Multipoint contact type temperature measuring device for surface of color-coated sheet

Abstract

The utility model discloses a color-coated sheet surface multi-point contact type temperature measuring device which comprises a support assembly, a driving assembly connected with the support assembly, an adjusting support rod assembly arranged on the support assembly, and a roller contact type thermocouple assembly arranged on the adjusting support rod assembly. According to the utility model, the plurality of groups of adjusting support rod assemblies are combined with the contact type thermocouple assemblies with the rollers, so that accurate detection of the temperature of the inner surface of the cross section of the whole color-coated sheet to be detected is realized; the temperature measuring thermocouple can be remotely controlled to carry out contact-type temperature accurate verification and detection, damage to a color-coated sheet to be detected caused by field abnormal conditions is effectively avoided by arranging the limit switch, color-coating curing production and temperature verification work of field online infrared temperature measuring products can be effectively guided by introducing the device to a color-coating field, and the detection efficiency is improved. And the energy consumption is reduced, and the workload of on-site workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to temperature measuring device technical field, concretely relates to a kind of multicontact temperature measuring device on the surface of color coated sheet. BACKGROUND

[0002] Color coated sheet refers to the product that organic coating is applied on the surface of base plate steel sheet in continuous production process, carries out a series of surface treatment, painting, baking and so on, as a kind of composite material, not only high strength, easy forming, and have good corrosion resistance and oxidation resistance, environmental protection, weather resistance, simultaneously organic coating can be matched into various different colors, and can be made into various patterns such as imitation wood grain, leather grain and so on by means of printing, embossing and other technologies, so that color coated sheet has good decorative performance, so it has been more and more widely used in building, household appliance, food packaging, house decoration, home furnishing, automobile manufacturing, new energy and transportation and other fields.

[0003] In the production process of color coated sheet, coating heating and curing is a key process, after coating is applied on base plate, solvent in wet coating is volatilized by heating, and organic matter is polymerized or crosslinked under the action of catalyst, so that coating is firmly bonded with base plate, and also has certain mechanical and physical properties, so the control of curing process temperature parameter directly affects the product performance of color coated sheet, in heating and curing process, chemical reaction changes with temperature, if temperature is too low, reaction is incomplete, and the curing performance of coating cannot be guaranteed, which affects service life, and if temperature is too high, discoloration, fading and peeling of coating are caused, which also affects the quality of coating and causes high energy consumption, therefore, controlling curing temperature is one of important means to improve the quality of color coated sheet.

[0004] At present, color coated sheet temperature measuring device basically uses 2 micron short wave low temperature single wavelength infrared temperature measuring product to monitor strip steel temperature at three positions of finishing coating, initial coating curing furnace outlet and finishing coating curing furnace outlet to control coating curing production, but single point infrared temperature measuring product is limited in measuring strip steel temperature area, cannot reflect the curing condition of coating on the surface of entire section of strip steel, and many paint molecules are often adhered to the surface of temperature measuring instrument lens in color coating field, causing temperature measuring abnormality, in addition, the emissivity of traditional point type temperature measuring changes greatly due to the change of dozens of finishing coating in color coating field, so manual calibration of point type temperature measuring instrument temperature by handheld thermocouple is needed to correct the emissivity coefficient value of single point instrument, which brings many problems to on-site production, and traditional surface type thermal imaging temperature measuring cannot overcome the influence factors such as real-time change of paint molecules and the emissivity of strip steel surface, so that temperature measuring deviation is large, and cannot be effectively used for production control and guidance, therefore, a kind of multicontact temperature measuring device on the surface of color coated sheet is proposed. UTILITY MODEL CONTENTS

[0005] The utility model discloses a purpose at providing a kind of multicontact temperature measuring device of color coated sheet surface, to solve the problem presented in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of multicontact temperature measuring device of color coated sheet surface, including,

[0007] Support assembly;

[0008] Drive assembly, the drive assembly is connected with the support assembly;

[0009] Adjusting support rod assembly, the adjusting support rod assembly is set on the support assembly;

[0010] With roller contact type thermocouple assembly, the with roller contact type thermocouple assembly is set on the adjusting support rod assembly;

[0011] Control display component, the drive assembly and the with roller contact type thermocouple assembly are connected with the control display component.

[0012] Preferably, the support assembly includes a fixing member, a guide rail and a fixed support;

[0013] The fixing member is provided with two, two The fixing member is symmetrically arranged on the two sides of the color coated sheet to be measured, the fixing member is provided with the guide rail, and the fixed support is arranged between the two fixing members through the guide rail.

[0014] Preferably, the drive assembly includes a drive motor, a drive gear and a rack;

[0015] The drive motor is arranged on the outer side of the fixed support, the drive gear is arranged on the output shaft of the drive motor, the rack is arranged on the fixed support, and the drive gear and the rack are engagedly connected.

[0016] Preferably, the adjusting support rod assembly is provided with a plurality of, and a plurality of The adjusting support rod assembly is equidistantly arranged at the position corresponding to the side of the color coated sheet to be measured on the inner side of the fixed support;

[0017] The adjusting support rod assembly includes a support rod, an adjusting screw and an adjusting handle;

[0018] The support rod is arranged between the fixed support and the with roller contact type thermocouple assembly, the adjusting screw is threadedly connected in the middle part of the support rod, and the adjusting handle is arranged on the adjusting screw.

[0019] Preferably, the with roller contact type thermocouple assembly is provided with a plurality of, and a plurality of The with roller contact type thermocouple assembly and a plurality of The adjusting support rod assembly are connected one by one;

[0020] The roller contact type thermocouple assembly comprises a roller support, a roller and a temperature measuring thermocouple;

[0021] The roller support is connected with the support rod, the roller is arranged inside the roller support, and the temperature measuring thermocouple is arranged on the roller support and corresponds to the roller;

[0022] The outside of the temperature measuring thermocouple protrudes higher than the roller, and the temperature measuring thermocouple is distributed towards one side of the to-be-measured color coated plate.

[0023] Preferably, the control and display assembly comprises a PLC and a display;

[0024] The driving motor and the temperature measuring thermocouple are connected with the PLC, and the PLC is connected with the display.

[0025] Preferably, a limit switch is arranged at one end of the rack towards the to-be-measured color coated plate, and the limit switch is connected with the PLC.

[0026] Preferably, a pressure sensor is arranged on the inside of the roller support, and the pressure sensor is connected with the PLC.

[0027] Compared with the prior art, the present application has the following beneficial effects:

[0028] The present application combines multiple sets of adjusting support rod assemblies and roller contact type thermocouple assemblies, realizes accurate detection of the inner surface temperature of the entire to-be-measured color coated plate cross section, can realize remote control of the temperature measuring thermocouple for contact type temperature accurate calibration and detection, effectively avoids damage to the to-be-measured color coated plate caused by abnormal conditions on site through the arrangement of the limit switch, effectively guides the color coating curing production and the temperature calibration work of the on-site online infrared temperature measuring product through the introduction of the device in the color coating site, and improves the product quality, reduces energy consumption and reduces the workload of workers on site. BRIEF DESCRIPTION OF DRAWINGS

[0029] Fig. 1 It is a top view structural schematic diagram of the present application;

[0030] Fig. 2 It is a side view structural schematic diagram of the present application.

[0031] In the figure: 1, fixing part; 2, guide rail; 3, fixed support; 4, to-be-measured color coated plate; 5, driving motor; 6, driving gear; 7, rack; 8, support rod; 9, adjusting screw; 10, adjusting handle; 11, roller support; 12, roller; 13, temperature measuring thermocouple; 14, PLC; 15, display; 16, limit switch; 17, pressure sensor. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0033] Please refer to Figs. 1-2 The temperature measuring device for the surface of the color coated sheet provided by the utility model comprises,

[0034] The support assembly comprises two fixed parts 1, a guide rail 2 and a fixed support 3. The two fixed parts 1 are symmetrically arranged on the two sides of the color coated sheet 4 to be measured, the guide rail 2 is arranged on the fixed part 1, and the fixed support 3 is arranged between the two fixed parts 1 through the guide rail 2.

[0035] The driving assembly is connected with the support assembly, and comprises a driving motor 5, a driving gear 6 and a rack 7. The driving motor 5 is arranged on the outer side of the fixed support 3, the driving motor 5 can be fixed on the outer side of the fixed support 3 through a mounting frame, the driving gear 6 is arranged on the output shaft of the driving motor 5, the rack 7 is arranged on the fixed support 3, and the driving gear 6 and the rack 7 are in meshing connection.

[0036] In order to realize the remote online calibration of the non-contact online infrared temperature measuring instrument, the contact type thermocouple with a roller is mounted on the fixed part, and the driving motor, the driving gear, the rack and the guide rail are combined, the meshing of the driving gear and the rack on the fixed part, the circumferential rotation of the driving gear and the sliding of the fixed part on the guide rail are utilized, the forward and backward linear motion of the thermocouple on the surface of the color coated sheet to be measured is realized, so that the driving motor is remotely controlled in the operation room to make the thermocouple contact the strip steel to measure the temperature and leave the color coated sheet to be measured to avoid the long-time contact of the patch with the color coated sheet to be measured and the frictional heating.

[0037] The adjusting support rod assembly is arranged on the support assembly, and a plurality of adjusting support rod assemblies are arranged at equal intervals at the position corresponding to one side of the color coated sheet 4 to be measured on the inner side of the fixed support 3. The adjusting support rod assembly comprises a support rod 8, an adjusting screw rod 9 and an adjusting handle 10. The support rod 8 is arranged between the fixed support 3 and the contact type thermocouple assembly with a roller, the adjusting screw rod 9 is threadedly connected in the middle part of the support rod 8, and the adjusting handle 10 is arranged on the adjusting screw rod 9.

[0038] A length adjusting screw rod is arranged on each support rod, so that the length of the temperature measuring thermocouple can be adjusted, the contact is not real and the temperature is not accurate due to the slight error of the length of the temperature measuring thermocouple, and the best temperature measured by the contact type thermocouple is ensured.

[0039] The roller contact type thermocouple assembly is arranged on the adjusting support rod assembly, and a plurality of roller contact type thermocouple assemblies are arranged, and the plurality of roller contact type thermocouple assemblies and the plurality of adjusting support rod assemblies are connected in one-to-one correspondence; the roller contact type thermocouple assembly comprises a roller support 11, a roller 12 and a temperature measuring thermocouple 13; the roller support 11 is connected with the support rod 8, the roller 12 is arranged on the inner side of the roller support 11, and the temperature measuring thermocouple 13 is arranged on the roller support 11 and corresponds to the rollers 12; and the outer side of the temperature measuring thermocouple 13 protrudes higher than the roller 12, and the temperature measuring thermocouple 13 is distributed towards the side of the measured color coated plate 4.

[0040] In order to realize accurate monitoring of the surface temperature of the measured color coated plate at the outlet of the color coating field curing furnace and calibration of the non-contact online infrared temperature measuring instrument, and to avoid scratching the measured color coated plate, a roller contact type thermocouple is used to accurately measure the surface temperature of the measured color coated plate; when the thermocouple contacts the measured color coated plate, the rollers arranged on both sides of the roller contact type thermocouple patch are attached to the measured color coated plate and rotate circumferentially with the movement of the measured color coated plate, thereby effectively preventing the measured color coated plate from being scratched.

[0041] The control display assembly, the driving assembly and the roller contact type thermocouple assembly are connected with the control display assembly, the control display assembly comprises a PLC 14 and a display 15; the driving motor 5 and the temperature measuring thermocouple 13 are connected with the PLC 14, the PLC 14 is connected with the display 15, a limit switch 16 is arranged on one end of the rack 7 towards the measured color coated plate 4, the limit switch 16 is connected with the PLC 14, and a pressure sensor 17 is arranged on the inner side of the roller support 11, and the pressure sensor 17 is connected with the PLC 14.

[0042] In order to ensure that the temperature measuring thermocouple can completely contact the measured color coated plate for the most accurate temperature measurement, a pressure sensor is arranged at the end of the temperature measuring thermocouple, and the pressure value when the measured color coated plate completely contacts the thermocouple during on-site installation and debugging is tested and recorded, thereby providing a theoretical basis for the later remote control of the motor to operate the thermocouple to contact the measured color coated plate.

[0043] In order to avoid unexpected situations such as abnormal pressure sensor, which may cause the temperature measuring thermocouple to contact the measured color coated plate too tightly and scratch the measured color coated plate or cause production abnormalities such as damage to the measured color coated plate, a limit switch is arranged at the end of the rack driving the temperature measuring thermocouple, and the limit switch is installed at the limit position where the measured color coated plate is scratched by the thermocouple head contacting too tightly; when the driving motor controls the driving gear to rotate the rack to reach the limit switch position, the motor movement is automatically cut off, thereby avoiding further movement of the rack to scratch the measured color coated plate.

[0044] The utility model discloses a plurality of groups of adjusting support rod subassembly and the combination of contact type thermocouple subassembly with the roller, when using, according to the pressure value that pressure sensor 17 detects when debugging temperature measuring thermocouple 13 and the complete contact of the color coated plate 4, through the rotation of adjusting handle 10, make adjusting screw rod 9 rotate on support rod 8, and then adjust the combination length of adjusting screw rod 9 and support rod 8, make temperature measuring thermocouple 13 and the complete contact of the color coated plate 4, then start drive motor 5, make drive motor 5 positive rotation drive drive gear 6 and rack 7 meshing transmission, make fixed support 3 move on guide rail 2, and then make temperature measuring thermocouple 13 and the color coated plate 4 gradually contact, until reach the pressure value that pressure sensor 17 detects when temperature measuring thermocouple 13 and the complete contact of the color coated plate 4 in the debugging process, when the detection pressure value of pressure sensor 17 abnormally appears unexpected situation, to avoid temperature measuring thermocouple 13 contact color coated plate 4 too tight and damage color coated plate 4, when temperature measuring thermocouple 13 contact color coated plate 4 limit switch 16 at the extreme scratch position, when rack 7 end reaches limit switch 16 position, automatically trigger the interlock control reaction of drive motor 5 and automatically withdraw to avoid color coated plate 4 damage, then the temperature measuring thermocouple 13 on the plurality of groups of contact type thermocouple subassembly with the roller begins to carry out multi-point real-time temperature measurement to color coated plate 4, when continuously temperature measurement 2min or so, drive motor 5 reverses drive, makes contact type thermocouple subassembly with the roller away from color coated plate 4, then temperature measuring thermocouple 13 will temperature signal transmission to PLC 14, and by display 15 show temperature, and the multi-point contact type temperature measurement of color coated plate surface is completed, realizes the accurate detection of the whole color coated plate 4 cross section inner surface temperature, can realize remote control temperature measuring thermocouple and carry out contact type temperature accurate check detection, through the limit switch of setting, effectively avoid the damage of color coated plate 4 caused by the abnormal situation on site, through the introduction of the device in the color coated field can effectively guide the color coated solidification production and the temperature check work of on-line infrared temperature measurement product on site, improve finished product quality, reduce energy consumption, reduce the workload of on-site workers.

[0045] In summary, the use method of the multi-point contact type temperature measuring device for the surface of the color coated sheet provided by the embodiment is as follows: when in use, according to the pressure value detected by the pressure sensor 17 when the temperature measuring thermocouple 13 is in complete contact with the color coated sheet 4 to be measured, the combined length of the adjusting screw 9 and the support rod 8 is adjusted by rotating the adjusting handle 10 to make the adjusting screw 9 rotate on the support rod 8, so that the temperature measuring thermocouple 13 is in complete contact with the color coated sheet 4 to be measured, then the driving motor 5 is started to drive the driving gear 6 and the rack 7 to mesh and drive, so that the fixed support 3 moves on the guide rail 2, and then the temperature measuring thermocouple 13 gradually contacts the color coated sheet 4 to be measured until the pressure value detected by the pressure sensor 17 when the temperature measuring thermocouple 13 is in complete contact with the color coated sheet 4 to be measured in the debugging process is reached, when the detected pressure value of the pressure sensor 17 abnormally appears an unexpected situation, in order to avoid that the temperature measuring thermocouple 13 contacts the color coated sheet 4 to be measured too tightly to scratch and damage the color coated sheet 4 to be measured, the limit switch 16 at the limit scratch position of the temperature measuring thermocouple 13 contacting the color coated sheet 4 to be measured is provided, when the end of the rack 7 reaches the position of the limit switch 16, the interlocking control reaction of the driving motor 5 is automatically triggered to automatically retreat, so that the color coated sheet 4 to be measured is prevented from being damaged, then the temperature measuring thermocouples 13 on the plurality of roller contact type thermocouple assemblies start to perform multi-point real-time temperature measurement on the color coated sheet 4 to be measured, after continuous temperature measurement for about 2 minutes, the driving motor 5 is reversely driven to drive the roller contact type thermocouple assemblies to move away from the color coated sheet 4 to be measured, then the temperature measuring thermocouples 13 transmit the temperature measurement signals to the PLC 14, and the temperature is displayed by the display 15, and the multi-point contact type temperature measurement for the surface of the color coated sheet is completed.

[0046] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-point contact temperature measuring device for the surface of a color coated sheet, characterized in that, The utility model relates to a color-coated sheet testing device, including, Support assembly; Driving assembly, the driving assembly is connected with the support assembly; Adjusting support rod assembly, the adjusting support rod assembly is arranged on the support assembly; Belt roller contact type thermocouple assembly, the belt roller contact type thermocouple assembly is arranged on the adjusting support rod assembly; Control display assembly, the driving assembly and the belt roller contact type thermocouple assembly are connected with the control display assembly.

2. The multi-point contact temperature measuring device for the surface of the color coated steel sheet according to claim 1, characterized in that: The support assembly includes fixing piece (1), guide rail (2) and fixed support (3); The fixing piece (1) is provided with two, two fixing pieces (1) are symmetrically arranged on both sides of the color-coated sheet (4) to be measured, the guide rail (2) is arranged on the fixing piece (1), and the fixed support (3) is arranged between the two fixing pieces (1) through the guide rail (2).

3. The multi-point contact temperature measuring device for the surface of the color coated steel sheet according to claim 2, characterized in that: The driving assembly includes driving motor (5), driving gear (6) and rack (7); The driving motor (5) is arranged on the outside of the fixed support (3), the driving gear (6) is arranged on the output shaft of the driving motor (5), the rack (7) is arranged on the fixed support (3), and the driving gear (6) and the rack (7) are engagedly connected.

4. The multi-point contact temperature measuring device for the surface of the color coated steel sheet according to claim 3, characterized in that: The adjusting support rod assembly is provided with several, and several adjusting support rod assemblies are equidistantly arranged at the position corresponding to one side of the color-coated sheet (4) to be measured on the inside of the fixed support (3); The adjusting support rod assembly includes support rod (8), adjusting screw rod (9) and adjusting handle (10); The support rod (8) is arranged between the fixed support (3) and the belt roller contact type thermocouple assembly, the adjusting screw rod (9) is threadedly connected in the middle of the support rod (8), and the adjusting handle (10) is arranged on the adjusting screw rod (9).

5. The multi-point contact temperature measuring device for the surface of the color coated steel sheet according to claim 4, characterized in that: The belt roller contact type thermocouple assembly is provided with several, and several belt roller contact type thermocouple assemblies and several adjusting support rod assemblies are connected one by one in a one-to-one correspondence. The belt roller contact type thermocouple assembly includes roller support (11), roller (12) and temperature measuring thermocouple (13); The roller support (11) is connected with the support rod (8), the roller (12) is arranged on the inside of the roller support (11), and the temperature measuring thermocouple (13) is arranged on the roller support (11) and corresponds to the rollers (12) between them. The outside of the temperature measuring thermocouple (13) protrudes higher than the roller (12), and the temperature measuring thermocouple (13) is distributed towards one side of the color-coated sheet (4) to be measured.

6. The multi-point contact temperature measuring device for the surface of the color coated steel sheet according to claim 5, characterized in that: The control display assembly includes PLC (14) and display (15); The driving motor (5) and the temperature measuring thermocouple (13) are connected with the PLC (14), and the PLC (14) and the display (15) are connected.

7. The multi-point contact temperature measuring device for the surface of the color coated steel sheet according to claim 6, characterized in that: A limit switch (16) is arranged on one end of the rack (7) towards the color-coated sheet (4) to be measured, and the limit switch (16) is connected with the PLC (14).

8. The multi-point contact temperature measuring device for the surface of the color coated steel sheet according to claim 6, characterized in that: The inside of the roller support (11) is provided with a pressure sensor (17), and the pressure sensor (17) is connected with the PLC (14).

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