CN204330977U - A kind of FPC flexible PCB bending electrical measurement all-in-one - Google Patents

Abstract

The utility model relates to an FPC flexible circuit board bending electric measuring integrated machine, comprising a cabinet, a fixed bracket, a sliding bracket, the fixed bracket is arranged on the cabinet, the upper side of the fixed bracket is provided with a guide rail and a flexible The workpiece groove corresponding to the circuit board; the sliding bracket is slidably arranged on the fixed bracket along the guide rail. The upper part of the sliding bracket is a cylinder frame, and the lower part is a core frame. The through hole is inserted with a bent core and a pogo pin indenter whose lower end corresponds to the pressure block and the pogo pin probe. The utility model maintains the bending state of the FPC flexible circuit board after the bending operation is completed, and then conducts electrical measurement operations on it, reduces the use of jigs and does not need to be clamped and positioned twice, reduces production costs and improves production efficiency and Measurement accuracy.

Description

A FPC flexible circuit board bending electric measuring machine

technical field

The utility model relates to the field of FPC flexible circuit boards, in particular to an FPC flexible circuit board bending electric measuring integrated machine.

Background technique

The FPC flexible circuit board needs to be bent according to the design requirements before leaving the factory to meet the customer's installation needs, and the measuring points at the ends of the bent and formed FPC flexible circuit board need to be electrically tested to ensure that its connection performance meets the requirements of use. Require. The existing bending and electrical measurement processes require two separate fixtures to be carried out separately due to different process indicators. Correspondingly, the workpiece must be clamped and positioned twice at two different stations, which reduces production efficiency.

Contents of the invention

The purpose of the utility model is to solve the above problems. It provides an FPC flexible circuit board bending and electrical measurement integrated machine and a bending and electrical measurement method, which are specifically realized by the following technical solutions:

An FPC flexible circuit board bending and electrical measuring integrated machine includes a cabinet, a fixed bracket, and a sliding bracket. The fixed bracket is arranged on the cabinet, and the upper side of the fixed bracket is provided with guide rails and corresponding to the FPC flexible circuit board. The workpiece slot, the end of the workpiece slot is provided with a test core corresponding to the end of the FPC flexible circuit board and contains a pogo pin probe, and the middle part of the workpiece slot is provided with a receiving part corresponding to the bending part of the FPC flexible circuit board. briquetting block; the sliding bracket is slidably arranged on the fixed bracket along the guide rail, the upper part of the sliding bracket is a cylinder frame, and the lower part is a core frame, and the middle part of the core frame has several through holes arranged vertically. A bending core and a pogo pin indenter with the lower end corresponding to the pressure block and the pogo pin probe are plugged into the through hole; a number of bending cores and pogo pins are longitudinally arranged on the cylinder frame. The corresponding operation drive cylinder of the pin indenter, the upper end of the bending core and the pogo pin indenter is provided with an inverted T-shaped connecting groove, and the connecting groove has a built-in connecting piece that can slide in the connecting groove, and the bending core The sub and the pogo pin pressure head are connected with the corresponding operation driving cylinder through the connecting piece.

The FPC flexible circuit board bending and electrical measuring integrated machine is further designed in that the cabinet is composed of a horizontal cabinet and a vertical cabinet fixedly connected, and the fixing bracket is arranged on the upper side of the horizontal cabinet , the middle part of the vertical cabinet is provided with a station cylinder connected to the sliding bracket, and the sliding bracket slides on the guide rail driven by the station cylinder.

The FPC flexible circuit board bending and electrical measuring machine is further designed in that there are two guide rails, which are arranged parallel to each other on both sides of the upper side of the fixed bracket, and the core frame is straddled on the on the two rails.

The FPC flexible circuit board bending, electrical and measuring integrated machine is further designed in that the lower end surface of the bending core and the upper end surface of the pressure block are curved surfaces corresponding to each other.

The FPC flexible circuit board bending and electrical measuring integrated machine is further designed in that the workpiece groove is L-shaped, and the two sides of the workpiece groove are provided with limit stops corresponding to the sides of the workpiece, and the workpiece groove There is a pick-up gap on one side of the middle part.

The FPC flexible circuit board bending, electrical and measuring machine is further designed in that the connecting piece is in the shape of an inverted T corresponding to the connecting groove, and the upper part of the connecting piece is a cylinder with external threads. The output end of the working driving cylinder is provided with a nut threadedly connected with the cylinder.

The FPC flexible circuit board bending and electrical measuring integrated machine is further designed in that the gas paths of the operation drive cylinder and the station cylinder are connected to corresponding solenoid valves, and the cabinet is also provided with a single-chip microcomputer, a display screen And some photoelectric displacement sensors, described photoelectric displacement sensors are arranged on fixed support and movable support, respectively detect the stroke of movable support, bending core, pogo pin indenter; Described photoelectric displacement sensor, electromagnetic valve, display screen Connect with the single-chip microcomputer respectively.

The FPC flexible circuit board bending and electrical measuring integrated machine is further designed in that the upper part of the bending core and the pogo pin indenter is provided with a laterally extending limiting part, and the lower side of the limiting part is in contact with the lower side of the limiting part. The upper side of the core frame is offset; the longitudinal sides of the bent core and the pogo pin indenter are respectively offset with the positioning blocks arranged on the core frame.

The utility model maintains the bending state of the FPC flexible circuit board after the bending operation is completed, and then conducts electrical measurement operations on it, reduces the use of jigs and does not need to be clamped and positioned twice, reduces production costs and improves production efficiency and Measurement accuracy; by setting inverted T-shaped slots and connectors on the upper end of the bending core and pogo pin indenter, the lateral driving force generated by the operating drive cylinder due to assembly tolerances is eliminated, and the bending core and pogo pin are avoided. Excessive friction or jamming between the indenter and the through hole on the core frame improves the service life of the bending core, the pogo pin indenter and the core frame and ensures the bending accuracy.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the assembly structure of the fixed bracket and the movable bracket.

Fig. 3 is a schematic diagram of the structure of the fixing bracket.

Fig. 4 is a structural schematic diagram of the state where the bending core and the pogo pin indenter press the workpiece on the corresponding part of the fixed bracket.

Figure 5 is a schematic diagram of the structure of the bending core, the pogo pin indenter and the test core.

Figure 6 is a schematic diagram of the structure of the bending core and the pogo pin indenter.

Figure 7 is a schematic diagram of the pogo pin probe structure.

Fig. 8 is a schematic diagram of the state of the FPC flexible circuit board after bending and forming.

Fig. 9 is a schematic diagram of the electrical control of the utility model.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and embodiments of the description.

As shown in the figure, the FPC flexible circuit board bending and electrical measuring machine specifically includes a cabinet 1, a fixed bracket 2, and a sliding bracket 3. The cabinet 1 is composed of a horizontal cabinet 11 and a vertical cabinet 12. The fixed bracket 2 Set on the upper side of the horizontal cabinet 11, the upper side of the fixed bracket 2 is provided with a guide rail 21 and a workpiece groove 22 corresponding to the FPC flexible circuit board, and the end of the workpiece groove 22 is provided with the end of the FPC flexible circuit board. Corresponding to the test core 23 that includes the pogo pin probe 24 as shown in Figure 7, the middle part of the workpiece groove is provided with a pressure block 25 corresponding to the bending part of the FPC flexible circuit board.

As shown in Figure 2, the middle part of vertical cabinet body 12 is provided with the station cylinder 13 that is connected with sliding support, and sliding support slides on the guide rail under the drive of station cylinder 13; The top of sliding support 3 is cylinder frame 31, Its lower part is a core frame 32, and the middle part of the core frame has several through holes 33 arranged longitudinally, and the bent cores 34 and pogo pin pressure pins corresponding to the lower end of the pressure block and the pogo pin probe are inserted into the through holes. Head 35; cylinder frame 31 is longitudinally provided with three operation drive cylinders 36 corresponding to two bending cores 34 and pogo pin pressing heads 35 respectively, and the upper ends of bending cores and pogo pin pressing heads are provided with inverted T-shaped The connecting groove 37 has a built-in connecting piece 38 that can slide in the connecting groove, and the bending core and the pogo pin indenter are connected with the corresponding operation driving cylinder through the connecting piece. The connecting piece 38 is an inverted T shape corresponding to the connecting groove, the upper part of the connecting piece is a cylinder with external threads (the specific thread is not shown in the figure), and the output end of the working drive cylinder is provided with a nut threaded with the cylinder 39. In the figure, for the sake of clear illustration of each part, the operation driving cylinder and the station cylinder are respectively disconnected from the respective driven parts.

2 and 3, there are two guide rails 21, which are arranged parallel to each other on the two sides of the upper side of the fixed bracket, and the core frame 32 straddles the two guide rails.

As shown in FIG. 2 and FIG. 6 , the lower end surface of the bending core 34 and the upper end surface of the pressure receiving block are curved surfaces corresponding to each other. The upper part of the bending core 34 and the pogo pin indenter 35 is provided with a limiter 54 extending transversely, the lower side of the limiter is against the upper side of the core frame; the longitudinal direction of the bending core and the pogo pin indenter is The side faces respectively abut against the positioning blocks 30 arranged on the core frame.

As shown in Fig. 4 and Fig. 5, the workpiece groove 22 is L-shaped, and the two sides of the workpiece groove are provided with limit stops 221 corresponding to the sides of the workpiece, and one side of the middle part of the workpiece groove is provided with a pick-up gap 222.

As shown in Figure 9, the air circuits of the operation drive cylinder and the station cylinder are connected to the corresponding solenoid valves, and the cabinet is also equipped with a single-chip microcomputer, a display screen and a number of photoelectric displacement sensors, and the photoelectric displacement sensors are arranged on the fixed bracket and the movable bracket. , respectively detect the travel of the movable bracket, the bending core, and the pogo pin indenter; the photoelectric displacement sensor, the solenoid valve, and the display screen are respectively connected with the single-chip microcomputer. The photoelectric displacement sensor is used to detect the displacement information of the movable support, the bending core and the pogo pin pressure head to generate corresponding electrical signals and transmit them to the single-chip microcomputer, and the single-chip microcomputer issues instructions to control the solenoid valves that control the working state of the operation drive cylinder and the station cylinder, and turn them on. The specific implementation means of transmitting the information detected by the pogo pin probe to the single-chip microcomputer and outputting the detection result by the single-chip microcomputer as a display screen belongs to the scope of the existing technology, so it will not be repeated here.

The bending and electrical measurement method using the FPC flexible circuit board bending and electrical measurement integrated machine specifically includes the following steps:

1) Move the sliding bracket to expose the workpiece slot on the fixed bracket;

2) Place the FPC flexible circuit board to be bent and tested in the workpiece groove, and ensure that the end of the FPC flexible circuit board corresponding to the pogo pin indenter is opposite to the corresponding pogo pin probe, and the other end is over the The length of the pogo pin probe is the displacement length of the corresponding end of the FPC flexible circuit board during the bending process;

3) Relative to step 1), move the sliding bracket in the opposite direction so that the bending core and pogo pin indenter are opposite to the FPC flexible circuit board in the workpiece slot, and move from the right end to the left end of the FPC flexible circuit board as shown in the figure The direction of the pogo pin indenter and the two bending cores are driven downward in turn, and the right end of the FPC flexible circuit board is pressed on the corresponding pogo pin probe by the pogo pin indenter, and the bending cores sequentially press the FPC flexible circuit When the board is bent, the other end of the FPC flexible circuit board produces the displacement length described in step 2). At this time, the state diagram of each part is shown in Figure 5, so that the other end of the FPC flexible circuit board is connected The end is also in contact with the corresponding pogo pin probe;

4) On the premise that the bending core and the pogo pin indenter remain stationary, test the open, short circuit and functionality of the FPC flexible circuit board through the pogo pin probe and the test core;

5) After the test is completed, move the sliding bracket again to expose the workpiece groove, and then take out the FPC flexible circuit board that has been bent and electrically tested, and its state is shown in Figure 8.

The utility model maintains the bending state of the FPC flexible circuit board after the bending operation is completed, and then conducts electrical measurement operations on it, reduces the use of jigs and does not need to be clamped and positioned twice, reduces production costs and improves production efficiency and Measurement accuracy; by setting inverted T-shaped slots and connectors on the upper end of the bending core and pogo pin indenter, the lateral driving force generated by the operating drive cylinder due to assembly tolerances is eliminated, and the bending core and pogo pin are avoided. Excessive friction or jamming between the indenter and the through hole on the core frame improves the service life of the bending core, the pogo pin indenter and the core frame and ensures the bending accuracy.

Claims (8)

1. a FPC flexible PCB bending electrical measurement all-in-one, it is characterized in that comprising rack, fixed support, sliding support, described fixed support is arranged on rack, this support bracket fastened upper side is provided with guide rail and the workpiece slot corresponding with described FPC flexible PCB, the end of workpiece slot is provided with the test fuse that include pogo pin probe corresponding with the end of FPC flexible PCB, and the middle part of workpiece slot is provided with FPC flexible PCB and treats the compression block that bending part is corresponding; Described sliding support arranges with on fixed support along described slide, the top of this sliding support is cylinder frame, its underpart is fuse frame, the middle part of described fuse frame has some through holes longitudinally arranged, and is plugged with bending fuse, pogo pin pressure head that lower end and described compression block, pogo pin probe are corresponding in described through hole; Described cylinder frame is vertically arranged with some and described bending fuse and the corresponding operation of pogo pin pressure head drives cylinder, the upper end of bending fuse and pogo pin pressure head is provided with the link slot of inverted T-shaped, this link slot is built-in with the web member that can slide in link slot, and described bending fuse drives cylinder to be connected with pogo pin pressure head by described web member and corresponding operation.

2. FPC flexible PCB bending electrical measurement all-in-one according to claim 1, it is characterized in that, described rack is composed of a fixed connection by horizontal cabinet and vertical cabinet, described fixed support is arranged on the upper side of described horizontal cabinet, the middle part of described vertical cabinet is provided with the station cylinder be connected with described sliding support, described sliding support in the driving lower slider of described station cylinder on described guide rail.

3. FPC flexible PCB bending electrical measurement all-in-one according to claim 1, it is characterized in that, described guide rail has two, and both both sides edge being arranged at fixed support upper side parallel to each other, described fuse frame is located on described two guide rails.

4. FPC flexible PCB bending electrical measurement all-in-one according to claim 1, it is characterized in that, the lower surface of described bending fuse and the upper surface of compression block are mutually corresponding bending curved surface.

5. FPC flexible PCB bending electrical measurement all-in-one according to claim 1, it is characterized in that, described workpiece slot is L-shaped, and the both sides of this workpiece slot are provided with the positive stop corresponding with workpiece side, and the side, middle part of workpiece slot is provided with pickup breach.

6. FPC flexible PCB bending electrical measurement all-in-one according to claim 1, it is characterized in that, described web member is the upside down t-shape corresponding with described link slot, the top of described web member is for having externally threaded cylinder, and described operation drives the output terminal of cylinder to be provided with the nut be threaded with described cylinder.

7. FPC flexible PCB bending electrical measurement all-in-one according to claim 1, it is characterized in that, described operation drives the gas circuit of cylinder, station cylinder to connect with solenoid valve corresponding respectively, described rack is also provided with single-chip microcomputer, display screen and some photoelectric displacement sensors, described photoelectric displacement sensor is arranged on fixed support and travel(l)ing rest, detects respectively to the stroke of travel(l)ing rest, bending fuse, pogo pin pressure head; Described photoelectric displacement sensor, solenoid valve, display screen are connected with described single-chip microcomputer respectively.

8. FPC flexible PCB bending electrical measurement all-in-one according to claim 1, it is characterized in that, the top of described bending fuse, pogo pin pressure head is provided with the limiting section of horizontal expansion, and the downside of this limiting section and the upper side of described fuse frame offset; Longitudinal side of described bending fuse, pogo pin pressure head offsets with the locating piece be arranged on fuse frame respectively.