An epoxy adhesive bond strength testing device
By designing an epoxy adhesive bonding force testing device, which utilizes a motor-driven threaded rod and gear transmission, combined with a temperature-controlled barrel and an industrial camera, the problems of large deviations in bonding force testing and low cleaning efficiency in existing technologies have been solved. This device enables multi-dimensional detection and efficient cleaning, ensuring the accuracy of test data and the quality of recycled plastics.
Patent Information
- Application Number
- CN202511024559.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-24
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2045-07-24
AI Technical Summary
Existing technologies cannot simulate multi-directional forces when testing the bonding strength of epoxy adhesives, resulting in large test deviations; the cleaning process pollutes the environment and affects accuracy; and it cannot detect internal defects at the bonding interface, lacking multi-dimensional evaluation.
An epoxy adhesive bonding force testing device was designed, which includes a measuring mechanism and a maintenance mechanism. It achieves precise movement through a motor-driven threaded rod and gear transmission, and combines a temperature-controlled barrel and an industrial camera to perform multi-dimensional detection and cleaning.
It achieves accurate and multi-dimensional evaluation of adhesive strength testing, eliminates assembly errors, improves cleaning efficiency, and ensures the accuracy of test data and the quality of recycled plastics.
Smart Images

Figure CN120577218B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of plastic recycling, in particular to an epoxy adhesive bonding force testing device. BACKGROUND
[0002] In the field of plastic waste recycling, the key process for the fusion bonding of thermoplastic plastics through epoxy adhesives is to directly determine the mechanical properties and use safety of the regenerated plastics. The current mainstream testing equipment has the following technical defects.
[0003] Traditional bonding strength testing relies on manual operation, and data is obtained through one-way stretching or extrusion, which cannot simulate the actual working conditions of multi-directional stress in plastic waste recycling, resulting in large bonding force testing deviation; the cleaning of the residual epoxy adhesive after curing relies on chemical solvents or manual scraping, which not only pollutes the environment, but also seriously affects the subsequent test precision, and the equipment maintenance efficiency is low; the existing detection can only obtain the surface bonding state, and cannot detect defects such as bubbles and cavities in the bonding interface, lacks multi-dimensional evaluation of bonding uniformity, and leads to the lack of quality control of regenerated plastics; therefore, an epoxy adhesive bonding force testing device is proposed. SUMMARY
[0004] The technical scheme adopted by the application to solve the technical problem is: an epoxy adhesive bonding force testing device, comprising a workbench, a first motor is installed at the front end of the workbench, an assembly hole is formed in the outer side of the workbench, a measuring mechanism for testing bonding is arranged on the inner side of the assembly hole of the workbench, and a maintenance mechanism for processing solid glue is arranged on the inner side of the measuring mechanism.
[0005] Preferably, the measuring mechanism comprises a moving assembly for detecting tension, and the measuring mechanism further comprises a storage assembly for outputting glue.
[0006] Preferably, the moving assembly comprises a threaded rod fixedly connected with the output shaft of the first motor, a moving plate is threadedly connected with the outer side of the threaded rod, a push plate is rotatably connected to the rear end of the moving plate through a rotating shaft, a first annular plate is fixedly connected to the lower end of the push plate, the first annular plate is rotatably connected to the inner side of the assembly hole of the workbench, and a second annular plate is fixedly connected to the front end of the first annular plate through a connecting plate.
[0007] Preferably, the rear end of the second annular plate is rotatably connected to three groups of limiting frames through rotating shafts, the rear end of the limiting frame is rotatably connected with the first annular plate through a rotating shaft, a test plate is slidably connected to the inner side of the limiting frame, the rear end of the test plate is rotatably connected with the workbench through a rotating shaft, and a pressure sensor is arranged on one side of the test plate.
[0008] Preferably, the storage assembly comprises an annular baffle fixedly connected with one of the three groups of test plates, the outer side of the annular baffle is provided with a feeding pipe, the upper end of the feeding pipe of the annular baffle is provided with a temperature control barrel, the upper end of the temperature control barrel is installed with two groups of first electric telescopic rods through a support plate, the inner side of the temperature control barrel is slidably connected with a pressing rod, the output shafts of the two groups of first electric telescopic rods are fixedly connected with the pressing rod, the front and rear ends of the annular baffle are provided with symmetrically arranged storage plates, the outer sides of the two groups of storage plates are respectively fixedly connected with the other two groups of test plates among the three groups of test plates, and the inner side of one of the two groups of storage plates close to the front storage plate is respectively provided with a transverse assembly groove and an annular assembly groove.
[0009] Preferably, the maintenance mechanism comprises a cleaning assembly for cleaning solid glue, and the maintenance mechanism further comprises a detection assembly for detecting the glue filling state of the inner wall.
[0010] Preferably, the cleaning assembly comprises a third annular plate fixedly connected with the second annular plate, a sliding groove is formed around the inner wall of the third annular plate, the outer side of the third annular plate is movably connected with a mounting bracket through the sliding groove, a second motor is installed at the front end of the mounting bracket, a first gear is rotatably connected to the inner side of the mounting bracket through a rotating shaft, the output shaft of the second motor is fixedly connected with the first gear, the outer side of the first gear is meshingly connected with the third annular plate, two groups of second electric telescopic rods are installed at the lower end of the mounting bracket, the housings of the two groups of second electric telescopic rods are fixedly connected with a mounting plate, an industrial camera is arranged on the inner side of the mounting plate, the output shafts of the two groups of second electric telescopic rods are fixedly connected with connecting blocks, and the lower ends of the two groups of connecting blocks are fixedly connected with a toothed belt.
[0011] Preferably, the cleaning assembly further comprises a fixed cylinder fixedly connected with one of the two groups of storage plates, a limiting plate is arranged on the inner wall of the fixed cylinder, a moving cylinder is slidably connected to the inner side of the fixed cylinder, the outer side of the moving cylinder is fixedly connected with two groups of symmetrically arranged pins, the distal ends of the two groups of pins away from each other are in abutment with the fixed cylinder, a fixed rotating shaft is rotatably connected to the inner side of the moving cylinder, the outer side of the fixed rotating shaft is rotatably connected with the fixed cylinder, a second gear is fixedly connected to the rear end of the fixed rotating shaft, the outer side of the second gear is meshingly connected with the teeth of the toothed belt, a spring is arranged on the outer side of the fixed rotating shaft, one end of the spring is fixedly connected with the moving cylinder, and the other end of the spring is slidably connected with the fixed cylinder.
[0012] Preferably, the inner side of the front end of the fixed rotating shaft moving cylinder is fixedly connected with a moving shaft, the outer side of the moving shaft is attached to one end of the two groups of pins, the outer side of the moving shaft is fixedly connected with two groups of symmetrical inclined sliding strips, the two groups of inclined sliding strips are in sliding connection with the outer side of the two groups of pins, the rear end of the moving shaft is provided with a third electric telescopic rod, the shell of the third electric telescopic rod is in rotary connection with the moving cylinder, the output shaft of the third electric telescopic rod is in rotary connection with one of the two groups of storage plates, the output shaft of the third electric telescopic rod is fixedly connected with a crushing blade, the crushing blade is in sliding connection with the inner side of the transverse assembly groove of the storage plate, the rear end of the pushing rod is fixedly connected with a connecting rod, the two groups of connecting rods are commonly fixedly connected with a polishing ring at the ends away from each other, the polishing ring is in sliding connection with the inner side of the annular assembly groove of the storage plate, and the inner side of the polishing ring is provided with an electric heating wire.
[0013] Preferably, the detection assembly comprises two groups of symmetrical L-shaped connecting rods, the side close to each other of the two groups of L-shaped connecting rods is fixedly connected with the fixed rotating shaft, the rear end of the two groups of L-shaped connecting rods is rotatably connected with a third gear through a rotating shaft, the outer side of the third gear is in meshing connection with a toothed circular plate, the rear end of the toothed circular plate is in sliding connection with one of the two groups of storage plates, the end close to each other of the two groups of third gears is fixedly connected with a rotating rod through a rotating shaft, and the end close to each other of the two groups of rotating rods is provided with an acoustic sensor.
[0014] Compared with the prior art, the epoxy adhesive bonding force testing device has the following beneficial effects:
[0015] 1. The first annular plate and the second annular plate drive three groups of test plates synchronously through the limiting frame, the swing angle is accurate and consistent, the glue cavity sealing compression is ensured to be free of deflection, and the uneven thickness of the glue layer caused by assembly error is eliminated; the linear motion of the moving plate is converted through the first motor driving screw rod, and then the rotation motion of the first annular plate is converted through the push plate, the accurate transmission of the motor torque to the test plate swing is realized, and the motion repeatability is improved; the first gear is engaged with the third annular plate to drive the mounting bracket to revolve, and the second gear is driven to rotate by the toothed belt, so that the synchronous control of the industrial camera surrounding scanning and the power output of the cleaning mechanism is realized.
[0016] 2. The temperature-controlled barrel quantitatively injects glue to the closed cavity formed by the annular baffle and the material storage plate through the pressure bar, the glue layer has no air bubbles and uniform thickness, and parameter fluctuations caused by manual glue coating are avoided; the cured glue layer is synchronously separated by three test plates, the pressure sensor collects multiple force value data in real time, the adhesion strength difference of different areas can be compared, and local defects can be identified; the outer wall deformation and leakage are scanned by the industrial camera, and the acoustic sensor spirally detects the inner cavity filling state, so that the "visual measurement + intelligent detection" integration is achieved, and the integrity of the glue layer is verified twice.
[0017] 3. The inclined sliding bar periodically extrudes the pin compression spring, and after energy storage and release, it pushes the push rod to drive the polishing ring to provide impact cleaning power to eject the glue scraping, the impact cleaning efficiency is greatly improved than manual cleaning; the glue layer is softened by the heating wire in the polishing ring, and the broken blade rotates in the transverse assembly groove to cut, solving the problem of hardening glue residue, and cleaning is more thorough; the L-shaped connecting rod drives the third gear to revolve and mesh with the self-rotation, driving the acoustic sensor to spirally scan the inner wall, which can quickly complete the detection of the inner surface of the whole cavity. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0019] Figure 2 It is a schematic diagram of the overall structure of the measuring mechanism of the present application;
[0020] Figure 3 It is a schematic diagram of the overall structure of the measuring mechanism of the present application;
[0021] Figure 4 It is a schematic diagram of the overall structure of the measuring mechanism of the present application;
[0022] Figure 5 It is a schematic diagram of the overall structure of the maintenance mechanism of the present application;
[0023] Figure 6 It is a schematic diagram of the overall structure of the maintenance mechanism of the present application; Figure 1 ;
[0024] Figure 7 It is a schematic diagram of the overall structure of the maintenance mechanism of the present application; Figure 2 ;
[0025] Figure 8 It is a schematic diagram of the overall structure of the maintenance mechanism of the present application; Figure 3 .
[0026] In the figure: 1, workbench; 2, first motor; 3, measuring mechanism; 31, moving assembly; 311, threaded rod; 312, moving plate; 313, push plate; 314, first annular plate; 315, second annular plate; 316, limiting frame; 317, test plate; 318, pressure sensor; 32, storage assembly; 321, annular baffle; 322, storage plate; 323, temperature control cylinder; 324, first electric telescopic rod; 325, pressing rod; 4, maintenance mechanism; 41, cleaning assembly; 411, third annular plate; 412, mounting bracket; 413, second motor; 414, first gear; 415, second electric telescopic rod; 416, mounting plate; 417, industrial camera; 418, connecting block; 419, clamping tooth belt; 4110, second gear; 4111, spring; 4112, fixed rotating shaft; 4113, fixed cylinder; 4114, moving cylinder; 4115, pin; 4116, moving rotating shaft; 4117, inclined slide; 4118, third electric telescopic rod; 4119, crushing blade; 4120, push rod; 4121, connecting rod; 4122, polishing ring; 42, detection assembly; 421, L-shaped connecting rod; 422, third gear; 423, clamping circular plate; 424, rotating rod; 425, acoustic sensor. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be clearly and completely described in connection with the drawings of the embodiments of the present application.
[0028] The following electrical elements are electrically connected through the PLC controller of the peripheral device.
[0029] Please refer to Figures 1-8 An epoxy adhesive bonding force testing device, comprising a workbench 1, a first motor 2 is installed at the front end of the workbench 1, an assembly hole is formed on the outer side of the workbench 1, a measuring mechanism 3 for testing bonding is arranged on the inner side of the assembly hole of the workbench 1, and a maintenance mechanism 4 for processing solid glue is arranged on the inner side of the measuring mechanism 3.
[0030] In this embodiment, the measuring mechanism 3 comprises a moving assembly 31 for detecting tension, and the measuring mechanism 3 further comprises a storage assembly 32 for outputting glue.
[0031] Specifically, the moving assembly 31 drives the test component to produce relative motion through mechanical transmission, simulates the peeling process of the bonding surface, and cooperates with the sensor to collect tension data; the storage assembly 32 is responsible for storing and temperature controlling the epoxy adhesive, and forms a sealed space through structural cooperation to realize uniform filling of the glue, thereby providing a stable sample basis for bonding test.
[0032] In the embodiment, the moving assembly 31 comprises a threaded rod 311 fixedly connected with the output shaft of the first motor 2, a moving plate 312 threadedly connected with the outer side of the threaded rod 311, a push plate 313 rotatably connected with the rear end of the moving plate 312 through a rotating shaft, a first annular plate 314 fixedly connected with the lower end of the push plate 313, and a second annular plate 315 fixedly connected with the front end of the first annular plate 314 through a connecting plate.
[0033] Specifically, the first motor 2 drives the threaded rod 311 to rotate, drives the moving plate 312 to translate through threaded transmission, and drives the first annular plate 314 to rotate in the assembly hole of the workbench 1 through the push plate 313; the first annular plate 314 and the second annular plate 315 synchronously rotate through the connecting plate, and jointly provide stable support and guidance for the movement of the subsequent limiting frame 316 and the test plate 317, to ensure the accuracy of the transmission process.
[0034] In the embodiment, the rear end of the second annular plate 315 is rotatably connected with three groups of limiting frames 316 through rotating shafts, the rear end of each limiting frame 316 is rotatably connected with the first annular plate 314 through a rotating shaft, the inner side of each limiting frame 316 is slidably connected with a test plate 317, the rear end of each test plate 317 is rotatably connected with the workbench 1 through a rotating shaft, and one side of each test plate 317 is provided with a pressure sensor 318.
[0035] Specifically, when the first annular plate 314 and the second annular plate 315 rotate, the test plate 317 is driven by the limiting frame 316 to swing around the workbench 1 rotating shaft as a fulcrum; the limiting frame 316 limits the sliding track of the test plate 317, to ensure the synchronous movement of the three groups of test plates 317; and the pressure sensor 318 monitors the adhesive surface peeling force value in real time when the test plate 317 separates, to record multiple groups of data to improve the test accuracy.
[0036] In the embodiment, the storage assembly 32 comprises an annular baffle 321 fixedly connected with one of the three groups of test plates 317, the outer side of the annular baffle 321 is provided with a feeding pipe, the upper end of the feeding pipe of the annular baffle 321 is provided with a temperature control barrel 323, two groups of first electric telescopic rods 324 are installed on the upper end of the temperature control barrel 323 through a supporting plate, a pressing rod 325 is slidably connected with the inner side of the temperature control barrel 323, the output shafts of the two groups of first electric telescopic rods 324 are fixedly connected with the pressing rod 325, the front and rear ends of the annular baffle 321 are provided with symmetrically arranged storage plates 322, the outer sides of the two groups of storage plates 322 are respectively fixedly connected with the other two groups of test plates 317 in the three groups of test plates 317, and the inner side of the storage plate 322 close to the front in the two groups of storage plates 322 is respectively provided with a horizontal assembly groove and an annular assembly groove.
[0037] Specifically, the annular baffle 321 and the two groups of material storage plates 322 form a sealed glue storage space after being attached to the test plate 317; the temperature control barrel 323 quantitatively delivers the epoxy adhesive to the glue storage space through the feeding pipe, and controls the glue temperature to reduce bubbles; the first electric telescopic rod 324 drives the material pressing rod 325 to realize the extraction and discharge of the glue; the transverse assembly groove and the annular assembly groove of the material storage plate 322 provide movement channels for the broken blade 4119 and the polishing ring 4122 respectively, facilitating subsequent cleaning operation.
[0038] In the embodiment, the maintenance mechanism 4 includes a cleaning assembly 41 for cleaning solidified glue, and further includes a detection assembly 42 for detecting the glue filling state of the inner wall.
[0039] Specifically, the cleaning assembly 41 is responsible for scraping, cutting and softening treatment of the residual solidified glue after testing, so as to avoid the influence of residual glue on the next test precision; the detection assembly 42 monitors the filling uniformity of the glue storage space and the state of the bonding surface through a sensor, to provide auxiliary verification for the accuracy of test data.
[0040] In the embodiment, the cleaning assembly 41 includes a third annular plate 411 fixedly connected with the second annular plate 315, a sliding groove is formed around the inner wall of the third annular plate 411, a mounting bracket 412 is movably connected with the outer side of the third annular plate 411 through the sliding groove, a second motor 413 is installed at the front end of the mounting bracket 412, a first gear 414 is rotatably connected with the inner side of the mounting bracket 412 through a rotating shaft, the output shaft of the second motor 413 is fixedly connected with the first gear 414, the outer side of the first gear 414 is meshingly connected with the third annular plate 411, two groups of second electric telescopic rods 415 are installed at the lower end of the mounting bracket 412, a mounting plate 416 is fixedly connected with the outer side of the housings of the two groups of second electric telescopic rods 415, an industrial camera 417 is arranged on the inner side of the mounting plate 416, a connecting block 418 is fixedly connected with the output shaft of each of the two groups of second electric telescopic rods 415, and a toothed belt 419 is fixedly connected with the lower ends of the two groups of connecting blocks 418.
[0041] Specifically, the third annular plate 411 provides a revolution track for the mounting bracket 412; the second motor 413 drives the first gear 414 to meshingly rotate along the third annular plate 411, to realize the revolving movement of the mounting bracket 412; the second electric telescopic rod 415 adjusts the height of the toothed belt 419 through the connecting block 418, so that the toothed belt 419 is meshed or separated from the second gear 4110; the industrial camera 417 revolves with the mounting bracket 412, scans the outer wall of the glue storage cavity, and monitors the deformation and leakage.
[0042] In the embodiment, the cleaning assembly 41 further comprises a fixed cylinder 4113 fixedly connected with one of the two groups of storage plates 322, the inner wall of the fixed cylinder 4113 is provided with a limiting plate, the inner side of the fixed cylinder 4113 is slidably connected with a moving cylinder 4114, the outer side of the moving cylinder 4114 is fixedly connected with two groups of symmetrical pins 4115, the ends of the two groups of pins 4115 away from each other are in close contact with the fixed cylinder 4113, the inner side of the moving cylinder 4114 is rotatably connected with a fixed shaft 4112, the outer side of the fixed shaft 4112 is rotatably connected with the fixed cylinder 4113, the rear end of the fixed shaft 4112 is fixedly connected with a second gear 4110, the outer side of the second gear 4110 is engaged with the clamping teeth of the clamping tooth belt 419, the outer side of the fixed shaft 4112 is provided with a spring 4111, one end of the spring 4111 is fixedly connected with the moving cylinder 4114, and the other end of the spring 4111 is slidably connected with the fixed cylinder 4113.
[0043] Specifically, the fixed cylinder 4113 provides support and limiting for the moving cylinder 4114 and the fixed shaft 4112; the clamping tooth belt 419 drives the second gear 4110 to rotate, thereby driving the fixed shaft 4112 to rotate; when the fixed shaft 4112 rotates, the moving cylinder 4114 is compressed to store energy and then quickly resets through the cooperation of the inclined slide 4117 and the pin 4115, thereby realizing reciprocating motion and providing power for subsequent cleaning components.
[0044] In the embodiment, the inner side of the moving cylinder 4114 at the front end of the fixed shaft 4112 is fixedly connected with a moving shaft 4116, the outer side of the moving shaft 4116 is in close contact with the ends of the two groups of pins 4115, the outer side of the moving shaft 4116 is fixedly connected with two groups of symmetrical inclined slides 4117, the two groups of inclined slides 4117 are slidably connected with the outer sides of the two groups of pins 4115, the rear end of the moving shaft 4116 is provided with a third electric telescopic rod 4118, the shell of the third electric telescopic rod 4118 is rotatably connected with the moving cylinder 4114, the output shaft of the third electric telescopic rod 4118 is rotatably connected with one of the two groups of storage plates 322, the output shaft of the third electric telescopic rod 4118 is fixedly connected with a broken blade 4119, the broken blade 4119 is slidably connected to the inner side of the transverse assembly groove of the storage plate 322, the rear end of the moving cylinder 4114 is fixedly connected with two groups of symmetrical push rods 4120, the push rods 4120 are slidably connected to the inner side of the storage plate 322, the rear end of each push rod 4120 is fixedly connected with a connecting rod 4121, the ends of the two groups of connecting rods 4121 away from each other are fixedly connected with a polishing ring 4122, the polishing ring 4122 is slidably connected to the inner side of the annular assembly groove of the storage plate 322, and the inner side of the polishing ring 4122 is provided with an electric heating wire.
[0045] Specifically, the mobile rotating shaft 4116 rotates with the fixed rotating shaft 4112, pushes the pin 4115 through the inclined sliding bar 4117, controls the reciprocating movement of the mobile cylinder 4114, the push rod 4120 drives the connecting rod 4121 and the polishing ring 4122 to slide along the annular assembly groove, the polishing ring 4122 scrapes off the residual glue after the electric heating wire softens the residual glue, the third electric telescopic rod 4118 drives the broken blade 4119 to extend and rotate along the transverse assembly groove, cuts the residual glue, and realizes the overall cleaning of the glue storage space.
[0046] In the embodiment, the detection assembly 42 includes two groups of symmetrical L-shaped connecting rods 421, one side close to each other of the two groups of L-shaped connecting rods 421 is fixedly connected with the fixed rotating shaft 4112, the rear end of the two groups of L-shaped connecting rods 421 is rotatably connected with the third gear 422 through a rotating shaft, the outer side of the third gear 422 is meshingly connected with the toothed circular plate 423, the rear end of the toothed circular plate 423 is slidably connected with one group of the storage plates 322, one end close to each other of the two groups of third gears 422 is fixedly connected with the rotating rod 424 through a rotating shaft, and one end close to each other of the two groups of rotating rods 424 is provided with the acoustic sensor 425.
[0047] Specifically, the fixed rotating shaft 4112 drives the L-shaped connecting rod 421 to rotate, so that the third gear 422 revolves around the toothed circular plate 423 and revolves by itself; the third gear 422 drives the acoustic sensor 425 to move in a circle through the rotating rod 424, detects the uniformity of glue filling, bubbles and residual state of the inner wall of the glue storage space by using sound waves, and improves the accuracy of preparation before testing and evaluation after testing.
[0048] The working principle is as follows: in use, two groups of first electric telescopic rods 324 are started to drive the pressing rod 325 to ascend in the temperature control barrel 323, draw the epoxy adhesive into the barrel, and control the temperature; then the first motor 2 is started, the output shaft of the first motor 2 drives the threaded rod 311 to rotate, the threaded rod 311 drives the moving plate 312 to move through the threaded drive, the moving plate 312 drives the push plate 313 to move through the rotating shaft, the push plate 313 drives the first annular plate 314 to rotate on the inner side of the workbench 1, the first annular plate 314 rotates and drives the test plate 317 to swing through the limiting frame 316, one end of the test plate 317 is connected with the workbench 1 through the rotating shaft, so the test plate 317 can only swing, the second annular plate 315 limits the position of the limiting frame 316 and the test plate 317 to avoid deflection and eliminate the shear force error caused by different steps, the test plate 317 is set to swing to realize the centering and close pressing of the two groups of storage plates 322 and the annular baffle 321, so as to form a complete storage space, the temperature control barrel 323 is clamped in the feeding pipe of the annular baffle 321, the first electric telescopic rod 324 is started to discharge a certain amount of epoxy adhesive into the annular baffle 321 and the storage plate 322, the epoxy adhesive extruded after temperature control and sealing can greatly reduce the appearance of bubbles, improve the bonding effect, and avoid the inaccuracy caused by uneven coating, after the epoxy adhesive is cooled and bonded, the test plate 317 is swung and reset by starting the first motor 2 again, three groups of test plates 317 are separated and pulled synchronously, the pressure sensor 318 installed on the side of the test plate 317 records the peeling force value in real time during the fracture of the adhesive layer, outputs multiple bonding strength data, avoids single data, and improves the test efficiency.
[0049] After the test is completed, the annular baffle 321 and the material storage plate 322 are again aligned in the middle, the second electric telescopic rod 415 is started, the output shaft drives the toothed belt 419 to lift up and tightly engage with the second gear 4110, the second motor 413 drives the first gear 414 to rotate, the mounting bracket 412 revolves around the sliding groove of the third annular plate 411, driving the industrial camera 417 to revolve around the outer wall of the storage cavity to monitor deformation and leakage, the mounting bracket 412 drives the toothed belt 419 to revolve around through the second electric telescopic rod 415, the toothed belt 419 drives the second gear 4110 to rotate, the second gear 4110 drives the fixed rotating shaft 4112 to rotate in the fixed cylinder 4113, when the fixed rotating shaft 4112 rotates, it drives the moving rotating shaft 4116 to rotate, the moving rotating shaft 4116 drives the inclined sliding strip 4117 to rotate, when the inclined sliding strip 4117 rotates, it can press down the dowel pin 4115 through the change of the inclined surface, the dowel pin 4115 drives the moving cylinder 4114 to move down and compress the spring 4111, so that the spring 4111 gradually accumulates force, when the spring 4111 is compressed to the lowest position, at the same time, the inclined sliding strip 4117 of the moving rotating shaft 4116 also moves to the gap part, at this time, the dowel pin 4115 is misaligned with the inclined sliding strip 4117 and loses the block, the elastic force of the spring 4111 is released instantly, so that the moving cylinder 4114 drives the push rod 4120 to pop up backward, so that the push rod 4120 leaves the annular assembly groove in the material storage plate 322 through the connecting rod 4121 to clean and scrape the glue layer on the inner wall of the material storage plate 322, then the inclined sliding strip 4117 continues to rotate to again adhere and press the dowel pin 4115 to accumulate force again, so as to realize reciprocating cleaning, when the moving rotating shaft 4116 rotates, it drives the third electric telescopic rod 4118 to rotate, the third electric telescopic rod 4118 drives the broken blade 4119 to leave the transversely assembled groove inside the material storage plate 322, and through rotation, it rotates and cuts the epoxy coating inside the two groups of material storage plates 322 and the annular baffle 321 to remove the residual glue, so as to avoid affecting the next test and greatly improve the cleaning efficiency, when the second electric telescopic rod 415 drives the industrial camera 417 to revolve around through the mounting plate 416, it can measure whether the deformation occurs outside the annular baffle 321 and the material storage plate 322 during the adhesion test, and detect whether the liquid leakage occurs at the joint of the annular baffle 321 and the material storage plate 322;
[0050] When the fixed rotating shaft 4112 rotates, it drives the L-shaped connecting rod 421 to rotate, and the L-shaped connecting rod 421 drives the third gear 422 to revolve. The third gear 422 is engaged with the toothed circular plate 423, so that when the third gear 422 revolves, it synchronously rotates. When the third gear 422 rotates, it drives the acoustic sensor 425 to rotate around through the rotating rod 424. The acoustic sensor 425 detects the state of the cavity between the annular baffle 321 and the inner wall of the storage plate 322 by using sound waves. Before testing, the acoustic sensor 425 can also detect the filling state of the inside of the storage plate 322, so that the test data is more accurate.
[0051] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, which is defined by the appended claims and their equivalents.
Claims
1. An epoxy adhesive bonding force testing device, comprising a worktable, characterized in that: A first motor is mounted on the front end of the workbench. An assembly hole is provided on the outer side of the workbench. A measuring mechanism for testing adhesion is provided inside the assembly hole. The measuring mechanism includes a moving component for detecting tensile force and a material storage component for dispensing adhesive. The moving component includes a threaded rod fixedly connected to the output shaft of the first motor. A moving plate is threadedly connected to the outer side of the threaded rod. A push plate is rotatably connected to the rear end of the moving plate via a rotating shaft. A first annular plate is fixedly connected to the lower end of the push plate. The first annular plate is rotatably connected to the inner side of the assembly hole on the workbench. A second annular plate is fixedly connected to the front end of the first annular plate via a connecting plate. Three sets of limiting frames are rotatably connected to the rear end of the second annular plate via a rotating shaft. The rear end of each limiting frame is rotatably connected to the first annular plate via a rotating shaft. A test plate is slidably connected to the inner side of the test plate. The rear end of the test plate is rotatably connected to the worktable via a rotating shaft. A pressure sensor is provided on one side of the test plate. The storage assembly includes an annular baffle fixedly connected to one of the three test plates. A feed pipe is provided on the outer side of the annular baffle. A temperature-controlled material cylinder is provided at the upper end of the feed pipe of the annular baffle. Two sets of first electric telescopic rods are installed at the upper end of the temperature-controlled material cylinder via a support plate. A pressure rod is slidably connected to the inner side of the temperature-controlled material cylinder. The output shafts of the two sets of first electric telescopic rods are fixedly connected to the pressure rod. Symmetrical storage plates are provided at both the front and rear ends of the annular baffle. The outer sides of the two sets of storage plates are fixedly connected to the other two sets of the three test plates. A transverse assembly groove and an annular assembly groove are respectively opened on the inner side of the storage plate closer to the front of the two sets of storage plates.
2. The epoxy adhesive bonding force testing device according to claim 1, characterized in that: The measuring mechanism is provided with a maintenance mechanism for handling solid adhesive on its inner side. The maintenance mechanism includes a cleaning component for cleaning solid adhesive and a detection component for detecting the adhesive filling status of the inner wall.
3. The epoxy adhesive bonding force testing device according to claim 2, characterized in that: The cleaning assembly includes a third annular plate fixedly connected to the second annular plate. A groove is formed around the inner wall of the third annular plate. A mounting bracket is movably connected to the outer side of the third annular plate via the groove. A second motor is mounted at the front end of the mounting bracket. A first gear is rotatably connected to the inner side of the mounting bracket via a rotating shaft. The output shaft of the second motor is fixedly connected to the first gear. The outer side of the first gear meshes with the third annular plate. Two sets of symmetrical second electric telescopic rods are mounted at the lower end of the mounting bracket. A mounting plate is fixedly connected to the outer side of the housing of both sets of second electric telescopic rods. An industrial camera is mounted on the inner side of the mounting plate. Connecting blocks are fixedly connected to the output shafts of both sets of second electric telescopic rods. A toothed belt is fixedly connected to the lower ends of both sets of connecting blocks.
4. The epoxy adhesive bonding force testing device according to claim 3, characterized in that: The cleaning assembly also includes a fixed cylinder fixedly connected to one of the two sets of storage plates. The inner wall of the fixed cylinder is provided with a limit plate. A movable cylinder is slidably connected to the inner side of the fixed cylinder. Two sets of symmetrical pins are fixedly connected to the outer side of the movable cylinder. The ends of the two sets of pins that are far apart are in contact with the fixed cylinder. A fixed rotating shaft is rotatably connected to the inner side of the movable cylinder. The outer side of the fixed rotating shaft is rotatably connected to the fixed cylinder. A second gear is fixedly connected to the rear end of the fixed rotating shaft. The outer side of the second gear meshes with the teeth of the toothed belt. A spring is provided on the outer side of the fixed rotating shaft. One end of the spring is fixedly connected to the movable cylinder, and the other end of the spring is slidably connected to the fixed cylinder.
5. The epoxy adhesive bonding force testing device according to claim 4, characterized in that: The movable shaft is fixedly connected inside the movable cylinder at the front end of the fixed rotating shaft. The outer side of the movable shaft is respectively abutted against the end of two sets of pins. Two sets of symmetrical inclined slide bars are fixedly connected to the outer side of the movable shaft. The two sets of inclined slide bars are slidably connected to the outer side of the two sets of pins. A third electric telescopic rod is provided at the rear end of the movable shaft. The housing of the third electric telescopic rod is rotatably connected to the movable cylinder. The output shaft of the third electric telescopic rod is rotatably connected to one of the two sets of storage plates. A crushing blade is fixedly connected to the output shaft of the third electric telescopic rod. The crushing blade is slidably connected to the inner side of the transverse assembly groove of the storage plate. Two sets of symmetrical push rods are fixedly connected to the rear end of the movable cylinder. The push rods are slidably connected to the inner side of the storage plate. A connecting rod is fixedly connected to the rear end of each push rod. A grinding ring is fixedly connected to the far end of the two sets of connecting rods. The grinding ring is slidably connected to the inner side of the annular assembly groove of the storage plate. An electric heating wire is provided on the inner side of the grinding ring.
6. The epoxy adhesive bonding force testing device according to claim 5, characterized in that: The detection assembly includes two sets of symmetrical L-shaped connecting rods. The sides of the two sets of L-shaped connecting rods that are close to each other are fixedly connected to a fixed rotating shaft. The rear ends of the two sets of L-shaped connecting rods are rotatably connected to a third gear through the rotating shaft. A toothed circular plate is meshed with the outer side of the third gear. The rear end of the toothed circular plate is slidably connected to one of the two sets of storage plates. The ends of the two sets of third gears that are close to each other are fixedly connected to a rotating rod through the rotating shaft. An acoustic sensor is provided at the ends of the two sets of rotating rods that are close to each other.
Citation Information
Patent Citations
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