CN210513986U

CN210513986U - Paint abrasion resistance testing machine

Info

Publication number: CN210513986U
Application number: CN201921058500.5U
Authority: CN
Inventors: 刘水泉
Original assignee: Zhangzhou Hexing Coating Co Ltd
Current assignee: Zhangzhou Hexing Coating Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-05-12
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a paint abrasion resistance testing machine relates to paint capability test instrument technical field. The technical key points are as follows: the utility model provides a paint abrasion resistance testing machine, includes the wearing machine body, be provided with the test piece dish on the mesa of wearing machine body, be provided with the screw rod on the test piece dish, the cover is equipped with gasket and threaded connection has gland nut on the screw rod of telling, be provided with on the test piece dish and compress tightly the subassembly that compresses tightly at test piece dish quotation edge with paint sample piece edge. The utility model has the advantages of simple installation and high measurement precision.

Description

Paint abrasion resistance testing machine

Technical Field

The utility model relates to a paint capability test instrument technical field, more specifically say, it relates to a paint abrasion resistance testing machine.

Background

The paint is a chemical mixture coating which can firmly cover the surface of an object to form a firm-adhesion, strong and continuous solid film and has the functions of protection, decoration, marking and other special purposes. In the production of paint, the wear resistance of the produced paint needs to be detected, and the detection can be carried out through a wear resistance test.

Chinese utility model patent No. CN204718908U discloses an abrasion resistance tester, which comprises a machine base, a panel arranged on the machine base, a test piece tray, abrasion wheels respectively arranged at two sides of the test piece tray, and a transmission mechanism for providing power to the test piece tray; the transmission mechanism comprises a motor arranged in the base and a speed reducer connected with the motor, and the output end of the speed reducer is connected with the test piece disc; the abrasion wheel is connected with a pressure rod, the pressure rod is hinged with an ear plate erected on the machine base through a pin shaft, and one end of the pressure rod, which is provided with the abrasion wheel, is provided with a weight; the test piece tray is provided with a screw rod, the screw rod is sleeved with a gasket and a compression nut, and the top of the test piece tray is provided with a dust collection pipe.

The abrasion resistance testing machine disclosed by the patent is used for measuring the abrasion resistance of paint, the paint sample wafer is placed on the test piece disc and is compressed through the compression nut, the abrasion wheel is used for carrying out press grinding on the paint sample wafer, only the middle part of the paint sample wafer is compressed, the peripheral side of the paint sample wafer is in a loosening state, and the paint sample wafer easily rotates relative to the test piece disc in the film pressing process to influence the measurement precision.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a paint abrasion resistance testing machine, it has the advantage that the paint sample wafer does not skid, measurement accuracy is high.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a paint abrasion resistance testing machine, includes the wearing machine body, be provided with the test piece dish on the mesa of wearing machine body, be provided with the screw rod on the test piece dish, the cover is equipped with gasket and threaded connection has gland nut on the screw rod of telling, be provided with on the test piece dish and compress tightly the subassembly that compresses tightly at test piece dish quotation edge with paint sample piece edge.

Through adopting above-mentioned technical scheme, when testing paint wear resistance, pass the screw rod with paint sample and place on the test piece dish, rotatory gland nut, make paint sample and test piece dish quotation paste tightly, the installation compresses tightly the subassembly and fixes the edge of paint sample piece on the mesa, start wearing machine body conveyer, wear-resisting machine body's wearing and tearing wheel pair paint sample piece face surface through wearing and tearing test, judge the wear-resisting performance of paint with this, in the test process, gland nut compresses tightly the middle part of paint sample piece, it compresses tightly the edge of paint sample piece to compress tightly the subassembly, make paint sample piece be in by the compressed state in whole test process, avoid paint sample piece and test piece dish to skid, make measuring result more accurate, improve wearing machine body measurement accuracy.

Further, compress tightly the subassembly including solid fixed ring, gu fixed ring cover establishes the week side of test block dish and its vertical section is "7" font, gu fixed ring's inner wall and the week side of test block dish and the edge butt of test block dish face.

Through adopting above-mentioned technical scheme, solid fixed ring cover is established in the week side of test block dish, and its horizontal part compresses tightly the paint sample piece in the quotation of test block dish, and the laminating of week side of its vertical portion and test block dish reaches the effect that compresses tightly paint sample edge.

Furthermore, the fixed ring is divided into a left half body and a right half body, one end of the left half body is hinged to one end of the right half body, and one end, far away from the hinged end, of the left half body is detachably connected with the right half body.

Through adopting above-mentioned technical scheme, when installing the paint sample piece at every turn, make things convenient for solid fixed ring's taking off and installation, further make things convenient for the installation of paint sample piece.

Furthermore, the outer wall of the left half body is provided with a left hinge block at the hinge end, the outer wall of the right half body is provided with a right hinge block at the hinge end, the left hinge block and the right hinge block are overlapped, hinge shafts are arranged on the left hinge block and the right hinge block, and the hinge shafts penetrate through the left hinge block and the right hinge block and are rotatably connected with the left hinge block and the right hinge block.

Through adopting above-mentioned technical scheme, the terminal surface of articulated end department of left halfbody and the terminal surface of articulated end of right halfbody can be in the same place when solid fixed ring is closed, so the existence of articulated shaft can not make and have the space between solid fixed ring's the inner wall and the week side of test block dish to avoid solid fixed ring and test block dish to skid and lead to the inaccurate condition of test result to appear.

Furthermore, one end of the left half body, which is far away from the hinged end, extends outwards to form a fixed magnet, one end of the right half body, which is far away from the hinged end, extends outwards to form an electromagnet, the electromagnet and the fixed magnet are arranged oppositely, and a shell of the wear-resistant machine body is provided with a first button switch for controlling the electromagnet to be connected with forward current and a second button switch for controlling the electromagnet to be connected with reverse current respectively.

By adopting the technical scheme, when a paint sample is loaded on the test piece disc, the first button switch is pressed, the electromagnet is electrified with forward current, at the moment, one end of the electromagnet facing the fixed magnet is homopolar with the fixed magnet, and the electromagnet and the fixed magnet attract each other, so that the fixed ring is closed to compress the paint sample piece; after experimental completion, press the second button switch, the electro-magnet lets in reverse current, and the electro-magnet is towards the one end of fixed magnet and fixed magnet homopolar this moment, thereby the electro-magnet is patted each other with fixed magnet and is repelled and open solid fixed ring, conveniently takes off the paint sample piece.

Furthermore, the inner wall of the fixing ring is provided with a rubber pad.

Through adopting above-mentioned technical scheme, the rubber pad can let the stationary ring obtain inseparabler to the suppression of paint sample, avoids paint sample and stationary ring to skid when experimental, improves the measuring degree of accuracy.

Furthermore, the rubber mat is provided with anti-skid grains.

Through adopting above-mentioned technical scheme, the static friction power between rubber pad and the paint sample is increased to the antiskid line, further avoids paint sample and solid fixed ring to skid when experimental.

Furthermore, the upper surface of the test piece disc is provided with an anti-slip pad.

Through adopting above-mentioned technical scheme, the slipmat has increased the frictional force of test block dish upper surface, further prevents that paint sample from skidding for the test result is more accurate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) by arranging the fixing ring and the compression nut, the fixing ring and the compression nut are matched with each other, so that the paint sample is compressed in the whole test process, the paint sample does not slip with the test piece disc, and the measurement accuracy is improved;

(2) by arranging the left half body, the right half body, the fixed magnet and the electromagnet, the left half body and the right half body can be conveniently separated or closed due to the mutual matching of the fixed magnet and the electromagnet, the fixed ring can be conveniently closed and opened, and the paint sample can be further conveniently installed;

(3) through setting up rubber pad and anti-skidding line, the rubber pad can let the stationary ring get inseparabler to the suppression of paint sample, and the anti-skidding line increases the stiction between rubber pad and the paint sample, avoids paint sample and test block dish to skid when experimental, improves the measuring degree of accuracy.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a test piece tray and a fixing ring;

fig. 3 is a schematic structural view of the fixing ring in an opened state.

Reference numerals: 1. a wear resistant machine body; 2. a wear wheel; 3. a test piece tray; 4. a screw; 5. a gasket; 6. a compression nut; 7. a fixing ring; 701. a left half body; 702. a right half body; 8. a rubber pad; 9. anti-skid lines; 10. a left articulating block; 11. a right hinge block; 12. hinging a shaft; 13. fixing a magnet; 14. an electromagnet; 15. a first push button switch; 16. a second push button switch; 17. a non-slip mat.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, the paint abrasion resistance testing machine comprises a wear-resistant machine body 1, wherein a conveying mechanism and a wear wheel 2 are arranged on the wear-resistant machine body 1, a test piece disc 3 is arranged on a table top of the wear-resistant machine body 1, and the conveying mechanism can drive the test piece disc 3 to rotate. The central position that lies in test piece dish 3 on test piece dish 3 is provided with vertical ascending screw rod 4, and the cover is equipped with gasket 5 and threaded connection has gland nut 6 on screw rod 4. The upper surface of the test piece tray 3 is bonded with the anti-slip pad 17, the anti-slip pad 17 is made of rubber, the anti-slip pad 17 increases the friction force of the upper surface of the test piece tray 3, and the paint sample is further prevented from slipping. The test piece tray 3 is provided with a pressing component which presses the edge of the paint sample at the edge of the tray surface of the test piece tray 3.

As shown in fig. 2 and 3, the pressing member is a fixing ring 7, the fixing ring 7 covers the periphery of the disk surface and has a 7-shaped vertical cross section, and the inner wall of the fixing ring 7 abuts against the periphery of the test piece disk 3 and the edge of the disk surface of the test piece disk 3. A rubber pad 8 is bonded on the inner wall of the fixing ring 7, the rubber pad 8 can enable the fixing ring 7 to press the paint sample more tightly, and the paint sample and the test piece are prevented from slipping during testing. The inner wall of the rubber pad 8 is provided with wavy anti-skid lines 9, the anti-skid lines 9 increase the static friction force between the rubber pad 8 and the paint sample, and the paint sample and the test piece disc 3 are further prevented from skidding.

The fixing ring 7 comprises a left half body 701 and a right half body 702, one end of the left half body 701 is hinged with one end of the right half body 702, and the other end of the left half body 701 is detachably connected with the other end of the right half body 702. The outer wall of the left half body 701 is provided with a cuboid-shaped left hinge block 10 at the hinge end, the outer wall of the right half body 702 is provided with a right hinge block 11 at the hinge end, the shape of the right hinge block is consistent with that of the left hinge block 10, the left hinge block 10 and the right hinge block 11 are arranged in an overlapping mode, and the left hinge block 10 is located right below the right hinge block 11. And a hinge shaft 12 penetrating through the left hinge block 10 and the right hinge block 11 at the same time is arranged on the upper surface of the right hinge block 11, and the hinge shaft 12 is rotatably connected with the left hinge block 10 and the right hinge block 11 at the same time. Through this articulated mode, the terminal surface of the articulated end of left half 701 and the terminal surface of the articulated end of right half 702 can be in the same place when solid fixed ring 7 is closed, so the existence of articulated shaft 12 can not make to have the space between the week side of the inner wall of solid fixed ring 7 and test block dish 3, avoids solid fixed ring 7 and test block dish 3 to skid and leads to the inaccurate condition of test result to appear.

As shown in fig. 1 and 3, a fixed magnet 13 is extended outwardly from one end of the left half body 701 away from the hinge end, an electromagnet 14 is extended outwardly from one end of the right half body 702 away from the hinge end, the electromagnet 14 is arranged opposite to the fixed magnet 13, the S-pole of the fixed magnet 13 faces the electromagnet 14, the coil of the electromagnet 14 is supplied with alternating current, and a first push-button switch 15 for controlling the electromagnet 14 to supply forward current and a second push-button switch 16 for controlling the electromagnet 14 to supply reverse current are respectively arranged on the housing of the wear-resistant machine body 1.

When a paint sample is loaded on the test piece disc 3, the fixing ring 7 is covered on the periphery of the test piece disc 3, the first button switch 15 is pressed, the electromagnet 14 is electrified with positive current, the N pole of the electromagnet 14 faces the fixing magnet 13, and the electromagnet 14 and the fixing magnet 13 attract each other, so that the fixing ring 7 is closed and the paint sample is pressed; after the test is finished, the second button switch 16 is pressed, the electromagnet 14 is electrified with reverse current, the S pole of the electromagnet 14 faces the fixed magnet 13, the electromagnet 14 and the fixed magnet 13 are mutually repelled, so that the fixed ring 7 is opened, and the paint sample is conveniently taken down.

The utility model discloses a working process and beneficial effect as follows: when testing paint wear resistance, pass the paint sample screw rod 4 and place on test block dish 3, rotatory gland nut 6, make the paint sample paste tightly with test block dish 3's quotation, cover solid fixed ring 7 in test block dish 3 week side, press first button switch 15, make solid fixed ring 7 closure compress tightly the edge of paint sample, start resistant mill body 1 conveyer, wearing and tearing test is carried out to paint sample face surface to wearing and tearing wheel 2, come the abrasion resistance performance of judgement paint with this, after experimental completion, press second button switch 16, gu fixed ring 7 is flicked, unscrew gland nut 6 again, can take off the paint sample piece. In the test process, gland nut 6 compresses tightly the middle part of paint sample piece, and solid fixed ring 7 compresses tightly the edge of paint sample piece for paint sample piece is in by the compressed state in whole test process, avoids paint sample piece and test block dish 3 to skid, makes measuring result more accurate, improves resistant mill body 1 measurement accuracy.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a paint abrasion resistance testing machine, includes wearing machine body (1), be provided with test piece dish (3) on the mesa of resistant mill body (1), be provided with screw rod (4) on test piece dish (3), the cover is equipped with gasket (5) and threaded connection has gland nut (6) on screw rod (4) of telling, its characterized in that, be provided with on test piece dish (3) and compress tightly the subassembly that compresses tightly paint sample piece edge at test piece dish (3) quotation edge.

2. The paint abrasion resistance testing machine according to claim 1, wherein the pressing assembly comprises a fixing ring (7), the fixing ring (7) covers the periphery of the test piece disc (3) and the vertical section of the fixing ring is in a 7 shape, and the inner wall of the fixing ring (7) is abutted with the periphery of the test piece disc (3) and the edge of the disc surface of the test piece disc (3).

3. The paint abrasion resistance tester according to claim 2, wherein the fixing ring (7) is divided into a left half body (701) and a right half body (702), one end of the left half body (701) is hinged with one end of the right half body (702), and one end of the left half body (701) far away from the hinged end is detachably connected with the right half body (702).

4. The paint abrasion resistance tester according to claim 3, wherein a left hinge block (10) is arranged on the outer wall of the left half body (701) at the hinge end, a right hinge block (11) is arranged on the outer wall of the right half body (702) at the hinge end, the left hinge block (10) and the right hinge block (11) are arranged in an overlapping mode, hinge shafts (12) are arranged on the left hinge block (10) and the right hinge block (11), and the hinge shafts (12) simultaneously penetrate through the left hinge block (10) and the right hinge block (11) and are rotatably connected with the left hinge block and the right hinge block (11).

5. The paint abrasion resistance testing machine according to claim 3, characterized in that a fixed magnet (13) extends outwards from one end of the left half body (701) far away from the hinged end, an electromagnet (14) extends outwards from one end of the right half body (702) far away from the hinged end, the electromagnet (14) is opposite to the fixed magnet (13), and a first button switch (15) for controlling the electromagnet (14) to be supplied with forward current and a second button switch (16) for controlling the electromagnet (14) to be supplied with reverse current are respectively arranged on the shell of the abrasion machine body (1).

6. Paint abrasion resistance tester according to claim 2, characterized in that the inner wall of said fixed ring (7) is provided with a rubber pad (8).

7. The paint abrasion tester according to claim 6, wherein the rubber pad (8) is provided with anti-slip lines (9).

8. The paint abrasion resistance tester according to claim 1, wherein the upper surface of the test piece disc (3) is provided with a non-slip pad (17).