Peeling test tool

Abstract

The utility model belongs to the technical field of aviation tape testing, and discloses a stripping test tool. The stripping test tool comprises a mounting plate, a supporting assembly, a bonding plate and a guide assembly, the bonding plate is used for bonding a to-be-tested adhesive tape, the mounting plate is used for being connected with an upper chuck of a tensile machine, the supporting assembly is connected to the mounting plate and used for supporting the bonding plate, and the bonding plate can move in the length direction of the bonding plate relative to the supporting assembly. The stripping test tool further comprises a clamping mechanism, the clamping mechanism is used for being connected with a lower chuck of the tensile machine and can clamp or loosen the stripped to-be-tested adhesive tape, the guide assembly comprises a guide part and a locking part, the guide part is used for abutting against the stripped to-be-tested adhesive tape, and the locking part is used for locking the to-be-tested adhesive tape. The position, relative to the mounting plate, of the guide part can be adjusted in the length direction of the bonding plate, and the locking part can lock or unlock the relative position of the guide part and the mounting plate. The stripping test tool can ensure that the stripping angle of the to-be-tested adhesive tape is kept at 90 degrees in the stripping process.

Description

TECHNICAL FIELD

[0001] The utility model relates to aviation adhesive tape test technical field especially relates to a peeling test frock. BACKGROUND

[0002] The adhesive tape for aviation needs to carry out a series of mechanical property tests after preparation, wherein the most commonly used is peeling strength test. For example, 90 degree peeling test, the adhesive tape to be tested and the adhesive plate are pasted together, and the adhesive tape to be tested and the adhesive plate form 90 degrees to peel off. In the peeling process, it is very important to accurately control the peeling angle of the adhesive tape to be tested and the adhesive plate.

[0003] In the prior art, a 90 degree peeling device needs to be combined with a movable baffle and a rectangular bar to control the 90 degree between the adhesive tape to be tested and the steel plate in the peeling process. However, the position of the rectangular bar of the 90 degree peeling device is fixedly arranged. If an error occurs when the 90 degree peeling device and the tension machine are assembled, the adhesive tape to be tested and the steel plate cannot maintain 90 degrees, and the angle deviation is prone to occur in the peeling process, resulting in inaccurate test results. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a peeling test frock which can ensure that the peeling angle of the adhesive tape to be tested is kept at 90 degrees in the peeling process.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] A peeling test frock is provided, which comprises a mounting plate, a supporting assembly, an adhesive plate and a guide assembly. The adhesive plate is used for pasting the adhesive tape to be tested. The mounting plate is used for connecting with the upper chuck of the tension machine. The supporting assembly is connected to the mounting plate and is used for supporting the adhesive plate. The adhesive plate can move along the length direction of the adhesive plate relative to the supporting assembly. The peeling test frock further comprises a clamping mechanism which is used for connecting with the lower chuck of the tension machine and can clamp or release the adhesive tape to be tested after peeling. The guide assembly comprises a guide piece and a locking piece. The guide piece comprises an abutting portion which abuts against the adhesive tape to be tested after peeling. The position of the abutting portion of the guide piece relative to the mounting plate can be adjusted along the length direction of the adhesive plate. The locking piece can lock or unlock the relative position of the guide piece and the mounting plate.

[0007] Preferably, the guide piece is rotationally connected to the mounting plate. Either of the guide piece and the mounting plate is provided with an adjusting groove. The length direction of the adjusting groove is at an angle to the length direction of the adhesive plate.

[0008] Preferably, the guide member comprises a rocker arm and a roller, the locking member comprises a locking bolt and a locking nut, the locking bolt passes through one end of the rocker arm and is screwed to the mounting plate, the rocker arm is rotationally connected to the locking bolt, the other end of the rocker arm is rotationally connected to the roller, and the locking nut is screwed to the locking bolt and abuts against the mounting plate.

[0009] Preferably, the adjusting groove is a long groove provided on the rocker arm, the long groove is arranged along the length direction of the rocker arm, and the locking bolt is arranged in the long groove and can move along the length direction of the rocker arm relative to the groove wall.

[0010] Preferably, the support assembly comprises a plurality of support rollers, the mounting plate is provided with a first adjusting hole arranged along the length direction of the bonding plate, and the plurality of support rollers are arranged in the first adjusting hole in a position-fixed manner relative to the mounting plate and in a position-adjustable manner along the length direction of the first adjusting hole.

[0011] Preferably, the peeling test tool further comprises a plurality of limiting rollers arranged in a spaced manner along the length direction of the first adjusting hole, the bonding plate is clamped between the support assembly and the plurality of limiting rollers, the mounting plate is provided with a plurality of second adjusting holes arranged in a parallel and spaced manner, the length directions of the plurality of second adjusting holes are perpendicular to the length direction of the first adjusting hole, the plurality of limiting rollers are arranged in the plurality of second adjusting holes in a one-to-one corresponding and position-fixed manner relative to the mounting plate and in a position-adjustable manner along the length direction of the second adjusting hole.

[0012] Preferably, the support roller comprises a support sleeve, a support positioning rod, and a support nut, the support sleeve is rotationally arranged on the support positioning rod, the support positioning rod passes through the first adjusting hole and is screwed to the support nut; and / or, the limiting roller comprises a limiting sleeve, a limiting positioning rod, and a limiting nut, the limiting sleeve is rotationally arranged on the limiting positioning rod, the limiting positioning rod passes through the corresponding second adjusting hole and is screwed to the limiting nut.

[0013] Preferably, the clamping mechanism comprises a clamp seat and two clamping assemblies arranged in a spaced and opposite manner on the clamp seat, the clamping assembly comprises a clamping plate and a screw rod, the two screw rods are screwed to the clamp seat, the two screw rods are coaxially arranged and connected to the two clamping plates in a one-to-one corresponding manner, and the clamping surfaces of the two clamping plates are arranged in an opposite manner.

[0014] Preferably, the clamping plate and the screw rod are rotationally connected.

[0015] Preferably, the peeling test tool further comprises a first connecting flange for connecting to the upper clamp of the tensile testing machine, and the first connecting flange is detachably connected to the mounting plate; and / or, the peeling test tool further comprises a second connecting flange for connecting to the lower clamp of the tensile testing machine, and the second connecting flange is detachably connected to the clamping mechanism.

[0016] The utility model discloses a beneficial effect lies in: provide a peeling test frock, this peeling test frock is through clamping mechanism and is clamped or loosens the measured adhesive tape after peeling, and sets up the guide of the length direction of the adjustable guide of the position along the bonding plate of relative installation board and sets up the locking piece of the relative position of guide piece and installation board that can lock or unfasten, adjusts the relative position of the measured adhesive tape clamping place and peeling place, and then ensures the peeling angle of the measured adhesive tape in the peeling process and keeps at 90 degrees. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the side view of the peeling test frock provided by the utility model;

[0018] Figure 2 It is the front view of the peeling test frock provided by the utility model;

[0019] Figure 3 It is the partial explosion drawing of the peeling test frock provided by the utility model

[0020] Figure 4 It is the structure diagram of the guide assembly of the peeling test frock provided by the utility model;

[0021] Figure 5 It is the explosion drawing of the guide assembly of the peeling test frock provided by the utility model;

[0022] Figure 6 It is the structure diagram of the clamping assembly of the peeling test frock provided by the utility model;

[0023] Figure 7 It is the explosion drawing of the clamping assembly of the peeling test frock provided by the utility model.

[0024] In the drawing: 1, installation board; 11, first adjusting hole; 12, second adjusting hole;

[0025] 2, support assembly; 21, support roller; 211, support sleeve; 212, support positioning rod; 213, support nut;

[0026] 3, bonding plate;

[0027] 4, guide assembly; 41, guide; 411, rocker arm; 4111, long groove; 412, roller; 4121, roller sleeve; 4122, roller bolt; 4123, roller nut; 42, locking piece; 421, locking bolt; 422, locking nut;

[0028] 5, clamping mechanism; 51, clamp seat; 52, clamping assembly; 521, clamping plate; 5211, clamping plate body; 5212, connecting block; 5213, bolt; 522, screw rod;

[0029] 6, limiting roller; 61, limiting sleeve; 62, limiting positioning rod; 63, limiting nut;

[0030] 7, first connecting flange; 8, second connecting flange. DETAILED DESCRIPTION

[0031] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0032] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0034] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0035] Please refer to Figures 1 to 5The embodiment provides a peeling test tool, which comprises a mounting plate 1, a supporting assembly 2, an adhesive plate 3 and a guiding assembly 4. The adhesive plate 3 is used for pasting a to-be-tested adhesive tape. The mounting plate 1 is used for being connected with an upper chuck of a tensile testing machine. The supporting assembly 2 is connected with the mounting plate 1 and is used for supporting the adhesive plate 3. The adhesive plate 3 can move along the length direction of the adhesive plate 3 relative to the supporting assembly 2. The peeling test tool further comprises a clamping mechanism 5, which is used for being connected with a lower chuck of the tensile testing machine and can clamp or release the to-be-tested adhesive tape after peeling. The guiding assembly 4 comprises a guiding piece 41 and a locking piece 42. The guiding piece 41 comprises an abutting part abutting against the to-be-tested adhesive tape after peeling. The position of the abutting part of the guiding piece 41 relative to the mounting plate 1 can be adjusted along the length direction of the adhesive plate 3. The locking piece 42 can lock or release the relative position of the guiding piece 41 and the mounting plate 1. In this way, by adjusting the position of the guiding piece 41 relative to the mounting plate 1, the relative position of the peeling position of the guiding piece 41 abutting against the to-be-tested adhesive tape after peeling and the clamping position of the clamping mechanism 5 clamping the to-be-tested adhesive tape can be adjusted, so that the peeling position and the clamping position are located on the same straight line along the stretching direction of the tensile testing machine, and the peeling angle of the to-be-tested adhesive tape during the peeling process can be ensured to be 90 degrees. Preferably, the adhesive plate 3 is a metal plate.

[0036] Optionally, the guiding piece 41 is rotationally connected with the mounting plate 1. Either one of the guiding piece 41 and the mounting plate 1 is provided with an adjusting groove, and the length direction of the adjusting groove is at an angle with the length direction of the adhesive plate 3. In this way, the supporting position of the to-be-tested adhesive tape can be adjusted along the length direction of the adhesive plate 3 by rotating the guiding piece 41, and the operation is convenient. In other embodiments, the guiding piece 41 can also be slidingly connected with the mounting plate 1. The supporting position of the to-be-tested adhesive tape can be adjusted along the length direction of the adhesive plate 3 by sliding the guiding piece 41.

[0037] Specifically, refer to Figures 1 to 4The guiding member 41 comprises a rocker arm 411 and a roller 412, the locking member 42 comprises a locking bolt 421 and a locking nut 422, the locking bolt 421 passes through one end of the rocker arm 411 and is threadedly connected with the mounting plate 1, the rocker arm 411 is rotationally connected with the locking bolt 421, the other end of the rocker arm 411 is rotationally connected with the roller 412, and the locking nut 422 is screwed on the locking bolt 421 and abuts against the mounting plate 1. In this way, the roller 412 can make a circular motion with the center at the connection between the rocker arm 411 and the mounting plate 1 and the radius being the distance from the roller 412 to the connection between the rocker arm 411 and the mounting plate 1, so as to adjust the position of the guiding member 41 along the length direction of the bonding plate 3 relative to the mounting plate 1, and ensure that the peeling angle of the tested adhesive tape during the peeling process is kept at 90 degrees, so as to avoid angle deviation in the peeling test and affect the test result. Meanwhile, the supporting surface of the roller 412 for supporting the tested adhesive tape is a curved surface, and the roller 412 is rotationally connected with the rocker arm 411, so that the roller 412 rotates with the peeling of the tested adhesive tape during the peeling test, and the pulling damage of the tested adhesive tape caused by the guiding member 41 during the peeling process is avoided.

[0038] Specifically, the roller 412 comprises a roller sleeve 4121, a roller bolt 4122 and a roller nut 4123, the rocker arm 411 has a first connecting portion and a second connecting portion arranged in parallel and spaced apart, the roller bolt 4122 passes through the first connecting portion, the roller sleeve 4121 and the second connecting portion in sequence, the roller nut is screwed on the roller bolt, and the roller sleeve 4121 can rotate relative to the roller bolt 4122. In other embodiments, the guiding member 41 can also only comprise a rocker arm, and the supporting surface of one end of the rocker arm 411 for supporting the tested adhesive tape is arranged as a circular arc surface.

[0039] Optionally, referring to Figure 2 and Figure 4 , the adjusting groove is a long groove 4111 arranged on the rocker arm 411, the long groove 4111 is arranged along the length direction of the rocker arm 411, the locking bolt 421 is arranged in the long groove 4111 and can move along the length direction of the rocker arm 411 relative to the groove wall of the long groove 4111. In this way, the rocker arm 411 can move along the length direction of the rocker arm 411 relative to the locking bolt 421, the relative position of the guiding member 41 and the mounting plate 1 can be adjusted along the length direction of the long groove 4111, the position of the guiding member 41 relative to the mounting plate 1 can be adjusted along the length direction of the bonding plate 3, and meanwhile, the distance between the rocker arm 411 and the bonding plate 3 can be kept in accordance with the test requirements along the direction perpendicular to the length direction of the bonding plate 3. In other embodiments, a rotating shaft can also be arranged, the rotating shaft is fixed on the mounting plate 1 by screws, and the guiding member 41 is connected with the rotating shaft.

[0040] In other embodiments, a sliding groove can also be provided on the mounting plate 1, the sliding groove being provided along the length direction of the bonding plate, and the guide member 41 being slidingly connected to the sliding groove.

[0041] Optionally, please refer to 1 to Figure 3 The support assembly 2 comprises a plurality of support rollers 21, and a first adjusting hole 11 is formed in the mounting plate 1, the first adjusting hole 11 being provided along the length direction of the bonding plate 3, and the plurality of support rollers 21 are fixedly provided in the first adjusting hole 11 relative to the mounting plate 1 and are positionally adjustable along the length direction of the first adjusting hole 11 relative to the mounting plate 1. In this way, by providing the first adjusting hole 11, the distance between the plurality of support rollers 21 is adjustable along the length direction of the first adjusting hole 11, so that the support assembly 2 can support bonding plates 3 of different lengths, and the versatility of the peeling test tool is improved. Specifically, the length direction of the first adjusting hole 11 is perpendicular to the direction of stretching by the tensile testing machine, and the bonding plate 3 is supported by the plurality of support rollers 21 in the first adjusting hole 11, so that the bonding plate 3 can move along a direction perpendicular to the direction of stretching by the tensile testing machine during peeling, and the peeling angle is ensured to be 90 degrees.

[0042] Optionally, the peeling test tool further comprises a plurality of limiting rollers 6, the plurality of limiting rollers 6 being provided in a spaced manner along the length direction of the first adjusting hole 11, and the bonding plate 3 is clamped between the support assembly 2 and the plurality of limiting rollers 6. A plurality of second adjusting holes 12 are formed in the mounting plate 1 in a parallel and spaced manner, the length direction of the plurality of second adjusting holes 12 is perpendicular to the length direction of the first adjusting hole 11, the plurality of limiting rollers 6 are fixedly provided in the plurality of second adjusting holes 12 relative to the mounting plate 1 in a one-to-one correspondence and are positionally adjustable along the length direction of the second adjusting hole 12 relative to the mounting plate 1. In this way, by providing the plurality of limiting rollers 6, the bonding plate 3 can be stably clamped between the limiting assembly and the plurality of limiting rollers 6, so that the bonding plate 3 does not slide off the support assembly 2 or is not raised at the front and back during peeling, and the reliability of the peeling test tool is improved. At the same time, by forming the plurality of second adjusting holes 12 in the mounting plate 1 in a parallel and spaced manner, and by inserting the plurality of limiting rollers 6 into the plurality of second adjusting holes 12 in a one-to-one correspondence and positionally adjustable along the length direction of the second adjusting hole 12 relative to the mounting plate 1, the distance between the plurality of limiting rollers 6 and the support assembly 2 is adjustable along the length direction of the second adjusting hole 12, so that the peeling test tool can adapt to different thicknesses of the measured adhesive tape, and the versatility of the peeling test tool is improved.

[0043] Optionally, please refer to Figure 2 and Figure 3The support roller 21 comprises a support sleeve 211, a support positioning rod 212 and a support nut 213. The support sleeve 211 is rotationally arranged on the support positioning rod 212. The support positioning rod 212 passes through the first adjusting hole 11 and is threadedly connected with the support nut 213. In this way, the support sleeve 211 is rotationally connected with the support positioning rod 212. During the peeling process, the adhesive plate 3 can move along the length direction of the adhesive plate 3 relative to the support assembly 2 at a uniform speed, so as to avoid the influence of friction on the test result and ensure the accuracy of the peeling test.

[0044] Optionally, referring to Figure 2 and Figure 3 , the limiting roller 6 comprises a limiting sleeve 61, a limiting positioning rod 62 and a limiting nut 63. The limiting sleeve 61 is rotationally arranged on the limiting positioning rod 62. The limiting positioning rod 62 passes through the corresponding second adjusting hole 12 and is threadedly connected with the limiting nut 63. In this way, the limiting sleeve 61 is rotationally connected with the limiting positioning rod 62. During the peeling process, the adhesive plate 3 can move along the length direction of the adhesive plate 3 relative to the limiting roller 6 at a uniform speed, so as to avoid the influence of friction on the test result and ensure the accuracy of the peeling test.

[0045] Optionally, referring to Figure 1 , Figure 2 and Figure 5 , the clamping mechanism 5 comprises a clamp seat 51 and two clamping assemblies 52. The two clamping assemblies 52 are arranged on the clamp seat 51 in a spaced and opposite manner. The clamping assembly 52 comprises a clamping plate 521 and a screw rod 522. The two screw rods 522 are threadedly connected with the clamp seat 51. The two screw rods 522 are coaxially arranged and correspondingly connected with the two clamping plates 521. The clamping faces of the two clamping plates 521 are arranged in an opposite manner. In this way, the clamping plate 521 is driven to move along the length direction of the screw rod 522 by rotating the screw rod 522 relative to the clamp seat 51, so as to facilitate the clamping or loosening of the measured adhesive tape by the two clamping plates 521.

[0046] In some embodiments, the clamping faces of the two clamping plates 521 are provided with anti-skid lines. In this way, the friction between the clamping faces and the measured adhesive tape is increased, so as to avoid the measured adhesive tape from being loosened from between the two clamping plates 521 during the peeling process, and the reliability of the peeling test tool is enhanced.

[0047] Optionally, the clamping plate 521 and the screw rod 522 are rotationally connected. In this way, when the screw rod 522 is rotated relative to the clamp seat 51, the clamping plate 521 will not be rotated relative to the clamp seat 51, so as to avoid the damage of the adhesive tape or the failure of clamping the adhesive tape caused by the rotation of the clamping plate 521. Specifically, one of the clamping plate 521 and the screw rod 522 is provided with a sliding groove, and the other one of the clamping plate 521 and the screw rod 522 is provided with a sliding block. The sliding block can rotate in the sliding groove.

[0048] Specifically, the clamping plate comprises a clamping plate body 5211, a connecting block 5212 and a pin 5213. The connecting block 5212 is provided with a sliding groove at one end close to the screw rod 522. The other end of the connecting block 5212 is connected to the clamping plate body 521 through the pin 5213. At least part of the connecting block 5212 is arranged in the clamp seat 51. In this way, the clamping assembly 52 can be conveniently arranged on the clamp seat 51, improving the assembly efficiency. At the same time, at least part of the connecting block 5212 is arranged in the clamp seat 51, which can prevent the sliding block from falling out of the sliding groove, ensuring the connection reliability of the clamping assembly 52.

[0049] Optionally, referring to Figure 1 and Figure 2 , the peeling test tool further comprises a first connecting flange 7, which is used to be connected with the upper clamp of the tensile testing machine, and the first connecting flange 7 is detachably connected with the mounting plate 1. In this way, the first connecting flange 7 is conveniently connected with the mounting plate 1, and then the assembly of the peeling test tool is facilitated, improving the test efficiency.

[0050] Specifically, the first connecting flange 7 is connected with the mounting plate 1 through a pin, and is fixed in the pin through a pin needle. In other embodiments, the first connecting flange 7 and the mounting plate 1 can also be connected through fixing bolts, fixing screws, etc.

[0051] Optionally, referring to Figure 1 and Figure 2 , the peeling test tool further comprises a second connecting flange 8, which is used to be connected with the lower clamp of the tensile testing machine, and the second connecting flange 8 is detachably connected with the clamping mechanism 5. In this way, the assembly of the peeling test tool and the replacement or maintenance of the components of the peeling test tool are facilitated, improving the test efficiency.

[0052] Specifically, the second connecting flange 8 is connected with the clamping mechanism 5 through a pin, and is fixed in the pin through a pin needle. In other embodiments, the second connecting flange 8 and the clamping mechanism 5 can also be connected through fixing bolts, fixing screws, etc.

[0053] In this embodiment, the peeling test tool is used for 90-degree peeling test of adhesive tape for aviation. In other embodiments, the peeling test tool can also be used for 90-degree peeling test of automobile trim film, film rubber, layered metal composite material, etc.

[0054] The process of using the peeling test tool to perform 90-degree peeling test is as follows:

[0055] The first connecting flange 7 is connected with the upper clamp of the tensile testing machine, the mounting plate 1 is connected with the first connecting flange 7, the second connecting flange 8 is connected with the lower clamp of the tensile testing machine, and the clamping mechanism 5 is connected with the second connecting flange 8; the distance between the support rollers 21 is adjusted along the length direction of the first adjusting hole 11, and the adhesive plate 3 with the adhesive tape to be measured is placed on the support rollers 21, the position of the limiting roller 6 relative to the mounting plate 1 is adjusted along the length direction of the second adjusting hole 12, and the adhesive plate 3 is compressed; a section of the adhesive tape to be measured is peeled off and clamped between the clamping plates 521; the rocker arm 411 is rotated and moved relative to the groove wall of the long groove 4111, the position of the guide piece 41 is adjusted along the length direction of the adhesive plate 3, the position of the guide piece 41 abutting against the adhesive tape to be measured is the peeling-off position of the adhesive tape to be measured, and along the tensile direction of the tensile testing machine, the peeling-off position of the adhesive tape to be measured and the clamping position of the clamping plate 521 clamping the adhesive tape to be measured are located on the same straight line; the upper clamp of the tensile testing machine is started, so that the mounting plate 1 moves at a constant speed along the tensile direction of the tensile testing machine, and the adhesive tape to be measured is peeled off from the adhesive plate 3 at a peeling angle of 90 degrees at a constant speed.

[0056] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be carried out without departing from the protection scope of the utility model. Here, all the embodiments need not and cannot be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A peel test tool comprising a mounting plate (1), a support assembly (2), an adhesive plate (3) for adhering a tape to be tested, the mounting plate (1) for connection to an upper chuck of a tensile testing machine, the support assembly (2) connected to the mounting plate (1), the support assembly (2) for supporting the adhesive plate (3), and the adhesive plate (3) movable relative to the support assembly (2) along the length of the adhesive plate (3), characterised in that, The peeling test tool further comprises a clamping mechanism (5) for connecting with a lower chuck of a tensile testing machine, and the clamping mechanism (5) can clamp or release the peeled adhesive tape, the guide assembly (4) comprises a guide piece (41) and a locking piece (42), the guide piece (41) comprises an abutting portion abutting against the peeled adhesive tape, the position of the abutting portion of the guide piece (41) relative to the mounting plate (1) is adjustable along the length direction of the bonding plate (3), and the locking piece (42) can lock the relative position of the guide piece (41) and the mounting plate (1).

2. The peel test fixture of claim 1, wherein The guide piece (41) is rotationally connected to the mounting plate (1), and either one of the guide piece (41) and the mounting plate (1) is provided with an adjusting groove, and the length direction of the adjusting groove is at an angle to the length direction of the bonding plate (3).

3. The peel test fixture of claim 2, wherein, The guide piece (41) comprises a rocker arm (411) and a roller (412), the locking piece (42) comprises a locking bolt (421) and a locking nut (422), the locking bolt (421) passes through one end of the rocker arm (411) and is threadedly connected with the mounting plate (1), the rocker arm (411) is rotationally connected with the locking bolt (421), the other end of the rocker arm (411) is rotationally connected with the roller (412), and the locking nut (422) is screwed on the locking bolt (421) and abuts against the mounting plate (1).

4. The peel test fixture of claim 3, wherein, The adjusting groove is a long groove (4111) provided on the rocker arm (411), the long groove (4111) is arranged along the length direction of the rocker arm (411), the locking bolt (421) is arranged in the long groove (4111) and can move along the length direction of the rocker arm (411) relative to the groove wall of the long groove (4111).

5. The peel test fixture of claim 1, wherein The support assembly (2) comprises a plurality of support rollers (21), the mounting plate (1) is provided with a first adjusting hole (11) arranged along the length direction of the bonding plate (3), and the plurality of support rollers (21) are fixedly arranged in the first adjusting hole (11) relative to the mounting plate (1) and are adjustable in position along the length direction of the first adjusting hole (11) relative to the mounting plate (1).

6. The peel test fixture of claim 5, wherein, The peeling test tool further comprises a plurality of limiting rollers (6), the plurality of limiting rollers (6) are arranged at intervals along the length direction of the first adjusting hole (11), the bonding plate (3) is clamped between the support assembly (2) and the plurality of limiting rollers (6), the mounting plate (1) is provided with a plurality of second adjusting holes (12) arranged in parallel at intervals, the length directions of the plurality of second adjusting holes (12) are perpendicular to the length direction of the first adjusting hole (11), the plurality of limiting rollers (6) are arranged in the plurality of second adjusting holes (12) one by one and fixedly relative to the mounting plate (1) in position and adjustable in position along the length direction of the second adjusting hole (12) relative to the mounting plate (1).

7. The peel test fixture of claim 6, wherein, The support roller (21) comprises a support sleeve (211), a support positioning rod (212) and a support nut (213), the support sleeve (211) is rotationally arranged on the support positioning rod (212), the support positioning rod (212) passes through the first adjusting hole (11) and is threadedly connected with the support nut (213); and / or, the limiting roller (6) comprises a limiting sleeve (61), a limiting positioning rod (62) and a limiting nut (63), the limiting sleeve (61) is rotationally arranged on the limiting positioning rod (62), the limiting positioning rod (62) passes through the corresponding second adjusting hole (12) and is threadedly connected with the limiting nut (63).

8. The peel test fixture of claim 1, wherein, The clamping mechanism (5) comprises a clamp seat (51) and two clamping assemblies (52), the two clamping assemblies (52) are arranged in a spaced and opposite manner on the clamp seat (51), the clamping assembly (52) comprises a clamping plate (521) and a screw rod (522), the two screw rods (522) are threadedly connected with the clamp seat (51), the two screw rods (522) are coaxially arranged and are connected with the two clamping plates (521) in a one-to-one manner, and the clamping surfaces of the two clamping plates (521) are arranged in an opposite manner.

9. The peel test fixture of claim 8, wherein, The clamping plate (521) and the screw rod (522) are rotationally connected.

10. The peel test fixture of any one of claims 1-9, wherein, The peeling test tool further comprises a first connecting flange (7), the first connecting flange (7) is used for being connected with an upper clamp of a tensile testing machine, and the first connecting flange (7) is detachably connected with the mounting plate (1); and / or; the peeling test tool further comprises a second connecting flange (8), the second connecting flange (8) is used for being connected with a lower clamp of the tensile testing machine, and the second connecting flange (8) is detachably connected with the clamping mechanism (5).

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