CN219348582U

CN219348582U - Device for testing light resistance of PVC film

Info

Publication number: CN219348582U
Application number: CN202223324100.9U
Authority: CN
Inventors: 单体超; 陆标
Original assignee: Jiangsu Jilong Sports Leisure Products Co ltd
Current assignee: Jiangsu Jilong Sports Leisure Products Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-07-14
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a device for testing light resistance of a PVC film, which comprises a box body, wherein a rotary sealing door is arranged on one side of the longitudinal direction of the box body, an air outlet is arranged on the inner surface of the other side of the longitudinal direction of the box body, fixed supporting tables are arranged at the two transverse ends of the inner surface of the bottom of the box body, screw rods are arranged between the fixed supporting tables and are connected, guide supporting rods are arranged at the two longitudinal sides of the screw rods, two limit mounting tables are arranged on the two longitudinal sides of the screw rods in an inserting mode, and the limit mounting tables are connected with the guide supporting rods in an inserting mode. The beneficial effects of the utility model are as follows: the PVC film has smooth surface and no foreign matters in the light resistance test process, greatly improves the accuracy of the test result, and is suitable for popularization and use.

Description

Device for testing light resistance of PVC film

Technical Field

The utility model relates to the technical field of PVC film testing, in particular to a device for testing the light resistance of a PVC film.

Background

PVC film, named Polyvinylchlorid film, contains polyvinyl chloride as main component, and other components to enhance heat resistance, toughness, ductility, etc. The uppermost layer of the surface film is paint, the main component in the middle is polyvinyl chloride, and the lowermost layer is back-coating adhesive. The PVC film is sensitive to light under sunlight, so that the light resistance of the PVC film is an important performance index, and in order to ensure the product quality, the light resistance of the PVC film is tested before leaving a factory.

The light resistance test method for the PVC film in the prior art is characterized in that the PVC film is only placed below the irradiation lamp light, the irradiation is carried out for a certain time to detect and observe, the PVC film is not smooth enough in the irradiation lamp light process, dust and foreign matters are easy to adhere to the surface of the PVC film, the light irradiation effect is affected, the test result is not accurate enough, and further development and improvement are required.

Disclosure of Invention

The utility model aims to solve the problems that the PVC film is not smooth enough in the process of irradiating light, dust and foreign matters are easy to adhere to the surface of the PVC film, the light irradiation effect is affected, and the test result is not accurate enough.

The utility model realizes the above purpose through the following technical scheme: the utility model provides a device for testing PVC film light resistance, includes the box, rotary seal door has been seted up to vertical one side of box, and opposite side internal surface is provided with the air outlet, the horizontal both ends of bottom half internal surface all are provided with fixed stay platform, be provided with the lead screw between the fixed stay platform and be connected, the vertical both sides of lead screw all are provided with the direction bracing piece, two spacing mount tables are installed in the lead screw grafting, spacing mount table with direction bracing piece grafting is connected, spacing mount table is close to fixed stay table one side the fixed adjusting nut is installed to the lead screw, the direction bracing piece is located install the spring between the spacing mount table, spacing mount table top is provided with spacing clamp plate, spacing clamp plate both ends all are provided with fixed adjusting bolt, fixed adjusting bolt passes spacing clamp plate with spacing mount table threaded connection, box top internal surface is provided with the lamp panel, the ultraviolet irradiation lamp is installed to the lamp panel circumference equidistance, horizontal one side surface of box is provided with controlling means, controlling means one side is provided with the fan, the fan is linked together with the air outlet.

Further, a sealing gasket is arranged at the contact part of the rotary sealing door and the box body, and an observation window is arranged on the rotary sealing door.

Furthermore, pressure sensors are arranged between the limiting mounting table and the fixed adjusting nut and between the limiting mounting table and the spring.

Further, a color difference contrast card is arranged on the outer surface of the box body above the control device.

Further, the ultraviolet irradiation lamp, the fan and the pressure sensor are all electrically connected with the control device.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has reasonable design, simple and stable structure and strong practicability; can apply certain tension to the PVC film, fixed adjusting nut and the lead screw that the cooperation set up can control the magnitude of applying tensile to the PVC film, avoid tension too big or undersize for PVC film surface is enough smooth, and fan and the air outlet that the cooperation set up simultaneously can blow off foreign matter such as dust on PVC surface, and then realizes that the PVC film is smooth at the in-process surface of light-resistant test and has no foreign matter, improves the accuracy of test result by a wide margin, is fit for using widely.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a front view of the present utility model;

fig. 3 is a schematic cross-sectional view of fig. 2 taken along A-A.

In the figure: the device comprises a 1-box body, a 2-rotary sealing door, a 3-air outlet, a 4-fixed supporting table, a 5-screw rod, a 6-guiding supporting rod, a 7-limiting installation table, an 8-fixed adjusting nut, a 9-spring, a 10-limiting pressing plate, an 11-fixed adjusting bolt, a 12-lamp panel, a 13-ultraviolet irradiation lamp, a 14-control device, a 15-fan, a 16-pressure sensor and a 17-color difference contrast card.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The device for testing the light resistance of the PVC film comprises a box body 1, a rotary sealing door 2 is arranged on one longitudinal side of the box body 1, an air outlet 3 is formed in the inner surface of the other side, fixed supporting tables 4 are arranged at two transverse ends of the inner surface of the bottom of the box body 1, screw rods 5 are connected between the fixed supporting tables 4, guide supporting rods 6 are arranged on two longitudinal sides of the screw rods 5, two limit mounting tables 7 are installed in an inserted mode through the screw rods 5, the limit mounting tables 7 are connected with the guide supporting rods 6 in an inserted mode, fixed adjusting nuts 8 are installed on the screw rods 5 on one side, close to the fixed supporting tables 4, of the limit mounting tables 7, springs 9 are installed between the limit mounting tables 6, limit pressing plates 10 are arranged above the limit mounting tables 7, fixed adjusting bolts 11 are arranged at two ends of the limit pressing plates 10, the fixed adjusting bolts 11 penetrate through the limit pressing plates 10 to be in threaded connection with the limit mounting tables 7, lamp discs 12 are arranged on the inner surface of the top of the box body 1, ultraviolet irradiation lamps 13 are installed on the circumference of the lamp discs 12 in an equidistant mode, a control device 14 is arranged on the outer surface on one transverse side of the box body 1, a fan 15 is arranged on one side, and the fan 15 is arranged on one side of the fan 15, and the fan 3 is communicated with the air outlet 3.

The contact part of the rotary sealing door 2 and the box body 1 is provided with a sealing gasket, so that the tightness of the interior of the box body 1 is ensured in the testing process of the PVC film, the testing effect and the testing efficiency are improved, and the rotary sealing door 2 is provided with an observation window, so that the state of the PVC film is conveniently observed in the testing process; pressure sensors 16 are arranged between the limiting mounting table 7 and the fixed adjusting nut 8 and between the limiting mounting table 7 and the spring 9, so that the tension of the PVC film can be conveniently adjusted, the PVC film is prevented from being damaged due to overlarge tension while the surface of the PVC film is smooth in the testing process, and the accuracy of the testing result is improved; the outer surface of the box body 1 above the control device 14 is provided with a color difference contrast card 17, so that the light fading resistance condition of the PVC film can be directly observed and compared; the ultraviolet irradiation lamp 13, the fan 15 and the pressure sensor 16 are electrically connected with the control device 14, so that the working states of the ultraviolet irradiation lamp 13 and the fan 15 can be controlled conveniently, and signals transmitted by the pressure sensor 16 in real time can be received.

Working principle: the PVC film is placed on the upper portions of the two limiting installation tables, the fixing adjusting bolts are adjusted, the limiting pressing plates press the two ends of the PVC film, the tops of the limiting installation tables and the bottoms of the limiting pressing plates are provided with anti-slip protection layers supported by rubber materials, so that the PVC film is fixed more firmly, the fixing adjusting nuts can be adjusted, thrust is applied to the limiting installation tables through springs, the limiting installation tables axially move along the guide supporting rods, corresponding tension is applied to the PVC film, the fixing adjusting nuts are adjusted continuously, data detected by the pressure sensor are matched, the pressure is adjusted to be the specified pressure, the surface of the PVC film is smooth enough and cannot be damaged due to overlarge tension, then the fan can be controlled to work, foreign matters such as dust on the PVC surface are blown away through an air outlet located above the PVC film, then the rotary sealing door can be closed, the ultraviolet spot lamp is opened, after the PCV film is tested, the light resistance of the PVC film is analyzed according to the surface fading condition after the PVC film is tested.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a device for testing PVC film light fastness, includes box (1), its characterized in that: the ultraviolet lamp box is characterized in that a rotary sealing door (2) is arranged on one longitudinal side of the box body (1), an air outlet (3) is arranged on the inner surface of the other side, fixed supporting tables (4) are arranged at the two transverse ends of the inner surface of the bottom of the box body (1), screw rods (5) are connected between the fixed supporting tables (4), guide supporting rods (6) are arranged on the two longitudinal sides of the screw rods (5), two limit mounting tables (7) are installed on the screw rods (5) in an inserting mode, the limit mounting tables (7) are connected with the guide supporting rods (6) in an inserting mode, fixed adjusting nuts (8) are installed on the screw rods (5) on one side, close to the fixed supporting tables (4), the guide supporting rods (6) are located between the limit mounting tables (7), springs (9) are installed, limit pressing plates (10) are arranged above the limit mounting tables (7), fixed adjusting bolts (11) are arranged on the two ends of the limit pressing plates (10), the fixed adjusting bolts (11) penetrate through the limit pressing plates (10) to be connected with the limit mounting tables (7), the ultraviolet lamp box body (12) is provided with an ultraviolet lamp disc (12), the air conditioner is characterized in that a control device (14) is arranged on the outer surface of one lateral side of the box body (1), a fan (15) is arranged on one side of the control device (14), and the fan (15) is communicated with the air outlet (3).

2. The device for testing the light resistance of the PVC film according to claim 1, wherein a sealing gasket is arranged at the contact part of the rotary sealing door (2) and the box body (1), and the rotary sealing door (2) is provided with an observation window.

3. An arrangement for testing the light fastness of PVC films according to claim 1, characterized in that pressure sensors (16) are provided both between the limit mount (7) and the fixed adjustment nut (8) and between the limit mount (7) and the spring (9).

4. An apparatus for testing the light fastness of PVC films according to claim 1, characterized in that the outer surface of the case (1) above the control device (14) is provided with a color difference contrast card (17).

5. A device for testing the light resistance of PVC films according to claim 3, characterized in that the ultraviolet radiation lamp (13), the blower (15) and the pressure sensor (16) are electrically connected to the control device (14).