CN207758108U - A kind of plastic tube automatic detection device - Google Patents
A kind of plastic tube automatic detection device Download PDFInfo
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- CN207758108U CN207758108U CN201721725457.4U CN201721725457U CN207758108U CN 207758108 U CN207758108 U CN 207758108U CN 201721725457 U CN201721725457 U CN 201721725457U CN 207758108 U CN207758108 U CN 207758108U
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Abstract
The utility model discloses a kind of plastic tube automatic detection devices, including rack, rack includes before gap, afer bay plate, before, offered on afer bay plate allow plastic tube by transmission mouth, it is located at transmission mouth position on the front face of forebay plate and the surface quality detection mechanism being detected to the surface quality of plastic tube is installed, the rear plate face of forebay plate is upper to be equipped with the detent mechanism for keeping plastic tube along linear transmission in transmission mouth position, it is located at transmission mouth position on the front face of afer bay plate and the ovality to plastic tube is installed, whether the rotation ranging mechanism that eccentric and outside diameter tolerance is detected, the rear plate face of afer bay plate is upper to be equipped with the ultrasonic thickness measurement mechanism being detected to the wall thickness of plastic tube in transmission mouth position.The utility model detection device can carry out real-time automatic detection to the surface quality of plastic tube, wall thickness, bias, ovality and outside diameter tolerance index, solve existing plastic tube by the drawback present in traditional artificial detection mode.
Description
Technical field
The utility model is related to a kind of devices of automatic detection plastic tube, belong to product automation testing equipment field.
Background technology
In existing plastics (PE) pipe production process, the surface quality of plastic tube, wall thickness, bias, ovality and outer
Diameter deviation etc. is usually all detected with producers personal experience and measurer at interval of measuring for a period of time.Industry at present
Interior plastic tube production technology is in the links such as " plastic extrusion ", " blown film extrusion ", " cable extrusion " mostly using open loop control
The speed of system, host or dragger is the fixed value set in PLC controller in advance, it is however generally that, tubing is from producing
It comes and is towed to cutting work station and needs extrusion by 50m or so length, tubing that could only be used after this 50m extrusions
Calliper judges its thickness, could manually be adjusted to host or dragger when detecting that thickness is improper
It is whole.Although at present its wall thickness, bias, ovality can be measured by drilling behind vacuum tank to large-sized plastic pipe
Etc. indexs.But from the point of view of above-mentioned plastic tube production status, this detection mode of plastic tube is too backward, can not find in time
Substandard product significantly impacts production efficiency, and the percentage of A-class goods can not almost improve, the invisible production cost for increasing producer.
Utility model content
The purpose of this utility model is to provide a kind of plastic tube automatic detection devices, can be to the surface matter of plastic tube
Amount, wall thickness, bias, ovality and outside diameter tolerance index carry out real-time automatic detection, solve existing plastic tube by tradition
Drawback present in manual detection mode.
To achieve the goals above, the utility model uses following technical scheme:
A kind of plastic tube automatic detection device, it is characterised in that:It includes rack, and rack includes at a distance of the forward and backward of gap
Frame plate, offer on forward and backward frame plate allow plastic tube by transmission mouth, be located at transmission mouth on the front face of forebay plate
Position is equipped with the surface quality detection mechanism being detected to the surface quality of plastic tube, the rear plate face of forebay plate it is upper in
Transmission mouth position is equipped with the detent mechanism for keeping plastic tube along linear transmission, and transmission mouth position is located on the front face of afer bay plate
Set be equipped with the ovality to plastic tube, whether the rotation ranging mechanism that eccentric and outside diameter tolerance is detected, afer bay plate
Plate face is upper afterwards is equipped with the ultrasonic thickness measurement mechanism being detected to the wall thickness of plastic tube in transmission mouth position.
The utility model has the advantages that:
The utility model can carry out the surface quality of plastic tube, wall thickness, bias, ovality and outside diameter tolerance index real-time
Automatic detection, determine whether qualified products automatically, when continuously there is unqualified problem in product, automatic alarm remind life
Production personnel exclude in time, have saved human cost, improve production efficiency, ensure that the percentage of A-class goods, solve existing plastic tube according to
By the drawback present in traditional artificial detection mode.
Description of the drawings
Fig. 1 is the structural perspective of the utility model detection device.
Fig. 2 is the schematic front view of the utility model detection device.
Fig. 3 is that the right side of Fig. 2 regards schematic diagram (omitting outer cover).
Fig. 4 is the A of Fig. 2 to schematic diagram.
Fig. 5 is the B of Fig. 2 to schematic diagram.
Fig. 6 is the structural perspective of ultrasonic thickness measurement mechanism.
Fig. 7 is the internal structure schematic diagram of ultrasonic thickness measurement mechanism.
Specific implementation mode
As shown in Figures 1 to 7, the utility model plastic tube automatic detection device includes rack, rack include it is parallel to each other,
At a distance of the forward and backward frame plate 51,52 of setting gap, offered on forward and backward frame plate 51,52 allow plastic tube 60 by transmission
Mouthful, transmission mouth position is located on the front face of forebay plate 51, the surface being detected to the surface quality of plastic tube 60 is installed
Quality testing mechanism 10, upper be equipped in transmission mouth position of the rear plate face of forebay plate 51 keep plastic tube 60 along linear transmission
Detent mechanism 20, detent mechanism 20 ensure that during linear transmission eccentricity issues do not occur for plastic tube 60, so that it is guaranteed that
The accuracy of the Indexs measures such as subsequent ovality, wall thickness is located at the installation of transmission mouth position on the front face of afer bay plate 52
Have the ovality to plastic tube 60, whether the rotation ranging mechanism 30 that eccentric and outside diameter tolerance is detected, afer bay plate 52
Plate face is upper afterwards is equipped with the ultrasonic thickness measurement mechanism 40 being detected to the wall thickness of plastic tube 60 in transmission mouth position.
Such as Fig. 3, surface quality detection mechanism 10 includes several strip sources 12 of circumference uniform distribution, and light source 12 is always on, and is responsible for
The outer wall of plastic tube 60 is all illuminated, 12 side correspondence of each light source is equipped with a camera 11, and all cameras 11 are with to be detected
60 axle center of plastic tube is circumferentially uniformly distributed for the center of circle.Fig. 3 shows the situation for being evenly distributed in 5 cameras, 11,5 light sources 12.
Camera 11 is mounted on sliding component 13, and camera 11 realizes itself and 60 outer wall of plastic tube by the displacement on sliding component 13
Between distance adjustment.
In actual implementation, camera 11 should adjust it between 60 outer wall of plastic tube according to the outer diameter size of plastic tube 60
Distance, to 60 outer wall surface of plastic tube progress reliably clearly take pictures.
In actual design, sliding component 13 includes the sliding rail with distance scale, and sliding block, sliding block are slidably fitted on sliding rail
On camera 11 is installed.
Such as Fig. 1, light source 12, camera 11 in surface quality detection mechanism 10 etc. can be covered by outer cover 14, to keep
Good shooting environmental.
Such as Fig. 4, detent mechanism 20 includes the V-type idler wheel 21 for two nylon materials for being placed in 60 upper and lower of plastic tube, V-type
Idler wheel 21 is formed with obtuse shape, the V-groove for being contacted with 60 tube wall of plastic tube, and the effect of V-groove is appropriately to push down plastics
Pipe 60 makes plastic tube 60 not shift during linear transmission phenomenon, and the both ends of each V-type idler wheel 21 are rotatably mounted
In u-bracket 24, u-bracket 24 is movably installed on lead screw 22, and lead screw 22 is fixedly connected with adjusting handle 23, is adjusted
The rotation of handwheel 23 drives lead screw 22 to rotate, so that u-bracket 24 is moved up and down along lead screw 22 together with V-type idler wheel 21,
To adjust the exposure level between V-type idler wheel 21 and plastic tube 60, meet the compacting requirement of different tube diameters plastic tube.
Such as Fig. 5, rotation ranging mechanism 30 includes servo motor 31, the turntable 34 on afer bay plate 52, ring-type
Turntable 34 it is front and back through stretching out afer bay plate 52, that is to say, that turntable 34 is stretched in the front side of afer bay plate 52, rear side
In outside, turntable 34 is exposed on the part of 52 front side of afer bay plate and is equipped with laser range finder 33, laser range finder 33 for exposure
Detector towards the center of circle of turntable 34, synchrome conveying belt 32 is installed between turntable 34 and the shaft of servo motor 31,
Servo motor 31 drives turntable 34 and laser range finder 33 to be enclosed together with one circle of forward direction, reversed one by synchrome conveying belt 32
Rule carry out continuous rotation and setting test point pause setting time come realize laser range finder 33 to itself and plastic tube 60 it
Between spacing measurement, all test points are with 43 center of circle circumference uniform distribution of entrance.
Such as Fig. 6 and Fig. 7, ultrasonic thickness measurement mechanism 40 includes stainless steel water tank 41, water tank 41 can open top, in water tank 41
Medium water is filled, water tank 41 is stretched into the part that turntable 34 is exposed to 52 rear side of afer bay plate through 41 front side wall of water tank, water tank
The peripheral structure of 41 front side walls and turntable 34 is sealed processing to avoid generation leak, the turntable 34 in water tank 41
On soaking type supersonic reflectoscope 42 is installed, the detector of soaking type supersonic reflectoscope 42 towards the center of circle of turntable 34,
Border circular areas in turntable 34 is sealed up by preceding silica gel plate 53, and preceding silica gel plate 53 is equipped with the transmission mouth as entrance 43,
Entrance 43 and turntable 34 are concentric, rear silica gel plate 54 are equipped on the rear wall of water tank 41, rear silica gel plate 54 is equipped with and entrance
43 opposite outlets 44.
In the present invention, soaking type supersonic reflectoscope 42 is enclosed together with forward direction one with laser range finder 33, is reversed
The rule of one circle carries out continuous rotation and in setting test point pause setting time, to surpass to the pipe thickness of plastic tube 60
Sonic detection.
In the art, the ultrasound examination principle of soaking type supersonic reflectoscope 42 is known technology.Soaking type ultrasound
Wave detector 42 measures the thickness of pipe of plastic tube 60 based on Ultrasonic Pulse-Echo principle, when the ultrasonic pulse of its transmitting passes through
Medium water can be reflected back signal when reaching tube wall surfaces externally and internally, thus by propagation time of the ultrasonic wave in tubing come to plastics
The pipe thickness of pipe is accurately measured.
Such as Fig. 6 and Fig. 7,43 diameter of round entrance on preceding silica gel plate 53 is less than the outer diameter of plastic tube 60 so that be in into
The preceding silica gel plate 53 of 43 positions of mouth can be close to the plastic tube 60 of movement, prevent 41 leak of water tank.Circle on silica gel plate 54 afterwards
Shape exports the outer diameter that 44 diameters are less than plastic tube 60, so that the rear silica gel plate 54 in 44 positions of outlet can be close to movement
Plastic tube 60 prevents 41 leak of water tank.
In actual implementation, surface quality detection mechanism 10, rotation ranging mechanism 30, ultrasonic thickness measurement mechanism 40 with always
Control system (not shown) connects, and is coordinated to control by general control system.
In the present invention, camera 11, laser range finder 33, soaking type supersonic reflectoscope 42, general control system etc.
Existing device for this field or known system, therefore its specific composition is not described in detail herein.
In the present invention, before and after with the sender of plastic tube 60 always definition device, mechanism, component, as front side,
Rear side etc., before the position that plastic tube 60 first reaches is, after the position that reaches afterwards is, plastic tube direction of transfer is as shown in Figure 2.
The course of work of the utility model detection device is:
After the utility model detection device may be provided at the cooling device delivery outlet in plastic pipe production line, it may be implemented
In tube production process real-time online, incessantly to the surface quality of plastic tube, wall thickness (pipe thickness), tube wall whether
Eccentric, tube wall ovality and tube wall outside diameter tolerance size detection, can accomplish to detect substandard product in time, prevent waste product, secondary
Product continue to process, and product quality can be greatly improved, and production efficiency can be greatly improved.
Specifically, it extracts and cooling plastic tube 60 initially enters surface quality detection mechanism 10, examined in surface quality
It surveys in mechanism 10, each camera 11 is under the illumination of light source 12, from all directions to each of 60 a certain sections of outer wall surfaces of plastic tube
Part is taken pictures in real time, and sends the image that shooting obtains to general control system, the image that general control system passes through reception
Data are calculated the image of this section of outer wall surface of plastic tube and are compared with the plastic tube outer wall template being previously stored, in turn
Realize the detection to plastic tube outer wall surface quality (such as cut).If plastic tube 60 is in the detection of surface quality detection mechanism 10
Continuously occur in the process unqualified, then alarm, reminds producers' timely processing.
Then, plastic tube 60 is conveyed into detent mechanism 20, and carrying out centering to plastic tube 60 by detent mechanism 20 operates,
In detent mechanism 20, for upper and lower two V-type idler wheels 21 while rotation, the V-groove that each is formed clamps plastics jointly
Pipe 60, so as to keep stable straight line in the rotation ranging mechanism 30 that plastic tube 60 can be below, ultrasonic thickness measurement mechanism 40
Transmission, eccentricity issues do not occur during linear transmission, effectively ensure the accurate of the Indexs measures such as subsequent ovality, wall thickness
Property.
Then, plastic tube 60 is conveyed into rotation ranging mechanism 30, and in rotating ranging mechanism 30, servo motor 31 passes through
Synchrome conveying belt 32 drives turntable 34 and laser range finder 33 continuously to be turned with the rule of one circle of forward direction, a reversed circle together
It is dynamic.During the rotation of laser range finder 33 is turned around, pause certain time in equally distributed each test point, to plastic tube
Multiple points of different direction carry out laser ranging on 60 surfaces, and will measure the data transmission obtained to general control system, master control
System processed calculates the ovality of plastic tube wall by the data of reception, and is carried out with the ovality prescribed limit being previously stored
Comparison, and then realize to plastic tube wall ovality, whether eccentric, outside diameter tolerance size detection.If plastic tube is surveyed in rotation
Continuously occur unqualified in the detection process of spacing mechanism 30, then alarm, reminds producers' timely processing.
Finally, plastic tube 60 is conveyed into ultrasonic thickness measurement mechanism 40, in ultrasonic thickness measurement mechanism 40, plastic tube 60 from
Entrance 43 enters water tank 41, is immersed in medium water.In water tank 41, drive of the soaking type supersonic reflectoscope 42 in turntable 34
Under, continuous rotation is equally carried out with the rule of one circle of forward direction, a reversed circle.It turns around in the rotation of soaking type supersonic reflectoscope 42
In the process, it pauses certain time in equally distributed each test point, to the wall thickness of multiple points of different direction on plastic tube 60
Contactless ultrasound examination is carried out, and by detected data transmission to general control system, general control system is by connecing
The data of receipts, which calculate, obtains plastic tube wall thickness, and is compared with the setting range being previously stored, and then realizes to plastics
The detection of thickness of pipe wall.If plastic tube continuously occurs unqualified in the detection process of ultrasonic thickness measurement mechanism 40, alarm, reminds
Producers' timely processing.
Plastic tube 60 is sent into from the transmission mouth on preceding frame plate 51, completes a systems such as surface quality, tube wall ovality, wall thickness
After row detection, it is sent from outlet 44, to terminate entire detection operation.
In the present invention, qualified 60 section of plastic tube is answered rounded.
The utility model has the advantages that:
The utility model can carry out the surface quality of plastic tube, wall thickness, bias, ovality and outside diameter tolerance index real-time
Automatic detection, determine whether qualified products automatically, when continuously there is unqualified problem in product, automatic alarm remind life
Production personnel exclude in time, have saved human cost, improve production efficiency, ensure that the percentage of A-class goods, solve existing plastic tube according to
By the drawback present in traditional artificial detection mode.
The utility model structure of the detecting device reasonable design, especially compact-sized, floor space is small, plastic tube is by this
Utility model detection device realizes one-in-and-one-out, can complete quick, reliable detection operation to a series of indexs of plastic tube,
Detection efficiency is high, and detection operation does not interfere the continuous production of plastic tube, and in detection process, the production of plastic tube is without stopping.
The above is the utility model preferred embodiment and its technical principle used, for those skilled in the art
It is any based on technical solutions of the utility model basis without departing substantially from the spirit and scope of the utility model for member
On equivalent transformation, simple replacement etc. it is obvious change, belong within scope of protection of the utility model.
Claims (7)
1. a kind of plastic tube automatic detection device, it is characterised in that:It includes rack, and rack includes the forward and backward machine at a distance of gap
Frame plate, offer on forward and backward frame plate allow plastic tube by transmission mouth, be located at transmission mouth position on the front face of forebay plate
The surface quality detection mechanism for being equipped with and being detected to the surface quality of plastic tube is set, the rear plate face of forebay plate is upper in biography
It send mouthful position that the detent mechanism for keeping plastic tube along linear transmission is installed, transmission mouth position is located on the front face of afer bay plate
Be equipped with the ovality to plastic tube, whether the rotation ranging mechanism that eccentric and outside diameter tolerance is detected, after afer bay plate
It is located at transmission mouth position in plate face and the ultrasonic thickness measurement mechanism being detected to the wall thickness of plastic tube is installed.
2. plastic tube automatic detection device as described in claim 1, it is characterised in that:
The surface quality detection mechanism includes several strip sources of circumference uniform distribution, and correspondence is equipped with a phase by each light source
Machine, camera are mounted on sliding component, and camera realizes its phase between plastic tube outer wall by the displacement on sliding component
Adjustment away from distance.
3. plastic tube automatic detection device as described in claim 1, it is characterised in that:
The detent mechanism includes the V-type idler wheel for two nylon materials for being placed in plastic tube upper and lower, and V-type idler wheel is formed with blunt
The both ends of horn shape, the V-groove for being contacted with plastic tube wall, each V-type idler wheel are installed in rotation in u-bracket, U-shaped
Holder is movably installed on lead screw, and lead screw is fixedly connected with adjusting handle, and the rotation of adjusting handle drives lead screw rotation, with
U-bracket is set to be moved up and down along lead screw together with V-type idler wheel.
4. plastic tube automatic detection device as described in claim 1, it is characterised in that:
The rotation ranging mechanism includes servo motor, the turntable on the afer bay plate, before cricoid turntable
Run through afterwards and stretch out the afer bay plate, turntable is exposed on the part on front side of the afer bay plate and is equipped with laser range finder, revolves
Synchrome conveying belt is installed, servo motor drives turntable by synchrome conveying belt and swashs between turntable and the shaft of servo motor
Optar carries out continuous rotation with the rule of one circle of forward direction, a reversed circle together and comes in setting test point pause setting time
Realize measurement of the laser range finder to its spacing between plastic tube.
5. plastic tube automatic detection device as claimed in claim 4, it is characterised in that:
The ultrasonic thickness measurement mechanism includes stainless steel water tank, and the part that the turntable is exposed on rear side of the afer bay plate is run through
Water tank front side wall and stretch into water tank, soaking type supersonic reflectoscope, turntable are installed on the turntable in water tank
Interior border circular areas is sealed up by preceding silica gel plate, and preceding silica gel plate is equipped with the transmission mouth as entrance, entrance with it is described
Turntable is concentric, and rear silica gel plate is equipped on the rear wall of water tank, and rear silica gel plate is equipped with the outlet opposite with entrance.
6. plastic tube automatic detection device as claimed in claim 5, it is characterised in that:
The inlet diameter on the preceding silica gel plate is less than the outer diameter of plastic tube;
The outlet diameter after described on silica gel plate is less than the outer diameter of plastic tube.
7. such as plastic tube automatic detection device according to any one of claims 1 to 6, it is characterised in that:
The surface quality detection mechanism, the rotation ranging mechanism, the ultrasonic thickness measurement mechanism are connect with general control system.
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CN201721725457.4U CN207758108U (en) | 2017-12-12 | 2017-12-12 | A kind of plastic tube automatic detection device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108016020A (en) * | 2017-12-12 | 2018-05-11 | 河北天昱恒科技有限公司 | Plastic tube automatic detection device |
CN109774315A (en) * | 2019-01-17 | 2019-05-21 | 苏州大楚智能激光喷码设备有限公司 | A kind of plastic conduit Intelligent Laser code spraying system control method |
CN112439710A (en) * | 2021-01-29 | 2021-03-05 | 山东微立方信息技术股份有限公司 | Pipe fitting comprehensive measuring device |
CN113108702A (en) * | 2021-03-29 | 2021-07-13 | 广东恒达胶管制品有限公司 | Real-time detection system and detection process for pipe appearance |
-
2017
- 2017-12-12 CN CN201721725457.4U patent/CN207758108U/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108016020A (en) * | 2017-12-12 | 2018-05-11 | 河北天昱恒科技有限公司 | Plastic tube automatic detection device |
CN108016020B (en) * | 2017-12-12 | 2023-10-24 | 河北天昱恒科技有限公司 | Automatic detection device for plastic pipe |
CN109774315A (en) * | 2019-01-17 | 2019-05-21 | 苏州大楚智能激光喷码设备有限公司 | A kind of plastic conduit Intelligent Laser code spraying system control method |
CN112439710A (en) * | 2021-01-29 | 2021-03-05 | 山东微立方信息技术股份有限公司 | Pipe fitting comprehensive measuring device |
CN112439710B (en) * | 2021-01-29 | 2021-04-23 | 上海海洋大学 | Pipe fitting comprehensive measuring device |
CN113108702A (en) * | 2021-03-29 | 2021-07-13 | 广东恒达胶管制品有限公司 | Real-time detection system and detection process for pipe appearance |
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