CN209970948U

CN209970948U - Die cutting device of flexible circuit board

Info

Publication number: CN209970948U
Application number: CN201920819313.8U
Authority: CN
Inventors: 兰跃飞
Original assignee: HUBEI YIHONG PRECISION MANUFACTURING Co Ltd
Current assignee: HUBEI YIHONG PRECISION MANUFACTURING Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-01-21
Anticipated expiration: 2029-05-31

Abstract

The utility model provides a cutting device of flexible circuit board mainly relates to flexible circuit board cross cutting equipment field. The utility model provides a cutting device of flexible circuit board, includes the cross cutting machine body, cross cutting machine top sets up the die-cutting knife tackle, numerical control system has on the cross cutting machine body, cross cutting machine body middle part sets up the cross cutting platform, the cross cutting platform includes the support frame, the support frame both sides set up the slide rail, set up the sliding stand on the slide rail, the support frame top sets up linear drive device, the sliding stand top sets up the spout, spout department slides and sets up step-by-step platform, the sliding stand bottom sets up step-by-step device, linear drive device, step-by-step device all are connected with the numerical control system electricity. The beneficial effects of the utility model reside in that: the utility model discloses with the change of the FPC mode for mechanical transmission marching type about the sucking disc formula in the cross cutting technology, it is higher to make cross cutting operation accuracy through accurate step-by-step, product quality is better.

Description

Die cutting device of flexible circuit board

Technical Field

The utility model relates to a flexible circuit board cross cutting equipment field specifically is a flexible circuit board's cutting device.

Background

The flexible printed circuit board is a flexible printed circuit board with high reliability, which is made of polyimide or polyester film as a base material. The processing process of the flexible circuit board mainly comprises the steps of material cutting → drilling → dry film pasting → alignment → exposure → development → etching → demoulding → surface treatment → covering film pasting → pressing → curing → surface treatment → nickel immersion → printing character → cutting → electric logging → die cutting → final inspection → packaging → shipment, and the like, and the automatic production of each step is developed more maturely at present. When automatic die cutting equipment is used in production, certain deviation exists in the mode of sucking disc type upper FPC and lower FPC, the sucking disc can enable the arrangement of the FPC to deviate after the sucking disc is used for a long time, and therefore errors are generated in die cutting.

SUMMERY OF THE UTILITY MODEL

For solving prior art's not enough, the utility model provides a cutting device of flexible circuit board, it is with the sucking disc formula about the cross cutting technology FPC mode change for mechanical transmission marching type, and it is higher to make cross cutting operation accuracy through accurate step-by-step, and product quality is better.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

a die cutting device of a flexible circuit board comprises a die cutting machine body, wherein a die cutting knife group is arranged at the top of the die cutting machine body, a numerical control system is arranged on the die cutting machine body, a die cutting platform is arranged in the middle of the die cutting machine body and is positioned below the die cutting knife group, the die cutting platform comprises a support frame, slide rails are arranged on two sides of the support frame, a slide rail is arranged on the slide rail, a slide table is arranged on the slide rail, a slide block corresponding to the slide rail is arranged at the bottom of the slide table, a linear driving device is arranged at the top of the support frame and is used for driving the slide table to linearly move along the slide rail, a slide groove is arranged at the top of the slide table, a stepping device is arranged at the position of the slide groove in a sliding manner, the stepping device is arranged at the bottom of the slide table and, and the linear driving device and the stepping device are electrically connected with the numerical control system.

The linear driving device is a side sliding rail air cylinder, an air cylinder rod of the side sliding rail air cylinder is fixed with a bottom surface bolt of the sliding table, an air source is connected to the side sliding rail air cylinder in series, and an electromagnetic valve is connected between the side sliding rail air cylinder and the air source in series.

The stepping device comprises a servo motor, a transmission lead screw, a threaded sleeve and a gear box, wherein a transmission lead screw bearing is installed on a sliding table below the sliding groove, the threaded sleeve is arranged at the bottom of the stepping table and is matched with the transmission lead screw, and the servo motor drives the transmission lead screw to rotate through the gear box.

The base plate is an aluminum plate, and the aluminum plate is matched with the groove.

One end of the groove is provided with an arc groove.

The substrate and the FPC are adhered through a tesa FPC adhesive tape.

Contrast prior art, the beneficial effects of the utility model are that:

the utility model discloses a numerical control system control stepping device drives step-by-step platform is step-by-step, and more accurate control die-cutting group utilizes sharp drive arrangement can break away from the cross cutting position with the FPC that the sliding stand drove the cross cutting and accomplishes FPC's last unloading through the manual work to FPC's cross cutting. Although manual operation is increased for the upper FPC and the lower FPC modes of the sucker, the die cutting precision is improved, and the die cutting quality of a product is better. And after the die cutting operation is finished, a sucker feeding and discharging device can be arranged on one side of the sliding table after the sliding table slides out, the FPC subjected to die cutting is replaced, the matching mode of the device is still under development, the matching precision cannot meet the requirement, and the method can be used as another patent application in subsequent production.

Drawings

FIG. 1 is a schematic diagram of the die cutting position structure of the present invention;

FIG. 2 is a schematic view of the upper and lower FPC positions of the present invention;

FIG. 3 is a schematic view of the top view structure of the die cutting platform of the present invention;

fig. 4 is a schematic diagram of a partially enlarged structure of the part a in fig. 2 of the present invention.

Reference numerals shown in the drawings: 1. a die cutting machine body; 2. die cutting platform; 3. a support frame; 4. a slide rail; 5. a sliding table; 6. a slider; 7. a linear drive device; 8. a chute; 9. a stepping table; 10. a stepping device; 11. a groove; 12. a substrate; 13. a servo motor; 14. a drive screw; 15. a threaded sleeve; 16. a gear box.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

As shown in fig. 1-4, a cutting device of flexible circuit board, including cross

cutting machine body

1, 1 top of cross cutting machine sets up the die-cutting knife tackle, the die-cutting knife tackle is different and change according to the FPC of customer's demand, the last numerical control system that has of cross cutting machine body 1, numerical control system is the supporting numerical control system of current numerical control cross cutting machine. The middle part of the die cutting machine body 1 is provided with a die cutting platform 2, the die cutting platform 2 is positioned below the die cutting knife group, and the die cutting platform is used as a bearing part of the FPC and is a participating part for FPC die cutting. The die cutting platform 2 comprises a support frame 3, slide rails 4 are arranged on two sides of the support frame 3, the two slide rails are arranged in parallel, a sliding table 5 is arranged on the slide rails 4, a sliding block 6 corresponding to the slide rails 4 is arranged at the bottom of the sliding table 5, and the sliding table can perform linear displacement along the slide rails through the matching of the sliding block and the slide rails. The top of the support frame 3 is provided with a linear driving device 7, and the linear driving device 7 is used for driving the sliding table 5 to move linearly along the sliding rail 4. The top of the sliding table 5 is provided with a sliding groove 8, the sliding groove 8 is provided with a stepping table 9 in a sliding manner, the bottom of the sliding table 5 is provided with a stepping device 10, the stepping device 10 is used for driving the stepping table 9 to step by step, and the sliding groove is a stepping limiting groove of the stepping table. The top of the stepping table 9 is provided with a groove 11, a substrate 12 pasted with FPC is placed in the groove 11, the linear driving device 7 and the stepping device 10 are both electrically connected with a numerical control system, and the operation of the linear driving device and the stepping device can be controlled through the numerical control system.

Specifically, the linear driving device 7 is a side sliding rail cylinder, a cylinder rod of the side sliding rail cylinder is fixed with a bottom surface bolt of the sliding table 5, an air source is connected in series on the side sliding rail cylinder, and an electromagnetic valve is connected in series between the side sliding rail cylinder and the air source. The side slide rail air field transmission is stable, and is fast and small in occupied space compared with a mechanical transmission mode.

Specifically, the stepping device 10 comprises a servo motor 13, a transmission screw 14, a threaded sleeve 15 and a gear box 16, the transmission screw 14 is mounted on the sliding table 5 below the sliding chute 8 in a bearing mode, the threaded sleeve 15 is arranged at the bottom of the stepping table 9, the threaded sleeve 15 is matched with the transmission screw 14, and the servo motor 13 drives the transmission screw 14 to rotate through the gear box 16. Through the mode of gear, lead screw transmission, make servo motor drive more accurately step platform's displacement makes FPC's cross cutting operation more accurate.

Specifically, base plate 12 is aluminum plate, aluminum plate and recess 11 cooperate, the filter plate just in time is settled in the recess, realizes spacing and the location to FPC.

Specifically, one end of the groove 11 is provided with an arc groove. The arc groove enables the substrate to be taken out to have an acting point, and the substrate is more convenient to take down.

Specifically, the substrate 12 and the FPC are adhered by a tesa FPC tape. The Tesa series FPC adhesive tape is high in viscosity after being heated, is not easy to adhere when being torn, and is perfectly suitable for adhering the FPC on the substrate.

Example 1:

the utility model provides a cutting device of flexible circuit board, includes cross

cutting machine body

1, 1 top of cross cutting machine sets up the cross cutting knife tackle, the numerical control system has on the cross cutting machine body 1, cross cutting machine body 1 middle part sets up cross cutting platform 2, only improves the cross cutting platform of cross cutting machine in this embodiment, and other parts do not adjust. The die cutting platform 2 is located below the die cutting knife group, the die cutting platform 2 comprises a support frame 3, and the support frame is welded on a main beam of a frame of the die cutting machine. Slide rail 4 is fixed to 3 top both sides screw of support frame, the slide rail side has the spacing groove, set up sliding stand 5 on the

slide rail

4, 5 bottoms of sliding stand set up with slide rail 4 corresponding slider 6, slider both sides limit has the stabilizer blade with spacing groove sliding connection. The top of the support frame 3 is provided with a linear driving device 7, and the linear driving device 7 is used for driving the sliding table 5 to move linearly along the sliding rail 4. The linear driving device can be driven by a motor to perform lead screw transmission, cylinder transmission or hydraulic cylinder transmission, in the embodiment, the linear driving device 7 is a side sliding rail cylinder, the bottom of the side sliding rail cylinder is fixed at the top of the support frame 3 through a bolt, a cylinder rod of the side sliding rail cylinder is fixed with a bottom surface of the sliding table 5 through a bolt, an air source is connected to the side sliding rail cylinder in series, an electromagnetic valve is connected between the side sliding rail cylinder and the air source in series, and opening and closing of the electromagnetic valve are controlled by a numerical control system. The top of the sliding table 5 is provided with a sliding chute 8, the sliding chute 8 is provided with a stepping table 9 in a sliding manner, the bottom of the sliding table 5 is provided with a stepping device 10, and the stepping device 10 is used for driving the stepping table 9 to step. In this embodiment, the stepping device 10 includes a servo motor 13, a driving screw 14, a threaded sleeve 15 and a gear box 16, the driving screw 14 is mounted on the bottom surface of the sliding table 5 below the sliding groove 8 in a bearing manner, the threaded sleeve 15 is arranged at the bottom of the stepping table 9, the threaded sleeve penetrates through the sliding groove and slides with the sliding groove, and the sliding groove limits the threaded sleeve. The screw sleeve 15 is matched with the transmission lead screw 14, the servo motor 13 drives the transmission lead screw 14 to rotate through the gear box 16, so that the screw sleeve is driven to step under the limiting of the sliding groove, and the servo motor is controlled by the numerical control system. The top of the stepping table 9 is provided with a groove 11, and a substrate 12 pasted with FPC is placed in the groove 11. The substrate 12 and the FPC are adhered through a tesa FPC adhesive tape. In this embodiment, the substrate 12 is an aluminum plate, and the aluminum plate is just clamped in the groove 11. In this embodiment, an arc groove is formed at one end of the groove 11.

When the die-cutting machine is used, a control program is introduced into the numerical control system, and the stamping pressure of the die-cutting machine is adjusted. The method comprises the steps of opening a die cutting machine switch, firstly, driving a sliding table to slide to a feeding and discharging position far away from a die cutting position by a side sliding rail air cylinder, placing a substrate pasted with an FPC in a groove through an automatic feeding and discharging device developed manually or in the future, then driving the sliding table to return to the die cutting position by the side sliding rail air cylinder, carrying out die cutting on the FPC under the driving of a die cutting machine hydraulic cylinder by a die cutting cutter, then controlling a servo motor to rotate forwards for a certain number of turns by a numerical control system, enabling the FPC to move for a distance of the die cutting position along with a stepping platform, carrying out continuous die cutting on the FPC through a die cutting set until the die cutting of a whole FPC board is completed, finally, controlling a side sliding air cylinder.

Example 2:

to embodiment 1, in this embodiment the 8 both sides of spout of 5 top surfaces of sliding stand all set up the slide rail, 9 bottoms of step-by-step platform set up the supporting part with slide rail sliding connection, the slide rail supports and leads the supporting part, makes die-cutting knife tackle pushes down when carrying out the cross cutting operation to FPC, and the step-by-step platform can not take place the skew.

Claims

1. The utility model provides a cutting device of flexible circuit board, includes cross cutting machine body (1), cross cutting machine body (1) top sets up the die cutter group, the numerical control system has on cross cutting machine body (1), characterized by: the die cutting machine is characterized in that a die cutting platform (2) is arranged in the middle of a die cutting machine body (1), the die cutting platform (2) is located below a die cutting knife group, the die cutting platform (2) comprises a support frame (3), slide rails (4) are arranged on two sides of the support frame (3), a sliding table (5) is arranged on the slide rails (4), a sliding block (6) corresponding to the slide rails (4) is arranged at the bottom of the sliding table (5), a linear driving device (7) is arranged at the top of the support frame (3), the linear driving device (7) is used for driving the sliding table (5) to linearly move along the slide rails (4), a sliding chute (8) is arranged at the top of the sliding table (5), a stepping table (9) is arranged at the sliding chute (8), a stepping device (10) is arranged at the bottom of the sliding table (5), the stepping table (9) is driven to step by the stepping device (10), a, a substrate (12) pasted with an FPC is placed in the groove (11), and the linear driving device (7) and the stepping device (10) are electrically connected with a numerical control system.

2. The die cutting device for flexible circuit board according to claim 1, wherein: the linear driving device (7) is a side sliding rail air cylinder, an air cylinder rod of the side sliding rail air cylinder is fixed with a bottom surface bolt of the sliding table (5), an air source is connected to the side sliding rail air cylinder in series, and an electromagnetic valve is connected between the side sliding rail air cylinder and the air source in series.

3. The die cutting device for flexible circuit board according to claim 1, wherein: step device (10) includes servo motor (13), drive screw (14), swivel nut (15) and gear box (16), drive screw (14) bearing installation is on sliding stand (5) of spout (8) below, swivel nut (15) are settled in step-by-step platform (9) bottom, swivel nut (15) suit with drive screw (14), servo motor (13) pass through gear box (16) drive screw (14) rotate.

4. The die cutting device for flexible circuit board according to claim 1, wherein: the base plate (12) is an aluminum plate, and the aluminum plate is adaptive to the groove (11).

5. The die cutting device for flexible circuit board according to claim 1, wherein: one end of the groove (11) is provided with an arc groove.

6. The die cutting device for flexible circuit board according to claim 1, wherein: the substrate (12) is adhered to the FPC through a tesa FPC adhesive tape.