CN104859121A - Device and method for controlling flatness of full-width composite material - Google Patents
Device and method for controlling flatness of full-width composite material Download PDFInfo
- Publication number
- CN104859121A CN104859121A CN201510263846.9A CN201510263846A CN104859121A CN 104859121 A CN104859121 A CN 104859121A CN 201510263846 A CN201510263846 A CN 201510263846A CN 104859121 A CN104859121 A CN 104859121A
- Authority
- CN
- China
- Prior art keywords
- thickness
- extruder
- die head
- amplitude modulation
- plc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/254—Sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/28—Storing of extruded material, e.g. by winding up or stacking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/355—Conveyors for extruded articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92114—Dimensions
- B29C2948/92152—Thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92323—Location or phase of measurement
- B29C2948/92438—Conveying, transporting or storage of articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92323—Location or phase of measurement
- B29C2948/92447—Moulded article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/926—Flow or feed rate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a device and a method for controlling the flatness of a full-width composite material. The device for controlling the flatness of the full-width composite material comprises a thickness gauge, a probe mounting rack, an extruder, a flatness adjusting mechanism, a PLC (programmable logic controller) and a thin film conveying mechanism, wherein a probe of the thickness gauge is arranged on the surface of extrusion composite films through the probe mounting rack; the flatness adjusting mechanism is arranged on the extruder; the flatness adjusting mechanism, the thickness gauge and the extruder are electrically connected with the PLC respectively; the extrusion composite films are conveyed by the thin film conveying mechanism; a die head of the extruder is arranged above the thin film conveying mechanism. The method for controlling the flatness of the full-width composite material comprises the step as follows: thickness uniformity adjustment of a horizontal cross section of each extrusion composite film, thickness uniformity adjustment of a longitudinal cross section of each extrusion composite film and surface flatness adjustment of the stacked extrusion composite films are performed integrally. According to the device and the method, integrated control of the thickness uniformity adjustment of the horizontal cross section of each extrusion composite film, the thickness uniformity adjustment of the longitudinal cross section of each extrusion composite film and the surface flatness adjustment of the stacked extrusion composite films can be realized, and the product quality is effectively improved.
Description
Technical field
The present invention relates to the manufacturing technology field of flexible packing material, particularly the flatness control device of the wide composite of a kind of full width and method.
Background technology
For extruding compound package material, the thickness uniformity and the flatness of extruding composite membrane control to be one of key index affecting packaging material performance and cost, but when high-speed production, the mean error of the Artificial Control extrusion film thickness uniformity is more than 10%, and this can not meet the requirement of compound package material far away.
For extruding composite membrane, the thickness evenness of its lateral cross section, the thickness evenness of longitudinal cross-section, extrude the quality that composite membrane superposition or the surface evenness of curling rear formation all affect final products.
At present, extrude adjustment equipment complex only having the horizontal thickness uniformity, it is only improved the lateral cross section thickness uniformity of monolayer material, but all cannot improve the flatness of the longitudinal cross-section thickness uniformity and coiled material surface of extruding composite membrane.Because die head is in the fabrication process due to the impact of the factor such as the accuracy of manufacture, thermal deformation, die lip gap has certain deviation at width, the surface roughness of die lip can be not quite identical.Also have expressing technique pressure, carbonization point, cleaning die lip mouth that the change of material flowability, high-temperature resin stick on die lip mouth time damage to mould lip surfaces, the became uneven that these factors all can have influence on the plastic sheeting extruded through die head is even.When product batches, the material of became uneven is superimposed upon on original position when take-up, and the surface of coiled material just there will be rough phenomenon, and make batched material thick one thicker, thin person is thinner, is commonly called as the product defects of " quick-fried muscle ".
And the extrusion capacity of extruder die head is controlled, equipment complex adopts usually to the control of extrusion capacity and the method for recombination line synchronous velocity control extruding at present, according to the change of recombination line speed (raising speed, reduction of speed or be stabilized in a certain linear velocity), frequency converter is regulated to control the revolution of motor by certain proportionate relationship.In actual production, there is following defect in this mode: 1, operate under a certain linear velocity, and the rotating speed of frequency converter opened loop control motor can not relation regulate completely at equal pace, causes the longitudinal thickness deviation of film large; 2, recombination line speed is when lifting speed, and the time is short, change is large, and the rotating speed of frequency converter opened loop control motor can not relation regulate more at equal pace, causes the longitudinal thickness deviation of film large.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the flatness control device of the wide composite of a kind of full width is provided, the integrating control that this device can realize extruding the adjustment of the composite membrane lateral cross section thickness uniformity, the longitudinal cross-section thickness uniformity regulates and extrude the surface smoothness adjustment after composite membrane superposition, effectively improves the quality of products.
Another object of the present invention is to provide a kind of flatness control methods of the wide composite of full width realized by said apparatus.
Technical scheme of the present invention is: the flatness control device of the wide composite of a kind of full width, comprise calibrator, probe mounting frame, extruder, flatness governor motion, PLC and film conveying mechanism, the probe of calibrator is located at by probe mounting frame and is extruded composite film surface, extruder is provided with flatness governor motion, flatness governor motion, calibrator and extruder are electrically connected with PLC respectively, extrude composite membrane to be transmitted by film conveying mechanism, the die head of extruder is located at above film conveying mechanism.
Described calibrator is contactless calibrator, and the probe in calibrator moves around along the lateral cross section extruding composite membrane.
Described probe mounting frame is O type frame, and probe is fixing with in O type frame, extrudes the space of composite membrane in the middle part of O type frame and passes.
Described extruder comprises support, screw rod, extruder servomotor and die head, and screw rod and extruder servomotor are all located on support, and die head is located at screw rod one end;
Flatness governor motion comprises die head and to move about assembly, black box, amplitude modulation compensation assembly and servo-driver, the below of extruder die head is located at by black box, black box two ends arrange amplitude modulation compensation assembly respectively, the die head assembly that moves about is located on the support of extruder, the die head assembly that moves about is connected with servo-driver respectively with amplitude modulation compensation assembly, and move about assembly, amplitude modulation compensation assembly of die head is connected with PLC respectively with servo-drive assembly.
The described die head assembly that moves about comprises extruder encoder for servo motor, and extruder encoder for servo motor is located on extruder servomotor, and extruder encoder for servo motor is connected with PLC, and extruder servomotor is connected with servo-driver; Wherein, the machine barrel of extruder driven by servomotor extruder, screw rod and die head carry out moving left and right (current mechanism that this part is existing extruder), in existing die head migration mechanism, extruder encoder for servo motor is set up in the application, by with the coordinating of PLC, the position of extruder die head can be detected in real time;
Amplitude modulation compensation assembly comprises regulon, amplitude modulation servomotor and amplitude modulation encoder for servo motor, regulon one end is located at by amplitude modulation servomotor, amplitude modulation encoder for servo motor is located on amplitude modulation servomotor, amplitude modulation encoder for servo motor is connected with PLC, and amplitude modulation servomotor is connected with servo-driver;
Black box comprises seal, sliding part and fixture, and fixture is fixed on the outside of die head, and seal is connected with fixture by sliding part.
In described amplitude modulation compensation assembly, regulon comprises scale, tooth bar, gear and seal Connection Block, scale is fixed on outside die head by amplitude modulation holder, tooth bar is fixed on bottom scale, wheel and rack is meshed, gear is connected with the output shaft of amplitude modulation servomotor, and gear is located on seal Connection Block by pinion stand, and seal Connection Block is connected with the outer end of black box;
In black box, fixture comprises the upper fixing element and lower fixture that are connected, the junction of upper fixing element and lower fixture is V-shaped, lower fixture both sides have chute, the two ends of sliding part are embedded in chute, sliding part horizontally slips relative to fixture, and seal is fixedly connected with the bottom of sliding part.
Described film conveying mechanism comprises let off roll, composite roll, wind-up roll and multiple live-roller, according to the throughput direction extruding composite membrane, let off roll, composite roll and wind-up roll set gradually, be provided with multiple live-roller between let off roll and composite roll, between composite roll and wind-up roll, be also provided with multiple live-roller; Be the transmission of film substrate between let off roll and composite roll, for extruding the transmission of composite membrane between composite roll and wind-up roll, the die head of extruder is located at above film substrate, and the probe of calibrator is located at and is extruded on composite membrane.Wherein, after let off roll releases film substrate, composite roll is delivered to by live-roller, the die head of extruder extrudes composite to film substrate surface, along with the rotation of composite roll, composite forms composite bed, through the extruding of composite roll in film substrate surface coverage, composite membrane is extruded in final formation, and delivers to wind-up roll by live-roller and carry out rolling process.
In said apparatus structure, PLC is with man-machine interface, extrude the parameter such as primary quantity, compensation rate scope of the thickness rated value of composite membrane, deviation range value, thickness compensation value, the primary quantity of die head position, amount of movement scope and amplitude modulation compensation mechanism position, user can need to arrange in man-machine interface according to actual process, is realized with calculating the comparative analysis of each data by the running software of PLC.
The present invention realizes the flatness control methods of the wide composite of a kind of full width by said apparatus, comprise the integrated lateral cross section thickness uniformity extruding composite membrane of carrying out and regulate, extrude the longitudinal cross-section thickness uniformity adjustment of composite membrane and the surface smoothness adjustment after extruding composite membrane superposition, be specially:
Measured the one-tenth-value thickness 1/10 extruding composite membrane by calibrator in real time, then by PLC, each one-tenth-value thickness 1/10 measuring gained is extracted, obtain lateral cross section one-tenth-value thickness 1/10 and longitudinal cross-section one-tenth-value thickness 1/10 respectively;
Lateral cross section one-tenth-value thickness 1/10 and the one-tenth-value thickness 1/10 preset are analyzed, then analysis result is converted to the adjustment screw regulated quantity at corresponding die head exit place, and then the corresponding width regulating die head exit place, realize the real-time adjustment of extruding composite membrane transverse gage;
Longitudinal cross-section one-tenth-value thickness 1/10 and the one-tenth-value thickness 1/10 preset are analyzed, then analysis result are converted to the screw speed regulated quantity of extruder, and then control the extrusion capacity at extruder die head place, realize the real-time adjustment of extruding composite membrane longitudinal thickness;
Die head moves about assembly to the corresponding position signalling of PLC output die head, amplitude modulation compensation assembly exports the corresponding position signalling of amplitude modulation compensation assembly to PLC, black box is analyzed relative to the compensation rate required for die head by PLC, amplitude modulation compensation assembly band dynamic sealing assembly slides, and makes black box and die head keep synchronous operation.
Wherein, described PLC can adopt the existing control method extruding composite membrane lateral cross section thickness to the method that lateral cross section thickness and the one-tenth-value thickness 1/10 preset are analyzed.
Described PLC comprises the following steps the detailed process that longitudinal cross-section one-tenth-value thickness 1/10 and the one-tenth-value thickness 1/10 preset are analyzed:
(1) in PLC, preset thickness rated value, deviation range value and the thickness compensation value of extruding composite membrane;
(2) thickness of composite membrane extruded by calibrator by probe on-line measurement, and extruding on composite membrane in unit length obtains N thickness measurements, and each thickness measurements comprises M thickness measurements, and each thickness measurements is delivered to PLC;
Wherein, N time thickness measurements is in vertical unit length, is positioned at the thickness extruding composite membrane in N number of different length value; M thickness measurements is in vertical unit length, is positioned at the thickness extruding composite membrane in same length value lateral cross section, and M thickness measurements is corresponding with the adjustment screw number at die head exit place;
(3) after PLC reads each thickness measurements, a thickness measurements is extracted in each thickness measurements, form longitudinal thickness measurement set, calculate the mean value of longitudinal thickness measurement set, then mean value and the thickness rated value preset are analyzed, calculated thickness departure;
(4) judge whether thickness deviation amount exceeds the deviation range value preset; If departure does not exceed deviation range value, then PLC stops calculating, and returns step (2); If departure exceedes deviation range value, then PLC is in conjunction with thickness compensation value, carries out the calculating of thickness compensation number of times;
(5) in conjunction with the screw speed of extruder, PLC converts the thickness compensation number of times obtained the compensation number of times of screw speed to, calculate each compensation rate of screw speed, then the compensation number of times of screw speed and each compensation rate is sent to extruder drive motors, controlled the extrusion capacity of die head by the rotating speed adjusting screw rod, thus regulate the longitudinal thickness uniformity extruding composite membrane.
In described step (4), when departure exceedes deviation range value, comprise and extrude the partially thick and partially thin two kinds of situations of composite membrane, namely departure is greater than the lower limit that the upper limit of deviation range value or departure are less than deviation range value; When PLC carries out the calculating of thickness compensation number of times, first departure and deviation range value are contrasted, calculate difference, by difference divided by thickness compensation value, then obtain thickness compensation number of times.
Described PLC is specific as follows to the adjustment process extruding composite membrane superposition rear surface flatness:
Extruder encoder for servo motor detects the corresponding position signalling of die head that extruder servomotor exports, amplitude modulation encoder for servo motor detects the corresponding position signalling of amplitude modulation compensation mechanism that amplitude modulation servomotor exports, then PLC is sent to respectively, by PLC computational analysis black box relative to the compensation rate required for extruder die head, compensation rate is flowed to amplitude modulation servomotor, run by amplitude modulation driven by servomotor amplitude modulation compensation mechanism, band dynamic sealing assembly slides, itself and extruder die head is made to keep synchronous operation, thus form unnecessary rim charge extruding composite membrane both sides when preventing die head from moving left and right.
The present invention, relative to prior art, has following beneficial effect:
The integrating control that the flatness control device of the wide composite of this full width and method can realize extruding the adjustment of the composite membrane lateral cross section thickness uniformity, the longitudinal cross-section thickness uniformity regulates and extrude the surface smoothness adjustment after composite membrane superposition, effectively improves the quality of products.
In the flatness control device of the wide composite of this full width, by arranging calibrator and PLC on the production line extruding composite membrane, achieve the on-line measurement of extruding composite membrane transverse gage and longitudinal thickness, and pass through obtained measured value and adjust the extrusion capacity of extruder die head and the width of die head exit corresponding points in real time, thus regulate longitudinal thickness and the transverse gage of extruding composite membrane, longitudinal thickness uniformity and the transverse gage uniformity of composite membrane are extruded in effective raising, are conducive to improving the indices such as surface evenness and mechanical property comprising material.
In the flatness control device of the wide composite of this full width, flatness governor motion principle is simple, to be moved about by die head the cooperation of assembly, amplitude modulation compensation assembly and PLC three, the synchronous operation between extruder die head and black box can be realized preferably, the surface smoothness after extruding composite membrane superposition is improved by moving left and right of extruder die head, prevent extruding the composite membrane left and right sides by black box simultaneously and form unnecessary rim charge, save material cost, also can reduce follow-up rim charge treatment process; Effectively can control the surface evenness after extruding composite membrane superposition simultaneously, prevent product surface from occurring rough phenomenon.
The flatness control device of the wide composite of this full width carries out improving on the production equipment that tradition extrudes composite membrane, its principle is simple, good with the existing compatibility extruding composite membrane production equipment, test result accurately and fast, be conducive to reducing the production cost extruding composite membrane, and enhance productivity.
Accompanying drawing explanation
Fig. 1 is the structural representation (flatness governor motion is not shown) of the flatness control device of the wide composite of this full width.
Fig. 2 is the method flow diagram that PLC carries out when longitudinal thickness regulates.
Fig. 3 is the principle schematic of flatness governor motion.
Fig. 4 is amplitude modulation compensation assembly and the installment state schematic diagram of black box at die head place.
Fig. 5 is the structural representation of amplitude modulation compensation assembly.
Fig. 6 is the B direction view of Fig. 5.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
The flatness control device of the wide composite of a kind of full width of the present embodiment, as shown in Figure 1, comprise calibrator (not shown overall structure), probe mounting frame 2, extruder 3, flatness governor motion, PLC (not shown) and film conveying mechanism, the probe 1 of calibrator is located at by probe mounting frame and is extruded composite membrane 4 surface, extruder is provided with flatness governor motion, flatness governor motion, calibrator and extruder are electrically connected with PLC respectively, extrude composite membrane to be transmitted by film conveying mechanism, the die head of extruder is located at above film conveying mechanism.
Calibrator is contactless calibrator, and the probe in calibrator moves around along the lateral cross section extruding composite membrane.Probe is transverse thick angle value along extruding the composite membrane lateral cross section measured one-tenth-value thickness 1/10 that moves around, and along with extruding being fed forward of composite membrane, popping one's head in extruding the one-tenth-value thickness 1/10 that composite membrane different length records is longitudinal thickness value.
Probe mounting frame is O type frame, and probe is fixing with in O type frame, extrudes the space of composite membrane in the middle part of O type frame and passes.
Extruder comprises support, screw rod, extruder servomotor and die head 5, and screw rod and extruder servomotor are all located on support, and die head is located at screw rod one end;
As shown in Figure 4, flatness governor motion comprises die head and to move about assembly (not shown), black box 11, amplitude modulation compensation assembly 12 and servo-driver, the below of extruder die head is located at by black box, black box two ends arrange amplitude modulation compensation assembly respectively, the die head assembly that moves about is located on the support of extruder, the die head assembly that moves about is connected with servo-driver respectively with amplitude modulation compensation assembly, and move about assembly, amplitude modulation compensation assembly of die head is connected with PLC respectively with servo-drive assembly.
As shown in Figure 3, the die head assembly that moves about comprises extruder encoder for servo motor, and extruder encoder for servo motor is located on extruder servomotor, and extruder encoder for servo motor is connected with PLC, and extruder servomotor is connected with servo-driver; Wherein, the machine barrel of extruder driven by servomotor extruder, screw rod and die head carry out moving left and right (current mechanism that this part is existing extruder), in existing die head migration mechanism, extruder encoder for servo motor is set up in the application, by with the coordinating of PLC, the position of extruder die head can be detected in real time;
Amplitude modulation compensation assembly comprises regulon, amplitude modulation servomotor and amplitude modulation encoder for servo motor, regulon one end is located at by amplitude modulation servomotor, amplitude modulation encoder for servo motor is located on amplitude modulation servomotor, amplitude modulation encoder for servo motor is connected with PLC, and amplitude modulation servomotor is connected with servo-driver;
As shown in Figure 6, black box comprises seal 13, sliding part 14 and fixture 15, and fixture is fixed on the outside of die head, and seal is connected with fixture by sliding part.
In amplitude modulation compensation assembly, as shown in Figure 5 or Figure 6, regulon comprises scale 16, tooth bar 17, gear 18 and seal Connection Block 19, scale is fixed on outside die head by amplitude modulation holder, tooth bar is fixed on bottom scale, and wheel and rack is meshed, and gear is connected with the output shaft 21 of amplitude modulation servomotor 20, gear is located on seal Connection Block by pinion stand, and seal Connection Block is connected with the outer end of black box; During amplitude modulation compensation mechanism assembly, its detailed process is: the output shaft driven gear of amplitude modulation servomotor rotates, due to wheel and rack engagement, therefore gear drives the seal in amplitude modulation servomotor, seal Connection Block, black box and sliding part to move by pinion stand, in moving process, the scale on scale shows its amount of movement;
In black box, fixture comprises the upper fixing element and lower fixture that are connected, the junction of upper fixing element and lower fixture is V-shaped, lower fixture both sides have chute, the two ends of sliding part are embedded in chute, sliding part horizontally slips relative to fixture, and seal is fixedly connected with the bottom of sliding part.
Film conveying mechanism comprises let off roll 6, composite roll 7, wind-up roll 8 and multiple live-roller 9, according to the throughput direction extruding composite membrane, let off roll, composite roll and wind-up roll set gradually, be provided with multiple live-roller between let off roll and composite roll, between composite roll and wind-up roll, be also provided with multiple live-roller; Be the transmission of film substrate 10 between let off roll and composite roll, for extruding the transmission of composite membrane 4 between composite roll and wind-up roll, the die head of extruder is located at above film substrate, and the probe of calibrator is located at and is extruded on composite membrane.Wherein, after let off roll releases film substrate, composite roll is delivered to by live-roller, the die head of extruder extrudes composite to film substrate surface, along with the rotation of composite roll, composite forms composite bed, through the extruding of composite roll in film substrate surface coverage, composite membrane is extruded in final formation, and delivers to wind-up roll by live-roller and carry out rolling process.
In said apparatus structure, PLC is with man-machine interface (HIMI), extrude the parameter such as primary quantity, compensation rate scope of the thickness rated value of composite membrane, deviation range value, thickness compensation value, the primary quantity of die head position, amount of movement scope and amplitude modulation compensation mechanism position, user can need to arrange in man-machine interface according to actual process, is realized with calculating the comparative analysis of each data by the running software of PLC.
Embodiment 2
The present embodiment realizes the flatness control methods of the wide composite of a kind of full width by device described in embodiment 1, comprise the integrated lateral cross section thickness uniformity extruding composite membrane of carrying out and regulate, extrude the longitudinal cross-section thickness uniformity adjustment of composite membrane and the surface smoothness adjustment after extruding composite membrane superposition, be specially:
Measured the one-tenth-value thickness 1/10 extruding composite membrane by calibrator in real time, then by PLC, each one-tenth-value thickness 1/10 measuring gained is extracted, obtain lateral cross section one-tenth-value thickness 1/10 and longitudinal cross-section one-tenth-value thickness 1/10 respectively;
Lateral cross section one-tenth-value thickness 1/10 and the one-tenth-value thickness 1/10 preset are analyzed, then analysis result is converted to the adjustment screw regulated quantity at corresponding die head exit place, and then the corresponding width regulating die head exit place, realize the real-time adjustment of extruding composite membrane transverse gage;
Longitudinal cross-section one-tenth-value thickness 1/10 and the one-tenth-value thickness 1/10 preset are analyzed, then analysis result are converted to the screw speed regulated quantity of extruder, and then control the extrusion capacity at extruder die head place, realize the real-time adjustment of extruding composite membrane longitudinal thickness;
Die head moves about assembly to the corresponding position signalling of PLC output die head, amplitude modulation compensation assembly exports the corresponding position signalling of amplitude modulation compensation assembly to PLC, black box is analyzed relative to the compensation rate required for die head by PLC, amplitude modulation compensation assembly band dynamic sealing assembly slides, and makes black box and die head keep synchronous operation.
Wherein, PLC can adopt the existing control method extruding composite membrane lateral cross section thickness to the method that lateral cross section thickness and the one-tenth-value thickness 1/10 preset are analyzed.
The detailed process that PLC is analyzed longitudinal cross-section one-tenth-value thickness 1/10 and the one-tenth-value thickness 1/10 that presets as shown in Figure 2, comprises the following steps:
(1) in PLC, preset thickness rated value, deviation range value and the thickness compensation value of extruding composite membrane;
(2) thickness of composite membrane extruded by calibrator by probe on-line measurement, and extruding on composite membrane in unit length obtains N thickness measurements, and each thickness measurements comprises M thickness measurements, and each thickness measurements is delivered to PLC;
Wherein, N time thickness measurements is in vertical unit length, is positioned at the thickness (i.e. longitudinal thickness measured value) extruding composite membrane in N number of different length value; M thickness measurements is in vertical unit length, and be positioned at the thickness (i.e. transverse gage measured value) extruding composite membrane in same length value lateral cross section, M thickness measurements is corresponding with the adjustment screw number at die head exit place;
(3) after PLC reads each thickness measurements, a thickness measurements is extracted in each thickness measurements, form longitudinal thickness measurement set, calculate the mean value of longitudinal thickness measurement set, then mean value and the thickness rated value preset are analyzed, calculated thickness departure;
(4) judge whether thickness deviation amount exceeds the deviation range value preset; If departure does not exceed deviation range value, then PLC stops calculating, and returns step (2); If departure exceedes deviation range value and (comprises and extrude the partially thick and partially thin two kinds of situations of composite membrane, namely departure is greater than the lower limit that the upper limit of deviation range value or departure are less than deviation range value), then PLC is in conjunction with thickness compensation value, carry out the calculating of thickness compensation number of times, be specially: when PLC carries out the calculating of thickness compensation number of times, first departure and deviation range value are contrasted, calculate difference, by difference divided by thickness compensation value, then obtain thickness compensation number of times;
(5) in conjunction with the screw speed of extruder, PLC converts the thickness compensation number of times obtained the compensation number of times of screw speed to, calculate each compensation rate of screw speed, then the compensation number of times of screw speed and each compensation rate is sent to extruder drive motors, controlled the extrusion capacity of die head by the rotating speed adjusting screw rod, thus regulate the longitudinal thickness uniformity extruding composite membrane.
PLC is to extruding the adjustment process of composite membrane superposition rear surface flatness as shown in Figure 3, specific as follows:
Extruder encoder for servo motor detects the corresponding position signalling of die head that extruder servomotor exports, amplitude modulation encoder for servo motor detects the corresponding position signalling of amplitude modulation compensation mechanism that amplitude modulation servomotor exports, then PLC is sent to respectively, by PLC computational analysis black box relative to the compensation rate required for extruder die head, compensation rate is flowed to amplitude modulation servomotor, run by amplitude modulation driven by servomotor amplitude modulation compensation mechanism, band dynamic sealing assembly slides, itself and extruder die head is made to keep synchronous operation, thus form unnecessary rim charge extruding composite membrane both sides when preventing die head from moving left and right.
As mentioned above, just can realize the present invention preferably, above-described embodiment is only preferred embodiment of the present invention, is not used for limiting practical range of the present invention; Namely all equalizations done according to content of the present invention change and modify, all by the claims in the present invention scope required for protection is contained.
Claims (10)
1. the flatness control device of the wide composite of full width, it is characterized in that, comprise calibrator, probe mounting frame, extruder, flatness governor motion, PLC and film conveying mechanism, the probe of calibrator is located at by probe mounting frame and is extruded composite film surface, extruder is provided with flatness governor motion, flatness governor motion, calibrator and extruder are electrically connected with PLC respectively, extrude composite membrane to be transmitted by film conveying mechanism, the die head of extruder is located at above film conveying mechanism.
2. the flatness control device of the wide composite of full width according to claim 1, it is characterized in that, described calibrator is contactless calibrator, and the probe in calibrator moves around along the lateral cross section extruding composite membrane.
3. the flatness control device of the wide composite of full width according to claim 2, is characterized in that,
Described probe mounting frame is O type frame, and probe is fixing with in O type frame, extrudes the space of composite membrane in the middle part of O type frame and passes.
4. the flatness control device of the wide composite of full width according to claim 1, it is characterized in that, described extruder comprises support, screw rod, extruder servomotor and die head, and screw rod and extruder servomotor are all located on support, and die head is located at screw rod one end;
Flatness governor motion comprises die head and to move about assembly, black box, amplitude modulation compensation assembly and servo-driver, the below of extruder die head is located at by black box, black box two ends arrange amplitude modulation compensation assembly respectively, the die head assembly that moves about is located on the support of extruder, the die head assembly that moves about is connected with servo-driver respectively with amplitude modulation compensation assembly, and move about assembly, amplitude modulation compensation assembly of die head is connected with PLC respectively with servo-drive assembly.
5. the flatness control device of the wide composite of full width according to claim 4, it is characterized in that, the described die head assembly that moves about comprises extruder encoder for servo motor, extruder encoder for servo motor is located on extruder servomotor, extruder encoder for servo motor is connected with PLC, and extruder servomotor is connected with servo-driver;
Amplitude modulation compensation assembly comprises regulon, amplitude modulation servomotor and amplitude modulation encoder for servo motor, regulon one end is located at by amplitude modulation servomotor, amplitude modulation encoder for servo motor is located on amplitude modulation servomotor, amplitude modulation encoder for servo motor is connected with PLC, and amplitude modulation servomotor is connected with servo-driver;
Black box comprises seal, sliding part and fixture, and fixture is fixed on the outside of die head, and seal is connected with fixture by sliding part.
6. the flatness control device of the wide composite of full width according to claim 5, it is characterized in that, in described amplitude modulation compensation assembly, regulon comprises scale, tooth bar, gear and seal Connection Block, and scale is fixed on outside die head by amplitude modulation holder, and tooth bar is fixed on bottom scale, wheel and rack is meshed, gear is connected with the output shaft of amplitude modulation servomotor, and gear is located on seal Connection Block by pinion stand, and seal Connection Block is connected with the outer end of black box;
In black box, fixture comprises the upper fixing element and lower fixture that are connected, the junction of upper fixing element and lower fixture is V-shaped, lower fixture both sides have chute, the two ends of sliding part are embedded in chute, sliding part horizontally slips relative to fixture, and seal is fixedly connected with the bottom of sliding part.
7. the flatness control device of the wide composite of full width according to claim 1, it is characterized in that, described film conveying mechanism comprises let off roll, composite roll, wind-up roll and multiple live-roller, according to the throughput direction extruding composite membrane, let off roll, composite roll and wind-up roll set gradually, be provided with multiple live-roller between let off roll and composite roll, between composite roll and wind-up roll, be also provided with multiple live-roller; Be the transmission of film substrate between let off roll and composite roll, for extruding the transmission of composite membrane between composite roll and wind-up roll, the die head of extruder is located at above film substrate, and the probe of calibrator is located at and is extruded on composite membrane.
8. by the flatness control methods of the wide composite of full width of device realization described in any one of claim 4 ~ 7, it is characterized in that, comprise the integrated lateral cross section thickness uniformity extruding composite membrane of carrying out and regulate, extrude the longitudinal cross-section thickness uniformity adjustment of composite membrane and the surface smoothness adjustment after extruding composite membrane superposition, be specially:
Measured the one-tenth-value thickness 1/10 extruding composite membrane by calibrator in real time, then by PLC, each one-tenth-value thickness 1/10 measuring gained is extracted, obtain lateral cross section one-tenth-value thickness 1/10 and longitudinal cross-section one-tenth-value thickness 1/10 respectively;
Lateral cross section one-tenth-value thickness 1/10 and the one-tenth-value thickness 1/10 preset are analyzed, then analysis result is converted to the adjustment screw regulated quantity at corresponding die head exit place, and then the corresponding width regulating die head exit place, realize the real-time adjustment of extruding composite membrane transverse gage;
Longitudinal cross-section one-tenth-value thickness 1/10 and the one-tenth-value thickness 1/10 preset are analyzed, then analysis result are converted to the screw speed regulated quantity of extruder, and then control the extrusion capacity at extruder die head place, realize the real-time adjustment of extruding composite membrane longitudinal thickness;
Die head moves about assembly to the corresponding position signalling of PLC output die head, amplitude modulation compensation assembly exports the corresponding position signalling of amplitude modulation compensation assembly to PLC, black box is analyzed relative to the compensation rate required for die head by PLC, amplitude modulation compensation assembly band dynamic sealing assembly slides, and makes black box and die head keep synchronous operation.
9. the flatness control methods of the wide composite of full width according to claim 8, is characterized in that, described PLC comprises the following steps the detailed process that longitudinal cross-section one-tenth-value thickness 1/10 and the one-tenth-value thickness 1/10 preset are analyzed:
(1) in PLC, preset thickness rated value, deviation range value and the thickness compensation value of extruding composite membrane;
(2) thickness of composite membrane extruded by calibrator by probe on-line measurement, and extruding on composite membrane in unit length obtains N thickness measurements, and each thickness measurements comprises M thickness measurements, and each thickness measurements is delivered to PLC;
Wherein, N time thickness measurements is in vertical unit length, is positioned at the thickness extruding composite membrane in N number of different length value; M thickness measurements is in vertical unit length, is positioned at the thickness extruding composite membrane in same length value lateral cross section, and M thickness measurements is corresponding with the adjustment screw number at die head exit place;
(3) after PLC reads each thickness measurements, a thickness measurements is extracted in each thickness measurements, form longitudinal thickness measurement set, calculate the mean value of longitudinal thickness measurement set, then mean value and the thickness rated value preset are analyzed, calculated thickness departure;
(4) judge whether thickness deviation amount exceeds the deviation range value preset; If departure does not exceed deviation range value, then PLC stops calculating, and returns step (2); If departure exceedes deviation range value, then PLC is in conjunction with thickness compensation value, carries out the calculating of thickness compensation number of times;
(5) in conjunction with the screw speed of extruder, PLC converts the thickness compensation number of times obtained the compensation number of times of screw speed to, calculate each compensation rate of screw speed, then the compensation number of times of screw speed and each compensation rate is sent to extruder drive motors, controlled the extrusion capacity of die head by the rotating speed adjusting screw rod, thus regulate the longitudinal thickness uniformity extruding composite membrane.
10. the flatness control methods of the wide composite of full width according to claim 8, is characterized in that, described PLC is specific as follows to the adjustment process extruding composite membrane superposition rear surface flatness:
Extruder encoder for servo motor detects the corresponding position signalling of die head that extruder servomotor exports, amplitude modulation encoder for servo motor detects the corresponding position signalling of amplitude modulation compensation mechanism that amplitude modulation servomotor exports, then PLC is sent to respectively, by PLC computational analysis black box relative to the compensation rate required for extruder die head, compensation rate is flowed to amplitude modulation servomotor, run by amplitude modulation driven by servomotor amplitude modulation compensation mechanism, band dynamic sealing assembly slides, itself and extruder die head is made to keep synchronous operation, thus form unnecessary rim charge extruding composite membrane both sides when preventing die head from moving left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510263846.9A CN104859121B (en) | 2015-05-20 | 2015-05-20 | Device and method for controlling flatness of full-width composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510263846.9A CN104859121B (en) | 2015-05-20 | 2015-05-20 | Device and method for controlling flatness of full-width composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104859121A true CN104859121A (en) | 2015-08-26 |
| CN104859121B CN104859121B (en) | 2017-04-12 |
Family
ID=53905496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510263846.9A Active CN104859121B (en) | 2015-05-20 | 2015-05-20 | Device and method for controlling flatness of full-width composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104859121B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099083A (en) * | 2017-12-25 | 2018-06-01 | 福州福启橡塑有限公司 | A kind of sheet rubber extrusion molding production line |
| CN110466129A (en) * | 2019-09-10 | 2019-11-19 | 于志宏 | A kind of rubber fastening band extruder |
| CN112873783A (en) * | 2021-02-01 | 2021-06-01 | 吴刚 | Forming device and process for producing gelatin composite geomembrane |
| CN116476351A (en) * | 2023-04-25 | 2023-07-25 | 山东鑫达鲁鑫防水工程有限公司 | Polyvinyl chloride PVC waterproofing membrane preparation system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001301011A (en) * | 2000-04-24 | 2001-10-30 | Sekisui Chem Co Ltd | Thickness controller for film |
| CN102173193A (en) * | 2010-12-30 | 2011-09-07 | 东莞市博森印刷器材有限公司 | Control system and method for printing paper or coating film |
| CN202336999U (en) * | 2011-11-21 | 2012-07-18 | 浙江普利金塑胶有限责任公司 | Automatic film thickness adjusting device of polyvinyl butyral (PVB) film extruder |
| CN203172007U (en) * | 2013-03-27 | 2013-09-04 | 陈庆明 | Plastic film production device capable of automatically controlling thickness |
| CN203766002U (en) * | 2014-04-03 | 2014-08-13 | 山东胜通集团股份有限公司 | Online thickness detection control system of polyester optical films |
| CN204687301U (en) * | 2015-05-20 | 2015-10-07 | 江门市辉隆塑料机械有限公司 | The flatness control device of the wide composite of full width |
-
2015
- 2015-05-20 CN CN201510263846.9A patent/CN104859121B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001301011A (en) * | 2000-04-24 | 2001-10-30 | Sekisui Chem Co Ltd | Thickness controller for film |
| CN102173193A (en) * | 2010-12-30 | 2011-09-07 | 东莞市博森印刷器材有限公司 | Control system and method for printing paper or coating film |
| CN202336999U (en) * | 2011-11-21 | 2012-07-18 | 浙江普利金塑胶有限责任公司 | Automatic film thickness adjusting device of polyvinyl butyral (PVB) film extruder |
| CN203172007U (en) * | 2013-03-27 | 2013-09-04 | 陈庆明 | Plastic film production device capable of automatically controlling thickness |
| CN203766002U (en) * | 2014-04-03 | 2014-08-13 | 山东胜通集团股份有限公司 | Online thickness detection control system of polyester optical films |
| CN204687301U (en) * | 2015-05-20 | 2015-10-07 | 江门市辉隆塑料机械有限公司 | The flatness control device of the wide composite of full width |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099083A (en) * | 2017-12-25 | 2018-06-01 | 福州福启橡塑有限公司 | A kind of sheet rubber extrusion molding production line |
| CN110466129A (en) * | 2019-09-10 | 2019-11-19 | 于志宏 | A kind of rubber fastening band extruder |
| CN112873783A (en) * | 2021-02-01 | 2021-06-01 | 吴刚 | Forming device and process for producing gelatin composite geomembrane |
| CN112873783B (en) * | 2021-02-01 | 2022-12-13 | 泸州胜扬新材料有限公司 | Forming device and process for producing gelatin composite geomembrane |
| CN116476351A (en) * | 2023-04-25 | 2023-07-25 | 山东鑫达鲁鑫防水工程有限公司 | Polyvinyl chloride PVC waterproofing membrane preparation system |
| CN116476351B (en) * | 2023-04-25 | 2023-09-26 | 山东鑫达鲁鑫防水工程有限公司 | Polyvinyl chloride PVC waterproofing membrane preparation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104859121B (en) | 2017-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104827646A (en) | Device and method for regulating longitudinal thickness evenness of extrusion compound film | |
| CN104859121A (en) | Device and method for controlling flatness of full-width composite material | |
| CN204687330U (en) | Extrude longitudinal thickness uniformity adjusting device of composite membrane | |
| CN101537552B (en) | Online measurement and control method and device of filling ratio of flux-cored wire forming machine | |
| CN208946717U (en) | The high filling calendering formation diaphragm unit of stone modeling | |
| CN101585058A (en) | Band steel stretch-bending straightening system capable of controlling elongation rate and control method thereof | |
| US11213986B2 (en) | Method for determining an actual volume of an injection moldable compound in an injection molding process | |
| CN204687301U (en) | The flatness control device of the wide composite of full width | |
| CN202021828U (en) | Winding production line for tread of engineering radial tire | |
| CN207696840U (en) | A kind of on-line automatic control device of thermoplasticity prepreg | |
| CN103213280B (en) | Intelligent rapid formation flow control method based on line width measurement | |
| CN104002417A (en) | Winding film tape-casting production line | |
| CN103707547B (en) | A kind of on-line calibration tablet machine pinch roller and the method for filling mechanism position | |
| US5409647A (en) | Process for the production of hollow bodies from thermoplastic material | |
| CN204160745U (en) | A kind of electromechanical integrated device for extruded rubber goods | |
| CN108284583B (en) | The automatic of glue, which is covered, suitable for large-scale rubber roller covers adhesive process | |
| CN108058374B (en) | Transient conveying system for filamentous consumable materials of FDM (fused deposition modeling) rapid forming machine and control method thereof | |
| CN109466115A (en) | Adjustable plastic traceless forming and packaging equipment, system and method | |
| CN210681419U (en) | Tape reel control device of raw material tape winding machine | |
| CN204650238U (en) | Extrude the superposition flatness adjusting device of composite membrane | |
| JPS59103735A (en) | Formation of extruded piece of thermoplastic resin | |
| CN107745498A (en) | A kind of rubber conveyer belt extrusion device | |
| CN204936456U (en) | A kind of blown film printing rolling all-in-one of improvement | |
| CN107962768A (en) | Automatically control the winding surface coating machine operating system and method for covering colloid amount | |
| CN207359574U (en) | A kind of injection molding machine servo-drive warning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Flatness control device and method for full width composite materials Effective date of registration: 20230407 Granted publication date: 20170412 Pledgee: Bank of China Limited by Share Ltd. Jiangmen branch Pledgor: HUILONG PLASTICS MACHINERY Co.,Ltd. Registration number: Y2023980037603 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |