CN208420730U - Engine copper cap defect detecting device - Google Patents

Abstract

The utility model discloses an engine copper cap defect detection device, comprising a transmission mechanism, an image acquisition module and an electric control unit; the transmission mechanism is fixed on a base; a button, an indicator light and a bracket are arranged on the base; an image acquisition module is fixed on the bracket One side of the base is provided with an electronic control unit including PLC, a computer and a light source controller; the computer is connected to the input end of the light source controller and three image acquisition modules, and the output end of the light source controller is connected to the light source; The input terminal is connected to one end of the button and the photoelectric sensor, and the other end of the button and the photoelectric sensor is connected to 0V of the 24V DC power supply; the output terminal of the PLC is connected to one end of the indicator light and the contactor, and the other end of the contactor is connected to the driving motor, and the other end of the indicator light and the driving motor Connect the 24V power supply, the COM1 end of the PLC is connected to the 0V of the 24V DC power supply, and the COM0 end is connected to the computer. Effectively ensure that the captured images are clear and the detection results are accurate.

Description

Engine copper cap defect detecting device

Technical field

The utility model belongs to defect detecting technique field, designs a kind of engine copper cap defect detecting device.

Background technique

Automobile engine high pressure oil circuit sealing element is as the typical products in auto parts and components, its detection system optimization pair In the influence of entire auto Parts Industry be that cannot be neglected.Engine oil recycles in engine high pressure oil circuit system, pressure Power can reach 350 atmospheric pressure, and engine is closer from turbocharger, and sealing element used in automobile oil-way is not only to material There are strict requirements with size, and strictly to control surface defect.Seal surface defect mainly include rupture, scratch, Impression etc., this is one of the principal element for influencing sealing system reliability.These defects often cause lubricating oil leakage and sealing The cause of accident, leading to automobile, there is a phenomenon where kindlings even to explode, necessary in current new automobile engine oil path system Accomplish zero tolerance.

Automobile engine high pressure oil piping system mesohigh oil rail and oil pump and nozzle are required to connector --- copper cap, because of it Front, reverse side, the curved planar reformation of side are different, so the copper cap test point on pallet is more and complicated.Sealing ring surface defect Traditional detection method is usually ocular estimate, since human eye is to the deviation of close product identification, be likely to result in copper cap surface have it is scarce The order requirements for falling into and being not achieved vehicle needed for client cause production waste, influence the degree of belief of customer；And due to people's The factors such as fatigue, carelessness, will cause product detection leakage phenomenon, influence product export qualification rate, product assembly quality, not can guarantee production The accuracy and normalization of product.Illustrate existing production system Shortcomings for occurring similar defect repeatedly, needs from the root Prevent defect, reduces bad product rate for enterprise.It is badly in need of existing manual inspection being changed to vision detection system to realize, reliably Testing result is provided, solves a series of defect problems such as copper cap surface scratch, impression, the scar that collides with, this will greatly improve automobile The detection accuracy of engine high pressure oil circuit sealing element guarantees vehicle safety, has great realistic meaning.

Utility model content

In order to achieve the above object, the utility model provides a kind of engine copper cap defect detecting device, detects and solves A series of defect problems such as copper cap surface scratch, impression, the scar that collides with, overcome in the prior art human eye detection there are deviation, The problem of missing inspection.

In order to solve the above technical problems, the utility model is the technical scheme adopted is that engine copper cap defects detection fills It sets, including transport mechanism, transport mechanism is made of conveyer belt, driving motor and roller, and driving motor output shaft is connect with roller, Two rollers are located on the inside of conveyer belt both ends and contact with conveyer belt, and drum length is equal with belt line width, conveyer belt It is fixed on pedestal；Pedestal is equipped with start button, stop button, scram button and bracket；Two vertical bars of bracket distinguish position It in conveyor belt two sides, and is perpendicularly fixed on pedestal, the cross bar of bracket is perpendicular to its vertical bar, and its cross bar center is fixed with The second Image Acquisition mould group vertically downward, a vertical bar of bracket are equipped with the first Image Acquisition mould group, set on another vertical bar There is third Image Acquisition mould group, the first Image Acquisition mould group and third Image Acquisition Mo Zu are made of area array CCD and camera lens respectively, Second Image Acquisition mould group is equipped with light source on the camera lens outside its area array CCD；Portion of the pedestal close to bracket supplied materials direction side Position is equipped with one first photoelectric sensor, and pedestal and bracket intersection are equipped with one second photoelectric sensor；Pedestal side is equipped with electricity Control unit and computer；Electronic control unit is made of PLC, contactor and 24V DC power supply；The input terminal of PLC is sequentially connected respectively Start button, stop button, scram button, the first photoelectric sensor and second photoelectric sensor one end, start button, stopping are pressed Button, scram button, the first photoelectric sensor and the second photoelectric sensor other end connect the 0V of 24V DC power supply；PLC any two A output terminal is separately connected a contactor one end, and two contactor other ends are separately connected a driving motor, driving motor The 24V of other end connection 24V DC power supply；The 0V of the end the COM1 connection 24V DC power supply of PLC；The end COM0 of PLC, which connects, to be calculated Machine；Computer side is equipped with lamp source controller；Computer is adopted by input terminal, the first image that data line connects lamp source controller Collect mould group, the second Image Acquisition mould group and third Image Acquisition mould group, the output end of lamp source controller connects light source.

It is additionally provided with red indicating light, yellow indicator lamp and green indicator light on the bracket, appoints in PLC residue output terminal Three output terminals of anticipating connect one to one red indicating light, yellow indicator lamp and green indicator light one end, red indicating light, Huang The 0V of color indicator light and green indicator light other end connection 24V DC power supply.

The light source is annular LED shadowless lamp.

The end COM0 of the PLC connects the port RS232 of computer by RS232 Programme Line.

The base bottom is equipped with 4 support legs.

The utility model has the beneficial effects that engine copper cap defect detecting device, acquires mould by setting multiple images Group effectively solves copper cap curved surface because angle is towards difference, receives light irradiation and itself spoke at the position of various dimensions detection copper cap The effect for penetrating light it is different and caused by the bad problem of detection effect.The utility model is lighter compared with conventional detection devices, peace Dress is simple convenient, and mobility is strong, and the image clearly of shooting is effectively ensured as it can be seen that testing result is more acurrate in Image Acquisition mould group.Together When, avoid false retrieval, missing inspection.Host computer+slave computer mode is used in technical solution, Image Acquisition transmission utilizes wire transmission Save transmission rate.Solve the problems, such as that there are deviation, missing inspection, low efficiencys and ropy for human eye detection in the prior art, effectively Improve production production capacity and efficiency.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is engine copper cap defect detecting device main view；

Fig. 2 is engine copper cap defect detecting device right view；

Fig. 3 is electronic control unit hardware connection figure.

In figure, 1. conveyer belts, 2. driving motors, 3. rollers, 4. pedestals, 5. brackets, 6. first Image Acquisition mould groups, 7. Two Image Acquisition mould groups, 8. third Image Acquisition mould groups, 9. light sources, 10. electronic control unit, 10-1.PLC, 10-2. contactor, 10- 3.24V DC power supply, 11. computers, 12. lamp source controllers, 13. support legs, 14. start buttons, 15. stop buttons, 16. is anxious Stop button, 17. red indicating lights, 18. yellow indicator lamps, 19. green indicator lights, 20. first photoelectric sensors, 21. second light Electric transducer.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Engine copper cap defect detecting device, as shown in Figures 1 and 2, including transport mechanism, transport mechanism by conveyer belt 1, Driving motor 2 and roller 3 form, and driving motor 2 is located inside roller 3, and roller 3 is driven to rotate, and two rollers 3 are located at biography It send on the inside of 1 both ends of band, and is contacted with conveyer belt 1, and 3 length of roller is equal with belt line width, conveyer belt 1 is fixed on pedestal 4 On；Pedestal 4 is equipped with start button 14, stop button 15, scram button 16 and bracket 5；Bracket 5 is by two vertical bars and a cross Bar composition, two vertical bars of bracket 5 are located at 1 two sides of conveyer belt, and are perpendicularly fixed on pedestal 4, and the cross bar of bracket 5 hangs down Directly in its vertical bar；Red indicating light 17, yellow indicator lamp 18 and green indicator light 19 are equipped with above the cross bar of bracket 5, bracket 5 Cross bar center is fixed with the second Image Acquisition mould group 7 vertically downward, and a vertical bar of bracket 5 is equipped with the first Image Acquisition mould Group 6, another vertical bar are equipped with third Image Acquisition mould group 8, and the first Image Acquisition mould group 6 and third Image Acquisition mould group 8 are distinguished It is made of area array CCD and the camera lens being mounted on area array CCD, the second Image Acquisition mould group 7 is pacified on the camera lens outside its area array CCD Equipped with light source 9 vertically downward, light source 9 is annular LED shadowless lamp；Pedestal 4 is equipped with one the close to the position of 5 supplied materials side of bracket One photoelectric sensor 20, another vertical bar and 4 intersection of pedestal are equipped with one second photoelectric sensor 21；4 bottom of pedestal is equipped with 4 Support leg 13；4 side of pedestal is equipped with electronic control unit 10 and computer 11, and 11 side of computer is equipped with lamp source controller 12；It calculates Machine 11 by data line connect the input terminal of lamp source controller 12, the first Image Acquisition mould group 6, the second Image Acquisition mould group 7 and Third Image Acquisition mould group 8, the output end of lamp source controller 12 connect light source 9, and control light source 9 is lighted.

As shown in figure 3, electronic control unit 10 is by programmable logic controller (PLC), that is, PLC10-1, contactor 10-2 and 24V direct current Source 10-3 composition, PLC10-1 input terminal L0~L4 connect one to one respectively start button 14, stop button 15, emergency stop by 21 one end of button 16, the first photoelectric sensor 20 and the second photoelectric sensor, start button 14, stop button 15, scram button 16, First photoelectric sensor 20 and the external 0V power supply of 21 other end of the second photoelectric sensor；PLC10-1 output terminal Y0~Y2 difference Connect one to one red indicating light 17, yellow indicator lamp 18,19 one end of green indicator light, and Y3 and Y4 have passed through protection respectively and made 2 one end of contactor 10-2 connection driving motor, red indicating light 17, yellow indicator lamp 18, green indicator light 19 and driving The 24V of the 24V DC power supply 10-3 of the other end connection PLC10-1 of motor 2, control instructions lamp light and driving motor 2 Start and stop；The 0V of the end the COM1 connection 24V DC power supply 10-3 of PLC10-1；It is compiled by RS232 at the end COM0 of PLC10-1 The port RS232 of journey cable connection computer 11.

By start button 14, PLC10-1 starts driving motor 2, and driving motor 2 drives conveyer belt 1 to move through roller 3, quilt When the survey communicated band 1 of copper cap is sent at the first photoelectric sensor 20, the light beam of the photophore sending of the first photoelectric sensor 20 It is blocked, the receiver of the first photoelectric sensor 20 does not receive the light beam of photophore, then its receiver sends a signal to PLC10- 1, PLC10-1 control driving motor 2 slows down, when the communicated band 1 of copper cap is sent at the second photoelectric sensor 21, the second photoelectric transfer Sensor 21 sends information to PLC10-1, and PLC10-1, which controls driving motor 2, to be stopped, and copper cap is sent to the second Image Acquisition mould group 7 The check bit of lower section；PLC10-1 sends copper cap to bit instruction to computer 11, and computer 11 passes through control lamp source controller 12, Point bright light source 9, while the first Image Acquisition mould group 6, the second Image Acquisition mould group 7 and third Image Acquisition mould group 8 are carried out just Beginningization (initializes) in starter, and light source 9 is lighted and after the completion of three Image Acquisition mould group initialization, starts three images Acquire the shooting of mould group；The utility model the first Image Acquisition mould group 6 shoots copper cap side image, the second Image Acquisition mould group 7 is clapped Take the photograph copper cap direct picture；Copper cap verso images are shot using third Image Acquisition mould group 8；Three Image Acquisition mould group shootings are completed Image is transmitted afterwards to computer 11；The processing judgement of computer 11, such as copper cap zero defect, then 11 feedback information of computer to PLC10- 1, and then PLC10-1 lights green indicator light 19, and controls the starting of driving motor 2, copper cap flows downward；It is lacked as copper cap exists It falling into, then 11 feedback information of computer to PLC10-1, and then PLC10-1 lights red indicating light 17, driving motor 2 does not start, etc. It is to be processed；Such as passing through without copper cap, then the receiver of the first photoelectric sensor 20 and the second photoelectric sensor 21 receives light beam, Feedback information lights yellow indicator lamp 18 to PLC10-1, PLC10-1, indicates in wait expect；Contactor 10-2 is used to protect driving electricity Machine 2 prevents driving motor 2 to be burned；If abnormal phenomenon occurs in device operation midway, arresting stop immediately is needed, by scram button 16；When needing to close device, stop button 15 is pressed, device can be made to stop working.

Since copper cap reverse side is the curved surface with certain radian, the direction of each angle is different, receive light irradiation and from The effect of body radius is different, and therefore, three Image Acquisition mould groups, and these three Image Acquisition mould groups are arranged in the utility model Division of labor shooting copper cap different location, effectively overcomes and detects technical problem present in the copper cap surface defect, greatly improve inspection Survey precision, while the working efficiency of lifting device.

The above is only the preferred embodiment of the utility model only, is not intended to limit the protection model of the utility model It encloses.Any modification, equivalent substitution, improvement and etc. made within the spirit and principle of the present invention, are all contained in this reality With in novel protection scope.

Claims (5)

1. An engine copper cap defect detection device, characterized in that it includes a transmission mechanism, the transmission mechanism is composed of a conveyor belt (1), a driving motor (2) and a roller (3), and the output shaft of the driving motor (2) is connected to the roller (3) , the two rollers (3) are respectively located on the inner side of the two ends of the conveyor belt (1) and are in contact with the conveyor belt (1), the length of the rollers (3) is equal to the width of the belt line, and the conveyor belt (1) is fixed on the base (4); ) is provided with a start button (14), a stop button (15), an emergency stop button (16) and a bracket (5); the two vertical bars of the bracket (5) are located on both sides of the conveyor belt (1) and are vertically fixed on the On the base (4), the horizontal bar of the bracket (5) is perpendicular to the vertical bar, and the center position of the horizontal bar is fixed with a vertically downward second image acquisition module (7). A first image acquisition module (6) is provided, and another vertical rod is provided with a third image acquisition module (8), the first image acquisition module (6) and the third image acquisition module (8) are respectively composed of The area array CCD and the lens are composed, and the second image acquisition module (7) is provided with a light source (9) on the lens outside the area array CCD; There is a first photoelectric sensor (20), a second photoelectric sensor (21) is arranged at the intersection of the base (4) and the inner side of the bracket (5); an electric control unit (10) and a computer (11) are arranged on one side of the base (4) ;Electric control unit (10) consists of PLC (10-1), contactor (10-2) and 24V DC power supply (10-3); the input terminals of PLC (10-1) are respectively connected to the start button (14) in sequence , stop button (15), emergency stop button (16), one end of the first photoelectric sensor (20) and the second photoelectric sensor (21), start button (14), stop button (15), emergency stop button (16), The other ends of the first photoelectric sensor (20) and the second photoelectric sensor (21) are connected to 0V of the 24V DC power supply (10-3); any two output terminals of the PLC (10-1) are respectively connected to a contactor (10-2) One end, the other ends of the two contactors (10-2) are respectively connected to a drive motor (2), and the other ends of the two drive motors (2) are connected to the 24V of the 24V DC power supply (10-3); PLC (10-1) The COM1 end of the 24V DC power supply (10-3) is connected to 0V; the COM0 end of the PLC (10-1) is connected to the computer (11); the computer (11) is provided with a light source controller (12) on one side; the computer (11) The input end of the light source controller (12), the first image acquisition module (6), the second image acquisition module (7) and the third image acquisition module (8) are connected through a data cable, and the light source controller ( The output end of 12) is connected to the light source (9). 2. The engine copper cap defect detection device according to claim 1, wherein the bracket (5) is further provided with a red indicator light (17), a yellow indicator light (18) and a green indicator light (19) , any three output terminals of the remaining output terminals of PLC (10-1) are connected to one end of the red indicator light (17), the yellow indicator light (18) and the green indicator light (19), the red indicator light (17), the yellow indicator light (17), the The other ends of the indicator light (18) and the green indicator light (19) are connected to 0V of the 24V DC power supply (10-3). 3 . The engine copper cap defect detection device according to claim 1 , wherein the light source ( 9 ) is a ring-shaped LED shadowless lamp. 4 . 4. The engine copper cap defect detection device according to claim 1, wherein the COM0 end of the PLC (10-1) is connected to the RS232 port of the computer (11) through an RS232 programming cable. 5 . The engine copper cap defect detection device according to claim 1 , characterized in that, the bottom of the base ( 4 ) is provided with four supporting feet ( 13 ). 6 .