CN216606292U - On-line automatic cleaning machine for needle plate of on-test tool - Google Patents

Abstract

An on-line automatic cleaning machine for a probe card of a tool under test, which is installed at one side of a conveying rail of an automated testing system, for cleaning a probe card of a tool under test on a loading board conveyed on the conveying rail, comprising: two support columns fixed on one side of the conveying track at intervals; the online automatic cleaning module is fixed on the two support columns and positioned above the conveying track, and is provided with a cleaning group and a driving group, the cleaning group is provided with a plurality of wiping heads corresponding to a plurality of to-be-cleaned areas of the tooling needle plate placed on the lower bearing plate, the cleaning group is also provided with a dust collector, and the driving group is provided with a Z-axis driver and a rotating driver; and the online automatic control module comprises an inductor and a programmable logic controller, and the programmable logic controller is electrically connected with the inductor, the dust collector of the cleaning group and the driving group.

Description

On-line automatic cleaning machine for needle plate of on-test tool

Technical Field

The utility model relates to an on-line automatic cleaning machine for a needle plate of an on-test tool.

Background

At present, the function test of the automatic test line of the vehicle-mounted complete machine is carried out in a mode of automatic circular flow of a test tool, and a butt joint needle plate on the test tool is responsible for being connected with probes of an upper tool and a lower tool to complete signal transmission and realize automatic test. However, in the flowing process of testing the tool, the belt often causes the contact failure due to the fact that the belt pulls the flock and the foreign matters such as dust are left on the butt joint needle plate, meanwhile, the probe and the needle plate are often in butt joint, the condition that the probe plate and the probe in the testing tool are in poor contact due to the existence of dirt and the like, and further the testing failure or unstable testing is caused, so all the probe plates in the testing tool need to be cleaned regularly. The existing cleaning mode is manual operation, time and labor are wasted, efficiency is not high, and real-time cleaning cannot be realized.

Therefore, it is necessary to provide an on-line automatic cleaning machine for a tool needle plate during testing, so as to realize the automatic cleaning of the tool needle plate, achieve the purposes of on-line, automatic, real-time, fast and efficient cleaning, strengthen the tight connection between the needle plate and a probe, improve the stability of the test, save manpower and improve the test efficiency.

Disclosure of Invention

The utility model aims to provide an on-line automatic cleaning machine for a probe card of an on-test tool, which can automatically, real-timely, quickly and efficiently clean the probe card of the on-test tool transmitted on a conveying track of an automatic testing system.

In order to solve the above technical problems, the present invention provides an on-line automatic cleaning machine for a probe card of an on-test tool, which is installed at one side of a conveying track of an automated testing system, and is used for cleaning a probe card of an on-test tool on a carrying plate conveyed on the conveying track, comprising:

two support columns fixed on one side of the conveying track at intervals;

the automatic online cleaning module is fixed on the two support columns and positioned above the conveying track, the automatic online cleaning module is provided with a cleaning group and a driving group, the cleaning group is provided with a plurality of cleaning heads corresponding to a plurality of areas to be cleaned of a tool needle plate placed on a bearing plate below, the cleaning group is also provided with a dust collector, a suction nozzle of the dust collector is arranged between the cleaning heads and is opened towards the tool needle plate under test for absorbing dust generated when the cleaning heads clean the tool needle plate, the driving group is provided with a Z-axis driver and a rotating driver, the Z-axis driver is connected with the cleaning group and is used for driving the cleaning group to move up and down, and the rotating driver is connected with the cleaning heads and is used for driving the cleaning heads to rotate for cleaning; and

an online automatic control module, it includes a inductor and a programmable logic controller, the inductor is set up below the delivery track, it is used for when the loading board moves and stops to the cleaning group directly under along with the delivery track, send a trigger signal to the programmable logic controller, its electrical connection should inductor, dust collector and the drive group of the cleaning group, after receiving the trigger signal, it is used for controlling the Z-axis driver to drive the cleaning group to move downward and should clean the head and contact should be examining the tooling faller according to presetting, and control should rotate the driver and rotate the head and clean should be examining the tooling faller, and control the dust collector of the cleaning group to absorb the dust that these cleaning heads produce while cleaning should be examining the tooling faller at the same time.

Preferably, the on-line automatic cleaning machine for the needle plate of the measuring tool is further provided with a protective cover, and the two support columns, the on-line automatic cleaning module and the on-line automatic control module are covered in a semi-surrounding mode.

Compared with the prior art, the on-line automatic cleaning machine for the tool faller detects that the tool faller to be cleaned is positioned below the cleaning group through the sensor, and then informs the programmable logic controller to enable the Z-axis driver of the driving group to drive the cleaning head of the cleaning group to move downwards, control the rotating driver to rotate the cleaning head to clean the tool faller, and simultaneously control the dust collector of the cleaning group to adsorb dust generated when the cleaning head cleans the tool faller, so that the automatic cleaning of the tool faller is realized, the on-line automatic, real-time, fast and efficient cleaning is really realized, the tight connection between the tool faller and the probe is strengthened, the stability of the test is improved, the manpower is saved, and the aim of improving the test efficiency is fulfilled.

[ description of the drawings ]

FIG. 1 is a schematic view of the appearance of an on-line automatic cleaning machine for a probe card in a testing tool according to the present invention.

FIG. 2 is a functional block diagram of an on-line automatic cleaning machine for probe card of the testing tool according to the present invention.

[ detailed description ] embodiments

Referring to fig. 1-2, the present invention provides an on-line automatic cleaning machine for on-line probe cards of an on-test tool, which is installed at one side of a conveying track 7 of an automated testing system and is used for cleaning an on-test tool probe card 9 on a carrying plate 8 conveyed on the conveying track 7.

The two supporting columns 1 are fixed at one side of the conveying track 7 at intervals.

The on-line automatic cleaning module 2 is fixed on the two supporting columns 1 and located above the conveying track 7, and the on-line automatic cleaning module 2 is provided with a cleaning set 20 and a driving set 21. The cleaning group 20 is provided with a plurality of wiping heads 200 corresponding to a plurality of areas (not labeled) to be cleaned of the tooling faller 9 placed on the lower bearing plate 8, so that the plurality of wiping heads 10 can wipe the whole tooling faller 9 at one time. The cleaning assembly 20 is further provided with a dust collector 201, and a suction nozzle (not shown) of the dust collector 201 is disposed between the plurality of wiping heads 10 and opened toward the in-process tooling pin plate 9 for absorbing dust generated when the wiping heads 200 wipe the in-process tooling pin plate 9. The driving unit 21 has a Z-axis driver 210 and a rotation driver 211, and the Z-axis driver 210 is connected to the cleaning unit 20 for driving the cleaning unit 20 to move up and down. The rotation driver 211 is connected to the plurality of wiping heads 201, and is used for driving the wiping heads 201 to rotate for wiping.

The online automatic control module 3 includes a sensor 30 and a Programmable Logic Controller (PLC) 31, where the sensor 30 is disposed below the conveying track 7, and is configured to send a trigger signal to the PLC 31 when the carrier plate 8 moves along with the conveying track 7 and stops under the cleaning group 20. The plc 31, electrically connected to the sensor 30, the vacuum cleaner 201 of the cleaning set 20, and the driving set 21, is configured to control the Z-axis driver 210 to drive the cleaning set 20 to move downward until the cleaning head 10 contacts the tool probe 9 according to a preset setting after receiving the trigger signal, and control the rotation driver 211 to rotate the cleaning head 200 to clean the tool probe 9, and simultaneously control the vacuum cleaner 201 of the cleaning set 20 to absorb dust generated when the cleaning head 200 cleans the tool probe 9.

In this embodiment, for the sake of safety, the present invention further provides a protective cover 4 covering the two support columns 1, the on-line automatic cleaning module 1, and the on-line automatic control module 2 in a semi-enclosed manner in the on-line automatic cleaning machine for the probe card of the testing tool.

In summary, after the on-line automatic cleaning machine for tool-testing needle plates detects that the tool-testing needle plate 9 to be cleaned is located below the cleaning group 20 through the sensor 30, the programmable logic controller 31 is notified, the Z-axis driver 210 of the driving group 1 drives the cleaning head 10 of the cleaning group 20 to move downwards, and controls the rotary driver 211 to rotate the cleaning head 200 to clean the tool-testing needle plate 9, and at the same time controls the dust collector 201 of the cleaning group 20 to absorb dust generated when the cleaning head 200 cleans the tool-testing needle plate 9, so that automatic cleaning of the tool-testing needle plate is realized, and the purposes of on-line, automatic, real-time, fast and efficient cleaning, tight connection between the tool-testing needle plate and a probe, improvement of testing stability, labor saving and improvement of testing efficiency are really achieved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (2)

1. An on-line automatic cleaning machine for a probe card of a tool under test, which is installed at one side of a conveying track of an automated testing system, and is used for cleaning the probe card of the tool under test on a bearing plate conveyed on the conveying track, and is characterized by comprising:

two support columns fixed on one side of the conveying track at intervals;

the automatic online cleaning module is fixed on the two support columns and positioned above the conveying track, the automatic online cleaning module is provided with a cleaning group and a driving group, the cleaning group is provided with a plurality of cleaning heads corresponding to a plurality of areas to be cleaned of a tool needle plate placed on a bearing plate below, the cleaning group is also provided with a dust collector, a suction nozzle of the dust collector is arranged between the cleaning heads and is opened towards the tool needle plate under test for absorbing dust generated when the cleaning heads clean the tool needle plate, the driving group is provided with a Z-axis driver and a rotating driver, the Z-axis driver is connected with the cleaning group and is used for driving the cleaning group to move up and down, and the rotating driver is connected with the cleaning heads and is used for driving the cleaning heads to rotate for cleaning; and

an online automatic control module, it includes a inductor and a programmable logic controller, the inductor is set up below the delivery track, it is used for when the loading board moves and stops to the cleaning group directly under along with the delivery track, send a trigger signal to the programmable logic controller, its electrical connection should inductor, dust collector and the drive group of the cleaning group, after receiving the trigger signal, it is used for controlling the Z-axis driver to drive the cleaning group to move downward and should clean the head and contact should be examining the tooling faller according to presetting, and control should rotate the driver and rotate the head and clean should be examining the tooling faller, and control the dust collector of the cleaning group to absorb the dust that these cleaning heads produce while cleaning should be examining the tooling faller at the same time.

2. The on-line automatic cleaning machine for needle plate in measuring tool of claim 1, further comprising a protection cover for covering the two support columns, the on-line automatic cleaning module and the on-line automatic control module in a semi-surrounding manner.

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