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WO2007111160A1 - Dispositif de mesure de temperature de rouleau rotatif, rouleau rotatif utilisant le dispositif de mesure de temperature, et procede de mesure de temperature - Google Patents

Dispositif de mesure de temperature de rouleau rotatif, rouleau rotatif utilisant le dispositif de mesure de temperature, et procede de mesure de temperature Download PDF

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Publication number
WO2007111160A1
WO2007111160A1 PCT/JP2007/055356 JP2007055356W WO2007111160A1 WO 2007111160 A1 WO2007111160 A1 WO 2007111160A1 JP 2007055356 W JP2007055356 W JP 2007055356W WO 2007111160 A1 WO2007111160 A1 WO 2007111160A1
Authority
WO
WIPO (PCT)
Prior art keywords
temperature
roll
rotary
temperature measuring
cylindrical body
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.)
Ceased
Application number
PCT/JP2007/055356
Other languages
English (en)
Japanese (ja)
Inventor
Toru Kamo
Yutaka Shiomi
Kuniyoshi Tamai
Masanori Ohashi
Yoshiaki Tokuda
Satoshi Ogawa
Satoko Tohi
Kenichi Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sasakura Engineering Co Ltd
Original Assignee
Sasakura Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sasakura Engineering Co Ltd filed Critical Sasakura Engineering Co Ltd
Priority to KR1020087023254A priority Critical patent/KR101115165B1/ko
Publication of WO2007111160A1 publication Critical patent/WO2007111160A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F5/00—Elements specially adapted for movement
    • F28F5/02—Rotary drums or rollers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G01K13/04—Thermometers specially adapted for specific purposes for measuring temperature of moving solid bodies
    • G01K13/08—Thermometers specially adapted for specific purposes for measuring temperature of moving solid bodies in rotary movement
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling drums

Definitions

  • Rotary roll temperature measuring device rotary roll equipped with this temperature measuring device, and temperature measuring method
  • the present invention relates to a temperature measurement device for a rotary roll, a rotary roll equipped with this temperature measurement device, and a temperature measurement method, and more specifically, various sheets of cellophane, aluminum foil, paper, synthetic resin, etc.
  • the present invention relates to a temperature measuring device for a rotary roll used in an extrusion laminating apparatus for laminating a synthetic resin to a film while extruding it into a film, a rotary roll provided with this temperature measuring device, and a temperature measuring method.
  • a rotary cooling roll will be described as an example of this type of rotary roll.
  • a rotary cooling roll in order to quickly cool an object to be cooled such as a resin sheet or product surface temperature control. For this reason, it is necessary to constantly monitor the surface temperature of the cooling roll and control the amount of cooling water supplied as necessary. Therefore, a temperature sensor is provided on the surface of the cooling roll, and the measured temperature detected by this temperature sensor is monitored.
  • Patent Document 1 Japanese Patent Laid-Open No. 62-207146 Disclosure of the invention
  • Roll change is performed by changing the production line of the resin film, which is the object to be cooled. For example, if the type of resin such as a resin film is different, the use of a roll with a surface force corresponding to it, or the change in thickness or film width of the resin film, etc. Replacing work is required due to the use of rolls that have a long diameter.
  • a transmitting antenna may be provided on the outer surface of the end cover of the cooling roll, and one receiving antenna may be disposed in the vicinity of the rotating shaft of the cooling roll. Conceivable.
  • the reception antenna enters the shadow of the rotation axis with respect to the transmission antenna, and a situation in which the reception state is extremely bad occurs. In other words, there is a problem that the roll surface temperature cannot always be accurately received while the cooling roll is rotating.
  • the rotary heat roll has the same problem as that of the rotary cooling roll.
  • the present invention has been devised in view of the above circumstances, and its purpose is to always receive the roll surface temperature accurately and to eliminate the need for special operation during roll replacement work.
  • Another object of the present invention is to provide a temperature measurement device for a rotary roll that can be easily replaced by a simple operation, a rotary roll equipped with this temperature measurement device, and a temperature measurement method.
  • the invention according to claim 1 of the present invention is characterized in that a cylindrical body in contact with an object to be heated or cooled on the outer peripheral surface, and both ends of the cylindrical body are provided.
  • a rotary roll having a structure in which a covering end cover and a center axis of both end covers are provided, and a rotary shaft protruding outward is provided, and at least one end cover of the both end covers is made of non-metal.
  • a temperature measuring device comprising: a temperature detecting means provided in a contact area of the cylindrical body with the object to be heat treated; and a transmission unit attached to an inner surface of the non-metallic end cover on the one end side.
  • a transmitter including an antenna and transmitting temperature information from the temperature detecting unit; and a battery for supplying power to the transmitter; and a transmitter including the transmission antenna and the transmitting antenna.
  • the first and second receivers that receive temperature information transmitted from the receiver, and the receiving antenna of each receiver is rotated during the rotation of the roll!
  • the temperature in the good reception state by discriminating the quality of the reception state of the first and second receivers and the first and second receivers, which are arranged at positions that do not shadow the axis, respectively.
  • a control unit for selecting information and displaying the temperature on the display unit based on the selected temperature information.
  • the control unit determines whether the reception status of the first and second receivers is good or not, selects temperature information in the good reception status, and displays the temperature on the display based on the selected temperature information. I do. As a result, the surface temperature is constantly monitored on the display unit while the roll is rotating without being temporarily disabled.
  • non-metallic means other than metal, for example, resin, wooden, cardboard, glass It includes any of the products made of tempered glass, tempered glass, and processed mineral materials (for example, My Power Board (Mica)).
  • rotary roll includes both a rotary cooling roll and a rotary heat roll.
  • the rotary cooling roll may be a so-called heat pipe type cooling roll in which a working fluid that repeats evaporation and condensation is filled in a cylindrical body and a cooling pipe through which cooling water flows is provided.
  • a cooling roll having a structure in which a lid with a hollow shaft is attached to a pipe-shaped roll, one shaft portion is supplied with cooling water, and is discharged from the other shaft portion.
  • a rotating heat roll is a so-called heat pipe type in which a cylinder is filled with a working fluid that repeatedly evaporates and condenses, and a superheat pipe through which superheated water (or superheated steam) flows is provided. It can be a hot roll.
  • a pipe-shaped roll is attached with a lid with a hollow shaft, superheated water (or superheated steam) is supplied from one shaft, and discharged from the other shaft.
  • a spiral-type hot roll or the like that is provided with a spiral-shaped superheated water (or superheated steam) pipe inside so that the temperature of the roll surface is uniform. ,.
  • the term “material to be heat-treated” includes both a heated object in the case of a rotary heat roll and a cooled object in a rotary cooling roll.
  • the invention according to claim 2 is the temperature measuring apparatus for a rotary roll according to claim 1, wherein the shape of the transmitting antenna is L-shaped.
  • the invention according to claim 3 is the temperature measuring device for a rotary roll according to claim 1 or 2, wherein the receiving antenna is arranged perpendicular to the transmitting antenna.
  • the invention according to claim 4 is the temperature measuring device for a rotary roll according to claim 1, wherein the rotary roll has a cylindrical body whose outer surface is in contact with the sheet to be cooled, and the cylinder. An end cover that covers both ends of the body, and a hollow rotating shaft that projects outwardly from the center force of both end covers, and at least one end of the end covers.
  • the cover is made of a non-metal, has a cooling pipe filled with a working fluid that repeats evaporation and condensation inside the cylindrical body, and a cooling fluid from the inside of the hollow rotating shaft.
  • a rotary chill roll configured to indirectly cool the working fluid with the cooling fluid flowing inside.
  • the surface temperature of the so-called heat pipe type cooling roll can always be accurately monitored.
  • the invention according to claim 5 is the temperature measuring device for a rotary roll according to claim 1, wherein the rotary roll has a cylindrical body whose outer surface is in contact with the heated sheet, and the cylinder. An end cover that covers both ends of the body, and a hollow rotating shaft that projects outwardly from the central force of both end covers, and the inside of the cylindrical body is filled with a working fluid that repeats evaporation and condensation And a heating unit configured to indirectly heat the working fluid with the superheated fluid flowing inside the superheated tube, and having a superheated tube through which the superheated fluid supplied from the hollow rotating shaft flows. It is a roll.
  • the surface temperature of the so-called heat pipe type heat roll can always be accurately monitored.
  • the invention according to claim 6 is a rotary roll comprising the temperature measurement device for a rotary roll according to any one of claims 1 to 5.
  • the invention according to claim 7 is the rotary roll according to claim 6, wherein the non-metallic end cover on the one end side communicates with the inner space of the end cover and the outside.
  • the communication hole is closed, and when the air in the inner space reaches a predetermined temperature or higher, the opening / closing is opened. Means are provided.
  • the opening and closing operation of the communication hole is performed according to the temperature change of the inner space, so that the inner space can be prevented from becoming hot.
  • the inner space can be prevented from becoming hot.
  • the rotary roll is a heat pipe type cooling roll
  • the heat of the object to be heated object to be cooled
  • the rotation is performed.
  • Rolling roll force In the case of the S heat pipe type hot roll, the heat of the working fluid is transmitted to the air in the inner space through the surface of the cylindrical body.
  • the end cover is made of a non-metal, the heat dissipation effect is small, so the temperature in the inner space rises.
  • the communication hole is opened, and the inner space communicates with the outside through the communication hole.
  • the hot air in the inner space is mixed or replaced with the cooler external air, and the temperature in the inner space decreases.
  • the opening and closing operation of the communication hole is performed according to the temperature change of the inner space, so that the inner space can be prevented from becoming hot.
  • the roll surface temperature can always be accurately monitored.
  • the invention according to claim 8 is the rotary roll according to claim 7, wherein the opening / closing means has an opening / closing lid that covers the communication hole, and a shape that biases the opening / closing lid in the opening direction.
  • a first panel made of memory alloy and a second panel that urges the opening / closing lid in the closing direction, and the first panel made of shape memory alloy loses its tensile force when the temperature is lower than a predetermined temperature. In some cases, a tensile force greater than the panel force of the second panel is generated.
  • the first panel When the air in the inner space is below a predetermined temperature, the first panel loses the tensile force, and the second panel
  • the opening / closing lid When the opening / closing lid is urged in the closing direction by the panel force, the communication hole is closed, and when the air in the inner space is at a predetermined temperature or higher, it is piled on the panel force of the second panel and the first panel.
  • the opening / closing lid is urged in the opening direction by the pulling force, and the communication hole is opened.
  • the opening and closing means for opening and closing the communication hole can be realized with a simple structure using a panel made of shape memory alloy. Further, since no power source such as a commercial power source or a battery is required, the cost can be reduced.
  • the “first panel” and the “second panel” may be a coil panel or a panel panel.
  • the invention according to claim 9 includes a cylindrical body in contact with a heat-treated object to be heated or cooled on the outer peripheral surface, an end cover that covers both ends of the cylindrical body, and both the end covers. And a rotating shaft that projects outwardly, and at least one end cover of the two end covers is a non-metallic structure for measuring the temperature of a rotary roll, By means of temperature detection provided in the contact area between the cylindrical body and the object to be heat treated A temperature measuring step for measuring a surface temperature of the contact area, and temperature information measured by the temperature measuring step is transmitted using a transmitter provided on an inner surface of the non-metallic end cover on the one end side.
  • a receiving step for receiving the transmitted temperature information; and determining whether the reception status of the first and second receivers is good or not, and selecting temperature information in a good reception state, and selecting the selected temperature information And a temperature display control step for performing temperature display based on the above.
  • the roll surface temperature can always be accurately received, and no special operation is required during the roll replacement work, and the replacement work can be easily performed with a simple operation. .
  • a temperature measurement device for a rotary cooling roll will be described in detail as an example of a temperature measurement device for a rotary roll according to the present invention. Note that the present invention is not limited to the following embodiments, and can also be applied to a temperature measuring device for a rotary heat roll.
  • FIG. 1 is a diagram showing a schematic configuration of an extrusion laminating machine provided with a temperature measuring device for a rotary cooling roll according to Embodiment 1.
  • FIG. 1 is a diagram showing a schematic configuration of an extrusion laminating machine provided with a temperature measuring device for a rotary cooling roll according to Embodiment 1.
  • the raw paper 2 fed from the roll base paper 1 is turned into a pair of rotary pressing rolls 3 and rotary cooling.
  • the take-up roll 5 is wound up, while the fusion resin 7 in the resin holder 6 a is placed on the upper part between the rotary pressing roll 3 and the rotary cooling roll 4.
  • An extrusion die 6b that is extruded in the form of a film is disposed, and the synthetic resin film 8 extruded from the extrusion die 6b is rotated together with the raw material paper 2
  • the synthetic resin film 8 is bonded to the raw paper 2 while being cooled by the rotary cooling roll 4 to produce a laminated laminated paper 9.
  • FIG. 2 is a diagram showing an overall configuration of a cooling roll provided with a temperature measuring device for a rotary cooling roll according to Embodiment 1
  • FIG. 3 is a cross-sectional view of the cooling roll
  • FIG. 4 is the vicinity of the end of the cooling roll.
  • Fig. 5 is a view of a resin end cover provided on one end of the cooling roll as seen from the inside
  • Fig. 6 is an enlarged plan view of the receiving antenna
  • Fig. 7 shows the support structure of the cooling roll.
  • Fig. 8 is a side view of the cooling roll support structure shown in Fig. 7 as viewed from the right side
  • Fig. 9 is a diagram for explaining the temperature measurement operation by the temperature measurement device.
  • the rotary cooling roll 4 includes a cylindrical body 11 in which the sheet to be cooled such as the raw paper 2 shown in FIG. A hollow rotating shaft 12 is inserted so that the mental force also protrudes outward.
  • the cylindrical body 11 is provided with sealing plates 13 and 14 for hermetically sealing the inside.
  • the rotating shaft 12 passes through the center of the sealing plates 13 and 14, and the sealing plates 13 and 14 are fixed to the rotating shaft 12, and the cylindrical body is formed by the sealing plates 13 and 14. 11 is sealed.
  • the inside of the cylindrical body 11 is filled with a working fluid that repeats evaporation and condensation, such as naphthalene or quinoline.
  • the rotary cooling roll 4 is pivotally supported by bearings 15 and 16 (see FIG. 7) on the airframe side at both ends 12a and 12b of the rotary shaft 12.
  • Water chamber cover plates 17 and 18 are provided outside the sealing plates 13 and 14 in the cylindrical body 11, and the water chamber cover plates 17 and 18 and the sealing plate 13 are provided. , 14 and the inner surface of the cylindrical body 11 constitute water chambers 19, 20.
  • a plurality of cooling pipes 21 extending in the axial direction of the cylindrical body 11 and passing through both the sealing plates 13, 14 and communicating with both the water chambers 19, 20 are circular.
  • the cooling water that is provided side by side along the circumferential direction and is supplied into one of the two water chambers 19 and 20 through the shaft hole of the rotating shaft 12 is the water chamber 20 of this one. Then, the water is distributed in the cooling pipes 21, and after passing through the cooling pipes 21, the other water chamber 19 is discharged.
  • a circular shape covering both ends of the cylindrical body 11 End covers 22 and 23 are provided outside the both water chamber cover plates 17 and 18 of the cylindrical body 11.
  • a rotating shaft 12 passes through the center of each of the end covers 22 and 23.
  • the end covers 22 and 23 serve as decorative panels for covering the water chamber lid plates 17 and 18.
  • a transmission unit 32 (see FIGS. 4 and 5) including a transmission antenna 31 on the inner surface of one end cover 23 of both end covers 22 and 23 is provided. Installed. By installing the end force nodes 22 and 23, spaces 24 and 25 are formed between the water chamber lid plates 17 and 18 and the end canopies 22 and 23. These spaces 24 and 25 are formed when the cooling roll is rotated.
  • the space 25 is configured to be larger than the space 24.
  • An annular spacer 26 is interposed. As shown in FIG. 4, the end cover 23 is fixed to the water chamber cover plate 18 via a spacer 26 with screws 84.
  • the cooling roll having the above configuration is provided with a temperature measuring device for measuring the surface temperature of the cooling roll.
  • This temperature measuring device includes a resistance temperature detector 30 (see FIG. 2) as a temperature detecting means embedded in a surface layer of a cylindrical body 11 and also having a platinum force, and a transmitting antenna attached to the inside of an end cover 23.
  • Transmitter 32 equipped with 31 (specifically, transmission circuit section), transmission unit 32 including batteries, etc. (see Fig. 4 and Fig. 5), and cooling roll pedestal legs 33a, 33b (see Fig. 7 and Fig. 8)
  • Receivers 36 and 37 (see Fig. 7 and Fig. 8) equipped with receiving antennas 34 and 35 attached to the control unit 38, and a control unit 38 (see Fig.
  • the radio wave used in the transmitter is a weak radio wave having a communication distance of about lm. As a result, many peripheral devices around the cooling roll are This has the advantage that there will be no adverse effects such as malfunction.
  • the temperature measuring resistor 30 is embedded in the outer peripheral surface of the cylindrical body 11 and at least an area where the sheet to be cooled comes into contact.
  • the lead wire of the resistance temperature detector 30 is connected to the transmission unit 32 attached to the inner surface of the end cover 23.
  • the transmission unit 32 includes a battery 40 as a power source.
  • the battery 40 it is preferable to use a heat-resistant specification battery (for example, an AA type battery manufactured by Electrocbem) in consideration of the high temperature in the space 25.
  • the battery 40 is housed in a battery box.
  • the open / close lid 41 (see FIGS. 4 and 5) is secured to the outer surface of the end force bar 23 by screws 85. The screw 85 is removed and the open / close lid 41 is removed from the outer surface of the end cover 23. As a result, the battery can be replaced!
  • the end cover 22 is made of metal, but the end cover 23 is made of resin (for example, salty vinyl).
  • the end cover is usually made of metal. If a metal cover is used as the end cover 23, the weak radio wave from the transmitting antenna 31 is shielded by the metal end cover, and sufficient reception is obtained. I can't. Therefore, in this embodiment, the end cover 23 is made of a resin. In the present embodiment, the end cover 23 is made of resin and the end cover 22 is made of metal. However, the present invention is not limited to this, and the end covers 22 and 23 may be made of resin. Good.
  • the end cover 23 can be made of non-metal, made of grease, wooden, cardboard, glass, tempered glass, or processed mineral material (my power board (mica)). There may be.
  • end cover 122 may also be made of resin, wood, cardboard, glass, tempered glass, mineral additive (my power board (mica)), etc. .
  • end cover 23 is made of a non-metal, the end cover 22 and the end cover 23 are made of different materials (for example, the end cover 22 is made of resin and the end as long as the limit is satisfied.
  • the cover 23 may be made of glass.
  • the transmitting antenna 31 is provided on the inner surface of the end cover 23 .
  • the transmitting antenna 31 may be damaged.
  • the cooling roll replacement operation will be an obstacle, and a smooth replacement operation cannot be performed! /
  • a balance weight may be provided on the end cover 22 side.
  • the two receivers 36 and 37 are provided for the following reason. That is, in the method using one receiving antenna, when the shape of the transmitting antenna 31 is small, the radio wave from the transmitting antenna 31 may be shielded by the rotating shaft 12 and may not be received by the receiving antenna. On the other hand, when the shape of the transmission antenna 31 is large, the area shielded by the rotating shaft 12 is reduced, so that the reception state tends to be good. However, if the shape of the transmitting antenna 31 is increased, the transmission energy increases, which is appropriate for a configuration in which power consumption is reduced as much as possible by adopting a radio system of weak radio waves!
  • the shape of the transmitting antenna 31 is too large, it is difficult to install the transmitting antenna 31 on the inner side surface of the end cover 23. Therefore, a certain restriction is imposed on the size of the shape of the transmitting antenna 31 in order to obtain a good reception state with low power consumption. As a result, with the method using one receiving antenna, there is a possibility that a good receiving state cannot always be obtained while the cooling roll is rotating. Therefore, in order to solve this problem, in this embodiment, a method using two receiving antennas 34 and 35 is adopted.
  • the transmission antenna 31 a wire antenna bent in an L shape is used as the transmission antenna 31.
  • the antenna shape L-shaped in this way, a wide range of directional characteristics can be obtained compared to a single rod-shaped antenna shape, so the reception accuracy at the receiving antenna is improved.
  • the transmitting antenna 31 has a first straight portion 31a and a second straight portion 31b bent at a right angle to the first straight portion 31a, and the first straight portion 31a and the first straight portion 31a The two straight portions 31b have the same overall length. Then, the transmission antenna 31 is attached to the end cover 23. As shown in FIG.
  • the transmission unit 32 (corresponding to the transmitter main body) connects the center and the apex of the end cover 23.
  • the first straight line portion 31a is positioned perpendicular to the straight line L1 and the second straight line portion 31b is parallel to the straight line L1 while being positioned on the connecting straight line L1.
  • the receiving antennas 34 and 35 are arranged so as to be perpendicular to the transmitting antenna 31 in order to improve the receiving sensitivity, and further, the receiving antenna 34 and the receiving antenna 35 are arranged.
  • the transmitting antenna 31 and the two receiving antennas 34 and 35 are attached so as to be in the arrangement shown in FIG.
  • the reception antenna 34 and the reception antenna 35 are arranged symmetrically with respect to a vertical line passing through the center of the end cover 23 in a plan view of the end cover 23.
  • the position where the two receiving antennas 34 and 35 are not simultaneously shaded by the rotating shaft 12 is excluded, while the transmitting antenna 31 makes one rotation accompanying the rotation of the cooling roll.
  • the transmitting antenna 31 rotates following the rotation of the cooling roll. As a result, an area in which the transmission antenna 31 is shaded by the rotation axis 12 with respect to the reception antennas 34 and 35 is generated. If the receiving antenna is located in an area that is a shadow of the rotating shaft 12, it is blocked by the rotating shaft 12 and good reception is impossible. Therefore, if the two receiving antennas 34 and 35 are arranged so that they do not exist in the region that is shaded by the rotation axis 12 at the same time, at least one of the receiving antennas can obtain a good reception state. Therefore, as shown in FIG.
  • FIG. 10 is a block diagram showing an electrical configuration of the temperature measuring device.
  • the electrical configuration of the transmission unit 32 includes a sensor amplifier 50 that amplifies the detection signal from the resistance temperature detector 30, and an analog detection signal that is amplified by the sensor amplifier 50 to convert it into a digital detection signal.
  • the control circuit 52 is realized by a microcomputer having the above functions, the transmitter 53 includes the transmission antenna 31 described above, and the battery 40 described above.
  • the resistance value of the resistance temperature detector 30 changes depending on the temperature, and this change is given as an analog voltage value to the sensor amplifier 50 and amplified by a predetermined gain.
  • the analog detection signal amplified by the sensor amplifier 50 is converted into a digital detection signal by the AZD converter 51 and given to the control circuit 52.
  • the control circuit 52 gives a digital detection signal to the transmitter 53.
  • the transmitter 53 includes a transmission circuit including a modulation circuit that modulates the digital detection signal, and transmits the modulation signal on a carrier wave having a predetermined frequency and transmits it from the transmission antenna 31. In the modulation circuit, FM modulation or FSK modulation is performed.
  • the receivers 36 and 37 including the receiving antennas 34 and 35 include a receiving circuit including a demodulation circuit.
  • the control unit 38 receives the received signals from the receivers 36 and 37 and switches to one of the signals.
  • the control unit 38 determines the signal level of each received signal and switches the switching circuit 55.
  • Level discriminating circuit 56 a control circuit 57 for inputting detected temperature data and outputting a predetermined control signal, a display 58 for monitoring the surface temperature based on display data from the control circuit 57, and a commercial AC power supply
  • a power supply circuit 60 for converting the power supplied from 59 to a DC power supply of a predetermined voltage.
  • the DC voltage from the power supply circuit 60 is supplied to each circuit element in the control mute 38 and is also supplied as an operating power supply in the two receivers 36 and 37.
  • the level determination circuit 56 is a switch for switching to the other reception signal side when one of the reception levels of the two receivers 36 and 37 is lower than a predetermined reference level.
  • the signal is output to the switching circuit 55.
  • a predetermined receiver of the two receivers 36 and 37 is selected.
  • the received signal from the receiver 37 is selected. ing. Therefore, for example, if the reception levels of the two receivers 36 and 37 are both higher than the reference level, the reception from the receiver 37 A signal is selected.
  • the reception level of the receiver 37 is less than the reference level
  • the reception signal from the receiver 36 is selected.
  • the reception level of the receiver 36 is less than the reference level
  • the reception signal from the receiver 37 is selected.
  • FIG. 9 is a view as seen from the inside of the end cover 23.
  • P2 is the installation position of the reception antenna 35
  • P3 is the installation position of the reception antenna 34.
  • both the receiving antennas 34 and 35 are located outside the shadow of the rotating shaft 12 with respect to the transmitting antenna 31, so the receiving state is good. is there.
  • the switching circuit 55 is switched to the reception signal of the receiver 37, the reception signal from the receiver 37 is given to the control circuit 57.
  • the level discrimination circuit 56 determines that the reception signal from the receiver 37 is less than the reference level, and the switching circuit 55 receives the reception signal from the receiver 36. A switching signal for switching to the side is output. As a result, the received signal from the receiver 36 is given to the control circuit 57.
  • the receiving antennas 34 and 35 are both located in the region outside the shadow of the rotating shaft 12 with respect to the transmitting antenna 31, Both conditions are good.
  • the level discrimination circuit 56 determines that the received signals from the receivers 36 and 37 are both equal to or higher than the reference level, the level discrimination circuit 56 is provided on the side of the reception signal from the receiver 37. A switching signal for switching is output. As a result, the reception signal from the receiver 37 is given to the control circuit 57.
  • the receiving antenna 35 is located in a region outside the shadow of the rotating shaft 12 with respect to the transmitting antenna 31.
  • the receiving antenna 34 is rotated. It will be in the shadow area S1 of axis 12.
  • the level determination circuit 56 determines that the received signal is less than the reference level, but the reception state from the receiver 37 is good. Therefore, the switching circuit 55 is switched off.
  • the conversion state is maintained as it is, that is, the reception signal side from the receiver 37 is maintained. As a result, a reception signal from the receiver 37 is given to the control circuit 57.
  • the switching circuit 55 receives the signal from the receiver 37.
  • the signal side is maintained, so that the received signal from the receiver 37 is given to the control circuit 57.
  • a good reception signal is always given to the control circuit 57 during one rotation of the cooling roll. Therefore, the surface temperature is always monitored on the display 58 without being temporarily disabled during rotation of the cooling roll.
  • the control circuit 57 is configured to perform control for automatically controlling the cooling water in addition to monitoring the surface temperature on the display 58, the control circuit 57 is predetermined based on the surface temperature measurement data obtained at all times. The amount of control is calculated by calculating the above, and the opening of the cooling water supply valve 90 (see Fig. 7) is adjusted.
  • FIG. 11 is a cross-sectional view of the rotary cooling roll according to the second embodiment
  • FIG. 12 is an enlarged cross-sectional view of the vicinity of the end of the rotary cooling roll according to the second embodiment
  • FIG. 13 is a rotary type according to the second embodiment.
  • FIG. 14 is a view of the inner end force of the resin end cover provided at one end of the cooling roll, and FIG. 14 shows a state where the communication hole is closed by the opening / closing lid provided in the rotary cooling roll according to the second embodiment.
  • FIG. 15 is an exploded perspective view of the vicinity of the communication hole provided in the rotary cooling roll according to the second embodiment
  • FIG. 16 is a communication hole provided by the opening / closing lid provided in the rotary cooling roll according to the second embodiment. It is sectional drawing which shows the state by which was open
  • the end cover 23 is formed with a circular communication hole 42 that allows the inner space 25 to communicate with the outside.
  • the communication hole 42 is not limited to a circle and may have other shapes.
  • the communication hole 42 can be opened and closed by an opening / closing lid 43 provided on the inner side surface 23 a of the end cover 23.
  • the open / close lid 43 includes a metal large-diameter portion 44 and a rubber small-diameter portion 45.
  • the diameter of the small diameter portion 45 is set larger than the diameter of the communication hole 42 so that the communication hole 42 can be closed.
  • the small-diameter portion 45 may be made of metal and may have a configuration in which a rubber plate is attached to the end surface.
  • a first coil panel 46 made of a shape memory alloy is interposed on the outer periphery of the small diameter portion 45.
  • One end of the first coil panel 46 made of shape memory alloy is fixed to one end face 44a (the right end face in FIG. 14) of the large diameter portion 44, and the other end is fixed to the inner face 23a of the end cover 23.
  • a support shaft 47 is formed in a body-like manner on the other end surface 44b (the left end surface in FIG. 14) of the large diameter portion 44, and the tip of the support shaft 47 is formed on the water chamber cover plate 18. It fits into the recessed part 48.
  • a second coil panel 49 not made of a shape memory alloy is interposed on the outer periphery of the support shaft 47. One end of the second coil panel 49 is fixed to the surface of the water chamber lid plate 18, and the other end is fixed to the other end surface 44 b of the large diameter portion 44.
  • the first coil panel 46 made of shape memory alloy urges the opening / closing lid 43 in the opening direction
  • the second coil panel 49 urges the opening / closing lid 43 in the closing direction
  • the first coil spring made of shape memory alloy is configured such that the tensile force disappears when the temperature is lower than the predetermined temperature, and the tensile force larger than the panel force of the second coil panel 49 is generated when the temperature is higher than the predetermined temperature.
  • the air in the inner space 25 When the air in the inner space 25 reaches a predetermined temperature or more, it is piled on the panel force of the second coil panel 49 and the opening / closing lid 43 is urged in the opening direction by the tensile force of the first coil panel 46, so that the communication hole 42 is formed. It will be in the open state (state shown in Fig. 16). As a result, the inner space 25 communicates with the outside through the communication hole 42. As a result, the high temperature air in the inner space 25 is mixed or replaced with the cooler external air, and the temperature drops.
  • the lid plate 43 is opened and closed in accordance with the temperature change of the inner space 25, so that the inner space 25 is prevented from becoming hot.
  • the communication hole 42 is It is preferable to provide in the vicinity of a transmitter or the like. When the communication hole 42 is provided at a position distant from the transmitter 53 or the like, it takes time to be affected by the temperature drop due to the opening of the communication hole 42, and the transmitter is exposed to high temperatures.
  • the battery 40 is not limited to the heat resistant specification battery used in the first embodiment (for example, an AA type manufactured by Electrocbem). Instead of a battery, a normal battery that is not heat resistant can be used. Heat-resistant specification batteries are expensive, and therefore the use of ordinary batteries can reduce costs.
  • a temperature within the range of 35 ° C. to 45 ° C. is selected as the predetermined temperature.
  • a tensile force is generated and disappears at 40 ° C as a boundary.
  • the heat dissipation effect is smaller than that of a conventional metal end cover, so that heat stays in the inner space 25. And become hot. Then, for example, even when a large amount of cooling water flows into the water chamber 20, heat is transferred from the inner space 25 to the water chamber cover plate 18, so water is cooled by the cooling water in the water chamber 20. It works to alleviate the cooling of the non-contact area via the chamber lid plate 18. As a result, prevention of condensation can be suppressed. However, if heat accumulates in the inner space 23 and becomes high temperature, it is the opposite from the viewpoint of preventing thermal destruction of electronic components. It will be effective. Therefore, by setting the predetermined temperature at which the opening / closing lid 43 is opened to 40 ° C., both effects of preventing condensation in a non-contact area and preventing thermal destruction of electronic components can be achieved at the same time.
  • FIG. 17 is a cross-sectional view showing a state where the communication hole is closed by an opening / closing lid provided in the rotary cooling roll according to the third embodiment
  • FIG. 18 is an exploded perspective view of the vicinity of the communication hole according to the second embodiment.
  • FIG. 6 is a cross-sectional view showing a state in which a communication hole is opened by an opening / closing lid provided in the rotary cooling roll according to the third embodiment.
  • the first memory panel 46 made of shape memory alloy is interposed on the outer periphery of the small diameter portion 45!
  • the first coil panel 46 made of shape memory alloy is larger.
  • a plurality of first coil panels 46 are arranged around the small diameter portion 45 while being interposed between the diameter portion 44 and the end cover 23. Even in such a configuration, the opening / closing operation of the opening / closing lid 43 is performed according to the temperature change of the inner space 25 as in the second embodiment, so that the inside space 25 is prevented from being heated to a high temperature. .
  • the plurality of first coil panels 46 are preferably arranged at equal intervals in the circumferential direction of the small diameter portion 45.
  • the rotary cooling roll is a so-called rotary cooling roll, in which a working fluid that repeats evaporation and condensation is filled in a cylindrical body, and a cooling pipe through which cooling water flows is provided.
  • a heat pipe type cooling roll is used, the present invention is not limited to this.
  • a lid with a hollow shaft is attached to a pipe-shaped roll, cooling water is supplied from one shaft portion, and the other shaft is mounted. It may be possible to use a cooling roll with a structure that discharges a partial force, or a spiral cooling roll that is provided with a spiral cooling water pipe inside to make the temperature of the roll surface uniform.
  • the temperature measuring device for the rotary cooling roll has been described.
  • the present invention is not limited to this, and the temperature measuring device for the rotary heat roll can also be applied.
  • a rotary heat roll a cylindrical body is filled with a working fluid that repeats evaporation and condensation, and superheated water (or superheated steam) flows inside.
  • a so-called heat pipe type heat roll provided with a heat pipe may also be used.
  • a pipe-shaped roll is attached with a cover with a hollow shaft, and superheated water (or superheated steam is introduced from one shaft portion. ) And discharge the axial force of the other shaft.
  • a heated superheated water (or superheated steam) pipe inside so that the roll surface temperature is uniform. It may be a spiral heat roll configured as described above.
  • the transmitting antenna is formed in an L shape.
  • the present invention is not limited to this, and may have other shapes.
  • the transmitting antenna is a wire antenna, but a pattern antenna, a chip antenna, etc. may be used!
  • the reception signal from the receiver 37 is selected.
  • the reception signal from the receiver 36 may be selected.
  • the receiver and the control unit are configured separately and independently.
  • the receiver is configured as a receiver having a temperature display function by incorporating the control unit in the receiver. A little.
  • the present invention relates to a manufacturing apparatus for various sheets and films of cellophane, aluminum foil, paper, synthetic resin, etc., or a processing apparatus for these various sheets and various films, or among these various sheets and various films.
  • a laminating device that bonds or laminates multiple sheets of the same or different types, or a rotary type used for extrusion laminating equipment that bonds the resin while extruding synthetic resin to the various sheets and films. It can be suitably applied to a roll temperature measuring device.
  • FIG. 1 is a diagram showing a schematic configuration of an extrusion type laminating machine provided with a temperature measuring device for a rotary cooling roll according to Embodiment 1.
  • FIG. 2 is a diagram showing an overall configuration of a cooling roll provided with a temperature measuring device for a rotary cooling roll according to Embodiment 1.
  • FIG. 3 is a sectional view of a cooling roll.
  • FIG. 4 is an enlarged sectional view near the end of the cooling roll.
  • FIG. 5 A view of the inner end force of the resin end cover provided on one end of the cooling roll.
  • FIG. 6 is an enlarged plan view of a receiving antenna.
  • FIG. 7 is a view showing a support structure for a cooling roll.
  • FIG. 8 is a side view of the cooling roll support structure shown in FIG. 7 as viewed from the right.
  • FIG. 9 is a diagram for explaining a temperature measuring operation by the temperature measuring device.
  • FIG. 10 is a block diagram showing an electrical configuration of the temperature measuring device.
  • FIG. 11 is a cross-sectional view of a rotary cooling roll according to Embodiment 2.
  • FIG. 12 is an enlarged cross-sectional view of the vicinity of the end of the rotary cooling roll according to the second embodiment.
  • FIG. 13 is a view of the inner end force bar of the resin end force bar provided on one end side of the rotary cooling roll according to the second embodiment.
  • FIG. 14 is a cross-sectional view showing a state where the communication hole is closed by an open / close lid provided in the rotary cooling roll according to the second embodiment.
  • FIG. 15 is an exploded perspective view of the vicinity of a communication hole provided in the rotary cooling roll according to the second embodiment.
  • FIG. 16 is a cross-sectional view showing a state in which the communication hole is opened by an opening / closing lid provided in the rotary cooling roll according to the second embodiment.
  • FIG. 17 is a cross-sectional view showing a state where the communication hole is closed by an open / close lid provided in the rotary cooling roll according to the third embodiment.
  • FIG. 18 is an exploded perspective view of the vicinity of the communication hole according to the second embodiment.
  • FIG. 19 is a cross-sectional view showing a state in which the communication hole is opened by an opening / closing lid provided in the rotary cooling roll according to the third embodiment.
  • Opening / closing lid 44 Large diameter part: Small diameter part 46: 1st coil panel: 2nd coil panel 52, 57: Control circuit: Transmitter 55: Switching circuit: Level discriminating circuit 58: Display

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

Le problème à résoudre dans le cadre de la présente invention est de proposer un dispositif de mesure de température de rouleau rotatif. La solution proposée consiste en un dispositif de mesure de température de rouleau rotatif qui comprend : une résistance de mesure de température (30) encastrée dans la couche superficielle d'un corps cylindrique (11) ; une unité de transmission (31) fixée à une surface interne d'un couvercle d'extrémité en résine (23) ; deux récepteurs ; et une unité de contrôle pour juger si chacun des récepteurs est dans un état de réception préférable, sélectionner des informations de température dans un état de réception préférable, et afficher des données de température selon les informations de température sélectionnées. L'unité de transmission (32) comprend un transmetteur qui possède une antenne de transmission (31) et une cellule pour fournir de l'électricité au transmetteur. Les deux antennes de réception sont agencées dans des positions telles qu'elles ne sont pas simultanément cachées par un arbre de rotation de rouleau de refroidissement (12) par rapport à l'antenne de transmission (31) au cours d'un tour du rouleau de refroidissement.
PCT/JP2007/055356 2006-03-17 2007-03-16 Dispositif de mesure de temperature de rouleau rotatif, rouleau rotatif utilisant le dispositif de mesure de temperature, et procede de mesure de temperature Ceased WO2007111160A1 (fr)

Priority Applications (1)

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KR1020087023254A KR101115165B1 (ko) 2006-03-17 2007-03-16 회전식 롤의 온도측정장치, 이 온도측정장치를 구비한 회전식 롤 및 온도측정방법

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JP2006074955 2006-03-17
JP2006-074955 2006-03-17

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WO2007111160A1 true WO2007111160A1 (fr) 2007-10-04

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN103994839A (zh) * 2013-11-29 2014-08-20 杭州欣美成套电器制造有限公司 圆柱形导体无线温度采集系统及其采集方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102079129B1 (ko) * 2018-11-23 2020-02-19 주식회사 경일테크 열전사용 히팅드럼

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Publication number Priority date Publication date Assignee Title
JPS60161152A (ja) * 1984-01-26 1985-08-22 Toppan Printing Co Ltd 冷却装置
JPS63282393A (ja) * 1987-05-09 1988-11-18 株式会社ササクラ 回転ローラ式冷却装置
JPH11118622A (ja) * 1997-10-17 1999-04-30 Nippon Seiko Kk 回転体装置
JP2001056263A (ja) * 1999-08-17 2001-02-27 Pacific Ind Co Ltd タイヤ空気圧監視装置
JP2005042895A (ja) * 2003-07-25 2005-02-17 Nsk Ltd 転がり軸受装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60161152A (ja) * 1984-01-26 1985-08-22 Toppan Printing Co Ltd 冷却装置
JPS63282393A (ja) * 1987-05-09 1988-11-18 株式会社ササクラ 回転ローラ式冷却装置
JPH11118622A (ja) * 1997-10-17 1999-04-30 Nippon Seiko Kk 回転体装置
JP2001056263A (ja) * 1999-08-17 2001-02-27 Pacific Ind Co Ltd タイヤ空気圧監視装置
JP2005042895A (ja) * 2003-07-25 2005-02-17 Nsk Ltd 転がり軸受装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103994839A (zh) * 2013-11-29 2014-08-20 杭州欣美成套电器制造有限公司 圆柱形导体无线温度采集系统及其采集方法
CN103994839B (zh) * 2013-11-29 2016-05-18 杭州欣美成套电器制造有限公司 圆柱形导体无线温度采集系统及其采集方法

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TWI327955B (fr) 2010-08-01
KR20080110758A (ko) 2008-12-19
KR101115165B1 (ko) 2012-04-06

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