A high wear-resistant pu protective oil wear-resistant testing device

Abstract

The application discloses a kind of high wear-resistant PU protective oil wear-resistant testing device, including placing rack and work rack, the installation plate is arranged in the bottom of the placing rack, the installation plate is fixedly connected between placing rack by adsorption magnetic block, the extension plate is uniformly arranged in the installation plate two sides, the limit rod is movably inserted in the both ends of the extension plate, and the turnover mechanism is arranged in the both sides of the work rack and the two extension plate end portions.The application is provided with turnover mechanism, the placing rack and the installation plate are deflected inward with the end portion of placing rack as center by turnover mechanism, the placing rack can drive mobile phone protective sleeve to deflect in two directions, so that the two sides of mobile phone protective sleeve can be contacted with RCE paper tape abrasion tester friction detection position, the surface of mobile phone protective sleeve can be all-around friction test, and then worker does not need to operate manually, simultaneously, mechanical structure is used instead of manual work, and the friction detection efficiency of the surface of mobile phone protective sleeve is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of protective oil wear resistance test, and particularly relates to a high-wear-resistance PU protective oil wear resistance test device. BACKGROUND

[0002] Silicone rubber is a widely used material in electronic accessories, commonly used in protective cases for various digital products. Surface texture oil treatment is usually performed on the surface of the material to improve the texture and quality of the product. PU protective oil is a high-gloss varnish made of high-performance resin, mainly used for spraying on the surface of silicone rubber products. It effectively improves the properties of silicone rubber surface, such as yellowing resistance, alcohol resistance, acid and alkali resistance, and also provides strong adhesion, good texture, UV resistance, high wear resistance, high gloss, and other characteristics.

[0003] During the wear resistance test of PU protective oil, RCE paper tape abrasion tester is used to rub the surface of silicone rubber products. The side of the protective case of the mobile phone is usually arc-shaped, and the RCE paper tape abrasion tester can only test the single surface of the protective case, so workers need to hold it for full-range rubbing test.

[0004] Therefore, it is necessary to invent a high-wear-resistance PU protective oil wear resistance test device to solve the above problems. SUMMARY

[0005] To solve the above problems, the application provides a high-wear-resistance PU protective oil wear resistance test device to solve the problems in the background art.

[0006] To achieve the above purpose, the application provides the following technical solution: a high-wear-resistance PU protective oil wear resistance test device, a placing rack and a working rack, the bottom of the placing rack is provided with a mounting plate, the mounting plate and the placing rack are fixedly connected through an adsorbing magnetic block, the front and rear sides of the mounting plate are provided with extension plates, the two ends of each extension plate are movably inserted into a limiting rod, one end of the limiting rod is fixedly connected to the surface of the mounting plate, the bottom of the mounting plate is mirror-symmetrically provided with two electric telescopic rods, and the middle part of the extension plate is fixedly connected to the output end of the electric telescopic rod.

[0007] The working rack and the ends of the two extension plates are connected with a turnover mechanism.

[0008] Optionally, the turnover mechanism comprises a center plate, the bottom of the center plate is fixedly connected to the working rack.

[0009] Both ends of the center plate are provided with reciprocating plates, two auxiliary rods are fixedly connected between the two reciprocating plates, the middle part of the auxiliary rod is movably inserted into the center plate, the side of the reciprocating plate away from the extension plate is fixedly connected with a push block, the opposite sides of the two push blocks are connected with the output ends of the push cylinders, and the push cylinders are fixedly connected to the center plate.

[0010] The side of the reciprocating plate facing the extension plate is provided with a moving plate, the opposite sides of the two moving plates are respectively fixedly connected with a support plate, the top of the support plate is provided with a rotating shaft, one end of the rotating shaft away from the reciprocating plate is fixedly connected with a connecting rod, the connecting rod is fixedly connected with the corresponding extension plate, one end of the rotating shaft close to the reciprocating plate is provided with a rotating block, one side of the rotating block is provided with a toothed strip for engaging with the rotating block, the toothed strip is fixedly connected with the support plate, the top of the rotating shaft is clamped with a limiting sliding block, the limiting sliding block is slidably connected in the inside of the workstand, and an adjusting mechanism is arranged between the two reciprocating plates and the center plate.

[0011] Optionally, the adjusting mechanism comprises a lead screw and a working groove opened in each reciprocating plate, a section of the middle part of the lead screw is rotatably inserted into the inside of the center plate, the two ends of the lead screw are rotatably penetrated through the opposite sides of the two working grooves, one end of the lead screw is penetrated through the working groove and extends to the outside of one of the reciprocating plates and is fixedly connected with a knob, the surface of the part of the lead screw located in the two working grooves is provided with threads, the threads are threadedly sleeved with a moving sliding block, and the moving sliding block is fixedly connected with the moving plate.

[0012] Optionally, the front and rear sides of the placing frame are arc-shaped.

[0013] Optionally, the output end of the push cylinder is attached to the surface of the push block, and the movement directions of the output ends of the two push cylinders are opposite.

[0014] Optionally, the surface of the rotating block is provided with teeth matching the toothed strip.

[0015] Optionally, the bottom of the limiting sliding block is provided with an arc-shaped groove structure matching the surface of the rotating shaft.

[0016] Optionally, two auxiliary blocks are further arranged between the two moving sliding blocks on the surface of the lead screw, and the auxiliary blocks are arranged at the notch positions of the working grooves.

[0017] Optionally, the rotation directions of the two threads of the lead screw are opposite.

[0018] Technical effects and advantages of the present application:

[0019] 1. The mobile phone protective cover surface friction detection device, through the setting of the turnover mechanism, the turnover mechanism drives the placing rack and the mounting plate to deflect inward with the end of the placing rack as the center, the placing rack can drive the mobile phone protective cover to deflect in two directions, so that the two sides of the mobile phone protective cover can contact the RCE paper tape wear-resistant instrument friction detection position, the surface of the mobile phone protective cover can be tested in all directions, and manual operation of workers is not needed, mechanical structure is used instead of manual work, and the friction detection efficiency of the surface of the mobile phone protective cover is improved.

[0020] 2. The mobile phone protective cover surface friction detection device, through the setting of the adjusting mechanism, the position of the turnover mechanism can be adjusted, the surface of the mobile phone protective cover of different widths can be tested in cooperation with the two extension plates, the device can cooperate with different mobile phone protective covers to test the surface friction, and the applicability of the device is improved.

[0021] Other characteristics and advantages of the present application will become apparent from the description which follows, and partially from the appended claims. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0023] Figure 1 The overall structure schematic diagram of the embodiment of the present application is shown;

[0024] Figure 2 The top view of the turnover mechanism in the embodiment of the present application is shown;

[0025] Figure 3 The front view of the moving plate in the embodiment of the present application is shown;

[0026] Figure 4 The right view of the turnover mechanism in the embodiment of the present application is shown;

[0027] Figure 5 The bottom view of the mounting plate in the embodiment of the present application is shown;

[0028] As shown in the figure, 1 is a placing rack, 2 is a working rack, 3 is a mounting plate, 4 is an adsorbing magnetic block, 5 is an extension plate, 6 is a limiting rod, 7 is an electric telescopic rod, 8 is a center plate, 9 is a reciprocating plate, 10 is an auxiliary rod, 11 is a pushing block, 12 is a pushing cylinder, 13 is a moving plate, 14 is a supporting plate, 15 is a rotating shaft, 16 is a connecting rod, 17 is a rotating block, 18 is a toothed strip, 19 is a limiting sliding block, 20 is a screw rod, 21 is a working groove, 22 is a knob, 23 is a moving sliding block, and 24 is an auxiliary block. DETAILED DESCRIPTION

[0029] In order to make the inventive purposes, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the embodiments described below are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] The technical solutions of the present application will be further described below in conjunction with the drawings and specific embodiments.

[0031] In the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0032] The present application provides a kind of high wear-resistant PU protective oil wear-resistant testing device, as shown in figure Figures 1-5 The placing rack 1 is arc-shaped on both sides, and the mounting plate 3 is provided at the bottom of the placing rack 1. The mounting plate 3 is fixedly connected with the placing rack 1 through the adsorbing magnetic block 4. The extension plate 5 is provided on both sides of the mounting plate 3. The extension plate 5 is movably inserted into the limiting rod 6 at both ends. One end of the limiting rod 6 is fixedly connected with the surface of the mounting plate 3. Two electric telescopic rods 7 are provided in the middle of the mounting plate 3. The middle part of the extension plate 5 is fixedly connected with the output end of the electric telescopic rod 7.

[0033] The mounting plate 3 is located at the center of the working rack 2. The working rack 2 is provided with a turnover mechanism on both sides and the end of the two extension plates 5.

[0034] When the surface of the mobile phone protective cover needs to be tested, the mobile phone protective cover is placed on the surface of the corresponding placing rack 1, then the placing rack 1 is fixedly connected with the center of the mounting plate 3 through the adsorbing magnetic block 4, if the surfaces of mobile phone protective covers of different models need to be tested, the corresponding placing rack 1 needs to be used, and the two electric telescopic rods 7 are started to drive the extension plates 5 to move to be flush with the placing rack 1, the position of the extension plate 5 is limited by the limiting rod 6, so that the extension plate 5 is more stable during movement, if the mounting plate 3 moves, the mounting plate 3 is moved to the center of the workbench 2, the RCE paper tape abrasion tester is started to work to test the surface of the mobile phone protective cover, and the turnover mechanism can make the placing rack 1 turn over at the centers of the two arc surfaces on the two sides by the two extension plates 5, the mounting plate 3 and the two extension plates 5 can be deflected to the bottom of the workbench 2 at the centers of the two arc surfaces of the placing rack 1, so that the placing rack 1 can drive the mobile phone protective cover to turn over, and the RCE paper tape abrasion tester can test the side surface of the mobile phone protective cover.

[0035] As shown in Figures 1-3 The turnover mechanism includes a center plate 8, the bottom of the center plate 8 is fixedly connected with the workbench 2, reciprocating plates 9 are arranged at the two ends of the center plate 8, two auxiliary rods 10 are fixedly connected between the two reciprocating plates 9, the auxiliary rods 10 are movably inserted into the center plate 8, a pushing block 11 is fixedly connected to one side of the reciprocating plate 9, a pushing cylinder 12 is arranged on one side of the pushing block 11, the pushing cylinder 12 is fixedly connected with the center plate 8, the turnover mechanism is symmetrically arranged with respect to the center of the center plate 8, the output end of the pushing cylinder 12 is attached to the surface of the pushing block 11, the movement states of the two pushing cylinders 12 are opposite, a moving plate 13 is arranged on the other side of the reciprocating plate 9, a support plate 14 is fixedly connected to the end of the moving plate 13, a rotating shaft 15 is arranged on the top of the support plate 14, the center line of the arc surface of the placing rack 1 and the center line of the corresponding rotating shaft 15 are the same straight line, a connecting rod 16 is fixedly connected to one end of the rotating shaft 15, the two connecting rods 16 are fixedly connected with the two extension plates 5 respectively, a rotating block 17 is arranged on the other end of the rotating shaft 15, a toothed strip 18 is arranged on one side of the rotating block 17, the surface of the rotating block 17 is provided with teeth, the toothed strip 18 is matched with the teeth, the toothed strip 18 is fixedly connected with the support plate 14, a limiting sliding block 19 is arranged on the top of the rotating shaft 15, the bottom of the limiting sliding block 19 is arc-shaped, the arc shape of the limiting sliding block 19 is matched with the surface of the rotating shaft 15, the limiting sliding block 19 is movably inserted into the workbench 2, and an adjusting mechanism is arranged between the two moving plates 13 and the reciprocating plate 9 and the center plate 8.

[0036] When the side surface of the mobile phone protective sleeve needs to be subjected to friction detection, one push cylinder 12 extends to push the push block 11, and the other push cylinder 12 retracts, the push block 11 drives the corresponding reciprocating plate 9 to move, the reciprocating plate 9 moves through the auxiliary rod 10 to drive the other reciprocating plate 9 to move, the two moving plates 13 drive the supporting plate 14 and the toothed strip 18 to move, the toothed strip 18 on one side gradually approaches the rotating block 17, and the supporting plate 14 remains supported on the rotating shaft 15, and the supporting plate 14 on the other side gradually separates from the surface of the rotating shaft 15, after the toothed strip 18 on one side is engaged with the teeth on the surface of the rotating block 17, the supporting plate 14 on the other side separates from the surface of the rotating shaft 15, and the toothed strip 18 continues to move to rotate the rotating block 17 and the rotating shaft 15, the rotating shaft 15 on the other side is no longer blocked by the supporting plate 14, and the rotating shaft 15 on the other side can separate from the limiting sliding block 19, and the rotating shaft 15 can drive the mounting plate 3 and the extension plate 5 to overturn by 90 degrees through the connecting rod 16, the placing rack 1 drives the mobile phone protective sleeve to deflect by 90 degrees, and the RCE paper tape abrasion tester can perform friction test on the side surface of the mobile phone protective sleeve.

[0037] The present application is provided with a turnover mechanism, which drives the placing rack 1 and the mounting plate 3 to deflect inwardly with the end of the placing rack 1 as the center, so that the mobile phone protective sleeve can be deflected in two directions, the two sides of the mobile phone protective sleeve can be in contact with the friction detection position of the RCE paper tape abrasion tester, the surface of the mobile phone protective sleeve can be subjected to omnidirectional friction test, and the worker is not required to perform manual operation, the mechanical structure is used to replace manual operation, and the friction detection efficiency of the surface of the mobile phone protective sleeve is improved.

[0038] As shown in Figure 1 and Figure 4 , the adjusting mechanism comprises a lead screw 20 and two working grooves 21, one end of the lead screw 20 is rotatably inserted into the center plate 8, both ends of the lead screw 20 are rotatably inserted into one side of the two working grooves 21, one end of the lead screw 20 extends to the outside through one of the reciprocating plates 9, and a knob 22 is fixedly connected to the end of the lead screw 20, the surface of the lead screw 20 located on one side of the two working grooves 21 is provided with an auxiliary block 24, the cross section of the auxiliary block 24 is circular, a thread is formed on the surface of the lead screw 20 located in the two working grooves 21, a moving sliding block 23 is sleeved on the surface of the lead screw 20, one end of the moving sliding block 23 is fixedly connected with the moving plate 13, the threads on the surfaces of the two sides of the lead screw 20 are oppositely arranged, and the moving sliding block 23 is threadedly sleeved with the thread surface corresponding thereto.

[0039] In the test of the surface of the mobile phone protective sleeve of different models, the knob 22 is rotated to drive the screw rod 20 to rotate, the moving block 23 drives the moving plate 13 to move, the support plate 14 and the toothed strip 18 change positions, the extension plate 5 changes positions by the electric telescopic rod 7, the connecting rod 16 drives the rotating shaft 15 to move, until the center of the rotating shaft 15 coincides with the center of the placing frame 1, and the rotating shaft 15 drives the limiting sliding block 19 to slide in the workbench 2, so as to limit the rotating shaft 15 by the limiting sliding block 19, avoid the whole installation plate 3 from falling off the workbench 2, and the two auxiliary blocks 24 limit the screw rod 20 in the two working grooves 21, so as to avoid the reciprocating plate 9 from affecting the adjusting mechanism when moving.

[0040] The adjusting mechanism is arranged, the position of the turnover mechanism can be adjusted, the surface of the mobile phone protective sleeve of different widths can be tested in cooperation with the two extension plates 5, so that the device can cooperate with different mobile phone protective sleeves to perform surface friction testing, and the applicability of the device is improved.

[0041] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.

[0042] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

[0043] The above-described embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A high abrasion PU protective oil abrasion resistance testing device, comprising a placing frame (1) and a working frame (2), characterized in that: The bottom of the rack (1) is provided with a mounting plate (3), the mounting plate (3) and the rack (1) are fixedly connected through the adsorption magnetic block (4), the front and rear sides of the mounting plate (3) are provided with the extension plate (5), the both ends of the extension plate (5) are movably inserted into the limiting rod (6), one end of the limiting rod (6) is fixedly connected with the surface of the mounting plate (3), the bottom of the mounting plate (3) is provided with two electric telescopic rods (7) in mirror symmetry, the middle part of the extension plate (5) is fixedly connected with the output end of the electric telescopic rod (7). The work frame (2) is connected with the end of the two extension plates (5) through the turnover mechanism. The turnover mechanism comprises a center plate (8), the bottom of the center plate (8) is fixedly connected with the work frame (2). The both ends of the center plate (8) are provided with reciprocating plates (9), two auxiliary rods (10) are fixedly connected between the two reciprocating plates (9), the middle part of the auxiliary rod (10) is movably inserted into the center plate (8), the side of the reciprocating plate (9) away from the extension plate (5) is fixedly connected with the push block (11), the output end of the push cylinder (12) is connected with the opposite sides of the two push blocks (11), and the push cylinder (12) is fixedly connected on the center plate (8). The side of the reciprocating plate (9) facing the extension plate (5) is provided with a moving plate (13), the opposite sides of the two moving plates (13) are respectively fixedly connected with a support plate (14), the top of the support plate (14) is provided with a rotating shaft (15), one end of the rotating shaft (15) away from the reciprocating plate (9) is fixedly connected with a connecting rod (16), the connecting rod (16) is fixedly connected with the corresponding extension plate (5), one end of the rotating shaft (15) close to the reciprocating plate (9) is provided with a rotating block (17), one side of the rotating block (17) is provided with a gear strip (18) for engaging with the rotating block (17), the gear strip (18) is fixedly connected with the support plate (14), the top of the rotating shaft (15) is clamped with a limiting sliding block (19), the top of the limiting sliding block (19) is slidably connected in the work frame (2), and an adjusting mechanism is arranged between the two reciprocating plates (9) and the center plate (8).

2. A high abrasion PU protective oil abrasion resistance testing device according to claim 1, characterized in that: The adjusting mechanism comprises a lead screw (20) and a working groove (21) formed in each reciprocating plate (9), one section of the middle part of the lead screw (20) is rotatably inserted into the center plate (8), the both ends of the lead screw (20) are rotatably penetrated through the opposite sides of the two working grooves (21), one end of the lead screw (20) is penetrated through the working groove (21) and extends to the outside of one of the reciprocating plates (9) and is fixedly connected with a knob (22), the surface of the part of the lead screw (20) located in the two working grooves (21) is provided with threads, the threads are threadedly sleeved with a moving sliding block (23), and the moving sliding block (23) is fixedly connected with the moving plate (13).

3. The high wear resistant PU protective oil wear test device of claim 1, wherein: The front and rear sides of the rack (1) are arc-shaped.

4. The high abrasion resistant PU protective oil abrasion resistance testing device according to claim 1, characterized in that: The output end of the push cylinder (12) is surface-adhered with the push block (11), and the movement directions of the output ends of the two push cylinders (12) are opposite.

5. The high wear resistant PU protective oil wear test device of claim 1, wherein: The surface of the rotating block (17) is provided with gear teeth matched with the toothed strip (18).

6. The high abrasion resistant PU protective oil abrasion resistance testing device according to claim 1, characterized in that: The bottom of the limiting sliding block (19) is provided with an arc-shaped groove structure matched with the surface of the rotating shaft (15).

7. A high abrasion resistant PU protective oil abrasion resistant testing device according to claim 2, characterized in that: The surface of the lead screw (20) is further provided with two auxiliary blocks (24) between the two moving sliding blocks (23), and the auxiliary blocks (24) are arranged at the notch positions of the working grooves (21).

8. A high abrasion resistant PU protective oil abrasion resistant testing device according to claim 2, characterized in that: The rotation directions of the two threads of the lead screw (20) are opposite.

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