WO2016206129A1

WO2016206129A1 - Control system and control method for precise detection device

Info

Publication number: WO2016206129A1
Application number: PCT/CN2015/083052
Authority: WO
Inventors: 吴春谅; 唐家平; 林卫波; 胡刚
Original assignee: 深圳市京田精密科技有限公司
Priority date: 2015-06-25
Filing date: 2015-07-01
Publication date: 2016-12-29
Also published as: CN104930944A; CN104930944B

Abstract

A control system and control method for a precise detection device. The system comprises a feeding mechanism (1), a first magnetic valve (2), a second magnetic valve (3), a third magnetic valve (4), a fourth magnetic valve (5) and a controller (11). The controller (11) is electrically connected to the feeding mechanism (1), the first magnetic valve (2), the second magnetic valve (3), the third magnetic valve (4) and the fourth magnetic valve (5) respectively. The system applies a precision sensor switch of a computer numeric control (CNC) lathe machine tool to precision product size detection, realizes full-automatic detection, and reduces a cost of optical detection.

Description

Title: Inventive Name: A Precision Detection Equipment Control System and Control Method

[0001] The present invention relates to the field of product detection technologies, and in particular, to a precision detection device control system and a control method.

Background technique

[0002] Most of the current mainstream automatic product testing in the market uses optical automatic full inspection. The optical detection system uses the image capturing device to capture an image of the object to be tested, and compares the captured image with a reference image to determine whether the object to be tested is defective. Most of the existing automatic optical inspection systems place the object to be tested at the focus of the image capture device to capture a clearer image, which limits the application of the automated optical inspection system.

[0003] For optical automatic full inspection, its control technology and circuit requirements and cost are high, and the technical capability of the operator is relatively high.

technical problem

[0004] In view of this, the object of the present invention is to provide a precision detection device control system and a control method thereof, aiming at solving the optical automatic full inspection control technology and circuit requirements and high cost in the prior art, and the technical capability of the operator. Requires relatively high technical issues.

Problem solution

Technical solution

[0005] The technical solution of the present invention is implemented as follows:

[0006] A precision detection device control system is provided, including:

a feeding mechanism for providing a workpiece;

[0008] a first solenoid valve for pushing the workpiece into a first monitoring point in the workpiece running cavity;

[0009] driving the linear cylinder valve to drive the fine adjustment micrometer to move downward to detect the workpiece size, and moving the workpiece from the first monitoring point in the workpiece running cavity to the second monitoring point thereof Second solenoid valve;

[0010] a method for driving the detected push device to push the workpiece from the second monitoring point into the quality product box Three solenoid valves;

[0011] a fourth solenoid valve for driving the defective product take-up device to push the workpiece from the second monitoring point into the defective product box;

[0012] a controller for controlling operation of the feeding mechanism, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, and the fourth electromagnetic valve, respectively electrically connected to the a feeding mechanism, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, and the fourth electromagnetic valve.

[0013] In the control system of the present invention, the method further includes:

[0014] a first relay for controlling the first electromagnetic valve to be closed, the first relay includes a first switch and a first coil, and the first switch is electrically connected to the first electromagnetic valve The first coil is electrically connected to the controller;

[0015] a second relay for controlling the second electromagnetic valve to be closed, the second relay includes a second switch and a second coil, and the second switch is electrically connected to the second solenoid valve The second coil is electrically connected to the controller;

[0016] a third relay for controlling the third electromagnetic valve to be closed, the third relay includes a third switch and a third coil, and the third switch is electrically connected to the third solenoid valve The third coil is electrically connected to the controller;

[0017] a fourth relay for controlling the fourth electromagnetic valve to be closed, the fourth relay includes a fourth switch and a fourth coil, and the fourth switch is electrically connected to the fourth electromagnetic valve The fourth coil is electrically connected to the controller between the controller and the controller.

[0018] In the control system of the present invention, the method further includes:

[0019] a first precision switch for receiving a first touch signal in contact with the fine-tuning micrometer, electrically connected to the controller;

[0020] A second precision switch for receiving a second touch signal in contact with the fine-tuning micrometer is electrically coupled to the controller.

[0021] In the control system of the present invention, the method further includes:

[0022] a startup switch for starting the controller, the startup switch is electrically connected to the controller; [0023] a stop switch for controlling the controller to stop working, the stop switch Electrically connected to the controller. [0024] In the control system of the present invention, the method further includes:

[0025] A master switch for activating the control system is coupled to an external AC power source and electrically coupled to the controller.

[0026] On the other hand, a method for controlling a precision detecting device is provided, which comprises: [0027] Sl, a feeding mechanism provides a workpiece;

[0028] S2, the first electromagnetic valve pushes the workpiece into the first monitoring point in the working cavity of the workpiece;

[0029] S3, the second solenoid valve drives the linear cylinder valve to drive the fine adjustment micrometer to move downward to detect the workpiece size, and move the workpiece from the first monitoring point in the workpiece running cavity to the second thereof Monitoring point

[0030] S4, if the workpiece size is qualified, step S41 is performed, and if not, step S42 is performed;

[0031] S41. The third electromagnetic valve drives the detected pushing device to push the workpiece from the second monitoring point into the quality product box;

[0032] S42. The fourth solenoid valve drives the defective product take-up device to push the workpiece from the second monitoring point into the defective product box.

[0033] In the control method of the present invention, the step S3 further includes:

[0034] the first precision switch receives a first touch signal that is in contact with the fine-tuning micrometer;

[0035] The second precision switch receives a second sensing signal in contact with the fine tuning micrometer.

[0036] In the control method of the present invention, the step S4 further includes:

[0037] when the first sensing signal is received and the second sensing signal 未 is not received, the workpiece size is qualified, and step S41 is performed;

[0038] When receiving the first sensing signal and receiving the second sensing signal 吋, the workpiece size detection is unsatisfactory, step S42 is performed;

[0039] When the first sensing signal is not received and the second sensing signal 未 is not received, the workpiece size detection is unsatisfactory, and step S42 is performed.

[0040] In the control method of the present invention, the method further includes:

[0041] starting the controller;

[0042] controlling the controller to stop working.

[0043] In the control method of the present invention, the method further includes: [0044] starting the control system.

Advantageous effects of the invention

Beneficial effect

[0045] Therefore, the beneficial effects of the present invention are that the precise computer numerical control machine tool setting tool should be applied to the precise product size detection and realize the automatic detection, which reduces the optical inspection cost.

Brief description of the drawing

DRAWINGS

[0046] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

1 is a schematic structural diagram of a control system for a precision detecting device according to the present invention;

2 is a flow chart of a method for controlling a precision detecting device according to the present invention.

Embodiments of the invention

[0049] In order to more clearly understand the technical features, objects and effects of the present invention, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the following description is only illustrative of the embodiments of the present invention and should not be construed as limiting the scope of the invention.

[0050] The present invention provides a precision detecting device control system 100 and a control method thereof. The basis of the present invention is based on the PL C (ie, the programmable logic controller 11) and the precision tool setting tool, and the supporting mechanism is added. Automatic feeding mechanism 1 for automatic detection of products. The precision CNC (computer numerical control machine tool referred to as CNC, is an automatic machine tool equipped with the program control system 100. The control system 100 can logically process and decode the program with control code or other symbolic instructions. In order to make the machine move and process the parts) Induction is applied to precise product size inspection, so that based on low-cost components, the overall inspection adjustment is transformed into a fully automatic unmanned inspection to achieve a single size OPPM ( Namely: Process management of target performance).

[0051] Referring to FIG. 1, FIG. 1 is a schematic structural diagram of a precision detecting device control system 100 according to the present invention. The precision detecting device control system 100 includes:

[0052] a feeding mechanism 1 for providing a workpiece;

[0053] a first solenoid valve 2 for pushing the workpiece into a first monitoring point in the workpiece running cavity; The magnetic valve 2 is also an undetected push solenoid valve. The undetected push solenoid valve is operated. After the workpiece is pushed into the workpiece at the first monitoring point in the mold cavity, the KM1 is often broken and the push is not detected. The solenoid valve is de-energized and the push device is not detected to be returned.

[0054] driving the linear cylinder valve to drive the fine adjustment micrometer to move downward to detect the workpiece size, and moving the workpiece from the first monitoring point in the workpiece running cavity to the second monitoring point thereof The second solenoid valve 3; the second solenoid valve 3 is also a linear cylinder solenoid valve, and the linear cylinder solenoid valve drives the fine-tuning micrometer to move downward.

[0055] a third solenoid valve 4 for driving the detected push device to push the workpiece from the second monitoring point into the quality product box; the third electromagnetic valve 4 is also the detected push device solenoid valve , which pushes the workpiece into the quality box.

[0056] A fourth solenoid valve 5 for driving the defective product take-up device to push the workpiece from the second monitoring point into the defective product box. The fourth solenoid valve 5 is also a solenoid valve for the defective product reclaiming device, so that the defective product reclaiming device can be moved to the second monitoring point of the mold cavity of the workpiece.

[0057] a controller 11 for controlling the operation of the feeding mechanism 1, the first electromagnetic valve 2, the second electromagnetic valve 3, the third electromagnetic valve 4, and the fourth electromagnetic valve 5 (generally The PLC controller 11) is electrically connected to the feeding mechanism 1, the first electromagnetic valve 2, the second electromagnetic valve 3, the third electromagnetic valve 4, and the fourth electromagnetic valve 5, respectively. .

[0058] a first relay KM1 for controlling the first solenoid valve 2, the first relay KM1 includes a first switch 21 and a first coil 22, and the first switch 21 is electrically connected to Between the first solenoid valve 2 and the controller 11, the first coil 22 is electrically connected to the controller 11; the controller 11 outputs a signal to the KM1 coil, and the KM1 is normally closed, thereby making the first The solenoid valve 2 starts to work; the KM1 is normally broken, the undetected push solenoid valve is de-energized, and the push device is not detected to be returned.

[0059] a second relay KM2 for controlling the second solenoid valve 3, the second relay KM2 includes a second switch 31 and a second coil 32, and the second switch 31 is electrically connected to Between the second solenoid valve 3 and the controller 11, the second coil 32 is electrically connected to the controller 11; the controller 11 outputs a signal to the KM2 coil, the KM2 is normally closed, and the linear cylinder solenoid valve Work; KM2 often breaks the linear cylinder solenoid valve to return to the original position.

[0060] a third relay KM3 for controlling the third electromagnetic valve 4 to be closed, the third relay KM3 including a third switch 41 and a third coil 42 , the third switch 41 is electrically connected between the third solenoid valve 4 and the controller 11 , and the third coil 42 is electrically connected to the The controller 11 outputs a signal to the KM3 coil, and the KM3 is normally closed. The solenoid valve of the pushing device is detected and the workpiece is pushed into the qualified product box, the KM3 is often broken, the KM3 coil is powered off, and the pushed material is detected. The solenoid valve of the device is broken, and the push device has been detected to be returned to the original position.

[0061] a fourth relay KM4 for controlling the fourth electromagnetic valve 5, the fourth relay KM4 includes a fourth switch 51 and a fourth coil 52, and the fourth switch 51 is electrically connected to The fourth coil 52 is electrically connected to the controller 11 between the fourth solenoid valve 5 and the controller 11 . The controller 11 outputs the first signal to the KM4 coil, the KM4 is normally closed, and the defective material reclaiming device solenoid valve is activated. KM4 is normally closed, the solenoid valve of the defective product reclaiming device is started, and the defective material reclaiming device is moved to the mold cavity C of the workpiece.

[0062] a first precision switch 8 for receiving a first touch signal in contact with the fine-tuning micrometer, electrically connected to the controller 11; when the fine-tuning micrometer is in contact with the precision sensing, the first precision When 8 is turned off, the first touch signal is generated.

[0063] A second precision switch 9 for receiving a second touch signal in contact with the fine-tuning micrometer is electrically connected to the controller 11. When the fine-tuning micrometer is in contact with the precision sensing, the second precision is turned off, and the second sensing signal is generated.

[0064] for starting the startup switch 6 of the controller 11, the startup switch 6 is electrically connected to the controller 11; the start switch 6 is started, the PLC controller 11 is started, and the PLC controller 11 is Once started, you can control the rest of the system to work.

[0065] A stop switch 7 for controlling the stop of the operation of the controller 11, the stop switch 7 is electrically connected to the controller 11.

[0066] A total switch 10 for activating the control system 100 is connected to an external AC power source and electrically connected to the controller 11.

Referring to FIG. 2, FIG. 2 is a flowchart of a method for controlling a precision detecting device according to the present invention. The method uses the above control system 100, and includes:

[0068] S0, the total switch 10 activates the control system 100. Press the main switch 10吋, the feeder motor M starts, and the automatic feed starts.

[0069] Sl, the feeding mechanism 1 provides a workpiece; [0070] S2, the first electromagnetic valve 2 pushes the workpiece into a first monitoring point in the workpiece running cavity;

[0071] S3, the second solenoid valve 3 drives the linear cylinder valve to drive the fine adjustment micrometer to move downward to detect the workpiece size, and moves the workpiece from the first monitoring point in the workpiece running cavity to the first At the second monitoring point; the first precision switch 8 receives the first touch signal in contact with the fine-tuning micrometer; the second precision switch

9 receiving a second sensory signal in contact with the fine tuning micrometer.

[0072] S4, if the workpiece size is qualified, step S41 is performed, and if no, step S42 is performed;

[0073] S41, the third electromagnetic valve 4 drives the detected pushing device to push the workpiece from the second monitoring point into the quality product box;

[0074] S42. The fourth electromagnetic valve 5 drives the defective product reclaiming device to push the workpiece from the second monitoring point into the defective product box.

[0075] wherein, when the first sensing signal is received and the second sensing signal 未 is not received, the workpiece size detection is qualified, and step S41 is performed;

[0076] When receiving the first sensing signal and receiving the second sensing signal 吋, the workpiece size detection is unsatisfactory, step S42 is performed;

[0077] When the first sensing signal is not received and the second sensing signal 未 is not received, the workpiece size detection is unsatisfactory, and step S42 is performed.

[0078] Specifically, the principle that the workpiece is judged to be a good product is as follows:

[0079] When the fine adjustment micrometer is in contact with the first induction switch, the first precision switch 8 is broken, the fine adjustment micrometer is not in contact with the second precision switch 9 (ie, the second precision switch 9 is continuously smashed), and the workpiece is a qualified product. KM2 normally breaks the linear cylinder solenoid valve to return to the original position. The PLC controller 11 outputs the signal to the KM3 coil. The KM3 is normally closed. The solenoid valve of the push device has been tested and the workpiece is pushed into the qualified product box. KM3 often KM3 coil is de-energized, the solenoid valve of the pusher device has been detected to be broken, and the push device has been detected to be returned to the original position; when the workpiece is a defective product, two conditions will occur: If the workpiece is smaller than the set tolerance, Then the fine-tuning micrometer is in contact with the first precision switch 8 (the first precision switch 8 is normally closed), the fine-tuning micrometer is also in contact with the second precision induction switch (the second precision switch 9 normally closed), PLC control The output of the device 11 is first given to the KM4 coil, the KM4 is normally closed, the solenoid valve of the defective product reclaiming device is started, the defective product reclaiming device is moved to the second monitoring point of the workpiece position cavity, and the PLC controller 11 gives the signal KM3 coil. KM3 is often closed, Pusher means detecting electromagnetic valve and push the workpiece at a second detection point, the defective product removal device will be back in place inch If the workpiece is larger than the set tolerance, the fine-tuning micrometer and the first precision gate 8 and the fine-tuning micrometer are not in contact with the second precision induction switch, and the PLC controller 11 outputs the signal first. KM4 coil, KM4 is normally closed, the solenoid valve of the defective product reclaiming device is started, the defective product reclaiming device is at the second monitoring point of the workpiece position cavity, and the PLC controller 11 gives the signal KM3 coil, KM3 is normally closed, and has been detected. The pushing device solenoid valve works and pushes the workpiece into the second monitoring point, and returns the defective product to the defective product box by returning the defective product picking device.

[0080] In addition, the method further includes the following:

[0081] The startup switch 6 activates the controller 11.

[0082] Stopping the switch 7 Controlling the controller 11 stops working.

[0083] The precision detecting device control method provided by the present invention can be reciprocally operated. To stop the operation, first press the stop 7, 7, and then press the start 6 6 .

The present invention has been described in the above preferred embodiments, but it is not intended to limit the invention, and any person skilled in the art can make possible changes and modifications without departing from the spirit and scope of the invention. Therefore, the scope of protection of the present invention should be determined by the scope defined by the claims of the present invention.

Claims

Claim

[Claim 1] A sophisticated detection device control system, comprising:

a feeding mechanism for providing a workpiece;

a first solenoid valve for pushing the workpiece into a first monitoring point in the workpiece running cavity; for driving the linear cylinder valve to drive the fine adjustment micrometer to move downward to detect the workpiece size, and to Moving at a first monitoring point in the workpiece running cavity to a second solenoid valve at a second monitoring point thereof;

a third solenoid valve for driving the detected push device to push the workpiece from the second monitoring point into the quality box;

a fourth solenoid valve for driving the defective product take-up device to push the workpiece from the second monitoring point into the defective case;

a controller for controlling operation of the feeding mechanism, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, and the fourth electromagnetic valve, respectively electrically connected to the feeding mechanism The first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, and the fourth electromagnetic valve.

[Claim 2] The control system according to claim 1, further comprising:

a first relay for controlling the first solenoid valve, the first relay includes a first switch and a first coil, the first switch electrically connected to the first solenoid valve and the Between the controllers, the first coil is electrically connected to the controller;

a second relay for controlling the second solenoid valve, the second relay includes a second switch and a second coil, the second switch electrically connected to the second solenoid valve and the Between the controllers, the second coil is electrically connected to the controller;

a third relay for controlling the third solenoid valve, the third relay includes a third switch and a third coil, the third switch electrically connected to the third solenoid valve and the Between the controllers, the third coil is electrically connected to the controller;

a fourth relay for controlling the fourth electromagnetic valve to be closed, the fourth relay includes a fourth switch and a fourth coil, the fourth switch electrically connected to the fourth solenoid valve and the The fourth coil is electrically connected to the controller between the controllers.

[Claim 3] The control system according to claim 1, further comprising: a first precision switch for receiving a first touch signal in contact with the fine-tuning micrometer, electrically connected to the Controller

A second precision switch for receiving a second sensing signal in contact with the fine tuning micrometer is electrically coupled to the controller.

[Claim 4] The control system according to claim 3, further comprising:

a startup switch for starting the controller, the startup switch electrically connected to the controller;

A stop switch for controlling the stop of the controller, the stop switch being electrically connected to the controller.

[Claim 5] The control system according to claim 1, further comprising:

A master switch for activating the control system is coupled to an external AC power source and electrically coupled to the controller.

[Claim 6] A method for controlling a precision detecting device, comprising the control system according to claim 1, comprising:

51. The feeding mechanism provides the workpiece;

52. The first electromagnetic valve pushes the workpiece into a first monitoring point in the working cavity of the workpiece;

53. The second solenoid valve drives the linear cylinder valve to move the fine adjustment micrometer downward to detect the workpiece size, and moves the workpiece from the first monitoring point in the workpiece running cavity to the second monitoring point thereof. ;

54. If the workpiece size is qualified, go to step S41, if no, go to step S42.

541. The third solenoid valve drives the detected pushing device to push the workpiece from the second monitoring point into the quality product box;

542. The fourth solenoid valve drives the defective product take-up device to push the workpiece from the second monitoring point into the defective product box.

[Claim 7] The control method according to claim 6, wherein the step S3 further comprises: receiving, by the first precision switch, a first sensing signal that is in contact with the fine-tuning micrometer; The second precision switch receives a second sensory signal in contact with the fine tuning micrometer.

[Claim 8] The control method according to claim 7, wherein the step S4 further comprises: when the first sensing signal is received and the second sensing signal is not received, the workpiece If the size is qualified, go to step S41;

After receiving the first sensing signal and receiving the second sensing signal 吋, the workpiece size detection is unsatisfactory, step S42 is performed;

When the first sensing signal is not received and the second sensing signal 未 is not received, the workpiece size detection is unsatisfactory, and step S42 is performed.

[Claim 9] The control method according to claim 6, further comprising:

Starting the controller;

Controlling the controller to stop working.

[Claim 10] The control method according to claim 6, further comprising:

The control system is activated.