A floating blade needle die structure for screen lighting test

Abstract

This utility model discloses a floating blade needle mold structure for screen lighting testing. The needle mold cover plate is hinged to the needle mold base, allowing the needle mold cover plate to flip over and cover the positioning seat. A needle mold floating plate is floatingly mounted on the lower end face of the needle mold cover plate. The test needle mold for testing with the product FPC in the testing chamber is mounted on the needle mold floating plate. Through the floating structure and positioning structure of the needle mold, when the positioning block of the needle mold cover plate is engaged with the positioning groove of the positioning block, the floating needle mold floating plate is forced to adjust its relative position through the positioning groove. This ensures that the fitting error of the test fixture is concentrated only on the needle mold floating plate and the positioning seat, reducing the cumulative error caused by other components. Furthermore, the combination of the positioning structure and the floating structure eliminates structural errors and improves processing accuracy. At the same time, it solves the problem of needle mold offset caused by structural shaking during the flipping process of the traditional needle mold cover plate.

Description

Technical Field

[0001] This utility model belongs to the field of blade needle mold technology, and relates to a floating blade needle mold structure for screen lighting test. Background Technology

[0002] Modern electronic devices have an urgent need for highly integrated circuits and tiny components, which relies heavily on precision manufacturing and testing tools. Fixtures play a crucial role in the correct assembly and connection of electronic components. For example, in the mobile phone manufacturing process, fixtures are used to automate the assembly and testing of various components such as screens, cameras, and batteries.

[0003] As a key tool in the manufacturing and processing process, needle mold fixtures are crucial for ensuring product precision, quality, and reliability. A high-quality needle mold fixture can significantly improve production efficiency and product performance. In needle mold testing, the cutting needles must be precisely inserted into the corresponding gold fingers of the product. However, existing technology has significant drawbacks: when the gold fingers of the product are facing upwards, the needle mold must be fixed to the upper mold structure. The product positioning block and the cutting needle mold are divided into upper and lower parts. Since the product and the cutting needle are not on the same positioning block, ensuring that they do not shift during contact requires extremely high machining precision.

[0004] Traditional needle die testing flipping structures are prone to accumulating processing errors, which directly leads to the blade needles not being able to accurately pierce the gold fingers of the product, thus failing to achieve the function of lighting up the screen, bringing many inconveniences and additional costs to production. Utility Model Content

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] A floating blade needle mold structure for screen lighting test includes: a needle mold base and a needle mold cover plate;

[0007] The needle mold base is provided with a positioning seat, and the positioning seat has a test cavity for placing the product FPC.

[0008] The needle mold cover plate is hinged to the needle mold base, allowing the needle mold cover plate to be flipped over and cover the positioning seat; and a set of needle mold floating plates corresponding to the position of the detection chamber are floatingly installed on the lower end face of the needle mold cover plate; the test needle mold used to cooperate with the product FPC in the detection chamber to achieve detection is installed on the needle mold floating plate.

[0009] The needle mold cover plate is also equipped with a PCB board that is connected to the electrical signals of the needle mold and to the electrical signals of the test needle mold;

[0010] The lower end face of the needle mold cover plate is also provided with a downward protruding positioning block, and the positioning seat is provided with a positioning groove corresponding to the position of the positioning block; when the needle mold cover plate is fastened, the positioning block of the needle mold cover plate is fastened into the positioning groove of the positioning block.

[0011] As a further embodiment of this utility model: a set of floating bases is also floatingly installed on the needle mold base, and the needle mold cover plate is hinged to the floating bases.

[0012] As a further embodiment of this utility model, the number of positioning blocks on the needle mold cover plate and the number of positioning grooves on the positioning seat are at least two sets arranged in parallel.

[0013] The beneficial effects of this utility model are as follows: The floating structure and positioning structure of the needle mold enable the floating plate of the needle mold to adjust its relative position when the positioning block of the needle mold cover plate is engaged with the positioning groove of the positioning block, thus recalibrating the relative position of the test needle mold and the product FPC; ensuring that the fitting error of the test fixture is concentrated only on the floating plate of the needle mold and the positioning seat, reducing the cumulative error caused by other components; and eliminating structural errors and improving processing accuracy through the cooperation of the positioning structure and the floating structure; simultaneously solving the problem of needle mold offset caused by structural shaking during the traditional needle mold cover plate flipping process. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0015] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. It should be understood that this application is not limited to the exemplary embodiments disclosed herein. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0016] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0017] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0018] In the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0019] This utility model provides a reference. Figure 1 In this embodiment of the present invention, a floating blade needle mold structure for screen lighting test includes: a needle mold base 2 and a needle mold cover plate 1.

[0020] A positioning seat 22 is provided on the needle mold base 2, and a detection cavity 221 for placing the product FPC is formed in the positioning seat 22;

[0021] The needle mold cover plate 1 is hinged to the needle mold base 2, so that the needle mold cover plate 1 can cover the positioning seat 22 by flipping; and a set of needle mold floating plates 11 corresponding to the position of the detection cavity 221 are floatingly installed on the lower end surface of the needle mold cover plate 1; the test needle mold used to cooperate with the product FPC in the detection cavity 221 to achieve detection is installed on the needle mold floating plates 11.

[0022] The needle mold cover plate 1 is also provided with a PCB board 12 that is connected to the needle mold electrical signal and is connected to the test needle mold electrical signal. During the test, the needle mold contacts the gold fingers on the product FPC. The PCB board 12 on the needle mold cover plate 1 that is connected to the needle mold electrical signal acts as an electrical signal transmission carrier, transmitting the external test signal to the product FPC through the needle mold, thereby realizing the detection of the screen lighting function and determining whether the product can light up the screen normally.

[0023] The lower end face of the needle mold cover plate 1 is also provided with a downwardly protruding positioning block 111, and the positioning seat 22 is provided with a positioning groove 222 corresponding to the position of the positioning block 111. When the needle mold cover plate 1 is fastened, since the needle mold floating plate 11 is designed as a floating structure, the positioning block 111 of the needle mold cover plate 1 is fastened into the positioning groove 222 of the positioning block 111. The positioning groove 222 will force the floating needle mold floating plate 11 to adjust its relative position and recalibrate the relative position of the test needle mold and the product FPC. This floating structure can make the fitting error of the test fixture concentrated only on the test needle mold (needle mold floating plate 11) and the product FPC (positioning seat 22), reducing the cumulative error caused by other parts. The structural error is eliminated and the processing accuracy is improved by the cooperation of the positioning structure and the floating structure. At the same time, it solves the problem of needle mold offset caused by structural shaking during the traditional needle mold cover plate 1 flipping process.

[0024] Furthermore, a set of floating bases 21 are also floatingly installed on the needle mold base 2. The needle mold cover plate 1 is hinged to the floating base 21, so that the entire needle mold cover plate 1 forms a floating structure, which can effectively improve the error tolerance between the test needle mold and the product FPC, improve the overall processing accuracy, and reduce the actual processing difficulty of the mold.

[0025] Furthermore, the number of positioning blocks 111 on the needle mold cover plate 1 and positioning grooves 222 on the positioning seat 22 is at least two sets arranged in parallel; this enables the simultaneous engagement and calibration of the needle mold floating plate 11 and the positioning seat 22 at multiple points, avoiding potential deviations or positioning failures at a single calibration point.

[0026] It should also be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0027] The above description of the disclosed embodiments enables those skilled in the art to make or use this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A floating blade needle die structure for screen lighting test, characterized in that, include: Needle mold base and needle mold cover; The needle mold base is provided with a positioning seat, and the positioning seat has a test cavity for placing the product FPC; The needle mold cover plate is hinged to the needle mold base, allowing the needle mold cover plate to be flipped over and cover the positioning seat; and a set of needle mold floating plates corresponding to the position of the detection chamber are floatingly installed on the lower end face of the needle mold cover plate; the test needle mold used to cooperate with the product FPC in the detection chamber to achieve detection is installed on the needle mold floating plate. The needle mold cover plate is also equipped with a PCB board that is connected to the electrical signals of the needle mold and to the electrical signals of the test needle mold; The lower end face of the needle mold cover plate is also provided with a downward protruding positioning block, and the positioning seat is provided with a positioning groove corresponding to the position of the positioning block; when the needle mold cover plate is fastened, the positioning block of the needle mold cover plate is fastened into the positioning groove of the positioning block.

2. A floating blade needle die structure for screen lighting test according to claim 1, wherein, A set of floating bases is also floatingly installed on the needle mold base, and the needle mold cover plate is hinged to the floating bases.

3. The floating blade needle mold structure for screen lighting testing according to claim 1, characterized in that, The number of positioning blocks on the needle die cover plate and the number of positioning grooves on the positioning seat are at least two sets arranged in parallel.

Images