Automatic crimping jig for mobile phone display screen
By designing an automatic crimping fixture, a rotating lead screw and guide rail driven by a forward and reverse motor are used to achieve precise crimping of mobile phone display circuit boards. This solves the problems of time-consuming and labor-intensive traditional manual operation and inconvenient replacement of the crimping head components, thus improving testing efficiency and accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-03-24
AI Technical Summary
In traditional mobile phone display production testing, manual operation is time-consuming and labor-intensive, easily affected by human factors, and the replacement of the pressure head component is inconvenient, resulting in low testing efficiency.
Design an automatic crimping fixture for mobile phone displays. It uses a forward and reverse motor to drive a rotating lead screw, combined with a guide rail and a slide block, to achieve precise positioning and convenient replacement of the crimping head assembly and the screen circuit board. Electrical signals are conducted through a rubber crimping head plate and a detection probe.
It improves testing efficiency, ensures crimping accuracy, reduces human error, and simplifies the replacement process of the crimping head assembly.
Smart Images

Figure CN224035452U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mobile phone display screen production test technical field, concretely is a kind of mobile phone display screen automatic crimping fixture. BACKGROUND
[0002] Mobile phone display screen crimping fixture is the key equipment for mobile phone display screen production test, mainly for realizing the accurate crimping of mobile phone screen circuit board (such as flexible circuit board, PCB board etc.), ensure that telecommunication signal is on and performance detection.
[0003] In the traditional detection process, manual operation pressure head assembly and screen gold finger or PCB board PIN needle are connected, this process is not only time-consuming and laborious, but also easily influenced by human factors, leading to low test efficiency, in addition, the pressure head assembly is different for different screens, and it is not convenient to replace.
[0004] Therefore, it is particularly important to design a mobile phone display screen automatic crimping fixture to change the above technical defects and improve the overall practicability. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of mobile phone display screen automatic crimping fixture to solve the problems raised in the above background art.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] A kind of mobile phone display screen automatic crimping fixture, including jig base plate, the top of jig base plate is provided with jig support, the top of jig base plate is fixed with circuit board holder, the top of jig base plate is provided with inner thread seat in left and right sides, the inner thread seat is connected with locking screw in inner thread, the top of jig support is installed with positive and negative motor, the output of positive and negative motor penetrates jig support and is connected with rotating screw rod, the top of the inside left and right sides of jig support is provided with guide slide rail, the outside of guide slide rail is slidably connected with sliding seat, two groups of sliding seat are fixed with push plate between them, the rear side of push plate is provided with sliding sleeve connected with rotating screw rod in thread, the bottom of push plate and close to four corners are provided with buffer assembly, the bottom of buffer assembly is connected with dismounting seat, the left and right sides of dismounting seat are provided with threaded sleeve, the inner thread of threaded sleeve is connected with locking screw, the inside of dismounting seat is provided with replacement station, the left and right sides of replacement station are provided with inner thread locking groove, one end of inner thread locking groove inner side is provided with spring abutment piece, the bottom of replacement station is provided with rubber pressure head plate, the bottom of rubber pressure head plate is distributed with detection probe.
[0008] As the preferred scheme of the utility model, the outside of the jig support is provided with a control panel, wherein the control panel is connected with the forward-reverse motor and the detection probe through wires, and the connection mode is telecommunication connection.
[0009] As the preferred scheme of the utility model, the inside of the left and right sides of the circuit board clamping seat is provided with an internal thread hole matched with the locking screw, and the end of the locking screw extending into the inside of the circuit board clamping seat is wrapped with a rubber head.
[0010] As the preferred scheme of the utility model, the bottom of the left and right sides of the jig support is provided with a through hole for the locking screw to pass through.
[0011] As the preferred scheme of the utility model, the top of the rotating screw rod is connected with the jig support through a bearing seat.
[0012] As the preferred scheme of the utility model, the replacement table and the dismounting seat are detachably connected through plug-in mode.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] In the utility model, the mobile phone display screen automatic crimping jig is provided, which is convenient to operate and can realize crimping test of the pressure head assembly and the mobile phone display screen circuit board, and the precision deviation is not generated in the process, and the pressure head assembly is convenient to replace, and the test work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is the overall structure front view of the utility model;
[0016] Fig. 2 It is the local structure schematic view of the utility model;
[0017] Fig. 3 It is the partial structure schematic view of the utility model.
[0018] In the drawing: 1, jig bottom plate; 2, jig support; 3, circuit board clamping seat; 301, internal thread seat; 302, locking screw; 4, forward-reverse motor; 401, rotating screw rod; 5, guide slide rail; 501, sliding seat; 502, push plate; 503, sliding sleeve; 504, buffer assembly; 6, dismounting seat; 601, threaded sleeve; 602, locking screw; 603, replacement table; 604, internal thread locking groove; 605, spring abutting piece; 606, rubber pressure head plate; 607, detection probe. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without any creative work fall within the scope of the present application.
[0020] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings, and several embodiments of the present application are given. However, the present application can be implemented in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.
[0021] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", and similar terms as used herein are for the purpose of illustration only.
[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0023] Embodiments, please refer to Figs. 1-3 The present application provides a technical solution:
[0024] The utility model provides a kind of mobile phone display screen automatic crimping fixture, including jig base plate 1, jig base plate 1 top is provided with jig support 2, the top of jig base plate 1 is fixed with circuit board holder 3, the top of jig base plate 1 It is provided with inner thread seat 301 in left and right sides, and the inner thread of inner thread seat 301 is connected with locking screw 302, the middle of jig support 2 top is installed with positive and negative motor 4, and the output of positive and negative motor 4 penetrates jig support 2 and is connected with rotating screw rod 401, the top of inside left and right sides of jig support 2 is provided with guide sliding rail 5, and the outside of guide sliding rail 5 is slidably connected with sliding seat 501, realize accurate positioning with screen circuit board, reduce the shaking in processing, and two groups of sliding seat 501 are fixed with push plate 502, the rear side of push plate 502 is provided with sliding sleeve 503 connected with rotating screw rod 401, and the bottom of push plate 502 and close to four corners are provided with buffer assembly 504, and the bottom of buffer assembly 504 is connected with dismounting seat 6;
[0025] Wherein the inside of left and right sides of circuit board holder 3 is provided with inner thread hole for cooperation with locking screw 302, and the end of locking screw 302 extending to the inside of circuit board holder 3 is wrapped with rubber head, and the bottom of left and right sides of jig support 2 is provided with through hole for locking screw 302, and the top of rotating screw rod 401 is connected with jig support 2 by bearing seat.
[0026] In the embodiment, please refer to Fig. 2 The left and right sides of dismounting seat 6 are provided with threaded sleeve 601, the inside of threaded sleeve 601 is connected with locking screw 602, the inside of dismounting seat 6 is provided with replacement platform 603, the left and right sides of replacement platform 603 are provided with inner thread locking groove 604, one end of inner thread locking groove 604 inside is provided with spring abutting member 605, the bottom of replacement platform 603 is provided with rubber pressure head plate 606, and the bottom of rubber pressure head plate 606 is distributed with detection probe 607;
[0027] Wherein the outside of jig support 2 is provided with control panel, wherein control panel is connected between positive and negative motor 4 and detection probe 607 by wire, and the connection mode is telecommunication connection, and replacement platform 603 and dismounting seat 6 are detachably connected by plug-in mode.
[0028] The utility model discloses a work flow: when using, the replacement platform 603 of special detection probe 607 is placed in the inside of dismounting seat 6, then is locked into locking screw piece 602 in the inside of both sides screw bush 601, until the screw is tightened in inner thread locking groove 604, and the counterforce is formed under the action of spring abutment piece 605, avoids locking screw piece 602 loosening, then the mobile phone screen circuit board is placed in circuit board clamping seat 3, and is tightened locking screw 302 in the inside screw bush 301 of both sides and is fixed, when testing, positive and negative motor 4 starts, drives rotating lead screw 401 to rotate, under the cooperation of guide slide rail 5 and slide 501, make push plate 502 move down, realize accurate positioning with screen circuit board, reduce the shake in processing, finally make detection probe 607 on rubber pressure head plate 606 and mobile phone screen circuit board (such as flexible circuit board, PCB board etc.) accurate pressure joint, ensure that the signal is on and performance detection.
[0029] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An automatic pressing fixture for mobile phone displays, comprising a fixture base plate (1), characterized in that: The jig base plate (1) is provided with a jig bracket (2) on its top. A circuit board clamp (3) is fixed on the top of the jig base plate (1). Internal thread seats (301) are provided on both the left and right sides of the top of the jig base plate (1). A locking screw (302) is connected to the internal thread of the internal thread seat (301). A forward and reverse motor (4) is installed in the middle of the top of the jig bracket (2). The output end of the forward and reverse motor (4) passes through the jig bracket (2) and is connected to a rotating screw (401). Guide slide rails (5) are provided on the top of both the left and right sides inside the jig bracket (2). A slide block (501) is slidably connected to the outside of the guide slide rail (5). A push plate (502) is fixed between the two sets of slide blocks (501). A rotating screw (401) is provided on the rear side of the push plate (502). 401) A threaded sliding sleeve (503) is provided. A buffer assembly (504) is provided at the bottom of the push plate (502) and near the four corners. A disassembly seat (6) is connected to the bottom of the buffer assembly (504). A threaded sleeve (601) is provided on both the left and right sides of the disassembly seat (6). A locking screw (602) is threaded inside the threaded sleeve (601). A replacement table (603) is provided inside the disassembly seat (6). An internal threaded locking groove (604) is provided on both the left and right sides of the replacement table (603). A spring abutment (605) is provided at one end of the inner side of the internal threaded locking groove (604). A rubber pressure plate (606) is provided at the bottom of the replacement table (603). Detection probes (607) are distributed at the bottom of the rubber pressure plate (606).
2. The automatic pressing fixture for mobile phone displays according to claim 1, characterized in that: The fixture bracket (2) is provided with a control panel on its outer side. The control panel is connected to the forward and reverse motor (4) and the detection probe (607) by wires, and the connection method is a telecommunications connection.
3. The automatic pressing fixture for mobile phone displays according to claim 1, characterized in that: The circuit board holder (3) has internal threaded holes on both sides for use with locking screws (302), and the end of the locking screw (302) extending into the circuit board holder (3) is wrapped with a rubber head.
4. The automatic pressing fixture for mobile phone displays according to claim 1, characterized in that: The bottom of both sides of the fixture bracket (2) is provided with through holes for the locking screw (302) to pass through.
5. The automatic pressing fixture for mobile phone displays according to claim 1, characterized in that: The top of the rotating lead screw (401) is connected to the fixture bracket (2) via a bearing seat.
6. The automatic pressing fixture for mobile phone displays according to claim 1, characterized in that: The replacement table (603) and the disassembly base (6) are designed to be detachably connected by plugging and unplugging.