Plane pressure head test module
By designing a planar indenter test module and using the conformal fit of mounting grooves and conductive adhesive, the problems of troublesome assembly and misalignment/fall-off of the boss indenter were solved, thus achieving high-precision planar indenter testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-03-27
AI Technical Summary
In the existing technology, the boss indenter requires segmented conductive double-sided adhesive during assembly, which is troublesome and prone to misalignment or detachment, resulting in poor test results and making it impossible to achieve high-precision flat indenter testing.
A planar indenter test module was designed, including an indenter base and a conductive voltage block. It adopts a contour-fitting method using mounting grooves and conductive adhesive to increase the contact area and reduce impedance. It can also be fixed in one piece to ensure the stability of the conductive voltage block and the test accuracy.
This improved the stability and accuracy of the test module, reduced the risk of voltage block offset and detachment, and ensured the reliability and consistency of test results.
Smart Images
Figure CN224052242U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model is applied to product impedance test technical field, and is especially a kind of plane indenter test module. BACKGROUND
[0002] In the production process of contact screen product, the display, brightness and touch performance of touch screen need to be tested in depth, so as to meet the use demand of factory, due to the popularity of automatic production, the production and testing of such electronic products can be carried out by automatic equipment, for example, the touch test of mobile phone screen is carried out by lifting equipment or mechanical hand to drive touch module to touch, slide and press down test, the commonly used test mobile phone key is tested by using convex head, but it needs to use segmented conductive double-sided adhesive tape during assembly, and the assembly is more troublesome, and the convex head is not limited on conductive silicone, and it is easy to be deviated under the influence of external factors, which leads to poor test results or even falling off. If a plane indenter test module with simple structure, increased contact area of convex head and conductive silicone, reduced impedance of convex head and conductive silicone, and integral fixing can be designed, the test precision is higher, the above problems can be solved. CONTENT OF UTILITY MODEL
[0003] The utility model solves the technical problems that the prior art lacks, and provides a plane indenter test module with simple structure, increased contact area of convex head and conductive silicone, reduced impedance of convex head and conductive silicone, and integral fixing, so that the test precision is higher.
[0004] The technical scheme adopted by the utility model is: the utility model discloses a pressing seat and conductive pressure block, the pressing seat upper end is provided with mounting boss, the mounting boss upper end face is provided with mounting groove, the conductive pressure block is limited with the mounting groove, the conductive pressure block connection end is connected with the pressing seat through the mounting groove and is connected in conduction, the pressing seat lower end is provided with connecting head, and the pressing seat is connected with the external pressure machine movable end through the connecting head.
[0005] Further, the mounting groove is provided with arc-shaped long strip structure at both ends, and the conductive pressure block is profiled with the mounting groove.
[0006] Further, conductive adhesive is arranged between the conductive pressure block and the mounting groove, and the conductive adhesive is profiled with the lower end face of the conductive pressure block.
[0007] Further, the mounting groove is provided with conductive layer, and the conductive pressure block is matched with the mounting boss through the conductive layer.
[0008] Further, the pressing seat body part fixed side is provided with lateral fixing hole, and the lateral fixing hole is connected with the external pressure machine movable end.
[0009] Further, the pressing seat body part is provided with a mark plate on the side.
[0010] Further, the pressing seat is provided with chamfered corners.
[0011] The utility model discloses the beneficial effect is: the application designs the mounting boss into the bound structure, the U type structure of mounting groove plays the role of protecting the conductive pressure block, strengthens the stability of conductive pressure block, and the adhesion of the conductive pressure block with the conductive double faced adhesive of the flat surface of lower end is better, and the conductive double faced adhesive is very convenient to paste into, and the conductive pressure block does not easily fall off and deviate after the completion of the adhesion, and the pressing surface can keep flat, can greatly improve the stable pass rate of test result. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the perspective view of the utility model;
[0013] Figure 2 It is the exploded view of the utility model;
[0014] Figure 3 It is the perspective view of another angle of the utility model;
[0015] Figure 4 It is the section view of the utility model. DETAILED DESCRIPTION
[0016] As Figures 1 to 4 Shown in the embodiment, the utility model includes pressing seat 1 and conductive pressure block 2, the pressing seat 1 upper end is provided with mounting boss 3, the mounting boss 3 upper end is provided with mounting groove 4, the conductive pressure block 2 is limit cooperation with mounting groove 4, the conductive pressure block 2 connection end is connected with the pressing seat 1 through mounting groove 4 and is connected with the pressing seat 1, the pressing seat 1 lower end is provided with connector 5, and the pressing seat 1 is connected with the movable end of external pressing machine platform through connector 5. Therefore, the mounting boss 3 is designed into the bound structure, and the U type structure of mounting groove 4 plays the role of protecting the conductive pressure block 2, and the stability of the conductive pressure block 2 is enhanced when operating, and the structure is simple, and the pressing effect is better.
[0017] As Figure 2 Shown in the embodiment, the mounting groove 4 is provided with the long strip structure of two end arc shape, and the conductive pressure block 2 is shaped cooperation with the mounting groove 4. Therefore, the two end arc shape of the two ends of mounting groove 4 makes the stress more uniform during the transverse movement of the conductive pressure block 2 in the mounting groove 4, prevents the convex from causing the uneven pressing surface.
[0018] As Figure 2As shown, in this embodiment, a conductive adhesive patch 6 is provided between the voltage-conducting block 2 and the mounting groove 4, and the conductive adhesive patch 6 conforms to the lower end face of the voltage-conducting block 2. Therefore, the conductive adhesive patch 6 can stably adhere the voltage-conducting block 2 within the mounting groove 4 and ensure good contact conductivity.
[0019] like Figure 2 As shown, in this embodiment, a conductive layer is provided inside the mounting groove 4, and the voltage-conducting block 2 cooperates with the mounting boss 3 through the conductive layer. Therefore, the conductive layer ensures better conductivity and more sensitive contact.
[0020] like Figure 2 and Figure 4 As shown in this embodiment, the main body of the pressure base 1 is provided with lateral fixing holes 7 on its fixed side, and the lateral fixing holes 7 are connected to the movable end of the external pressing machine. Therefore, the lateral fixing holes 7 ensure that the pressure base 1 is subjected to more uniform force in the lateral direction, preventing displacement during pressing.
[0021] like Figure 1 As shown in this embodiment, a label 8 is provided on the display side of the main body of the pressure base 1. Therefore, the label can identify the type of the conductive voltage block 2, allowing for quick identification and replacement.
[0022] like Figure 1 As shown in this embodiment, the pressure base 1 has chamfered edges on several right-angled sides. Therefore, the chamfers prevent the edges from scratching the operator during replacement operations.
[0023] The working principle of this utility model is as follows: Before the equipment is started, the pressure base 1 is connected to the movable end of the external pressing mechanism through the connector 5. When the equipment is started, the product is transported to the testing station through the line. The external pressing mechanism moves the pressure base 1 to the corresponding position according to the product position. The conductive block 2 makes contact, press, slide and other operations with the product, and transmits signals through the conductive adhesive 6, thereby realizing the planar pressing test of the product.
[0024] Although the embodiments of this utility model are described with reference to actual solutions, they do not constitute a limitation on the meaning of this utility model. For those skilled in the art, modifications to the implementation schemes and combinations with other schemes based on this specification are obvious.
Claims
1. A flat punch test module, characterized by: It includes the pressure seat (1) and the conductive pressure block (2), the installation boss (3) is arranged on the upper end of the pressure seat (1), the installation groove (4) is arranged on the upper end surface of the installation boss (3), the conductive pressure block (2) is limit cooperation with the installation groove (4), the connecting end of the conductive pressure block (2) is connected with the pressure seat (1) through the installation groove (4) and is connected in conduction, the lower end of the pressure seat (1) is provided with the connecting head (5), the pressure seat (1) is connected with the movable end of the external pressing machine through the connecting head (5).
2. The flat punch test module of claim 1, wherein: The installation groove (4) is provided with the long strip structure of arc-shaped at both ends, the conductive pressure block (2) is profiled cooperation with the installation groove (4).
3. The flat punch test module of claim 1, wherein: The conductive pressure block (2) and the installation groove (4) are provided with the conductive adhesive (6), the conductive adhesive (6) is profiled cooperation with the lower end surface of the conductive pressure block (2).
4. The flat punch test module of claim 1, wherein: The inside of the installation groove (4) is provided with the conductive layer, the conductive pressure block (2) is matched with the installation boss (3) through the conductive layer.
5. The flat punch test module of claim 1, wherein: The fixed side of the main body part of the pressure seat (1) is provided with the lateral fixed hole (7), the lateral fixed hole (7) is connected with the movable end of the external pressing machine.
6. The flat punch test module of claim 1, wherein: The display side of the main body part of the pressure seat (1) is provided with the mark plate (8).
7. The flat punch test module of claim 1, wherein: The several right angle edges of the pressure seat (1) are provided with the chamfer.