Peel strength testing device

Abstract

The utility model discloses a peel strength testing device which comprises a machine table, a first carrier, a second carrier, a driving mechanism and a force value sensor, the first carrier comprises a fixed seat and a first rotating seat, the fixed seat is connected with the machine table, and the first rotating seat is rotatably connected with the fixed seat; the second carrier is movably arranged relative to the first carrier and comprises a connecting seat and a second rotating seat rotationally connected with the connecting seat; the driving mechanism is connected with the connecting seat and is configured to drive the second carrier to be close to or away from the first carrier; the force value sensor is connected between the driving mechanism and the connecting base and is configured to detect the pulling force borne by the connecting base. According to the glass strength testing device disclosed by the utility model, the testing angles of the testing parts can be adjusted through the first rotating seat and the second rotating seat, so that the bonding strength between the testing parts with different stress included angles is tested, and the applicability of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the field of testing equipment, in particular to a peeling strength testing device. Background Art

[0002] Adhesive is a substance that bonds objects together through adhesion and cohesion. When two parts bonded by adhesive are put into use, the bonding strength between them needs to be tested, and the bonding strength is usually tested by a peel strength tester.

[0003] When the existing peel strength test device performs adhesive strength testing, the two parts are usually pulled relative to each other so that the forces on the two parts are equal and opposite, and the pulling force required to peel the adhesive between the two objects is tested, and then the adhesive strength of the adhesive between the parts is calculated. This method has the following shortcomings:

[0004] In actual use, the angles between the forces acting on the components and the bonding surface are various, that is, the force angles are various, and the existing peel strength testing device can only test the situations where the force angles are 90° or 180°, and cannot adapt to actual use conditions and test the bonding strength between components with different force angles. Summary of the invention

[0005] 1. Technical issues to be solved

[0006] The utility model provides a peeling strength testing device, which at least solves the technical problem of how to perform bonding strength tests on components with different force angles, thereby improving the applicability of the device.

[0007] (II) Technical solution

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0009] A peel strength testing device, comprising:

[0010] Machine;

[0011] The first carrier comprises a fixed seat and a first rotating seat, wherein the fixed seat is connected to the machine platform, and the first rotating seat is rotatably connected to the fixed seat;

[0012] A second carrier, movably arranged relative to the first carrier, the second carrier comprising a connecting seat and a second rotating seat rotatably connected to the connecting seat;

[0013] a driving mechanism connected to the connecting seat and configured to drive the second carrier to approach or move away from the first carrier;

[0014] A force sensor connected between the driving mechanism and the connecting seat, and configured to detect the pulling force applied to the connecting seat;

[0015] Wherein, the rotation axes of the first rotating seat and the second rotating seat are parallel to each other. When testing the bonding strength of the adhesive between the first test component and the second test component, the first rotating seat is connected to the first test component and rotated to the test angle, and the second rotating seat is connected to the second test component and rotated to the test angle; the fixed seat and the first rotating seat, and the connecting seat and the second rotating seat are fixedly connected by a locking member.

[0016] In some embodiments, the first rotating seat includes a base plate and a clamping plate, the base plate is rotatably connected to the fixed seat via a pin, the clamping plate is movably arranged relative to the base plate in the length direction of the pin, and is connected to the base plate via bolts in the length direction of the pin, and the pin movably passes through the clamping plate; wherein the first test component is clamped and fixed between the base plate and the clamping plate.

[0017] In some embodiments, the second rotating seat includes a base plate and a clamping plate, the base plate is rotatably connected to the connecting seat via a pin, the clamping plate is movably arranged relative to the base plate in the length direction of the pin and is connected to the base plate via bolts, and the pin movably passes through the clamping plate; wherein the second test component is clamped and fixed between the base plate and the clamping plate.

[0018] In some embodiments, the base plate and the clamping plate are respectively provided with clamping blocks, and the clamping blocks are in an inverted L-shape. A clamping groove with a square cross-section is formed between the clamping blocks on the base plate and the clamping plate. The first test component and / or the second test component includes a fixing portion with a square cross-section, and the fixing portion is located in the clamping groove and fixed between the clamping blocks.

[0019] In some embodiments, the connecting seat and / or the fixed seat includes three seat bodies that are rotatably connected in sequence, and the rotation axes of the seat bodies are perpendicular to each other and to the rotation axes of the first rotating seat and the second rotating seat; the first seat body is connected to the machine or the force sensor, and the third seat body is connected to the first rotating seat or the second rotating seat.

[0020] In some embodiments, a heating device fixed relative to the machine is further included, wherein the heating device includes a heating coil. When testing the bonding strength of the adhesive between the first test component and the second test component, the heating coil is disposed around the first rotating seat and the second rotating seat.

[0021] In some embodiments, the driving mechanism is a screw moving module, which includes a frame, a slide slidably set on the frame, a screw threadedly connected to the slide, and a driving motor that drives the screw to rotate and is fixed on the frame, wherein the slide is connected to a position sensor.

[0022] (III) Beneficial effects

[0023] Compared with the prior art, the peel strength testing device provided by the utility model has the following beneficial effects:

[0024] When testing the bonding strength of the adhesive between the first test component and the second test component, the peel strength testing device first connects the first test component to the first rotating seat and rotates it to the test angle, and connects the second test component to the second rotating seat and rotates it to the test angle; then, the first rotating seat is fixed to the fixed seat by a locking member, and the second rotating seat is fixed to the connecting seat. At this time, the first test component and the second test component are arranged according to the actual force angle, and then the driving mechanism drives the second carrier to move in the direction away from the first carrier, and the tension between the first test component and the second test component gradually increases until they peel off from each other. In this process, the force sensor senses the tension value in real time, and then converts the tension value into the bonding strength of the adhesive between the test components to complete the bonding strength test. It can be seen that the glass strength testing device of the utility model can adjust the test angle of the test component through the first rotating seat and the second rotating seat, and then test the bonding strength between the test components with different force angles, thereby improving the applicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional diagram of the peel strength testing device in the embodiment.

[0026] Figure 2 It is the front view of the peel strength testing device in the embodiment.

[0027] Figure 3 4 is a side view of the peel strength testing device in the embodiment.

[0028] Figure 4 It is a three-dimensional diagram of the driving mechanism in the embodiment.

[0029] Reference numerals:

[0030] Machine 1,

[0031] The first carrier 2, the fixed seat 21, the first rotating seat 22, the seat body 200, the bottom plate 221, the clamping plate 222, the pin 223, and the clamping block 224;

[0032] The second carrier 3, the connecting seat 31, and the second rotating seat 32;

[0033] Driving mechanism 4, frame 41, slide 42, screw rod 43, driving motor 44;

[0034] Force sensor 5, first test component 6, second test component 7;

[0035] Heating device 8, heating coil 80. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0037] The existing peel strength testing device can only test the situation where the force angle is 90° or 180°, and cannot adapt to actual use conditions and test the bonding strength between components with different force angles.

[0038] In order to solve the above technical problems, this embodiment provides a peel strength testing device, please refer to Figures 1 to 3 As shown, Figure 1 is a three-dimensional diagram of the peel strength testing device in the embodiment, Figure 2 This is a front view of the peel strength testing device in the embodiment. Figure 3 4 is a side view of the peel strength testing device in the embodiment.

[0039] A peel strength testing device of the present embodiment includes: a machine platform 1 , a first carrier 2 , a second carrier 3 , a driving mechanism 4 and a force sensor 5 .

[0040] The above-mentioned machine platform 1 can be placed on the ground as a mounting carrier.

[0041] The first carrier 2 includes a fixed seat 21 and a first rotating seat 22 . The fixed seat 21 is connected to the machine platform 1 , and the first rotating seat 22 is rotatably connected to the fixed seat 21 .

[0042] The first carrier 2 is used to fix the first test component 6 , wherein the first test component 6 is mounted on the first rotating seat 22 , and the first rotating seat 22 can rotate relative to the fixed seat 21 , thereby adjusting the angle of the first test component 6 .

[0043] The second carrier 3 is movably arranged relative to the first carrier 2 , and includes a connecting seat 31 and a second rotating seat 32 rotatably connected to the connecting seat 31 .

[0044] The second carrier 3 is used to fix the second test component 7 and can move relative to the first carrier 2 , wherein the second test component 7 is mounted on a second rotating seat 32 , and the second rotating seat 32 can rotate relative to the connection to adjust the angle of the first test component 6 .

[0045] The driving mechanism 4 is connected to the connecting seat 31 and is configured to drive the second carrier 3 to approach or move away from the first carrier 2 .

[0046] The force sensor 5 is connected between the driving mechanism 4 and the connecting seat 31 , and is configured to detect the tension applied to the connecting seat 31 .

[0047] The force sensor 5 can be a tension sensor, and is connected between the driving end of the driving mechanism 4 and the connecting seat 31 of the second carrier 3. The force sensor 5 can also be connected to a processor, and feed back the detected force value to the processor in real time. The processor records and displays the measured force value through a display.

[0048] Among them, the rotation axes of the first rotating seat 22 and the second rotating seat 32 are parallel to each other. When testing the bonding strength of the adhesive between the first test component 6 and the second test component 7, the first rotating seat 22 is connected to the first test component 6 and rotated to the test angle, and the second rotating seat 32 is connected to the second test component 7 and rotated to the test angle. The two test angles can be the same or different, and can be adjusted according to the shape and installation angle of the first test component 6 and the second test component 7; the fixed seat 21 and the first rotating seat 22, and the connecting seat 31 and the second rotating seat 32 are fixedly connected by a locking member, and the locking member can be a bolt or a pin 223.

[0049] When the peel strength test device of the above technical solution tests the bonding strength of the adhesive between the first test component 6 and the second test component 7, the first test component 6 is first connected to the first rotating seat 22 and rotated to the test angle, and the second test component 7 is connected to the second rotating seat 32 and rotated to the test angle; then, the first rotating seat 22 is fixed to the fixed seat 21 by the locking member, and the second rotating seat 32 is fixed to the connecting seat 31. At this time, the first test component 6 and the second test component 7 are arranged according to the actual force angle, and then the driving mechanism 4 drives the second carrier 3 to move away from the first carrier 2, and the tension between the first test component 6 and the second test component 7 is gradually increased until they are peeled off from each other. In this process, the force sensor 5 senses the tension value in real time, and then converts the tension value into the bonding strength of the adhesive between the test components to complete the bonding strength test. It can be seen that the glass strength test device of this embodiment can adjust the test angle of the test component through the first rotating seat 22 and the second rotating seat 32, and then test the bonding strength between the test components with different force angles, thereby improving the applicability of the equipment.

[0050] See also Figure 1 and Figure 3As shown, in one embodiment of the connection between the first rotating seat 22 and the first test component 6, the first rotating seat 22 includes a base plate 221 and a clamping plate 222, the base plate 221 is rotatably connected to the fixed seat 21 via a pin 223, the clamping plate 222 is movably arranged relative to the base plate 221 in the length direction of the pin 223, and is connected to the base plate 221 via bolts in the length direction of the pin 223, the number of clamping plates 222 can be selected as needed, such as selecting two, the clamping plates 222 are passed through by the pin 223; wherein the pin 223 can be a threaded pin, which can allow the base plate 221 to rotate, and can also be connected to the fixed seat 21 via a thread, the base plate 221 is screwed and fixed on the fixed seat 21, and the pin 223 can also guide the clamping plate 222. In this embodiment, the first test component 6 can be connected to the first rotating seat 22 by being clamped between the base plate 221 and the clamping plate 222 or between the clamping plates 222, and the distance between the clamping plate 222 and the base plate 221 or the distance between the clamping plates 222 can be adjusted to accommodate first test components 6 of different specifications.

[0051] It can be understood that the implementation of the second rotating seat 32 connecting to the second test component 7 can refer to the implementation of the first rotating seat 22 connecting to the first test component 6, which will not be repeated here.

[0052] See also Figure 1 and Figure 3 As shown, further, in order to be able to stably fix the test components of the plate-like structure, clamping blocks 224 are respectively provided on the base plate 221 and the clamping plate 222, and the clamping blocks 224 are in an inverted L-shape. A clamping groove with a square cross-section is formed between the clamping blocks 224 on the base plate 221 and the clamping plate 222. The first test component 6 and the second test component 7 include a fixing portion with a square cross-section, which is located in the clamping groove and fixed between the clamping blocks 224, wherein the spacing between the clamping blocks 224 can be adjusted according to the size of the test components, and has good applicability.

[0053] See also Figure 2 and Figure 3 As shown, in order to adapt to irregular test components, or the situation that the first test component 6 and the second test component 7 are not parallel after being fixed by the above-mentioned fixing method, the connecting seat 31 and the fixing seat 21 include three seat bodies 200 that are rotatably connected in sequence. After the seat bodies 200 rotate relative to each other, they can be relatively fixed by means of tight connection or bolt connection. The rotation axes of the seat bodies 200 are perpendicular to each other and to the rotation axes of the first rotating seat 22 and the second rotating seat 32; the first seat body 200 is connected to the machine 1 or the force sensor 5, and the third seat body 200 is connected to the first rotating seat 22 or the second rotating seat 32. In this way, the first rotating seat 22 or the second rotating seat 32 can be rotated and adjusted in three directions, so that the connection surfaces of the first test component 6 and the second test component 7 connected by adhesive can be parallel to each other.

[0054] See also Figure 3 As shown, in this embodiment, a heating device 8 is further included which is fixed relative to the machine 1. The heating device 8 includes a heating coil 80. When testing the bonding strength of the adhesive between the first test component 6 and the second test component 7, the heating coil 80 is arranged around the first rotating seat 22 and the second rotating seat 32. The heating coil 80 can be heated by electric heating to achieve the bonding strength test at a preset temperature.

[0055] See also Figure 4 As shown, Figure 4 In one embodiment of the driving mechanism 4, the driving mechanism 4 is an existing screw moving module, which mainly includes a frame 41, a slide 42 slidably arranged on the frame 41, a screw 43 threadedly connected to the slide 42, and a driving motor 44 that drives the screw 43 to rotate and is fixed on the frame 41, wherein the slide 42 is connected to the position sensor 5.

[0056] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A peel strength testing device, characterized in that: include: Machine; The first carrier comprises a fixed seat and a first rotating seat, wherein the fixed seat is connected to the machine platform, and the first rotating seat is rotatably connected to the fixed seat; A second carrier, movably arranged relative to the first carrier, the second carrier comprising a connecting seat and a second rotating seat rotatably connected to the connecting seat; a driving mechanism connected to the connecting seat and configured to drive the second carrier to approach or move away from the first carrier; A force sensor connected between the driving mechanism and the connecting seat, and configured to detect the pulling force applied to the connecting seat; Wherein, the rotation axes of the first rotating seat and the second rotating seat are parallel to each other. When testing the bonding strength of the adhesive between the first test component and the second test component, the first rotating seat is connected to the first test component and rotated to the test angle, and the second rotating seat is connected to the second test component and rotated to the test angle; the fixed seat and the first rotating seat, and the connecting seat and the second rotating seat are fixedly connected by a locking member.

2. The peel strength testing device according to claim 1, characterized in that: The first rotating seat comprises a bottom plate and a clamping plate, the bottom plate is rotatably connected to the fixed seat via a pin, the clamping plate is movably arranged relative to the bottom plate in the length direction of the pin, and is connected to the bottom plate via a bolt in the length direction of the pin; Wherein, the first test component is clamped and fixed between the base plate and the clamping plate.

3. The peel strength testing device according to claim 1, characterized in that: The second rotating seat comprises a bottom plate and a clamping plate, the bottom plate is rotatably connected to the connecting seat via a pin, the clamping plate is movably arranged relative to the bottom plate in the length direction of the pin, and is connected to the bottom plate via bolts; Wherein, the second test component is clamped and fixed between the base plate and the clamping plate.

4. The peel strength testing device according to claim 2 or 3, characterized in that: The base plate and the clamping plate are respectively provided with clamping blocks, and the clamping blocks are in an inverted L-shape. A clamping groove with a square cross-section is formed between the clamping blocks on the base plate and the clamping plate. The first test component and / or the second test component includes a fixing portion with a square cross-section, and the fixing portion is located in the clamping groove and fixed between the clamping blocks.

5. The peel strength testing device according to claim 1, characterized in that: The connecting seat and / or the fixing seat comprises three seat bodies which are rotatably connected in sequence, and the rotation axes of the seat bodies are perpendicular to each other and to the rotation axes of the first rotating seat and the second rotating seat; The first seat body is connected to the machine platform or the force sensor, and the third seat body is connected to the first rotating seat or the second rotating seat.

6. The peel strength testing device according to claim 1, characterized in that: It also includes a heating device fixed relative to the machine platform, the heating device includes a heating ring, and when testing the bonding strength of the adhesive between the first test component and the second test component, the heating ring is arranged around the first rotating seat and the second rotating seat.

7. The peel strength testing device according to claim 1, characterized in that: The driving mechanism is a screw moving module, which includes a frame, a slide seat slidably arranged on the frame, a screw threadedly connected to the slide seat, and a driving motor that drives the screw to rotate and is fixed on the frame, wherein the slide seat is connected to a position sensor.

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