CN218157463U - Multifunctional ultraviolet aging box for polymer material - Google Patents

Multifunctional ultraviolet aging box for polymer material Download PDF

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Publication number
CN218157463U
CN218157463U CN202221341121.9U CN202221341121U CN218157463U CN 218157463 U CN218157463 U CN 218157463U CN 202221341121 U CN202221341121 U CN 202221341121U CN 218157463 U CN218157463 U CN 218157463U
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water
aging box
disc
box body
polymer materials
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CN202221341121.9U
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汪攀
段文红
陈金彪
李培国
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Dali Danan Expressway Co ltd
Yunnan Yunling Plateau Mountain Area Road Engineering Inspection Co ltd
Chongqing Jiaotong University
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Dali Danan Expressway Co ltd
Yunnan Yunling Plateau Mountain Area Road Engineering Inspection Co ltd
Chongqing Jiaotong University
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Abstract

The utility model relates to the technical field of ultraviolet aging equipment, in particular to a multifunctional ultraviolet aging box for polymer materials, which comprises an aging box body, wherein the inner wall of the top of the aging box body is fixedly connected with a mercury lamp; this internal water-cooling circulation dish that is provided with of ageing oven, be provided with rotary device in the water-cooling circulation dish. Through the technical scheme of the utility model, can solve when carrying out aging test to polymer material sample, light shines on the horizontal plane, and the irradiance prolongs the well axis and is degressive trend to both sides, leads to the sample inhomogeneous problem of ageing on the horizontal direction.

Description

Multifunctional ultraviolet aging box for polymer material
Technical Field
The utility model relates to an ultraviolet ray ageing equipment technical field specifically is a polymer material uses multi-functional ultraviolet ray ageing oven.
Background
The ultraviolet aging test box adopts a fluorescent ultraviolet lamp as a light source, and carries out an accelerated weather resistance test on the material by simulating ultraviolet radiation and condensation in natural sunlight so as to obtain the weather resistance result of the material. The device can simulate the environmental conditions of ultraviolet, rain, high temperature, high humidity, condensation, darkness and the like in natural climate, and combines the conditions into a cycle by reproducing the conditions, and the device can automatically execute the cycle times.
In the polymer material industry, before the polymer material is used, an ultraviolet aging test needs to be performed on the polymer material to detect the weather resistance of the polymer material, and at present, although an existing ultraviolet aging test box can detect the weather resistance of the polymer material, the following problems still exist:
1. the aging efficiency is low: the existing ultraviolet ageing oven mostly adopts a xenon lamp, and the irradiance of the xenon lamp is low, so that the integral ageing efficiency of the polymer material is low.
2. Non-uniform aging: when a high-pressure xenon lamp or other lamp sources are used for an aging test, the lamp light irradiates on a horizontal plane, the radiance of the lamp light decreases along the central axis towards two sides, and the aging of a sample is uneven in the horizontal direction.
3. The temperature is difficult to control: because the lamp source emits heat, the temperature of an aged sample is too high, the temperature is difficult to control, and the experiment is distorted.
4. When carrying out water light coupling ageing tests, need the manual work to spray water and form the water film, can make the experimenter contact a large amount of ultraviolet rays, lead to causing the injury to the human body.
SUMMERY OF THE UTILITY MODEL
The utility model provides a polymer material is with multi-functional ultraviolet ageing oven can solve when carrying out ageing tests to the polymer material sample, and light shines on the horizontal plane, and the irradiance prolongs the well axis and is the degressive trend to both sides, leads to the inhomogeneous problem of sample ageing on the horizontal direction.
The application provides the following technical scheme:
a multifunctional ultraviolet aging box for polymer materials comprises an aging box body, wherein the inner wall of the top of the aging box body is fixedly connected with a mercury lamp; a water-cooling circulating disc is arranged in the aging box body, and a rotating device is arranged in the water-cooling circulating disc; the aging box is internally provided with a water spraying device, and the water spraying device is positioned above the rotating device.
The beneficial effect of this scheme lies in:
1. aging uniformly: the technical scheme of the utility model through at this internal water-cooling circulation dish that sets up of ageing oven to set up rotary device in the water-cooling circulation dish, when carrying out ultraviolet ageing test to polymer material, place ageing sample on rotary device, ageing sample is along with rotary device at the uniform velocity rotation on the horizontal direction, and then makes each department on the ageing sample horizontal direction receive illumination equally, makes ageing sample horizontal direction go up ageing evenly.
2. The aging efficiency is higher: the technical scheme of the utility model the light source adopts high-pressure mercury lamp, and high-pressure mercury lamp compares in prior art used xenon lamp its irradiance that can reach and is far above the xenon lamp, can be so that the ageing efficiency of ageing sample is higher.
3. The technical scheme of the utility model through at this internal water-cooling circulation dish that sets up of ageing oven, and set up rotary device in water-cooling circulation dish, when carrying out ultraviolet ageing test, ageing sample is placed on rotary device, can cool down to ageing sample on the rotary device through the circulating water in the water-cooling circulation dish, and then prevents that ageing sample from the high temperature under shining of mercury lamp, avoids experimental distortion. And the water in the water-cooling circulating disc can be stirred through the rotating device, so that the water in the water-cooling circulating disc can flow in an accelerated manner, and the aged sample on the rotating device can be cooled better.
Further, rotary device includes motor and gear plate group, gear plate group includes gear wheel dish and pinion dish that gear can intermeshing, and the gear wheel dish all rotates with the pinion dish to be connected in water-cooling circulation dish, and the pinion dish is connected on the output shaft of motor.
Adopt above-mentioned technical scheme, when carrying out aging test to polymer material, place ageing sample on the bull gear dish, drive pinion tray rotation under the effect of motor, and the gear on pinion tray and the bull gear dish is intermeshing, so the bull gear dish is taken the rotation under the rotation of pinion tray, and then makes the sample can evenly age in the horizontal direction.
Further, a water spraying device is arranged in the aging box body and is positioned above the rotating device; the water spraying device comprises a high-pressure sprayer, the water inlet end of the high-pressure sprayer is connected with a water supply pipe, and the water supply pipe penetrates through the side wall of the aging box body.
Adopt above-mentioned technical scheme, first: collect ageing as an organic whole with the ageing of water light coupling of ultraviolet, greatly improve test efficiency: the technical scheme of the utility model through at this internal water jet equipment that sets up of ageing oven, can form the water film toward this internal water spray of ageing oven through water jet equipment, and then carry out the water light coupling ageing test. Secondly, the method comprises the following steps: avoid the experimenter to contact the ultraviolet ray, more safety: the technical scheme of the utility model in through at this internal water jet equipment that sets up of ageing oven, water jet equipment can be regularly quantitative water spray formation water film, alright spray water with need not the manual work, alright with avoid the experimenter to contact the ultraviolet ray well, and then avoid causing the injury to the experimenter health.
Furthermore, supporting rods are arranged at four corners in the aging box body, and the water-cooling circulating disc is connected to the supporting rods in a sliding manner; the output shaft of the motor is connected with a telescopic rod, and the pinion disc is connected to one end, far away from the motor, of the telescopic rod.
Adopt above-mentioned technical scheme, through with water-cooling circulation dish sliding connection on the bracing piece, can follow the bracing piece with water-cooling circulation dish and slide from top to bottom, when water-cooling circulation dish reciprocated, because be connected with the telescopic link on the output shaft of motor, and the pinion dish is connected in the one end that the motor was kept away from to the telescopic link, so the pinion dish also can follow water-cooling circulation dish and reciprocate, and then can satisfy different experimental or different irradiance requirements through the height of adjusting water-cooling circulation dish and pinion dish.
Further, an exhaust fan is arranged at the top of the aging box body.
By adopting the technical scheme, the exhaust fan is arranged at the top of the aging box body, so that the temperature in the aging box body is more controllable, hot air in the aging box body can be pumped away under the action of the exhaust fan, a sample can be kept at normal temperature in the aging box body, and the experimental condition that wind is closer to natural conditions is ensured.
Further, on motor fixed connection and ageing oven body top outer wall, ageing oven body top is equipped with the hole that the power supply machine output shaft stretched into.
Adopt above-mentioned technical scheme, can realize the rotation of ageing sample on the gear wheel to with the motor setting at ageing oven body top outer wall, can prevent when toward this internal water spray of ageing oven, water enters into in the motor.
Furthermore, a circulation water inlet pipe and a circulation water outlet pipe are connected in the water-cooling circulation disc, and holes into which the circulation water inlet pipe and the circulation water outlet pipe extend are formed in the side wall of the aging box body.
By adopting the technical scheme, cold water can be continuously injected into the water-cooling circulating disc through the circulating water inlet pipe, so that the aged sample on the large gear disc can be kept at normal temperature, and the phenomenon that the temperature is too high to cause experiment distortion is prevented; the water in the water-cooling circulating disc can be discharged through the circulating water outlet pipe, so that the water in the circulating water inlet pipe can be injected all the time, the water in the water-cooling circulating disc can be in a low-temperature state all the time, and the temperature cannot be increased under the illumination of a mercury lamp.
Furthermore, a thermometer and a hygrometer are arranged on the door of the aging box body.
By adopting the technical scheme, the temperature and the humidity in the aging box body can be monitored conveniently in real time.
Further, the distance between the water-cooling circulation disc and the mercury lamp is 9.5-10.5cm.
By adopting the technical scheme, the aging rate of the aging sample can be further accelerated, and through the test of the inventor, the ultraviolet intensity can reach 41.9 multiplied by 103 mu W/cm at the position where the distance between the water-cooling circulating disk and the mercury lamp is 9.5-10.5cm 2 The aging rate of the aging sample is 66.73, and if the most unfavorable natural condition is considered to be sunshine for eight hours every day, the ultraviolet aging box of the utility model ages for 43.76h, which is equivalent to one year of outdoor natural aging.
Furthermore, the bottom of the side wall of the aging box body is provided with a vent hole.
Adopt above-mentioned technical scheme, be convenient for in real time toward this internal ventilation of ageing oven, prevent this internal negative pressure that forms of ageing oven under the effect of extraction fan, and then make the experimental conditions more be close natural condition.
Drawings
FIG. 1 is a schematic structural view of a body of a multifunctional ultraviolet aging box for polymer materials according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a body of a multifunctional ultraviolet aging box for polymer materials according to an embodiment of the present invention;
FIG. 3 is a top view of FIG. 1 without the top;
FIG. 4 is a schematic structural diagram of a second embodiment of the multifunctional ultraviolet aging box for polymer materials according to the present invention, wherein the left side wall of the aging box body is shown;
fig. 5 is a schematic structural view of a third embodiment of the multifunctional ultraviolet aging box for polymer materials, showing an aging box body of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
the reference numbers in the drawings attached hereto include: the aging box comprises an aging box body 1, a motor 2, an exhaust fan 3, a mercury lamp 4, a large gear disc 5, a small gear disc 6, a telescopic rod 7, a support rod 8, a circulating water inlet pipe 9, a circulating water outlet pipe 10, a thermometer 11, a hygrometer 12, a water-cooling circulating disc 13, a connecting sleeve 1301, a high-pressure nozzle 14, a universal wheel 15, a handle 16 and a vent hole 17.
Example one
As shown in fig. 1, 2 and 3, a multifunctional ultraviolet aging box for polymer materials comprises an aging box body 1, wherein a support rod 8 is respectively arranged in the aging box body 1 near four corners, a water-cooling circulation disc 13 is connected on the support rod 8 in a sliding manner, connection sleeves 1301 are integrally formed at the four corners of the water-cooling circulation disc 13, through holes are formed in the connection sleeves 1301, a plurality of threaded holes matched with the through holes are formed in the support rod 8, the water-cooling circulation disc 13 is fixedly connected with the support rod 8 by penetrating screws into the threaded holes and the through holes, when the height of the water-cooling circulation disc 13 needs to be adjusted, the screws are taken out, the connection sleeves 1301 slide up and down along the support rod 8 until the screws slide to proper positions, and then the screws are installed to fix the water-cooling circulation disc 13; the left end and the right end (the left end and the right end shown in fig. 3) of the water-cooling circulation disc 13 are respectively communicated with a circulation water inlet pipe 9 and a circulation water outlet pipe 10, and the left side wall and the right side wall of the aging box body 1 of the water-cooling circulation disc 13 are respectively provided with holes for the circulation water inlet pipe 9 to extend into and the circulation water outlet pipe 10 to extend out; a rotating device is further arranged in the water-cooling circulating disc 13 and comprises a motor 2 and a gear disc set, the gear disc set comprises a large gear disc 5 and a small gear disc 6 which are meshed with each other, an output shaft of the motor 2 is fixedly connected with a telescopic rod 7, the telescopic rod 7 comprises an upper sleeve and a sliding rod which is connected in the upper sleeve in a sliding manner, the top of the upper sleeve is fixed with a power output shaft of the motor 2, and the bottom of the sliding rod is fixed with the center of the small gear disc 6; in order to ensure that the motor 2 can drive the sliding rod to rotate, the inner wall of the upper sleeve is provided with a vertical limiting groove, and a bulge extending into the limiting groove is fixed on the outer wall of the sliding rod; so that the motor 2 can drive the upper sleeve and the sliding rod to rotate together when being started, and the sliding rod does not influence the up-and-down sliding during the subsequent adjustment. The large gear disc 5 is rotationally connected to the center of the water-cooling circulating disc 13, a connecting rod is arranged at the center of the water-cooling circulating disc 13, the large gear disc 5 is rotationally connected with the water-cooling circulating disc 13 through the connecting rod, and the small gear disc 6 is located at the inner corner of the right side of the water-cooling circulating disc 13 shown in figure 1; when the height of the water-cooling circulating disc 13 is adjusted, the telescopic rod 7 can adjust the height according to the height of the water-cooling circulating disc 13, and the teeth on the large gear disc 5 and the small gear disc 6 are always meshed. The motor 2 is fixedly installed on the outer wall of the top of the aging box body 1, specifically, at the corner of the top of the aging box body 1 as shown in fig. 1, a hole for the penetration of the output shaft of the motor 2 is formed in the top of the aging box body 1. The top inner wall of the aging box body 1 is fixedly connected with two mercury lamps 4, and the positions of the two mercury lamps 4 are symmetrical with the center line of the large gear disc 5. Fixedly connected with extraction fan 3 on the outer wall of ageing oven body 1 top, extraction fan 3 specifically is connected in the middle of two mercury lamps 4. A thermometer 11 and a hygrometer 12 are arranged on a box door of the aging box body 1, and display instruments of the thermometer 11 and the hygrometer 12 are arranged on the outer wall of the box door of the aging box body 1, so that an experimenter can monitor the temperature and the humidity in the aging box body 1 in real time; the thermometer 11 probe and the hygrometer 12 probe are arranged on the inner wall of the box door of the aging box body 1, so that the temperature and the humidity inside the aging box body 1 can be detected more accurately in real time; the outer wall of the box door is also fixedly connected with a handle 16. The bottom of the side wall of the aging box body 1 is also provided with a vent hole 17, and the side wall is specifically arranged on the side wall right opposite to the box door in the embodiment.
When the ultraviolet aging test is carried out on the polymer material sample, the height of the water-cooling circulating disc 13 and the height of the telescopic rod 7 are adjusted according to the requirement of the test irradiance of the aged sample, so that the large gear disc 5 and the small gear disc 6 are in a meshed state. Then the high-pressure mercury lamp 4 and the exhaust fan 3 are opened, cold water is injected into the water-cooling circulating disc 13 through the circulating water inlet pipe 9, when the injection amount of the cold water is enough, the cold water flowing to the right end of the water-cooling circulating disc 13 flows out through the circulating water outlet pipe 10, then the box door is closed, an experimenter observes a thermometer 11 instrument and a hygrometer 12 instrument on the box door, after the temperature and the humidity meet the test requirements, the box door is opened to place the prepared test sample on the large gear disc 5, the box door is closed, the motor 2 is started, the output shaft of the motor 2 starts to rotate, the telescopic rod 7 and the small gear disc 6 are further driven to rotate, when the small gear disc 6 rotates, the large gear disc 5 is driven to rotate, the test sample continuously rotates along with the test sample, the surface of the test sample is subjected to uniform illumination, the test sample can be uniformly aged, and an ultraviolet aging test starts. And after the test is finished, the motor 2, the high-pressure mercury lamp 4 and the exhaust fan 3 are turned off, cold water is stopped from being injected into the water-cooling circulating disc 13, and the test sample is taken out.
Example two
As shown in fig. 4, the difference between the first embodiment and the second embodiment lies in that a water spraying device is disposed inside the aging box body 1 in the first embodiment, and the water spraying device is located above the highest point that the large gear plate 5 can reach, the water spraying device in the first embodiment is a high-pressure nozzle 14, a water inlet pipe of the high-pressure nozzle 14 is connected to a water supply pipe, the water supply pipe penetrates through the side wall of the aging box body 1, the water supply pipe is far away from the high-pressure nozzle 14 and is connected to an external water supply device, the water supply device is connected to a control system, a water supply time interval and a primary water supply amount can be set through the control system, and then water can be regularly and quantitatively sprayed into the aging box body 1 through the high-pressure nozzle 14 to form a water film, so as to perform a water optical coupling aging test.
When the water-light coupling aging test is carried out, the height of the water-cooling circulating disc 13 and the height of the telescopic rod 7 are adjusted according to the test irradiance requirement of an aging sample, so that the large gear disc 5 and the small gear disc 6 are in a meshed state. Then, the high-pressure mercury lamp 4 and the exhaust fan 3 are turned on, cold water is injected into the water-cooling circulation disc 13 through the circulation water inlet pipe 9, and when the injection amount of the cold water is enough, the cold water flowing to the right end of the water-cooling circulation disc 13 flows out through the circulation water outlet pipe 10; then set up 14 water spray time intervals of high pressure nozzle and once the amount of water spray, then close the chamber door, the experimenter observes 11 instruments on the thermometer of chamber door and hygrometer 12 instruments, after temperature and humidity reach the experimental requirement, open the chamber door and put the test sample that has already been made on big toothed disc 5, close the chamber door, start motor 2, the motor 2 output shaft begins to rotate, and then drive telescopic link 7 and pinion disc 6 and rotate, when pinion disc 6 rotates, because its gear is meshed with the gear on big toothed disc 5, so big toothed disc 5 begins to rotate under the drive of pinion disc 6, the test sample constantly rotates thereupon, namely begin the wet optical coupling ageing tests. And after the test is finished, the motor 2, the high-pressure mercury lamp 4 and the exhaust fan 3 are turned off, cold water is stopped from being injected into the water-cooling circulating disc 13, and the test sample is taken out.
EXAMPLE III
As shown in fig. 5, the present embodiment is different from the second embodiment in that the universal wheels 15 are disposed at the bottom of the aging oven body 1 in the present embodiment, so as to facilitate the position transfer of the aging oven body 1.
Example four
The difference between this example and the first example is that the distance between the water-cooling circulation disk 13 and the mercury lamp 4 is 9.5-10.5cm in this example, 10cm is preferred in this example, and through the test of the inventor, when the distance between the water-cooling circulation disk 13 and the mercury lamp 4 is 10cm, the ultraviolet intensity of the aging sample can reach 41.9 × 103 μ W/cm by placing the aging sample on the large gear disk 5 2 The aging rate of the aged sample is 66.73, and if the sample is considered to be naturally least favorable with eight hours of sunshine each day, the aging time of the ultraviolet aging box of the embodiment is 43.76 hours, which is equivalent to natural aging for one year outdoors, and the aging rate is faster.
The above are merely examples of the present invention, and the present invention is not limited to the field related to the embodiments, and general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be pointed out that, for the person skilled in the art, without departing from the structure of the invention, several variants and modifications can be made, which should also be regarded as the scope of protection of the invention, which will not affect the effectiveness of the implementation of the invention and the utility of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. The utility model provides a polymer materials is with multi-functional ultraviolet ageing oven, includes ageing oven body, its characterized in that: the mercury lamp is fixedly connected to the inner wall of the top of the aging box body; this internal water-cooling circulation dish that is provided with of ageing oven, be provided with rotary device in the water-cooling circulation dish.
2. The multifunctional ultraviolet aging box for polymer materials as claimed in claim 1, wherein: the rotating device comprises a motor and a gear disc set, the gear disc set comprises a large gear disc and a small gear disc, gears can be meshed with each other, the large gear disc and the small gear disc are connected in the water-cooling circulating disc in a rotating mode, and the small gear disc is connected to an output shaft of the motor.
3. The multifunctional ultraviolet aging box for polymer materials of claim 2, wherein: a water spraying device is arranged in the aging box body and is positioned above the rotating device; the water spraying device comprises a high-pressure spray head, the water inlet end of the high-pressure spray head is connected with a water supply pipe, and the water supply pipe penetrates through the side wall of the aging box body.
4. The multifunctional ultraviolet aging box for polymer materials as claimed in claim 3, wherein: supporting rods are arranged at four corners in the aging box body, and the water-cooling circulating disc is connected to the supporting rods in a sliding mode; the output shaft of the motor is connected with a telescopic rod, and the pinion disc is connected to one end, far away from the motor, of the telescopic rod.
5. The multifunctional ultraviolet aging box for polymer materials as claimed in claim 4, wherein: an exhaust fan is arranged at the top of the aging box body.
6. The multifunctional ultraviolet aging box for polymer materials of claim 5, wherein: on motor fixed connection and ageing oven body top outer wall, ageing oven body top is equipped with the hole that power machine output shaft stretched into.
7. The multifunctional ultraviolet aging box for polymer materials of claim 6, wherein: the water-cooling circulation disc is internally connected with a circulation water inlet pipe and a circulation water outlet pipe, and the side wall of the aging box body is provided with a hole into which the circulation water inlet pipe and the circulation water outlet pipe extend.
8. The multifunctional ultraviolet aging box for polymer materials of claim 7, wherein: and a thermometer and a hygrometer are arranged on the door of the aging box body.
9. The multifunctional ultraviolet aging box for polymer materials of claim 8, wherein: the distance between the water-cooling circulating disk and the mercury lamp is 9.5-10.5cm.
10. The multifunctional ultraviolet aging box for polymer materials of claim 9, wherein: and a vent hole is formed in the bottom of the side wall of the aging box body.
CN202221341121.9U 2022-05-30 2022-05-30 Multifunctional ultraviolet aging box for polymer material Active CN218157463U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221341121.9U CN218157463U (en) 2022-05-30 2022-05-30 Multifunctional ultraviolet aging box for polymer material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221341121.9U CN218157463U (en) 2022-05-30 2022-05-30 Multifunctional ultraviolet aging box for polymer material

Publications (1)

Publication Number Publication Date
CN218157463U true CN218157463U (en) 2022-12-27

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