CN218412628U

CN218412628U - Fixing jig for probe test

Info

Publication number: CN218412628U
Application number: CN202222202421.5U
Authority: CN
Inventors: 赵成兵
Original assignee: Suzhou Geju Electronic Technology Co ltd
Current assignee: Suzhou Geju Electronic Technology Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-01-31
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a fixing jig for probe test, which relates to the technical field of electronic circuit test and comprises a workbench, a detection unit and a positioning unit; the left side and the right side of the upper end of the workbench are provided with positioning units; the detecting element includes axis of rotation, gear one, telescopic link, fixing base, motor one, screw rod, slide bar, slider and movable assembly, the upper end center of workstation is equipped with the axis of rotation, the upper end of axis of rotation is equipped with gear one, the lower extreme of the upper end center fixed connection telescopic link of gear one, the upper end of telescopic link is equipped with the fixing base, the one end of right-hand member fixed connection motor one of fixing base, the one end of the output shaft fixed connection screw rod of motor one, the right-hand member of fixing base is located the rear side of screw rod and is equipped with a slide bar, and the holistic adjustment flexibility of its structural design is higher, can satisfy the user demand on a larger scale, and is more stable to the centre gripping location of work piece, has promoted the overall efficiency of test.

Description

Fixing jig for probe test

Technical Field

The utility model relates to an electronic circuit tests technical field, specifically is a probe test is with fixed tool.

Background

The jig is a tool for carpenters, ironmen, pincers, machines, electrical controls and other handicrafts, and is mainly used as a tool for assisting in controlling position or action (or both). The jig can be divided into a process assembly type jig, a project test type jig and a circuit board test type jig. The probe is a test needle for testing PCBA, the surface of the probe is plated with gold, and a high-performance spring with the average service life of 3-10 ten thousand is arranged in the probe. In the process of research and development and production of electronic circuits, the on-off and quality of signals are often required to be tested and analyzed, and in this time, a precise test probe is required to be used for taking out the signals without damage and providing the signals to a corresponding ICT or test system for integrated analysis.

Most of existing jigs are not high enough in adjustment flexibility, cannot meet the use requirements of a large range, are limited in clamping and positioning of workpieces, and reduce the overall testing efficiency.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a fixed tool is used in probe test, its structural design is holistic to adjust the flexibility higher, can satisfy the user demand on a large scale, and relatively stable to the centre gripping location of work piece, has promoted the whole efficiency of test, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fixing jig for probe test comprises a workbench, a detection unit and a positioning unit;

a workbench: the left side and the right side of the upper end of the positioning device are provided with positioning units;

a detection unit: include axis of rotation, gear one, telescopic link, fixing base, motor one, screw rod, slide bar, slider and movable assembly, the upper end center of workstation is equipped with the axis of rotation, the upper end of axis of rotation is equipped with gear one, the lower extreme of upper end center fixed connection telescopic link of gear one, the upper end of telescopic link is equipped with the fixing base, the one end of right-hand member fixed connection motor one of fixing base, the one end of output shaft fixed connection screw rod of motor one, the right-hand member of fixing base is located the rear side of screw rod and is equipped with a slide bar, the screw hole at middle part threaded connection slider middle part of screw rod, both ends are located the rear side of screw hole and have seted up the slide opening about the slider, and the inner wall lateral sliding connection slide bar of slide opening, the rear side that the upper end of workstation is located the axis of rotation is equipped with movable assembly, the input of motor one is connected with external power source's output electricity through external control switch group.

The workstation supports overall structure, promote the stability of operation, arrange the work piece in the positioning unit when detecting, then open movable assembly and make it drive gear one and rotate along the position of axis of rotation, the angle that the adjustment detected, the fixing base on the further control telescopic link carries out angular adjustment, after the angle is confirmed, the adjustment detects the distance of position, open the motor and drive the screw rod and rotate, the slider that makes its threaded connection moves about along the direction of slide bar through the slide opening, thereby realize the purpose of nimble adjustment.

Furthermore, the movable assembly comprises a second motor and a second gear, the second motor is arranged at the rear side, located on the rotating shaft, of the upper end of the workbench, an output shaft of the second motor is fixedly connected with one end of the second gear, the second gear is meshed with the first gear, and the input end of the second motor is electrically connected with the output end of the external power supply through an external control switch group. When the detected angle is adjusted, the second motor is started to drive the second gear to rotate, so that the second gear is meshed with the first gear to achieve the purpose of adjusting the angle.

Further, the positioning unit includes places base, locating hole, spacer pin and cross constant head tank, the upper end of workstation is located the left and right sides of axis of rotation and is equipped with the base of placing that a size differs respectively, the upper end of placing the base is equipped with the locating hole of rectangle array, and the inner wall of inboard locating hole is equipped with the spacer pin, and two upper end centers of placing the base have seted up a cross constant head tank respectively. During detection, the workpiece is placed on a proper placing base according to the size of the workpiece, the position of the workpiece is adjusted through the positioning hole and the cross positioning groove, the detection accuracy is improved, and when the position of the workpiece needs to be fixed, the limiting pin is inserted into the proper positioning hole, so that the clamping stability is improved.

Furthermore, the probe card connector also comprises a probe card connector base, wherein the center of the lower end of the sliding block is provided with the probe card connector base, and the lower end of the probe card connector base is clamped with one end of a probe. The probe card connecting seat can firmly clamp the probes, and different probes can be replaced according to different requirements for testing.

Furthermore, the sliding rod further comprises a limiting piece, the right end of the sliding rod is fixedly connected with the rear side of the left end of the limiting piece, and the front side of the left end of the limiting piece is rotatably connected with the right end of the screw rod. The limiting piece limits the moving position of the sliding block and increases the connection stability between the structures.

Furthermore, the anti-falling workbench further comprises supporting legs, wherein the four corners of the lower end of the workbench are respectively provided with one supporting leg, and the lower ends of the supporting legs are provided with anti-falling sheets. The supporting legs support the whole structure, and the operation stability is improved.

Compared with the prior art, the beneficial effects of the utility model are that: this fixed tool for probe test has following benefit:

1. the fixed jig for the probe test is provided with the detection units with flexibly changeable angles and high and low positions, can adapt to different detection workpieces, and improves the convenience of the whole use;

2. according to the fixing jig for the probe test, the two different placing bases are arranged, and the flexible detection structure is matched, so that the overall detection efficiency is improved, and meanwhile, the accuracy of a test result can be ensured;

3. the fixing jig for the probe test has the advantages that the whole adjustment flexibility of the structural design is high, the use requirements on a large range can be met, the clamping and positioning of workpieces are stable, and the whole testing efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1 workbench, 2 detection units, 21 rotating shaft, 22 gear I, 23 telescopic rod, 24 fixing seat, 25 motor I, 26 screw rod, 27 sliding rod, 28 sliding block, 29 motor II, 210 gear II, 3 positioning unit, 31 placing base, 32 positioning hole, 33 limiting pin, 34 cross positioning groove, 4 probe card connecting seat, 5 limiting piece and 6 supporting leg.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present embodiment provides a technical solution: a fixing jig for probe test comprises a workbench 1, a detection unit 2 and a positioning unit 3;

a workbench 1: the left and right sides of the upper end of the positioning unit 3 are provided with positioning units;

the positioning unit 3 includes a placing base 31, a positioning hole 32, a limiting pin 33 and a cross positioning groove 34, the left and right sides of the upper end of the working table 1 at the rotating shaft 21 are respectively provided with the placing base 31 with different sizes, the upper end of the placing base 31 is provided with the positioning hole 32 in a rectangular array, the inner wall of the inner side positioning hole 32 is provided with the limiting pin 33, and the centers of the two upper ends of the placing base 31 are respectively provided with the cross positioning groove 34. During detection, the workpiece is placed on the proper placing base 31 according to the size of the workpiece, the position of the workpiece is adjusted through the positioning hole 32 and the cross positioning groove 34, detection accuracy is improved, and when the position of the workpiece needs to be fixed, the limiting pin 33 is inserted into the position of the proper positioning hole 32, and clamping stability is improved.

The detection unit 2: include axis of rotation 21, a gear 22, telescopic link 23, fixing base 24, a motor 25, screw rod 26, slide bar 27, slider 28 and movable assembly, the upper end center of workstation 1 is equipped with axis of rotation 21, the upper end of axis of rotation 21 is equipped with a gear 22, the lower extreme of upper end center fixed connection telescopic link 23 of a gear 22, the upper end of telescopic link 23 is equipped with fixing base 24, the right-hand member fixed connection one end of motor 25 of fixing base 24, the one end of output shaft fixed connection screw rod 26 of motor 25, the right-hand member of fixing base 24 is located the rear side of screw rod 26 and is equipped with a slide bar 27, the screw hole in middle part threaded connection slider 28 middle part of screw rod 26, both ends are located the rear side of screw hole and have been seted up the slide opening about slider 28, and the inner wall lateral sliding connection slide bar 27 of slide opening, the upper end of workstation 1 is located the rear side of axis of rotation 21 and is equipped with movable assembly, the input of motor 25 is connected with external power source's output electricity through external control switch group.

The workbench 1 supports the whole structure, the stability of operation is improved, when detecting, a workpiece is placed in the positioning unit 3, then the movable assembly is opened to drive the first gear 22 to rotate along the position of the rotating shaft 21, the angle detected by adjustment is adjusted, the fixed seat 24 on the telescopic rod 23 is further controlled to adjust the angle, after the angle is determined, the distance of the position is detected by adjustment, the first motor 25 is opened to drive the screw rod 26 to rotate, the sliding block 28 connected with the screw thread of the sliding block moves along the direction of the sliding rod 27 through the sliding hole, and therefore the purpose of flexible adjustment is achieved.

The movable assembly comprises a second motor 29 and a second gear 210, the second motor 29 is arranged at the upper end of the workbench 1 and positioned on the rear side of the rotating shaft 21, an output shaft of the second motor 29 is fixedly connected with one end of the second gear 210, the second gear 210 is meshed with the first gear 22, and the input end of the second motor 29 is electrically connected with the output end of an external power supply through an external control switch group. When the detected angle is adjusted, the second motor 29 is turned on to drive the second gear 210 to rotate, so that the first gear 22 is engaged to achieve the purpose of adjusting the angle.

The probe card connector 4 is further included, the center of the lower end of the sliding block 28 is provided with the probe card connector 4, and one end of a probe is clamped at the lower end of the probe card connector 4. The probe card holder 4 can firmly clamp the probes and can replace different probes for testing according to different requirements.

The sliding device further comprises a limiting piece 5, the right end of the sliding rod 27 is fixedly connected with the rear side of the left end of the limiting piece 5, and the front side of the left end of the limiting piece 5 is rotatably connected with the right end of the screw 26. The limiting sheet 5 limits the moving position of the sliding block 28 and increases the connection stability between structures.

The anti-tilt workbench is characterized by further comprising supporting legs 6, wherein the supporting legs 6 are arranged at four corners of the lower end of the workbench 1 respectively, and anti-tilt pieces are arranged at the lower ends of the supporting legs 6. The supporting legs 6 support the whole structure, and the operation stability is improved.

The utility model provides a pair of fixed tool is used in probe test's theory of operation as follows: the supporting legs 6 support the whole structure of the workbench 1, the operation stability is improved, during detection, the workbench is placed on a proper placing base 31 according to the size of a workpiece, the position of the workbench is adjusted through a positioning hole 32 and a cross positioning groove 34, the detection accuracy is improved, when the position of the workpiece needs to be fixed, a limiting pin 33 is inserted into the position of the positioning hole 32, the clamping stability is improved, then a motor II 29 is opened to drive a gear II 210 to rotate, the gear I22 is meshed and moves along the position of a rotating shaft 21, the angle adjustment purpose is achieved, the fixed seat 24 on the telescopic rod 23 is further controlled to perform angle adjustment, after the angle is determined, the distance of the detection position is adjusted, a motor I25 is opened to drive a screw rod 26 to rotate, the slide block 28 in threaded connection is made to move along the direction of the slide rod 27 through a sliding hole, the limiting sheet 5 limits the moving position of the slide block 28, the connection stability between structures is increased, the flexible adjustment purpose is achieved, the probe card connecting seat 4 on the slide block 28 is used for stably clamping the probe, different probes can be tested according to change the lifting of the telescopic rod 23 and the lifting position of the telescopic rod 23 in the detection process, the detection result is accurately collected, and the whole probe is accurately collected, and the whole detection result is accurately.

It should be noted that the core chip of the control switch set disclosed in the above embodiments is a PLC single chip, the specific model is mitsubishi FX2N-16MR-001, the first motor 25 and the second motor 29 can be freely configured according to the actual application scenario, and the first motor 25 and the second motor 29 can both be stepping motors. The control switch set controls the operation of the first motor 25 and the second motor 29 by a method commonly used in the prior art.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a fixed tool is used in probe test which characterized in that: comprises a workbench (1), a detection unit (2) and a positioning unit (3);

stage (1): the left side and the right side of the upper end of the positioning device are provided with positioning units (3);

detection unit (2): include axis of rotation (21), gear (22), telescopic link (23), fixing base (24), motor (25), screw rod (26), slide bar (27), slider (28) and activity subassembly, the upper end center of workstation (1) is equipped with axis of rotation (21), the upper end of axis of rotation (21) is equipped with gear (22), the lower extreme of upper end center fixed connection telescopic link (23) of gear (22), the upper end of telescopic link (23) is equipped with fixing base (24), the one end of the right-hand member fixed connection motor (25) of fixing base (24), the one end of the output shaft fixed connection screw rod (26) of motor (25), the right-hand member of fixing base (24) is located the rear side of screw rod (26) and is equipped with a slide bar (27), the screw hole at the middle part threaded connection slider (28) middle part of screw rod (26), both ends are located the rear side of screw hole about slider (28) and open and are equipped with the slide opening, and the horizontal sliding connection slide bar (27) of inner wall of slide opening, the upper end that workstation axis of rotation (1) is located the rear side of being equipped with activity subassembly, the output of motor external electrical connection group is organized through the output of a motor (25).

2. The fixture according to claim 1, wherein: the movable assembly comprises a second motor (29) and a second gear (210), the second motor (29) is arranged on the rear side, located on the rotating shaft (21), of the upper end of the workbench (1), an output shaft of the second motor (29) is fixedly connected with one end of the second gear (210), the second gear (210) is meshed with the first gear (22), and the input end of the second motor (29) is electrically connected with the output end of the external power supply through an external control switch group.

3. The fixture according to claim 1, wherein: positioning unit (3) include place base (31), locating hole (32), spacer pin (33) and cross constant head tank (34), the left and right sides that the upper end of workstation (1) is located axis of rotation (21) is equipped with one size difference respectively places base (31), the upper end of placing base (31) is equipped with rectangular array's locating hole (32), and the inner wall of inboard locating hole (32) is equipped with spacer pin (33), and two upper end centers of placing base (31) have seted up one cross constant head tank (34) respectively.

4. The fixture according to claim 1, wherein: the probe card is characterized by further comprising a probe card connecting seat (4), the center of the lower end of the sliding block (28) is provided with the probe card connecting seat (4), and the lower end of the probe card connecting seat (4) is clamped with one end of a probe.

5. The fixture according to claim 1, wherein: the sliding rod is characterized by further comprising a limiting piece (5), the right end of the sliding rod (27) is fixedly connected with the rear side of the left end of the limiting piece (5), and the front side of the left end of the limiting piece (5) is rotatably connected with the right end of the screw rod (26).

6. The fixture according to claim 1, wherein: the anti-falling workbench is characterized by further comprising supporting legs (6), wherein the four corners of the lower end of the workbench (1) are respectively provided with one supporting leg (6), and the lower end of each supporting leg (6) is provided with an anti-falling sheet.