90-degree stripping fixture

Abstract

The utility model discloses a 90-degree stripping fixture, which comprises a back plate, a baffle plate and a plurality of support rollers, the plurality of support rollers are arranged between the back plate and the baffle plate, the support rollers are used for supporting a glass fiber plate and guiding the glass fiber plate to move, an assembly unit is arranged at the center of the top of the back plate, and the assembly unit is used for fixing the back plate on test equipment; according to the 90-degree stripping fixture disclosed by the utility model, the back plate, the baffle plate and the supporting roller are adopted, so that a glass fiber plate to be tested can only horizontally move on the supporting roller along the direction of the back plate and the baffle plate during testing, the stripping angle of glass fiber cloth and a substrate is kept at 90 degrees, and the testing precision is high.

Description

Technical Field

[0001] The utility model relates to a glass fiber board testing technology, in particular to a 90-degree peeling fixture. Background Art

[0002] Fiberglass board, also known as fiberglass board, is generally used for soft base layer, and then covered with cloth, leather, etc. to make beautiful wall and ceiling decoration; it is widely used; it has the characteristics of sound absorption, sound insulation, heat insulation, environmental protection, flame retardancy, etc.

[0003] The fiberglass board needs to be subjected to a 90-degree peel test to detect the bonding performance between the fiberglass cloth and the substrate. However, the existing peel test method is generally that the fiberglass board is directly clamped and fixed to the upper jaw of the test equipment, and the lower jaw clamps the fiberglass cloth. The fiberglass cloth is peeled off by moving the lower jaw downward. However, the positions of the upper and lower jaws are fixed, that is, the substrate cannot move, and the fiberglass cloth is peeled off from one end of the substrate to the other end, resulting in a change in the angle of the fiberglass cloth when peeling, resulting in a large error in the obtained bonding performance data and poor test accuracy. Utility Model Content

[0004] In order to solve the defects of the above-mentioned prior art, the utility model provides a 90-degree peeling fixture, which can make the glass fiber board to be tested move horizontally during the test, ensuring that the peeling angle between the glass fiber cloth and the substrate is maintained at 90 degrees, and the test accuracy is high.

[0005] In order to achieve the above technical objectives, the utility model adopts the following technical solutions: a 90-degree peeling fixture, including a back plate, a baffle and a plurality of support rollers, the plurality of support rollers are arranged between the back plate and the baffle, the support rollers are used to support the fiberglass board and guide the movement of the fiberglass board, an assembly unit is provided at the top center of the back plate, and the assembly unit is used to fix the back plate to the test equipment.

[0006] Preferably, the assembly unit comprises a connecting shaft and a connecting bolt, a pin hole is provided at the top of the connecting shaft, and the connecting bolt passes through the back plate and is threadedly engaged with the bottom end of the connecting shaft.

[0007] Preferably, a threaded portion is provided on the connecting shaft, the threaded portion is located between the pin hole and the connecting bolt, and a locking nut is threadedly matched on the threaded portion.

[0008] Preferably, the supporting roller comprises a main shaft and a round roller, the round roller is sleeved on the main shaft, and bolt parts and knobs are respectively provided at two ends of the main shaft, the bolt part is threadedly matched with a mounting nut, the threaded part passes through the back plate, the mounting nut is used to fix the main shaft to the back plate, the knob is threadedly matched with the main shaft, and the knob is used to fix the back plate to the main shaft.

[0009] Preferably, retaining rings are provided at both ends of the main shaft, and two bearings are provided on the main shaft. The inner rings of the two bearings are respectively fixed to the two retaining rings, and the outer rings of the bearings are fixed to the inner wall of the round roller.

[0010] Preferably, several support rollers are located on the same straight line.

[0011] In summary, the utility model has achieved the following technical effects:

[0012] The 90-degree peeling fixture of the utility model adopts a back plate, a baffle plate and a support roller, so that the glass fiber board to be tested can only move horizontally on the support roller along the direction of the back plate and the baffle plate during the test, ensuring that the peeling angle between the glass fiber cloth and the substrate is maintained at 90 degrees, and the test accuracy is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the 90-degree peeling fixture of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the 90-degree peeling fixture of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the support roller of the 90-degree peeling fixture of the utility model;

[0016] Explanation of the reference numerals in the drawings in the specification: 1. back plate; 2. baffle; 3. support roller; 31. main shaft; 32. bearing; 33. round roller; 34. knob; 35. mounting nut; 4. connecting shaft; 5. locking nut; 6. connecting bolt. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0018] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0020] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0021] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0023] Embodiment 1:

[0024] like Figure 1-2 shows a 90-degree peeling fixture, comprising a back plate 1, a baffle plate 2 and four support rollers 3, wherein the four support rollers 3 are arranged between the back plate 1 and the baffle plate 2, and the support rollers 3 are used to support the fiberglass board and guide the movement of the fiberglass board. An assembly unit is provided at the top center of the back plate 1, and the assembly unit is used to fix the back plate 1 to the test equipment; the four support rollers 3 are located in the same straight line.

[0025] The assembly unit includes a connecting shaft 4 and a connecting bolt 6. A pin hole is provided on the top of the connecting shaft 4. The connecting bolt 6 passes through the back plate 1 and is threadedly engaged with the bottom end of the connecting shaft 4.

[0026] A threaded portion is provided on the connecting shaft 4 , and the threaded portion is located between the pin hole and the connecting bolt 6 , and a locking nut 5 is threadedly matched on the threaded portion.

[0027] like Figure 3 As shown, the support roller 3 includes a main shaft 31 and a round roller, the round roller is sleeved on the main shaft 31, and bolt parts and knobs 34 are respectively provided at both ends of the main shaft 31. The bolt part is threadedly matched with a mounting nut 35, and the threaded part passes through the back plate 1. The mounting nut 35 is used to fix the main shaft 31 to the back plate 1. The knob 34 is threadedly matched with the main shaft 31, and the knob 34 is used to fix the back plate 1 to the main shaft 31.

[0028] Both ends of the main shaft 31 are provided with retaining rings. Two bearings 32 are provided on the main shaft 31. The inner rings of the two bearings 32 are fixed to the two retaining rings respectively, and the outer rings of the bearings 32 are fixed to the inner wall of the round roller.

[0029] Working principle:

[0030] When assembling the fixture, the support roller 3 is mounted on the back plate 1 by means of the mounting nut 35, the baffle 2 and the support roller 3 are fixed by means of the knob 34, and the assembly unit is mounted on the back plate 1 so that the connecting shaft 4 is perpendicular to the straight line where the four support rollers 3 are located, and passes through the assembly unit;

[0031] During the test, first place the glass fiber board to be tested on the support roller 3, with the side bonded with the glass fiber cloth facing the support roller 3, then fix the back plate 1 on the clamp of the test equipment through the assembly unit, and then pass one end of the glass fiber cloth through the two adjacent support rollers 3 located in the center, and clamp it in the lower clamp of the test equipment, finally move the lower clamp downward, and test the bonding performance data between the glass fiber cloth and the substrate through the tension data of the lower clamp.

[0032] The 90-degree peeling fixture of this embodiment adopts a back plate 1, a baffle plate 2 and a support roller 3, so that the fiberglass board to be tested can only move horizontally on the support roller 3 along the direction of the back plate 1 and the baffle plate 2 during the test, ensuring that the peeling angle between the fiberglass cloth and the substrate is maintained at 90 degrees, and the test accuracy is high.

[0033] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A 90 degree peeling fixture, characterized in that: It includes a back plate, a baffle and a plurality of support rollers, wherein the plurality of support rollers are arranged between the back plate and the baffle, the support rollers are used to support the fiberglass board and guide the fiberglass board to move, and an assembly unit is arranged at the top center of the back plate, and the assembly unit is used to fix the back plate to the test equipment.

2. A 90 degree peeling fixture according to claim 1, characterized in that: The assembly unit comprises a connecting shaft and a connecting bolt. A pin hole is arranged on the top of the connecting shaft. The connecting bolt passes through the back plate and is threadedly matched with the bottom end of the connecting shaft.

3. A 90 degree peeling fixture according to claim 2, characterized in that: A threaded portion is provided on the connecting shaft, the threaded portion is located between the pin hole and the connecting bolt, and a locking nut is threadedly matched on the threaded portion.

4. The 90 degree peeling fixture according to claim 3, characterized in that: The supporting roller comprises a main shaft and a round roller, the round roller is sleeved on the main shaft, a bolt portion and a knob are respectively provided at two ends of the main shaft, a mounting nut is threadedly matched on the bolt portion, the threaded portion passes through the back plate, the mounting nut is used to fix the main shaft to the back plate, the knob is threadedly matched with the main shaft, and the knob is used to fix the back plate to the main shaft.

5. The 90 degree peeling fixture according to claim 4, characterized in that: Both ends of the main shaft are provided with retaining rings. Two bearings are provided on the main shaft. The inner rings of the two bearings are respectively fixed to the two retaining rings, and the outer rings of the two bearings are fixed to the inner wall of the round roller.

6. The 90 degree peeling fixture according to claim 1, characterized in that: Several support rollers are located on the same straight line.

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