Summary of the invention
The object of the present invention is to provide a kind of online test methods based on jet stream, it has on-line checking high-efficient, inspectionSurvey convenient feature.
To achieve the goals above, the technical scheme adopted by the invention is that：
First aspect disclosed by the invention：A kind of online test method based on jet stream is provided, on-line checking stream is used forThe adhesive force of workpiece adhesive layer in waterline, the on-line checking assembly line include spraying equipment, detection device and transmission device, instituteDetection device is stated to be located in the movement routine of the transmission device；
Medium is protected in workpiece surface spraying by spraying equipment, and protection media cures are formed to workpiece surface with shapeAt adhesive layer；
Workpiece is successively transmitted by the transmission device and passes sequentially through the detection device；
The liquid of workpiece injection preset pressure of the detection device on the transmission device is controlled, and judges the workpieceWhether adhesive layer is damaged：
When the adhesive layer breakage of workpiece, the adhesive force of the adhesive layer of the workpiece is less than preset value；
When the adhesive layer of workpiece is complete, the adhesive force of the adhesive layer of the workpiece is greater than or equal to preset value.
Optionally, the liquid of workpiece injection preset pressure of the control detection device on the transmission device, and sentenceBreak the workpiece adhesive layer it is whether damaged, including：
Liquid injection is adjusted to the detection position of workpiece adhesive layer；
Adjust the default impact force of liquid injection to workpiece adhesive layer；
Control the preset duration of liquid injection to workpiece adhesive layer；
Acquire the pictorial information of workpiece；
Judge whether the adhesive layer of workpiece is damaged according to pictorial information.
Optionally, the adjusting liquid injection is to the detection position of workpiece adhesive layer, including：Liquid injection is adjusted to workpieceThe height and angle on surface.
Optionally, surface of the liquid jet direction perpendicular to the workpiece.
Optionally, the adjusting liquid injection is to the detection position of workpiece adhesive layer, including, detect a detection of workpiecePosition；Or workpiece two or more detection positions are detected simultaneously.
Optionally, the adjusting liquid injection is to the detection position of workpiece adhesive layer, including, the workpiece is locked in instituteState transmission device.
Optionally, the preset pressure for adjusting liquid injection to workpiece adhesive layer, including：
Adjust the output line footpath of liquid；
Adjust the output pressure of liquid.
Optionally, the output line footpath for adjusting liquid, including：The output line footpath of the liquid is 1mm~5mm.
Optionally, the preset pressure for adjusting liquid injection to workpiece adhesive layer, including：
Liquid effects are in the calculation formula of the impact force of the unit area of workpiece coating：
Wherein, ρ is the density of liquid, and c is the efflux coefficient of liquid, and g is acceleration of gravity, and h is the liquid out of fluidic deviceSpacing between position and workpiece, P are the preset pressure value of liquid.
Optionally, the liquid of workpiece injection preset pressure of the control detection device on the transmission device, including：
Detection device interval preset duration is controlled, then adhesive layer detection is carried out to the workpiece on transmission device；Or controlThe workpiece of detection device interval preset quantity is made, then adhesive layer detection is carried out to the workpiece on transmission device.
After adopting the above structure, the invention has the advantages that compared with the prior art,：
Detection device is set in the movement routine of transmission device, which is delivered to detection on transmission device and setsThe liquid of the workpiece injection preset pressure at standby place, realizes that the on-line checking of workpiece adhesive layer, detection efficiency are high.Detection device is to workThe liquid of preset pressure is sprayed at part, the liquid effects are in the active force of workpiece surface and the default adhesive force phase of workpiece adhesive layerWhen.By judging whether the adhesive layer of workpiece breakage occurs, to judge whether workpiece is qualified on assembly line, workpiece is realized onlineDetection, it is easy to detect.
Embodiment is seen figure 1 and figure 2：On-line checking assembly line based on jet stream, the on-line checking assembly line are used forThe adhesive force of line detection 40 surface covering of workpiece.On-line checking assembly line includes that spraying equipment 10, detection device 30 and transmission are setStandby 20, transmission device 20 transmits unprocessed workpiece 40 and enters spraying equipment 10, and spraying equipment 10 sprays attached on 40 surface of workpieceLayer.The workpiece 40 that transmission device 20 completes spraying operation process exports spraying equipment 10, wherein output spraying equipment 1040 surface of workpiece is coated with adhesive layer, which can be set as layer of paint or film plating layer.
Optionally, spraying equipment 10 includes coating apparatus and solidification equipment, and coating apparatus is to 40 surface sprayed protection of workpieceMedium, solidification equipment will protect media cures to form to workpiece 40 to form adhesive layer.Coating apparatus is sprayed to 40 surface of workpieceThe protection medium of liquid or powdery, protection medium are attached to 40 surface of workpiece.Transmission device 20 is coated with the work of protection mediumPart 40 is delivered to solidification equipment, and solidification equipment makes to protect medium by the dynamic and static similar fashions such as only of heated baking, heating air streamCuring molding is protected during curing molding to 40 surface of workpiece and forms adhesive force between medium and workpiece 40.
Transmission device 20 includes driving device and the roller-way 21 connecting with driving device, and workpiece 40 is located at the upload of roller-way 21It is defeated.Workpiece 40 with adhesive layer is successively transmitted to next manufacturing procedure or output to finished product process by transmission device 20.It is passingDetection device 30 is set in the movement routine of transfer device 20, and the workpiece 40 for coating adhesive layer was transmitted outward by transmission device 20Cheng Zhong, detection device 30 can detect the adhesive layer of workpiece 40.
When detection device 30 needs whether 40 surface adhesive layer of on-line checking workpiece and the adhesive force of workpiece 40 comply with standardWhen, detection device 30 to workpiece 40 spray preset pressure liquid, the hydraulic shock workpiece 40 attachment layer surface so that attachedLayer surface bear corresponding impact force.Correspondingly, there is a preset adhesion value between adhesive layer and the surface of workpiece 40.Detection device 30 detects the adhesive force of the adhesive layer on 40 surface of workpiece by mode of jet, and wherein the liquid of jet stream can be set as pure waterOr mixed solution or the liquid added with abrasive material etc..
Detection device 30 is set in the movement routine of transmission device 20, which conveys on transmission device 20Workpiece 40 to detection device 30 sprays the liquid of preset pressure, realizes the on-line checking of 40 adhesive layer of workpiece, detection efficiencyIt is high.Detection device 30 is to the liquid of injection preset pressure at workpiece 40, and the liquid effects are in the active force and work on 40 surface of workpieceThe default adhesive force of 40 adhesive layer of part is suitable.By judging whether the adhesive layer of workpiece 40 breakage occurs, to judge assembly lineWhether upper workpiece 40 is qualified, and workpiece 40 realizes on-line checking, easy to detect.
Detection device 30 includes rack 31, the first fluidic device 32 for being installed on rack 31, filming apparatus 33 and control mouldBlock, the first fluidic device 32 and filming apparatus 33 are communicated to connect with control module respectively.First fluidic device 32 is used for workpieceThe liquid of preset pressure is sprayed on 40 surfaces, adjusts jet location and flow angle of first fluidic device 32 in rack 31, withThe liquid injection for exporting the first fluidic device 32 is in the predeterminated position of 40 adhesive layer of workpiece, to detect 40 corresponding position of workpieceThe adhesive force of adhesive layer.In 32 course of injection of the first fluidic device, the first fluidic device 32 can be moved along rack 31 and/or machineFrame 31 drives the first fluidic device 32 mobile, so that the liquid effects that the first fluidic device 32 sprays are in the desired guiding trajectory of workpiece 40On, form a linearity or curved detection path.Optionally, in 32 course of injection of the first fluidic device, pass through transmissionEquipment 20 drives workpiece 40 mobile, so that the liquid effects that spray of the first fluidic device 32 are on the desired guiding trajectory of workpiece 40, shapeThe detection path of property in line.
In one embodiment, rack 31 includes vertical pillar 311 and is slidedly arranged on the crossbeam 312 of vertical pillar 311, and firstFluidic device 32 is slidedly arranged on crossbeam 312, wherein the workpiece 40 that transmission device 20 conveys passes through in the space that rack 31 is formed.Such asVertical pillar 311 and crossbeam 312 form gantry mechanism, and transmission device 20 passes through gantry of rack 31 and exports outward.
Control module controls crossbeam 312 and the first fluidic device 32 is mobile, as control module control crossbeam 312 props up along longitudinal directionColumn 311 slides, to adjust the height distance between the first fluidic device 32 and workpiece 40.The first fluidic device 32 is controlled along crossbeam312 is mobile, so that the first fluidic device 32 is in preset eject position.Crossbeam 312 can be set as linear type crossbeam 312 or camber lineShape crossbeam 312, wherein linear type crossbeam 312 controls the first fluidic device 32 and moves along a straight line, the liquid of the first fluidic device 32Injection direction is parallel.Arc line shaped crossbeam 312 controls the first fluidic device 32 and moves along arc direction, the liquid of the first fluidic device 32Body injection direction is towards center of circle direction.
Filming apparatus 33 is used to acquire the pictorial information of workpiece 40, and pictorial information is sent to control module, controls mouldBlock judges whether the adhesive layer of workpiece 40 is damaged.Optionally, filming apparatus 33 is CCD industrial camera.The filming apparatus 33 is pressedPreset filming frequency sends pictorial information to control module, for example, filming apparatus 33 transmits 30 frames to control module per minutePicture etc..
Control module carries out judging whether adhesive layer breakage occurs according to the image information that filming apparatus 33 is sent, and works as attachmentWhen layer occurs damaged, control module exports corresponding prompt information, to prompt the adhesive layer of operator's workpiece 40 not to be inconsistent standardization,And generate corresponding examining report.
To further increase control module to the 40 adhesive layer surface fracture of workpiece after the first fluidic device 32 injection liquidThe accuracy of judgement degree of situation.Optionally, detection device 30 further includes the hot air apparatus 34 being electrically connected with control module, controls mouldBlock controls hot air apparatus 34 and dries up the liquid on 40 surface of workpiece, then controls the pictorial information that filming apparatus 33 acquires workpiece 40.
Hot air apparatus 34 is installed in rack 31, which passes through the flowing for accelerating 40 superficial air of workpiece, withAccelerate 40 surface of workpiece to evaporate, the adhesive layer breakage on 40 surface of the workpiece device 33 that is taken enable accurately to capture,The erroneous judgement for avoiding liquid holdup from occurring in attachment layer surface.Hot air apparatus 34 can be set as the dress such as fan, air-heater, air jet pipeIt sets.
In one embodiment, hot air apparatus 34 includes heat generating component and air-supply assembly, and heat generating component generates heat to heatAir, air-supply assembly accelerates the hot-air at heat generating component and hot-air is delivered to 40 surface of workpiece, to dry up 40 table of workpieceThe liquid in face.Heat generating component can be assemblied in air-supply assembly, and the two can also be installed independently.Heat generating component heat air so thatHot air apparatus 34 exports hot-air, accelerates the liquid evaporation at 40 surface of workpiece, and evaporation efficiency is high.Air-supply assembly include motor andFlabellum component, motor driven flabellum component rotates so that air accelerates flowing.Heat generating component can be set as heater strip, the hair such as heating dishThermal element.Air-supply assembly accelerates the air flowing at heat generating component, so that workpiece 40 surface of the hot-air on transmission device 20Flowing.After the liquid evaporation or drying on 40 surface of workpiece, filming apparatus 33 can shoot corresponding pictorial information and be sent to control mouldBlock, so that control module obtains corresponding pictorial information and judges whether adhesive layer breakage occurs.
As shown in Figures 2 to 4, the first fluidic device 32 includes constant current mode and adjustable mode.
Under constant current mode, the first fluidic device 32 includes water pump component and 3212 component of nozzle connecting with water pump component321, control module and water pump component communicate to connect, the liquid for controlling water pump component to 3212 component 321 of nozzle output high pressureBody.Liquid of the water pump component to 3212 component 321 of nozzle conveying preset pressure, wherein water pump component includes water tank 323, connectionTo water tank 323 the pump housing 322, connect the pump housing 322 and 3212 component 321 of nozzle pipeline 325.3212 component of nozzle, 321 faceWorkpiece 40 by predetermined angle being sprayed liquid to 40 surface of workpiece.Liquid injection is returned to workpiece 40 and after filter device filtersIt is flow to water tank 323, the recovery efficiency of liquid is high, and utilization rate is high.
Adjustable mode is the further improvement on the basis of constant current mode, and the first fluidic device 32 further includes and water pump componentThe regulation component 324 of connection, control module and regulation component 324 communicate to connect, for controlling water pump component to 3212 groups of nozzleThe liquid of the output high pressure of part 321.Regulation component 324 includes booster pump, and the liquid of water pump component is pressurized to adjust by booster pumpSave the output pressure of 3212 component 321 of nozzle.The liquid sprayed such as 3212 component 321 of nozzle is pure water, sprays pressure limitFor：20MPa~200MPa.Such as 20MPa, 40MPa, 60MPa, 80MPa, 100MPa, 160MPa, 200MPa.Pressure regulation group is setPart 324 adjusts the output pressure of the first fluidic device 32, is suitable for the attachment force request of the adhesive layer of different workpieces 40, adjustsIt is convenient.Different output pressures can also be adjusted in the different detection positions of same workpiece 40, to detect the difference of same workpiece 40Adhesive layer, detection are flexible and convenient.
3212 component 321 of nozzle includes regulator board 3211 and at least nozzle 3212 for being installed on regulator board 3211, water pumpComponent connect with regulator board 3211 and conveys liquid to nozzle 3212, and nozzle 3212 sprays the liquid of default line footpath to workpiece 40.The quantity of nozzle 3212 can be set to one or more, can be by closing phase when the quantity of nozzle 3212 is two or moreThe nozzle 3212 answered adjusts spray regime and shape with the quantity of the nozzle 3212 of reduction injection liquid.
Regulator board 3211 is installed in rack 31, inside offer accommodating chamber 3213.Water pump component is installed to regulator boardIt 3211 and is connected with accommodating chamber 3213, liquid enters in nozzle 3212 through accommodating chamber 3213.Nozzle 3212 and regulator board 3211It is detachably connected, such as the two is connected through a screw thread.Or nozzle 3212 is opened in regulator board 3211 and connects with accommodating chamber 3213Logical, regulator board 3211 is run through in open end.Nozzle 3212 offers jet hole, and the jet hole to accommodating chamber 3213 is to exit endIt is gradually reduced.Optionally, nozzle 3212 is the multiple spray orifices being spaced apart set on regulator board 3211.
Liquid is entered in accommodating chamber 3213 under the action of regulation component 324 by preset pressure value, is sprayed subsequently into arrivingIt sprays in mouth 3212 and outward.Active area of the liquid effects in 40 surface of workpiece is controlled by the bore of nozzle 3212, such asThe wire diameter control of injection liquid is in 1mm~5mm etc..For example, the line footpath of liquid is cylinder, outer diameter is Ф 1mm, Ф 2mm, Ф3mm, Ф 5mm etc..Optionally, the line style of injection liquid can be set according to the Adjusting Shape of nozzle 3212, such as shape of nozzle 3212For circle, then the liquid form sprayed is cylindrical；The shape of nozzle 3212 is set as rectangle, then the liquid form sprayed is in tetragonousColumn.Wherein, the line footpath of liquid is jet action in the maximum width on 40 surface of workpiece.Optionally, first fluidic device 32Surface of the liquid jet direction perpendicular to workpiece 40.
It is acted at the adhesive layer of workpiece 40 using the liquid of preset pressure as detection medium, the output for detecting medium is stablizedProperty is good.Medium is adjusted to the impact force on 40 surface of workpiece, easy to adjust, detection data is accurate.Control module is clapped by obtainingThe pictorial information of device 33 is taken the photograph, to judge whether the adhesive force of 40 adhesive layer of workpiece meets the requirements, detection effect is good.
In one embodiment, on-line checking assembly line further includes the second fluidic device 36 for being installed on rack 31, and second penetratesStream device 36 and the first fluidic device 32 are located at the two sides of transmission device 20.Second fluidic device 36 and the first fluidic device32 structure is same or similar, both for workpiece 40 spray preset pressure liquid, the line footpath of liquid it is identical or according toDifferent detection positions adjusts corresponding line footpath.First fluidic device 32 is located at the top of transmission device 20, and optionally, transmission is setStandby 20 roller-way 21 passes through rack 31, workpiece 40 transmitted through roller-way 21 and stop at rack 31.Control module control first is penetratedThe liquid of device 32 and/or the second fluidic device 36 to 40 surface of workpiece injection preset pressure is flowed, so that the upper surface of workpiece 40It is detected or both with the adhesive layer of lower surface one of them and is detected simultaneously, detection efficiency height is easy to detect.
Position of the filming apparatus 33 in rack 31 is corresponding with the detection position of workpiece 40, when the first fluidic device 32And/or second fluidic device 36 complete jet stream operation after, filming apparatus 33 acquires the pictorial information of workpiece 40, and by pictorial informationIt is sent to control module.On-line checking assembly line completes the detection of unilateral or bilateral, detection spirit according to the testing requirements of workpiece 40Live convenient, it can be achieved that the adhesive force detection of adhesive layer does not can be completed in travelling workpiece 40, detection efficiency is high.
As shown in figure 5, when workpiece 40 flows through rack 31 and needs to carry out two-sided detection, roller-way 21 and 40 test section of workpieceThe central part of position is equipped with jet area.Optionally, roller-way 21 includes two master rollers of master roller 211 and connection positioned at both endsThe auxiliary roller-way 212 of the two of 211, two auxiliary roller-ways 212 are oppositely arranged.It is constituted in the enclosed area of two master rollers 211 and two auxiliary roller-ways 212Jet area, workpiece 40 are moved to jet area, and the liquid of the second fluidic device 36 injection passes through jet area and sprays in workAt the adhesive layer of part 40.
When the weight of workpiece 40 is smaller, the first fluidic device 32 and/or the second fluidic device 36 act on 40 table of workpieceFace, workpiece 40 are easy to shake and change the position of workpiece 40, influence the detection accuracy of 40 adhesive layer of workpiece.Optionally, online inspectionFlow measurement waterline further includes the clamp assemblies 35 for being slidedly arranged on rack 31, and workpiece 40 is fixed on the pre- of transmission device 20 by clamp assemblies 35If position.Clamp assemblies 35 are slidedly arranged in rack 31, and when workpiece 40 is moved at rack 31, control module controls clamp assemblies 3540 surface of clamping workpiece or operator control the fixed workpiece 40 of clamp assemblies 35.Restart the first fluidic device 32 and/orTwo fluidic devices 36 spray liquid to the predeterminated position on 40 surface of workpiece, to maintain the adhesive force of adhesive layer to detect.
Using above-mentioned on-line checking assembly line and based on the online test method of jet stream, in on-line checking assembly lineThe adhesive force of 40 adhesive layer of workpiece, to judge whether the adhesive layer of workpiece 40 meets processing request.Online test method include withLower step：
S101：By spraying equipment 10 in 40 surface sprayed protection medium of workpiece, and protection media cures are formed to work40 surface of part is to form adhesive layer.
S102：Workpiece 40 is successively transmitted by transmission device 20 and passes sequentially through detection device 30.Transmission device 20Roller-way 21 drives workpiece 40 mobile from spraying equipment 10 to 30 direction of detection device, can be by the workpiece 40 after detection device 30Enter next manufacturing procedure or outward output.
S103：It controls workpiece 40 of the detection device 30 on transmission device 20 and sprays the liquid of preset pressure, and judge workWhether the adhesive layer of part 40 is damaged.Detection device 30 sprays liquid to the adhesive layer of workpiece 40, as the liquid is set as pure water.LiquidSpray pressure accordingly according to the adhesive force data point reuse of default adhesive layer, hydraulic shock on the adhesive layer of workpiece 40 so thatBear to come between adhesive layer and workpiece 40 to the impact force of liquid, wherein the preset value of the adhesive force of workpiece 40 and adhesive layer andThe impact force of liquid is equal.
S104：When the adhesive layer breakage of workpiece 40, the adhesive force of the adhesive layer of workpiece 40 is less than preset value.
S105：When the adhesive layer of workpiece 40 is complete, the adhesive force of the adhesive layer of workpiece 40 is greater than or equal to preset value.
The impact force for acting on 40 surface of workpiece of liquid is a fixed value, and variation range is in the mobility scale allowedIt is interior.When hydraulic shock is in attachment layer surface, and the adhesive layer of workpiece 40 occurs damaged, then it represents that the adhesive layer of workpiece 40 it is attachedPut forth effort to be less than preset value, indicates that the adhesive force of the adhesive layer is undesirable, product is unqualified.When hydraulic shock is in adhesive layer tableFace, and workpiece 40 adhesive layer it is complete when, then it represents that the adhesive force of the adhesive layer of workpiece 40 be greater than or equal to preset value, indicate shouldThe adhesive force of adhesive layer meets the requirements, and product is qualified.
When at the circulation to detection device 30 of workpiece 40, detection device can be inspected workpiece 40 by random samples according to plug-in.It canSelection of land, control detection device 30 is spaced preset duration, then carries out adhesive layer detection to the workpiece 40 on transmission device 20.Or controlDetection device 30 is spaced the workpiece 40 of preset quantity, then carries out adhesive layer detection to the workpiece 40 on transmission device 20.Automatic inspectionFlow measurement waterline can on-line checking workpiece 40, to monitor the work validity of spraying equipment 10 and the adhesion effect of adhesive layer in real time,It is easy to detect.
In above-mentioned S103 step, controls workpiece 40 of the detection device 30 on transmission device 20 and spray preset pressureLiquid, and judge whether the adhesive layer of workpiece 40 is damaged comprising following steps：
S201：Liquid injection is adjusted to the detection position of 40 adhesive layer of workpiece.The shape of workpiece 40 is different, and detection position is notTogether, the hydrojet angles and positions of adjustment detection device 30 are required to.Such as, the first detection device is along crossbeam 312 and vertical pillar 311It slides to adjust the height and angle of liquid injection to 40 surface of workpiece.Such as by liquid jet direction perpendicular to the table of workpiece 40Face.
For example, workpiece 40 is round tube shape structure, detection device 30 sprays liquid along the axis direction perpendicular to workpiece 40, withWhether the adhesive force for detecting the adhesive layer on 40 surface of workpiece meets preset value.Control module controls the adjustment spray of the first fluidic device 32Spacing between hole and workpiece 40, if spray orifice is 5 centimetres at a distance from workpiece 40.And continue to adjust the axis and workpiece 40 of spray orificeAxis it is vertical so that spray orifice spray liquid perpendicular to workpiece 40 axis.Liquid effects are in the predeterminated position of workpiece 40, edgeMobile first fluidic device 32 of crossbeam 312 or transmission device 20 drive workpiece 40 mobile.The detection position adjusting side of workpiece 40Just, detection range is wide.
Detection device 30 can detect a detection position of workpiece 40, as an output liquid is only arranged in detection device 30The first fluidic device 32.Two of workpiece 40 or more can also be detected simultaneously and detects position, such as the setting of detection device 30 firstFluidic device 32 and the second fluidic device 36 control the first fluidic device 32 and the work of the second fluidic device 36 respectively, can be simultaneouslyThe front and back of workpiece 40 is detected, detection range is wide, and detection efficiency is high.
In the multiple spot detection process of workpiece 40, the impact force of workpiece 40 being subject to is big.Optionally, workpiece 40 is locked inTransmission device 20, so that workpiece 40 keeps settling position in the detection process.For example, being set to the clamp assemblies 35 of rack 31 for workPart 40 is held on transmission device 20, and after the completion of the adhesive layer detection of workpiece 40, the release of clamp assemblies 35 can make workpiece 40 logicalTransmission device 20 is crossed to transfer out.Clamp assemblies 35 include telescoping mechanism and the grip block for being installed on telescoping mechanism, telescoping mechanismIt pushes grip block clamping or unclamps the clamping to workpiece 40, workpiece 40 is fixed conveniently.
S202：Adjust the default impact force of liquid injection to 40 adhesive layer of workpiece.The adjusting of the impact force of the liquid can lead toThe output line footpath for overregulating liquid adjusts the modes such as the output pressure of liquid and adjusts.
For example, the spout bore of the first fluidic device 32 of replacement, so that the output line footpath of liquid is 1mm~5mm.Such as spoutBore be set as 1mm, 2mm, 3mm, 5mm etc., the output bore of liquid is corresponding with the bore of spout.Spout spray liquid itsPressure is adjusted according to the adhesive force of different adhesive layers, and injection pressure limit is：20MPa~200MPa.As 20MPa,40MPa, 60MPa, 80MPa, 100MPa, 160MPa, 200MPa etc..
The calculation formula that fluidic device acts on the impact force of the unit area of 40 coating of workpiece is：
Wherein, ρ is the density of liquid, and c is the efflux coefficient of liquid, and g is acceleration of gravity, and h is the liquid out of fluidic deviceSpacing between position and workpiece 40, P are the preset pressure value of liquid.
The liquid effects of fluidic device injection indicate the adhesive force of the adhesive layer on 40 surface of workpiece in the impact force of adhesive layerPreset value.When breakage occurs under the impact of liquid in adhesive layer, then it represents that the adhesive force of adhesive layer is small, does not meet design and wantsIt asks.The adhesive force that 40 surface of workpiece is detected by the way of jet stream, when adhesive layer is met the requirements of the standard, workpiece 40 is not inDamage, it is easy to detect.Detection device, which is set on assembly line, carries out on-line checking, and detection efficiency is high.
S203：Control the preset duration of liquid injection to 40 adhesive layer of workpiece.
S204：Acquire the pictorial information of workpiece 40.
S205：Judge whether the adhesive layer of workpiece 40 is damaged according to pictorial information.
Whether the adhesive force of the adhesive layer of on-line checking workpiece 40 meets preset by way of hydraulic shock workpiece 40Design requirement, it is easy to detect.Workpiece 40 is not necessarily to that corresponding detection device 30, detection effect are removed and in addition configured from assembly lineRate is high, and testing cost is low.The pictorial information judgement that operator can feed back according to filming apparatus 33 judges automatically or by manually sentencingThe Qualification of disconnected adhesive layer, judges conveniently.
Jet apparatus is widely used at present, and other structures and principle are same as the prior art, and which is not described herein again.