Coating wear resistance detection machine

Abstract

The utility model relates to the field of abrasion testing machines, in particular to a coating abrasion resistance testing machine which comprises a testing machine body, the testing machine body comprises a machine shell, a control table is fixedly connected to one side of the top of the machine shell, a testing grinding wheel is fixedly connected to the back side of the top of the machine shell, and a transmission shaft is rotationally connected to an inner cavity of the machine shell. The top of the transmission shaft is fixedly connected with a test disc; the adjusting sleeve is driven to rotate by rotating the rotating sleeve, the adjusting sleeve moves upwards under the threaded connection of the adjusting sleeve and the outer cylinder, the movable rod is driven to rotate through the movement of the adjusting sleeve, when the movable rod rotates to a transverse state, the clamping seat is pushed to rotate towards the inner side, and the tested piece is pressed through the rotation of the clamping seat, so that the test is completed. The effect of convenient fixation is achieved, and the problems that the fixation mode of the existing abrasion testing machine on the tested piece is relatively tedious, and the tested piece is easily damaged are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of abrasion testing machine, concretely is a kind of paint wear resistance detection machine. BACKGROUND

[0002] Abrasion testing machine working principle is under the prescribed contact pressure and given area, the abrasion amount generated by the friction of sample on certain grade sandpaper, sandpaper is pasted on the surface of roller, sample is tightly pressed on the roller with sandpaper, so that sample moves along the transverse direction of roller, abrasion is generated at one end of cylindrical sample, the mass loss value of sample is measured, and the volume abrasion amount is calculated by the density of sample, wherein taber abrasion tester is used for abrasion test of leather, cloth, paint, paper, floor tile, plywood, glass, natural rubber and the like.

[0003] Abrasion testing machine is also an important part for wear resistance detection of paint, and the existing abrasion testing machine needs to place test piece on rotating disc first when using, then cover fixing disc on test piece and on rotating disc, then lock test piece by fixing disc through hexagonal stud, this fixing mode is more cumbersome, and test piece is also easily damaged. UTILITY MODEL CONTENTS

[0004] In order to make up for the deficiency of prior art, the existing abrasion testing machine is more cumbersome for fixing mode of test piece, and test piece is also easily damaged, the utility model provides a kind of paint wear resistance detection machine.

[0005] The utility model solves technical scheme that it adopts: a kind of paint wear resistance detection machine, including detection machine body, the detection machine body includes shell, the side fixedly connected with control console is located at the top of shell, the back side fixedly connected with test grinding wheel is located at the top of shell, the inner chamber of shell is rotatably connected with transmission shaft, the top of transmission shaft is fixedly connected with test disc, the surface of transmission shaft is provided with clamping mechanism;

[0006] The clamping mechanism includes clamping seat and outer tube, the clamping seat is located around test disc, the bottom of outer tube is fixed to the top of shell, the bottom of the surface of outer tube is threadedly connected with adjusting sleeve, the surface of adjusting sleeve is movably connected with support ring, the surface of support ring is fixedly connected with lower connecting seat, the inner chamber of lower connecting seat is provided with movable rod, the top of movable rod is provided with upper connecting seat, and the top of upper connecting seat is fixedly connected with the bottom of clamping seat.

[0007] As preferred, the bottom of the adjusting sleeve is fixedly connected with rotating sleeve, the surface of the rotating sleeve is fixedly connected with a plurality of convex strips, the bottom of the rotating sleeve is movably connected with blocking ring, and the inside of the blocking ring is fixed to the surface of the outer tube.

[0008] As preferred, the top of the outer cylinder surface is fixedly connected with an upper bearing, the outer ring of the upper bearing is fixedly connected with the bottom of the test disc, the surface of the adjusting sleeve is fixedly connected with a lower bearing, and the outer ring of the lower bearing is fixedly connected with the inner part of the supporting ring.

[0009] As preferred, the inner cavity of the lower connecting base is fixedly connected with a first rotating shaft, the bottom of the movable rod is rotatably connected with the inner part of the lower connecting base through the first rotating shaft, the inner cavity of the upper connecting base is fixedly connected with a second rotating shaft, and the top of the movable rod is rotatably connected with the inner part of the upper connecting base through the second rotating shaft.

[0010] As preferred, the inner cavity of the clamping base is rotatably connected with a light rod, the surface of the light rod is fixedly connected with a side base, and the inner ring of the side base is fixed to the surface of the test disc.

[0011] As preferred, the surface of the light rod is sleeved with a torsion spring, one end of the torsion spring is fixed to one side of the side base, and the other end of the torsion spring is fixed to one side of the clamping base.

[0012] As preferred, the surface of the clamping base is fixedly connected with a supporting pad, and the material of the supporting pad is natural rubber.

[0013] The utility model discloses the beneficial effect lies in:

[0014] The utility model discloses a rotatable rotating sleeve drives the rotation of the adjusting sleeve, moves upwards under the threaded connection of the adjusting sleeve and the outer cylinder, and the rotation of the movable rod is promoted by the movement of the adjusting sleeve, when the movable rod rotates to the horizontal state, then pushes the clamping base to rotate to the inside, and the tested piece is pressed by the rotation of the clamping base, which achieves the effect of convenient fixing, and solves the problem that the fixing mode of the existing abrasion testing machine for the tested piece is more complicated, and the tested piece is also easily damaged. ACCURACY OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is the connecting schematic diagram of the outer cylinder structure of the utility model;

[0018] Figure 3This is a cross-sectional view of the outer cylinder structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the connection of the clamping base structure of this utility model.

[0020] In the diagram: 1. Testing machine body; 11. Machine casing; 12. Control panel; 13. Test disc; 14. Test grinding wheel; 15. Drive shaft; 16. Upper bearing; 2. Clamping mechanism; 21. Clamping seat; 22. Outer cylinder; 23. Support ring; 24. Lower bearing; 25. Movable rod; 26. Lower connecting seat; 27. Rotating sleeve; 28. Blocking ring; 29. ​​Adjusting sleeve; 210. Upper connecting seat; 211. Support pad; 3. Torsion spring; 4. Smooth rod; 5. Side seat. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0022] The following is in conjunction with the appendix Figures 1-4 This application will be described in further detail.

[0023] This application discloses a coating abrasion resistance testing machine. (Refer to...) Figure 1 and Figure 4 A coating abrasion resistance testing machine includes a testing machine body 1, which includes a housing 11. A control panel 12 is fixedly connected to one side of the top of the housing 11, and a test grinding wheel 14 is fixedly connected to the back side of the top of the housing 11. A drive shaft 15 is rotatably connected to the inner cavity of the housing 11, and a drive motor is installed inside the housing 11 and connected to the drive shaft 15, so that the drive shaft 15 can drive the test disc 13 to rotate, thereby realizing the normal operation of abrasion testing. This is a conventional technical means, and this application does not need to explain it in detail here. The test disc 13 is fixedly connected to the top of the drive shaft 15, and a clamping mechanism 2 is provided on the surface of the drive shaft 15.

[0024] The clamping mechanism 2 includes a clamping seat 21 and an outer cylinder 22. The clamping seat 21 is located around the test plate 13. The bottom of the outer cylinder 22 is fixed to the top of the housing 11. An adjusting sleeve 29 is threadedly connected to the bottom of the surface of the outer cylinder 22. A support ring 23 is movably connected to the surface of the adjusting sleeve 29. A lower connecting seat 26 is fixedly connected to the surface of the support ring 23. A movable rod 25 is provided in the inner cavity of the lower connecting seat 26. An upper connecting seat 210 is provided on the top of the movable rod 25. The top of the upper connecting seat 210 is fixedly connected to the bottom of the clamping seat 21.

[0025] With reference to Figure 1 And Figure 2 The bottom of the adjusting sleeve 29 is fixedly connected with a rotating sleeve 27, the surface of the rotating sleeve 27 is fixedly connected with a plurality of convex strips, the bottom of the rotating sleeve 27 is movably connected with a blocking ring 28, the inside of the blocking ring 28 is fixed to the surface of the outer cylinder 22, through the setting of the rotating sleeve 27, it is convenient for the operator to rotate the adjusting sleeve 29 through the rotating sleeve 27, and at the same time, the plurality of convex strips arranged on the surface of the rotating sleeve 27 can increase the contact area of the operator's hand with the rotating sleeve 27, so as to avoid the phenomenon of slipping during rotation, and the setting of the blocking ring 28 can support the position of the rotating sleeve 27;

[0026] With reference to Figure 3 The top surface of the outer cylinder 22 is fixedly connected with an upper bearing 16, the outer ring of the upper bearing 16 is fixedly connected with the bottom of the test disc 13, the surface of the adjusting sleeve 29 is fixedly connected with a lower bearing 24, and the outer ring of the lower bearing 24 is fixedly connected with the inside of the supporting ring 23, through the setting of the upper bearing 16, the top of the outer cylinder 22 is supported, so that the outer cylinder 22 does not rotate when the test disc 13 rotates, and the normal work of each component is ensured;

[0027] With reference to Figure 2 And Figure 4 The inner cavity of the lower connecting seat 26 is fixedly connected with a first rotating shaft, the bottom of the movable rod 25 is rotatably connected with the inside of the lower connecting seat 26 through the first rotating shaft, the inner cavity of the upper connecting seat 210 is fixedly connected with a second rotating shaft, and the top of the movable rod 25 is rotatably connected with the inside of the upper connecting seat 210 through the second rotating shaft, through the setting of the first rotating shaft and the second rotating shaft, the position of the movable rod 25 is supported, so that the movable rod 25 can smoothly rotate in the inside of the lower connecting seat 26 and the upper connecting seat 210;

[0028] With reference to Figure 2 And Figure 4 The inner cavity of the clamping seat 21 is rotatably connected with a light rod 4, the surface of the light rod 4 is fixedly connected with a side seat 5, and the inner ring of the side seat 5 is fixed to the surface of the test disc 13, through the setting of the light rod 4, a fulcrum is provided for the clamping seat 21, so that the clamping seat 21 can rotate in the inside of the side seat 5;

[0029] With reference to Figure 2 And Figure 4 The surface of the light rod 4 is slidably sleeved with a torsion spring 3, one end of the torsion spring 3 is fixed to one side of the side seat 5, and the other end of the torsion spring 3 is fixed to one side of the clamping seat 21, through the setting of the torsion spring 3, when the clamping seat 21 rotates, the torsion spring 3 will be deformed, so that the force can be stored, thereby facilitating the clamping seat 21 to return to the original position;

[0030] With reference to Figure 4The surface of the clamping seat 21 is fixedly connected with a supporting pad 211 made of natural rubber, which reduces the contact force between the clamping seat 21 and the tested piece, thereby protecting the surface of the tested piece and preventing the tested piece from being damaged.

[0031] Working principle: first, the tested piece is placed on the top of the test disc 13, then the rotating sleeve 27 is rotated to drive the adjusting sleeve 29 to rotate on the surface of the outer cylinder 22, the adjusting sleeve 29 is moved upward under the thread connection between the outer cylinder 22 and the adjusting sleeve 29, and the upward movement of the adjusting sleeve 29 drives the supporting ring 23 to move, and the supporting ring 23 does not rotate with the adjusting sleeve 29 under the action of the lower bearing 24, so as to ensure the normal work of the supporting ring 23, the upward movement of the supporting ring 23 drives the lower connecting seat 26 to move upward, the movement of the lower connecting seat 26 drives the bottom end of the movable rod 25 to rotate in the lower connecting seat 26, when the movable rod 25 rotates to the horizontal state, the upper connecting seat 210 is pushed to move outward, and the upper connecting seat 210 drives the clamping seat 21 to rotate inward on the surface of the light rod 4, because the clamping seat 21 is provided with four, the position of the tested piece can be pressed tightly, and because the clamping seat 21 rotates inward to press the tested piece tightly, even if the thickness of the tested piece is large, the tested piece can also be pressed and fixed tightly, and the supporting pad 211 reduces the pressing force between the clamping seat 21 and the tested piece at this time, finally, the clamping seat 21 is rotated to deform the torsion spring 3.

[0032] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A coating abrasion resistance testing machine, comprising a testing machine body (1), characterized in that: The main body (1) of the testing machine includes a housing (11), a control panel (12) is fixedly connected to one side of the top of the housing (11), a test grinding wheel (14) is fixedly connected to the back side of the top of the housing (11), a drive shaft (15) is rotatably connected to the inner cavity of the housing (11), a test disc (13) is fixedly connected to the top of the drive shaft (15), and a clamping mechanism (2) is provided on the surface of the drive shaft (15). The clamping mechanism (2) includes a clamping seat (21) and an outer cylinder (22). The clamping seat (21) is located around the test plate (13). The bottom of the outer cylinder (22) is fixed to the top of the housing (11). An adjusting sleeve (29) is threadedly connected to the bottom of the surface of the outer cylinder (22). A support ring (23) is movably connected to the surface of the adjusting sleeve (29). A lower connecting seat (26) is fixedly connected to the surface of the support ring (23). A movable rod (25) is provided in the inner cavity of the lower connecting seat (26). An upper connecting seat (210) is provided on the top of the movable rod (25). The top of the upper connecting seat (210) is fixedly connected to the bottom of the clamping seat (21).

2. The coating abrasion resistance testing machine according to claim 1, characterized in that: The bottom of the adjusting sleeve (29) is fixedly connected to a rotating sleeve (27), and the surface of the rotating sleeve (27) is fixedly connected to a plurality of protrusions. The bottom of the rotating sleeve (27) is movably connected to a blocking ring (28), and the inside of the blocking ring (28) is fixed to the surface of the outer cylinder (22).

3. The coating abrasion resistance testing machine according to claim 1, characterized in that: An upper bearing (16) is fixedly connected to the top of the surface of the outer cylinder (22), and the outer ring of the upper bearing (16) is fixedly connected to the bottom of the test plate (13). A lower bearing (24) is fixedly connected to the surface of the adjusting sleeve (29), and the outer ring of the lower bearing (24) is fixedly connected to the inside of the support ring (23).

4. The coating abrasion resistance testing machine according to claim 1, characterized in that: The inner cavity of the lower connecting seat (26) is fixedly connected to a first rotating shaft, and the bottom of the movable rod (25) is rotatably connected to the interior of the lower connecting seat (26) through the first rotating shaft. The inner cavity of the upper connecting seat (210) is fixedly connected to a second rotating shaft, and the top of the movable rod (25) is rotatably connected to the interior of the upper connecting seat (210) through the second rotating shaft.

5. The coating abrasion resistance testing machine according to claim 1, characterized in that: The inner cavity of the clamping seat (21) is rotatably connected to a light rod (4), and a side seat (5) is fixedly connected to the surface of the light rod (4). The inner ring of the side seat (5) is fixed to the surface of the test plate (13).

6. The coating abrasion resistance testing machine according to claim 5, characterized in that: A torsion spring (3) is slidably sleeved on the surface of the light rod (4). One end of the torsion spring (3) is fixed to one side of the side seat (5), and the other end of the torsion spring (3) is fixed to one side of the clamping seat (21).

7. The coating abrasion resistance testing machine according to claim 1, characterized in that: The surface of the clamping seat (21) is fixedly connected to a support pad (211), and the support pad (211) is made of natural rubber.

Images