Test fixture for improving electrical testing efficiency

Abstract

The utility model discloses a test fixture for improving electrical testing efficiency, which comprises a working table, a strip-shaped groove is arranged on one side of the top of the working table, and two product clamping grooves are arranged on the other side of the top of the working table; a positioning groove is further formed in the top of the workbench and located in the middle of one side of each product clamping groove, and the side, away from the product clamping grooves, of the positioning groove communicates with the strip-shaped groove. Through the design of the workbench, the two product clamping grooves, the two pressing heads, the two testing plates and the pressing plate, placement and testing of two products can be achieved on the workbench at a time, the testing efficiency of the products can be greatly improved, and the testing efficiency of the products can be greatly improved. And meanwhile, the two pressing heads can be warped up or pressed down at the same time by pressing down the pressing plate, and the operation convenience when the product is placed and taken down can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of touch screen test fixtures, in particular to a test fixture for improving electrical measurement efficiency. Background Art

[0002] In the touch screen manufacturing industry, functional testing is required before TP is shipped to ensure that the TP functions OK, so an electrical test fixture is required for functional testing.

[0003] In an electrical testing fixture, it is usually necessary to set a slot for placing TP products on the workbench to achieve the positioning of the TP products to facilitate subsequent testing. In the prior art, only a single slot is usually designed on the table, which means that only one TP product can be tested at a time, and the next product can only be tested after the product currently placed in the slot is taken out. Although this method can achieve product testing, it is relatively inefficient and it is difficult to test more products in a short time.

[0004] Therefore, in view of the problems existing in the prior art such as those mentioned above, we have specifically designed a test fixture that can improve the electrical measurement efficiency of TP products. Utility Model Content

[0005] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a test fixture for improving electrical measurement efficiency, comprising a workbench, a strip groove is provided on one side of the top of the workbench, and two product positioning grooves are provided on the other side of the top of the workbench; a positioning groove is also provided on the top of the workbench and in the middle of one side of each product positioning groove, and the side of the positioning groove away from the product positioning groove is connected to the strip groove; a clamping assembly is installed on the inner bottom wall of the strip groove, and the clamping assembly includes a fixing plate, a torsion spring shaft, a pressing plate, a supporting plate, an adjusting frame and a pressing head, and two pressing heads are provided, and the two pressing heads are respectively provided on one side of the two positioning grooves.

[0007] As a further solution of the utility model: there are two fixing plates, and mounting plates are fixed to the bottom of the two fixing plates, the mounting plates are fixed to the inner bottom wall of the strip groove by bolts, and the pressing plate is installed between the two fixing plates by a torsion spring shaft.

[0008] As a further solution of the utility model: adjustment frames are fixed on both the left and right sides of the support plate, and a pressure head is installed on the bottom of the adjustment frame through an adjustment component.

[0009] As a further solution of the utility model: the adjustment assembly includes a fixed block, a locking bolt and a threaded hole, the fixed block is pressed on the top of the adjustment frame, the locking bolt thread passes through the middle of the fixed block, and there are multiple threaded holes that are equidistantly opened on the top of the pressure head.

[0010] As a further solution of the utility model: the bottom of the adjustment frame is fitted on the top of the pressure head, and the locking bolt passes through the fixing block and is screwed into one of the threaded holes to fix the pressure head.

[0011] As a further solution of the utility model: the support plate is a strip-shaped plate body, and the middle part of the support plate is fixed to one side of the pressing plate close to the center of the workbench.

[0012] As a further solution of the utility model: two test plates are further arranged inside the strip groove, one side of the test plate is close to the positioning groove, and a pressure head is provided on the top of the test plate.

[0013] As a further solution of the utility model: the tops of the four inner sides of the two product positioning grooves are designed with receiving areas of a trapezoidal structure, and the receiving areas are polished into a smooth mirror structure.

[0014] As a further solution of the utility model: the side of the pressing plate away from the supporting plate is designed to be an arc surface, and the top of the pressing plate is designed with anti-slip texture.

[0015] As a further solution of the utility model: support pads are fixed to the four corners of the bottom of the workbench, and anti-slip foot pads are also fixed to the bottom of the support pads.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] In the present application, through the designed workbench, two product positioning slots, two pressure heads, two test plates and a pressing plate, two products can be placed and tested on the workbench at one time, which can greatly improve the testing efficiency of the products, and the two pressure heads can be lifted or pressed down at the same time by pressing down the pressing plate, which can improve the convenience of operation when placing and removing products. At the same time, with the designed adjustment frame, fixing block, locking bolt and other structures, the longitudinal position of the pressure head can be adjusted, so that it can be adapted to the different lengths of the test ends of the products, thereby improving the applicability of the test fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the clamping assembly of the utility model;

[0020] Figure 3 It is a side sectional structural schematic diagram of the pressure head of the utility model.

[0021] The reference numerals and names in the figures are as follows:

[0022] 1. Workbench; 2. Strip groove; 3. Product positioning groove; 4. Positioning groove; 5. Test plate; 6. Clamping assembly; 601. Fixing plate; 602. Torsion spring shaft; 603. Pressing plate; 604. Support plate; 605. Adjusting frame; 606. Pressing head; 6061. Threaded hole; 7. Mounting plate; 8. Fixing block; 9. Locking bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 , a test fixture for improving electrical measurement efficiency, including a workbench 1, support pads are fixed to the four corners of the bottom of the workbench 1, and non-slip pads are also fixed to the bottom of the support pads, the non-slip pads can improve the stability of the workbench 1 on the ground, a strip groove 2 is opened on one side of the top of the workbench 1, the strip groove 2 can be convenient for installing a clamping component 6 and setting a test board 5, and two product slots 3 are opened on the other side of the top of the workbench 1. In order to facilitate the placement of products of different sizes, the sizes of the two product slots 3 can be different to improve the applicability of the fixture; a positioning groove 4 is also opened on the top of the workbench 1 and located in the middle of one side of each product slot 3, the positioning groove 4 is connected to the strip groove 2 on the side away from the product slot 3, and the positioning groove 4 is connected to the The product positioning groove 3 and the strip groove 2 facilitate the connection of the test end on the product with the test board 5 in the strip groove 2; a clamping assembly 6 is installed on the inner bottom wall of the strip groove 2, and the clamping assembly 6 includes a fixed plate 601, a torsion spring shaft 602, a pressing plate 603, a support plate 604, an adjustment frame 605 and a pressure head 606. Two pressure heads 606 are provided, and the two pressure heads 606 are respectively arranged on one side of the two positioning grooves 4. Two test boards 5 are also arranged inside the strip groove 2. One side of the test board 5 is close to the positioning groove 4, and the top of the test board 5 has a pressure head 606. The side of the test board 5 close to the positioning groove 4 is provided with a port for connecting to the product test end. The test board 5 is arranged at the positioning groove 4, which can be easily connected.

[0025] See also Figure 2In this embodiment, there are two fixing plates 601, and a mounting plate 7 is fixed to the bottom of the two fixing plates 601. The mounting plate 7 is fixed to the inner bottom wall of the strip groove 2 by bolts, and the pressing plate 603 is installed between the two fixing plates 601 through the torsion spring shaft 602.

[0026] Specifically, the two fixed plates 601 can lift the entire clamping assembly 6 to a certain extent, making it convenient for the pressure head 606 to be tilted. In order to make the pressure head 606 have a certain pressing force, the pressing plate 603 is connected between the two fixed plates 601 through the torsion spring shaft 602, and the rotational force of the torsion spring shaft 602 can be used to stabilize the pressure head 606.

[0027] See also Figure 2-3 In this embodiment, the adjustment frame 605 is fixed on both sides of the support plate 604, and the bottom of the adjustment frame 605 is installed with the pressure head 606 through the adjustment component; the adjustment component includes a fixing block 8, a locking bolt 9 and a threaded hole 6061, the fixing block 8 is pressed on the top of the adjustment frame 605, the locking bolt 9 threadedly penetrates the middle of the fixing block 8, and there are multiple threaded holes 6061 that are equidistantly opened on the top of the pressure head 606; the bottom of the adjustment frame 605 is attached to the top of the pressure head 606, and the locking bolt 9 passes through the fixing block 8 and is screwed into one of the threaded holes 6061 to fix the pressure head 606.

[0028] Specifically, when it is necessary to adjust the longitudinal position of any pressure head 606, the staff can loosen the locking bolt 9 to make the locking bolt 9 withdraw from the corresponding threaded hole 6061, and then move the pressure head 606 forward or backward, so that the locking bolt 9 can enter the threaded hole 6061 at a different position, thereby adjusting the distance between the pressure head 606 and the positioning groove 4, and achieving the purpose of adjusting the position of the pressure head 606 according to the length of the product test end, so that the pressure head 606 can be pressed at the connection between the product test end and the port of the test board 5. In order to improve the connection stability between the adjustment frame 605 and the pressure head 606, at least one group or more groups of fixing blocks 8 and locking bolts 9 can be set on the adjustment frame 605.

[0029] See also Figure 2 In this embodiment, the support plate 604 is a strip-shaped plate, and the middle portion of the support plate 604 is fixed to one side of the pressing plate 603 close to the center of the workbench 1 .

[0030] Specifically, the distances between the two ends of the support plate 604 and the pressing plate 603 are the same, which can achieve a symmetrical effect and facilitate the use of the pressing plate 603 to lift the two pressing heads 606 at the same time.

[0031] See also Figure 1 In this embodiment, the tops of the four inner sides of the two product positioning slots 3 are designed with receiving areas of a trapezoidal structure, and the receiving areas are polished into a smooth mirror structure.

[0032] Specifically, a receiving area is provided at the product positioning slot 3, which can facilitate the placement of the product and improve the stability of the product after placement.

[0033] See also Figure 2 In this embodiment, the side of the pressing plate 603 away from the supporting plate 604 is designed to be an arc surface, and the top of the pressing plate 603 is designed with anti-slip textures.

[0034] Specifically, the arc surface design of the pressing plate 603 can play an aesthetic role, and the anti-skid texture provided on the top thereof can improve the anti-skid property of the staff when pressing and avoid slipping.

[0035] When in use: the staff first presses down the pressing plate 603, and the pressing plate 603 is affected by the torsion spring shaft 602 to lift up the two pressure heads 606, and puts the TP product to be tested into the two product positioning slots 3, and uses the product positioning slots 3 to position the product firmly, puts the test end (FPC end) connected to the product into the positioning slot 4, and connects the port of the test end (FPC end) connected to the product with the port of the test board 5, and then releases the pressing plate 603, and the two pressure heads 606 are pressed on the connection between the test end (FPC end) port and the test board 5 port due to the return of the torsion spring shaft 602, so that the pressure head 606 can achieve stable pressing of the connection, improve the connection stability, and ensure the accuracy of the test results.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A test fixture for improving electrical measurement efficiency, characterized in that: It comprises a workbench (1), wherein one side of the top of the workbench (1) is provided with a strip groove (2), and the other side of the top of the workbench (1) is provided with two product positioning grooves (3); A positioning groove (4) is also provided on the top of the workbench (1) and in the middle of one side of each product positioning groove (3); the side of the positioning groove (4) away from the product positioning groove (3) is connected to the strip groove (2); A clamping assembly (6) is installed on the inner bottom wall of the strip groove (2), and the clamping assembly (6) comprises a fixing plate (601), a torsion spring shaft (602), a pressing plate (603), a supporting plate (604), an adjustment frame (605) and a pressing head (606). Two pressing heads (606) are provided, and the two pressing heads (606) are respectively provided on one side of the two positioning grooves (4).

2. A test fixture for improving electrical measurement efficiency according to claim 1, characterized in that: There are two fixing plates (601), and mounting plates (7) are fixed at the bottom of the two fixing plates (601). The mounting plates (7) are fixed to the inner bottom wall of the strip groove (2) by bolts. The pressing plate (603) is installed between the two fixing plates (601) by a torsion spring shaft (602).

3. A test fixture for improving electrical measurement efficiency according to claim 1, characterized in that: Adjustment frames (605) are fixed on both left and right sides of the support plate (604), and a pressure head (606) is installed at the bottom of the adjustment frame (605) through an adjustment component.

4. A test fixture for improving electrical measurement efficiency according to claim 3, characterized in that: The adjustment assembly comprises a fixing block (8), a locking bolt (9) and a threaded hole (6061); the fixing block (8) is pressed onto the top of the adjustment frame (605); the locking bolt (9) is threadedly passed through the middle of the fixing block (8); and a plurality of threaded holes (6061) are equidistantly provided on the top of the pressure head (606).

5. A test fixture for improving electrical measurement efficiency according to claim 4, characterized in that: The bottom of the adjustment frame (605) is fitted on the top of the pressure head (606), and the locking bolt (9) passes through the fixing block (8) and is screwed into one of the threaded holes (6061) to fix the pressure head (606).

6. A test fixture for improving electrical measurement efficiency according to claim 1, characterized in that: The support plate (604) is a strip-shaped plate, and the middle portion of the support plate (604) is fixed to one side of the pressing plate (603) close to the center of the workbench (1).

7. A test fixture for improving electrical measurement efficiency according to claim 1, characterized in that: Two test plates (5) are also arranged inside the strip groove (2), one side of the test plate (5) is close to the positioning groove (4), and a pressure head (606) is provided on the top of the test plate (5).

8. A test fixture for improving electrical measurement efficiency according to claim 1, characterized in that: The tops of the four inner sides of the two product positioning grooves (3) are designed with receiving areas of a trapezoidal structure, and the receiving areas are polished into a smooth mirror structure.

9. A test fixture for improving electrical measurement efficiency according to claim 1, characterized in that: The side of the pressing plate (603) away from the supporting plate (604) is designed to be an arc surface, and the top of the pressing plate (603) is designed with anti-slip patterns.

10. A test fixture for improving electrical measurement efficiency according to claim 1, characterized in that: Support pads are fixed at the four corners of the bottom of the workbench (1), and anti-slip foot pads are also fixed at the bottom of the support pads.

Images