CN114460433A

CN114460433A - A tool for display mainboard ICT automatic test

Info

Publication number: CN114460433A
Application number: CN202011245091.7A
Authority: CN
Inventors: 张曾彪
Original assignee: Suzhou Terxin Precision Machinery Co ltd
Current assignee: Suzhou Terxin Precision Machinery Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2022-05-10

Abstract

The invention discloses a jig for automatically testing an ICT (information communication technology) of a display main board, and particularly relates to the technical field of testing jigs. According to the scheme, fixed subassembly has reached the effect of stabilizing the location with the display screen mainboard, places the display mainboard in the recess that the base top set up, through starting two sets of electric putter, can carry out the centre gripping location that stabilizes with display mainboard both sides, rotates simultaneously and changes the handle, makes the gag lever post rotatory, drives the limiting plate and moves down, adjusts the vertical distance between limiting plate and the display mainboard, realizes horizontal vertical dual fixed effect.

Description

A tool for display mainboard ICT automatic test

Technical Field

The invention relates to the technical field of test fixtures, in particular to a fixture for automatically testing an Information and Communication Technology (ICT) of a display mainboard.

Background

ICT test fixture indicates on-line measuring, test fixture, is to the electrical property of on-line components and parts and electrical connection test and inspect production manufacturing defect and the bad standard test equipment of components and parts, and the display mainboard is after finishing in production, need adopt testing arrangement to carry out the test of electrical property to it, and essential needs adopt ICT test fixture to carry out the auxiliary detection to guarantee the normal use of display mainboard.

However, when the ICT test fixture in the prior art performs test work, the structure is complex, and the display mainboard is troublesome to fix, when pressure is applied to the display mainboard, because the positioning precision is not high, the position of the display mainboard is easy to deviate, the test efficiency and accuracy of the display mainboard are reduced, the normal work of the test is affected, and in the prior art, a special needle bed fixture needs to be manufactured for each type of display mainboard, the fixture manufacturing and program development cycle is long, too many economic resources are consumed, and the practicability is poor.

Disclosure of Invention

In order to overcome the above defects in the prior art, embodiments of the present invention provide a jig for automatically testing an ICT on a display motherboard, so as to solve the problems that the positioning accuracy of the ICT testing jig in the prior art is not high and the ICT testing jig cannot be applied to various different types of display motherboards.

In order to achieve the purpose, the invention provides the following technical scheme: a jig for automatically testing an ICT (information communication technology) of a display main board comprises a base, wherein a supporting seat is fixedly installed at the bottom of the base, a groove is formed in the top of the base, a fixing frame is fixedly installed at the top of the base, a fixing assembly is arranged on the inner side of the fixing frame, an air cylinder is arranged on one side of the fixing frame, a lifting rod is fixedly installed at the bottom of the air cylinder, a fixing plate is fixedly installed at the bottom of the lifting rod, a testing plate is detachably installed at the bottom of the fixing plate, a probe is arranged at the bottom of the testing plate, a through hole is formed in the bottom of the testing plate, a sleeve is fixedly installed inside the through hole, and a second spring is arranged inside the sleeve;

the fixed subassembly is including fixed case, the inside fixed mounting of fixed case has electric putter, one side fixed mounting of electric putter has the holding frame, one side fixed mounting of holding frame has first spring, the other end fixed mounting of first spring has the stripper plate, one side fixed mounting of stripper plate has spacing seat, the inside threaded connection of spacing seat has the gag lever post, the bottom fixed mounting of gag lever post has the limiting plate.

The number of the supporting seats is four, the four supporting seats are welded to the bottom of the base in a rectangular mode, and the bottoms of the supporting seats are provided with anti-slip pads.

The first springs are fixed on one side of the clamping frame at equal intervals, and are fixedly connected with the same extrusion plate.

The top of the limiting seat is provided with a limiting hole, the limiting hole is in threaded connection with the limiting rod, the top end of the limiting rod is fixedly welded with a rotating handle, and the bottom end of the limiting rod is fixedly welded with the limiting plate.

The top of the cylinder is fixedly provided with a top plate, the bottom of the top plate is fixedly provided with two groups of fixing rods, the bottoms of the fixing rods are respectively connected with two groups of lantern rings, and the lantern rings are sleeved on one side of the fixing frame.

The number of the probes is a plurality of probes which are distributed at the bottom of the test board in a rectangular shape, the top ends of the probes are fixedly connected with the second springs, and the other ends of the second springs are fixedly connected with the inner wall of the sleeve.

The invention has the technical effects and advantages that:

in the scheme, the fixing assembly achieves the effect of stably positioning the display screen main board, the display main board is placed in the groove formed in the top of the base, two groups of electric push rods are started to stably clamp and position two sides of the display main board, the rotating handle is rotated at the same time, the limiting rod is rotated to drive the limiting plate to move downwards, the vertical distance between the limiting plate and the display main board is adjusted, and therefore fixing in the vertical direction is performed according to the height of the display main board, the display main board with different sizes can be adapted, the application range is wide, double positioning in the horizontal direction and the vertical direction can be achieved, and the positioning effect is more stable; the cylinder, the lifter, survey test panel, the probe, sleeve and second spring have realized saving economic resources and the high effect of tool commonality, make inseparable matrix to the probe, be connected with the second spring on the top of probe, drive the lifter through starting the cylinder and move down, slowly push down the tool, slow contact display mainboard, wait after the probe contacts the display mainboard completely, automatically, which probes of listening contact the test point, which does not contact the test point, thereby can be suitable for the display mainboard of multiple different shape sizes to detect, the practicality is stronger.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the fixing assembly of the present invention;

FIG. 3 is a schematic view of a structure of a retainer according to the present invention;

FIG. 4 is a schematic view of the cylinder structure of the present invention;

FIG. 5 is a schematic view of a test board according to the present invention.

The reference signs are:

1. a base; 2. a supporting seat; 3. a groove; 4. a fixed mount; 5. a fixing assembly; 51. a stationary box; 52. an electric push rod; 53. a clamping frame; 54. a first spring; 55. a pressing plate; 56. a limiting seat; 57. a limiting rod; 58. a limiting plate; 6. a cylinder; 7. a lifting rod; 8. a fixing plate; 9. a test board; 10. a probe; 11. a through hole; 12. a sleeve; 13. a second spring; 14. a top plate; 15. fixing the rod; 16. a collar.

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.

The embodiment of the invention provides a jig for automatically testing an Information and Communication Technology (ICT) of a display main board, which comprises a base 1, wherein a supporting seat 2 is fixedly installed at the bottom of the base 1, a groove 3 is formed in the top of the base 1, a fixing frame 4 is fixedly installed at the top of the base 1, a fixing component 5 is arranged on the inner side of the fixing frame 4, an air cylinder 6 is arranged on one side of the fixing frame 4, a lifting rod 7 is fixedly installed at the bottom of the air cylinder 6, a fixing plate 8 is fixedly installed at the bottom of the lifting rod 7, a testing plate 9 is detachably installed at the bottom of the fixing plate 8, a probe 10 is arranged at the bottom of the testing plate 9, a through hole 11 is formed in the bottom of the testing plate 9, a sleeve 12 is fixedly installed inside the through hole 11, and a second spring 13 is arranged inside the sleeve 12;

the fixing component 5 comprises a fixing box 51, an electric push rod 52 is fixedly installed inside the fixing box 51, a clamping frame 53 is fixedly installed on one side of the electric push rod 52, a first spring 54 is fixedly installed on one side of the clamping frame 53, an extrusion plate 55 is fixedly installed at the other end of the first spring 54, a limiting seat 56 is fixedly installed on one side of the extrusion plate 55, a limiting rod 57 is connected with the inner thread of the limiting seat 56, and a limiting plate 58 is fixedly installed at the bottom of the limiting rod 57;

wherein, the quantity of supporting seat 2 is four, and four supporting seats 2 are the rectangle and weld in the bottom of base 1, and the bottom of four supporting seats 2 all is provided with the slipmat, and the quantity of fixed subassembly 5 is two, and two fixed subassemblies 5 distribute respectively in the inner wall both sides of mount 4.

As shown in fig. 2 and 3, the number of the first springs 54 is a plurality of, the first springs 54 are equidistantly fixed on one side of the clamping frame 53, the first springs 54 are fixedly connected with the same extrusion plate 55, the top of the limiting seat 56 is provided with a limiting hole, the limiting hole is in threaded connection with the limiting rod 57, the top end of the limiting rod 57 is fixedly welded with a rotating handle, and the bottom end of the limiting rod 57 is fixedly welded with the limiting plate 58.

Specifically, electric putter 52 starts, drives two stripper plates 55 through two electric putter 52 and carries out the fixed display mainboard of horizontal extrusion, rotate and change the handle, it is rotatory to make gag lever post 57, drive limiting plate 58 downstream, adjust the vertical distance between limiting plate 58 and the display mainboard, thereby highly adjust and fix according to the display mainboard, thereby reach horizontal and vertical dual fixed effect, first spring 54 can be when carrying out the fixed display mainboard of extrusion, play good shock attenuation buffer function, avoid the display mainboard to take place to damage.

As shown in fig. 4 and 5, the top fixed mounting of cylinder 6 has roof 14, the bottom fixed mounting of roof 14 has two sets of dead levers 15, the bottom of two sets of dead levers 15 is connected with two sets of lantern rings 16 respectively, and two sets of lantern rings 16 all suit to one side of mount 4, the quantity of probe 10 is a plurality of, a plurality of probe 10 is the rectangle distribution in the bottom of surveying board 9, the top and the second spring 13 fixed connection of probe 10, and the other end of second spring 13 and the inner wall fixed connection of sleeve 12.

Specifically, the drive is opened to cylinder 6, drive lifter 7 downstream through cylinder 6, make lifter 7 drive and survey test panel 9 downstream, and simultaneously, probe 10 also downstream is close to the display mainboard gradually, thereby can carry out detection achievement, can be used for protecting probe 10 through setting up second spring 13, also can prevent to crush the display mainboard when probe 10 pushes down, through the lift of control matrix probe 10, realize commonality and the reusability to the test of all display mainboards, need not make the tool to corresponding display mainboard customization again, the time of test tool manufacturing has been reduced, test cycle has been shortened, test tool's input cost has still been reduced in addition, money cost and time cost have been saved.

The working process of the invention is as follows:

in the above solution, the fixing component 5 achieves the effect of stably positioning the display main board, the cylinder 6, the lifting rod 7, the testing board 9, the probe 10, the sleeve 12 and the second spring 13 achieve the effects of saving economic resources and having high tool versatility, when in use, the display main board is placed in the groove 3, the electric push rod 52 is started to operate, the two squeezing plates 55 are driven by the two electric push rods 52 to transversely squeeze and fix the display main board, the rotating handle is rotated to rotate the limiting rod 57 to drive the limiting plate 58 to move downwards, the vertical distance between the limiting plate 58 and the display main board is adjusted, so as to adjust and fix according to the height of the display main board, thereby achieving the effect of double fixing in the transverse and vertical directions, the first spring 54 can play a good role of shock absorption and buffering when squeezing and fixing the display main board, and avoiding the display main board from being damaged, open the drive with cylinder 6, drive lifter 7 downstream through cylinder 6, make lifter 7 drive and survey test panel 9 downstream, and simultaneously, probe 10 also downstream is close to the display mainboard gradually, thereby can carry out detection achievement, can be used for protecting probe 10 through setting up second spring 13, also can prevent to crush the display mainboard when probe 10 pushes down, through the lift of control matrix probe 10, realize commonality and the reusability to all display mainboard tests, need not make the tool to corresponding display mainboard customization again, the time of test fixture manufacturing has been reduced, the test cycle has been shortened, in addition still reduced the input cost of test fixture, money cost and time cost have been saved.

In the above scheme, the base 1 is used to the cooperation between the lantern ring 16 structure, has solved not high and can't be suitable for the problem of multiple different kinds of display mainboard of ICT test fixture positioning accuracy among the prior art.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a tool for automatic test of display mainboard ICT, includes base (1), its characterized in that, the bottom fixed mounting of base (1) has supporting seat (2), the top of base (1) is seted up flutedly (3), the top fixed mounting of base (1) has mount (4), the inboard of mount (4) is provided with fixed subassembly (5), one side of mount (4) is provided with cylinder (6), the bottom fixed mounting of cylinder (6) has lifter (7), the bottom fixed mounting of lifter (7) has fixed plate (8), the bottom demountable installation of fixed plate (8) has test panel (9), the bottom of testing panel (9) is provided with probe (10), through-hole (11) have been seted up to the bottom of testing panel (9), the inside fixed mounting of through-hole (11) has sleeve (12), a second spring (13) is arranged inside the sleeve (12);

fixed subassembly (5) are including fixed case (51), the inside fixed mounting of fixed case (51) has electric putter (52), one side fixed mounting of electric putter (52) has holding frame (53), one side fixed mounting of holding frame (53) has first spring (54), the other end fixed mounting of first spring (54) has stripper plate (55), one side fixed mounting of stripper plate (55) has spacing seat (56), the internal thread connection of spacing seat (56) has gag lever post (57), the bottom fixed mounting of gag lever post (57) has limiting plate (58).

2. The tool for automatically testing the ICT of the display main board according to claim 1, wherein the number of the supporting seats (2) is four, four supporting seats (2) are welded to the bottom of the base (1) in a rectangular shape, and anti-slip pads are disposed at the bottoms of the four supporting seats (2).

3. The tool for automatically testing the display motherboard ICT according to claim 1, characterized in that the number of the fixing components (5) is two, and the two fixing components (5) are respectively distributed on two sides of the inner wall of the fixing frame (4).

4. The tool for automatically testing the ICT of the display main board according to claim 1, wherein the number of the first springs (54) is several, the several first springs (54) are equidistantly fixed on one side of the clamping frame (53), and the several first springs (54) are fixedly connected to the same pressing plate (55).

5. The tool for automatically testing the ICT of the display main board according to claim 1, wherein a limiting hole is formed in the top of the limiting seat (56), the limiting hole is in threaded connection with the limiting rod (57), a rotating handle is fixedly welded to the top end of the limiting rod (57), and the bottom end of the limiting rod (57) is fixedly welded to the limiting plate (58).

6. The tool for automatically testing the ICT of the display main board according to claim 1, wherein a top plate (14) is fixedly installed at the top of the cylinder (6), two sets of fixing rods (15) are fixedly installed at the bottom of the top plate (14), the bottoms of the two sets of fixing rods (15) are respectively connected with two sets of lantern rings (16), and the two sets of lantern rings (16) are sleeved on one side of the fixing frame (4).

7. The tool for automatically testing the ICT of the display main board according to claim 1, wherein the number of the probes (10) is several, the several probes (10) are distributed at the bottom of the test board (9) in a rectangular shape, the top ends of the probes (10) are fixedly connected with the second spring (13), and the other ends of the second spring (13) are fixedly connected with the inner wall of the sleeve (12).