CN215319070U

CN215319070U - Optical device FPC cutting device

Info

Publication number: CN215319070U
Application number: CN202022993918.4U
Authority: CN
Inventors: 鲁小义; 程国锦; 李林科; 吴天书; 杨现文; 张健
Original assignee: Wuhan Linktel Technologies Co Ltd
Current assignee: Wuhan Linktel Technologies Co Ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-12-28
Anticipated expiration: 2030-12-14

Abstract

The utility model relates to an FPC (flexible printed circuit) cutting device for an optical device, which comprises a cutting base, an upper cutter, a lower cutter, a leveling unit for leveling the FPC and a workpiece clamp suitable for clamping the FPC, wherein the workpiece clamp is arranged beside the cutting base, the lower cutter and the leveling unit are both arranged on the cutting base, and the leveling unit is positioned between the workpiece clamp and the lower cutter; the upper cutter is provided with a cutting driving unit for driving the upper cutter to be close to or far away from the lower cutter. According to the utility model, the FPC is leveled through the leveling unit, and the leveled part is close to the target cutting position of the FPC, so that the stability of the position and the shape of the FPC on the cutting base can be ensured, the cutting precision and the cutting quality of the FPC are improved, and the product quality of a photo device is further improved. The utility model can realize the full-automatic or semi-automatic cutting operation of the FPC, obviously improve the cutting efficiency of the FPC and reduce the labor intensity of testing personnel.

Description

Optical device FPC cutting device

Technical Field

The utility model belongs to the technical field of optical device production and manufacturing, and particularly relates to an FPC cutting device for an optical device.

Background

In the field of optical device production and manufacturing, optical devices are often required to be connected with a test board through an FPC for multi-aspect test, and a normal FPC is short, so that a tester is difficult to operate, and the FPC is easily damaged due to too many operation times. In actual tests, the applicant can solve the problems by lengthening the FPC, so that the operation convenience of testers can be better improved; however, after the optical device is tested, the lengthened part of the FPC needs to be cut off, so that the existing method mainly comprises manual cutting by operators, wastes time and labor, is easy to have the problem of nonstandard cutting, and reduces the product quality of the optical device.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an FPC cutting device for an optical device, which can at least solve part of defects in the prior art.

The utility model relates to an FPC (flexible printed circuit) cutting device for an optical device, which comprises a cutting base, an upper cutter, a lower cutter, a leveling unit for leveling the FPC and a workpiece clamp suitable for clamping the FPC, wherein the workpiece clamp is arranged beside the cutting base, the lower cutter and the leveling unit are both arranged on the cutting base, and the leveling unit is positioned between the workpiece clamp and the lower cutter; the upper cutter is provided with a cutting driving unit for driving the upper cutter to be close to or far away from the lower cutter.

As one embodiment, the leveling unit includes a plurality of suction holes opened at the top of the cutting base and an air suction channel formed in the cutting base and communicated with the suction holes, and the air suction channel is connected with a vacuum pumping device.

As one embodiment, the optical device FPC cutting apparatus further includes a pre-pressing block for pre-pressing the FPC before cutting, the pre-pressing block being disposed right above the leveling unit.

As one embodiment, the upper cutter is arranged on a lifting seat, and the lifting seat is connected with the cutting driving unit; the prepressing block is installed at the bottom of the lifting seat through a buffer spring, and when the buffer spring is in a free state, the bottom end of the prepressing block is located below the bottom end of the upper cutter.

In one embodiment, the cutting base is provided with a guide unit for guiding the lifting movement of the lifting base.

As one embodiment, the work holder includes a holding stage adapted to hold the FPC, and a positioning mechanism for adjusting a spatial position of the holding stage.

As one embodiment, the positioning mechanism comprises an X-direction displacement adjusting unit, a Y-direction displacement adjusting unit and a Z-direction displacement adjusting unit which are combined into a three-dimensional displacement table, wherein the X direction is parallel to the length direction of the lower cutter.

As one embodiment, the clamping table includes a table body connected to the positioning mechanism, a clamping seat pivotally connected to the table body, and an angle adjusting unit for driving the clamping seat to rotate around a pivot shaft, and the axial direction of the pivot shaft is parallel to the length direction of the lower cutter.

As one embodiment, the optical device FPC cutting apparatus further includes a visual monitoring unit supported by the bracket and located above the cutting base.

In one embodiment, a storage box is arranged on one side of the lower cutter away from the workpiece fixture.

The utility model has at least the following beneficial effects:

because the FPC is soft and is easy to bend, wrinkle and the like, the utility model levels the FPC through the leveling unit, and the leveled part is close to the target cutting position of the FPC, so that the stability of the position and the shape of the FPC on the cutting base can be ensured, the cutting precision and the cutting quality of the FPC are improved, and the product quality of optical devices is further improved. The cutting device provided by the utility model can realize full-automatic or semi-automatic cutting operation of the FPC, obviously improve the cutting efficiency of the FPC and reduce the labor intensity of testers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an optical device FPC cutting apparatus according to an embodiment of the present invention;

fig. 2 and 3 are schematic structural diagrams of the cooperation of an upper cutter and a lower cutter provided by the embodiment of the utility model;

FIG. 4 is a schematic structural diagram of a workpiece holder according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a clamping table according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, an embodiment of the present invention provides an optical device FPC cutting apparatus, including a cutting base 4, an upper cutter 9, a lower cutter 10, a leveling unit for leveling an FPC11, and a workpiece holder 2 adapted to hold an FPC11, where the workpiece holder 2 is disposed beside the cutting base 4, the lower cutter 10 and the leveling unit are both disposed on the cutting base 4, and the leveling unit is located between the workpiece holder 2 and the lower cutter 10; the upper cutter 9 is provided with a cutting driving unit for driving it to approach or separate from the lower cutter 10.

Alternatively, the cutting device described above includes a frame 1, a cutting base 4 being mounted on the frame 1, and a work holder 2 also preferably being mounted on the frame 1. Further, as shown in fig. 1-3, a storage box 6 is disposed on a side of the lower cutter 10 away from the work holder 2 for collecting cut FPC waste.

Optionally, as shown in fig. 1 to fig. 3, the upper cutter 9 is mounted on a lifting seat 5, the lifting seat 5 is connected with the cutting driving unit, the cutting driving unit may adopt conventional lifting driving devices such as an air cylinder, a hydraulic cylinder, etc., and the upper cutter 9 is driven to lift by the lifting seat 5, so that the stability is higher. Furthermore, a guide unit for guiding the lifting motion of the lifting seat 5 is arranged on the cutting base 4, so that the stability of the lifting motion of the lifting seat 5 can be effectively improved, the stability of the lifting motion of the upper cutter 9 is further improved, and the cutting quality of the FPC is ensured; the guide unit may adopt a conventional guide bar-guide bush fitting structure, a slider-slide rail fitting structure, etc., and in the structure shown in fig. 2 and 3, a guide post 41 is provided on the cutting base 4, and a guide hole is provided on the lifting base 5, through which the guide post 41 is fitted to guide the lifting base 5.

Because FPC11 is softer, the easy problem such as crooked, fold appears, levels FPC11 through above-mentioned unit of leveling, and smooth part is close to FPC 11's target cutting position moreover, can guarantee FPC11 on cutting base 4 the stability of position and form to improve FPC cutting accuracy and cutting quality, and then improve the product quality of light device.

In one embodiment, the leveling unit may be a press leveling device, i.e., after the FPC11 is placed on the cutting base 4, the leveling unit is pressed down on the FPC surface to achieve the leveling. In another embodiment, the leveling unit adopts an adsorption leveling manner, and specifically, the leveling unit includes a plurality of adsorption holes opened at the top of the cutting base 4 and an air exhaust channel formed in the cutting base 4 and communicated with the adsorption holes, and the air exhaust channel is connected with a vacuum extractor 8. The vacuum extractor 8 is a conventional device, commercially available, and the detailed structure thereof is not described herein. Based on the adsorption flattening scheme, the FPC11 can be prevented from being damaged while the flattening effect on the FPC is ensured; the smooth form of the FPC11 can be intuitively known so as to be convenient for timely adjustment and avoid the influence on the normal cutting of the FPC11 due to the shielding of the upper surface of the FPC.

Further optimizing the structure of the cutting device, as shown in fig. 3, the optical device FPC cutting device further includes a prepressing block 3 for prepressing FPC11 before cutting, where the prepressing block 3 is arranged right above the leveling unit. The FPC11 is pre-compressed through the pre-pressing block 3, the FPC11 is guaranteed to be fixed before cutting, and particularly the FPC cutting quality is effectively improved by matching with the adsorption flat structure. The pre-pressing block 3 can be provided with an independent driving device to drive the pre-pressing block 3 to lift; in another embodiment, the pre-pressing block 3 follows the upper cutter 9, for example, in the case that the upper cutter 9 is mounted on the lifting seat 5, the pre-pressing block 3 is also mounted on the lifting seat 5, so that the number of devices can be reduced, the cost of the devices can be saved, and the consistency of the actions of the pre-pressing block 3 and the upper cutter 9 can be ensured. Because the pre-pressing block 3 needs to contact with the FPC11 before the upper cutter 9 and does not affect the cutting action of the upper cutter 9, preferably, the pre-pressing block 3 is installed at the bottom of the lifting seat 5 through a buffer spring 31, and when the buffer spring 31 is in a free state, the bottom end of the pre-pressing block 3 is located below the bottom end of the upper cutter 9; when the pre-pressing block 3 is not in contact with the FPC11, the buffer spring 31 is basically in a free state (when the pre-pressing block 3 is heavy, the buffer spring 31 has a certain stretching amount), when the lifting seat 5 descends gradually, the pre-pressing block 3 contacts with the FPC11 first, the lifting seat 5 descends further, the buffer spring 31 is compressed, the pre-pressing block 3 can compress the FPC11 through the elastic force of the buffer spring 31, the lifting seat 5 descends further, namely, the upper cutter 9 is driven to contact with the FPC11, and the lower cutter 10 is matched with the upper cutter to cut the FPC 11.

Further optimizing the structure of the cutting device, the workpiece clamp 2 comprises a clamping table suitable for clamping the FPC11 and a positioning mechanism used for adjusting the spatial position of the clamping table. In one embodiment, as shown in fig. 4, the positioning mechanism comprises an X-direction displacement adjusting unit 21, a Y-direction displacement adjusting unit 22 and a Z-direction displacement adjusting unit 23 which are combined into a three-dimensional displacement table, wherein the X-direction is parallel to the length direction of the lower cutter 10. It is understood that the length direction of the lower cutter 10 is the length direction of the cutting edge of the lower cutter 10, and is the width direction of the FPC11 to be held. The X-direction displacement adjusting unit 21, the Y-direction displacement adjusting unit 22 and the Z-direction displacement adjusting unit 23 may be automatic displacement driving devices, or may be a manual structure, such as a precise manual displacement table, and the specific structure is omitted here.

Further preferably, as shown in fig. 4 and 5, the clamping table includes a table body 24 connected to the positioning mechanism, a clamping seat 25 pivotally connected to the table body 24, and an angle adjusting unit 26 for driving the clamping seat 25 to rotate around a pivot shaft 27, wherein an axial direction of the pivot shaft 27 is parallel to a length direction of the lower cutter 10. The angle between the clamping seat 25 and the horizontal plane is adjusted through the angle adjusting unit 26, and the positioning function of the positioning mechanism on the table body 24 is combined, so that the accuracy of FPC space position positioning can be fully ensured, and the cutting precision of the FPC11 is improved. The angle adjusting unit 26 may be an automatic driving device such as an air cylinder and an electric push rod, or a manual driving structure, such as a bearing rotation, a spring force and a micrometer feeding, which are conventional mechanical structures and will not be described in detail herein. After the holder 25 is adjusted in position, the holder 25 is fixed by the air gripper 28.

In a preferred scheme, as shown in fig. 1, the optical device FPC cutting device further comprises a visual monitoring unit 7, wherein the visual monitoring unit 7 is supported by a bracket and is positioned above the cutting base 4. The vision monitoring unit 7 can adopt vision monitoring equipment such as a CCD camera and the like; this vision monitoring unit 7 can not only accurately discern waiting to cut the position of FPC11 to adjust the position of FPC11, guarantee to cut the quality, can also acquire the FPC image after cutting in order to judge the effect of cutting, also can acquire the form that FPC11 is adsorbed after leveling in order to judge leveling effect etc. consequently can improve FPC cutting quality and optical device's product quality effectively.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an optical device FPC cutting device which characterized in that: the flexible printed circuit board trimming device comprises a trimming base, an upper cutter, a lower cutter, a trimming unit for trimming the FPC and a workpiece clamp suitable for clamping the FPC, wherein the workpiece clamp is arranged beside the trimming base, the lower cutter and the trimming unit are both arranged on the trimming base, and the trimming unit is positioned between the workpiece clamp and the lower cutter; the upper cutter is provided with a cutting driving unit for driving the upper cutter to be close to or far away from the lower cutter.

2. The optical device FPC cutting apparatus of claim 1, wherein: the leveling unit comprises a plurality of adsorption holes formed in the top of the cutting base and an air exhaust channel formed in the cutting base and communicated with the adsorption holes, and the air exhaust channel is connected with a vacuumizing device.

3. The optical device FPC cutting apparatus of claim 1, wherein: the FPC cutting device is characterized by further comprising a pre-pressing block for pre-pressing the FPC before cutting, wherein the pre-pressing block is arranged right above the leveling unit.

4. The optical device FPC cutting apparatus of claim 3, wherein: the upper cutter is arranged on a lifting seat, and the lifting seat is connected with the cutting driving unit; the prepressing block is installed at the bottom of the lifting seat through a buffer spring, and when the buffer spring is in a free state, the bottom end of the prepressing block is located below the bottom end of the upper cutter.

5. The optical device FPC cutting apparatus of claim 4, wherein: and the cutting base is provided with a guide unit for guiding the lifting motion of the lifting seat.

6. The optical device FPC cutting apparatus of claim 1, wherein: the workpiece clamp comprises a clamping table suitable for clamping the FPC and a positioning mechanism used for adjusting the space position of the clamping table.

7. The optical device FPC cutting apparatus of claim 6, wherein: the positioning mechanism comprises an X-direction displacement adjusting unit, a Y-direction displacement adjusting unit and a Z-direction displacement adjusting unit which are combined into a three-dimensional displacement table, wherein the X direction is parallel to the length direction of the lower cutter.

8. The optical device FPC cutting apparatus of claim 6, wherein: the clamping table comprises a table body connected with the positioning mechanism, a clamping seat pivoted on the table body and an angle adjusting unit used for driving the clamping seat to rotate around a pivoting shaft, and the axial direction of the pivoting shaft is parallel to the length direction of the lower cutter.

9. The optical device FPC cutting apparatus of any one of claims 1 to 8, wherein: still include the vision monitoring unit, the vision monitoring unit passes through the support and supports and be located cut the top of base.

10. The optical device FPC cutting apparatus of claim 1, wherein: and a storage box is arranged on one side of the lower cutter, which is far away from the workpiece fixture.