WO2012077457A1 - 板状物の搬送量検出装置及び板状物の切断装置並びに板状物の搬送量検出方法及び板状物の切線加工装置並びに板状物の切線加工方法 - Google Patents
板状物の搬送量検出装置及び板状物の切断装置並びに板状物の搬送量検出方法及び板状物の切線加工装置並びに板状物の切線加工方法 Download PDFInfo
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- WO2012077457A1 WO2012077457A1 PCT/JP2011/075985 JP2011075985W WO2012077457A1 WO 2012077457 A1 WO2012077457 A1 WO 2012077457A1 JP 2011075985 W JP2011075985 W JP 2011075985W WO 2012077457 A1 WO2012077457 A1 WO 2012077457A1
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- Prior art keywords
- plate
- cutting
- roller
- amount
- cutting line
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/0235—Ribbons
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/037—Controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
- C03B35/16—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by roller conveyors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/04—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/06—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness specially adapted for measuring length or width of objects while moving
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/04—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
Definitions
- the present invention relates to a plate-shaped material conveyance amount detection device, a plate-shaped material cutting device, a plate-shaped material conveyance amount detection method, a plate-shaped material cutting device, and a plate-shaped material cutting method.
- a manufacturing method called a float method disclosed in Patent Document 1 is known.
- This float method is a manufacturing method in which molten glass is poured onto tin in a molten tin bath, the molten glass is spread on tin to form a glass ribbon, and finally formed into a strip-shaped plate glass having a predetermined plate thickness.
- the strip-shaped plate glass formed in the molten tin bath is drawn out to a slow cooling unit installed on the downstream side of the molten tin bath, cooled to a predetermined temperature here, and then transferred to a folding device by a conveying means such as a roller conveyor. It is continuously conveyed and cut and folded into a glass plate of a desired size.
- the cut and folded glass plates are conveyed to a predetermined storage unit by a roller conveyor, where they are stored one by one on a pallet or the like, and sampled as a product or an intermediate product.
- the cutting and folding device is composed of a cutting device installed on the upstream side in the conveying direction of the belt-like plate glass and a folding device installed on the downstream side thereof.
- the severing device is composed of a vertical slicing machine installed on the upstream side in the transport direction of the belt-shaped plate glass and a horizontal slicing machine installed on the downstream side in the transporting direction.
- a longitudinal cut line parallel to the conveyance direction of the plate glass is processed into a strip-shaped plate glass
- a transverse cut line perpendicular to the conveyance direction of the strip-shaped plate glass is processed into a strip-shaped plate glass on the downstream side by a cutter of a horizontal cutting line processing machine.
- the slicing process is performed for the purpose of collecting a plurality of glass plates having different sizes from a strip-shaped plate glass that has been gradually cooled in a slow cooling section at a time without waste.
- a plurality of vertical slicing machines are installed side by side, and a horizontal slicing machine is installed on the downstream side of the slicing machine, and the severing operation of the cutter of each severing machine is started / stopped.
- a cutting line for picking a plurality of glass plates of a desired size from the belt-shaped plate glass being conveyed is processed into a belt-shaped plate glass.
- a conveyance speed detection device there is known a conveyance amount detection device that detects a belt plate glass conveyance speed based on a rotation amount of the roller that contacts a belt plate glass being conveyed and rotates following the conveyance of the belt plate glass. It has been.
- This transport amount detection device detects the rotation amount of a roller by an encoder, and counts the number of pulses output from the encoder by a pulse counter. Then, when the counted number of pulses reaches a predetermined number of pulses stored in advance as the cutting line processing start time, the control unit controls the cutter driving unit so as to start the cutting line processing by the cutter.
- the roller is composed of a metal roller body and a rubber or resin sheet lining the outer peripheral surface of the roller body. This sheet serves as a cushioning material so that the surface of the belt-like plate glass is not damaged due to the contact of the roller.
- Patent Document 2 discloses a film (plate-like) transport amount detection device that is not a belt-like plate glass.
- This transport amount detection device is composed of a free roller that rotates following the transport of a film, and an encoder that detects the rotation of the free roller.
- the roller thermally expands and contracts according to the change in the ambient temperature, and the roller diameter and angular velocity ⁇ change. For this reason, since the rotation amount of the roller fluctuates, there is a problem that it is impossible to accurately detect the conveyance amount of the plate-like object.
- the present invention has been made in view of such circumstances, and a plate-shaped material conveyance amount detection device, a plate-shaped material cutting device, and a plate-shaped material conveyance that can cut a plate-shaped material with high dimensional accuracy. It is an object of the present invention to provide a quantity detection method, a plate-like material cutting device, and a plate-like material cutting method.
- the present invention provides a roller that rotates in contact with a conveyed plate-like object, a signal generating means that generates a signal corresponding to the amount of rotation of the roller, and the above-described signal based on the signal.
- Calculation means for calculating the transport amount of the plate-like object cutting line processing means for traveling along the guide frame to process a cut line on the plate-like object, and two adjacent cutting lines of the plate-like object subjected to the cut line processing
- Measuring means for measuring an interval of the interval a reference interval of the interval is stored, the reference interval is compared with the interval measured by the measuring unit, and a change in the interval measured by the measuring unit with respect to the reference interval
- a correction control unit that calculates a correction value corresponding to the amount of change and corrects the conveyance amount of the plate-like material by the calculation unit based on the correction value.
- a quantity detection device is provided.
- the present invention makes a roller contact with a plate-like object to be conveyed, rotates the roller, and conveys the plate-like object based on a signal generated according to the rotation amount of the roller. Detects the amount, measures the interval between two adjacent cut lines of the plate-like object whose cut line has been processed by the cutting line processing means, and calculates a correction value based on the measured change amount of the interval with respect to the reference interval And the conveyance amount detection method of the plate-shaped object which correct
- the correction control unit when information indicating the interval between the two cut lines measured by the measuring means is output to the correction control unit, the correction control unit compares the interval with a pre-stored reference interval. Then, a change amount of the interval measured by the measuring unit with respect to the reference interval is obtained. Then, the correction control unit calculates a correction value corresponding to the change amount, and corrects the transport amount of the plate-like object by the calculation unit based on the correction value.
- the present invention provides a roller that rotates in contact with a conveyed plate-like object, a signal generating means that generates a signal corresponding to the amount of rotation of the roller, and the above-described signal based on the signal.
- An arithmetic means for calculating the transport amount of the plate-like object, a cutting line processing means for traveling along the guide frame and processing a cut line on the plate-like object, and a folding member for breaking the plate-like object along the cut line.
- the length is compared to obtain a change amount of the length measured by the measuring means with respect to the reference length, a correction value corresponding to the change amount is calculated, and based on the correction value, the calculation means Correct the transport amount of the plate Providing the conveyance amount detecting apparatus of the platelet with a correction control unit.
- the present invention makes a roller contact with a plate-like object to be conveyed, rotates the roller, and conveys the plate-like object based on a signal generated according to the rotation amount of the roller.
- the amount is detected, the cutting line is processed into the plate-like object by the cutting line processing unit, the plate-like object is folded along the cutting line by the folding unit, and the cutting line of the folded plate-like object is
- the length in the orthogonal direction is measured by the measuring means, a correction value is calculated based on the amount of change of the length measured by the measuring means with respect to the reference length of the length, and the plate is calculated based on the correction value.
- a method for detecting a conveyance amount of a plate-like object that corrects the conveyance amount of the object.
- the correction control unit when information indicating the length of the plate-like object measured in the direction orthogonal to the cutting line is output to the correction control unit, stores the length in advance. The amount of change in the length measured by the measuring unit with respect to the reference length is obtained by comparing with the reference length. Then, the correction control unit calculates a correction value corresponding to the change amount, and corrects the transport amount of the plate-like object by the calculation unit based on the correction value.
- the present invention provides a plate-like material cutting device provided with the plate-shaped material conveyance amount detection device of the present invention.
- the plate-like material cutting device of the present invention can cut a plate-like material with high dimensional accuracy.
- the present invention travels along a guide frame, a roller that rotates in contact with a conveyed plate-like object, a signal generating means that generates a signal corresponding to the amount of rotation of the roller, and the like.
- a cutting line processing means for processing a cutting line on the plate-like object, a control means for controlling a cutting line start time of the plate-like object by the cutting line processing means based on the signal, and the plate-like object subjected to the cutting process.
- Measuring means for measuring an interval between two adjacent cut lines a reference interval of the interval is stored, the reference interval is compared with the interval measured by the measuring means, and the measuring means for the reference interval
- a correction control unit that calculates a change amount of the interval measured by the step, calculates a correction value corresponding to the change amount, and corrects the severing start time by the control means based on the correction value.
- Board Providing tangential machining device of the object.
- the present invention makes a roller contact with a plate-like object to be conveyed and rotates the roller, and the plate-like material by the cutting line processing means based on a signal corresponding to the rotation amount of the roller. While controlling the cutting start timing of the object, the interval between the two adjacent cutting lines of the plate-shaped object that has been cut is measured by the measuring means, and the interval measured by the measuring means relative to the reference interval of the interval is measured.
- a sheet cutting method for a plate-like object that obtains a change amount, calculates a correction value corresponding to the change amount, and corrects the cutting start timing based on the correction value.
- the correction control unit when information indicating the interval between the two cut lines measured by the measuring means is output to the correction control unit, the correction control unit compares the interval with a pre-stored reference interval. Then, a change amount of the interval measured by the measuring unit with respect to the reference interval is obtained. Then, the correction control unit calculates a correction value corresponding to the amount of change, and corrects the slicing start time by the slicing means based on this correction value.
- the present invention travels along a guide frame, a roller that rotates in contact with a conveyed plate-like object, a signal generating means that generates a signal corresponding to the amount of rotation of the roller, and the like.
- Control means for controlling the processing start time, measuring means for measuring the length of the folded plate-like object in a direction perpendicular to the cut line, and a reference length of the length are stored, and the reference length and Comparing the length measured by the measuring means to obtain a change amount of the length measured by the measuring means with respect to the reference length, calculating a correction value corresponding to the change amount, the correction value Based on said control means
- the present invention makes a roller contact with a plate-like object to be conveyed and rotates the roller, and the plate-like material by the cutting line processing means based on a signal corresponding to the rotation amount of the roller.
- the cutting line processing start time of the object is controlled, and the length in the direction perpendicular to the cutting line of the plate-like object that is folded along the cutting line is measured by a measuring unit, and the length relative to the reference length is measured.
- a cutting method for cutting a plate-like object by calculating a correction value based on a change amount of a length measured by a measuring unit and correcting the cutting line start time based on the correction value.
- the correction control unit when information indicating the length of the plate-like object measured in the direction orthogonal to the cutting line is output to the correction control unit, stores the length in advance. The amount of change in the length measured by the measuring unit with respect to the reference length is obtained by comparing with the reference length. Then, the correction control unit calculates a correction value corresponding to the amount of change, and corrects the slicing start time by the slicing means based on this correction value.
- the plate-shaped material conveyance amount detection device and the plate-shaped material conveyance amount detection method of the present invention the plate-shaped material conveyance amount can be accurately detected.
- the plate-like material cutting device of the present invention can cut a plate-like material with high dimensional accuracy.
- the plate-like material cutting device and the plate-like material cutting method of the present invention the plate-like material can be cut with high dimensional accuracy.
- FIG. 1 is a perspective view of a slicing apparatus to which the conveyance amount detection apparatus according to the first embodiment is applied.
- FIG. 2 is a plan view of the slicing apparatus shown in FIG.
- FIG. 3 is a diagram used for explaining the cutting method by different size cutting.
- FIG. 4 is a block diagram illustrating a configuration of the slicing apparatus according to the embodiment.
- FIG. 5 is a block diagram illustrating a configuration of the transport amount detection device according to the first embodiment.
- FIG. 6 is an explanatory diagram showing a cut line imaged by the electronic camera.
- FIG. 7 is a perspective view of a slicing apparatus to which the transport amount detection device according to the second embodiment is applied.
- FIG. 8 is a plan view of the slicing apparatus shown in FIG.
- FIG. 9 is a perspective view of a slicing apparatus to which the conveyance amount detection apparatus according to the third embodiment is applied.
- FIG. 10 is a perspective view of a slic
- FIG. 1 is a perspective view of an apparatus 10 for cutting a strip-shaped glass sheet G according to an embodiment to which the transport amount detection device 100 for the strip-shaped glass sheet G according to the first embodiment is applied.
- FIG. 2 is a plan view of the slicing apparatus 10 shown in FIG.
- the cutting line processing apparatus 10 shown in FIGS. 1 and 2 is continuously transported by a roller conveyor 12 from a strip-shaped glass sheet manufacturing apparatus (not shown) by a float method installed on the upstream side in the transport direction of the strip-shaped glass sheet G. It is a slicing apparatus corresponding to a slicing method called so-called different size slicing, which processes a longitudinal slicing line and a horizontal slicing line on the belt-shaped plate glass G.
- each cutter of the slicing device 10 is controlled based on the transport amount of the belt-shaped plate glass G detected by the transport amount detection device 100. This will be described later.
- the main purpose of installing the transport amount detection device 100 is to improve the dimensional accuracy in the transport direction of the strip-shaped glass sheet G of one glass plate cut and folded from the strip-shaped glass sheet G. For this reason, the transport amount of the belt-shaped plate glass G is accurately detected by the transport amount detection device 100.
- a glass folding device (not shown) is installed on the downstream side in the conveying direction of the strip-shaped plate glass G of the slicing apparatus 10, and the glass plate folded by the glass folding device is sized to the subsequent stage of the glass folding device.
- a roller conveyor (not shown) for sorting and transporting and picking up a plate is provided in the corresponding storage section.
- the cutting device 10 and the glass folding device constitute a plate-like body cutting device.
- the slicing apparatus 10 the belt-shaped plate glass manufacturing device, the roller conveyor, the glass folding device, the roller conveyor that sorts and conveys the glass plate after the folding and splitting into a container, and the belt shape using them.
- the manufacturing apparatus of plate glass is as the well-known technique.
- the band-shaped plate glass G of the embodiment may be used for a glass substrate for FPD, and is used for a glass plate for solar cells, a glass plate for lighting, a glass plate for architecture, or a glass plate for automobile windows. It may be done.
- the target plate-like object is not limited to the belt-like plate glass G, and may be a rectangular glass plate.
- the material of the plate-like material is not limited, and the plate-like material conveyance amount detection device 100 according to the embodiment can be used as long as it is a plate-like material made of resin or metal and continuously conveyed. Can be applied.
- the manufacturing apparatus of the strip-shaped plate glass G is not limited to the manufacturing apparatus by a float process, and other manufacturing apparatuses, such as a fusion method, may be sufficient.
- the cutting apparatus 10 for cutting different sizes is not limited to cutting different sizes. That is, if it is a slicing apparatus capable of improving the dimensional accuracy of the glass plate in the conveyance direction of the strip glass G, a slicing apparatus that processes only the so-called horizontal slicing line into the strip slab glass G (in FIG. 1, the horizontal slicing machine 16 It is also applicable to a cutting line processing apparatus provided only with Therefore, the slicing apparatus 10 that performs different size cutting is merely an example.
- the slicing device 10 is composed of a vertical slicing machine 14 installed on the upstream side in the transport direction of the belt-shaped plate glass G, and a horizontal slicing machine 16 installed on the downstream side thereof.
- a vertical cutting line parallel to the transport direction of the strip glass sheet G is processed into the strip glass sheet G by the vertical cutting machine 14, and a horizontal cutting line 16 perpendicular to the transport direction of the strip glass sheet is processed downstream by the horizontal cutting machine 16. To be processed.
- the vertical cutting line processing machine 14 includes a plurality of cutters 18, 18... Installed in the width direction of the belt-shaped plate glass G. These cutters 18, 18... Are moved forward and backward by a known forward / backward moving means with respect to the belt-like plate glass G being conveyed by the roller conveyor 12, and are pushed against the belt-like plate glass G by a predetermined pressing force. . Thereby, a longitudinal cut line parallel to the transport direction of the belt-shaped plate glass G is processed into the belt-shaped plate glass G.
- the transverse line processing machine 16 includes a single cutter 20, and the cutter 20 is moved obliquely with respect to the transport direction of the strip glass sheet G in synchronization with the transport speed of the strip glass sheet G.
- a transverse line in a direction orthogonal to the conveying direction of the belt-like plate glass G is processed into the belt-like plate glass G.
- the arrow A in FIG. 1 and FIG. 2 has shown the conveyance direction of the strip
- vertical cutting lines CV1 to CV5 and horizontal cutting lines CH6 to 11 for picking up two types of rectangular glass plates G1 and 2 having different sizes from the belt-shaped plate glass G being transported are strip-shaped in transport.
- the size of the glass plate to plate is not limited to two types, Three or more types may be sufficient.
- an arrow A in FIG. 3 indicates a transport direction of the belt-shaped plate glass G.
- the vertical cutting lines CV1 and CV2 shown in FIG. 3 are processed in order to cut the edge glass G5 with which the edge roller abuts in the molten tin bath of the belt-shaped sheet glass manufacturing apparatus from the band-shaped sheet glass as a product. It is processed by two cutters 18, 18 arranged on both sides of the cutters 18, 18. The two cutters 18 and 18 are always brought into contact with the belt-like plate glass G in a state where a predetermined pressing force is applied, and thereby the cut-off depth favorable for folding is obtained on the belt-like plate glass G that is continuously conveyed.
- the vertical cutting lines CV1 and CV2 are continuously processed.
- the vertical cutting lines CV3, 4 are processed to plate the glass plates G1, G1,..., And the two cutters 18 arranged on the inner side among the cutters 18, 18. 18 is processed.
- the two cutters 18 and 18 are moved forward and backward (up and down) with respect to the belt-like plate glass G being conveyed in synchronization with the conveyance speed of the belt-like plate glass G by the advancing / retreating movement means. That is, the two cutters 18 and 18 for processing the vertical cutting lines CV3 and 4 are moved forward toward the cutting line processing start points P1 and P1 and are brought into contact with the belt-like plate glass G, and then, the predetermined cutters are applied to the belt-like plate glass G.
- the vertical cutting line CV5 is processed in order to sample a glass plate G2 having a size larger than the glass plate G1, and the cutter 18 disposed in the center of the cutters 18, 18. Processed. Similarly, the cutter 18 is also moved forward and backward (up and down) with respect to the belt-like plate glass G being conveyed in synchronization with the conveyance speed of the belt-like plate glass G by the advancing / retreating movement means. That is, the cutter 18 that processes the vertical cutting line CV5 is moved forward toward the cutting line starting point P3 and is brought into contact with the belt-like plate glass G, and then applied with a predetermined pressing force applied to the belt-like plate glass G.
- the advancement start time (cut line processing start time) and retreat start time of the three cutters 18 for processing the vertical cutting lines CV3 to CV5 are controlled by the transport amount detection device 100 (see FIG. 1). This will be described later.
- the horizontal cutting lines CH6 to 9 are processed to make the glass plate G1, and are sequentially processed one by one by the cutter 20 of the horizontal cutting line processing machine 16.
- the motor 64 (see FIG. 4) that moves the cutter 20 in a skew manner is controlled in motion by the control device 56 in synchronization with the transport speed of the belt-like plate glass G, whereby the belt-like plate glass G is transported.
- the transverse lines CH6 to 9 in the direction orthogonal to the direction are processed into the strip-shaped glass sheet G.
- the cutter 20 is provided so as to be movable up and down with respect to the belt-like plate glass G by an actuator such as an air cylinder.
- the cutter 20 starts to descend in advance at a position a predetermined amount before the cutting line processing start point P5 in order to process the horizontal cutting lines CH6 to 9 having a good cutting depth. Thereafter, the cutter 20 is moved obliquely on the belt-like plate glass G along the guide frame 21 by the driving force of the motor 64. As a result, the transverse lines CH6 to CH9 are processed. Thereafter, the cutter 20 is moved upward from the strip-shaped plate glass G by the actuator after passing through a predetermined amount of the cutting line finishing point P6, and then moved to the original cutting line standby position (the position indicated by the solid line in FIGS. 1 and 2). The motor 64 is moved back.
- the horizontal cutting lines CH10 and 11 shown in FIG. 3 are processed to sample the glass plate G2, and are processed by the cutter 20 of the horizontal cutting line processing machine 16. Since the operation of the cutter 20 is the same as the operation for processing the horizontal cross lines CH6 to CH9, description thereof will be omitted.
- the skew movement start time (cut line processing start time) of the cutter 20 for processing the horizontal cutting lines CH6 to 11 is controlled by the transport amount detection device 100 (see FIG. 1). This will be described later.
- the vertical cutting line machine 14 In the cutting process for cutting different sizes, in order to sample as many different glass plates as possible from the strip-shaped glass sheet G without waste, the vertical cutting line machine 14 is used according to the sampling schedule of each specified size glass plate. It is desired to reduce the distance between the ends of the vertical cutting lines CV3 to 5 and the horizontal cutting lines CH6 to 11 by the horizontal cutting line machine 16 as much as possible. Therefore, in order to reduce the distance, the cutting line cutting operation of the cutter 18 of the vertical cutting line processing machine 14 that processes the vertical cutting lines CV3 to 5 and the cutter 20 of the horizontal cutting line processing machine 16 that processes the horizontal cutting lines CH6 to 11 is started.
- the stop / control that is, the forward / backward movement control of the cutters 18 and 20 with respect to the belt-like plate glass G being transported, must be finely performed, which is executed by the transport amount detection device 100 (see FIG. 1).
- the forward / backward moving means of the cutter 18 includes a servo motor 24 as shown in FIG. 4, and the servo motor 24 and the cutter 18 are moved to a beam portion (guide frame) 26 in FIG. It is attached with a predetermined interval.
- the beam portion 26 is provided across the roller conveyor 12 and in a direction orthogonal to the conveying direction of the belt-like plate glass G.
- the ball screw device as the feeding means is provided in the hollow beam portion 26, and when this ball screw device is driven, the cutter 18 advances and retreats in a horizontal slit 28 formed in the beam portion 26. It is slid through the moving means. Thereby, the position of the cutter 18 in the direction orthogonal to the conveyance direction of the strip-shaped plate glass G is adjusted.
- Servo motor 24 causes cutter 18 to move downward to generate a pressing force on strip-shaped plate glass G in order to process a vertical cut line on strip-shaped plate glass G.
- the torque of the servo motor 24 is controlled by a control device 56 via a servo amplifier 54 shown in FIG. Therefore, by controlling the torque of the servo motor 24 by the control device 56, the pressing force of the cutter 18 against the belt-like plate glass G is set.
- the control device 56 also includes a signal indicating a current value applied to the servomotor 24 (a signal indicating the torque of the servomotor 24) together with data applied from the current detector 60, as well as the rotational position or rotational speed of the servomotor 24. Is added from a pulse generator (PG) 62 via a servo amplifier 54.
- PG pulse generator
- the control device 56 can detect the rotational position of the servo motor 24 by counting the pulse signal from the pulse generator (PG) 62, and can count the pulse signal applied within a predetermined time, The rotational speed of the servo motor 24 can be detected. Further, the control device 56 sends a torque command signal for controlling the torque of the servo motor 24 to the servo amplifier 54 based on the signal indicating the torque from the current detector 60 or the pulse signal from the pulse generator (PG) 62. Output. The servo amplifier 54 controls the torque of the servo motor 24 based on the torque command signal.
- control device 56 controls the advance / retreat movement timing of the cutter 18 by the servo motor 24 based on the conveyance amount of the belt-like plate glass G obtained by the conveyance amount detection device 100, and the cutting line start timing of the cutter 20 by the motor 64. To control. As a result, the control device 56 causes the cutters 18 and 20 to perform cutting processing of different sizes.
- the slicing device 10 is applied to the belt-like sheet glass G being conveyed by the roller conveyor 12, and the vertical slicing lines CV 3 to CV 3 to 5 parallel to the conveying direction of the belt-shaped slab glass G by the cutters 18, 18. Will be omitted). Then, as a means for moving the cutter 18 forward and backward with respect to the belt-shaped plate glass G, a servo motor 24 having high responsiveness is used as a means for moving the cutter 18 forward and backward with respect to the belt-shaped plate glass G. By controlling the torque of the servo motor 24 by the control device 56, the pressing force of the cutter 18 against the belt-shaped plate glass G can be reduced.
- the vertical cut lines CV3 to CV5 are processed in the belt-like plate glass G by control.
- the transport amount detection device 100 includes a roller 102 that rotates in contact with the belt-shaped plate glass G that is being transported.
- electronic cameras (measurement means) 104A and 104B that individually image two adjacent cut lines 105A and 105B of the cut strip-shaped sheet glass G are provided.
- an encoder (signal generating means) 106 that generates a pulse signal according to the rotation amount of the roller 102 is provided.
- a pulse counter 112 that counts pulse signals generated from the encoder 106 and a control device (calculation means, correction control unit) 56 that calculates the transport amount of the belt-like sheet glass G based on the number of pulses counted by the pulse counter 112. It has.
- the storage unit (not shown) of the control device 56 stores a reference interval (reference interval) that is a processing interval between the two cutting lines 105A and 105B.
- This reference interval is equal to the length in the direction perpendicular to the cut lines 105A and 105B of one glass plate cut and folded from the belt-like plate glass G, and corresponds to a set value (Y) described later.
- the electronic camera 104A is installed on the downstream side in the transport direction of the strip-shaped plate glass G
- the electronic camera 104B is installed on the upstream side in the transport direction of the strip-shaped plate glass G.
- the electronic cameras 104A and 104B are controlled by the control device 56 so that the two cut lines 105A and 105B are simultaneously imaged when the two adjacent cut lines 105A and 105B pass below the electronic cameras 104A and 104B. ing.
- An image signal including two adjacent cut lines 105A and 105B captured by the electronic cameras 104A and 104B is binarized by the image processing unit 114 shown in FIG. 5, and two cut lines 105A and 105B of the entire image are displayed. Only images are extracted.
- the electronic cameras 104A and 104B are installed so that the interval between the electronic cameras 104A and 104B is equal to the set value (Y) described above.
- the image of the cut line 105A captured by the electronic camera 104A is displayed in the image area 116A of the electronic camera 104A. Further, an image of the cut line 105B captured by the electronic camera 104B is displayed in the image area 116B of the electronic camera 104B.
- the electronic cameras 104A and 104B are set so that the distance (L) between the center lines 117A and 117B of the image areas 116A and 116B is equal to the set value (Y).
- the electronic cameras 104A and 104B are supported by a support member 118 made of a low thermal expansion material such as invar, super invar, stainless invar, or aluminum, so that the environmental temperature changes. However, it is installed so that the distance (L) between the electronic cameras 104A and 104B does not fluctuate.
- the image signals of the two cut lines 105A and 105B that have been binarized by the image processing unit 114 in FIG. 5 are output to the control device 56.
- the control device 56 stores dimensions corresponding to one pixel of the electronic cameras 104A and 104B.
- the control device 56 counts the pixels from the center line 117A of the image area 116A shown in FIG. 6 to the image of the cut line 105A, and counts the pixels from the center line 117B of the image area 116B to the image of the cut line 105B. Then, the interval between two adjacent cut lines 105A and 105B is calculated. This interval is an actual measurement value.
- control device 56 compares the measured value with the set value (Y) described above to obtain a change amount of the actually measured value with respect to the set value (Y), and calculates a correction value corresponding to the change amount, Based on the correction value, the transport amount of the belt-shaped plate glass G is corrected.
- the conveyance amount detection apparatus 100 even when the shape of the roller 102 changes, the conveyance amount of the strip
- the traveling distance p of the strip glass G per pulse can be calculated.
- cut-line processing command interval: P the number of pulses necessary for issuing a cut-line processing command for processing a horizontal cut line on the belt-like plate glass G being transported
- the measured value of the diameter D of the roller 102 in operation and the design value of the diameter D ′ of the roller 102 do not completely coincide with each other. Therefore, it is necessary to multiply the correction coefficient C and issue a cutting line processing start command. It is necessary to correct the correct number of pulses P in advance.
- the number of pulses P in this case is calculated as follows when the reference correction coefficient is C1 and the normal correction coefficient is C2.
- the new normal correction coefficient C2 ′ is obtained from the conveyance amount setting value L1 (Y: target value) of the belt-like plate glass G and the actual measurement value L2 of the interval between the two adjacent cut lines 105A and 105B obtained by the electronic cameras 104A and 104B. It can be calculated as follows.
- New normal correction coefficient C2 ′ normal correction coefficient C2 ⁇ (conveyance amount setting value L1 of strip-shaped plate glass G1 / measured value L2 of the interval between two adjacent cut lines)
- the measured value L2 of the interval between two adjacent cut lines differs from the transport amount setting value L1 with respect to the transport amount setting value L1 of the belt-shaped plate glass G, it is recognized that the diameter of the roller 102 has changed, and is described above.
- the normal correction coefficient C2 is corrected.
- the transport amount detection device 100 accurately detects the transport amount of the belt-shaped plate glass G even when the roller 102 that is in contact with the belt-shaped plate glass G via the sheet 110 thermally expands and contracts and the angular velocity ⁇ varies. As a result, the dimensional accuracy in the direction perpendicular to the cut lines 105A and 105B of the cut glass sheet is improved. In addition, since the cutting process start time of the cutter 18 and the retracting movement time of the cutter 18 are also controlled based on a signal indicating an accurate conveyance amount output from the control device 56, the vertical cutting line CV3 with high accuracy is applied to the belt-shaped plate glass G. ⁇ 5 can be processed.
- the glass folding time of the glass folding apparatus (not shown) installed in the downstream of the cutting line processing apparatus 10 based on the conveyance amount information of the strip
- FIG. . the belt-like plate glass G can be accurately broken along the vertical cutting lines CV3 to CV5 and the horizontal cutting lines CH6 to 11.
- strip-like plate glass G can be cut with high dimensional accuracy.
- the roller 102 includes a metal roller body 108 and a rubber or resin sheet 110 lining the outer peripheral surface of the roller body 108.
- This sheet 110 serves as a cushioning material so that the surface of the belt-like plate glass G is not damaged by the roller 102 coming into contact therewith.
- seat 110 adheres to the surface of the strip
- the above embodiment is an apparatus that detects the conveyance amount of the belt-like sheet glass G by actually measuring the interval between two adjacent cutting lines 105A and 105B, and controls the cutting line processing start timing.
- glass folding device (bend-breaking means) of a strip-shaped sheet glass G by 120, cut line 105A, the glass plate G a of cut line 105A which is split folded along 105B shown in FIG. 2,
- a length L A (see FIGS. 7 and 8) in a direction orthogonal to 105B is obtained by the two electronic cameras 104A and 104B, and the length L A is compared with a set value (Y) to compare the strip-shaped plate glass G. May be detected, and the cutting start timing may be controlled. Even in this case, the same effect can be obtained.
- the electronic camera 104A captures an edge portion 107A of the glass plate G A
- the electronic camera 104B captures a side portion 107B of the glass plate G A.
- Side portions 107A, corresponding to 107B intervals, cut line 105A of the glass plate G A, the method for calculating the direction of the length L A perpendicular to 105B are cut line 105A, which is the same as the distance calculation method 105B.
- the detection of the conveyance amount of the belt-like plate glass G and the control of the cutting line start timing based on the distance between the side portions 107A and 107B are the same as those by the control device 56 shown in FIG.
- FIG. 9 is a perspective view of the slicing apparatus 10 to which the conveyance amount detection apparatus according to the third embodiment is applied.
- the conveyance amount detection apparatus shown in FIG. 9 captures the corners C1 and C2 at both ends of the cutting line 105A with the two cameras 104A1 and 104A2, and the corners C3 and C4 at both ends of the cutting line 105B with the two cameras 104B1. Images are taken by 104B2. Then, based on the four coordinate position information of the corner portion C1 ⁇ C4 obtained from each image information of four cameras 104A1,104A2,104B1,104B2, in a direction perpendicular cut line 105A of the glass plate G A, and 105B length is L a measurement unit (not shown) is calculated. In addition, the detection of the conveyance amount of the strip-shaped glass sheet G and the control of the cutting line start timing based on the interval between the cutting lines 105A and 105B are the same as those by the control device 56 shown in FIG.
- FIG. 10 is a perspective view of the slicing apparatus 10 to which the conveyance amount detection apparatus according to the fourth embodiment is applied.
- Conveyance amount detecting device shown in FIG. 10 as well as imaging the corner C5, C6 of the ends of the side portions 107A of the bend-breaking the glass sheet G A by two cameras 104A3,104A4, corners at both ends of the side portions 107B
- the parts C7 and C8 are imaged by the two cameras 104B3 and 104B4.
- a measuring means length L a (not shown) is calculated.
- the conveyance amount detection of the strip-shaped plate glass G and the control of the cutting line start timing based on the interval between the side portions 107A and 107B are the same as those by the control device 56 shown in FIG.
- G strip-shaped plate glass, 10 ... cutting line processing device, 12 ... roller conveyor, 14 ... vertical cutting line processing machine, 16 ... horizontal cutting line processing machine, 18 ... cutter, 20 ... cutter, 21 ... guide frame, 24 ... servo motor, 26 ... Beam part, 28 ... slit, 54 ... servo amplifier, 56 ... control device, 60 ... current detector, 62 ... pulse generator (PG), 64 ... motor, 100 ... transport amount detection device, 102 ... roller, 104A, 104B ... Electronic camera, 104A1, 104A2, 104A3, 104A4 ... Electronic camera, 104B1, 104B2, 104B3, 104B4 ... Electronic camera, 105A, 105B ...
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- Organic Chemistry (AREA)
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- General Physics & Mathematics (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
帯状板ガラスGの搬送量(切線加工間隔):Y(mm)
ローラ102の径 :D(mm)
エンコーダ106の分解能 :A(パルス)
1パルス進行距離 :p(mm/パルス) p=πD/A
補正係数 :C
基準補正係数 :C1
正規補正係数 :C2
切線加工指令間隔 :P(パルス) P=Y/p×C2/C1
(2)まず、補正係数Cの取得方法について説明する。
ここで、基準補正係数C1は、定数である。
帯状板ガラスGの搬送量設定値L1に対し、隣接する2本の切線の間隔の実測値L2が前記搬送量設定値L1と異なる場合には、ローラ102の径が変化したと認識し、前述した正規補正係数C2を補正する。
C2′=C2×(L1/L2)
となり、
よって、P=L1/p×(C2′/C1)
となる。したがって、帯状板ガラスGの搬送量の変化量、言い換えると、帯状板ガラスGの搬送量設定値L1に対する、該間隔の実測値L2の変化量に基づいて算出したパルスP毎に、制御装置56から切線加工開始指令をモータ64に出力するように、正規補正係数C2を新正規補正係数C2′に補正することによって、帯状板ガラスGに正確な距離間隔の横切線を加工することができる。
本出願は、2010年12月6日出願の日本特許出願2010-271821に基づくものであり、その内容はここに参照として取り込まれる。
Claims (9)
- 搬送される板状物に当接して回転するローラと、
前記ローラの回転量に応じた信号を発生する信号発生手段と、
前記信号に基づいて前記板状物の搬送量を演算する演算手段と、
ガイドフレームに沿って走行し、前記板状物に切線を加工する切線加工手段と、
切線加工された前記板状物の隣接する2本の切線の間隔を計測する計測手段と、
前記間隔の基準間隔が記憶され、該基準間隔と前記計測手段によって計測された間隔とを比較して、前記基準間隔に対する前記計測手段によって計測された間隔の変化量を求めるとともに、該変化量に対応した補正値を算出し、該補正値に基づいて前記演算手段による前記板状物の搬送量を補正する補正制御部と、
を備えた板状物の搬送量検出装置。 - 搬送される板状物に当接して回転するローラと、
前記ローラの回転量に応じた信号を発生する信号発生手段と、
前記信号に基づいて前記板状物の搬送量を演算する演算手段と、
ガイドフレームに沿って走行し、前記板状物に切線を加工する切線加工手段と、
前記切線に沿って前記板状物を折り割りする折り割り手段と、
折り割りされた前記板状物の前記切線と直交する方向の長さを計測する計測手段と、
前記長さの基準長さが記憶され、該基準長さと前記計測手段によって計測された長さとを比較して、前記基準長さに対する前記計測手段によって計測された長さの変化量を求めるとともに、該変化量に対応した補正値を算出し、該補正値に基づいて前記演算手段による前記板状物の搬送量を補正する補正制御部と、
を備えた板状物の搬送量検出装置。 - 請求項1又は2に記載の板状物の搬送量検出装置を備えた板状物の切断装置。
- 搬送される板状物にローラを当接させて該ローラを回転させ、該ローラの回転量に応じて発生する信号に基づき前記板状物の搬送量を検出し、
切線加工手段によって切線が加工された前記板状物の隣接する2本の切線間隔を計測し、該間隔の基準間隔に対する計測された間隔の変化量に基づいて補正値を算出し、該補正値に基づいて前記板状物の搬送量を補正する板状物の搬送量検出方法。 - 搬送される板状物にローラを当接させて該ローラを回転させ、該ローラの回転量に応じて発生する信号に基づき前記板状物の搬送量を検出し、
前記板状物に切線加工手段によって切線を加工するとともに、折り割り手段によって前記板状物を前記切線に沿って折り割りし、
折り割りされた前記板状物の前記切線と直交する方向の長さを計測手段で計測し、該長さの基準長さに対する前記計測手段によって計測された長さの変化量に基づいて補正値を算出し、該補正値に基づいて前記板状物の搬送量を補正する板状物の搬送量検出方法。 - 搬送される板状物に当接して回転するローラと、
前記ローラの回転量に応じた信号を発生する信号発生手段と、
ガイドフレームに沿って走行し、前記板状物に切線を加工する切線加工手段と、
前記信号に基づいて前記切線加工手段による前記板状物の切線加工開始時期を制御する制御手段と、
切線加工された前記板状物の隣接する2本の切線の間隔を計測する計測手段と、
前記間隔の基準間隔が記憶され、該基準間隔と前記計測手段によって計測された間隔とを比較して、前記基準間隔に対する前記計測手段によって計測された間隔の変化量を求めるとともに、該変化量に対応した補正値を算出し、該補正値に基づいて前記制御手段による前記切線加工開始時期を補正する補正制御部と、
を備えた板状物の切線加工装置。 - 搬送される板状物に当接して回転するローラと、
前記ローラの回転量に応じた信号を発生する信号発生手段と、
ガイドフレームに沿って走行し、前記板状物に切線を加工する切線加工手段と、
前記切線に沿って前記板状物を折り割りする折り割り手段と、
前記信号に基づいて前記切線加工手段による前記板状物の切線加工開始時期を制御する制御手段と、
折り割りされた前記板状物の前記切線と直交する方向の長さを計測する計測手段と、
前記長さの基準長さが記憶され、該基準長さと前記計測手段によって計測された長さとを比較して、前記基準長さに対する前記計測手段によって計測された長さの変化量を求めるとともに、該変化量に対応した補正値を算出し、該補正値に基づいて前記制御手段による前記板状物の切線加工開始時期を補正する補正制御部と、
を備えた板状物の切線加工装置。 - 搬送される板状物にローラを当接させて該ローラを回転させ、該ローラの回転量に応じた信号に基づいて切線加工手段による前記板状物の切線加工開始時期を制御するとともに、
切線加工された前記板状物の隣接する2本の切線の間隔を計測手段によって計測し、該間隔の基準間隔に対する前記計測手段によって計測された間隔の変化量を求めるとともに、該変化量に対応した補正値を算出し、該補正値に基づいて前記切線加工開始時期を補正する板状物の切線加工方法。 - 搬送される板状物にローラを当接させて該ローラを回転させ、該ローラの回転量に応じた信号に基づいて切線加工手段による前記板状物の切線加工開始時期を制御するとともに、
前記切線に沿って折り割りされた前記板状物の前記切線と直交する方向の長さを計測手段で計測し、該長さの基準長さに対する前記計測手段によって計測された長さの変化量に基づいて補正値を算出し、該補正値に基づいて前記切線加工開始時期を補正する板状物の切線加工方法。
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CN2011800588677A CN103249687A (zh) | 2010-12-06 | 2011-11-10 | 板状物的搬运量检测装置、切断装置、搬运量检测方法、切割线加工装置及切割线加工方法 |
KR1020137014474A KR20130126631A (ko) | 2010-12-06 | 2011-11-10 | 판상물의 반송량 검출 장치 및 판상물의 절단 장치 및 판상물의 반송량 검출 방법 및 판상물의 절선 가공 장치 및 판상물의 절선 가공 방법 |
JP2012547753A JPWO2012077457A1 (ja) | 2010-12-06 | 2011-11-10 | 板状物の搬送量検出装置及び板状物の切断装置並びに板状物の搬送量検出方法及び板状物の切線加工装置並びに板状物の切線加工方法 |
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CN106829479B (zh) * | 2017-03-25 | 2022-05-13 | 广东高力威机械科技有限公司 | 立式玻璃检测输送台及其检测方法 |
CN108745935B (zh) * | 2018-05-07 | 2020-06-16 | 芜湖良匠机械制造有限公司 | 一种玻璃基板的长度偏差监测装置 |
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