CN103196810A - Device for detecting moisture permeability of aluminum-plated polyethylenetherephtalate (PET) thin film - Google Patents
Device for detecting moisture permeability of aluminum-plated polyethylenetherephtalate (PET) thin film Download PDFInfo
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- CN103196810A CN103196810A CN2013101211575A CN201310121157A CN103196810A CN 103196810 A CN103196810 A CN 103196810A CN 2013101211575 A CN2013101211575 A CN 2013101211575A CN 201310121157 A CN201310121157 A CN 201310121157A CN 103196810 A CN103196810 A CN 103196810A
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Abstract
The invention provides a device for detecting the moisture permeability of an aluminum-plated polyethylenetherephtalate (PET) thin film, belongs to the technical field of machinery, and solves the technical problems that the moisture permeability of the aluminum-plated PET thin film can not be detected and the like in the prior art. The device comprises a base and a vertical column vertically fixed on the base, wherein a positioning clamp capable of positioning the aluminum-plated PET thin film is arranged on the base and comprises a base plate; the base plate is fixed on the base; a humidity sensor and a programmable logic controller (PLC) are arranged on the base plate; the humidity sensor is connected with the PLC through a line; the PLC is provided with an output port connected with a computer; and a water spraying mechanism for spraying water to the aluminum-plated PET thin film positioned by the positioning clamp is also arranged on the base. The device can detect the moisture permeability of the aluminum-plated PET thin film and is high in accuracy.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of pick-up unit, particularly a kind of aluminum plated PET film moisture-penetrability pick-up unit.
Background technology
Along with the raising of people's living standard, the wrappage of fruit have become in daily life and more and more to have popularized.The fresh keeping property of fruit wrappage has material impact to the protection of product, circulation and the shelf sale of product.
The PET film be a kind of performance than more comprehensive packing film, its transparency is good, and is glossy; Have good air-tightness and fragrance protectiveness; Moisture resistance is medium, and rate of perviousness descends at low temperatures.And the mechanical property of PET film is good, and its obdurability is best in all thermoplasticss, and tensile strength and impact strength are more much higher than general film; And very power is good, and dimensionally stable is suitable for secondary processing such as printing, paper bag.The PET film also has good heat-resisting, low temperature resistance and good chemical proofing and oil resistance.
And the aluminum plated PET film is the barrier film that forms to the high-quality PET film by vacuum aluminium plating process aluminium atom packing that one deck is very thin, has beautiful metal luster, excellent gas and light barrier and good protection against the tide, heat-resisting, paracentesis resistance energy, the advantage that alternative aluminium foil etc. use.So the aluminum plated PET film is a kind of desirable fruit packing film.
Moisture-penetrability test refers to the mensuration of the moisture-vapor transmission of packing container such as the bottle, bag at materials such as films such as plastic sheeting, composite membrane, flaky material and plastics, rubber, paperys, by the mensuration to moisture-vapor transmission, reach control and the technical indicator of regulating products such as wrappage.
Usually, the aluminum plated PET film has many good characteristics and follows its moisture-penetrability interwoveness, so the moisture-penetrability that guarantees the aluminum plated PET film is to realize that it has the key point of superperformance.But in the prior art, also find no and be specifically designed to the pick-up unit that detects aluminum plated PET film moisture-penetrability, so, for those skilled in the art, be still waiting to develop the device that another kind can detect moisture-penetrability to the aluminum plated PET film, have good moisture-penetrability to guarantee the aluminum plated PET film.
Summary of the invention
The objective of the invention is to have the problems referred to above at existing technology, proposed a kind of aluminum plated PET film moisture-penetrability pick-up unit, this pick-up unit has and can carry out moisture-penetrability detection and the high characteristics of testing result accuracy to the aluminum plated PET film.
Purpose of the present invention can realize by following technical proposal: a kind of aluminum plated PET film moisture-penetrability pick-up unit, comprise base and vertically be fixed on column on the base, it is characterized in that, described base is provided with can be with aluminum plated PET film location positioning fixture firmly, described positioning fixture comprises base plate, described base plate is fixed on the base, described base plate is provided with humidity sensor and PLC Programmable Logic Controller, described humidity sensor links to each other with the PLC Programmable Logic Controller by circuit, described PLC Programmable Logic Controller has the output port that can be connected with computing machine, also be provided with on the described base and can locate the water spraying mechanism that aluminum plated PET film is firmly sprayed water to the anchor clamps that are positioned, described water spraying mechanism comprises water pump, shower nozzle be connected flexible pipe, described water pump is fixed on the base, the import of described shower nozzle is connected with water pump by connecting flexible pipe, and the outlet of described shower nozzle is towards described base plate, be provided with flow control valve in the described connection flexible pipe, fixedly there is cylinder described column upper end, the piston rod of described cylinder and described column are perpendicular, and described shower nozzle is fixed on the piston rod of cylinder.
This aluminum plated PET film moisture-penetrability pick-up unit, its principle of work is such, at first, by positioning fixture aluminum plated PET film to be measured is fixed on the base plate; Then, start the cylinder in the water spraying mechanism, shower nozzle is moved above the aluminum plated PET film, open water pump simultaneously, shower nozzle is sprayed water to the aluminum plated PET film, water just can be sprayed onto on the aluminum plated PET film uniformly; At last, by the humidity of side space under the humidity sensor induction aluminum plated PET film, and by the PLC Programmable Logic Controller information is passed to computer, the moisture-penetrability of aluminum plated PET film is analyzed.The size that the present invention can regulate flow by the flow control valve that connects on the flexible pipe makes water be sprayed at uniformly on the aluminum plated PET film by shower nozzle.
In above-mentioned aluminum plated PET film moisture-penetrability pick-up unit, described positioning fixture also comprises a pole that vertically is fixed on the base plate, the upper end horizontal fixed of described pole has a transverse slat, be inserted with two tensioning tubes that are parallel to each other and can rotate on the described transverse slat, be provided with one between described tensioning tube and the transverse slat and can make the tensioning tube be fixed on positioning component on the transverse slat, offer a clip slot on the described tensioning tube vertically; Described positioning component comprises two bolt hole and two bolts that cooperate with bolt hole of being opened in the transverse slat upper surface, and described bolt can be resisted against on the tensioning tube; Be set with a turning knob on the described tensioning tube, respectively be provided with a benchmark back-up ring on described two tensioning tubes, the line of two benchmark back-up rings and tensioning tube axis normal; Described turning knob is provided with tread plate, and described clip slot is offered along tensioning barrel dliameter line, and the left end of clip slot aligns with the benchmark back-up ring.
The installation process of aluminum plated PET film is such, at first be cut into the aluminum plated PET film square, then with the aluminum plated PET film over against two edges snap in respectively in the clip slot of two tensioning tubes, rotation tensioning tube, make the aluminum plated PET film be in tensioning state, can make the aluminum plated PET film smooth simultaneously, utilize bolt at last and it is resisted against on the tensioning tube tensioning tube is fixed, this has just finished fixing the aluminum plated PET film.When being conducive to rotate the tensioning tube, turning knob and tread plate can not skid, in order to better adjust the tensioning degree of aluminum plated PET film.
As another situation, in above-mentioned aluminum plated PET film moisture-penetrability pick-up unit, described positioning fixture also comprises the back up pad that is fixed on the base plate, a backstay is fixedly arranged on the described back up pad, described backstay is provided with a clamp assembly, also be equipped with a nutted rod parallel with backstay on the described back up pad, be connected by bearing between described nutted rod and the back up pad, offer a clip slot on the described nutted rod vertically; Clamp assembly comprises a clip that is fixed on the backstay, described clip is provided with set bolt, be set with a turning knob on the described nutted rod, the two ends, the left and right sides of described clip respectively are provided with a reference block, described nutted rod is provided with a benchmark back-up ring corresponding with the reference block of clip left end, described back up pad is provided with a pin, and described pin can be fixed on nutted rod on the back up pad.
The installation process of aluminum plated PET film can also be such, at first be cut into the aluminum plated PET film square, one of them edge with the aluminum plated PET film snaps onto in the clip slot of nutted rod then, another opposed edges is clamped with clip, the rotation nutted rod makes the aluminum plated PET film be in tensioning state, can make the aluminum plated PET film smooth simultaneously, utilize pin at last and make it pass nutted rod nutted rod is fixed, this has just finished fixing the aluminum plated PET film.Turning knob is conducive to rotate the tensioning tube more easily, in order to better adjust the tensioning degree of aluminum plated PET film.
In above-mentioned aluminum plated PET film moisture-penetrability pick-up unit, be provided with the elevating mechanism that can drive the humidity sensor oscilaltion between described base plate and the humidity sensor.Just can make the humidity sensor oscilaltion by elevating mechanism, thereby induction aluminum plated PET film below humidity at all levels improves the accuracy of test.
In above-mentioned aluminum plated PET film moisture-penetrability pick-up unit, described elevating mechanism comprises motor, screw mandrel, nut and lifter plate, described motor is fixed on the base plate, described screw mandrel is fixed on the output shaft of motor, described nut thread is connected on the described screw mandrel, and the screw mandrel upper end is in the below of tensioning tube, bearing is fixedly arranged in the described lifter plate, described bearing inner race is sheathed and be fixed on outside the described nut, also fixedly there is travel switch described screw mandrel upper end, described travel switch links to each other with described motor by circuit, and above-mentioned humidity sensor is fixed on the lifter plate.Open motor, and output shaft is just changeed, driving screw mandrel just changes, and the nut on the screw mandrel moves upward, and lifter plate also moves upward, and drives humidity sensor and moves upward; The output shaft counter-rotating drives the screw mandrel counter-rotating, and the nut on the screw mandrel moves downward, and lifter plate also moves downward, and drives humidity sensor and moves downward; Disable motor, the humidity sensor stop motion.When the nut on the screw mandrel moves to end on the screw mandrel, can touch travel switch, travel switch passes to motor with signal by circuit, and motor is out of service.
In above-mentioned aluminum plated PET film moisture-penetrability pick-up unit, also be provided with waterproof drum between described humidity sensor and the lifter plate, described humidity sensor is fixed in the waterproof drum, described waterproof drum is fixed on the described lifter plate, described waterproof drum top has opening, the O-ring seal one that can be close to mutually with the aluminum plated PET film is fixedly arranged at described waterproof drum top, and described waterproof drum bottom offers the through hole that passes for for circuit, and O-ring seal two is fixedly arranged on the hole wall of described through hole.Below by this waterproof drum just can prevent from being splashed into by the water that shower nozzle sprays out the aluminum plated PET film influences test findings.By O-ring seal once and O-ring seal two can strengthen the sealing property of waterproof drum, thereby avoid the accuracy of extraneous factor influence test.
In above-mentioned aluminum plated PET film moisture-penetrability pick-up unit, also fix free relay on the described base, the described time relay all links to each other with cylinder with above-mentioned water pump by circuit.Set a time at the time relay, open cylinder, make shower nozzle mobile above the aluminum plated PET film, open water pump simultaneously, shower nozzle is sprayed water at the aluminum plated PET film; When time value that the time relay is passed by set, cylinder is closed, and water pump quits work.
In above-mentioned aluminum plated PET film moisture-penetrability pick-up unit, described connection flexible pipe adopts elastomeric material to make, the external diameter of described connection flexible pipe is less than the bore of the import of described shower nozzle, is provided with in the described connection flexible pipe to make the periphery wall that connects flexible pipe be close to jump ring on the mouth wall of import of shower nozzle.Use Circlip tongs that jump ring is dwindled earlier, and attach it in the mouth of pipe that connects flexible pipe, then the mouth of pipe of jump ring and connecting pipe together is installed on the mouth wall of shower nozzle, decontrols Circlip tongs at last, just can smoothly the periphery wall that connects flexible pipe be close on mouthful wall of import of shower nozzle.
Compared with prior art, this aluminum plated PET film moisture-penetrability pick-up unit has the following advantages:
1, the present invention sprays water to aluminum plated PET film to be measured by shower nozzle earlier, uses humidity sensor that the following side space of aluminum plated PET film to be measured is responded to humidity then, thereby sends data to computing machine analysis, operation accuracy height.
2, the present invention sprays water to the aluminum plated PET film by cylinder and water pump, water can be sprayed onto on the aluminum plated PET film uniformly, and also easy to operate.
3, the present invention is fixed on the aluminum plated PET film in the surface level by two tensioning tubes, and can make the smooth tensioning of aluminum plated PET film by rotation tensioning tube, and it is simple to operation.
4, the present invention is when snapping in the aluminum plated PET film in two clip slots, allow the edge of aluminum plated PET film one side aim at two benchmark back-up rings on the tensioning tube, because the aluminum plated PET film is square, its area can calculate by the width of aluminum plated PET film and the distance between the benchmark back-up ring, so that the step of minimizing in the moisture-penetrability test process improves its convenient test and testing efficiency.
5, the present invention by lifter plate fixedly waterproof drum scope that humidity sensor is detected keep sealing, reduce the interference of extraneous factor, thus the accuracy when improving test.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of water spraying mechanism among the present invention;
Fig. 3 is the structural representation of positioning fixture among the present invention;
Fig. 4 is the structure for amplifying synoptic diagram at A place among Fig. 3;
Fig. 5 is the structural representation of elevating mechanism among the present invention;
Fig. 6 is the structural representation of positioning fixture in the embodiment of the invention two.
Among the figure, 1, base; 2, column; 3, aluminum plated PET film; 4, humidity sensor; 5, PLC Programmable Logic Controller; 6, water spraying mechanism; 61, water pump; 62, shower nozzle; 63, connect flexible pipe; 64, flow control valve; 65, cylinder; 651, piston rod; 7, positioning fixture; 701, base plate; 702, pole; 703, transverse slat; 704, tensioning tube; 705, clip slot; 706, bolt; 707, turning knob; 708, benchmark back-up ring; 709, tread plate; 710, back up pad; 711, backstay; 712, nutted rod; 713, clip; 714, reference block; 715, pin; 8, elevating mechanism; 81, motor; 82, screw mandrel; 83, nut; 84, bearing; 85, lifter plate; 86, travel switch; 9, waterproof drum; 91, O-ring seal one; 10, the time relay.
Embodiment
Below be specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
Embodiment one
As illustrated in fig. 1 and 2, a kind of aluminum plated PET film moisture-penetrability pick-up unit, comprise base 1 and vertically be fixed on column 2 on the base 1, base 1 is provided with can be with aluminum plated PET film 3 location positioning fixtures 7 firmly, positioning fixture 7 comprises base plate 701, base plate 701 is fixed on the base 1 by screw, base plate 701 is provided with humidity sensor 4 and PLC Programmable Logic Controller 5, humidity sensor 4 links to each other with PLC Programmable Logic Controller 5 by circuit, and PLC Programmable Logic Controller 5 has the output port that can be connected with computing machine; Also be provided with on the base 1 and can locate the water spraying mechanism 6 that aluminum plated PET films 3 are firmly sprayed water to the anchor clamps 7 that are positioned, water spraying mechanism 6 comprises water pump 61, shower nozzle 62 and is connected flexible pipe 63, water pump 61 is fixed on the base 1, the import of shower nozzle 62 is connected with water pump 61 by connecting flexible pipe 63, and the outlet of shower nozzle 62 is towards base plate 701, connect in the flexible pipe 63 and be provided with flow control valve 64, fixedly there is cylinder 65 column 2 upper ends, the piston rod 651 of cylinder 65 is perpendicular with column 2, and shower nozzle 62 is fixed on the piston rod 651 of cylinder 65.
Specifically, connect flexible pipe 63 and adopt elastomeric materials to make, connect the external diameter of flexible pipe 63 less than the bore of the import of shower nozzle 62, connect to be provided with in the flexible pipe 63 and can make the periphery wall that connects flexible pipe 63 be close to jump ring on the mouth wall of import of shower nozzle 62.Use Circlip tongs that jump ring is dwindled earlier, and attach it in the mouth of pipe that connects flexible pipe 63, the mouth of pipe with jump ring and connecting pipe together is installed on the mouth wall of shower nozzle 62 then, decontrol Circlip tongs at last, just can be smoothly the periphery wall that connects flexible pipe 63 be close on the mouth wall of import of shower nozzle 62.
Shown in Fig. 3 and 4, positioning fixture 7 also comprises a pole 702 that vertically is fixed on the base plate 701, the upper end horizontal fixed of pole 702 has a transverse slat 703, be inserted with two tensioning tubes 704 that are parallel to each other and can rotate on the transverse slat 703, be provided with one between tensioning tube 704 and the transverse slat 703 and can make tensioning tube 704 be fixed on positioning component on the transverse slat 703, offer a clip slot 705 on the tensioning tube 704 vertically.Positioning component comprises two bolt hole and two bolts that cooperate with bolt hole 706 of being opened in transverse slat 703 upper surfaces, and bolt 706 can be resisted against on the tensioning tube 704.Respectively be set with a turning knob 707 on two tensioning tubes 704, turning knob 707 is provided with on 709, two tensioning tubes 704 of tread plate and respectively is provided with a benchmark back-up ring 708, and the line of two benchmark back-up rings 708 and tensioning tube 704 axis normal; Clip slot 705 is offered along tensioning tube 704 radial lines, and the left end of clip slot 705 aligns with benchmark back-up ring 708.The installation process of aluminum plated PET film 3 is such, at first be cut into aluminum plated PET film 3 square, then with aluminum plated PET film 3 over against two edges snap in respectively in the clip slot 705 of two tensioning tubes 704, rotation tensioning tube 704, make aluminum plated PET film 3 be in tensioning state, can make aluminum plated PET film 3 smooth simultaneously, utilize bolt 706 at last and it is resisted against on the tensioning tube 704 tensioning tube 704 is fixed, this has just finished fixing aluminum plated PET film 3.When being conducive to rotate tensioning tube 704, turning knob 707 and tread plate 709 can not skid, in order to better adjust the tensioning degree of aluminum plated PET film 3.When aluminum plated PET film 3 being snapped in two clip slots 705, allow the edge of aluminum plated PET film 3 one sides aim at two benchmark back-up rings 708 on the tensioning tube 704, because aluminum plated PET film 3 is square, its area can calculate by the width of aluminum plated PET film 3 and the distance between the benchmark back-up ring 708, so that the step of minimizing in the moisture-penetrability test process improves its convenient test and testing efficiency.
As shown in Figure 5, be provided with the elevating mechanism 8 that can drive humidity sensor 4 oscilaltions between base plate 701 and the humidity sensor 4.Just can make humidity sensor 4 oscilaltions by elevating mechanism 8, thereby induction aluminum plated PET film 3 belows humidity at all levels improves the accuracy of test.Specifically, elevating mechanism 8 comprises motor 81, screw mandrel 82, nut 83 and lifter plate 85, motor 81 is fixed on the base plate 701, one end of screw mandrel 82 is fixed on the output shaft of motor 81, nut 83 is threaded on the screw mandrel 82, and screw mandrel 82 upper ends are in the below of tensioning tube 704, bearing 84 is fixedly arranged in the lifter plate 85, bearing 84 inner rings are sheathed and be fixed on outside the nut 83, also fixedly there is travel switch 86 screw mandrel 82 upper ends, travel switch 86 links to each other with motor 81 by circuit, and humidity sensor 4 is fixed on the lifter plate 85.Open motor 81, and output shaft is just changeed, driving screw mandrel 82 is just changeing, and the nut 83 on the screw mandrel 82 moves upward, and lifter plate 85 also moves upward, and drives humidity sensor 4 and moves upward; The output shaft counter-rotating drives screw mandrel 82 counter-rotatings, and the nut 83 on the screw mandrel 82 moves downward, and lifter plate 85 also moves downward, and drives humidity sensor 4 and moves downward; Disable motor 81, humidity sensor 4 stop motions.When the nut 83 on the screw mandrel 82 moves to end on the screw mandrel 82, can touch travel switch 86, travel switch 86 passes to motor 81 with signal by circuit, and motor 81 is out of service.
Also be provided with waterproof drum 9 between humidity sensor 4 and the lifter plate 85, humidity sensor 4 is fixed in the waterproof drum 9, waterproof drum 9 is fixed on the lifter plate 85, waterproof drum 9 tops have opening, the O-ring seal 1 that can be close to mutually with aluminum plated PET film 3 is fixedly arranged at waterproof drum 9 tops, waterproof drum 9 bottoms offer the through hole that passes for for circuit, and O-ring seal two is fixedly arranged on the hole wall of through hole.Below by this waterproof drum 9 just can prevent from being splashed into by the water that shower nozzle 62 sprays out aluminum plated PET film 3 influences test findings.Just can strengthen the sealing property of waterproof drum 9 by O-ring seal 1 and O-ring seal two, thereby avoid the accuracy of extraneous factor influence test.
In the present embodiment, also fix free relay 10 on the base 1, the time relay 10 all links to each other with cylinder 65 with water pump 61 by circuit.Set a time at the time relay 10, open cylinder 65, make shower nozzle 62 mobile above aluminum plated PET film 3, open water pump 61 simultaneously, shower nozzle 62 is sprayed water at aluminum plated PET film 3; When time value that time relay 10 is passed by set, cylinder 65 is closed, and water pump 61 quits work.
This aluminum plated PET film moisture-penetrability pick-up unit, its principle of work is such, at first, be cut into aluminum plated PET film 3 to be measured square, and with aluminum plated PET film 3 over against two edges snap in respectively in the clip slot 705 of two tensioning tubes 704, rotation tensioning tube 704 makes aluminum plated PET film 3 be in tensioning state, utilizes bolt 706 and it is resisted against on the tensioning tube 704 tensioning tube 704 is fixing; Then, set a time at the time relay 10, such as 1min; Then, start the cylinder 65 in the water spraying mechanism 6, shower nozzle 62 is moved above aluminum plated PET film 3, open water pump 61 simultaneously, and adjusting connects the water Shu Shizhong that the flow valve on the flexible pipe 63 sprays to shower nozzle 62,62 pairs of aluminum plated PET films 3 of shower nozzle are sprayed water, and water just can be sprayed onto on the aluminum plated PET film 3 uniformly; And then, start cylinder 65, and make humidity sensor 4 to rising, make the humidity of 3 times side spaces of humidity sensor 4 induction aluminum plated PET films; At last, by PLC Programmable Logic Controller 5 information is passed to computer, the moisture-penetrability of aluminum plated PET film 3 is analyzed.
Embodiment two
Present embodiment is basic identical with structure and the principle of embodiment one, different place is: as shown in Figure 6, positioning fixture 7 comprises the back up pad 710 that is fixed on the base plate 701, and a backstay 711 is fixedly arranged on the back up pad 710, and backstay 711 is provided with a clamp assembly; Also be equipped with a nutted rod 712 parallel with backstay 711 on the back up pad 710, be connected by bearing 84 between nutted rod 712 and the back up pad 710, offer a clip slot 705 on the nutted rod 712 vertically.Clamp assembly comprises a clip 713 that is fixed on the backstay 711, and clip 713 is provided with set bolt, just clip 713 can be fixed on the backstay 711 by set bolt.Be set with a turning knob 707 on the nutted rod 712, offer tread plate 709 on the turning knob 707, the two ends, the left and right sides of clip 713 respectively are provided with a reference block 714, nutted rod 712 is provided with a benchmark back-up ring 708 corresponding with the reference block 714 of clip 713 left ends, back up pad 710 is provided with a pin 715, and pin 715 can be fixed on nutted rod 712 on the back up pad 710.In present embodiment two, the installation process of aluminum plated PET film 3 is such, at first be cut into aluminum plated PET film 3 square, one of them edge with aluminum plated PET film 3 snaps onto in the clip slot 705 of nutted rod 712 then, another opposed edges is clamped with clip 713, rotation nutted rod 712, make aluminum plated PET film 3 be in tensioning state, can make aluminum plated PET film 3 smooth simultaneously, utilize pin 715 at last and make it pass nutted rod 712 nutted rod 712 is fixed, this has just finished fixing aluminum plated PET film 3.Turning knob 707 is conducive to rotate tensioning tube 704 more easily, in order to better adjust the tensioning degree of aluminum plated PET film 3.When aluminum plated PET film 3 being snapped in clip 713 and the clip slot 705, allow the edge of aluminum plated PET film 3 one sides aim at reference block 714 on the clip 713 and the benchmark back-up ring 708 on the nutted rod 712, because aluminum plated PET film 3 is square, its area can calculate by the distance between reference block 714 and the benchmark back-up ring 708, so that the step of minimizing in the moisture-penetrability test process improves its convenient test and testing efficiency.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used 1, base morely; 2, column; 3, aluminum plated PET film; 4, humidity sensor; 5, PLC Programmable Logic Controller; 6, water spraying mechanism; 61, water pump; 62, shower nozzle; 63, connect flexible pipe; 64, flow control valve; 65, cylinder; 651, piston rod; 7, positioning fixture; 701, base plate; 702, pole; 703, transverse slat; 704, tensioning tube; 705, clip slot; 706, bolt; 707, turning knob; 708, benchmark back-up ring; 709, tread plate; 710, back up pad; 711, backstay; 712, nutted rod; 713, clip; 714, reference block; 715, pin; 8, elevating mechanism; 81, motor; 82, screw mandrel; 83, nut; 84, bearing; 85, lifter plate; 86, travel switch; 9, waterproof drum; 91, O-ring seal one; 10, term such as time relay, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (8)
1. aluminum plated PET film moisture-penetrability pick-up unit, comprise base (1) and vertically be fixed on column (2) on the base (1), it is characterized in that, described base (1) is provided with can be with aluminum plated PET film (3) location positioning fixture (7) firmly, described positioning fixture (7) comprises base plate (701), described base plate (701) is fixed on the base (1), described base plate (701) is provided with humidity sensor (4) and PLC Programmable Logic Controller (5), described humidity sensor (4) links to each other with PLC Programmable Logic Controller (5) by circuit, described PLC Programmable Logic Controller (5) has the output port that can be connected with computing machine, also be provided with on the described base (1) and can locate the water spraying mechanism (6) that aluminum plated PET film (3) is firmly sprayed water to the anchor clamps that are positioned (7), described water spraying mechanism (6) comprises water pump (61), shower nozzle (62) be connected flexible pipe (63), described water pump (61) is fixed on the base (1), the import of described shower nozzle (62) is connected with water pump (61) by connecting flexible pipe (63), and the outlet of described shower nozzle (62) is towards described base plate (701), be provided with flow control valve (64) in the described connection flexible pipe (63), fixedly there is cylinder (65) described column (2) upper end, the piston rod (651) of described cylinder (65) is perpendicular with described column (2), and described shower nozzle (62) is fixed on the piston rod (651) of cylinder (65).
2. aluminum plated PET film moisture-penetrability pick-up unit according to claim 1, it is characterized in that, described positioning fixture (7) also comprises a pole (702) that vertically is fixed on the base plate (701), the upper end horizontal fixed of described pole (702) has a transverse slat (703), be inserted with two tensioning tubes (704) that are parallel to each other and can rotate on the described transverse slat (703), be provided with one between described tensioning tube (704) and the transverse slat (703) and can make tensioning tube (704) be fixed on positioning component on the transverse slat (703), offer a clip slot (705) on the described tensioning tube (704) vertically; Described positioning component comprises two bolt hole and two bolts that cooperate with bolt hole (706) that are opened in transverse slat (703) upper surface, and described bolt (706) can be resisted against on the tensioning tube (704); Be set with a turning knob (707) on the described tensioning tube (704), respectively be provided with a benchmark back-up ring (708) on described two tensioning tubes (704), the line of two benchmark back-up rings (708) and tensioning tube (704) axis normal; Described turning knob (707) is provided with tread plate (709), and described clip slot (705) is offered along tensioning tube (704) radial line, and the left end of clip slot (705) aligns with benchmark back-up ring (708).
3. aluminum plated PET film moisture-penetrability pick-up unit according to claim 1, it is characterized in that, described positioning fixture (7) also comprises the back up pad (710) that is fixed on the base plate (701), described back up pad (710) goes up fixedly a backstay (711), described backstay (711) is provided with a clamp assembly, also be equipped with a nutted rod (712) parallel with backstay (711) on the described back up pad (710), be connected by bearing (84) between described nutted rod (712) and the back up pad (710), offer a clip slot (705) on the described nutted rod (712) vertically; Clamp assembly comprises a clip (713) that is fixed on the backstay (711), described clip (713) is provided with set bolt, be set with a turning knob (707) on the described nutted rod (712), the two ends, the left and right sides of described clip (713) respectively are provided with a reference block (714), described nutted rod (712) is provided with a benchmark back-up ring (708) corresponding with the reference block (714) of clip (713) left end, described back up pad (710) is provided with a pin (715), and described pin (715) can be fixed on nutted rod (712) on the back up pad (710).
4. aluminum plated PET film moisture-penetrability pick-up unit according to claim 2 is characterized in that, is provided with the elevating mechanism (8) that can drive humidity sensor (4) oscilaltion between described base plate (701) and the humidity sensor (4).
5. aluminum plated PET film moisture-penetrability pick-up unit according to claim 4, it is characterized in that, described elevating mechanism (8) comprises motor (81), screw mandrel (82), nut (83) and lifter plate (85), described motor (81) is fixed on the base plate (701), described screw mandrel (82) is fixed on the output shaft of motor (81), described nut (83) is threaded on the described screw mandrel (82), and screw mandrel (82) upper end is in the below of tensioning tube (704), bearing (84) is fixedly arranged in the described lifter plate (85), described bearing (84) inner ring is sheathed and be fixed on outside the described nut (83), also fixedly there is travel switch (86) described screw mandrel (82) upper end, described travel switch (86) links to each other with described motor (81) by circuit, and above-mentioned humidity sensor (4) is fixed on the lifter plate (85).
6. aluminum plated PET film moisture-penetrability pick-up unit according to claim 5, it is characterized in that, also be provided with waterproof drum (9) between described humidity sensor (4) and the lifter plate (85), described humidity sensor (4) is fixed in the waterproof drum (9), described waterproof drum (9) is fixed on the described lifter plate (85), described waterproof drum (9) top has opening, the O-ring seal one (91) that can be close to mutually with aluminum plated PET film (3) is fixedly arranged at described waterproof drum (9) top, described waterproof drum (9) bottom offers the through hole that passes for for circuit, and O-ring seal two is fixedly arranged on the hole wall of described through hole.
7. according to claim 1 or 2 or 3 described aluminum plated PET film moisture-penetrability pick-up units, it is characterized in that, also fix free relay (10) on the described base (1), the described time relay (10) all links to each other with cylinder (65) with above-mentioned water pump (61) by circuit.
8. according to claim 1 or 2 or 3 described aluminum plated PET film moisture-penetrability pick-up units, it is characterized in that, described connection flexible pipe (63) adopts elastomeric material to make, the external diameter of described connection flexible pipe (63) is less than the bore of the import of described shower nozzle (62), is provided with in the described connection flexible pipe (63) to make the periphery wall that connects flexible pipe (63) be close to jump ring on the mouth wall of import of shower nozzle (62).
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| CN201310121157.5A CN103196810B (en) | 2013-04-09 | 2013-04-09 | A kind of aluminum plated PET film moisture-penetrability pick-up unit |
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| CN103196810A true CN103196810A (en) | 2013-07-10 |
| CN103196810B CN103196810B (en) | 2015-10-07 |
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| CN104089865A (en) * | 2014-07-14 | 2014-10-08 | 海宁长宇镀铝材料有限公司 | Multifunctional film detector |
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| CN104568705A (en) * | 2015-01-29 | 2015-04-29 | 海宁汉德袜业有限公司 | Check device for waterproof stockings |
| CN106680173A (en) * | 2016-11-09 | 2017-05-17 | 海宁长宇镀铝材料有限公司 | Clamp for aluminum laminated film moisture penetrability monitoring |
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Address after: 271000 Dongping Economic Development Zone, Shandong, Tai'an Patentee after: Shandong Changyu New Materials Co.,Ltd. Address before: 271000 Dongping Economic Development Zone, Shandong, Tai'an Patentee before: SHANDONG CHANGYU ALUMINIZED MATERIAL Co.,Ltd. |
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