CN216622118U

CN216622118U - Holding power testing arrangement with timing function

Info

Publication number: CN216622118U
Application number: CN202123298970.9U
Authority: CN
Inventors: 林荣利; 陈宏桂; 李航
Original assignee: Xinli Photoelectric Renshou Co Ltd
Current assignee: Xinli Photoelectric Renshou Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-27
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a holding force testing device with a timing function, which comprises a bottom plate, support columns, a mounting plate, a timer, induction components, a testing component and a cross rod, wherein the top of the bottom plate is provided with two symmetrically arranged support columns, one surface opposite to the two support columns is provided with the cross rod and the testing component arranged on the cross rod, the top of the bottom plate is provided with the mounting plate and a plurality of induction components arranged on the mounting plate, and the top of the mounting plate is provided with the timer; the device can accurately judge the time of separation and falling of the test component, and displays the time on the time display screen of the timer, so that the device is convenient for workers to check, is convenient to install, low in production cost, capable of testing a plurality of test samples, and simple and rapid to operate.

Description

Holding power testing arrangement with timing function

Technical Field

The application relates to the technical field of testing instruments, in particular to a holding power testing device with a timing function.

Background

The mobile phone display module is adhered with various adhesive materials such as conductive double-sided adhesive, conductive copper foil, insulating protection paper and the like. The retention force of the adhesive material is an important property of the adhesive material, and is an important index for investigating whether the adhesive material is firmly adhered or not. The industry has tested the retention of viscous materials by suspending a mass of material from a test piece and examining the time that the test piece separates and falls off. However, since the time span considered is too large, recording is generally performed by observing once every 24 hours, and therefore, the time at which the test piece is separated and detached cannot be accurately determined. Therefore, the utility model discloses a timing holding force testing device which can accurately record the holding force holding time of a viscous material.

Disclosure of Invention

The utility model aims to: the holding force testing device with the timing function solves the problems that the time span considered in testing a viscous material is large, and the time for separating and falling off a test piece cannot be accurately judged.

The technical scheme of the utility model is as follows: a holding force testing device with a timing function comprises a bottom plate, supporting columns, a mounting plate, a timer, sensing assemblies, a testing assembly and a cross rod, wherein the top of the bottom plate is provided with two symmetrically arranged supporting columns, one side, opposite to the two supporting columns, of the bottom plate is provided with the cross rod and the testing assembly arranged on the cross rod, the top of the bottom plate is provided with the mounting plate and a plurality of sensing assemblies arranged on the mounting plate, and the top of the mounting plate is provided with the timer;

the induction component comprises a sleeve and a permanent magnet arranged inside the sleeve, the outer wall of the permanent magnet is sleeved with a spring, one side of the permanent magnet, which deviates from the spring, is glued with a copper sheet, one side of the copper sheet is contacted with two copper columns, one end of the sleeve is screwed with a screw cap, and the other end of the sleeve is fixed with a fixed round block.

The sensing assembly is simple in structure, the permanent magnet, the spring, the copper sheet, the copper column, the lead and the timer are matched, the adhesion force of a test sample can be accurately detected, and the manufacturing cost is low.

As a preferred embodiment of the holding power testing apparatus with a timing function provided by the present invention, the mounting plate is mounted on the top end surface of the bottom plate by screws, the outer wall of the mounting plate is provided with a plurality of circular through holes with uniform size, the number of the circular through holes is the same as that of the sensing assemblies, and the sensing assemblies are clamped in the circular through holes. The induction assembly is installed in a clamping mode, and the clamping connection structure is simple, quick and convenient.

As a preferred embodiment of the holding power testing device with the timing function provided by the utility model, a plurality of U-shaped plates are fixedly mounted on the top of the mounting plate through screws, the number of the U-shaped plates corresponds to that of the sensing assemblies, and the timer is clamped in a hollow groove of the U-shaped plate.

The timer is clamped in the U-shaped plate, the assembly is convenient, and the timer cannot fall off from the bottom plate and is damaged when external force is applied.

As a preferred embodiment of the holding power test device with the timing function provided by the present invention, the outer wall of the timer is provided with a time display screen and a switch.

As a preferred embodiment of the retention test device with a timer function according to the present invention, one of the two copper pillars is connected to one end of a first wire, the other copper pillar is connected to one end of a second wire, and the other ends of the first wire and the second wire are connected to a timer.

As a preferred embodiment of the retention test device with timing function provided by the present invention, two symmetrically disposed mounting disks are disposed on the top of the bottom plate, the two mounting disks are both screwed on the top of the bottom plate through screw fixation, the supporting columns are fixed by the mounting disks in a sleeved manner, the outer walls of the two supporting columns are both sleeved with mounting blocks, the outer walls of the mounting blocks are provided with fixing knobs, the mounting blocks are fixed on the outer walls of the supporting columns through the fixing knobs, and the cross bar is fixed on the opposite surfaces of the two mounting blocks through fixing pieces and screws at the two ends of the cross bar. The fixing connection of bolts, screws and the like is adopted, the installation is convenient, and the cost is low.

As a preferred embodiment of the holding force testing device with the timing function provided by the utility model, the outer wall of the cross bar is provided with a plurality of through holes, the testing component comprises a first steel sheet fixed through bolts and the through holes, the bottom of the first steel sheet is contacted with a second steel sheet, a testing sample is adhered to the same surface of the first steel sheet and the second steel sheet, the position of the second steel sheet close to the bottom side is provided with the through holes, and weights are hung in the through holes.

And attaching the test sample to the first steel sheet and the second steel sheet, and hanging weights on the second steel sheet. When the weight hung on the second steel sheet approaches the induction assembly, the permanent magnet moves to the position of the weight under the action of magnetic force to drive the copper sheet to move together in the direction close to the weight, the spring is compressed, the copper sheet is separated from the copper column at the moment, the first lead and the second lead are in an open circuit state, and the timer starts to time; when the test sample is separated from the steel sheet, the weight hung on the second steel sheet falls down and is far away from the induction component. After the weight drops, the weight is too far away from the permanent magnet, the magnetic force cannot offset the elastic force of the spring, the permanent magnet is rebounded to the original position by the spring, the copper sheet is pushed to compress the copper column, the first lead is communicated with the second lead, the timer detects that the first lead and the second lead are in a passage state, timing is stopped, and the time displayed by the time display screen is maintained at the time of stopping timing and does not change any more. This time is the time during which the retention force of the test sample is maintained.

In addition, be provided with more than one test assembly on the horizontal pole, its each test assembly all has an induction component and time-recorder to detect it, and detection efficiency is high.

As a preferred embodiment of the holding force testing device with a timing function provided by the present invention, a cast iron weight is used as the weight.

As a preferred embodiment of the holding force testing device with a timing function provided by the present invention, a soft pad is placed on the top of the bottom plate, a baffle plate is fixed on the top of the bottom plate by screws, and one end surface of the baffle plate is in contact with the soft pad. When the weight falls on the cushion, can slide down on the cushion, mounting panel, baffle and two support columns enclose the cushion, avoid the weight to collide with other positions and lead to the weight to damage.

As a preferred embodiment of the holding power testing apparatus with a timing function provided by the present invention, at least four supporting seats are disposed on the bottom end surface of the bottom plate, and rubber blocks are mounted on the bottoms of the supporting seats.

Compared with the prior art, the utility model has the beneficial effects that:

the device can accurately judge the time of separation and falling of the test component, and displays the time on the time display screen of the timer, so that the device is convenient for workers to check, is convenient to install, low in production cost, capable of testing a plurality of test samples, and simple and rapid to operate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a first stereoscopic structure according to the present invention;

FIG. 2 is a schematic structural diagram of a second stereoscopic viewing angle of the present invention;

FIG. 3 is a schematic structural diagram of a third stereoscopic viewing angle of the present invention;

FIG. 4 is a schematic view of the position structure of the diagram A of the present invention;

FIG. 5 is an enlarged view of the position A in FIG. 4;

wherein: 1. a base plate; 2. a support pillar; 3. mounting a plate; 4. a timer; 5. an inductive component; 6. testing the component; 7. a time display screen; 8. a switch; 9. a first conductive line; 10. a second conductive line; 11. a U-shaped plate; 12. mounting a disc; 13. mounting blocks; 14. a cross bar; 15. fixing the knob; 16. a soft cushion; 17. a baffle plate; 18. a supporting seat; 501. a sleeve; 502. screwing a cover; 503. a permanent magnet; 504. a spring; 505. a copper sheet; 506. a copper pillar; 507. and fixing the round block.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1, 2, 3, 4, and 5, the embodiment provides a holding force testing apparatus with a timing function, including a bottom plate 1, support columns 2, a mounting plate 3, a timer 4, a sensing assembly 5, a testing assembly 6, and a cross bar 14, where the top of the bottom plate 1 is provided with two symmetrically arranged support columns 2, one side of the two support columns 2 opposite to each other is provided with the cross bar 14 and the testing assembly 6 arranged on the cross bar 14, the top of the bottom plate 1 is provided with the mounting plate 3 and a plurality of sensing assemblies 5 arranged on the mounting plate 3, and the top of the mounting plate 3 is provided with the timer 4;

the induction component 5 comprises a sleeve 501 and a permanent magnet 503 arranged inside the sleeve 501, the outer wall of the permanent magnet 503 is sleeved with a spring 504, one side of the permanent magnet 503, which is far away from the spring 504, is glued with a copper sheet 505, one side of the copper sheet 505 is contacted with two copper columns 506, one end of the sleeve 501 is screwed with a screw cap 502, and the other end of the sleeve 501 is fixed with a fixed round block 507.

Specifically, a plurality of circular through holes with uniform sizes are formed in the outer wall of the mounting plate 3, the circular through holes are the same as the sensing assemblies 5 in number, and the sensing assemblies 5 are clamped in the circular through holes. The top of mounting panel 3 passes through screw fixed mounting has a plurality of U-shaped board 11, and U-shaped board 11 corresponds with the quantity of response subassembly 5, and 4 joints of time-recorder are in the dead slot of U-shaped board 11. The outer wall of the timer 4 is provided with a time display 7 and a switch 8.

One of the two copper pillars 506 is connected to one end of a first wire 9, the other copper pillar 506 is connected to one end of a second wire 10, and the other ends of the first wire 9 and the second wire 10 are connected to the timer 4.

Example 2

Based on embodiment 1, further optimization is performed, as shown in fig. 1, a plurality of through holes are formed in the outer wall of the cross rod 14, the test assembly 6 comprises a first steel sheet 601 fixed through bolts and the through holes, a second steel sheet 602 is contacted with the bottom of the first steel sheet 601, a test sample 603 is adhered to the same surface of the first steel sheet 601 and the second steel sheet 602, the through holes are formed in the positions, close to the bottom side, of the second steel sheet 602, and weights 604 are hung in the through holes.

Example 3

As the further optimization and improvement of embodiment 2, the top of bottom plate is provided with two mounting discs 12 that the symmetry set up, two mounting discs all connect at the bottom plate top through the screw fixation soon, support column 2 cup joints fixedly through the mounting disc, the outer wall of two support columns all has cup jointed installation piece 13, the outer wall of installation piece is provided with fixed knob 15, the installation piece passes through fixed knob to be fixed at the outer wall of support column, the horizontal pole is through the stationary blade and the relative one side of screw fixation at its both ends at two installation pieces. The fixing connection of bolts, screws and the like is adopted, the installation is convenient, and the cost is low.

The weight 604 is a cast iron weight; the top of bottom plate 1 has placed cushion 16, and the top of bottom plate 1 still is provided with baffle 17 through the screw fixation, and an terminal surface and the cushion 16 contact of baffle 17. The bottom end face of the bottom plate 1 is provided with at least four supporting seats 18, and rubber blocks are mounted at the bottoms of the supporting seats 18.

When the weight falls onto the soft cushion, the weight can slide off the soft cushion, the soft cushion is surrounded by the mounting plate, the baffle and the two support columns, and the weight is prevented from colliding with other positions to be damaged; the rubber block at the bottom of the supporting seat increases the friction force between the device and the workbench, so that the device is stable.

Compared with the prior art, the device can accurately judge the time of separation and falling of the test component, displays the time on the time display screen of the timer, is convenient for a worker to check, is convenient to install, has low production cost, can test a plurality of test samples, and is simple and rapid to operate.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

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

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

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the utility model and do not limit the scope of the utility model. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. The utility model provides a holding power testing arrangement with timing function, includes bottom plate (1), support column (2), mounting panel (3), time-recorder (4), response subassembly (5), test component (6) and horizontal pole (14), its characterized in that: the top of the bottom plate (1) is provided with two symmetrically arranged supporting columns (2), one opposite side of the two supporting columns (2) is provided with a cross rod (14) and a testing component (6) arranged on the cross rod (14), the top of the bottom plate (1) is provided with an installation plate (3) and a plurality of induction components (5) arranged on the installation plate (3), and the top of the installation plate (3) is provided with a timer (4);

response subassembly (5) include sleeve (501) and set up permanent magnet (503) in sleeve (501) inside, spring (504) have been cup jointed to the outer wall of permanent magnet (503), one side that permanent magnet (503) deviate from spring (504) is glued and is had copper sheet (505), one side contact of copper sheet (505) has two copper posts (506), the screw cap (502) have been connect soon to the one end screw thread of sleeve (501), the other end of sleeve (501) is fixed with fixed round piece (507).

2. The holding power testing device with the timing function according to claim 1, wherein the mounting plate (3) is mounted on the top end surface of the bottom plate (1) through screws, a plurality of circular through holes with uniform sizes are formed in the outer wall of the mounting plate (3), the number of the circular through holes is the same as that of the sensing assemblies (5), and the sensing assemblies (5) are clamped in the circular through holes.

3. The holding power testing device with the timing function according to claim 1, wherein a plurality of U-shaped plates (11) are fixedly mounted on the top of the mounting plate (3) through screws, the number of the U-shaped plates (11) corresponds to the number of the sensing assemblies (5), and the timer (4) is clamped in a hollow groove of the U-shaped plates (11).

4. A holding power test device with a timer function according to claim 3, wherein the outer wall of the timer (4) is provided with a time display screen (7) and a switch (8).

5. The device for testing holding power with time counting function according to claim 1, wherein one copper cylinder (506) of said two copper cylinders (506) is connected to one end of a first wire (9), said other copper cylinder (506) is connected to one end of a second wire (10), and the other ends of said first wire (9) and said second wire (10) are connected to a timer (4).

6. The holding power testing device with the timing function according to claim 1, wherein two symmetrically arranged mounting discs (12) are arranged at the top of the bottom plate (1), the two mounting discs (12) are screwed on the top of the bottom plate (1) through screws, the supporting columns (2) are fixedly sleeved through the mounting discs (12), mounting blocks (13) are sleeved on the outer walls of the two supporting columns (2), fixing knobs (15) are arranged on the outer walls of the mounting blocks (13), the mounting blocks (13) are fixed on the outer walls of the supporting columns (2) through the fixing knobs (15), and the cross rod (14) is fixed on the opposite surfaces of the two mounting blocks (13) through fixing plates and screws at two ends of the cross rod.

7. The holding force testing device with the timing function according to claim 1, wherein a plurality of through holes are formed in the outer wall of the cross rod (14), the testing component (6) comprises a first steel sheet (601) fixed through a bolt and the through holes, a second steel sheet (602) is contacted with the bottom of the first steel sheet (601), a testing sample (603) is adhered to the same surface of the first steel sheet (601) and the second steel sheet (602), the through holes are formed in the positions, close to the bottom side, of the second steel sheet (602), and weights (604) are hung in the through holes.

8. The device for testing holding force with timing function as claimed in claim 7, wherein the weight (604) is cast iron.

9. The holding force test device with the timing function according to claim 1, wherein a soft pad (16) is placed on the top of the bottom plate (1), a baffle (17) is further fixedly arranged on the top of the bottom plate (1) through screws, and one end face of the baffle (17) is in contact with the soft pad (16).

10. The holding power testing device with the timing function according to claim 1, wherein the bottom end face of the bottom plate (1) is provided with at least four supporting seats (18), and rubber blocks are mounted on the bottoms of the supporting seats (18).