CN217276003U

CN217276003U - Electric detection tool for mobile terminal metal piece and pressing machine

Info

Publication number: CN217276003U
Application number: CN202221103547.0U
Authority: CN
Inventors: 陈俊飞
Original assignee: Dongguan Hua Precision Technology Co ltd
Current assignee: Dongguan Hua Precision Technology Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-08-23
Anticipated expiration: 2032-05-09

Abstract

The utility model provides an electric detection tool and a pressing machine for a mobile terminal metal piece, which comprises a lower die component, an upper die component and a magnifier component, wherein the lower die component comprises a lower die electrode plate, a lower die outer template and a lower die insulation plate, the lower die electrode plate is nested in the lower die insulation plate, and the upper surface of the lower die electrode plate is higher than the edge of the lower die insulation plate; the lower die insulation plate is nested in the lower die outer template; when the metal piece to be tested is arranged on the lower die assembly, the edge of the metal piece to be tested is placed on the edge of the lower die insulation plate; the upper die assembly comprises an upper die electrode plate, an upper die outer template and an upper die insulation plate, the upper die electrode plate is nested in the upper die insulation plate, and the upper die insulation plate is nested in the upper die outer template; the magnifier assembly comprises a magnifier, and the magnifier is arranged on two sides of the lower die outer template; when the lower die assembly and the upper die assembly are pressed, the metal piece to be detected is clamped between the lower die electrode plate and the upper die electrode plate, and the side face of the metal piece to be detected is amplified through the magnifier.

Description

Electric detection tool for mobile terminal metal piece and pressing machine

Technical Field

The utility model relates to a check out test set technical field, concretely relates to electric examination utensil and pressfitting machine for mobile terminal metalwork.

Background

With the improvement of the industrial automation level, people develop and utilize mobile terminal products more and more. The produced product needs to meet the requirements of customers, and a detection procedure must be made. The mobile terminal product takes a mobile phone as an example, and the middle frame of the mobile phone supports the whole mobile phone and is used for installing some hardware such as a CPU (central processing unit), a card slot and the like, so that the mobile terminal product is an irreplaceable product in the mobile phone. The manufacturing process of the middle frame of the mobile phone is processed for many times, such as grinding, CNC processing, drilling and the like, and the appearance and the performance of the mobile phone are affected by the flatness of the middle frame of the mobile phone.

At present, flatness detection of mobile terminal products is mainly recognized by subjective judgment of personnel, misjudgment is easy to occur in a manual mode, only one small area can be detected at a time, the yield is unstable, and meanwhile, due to the fact that the personnel are prone to instability, detection efficiency is low and cost is high under long-term work. For solving the problem of current detection ageing, the problems of high cost, unstable yield and low efficiency exist, a special jig is used for carrying out precision test in the market, but the existing jig is complex in structure, inconvenient to operate, single in function and low in test efficiency.

SUMMERY OF THE UTILITY MODEL

To the above, an object of the utility model is to provide an utensil and pressfitting machine are examined to electricity for mobile terminal metalwork to convenient and fast ground carries out the plane degree test to the metalwork that awaits measuring, and the flaw of the metalwork side that awaits measuring simultaneously has increased the function of electric detection utensil when improving efficiency of software testing.

An embodiment of the utility model provides an electric examination utensil for mobile terminal metalwork, include:

the lower die assembly comprises a lower die electrode plate, a lower die outer template and a lower die insulation plate, the lower die electrode plate is nested in the lower die insulation plate, and the upper surface of the lower die electrode plate is higher than the edge of the lower die insulation plate; the lower die insulation plate is nested in the lower die outer template; when a metal piece to be tested is arranged on the lower die assembly, the edge of the metal piece to be tested is placed on the edge of the lower die insulation plate;

the upper die assembly comprises an upper die electrode plate, an upper die outer template and an upper die insulating plate, the upper die electrode plate is nested in the upper die insulating plate, and the upper die insulating plate is nested in the upper die outer template;

the magnifier assembly comprises magnifiers which are arranged on two sides of the lower die outer template;

when the lower die assembly and the upper die assembly are pressed, the metal piece to be detected is clamped between the lower die electrode plate and the upper die electrode plate, and the side face of the metal piece to be detected is amplified through the magnifier.

Furthermore, a controller assembly is arranged at the bottom of the lower die assembly, and the lower die assembly and the controller assembly are spaced by a lower die insulating pad; the lower die outer template, the lower die insulation plate and the lower die electrode plate are respectively provided with a first through hole for a probe to pass through; when the metal piece to be tested is arranged on the lower die electrode plate, the controller assembly is electrically connected with the metal piece to be tested.

Furthermore, a groove is formed in the upper die outer template and used for nesting the upper die insulating plate; the upper die outer die plate is provided with an elastic needle hole for installation of a pre-pressed elastic needle, and the elastic needle hole is arranged along the edge of the groove.

Further, the upper die electrode plate and the upper die insulation plate are respectively provided with a first bullet needle avoiding groove and a second bullet needle avoiding groove which are used for avoiding the prepressing bullet needles.

Furthermore, a connecting hole for electrically connecting an upper die probe is formed in the lower die outer template, the upper die probe is mounted at a position on the upper die outer template corresponding to the connecting hole, and the upper die probe sequentially penetrates through the upper die insulating plate and the upper die electrode plate; when the lower die assembly and the upper die assembly are pressed, the upper die probe is electrically connected with the connecting hole.

Furthermore, a foolproof bump is formed on the lower die insulation plate in an upward protruding manner and penetrates through the lower die electrode plate; the upper die electrode plate is correspondingly provided with a fool-proof groove for accommodating the fool-proof lug; when the lower die assembly and the upper die assembly are pressed, the fool-proof protruding block extends into the fool-proof groove.

Furthermore, illuminating lamps for assisting the magnifier in use are further arranged on two sides of the upper die electrode plate.

Furthermore, the magnifier assembly further comprises a fixing base for fixing the magnifier, and the fixing base is fixedly arranged on two sides of the lower die outer template.

The embodiment of the utility model also provides a laminating machine, which comprises the electric detection tool for the mobile terminal metal piece; the lower die assembly is fixed on the workbench, and the upper die assembly is fixed on the pressing mechanism; the pressing mechanism drives the upper die assembly to press towards the lower die assembly.

The electric detection tool and the laminating machine for the mobile terminal metal piece provided by the embodiment have the beneficial effects that: (1) when the flatness of the metal piece to be detected is detected, the detected surfaces of the upper surface and the lower surface of the metal piece to be detected are utilized to completely cover, the front and back flatness detection of the metal piece to be detected can be simultaneously carried out through one-time pressing of the upper die assembly and the lower die assembly, the segmented detection is not needed, and the detection omission does not occur;

(2) the side face of the metal piece to be detected is amplified through the magnifier, so that defects such as burrs and the like in the side hole of the metal piece to be detected are clear, and the metal piece to be detected with the defects on the side face is prevented from entering the next production step.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a laminating machine according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a lower die assembly in an embodiment of the present invention.

Fig. 3 is an exploded schematic view of the lower die assembly of fig. 2.

Fig. 4 is a schematic structural view of the upper die assembly in the embodiment of the present invention.

Fig. 5 is an exploded view of the upper mold assembly of fig. 4.

Fig. 6 is a schematic diagram of the embodiment of the present invention.

In the drawing, 10-lower die assembly, 11-lower die electrode plate, 111-, 12-lower die exterior die plate, 121-mounting hole, 13-lower die insulation plate, 131-fool-proof projection, 14-lower die insulation pad, 20-upper die assembly, 21-upper die electrode plate, 211-first spring escape groove, 212-fool-proof groove, 22-upper die exterior die plate, 221-groove, 222-pogo pin hole, 223-connection hole, 23-upper die insulation plate, 231-second spring escape groove, 24-prepressed pogo pin, 25-illumination lamp, 31-magnifier, 32-fixing base, 40-controller assembly, 51-probe, 52-first through hole, 53-upper die probe, 61-worktable, 62-pressing mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

For convenience of description, in the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The mobile terminal may be a mobile phone, a tablet computer, a Personal Computer (PC), a Personal Digital Assistant (PDA), a smart watch, a netbook, or the like. In this embodiment, a case that the metal part to be detected is a front shell steel sheet of a mobile phone is taken as an example for explanation, and it can be understood that the detection principle when the metal part to be detected is other products is the same as that of this embodiment.

Referring to fig. 1 to 5, an embodiment of the present invention provides an electrical inspection tool for a mobile terminal metal part, including an upper mold component 20 and a lower mold component 10 which are pressed together vertically, and an amplifying mirror component disposed on two sides of the lower mold component 10. The lower die assembly 10 comprises a lower die electrode plate 11, a lower die outer template 12 and a lower die insulation plate 13, wherein the lower die electrode plate 11 is nested in the lower die insulation plate 13, and the upper surface of the lower die electrode plate 11 is higher than the edge of the lower die insulation plate 13; the lower die insulation plate 13 is nested in the lower die outer template 12; when the metal piece to be tested is mounted on the lower die assembly 10, the edge of the metal piece to be tested is placed on the edge of the lower die insulation plate 13.

The upper die assembly 20 comprises an upper die electrode plate 21, an upper die outer die plate 22 and an upper die insulation plate 23, the upper die electrode plate 21 is nested in the upper die insulation plate 23, the upper die insulation plate 23 is nested in the upper die outer die plate 22, and the lower surface of the upper die electrode plate 21 is lower than the upper die insulation plate 23.

The magnifier assembly comprises magnifiers 31, the magnifiers 31 are arranged on two sides of the lower die outer template 12, and the magnifiers 31 are aligned with the upper surface of the lower die assembly 10.

When the lower die assembly 10 and the upper die assembly 20 are pressed, the metal part to be tested is clamped between the lower die electrode plate 11 and the upper die electrode plate 21, so as to perform a flatness test on the metal part to be tested, and simultaneously, the side surface of the metal part to be tested is enlarged through the magnifier 31. In actual production, need carry out the detection of plane degree to mobile terminal's metal steel sheet, specifically indicate whether the plane degree that detects metal steel sheet accords with the standard of management and control, nevertheless because can be provided with the depressed part according to actual demand on the metal steel sheet, the upper surface shape of lower mould plate electrode 11 should with the shape phase-match of the metalwork that awaits measuring, and the lower surface shape of last mould plate electrode 21 with 11 shape phase-matches of lower mould plate electrode, during just can make the metalwork that awaits measuring that accords with the plane degree standard test, do not contact with lower mould plate electrode 11 and last mould plate electrode 21, avoid forming to switch on and lead to alarm wrong report to police. The side of the metalwork that awaits measuring still is provided with side openings such as MIC hole, horn hole usually, can enlarge the side of the metalwork that awaits measuring through magnifying glass 31 for flaws such as the edge of a knife or a sword are clearly made in the side opening, convenient detection. In order to facilitate the use, the magnifying lens 31 may further be connected to a display (not shown), and the display is used for displaying, so that abnormal conditions in the side hole can be observed, and a burr in the side hole after the whole machine is assembled can be avoided, and the mobile terminal can be disassembled.

Specifically, referring to fig. 2 and 3, a controller assembly 40 is further disposed at the bottom of the lower mold assembly 10, and the controller assembly 40 includes a power supply (not shown) and an alarm (not shown). The alarm can be an indicator light and/or a buzzer, and other types of alarms can also be adopted.

The lower die assembly 10 is spaced from the controller assembly 40 by a lower die insulation pad 14 which prevents the lower die outer platen 12 in the lower die assembly 10 from contacting the controller assembly 40 and making electrical connections. The number of the lower die insulation pads 14 can be set to be different according to actual conditions, and six lower die insulation pads are schematically arranged in the scheme.

The lower die outer template 12, the lower die insulating plate 13 and the lower die electrode plate 11 are all provided with a first through hole 52 for the probe 51 to pass through, and when a metal piece to be tested is mounted on the lower die electrode plate 11, a power supply in the controller assembly 40 is electrically connected with the metal piece to be tested. It is worth mentioning that the outer side of the probe 51 is wrapped with an insulating member, so that the probe 51 is not electrically connected to the lower mold outer mold plate 12, the lower mold insulating plate 13 and the lower mold electrode plate 11.

Specifically, referring to fig. 4 and 5, a groove 221 is formed on the upper mold outer mold plate 22, and the groove 221 is used for nesting the upper mold insulating plate 23. The upper die outer die plate 22 is provided with a spring pin hole 222 for mounting the pre-pressed spring pin 24, and the spring pin hole 222 is arranged along the edge of the groove 221. The pre-pressing spring pin 24 has elasticity and plays a role in buffering. The prepressing elastic needle 24 can firstly press the edge of the metal piece to be detected when the lower die assembly 10 and the upper die assembly 20 are pressed, and plays a role in auxiliary fixation on the periphery of the metal piece to be detected, so that the flatness detection is more accurate.

More specifically, the upper electrode plate 21 and the upper insulating plate 23 are respectively provided with a first pin avoiding groove 211 and a second pin avoiding groove 231 for avoiding the pre-pressed pin 24. The outer periphery of the pre-pressing spring pin 24 is wrapped by an insulating layer for electrically connecting the pre-pressing spring pin 24 with the upper die electrode plate 21 and the upper die insulating plate 23 in the upper die assembly 20.

Specifically, the lower mold outer template 12 is provided with a connection hole 121 for electrically connecting the upper mold probe 53, the upper mold outer template 22 is provided with the upper mold probe 53 at a position corresponding to the connection hole 121, and the upper mold probe 53 sequentially passes through the upper mold insulation plate 23 and the upper mold electrode plate 21. For the stability of the electrical checking fixture, the upper mold probe 53 is also disposed on the connection hole 121, and when the lower mold assembly 10 and the upper mold assembly 20 are pressed, the upper mold probe 53 of the upper mold outer template 22 is contacted with the upper mold probe 53 of the lower mold outer template 12, so that the electrical connection is realized. It should be noted that the outer periphery of the upper die probe 53 is partially wrapped by an insulating layer, and when the upper die probe 53 sequentially passes through the upper die insulating plate 23 and the upper die electrode plate 21, the upper die probe 53 is not electrically connected to the upper die insulating plate 23 and the upper die electrode plate 21. When the lower mold assembly 10 and the upper mold assembly 20 are pressed, one end of the upper mold probe 53 on the lower mold outer template 22 is connected to the power supply in the control assembly 40, and the other end of the upper mold probe 53 is electrically connected to the connection hole 121.

Specifically, a fool-proof bump 131 is formed on the lower die insulation plate 13 in an upward protruding manner, and is used for identifying the installation direction of the metal piece to be tested. The fool-proof bump 131 penetrates the lower mold electrode plate 11, that is, a through hole is correspondingly formed on the upper mold electrode plate 21 for the fool-proof bump 131 to pass through. The upper electrode plate 21 is correspondingly provided with a fool-proof groove 212 for accommodating the fool-proof bump 131, and when the lower mold assembly 10 and the upper mold assembly 20 are pressed, the fool-proof bump 131 extends into the fool-proof groove 212.

Specifically, the two sides of the upper die electrode plate 21 are also provided with illuminating lamps 25 used by the auxiliary magnifier 31, and the illuminating lamps 25 can adopt LED lamp beads.

Specifically, the magnifier assembly further comprises a fixing base 32 for fixing the magnifier 31, and the fixing base 32 is fixedly arranged on two sides of the lower die outer template 12, so that the magnifier 31 can be conveniently fixed.

Referring to fig. 1, the present invention further provides a laminating machine, which includes the above-mentioned electrical inspection device for a mobile terminal metal member. Be provided with workstation 61 and pressing means 62 on the pressfitting machine, lower mould subassembly 10 is fixed in on the workstation 61, prevents in the use, and lower mould subassembly 10 takes place to remove. Go up mould subassembly 10 and be fixed in on pressing mechanism 62 to go up mould subassembly 10 pressfitting down through the drive of pressing mechanism 62, through the pressfitting of pressfitting machine, can make lower mould subassembly 10 and last mould subassembly 20 counterpoint fast, be difficult to produce the deviation, thereby realize the detection of the metalwork that awaits measuring automatically. Above-mentioned an electric examination utensil cooperation pressfitting machine for mobile terminal metalwork, the operation convenient and fast that gets up can effectively improve the reliability of detection efficiency and detection.

Referring to fig. 6, if the flatness of the metal part to be tested is not good, the actual surface of the metal part to be tested will be connected to the lower die electrode plate 11 and/or the upper die electrode plate 21 to form a circuit, and the alarm device connected to the lower die electrode plate 11 and/or the upper die electrode plate 21 will be activated, so as to visually determine whether the flatness of the metal part to be tested is good. When detecting the plane degree of the metalwork that awaits measuring, utilize its upper and lower two sides can be detected the face and cover completely, through last membrane module 20 and lower membrane module 10 pressfitting can carry out the positive and negative simultaneously and detect the metalwork that awaits measuring, need not the segmentation and detect and can not leak and examine, consequently, the utility model provides a tool operation is got up conveniently, swiftly, can improve the reliability of detection efficiency and detection.

In practical application, the electrical inspection device of the present embodiment can be used to detect the flatness of the metal piece to be detected according to the following steps:

and S1, under the condition that the power supply of the control assembly 40 is turned off, controlling the upper die assembly 20 to move to a proper height through the pressing machine, and placing the metal piece to be tested on the lower die assembly 10.

The proper height is based on the condition that the metal piece to be tested of the mobile phone can be conveniently placed.

S2, the bonding machine moves the upper mold assembly 20 to the lowest position by the bonding mechanism 62, and performs bonding of the lower mold assembly 10 and the upper mold assembly 20. "lowest position" means a position where normal testing is guaranteed.

And S3, turning on a power supply of the control component 40, judging that the flatness of the metal piece to be detected is unqualified if the alarm is on and/or rings, and judging that the flatness of the metal piece to be detected is qualified if the alarm is not on.

And S5, observing whether the side surface of the metal piece to be detected has flaws through the magnifier 31.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An electrical testing tool for a mobile terminal metal piece, comprising:

the lower die assembly (10) comprises a lower die electrode plate (11), a lower die outer template (12) and a lower die insulating plate (13), the lower die electrode plate (11) is nested in the lower die insulating plate (13), and the upper surface of the lower die electrode plate (11) is higher than the edge of the lower die insulating plate (13); the lower die insulation plate (13) is nested in the lower die outer template (12); when a metal piece to be tested is arranged on the lower die assembly (10), the edge of the metal piece to be tested is placed on the edge of the lower die insulation plate (13);

the upper die assembly (20) comprises an upper die electrode plate (21), an upper die outer template (22) and an upper die insulating plate (23), the upper die electrode plate (21) is nested in the upper die insulating plate (23), and the upper die insulating plate (23) is nested in the upper die outer template (22);

the magnifier assembly comprises a magnifier (31), and the magnifier (31) is arranged on two sides of the lower die outer template (12);

when the lower die assembly (10) and the upper die assembly (20) are pressed, the metal piece to be tested is clamped between the lower die electrode plate (11) and the upper die electrode plate (21), and the side face of the metal piece to be tested is amplified through the magnifier (31).

2. The electrical inspection tool for metal pieces of mobile terminals according to claim 1, characterized in that a controller assembly (40) is further disposed at the bottom of the lower mold assembly (10), and the lower mold assembly (10) is spaced from the controller assembly (40) by a lower mold insulating pad (14); the lower die outer template (12), the lower die insulating plate (13) and the lower die electrode plate (11) are respectively provided with a first through hole (52) for a probe (51) to pass through; when the metal piece to be tested is arranged on the lower die electrode plate (11), the controller assembly (40) is electrically connected with the metal piece to be tested.

3. The electrical inspection tool for the metal pieces of mobile terminals according to claim 1, wherein the upper mold outer mold plate (22) is provided with a groove (221), and the groove (221) is used for nesting the upper mold insulating plate (23); an elastic pin hole (222) for installing a pre-pressing elastic pin (24) is formed in the upper die outer die plate (22), and the elastic pin hole (222) is formed along the edge of the groove (221).

4. The electrical detection tool for the mobile terminal metal piece according to claim 3, wherein the upper die electrode plate (21) and the upper die insulating plate (23) are respectively provided with a first spring pin avoiding groove (211) and a second spring pin avoiding groove (231) for avoiding the pre-pressed spring pin (24).

5. The electrical detection tool for the metal piece of the mobile terminal according to claim 1, wherein the lower outer template (12) is provided with a connecting hole (121) for electrically connecting an upper probe (53), the upper outer template (22) is provided with the upper probe (53) at a position corresponding to the connecting hole (121), and the upper probe (53) sequentially passes through the upper insulating plate (23) and the upper electrode plate (21); when the lower die assembly (10) and the upper die assembly (20) are pressed, the upper die probe (53) is electrically connected with the connecting hole (121).

6. The electrical detection tool for the metal piece of the mobile terminal according to claim 1, wherein the lower die insulation plate (13) is formed with a fool-proof bump (131) protruding upwards, and the fool-proof bump (131) penetrates through the lower die electrode plate (11); the upper die electrode plate (21) is correspondingly provided with a fool-proof groove (212) for accommodating the fool-proof bump (131); when the lower die component (10) and the upper die component (20) are pressed, the fool-proof lug (131) extends into the fool-proof groove (212).

7. The electric testing tool for the metal piece of the mobile terminal according to claim 1, characterized in that the upper die electrode plate (21) is further provided with illuminating lamps (25) at both sides for assisting the magnifying glass (31).

8. The electric testing tool for the metal piece of the mobile terminal according to claim 1, wherein the magnifier assembly further comprises a fixing base (32) for fixing the magnifier (31), and the fixing base (32) is fixedly arranged on two sides of the lower mold outer template (12).

9. A laminating machine, characterized in that: an electrical test fixture for a piece of mobile terminal metal comprising any one of claims 1-8; the lower die assembly (10) is fixed on the workbench (61), and the upper die assembly (20) is fixed on the pressing mechanism (62); the pressing mechanism (62) drives the upper die assembly (20) to press towards the lower die assembly (10).