CN115542129A - Flexible circuit board electrical measuring machine - Google Patents
Flexible circuit board electrical measuring machine Download PDFInfo
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- CN115542129A CN115542129A CN202211349480.3A CN202211349480A CN115542129A CN 115542129 A CN115542129 A CN 115542129A CN 202211349480 A CN202211349480 A CN 202211349480A CN 115542129 A CN115542129 A CN 115542129A
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- 238000012360 testing method Methods 0.000 claims abstract description 83
- 238000013461 design Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 18
- 239000000758 substrate Substances 0.000 description 12
- 230000000712 assembly Effects 0.000 description 9
- 238000000429 assembly Methods 0.000 description 9
- 239000000523 sample Substances 0.000 description 6
- 239000011324 bead Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
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- 239000013585 weight reducing agent Substances 0.000 description 1
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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]
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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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- General Engineering & Computer Science (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention provides an electric measuring machine for a flexible circuit board, which comprises at least two mutually spliced frames, a test control system arranged in the frames, a base spanning all the frames and a lifting frame fixed above the base and capable of lifting relative to the base, wherein the lifting frame is provided with a plurality of lifting holes; the test device also comprises a carrier plate assembly fixed on the base and used for supporting the flexible circuit board and a top plate assembly fixed on the lifting frame and electrically connected with the test control system, wherein the top plate assembly is driven by the lifting frame to be pressed down and abutted to the flexible circuit board of the carrier plate assembly. The flexible circuit board electric measuring machine provided by the invention has stronger size compatibility, and can meet the use of a flexible circuit board with the overall size of 2000mm (length) X260mm (width) to the maximum extent; the flexible circuit board electric measuring machine is formed by splicing at least two frames, and the sectional design is adopted, so that the production, the processing, the assembly, the debugging, the maintenance and the transportation of test equipment are facilitated, and the subsequent capacity expansion of the electric measuring machine for the flexible circuit board with larger size is facilitated.
Description
Technical Field
The invention relates to the technical field of flexible circuit board testing, in particular to an electric tester for a flexible circuit board.
Background
With the continuous development of new energy vehicles in recent years, the development of intellectualization, electromotion and networking, the vehicle-mounted flexible circuit board is widely applied. The vehicle-mounted flexible circuit board is continuously improved in bending property, weight reduction and automation degree, and the application covers the use of three power control systems, namely a vehicle lamp, a vehicle-mounted display module, a BMS/VCU/MCU, a sensor, an advanced auxiliary system and the like. And, with the continuous development of new energy automobile, the demand of on-vehicle flexible circuit board will promote thereupon by a wide margin. And most of the existing electric measuring machines designed aiming at the flexible circuit board can not meet the test use of the large-size vehicle-mounted flexible circuit board. When the flexible circuit board is large in size, the electric testing machine is used for testing the flexible circuit board section by section, but the sectional testing results in insufficient testing stability and poor testing effect, or the flying probe machine is used for testing and the high-speed moving test is adopted, so that the testing equipment is expensive, the testing efficiency is low, and the sectional operation is required for the large-size flexible circuit board, so that the testing result is not ideal.
Disclosure of Invention
The invention aims to solve the problems that the existing electric measuring machine aiming at a large-size vehicle-mounted flexible circuit board is not available, the test stability is poor due to the fact that the large-size flexible circuit board is subjected to subsection test, the test equipment is expensive due to the fact that the flying probe test is not available, and the test result is not ideal due to the fact that the flexible circuit board in an over-size mode is subjected to subsection operation.
The technical scheme adopted by the invention for solving the technical problems is as follows: an electric measuring machine for a flexible circuit board comprises at least two frames which are spliced with each other, a test control system arranged in the frames, a base which spans all the frames, and a lifting frame which is fixed above the base and can lift relative to the base; the test control system also comprises a carrier plate assembly which is fixed on the base and used for supporting the flexible circuit board and a top plate assembly which is fixed on the lifting frame and electrically connected with the test control system, wherein the top plate assembly is driven by the lifting frame to be pressed downwards and abutted to the flexible circuit board of the carrier plate assembly; the lifting frame is including being fixed in span all on the base the mount of frame, a plurality of set up in drive assembly on the mount and by drive assembly drives the sky board mounting bracket that goes up and down in the mount, the sky board subassembly is fixed in on the sky board mounting bracket.
In one embodiment, the fixed frame comprises two basic frames which are respectively arranged in the machine frame and a connecting component which fixedly connects the two basic frames; the foundation frame comprises a bottom plate, a top plate and a plurality of upright posts which fixedly connect the bottom plate with the top plate.
In one embodiment, the driving assembly comprises a driving cylinder, a mounting seat for fixing the driving cylinder on the bottom plate, and a mounting block for fixing a driving rod of the driving cylinder on the top plate mounting frame.
In one embodiment, the top plate mounting frame comprises two base plates respectively arranged in the base frame, a connecting plate fixedly connecting the two base plates, and a plurality of guide columns uniformly distributed at the top of the base plates, wherein all the guide columns are arranged on one side edge of the base plate, and the other side edge of the base plate is fixedly connected with the driving cylinder through the mounting block.
In one embodiment, the base plate is provided with a plurality of mounting positions for the upright posts to penetrate through, and each mounting position is provided with a first linear bearing sleeved on the upright post.
In one embodiment, a top plate of the base frame is provided with a plurality of first auxiliary connecting plates, one end of each first auxiliary connecting plate is fixed on the top plate, and the other end of each first auxiliary connecting plate is provided with a guide seat for a guide post of the top plate mounting frame to penetrate through.
In one embodiment, the top plate mounting frame further includes a connecting rod located above the top plate of the base frame, one end of the guide post is fixed to the base plate through a second linear bearing, and the other end of the guide post passes through the guide seat of the first auxiliary connecting plate and is fixed to the connecting rod.
In one embodiment, the connecting assembly includes two connecting blocks for fixedly connecting the two bottom plates and two connecting members for fixedly connecting the two top plates.
In one embodiment, the base frame further comprises a supporting guide post, one end of the supporting guide post is fixed on the base, and the other end of the supporting guide post is fixedly connected with the top plate through a second auxiliary connecting plate.
In one embodiment, the base plate of the top plate mounting frame further comprises an extension block fixed on the base plate, and a third linear bearing sleeved on the support guide column is arranged on the extension block.
The electric measuring machine for the flexible circuit board provided by the invention has the beneficial effects that:
firstly, the flexible circuit board comprises at least two frames, a base and a lifting frame, wherein the base and the lifting frame span all the frames, so that the flexible circuit board which can be tested by the electric testing machine provided by the invention has stronger size compatibility, and the flexible circuit board with the external dimension of 2000mm (length) X260mm (width) can be used to the maximum extent;
secondly, the flexible circuit board testing device is formed by splicing at least two racks, and the sectional design is adopted, so that the production, the processing, the assembly, the debugging, the maintenance and the transportation of testing equipment are facilitated, and the subsequent expansion of an electric testing machine of a flexible circuit board with a larger size is facilitated;
thirdly, when different flexible circuit boards are tested, only the carrier plate assembly on the base and the top plate assembly on the lifting frame need to be replaced, the requirement of testing the electrical performance of flexible circuit boards with most sizes on the market is met, and the flexible circuit board electric tester provided by the invention can meet the testing requirement of a single flexible circuit board, can also meet the testing requirement of a large batch of flexible circuit boards of a whole board product, and solves the problem that a client needs to test a large batch of flexible circuit boards from a small batch of proofing tests in the early period to the later period.
Drawings
FIG. 1 is a schematic perspective view of an electrical tester for flexible circuit boards according to the present invention;
FIG. 2 is a schematic perspective view of a top plate assembly and a carrier plate assembly of an electrical tester for flexible printed circuit boards according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is a schematic perspective view of a lifting frame in an electrical tester for flexible printed circuit boards according to the present invention;
FIG. 5 is a schematic perspective view of a drive assembly in a lift frame of an electrical flexible circuit board tester according to the present invention;
FIG. 6 is a schematic perspective view of a left base frame in a lifting frame of an electrical tester for flexible printed circuit boards according to the present invention;
fig. 7 is a schematic perspective view of a right base frame in a lifting frame of an electrical measuring machine for a flexible circuit board according to the present invention;
FIG. 8 is a schematic perspective view of a left substrate in a lifting frame of an electrical flexible circuit board tester according to the present invention;
fig. 9 is a schematic perspective view of a right substrate in a lifting frame of an electrical flexible circuit board tester according to the present invention.
Description of reference numerals:
100-flexible circuit board electrical tester;
10-a rack, 20-a test control system, 21-an electric control assembly, 22-an electric tester, 30-a base, 50-a carrier plate assembly, 60-a ceiling assembly, 61-a waist-shaped hole and 70-a flexible circuit board;
40-lifting the frame,
41-a fixed frame, 411 (411') -a base frame, 4111-a bottom plate, 4112-a top plate, 4113-a column, 4114-a first auxiliary connection plate, 4115-a guide seat, 4116-a support guide column, 4117-a second auxiliary connection plate, 4118-a cabling rack, 4119-a buffer;
412-connecting component, 4121-connecting block and 4122-connecting component;
42-driving component, 421-driving cylinder, 422-mounting seat, 423-mounting block, 424-limiting block and 425-speed regulating valve;
43-ceiling mounting rack, 431 (431') -base plate, 4311-transverse reinforcing rib, 4312-longitudinal reinforcing rib, 4313-buffer rubber block, 4314-fixed screw group, 432-connecting plate, 433-guide column, 434-first linear bearing, 435-connecting rod, 436-second linear bearing, 437-extending block, 438-third linear bearing and 439-adapter rod;
80-material pressing assembly, 81-bracket, 82-rotating roller, 83-pressing strip and 84-driving piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Referring to fig. 1-9, an electrical flexible circuit board tester 100 is provided. As shown in fig. 1, the electrical tester 100 for flexible circuit boards provided by the present invention includes two racks 10 spliced with each other, so that the internal space thereof is larger, and the size of the flexible circuit board 70 capable of carrying a test is larger, so that the electrical tester 100 provided by the present invention can be maximally compatible with the test use of the flexible circuit board 70 having an external dimension of 2000mm (length) X260mm (width), and can complete the requirement of the electrical performance test of the flexible circuit board 70 having an ultra-large size by one-time pressing operation without sectional test and flying probe, thereby greatly improving the accuracy of the test result, the stability during the test and the consistency of the test effect.
Fig. 1 is a schematic perspective view of an electrical measuring machine 100 for flexible printed circuit boards according to the present invention. The electrical measuring machine 100 provided by the invention comprises at least two machine frames 10 which are spliced with each other, a test control system 20 arranged in the machine frames 10, a base 30 which spans all the machine frames 10, and a lifting frame 40 which is fixed above the base 30 and can be lifted relative to the base 30. The electrical tester 100 provided by the invention can adjust the number of the racks 10 according to the size of the flexible circuit board 100 to be tested, so as to reserve for the subsequent test of the vehicle-mounted flexible circuit board with the oversized size, and meet the test requirement of the vehicle-mounted flexible circuit board with the oversized size. In the present embodiment, as shown in fig. 1, two racks 10 are arranged side by side along the length direction thereof, and two side edges adjacent to each other in the width direction of the racks 10 are spliced to form an ultra-long internal space. The base 30 is arranged along the length direction of the rack 10, so that the base 30 can span two racks 10 and extend from one side surface of one rack 10 to the other side surface of the other rack 10, and the overlong base 30 enables the length size which can be carried by the base to be enlarged, thereby meeting the placement of the large-size flexible circuit board 70. And the lifting frame 40 is fixed in the frame 10 and positioned above the base 30. The entire lifting frame 40 also spans the two frames 10 so that the entire length of the lifting frame 40 coincides with the length of the base 30 and can be elevated above the base 30 with respect to the base 30. A test control system 20 is disposed under the base 30 of the two racks 10, the test control system 20 includes an electronic control assembly 21 fixed in the rack 10 and an electrical tester 22 fixed in the rack 10, the electrical tester 22 can perform tests on various electrical properties of the flexible circuit board 70, including but not limited to: high and low voltage testing, on-off testing, high and low voltage insulation testing, and the like. The electronic control assembly 21 located on the rack 10 includes a control host disposed in the rack 10 and located below the base 30, a display, a keyboard and a mouse disposed on the side of the rack 10, a control panel disposed on the front side of the rack 10 and located in front of the base 30, and a printer disposed on the rack 10 and located above the base 30. The electric control assembly 21 is electrically connected with the electric measuring instrument 22, and can feed back data tested by the electric measuring instrument 22 to the display in real time, store the data in the control host and print the test data according to actual needs.
Fig. 2 is a schematic perspective view of a top board assembly 60 and a carrier board assembly 50 of a flexible printed circuit board electrical tester 100 according to the present invention. The electrical tester 100 for flexible printed circuit board further comprises a carrier board assembly 50 fixed on the base 30 and supporting the flexible printed circuit board 70, and a top board assembly 60 fixed on the lifting frame 40 and electrically connected to the test control system 20. The top plate assembly 60 and the carrier plate assembly 50 are jigs for testing the flexible circuit board 70, and can be adaptively adjusted according to different types and sizes of flexible circuit boards 70, so that the flexible circuit board electric tester 100 provided by the invention can test the electrical performance of the flexible circuit boards 70 of different types and sizes. When the flexible printed circuit board electrical tester 100 provided by the present invention is testing, the top plate assembly 60 is driven by the lifting frame 40 to press down and abut against the flexible printed circuit board 70 of the carrier plate assembly 50. As shown in fig. 2, when the top plate assembly 60 contacts the flexible printed circuit board 70 on the carrier plate assembly 50, the test control system 20 can be used to test the electrical performance of the flexible printed circuit board 70 on the carrier plate assembly 50. When testing different flexible printed circuit boards 70, the electrical tester 100 for flexible printed circuit boards provided by the present invention only needs to replace the carrier plate assembly 50 on the base 30 and the top plate assembly 60 on the lifting frame 40, so as to meet the requirement of testing the electrical performance of flexible printed circuit boards 70 with most sizes in the market. Moreover, the flexible circuit board electrical tester 100 provided by the invention can meet the test requirements of single flexible circuit boards 70 and large-batch flexible circuit boards 70 of whole board products, and solves the problem that customers need to test large-batch flexible circuit boards from the former small-batch proofing test to the later.
The electrical tester 100 for flexible printed circuit boards provided by the present invention can be provided with a code scanning gun on the top board assembly 60, and the flexible printed circuit board 70 on the carrier board assembly 50 is first subjected to code scanning identification operation before testing. The top plate assembly 60 is further provided with a testing needle mold which is arranged in one-to-one correspondence with the specific structure of the flexible circuit board 70, one end of a probe on the testing needle mold can be directly pricked on the testing position of the flexible circuit board 70, and the other end of the probe is electrically connected with the electrical tester 22 in the rack 10, so that the performance of the flexible circuit board 70 can be tested. And, this sky board subassembly 60 is last to also to set up and to mark the subassembly, should mark the subassembly and can be the subassembly of dotting, also can be laser assembly, through dotting or laser mode, marks the result after the test on flexible circuit board, especially after to the test, NG's product marks, makes things convenient for the better discernment product of manufacturing procedure after the test.
As shown in fig. 1, the flexible circuit board electrical tester 100 provided by the present invention can place the carrier board assembly 50 on the base 30 from the front side of the two racks 10. At this time, the flexible circuit boards 70 can be placed on the carrier assembly 50 from the front sides of the two racks 10 by a manual feeding method, which is mainly suitable for use when a customer performs a small batch of proofing tests on a single flexible circuit board 70 in the early stage, and is used for performing an electrical performance operation on a small number of flexible circuit boards 70. Meanwhile, the flexible circuit board electric measuring machine 100 provided by the invention can also carry out feeding from the left side and the right side of the two racks 10. At this time, a roll-to-roll feeding machine and a roll-to-roll discharging machine may be respectively docked at the left and right sides of the flexible circuit board electrical tester 100 provided by the present invention, and a full-automatic feeding and discharging operation may be performed on the entire board product (RTR product having a plurality of flexible circuit boards arranged at the same time) by the roll-to-roll apparatus. The full-automatic feeding and discharging operation of the electric measuring machine can be realized through the butt joint of the roll-to-roll equipment, when the roll-to-roll equipment feeds the whole board product onto the carrier board assembly 50, the carrier board assembly 50 is controlled by the electric control assembly 21 to position the whole board product 50, and then the electric control assembly 21 drives the top board assembly 60 to press down, so that the simultaneous test of all the flexible circuit boards 70 on the whole board product 50 can be completed.
As shown in fig. 3, which is a partial enlarged view of a part a of the three-dimensional structure diagram of the flexible circuit board electrical measuring machine 100 provided by the present invention. The flexible circuit board electrical measuring machine 100 provided by the invention further comprises a material pressing component 80 arranged on the two side surfaces of the base 30 in the rack 10, and the material pressing component 80 can fix two ends of a whole board product entering the rack 10 when butting roll-to-roll automatic feeding and discharging equipment, so that the stability of the whole board product in the rack 10 during testing is ensured. The pressing assembly 80 includes a bracket 81 fixed to a side surface of the frame 10, a rotating roller 82 disposed on the bracket 81, a pressing bar 83 disposed on the bracket 81, and a driving member 84 for driving the pressing bar 83 to move up and down. The product to be tested enters the frame 10 through the gap between the rotating roller 82 and the bead 83 and moves over the carrier plate assembly 50. Then, the driving member 84 drives the pressing strip 83 to press down and abut against the rotating roller 82, so that the pressing strip 83 and the rotating roller 82 directly clamp the end of the product to be tested. As shown in fig. 1, in the flexible printed circuit board electrical measuring machine 100 provided by the present invention, one pressing assembly 80 is disposed on the left side surface of the left rack 10, and another pressing assembly 80 is disposed on the right side surface of the right rack 10. The two pressing assemblies 80 are electrically connected with the test control system 20, the driving member 84 is started through the test control system 20, and the pressing strips 83 in the two pressing assemblies 80 are controlled to move synchronously, that is, the two pressing assemblies 80 simultaneously clamp the end parts on the two sides of the left side and the right side of the product to be tested, or simultaneously loosen the end parts on the two sides of the product. The two pressing assemblies 80 arranged in the rack 10 control the side surfaces of the whole board product, so that the whole board product in the rack 10 can not shake during testing, and the stability during testing is better guaranteed.
Fig. 4 is a schematic perspective view of the lifting frame 40 of the flexible printed circuit board electrical measuring machine 100 according to the present invention. The lifting frame 40 provided by the present invention comprises a fixed frame 41 fixed on the base 30 and spanning all the racks 10, a plurality of driving assemblies 42 arranged on the fixed frame 41, and a top plate mounting frame 43 driven by the driving assemblies 42 to lift in the fixed frame 41, wherein the top plate assembly 60 is fixed on the top plate mounting frame 43. The fixed frame 41 and the top plate mounting frame 43 provided by the invention are both in modularized design and in sectional design consistent with the frame 10, and are fixed into a whole in an assembling mode, so that the whole production, processing, assembly, debugging, maintenance and transportation of the electric measuring machine 100 can be facilitated, the subsequent expansion of the electric measuring machine 100 with the flexible circuit board 70 with larger size is facilitated, and the electric measuring machine 100 with the flexible circuit board provided by the invention can be developed along with the development of the subsequent vehicle-mounted flexible circuit board and can be compatible with the test use of the flexible circuit board 70 with longer size.
As shown in fig. 4, the fixing frame 41 of the lifting frame 40 of the present invention includes two base frames 411 respectively disposed in the machine frame 10 and a connecting assembly 412 for fixedly connecting the two base frames 411. In this embodiment, the fixing frame 41 is formed by splicing a base frame 411 located on the left side and a base frame 411' located on the right side. The three-dimensional structure of the base frame 411 on the left side is shown in fig. 6, and the three-dimensional structure of the base frame 411 'on the right side is shown in fig. 7, and the base frame 411 on the left side and the base frame 411' on the right side have the same structure and are symmetrically arranged.
As shown in fig. 6, the base frame 411 of the lifting frame 40 of the present invention includes a bottom plate 4111, a top plate 4112, and a plurality of vertical columns 4113 for fixedly connecting the bottom plate 4111 and the top plate 4112. Wherein the bottom plate 4111 of the base frame 411 is fixed to the base 30 as shown in fig. 3. Ten columns 4113 are arranged between each bottom plate 4111 and the top plate 4112, and the ten columns 4113 are arranged between the bottom plate 4111 and the top plate 4112 in a pairwise opposite manner. The bottom of the upright 4113 is fixed on the top surface of the bottom plate 4111 via a linear bearing, and the top of the upright 4113 is fixed on the bottom surface of the top plate 4112 via a linear bearing. The relative distance between the bottom plate 4111 and the top plate 4112 is fixed by ten columns 4113, so that the stability of the top plate 4112 above the base 30 is ensured, and the whole foundation frame 411 is stably arranged on the base 30. A plurality of wiring racks 4118 are further arranged on the top surface and the bottom surface of the bottom plate 4111 of the foundation frame 411, so that air circuits and circuits can be reasonably arranged during subsequent assembly, and interference in lifting of the top plate mounting frame 43 is avoided.
As shown in fig. 6 and 7, the connecting assembly 412 in the fixing frame 41 provided by the present invention includes a connecting block 4121 for fixedly connecting the two bottom plates 4111 and a connecting member 4122 for fixedly connecting the two top plates 4112. One end of the connecting block 4121 is fixed to the right side edge of the bottom plate 4111 on the left side, and the other end is fixed to the left side edge of the bottom plate 4111 on the right side. In this embodiment, two connecting blocks 4121 are provided between the two base plates 4111. The connecting member 4122 is a fixed block fixed on the top of the top plate 4112, and the front end of the connecting member 4122 is further provided with a guide seat for the guide post 433 of the top plate mounting bracket 43 to penetrate through.
Fig. 5 is a schematic perspective view of a driving assembly 42 of the lifting frame 40 according to the present invention. The driving assembly 42 provided by the invention comprises a driving cylinder 421, a mounting seat 422 for fixing the driving cylinder 421 on a bottom plate 4111, and a mounting block 423 for fixing a driving rod of the driving cylinder 421 on a top plate mounting frame 43. In this embodiment, as shown in fig. 4, there are four driving assemblies 42, the four driving assemblies 42 are uniformly arranged along the length direction of the rack 10 at intervals, and the four driving assemblies 42 drive the top plate mounting rack 43 to lift in the vertical direction. As shown in fig. 6, a through hole through which the driving cylinder 421 passes is provided in the bottom plate 4111 of the base frame 411. As shown in fig. 3, the driving cylinder 421 is fixed to the base plate 4111 via a mounting seat 422. And the floating joint of the driving cylinder 421 is fixed to the top plate mounting bracket 43 by the mounting block 423. The test control system 20 is electrically connected with the driving cylinder 421, controls the driving rod of the driving cylinder 421 to move in the vertical direction, and can adjust the moving speed of the driving rod in the vertical direction by adjusting the speed regulating valve 425 on the side surface of the driving cylinder 421, so that the ceiling mounting frame 43 is more stable when ascending and descending on the foundation frame 411. As shown in fig. 5, the mounting seat 422 of the driving assembly 42 is further provided with a limiting block 424 fixed above the mounting seat 422, and the distance between the top plate mounting frame 43 and the bottom plate 4111 is limited by the limiting block 424.
As shown in fig. 4, the antenna mounting bracket 43 of the present invention includes two base plates 431 respectively disposed in the base frame 411, a connecting plate 432 fixedly connecting the two base plates 431, and a plurality of guide posts 433 uniformly distributed on the top of the base plates 431. In the present embodiment, the ceiling mount 43 is formed by splicing a base plate 431 'on the left side and a base plate 431' on the right side. The three-dimensional structure of the substrate 431 on the left side is shown in fig. 8, and the three-dimensional structure of the substrate 431' on the right side is shown in fig. 9. The connecting plate 432 is located on the right side edge of the left substrate 431, and the left substrate 431 is fixedly connected to the right substrate 431' through the connecting plate 432.
As shown in fig. 8 and 9, the antenna mounting bracket 43 of the present invention is formed by splicing a left base plate 431 and a right base plate 431'. In this embodiment, four guiding pillars 433 are arranged on the front side of the left base plate 431, three guiding pillars 433 are located on the top of the base plate 431, and another guiding pillar 433 is fixed on the connecting plate 432, and all four guiding pillars 433 are located on the same straight line. Three guide posts 433 are arranged on the front side of the right base plate 431', and the three guide posts 433 are located on the top of the base plate 431' and are all in the same straight line. All the guide posts 433 arranged on the top plate mounting rack 43 are located on one side edge of the base plate 431, and the other side edge of the base plate 431 is fixedly connected with the driving cylinder 421 through the mounting block 423. The bottom surface of the base plate 431 is fixedly connected to the driving unit 42, and the lifting of the top plate mounting bracket 43 in the fixing member 41 is realized by the driving unit 42. Also, the top plate assembly 60 provided in the flexible circuit board electrical measuring machine 100 provided by the present invention is fixed to the bottom of the top plate mounting bracket 43.
As shown in fig. 8, the base 431 is provided with a plurality of mounting locations for the upright column 4113 to penetrate through, and each mounting location is provided with a first linear bearing 434 sleeved on the upright column 4113. The first linear bearing 434 is sleeved on the column 4113 of the base frame 411, so that the entire substrate 431 vertically moves up and down along the column 4113. In this embodiment, ten columns are disposed on one base frame 411, correspondingly, ten first linear bearings 434 are distributed on the rear side of the base plate 431, and each first linear bearing 434 is respectively sleeved on one column 4113. Ten first linear bearings 434 are arranged in two rows at the rear side of the base plate 431. A plurality of kidney-shaped holes are formed in the front side of the base plate 431, and a fixing screw set 4314 is disposed on the kidney-shaped holes, wherein the fixing screw set 4314 is used for fixedly connecting the base plate 431 and the top plate assembly 60. As shown in fig. 3, a plurality of waist-shaped holes 61 are respectively formed at the front and rear sides of the top plate assembly 60, the waist-shaped holes 61 are matched with the waist-shaped holes formed on the base plate 431, and the relative position between the top plate assembly 60 and the top plate mounting frame 43 is adjusted by matching with the fixing screw set 4314.
Meanwhile, as shown in fig. 8 and 9, a plurality of transverse beads 4311 and longitudinal beads 4312 are uniformly arranged on the top surfaces of the left base plate 431 and the right base plate 431', and the transverse beads 4311 and the longitudinal beads 4312 are staggered with each other on the top of the base plate 431, so that the strength of the base plate 431 is improved. And a plurality of buffer rubber blocks 4313 are arranged above the base plate 431, when the top plate mounting frame 43 ascends, the top of the buffer rubber blocks 4313 is abutted against the bottom surface of the top plate 4112 of the base frame 411, so that the direct collision between the top plate mounting frame 43 and the base frame 411 is avoided. As shown in fig. 6 and 7, the top plates 4112 of the base frame 411 on the left side and the base frame 411' on the right side are provided with second bumpers 4119, and the second bumpers 4119 and the bumper rubber blocks 4313 on the top plate mounting rack 43 all have the same function, so as to prevent the top plate 4112 of the base frame 411 from colliding with each other when the top plate mounting rack 43 is lifted.
In the lifting frame 40 provided by the present invention, a top plate 4112 of a base frame 411 of the fixing frame 41 is provided with a plurality of first auxiliary connecting plates 4114, one end of each first auxiliary connecting plate 4114 is fixed on the top plate 4112, and the other end is provided with a guide seat 4115 through which a guide post 433 of the top plate mounting frame 43 can be inserted. The first auxiliary connecting plate 4114 of the base frame 411 is a mounting plate extending from the top plate 4112 to the front side of the frame 10, and the mounting plate is engaged with the guide post 433 provided on the top plate mounting bracket 43, so as to ensure the smoothness of the front side of the base plate 431 (431') during lifting. This guide base 4115 is a linear guide fixed to the front end of the first auxiliary connecting plate 4114, and the guide post 433 penetrates therethrough.
As shown in fig. 4, the top plate mounting bracket 43 of the lifting frame 40 of the present invention further includes a connecting rod 435 located above the top plate 4112 of the base frame 411, one end of the guide post 433 is fixed to the base plate 431 through a second linear bearing, and the other end of the guide post 433 passes through the guide seat 4115 of the first auxiliary connecting plate 4114 and is fixed to the connecting rod 435. As shown in fig. 8, three guide posts 433 provided on the top of the left base plate 431 are fixed to the same connecting bar 435, and three guide posts 433 provided on the top of the right base plate 431' are fixed to the same connecting bar 435. An adapter 439 is disposed on the guide post 433 of the connector plate 432, and one end of the adapter 439 is fixedly connected to the connecting rod 435 disposed on the left substrate 431' and the other end is fixedly connected to the connecting rod 435 disposed on the right substrate 431', so that the connecting rods 435 of the left substrate 431 and the right substrate 431' are aligned in the same line. The connecting bar 435 is located at the top of the base frame 411 for fixing the top of the guide post 433. The guide post 433 maintains vertical stability in the elevation of the front side of the ceiling mounting frame 43.
Further, as shown in fig. 3 and 4, in the lifting frame 40 provided by the present invention, the base frame 411 further includes support guide posts 4116, one end of each support guide post 4116 is fixed on the base 30, and the other end of each support guide post 4116 is fixedly connected to the top plate 4112 by a second auxiliary connecting plate 4117. The supporting guide column 4116 is directly fixed to the base 30 in the frame 10 at the bottom, and fixed to the top plate 4112 of the base frame 411 at the top by a second auxiliary connecting plate 4117. The second auxiliary connecting plate 4117 extends from the side surface of the top plate 4112 to the top of the support guide column 4116 toward the outside. The support guide column 4116 is located outside the base frame 411 and the ceiling mounting frame 43. Therefore, as shown in fig. 8, the base plate 431 of the ceiling mounting bracket 43 further includes an extension block 437 fixed on the base plate 431, and the extension block 437 is provided with a third linear bearing 438 sleeved on the support guide post 4116. The third linear bearing 438 maintains the stability of the vertical ascent and descent of the top plate mount 43 by the outer side of the base plate 431.
The flexible circuit board electric measuring machine 100 provided by the invention is formed by splicing at least two racks 10, and the fixed frame 41 and the top plate mounting frame 43 in the lifting frame 40 arranged in the flexible circuit board electric measuring machine are formed by splicing two parts, so that the testing use of a large-size flexible circuit board is met, and the flexible circuit board electric measuring machine can be compatible with more sizes of flexible circuit boards. A plurality of driving components 42 are fixed on the rear side of the top plate mounting frame 43, and the driving components 42 are driven by the driving components 42 to lift on the front side of the fixing frame 41. The front side of the top plate mounting bracket 43 is used for mounting and fixing the top plate assembly 60. The rear side of the base 30 is provided with a fixing frame 41, the front side is provided with a carrier plate assembly 50, and the driving assembly 42 drives the top plate assembly 60 and the carrier plate assembly 50 to be pressed on the front side of the base 30. In order to ensure the stability and accuracy of the lifting of the top plate assembly 60 above the carrier plate assembly 50, the rear side of the top plate mounting frame 43 is provided with a plurality of first linear bearings 434, the first linear bearings 434 are sleeved on the upright posts 4113 of the base frame 411, and the lifting stability of the rear side of the top plate mounting frame 43 is limited by a plurality of upright posts 4113. The front side of this top plate mounting bracket 43 is provided with a plurality of guide posts 433, and this guide post 433 cooperates with the guide seat 4115 that fixes on the first supplementary connecting plate 4114 that sets up on the basic frame 411, restricts the stability that the top plate mounting bracket 43 front side goes up and down through a plurality of guide posts 433. Meanwhile, two support guide posts 4116 are respectively arranged on two sides of the fixing frame 41, the bottoms of the support guide posts 4116 are directly fixed on the base 30, the tops of the support guide posts 4116 are fixed through second auxiliary connecting plates 4117, and the stability of vertical lifting of the support guide posts is limited from two sides of the ceiling mounting frame 43. Through the mutual cooperation of the plurality of guide columns 433, the plurality of upright columns 4113 and the two supporting guide columns 4116 in the lifting frame 40, the vertical lifting of the whole top plate mounting frame 43 is controlled, the position accuracy is ensured when the top plate assembly 60 fixed at the bottom of the top plate mounting frame 43 is pressed against the carrier plate assembly 50 fixed on the base 30, and the test probes on the top plate assembly 60 can be accurately pricked on the flexible circuit board 70 on the carrier plate assembly 50 in the pressing process. In the whole lifting frame 40, 90% of parts are machined and formed by conventional machine tool machining, and can be used after being directly spliced and assembled without complex debugging, so that the whole lifting frame 40 can meet the requirements of design and production and the accuracy of the size when the top plate assembly 60 and the carrier plate assembly 50 are pressed together.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The electric measuring machine for the flexible circuit board is characterized by comprising at least two racks which are spliced with each other, a test control system arranged in the racks, a base which spans all the racks and a lifting frame which is fixed above the base and can lift relative to the base;
the test control system also comprises a carrier plate assembly which is fixed on the base and used for supporting the flexible circuit board and a top plate assembly which is fixed on the lifting frame and electrically connected with the test control system, wherein the top plate assembly is driven by the lifting frame to be pressed downwards and abutted to the flexible circuit board of the carrier plate assembly;
the lifting frame is including being fixed in span all on the base the mount of frame, a plurality of set up in drive assembly on the mount and by drive assembly drives the sky board mounting bracket that goes up and down in the mount, the sky board subassembly is fixed in on the sky board mounting bracket.
2. The electrical tester of claim 1 wherein said mounting frame includes two base frames disposed within said frame, respectively, and a connecting assembly fixedly connecting said two base frames; the foundation frame comprises a bottom plate, a top plate and a plurality of upright posts which fixedly connect the bottom plate with the top plate.
3. The electrical flexible circuit board tester as recited in claim 2, wherein said drive assembly comprises a drive cylinder, a mounting block securing said drive cylinder to said base plate, and a mounting block securing a drive rod of said drive cylinder to said top plate mounting block.
4. The electrical measuring machine for the flexible circuit board as claimed in claim 2, wherein the top board mounting frame comprises two base boards respectively located in the base frame, a connecting board fixedly connecting the two base boards, and a plurality of guide posts uniformly distributed on the top of the base boards, all the guide posts are located on one side edge of the base board, and the other side edge of the base board is fixedly connected with the driving cylinder through the mounting block.
5. The electrical testing machine for flexible circuit boards as claimed in claim 4, wherein said base plate is provided with a plurality of mounting locations for said posts to pass through, each of said mounting locations being provided with a first linear bearing sleeved on said post.
6. The electrical measuring machine for the flexible circuit board as claimed in claim 4, wherein a plurality of first auxiliary connecting plates are provided on the top plate of the base frame, one end of the first auxiliary connecting plate is fixed on the top plate, and the other end is provided with a guide seat for the guide post of the top plate mounting frame to penetrate through.
7. The electrical flexible circuit board measuring machine as claimed in claim 6, wherein said top plate mounting frame further comprises a connecting rod located above the top plate of said base frame, one end of said guide post is fixed to said base plate by a second linear bearing, and the other end of said guide post passes through a guide seat of said first auxiliary connecting plate and is fixed to said connecting rod.
8. An electrical flexible circuit board tester as in claim 2 wherein said connection assembly includes a connection block fixedly connecting two of said bottom plates and a connection member fixedly connecting two of said top plates.
9. The electrical tester of claim 4 wherein said base frame further comprises support guide posts, one end of said support guide posts being fixed to said base and the other end of said support guide posts being fixedly connected to said top plate by a second auxiliary connecting plate.
10. The electrical flexible circuit board measuring machine as claimed in claim 9, wherein the base plate of the top plate mounting bracket further comprises an extension block fixed to the base plate, the extension block being provided with a third linear bearing sleeved on the support guide post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211349480.3A CN115542129A (en) | 2022-10-31 | 2022-10-31 | Flexible circuit board electrical measuring machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211349480.3A CN115542129A (en) | 2022-10-31 | 2022-10-31 | Flexible circuit board electrical measuring machine |
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| CN115542129A true CN115542129A (en) | 2022-12-30 |
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| CN202211349480.3A Pending CN115542129A (en) | 2022-10-31 | 2022-10-31 | Flexible circuit board electrical measuring machine |
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