Cover plate glass edge strength testing device

Abstract

The utility model provides a cover plate glass edge strength testing device, and relates to the technical field of cover plate glass testing devices. The embodiment of the utility model provides a cover plate glass edge strength testing device, which comprises a placing piece, which is provided with a working surface used for placing to-be-tested cover plate glass; the guide piece is obliquely arranged on one side of the placement piece, and a test ball capable of moving along the surface of the guide piece is arranged on the guide piece; the adjusting assembly and the guiding piece are arranged on the adjusting assembly, the included angle between the plane where the guiding piece is located and the working face can be adjusted through the adjusting assembly so as to adjust the impact force of the testing ball, and the height of the lower end of the guiding piece relative to the working face in the vertical direction can be adjusted so as to adjust the testing ball to make contact with different height positions of the edge of the cover plate glass.

Description

Technical Field

[0001] The present application relates to the technical field of cover glass testing devices, and in particular to a cover glass edge strength testing device. Background Art

[0002] The existing technology usually divides cover glass into various forms such as 2D and 2.5D. The production method is to cut the glass substrate and process it through a series of processes such as fine carving, light hole, and strengthening to make products of various specifications and models. When testing the strength of the cover glass surface, the industry usually uses a steel ball of a specified weight to simulate free fall motion at a specified height to perform an impact test on the front surface of the cover glass, so as to test the impact resistance of the cover glass surface.

[0003] Prior art, such as the Chinese patent application document with application number CN201420842926.0, discloses an impact tester for tempered glass film, which includes a base, which serves as a carrier of the entire tester and is stably placed on a horizontal plane; a measuring tube, which is arranged perpendicular to the base; a fixing frame, which can adjustably fix the measuring tube above the base; an impact ball is arranged in the measuring tube, which can freely fall along the measuring tube to the base, and a traction device is arranged on the impact ball. However, it cannot test the edge position of the cover glass. Utility Model Content

[0004] A technical problem to be solved by the present application is that the prior art lacks a device for quantitatively testing the impact resistance of the edge position of the cover glass.

[0005] In order to solve the above technical problems, an embodiment of the present application provides a cover glass edge strength testing device, comprising: a placing piece, having a working surface for placing the cover glass to be tested; a guiding piece, which is obliquely arranged on one side of the placing piece, and a test ball that can move along the surface of the guiding piece is arranged on the guiding piece; an adjusting component, the guiding piece is arranged on the adjusting component, and the angle between the plane where the guiding piece is located and the working surface can be adjusted by the adjusting component to adjust the impact force of the test ball, and the height of the lower end of the guiding piece relative to the working surface in the vertical direction can be adjusted to adjust the contact between the test ball and the edge of the cover glass at different heights.

[0006] In some embodiments, the adjustment component includes a base, an adjustment arm, and a fixed plate; the base is arranged on one side of the placement member, the first end of the adjustment arm is hinged to the fixed plate, the second end of the adjustment arm is connected to the base, and the guide is arranged on the fixed plate. The base supports the adjustment component, and the adjustment arm is hinged to the fixed plate. When the angle between the guide and the working surface needs to be adjusted, an external force is applied to the fixed plate to rotate it around the hinged end with the adjustment arm, and the adjustment is simple, convenient and quick.

[0007] In some embodiments, the second end of the adjustment arm is hinged to the base. The adjustment arm is hinged to the base, and when the adjustment arm rotates around the hinged end with the base, the position of the first end of the adjustment arm in space is adjustable, thereby increasing the freedom of the guide member, and when the position of the cover glass is fixed, the angle between the guide member and the cover glass can be adjusted by adjusting the fixing plate alone. By cooperating with the fixing plate and the adjustment arm, the height adjustment of the lower end of the guide member can be achieved, so as to change the different heights at which the test ball can hit the cover glass.

[0008] In some embodiments, the structures in which the adjustment arm is respectively hinged to the base and the fixing plate are damping hinges. By setting the hinge structure as a damping hinge, it is convenient to manually adjust the position of the guide member, thereby improving the efficiency of adjusting the position of the guide member.

[0009] In some embodiments, the fixing plate is detachably connected to the guide member. By detachably connecting the fixing plate to the guide member, it is convenient to replace different guide members to adapt to test balls of different diameters.

[0010] In some embodiments, the guide member has a guide groove, and the test ball is located in the guide groove and can move along the extension direction of the guide groove. By providing the guide groove, the moving path of the test ball is limited and guided, so that the test ball can collide with the same position of the cover glass during repeated tests, thereby improving the test accuracy.

[0011] In some embodiments, the placement member includes a support rod and a placement plate, the upper end surface of the placement plate is a working surface, the placement plate has a negative pressure cavity inside, the working surface is provided with a plurality of negative pressure holes connected to the negative pressure cavity, and the negative pressure cavity is connected to a negative pressure fan. Through the negative pressure fan, the negative pressure cavity and the negative pressure holes, it is convenient to adsorb the cover glass on the working surface by negative pressure adsorption, which not only fixes the cover glass, but also facilitates the removal of the cover glass after the test is completed.

[0012] In some embodiments, all negative pressure holes are evenly spaced so that when the cover glass is adsorbed by negative pressure, the cover glass is subjected to balanced force.

[0013] In some embodiments, the support rod is a telescopic cylinder, so that the height position of the working surface is adjustable, so that different height positions of the cover glass can be quickly changed to contact the test ball.

[0014] In some embodiments, the telescopic cylinder is an oil cylinder or a pneumatic cylinder.

[0015] Through the above technical solution, the cover glass edge strength testing device provided by the present application has at least the following beneficial effects:

[0016] By arranging an adjustment component at the lower end of the guide member, the angle between the plane where the guide member is located and the working surface can be adjusted, and the height of the lower end of the guide member relative to the working surface in the vertical direction can be adjusted; thereby, when the test ball slides downward from the same position on the guide member, its impact force is different, so as to test the impact resistance of the edge of the cover glass according to different impact forces; the test ball can contact different height positions of the edge of the cover glass, can adapt to cover glasses of different thicknesses, and can also perform impact resistance tests on cover glasses of the same thickness at different height positions, so as to facilitate the acquisition of a variety of test data and improve the test range of the cover glass. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 is a schematic diagram of the structure of the test device disclosed in the embodiment of the present application;

[0019] Figure 2 It is a partial enlarged schematic diagram when the test ball hits the edge of the cover glass.

[0020] Description of reference numerals:

[0021] 10. Placement member; 11. Placement plate; 111. Negative pressure chamber; 112. Negative pressure hole; 12. Support rod; 20. Cover glass; 30. Test ball; 40. Base; 50. Adjustment arm; 51. First end; 52. Second end; 60. Fixing plate; 70. Guide member. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation methods of the present application in conjunction with the accompanying drawings and examples. The detailed descriptions of the following examples and the accompanying drawings are used to exemplarily illustrate the principles of the present application, but cannot be used to limit the scope of the present application. The present application can be implemented in many different forms and is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

[0023] The present application provides these embodiments to make the present application thorough and complete, and to fully express the scope of the present application to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary, and not as limiting.

[0024] It should be noted that, in the description of this application, unless otherwise specified, the meaning of "multiple" is greater than or equal to two; the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicating the orientation or positional relationship, are only for the convenience of describing this application 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 this application. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0025] In addition, the words "first", "second" and similar words used in this application do not indicate any order, quantity or importance, but are only used to distinguish different parts. "Vertical" does not mean vertical in the strict sense, but is within the tolerance range. "Parallel" does not mean parallel in the strict sense, but is within the tolerance range. "Include" or "comprising" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements.

[0026] It should also be noted that in the description of this application, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances. When a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device.

[0027] All terms used in this application have the same meaning as those understood by those of ordinary skill in the art to which this application belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries, such as general dictionaries, should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined herein.

[0028] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0029] Figure 1 is a schematic diagram of the structure of the test device disclosed in the embodiment of the present application, Figure 1 α in is the angle between the guide and the horizontal plane; Figure 2 It is a partial enlarged schematic diagram when the test ball hits the edge of the cover glass.

[0030] The embodiment of the present application provides a cover glass edge strength testing device, including a placement piece 10, a guide piece 70 and an adjustment assembly. The placement piece 10 has a working surface for placing the cover glass 20 to be tested. The guide piece 70 is obliquely arranged on one side of the placement piece 10, and a test ball 30 capable of moving along the surface of the guide piece 70 is arranged on the guide piece 70. The guide piece 70 is arranged on the adjustment assembly, and the angle between the plane where the guide piece 70 is located and the working surface can be adjusted by the adjustment assembly to adjust the impact force of the test ball 30, and the height of the lower end of the guide piece 70 relative to the working surface in the vertical direction can be adjusted to adjust the test ball 30 to contact with different height positions of the edge of the cover glass 20.

[0031] By setting an adjustment component at the lower end of the guide 70, the angle between the plane where the guide 70 is located and the working surface can be adjusted, and the height of the lower end of the guide 70 relative to the working surface in the vertical direction can be adjusted; thereby, when the test ball 30 slides downward from the same position on the guide 70, the impact force thereof is different, so as to test the impact resistance of the edge of the cover glass 20 according to different impact forces; the test ball 30 can contact different height positions of the edge of the cover glass 20, can adapt to cover glasses 20 of different thicknesses, and can also perform impact resistance tests on cover glasses 20 of the same thickness at different height positions, so as to facilitate the acquisition of a variety of test data and improve the test range of the cover glass 20. Compared with the prior art, by visually observing whether the edge of the cover glass 20 has unfavorable conditions such as edge collapse, the present embodiment uses the test ball 30 to hit the edge of the cover glass 20, so as to quantitatively obtain the impact resistance of the edge of the cover glass 20.

[0032] Specifically, the placement member 10 and the guide member 70 are independently arranged side by side. Before the impact test is performed on the edge of the cover glass 20 by the test ball 30, the cover glass 20 needs to be fixed on the working surface of the placement member 10 to ensure that the glass cover will not move arbitrarily when the impact test is performed on the cover glass 20 by the test ball 30. For example, when the glass cover is square, three limit bars can be set on the working surface, two of which are arranged parallel to each other, and the third limit bar is perpendicular to the other two limit bars, and the other two limit bars are connected. The three limit bars are in contact with the three side walls of the cover glass 20 respectively, and the glass ball is located on the side of the cover glass 20 where the limit bar is not set. Negative pressure adsorption can also be set under the working surface to adsorb the cover glass 20. The test ball 30 can be a steel ball. The test ball 30 moves on the surface of the guide member 70, converting the gravitational potential energy into kinetic energy to achieve impact on the edge position of the cover glass 20.

[0033] In some embodiments, a cover glass edge strength testing device of this embodiment provides a specific structure of an adjustment component. In this embodiment, the adjustment component includes a base 40, an adjustment arm 50 and a fixed plate 60; the base 40 is arranged on one side of the placement member 10, the first end 51 of the adjustment arm 50 is hinged to the fixed plate 60, the second end 52 of the adjustment arm 50 is connected to the base 40, and the guide member 70 is arranged on the fixed plate 60. The base 40 supports the adjustment component, and the adjustment arm 50 is hinged to the fixed plate 60. When the angle between the guide member 70 and the working surface needs to be adjusted, an external force is applied to the fixed plate 60 to rotate it around the hinged end with the adjustment arm 50, and the adjustment is simple, convenient and fast.

[0034] Specifically, the adjusting arm 50 is hinged to one end of the fixing plate 60, and the adjusting arm 50 and the fixing plate 60 are rotatably connected by a hinge shaft, and the adjusting arm 50 and the fixing plate 60 can rotate relative to each other around the axis of the hinge shaft. An angle scale is provided on one of the components of the adjusting arm 50 and the fixing plate 60, and a pointer for cooperating with the angle scale is provided on the other component, so as to intuitively obtain the size of the angle between the adjusting arm 50 and the fixing plate 60, and to facilitate manual adjustment of the angle between the coplanar surfaces of the fixing plate 60, so as to intuitively know the size of the adjusted angle.

[0035] In some embodiments, the second end 52 of the adjustment arm 50 is hinged to the base 40. The adjustment arm 50 is hinged to the base 40, and when the adjustment arm 50 rotates around the hinged end with the base 40, the position of the first end 51 of the adjustment arm 50 in space is adjustable, thereby increasing the degree of freedom of the guide member 70, so that the position of the cover glass 20 is fixed, and the angle between the guide member 70 and the cover glass 20 can be adjusted by adjusting the fixing plate 60 alone. Through the cooperation of the fixing plate 60 and the adjustment arm 50, the height adjustment of the lower end of the guide member 70 can be achieved, so as to change the different heights at which the test ball 30 can hit the cover glass 20.

[0036] Specifically, the two ends of the adjustment arm 50 are respectively hinged with the base 40 and the fixing plate 60 in the same structure. A slide rail is arranged on the periphery of the placement member 10, and a slide groove cooperating with the slide rail is arranged at the lower end of the base 40, so as to change the relative position of the guide member 70 with respect to the cover glass 20 through the base 40. For example, when the cover glass 20 is circular, the slide rail is distributed in a ring shape on the periphery of the placement member 10, and the guide member 70 is located on the radial extension line of the cover glass 20. By adjusting the position of the base 40 on the slide rail, the guide member 70 can be located at different positions on the outside of the cover glass 20, so that the test ball 30 can collide with the cover glass 20 at different positions on the horizontal plane, so that more comparative experimental data can be obtained, which is convenient for improving the test accuracy.

[0037] In some embodiments, the structures in which the adjustment arm 50 is respectively hinged to the base 40 and the fixing plate 60 are damping hinges. By setting the hinge structure as a damping hinge, it is convenient to manually adjust the position of the guide member 70, thereby improving the efficiency of position adjustment of the guide member 70.

[0038] In some embodiments, the fixing plate 60 is detachably connected to the guide member 70. By detachably connecting the fixing plate 60 to the guide member 70, it is convenient to replace different guide members 70 to adapt to the test balls 30 of different diameters.

[0039] Specifically, the fixing plate 60 and the guide member 70 may be detachably connected by a bolt assembly, Velcro, or double-sided tape.

[0040] In some embodiments, the guide member 70 has a guide groove, and the test ball 30 is located in the guide groove and can move along the extension direction of the guide groove. By providing the guide groove, the moving path of the test ball 30 is limited and guided, and when the test is repeated for many times, the test ball 30 can collide with the same position of the cover glass 20, thereby improving the test accuracy.

[0041] Specifically, the guide groove can be an arc groove machined on the surface of the guide member 70. A V-shaped groove can also be formed by the cooperation of two side guard plates. The V-shaped groove has a wider application range and can adapt to test balls 30 of different diameters. It is ensured that when the test ball 30 is repeatedly dropped, it can collide with the cover glass 20 from the fixed position of the guide member 70, thereby improving the accuracy of repeated tests. Further, the two side guard plates are parallel to each other, and a plurality of mutually parallel limiting grooves are arranged on the surface of the guide member 70. Limiting blocks corresponding to the limiting grooves are arranged at the lower ends of the two side guard plates, so that the spacing between the two side guard plates is adjustable to adapt to test balls 30 of different diameters. The limiting grooves and limiting blocks can make the two side guard plates always parallel to each other, so as to ensure that the spacing of the guide grooves along their extension direction is the same everywhere, and ensure that the test ball 30 can roll smoothly on the guide grooves. An adjustment block can be arranged on the outside of the two side guard plates, and an adjustment rod is threadedly connected to the adjustment block. The adjustment rod abuts against the side guard plates to achieve the position fixation of the side guard plates.

[0042] In some embodiments, the placement member 10 includes a support rod 12 and a placement plate 11. The upper end surface of the placement plate 11 is a working surface. The placement plate 11 has a negative pressure cavity 111 inside. The working surface is provided with a plurality of negative pressure holes 112 connected to the negative pressure cavity 111. The negative pressure cavity 111 is connected to a negative pressure fan. Through the negative pressure fan, the negative pressure cavity 111 and the negative pressure holes 112, it is convenient to adsorb the cover glass 20 on the working surface by negative pressure adsorption, which fixes the cover glass 20 and facilitates the removal of the cover glass 20 after the test is completed.

[0043] Specifically, the cover glass 20 is adsorbed and fixed by negative pressure adsorption, so as to avoid damage to the cover glass 20 when clamping the cover glass 20. It is also convenient to quickly release the fixation of the cover glass 20 after the test is completed, so that the cover glass 20 can be quickly removed from the work surface.

[0044] In some embodiments, all negative pressure holes 112 are evenly distributed so that when the cover glass 20 is adsorbed by negative pressure, the cover glass 20 is subjected to balanced force.

[0045] In some embodiments, the support rod 12 is a telescopic cylinder, so that the height position of the working surface is adjustable, so that the different height positions of the cover glass 20 can be quickly changed to contact the test ball 30.

[0046] Specifically, refer to Figure 2 The edge of the cover glass 20 is provided with a chamfered structure, that is, the edge of the cover glass 20 includes an inclined surface and a vertical surface. By changing the height of the lower end of the guide 70 in the vertical direction, the test ball 30 located on the surface of the guide 70 can contact different height positions of the edge of the cover glass 20, that is, it can collide with the vertical surface or the inclined surface, or the excessive angle position between the vertical surface and the inclined surface.

[0047] In some embodiments, the telescopic cylinder is an oil cylinder or a pneumatic cylinder.

[0048] When testing the strength of the edge of the cover glass 20 , a plurality of test balls 30 of different masses may be used to impact the cover glass 20 .

[0049] The drop ball impact verification data is as follows:

[0050]

[0051] The angle between the guide and the horizontal plane is 22.5°. The weight of the ball refers to the actual weight of the test ball. The plane distance refers to the horizontal distance between the initial position of the test ball on the guide and the lower end of the guide. A steel ruler can be used to mark at 50mm, 120mm, and 180mm for easy height fixation and identification. The chamfer and value side refer to the attached Figure 2 The inclined surface of the cover glass in the figure is the chamfered edge, and the vertical surface is the value side edge; the "√" in the table indicates that there is no edge collapse after the test ball hits the edge of the cover glass, and the "×" in the table indicates that there is edge collapse after the test ball hits the edge of the cover glass.

[0052] So far, various embodiments of the present application have been described in detail. In order to avoid obscuring the concept of the present application, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed herein.

[0053] Although some specific embodiments of the present application have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present application. It should be understood by those skilled in the art that the above embodiments may be modified or some technical features may be replaced by equivalents without departing from the scope and spirit of the present application. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict.

Claims

1. A cover glass edge strength testing device, characterized in that: include: A placement member (10) having a working surface for placing a cover glass (20) to be tested; A guide member (70) is arranged obliquely on one side of the placement member (10), and a test ball (30) is arranged on the guide member (70) and is movable along the surface of the guide member (70); An adjustment component, wherein the guide member (70) is arranged on the adjustment component, and the angle between the plane where the guide member (70) is located and the working surface can be adjusted by the adjustment component to adjust the impact force of the test ball (30), and the height of the lower end of the guide member (70) relative to the working surface in the vertical direction can be adjusted to adjust the contact position of the test ball (30) with the edge of the cover glass (20) at different heights.

2. The cover glass edge strength testing device according to claim 1, characterized in that: The adjustment assembly comprises a base (40), an adjustment arm (50) and a fixing plate (60); The base (40) is arranged on one side of the placement member (10), the first end (51) of the adjustment arm (50) is hinged to the fixing plate (60), the second end (52) of the adjustment arm (50) is connected to the base (40), and the guide member (70) is arranged on the fixing plate (60).

3. The cover glass edge strength testing device according to claim 2, characterized in that: The second end (52) of the adjustment arm (50) is hinged to the base (40).

4. The cover glass edge strength testing device according to claim 3, characterized in that: The structures in which the adjusting arm (50) is respectively hinged to the base (40) and the fixing plate (60) are both damping hinges.

5. The cover glass edge strength testing device according to claim 2, characterized in that: The fixing plate (60) is detachably connected to the guide member (70).

6. The cover glass edge strength testing device according to claim 1, characterized in that: The guide member (70) has a guide groove, and the test ball (30) is located in the guide groove and can move along the extending direction of the guide groove.

7. The cover glass edge strength testing device according to claim 1, characterized in that: The placement member (10) comprises a support rod (12) and a placement plate (11); the upper end surface of the placement plate (11) is the working surface; a negative pressure cavity (111) is provided inside the placement plate (11); the working surface is provided with a plurality of negative pressure holes (112) connected to the negative pressure cavity (111); and the negative pressure cavity (111) is connected to a negative pressure fan.

8. The cover glass edge strength testing device according to claim 7, characterized in that: All of the negative pressure holes (112) are evenly spaced.

9. The cover glass edge strength testing device according to claim 7, characterized in that: The support rod (12) is a telescopic cylinder.

10. The cover glass edge strength testing device according to claim 9, characterized in that: The telescopic cylinder is an oil cylinder or a gas cylinder.

Images