CN113311315A - FPC main device testing jig and using method thereof - Google Patents
FPC main device testing jig and using method thereof Download PDFInfo
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- CN113311315A CN113311315A CN202110604931.2A CN202110604931A CN113311315A CN 113311315 A CN113311315 A CN 113311315A CN 202110604931 A CN202110604931 A CN 202110604931A CN 113311315 A CN113311315 A CN 113311315A
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- 238000009434 installation Methods 0.000 claims description 36
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
- G01R31/2812—Checking for open circuits or shorts, e.g. solder bridges; Testing conductivity, resistivity or impedance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a FPC (flexible printed circuit) main device test fixture, which belongs to the technical field of test fixtures and comprises a fixture outer cover and a fixture base; according to the invention, the fire covering component is arranged in the tool, the automatic control component is arranged in the fire covering component, when the tool is used for testing the FPC device, if the sudden fire situation caused by electric leakage and short circuit occurs, the tool outer cover can firstly avoid fire extension, and meanwhile, the fire covering component can automatically fall off through the linkage action and is pressed on the FPC device to control the fire, if the fire covering pad does not extinguish the fire in the pressing process at the first time, the fire covering pad is burnt, the fire extinguishing matrix in the tool can leak, a fire source is further extinguished, a good fire control effect is achieved, the traditional fire control method realized through a precise instrument and a fire extinguishing structure is abandoned, the same effect can be realized through a simple structure, and the cost of the tool is reduced on the premise of improving the use safety of the tool.
Description
Technical Field
The invention belongs to the technical field of test jigs, and particularly relates to a FPC (flexible printed circuit) main device test jig and a using method thereof.
Background
The jig is a general term for assembling tools, and relates to many fields, such as carpenters, ironmen, benches, machines, etc., generally, the jig is classified into three categories, namely, a process assembling jig, a project testing jig, and a circuit board testing jig, wherein the testing jig, i.e., the jig used for testing, is most widely applied.
Flexible Printed Circuit, called as FPC, Flexible Printed Circuit board, and Flexible Printed Circuit board, is widely used in electronic products such as mobile phones, notebook computers, PDAs, digital cameras, and LCMs, due to their high wiring density, light weight, and thin thickness. In order to absolutely guarantee the quality of an electronic product using the FPC, the FPC must be inspected and tested after it is produced.
The Chinese invention patent (CN201210459556.8) discloses a FPC test fixture, which comprises a horizontally arranged substrate, a three-link reverse force driving mechanism vertically penetrating the substrate and fixedly connected with the substrate, a needle plate fixing plate horizontally arranged below the substrate and fixedly connected with the three-link reverse force driving mechanism, a needle plate fixedly arranged on the front surface of the needle plate fixing plate, and a pressing plate arranged above the substrate and corresponding to the position of the needle plate; the three connecting rods reversely enable the force driving mechanism to drive the needle plate fixing plate to reciprocate along the vertical direction, and the jig is simple in structure and convenient to operate; the three connecting rods used for driving the needle plate to move up and down reversely enable the force driving mechanism to enable the detection probe to be in complete pressing contact with the FPC, so that the accuracy and the stability of the test are guaranteed; in addition, the invention breaks the habit that the prior FPC test fixture can only plant needles from the front side of the test article to be tested, can plant needles from the lower part of the test article to be tested, and is particularly matched with a transparent pressing plate, thereby bringing great convenience for observing the needle planting condition.
However, the jig in the prior art is not provided with any fire control structure inside, when carrying out the FPC test, if some short circuits appear or when proruption situation causes the conflagration, unable very first time is handled, and the security can not be ensured, and result of use greatly reduced does not be provided with the structure that can install the location to FPC fast in the jig simultaneously, and is comparatively troublesome when installing, can influence the efficiency of holistic jig test.
In view of the above, the present invention provides a testing fixture for FPC main device and a method for using the same, so as to solve the technical problems in the prior art.
Disclosure of Invention
The invention aims to: in order to solve the problem that the traditional test fixture is not internally provided with any fire control structure, when the FPC test is carried out, if some short circuits or emergency situations cause fire disasters, the short circuits or the emergency situations cannot be processed at the first time, the safety cannot be guaranteed, the using effect is greatly reduced, meanwhile, the traditional test fixture is not internally provided with a structure capable of quickly installing and positioning the FPC, the installation is troublesome, the test efficiency of the whole fixture can be influenced, and the use method of the FPC main device test fixture is inconvenient.
In order to achieve the purpose, the invention adopts the following technical scheme: a FPC main device test fixture comprises a fixture outer cover and a fixture base, wherein the top of the fixture base is fixedly provided with a mounting back plate and the fixture outer cover, a test cylinder is fixedly arranged on the outer wall of one side of the mounting back plate through a mounting frame, one end of a test pressure rod arranged on the output end of the test cylinder is positioned at the inner side of the jig outer cover, a fire covering component for extinguishing fire is arranged on the inner wall of the top surface of the jig outer cover, a guide rail is fixedly arranged on the inner wall of the top surface of the jig base, a bottom toothed plate is slidably mounted on the guide rail, a mounting column is fixedly mounted on the top surface of the bottom toothed plate, the mounting post is provided with an FPC device mounting component for quickly positioning the FPC device, a side groove is formed in the side wall of the jig base, an anti-slip pad is arranged on the side groove, and a rotating assembly for driving the FPC device mounting assembly to move is rotatably mounted on the side groove;
the fire cover assembly is composed of a fire cover plate and an automatic control assembly, a fire cover pad is arranged on the bottom surface of the fire cover plate, a plurality of fire extinguishing matrixes are filled in the fire cover pad, a bottom groove is formed in the bottom surface of the fire cover plate, and the automatic control assembly used for the fire cover plate to fall automatically is arranged in the bottom groove.
As a further description of the above technical solution:
the automatic control assembly is composed of a driven gear pin, a transmission gear, a driving rack and a substrate sleeve, a sliding rail is fixedly mounted on the inner wall of the bottom groove, the driven gear pin is slidably mounted on the sliding rail, one end of the driven gear pin is clamped and embedded into a clamping hole formed in the inner wall of the jig outer cover, and the transmission gear is rotatably mounted in the bottom groove through a rotating shaft.
As a further description of the above technical solution:
the substrate sleeve is arranged in the bottom groove, a driving rack is arranged on one side of the substrate sleeve, a plurality of thermal expansion substrates are filled in the substrate sleeve, and the transmission gear is respectively meshed and connected with the driven gear pin and the driving rack.
As a further description of the above technical solution:
the FPC device installation component comprises an installation main frame, a movable toothed plate, a transmission toothed roller and a limiting component, wherein a supporting step is fixedly installed on the inner wall of a device groove formed in the installation main frame, and the movable toothed plate is installed on the inner wall of the device groove in a sliding mode.
As a further description of the above technical solution:
the installation main frame's inside is installed the transmission fluted roller through installation hub rotation, the logical groove of board has been seted up to the bottom of installation main frame, the outside fixed mounting of installation axle has torsion answer spring, torsion answer spring's one end and the inner wall fixed connection of installation main frame, slidable mounting has spacing subassembly on the inner wall of installation main frame.
As a further description of the above technical solution:
the limiting assembly is composed of a limiting shaft, a movable gear block and a convex column, an installation inner groove is formed in the movable gear block, a side ejection spring is fixedly installed in the installation inner groove, and the limiting shaft in sliding connection with the installation inner groove is fixedly installed at one end of the side ejection spring.
As a further description of the above technical solution:
the jig is characterized in that a convex column is fixedly mounted on the side wall of the limiting shaft, one end of the convex column extends to the outer side of the jig base, and the transmission gear roller is meshed with the movable toothed plate and the movable toothed block respectively.
As a further description of the above technical solution:
the rotating assembly is composed of a telescopic shaft sleeve, a side positioning rod, a connecting spring and a rotating shaft, one end of the rotating shaft is located on the inner side of the jig base, a rotating gear is fixedly mounted on the outer portion of one end of the rotating shaft, and the rotating gear is meshed with the bottom toothed plate and connected with the bottom toothed plate.
As a further description of the above technical solution:
the other end of axis of rotation is located the outside slidable mounting of tool base and has flexible axle sleeve, the outside fixed mounting of axis of rotation has connecting spring, connecting spring's one end and the one end fixed connection of flexible axle sleeve, fixed mounting has the side locating lever on the outer wall of flexible axle sleeve.
The invention also discloses a use method of the FPC main device test fixture, which comprises the following steps:
s1, opening the cover door, firstly, carrying out tooling on the FPC device, directly pressing and installing the FPC device in the installation main frame, moving the toothed plate downwards at the moment, driving the limiting assembly to move upwards through the transmission toothed roller, when the limiting assembly moves upwards to a certain position, the limiting shaft reaches the position of a perforation of the installation main frame, and at the moment, the side top spring can automatically push the limiting shaft out to be clamped into a side hole of the FPC device, so that the FPC device is quickly positioned;
s2, closing the cover door, rotating the rotating assembly according to the test requirement, driving the bottom gear plate to move through the rotating gear on the rotating assembly, so as to drive the FPC device mounting assembly and the FPC device mounted on the FPC device mounting assembly to move, thereby changing the position of the FPC device to be located at the required detection position, and starting the test cylinder to perform pressure bearing test;
s3, after the position of the FPC device is changed by the rotating assembly, the telescopic shaft sleeve can be directly released, the connecting spring can drive the telescopic shaft sleeve to reset at the moment, the telescopic shaft sleeve drives the side positioning rod to move, the side positioning rod is tightly extruded with the anti-skid pad, and the rotating assembly can be effectively positioned to a certain extent;
s4, when electric power test is carried out, if the sudden condition of fire caused by electric leakage and short circuit occurs, the tool outer cover can firstly avoid fire epitaxy, meanwhile, the temperature in the tool outer cover is rapidly raised, the thermal expansion substrate is expanded by temperature, so that the substrate sleeve is expanded, the driving rack is pushed, the movable driving rack drives the driven gear pin to be separated from the clamping hole of the tool outer cover through the transmission gear, at the moment, the fire covering component can automatically fall off and press on the FPC device to control the fire, if the fire covering pad does not extinguish the fire at the first time in the pressing process, the fire covering pad is burnt, the internal fire extinguishing substrate leaks, and the fire source is further extinguished;
s5, when the work is finished, the FPC device is disassembled, the limit shaft is directly moved through the convex column to be separated from the side hole of the FPC device, at the moment, the torsion return spring can drive the installation shaft to rotate and reset, the movable toothed plate moves upwards, and the FPC device can be automatically sent out.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, the fire covering component is arranged in the device, and the automatic control component is arranged in the fire covering component, when the jig is used for testing the FPC device, if the sudden condition of fire caused by electric leakage and short circuit occurs, the outer cover of the jig can firstly avoid the fire extension, and simultaneously, the fire covering component can automatically fall off and press on the FPC device through the linkage action, the fire behavior is controlled, if the fire covering cushion does not extinguish the fire in the first time in the pressing process, the fire covering cushion is burnt, the internal fire extinguishing substrate leaks, the fire source is further extinguished, the fire behavior control effect is good, the design is extremely creative, the traditional fire behavior control method realized by a precise instrument and a fire extinguishing structure is abandoned, the same effect can be realized through simple structure, and the cost of tool is reduced to the prerequisite that improves tool safety in utilization.
2. According to the invention, the FPC device installation assembly capable of being quickly installed is installed in the jig, the FPC device is assembled before testing, the FPC device is directly installed in the installation main frame in a pressing mode, and the limiting shaft can be automatically pushed out and clamped into the side hole of the FPC device through the linkage effect, so that the FPC device is quickly positioned, the pressing and quick installation effect is realized, other operations are not needed, part tools are not needed, and the use efficiency of the jig is improved.
3. According to the invention, the rotating assembly is externally arranged, so that the rotating assembly can be rotated to drive the bottom gear plate to move through the rotating gear on the rotating assembly when testing is carried out, so that the FPC device mounting assembly and the FPC device mounted on the FPC device mounting assembly can be driven to move, and the position of the FPC device can be effectively and rapidly changed through the method according to the testing requirement in the testing process, so that the testing position of the FPC device is changed, and the using effect of the jig is improved.
4. According to the invention, the rotating assembly is designed to be telescopic, the anti-slip pad is arranged on the side face of the jig base, when the position of the FPC device is adjusted, only the telescopic shaft sleeve needs to be laterally pulled and simultaneously rotated, after the position of the FPC device is changed through the rotating assembly, the telescopic shaft sleeve can be directly released, the connecting spring can drive the telescopic shaft sleeve to reset, the telescopic shaft sleeve drives the lateral positioning rod to move and tightly extrude with the anti-slip pad, so that the rotating assembly can be effectively positioned to a certain extent, the phenomenon that the FPC device mounting assembly is in an unnecessary position during testing is avoided, and the testing accuracy is ensured.
5. According to the invention, the torsion return spring is arranged outside the mounting shaft in the FPC device mounting assembly, when the FPC device is usually dismounted, the limiting shaft is directly moved through the convex column to be separated from the side hole of the FPC device, so that the movable toothed plate can move upwards, the FPC device can be automatically sent out, the FPC device can be conveniently taken out, a special tool is not required to be used for taking out the clamped FPC device, and the dismounting is convenient and fast.
Drawings
Fig. 1 is a schematic perspective view of a FPC main device test fixture.
Fig. 2 is a schematic view of an internal structure of a FPC main device test fixture.
Fig. 3 is an enlarged explosion three-dimensional structure diagram of a rotating assembly in the FPC main device test fixture.
Fig. 4 is a schematic perspective view of a fire covering assembly in a FPC main device test fixture.
Fig. 5 is an enlarged schematic perspective view of an FPC device mounting assembly in an FPC main device testing fixture.
Fig. 6 is a schematic view of an internal structure of an FPC device mounting assembly in an FPC main device test fixture.
Fig. 7 is an enlarged schematic perspective view of a movable toothed plate in the FPC main device testing jig.
Fig. 8 is an enlarged bottom structure diagram of a fire covering assembly in the FPC main device test fixture.
Fig. 9 is an enlarged schematic view of a portion a of the FPC main device test fixture.
Fig. 10 is an enlarged schematic view of a portion B of the FPC main device test fixture.
Fig. 11 is an enlarged schematic view of a part C of the FPC main device test fixture.
Fig. 12 is an enlarged schematic view of a portion D of the FPC main device test fixture.
Illustration of the drawings:
1. mounting a back plate; 2. testing the cylinder; 3. a jig outer cover; 4. a jig base; 5. a rotating assembly; 51. a telescopic shaft sleeve; 52. a side positioning rod; 53. a connecting spring; 54. a rotating shaft; 55. a rotating gear; 6. a side groove; 7. a non-slip mat; 8. a fire covering assembly; 81. covering a fire plate; 82. a through hole; 83. a bottom groove; 84. covering a fire cushion; 85. a fire extinguishing matrix; 86. an automatic control assembly; 861. a driven toothed pin; 862. a transmission gear; 863. a drive rack; 864. a substrate sleeve; 865. a thermally expansive substrate; 866. a slide rail; 9. mounting a column; 10. a guide rail; 11. a bottom toothed plate; 12. an FPC device mounting assembly; 121. installing a main frame; 122. a movable toothed plate; 123. supporting a step; 124. a driving gear roller; 125. a limiting component; 1251. a limiting shaft; 1252. installing an inner groove; 1253. a side top spring; 1254. moving the tooth block; 1255. a convex column; 126. installing a shaft; 127. a torsion return spring.
Detailed Description
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.
Example 1:
referring to fig. 1-12, the embodiment discloses a FPC main device testing jig, which includes a jig outer cover 3 and a jig base 4, a mounting back plate 1 and the jig outer cover 3 are fixedly mounted on the top of the jig base 4, a testing cylinder 2 is fixedly mounted on the outer wall of one side of the mounting back plate 1 through a mounting bracket, one end of a testing pressure rod mounted on the output end of the testing cylinder 2 is located inside the jig outer cover 3, a fire covering assembly 8 for fire extinguishing is disposed on the inner wall of the top surface of the jig outer cover 3, a guide rail 10 is fixedly mounted on the inner wall of the top surface of the jig base 4, a bottom toothed plate 11 is slidably mounted on the guide rail 10, a mounting column 9 is fixedly mounted on the top surface of the bottom toothed plate 11, an FPC device mounting assembly 12 for fast positioning of an FPC device is disposed on the mounting column 9, a side groove 6 is disposed on the side wall of the jig base 4, the side groove 6 is provided with an anti-skid pad 7, and the side groove 6 is rotatably provided with a rotating assembly 5 for driving the FPC device installation assembly 12 to move;
the fire covering assembly 8 comprises a fire covering plate 81 and an automatic control assembly 86, a fire covering pad 84 is arranged on the bottom surface of the fire covering plate 81, a plurality of fire extinguishing matrixes 85 are filled in the fire covering pad 84, a bottom groove 83 is formed in the bottom surface of the fire covering plate 81, the automatic control assembly 86 for the fire covering plate 81 to automatically fall is arranged in the bottom groove 83, the automatic control assembly 86 comprises a driven gear pin 861, a transmission gear 862, a driving rack 863 and a matrix sleeve 864, a sliding rail 866 is fixedly installed on the inner wall of the bottom groove 83, the driven gear pin 861 is slidably installed on the sliding rail 866, one end of the driven gear pin 861 is clamped and embedded in a clamping hole formed in the inner wall of the jig housing 3, the transmission gear 862 is rotatably installed in the bottom groove 83 through a rotating shaft, the matrix sleeve 864 is arranged in the bottom groove 83, the driving rack 863 is arranged on one side of the matrix sleeve 864, the inside of the substrate sleeve 864 is filled with a plurality of thermal expansion substrates 865, and the transmission gear 862 is engaged with the driven gear pin 861 and the driving rack 863 respectively;
through the structure arrangement, when an electric power test is carried out, if the fire accident caused by electric leakage and short circuit occurs, the jig outer cover 3 can firstly avoid fire epitaxy, meanwhile, the temperature in the jig outer cover 3 is rapidly raised, the thermal expansion substrate 865 expands under the temperature, the substrate sleeve 864 is expanded, so that the driving rack 863 is pushed, the movable driving rack 863 drives the driven gear pin 861 to be separated from a clamping hole of the jig outer cover 3 through the transmission gear 862, at the moment, the fire covering component 8 can automatically fall off and is pressed on the FPC device to control the fire, if the fire covering pad 84 does not extinguish the fire at the first time in the pressing process, the fire covering pad 84 is burnt, the internal fire extinguishing substrate 85 leaks, and a fire source is further extinguished;
further, the FPC device mounting assembly 12 is composed of a mounting main frame 121, a moving toothed plate 122, a transmission toothed roller 124 and a limiting assembly 125, a supporting step 123 is fixedly mounted on an inner wall of a device groove formed in the mounting main frame 121, the moving toothed roller 122 is slidably mounted on the inner wall of the device groove, the transmission toothed roller 124 is rotatably mounted in the mounting main frame 121 through a mounting shaft 126, a plate through groove is formed in the bottom of the mounting main frame 121, a torsion return spring 127 is fixedly mounted on the outside of the mounting shaft 126, one end of the torsion return spring 127 is fixedly connected with the inner wall of the mounting main frame 121, the limiting assembly 125 is slidably mounted on the inner wall of the mounting main frame 121, the limiting assembly 125 is composed of a limiting shaft 1251, a moving toothed block 1254 and a convex column 1255, an mounting inner groove 1252 is formed in the moving toothed block 1254, a side top spring 1253 is fixedly mounted in the mounting inner groove 1252, a limiting shaft 1251 slidably connected with the installation inner groove 1252 is fixedly installed at one end of the side top spring 1253, a convex column 1255 is fixedly installed on the side wall of the limiting shaft 1251, one end of the convex column 1255 extends to the outer side of the jig base 4, and the transmission gear roller 124 is respectively connected with the movable toothed plate 122 and the movable toothed block 1254 in an engaged manner;
through the structural arrangement, the cover door is opened, the FPC device is firstly assembled, the FPC device is directly installed in the installation main frame 121 in a pressing mode, the movable toothed plate 122 moves downwards at the moment, the limiting component 125 is driven to move upwards through the transmission toothed roller 124, when the limiting component 125 moves upwards to a certain position, the limiting shaft 1251 reaches the position of a through hole of the installation main frame 121, the limiting shaft 1251 can be automatically pushed out and clamped into a side hole of the FPC device by the side top spring 1253 at the moment, the FPC device is quickly positioned, the FPC device is disassembled after work is finished, the limiting shaft 1251 is directly moved through the convex column 1255 to be separated from the side hole of the FPC device, the torsion return spring 127 can drive the installation shaft 126 to rotate and reset at the moment, the movable toothed plate 122 moves upwards, and the FPC device can be automatically sent out;
further, the rotating assembly 5 is composed of a telescopic shaft sleeve 51, a side positioning rod 52, a connecting spring 53 and a rotating shaft 54, one end of the rotating shaft 54 is located on the inner side of the jig base 4, a rotating gear 55 is fixedly installed on the outer portion of one end of the rotating shaft 54, the rotating gear 55 and the bottom toothed plate 11 are meshed with each other and connected, the telescopic shaft sleeve 51 is slidably installed on the other end of the rotating shaft 54 located on the outer side of the jig base 4, the connecting spring 53 is fixedly installed on the outer portion of the rotating shaft 54, one end of the connecting spring 53 is fixedly connected with one end of the telescopic shaft sleeve 51, and the side positioning rod 52 is fixedly installed on the outer wall of the telescopic shaft sleeve 51;
through the structural arrangement, the cover door is closed, the rotating assembly 5 is rotated according to test requirements, the bottom toothed plate 11 is driven to move through the rotating gear 55 on the rotating assembly, so that the FPC device installation assembly 12 and an FPC device installed on the FPC device can be driven to move, the position of the FPC device is changed and is located at a required detection position, the test cylinder 2 is started for pressure bearing test, the telescopic shaft sleeve 51 can be directly released after the rotating assembly 5 changes the position of the FPC device, at the moment, the connecting spring 53 can drive the telescopic shaft sleeve 51 to reset, the telescopic shaft sleeve 51 drives the side positioning rod 52 to displace and tightly extrude the side positioning rod 52 with the anti-skid pad 7, and the rotating assembly 5 can be effectively positioned to a certain extent;
example 2:
the embodiment discloses a method for using a FPC main device test fixture, which comprises the following steps:
s1, opening the cover door, first, assembling the FPC device, directly press-mounting the FPC device in the main mounting frame 121, moving the toothed plate 122 downward, driving the limiting component 125 upward through the driving toothed roller 124, when the limiting component 125 moves upward to a certain position, the limiting shaft 1251 reaches the position of the perforation of the main mounting frame 121, and the side top spring 1253 can automatically push the limiting shaft 1251 out to be clamped into the side hole of the FPC device, thereby completing the rapid positioning of the FPC device;
s2, closing the cover door, rotating the rotating assembly 5 according to the test requirement, driving the bottom toothed plate 11 to move through the rotating gear 55 on the rotating assembly, so as to drive the FPC device mounting assembly 12 and the FPC device mounted on the FPC device to move, thereby changing the position of the FPC device to be located at the required detection position, and starting the test cylinder 2 to perform pressure bearing test;
s3, after the rotating assembly 5 changes the position of the FPC device, the telescopic shaft sleeve 51 can be directly released, at the moment, the connecting spring 53 can drive the telescopic shaft sleeve 51 to reset, the telescopic shaft sleeve 51 drives the side positioning rod 52 to displace, the side positioning rod is tightly extruded with the anti-skid pad 7, and the rotating assembly 5 can be effectively positioned to a certain extent;
s4, when an electric test is carried out, if the fire accident caused by electric leakage and short circuit occurs, the jig housing 3 can firstly avoid fire epitaxy, meanwhile, the temperature in the jig housing 3 is rapidly raised, the thermal expansion substrate 865 expands under the temperature, the substrate sleeve 864 is expanded, so as to push the driving rack 863, the movable driving rack 863 drives the driven gear pin 861 to be separated from the clamping hole of the jig housing 3 through the transmission gear 862, at the moment, the fire covering component 8 can automatically fall off and is pressed on the FPC device, the fire is controlled, if the fire covering pad 84 does not extinguish the fire at the first time in the pressing process, the fire covering pad 84 is burnt, the fire extinguishing substrate 85 in the pressing process leaks, and a fire source is further extinguished;
s5, when the work is finished, the FPC device is disassembled, the protruding post 1255 directly moves the limiting shaft 1251 to disengage from the side hole of the FPC device, and at this time, the torsion return spring 127 can drive the mounting shaft 126 to rotate and return, so that the moving toothed plate 122 moves upward, and the FPC device can be automatically sent out.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a FPC owner device test fixture which characterized in that: comprises a jig outer cover (3) and a jig base (4), wherein the top of the jig base (4) is fixedly provided with an installation back plate (1) and the jig outer cover (3), the outer wall of one side of the installation back plate (1) is fixedly provided with a test cylinder (2) through a mounting frame, one end of a test pressure rod installed on the output end of the test cylinder (2) is positioned at the inner side of the jig outer cover (3), the inner wall of the top surface of the jig outer cover (3) is provided with a fire covering component (8) for extinguishing fire, the inner wall of the top surface of the jig base (4) is fixedly provided with a guide rail (10), the guide rail (10) is slidably provided with a bottom toothed plate (11), the top surface of the bottom toothed plate (11) is fixedly provided with an installation column (9), the installation column (9) is provided with an FPC device installation component (12) for quickly positioning an FPC device, the side groove (6) is formed in the side wall of, the anti-slip device is characterized in that anti-slip pads (7) are arranged on the side grooves (6), and rotating assemblies (5) used for driving the FPC device mounting assemblies (12) to move are rotatably mounted on the side grooves (6).
2. The FPC main device test fixture as recited in claim 1, wherein the fire covering assembly (8) is composed of a fire covering plate (81) and an automatic control assembly (86), a fire covering pad (84) is disposed on a bottom surface of the fire covering plate (81), a plurality of fire extinguishing substrates (85) are filled in the fire covering pad (84), a bottom groove (83) is disposed on the bottom surface of the fire covering plate (81), an automatic control assembly (86) for the fire covering plate (81) to automatically fall is disposed in the bottom groove (83), the automatic control assembly (86) is composed of a driven gear pin (861), a transmission gear (862), a driving rack (863) and a substrate sleeve (864), a slide rail (866) is fixedly mounted on an inner wall of the bottom groove (83), the driven gear pin (861) is slidably mounted on the slide rail (866), one end of the driven gear pin (861) is inserted into a clamping hole formed on an inner wall of the fixture outer cover (3), the transmission gear (862) is rotatably installed in the bottom groove (83) through a rotating shaft, the substrate sleeve (864) is arranged in the bottom groove (83), a driving rack (863) is arranged on one side of the substrate sleeve (864), a plurality of thermal expansion substrates (865) are filled in the substrate sleeve (864), and the transmission gear (862) is respectively meshed and connected with the driven gear pin (861) and the driving rack (863).
3. The FPC main device test fixture of claim 1 or 2, the FPC device mounting component (12) consists of a mounting main frame (121), a movable toothed plate (122), a transmission toothed roller (124) and a limiting component (125), a supporting step (123) is fixedly arranged on the inner wall of a device groove formed in the mounting main frame (121), a movable toothed plate (122) is slidably arranged on the inner wall of the device groove, the interior of the mounting main frame (121) is rotatably provided with a transmission gear roller (124) through a mounting shaft (126), the bottom of the mounting main frame (121) is provided with a plate through groove, a torsion return spring (127) is fixedly mounted outside the mounting shaft (126), one end of the torsion return spring (127) is fixedly connected with the inner wall of the mounting main frame (121), and a limiting component (125) is arranged on the inner wall of the main mounting frame (121) in a sliding manner.
4. The FPC main device test fixture as recited in claim 1, wherein the limiting assembly (125) is composed of a limiting shaft (1251), a movable gear block (1254) and a convex cylinder (1255), an inner installation groove (1252) is formed in the movable gear block (1254), a side top spring (1253) is fixedly installed in the inner installation groove (1252), the limiting shaft (1251) slidably connected with the inner installation groove (1252) is fixedly installed at one end of the side top spring (1253), the convex cylinder (1255) is fixedly installed on a side wall of the limiting shaft (1251), one end of the convex cylinder (1255) extends to the outer side of the fixture base (4), and the transmission gear roller (124) is respectively engaged and connected with the movable gear plate (122) and the movable gear block (1254).
5. The FPC main device test fixture of claim 1, the rotating assembly (5) consists of a telescopic shaft sleeve (51), a side locating rod (52), a connecting spring (53) and a rotating shaft (54), one end of the rotating shaft (54) is positioned at the inner side of the jig base (4), a rotating gear (55) is fixedly arranged outside one end of the rotating shaft (54), the rotating gear (55) is meshed with the bottom toothed plate (11), the other end of the rotating shaft (54) is positioned at the outer side of the jig base (4) and is provided with a telescopic shaft sleeve (51) in a sliding way, a connecting spring (53) is fixedly arranged outside the rotating shaft (54), one end of the connecting spring (53) is fixedly connected with one end of the telescopic shaft sleeve (51), and a side positioning rod (52) is fixedly arranged on the outer wall of the telescopic shaft sleeve (51).
6. The use method of the FPC main device test fixture according to any one of claims 1-5, comprising the steps of:
s1, opening the cover door, firstly, assembling the FPC device, directly pressing and installing the FPC device in the installation main frame (121), moving the toothed plate (122) downwards, driving the limiting component (125) to upwards move through the transmission toothed roller (124), when the limiting component (125) upwards moves to a certain position, the limiting shaft (1251) reaches the perforating position of the installation main frame (121), and at the moment, the side top spring (1253) can automatically push the limiting shaft (1251) out to be clamped into the side hole of the FPC device, so that the FPC device is quickly positioned;
s2, closing the cover door, rotating the rotating assembly (5) according to test requirements, and driving the bottom toothed plate (11) to move through the rotating gear (55) on the rotating assembly, so that the FPC device mounting assembly (12) and an FPC device mounted on the FPC device can be driven to move, the position of the FPC device is changed and is located at a required detection position, and the test cylinder (2) is started to perform pressure bearing test;
s3, after the position of the FPC device is changed by the rotating assembly (5), the telescopic shaft sleeve (51) can be directly released, at the moment, the connecting spring (53) can drive the telescopic shaft sleeve (51) to reset, the telescopic shaft sleeve (51) drives the side positioning rod (52) to move and tightly extrude the side positioning rod and the anti-slip mat (7), and the rotating assembly (5) can be effectively positioned to a certain extent;
s4, when an electric test is carried out, if the fire accident caused by electric leakage and short circuit occurs, the jig outer cover (3) can firstly avoid fire extension, meanwhile, the temperature in the jig outer cover (3) is rapidly raised, the thermal expansion substrate (865) expands under the temperature, so that the substrate sleeve (864) expands, thereby pushing the driving rack (863), the movable driving rack (863) drives the driven rack pin (861) to be separated from a clamping hole of the jig outer cover (3) through the transmission gear (862), at the moment, the fire covering component (8) can automatically fall off and is pressed on the FPC device, the fire is controlled, if the fire covering pad (84) does not extinguish the fire for the first time in the pressing process, the fire covering pad (84) is burnt, the internal fire extinguishing substrate (85) leaks, and the fire source is further extinguished;
s5, when the work is finished, the FPC device is disassembled, the limit shaft (1251) is directly moved through the convex column (1255) to be separated from the side hole of the FPC device, at the moment, the torsion return spring (127) can drive the installation shaft (126) to rotate and reset, the movable toothed plate (122) is enabled to move upwards, and the FPC device can be automatically sent out.
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Cited By (1)
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| CN113820877A (en) * | 2021-11-22 | 2021-12-21 | 深圳市伟盛丰科技有限公司 | Lighting test jig with quick replacement function |
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| CN113311315B (en) | 2024-01-16 |
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