CN-224231901-U - Flying probe tester

CN224231901UCN 224231901 UCN224231901 UCN 224231901UCN-224231901-U

Abstract

The utility model discloses a flying probe testing machine, which relates to the field of flying probe testing and comprises a support frame, an upper beam, a lower beam, a mounting plate, a flying probe testing mechanism and a workbench for fixing a board to be tested, wherein the flying probe testing mechanism and the workbench are sequentially arranged in the horizontal direction, the upper beam, the mounting plate and the lower beam are arranged in the gravity direction, the workbench is embedded in the central position of the mounting plate, the upper end and the lower end of the flying probe testing mechanism are respectively arranged on the upper beam and the lower beam, the upper beam and the lower beam are respectively arranged at the upper end and the lower end of the support frame, the mounting plate is parallel to the gravity direction, and the mounting plate is detachably arranged in the central position of the support frame. The mounting plate, the cross beam and the support frame are made of marble, so that the strength is high and the weight is heavy, and the shake of the mounting plate in the slot is reduced. When the circuit boards with different specifications need to be tested, the original mounting plate is detached, the workbench and the testing mechanism are adjusted, and then the mounting plate is installed back to the supporting frame, so that the time required for replacement can be reduced.

Inventors

LU YUHUA
JIANG GUOCHAO
REN JUN

Assignees

惠州市旺通达电子有限公司

Dates

Publication Date: 20260512
Application Date: 20250120

Claims (9)

1. The flying probe testing machine is characterized by comprising a support frame, an upper beam, a lower beam, a mounting plate, a flying probe testing mechanism and a workbench for fixing a board to be tested, wherein the flying probe testing mechanism and the workbench are sequentially arranged in the horizontal direction, the upper beam, the mounting plate and the lower beam are arranged in the gravity direction, the workbench is embedded in the central position of the mounting plate, the upper end and the lower end of the flying probe testing mechanism are respectively arranged on the upper beam and the lower beam, the upper beam and the lower beam are respectively arranged at the upper end and the lower end of the support frame, the mounting plate is parallel to the gravity direction, and the mounting plate is detachably arranged in the central position of the support frame.
2. The flying probe tester according to claim 1, wherein the supporting frame comprises two supporting plates which are symmetrically arranged, two ends of the mounting plate are respectively detachably arranged at the central positions of the two supporting plates, two ends of the upper cross beam are respectively detachably arranged at the upper ends of the two supporting plates, and two ends of the lower cross beam are respectively detachably arranged at the lower ends of the two supporting plates.
3. The flying probe tester according to claim 2, wherein the upper end of the supporting plate is provided with a slot along the gravity direction, one end of the mounting plate is inserted into the slot along the gravity direction, and the upper cross beam is projected into the mounting plate along the horizontal direction.
4. The flying probe tester according to claim 3, wherein the upper cross beam and the lower cross beam are detachably arranged at the upper end and the lower end of the support frame respectively through screws, threaded holes matched with the screws are formed in the upper end and the lower end of the support frame, and the threaded holes are symmetrically arranged with respect to the slot.
5. The flying probe tester according to claim 3, wherein a is the length of the slot, L is the height of the supporting plate, and the upper beam, the lower beam, the mounting plate and the supporting plate are made of marble.
6. The flying probe testing machine according to claim 5, wherein the cross section of the mounting plate along the gravity direction is rectangular and annular, and an opening for embedding the workbench is formed in the center of the mounting plate.
7. The flying probe testing machine of claim 1, wherein the flying probe testing mechanism comprises a triaxial moving platform, a probe clamping plate and a test probe which are sequentially connected, the triaxial moving platform comprises an X-axis linear motor, a Y-axis linear motor and a Z-axis linear motor, and the X-axis linear motor, the Y-axis linear motor, the Z-axis linear motor and the probe clamping plate are sequentially connected.
8. The flying probe tester according to claim 7, wherein the X-axis linear motor, the Y-axis linear motor and the Z-axis linear motor comprise stators and movers, the upper cross beam and the lower cross beam are detachably provided with brackets, and the stators of the X-axis linear motor are arranged in the brackets in a one-to-one correspondence manner.
9. The flying probe testing machine of claim 1, wherein the workbench is a sucker workbench, a plurality of vacuum adsorption holes are formed in the surface, close to the flying probe testing mechanism, of the sucker workbench in an array mode, limit strips are arranged on the surface, close to the flying probe testing mechanism, of the sucker workbench, and the limit strips are arranged around a board to be tested.

Description

Flying probe tester Technical Field The utility model relates to the field of flying probe testing, in particular to a flying probe testing machine. Background The flying probe tester is used for testing whether a circuit board is qualified or not, a positioning mechanism and a testing mechanism are arranged on a tooling plate of the flying probe tester, the circuit board is arranged on the positioning mechanism, contact detection is carried out on welding spots of the circuit board through the testing mechanism, and when different types of circuit boards are tested, different positioning mechanisms and testing probes are required to be replaced. However, on a common flying probe tester, the distance between the test probe and the tool is small, so that the operation space is limited, and the tool and the test probe are difficult to detach. Generally, the fixture is detached from the mounting plate, then the positioning mechanism on the fixture is detached, and then a proper positioning mechanism is selected for mounting according to different types of circuit boards. The existing flying probe tester has more disassembly steps on the tool and the test probe, so that the replacement time is longer. Accordingly, the present utility model provides a flying probe tester to solve the above-mentioned problems in the prior art. Disclosure of utility model The flying needle testing machine comprises a support frame, an upper beam, a lower beam, a mounting plate, a flying needle testing mechanism and a workbench for fixing a plate to be tested, wherein the flying needle testing mechanism and the workbench are sequentially arranged in the horizontal direction, the upper beam, the mounting plate and the lower beam are arranged in the gravity direction, the workbench is embedded in the central position of the mounting plate, the upper end and the lower end of the flying needle testing mechanism are respectively arranged on the upper beam and the lower beam, the upper beam and the lower beam are respectively arranged at the upper end and the lower end of the support frame, the mounting plate is parallel to the gravity direction, and the mounting plate is detachably arranged in the central position of the support frame in the gravity direction so as to detach and replace the mounting plate on the support frame. The test probe is used for testing the contact points on the board to be tested by horizontally moving and contacting the board to be tested on the vertical fixing working table, and the board to be tested is vertically fixed, so that the circuit board with oversized size can be tested, and the specification of the board to be tested is prevented from being limited by the working table horizontally placed by the tester. Preferably, the support frame includes two backup pads that the symmetry set up, the mounting panel both ends can be dismantled respectively and set up in the central point of two backup pads put, the entablature both ends can be dismantled respectively and set up in the upper end of two backup pads, the entablature both ends can be dismantled respectively and set up in the lower extreme of two backup pads, in order to dismantle between two backup pads and replace the mounting panel. Preferably, the slot is set up along the direction of gravity to the backup pad upper end, mounting panel one end is inserted along the direction of gravity and is located in the slot, entablature and entablature are along the horizontal direction projection in the mounting panel, with vertical downward installation or vertical upwards dismantlement the mounting panel. The upper cross beam and the lower cross beam are prevented from blocking the mounting plate in the vertical direction. Preferably, the upper beam and the lower beam are detachably arranged at the upper end and the lower end of the support frame respectively through screws, threaded holes matched with the screws are formed in the upper end and the lower end of the support frame, and the threaded holes are symmetrically arranged with respect to the slots so as to realize that the upper beam is selectively arranged at two end angle positions at the upper end of the support frame and the lower beam is selectively arranged at two end angle positions at the lower end of the support frame. Preferably, a < L, wherein a is the length of the slot, L is the height of the supporting plate, the mounting plate is vertically downwards inserted into the slot or vertically upwards pulled out from the slot, and the upper cross beam, the lower cross beam, the mounting plate and the supporting plate are all made of marble materials, so that the structural strength is high and the weight is heavy. The mounting plates can be supported and fixed through the two support plates, and the mounting plates with different widths can be adapted through adjusting the positions of the two support plates. Preferably, the cross section of mounting panel along the direction of gravity is