CN108789619A - Flexible circuit board stamping die - Google Patents

Abstract

The invention discloses a flexible circuit board stamping die, which comprises a base, wherein a placing table is arranged at the upper part of the base, a flexible circuit board to be stamped is arranged at the upper part of the placing table, a lifting upright post is also arranged at the upper part of the base, a lifting sliding seat is arranged at the upper end of the lifting upright post, a heat source is fixed at the lower part of the lifting sliding seat, a plurality of stamping needles are arranged on the heat source, stamping heads are arranged right opposite to the placing table, and the stamping needles punch holes on the flexible circuit board through heat energy transfer to enable the flexible circuit board to be provided with; and four corners of the upper part of the base are respectively provided with a limiting mechanism. The limiting mechanism is arranged, the limiting mechanism can effectively prevent the flexible circuit board from being scalded or thermally deformed by a heat source due to the fact that the lifting sliding table slides down in a transition mode, and due to the arrangement of the heat source and the punching needles, punching can be carried out more effectively, and working efficiency is improved.

Description

Stamping die for flexible circuit board

Technical field:

The invention relates to the technical field of mold equipment, in particular to a stamping mold for a flexible circuit board.

Background technique:

Flexible circuit boards are printed circuits made of flexible insulating substrates. They have many advantages that rigid printed circuit boards do not have. Arbitrary movement and expansion, so as to achieve the integration of component assembly and wire connection. The use of FPC can greatly reduce the volume of electronic products, which is suitable for the development of electronic products in the direction of high density, miniaturization and high reliability. During the manufacturing process of the flexible circuit board, it will be stamped to form holes, which requires the use of stamping dies. The existing stamping dies have complex structures and are difficult to meet the needs of high-speed production.

Invention content:

The object of the present invention is to provide a stamping die for a flexible circuit board to address the deficiencies of the prior art.

Technical solutions of the present invention are as follows:

A flexible circuit board stamping die, which includes a base, the upper part of the base is provided with a placement table, the upper part of the placement table is provided with a flexible circuit board to be punched, the upper part of the base is also provided with a lifting column, and the upper end of the lifting column is provided with There is a lifting slide seat, and a heat source is fixed on the lower part of the lifting slide seat. There are multiple punching needles on the heat source. The punching head is set directly opposite to the placement table. The punching needles punch holes on the flexible circuit board through heat energy transfer, so that the flexible circuit board Punching holes are formed; a limit mechanism is provided on the four corners of the upper part of the base, and the limit mechanism includes an external sleeve. The lower part of the external sleeve is provided with a mounting hole, and the external sleeve is fixedly connected to the base through the mounting hole; the external The middle part of the sleeve is a hollow structure, and the upper part has an opening. The interior of the hollow structure is provided with a plurality of stacked elastic airbags. The elastic airbag at the top is fixedly connected with the buffer seat, and a plurality of sliders are arranged on the outer circumference of the buffer seat. , the slider is engaged in the chute on the inner wall of the outer sleeve; the upper part of the buffer seat is provided with an inner sleeve, the inner sleeve passes through the upper opening of the outer sleeve, and the outer wall of the inner sleeve and the inner wall of the outer sleeve There is a wear-resistant guide sleeve between them; the upper part of the buffer seat is provided with a boss, the boss is a ring structure, the middle part of the buffer seat is formed with a mounting groove, the lower part of the inner sleeve is provided with a through groove, and the lower part of the coil spring passes through the through groove And inserted in the installation groove, the upper part of the coil spring is fixedly connected with the T-shaped connector. The upper end of the T-shaped connector is fixedly installed with a sliding piece. Fixed connection; the lower end of the sliding member is a tapered structure, and a guide is installed inside the inner sleeve, and the sliding of the tapered structure is guided by the guide.

The elastic airbags have protrusions and depressions, and the protrusions and depressions of adjacent elastic airbags are fitted and plugged together.

The placement table is provided with a placement plate fixedly connected thereto. The interior of the placement table is provided with a suction pipeline and a blowing pipeline. The air blow holes on the board are connected.

The blowing pipeline communicates with the air intake pipe provided on the base, the air suction pipeline communicates with the air outlet pipe provided on the base, and the lower part of the base is provided with a hollowed-out area communicated with the maintenance area at the lower part of the placement table.

The lifting column is a lifting cylinder. The bottom of the lifting cylinder is fixed on the base. The piston rod of the lifting cylinder is detachably connected with the lifting slide.

There are multiple punching pins, and the multiple punching pins are evenly distributed on the lower part of the heat source, and the punching pins are telescopic insertion pins, which can be selectively extended or retracted when punching holes.

The heat source includes a shell, and a heating plate is arranged inside the shell, and the stamping needle is connected with the heating plate.

The beneficial effect of the present invention is that: the present invention is provided with a limit mechanism, which can effectively avoid the over-sliding of the lifting slide table and cause the heat source to scald the flexible circuit board or cause thermal deformation. Due to the setting of the heat source and the punching needle, It can punch holes more effectively and improve work efficiency.

Description of drawings:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a sectional view of the present invention;

Fig. 3 is a structural schematic diagram of the limit mechanism.

Detailed ways:

In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1-3, a stamping die for a flexible circuit board includes a base 7, a placement platform 9 is arranged on the upper part of the base 7, and a flexible circuit board 28 to be punched is arranged on the upper part of the placement platform 9, and the base The top of 7 is also provided with lifting column 6, and the upper end of lifting column 6 is provided with lifting slide 34, and the bottom of lifting slide 34 is fixed with heat source 35, and heat source 35 is provided with a plurality of stamping pins 36, and stamping head 35 faces The platform 9 is set, and the stamping needle 36 punches the flexible circuit board 28 through heat energy transfer, so that a punching hole 25 is formed on the flexible circuit board 28; a limit mechanism 4 is respectively arranged on the four corners of the upper part of the base 7, and the position limit The mechanism 4 includes an outer sleeve 40, the lower part of which is provided with a mounting hole 400, and the outer sleeve 40 is fixedly connected with the base 7 through the mounting hole 400; the middle part of the outer sleeve 40 is a hollow structure, and the upper part has an opening, hollow The interior of the structure is provided with a plurality of stacked elastic airbags 41, the elastic airbag 41 at the top is fixedly connected with the buffer seat 42, and a plurality of sliders 43 are arranged on the outer circumference of the buffer seat 42, and the sliders 43 are engaged with the outside In the chute on the inner wall of the sleeve 40; the upper part of the buffer seat 42 is provided with an inner sleeve 44, the inner sleeve passes through the upper opening of the outer sleeve 40, and between the outer wall of the inner sleeve 44 and the inner wall of the outer sleeve 40 A wear-resistant guide sleeve 45 is provided; the upper part of the buffer seat 42 is provided with a boss 421, and the boss 421 is an annular structure, the middle part of the buffer seat 42 is formed with a mounting groove, the lower part of the inner sleeve 44 is provided with a through groove, and the coil spring 49 The lower part of the spring passes through the through groove and is inserted in the installation groove. The upper part of the coil spring 49 is fixedly connected with the T-shaped connector 48. The upper end of the T-shaped connector 48 is fixedly equipped with a sliding part 46, and the upper end of the sliding part 46 is provided with a limit Plate 462, the limit plate 462 is fixedly connected with the sliding member 462 through the adjusting screw 461; the lower end of the sliding member 46 is a tapered structure, and a guide 47 is installed inside the inner sleeve 44, and the sliding of the tapered structure is guided by the guide 47 .

The elastic airbags 41 have protrusions and depressions, and the protrusions and depressions of adjacent elastic airbags 41 are fitted and inserted with each other.

The placement platform 9 is provided with a placement plate 22 fixedly connected thereto, and the interior of the placement platform 9 is provided with an air suction pipeline 16 and an air blowing pipeline 17, and the air suction pipeline 16 and the air suction hole on the placement plate 22 24 communicates, and the blowing pipeline 17 communicates with the blowing hole 26 on the placement plate 22 .

The blowing pipeline 17 communicates with the air intake pipe 15 provided on the base 7, the air suction pipeline 16 communicates with the air outlet pipe 14 provided on the base 7, and the lower part of the base 7 is provided with a maintenance area 19 communicated with the lower part of the placement platform 9. The hollowed out area 18 .

Lifting column 6 is lifting cylinder, and the bottom of lifting cylinder is fixed on the base 7, and the piston rod of lifting cylinder is detachably connected with lifting slide seat 34, and lifting cylinder is also connected with gas station, and gas station carries out gas supply and deflation operation.

There are multiple punching pins 36, and the multiple punching pins 36 are evenly distributed on the lower part of the heat source 35, and the punching pins 36 are retractable pins, which can be selectively extended or retracted during punching.

The heat source 35 includes a shell, and a heating plate is arranged inside the shell, and the punching needle 36 is connected with the heating plate.

The examples are used to illustrate the present invention, but not to limit the present invention. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be listed in the claims of the present invention.

Claims (7)

1. a kind of flexible PCB diel, it is characterised in that：It includes pedestal (7), and the top of pedestal (7) is provided with storing Platform (9), placement platform (9) top are provided with flexible PCB to be punched (28), and the top of pedestal (7) is additionally provided with lifting column (6), the upper end of lifting column (6) is provided with lift slide (34), and the lower part of lift slide (34) is fixed with heat source (35), heat source (35) multiple punching needles (36), staking punch (35) face placement platform (9) setting are provided on, punching needle (36) is transmitted by thermal energy Flexible PCB (28) is punched out, makes to be formed with punching (25) on flexible PCB (28)；On the top quadrangle of pedestal (7) It is each provided with a position-limit mechanism (4), position-limit mechanism (4) includes outer sleeve (40), and the lower part of outer sleeve (40) is provided with Mounting hole (400), outer sleeve (40) are fixedly connected by mounting hole (400) with pedestal (7)；The middle part of outer sleeve (40) is There is opening, hollow-core construction to be internally provided with multiple elastic balloons (41) being stacked for hollow-core construction, top, be located at most upper The elastic balloon (41) in portion is fixedly connected with buffing pad (42), and multiple sliding blocks (43) are provided on the excircle of buffing pad (42), Sliding block (43) is fastened in the sliding slot on outer sleeve (40) inner wall；The top of buffing pad (42) is provided with inner sleeve (44), Inner sleeve passes through the upper opening of outer sleeve (40), between the outer wall and the inner wall of outer sleeve (40) of inner sleeve (44) It is provided with wear-resisting guide sleeve (45)；The top of buffing pad (42) is provided with boss (421), and boss (421) is loop configuration, buffing pad (42) mounting groove is formed in the middle part of, the lower part of inner sleeve (44) is provided with straight slot, and the lower part of helical spring (49), which passes through, to be led to Slot is simultaneously plugged in mounting groove, and the top of helical spring (49) is fixedly connected with T-type connector (48), T-type connector (48) Upper end is installed with lower saddle (46), and the upper end of lower saddle (46) is provided with limiting plate (462), and limiting plate (462) passes through tune Section screw (461) is fixedly connected with lower saddle (462)；The lower end of lower saddle (46) be pyramidal structure, inner sleeve (44) it is interior Portion is equipped with guiding piece (47), and the sliding of pyramidal structure is guided by guiding piece (47).

2. a kind of flexible PCB diel according to claim 1, it is characterised in that：Elastic balloon (41) has convex Play portion and recessed portion, the mutually chimeric grafting of lug boss and recessed portion of adjacent spring air bag (41).

3. a kind of flexible PCB diel according to claim 1, it is characterised in that：Placement platform is provided on (9) The placement plate (22) of connection fixed thereto, placement platform (9) are internally provided with suction line (16) and blowing pipe (17), air intake duct Road (16) is connected to the suction hole (24) in placement plate (22), and blowing pipe (17) connects with the gas hole (26) in placement plate (22) It is logical.

4. a kind of flexible PCB diel according to claim 3, it is characterised in that：Blowing pipe (17) and pedestal (7) air inlet pipe (15) connection being arranged on, suction line (16) are connected to the escape pipe (14) being arranged on pedestal (7), pedestal (7) Lower part is provided with the vacancy section (18) being connected to the service area (19) of placement platform (9) lower part.

5. a kind of flexible PCB diel according to claim 1, it is characterised in that：Lifting column (6) is lifting The bottom of cylinder, lifting cylinder is fixed on pedestal (7), and piston rod and the lift slide (34) of lifting cylinder are detachably connected, Lifting cylinder is also connect with gas station, and gas station carries out supplying and losing heart operation.

6. a kind of flexible PCB diel according to claim 1, it is characterised in that：Punching needle (36) is provided with more A, multiple punching needles (36) are evenly distributed on the lower part of heat source (35), and punching needle (36) is telescopic contact pin, when punching, energy It is enough to carry out selective stretching or retraction.

7. a kind of flexible PCB diel according to claim 1, it is characterised in that：Heat source (35) includes shell, Enclosure is provided with heating plate, and punching needle (36) is connect with heating plate.