COF base material strength detection device

Abstract

The invention discloses a COF base material strength detection device, and belongs to the technical field of COF base material detection, the COF base material strength detection device comprises a bottom plate, the upper wall of the bottom plate is provided with fixing plates and connecting rods, the side walls of the upper ends of any group of fixing plates are provided with first connecting plates, a supporting plate is arranged between the first connecting plates, the supporting plate is connected with the upper ends of the connecting rods, and the upper ends of the connecting plates are connected with the bottom plate. A driving assembly is installed on the supporting plate, a moving plate is connected to the lower end of the driving assembly, the connecting rod movably penetrates through the moving plate, a second testing assembly is installed on the bottom wall of the moving plate, a limiting assembly is installed on the side wall of any set of fixing plate, and the lower end of the limiting assembly is arranged at the lower end of the moving plate. A regulating and cleaning assembly is installed between the adjacent fixing plate and limiting assembly. The device is used for carrying out bending test and impact test on a COF base material sample, the regulation and control plate extrudes the folding bag, the folding bag is compressed, and the position after the test can be conveniently cleaned.

Description

Technical Field

[0001] The invention belongs to the technical field of COF substrate detection, and in particular relates to a COF substrate strength detection device. Background Art

[0002] COF, often called chip on film, is a soft film packaging technology for fixing integrated circuits (ICs) on flexible circuit boards. It uses a soft additional circuit board as a chip packaging carrier to combine the chip with the soft substrate circuit, or simply refers to a soft additional circuit board without a packaged chip. The mechanical strength test of the COF substrate is a key step to ensure that it can withstand various mechanical stresses in practical applications. Among them, the impact test usually needs to be tested by an impact tester to evaluate the tolerance of the material when it is impacted or hit. An impact load is applied to the COF substrate to observe the damage of the sample under the impact load, such as cracks and fractures; the bending test needs to be tested by a bending tester to evaluate the strength and stiffness of the material under the bending load. The tester is started, the load is gradually increased, and the maximum bending load and deformation of the sample are recorded; each test method requires different equipment, and it is inconvenient to implement two tests at the same time with one device, and the residues after the test cannot be cleaned up. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a COF substrate strength detection device, which at least partially solves the problems raised in the above background technology.

[0004] The technical solution adopted by the present invention is as follows: a COF substrate strength detection device comprises a base plate for supporting and fixing, a fixing plate and a connecting rod are installed on the upper wall of the base plate, the fixing plates are provided with two groups, which are symmetrically arranged on the upper wall of the base plate, and the upper end side walls of the fixing plates of any group are installed with a connecting plate 1, a supporting plate is installed between the connecting plates 1, the supporting plate is connected to the upper end of the connecting rod, the fixing plate and the connecting rod support and fix the supporting plate, a driving assembly is installed on the supporting plate, the lower end of the driving assembly is connected with a movable plate, the connecting rod movably penetrates the movable plate arrangement, a testing assembly 2 is installed on the bottom wall of the movable plate, the testing assembly 2 is arranged at the upper end of the base plate, a limiting assembly is installed on the side wall of the fixing plates of any group, the lower end of the limiting assembly is arranged at the lower end of the movable plate, and a regulating and cleaning assembly is installed between adjacent fixing plates and limiting assemblies.

[0005] Preferably, the driving assembly includes a hydraulic rod, a driving plate 1, a driving plate 2 and a driving plate 3, the hydraulic rod is arranged on a supporting plate, the supporting plate supports and fixes the hydraulic rod, the upper end of the driving plate 1 is movably connected to the bottom wall of the supporting plate, the lower end of the driving plate 2 is movably connected to the upper wall of the movable plate, the lower end of the driving plate 1 is movably connected to the upper end of the driving plate 2, one end of the driving plate 3 is movably connected to the connection between the driving plate 1 and the driving plate 2, the other end of the driving plate 3 is movably mounted with a connecting plate 3, and the movable end of the hydraulic rod is connected to the upper wall of the connecting plate 3.

[0006] Furthermore, the limit assembly comprises a limit piece 1, a limit piece 2, an upper plug plate and a lower plug plate, wherein the limit piece 1 and the limit piece 2 are both arranged on the side wall of the fixing plate, and the fixing plate supports and fixes the limit piece 1 and the limit piece 2, the limit piece 1 is arranged on the upper end of the limit piece 2, and the limit piece 1 and the limit piece 2 are both cavity structures with side wall openings, one end of the upper plug plate is movably clamped in the limit piece 1, and the other end of the upper plug plate is arranged on the outer side of the limit piece 1, one end of the lower plug plate is movably clamped in the limit piece 2, and the other end of the lower plug plate is arranged on the outer side of the limit piece 2, and the side walls of the upper and lower plug plates are provided with multiple groups of balls for reducing friction, a pushing plate is installed between the upper and lower plug plates, and a lifting plate and a card plate are installed on the side wall of the pushing plate, the lifting plate is arranged on the upper end of the card plate, and the upper end of the lifting plate is an inclined structure.

[0007] As a preferred embodiment of the present invention, the bottom wall of the movable plate is provided with a lower pressure plate, the bottom wall of the lower pressure plate is an inclined structure, and the inclination angle is the same as the inclination angle of the upper wall of the lifting plate, the lower pressure plate is arranged at the upper end of the lifting plate, and the inclined surface of the bottom wall of the lower pressure plate is movably connected with the inclined surface on the upper end of the lifting plate, and the inclined surface of the bottom wall of the lower pressure plate is provided with a plurality of groups of balls for reducing friction.

[0008] Among them, the regulating and cleaning component includes a regulating plate, which is arranged on the side wall of the pushing plate, and the pushing plate supports and fixes the regulating plate. A folding bag is installed between the regulating plate and the fixed plate, and the folding bag is arranged between the limit piece 1 and the limit piece 2. There is a sealed chamber between the folding bag, the fixed plate and the regulating plate. An air guide tube is installed on the side wall of the regulating plate, and the other end of the air guide tube is connected to the side wall of the movable plate.

[0009] Among them, a ventilation pipe is provided in the movable plate, and two groups of cleaning plates for cleaning are installed on the upper wall of the movable plate. The two groups of cleaning plates are symmetrically placed on the upper wall of the movable plate, and are both arranged at the lower end of the connecting plate three. A plurality of cleaning holes for gas circulation are provided on the cleaning plate, and the other end of the air guide pipe is connected with one end of the ventilation pipe, and the other end of the ventilation pipe is connected with the cleaning hole, and a control valve is provided in the ventilation pipe to facilitate the control of gas circulation.

[0010] Preferably, a ventilation pipe 2 is provided on the side wall of the fixed plate, a ventilation pipe 3 and a ventilation pipe 4 are provided in the bottom plate, a cavity is also provided in the bottom plate, an elastic bag is provided in the cavity, the upper end of the ventilation pipe 2 is through-connected with the sealed chamber in the folding bag, the lower end of the ventilation pipe 2 is through-connected with one end of the ventilation pipe 3, the other end of the ventilation pipe 3 is through-connected with one end of the elastic bag, one end of the ventilation pipe 4 is through-connected with the other end of the elastic bag, and control valves are provided in the ventilation pipe 2 and the ventilation pipe 4 to facilitate the control of gas circulation.

[0011] Preferably, the second test component includes a telescopic rod and a second spring, the upper end of the telescopic rod and the upper end of the second spring are both arranged on the bottom wall of the movable plate, the second spring is sleeved on the outside of the telescopic rod, the lower end of the second spring and the lower end of the telescopic rod are installed with a connecting disk, the side wall of the connecting disk is provided with a card slot, the card plate is movably connected in the card slot, and the second test rod is installed at the center of the bottom wall of the connecting disk.

[0012] Among them, the bottom wall of the support plate is symmetrically installed with a connecting plate 2, the driving assembly is arranged between the connecting plates 2, and any group of the side walls of the connecting plates 2 are installed with a scale piece to facilitate observation of the bending degree of the COF substrate sample, and the other side wall of the connecting plate 2 is installed with a clamping assembly, and the clamping assembly includes a mounting plate and a clamping plate 2, the mounting plate is arranged at the upper end of the clamping plate 2, the bottom wall of the mounting plate 2 is provided with a spring 1, and the lower end of the spring 1 is installed with a clamping plate 1, the clamping plate 1 is movably clamped on the side wall of the connecting plate 2, and the clamping plate 1 and the clamping plate 2 are both provided with rubber pads, and the two ends of the COF substrate sample to be tested are clamped between the clamping plate 1 and the clamping plate 2, and the rubber pad increases the friction, and the clamped COF substrate sample is arranged at the lower end of the connecting plate 3.

[0013] Furthermore, a test rod 1 is installed at the center of the bottom wall of the connecting plate 3, and the test rod 1 is arranged at the upper end of the clamped COF substrate sample and located at the center position of the clamped COF substrate sample. A placement groove is provided on the upper wall of the bottom plate, and the placement groove is arranged at the lower end of the test rod 2. Another group of COF substrate samples to be tested is installed in the placement groove. Cleaning holes 2 are provided on both side walls of the placement groove. The cleaning holes 2 are connected to the other end of the ventilation pipe 4, and the gas in the ventilation pipe 4 is discharged through the cleaning holes 2 to clean the residue in the placement groove.

[0014] After adopting the above structure, the beneficial effects of the present invention are as follows:

[0015] (1) Both ends of the COF substrate sample to be tested are clamped between clamping plate 1 and clamping plate 2. The clamped COF substrate sample is arranged at the lower end of the test rod 1 of the connecting plate 3, which is used to perform a bending test on the COF substrate sample. Another group of COF substrate samples to be tested are installed in the placement groove, which is used to perform an impact test on the COF substrate sample.

[0016] (2) When the movable plate moves downward, it can drive the lower pressure plate to move downward, and the lower pressure plate drives the lifting plate. Under the action of the lower pressure plate and the limit member 1 and the limit member 2, the lifting plate moves toward the direction close to the fixed plate, driving the regulating plate to move toward the direction close to the fixed plate. The regulating plate squeezes the folding bag, and the folding bag is compressed, which is convenient for cleaning the position after the test.

[0017] (3) Scale pieces are installed on both side walls of the connecting plate to facilitate observation of the bending degree of the COF substrate sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0019] Figure 1 This is a schematic structural diagram of a COF substrate strength detection device proposed by the present invention;

[0020] Figure 2 A schematic diagram of the structure of the driving assembly proposed by the present invention;

[0021] Figure 3 for Figure 2 A local enlarged view of point A;

[0022] Figure 4 This is a front view of a COF substrate strength detection device proposed by the present invention;

[0023] Figure 5 for Figure 4 A local enlarged view of point B;

[0024] Figure 6 for Figure 4 A local enlarged view of point C;

[0025] Figure 7 for Figure 4 A local enlarged view of D;

[0026] Figure 8 This is a schematic diagram of the structure of the test component 2 proposed in the present invention.

[0027] In the attached drawings: 1, bottom plate, 2, fixed plate, 3, connecting rod, 4, connecting plate 1, 5, supporting plate, 6, driving assembly, 7, moving plate, 8, testing assembly 2, 9, limiting assembly, 10, regulating and cleaning assembly, 11, hydraulic rod, 12, driving plate 1, 13, driving plate 2, 14, driving plate 3, 15, connecting plate 3, 16, limiting member 1, 17, limiting member 2, 18, upper plug plate, 19, lower plug plate, 20, pushing plate, 21, lifting plate, 22, card plate, 23, lower pressure plate, 24, regulating plate, 25, folding plate Stacked bag, 26, air guide tube, 27, ventilation tube one, 28, cleaning plate, 29, cleaning hole one, 30, ventilation tube two, 31, ventilation tube three, 32, ventilation tube four, 33, cavity, 34, elastic bag, 35, telescopic rod, 36, spring two, 37, connecting plate, 38, slot, 39, test rod two, 40, connecting plate two, 41, scale piece, 42, mounting plate, 43, clamping plate two, 44, spring one, 45, clamping plate one, 46, rubber pad, 47, test rod one, 48, placement slot, 49, cleaning hole two. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] like Figure 1-Figure 8As shown, a COF substrate strength detection device comprises a base plate 1 for supporting and fixing, a fixing plate 2 and a connecting rod 3 are installed on the upper wall of the base plate 1, the fixing plate 2 is provided with two groups, which are symmetrically arranged on the upper wall of the base plate 1, and a connecting plate 4 is installed on the upper side wall of the fixing plate 2 of any group, a supporting plate 5 is installed between the connecting plates 4, the supporting plate 5 is connected to the upper end of the connecting rod 3, the fixing plate 2 and the connecting rod 3 support and fix the supporting plate 5, a driving component 6 is installed on the supporting plate 5, a moving plate 7 is connected to the lower end of the driving component 6, the connecting rod 3 movably passes through the moving plate 7, a testing component 2 8 is installed on the bottom wall of the moving plate 7, and the testing component 2 8 is arranged at the upper end of the base plate 1, a limiting component 9 is installed on the side wall of the fixing plate 2 of any group, and the lower end of the limiting component 9 is arranged at the lower end of the moving plate 7, and a regulating and cleaning component 10 is installed between the adjacent fixing plates 2 and limiting components 9.

[0031] The driving assembly 6 includes a hydraulic rod 11, a driving plate 1 12, a driving plate 2 13 and a driving plate 3 14. The hydraulic rod 11 is arranged on the support plate 5, and the support plate 5 supports and fixes the hydraulic rod 11. The upper end of the driving plate 1 12 is movably connected to the bottom wall of the support plate 5, and the lower end of the driving plate 2 13 is movably connected to the upper wall of the movable plate 7. The lower end of the driving plate 1 12 is movably connected to the upper end of the driving plate 2 13, and one end of the driving plate 3 14 is movably connected to the connection between the driving plate 1 12 and the driving plate 2 13. The other end of the driving plate 3 14 is movably installed with a connecting plate 3 15, and the movable end of the hydraulic rod 11 is connected to the upper wall of the connecting plate 3 15;

[0032] It should be noted that the hydraulic rod 11 works to drive the connecting plate 3 15 downward, and the connecting plate 3 15 drives the end of the driving plate 3 14 downward, and the driving plate 3 14 rotates with the place where the driving plate 2 13 and the driving plate 1 12 are connected as the rotation center, and the driving plate 3 14 moves downward until the driving plate 3 14 and the connecting plate 3 15 are set at the same horizontal position. In this process, the driving plate 3 14 pushes the driving plate 1 12 and the driving plate 2 13 to move, and the driving plate 1 12 rotates with the connection with the support plate 5 as the rotation center, and the driving plate 2 13 rotates with the connection with the movable plate 7 as the rotation center, and at the same time, the driving plate 12 and the driving plate The second plate 13 pushes the movable plate 7 to move downward, and the movable plate 7 moves downward under the limit of the connecting rod 3, and the hydraulic rod 11 works to drive the connecting plate three 15 to move upward, and the connecting plate three 15 drives the driving plate three 14 to move upward, and the driving plate three 14 rotates in the opposite direction with the place where the driving plate two 13 and the driving plate one 12 are connected as the rotation center, and the driving plate three 14 drives the driving plate two 13 and the driving plate one 12 to move, and the driving plate one 12 rotates in the opposite direction with the connection with the support plate 5 as the rotation center, and the driving plate two 13 rotates in the opposite direction with the connection with the movable plate 7 as the rotation center, and the driving plate two 13 and the driving plate one 12 drive the movable plate 7 to move upward along the connecting rod 3.

[0033] The limit assembly 9 includes a limit member 16, a limit member 2 17, an upper plug plate 18 and a lower plug plate 19. The limit member 16 and the limit member 2 17 are both arranged on the side wall of the fixed plate 2. The fixed plate 2 supports and fixes the limit member 16 and the limit member 2 17. The limit member 16 is arranged at the upper end of the limit member 2 17, and the limit member 16 and the limit member 2 17 are both cavities 33 with side wall openings. One end of the upper plug plate 18 is movably connected to the limit member 16, and the other end of the upper plug plate 18 is movably connected to the limit member 16. One end is arranged on the outside of the limit piece 16, one end of the lower plug plate 19 is movably connected in the limit piece 2 17, and the other end of the lower plug plate 19 is arranged on the outside of the limit piece 2 17. The side walls of the upper plug plate 18 and the lower plug plate 19 are provided with multiple groups of balls for reducing friction. A pushing plate 20 is installed between the upper plug plate 18 and the lower plug plate 19, and a lifting plate 21 and a card plate 22 are installed on the side wall of the pushing plate 20. The lifting plate 21 is arranged at the upper end of the card plate 22, and the upper end of the lifting plate 21 is an inclined structure.

[0034] The bottom wall of the movable plate 7 is provided with a lower pressing plate 23, the bottom wall of the lower pressing plate 23 is an inclined structure, and the inclination angle is the same as the inclination angle of the upper wall of the lifting plate 21, the lower pressing plate 23 is arranged at the upper end of the lifting plate 21, and the inclined surface of the bottom wall of the lower pressing plate 23 is movably connected with the inclined surface of the upper end of the lifting plate 21, and the inclined surface of the bottom wall of the lower pressing plate 23 is provided with a plurality of groups of balls for reducing friction;

[0035] It should be noted that when the movable plate 7 moves downward, it can drive the lower pressure plate 23 to move downward, and the lower pressure plate 23 drives the lifting plate 21. The movement of the lifting plate 21 is limited by the limit member 16 and the limit member 2 17. Under the action of the lower pressure plate 23 and the limit member 16 and the limit member 2 17, the lifting plate 21 moves toward the direction close to the fixed plate 2.

[0036] The regulating and cleaning component 10 includes a regulating plate 24, which is arranged on the side wall of the pushing plate 20, and the pushing plate 20 supports and fixes the regulating plate 24. A folding bag 25 is installed between the regulating plate 24 and the fixed plate 2, and the folding bag 25 is arranged between the limit piece 16 and the limit piece 2 17. A sealed chamber is formed between the folding bag 25, the fixed plate 2 and the regulating plate 24. An air guide tube 26 is installed on the side wall of the regulating plate 24, and the other end of the air guide tube 26 is connected to the side wall of the movable plate 7.

[0037] A vent pipe 27 is provided in the movable plate 7, and two groups of cleaning plates 28 for cleaning are installed on the upper wall of the movable plate 7. The two groups of cleaning plates 28 are symmetrically placed on the upper wall of the movable plate 7 and are both arranged at the lower end of the connecting plate 3 15. The cleaning plates 28 are provided with a plurality of cleaning holes 29 for gas circulation. The other end of the air guide pipe 26 is connected to one end of the vent pipe 27, and the other end of the vent pipe 27 is connected to the cleaning hole 29. A control valve is provided in the vent pipe 27 to facilitate the control of gas circulation.

[0038] It should be noted that when the lifting plate 21 moves toward the fixed plate 2, it drives the regulating plate 24 to move toward the fixed plate 2, the regulating plate 24 squeezes the folding bag 25, the folding bag 25 is compressed, the control valve in the ventilation pipe 27 opens, and the internal gas is discharged from the ventilation hole 1 through the ventilation pipe 27 to clean the residue on the movable plate 7.

[0039] The side wall of the fixed plate 2 is provided with a ventilation pipe 2 30, the bottom plate 1 is provided with a ventilation pipe 3 31 and a ventilation pipe 4 32, the bottom plate 1 is also provided with a cavity 33, the cavity 33 is provided with an elastic bag 34, the upper end of the ventilation pipe 2 30 is connected to the sealed chamber in the folding bag 25, the lower end of the ventilation pipe 2 30 is connected to one end of the ventilation pipe 3 31, the other end of the ventilation pipe 3 31 is connected to one end of the elastic bag 34, and one end of the ventilation pipe 4 32 is connected to the other end of the elastic bag 34, and the ventilation pipe 2 30 and the ventilation pipe 4 32 are both provided with control valves to facilitate the control of gas circulation;

[0040] It should be noted that when the regulating plate 24 squeezes the folding bag 25, the folding bag 25 is compressed, the control valve in the ventilation pipe 2 30 is opened, and the control valve in the ventilation pipe 4 32 is closed, and the gas in the folding bag 25 passes through the ventilation pipe 2 30 and the ventilation pipe 3 31 in turn and enters the elastic bag 34, the elastic bag 34 swells and fills the cavity 33, the control valve in the ventilation pipe 2 30 is closed, the control valve in the ventilation pipe 4 32 is opened, and the gas in the elastic bag 34 enters the ventilation pipe 4 32.

[0041] The test component 28 includes a telescopic rod 35 and a spring 2 36, the upper ends of the telescopic rod 35 and the upper ends of the spring 2 36 are both arranged on the bottom wall of the movable plate 7, the spring 2 36 is sleeved on the outside of the telescopic rod 35, the lower ends of the spring 2 36 and the lower ends of the telescopic rod 35 are installed with a connecting plate 37, the side wall of the connecting plate 37 is provided with a card slot 38, the card plate 22 is movably card-connected in the card slot 38, and a test rod 2 39 is installed at the center of the bottom wall of the connecting plate 37.

[0042] The bottom wall of the support plate 5 is symmetrically mounted with a connecting plate 2 40, the driving assembly 6 is arranged between the connecting plates 2 40, and a scale piece 41 is installed on the side wall of any group of the connecting plates 2 40 to facilitate observation of the bending degree of the COF substrate sample, and a clamping assembly is installed on the other side wall of the connecting plate 2 40, and the clamping assembly includes a mounting plate 42 and a clamping plate 2 43, the mounting plate 42 is arranged at the upper end of the clamping plate 2 43, a spring 1 44 is arranged on the bottom wall of the mounting plate 42, and a clamping plate 1 45 is installed on the lower end of the spring 1 44, the clamping plate 1 45 is movably clamped on the side wall of the connecting plate 2 40, and rubber pads 46 are arranged on the clamping plates 1 45 and the clamping plates 2 43, and the two ends of the COF substrate sample to be tested are clamped between the clamping plates 1 45 and the clamping plates 2 43, and the rubber pads 46 increase the friction, and the clamped COF substrate sample is arranged at the lower end of the connecting plate 3 15.

[0043] A test rod 1 47 is installed at the center of the bottom wall of the connecting plate 3 15, and the test rod 1 47 is arranged at the upper end of the clamped COF substrate sample and is located at the center of the clamped COF substrate sample. A placement groove 48 is provided on the upper wall of the bottom plate 1, and the placement groove 48 is arranged at the lower end of the test rod 2 39. Another group of COF substrate samples to be tested are installed in the placement groove 48. Cleaning holes 2 49 are provided on both side walls of the placement groove 48. The cleaning holes 2 49 are connected to the other end of the ventilation pipe 4 32. The gas in the ventilation pipe 4 32 is discharged through the cleaning holes 2 49 to clean the residue in the placement groove 48.

[0044] The specific use is as follows: initially, the spring 2 36 is in a compressed state, the clamping plate 22 is clamped into the clamping slot 38, and the two ends of the COF substrate sample to be tested are clamped between the clamping plate 1 45 and the clamping plate 2 43. The clamped COF substrate sample is arranged at the lower end of the test rod 1 47 of the connecting plate 3 15, which is used to perform a bending test on the COF substrate sample. At this time, the rubber pad 46 increases the friction force, and another group of COF substrate samples to be tested are installed in the placement slot 48, which is used to perform an impact test on the COF substrate sample.

[0045] The hydraulic rod 11 works to drive the connecting plate 3 15 to move downward, and the connecting plate 3 15 drives the end of the driving plate 3 14 to move downward. The driving plate 3 14 rotates with the place where the driving plate 2 13 and the driving plate 1 12 are connected as the rotation center, and the driving plate 3 14 moves downward until the driving plate 3 14 and the connecting plate 3 15 are set at the same horizontal position. In this process, the connecting plate 3 15 drives the test rod 1 47 to move downward, and the test rod 1 47 performs a bending test on the COF substrate sample clamped on the clamping assembly. The side walls of the connecting plate 2 40 are all installed with scale pieces 41, which are convenient for observing the bending degree of the COF substrate sample. The driving plate 3 14 pushes the driving plate 1 12 and the driving plate 2 13 to move. The driving plate 1 12 rotates with the connection with the support plate 5 as the rotation center, and the driving plate 2 13 rotates with the connection with the movable plate 7 as the rotation center. At the same time, the driving plate 1 12 and the driving plate 2 13 push the movable plate 7 to move downward, and the movable plate 7 moves downward under the limit of the connecting rod 3;

[0046] When the movable plate 7 moves downward, it can drive the lower pressing plate 23 to move downward, and the lower pressing plate 23 drives the lifting plate 21. The movement of the lifting plate 21 is limited by the limit member 16 and the limit member 2 17. Under the action of the lower pressing plate 23, the limit member 16 and the limit member 2 17, the lifting plate 21 moves toward the direction close to the fixed plate 2, driving the regulating plate 24 and the card plate 22 to move toward the direction close to the fixed plate 2. The card plate 22 is pulled out of the card slot 38 in the connecting plate 37, and the spring 2 36 pushes the connecting plate 37 to move downward quickly. The connecting plate 37 drives the test rod 2 39 to move downward quickly, and the test rod 2 39 performs an impact test on the COF substrate sample in the placement slot 48.

[0047] At the same time, the regulating plate 24 squeezes the folding bag 25, the folding bag 25 is compressed, the control valve in the ventilation pipe 2 30 is opened, and the control valves in the ventilation pipe 1 27 and the ventilation pipe 4 32 are closed. The gas in the folding bag 25 passes through the ventilation pipe 2 30 and the ventilation pipe 3 31 in sequence and enters the elastic bag 34. The elastic bag 34 swells and fills the cavity 33. Then the control valve in the ventilation pipe 2 30 is closed, and the control valve in the ventilation pipe 1 27 is opened. The gas in the folding bag 25 is discharged from the ventilation hole 1 through the ventilation pipe 1 27 to clean the residue on the movable plate 7.

[0048] After the test is finished, the COF substrate sample to be tested in the placement tank 48 is taken out, the control valve in the ventilation pipe 432 is opened, the gas in the elastic bag 34 enters the ventilation pipe 432, and the gas in the ventilation pipe 432 is discharged through the cleaning hole 249 to clean the residue in the placement tank 48;

[0049] The hydraulic rod 11 works to drive the connecting plate three 15 to move upward, and the connecting plate three 15 drives the driving plate three 14 to move upward. The driving plate three 14 rotates in the opposite direction with the place where the driving plate two 13 and the driving plate one 12 are connected as the rotation center. The driving plate three 14 drives the driving plate two 13 and the driving plate one 12 to move. The driving plate one 12 rotates in the opposite direction with the connection with the support plate 5 as the rotation center. The driving plate two 13 rotates in the opposite direction with the connection with the movable plate 7 as the rotation center. The driving plate two 13 and the driving plate one 12 drive the movable plate 7 to move upward along the connecting rod 3 and return to the initial position. Then the samples to be tested are placed again between the clamping components and in the placement slot 48 respectively, and the next round of testing can be carried out.

[0050] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these 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. In short, if those skilled in the art are inspired by them and design structural modes and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they shall all fall within the scope of protection of the present invention.

Claims

1. A COF substrate strength detection device, characterized in that: It includes a base plate for supporting and fixing, a fixing plate and a connecting rod are installed on the upper wall of the base plate, the fixing plate is provided with two groups, which are symmetrically arranged on the upper wall of the base plate, any group of the upper end side walls of the fixing plates are installed with a connecting plate 1, a supporting plate is installed between the connecting plates 1, the supporting plate is connected to the upper end of the connecting rod, a driving assembly is installed on the supporting plate, the lower end of the driving assembly is connected with a movable plate, the connecting rod movably penetrates the movable plate arrangement, a testing assembly 2 is installed on the bottom wall of the movable plate, the testing assembly 2 is arranged at the upper end of the base plate, a limiting assembly is installed on the side wall of the fixing plates of any group, the lower end of the limiting assembly is arranged at the lower end of the movable plate, and a regulating and cleaning assembly is installed between adjacent fixing plates and limiting assemblies.

2. A COF substrate strength detection device according to claim 1, characterized in that: The driving assembly includes a hydraulic rod, a driving plate 1, a driving plate 2 and a driving plate 3. The hydraulic rod is arranged on the supporting plate. The upper end of the driving plate 1 is movably connected to the bottom wall of the supporting plate. The lower end of the driving plate 2 is movably connected to the upper wall of the movable plate. The lower end of the driving plate 1 is movably connected to the upper end of the driving plate 2. One end of the driving plate 3 is movably connected to the connection between the driving plate 1 and the driving plate 2. The other end of the driving plate 3 is movably mounted with a connecting plate 3. The movable end of the hydraulic rod is connected to the upper wall of the connecting plate 3.

3. A COF substrate strength detection device according to claim 2, characterized in that: The limit assembly comprises a limit member 1, a limit member 2, an upper plug plate and a lower plug plate, the limit member 1 and the limit member 2 are both arranged on the side wall of the fixed plate, the limit member 1 is arranged at the upper end of the limit member 2, and the limit member 1 and the limit member 2 are both cavity structures with side wall openings, one end of the upper plug plate is movably clamped in the limit member 1, the other end of the upper plug plate is arranged on the outside of the limit member 1, one end of the lower plug plate is movably clamped in the limit member 2, and the other end of the lower plug plate is arranged on the outside of the limit member 2, a pushing plate is installed between the upper plug plate and the lower plug plate, a lifting plate and a card plate are installed on the side wall of the pushing plate, the lifting plate is arranged at the upper end of the card plate, and the upper end of the lifting plate is an inclined structure.

4. A COF substrate strength detection device according to claim 3, characterized in that: The bottom wall of the movable plate is provided with a lower pressure plate, the bottom wall of the lower pressure plate is an inclined structure, and the inclination angle is the same as the inclination angle of the upper wall of the lifting plate. The lower pressure plate is arranged at the upper end of the lifting plate, and the inclined surface of the bottom wall of the lower pressure plate is movably connected with the inclined surface on the upper end of the lifting plate. The inclined surface of the bottom wall of the lower pressure plate is provided with multiple groups of balls for reducing friction.

5. A COF substrate strength detection device according to claim 4, characterized in that: The regulating and cleaning component includes a regulating plate, which is arranged on the side wall of the pushing plate. A folding bag is installed between the regulating plate and the fixed plate. The folding bag is arranged between the limit piece 1 and the limit piece 2. A sealed chamber is formed between the folding bag, the fixed plate and the regulating plate. An air guide tube is installed on the side wall of the regulating plate, and the other end of the air guide tube is connected to the side wall of the movable plate.

6. A COF substrate strength detection device according to claim 5, characterized in that: A ventilation pipe 1 is provided in the movable plate, and two groups of cleaning plates for cleaning are installed on the upper wall of the movable plate. The two groups of cleaning plates are symmetrically placed on the upper wall of the movable plate and are both arranged at the lower end of the connecting plate 3. A plurality of cleaning holes 1 for gas circulation are provided on the cleaning plate, and the other end of the air guide pipe is connected with one end of the ventilation pipe 1, and the other end of the ventilation pipe 1 is connected with the cleaning hole 1. A control valve is provided in the ventilation pipe 1.

7. A COF substrate strength detection device according to claim 6, characterized in that: The side wall of the fixed plate is provided with a ventilation pipe 2, and the bottom plate is provided with a ventilation pipe 3 and a ventilation pipe 4. The bottom plate is also provided with a cavity, and an elastic bag is provided in the cavity. The upper end of the ventilation pipe 2 is through-connected with the sealed chamber in the folding bag, the lower end of the ventilation pipe 2 is through-connected with one end of the ventilation pipe 3, the other end of the ventilation pipe 3 is through-connected with one end of the elastic bag, and one end of the ventilation pipe 4 is through-connected with the other end of the elastic bag. Control valves are provided in the ventilation pipes 2 and 4.

8. A COF substrate strength detection device according to claim 7, characterized in that: The second test component includes a telescopic rod and a second spring. The upper end of the telescopic rod and the upper end of the second spring are both arranged on the bottom wall of the movable plate. The second spring is sleeved on the outside of the telescopic rod. The lower end of the second spring and the lower end of the telescopic rod are installed with a connecting plate. The side wall of the connecting plate is provided with a slot. The card plate is movably connected in the slot. The second test rod is installed at the center of the bottom wall of the connecting plate.

9. A COF substrate strength detection device according to claim 8, characterized in that: The bottom wall of the support plate is symmetrically mounted with connecting plate 2, the driving assembly is arranged between the connecting plates 2, any group of the side walls of the connecting plates 2 are mounted with scale pieces, the other side wall of the connecting plate 2 is mounted with a clamping assembly, the clamping assembly comprises a mounting plate and a clamping plate 2, the mounting plate is arranged at the upper end of the clamping plate 2, a spring 1 is arranged on the bottom wall of the mounting plate 2, a clamping plate 1 is mounted on the lower end of the spring 1, the clamping plate 1 is movably clamped on the side walls of the connecting plates 2, and rubber pads are arranged on the clamping plate 1 and the clamping plate 2.

10. A COF substrate strength detection device according to claim 9, characterized in that: A test rod 1 is installed at the center of the bottom wall of the connecting plate 3, and the test rod 1 is arranged at the upper end of the clamped COF substrate sample and located at the center of the clamped COF substrate sample. A placement groove is provided on the upper wall of the bottom plate, and the placement groove is arranged at the lower end of the test rod 2. Another group of COF substrate samples to be tested is installed in the placement groove. Cleaning holes 2 are provided on both side walls of the placement groove, and the cleaning holes 2 are connected with the other end of the ventilation pipe 4.

Images