CN212266059U

CN212266059U - COF punching die

Info

Publication number: CN212266059U
Application number: CN202020501467.5U
Authority: CN
Inventors: 张小宝
Original assignee: Zhuhai Hongdian Electronic Technology Co ltd
Current assignee: Zhuhai Hongdian Electronic Technology Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-01-01
Anticipated expiration: 2030-04-08

Abstract

The utility model provides a COF punching die. The COF trimming die includes: a base; the die slot die is fixedly arranged at the top of the base; the cavity is arranged on the die groove die; the lifting rod is slidably arranged in the cavity; the two ejector rods are fixedly arranged on the lifting rod, and the top ends of the ejector rods extend into the slotted holes of the die groove; the two inserting rods are fixedly arranged on the lifting rod, and the top ends of the inserting rods extend to the top of the die slot die; the four clamping grooves are respectively formed in the corresponding inserted rods; the four positioning rods are fixedly arranged at the top of the base; the top plate is fixedly arranged at the top ends of the four positioning rods; the double-shaft motor is fixedly installed at the top of the top plate. The utility model provides a COF punching die has convenient to use, can be automatic ejecting advantage in COF follow die cavity.

Description

COF punching die

Technical Field

The utility model relates to a motor product processing technology field especially relates to a COF die-cut mould.

Background

COF, commonly called chip on film, is a flexible packaging technology for mounting integrated circuits on flexible printed circuits (fpc), in which a flexible additional circuit board is used as a carrier for packaging chips to combine chips with flexible printed circuits (fpc), or a flexible additional circuit board without chips packaged on it is formed by die cutting.

However, in the prior art, COF is easy to stick in a die cavity after punching is completed, and therefore, a new COF punching die is needed to solve the technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a convenient to use, can be automatically with COF from the die-cut mould of ejecting COF in the die cavity.

For solving the technical problem, the utility model provides a COF punching die includes: a base; the die slot die is fixedly arranged at the top of the base; the cavity is arranged on the die groove die; the lifting rod is slidably arranged in the cavity; the two ejector rods are fixedly arranged on the lifting rod, and the top ends of the ejector rods extend into the slotted holes of the die groove; the two inserting rods are fixedly arranged on the lifting rod, and the top ends of the inserting rods extend to the top of the die slot die; the four clamping grooves are respectively formed in the corresponding inserted rods; the four positioning rods are fixedly arranged at the top of the base; the top plate is fixedly arranged at the top ends of the four positioning rods; the double-shaft motor is fixedly arranged at the top of the top plate; the two driving rods are respectively and fixedly arranged on two output shafts of the double-shaft motor; the two first conical gears are respectively and fixedly arranged at one ends of the corresponding driving rods; the two screws are rotatably arranged at the top of the base, and the top ends of the screws extend to the top of the top plate; the two second bevel gears are respectively and fixedly arranged at the top ends of the corresponding screw rods and are respectively meshed with the corresponding first bevel gears; the lifting plate is sleeved on the two screw rods in a threaded manner; the upper die is fixedly arranged on the lifting plate; the two slots are respectively formed at the bottom of the upper die; the four device grooves are respectively arranged on the inner walls of the two sides of the corresponding slot; the four fixture blocks are respectively installed in the corresponding device grooves in a sliding mode, and one sides of the fixture blocks extend into the insertion grooves; and the four springs are respectively and fixedly installed on the inner wall of one side of the corresponding device groove, and the other ends of the springs are fixedly connected with the clamping blocks.

Preferably, two first sliding holes are formed in the inner wall of the top of the cavity, and the two ejector rods are respectively in sliding connection with the corresponding first sliding holes.

Preferably, two second sliding holes are formed in the inner wall of the top of the cavity, and the two insertion rods are respectively in sliding connection with the corresponding second sliding holes.

Preferably, four third slide holes are formed in the lifting plate, and the four positioning rods are respectively in sliding connection with the corresponding third slide holes.

Preferably, two first rotating through holes are formed in the top plate, and the two screws are respectively and rotatably connected with the corresponding first rotating through holes.

Preferably, two supporting blocks are fixedly mounted on the top plate, second rotating through holes are formed in the two supporting blocks, and the two driving rods are rotatably connected with the corresponding second rotating through holes respectively.

Compared with the prior art, the utility model provides a COF punching die has following beneficial effect:

the utility model provides a COF punching die cooperatees through lifter, ejector pin, inserted bar, draw-in groove, slot, device groove, fixture block and spring for go up the mould when taking off from the die groove utensil, can be synchronous ejecting with COF from the die groove utensil, make COF take out more convenient.

Drawings

Fig. 1 is a schematic front sectional view of a COF punching die provided in the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic side view of the cross-sectional structure of the present invention.

Reference numbers in the figures: 1. the device comprises a base, 2, a die groove, 3, a cavity, 4, a lifting rod, 5, an ejector rod, 6, an inserting rod, 7, a clamping groove, 8, a positioning rod, 9, a top plate, 10, a double-shaft motor, 11, a driving rod, 12, a first bevel gear, 13, a screw rod, 14, a second bevel gear, 15, a lifting plate, 16, an upper die, 17, a slot, 18, a device slot, 19, a clamping block, 20 and a spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 to fig. 3, wherein fig. 1 is a schematic front sectional structural view of a COF punching mold according to the present invention; FIG. 2 is an enlarged schematic view of portion A of FIG. 1; fig. 3 is a schematic side view of the cross-sectional structure of the present invention. The COF punching die comprises: a base 1; the die slot die 2 is fixedly arranged on the top of the base 1; the cavity 3 is arranged on the die cavity 2; the lifting rod 4 is arranged in the cavity 3 in a sliding manner; the two ejector rods 5 are fixedly arranged on the lifting rod 4, and the top ends of the ejector rods 5 extend into the slotted holes of the die slot die 2; the two insert rods 6 are fixedly arranged on the lifting rod 4, and the top ends of the insert rods 6 extend to the top of the die slot die 2; the four clamping grooves 7 are respectively formed in the corresponding inserting rods 6; the four positioning rods 8 are fixedly arranged at the top of the base 1; the top plate 9 is fixedly arranged at the top ends of the four positioning rods 8; the double-shaft motor 10 is fixedly arranged on the top of the top plate 9; the two driving rods 11 are respectively and fixedly arranged on two output shafts of the double-shaft motor 10; two first bevel gears 12, wherein the two first bevel gears 12 are respectively and fixedly arranged at one end of the corresponding driving rod 11; the two screws 13 are rotatably mounted at the top of the base 1, and the top ends of the screws 13 extend to the top of the top plate 9; two second bevel gears 14, wherein the two second bevel gears 14 are respectively fixedly arranged at the top ends of the corresponding screws 13, and the two second bevel gears 14 are respectively meshed with the corresponding first bevel gears 12; the lifting plate 15 is sleeved on the two screws 13 in a threaded manner; the upper die 16 is fixedly arranged on the lifting plate 15; the two slots 17 are respectively arranged at the bottom of the upper die 16; four device grooves 18, the four device grooves 18 are respectively arranged on the inner walls of the two sides of the corresponding slot 17; the four fixture blocks 19 are respectively slidably mounted in the corresponding device grooves 18, and one side of each fixture block 19 extends into the corresponding slot 17; and the four springs 20 are respectively and fixedly arranged on the inner wall of one side of the corresponding device groove 18, and the other ends of the springs 20 are fixedly connected with the clamping blocks 19.

Two first slide holes are formed in the inner wall of the top of the cavity 3, and the two ejector rods 5 are respectively in sliding connection with the corresponding first slide holes.

Two second sliding holes are formed in the inner wall of the top of the cavity 3, and the two inserting rods 6 are respectively in sliding connection with the corresponding second sliding holes.

Four third sliding holes are formed in the lifting plate 15, and the four positioning rods 8 are respectively in sliding connection with the corresponding third sliding holes.

Two first rotating through holes are formed in the top plate 9, and the two screw rods 13 are respectively connected with the corresponding first rotating through holes in a rotating mode.

Two supporting blocks are fixedly mounted on the top plate 9, second rotating through holes are formed in the two supporting blocks, and the two driving rods 11 are rotatably connected with the corresponding second rotating through holes respectively.

The utility model provides a COF punching die's theory of operation as follows:

when the COF punching die is used, the double-shaft motor 10 is started, the double-shaft motor 10 drives the two driving rods 11 to rotate through the output shaft, the driving rods 11 drive the second bevel gear 14 to rotate through the first bevel gear 12, the second bevel gear 14 drives the screw rods 13 to rotate, the two screw rods 13 drive the lifting plate 15 to descend under the action of the threads, the lifting plate 15 drives the upper die 16 to descend, so that the COF punching work is completed, meanwhile, the two inserting rods 6 are respectively pushed into the corresponding inserting grooves 17, so that the clamping blocks 19 are clamped into the clamping grooves 7 to complete clamping; when the punching is required to be completed, the double-shaft motor 10 is reversely rotated, in principle, the screw 13 drives the upper die 16 to ascend through the lifting plate 15, the upper die 16 ascends while driving the insert rod 6 to ascend through the fixture block 19, the insert rod 6 drives the ejector rod 5 to ascend through the lifting rod 4, the ejector rod 5 ejects out a COF (chip on film) in the die groove 2 through ascending, when the insert rod 6 ascends to a limited height, the upper die 16 drives the inserting groove 17 to separate from the insert rod 6, the ejector rod 5 and the insert rod 6 slide into the die groove 2 again, and therefore automatic ejection work of the COF is completed.

the utility model provides a COF punching die cooperatees through lifter 4, ejector pin 5, inserted bar 6, draw-in groove 7, slot 17, device groove 18, fixture block 19 and spring 20 for go up mould 16 when breaking away from die cavity utensil 2, can be synchronous ejecting with COF from die cavity utensil 2, make COF take out more convenient.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A COF piercing die, comprising:

a base;

the die slot die is fixedly arranged at the top of the base;

the cavity is arranged on the die groove die;

the lifting rod is slidably arranged in the cavity;

the two ejector rods are fixedly arranged on the lifting rod, and the top ends of the ejector rods extend into the slotted holes of the die groove;

the two inserting rods are fixedly arranged on the lifting rod, and the top ends of the inserting rods extend to the top of the die slot die;

the four clamping grooves are respectively formed in the corresponding inserted rods;

the four positioning rods are fixedly arranged at the top of the base;

the top plate is fixedly arranged at the top ends of the four positioning rods;

the double-shaft motor is fixedly arranged at the top of the top plate;

the two driving rods are respectively and fixedly arranged on two output shafts of the double-shaft motor;

the two first conical gears are respectively and fixedly arranged at one ends of the corresponding driving rods;

the two screws are rotatably arranged at the top of the base, and the top ends of the screws extend to the top of the top plate;

the two second bevel gears are respectively and fixedly arranged at the top ends of the corresponding screw rods and are respectively meshed with the corresponding first bevel gears;

the lifting plate is sleeved on the two screw rods in a threaded manner;

the upper die is fixedly arranged on the lifting plate;

the two slots are respectively formed at the bottom of the upper die;

the four device grooves are respectively arranged on the inner walls of the two sides of the corresponding slot;

the four fixture blocks are respectively installed in the corresponding device grooves in a sliding mode, and one sides of the fixture blocks extend into the insertion grooves;

and the four springs are respectively and fixedly installed on the inner wall of one side of the corresponding device groove, and the other ends of the springs are fixedly connected with the clamping blocks.

2. The COF punching die according to claim 1, wherein two first sliding holes are formed in the top inner wall of the cavity, and the two ejector rods are respectively connected with the corresponding first sliding holes in a sliding manner.

3. The COF punching die according to claim 1, wherein two second sliding holes are formed in the top inner wall of the cavity, and two insertion rods are respectively connected with the corresponding second sliding holes in a sliding manner.

4. The COF punching die according to claim 1, wherein the lifting plate is provided with four third sliding holes, and four positioning rods are respectively connected with the corresponding third sliding holes in a sliding manner.

5. The COF punching die according to claim 1, wherein the top plate is provided with two first rotating through holes, and the two screws are respectively and rotatably connected with the corresponding first rotating through holes.

6. The COF punching die according to claim 1, wherein two supporting blocks are fixedly mounted on the top plate, second rotation through holes are formed in the two supporting blocks, and the two driving rods are respectively and rotatably connected with the corresponding second rotation through holes.