CN211236131U

CN211236131U - FPC automatic test equipment

Info

Publication number: CN211236131U
Application number: CN201921984044.7U
Authority: CN
Inventors: 侯育; 何柯
Original assignee: Shenzhen Guling Electronic Co ltd
Current assignee: Shenzhen Guling Electronic Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-08-11
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a FPC automatic test equipment, which comprises a device frame with an installation cavity, an automatic feeding mechanism arranged on the device frame, a FPC automatic test mechanism arranged on the device frame and positioned at the side of the automatic feeding mechanism, a FPC automatic marking mechanism arranged on the device frame and connected with the FPC automatic test mechanism, a FPC automatic classification mechanism arranged on the device frame and connected with the FPC automatic marking mechanism, and a FPC automatic paper separation mechanism arranged on the device frame and positioned at the side of the FPC automatic test mechanism; the FPC automatic testing mechanism comprises an upper jig fixing mechanism, a lower jig fixing mechanism connected with the upper jig fixing mechanism, an upper jig pressing and positioning mechanism arranged at one end of the upper jig fixing mechanism facing to the lower jig fixing mechanism, a testing flat cable fixing mechanism connected with the lower jig fixing mechanism, and a testing card box mounting mechanism connected with the testing flat cable fixing mechanism.

Description

FPC automatic test equipment

Technical Field

The utility model relates to a FPC tests technical field, especially relates to an FPC automatic test equipment.

Background

Flexibleprintdcircuit board) is called a "soft board" for short, and is commonly called an FPC in the industry, and is a printed circuit board made of a flexible insulating base material, and has many advantages that a rigid printed circuit board does not have, such as high wiring density, light weight, thin thickness, good bending property, and the like.

Ordinary electrical property test equipment only provides FPC's single test ability, in FPC's test procedure, need carry out artifical material loading, the manual work is made the mark, artifical full yields and non-full yields of distinguishing, the manual work carries out the interlayer between the FPC when receiving the board, in long-term production process, the manual work is made mistakes easily or is harmd FPC, lead to the later stage paster to scrap, the cost increase to and the problem of making mistakes traces back the difficulty, consequently need replace manual operation process with automatic test.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

For the above reasons, the applicant proposes an automatic FPC testing device, aiming to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to meet the requirements, the utility model aims to provide an FPC automatic test equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an FPC automatic testing device comprises a device frame with an installation cavity, an automatic feeding mechanism arranged on the device frame, an FPC automatic testing mechanism arranged on the device frame and positioned at the side edge of the automatic feeding mechanism, an FPC automatic marking mechanism arranged on the device frame and connected with the FPC automatic testing mechanism, an FPC automatic sorting mechanism arranged on the device frame and connected with the FPC automatic marking mechanism, and an FPC automatic paper separating mechanism arranged on the device frame and positioned at the side edge of the FPC automatic testing mechanism;

the FPC automatic testing mechanism comprises an upper jig fixing mechanism, a lower jig fixing mechanism connected with the upper jig fixing mechanism, an upper jig pressing and positioning mechanism arranged at one end of the upper jig fixing mechanism facing to the lower jig fixing mechanism, a testing flat cable fixing mechanism connected with the upper jig fixing mechanism and the lower jig fixing mechanism, and a testing card box mounting mechanism connected with the testing flat cable fixing mechanism.

In one possible embodiment, the automatic feeding mechanism comprises an FPC loading positioning mechanism, an FPC sucking mechanism located above the FPC loading positioning mechanism, and an FPC feeding displacement mechanism located at the side edge of the FPC sucking mechanism.

In one possible embodiment, the FPC loading positioning mechanism includes a positioning pin adjustable in the X \ Y direction, and a lifting mechanism; the positioning pin is used for positioning and testing the penetration pin of the FPC, and the lifting mechanism is used for positioning the FPC which is adsorbed by the FPC board adsorption mechanism to a position to be adsorbed after the FPC is conveyed to a test position.

In one possible embodiment, the FPC suction mechanism includes an adjustable vacuum chuck mechanism, and a lift mechanism.

In one possible embodiment, the automatic marking mechanism for the FPC comprises an FPC supporting plate, an FPC rotating mechanism mounted on the FPC supporting plate, and an FPC marking mechanism for realizing FPC marking.

In one possible embodiment, the automatic marking mechanism for the FPC comprises 3-4 pairs of marking mechanisms which are respectively used for good product marking, open circuit marking, short circuit marking, defective product marking, production batch marking and four-line bad marking.

In one possible embodiment, the FPC automatic sorting mechanism includes an FPC suction mechanism, an FPC sorting mechanism connected to the FPC suction mechanism, and an FPC take-up mechanism located at a side of the FPC suction mechanism.

In one possible embodiment, the FPC sorting mechanism is composed of a telescopic moving mechanism, and the FPC picking-up mechanism includes a double-layer magazine driven by a motor or an air cylinder.

In one possible embodiment, the FPC automatic paper separation mechanism comprises a paper suction part and a paper placing part connected with the paper suction part.

In one possible embodiment, the paper suction part comprises a paper suction lifting unit, a paper shaking unit and a paper suction unit, wherein the paper shaking unit is used for vibrating paper, and the paper suction lifting unit is used for driving the paper suction unit to ascend and descend to drive the paper to move.

Compared with the prior art, the beneficial effects of the utility model reside in that: the automatic test equipment of this scheme of adoption, automatic feeding mechanism and FPC automatic test mechanism, the automatic marking mechanism of FPC, FPC automatic classification mechanism and the automatic paper mechanism that separates of FPC mutually support, realize FPC's integration test. The FPC automatic test mechanism is pressed by the upper/lower die jig, the pressing process can be realized by combining the counting of the counter and the pressure control, after a probe on the jig is contacted with a test PAD of the FPC, the test jig is connected with a test switch card through a flat cable, the switch card is responsible for carrying out electrical performance testing, the control of the testing, the mode of the testing, the parameter adjustment of the testing, the operation mode of the test result display and the test are realized by test software, and meanwhile, the test result is output to marking software to be read, so that the FPC automatic test is realized.

The invention is further described with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of an automatic FPC testing apparatus according to the present invention;

FIG. 2 is a schematic view of the internal structure of the rack of the hidden device of FIG. 1;

FIG. 3 is a schematic diagram of the structure of the FPC automatic test mechanism of the device of FIG. 1;

FIG. 4 is a schematic structural view of another portion of the FPC automatic test mechanism of the device of FIG. 1;

FIG. 5 is a schematic diagram of the automatic feeding mechanism of the apparatus of FIG. 1;

FIG. 6 is a schematic view of the automatic feed mechanism of another portion of the automatic feed mechanism of the apparatus of FIG. 1;

FIG. 7 is a schematic structural view of an FPC automatic marking mechanism of the device of FIG. 1;

FIG. 8 is a schematic structural view of an FPC automatic sorting mechanism of the apparatus of FIG. 1;

fig. 9 is a schematic structural diagram of an FPC automatic paper separation mechanism of the apparatus of fig. 1.

Reference numerals

100 device rack 101 installation cavity

200 automatic feeding mechanism 201 FPC loads positioning mechanism

202 FPC sucking mechanism 203 FPC feeding displacement mechanism

Jig fixing mechanism on 300 FPC automatic testing mechanism 301

Pressing and positioning mechanism for upper jig of 302 lower jig fixing mechanism 303

304 test control box mounting mechanism 305 test card box mounting mechanism

401 FPC supporting plate of 400 FPC automatic marking mechanism

402 FPC rotary mechanism 403 FPC mark mechanism

501 FPC board sucking mechanism of 500 FPC automatic classification mechanism

502 FPC sorting mechanism 503 FPC board collecting mechanism

600 FPC automatic paper separation mechanism 601 paper suction part

602 paper placing part

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following 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 those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating 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 the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

As shown in fig. 1 and fig. 2, for the structure of the present invention, the structure of the present invention includes a device frame 100 having an installation cavity 101, an automatic feeding mechanism 200 installed in the device frame 100, an FPC automatic testing mechanism 300 installed in the device frame 100 and located at the side of the automatic feeding mechanism 200, an FPC automatic marking mechanism 400 installed in the device frame 100 and connected to the FPC automatic testing mechanism 300, an FPC automatic sorting mechanism 500 installed in the device frame 100 and connected to the FPC automatic marking mechanism 400, and an FPC automatic paper separating mechanism 600 installed in the device frame 100 and located at the side of the FPC automatic testing mechanism 300;

in the embodiment shown in fig. 3 and 4, the automatic FPC testing mechanism 300 includes an upper jig fixing mechanism 301, a lower jig fixing mechanism 302 connected to the upper jig fixing mechanism 301, an upper jig pressing and positioning mechanism 303 installed at an end of the upper jig fixing mechanism 301 facing the lower jig fixing mechanism 302, a test cable fixing mechanism connected to the lower jig fixing mechanism 302, and a test card box mounting mechanism 305 connected to the test cable fixing mechanism.

Wherein, FPC automatic test adopts down tool fixed establishment 302 fixed lower mould, it realizes automatic test to go up the mode of tool fixed establishment 301 lift last mould, the height of highly adaptable different tools between the lower mould is adjusted and is improved efficiency of software testing simultaneously, on, height control between the lower mould is with the height that send the board arm can normally stretch out and draw back as the standard, it realizes with motor or cylinder drive to go up mould tool elevating system, it is when being close lower mould tool to go up mould tool actuating mechanism, can automatic deceleration, avoid because of the mechanism undershoot speed is too fast, pressure is too big, cause the indentation to FPC.

A single testing jig needs to be customized for testing the FPC of each model, and the manufacturing of the testing jig can be realized by CAM software.

The locking platform of lower tool fixed establishment 302 adopts the fixed hole site of grid formula, adapts to the fastening means of not unidimensional tool, and whole locking platform is scalable when overhauing the tool, makes things convenient for tool inspection and repair, and locking platform adopts the cylinder to add complementary unit and fixes when automatic test, avoids test fixture test procedure off normal.

The upper jig fixing mechanism 301 adopts an adjustable fixing mechanism in the X/Y direction, so that the test jigs with different sizes of the upper die are locked on the upper jig fixing mechanism 301, and the positions of the test jigs of the upper die and the lower die are ensured to be matched with the test position of the FPC.

The FPC automatic testing mechanism is pressed by the upper/lower jig fixing mechanism, the pressing process is realized by combining the counting of the counter and the pressure control, after a probe on the jig is contacted with a test PAD of the FPC, the test jig is connected with a test switch card through a flat cable, the switch card is responsible for carrying out electrical performance testing, the control of the testing, the mode of the testing, the parameter adjustment of the testing, the operation mode of the test result display and the test are realized by test software, and meanwhile, the test result is output to marking software to be read.

As shown in fig. 2, 5 and 6, the automatic feeding mechanism 200 includes, as one possible implementation manner, an FPC loading positioning mechanism 201, an FPC sucking mechanism 202 located above the FPC loading positioning mechanism 201, and an FPC feeding displacement mechanism 203 located at a side of the FPC sucking mechanism 202.

In one possible embodiment, the FPC mounting positioning mechanism 201 includes a positioning pin adjustable in the X \ Y direction, and a lifting mechanism; the positioning pins are used for positioning and testing the penetration pins of the FPC, and the lifting mechanism is used for positioning the residual FPC to the position to be adsorbed after the FPC adsorbed by the FPC adsorbing mechanism 202 is sent to the testing position.

In one possible embodiment, the FPC suction mechanism 202 includes an adjustable vacuum chuck mechanism, and a lift mechanism.

Specifically, the FPC loading and positioning mechanism 201 is responsible for loading the FPC to be tested to the positioning platform, the FPC loading and positioning mechanism 201 is provided with an X \ Y direction adjustable positioning pin to adapt to needle threading and positioning tests of different FPCs, and the Y direction needle threading and positioning has multi-direction adjustable capability. The FPC loading positioning mechanism 201 has a lifting function, and after the FPC is sent to the test site by the FPC feeding displacement mechanism 203 each time, the remaining FPCs are positioned to the positions to be adsorbed by the lifting mechanism.

The FPC board sucking mechanism 202 is realized by an adjustable vacuum sucker mechanism and a lifting mechanism, and the FPC to be tested is sucked up in a mode of moving the loaded and positioned FPC to be in a vacuum state.

The FPC board feeding displacement mechanism 203 is realized by an X/Y platform and is responsible for feeding FPC from a loading positioning part to an automatic testing unit for testing, the automatic feeding of different FPCs is realized by setting the positioning and shape stroke of a feeding arm X/Y, the FPCs are required to be distributed according to a jig unit during stepping testing, and the FPC board feeding displacement is tested in a stepping displacement mode, so that the automatic feeding capacity of the FPC is realized.

When the automatic feeding mechanism 200 sucks the board at the FPC loading position and the test area performs the stepping test movement, the marking rotary tray mechanism needs to be avoided.

The automatic feeding mechanism 200 is divided into an FPC one-time test feeding mode, a stepping test feeding mode, a retest feeding mode, a male and female board test feeding mode, an irregular stepping FPC test feeding mode, and different feeding positions are realized through control software.

In the embodiment shown in fig. 2 and fig. 7, as a possible implementation manner, the FPC automatic marking mechanism 400 includes an FPC supporting plate 401, an FPC rotating mechanism 402 mounted on the FPC supporting plate 401, and an FPC marking mechanism 403 for marking the FPC.

In the embodiment shown in fig. 2 and 7, the FPC automatic marking mechanism 400 includes 3 to 4 marking mechanisms for good product marking, open circuit marking, short circuit marking, defective product marking, production lot marking, and four-line defective marking, respectively.

Specifically, after the automatic testing of FPC is finished, FPC send board displacement mechanism 203 to put the FPC after the test on FPC layer board 401, FPC layer board 401 is through the vacuum mode, adsorbs FPC to beating on the mark layer board, makes FPC not squint at the transfer process, guarantees to beat every turn and marks and mark unanimity with the actual test. FPC layer board 401 sends FPC to and marks the position, if negative and positive board test, or under the rotatory open circuit retest mode condition, FPC rotary mechanism 402 need rotate FPC 180, send to and mark the position again.

And marking software drives the marking mechanism to a corresponding marking position according to the testing result of the jig unit every time, the FPC takes the PCS as a unit to make open circuit, short circuit and open short circuit marks for the PCS of the NG, and takes the SET as a unit to make good product marks or non-complete product marks for the FPC of each SET. After the marking is finished, visual inspection is carried out to judge whether the marking condition is normal, omitted, wrong and the like!

The marking mechanism provides 3-4 pairs of marking mechanisms, namely a good product mark (OK), an open circuit mark (O), a short circuit mark (S) and an open short circuit mark (O/S), the marking head is driven to be an air cylinder or a motor, and the marking mechanism is driven to be an X \ Y motion platform.

In the embodiment shown in fig. 8, the FPC automatic sorting mechanism 500 includes an FPC suction mechanism 501, an FPC sorting mechanism 502 connected to the FPC suction mechanism 501, and an FPC holding mechanism 503 located at a side of the FPC suction mechanism 501.

The FPC sorting mechanism 500 is composed of a telescopic motion mechanism, the FPC sorting and placing are achieved by outputting the transmission distance which is 2 times of the distance of control software, the FPC board collecting mechanism comprises a double-layer material collecting box, and the double-layer material collecting box is driven and transmitted by a motor or an air cylinder.

Specifically, after the marking of the FPC is finished, the marking mechanism returns to a waiting position, the FPC sucking mechanism 501 well sucks the FPC on the marking supporting plate, the marking supporting plate returns to a safe position, the FPC is placed into a corresponding receiving box by taking SET as a unit according to a test result, meanwhile, the corresponding receiving box returns to a plate placing position, after the plate is placed, the FPC classifying mechanism 502 returns to the waiting position, and the receiving box returns to the waiting position; and a paper separation mode is added, and the material collecting box returns to the waiting position after receiving and collecting the paper separation at the paper separation position.

The FPC board receiving mechanism 503 is realized by double-layer material receiving boxes, each layer of material receiving boxes are driven by a motor or an air cylinder, each layer of material receiving boxes can run to a waiting position, a board receiving position and a paper separating position, and the material receiving boxes are full of boards for detection.

In the embodiment shown in fig. 9, the FPC automatic paper separation mechanism 600 includes a paper suction portion 601, and a paper discharge portion 602 connected to the paper suction portion 601.

In which the paper feeding part 602 stores paper or film to be separated. After the paper suction portion 601 sucks a layer of paper or film on the mouth, the paper discharge portion 602 detects the position of the remaining paper or film, and the paper discharge lifting mechanism ensures that the subsequent paper can be accurately positioned to the next suction plate position.

The paper absorbing part 601 is provided with a paper absorbing upgrading mechanism, a paper shaking mechanism and three units of the paper absorbing mechanism, when the receiving box is in a waiting position or a plate placing position, the paper absorbing lifting mechanism descends to the position of the absorbing plate, the paper or the film is absorbed by the vacuum and sucking disc mechanism, the problem of absorbing multiple pieces of paper or films at each time is avoided, the paper shaking mechanism gives a certain number of times of shaking of the paper after the paper absorbing is completed, the absorbed redundant paper falls into the playback box, the paper or the film is ensured to be absorbed at each time, then the paper absorbing mechanism ascends to the top point position, the receiving box is transmitted to the paper separating position from the plate collecting position, the paper is placed into the corresponding material box by the paper separating lifting mechanism, the paper separating mechanism ascends to the top point position, and the receiving box returns to the initial waiting position.

To sum up, adopt the automatic test equipment of this scheme, automatic feeding mechanism and FPC automatic test mechanism, the automatic marking mechanism of FPC, FPC automatic classification mechanism and the automatic paper mechanism that separates of FPC cooperate each other, realize FPC's integration test. The FPC automatic test mechanism is pressed by the upper/lower die jig, the pressing process can be realized by combining the counting of the counter and the pressure control, after a probe on the jig is contacted with a test PAD of the FPC, the test jig is connected with a test switch card through a flat cable, the switch card is responsible for carrying out electrical performance testing, the control of the testing, the mode of the testing, the parameter adjustment of the testing, the operation mode of the test result display and the test are realized by test software, and meanwhile, the test result is output to marking software to be read, so that the FPC automatic test is realized.

Various other modifications and changes can be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the protection scope of the present invention.

Claims

1. The FPC automatic testing equipment is characterized by comprising an apparatus frame with an installation cavity, an automatic feeding mechanism arranged on the apparatus frame, an FPC automatic testing mechanism arranged on the apparatus frame and positioned at the side edge of the automatic feeding mechanism, an FPC automatic marking mechanism arranged on the apparatus frame and connected with the FPC automatic testing mechanism, an FPC automatic sorting mechanism arranged on the apparatus frame and connected with the FPC automatic marking mechanism, and an FPC automatic paper separating mechanism arranged on the apparatus frame and positioned at the side edge of the FPC automatic testing mechanism;

the FPC automatic testing mechanism comprises an upper jig fixing mechanism, a lower jig fixing mechanism connected with the upper jig fixing mechanism, an upper jig pressing and positioning mechanism arranged at one end of the upper jig fixing mechanism facing to the lower jig fixing mechanism, a testing flat cable fixing mechanism connected with the lower jig fixing mechanism, and a testing card box mounting mechanism connected with the testing flat cable fixing mechanism.

2. The FPC automatic test equipment of claim 1, wherein the automatic feeding mechanism comprises an FPC loading and positioning mechanism, an FPC sucking mechanism positioned above the FPC loading and positioning mechanism, and an FPC feeding and displacing mechanism positioned at the side edge of the FPC sucking mechanism.

3. The FPC automatic test equipment of claim 2, wherein the FPC loading and positioning mechanism comprises a positioning pin adjustable in X \ Y direction and a lifting mechanism; the positioning pin is used for positioning and testing the penetration pin of the FPC, and the lifting mechanism is used for positioning the FPC which is adsorbed by the FPC board adsorption mechanism to a position to be adsorbed after the FPC is conveyed to a test position.

4. The FPC automatic test equipment of claim 2, wherein the FPC board sucking mechanism comprises an adjustable vacuum chuck mechanism and a lifting mechanism.

5. The automatic FPC testing equipment of claim 1, wherein the automatic FPC marking mechanism comprises an FPC supporting plate, an FPC rotating mechanism installed on the FPC supporting plate, and an FPC marking mechanism used for achieving FPC marking.

6. The FPC automatic test equipment of claim 1, wherein the FPC automatic marking mechanism comprises 3-4 pairs of marking mechanisms respectively used for good product marking, open circuit marking, short circuit marking, defective product marking, production batch marking and four-line bad marking.

7. The FPC automatic test equipment of claim 1, wherein the FPC automatic sorting mechanism comprises an FPC sucking mechanism, an FPC sorting mechanism connected with the FPC sucking mechanism, and an FPC board collecting mechanism located at the side edge of the FPC sucking mechanism.

8. The FPC automatic test equipment of claim 7, wherein the FPC sorting mechanism is composed of a telescopic motion mechanism, and the FPC board collecting mechanism comprises a double-layer material collecting box driven by a motor or an air cylinder.

9. The FPC automatic test equipment of claim 1, wherein the FPC automatic separation mechanism comprises a paper suction part and a paper placing part connected with the paper suction part.

10. The FPC automatic test equipment of claim 9, wherein the paper suction part comprises a paper suction lifting unit, a paper shaking unit and a paper suction unit, the paper shaking unit is used for shaking paper, and the paper suction lifting unit is used for driving the paper suction unit to ascend and descend to drive the paper to move.