CN213022805U - Module FPC binding tension test fixture - Google Patents
Module FPC binding tension test fixture Download PDFInfo
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- CN213022805U CN213022805U CN202021603097.2U CN202021603097U CN213022805U CN 213022805 U CN213022805 U CN 213022805U CN 202021603097 U CN202021603097 U CN 202021603097U CN 213022805 U CN213022805 U CN 213022805U
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Abstract
The utility model discloses a module FPC binds tensile test tool, include: the object stage comprises a horizontal part and a vertical part which are mutually connected, a module fixing part is arranged on the horizontal part, a push-pull force measuring device is arranged on the surface, opposite to the horizontal part, of the vertical part, the end part of the push-pull force measuring device is connected with a clamping part, and a positioning block is further arranged on the horizontal part and corresponds to the clamping part. The utility model discloses a set up module fixing device and push-and-pull measuring device on the objective table, through carrying out the state of binding that the pulling force detected that can actually detect FPC and liquid crystal glazing to FPC. The problem of need carry out indirect detection FPC and liquid crystal glazing bonding state through ACF solidification rate among the prior art, but can not reflect actual bonding state completely is solved. The utility model discloses a tensile test tool is bound to module FPC simple structure, the cost of manufacture is low, and detection speed is fast, is worth wideling popularize the use.
Description
Technical Field
The utility model relates to a production technical field such as liquid crystal display, OLED, plasma display screen especially relates to a module FPC binds tensile test tool.
Background
After the FPC and the liquid crystal glass of the display module are bound through the ACF, a direct and quick judgment method for the binding effect does not exist, the ACF is generally sent to an ACF original factory to test the curing rate of the ACF, and whether the binding of the FPC and the liquid crystal glass reaches the standard or not is indirectly judged through the ACF curing rate. This method has the following problems: (1) the bonding condition of the FPC and the glass can be laterally judged only by testing the curing rate of the ACF, and the actual bonding condition of the flat cable of the FPC and the liquid crystal glass cannot be monitored, for example, the bonding force cannot be monitored and tested due to dirt on the surface of the flat cable or the liquid crystal glass; (2) the ACF curing rate needs to be tested by an ACF original factory, which is mostly abroad at present, slow in time and high in cost.
Therefore, a module FPC binding tension test fixture is needed to accurately detect the binding effect of the FPC and the liquid crystal glass.
SUMMERY OF THE UTILITY MODEL
For solving the above problem, the utility model provides a module FPC binds pulling force test fixture.
The technical scheme of the utility model as follows: the utility model provides a module FPC binds tensile test tool, include: the object stage comprises a horizontal part and a vertical part which are mutually connected, a module fixing part is arranged on the horizontal part, a push-pull force measuring device is arranged on the surface, opposite to the horizontal part, of the vertical part, the end part of the push-pull force measuring device is connected with a clamping part, a positioning block is further fixed on the horizontal part between the module fixing part and the vertical part, and the positioning block is arranged corresponding to the clamping part.
Furthermore, a fixing sheet and a plurality of fixing bolts, a plurality of through holes are correspondingly formed in the fixing sheet, a plurality of screw holes are correspondingly formed in the horizontal part, and the fixing sheet is fixed on the horizontal part by the aid of the fixing bolts penetrating through the through holes and the screw holes.
Furthermore, the clamping part comprises two clamping heads, one side of one end of one clamping head forms a screw rod, one end of the other clamping head forms a through hole corresponding to the screw rod, and the screw rod is locked by a nut after penetrating through the through hole.
Furthermore, a holding part is arranged on the nut, and magnets with different polarities are arranged at the other ends of the two chucks.
Furthermore, the holding part is in a cross shape or a straight shape.
Further, the side of the positioning block close to the module fixing part is aligned with the center lines of the two chucks.
Further, the push-pull force measuring device comprises a driver, a sliding part and a push-pull force measuring instrument, wherein the driver is fixed on the vertical part, the sliding part is connected to the power output end of the driver, the sliding part vertically moves up and down under the action of the driver, and the push-pull force measuring instrument is fixed on the sliding part.
Furthermore, the push-pull force measuring instrument is provided with a pull rod, and the end part of the pull rod is connected with the clamping part.
Further, the height of the top surface of the positioning block is higher than that of the top surface of the module to be detected, which is placed on the module fixing part.
Further, the objective table is made of metal materials, and the objective table is of an integrally formed structure.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the combination effect of the FPC and the liquid crystal glass can be rapidly tested by testing the bearable tensile force of the FPC and the liquid crystal glass, and the reliability of a product is guaranteed.
(2) The curing effect of the ACF is reflected by testing the actual drawing force side.
(3) The test speed is high and can reach 1pcs/3min, and the online monitoring is realized in the production process, so that the stable quality of the product is ensured.
(4) The jig has simple structure and low cost.
Drawings
Fig. 1 is the utility model discloses a module FPC binds pulling force test fixture's schematic diagram.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the module FPC binding tension test fixture of the present embodiment includes an object stage, where the object stage includes a horizontal portion 10 and a vertical portion 20 connected to each other, and preferably, the object stage is an integral molding structure, and is made of metal with high density, so that the stability is good. The horizontal part 10 is provided with a module fixing part, in the tension test, the module to be detected is arranged below the module fixing part, and the module fixing part plays a role in positioning and blocking the liquid crystal glass 61 to be bound. The opposite surface of the vertical part 20 and the horizontal part 10 is provided with a push-pull force measuring device, the end of the push-pull force measuring device is connected with a clamping part 40, and the clamping part 40 is used for clamping the FPC62 of the module to be detected. The horizontal portion 10 is further provided with a positioning block 50, the positioning block 50 is arranged at a position corresponding to the clamping portion 40, specifically, one side of the positioning block 50 close to the module fixing portion is aligned with the center lines of the two clamping heads of the clamping portion 40, and the height of the positioning block 50 is greater than the thickness of the module to be detected, that is, the height of the top surface of the positioning block 50 is greater than the height of the top surface of the module to be detected placed on the module fixing portion. The positioning block 50 is used for positioning the position of the module 60 to be detected, and when a tensile test is performed, the junction of the liquid crystal glass 61 and the FPC62 is abutted against one side of the positioning block 50, so that the stretched FPC62 is ensured to be perpendicular to the surface of the liquid crystal glass 61 during the tensile test.
Specifically, the module fixing part includes: a stationary blade 11 and a plurality of fixing bolt 12, correspond on the stationary blade 11 and be equipped with a plurality of through-holes (not marking), correspond on the horizontal part 10 and be equipped with a plurality of screws (not marking), a plurality of fixing bolt 12 pass a plurality of through-holes and a plurality of screw will the stationary blade 11 is fixed in on the horizontal part 10, in this embodiment be equipped with a fixing bolt respectively on four angles of stationary blade 11 and fix. It should be noted that, when the fixing piece 11 is fixed, a gap at least accommodating the thickness of the module to be detected is reserved between the fixing piece 11 and the horizontal portion 10 according to the thickness of the module to be detected, after the module to be detected is placed below the fixing piece 11, the fixing bolt 12 is adjusted to enable the liquid crystal glass 61 of the module to be detected to be attached to the bottom surface of the fixing piece 11, and then the push-pull force measuring device can be opened for detection. The clamping portion 40 is a prior art clip, which includes: through two chucks (not marking) of hub connection, one side of a chuck one end forms a screw rod, and the one end of another chuck corresponds the screw rod forms a through-hole, the screw rod adopts a nut locking after passing this through-hole, and two chuck contact surfaces are the plane of two laminatings, be equipped with a portion of gripping on the nut, the fastening operation to two chucks of convenience, promptly the nut is a word head nut or cross head nut. Preferably, magnets with different polarities are arranged at the other ends of the two clamping heads, so that the FPC62 is fixed in advance, and then the FPC62 is further fixed by tightening the nut.
The push-pull force measuring device comprises a driver 31, a sliding portion 32 and a push-pull force measuring instrument 33, wherein the driver 31 is a stepping motor or other driving device capable of driving the sliding portion 32 in the vertical direction, and the driver 31 is fixed on the vertical portion 20. The sliding part 32 is connected to the power output end of the driver 31, the sliding part 32 moves vertically up and down under the action of the driver 31, and the driver 31 and the sliding part 32 are connected by the prior art, for example, the movement of the sliding part 32 in the vertical direction can be realized by adopting a screw transmission mode. The push-pull force measuring instrument 33 is fixed on the sliding portion 32 and moves up and down, the push-pull force measuring instrument 33 is provided with a pull rod 34, the end portion of the pull rod 34 is connected with the clamping portion 40, when detection is started, the clamping portion 40 is stressed, and a sensor in the push-pull force measuring instrument 33 obtains a stress value and displays the stress value on a display panel. In this embodiment, the push-pull force measuring instrument 33 is a digital display push-pull force measuring instrument, and is fast in data reading and high in accuracy.
Introduce below the utility model discloses a module FPC binds tensile test tool's operation process:
(1) the bound FOG product is placed on an object stage, the lower bottom surface of the fixing sheet 11 is attached to the liquid crystal glass surface of the FOG product through the adjusting bolt 12, and the junction of the liquid crystal glass 61 and the FPC62 is abutted against one edge of the positioning block 50.
(2) The two clips of the holding portion 40 hold the FPC62, and note that the clips cannot be inclined, and the two clips are held at the center in the width direction of the FPC62, so that the force applied during pulling is uniform.
(3) The driver 31 is started and adjusted to enable the sliding part 32 to move upwards at a constant speed of 50 +/-10 mm/min, and the maximum value of the pulling force is recorded by the push-pull force measuring instrument 33.
(4) And judging the binding effect of the FPC62 and the liquid crystal glass 61 according to the read maximum tension value. Specifically, the qualification criteria are generally set as: the FPC tension per 1cm of hot pressing width is more than or equal to 0.7 kgf. If the maximum value of the actually measured pulling force is B (kg), the width of the flat cable in the FPC binding area is A (cm), Y ═ B/A is the pulling force of the FPC per 1cm of hot pressing width, if Y is more than or equal to 0.7kgf, the binding is judged to be qualified, and if not, the binding is judged to be unqualified.
To sum up, the utility model discloses a module FPC binds tensile test tool is through setting up module fixing device and push-and-pull measuring device on the objective table, through carrying out the state of binding that tensile detection can actually detect FPC and liquid crystal glazing to FPC. The problem of need carry out indirect detection FPC and liquid crystal glazing bonding state through ACF solidification rate among the prior art, but can not reflect actual bonding state completely is solved. The utility model discloses a tensile test tool is bound to module FPC simple structure, the cost of manufacture is low, and detection speed is fast, is worth wideling popularize the use.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a tensile test tool is bound to module FPC which characterized in that includes: the object stage comprises a horizontal part and a vertical part which are mutually connected, the horizontal part is provided with a module fixing part, the surface of the vertical part, which is opposite to the horizontal part, is provided with a push-pull force measuring device, and the end part of the push-pull force measuring device is connected with a clamping part; the horizontal part is also fixedly provided with a positioning block, and the positioning block is arranged corresponding to the clamping part.
2. The module FPC binding tension test fixture of claim 1, wherein the module fixing portion comprises: the fixing plate is correspondingly provided with a plurality of through holes, the horizontal part is correspondingly provided with a plurality of screw holes, and the fixing plate is fixed on the horizontal part by the aid of the plurality of fixing bolts penetrating through the plurality of through holes and the plurality of screw holes.
3. The jig for testing the binding tension of the FPC as claimed in claim 1, wherein the clamping portion includes two clamping heads, one end of one clamping head forms a screw, one end of the other clamping head forms a through hole corresponding to the screw, and the screw is locked by a nut after passing through the through hole.
4. The jig for testing the FPC bonding tension of a module according to claim 3, wherein a holding portion is disposed on the nut, and magnets with different polarities are disposed at the other ends of the two chucks.
5. The jig for testing the binding tension of the FPC as claimed in claim 4, wherein the grip is cross-shaped or in-line shaped.
6. The jig for testing the binding tension of the FPC as claimed in claim 1 or 3, wherein the side of the positioning block close to the fixing portion of the module is aligned with the center lines of the two clamping heads of the clamping portion.
7. The module FPC bonding tension test fixture according to claim 1, wherein the push-pull force measuring device includes a driver, a sliding portion, and a push-pull force measuring instrument, the driver is fixed on the vertical portion, the sliding portion is connected to a power output end of the driver, the sliding portion moves vertically up and down under the action of the driver, and the push-pull force measuring instrument is fixed on the sliding portion.
8. The jig for testing the binding tension of the FPC as claimed in claim 7, wherein the push-pull force measuring device has a pull rod, and an end of the pull rod is connected to the clamping portion.
9. The module FPC binding tension test fixture according to claim 1, wherein a height of a top surface of the positioning block is higher than a height of a top surface of a module to be detected placed on the module fixing portion.
10. The module FPC bonding tension test fixture according to claim 1, wherein the object stage is made of metal, and the object stage is of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021603097.2U CN213022805U (en) | 2020-08-04 | 2020-08-04 | Module FPC binding tension test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021603097.2U CN213022805U (en) | 2020-08-04 | 2020-08-04 | Module FPC binding tension test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213022805U true CN213022805U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021603097.2U Active CN213022805U (en) | 2020-08-04 | 2020-08-04 | Module FPC binding tension test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213022805U (en) |
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2020
- 2020-08-04 CN CN202021603097.2U patent/CN213022805U/en active Active
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