Device for testing aging resistance of modified plastic particles

Abstract

The utility model relates to the field of aging resistance testing of plastic particles, in particular to an aging resistance testing device for modified plastic particles, which comprises a testing device body, the testing device body comprises a box body and a bearing mechanism arranged at the middle part in the box body; the bearing mechanism comprises a roller, and a storage part is arranged on the surface of the roller; the storage part comprises a storage net arranged on the surface of the roller, a movable sticker is arranged on one side of the storage net, and a cover net is arranged on one side of the movable sticker; by means of the storage piece, plastic particles can be completely stored to be dispersed when an anti-aging test is carried out, in this way, when the driving mechanism controls a roller in the bearing mechanism to turn over, the particles can roll over between storage nets by means of the gravity of the particles and the change of the positions of the particles, and therefore the anti-aging performance of the plastic particles is improved. And ultraviolet light irradiation and wind power are uniformly received in a manner of continuously changing positions, so that the data accuracy of an anti-aging test is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of plastic particle ageing resistance test, especially a modified plastic particle ageing resistance test device. BACKGROUND

[0002] Plastic particle ageing resistance test is to evaluate the ability of plastic materials to change physical properties and chemical properties under long-term exposure to natural or artificial environmental conditions (such as ultraviolet light, heat, humidity, etc.). Common test methods include ultraviolet aging test, thermal oxygen aging test, etc. Through these tests, it can be determined whether the plastic particles will discolor, crack, and strength decrease during use, thereby predicting their service life and application scenarios.

[0003] After searching, the Chinese patent "CN220231416U" authorized announcement number "a plastic material paint aging durability test device" the utility model discloses a plastic material paint aging durability test device, the test cabinet is horizontally placed on the ground, the test cabinet front side surface is rotatably installed with the double-leaf protective door using the hinge, and the display panel is fixedly installed on the test cabinet front side outer surface upper end;Rotary roller, transversely rotatably installed in the middle position of the test cabinet interior;Carbon arc lamp, installed in the left and right sides of the test cabinet interior, the plastic material paint aging durability test device adopts a novel structure design, so that the device simulates sunlight using carbon arc lamp during use, and simulates natural wind power using air outlet pipe, so as to test the aging durability of paint comprehensively using various simulation conditions, and drives the reciprocating screw rod to rotate in the process of rotary roller rotation, so as to drive the carbon arc lamp to move left and right reciprocally, so that the irradiation range of the carbon arc lamp on the plastic template is more comprehensive.

[0004] Although the above-mentioned test device can simulate the effects of sunlight irradiation and natural wind force through carbon arc lamp and air outlet pipe, the material is placed on the surface of the rotary roller for rotary test through the bonding method, which can not be irradiated and subjected to wind force when the plastic particles are subjected to ageing resistance test, and only a thin layer can be laid flat through the bonding method, which is not suitable for large amount of test.

[0005] Therefore, a modified plastic particle ageing resistance test device is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] The utility model aims to solve the above-mentioned problems and provides a modified plastic particle ageing resistance test device, which improves the positioning method of the traditional ageing resistance test device using bonding, which can easily cause uneven test of the plastic particles and is not suitable for large amount of test.

[0007] The utility model discloses a modified plastics granule ageing resistance testing device, including: testing device body,

[0008] The testing device body includes a box body and a bearing mechanism arranged in the middle part of the box body.

[0009] The bearing mechanism includes a roller, and the surface of the roller is provided with a receiving part.

[0010] The receiving part includes a receiving net arranged on the surface of the roller, one side of the receiving net is provided with a movable sticker, one side of the movable sticker is provided with a cover net, and the cover net is located above the receiving net.

[0011] Preferably, the outer surface of the box body is provided with a driving mechanism, the upper part and the lower part of the box body are respectively provided with an irradiation mechanism and a blowing mechanism, and the bearing mechanism, the irradiation mechanism and the blowing mechanism are connected with the driving structure of the driving mechanism.

[0012] Preferably, one side of the receiving net is fixedly connected with adhesive, the outer surface of the cover net is provided with a connecting strip, and the side of the connecting strip close to the adhesive is connected with the adhesive. By means of the adhesive and the connecting strip, the cover net can be closed to block the plastic particles in the receiving net, so that the particles are prevented from scattering due to the opening of the cover net during the test.

[0013] Preferably, the bearing mechanism further includes a sticking ring, and the receiving net is adhered to the outer surface of the sticking ring. By means of the sticking ring, workers can conveniently install multiple receiving nets according to different types and amounts of plastic particles.

[0014] Preferably, the upper surface of the receiving net is matched with the cover net, and the materials of the receiving net and the cover net are steel wire meshes.

[0015] Preferably, the receiving net is provided with a partition, and the partition is arranged in a longitudinal direction. The partition is located in the middle part of the receiving net. By means of the partition, the space of the receiving net can be divided, and the effect of preventing the particles from accumulating can be achieved.

[0016] Preferably, the inner wall of the receiving net is fixedly connected with a reinforcing strip, and the reinforcing strip is located near the adhesive. By means of the reinforcing strip, the supporting effect of the receiving net can be improved.

[0017] The utility model discloses the beneficial effect is:

[0018] 1、through the storage piece, can be in the old test, the plastic particles are completely stored so that the particles are dispersed, so that, in the driving mechanism control bearing mechanism in the drum turnover, by the gravity of the particles itself and the change of position, to make the particles between the storage net tumbling, in order to change the position of the uniform reception of ultraviolet light irradiation and wind power, improve the data accuracy of the aging test. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of the utility model;

[0020] Figure 2 It is the internal structure schematic diagram of the box of the utility model;

[0021] Figure 3 It is the structure schematic diagram of the drum of the utility model;

[0022] Figure 4 It is the structure schematic diagram of the storage piece of the utility model;

[0023] Figure 5 It is the internal structure schematic diagram of the storage net of the utility model.

[0024] In the drawing: 1, test device body; 11, box; 12, driving mechanism; 13, illumination mechanism; 14, bearing mechanism; 141, drum; 142, paste ring; 143, storage piece; 1431, storage net; 1432, cover net; 1433, movable paste; 1434, connecting strip; 1435, adhesive; 1436, spacer; 1437, reinforcing strip; 15, blowing mechanism. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] In specific implementation, as shown in the drawing: Figures 1-5 A modified plastic particle aging resistance test device, comprising: a test device body 1; the test device body 1 includes a box 11 and a bearing mechanism 14 arranged in the middle of the box 11; the bearing mechanism 14 includes a drum 141, and the surface of the drum 141 is provided with a storage piece 143;

[0027] The outer surface of the box body 11 is provided with a driving mechanism 12, and the upper and lower parts of the box body 11 are respectively provided with an irradiation mechanism 13 and a blowing mechanism 15. The bearing mechanism 14, the irradiation mechanism 13 and the blowing mechanism 15 are all connected with the driving structure of the driving mechanism 12; the bearing mechanism 14 further comprises a sticking ring 142, and a receiving net 1431 is adhered to the outer surface of the sticking ring 142;

[0028] It should be noted that the driving mechanism 12 mainly comprises a motor, a transmission wheel and a transmission belt. The transmission structure composed of the transmission wheel and the transmission belt is provided with two groups. One group is connected with the irradiation mechanism 13, and the other group is connected with the blowing mechanism 15. The motor is fixedly connected to the outer surface of the box body 11;

[0029] The transmission wheel of one group is fixedly connected to the output end of the motor, and the transmission wheel is sleeved on the surface of the transmission wheel. The transmission wheel is provided with two transmission wheels. The irradiation mechanism 13 is composed of a lead screw, a threaded sleeve and a lamp body. The lead screw is fixedly connected to the upper transmission wheel of the transmission mechanism. Both ends of the lead screw are connected with the inner wall of the box body 11 through a bearing seat. The threaded sleeve and the lamp body are both provided with two. The two threaded sleeves are respectively arranged on both sides of the surface of the lead screw. The lamp body is arranged below the threaded sleeve, and the irradiation angle is downward. The lead screw can be reciprocally displaced left and right through the threaded sleeve when the lead screw rotates by the transmission wheel, so as to irradiate the plastic particles in the receiving net 1431 on the surface of the roller 141 by ultraviolet rays, thereby simulating the irradiation of the plastic particles by the external sun;

[0030] The transmission wheel of the other group of transmission mechanism is also fixedly connected to the output end of the motor, and is located beside the first group of transmission wheels. The second transmission wheel of the transmission mechanism is fixedly connected with a driving rod. The blowing assembly comprises a driving rod, and the surface of the driving rod is fixedly connected with a cam. A movable frame is arranged below the cam. The bottom of the inner cavity of the box body 11 is provided with a blowing box. The movable frame is located above the blowing box and is slidingly connected in the blowing box. The movable frame is composed of two plate bodies, a movable rod and a spring. The movable rod slides in the box body 11. The upper plate body is in contact with the cam, and the lower plate body is fixed with the spring. The lower end of the spring is fixed with the top of the blowing box. The lower plate body is located in the blowing box. When the cam rotates, the movable frame can continuously send air into the movable box by using the eccentric effect. The shell filled with sand is arranged on both sides of the inner cavity of the blowing box. When air is sent into the blowing box, the sand will be blown into the box body 11 through the airflow matching pipeline, so as to simulate the use condition of the plastic particles encountering wind sand when used externally;

[0031] As Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the receiving member 143 includes a receiving net 1431 arranged on the surface of the roller 141, one side of the receiving net 1431 is provided with a movable sticker 1433, one side of the movable sticker 1433 is provided with a cover net 1432, the cover net 1432 is located above the receiving net 1431; One side of the receiving net 1431 is fixedly connected with an adhesive 1435, the outer surface of the cover net 1432 is provided with a connecting strip 1434, one side of the connecting strip 1434 close to the adhesive 1435 is connected with the adhesive 1435; The upper surface of the receiving net 1431 is matched with the cover net 1432, the material of the receiving net 1431 and the cover net 1432 is steel mesh; The receiving net 1431 is provided with a partition layer 1436, the partition layer 1436 is arranged in a longitudinal direction, and the partition layer 1436 is located in the middle of the receiving net 1431; The inner wall of the receiving net 1431 is fixedly connected with a reinforcing strip 1437, and the reinforcing strip 1437 is located near the adhesive 1435;

[0032] It should be noted that the above description of the motor, transmission wheel, transmission belt, screw rod, threaded sleeve, lamp body, spring and the like are all relatively mature devices in the prior art, and the specific model can be selected according to actual needs. Meanwhile, the motor power supply can be an internal power supply or a mains power supply, and the specific power supply mode is selected as appropriate, which will not be described here;

[0033] During the aging resistance test, first, the receiving net 1431 is bonded to the surface of the adhesive ring 142 on the surface of the roller 141. The number of receiving nets 1431 installed can be determined according to the detection amount of plastic particles and the type of plastic particles. After the receiving net 1431 is installed, the particles are placed in the receiving net 1431. Then, the cover net 1432 is closed and the connecting strip 1434 of the cover net 1432 is bonded to the surface of the adhesive 1435. The driving member can be opened to drive the carrier to rotate. At the same time, the blowing member and the illuminating member will also be turned on in turn. The illuminating member can simulate the ultraviolet light of the sun's radiation to irradiate the surface of the plastic particles. With the continuous rolling of the roller 141 and the change of the position of the receiving net 1431, the plastic particles will continuously roll in the receiving net 1431 by their own gravity, achieving the effect of uniformly receiving ultraviolet light and wind force;

[0034] The utility model discloses a kind of plastic particle aging test devices, including rolling drum 141, cover net 1432, connecting strip 1434, adhesive 1435, drive 142, bearing 143, blowing piece and illuminating piece, the rolling drum 141 is provided with drive 142, and the rolling drum 141 is provided with bearing 143, and the rolling drum 141 is provided with cover net 1432, and the rolling drum 141 is provided with connecting strip 1434, and the rolling drum 141 is provided with adhesive 1435, and the rolling drum 141 is provided with blowing piece, and the rolling drum 141 is provided with illuminating piece, when using, first adhesive 1435 is adhered in the surface of the surface of rolling drum 141 of storage net 1431, the installation quantity of this storage net 1431 can be decided according to the detection amount of plastic particle and the kind of plastic particle, after storage net 1431 is installed, particle is placed in storage net 1431, subsequently cover net 1432 is closed and connecting strip 1434 of cover net 1432 is adhered in adhesive 1435 surface, the amount of particle in each storage net 1431 is not too much, finally drive piece can be opened to drive bearing rotation, simultaneously blowing piece and illuminating piece will also be opened in succession, illuminating piece can imitate the ultraviolet light of sun irradiation to irradiate the surface of plastic particle, along with the continuous rolling of rolling drum 141, and cooperate the position change of storage net 1431, plastic particle will be constantly tumbled in storage net 1431 by its own gravity, can reach the effect of uniform reception ultraviolet light, simultaneously blowing piece will also be driven to blow sand-containing wind body to storage net 1431 by the drive of drive piece, to imitate the real situation when plastic particle is applied to outside, to reach the effect of aging test.

[0035] Furthermore, it should be understood that, although the present specification is described according to embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for clarity, the skilled in the art should take the specification as a whole, the technical solution in each embodiment can also be combined appropriately, form other embodiments that the skilled in the art can understand.

Claims

1. A modified plastic particle aging resistance testing device, characterized in that: include: Testing device body (1); The testing device body (1) comprises a box (11) and a supporting mechanism (14) arranged in the middle of the box (11); The carrying mechanism (14) comprises a roller (141), and a receiving member (143) is provided on the surface of the roller (141); The storage member (143) comprises a storage net (1431) arranged on the surface of the drum (141), a movable sticker (1433) is arranged on one side of the storage net (1431), a cover net (1432) is arranged on one side of the movable sticker (1433), and the cover net (1432) is located above the storage net (1431).

2. The aging resistance testing device for modified plastic particles according to claim 1, characterized in that: The outer surface of the box (11) is provided with a driving mechanism (12), the upper part and the lower part of the box (11) are respectively provided with an irradiation mechanism (13) and a blower mechanism (15), and the carrying mechanism (14), the irradiation mechanism (13) and the blower mechanism (15) are all connected to the driving structure of the driving mechanism (12).

3. The aging resistance testing device for modified plastic particles according to claim 1, characterized in that: One side of the storage net (1431) is fixedly connected with a viscose (1435), and the outer surface of the cover net (1432) is provided with a connecting strip (1434), and the side of the connecting strip (1434) close to the viscose (1435) is connected to the viscose (1435).

4. The aging resistance testing device for modified plastic particles according to claim 1, characterized in that: The carrying mechanism (14) further comprises an adhesive ring (142), and the receiving net (1431) is adhered to the outer surface of the adhesive ring (142).

5. The aging resistance testing device for modified plastic particles according to claim 1, characterized in that: The upper surface of the storage net (1431) is matched with the cover net (1432), and the materials of the storage net (1431) and the cover net (1432) are both steel mesh.

6. The modified plastic particle aging resistance testing device according to claim 1, characterized in that: The storage net (1431) is provided with a partition (1436), the partition (1436) is arranged in a longitudinal direction, and the partition (1436) is located in the middle of the storage net (1431).

7. The modified plastic particle aging resistance testing device according to claim 1, characterized in that: The inner wall of the storage net (1431) is fixedly connected with a reinforcement strip (1437), and the reinforcement strip (1437) is located near the adhesive (1435).

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