CN210923431U - Workpiece adhesion force testing assembly - Google Patents

Abstract

The utility model provides a work piece adhesive force test assembly relates to the check out test set field. The method comprises the following steps: the test column comprises a test column, a clamping plate and a substrate, wherein the substrate and the clamping plate are stacked and detachably connected, the substrate and the clamping plate are matched to clamp a workpiece to be tested, and the clamping plate is provided with a test hole matched with the peripheral profile of the test column. The utility model provides a work piece adhesive force test subassembly carries out the centre gripping through base plate and grip block to the work piece that awaits measuring fixedly, only will expose from the test hole with some of test column connection, when having avoided dragging the test column, the part that awaits measuring work piece and test column do not connect takes place deformation, influences the test result.

Description

Workpiece adhesion force testing assembly

Technical Field

The utility model relates to a check out test set field particularly, relates to a work piece adhesive force test assembly.

Background

The pull-open method is a commonly used method for detecting the adhesion between a film layer and a substrate. The specific operation process comprises the steps of fixing the testing column on the surface of the film layer by using the adhesive, waiting for a period of time, and pulling the testing column to the direction far away from the film layer at a certain speed and tension after the fixing is firm, so that the adhesive force between the film layer and the base material is measured. However, this method can only be used for testing a workpiece whose substrate is made of a rigid material, and some workpieces have a film layer and a substrate made of a flexible material (such as a CIGS photovoltaic module).

SUMMERY OF THE UTILITY MODEL

The utility model provides a work piece adhesive force test assembly aims at improving the problem that current pull-open method can't carry out the adhesive force test to flexible material's work piece.

The utility model discloses a realize like this:

a workpiece adhesion test assembly comprising: the test column comprises a test column, a clamping plate and a substrate, wherein the substrate and the clamping plate are stacked and detachably connected, the substrate and the clamping plate are matched to clamp a workpiece to be tested, and the clamping plate is provided with a test hole matched with the peripheral profile of the test column.

Further, in the preferred embodiment of the present invention, one side of the substrate away from the clamping plate is provided with a first pull post, and the first pull post and the test hole are coaxially disposed.

Further, in the preferred embodiment of the present invention, the test device further comprises a clamping sleeve, wherein one end of the clamping sleeve is provided with a clamping hole, the shape of which is matched with the test column, and the other end of the clamping sleeve is provided with a second pull column, the clamping hole is used for clamping the test column, and the clamping hole and the second pull column are coaxially arranged.

Further, in a preferred embodiment of the present invention, the testing column includes a body and a fixing portion, the body and the fixing portion are both cylindrical, and the diameter of the fixing portion is larger than that of the body; the clamping hole comprises a first hole portion and a second hole portion, the shape of the first hole portion is matched with that of the fixing portion, the shape of the second hole portion is matched with that of the body, and the length of the second hole portion in the axial direction is smaller than that of the body in the axial direction.

Further, in the preferred embodiment of the utility model, the clamp cover includes clamping part and connecting portion, clamping part one end is equipped with the centre gripping hole, the other end be equipped with the connecting hole of the coaxial setting in centre gripping hole, connecting portion one end is equipped with the second draws the post, the other end be equipped with the second draws the link of the coaxial setting of post, the shape of link with the connecting hole phase-match just the link with the connection can be dismantled to the clamping part.

Further, in a preferred embodiment of the present invention, the clamping portion is divided into the first sub-body and the second sub-body by a plane passing through the axis of the clamping portion.

Further, in the preferred embodiment of the present invention, the side wall of the connecting hole and the connecting end are provided with matching insertion holes, the insertion holes are provided with bolts, and the connecting portion and the clamping portion pass through the insertion holes to be detachably connected.

Further, in a preferred embodiment of the present invention, the testing column is made of a polymer material.

Further, in the preferred embodiment of the present invention, the end face of the body away from one end of the fixing portion is provided with a frosted layer.

Further, in the preferred embodiment of the present invention, a placing groove is disposed on the end surface of the substrate facing the clamping plate.

The utility model has the advantages that: the utility model discloses a work piece adhesive force test assembly that above-mentioned design obtained during the use, separates base plate and grip block mutually earlier, then will await measuring the work piece (attached to rete and substrate together) and place on the base plate. The clamping plate is reconnected to the base plate to clamp the workpiece to be tested between the clamping plate and the base plate while exposing a portion of the workpiece to be tested from the test hole. After a workpiece to be tested is fixed, glue is applied to the end face of the test column (or glue is applied to the test hole), and the test column is inserted into the test hole, so that the test column and the workpiece to be tested are bonded together. After the adhesion is stable, the testing column can be pulled, and the adhesion detection of the workpiece to be tested is completed. The utility model provides a work piece adhesive force test subassembly carries out the centre gripping through base plate and grip block to the work piece that awaits measuring fixedly, only will expose from the test hole with some of test column connection, when having avoided dragging the test column, the part that awaits measuring work piece and test column do not connect takes place deformation, influences the test result.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a workpiece adhesion force testing assembly according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating a matching relationship between a substrate and a clamping plate in a workpiece adhesion force testing assembly according to an embodiment of the present invention;

fig. 3 is an exploded view of a jacket in a workpiece adhesion force testing assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second sub-body in a workpiece adhesion force testing assembly according to an embodiment of the present invention.

Icon: a clamping plate 1; a test hole 11; a substrate 2; a first pull stud 21; a clamping portion 3; the first sub-body 31; a second sub-body 32; a clamping hole 33; the first hole portion 331; second hole portion 332; a connecting hole 34; a jack 35; a connecting part 4; a second pull stud 41; a connecting end 42; a latch 43.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 4, the present embodiment provides a workpiece adhesion testing assembly, including: the test device comprises a test column, a clamping plate 1 and a base plate 2, wherein the base plate 2 and the clamping plate 1 are arranged in a stacked mode and detachably connected, the base plate 2 and the clamping plate 1 are matched to clamp a workpiece to be tested, and a test hole 11 matched with the peripheral outline of the test column is formed in the clamping plate 1. Specifically, the base plate 2 and the clamping plate 1 are made of rigid materials, are rectangular as a whole, and are slightly larger than the size of a workpiece to be tested. Simultaneously, the four corners department of base plate 2 and grip block 1 is equipped with corresponding screw, makes accessible bolt realize dismantling the connection between base plate 2 and the grip block 1 to can control the clamp force to the work piece that awaits measuring through the control bolt degree of screwing.

When the workpiece adhesion testing assembly provided by the embodiment is used, the substrate 2 and the clamping plate 1 are separated from each other, and then a workpiece to be tested (a film layer and a base material which are attached together) is placed on the substrate 2. The chucking plate 1 and the base plate 2 are reconnected (bolted together) to clamp the workpiece to be tested between the chucking plate 1 and the base plate 2 while exposing a portion of the workpiece to be tested from the test hole 11. After a workpiece to be tested is fixed, glue is applied to the end face of the testing column (or glue is applied to the interior of the testing hole 11), the testing column is inserted into the testing hole 11, the testing column and the workpiece to be tested are bonded together, after bonding is stable, the testing column can be pulled, and adhesion detection of the workpiece to be tested is completed. The work piece adhesive force test assembly that this embodiment provided carries out the centre gripping through base plate 2 and grip block 1 to the work piece that awaits measuring fixedly, only will expose from test hole 11 with some of test column connection, when having avoided dragging the test column, the work piece that awaits measuring and the part of test column not connecting take place deformation, influence test result.

Meanwhile, in the conventional pull-off test, when the test column and the workpiece are bonded, a certain pressure needs to be applied to the test column in order to firmly connect the two. But this causes part of the adhesive to be squeezed out from the edges of the test column. In order to avoid the extruded adhesive from affecting the test result, the adhesive needs to be cut off by a cutting knife, but the cutting knife can easily damage the workpiece in the process. In this embodiment, through test hole 11, restricted the outflow of gluing agent, even exert pressure to the test column, can not make the gluing agent from the side by the extrusion, avoided the damage to the work piece when getting rid of unnecessary gluing agent.

In the present embodiment, referring to fig. 2, a first pull post 21 is disposed on a side of the substrate 2 away from the clamping plate 1, the first pull post 21 is disposed coaxially with the testing hole 11, and a pull hole penetrating through the outer peripheral surface and perpendicular to the axis is disposed on the first pull post 21. Because first post 21 and the coaxial setting of test hole 11 of drawing, back in test hole 11 is inserted to the test post, first post 21 and the test post of drawing also is coaxial setting, when dragging, the test post with drag the device and be connected, first post 21 and another drag the device and be connected, through the first location of drawing post 21 and test hole 11, make two application of force that drag the device be in on the same straight line (the first axis of drawing post 21 and test hole 11), make the test result more accurate. The pulling device is a pulling device commonly used in the existing pulling method.

Further, referring to fig. 1 and fig. 3, in the present embodiment, the test device further includes a clamping sleeve, one end of the clamping sleeve is provided with a clamping hole 33 having a shape matching the test column, the other end of the clamping sleeve is provided with a second pull column 41, the clamping hole 33 is used for clamping the test column, the clamping hole 33 and the second pull column 41 are coaxially arranged, and the diameter of the second pull column 41 is smaller than the diameter of the test column. Because the test column is generally large in diameter, after the test column is connected with a pulling device, the stress direction is difficult to ensure to be along the axial direction. Therefore, in this embodiment, the test column is clamped by the clamping sleeve and connected with the pulling device through the second pulling column 41, so that the stress direction of the test column extends along the direction of the second pulling column 41, and the test result is more accurate. Meanwhile, since the diameter of the second pull stud 41 is smaller than that of the test stud, it can be more easily ensured that the direction of the force applied to the second pull stud 41 by the pulling means is in the axial direction of the second pull stud 41.

Further, referring to fig. 4, in the present embodiment, the testing column includes a body and a fixing portion, the body and the fixing portion are both cylindrical, and the diameter of the fixing portion is greater than that of the body; the holding hole 33 includes a first hole portion 331 and a second hole portion 332, the first hole portion 331 has a shape matching the shape of the fixing portion, the second hole portion 332 has a shape matching the shape of the body, and the length of the second hole portion 332 in the axial direction is smaller than the length of the body in the axial direction. When clamping the test column, the fixing portion is embedded in the first hole portion 331, a portion of the body is clamped in the second hole portion 332, and an end of the body away from the fixing portion can protrude from the clamping hole 33 to ensure that the body can be inserted into the test hole 11. The junction of body and fixed part is the step form, avoids pressing from both sides the cover when dragging the test column, presss from both sides the cover and separates with the test column.

Further, referring to fig. 3, in the present embodiment, the clamping sleeve includes a clamping portion 3 and a connecting portion 4, one end of the clamping portion 3 is provided with a clamping hole 33, the other end of the clamping portion is provided with a connecting hole 34 coaxially disposed with the clamping hole 33, one end of the connecting portion 4 is provided with a second pull post 41, the other end of the connecting portion is provided with a connecting end 42 coaxially disposed with the second pull post 41, the connecting end 42 is matched with the connecting hole 34 in shape, and the connecting end 42 is detachably connected with the clamping portion 3. The clip portion 3 is divided into a first sub-body 31 and a second sub-body 32 by any plane passing through its own axis. When the test column is used, the first sub-body 31 and the second sub-body 32 are separated, then the test column is embedded in the clamping hole 33 (half) on the first sub-body 31 or the second sub-body 32, and then the first sub-body 31 and the second sub-body 32 are buckled together to complete clamping of the test column. The connection end 42 of the connection part 4 is then inserted into the connection hole 34, and the connection end 42 is connected with the grip part 3. Thus completing the connection of the jacket to the test column. In the subsequent test, the second pull stud 41 is connected to the pulling device.

Further, referring to fig. 3, in the present embodiment, matching insertion holes 35 are disposed on the side walls of the connection holes 34 and the connection ends 42, a latch 43 is disposed in the insertion hole 35, and the connection portion 4 and the clamping portion 3 are detachably connected through the insertion hole 35. The connection method is that the connection end 42 is inserted into the connection hole 34, the connection end 42 is corresponding to the insertion hole 35 on the side wall of the connection hole 34, and the bolt 43 is inserted into the insertion hole 35. In this embodiment, the plug 43 is a long rod bolt, and after being inserted into the insertion hole 35, the connection stability can be improved by matching with a nut.

Further, in the present embodiment, the test column is made of a polymer material. The existing test columns are made of metal materials, the problems of high manufacturing cost and unstable bonding with the adhesive exist, the processing difficulty of the metal materials is higher, and the mass production is not facilitated. In the embodiment, the test column is made of the high polymer material, so that the cost is low, and mass production can be realized through pouring. Meanwhile, the binding force between the high polymer material and the adhesive is stronger, so that the connection between the high polymer material and the workpiece is more stable due to pulling. Preferably, the test column is made of a common polymer material such as epoxy resin.

Further, in this embodiment, in order to further enhance the stability of the adhesion between the testing column and the adhesive, a frosted layer is disposed on the end surface of the end of the body away from the fixing portion. Through setting up the dull polish layer, increase the area of contact of test post terminal surface and gluing agent to improve the stability of bonding.

Further, in the present embodiment, a placement groove is provided on an end surface of the substrate 2 facing the chucking plate 1. Because the thickness of some work pieces is great, base plate 2 and grip block 1 are when carrying out the centre gripping to it, if the bolt revolves and becomes too tight, damage the work piece because of the extrusion force is too big easily, in this embodiment, through setting up the standing groove, avoid because of work piece thickness when too big, easily damaged hidden danger when the centre gripping. Meanwhile, the workpiece can be prevented from moving, and the clamping stability is improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A workpiece adhesion test assembly, comprising: the test column comprises a test column, a clamping plate (1) and a base plate (2), wherein the base plate (2) and the clamping plate (1) are arranged in a stacked mode and detachably connected, the base plate (2) and the clamping plate (1) are matched to be used for clamping a workpiece to be tested, and a test hole (11) matched with the peripheral contour of the test column is formed in the clamping plate (1).

2. The workpiece adhesion test assembly according to claim 1, wherein a first pull column (21) is arranged on one side of the base plate (2) far away from the clamping plate (1), and the first pull column (21) is coaxially arranged with the test hole (11).

3. The workpiece adhesion test assembly of claim 1, further comprising a jacket, wherein one end of the jacket is provided with a clamping hole (33) matched with the test column in shape, the other end of the jacket is provided with a second pull column (41), the clamping hole (33) is used for clamping the test column, and the clamping hole (33) and the second pull column (41) are coaxially arranged.

4. The work adhesion test assembly of claim 3, wherein the test column comprises a body and a securing portion, the body and the securing portion each having a cylindrical shape, and the securing portion having a diameter greater than a diameter of the body; the clamping hole (33) includes a first hole portion (331) and a second hole portion (332), the shape of the first hole portion (331) matches the shape of the fixing portion, the shape of the second hole portion (332) matches the shape of the body, and the length of the second hole portion (332) in the axial direction is smaller than the length of the body in the axial direction.

5. The workpiece adhesion test assembly according to claim 3, wherein the clamping sleeve comprises a clamping portion (3) and a connecting portion (4), one end of the clamping portion (3) is provided with the clamping hole (33), the other end of the clamping portion is provided with a connecting hole (34) coaxially arranged with the clamping hole (33), one end of the connecting portion (4) is provided with the second pull column (41), the other end of the connecting portion is provided with a connecting end (42) coaxially arranged with the second pull column (41), the connecting end (42) is matched with the connecting hole (34) in shape, and the connecting end (42) is detachably connected with the clamping portion (3).

6. The workpiece adhesion test assembly of claim 5, wherein the clamping portion (3) is divided into a first sub-body (31) and a second sub-body (32) by any plane passing through its axis.

7. The workpiece adhesion test assembly according to claim 5, wherein matching insertion holes (35) are formed in the side walls of the connecting hole (34) and the connecting end (42), a plug pin (43) is arranged in the insertion hole (35), and the connecting portion (4) and the clamping portion (3) are detachably connected through the insertion hole (35).

8. The work adhesion test assembly of claim 1, wherein the test post is made of a polymeric material.

9. The work adhesion test assembly of claim 4, wherein the end surface of the body distal from the fixed portion is provided with a frosted layer.

10. The workpiece adhesion test assembly of claim 1, wherein a placement groove is provided on the end surface of the base plate (2) facing the clamping plate (1).

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