A friction coefficient tester for protective film

Abstract

The utility model discloses a friction coefficient measuring instrument for a protective film, relates to the technical field of protective film detection, and comprises a detector, wherein a supporting leg is arranged at the bottom of the detector, a position adjustment mechanism is arranged on the detector, a detection head mechanism is arranged on the position adjustment mechanism, a slide bar mechanism is arranged on the detector, two moving frame mechanisms are arranged on the slide bar mechanism, a rotation limiting mechanism is arranged on the moving frame mechanism, and a support plate mechanism is arranged on the detector. The utility model can adjust the position of the detection head mechanism by setting the position adjustment mechanism, can detect the friction coefficient of the protective film by the detection head mechanism, can limit the moving path of the moving frame mechanism by the slide bar mechanism, can limit the end of the protective film by the rotation limiting mechanism, and the support plate mechanism is used to support the protective film, thereby improving the efficiency of measuring the friction coefficient of the protective film.

Description

Technical Field

[0001] The utility model relates to the technical field of protective film detection, in particular to a friction coefficient tester for protective films. Background Art

[0002] According to the purpose, protective films can be divided into digital product protective films, car protective films, household protective films, food preservation protective films, etc. With the popularity of digital products such as mobile phones in China, protective films have gradually become a general term for screen protective films, and their functions in the field of screen protective films are also varied.

[0003] In the prior art, the driving bracket is swung to a position away from the platform, and the film is placed between the extrusion roller and the platform. The torsion spring is stretched, the force applied to the bracket is removed, the rotating plate and the bracket swing downward together, the semicircular sleeve is deformed, and the extrusion and fixing effect of the film is achieved; the driving bracket is inserted into the placement cavity surrounded by two limit blocks, the driving bolt is rotated and inserted into the plug-in hole, and the fixing effect between the bracket and the rotating plate is achieved; the two semicircular sleeves are arranged outside the extrusion roller, and the driving screw and the nut are threadedly connected to achieve the extrusion and fixing effect of the two semicircular rings on the two semicircular sleeves. However, in the prior art, it is not possible to detect the friction coefficient of a larger protective film, so the prior art has a large room for improvement. Utility Model Content

[0004] The utility model provides a friction coefficient tester for a protective film, which solves the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A friction coefficient tester for a protective film comprises a tester, wherein a support leg is provided at the bottom of the tester, a position adjustment mechanism is provided on the tester, a detection head mechanism is provided on the position adjustment mechanism, a slide bar mechanism is provided on the tester, two moving frame mechanisms are provided on the slide bar mechanism, a rotation limiting mechanism is provided on the moving frame mechanism, and a support plate mechanism is provided on the tester; the position adjustment mechanism is used to adjust the position of the detection head mechanism, the moving frame mechanism is used to limit the slide bar mechanism, and the rotation limiting mechanism is used to limit the end of the protective film.

[0007] As a preferred technical solution of the utility model, the position adjustment mechanism includes a mounting frame fixed on the detector, a first motor is provided on the mounting frame, the output shaft of the first motor is fixedly connected to a threaded rod, the threaded rod and the mounting frame are rotatably connected, the threaded rod is threadedly connected to a position adjustment block, and the position adjustment block and the mounting frame are slidably connected.

[0008] As a preferred technical solution of the utility model, the detection head mechanism includes a first electric telescopic rod fixed to the bottom of the position adjustment block, and the bottom of the first electric telescopic rod is fixedly connected to the detection head.

[0009] As a preferred technical solution of the utility model, the sliding bar mechanism includes two sliding bar fixing plates fixed on the detector, and the sliding bar is fixedly connected between the sliding bar fixing plates.

[0010] As a preferred technical solution of the utility model, the moving frame mechanism includes a second electric telescopic rod fixed to the side of the slide rod fixing plate, the second electric telescopic rod is fixedly connected to the moving frame, the slide rod passes through the moving frame and is slidably connected to the moving frame.

[0011] As a preferred technical solution of the utility model, the rotation limiting mechanism includes a first rotating shaft rotatably connected to the moving frame, two first rotating shafts are provided, and the first rotating shafts are symmetrically arranged on the moving frame, the first rotating shaft is fixedly connected to the rotating frame, the third electric telescopic rod is fixedly connected to the rotating frame, the third electric telescopic rod is fixedly connected to the limiting plate, the limiting plate and the rotating frame are slidably connected, and a second motor is provided on the moving frame, and the output shaft of the second motor is coaxially fixedly connected to one of the first rotating shafts.

[0012] As a preferred technical solution of the utility model, the support plate mechanism includes a fourth electric telescopic rod fixed on the detector, and one end of the fourth electric telescopic rod away from the detector is fixedly connected to the support plate.

[0013] The utility model has the following advantages: the utility model can adjust the position of the detection head mechanism by setting a position adjustment mechanism, can detect the friction coefficient of the protective film by the detection head mechanism, can limit the moving path of the moving frame mechanism by the sliding rod mechanism, can limit the end of the protective film by the rotation limiting mechanism, and the support plate mechanism is used to support the protective film, thereby improving the efficiency of measuring the friction coefficient of the protective film. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The figure is a schematic diagram of the structure of a friction coefficient tester for protective film.

[0015] Figure 2 This is a schematic diagram of the structure of the friction coefficient tester for protective film from the second perspective.

[0016] Figure 3 This is a schematic diagram of the structure of the friction coefficient tester for protective film from the third perspective.

[0017] In the figure: 1. detector; 2. support leg; 3. position adjustment mechanism; 301. mounting frame; 302. first motor; 303. threaded rod; 304. position adjustment block; 4. detection head mechanism; 401. first electric telescopic rod; 402. detection head; 5. slide bar mechanism; 501. slide bar fixing plate; 502. slide bar; 6. moving frame mechanism; 601. second electric telescopic rod; 602. moving frame; 7. rotation limiting mechanism; 701. first rotating shaft; 702. rotation frame; 703. third electric telescopic rod; 704. limiting plate; 705. second motor; 8. support plate mechanism; 801. fourth electric telescopic rod; 802. support plate. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0019] It should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0020] Example 1

[0021] See also Figure 1-Figure 3 A friction coefficient tester for a protective film comprises a tester 1, a supporting leg 2 is provided at the bottom of the tester 1, a position adjustment mechanism 3 is provided on the tester 1, a detection head mechanism 4 is provided on the position adjustment mechanism 3, a slide bar mechanism 5 is provided on the tester 1, two moving frame mechanisms 6 are provided on the slide bar mechanism 5, a rotation limiting mechanism 7 is provided on the moving frame mechanism 6, and a supporting plate mechanism 8 is provided on the tester 1; the position adjustment mechanism 3 is used to adjust the position of the detection head mechanism 4, the moving frame mechanism 6 is used to limit the slide bar mechanism 5, and the rotation limiting mechanism 7 is used to limit the end of the protective film.

[0022] The position adjustment mechanism 3 includes a mounting frame 301 fixed on the detector 1, a first motor 302 is provided on the mounting frame 301, an output shaft of the first motor 302 is fixedly connected to a threaded rod 303, the threaded rod 303 and the mounting frame 301 are rotatably connected, the threaded rod 303 is threadedly connected to a position adjustment block 304, and the position adjustment block 304 and the mounting frame 301 are slidably connected. The detection head mechanism 4 includes a first electric telescopic rod 401 fixed to the bottom of the position adjustment block 304, and the bottom of the first electric telescopic rod 401 is fixedly connected to the detection head 402.

[0023] Specifically, the first electric telescopic rod 401 is turned on, thereby driving the detection head 402 to descend, so that the detection head 402 contacts the protective film. At this time, the first motor 302 is turned on, and the output shaft of the first motor 302 rotates to drive the threaded rod 303 to rotate, thereby driving the position adjustment block 304 to move, thereby driving the detection head 402 to move, so as to detect the friction coefficient of the protective film.

[0024] The slide bar mechanism 5 includes two slide bar fixing plates 501 fixed on the detector 1, and the slide bar 502 is fixedly connected between the slide bar fixing plates 501. The moving frame mechanism 6 includes a second electric telescopic rod 601 fixed on the side of the slide bar fixing plate 501, the second electric telescopic rod 601 is fixedly connected to the moving frame 602, and the slide bar 502 passes through the moving frame 602 and is slidably connected to the moving frame 602. The rotation limiting mechanism 7 includes a first rotating shaft 701 rotatably connected to the moving frame 602, two first rotating shafts 701 are provided, and the first rotating shafts 701 are symmetrically arranged on the moving frame 602, the first rotating shaft 701 is fixedly connected to the rotating frame 702, the rotating frame 702 is fixedly connected with the third electric telescopic rod 703, the third electric telescopic rod 703 is fixedly connected to the limiting plate 704, the limiting plate 704 and the rotating frame 702 are slidably connected, and the moving frame 602 is provided with a second motor 705, and the output shaft of the second motor 705 is coaxially fixedly connected to one of the first rotating shafts 701.

[0025] Specifically, turning on the second electric telescopic rod 601 can make the movable frame 602 move along the sliding rod 502, so as to adjust the distance between the two movable frames 602. At this time, the protective film to be detected is limited, so that the protective film is placed between the rotating frame 702 and the limiting plate 704. At this time, turning on the third electric telescopic rod 703 makes the limiting plate 704 press against the protective film to limit the protective film. Turning on the second motor 705 can drive the first rotating shaft 701 to rotate, and then drive the rotating frame 702 to rotate, so as to complete the coordination and winding limiting of the protective film.

[0026] Example 2

[0027] Continue reading Figure 1-Figure 3 In the embodiment of the utility model, the support plate mechanism 8 includes a fourth electric telescopic rod 801 fixed on the detector 1 , and one end of the fourth electric telescopic rod 801 away from the detector 1 is fixedly connected to the support plate 802 .

[0028] During the implementation of the utility model, the position of the movable frame mechanism 6 is first adjusted according to the size of the protective film to be detected. At this time, the two ends of the protective film are limited by the rotating limit mechanism 7. At this time, opening the position adjustment mechanism 3 can drive the detection head mechanism 4 to move, so as to detect the friction coefficient of the protective film, and cooperate with the support plate mechanism 8 to support the bottom of the protective film.

[0029] The utility model can adjust the position of the detection head mechanism 4 by setting a position adjustment mechanism 3, can detect the friction coefficient of the protective film through the detection head mechanism 4, can limit the moving path of the moving frame mechanism 6 through the sliding rod mechanism 5, can limit the end of the protective film through the rotation limiting mechanism 7, and the support plate mechanism 8 is used to support the protective film, thereby improving the efficiency of measuring the friction coefficient of the protective film.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A friction coefficient tester for a protective film, comprising a detector, characterized in that: The bottom of the detector is provided with supporting legs, the detector is provided with a position adjustment mechanism, the position adjustment mechanism is provided with a detection head mechanism, the detector is provided with a slide bar mechanism, the slide bar mechanism is provided with two moving frame mechanisms, the moving frame mechanism is provided with a rotation limiting mechanism, and the detector is provided with a supporting plate mechanism; the position adjustment mechanism is used to adjust the position of the detection head mechanism, the moving frame mechanism is used to limit the slide bar mechanism, and the rotation limiting mechanism is used to limit the end of the protective film.

2. The friction coefficient tester for protective film according to claim 1, characterized in that: The position adjustment mechanism includes a mounting frame fixed on the detector, a first motor is arranged on the mounting frame, an output shaft of the first motor is fixedly connected to a threaded rod, the threaded rod is rotationally connected to the mounting frame, the threaded rod is threadedly connected to a position adjustment block, and the position adjustment block is slidingly connected to the mounting frame.

3. The friction coefficient tester for protective film according to claim 2, characterized in that: The detection head mechanism comprises a first electric telescopic rod fixed to the bottom of the position adjustment block, and the bottom of the first electric telescopic rod is fixedly connected to the detection head.

4. The friction coefficient tester for protective film according to claim 1, characterized in that: The slide bar mechanism comprises two slide bar fixing plates fixed on the detector, and the slide bar is fixedly connected between the slide bar fixing plates.

5. The friction coefficient tester for protective film according to claim 4, characterized in that: The moving frame mechanism comprises a second electric telescopic rod fixed to the side of the slide rod fixing plate, the second electric telescopic rod is fixedly connected to the moving frame, and the slide rod passes through the moving frame and is slidably connected to the moving frame.

6. The friction coefficient tester for protective film according to claim 5, characterized in that: The rotation limiting mechanism includes a first rotating shaft rotatably connected to the moving frame, two first rotating shafts are provided, and the first rotating shafts are symmetrically arranged on the moving frame, the first rotating shaft is fixedly connected to the rotating frame, the third electric telescopic rod is fixedly connected to the rotating frame, the third electric telescopic rod is fixedly connected to the limiting plate, the limiting plate and the rotating frame are slidably connected, the moving frame is provided with a second motor, and the output shaft of the second motor is coaxially fixedly connected to one of the first rotating shafts.

7. The friction coefficient tester for protective film according to claim 1, characterized in that: The support plate mechanism comprises a fourth electric telescopic rod fixed on the detector, and one end of the fourth electric telescopic rod away from the detector is fixedly connected to the support plate.

Images