CN219266350U

CN219266350U - Test fixture with multistation detects function

Info

Publication number: CN219266350U
Application number: CN202223296737.1U
Authority: CN
Inventors: 黎剑
Original assignee: Dongguan Yuzhou Electronic Technology Co ltd
Current assignee: Dongguan Yuzhou Electronic Technology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-06-27
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a test fixture with a multi-station detection function, which comprises a mounting seat and a positioning wire frame, wherein a transverse plate is fixedly connected to the front end of the upper part of the mounting seat, side plates are fixedly connected to the front end and the rear end of the upper part of the transverse plate, a limiting assembly is arranged in the side plates, and a limiting retaining plate is fixedly connected to one side, close to the central axis of the transverse plate, of an electric telescopic rod. This test fixture with multistation detects function passes through the setting of bulky diaphragm for the thing board of putting of diaphragm and curb plate constitution can hold a plurality of PCB boards simultaneously in the in-process of using, puts the purpose that the thing board is provided with a plurality of stations, in order to make test fixture in the use, operating personnel can be simultaneously with a plurality of PCB board material loading in the inboard of putting the thing board, thereby can be at the in-process of PCB board spot check, make operating personnel can go up the unloading to a plurality of boards simultaneously, thereby can reduce the number of times of going up the unloading, improve the efficiency of PCB board test, convenient test fixture uses.

Description

Test fixture with multistation detects function

Technical Field

The utility model relates to the technical field of test jigs, in particular to a test jig with a multi-station detection function.

Background

The PCB circuit board is one of important electronic components in the electronic industry, and is a printed circuit board, and is a provider of electronic component electrical connection, so that the PCB board is widely used, and in the production process, the defective board of the PCB board needs to be screened by using an electrical performance test fixture, and the electrical performance test fixture mainly tests the conductivity and the insulation of the PCB substrate circuit.

The utility model discloses a PCB test fixture, which comprises a fixed bottom plate, a damping device, a driving mechanism and a lifting device, wherein the damping device is arranged at the upper end of the fixed bottom plate, and the lifting device is arranged at the lower end of the driving mechanism.

In the use process of the device, the PCB to be tested is mainly placed on the sponge pad on the inner side of the placement table, then the test is performed by utilizing the downward pressure of the test probe, but the placement table is smaller in size, a plurality of PCBs cannot be placed at the same time, so that in the process of testing the PCB using device, an operator can only feed one PCB at a time, when the number of PCB spot checks is large, the operator needs to repeatedly perform feeding and discharging actions on the single PCB, and in the actual operation process, the manual operation times of the operator are more and more troublesome, and therefore, the test fixture with the multi-station detection function is provided.

Disclosure of Invention

The utility model aims to provide a test fixture with a multi-station detection function, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a test fixture with multistation detects function, includes mount pad and location wire frame, the top front end fixedly connected with diaphragm of mount pad, and both ends all fixedly connected with curb plate around the top of diaphragm, the inside of curb plate is provided with spacing subassembly, and spacing subassembly includes electric telescopic handle and spacing butt plate, one side fixedly connected with of electric telescopic handle near the diaphragm axis is spacing butt plate, the location wire frame is fixed to be set up in the top middle part of diaphragm.

Further, the upper rear end of the mounting seat is fixedly connected with a mounting frame, and the right side of the mounting frame is provided with a forward and reverse motor.

Further, the rotating end of the forward and reverse rotating motor is provided with a screw rod, and the outer side of the screw rod is in threaded connection with a sliding sleeve.

Further, the front end of the sliding sleeve is fixedly connected with a movable sleeve, and a fixed vertical plate is arranged above the movable sleeve.

Further, the hydraulic cylinder is fixedly arranged above the front end of the fixed vertical plate, and the connecting seat is fixedly connected below the hydraulic cylinder.

Further, the movable sleeve is fixedly connected with the fixed vertical plate, and the movable sleeve is in sliding connection with the mounting seat.

Further, the cross section of the transverse plate is regarded as a rectangle in depression, and the positioning wire frames are equidistantly distributed about the perpendicular bisectors of the transverse plate.

The utility model provides a test fixture with a multi-station detection function, which has the following beneficial effects: this test fixture with multistation detects function adopts the setting of bulky diaphragm for the thing board of putting that diaphragm and curb plate are constituteed can hold a plurality of PCB boards simultaneously in the in-process of using, thereby make test fixture in the use, operating personnel can be simultaneously with a plurality of PCB boards material loading in the inboard of putting the thing board, thereby can be at the in-process of PCB board spot check, make operating personnel can go up the unloading to a plurality of boards simultaneously, thereby can reduce the number of times of going up the unloading, improve the efficiency of PCB board test, convenient test fixture uses.

1. The sliding sleeve is fixedly connected with the movable sleeve, so that the movable sleeve can move along with the movement of the sliding sleeve in the process of moving left and right outside the screw rod, the fixed vertical plate, the hydraulic cylinder and the connecting seat which are arranged above the movable sleeve can also move along with the movable sleeve in the process of moving, the connecting seat mainly is used for installing the test probe, and the test probe can also move along with the connecting seat in the process of moving, thereby facilitating test of PCB boards at different positions by test probes, the movable sleeve is connected with the mounting seat through the sliding rail, and the sliding rail is arranged, so that the movable sleeve can move left and right above the mounting seat.

2. The utility model relates to a testing jig which mainly comprises a mounting seat, a transverse plate, side plates, a limiting assembly, a mounting frame, a forward and backward rotating motor, a sliding sleeve, a screw rod, a fixed vertical plate, a connecting seat and other parts.

Drawings

FIG. 1 is a schematic diagram of a front view of a test fixture with multi-station detection function according to the present utility model;

FIG. 2 is a schematic top view of a mounting base and a mounting frame of a test fixture with multi-station detection function;

FIG. 3 is a schematic diagram showing the front view of the movable sleeve and the connecting seat of the test fixture with multi-station detection function;

FIG. 4 is a schematic diagram of a cross-sectional top view of a mounting frame and a screw of a test fixture with multi-station detection function according to the present utility model;

FIG. 5 is a schematic top view of a cross plate and a side plate of a test fixture with multi-station detection function according to the present utility model;

fig. 6 is a schematic perspective view of a transverse plate and a lateral plate of a testing fixture with multi-station detection function according to the present utility model.

In the figure: 1. a mounting base; 2. a cross plate; 3. a side plate; 4. positioning a wire frame; 5. a limit component; 501. an electric telescopic rod; 502. a limiting and resisting plate; 6. a mounting frame; 7. a forward and reverse rotation motor; 8. a sliding sleeve; 9. a screw rod; 10. a movable sleeve; 11. fixing the vertical plate; 12. a hydraulic cylinder; 13. and a connecting seat.

Detailed Description

As shown in fig. 1-3, fig. 5 and fig. 6, a test fixture with multi-station detection function comprises a mounting seat 1 and a positioning wire frame 4, wherein the front end above the mounting seat 1 is fixedly connected with a transverse plate 2, the front end above and the rear end above the transverse plate 2 are fixedly connected with side plates 3, a limit component 5 is arranged in the side plates 3, the limit component 5 comprises an electric telescopic rod 501 and a limit retaining plate 502, one side of the electric telescopic rod 501, which is close to the central axis of the transverse plate 2, is fixedly connected with the limit retaining plate 502, the positioning wire frame 4 is fixedly arranged in the middle part above the transverse plate 2, the cross section of the transverse plate 2 is rectangular, the positioning wire frame 4 is distributed at equal distance relative to the center line of the transverse plate 2, the transverse plate 2 and the side plates 3 are fixed together to form a storage frame, the storage frame is arranged for placing a to-be-tested PCB (printed circuit board) which can play a role in positioning when being placed, the utility model provides a convenient operation personnel find out the central line place of diaphragm 2, the storage frame volume that diaphragm 2 and curb plate 3 constitute is great simultaneously, can hold a plurality of PCB boards simultaneously, the setting of the inboard multistation of storage frame, make a plurality of PCB boards resistance to compression place simultaneously and put the inboard of storage frame and test, thereby make the test fixture in the use, the operating personnel can feed a plurality of PCB boards simultaneously, and then can reduce the number of times of unloading, convenient operation simultaneously also can improve the efficiency of test, the operating personnel places the PCB board directly over the location wire frame 4 after, restart electric telescopic handle 501, utilize the extension of electric telescopic handle 501, adjust the position of spacing butt plate 502, move spacing butt plate 502 to the front and back both sides of PCB board, and laminate together with the PCB board, just can accomplish the spacing to the PCB board, the front end top of fixed riser 11 is fixed and is provided with pneumatic cylinder 12, and a connecting seat 13 is fixedly connected below the hydraulic cylinder 12.

As shown in fig. 2-4, the rear end above the mounting seat 1 is fixedly connected with the mounting frame 6, the right side of the mounting frame 6 is provided with the forward and reverse rotation motor 7, the rotation end of the forward and reverse rotation motor 7 is provided with the screw rod 9, the outer side of the screw rod 9 is in threaded connection with the sliding sleeve 8, the front end of the sliding sleeve 8 is fixedly connected with the movable sleeve 10, the upper side of the movable sleeve 10 is provided with the fixed vertical plate 11, the sliding sleeve 8 and the movable sleeve 10 are fixedly connected, so that the movable sleeve 10 can also move along with the movement of the sliding sleeve 8 in the process of left and right movement of the sliding sleeve 8, the fixed vertical plate 11, the hydraulic cylinder 12 and the connecting seat 13 arranged above the movable sleeve 10 can also move along with the movement of the movable sleeve 10, the connecting seat 13 is mainly used for mounting the test probe, the test probe can also move along with the movement of the connecting seat 13 during the movement, the test fixture is mainly composed of parts such as a mounting seat 1, a transverse plate 2, a side plate 3, a limiting assembly 5, a mounting frame 6, a forward and reverse rotation motor 7, a sliding sleeve 8, a screw rod 9, a fixed vertical plate 11, a connecting seat 13 and the like, in the test process, the test fixture is used for testing the conductivity and the insulativity of a PCB substrate circuit by utilizing the contact of a test probe and the PCB, the movable sleeve 10 is fixedly connected with the fixed vertical plate 11, the movable sleeve 10 is in sliding connection with the mounting seat 1, the movable sleeve 10 is connected with the mounting seat 1 through a sliding rail, the sliding rail is arranged, so that the movable sleeve 10 can move left and right above the mounting seat 1, an operator can start the forward and reverse rotation motor 7 after a plurality of PCBs are placed above the transverse plate 2, and utilize the rotation of a main shaft on the left side of the forward and reverse rotation motor 7, the lead screw 9 is driven to rotate positively and negatively, the lead screw 9 can move left and right on the outer side of the lead screw 9 in the positive and negative rotation process, the movable sleeve 10 can also move left and right on the outer side of the guide rail in the rotation process of the sliding sleeve 8, and the fixed vertical plate 11 and the connecting seat 13 can also move left and right along with the movable sleeve, so that the test probe connected on the inner side of the connecting seat 13 can test the PCB placed above the transverse plate 2 in sequence in the use process.

In summary, when the test fixture with the multi-station detection function is used, firstly, according to the illustration in fig. 1-3, the test fixture mainly comprises parts such as a mounting seat 1, a transverse plate 2, a side plate 3, a limit component 5, a mounting frame 6, a forward and backward rotation motor 7, a sliding sleeve 8, a screw rod 9, a fixed vertical plate 11, a connecting seat 13 and the like, the test fixture is in the prior art, in the test process, the contact between a test probe and a PCB is utilized to test the conductivity and the insulativity of a PCB circuit, when the PCB needs to be tested by utilizing the test fixture to test the electrical performance, an operator can place a plurality of PCBs right above the positioning wire frame 4 according to the position of the positioning wire frame 4, according to the illustration in fig. 5 and 6, the electric telescopic rod 501 is started, the spacing between the limit bearing plates 502 can be reduced by utilizing the extension of the electric telescopic rod 501, the limit bearing plates 502 can be always moved to the front side and the rear side of the PCB, after the limiting and retaining plate 502 is attached to the PCB, the PCB is limited, a forward and reverse rotation motor 7 with the model of 36GP-555 is started as shown in fig. 4, when a main shaft at the left side of the forward and reverse rotation motor 7 rotates, the forward and reverse rotation motor 7 can drive the screw rod 9 to rotate forward and reverse, the screw rod 9 can move left and right at the outer side of the screw rod 9 in the forward and reverse rotation process, the movable sleeve 10 can move left and right at the outer side of the guide rail along with the movable sleeve 8 in the rotation process, the fixed vertical plate 11 and the connecting seat 13 can move left and right along with the movable sleeve 10, an operator moves the connecting seat 13 to the position right above the leftmost PCB, then a test probe connected at the inner side of the connecting seat 13 is adjusted to the position corresponding to the PCB, and then the hydraulic cylinder 12 is started, the hydraulic cylinder 12 can drive the connecting seat 13 and the test probe to descend in the extending process, when the test probe descends to a position contacting with the PCB, the electrical performance of the PCB can be tested, after the PCB is tested, the connecting seat 13 is adjusted to the right side to a position corresponding to the next PCB by utilizing the movement of the sliding sleeve 8, and then the PCB placed above the transverse plate 2 can be tested continuously, so that the test probe can rotate by utilizing the screw rod 9 in the using process.

Claims

1. The utility model provides a test fixture with multistation detects function, includes mount pad (1) and location line frame (4), its characterized in that, the top front end fixedly connected with diaphragm (2) of mount pad (1), and both ends all fixedly connected with curb plate (3) around the top of diaphragm (2), the inside of curb plate (3) is provided with spacing subassembly (5), and spacing subassembly (5) including electric telescopic handle (501) and spacing butt plate (502), one side fixedly connected with spacing butt plate (502) that electric telescopic handle (501) is close to diaphragm (2) axis, location line frame (4) are fixed to be set up in the top middle part of diaphragm (2).

2. The test fixture with the multi-station detection function according to claim 1, wherein a mounting frame (6) is fixedly connected to the rear end above the mounting seat (1), and a forward and reverse motor (7) is mounted on the right side of the mounting frame (6).

3. The testing jig with the multi-station detection function according to claim 2, wherein a screw rod (9) is arranged at the rotating end of the forward and backward rotating motor (7), and a sliding sleeve (8) is connected to the outer side of the screw rod (9) in a threaded manner.

4. The test fixture with the multi-station detection function according to claim 3, wherein the front end of the sliding sleeve (8) is fixedly connected with a movable sleeve (10), and a fixed vertical plate (11) is arranged above the movable sleeve (10).

5. The testing jig with the multi-station detection function according to claim 4, wherein a hydraulic cylinder (12) is fixedly arranged above the front end of the fixed vertical plate (11), and a connecting seat (13) is fixedly connected below the hydraulic cylinder (12).

6. The test fixture with the multi-station detection function according to claim 4, wherein the movable sleeve (10) is fixedly connected with the fixed vertical plate (11), and the movable sleeve (10) is slidably connected with the mounting seat (1).

7. The test fixture with the multi-station detection function according to claim 1, wherein the cross section of the transverse plate (2) is regarded as a rectangle in depression, and the positioning wire frames (4) are distributed at equal intervals with respect to the perpendicular bisectors of the transverse plate (2).