CN210792399U

CN210792399U - Angle-adjustable substrate-variable film peeling experimental device

Info

Publication number: CN210792399U
Application number: CN201921337739.6U
Authority: CN
Inventors: 钱劲; 谢宇; 林骥; 刘丰睿
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-06-19
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses an angle-adjustable base-variable film peeling experimental device, which belongs to the technical field of material performance detection and comprises a base, a substrate for placing a film and a sliding plate for driving the substrate to horizontally move, wherein the sliding plate is provided with two relatively arranged brackets, a rotatable plate sleeve is arranged between the two brackets, the substrate is fixed on the plate sleeve, the brackets are provided with arc-shaped rails, and the arc-shaped rails are provided with locking mechanisms for positioning the plate sleeve; scales are arranged above the arc-shaped track of at least one of the two brackets; the relative both sides of base are equipped with dislocation arrangement's bearing from top to bottom, and the side card of slide is between the bearing of dislocation. In the experimentation, can set up a plurality of angles and measure the characteristic of film for measuring range is wider, because the friction between bearing and the slide is less, does not influence the smooth slip of slide, need not extra drive and makes the change of film position when the base plate removes in order to adapt to anchor clamps and shift up.

Description

Angle-adjustable substrate-variable film peeling experimental device

Technical Field

The utility model relates to a material property detects technical field, and specifically speaking relates to an adjustable angle becomes film of basement and peels off experimental apparatus.

Background

Optical films are a class of optical media materials that are composed of thin layered media that propagate a light beam through an interface. The application of optical films began in the 30's of the 20 th century. Optical films have been widely used in the optical and optoelectronic arts to manufacture a variety of optical instruments.

In optical film's production process, need peel off the experiment to it to come verification optical film's peel strength, when peeling off the experiment to optical film, often do not have integrated equipment to detect, very inconvenient people's work has reduced people's work efficiency, generally peel off the experiment to optical film simultaneously, often hardly fix optical film, the going on of inconvenient experiment.

The peeling test is usually performed by a peeling apparatus in cooperation with a material testing machine, and a conventional film peeling apparatus is shown in fig. 1 and includes a slidable substrate 01, a material clamping jig 02, a force displacement sensor 03, a cantilever 04, a winding post 05, a pulley 06, a slide rail 07, and a base 08. The base 08 is fixed on a material testing machine platform by screws, the film-shaped material is attached to the substrate 01, one end of the film-shaped material is clamped by a clamp 02, and the film-shaped material is peeled from the base by the traction of a force displacement sensor 03 fixed on a machine frame. The clamp 02 is composed of a collet 021, a jaw moving knob 022, a locking knob 023 and a bolt 024. The substrate 01 is composed of a sliding flat plate 011 and a wire inserting bolt 012, and is pulled by a nylon wire 013 to pass through a winding post 05 and a pulley 06 to be connected with a cantilever 04, so that the vertical displacement of the material is consistent with the horizontal displacement of the substrate 01. The cantilever is connected to the frame by a screw 041, and a lockable pulley 042 is provided at one end thereof for adjusting the length of the nylon wire 013. One end of the substrate 01 translated by the slide rail 07 is connected to the cantilever 04 by passing a nylon wire 013 around the pulley 06 to make the vertical displacement amount of the film coincide with the horizontal displacement amount of the substrate 01, thereby vertically peeling the film from the substrate 01.

The main defects of the existing stripping device are as follows: the test condition is single, the peeling of the vertical 90 degrees can be ensured, the rest angles are not suitable, and the angles are unstable and insensitive in the peeling process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adjustable angle becomes film of basement and peels off experimental apparatus is applicable to the experiment of peeling off of multiple angle, stable in structure, the operation of being convenient for.

In order to achieve the purpose, the angle-adjustable substrate-variable film peeling experimental device provided by the invention comprises a base, a substrate for placing a film and a sliding plate for driving the substrate to horizontally move, wherein the sliding plate is provided with two oppositely arranged supports, a rotatable plate sleeve is arranged between the two supports, the substrate is fixed on the plate sleeve, the supports are provided with arc-shaped rails, and the arc-shaped rails are provided with locking mechanisms for positioning the plate sleeve; scales are arranged above the arc-shaped track of at least one of the two brackets; the relative both sides of base are equipped with dislocation arrangement's bearing from top to bottom, and the side card of slide is between the bearing of dislocation.

Among the above-mentioned technical scheme, through the bearing support slide as arranging, when peeling off the experiment, place whole experimental apparatus in the below of material testing machine's anchor clamps, set for the scale on an angle alignment support, make the board cover rotate certain angle, the inclination of base plate promptly. The film is attached to the base plate, the clamp clamps the edge of the film and moves upwards at the same time, and the base plate is dragged in the process that the clamp moves upwards, so that the sliding plate slides on the bearing. In the experimentation, can set up a plurality of angles and measure the characteristic of film for measuring range is wider, because the friction between bearing and the slide is less, does not influence the smooth slip of slide, need not extra drive and makes the change of film position when the base plate removes in order to adapt to anchor clamps and shift up.

In order to facilitate the installation, make things convenient for the rotation of board cover simultaneously, as the preferred, the both sides of board cover be equipped with the rotatory complex pivot of support, be equipped with the spout that is used for placing the base plate on the board cover, the base plate is fixed in the spout.

In order to obtain the thin film characteristics under different experimental conditions, the substrate preferably comprises a plurality of substrates with different roughness, and is fixed with the plate sleeve through screws.

Preferably, the locking mechanism comprises a bolt which penetrates through the arc-shaped track and one side of the plate sleeve simultaneously, and a nut matched with the bolt is correspondingly arranged.

Preferably, the board cover is provided with a scale needle at one side of the bracket provided with scales.

In order to reduce the weight of the slide plate and to make the slide plate slide on the bearing more smoothly, the slide plate is preferably a frame-shaped hollow out.

In order to make the slide plate more stable, as preferred, the relative both sides of base are equipped with three bearings of dislocation arrangement from top to bottom, and two bearings that wherein are on the top are located same water flat line, and one bearing that is on the bottom is located between two bearings on the top.

Compared with the prior art, the invention has the beneficial effects that:

the utility model discloses an adjustable angle becomes film of basement and peels off experimental apparatus stable in structure, easy operation can realize the film peeling test under the multiple angle, need not the displacement change of other power drive films on the horizontal direction simultaneously.

Drawings

FIG. 1 is a schematic structural diagram of a prior art film peeling apparatus of the present invention;

FIG. 2 is a schematic structural diagram of an experimental apparatus for thin film peeling in an embodiment of the present invention;

FIG. 3 is a schematic view of the installation of the plate sleeve and the bracket according to the embodiment of the present invention;

FIG. 4 is a front view of an experimental apparatus for peeling off a thin film according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a substrate according to an embodiment of the present invention, in which (a), (b), and (c) respectively represent substrates with different roughness.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described below with reference to the following embodiments and accompanying drawings.

Examples

Referring to fig. 2 to 4, the experimental apparatus for peeling off a thin film with an adjustable angle and a variable substrate of the present embodiment includes a substrate 1, a plate sleeve 2, a bracket 3, a bearing 4, a sliding plate 5 and a base 6. The whole device is placed below the clamp 02, and the clamp 02 is connected to the bottom of the force displacement sensor 03 of the material testing machine. The base 6 passes through the fix with screw on the material testing machine platform, and the base 6 includes the backup pad of two L types that the symmetry set up, is equipped with three bearing 4 of dislocation arrangement from top to bottom respectively in the opposite side of two backup pads, and is fixed through the fixed axle installation, and wherein two bearings on the house are located same water flat line, and a bearing under is located between two bearings on the house.

The three bearings 4 support and limit the sliding of the sliding plate 5 in the horizontal direction, and the friction between the bearings 4 and the sliding plate 5 is small. The slide 5 fretwork is handled, does benefit to and reduces friction and subtracts the material, and the both sides are distributing the drilling of symmetry for installing support 3. The bracket 3 is matched with the plate sleeve 2 through a bearing 32. The two sides of the plate sleeve 2 are provided with rotating shafts for fixing the bearings 32, and the outer rings of the bearings 32 are matched with the shaft sleeves of the bracket 3. The plate sleeve 2 is provided with a sliding groove for placing the substrate 1, and the substrate 1 is fixed in the sliding groove through screws.

Two opposite supports 3 are arranged on the sliding plate 5, an arc-shaped track is arranged on the supports 3, and a locking mechanism for positioning the plate sleeve 2 is arranged on the arc-shaped track. The two supports have scales 31 above the arc-shaped tracks. The bracket 3 is provided with a screw hole for fixing with the sliding plate 5, and the side surface of the bracket is provided with an angle marking needle 21 matched with the scale 31, so that the angle can be read.

The locking mechanism of the embodiment comprises a bolt 34 which penetrates through the arc-shaped track and one side of the plate sleeve 2 at the same time, and a nut 22 which is matched with the bolt 34 is correspondingly arranged. After the bolt 34 is inserted into the arc-shaped track, the bolt passes through the plate sleeve hole and is screwed by the nut 22, and a thick gasket 33 is sleeved on the bolt 34 so as to obtain larger pretightening force.

Claims

1. The utility model provides an adjustable angle becomes film of basement and peels off experimental apparatus, includes the base, is used for placing the base plate of film and drives base plate horizontal migration's slide, its characterized in that:

the sliding plate is provided with two opposite supports, a rotatable plate sleeve is arranged between the two supports, the base plate is fixed on the plate sleeve, the supports are provided with arc-shaped rails, and the arc-shaped rails are provided with locking mechanisms for positioning the plate sleeve; scales are arranged above the arc-shaped track of at least one of the two brackets;

the relative both sides of base are equipped with the bearing of dislocation arrangement from top to bottom, the side card of slide is between the bearing of dislocation.

2. The experimental apparatus for peeling off film with adjustable angle and changeable base according to claim 1, wherein two sides of the plate sleeve are provided with rotating shafts which are rotatably matched with the bracket, the plate sleeve is provided with a sliding groove for placing the substrate, and the substrate is fixed in the sliding groove.

3. The experimental apparatus for peeling off film with adjustable angle and variable base of claim 2, wherein the substrate comprises a plurality of substrates with different roughness, and is fixed with the plate sleeve by screws.

4. The experimental apparatus for stripping angle-adjustable and substrate-variable thin films as claimed in claim 1, wherein the locking mechanism comprises a bolt passing through the arc-shaped rail and one side of the plate sleeve simultaneously, and a nut engaged with the bolt is correspondingly provided.

5. The experimental apparatus for stripping thin films with adjustable angle and variable substrates of claim 1, wherein the plate sleeve is provided with a graduated needle at one side of the bracket provided with the graduation.

6. The experimental apparatus for peeling off thin film with adjustable angle and changeable substrate of claim 1, wherein the sliding plate is frame-shaped with hollow-out structure.

7. The experimental apparatus for peeling off thin film with adjustable angle and changeable substrate according to claim 1, wherein the two opposite sides of the base are provided with three bearings which are arranged in a staggered manner, wherein the upper two bearings are arranged on the same horizontal line, and the lower one bearing is arranged between the upper two bearings.