CN214539340U - Instrument for measuring surface dry heat resistance of artificial board - Google Patents
Instrument for measuring surface dry heat resistance of artificial board Download PDFInfo
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- CN214539340U CN214539340U CN202120432215.6U CN202120432215U CN214539340U CN 214539340 U CN214539340 U CN 214539340U CN 202120432215 U CN202120432215 U CN 202120432215U CN 214539340 U CN214539340 U CN 214539340U
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Abstract
The utility model discloses an instrument for measuring the dry heat resistance of the surface of an artificial board, which comprises a base, a host and a lifting device, wherein the lifting device is connected with the base and is electrically connected with the host; the lifting device is provided with a lifting bracket; the cup holding device is fixed on the lifting bracket and used for holding the container filled with the glycerol tristearate; the temperature measurement stirring device is fixed on the lifting bracket and is electrically connected with the host; the temperature measurement stirring device is used for stirring the glycerol tristearate and is used for detecting the temperature of the glycerol tristearate; the high-temperature heating device is connected to the base and used for heating the glycerol tristearate; the high-temperature heating device is electrically connected with the host; and the sample placing plate is configured on the base and used for placing the test piece. The utility model discloses can make whole detection process automation, reduce the test operation degree of difficulty, improve the degree of accuracy of this test result, liberation tester's both hands avoid tester risks such as scald that exist in this experiment simultaneously.
Description
Technical Field
The utility model relates to a detect technical field, particularly, relate to an wood-based plate surface heat resistance ability apparatus that dries.
Background
The surface dry heat resistance belongs to one of important detection indexes of an artificial board product, and the technical index measures the resistance of an artificial board surface decorative layer to hot object dry ironing. The detection method for the dry heat resistance of the surface of the artificial board basically refers to 4.46 strips (surface dry heat resistance measurement-method 1) in GB/T17657 and 2013 physicochemical property test methods for artificial boards and decorative artificial boards.
However, in the conventional standard test method, the size of the test container and the placement position of the thermometer are only specified, and the container is in a non-lid state, and a plurality of steps such as inserting and fixing the thermometer, continuously stirring, moving the container onto the heat insulating plate, and moving the container to the surface of the test piece when the temperature reaches a specified value are performed during the test. Secondly, the container is filled with high-temperature liquid and is uncovered, so that the tester is easily scalded in the process of moving for many times. Finally, the thermometer is required to be kept at a relatively accurate position in the test process, a tester is required to observe the temperature of liquid in the container in the whole process, manual timing is required after the liquid is in contact with a test piece, the difficulty is high if no corresponding tool or equipment is used for assisting in completing the test, and the accuracy degree of the test is not easy to guarantee.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an artificial board surface thermal resistance performance apparatus that dries, it designs to artificial board surface thermal resistance performance apparatus that dries, can make whole detection process automation, reduces the experimental operation degree of difficulty, improves the degree of accuracy of this test result, liberation tester's both hands avoid tester's risks such as scald that exists in this experiment simultaneously.
The embodiment of the utility model discloses a realize through following technical scheme:
an instrument for measuring the dry heat resistance of the surface of an artificial board, which comprises a base, a host machine and a measuring device,
the lifting device is connected to the base and electrically connected to the host; the lifting device is provided with a lifting support, and the lifting device drives the lifting support to lift under the control of the host;
the cup holding device is fixed on the lifting bracket and used for holding the container filled with the glycerol tristearate;
the temperature measurement stirring device is fixed on the lifting bracket and is electrically connected with the host; the temperature measurement stirring device is used for stirring the glycerol tristearate and is used for detecting the temperature of the glycerol tristearate;
the high-temperature heating device is connected to the base and used for heating the glycerol tristearate; the high-temperature heating device is electrically connected with the host;
and the sample placing plate is configured on the base and used for placing the test piece.
In an embodiment of the present invention, the cup holding device includes a container bracket and a lock nut, one end of the container bracket is configured with a container ring, the container is inserted into the container ring, and the other end of the container bracket is fixed to the lifting bracket through the lock nut.
In an embodiment of the present invention, the temperature measuring and stirring device includes a stirrer and a temperature sensor, the stirrer is inserted into the glycerol tristearate, the stirrer is electrically connected to the host, the temperature sensor is located in the glycerol tristearate, and the temperature sensor is electrically connected to the host.
In an embodiment of the present invention, the high temperature heating device includes a rotary shaft collar, a connecting member, an electric heater and a rotary motor, the rotary shaft collar is rotatably connected to the base, one end of the connecting member is fixed to the rotary shaft collar, the other end of the connecting member is fixed to the electric heater, the electric heater is electrically connected to the main machine, the rotary motor is disposed on the base, the rotary motor is electrically connected to the main machine, the rotary motor is used for driving the rotary shaft collar to rotate, and when heating glycerol tristearate, the electric heater is located below the container.
In an embodiment of the present invention, the distance between the upper surface of the electric heater and the bottom surface of the container is h.
In an embodiment of the present invention, the base is configured with a pressure sensor, the pressure sensor is disposed on the lower surface of the sample placing plate, the pressure sensor is electrically connected to the host, and the pressure sensor is used for detecting the pressure applied to the test piece by the container.
In an embodiment of the present invention, the container bracket is provided with a fixing auxiliary block, and the fixing auxiliary block and the lock nut are respectively located on both sides of the lifting bracket.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
the embodiment of the utility model provides a set up the base, the host computer, elevating gear, hold the cup device, temperature measurement agitating unit, high temperature heating device and model, elevating gear disposes lifting support, it all disposes in lifting support with temperature measurement agitating unit to hold the cup device, hold the container that the cup device centre gripping is equipped with glycerine tristearate, make whole detection process automation, the test operation degree of difficulty has been reduced, the degree of accuracy of this test result has been improved, tester's both hands have been liberated, risks such as scald that tester exists in this experiment have been avoided simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the cup holder of the present invention;
fig. 3 is a schematic structural view of the temperature measurement stirring device and the container of the present invention.
Icon: the method comprises the following steps of 1-base, 2-main machine, 3-lifting support, 41-container bracket, 43-locking nut, 44-fixed auxiliary block, 45-container supporting ring, 5-temperature measuring and stirring device, 51-machine head, 52-stirrer, 53-temperature sensor, 61-rotating shaft ring, 62-connecting piece, 63-electric heater, 64-rotating motor, 7-sample placing plate, 71-pressure sensor and 8-container.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the directions or positional relationships indicated by the terms "inside" and "outside" are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be interpreted as a limitation of the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "configured," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The detection method of the dry heat resistance of the surface of the prior artificial board is described as follows: GB/T17657 and 2013 physicochemical property test method for artificial boards and veneered artificial boards, 4.46 (surface dry heat resistance performance measurement-method 1) regulations are as follows: "sufficient glycerol tristearate was placed in a cylindrical container and when the temperature was raised to 180 ℃, the page was 15mm from the top. Inserting a thermometer in the center of the container, keeping the mercury ball of the thermometer about 6mm away from the bottom, raising the temperature of the liquid to about 185 ℃ under continuous stirring, moving the container onto a heat-insulating plate, and reducing the temperature to (180 +/-1) ° C under continuous stirring. Immediately place the container on the surface of the test piece in the center of the fixed frame and place for 20min without stirring. The container was removed and the test piece was allowed to cool for 45min. ".
Referring to fig. 1 to 3, a tester for dry heat resistance of artificial board surface comprises a base 1 and a main frame 2, and further comprises a lifting device, a cup holding device, a temperature measuring and stirring device 5 and a sample placing plate 7,
a lifting device connected to the base 1 and electrically connected to the main body 2; the lifting device is provided with a lifting support 3, and the lifting device drives the lifting support 3 to lift under the control of the host machine 2. In this embodiment, this lifting support 3 is the L form, and the activity of the vertical part of this lifting support 3 is inserted to base 1, and this vertical part is equipped with the rack, is equipped with elevator motor in base 1, and this elevator motor is equipped with the gear with rack toothing, and this elevator motor passes through the lift of rack and pinion drive lifting support 3, and this elevator motor is connected with host computer 2 electricity in addition, and host computer 2 is controlled this elevator motor. The horizontal part of the lifting bracket 3 is used for installing a cup holding device and a temperature measuring and stirring device 5.
A cup holding device fixed on the lifting bracket 3 and used for holding a container 8 filled with glycerol tristearate; the cup holding device comprises a container bracket 41 and a locking nut 43, wherein one end of the container bracket 41 is provided with a container supporting ring 45, the container 8 is inserted into the container supporting ring 45, the other end of the container bracket 41 is fixed with the lifting support 3 through the locking nut 43, the container bracket 41 is inserted into the horizontal part of the lifting support 3 and is fixed with the lifting support 3 through the locking nut 43, the container bracket 41 is detached, and after the locking nut 43 is loosened, the glycerol tristearate in the container 8 can be conveniently replaced.
When the high temperature heating apparatus heats the vessel 8, the vessel 8 is suspended from the vessel support ring 45, the vessel support 41 is provided with the fixing auxiliary blocks 44, the fixing auxiliary blocks 44 and the lock nuts 43 are respectively positioned at both sides of the lifting bracket 3, when the lock nuts 43 are tightened, the lock nuts 43 abut against the upper surface of the horizontal portion of the lifting bracket 3, the fixing auxiliary blocks 44 abut against the lower surface of the horizontal portion of the lifting bracket 3, and the lock nuts 43 and the fixing auxiliary blocks 44 are clamped to the horizontal portion of the lifting bracket 3, thereby fixing the vessel support 41.
The temperature measurement stirring device 5 is fixed on the lifting bracket 3 and is electrically connected with the host machine 2; the temperature measurement stirring device 5 is used for stirring the glycerol tristearate, and the temperature measurement stirring device 5 is used for detecting the temperature of the glycerol tristearate; the temperature measurement stirring device 5 comprises a stirrer 52 and a temperature sensor 53, wherein the stirrer 52 is inserted into the glycerol tristearate, the stirrer 52 is electrically connected with the host machine 2, the temperature sensor 53 is positioned in the glycerol tristearate, and the temperature sensor 53 is electrically connected with the host machine 2. The temperature measurement stirring device 5 further comprises a machine head 51, and the machine head 51 is fixed with the horizontal part of the lifting bracket 3. In this embodiment, the stirrer 52 is arranged to realize automatic stirring of the glycerol tristearate to replace manual stirring, so as to reduce the difficulty of test operation, in the process of heating the glycerol tristearate to 185 ℃, the stirring can enable the glycerol tristearate in the container 8 to be uniformly heated, and in the process of cooling the glycerol tristearate from 185 ℃ to 180 ℃, the stirring can enable the glycerol tristearate in the container 8 to be uniformly cooled, so that the temperature of each part of the glycerol tristearate is kept consistent. It should be noted that the stirrer 52 includes a stirring motor, a transmission shaft and a stirring impeller, the stirring motor is installed in the machine head 51, the main machine 2 controls the stirring motor, one end of the transmission shaft is connected to an output shaft of the stirring motor, and the other end of the transmission shaft is connected to the stirring impeller. It should be noted that, the temperature sensor 53 may adopt a thermocouple probe, such as TJ36-CAXL, a lead end of the thermocouple probe is mounted on the handpiece 51, and in this embodiment, by setting the temperature sensor 53, accurate temperature measurement of the glycerol tristearate is realized, compared with the case of observing a reading of the thermometer with naked eyes, accuracy of a test is improved, and operation difficulty of the test is reduced.
A high-temperature heating device connected to the base 1 for heating glycerol tristearate; the high-temperature heating device is electrically connected with the host machine 2; the high temperature heating device comprises a rotary shaft ring 61, a connecting piece 62, an electric heater 63 and a rotary motor 64, wherein the rotary shaft ring 61 is rotationally connected to the base 1, the rotary shaft ring 61 can be a cylindrical part, the rotary shaft ring 61 is rotationally connected with the base 1 by a bearing, the rotary shaft ring 61 is sleeved on the vertical part of the lifting bracket 3, the rotary motor 64 is arranged on the base 1, the rotary motor 64 is electrically connected to the mainframe 2, the rotary motor 64 is used for driving the rotary shaft ring 61 to rotate, the rotary motor 64 can be in transmission with the rotary shaft ring 61 by a belt or a gear, the embodiment is realized by arranging the rotary shaft ring 61 so as to move the electric heater 63, when the lifting bracket 3 lifts with the container 8, the rotary motor 64 drives the rotary shaft ring 61 to rotate for a set angle, the electric heater 63 is transferred from the bottom of the container 8 to a receding position, and the interference of the electric heater 63 on the lifting of the container 8 is avoided, it should be noted that the set angle can be set according to actual needs, such as 90 °. The connector 62 is fixed to the rotary collar 61 at one end thereof, the other end of the connector 62 is fixed to the electric heater 63, the electric heater 63 is a commercially available electric heater, the electric heater 63 is electrically connected to the main body 2, and the electric heater 63 is located below the container 8 when heating glyceryl tristearate. The distance between the upper surface of the electric heater 63 and the bottom surface of the container 8 is h, so as to avoid friction between the electric heater 63 and the bottom surface of the container 8 and ensure effective heating of the container 8 by the electric heater 63, and the distance between the upper surface of the electric heater 63 and the bottom surface of the container 8 is h, and the value of the distance h can be set according to practical application, for example, h is 2mm or 3 mm.
And a sample placing plate 7 disposed on the base 1 and used for placing a sample. The base 1 is provided with a pressure sensor 71, the pressure sensor 71 is arranged on the lower surface of the sample placing plate 7, the pressure sensor 71 is electrically connected to the main machine 2, and the pressure sensor 71 is used for detecting the pressure applied to the test piece by the container 8. The pressure that pressure sensor 71 surveyed is the total weight of container 8, glycerine tristearate, test piece and lofting board 7, but in the actual test, after the test piece was put in lofting board 7, the tester pressed the start key start-up equipment of host computer 2, host computer 2 returned the display numerical value of pressure value display to zero through built-in procedure this moment to ensure that after container 8 placed on the test piece, the display numerical value of pressure value display in host computer 2 was only the total weight of container 8 and glycerine tristearate, be convenient for host computer 2 to judge the start-stop time point of lifting support 3 elevating movement. The total weight of the container 8 and the glycerol tristearate in this example was 5.6N. It should be noted that the total weight of the container 8 and the glycerol tristearate may be changed according to actual needs. When the container 8 is not placed on the test piece, the pressure detected by the pressure sensor 71 is only the weight of the placing plate 7, the display value of the pressure display in the host machine 2 is 0, and the display value of the pressure display can be reset to zero through a built-in program of the host machine 2. When the container 8 is placed on the surface of the test piece, the weight of the container 8 is borne by the test piece, so that the pressure detected by the pressure sensor 71 is the total weight of the container 8, the glycerol tristearate, the test piece and the sample placing plate 7, the display value of the pressure value display in the host machine 2 is 5.6N, and at this time, the host machine 2 judges that the container 8 is placed on the test piece. In this embodiment, the pressure sensor 71 is provided on the sample placing plate 7, and the host computer 2 determines whether the container 8 has been placed on the sample by using the pressure value measured by the pressure sensor 71. In this embodiment, the sample plate 7 may be a wooden particle board with a thickness of 18 mm. In the test process, in the process that the lifting support 3 drives the container 8 to descend to the surface of the test piece, when the display numerical value of the pressure value display in the host machine 2 is 5.6N, the host machine 2 controls the lifting support 3 to descend downwards for 2-3 mm continuously, the weight of the container 8 is guaranteed to be borne by the test piece completely, and the container bracket 41 does not produce the lifting effect on the container 8. It should be noted that when the lifting bracket 3 stops descending, the probe position of the temperature sensor 53 should be 6mm from the bottom of the container.
During the experiment, the experimenter places the test piece in template 7, starts this apparatus through host computer 2, and high temperature heating device heating vessel 8 to heating glycerine tristearate, and temperature measurement agitating unit 5 begins to stir glycerine tristearate, and when temperature measurement agitating unit 5 measured glycerine tristearate and heated to 185 ℃, host computer 2 control high temperature heating device stopped heating, and control high temperature heating device rotatory to dodging the position. When the glycerol tristearate is cooled to 180 ℃, the host machine 2 controls the lifting device to drive the lifting bracket 3 to move downwards, so that the container 8 is placed on the test piece. When the container 8 is placed on the test piece, the host machine 2 controls the temperature measurement stirring device 5 to stop stirring the glycerol tristearate, and the host machine 2 starts timing. After timing for 20min, the host machine 2 controls the lifting device to drive the lifting support 3 to move upwards to an initial position, so that the container 8 is separated from the surface of the test piece, the host machine 2 starts timing again, and after timing for 45min, the host machine 2 sends out a buzzing prompt tone to remind a tester to observe the change of the surface of the test piece.
It should be noted that the side of the container 8 is wrapped by asbestos tape to keep warm and insulate heat.
The interface of the main body 2 can set the heating temperature of the glycerin tristearate and the time for which the container 8 is in contact with the surface of the test piece. And the main machine 2 is also provided with a reset key by which each movable part of the equipment is returned to the initial position when the equipment is stopped accidentally during the operation.
This embodiment sets up base 1, host computer 2, elevating gear, hold the cup device, temperature measurement agitating unit 5, high temperature heating device and lofting board 7, the control procedure has been preset in the host computer 2, elevating gear disposes lifting support 3, it all disposes in base 1 with temperature measurement agitating unit 5 to hold the cup device centre gripping, hold the container 8 that the cup device centre gripping is equipped with glycerine tristearate, make whole detection process automation, the experimental operation degree of difficulty has been reduced, the degree of accuracy of this test result has been improved, tester's both hands have been liberated, the risk such as scald that tester exists in this experiment has been avoided simultaneously.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An instrument for measuring the dry heat resistance of the surface of an artificial board, which comprises a base and a host machine and is characterized by also comprising,
the lifting device is connected to the base and electrically connected to the host; the lifting device is provided with a lifting support, and the lifting device drives the lifting support to lift under the control of the host;
the cup holding device is fixed on the lifting bracket and used for holding the container filled with the glycerol tristearate;
the temperature measurement stirring device is fixed on the lifting bracket and is electrically connected with the host; the temperature measurement stirring device is used for stirring the glycerol tristearate and is used for detecting the temperature of the glycerol tristearate;
the high-temperature heating device is connected to the base and used for heating the glycerol tristearate; the high-temperature heating device is electrically connected with the host;
and the sample placing plate is configured on the base and used for placing the test piece.
2. The instrument for measuring the dry heat resistance of the surface of an artificial board according to claim 1,
the cup holding device comprises a container bracket and a locking nut,
one end of the container bracket is provided with a container supporting ring, the container is inserted into the container supporting ring,
the other end of the container bracket is fixed with the lifting bracket through the locking nut.
3. The instrument for measuring the dry heat resistance of the surface of an artificial board according to claim 1,
the temperature measurement stirring device comprises a stirrer and a temperature sensor,
the stirrer is inserted into the glycerol tristearate and is electrically connected with the main machine,
the temperature sensor is positioned in the glycerol tristearate and is electrically connected with the host.
4. The instrument for measuring the dry heat resistance of the surface of an artificial board according to claim 1,
the high-temperature heating device comprises a rotary shaft collar, a connecting piece, an electric heater and a rotary motor,
the rotary collar is rotatably connected to the base,
one end of the connecting piece is fixed on the rotary shaft ring, the other end of the connecting piece is fixed with the electric heater,
the electric heater is electrically connected with the main machine,
the rotating motor is arranged on the base, is electrically connected with the host and is used for driving the rotating shaft collar to rotate,
the electric heater is located below the container when heating the glycerol tristearate.
5. The instrument for measuring the dry heat resistance of the surface of an artificial board according to claim 1,
the base is provided with a pressure sensor which,
the pressure sensor is arranged on the lower surface of the sample placing plate, is electrically connected with the host computer and is used for detecting the pressure applied to the test piece by the container.
6. The instrument for measuring the dry heat resistance of the surface of an artificial board according to claim 2,
the container bracket is provided with a fixing auxiliary block,
the fixed auxiliary block and the locking nut are respectively positioned on two sides of the lifting support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432215.6U CN214539340U (en) | 2021-02-26 | 2021-02-26 | Instrument for measuring surface dry heat resistance of artificial board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432215.6U CN214539340U (en) | 2021-02-26 | 2021-02-26 | Instrument for measuring surface dry heat resistance of artificial board |
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| Publication Number | Publication Date |
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| CN214539340U true CN214539340U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120432215.6U Active CN214539340U (en) | 2021-02-26 | 2021-02-26 | Instrument for measuring surface dry heat resistance of artificial board |
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| CN (1) | CN214539340U (en) |
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2021
- 2021-02-26 CN CN202120432215.6U patent/CN214539340U/en active Active
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