CN212892892U

CN212892892U - Chip on film attaching device

Info

Publication number: CN212892892U
Application number: CN202020535174.9U
Authority: CN
Inventors: 张小宝
Original assignee: Zhuhai Hongdian Electronic Technology Co ltd
Current assignee: Zhuhai Hongdian Electronic Technology Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2021-04-06
Anticipated expiration: 2030-04-13

Abstract

The utility model provides a flip chip film attaching device. The chip on film attaching device includes: a frame body; the threaded sleeve is rotatably arranged on the frame body; the motor is fixedly installed at the top of the frame body, and an output shaft of the motor is fixedly connected with the threaded sleeve. The chip on film attaching device provided by the utility model can enable the chip on film to be tightly absorbed on the bottom plate and more comprehensively unfolded by arranging the bottom plate air inlet holes, the plurality of air inlet holes and the second pipeline and matching with the air pump, thereby being beneficial to the attaching work of the chip on film; the two second elastic mechanisms are arranged, so that the substrate and the chip on film can be in flexible contact, and the rigid contact between the substrate and the chip on film is avoided, so that the substrate and the chip on film are protected to a certain extent; the first elastic mechanism is arranged, so that the pressure between the substrate and the chip on film can be gradually increased, and the substrate and the chip on film can be bonded more completely.

Description

Chip on film attaching device

Technical Field

The utility model relates to a show technical field, especially relate to an attached device of chip on film.

Background

The COF is often called a chip on film, the technology of fixing a drive IC on a flexible circuit board and packaging a grain flexible film is a technology of using a flexible additional circuit board as a packaging chip carrier to joint a chip and a flexible substrate circuit, and when the chip on film is attached on a substrate, the situation of complete attachment easily occurs due to the thinness of the chip on film, and wrinkles occur during attachment, so the product quality is directly influenced.

Therefore, it is desirable to provide a device for attaching a chip on film that solves the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an attached device of chip on film.

In order to solve the above technical problem, the utility model provides an attached device of cover brilliant film, include: a frame body; the threaded sleeve is rotatably arranged on the frame body; the motor is fixedly arranged at the top of the frame body, and an output shaft of the motor is fixedly connected with the threaded sleeve; the screw rod is installed in the threaded sleeve in a threaded mode; the first elastic mechanism comprises a first mounting box, the first mounting box is fixedly mounted at the bottom end of the screw rod, a first spring is fixedly mounted on the inner wall of the top of the first mounting box, a first sliding block is fixedly mounted at the bottom end of the first spring, the first sliding block is slidably connected with the inner wall of the first mounting box, a first sliding rod is fixedly mounted at the bottom end of the first sliding block, and the bottom end of the first sliding rod extends to the lower side of the first mounting box and is slidably connected with the first mounting box; the lifting plate is arranged below the frame body, and the bottom end of the first sliding rod is fixedly connected with the top of the lifting plate; the suckers are all arranged on the lifting plate; the bottom plate is arranged below the lifting plate.

Preferably, a plurality of first pipelines are installed on the lifting plate, and the first pipelines are communicated with the plurality of suckers.

Preferably, a cavity is formed in the bottom plate, a plurality of air inlets are formed in the top of the cavity, a second pipeline is fixedly mounted on the bottom plate, and the second pipeline is communicated with the cavity.

Preferably, the bottom plate is provided with two grooves.

Preferably, be equipped with two second elastic mechanism on the lifter plate, second elastic mechanism includes the second slide bar, the top of second slide bar all with lifter plate fixed connection, the below of lifter plate is equipped with the second mounting box, the bottom of second slide bar extends to in the second mounting box and with second mounting box sliding connection, second mounting box sliding mounting has the second slider, the bottom of second slide bar with the top fixed connection of second slider, be equipped with the second spring in the second mounting box, the top and the bottom of second spring respectively with the bottom inner wall of second slider and second mounting box contacts, the second mounting box with recess looks adaptation.

Preferably, the equal fixed mounting in both sides of first mounting box has the fixed plate, two equal slidable mounting has the dead lever on the fixed plate, two the top of dead lever all with support body fixed connection, two the equal fixed mounting in bottom of dead lever has the stopper.

Compared with the prior art, the utility model provides an attached device of cover brilliant film has following beneficial effect:

the utility model provides a chip on film attaching device, which can tightly adsorb the chip on the bottom plate and more comprehensively expand the chip on film by arranging the bottom plate air inlet holes, a plurality of air inlet holes and a second pipeline and matching with an air pump, thereby being beneficial to the attaching work of the chip on film; the two second elastic mechanisms are arranged, so that the substrate and the chip on film can be in flexible contact, and the rigid contact between the substrate and the chip on film is avoided, so that the substrate and the chip on film are protected to a certain extent; the first elastic mechanism is arranged, so that the pressure between the substrate and the chip on film can be gradually increased, and the substrate and the chip on film can be bonded more completely.

Drawings

Fig. 1 is a schematic structural view of a chip on film attaching apparatus according to the present invention;

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

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is an enlarged view of a portion C in fig. 1.

Reference numbers in the figures: 1. the support body, 2, threaded sleeve, 3, the motor, 4, the lead screw, 5, first mounting box, 6, first spring, 8, first slider, 9, first slide bar, 10, the lifter plate, 11, first pipeline, 12, the sucking disc, 13, the bottom plate, 14, the bottom plate, 15, the inlet port, 16, the second pipeline, 17, the recess, 18, the second slide bar, 19, the second mounting box, 20, the second slider, 21, the second spring, 22, the fixed plate, 23, the dead lever, 24, the stopper.

Detailed Description

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

Referring to fig. 1-4, in an embodiment of the present invention, a chip on film attaching apparatus includes: a frame body 1; the threaded sleeve 2 is rotatably arranged on the frame body 1; the motor 3 is fixedly arranged at the top of the frame body 1, and an output shaft of the motor 3 is fixedly connected with the threaded sleeve 2; the screw rod 4 is installed in the threaded sleeve 2 in a threaded mode; the first elastic mechanism comprises a first mounting box 5, the first mounting box 5 is fixedly mounted at the bottom end of the lead screw 4, a first spring 6 is fixedly mounted on the inner wall of the top of the first mounting box 5, a first sliding block 8 is fixedly mounted at the bottom end of the first spring 6, the first sliding block 8 is slidably connected with the inner wall of the first mounting box 5, a first sliding rod 9 is fixedly mounted at the bottom end of the first sliding block 8, and the bottom end of the first sliding rod 9 extends to the lower side of the first mounting box 5 and is slidably connected with the first mounting box 5; the lifting plate 10 is arranged below the frame body 1, and the bottom end of the first sliding rod 9 is fixedly connected with the top of the lifting plate 10; the plurality of suckers 12 are arranged on the lifting plate 10; and the bottom plate 13 is arranged below the lifting plate 10, and the bottom plate 13 is arranged below the lifting plate 10.

A plurality of first pipelines 11 are installed on the lifting plate 10, and the first pipelines 11 are communicated with the plurality of suckers 12.

The bottom plate 13 is provided with a cavity 14, the top of the cavity 14 is provided with a plurality of air inlets 15, the bottom plate 13 is fixedly provided with a second pipeline 16, and the second pipeline 16 is communicated with the cavity 14.

Two grooves 17 are formed in the bottom plate 13.

Be equipped with two second elastic mechanism on the lifter plate 10, second elastic mechanism includes second slide bar 18, the top of second slide bar 18 all with lifter plate 10 fixed connection, the below of lifter plate 10 is equipped with second mounting box 19, the bottom of second slide bar 18 extend to in the second mounting box 19 and with 19 sliding connection of second mounting box, 19 sliding mounting of second mounting box has second slider 20, the bottom of second slide bar 18 with the top fixed connection of second slider 20, be equipped with second spring 21 in the second mounting box 19, the top and the bottom of second spring 21 respectively with the bottom inner wall of second slider 20 and second mounting box 19 contacts, second mounting box 19 with recess 17 looks adaptation.

The equal fixed mounting in both sides of first mounting box 5 has fixed plate 22, two equal slidable mounting has dead lever 23 on the fixed plate 22, two the top of dead lever 23 all with 1 fixed connection of support body, two the equal fixed mounting in bottom of dead lever 23 has stopper 24.

The utility model provides an attached device of cover brilliant film's theory of operation as follows:

firstly, connecting the first pipeline 11 and the second pipeline 16 with an air pump, then placing the chip on film with one surface coated with glue on the bottom plate 13 to make the coated surface upward, at the same time, vacuumizing the cavity 14, making the air between the chip on film and the bottom plate 13 enter the cavity 14, reducing the air pressure between the chip on film and the bottom plate 13 until the chip on film is completely absorbed on the bottom plate 13, so that the chip on film can be flatly spread on the bottom plate 13, absorbing the substrate on a plurality of suckers 12, starting up, rotating the threaded sleeve 2 by the motor 3, rotating the threaded sleeve 2 to make the lead screw 4 move downwards, making the lead screw 4 move downwards, and making the substrate move downwards by driving the lifting plate 10 through the first elastic mechanism, until the substrate contacts and is bonded with the chip on film, and in the process of the lifting plate 10, the lifting plate 10 drives the two second elastic mechanisms to descend, when the lifting plate 10 descends to a certain distance, the second mounting box 19 enters the groove 17, when the second mounting box 19 contacts with the bottom of the groove 17, the second mounting box 19 can not move downwards any more, at this time, as the lifting plate 10 continues to move downwards, the second slide rod 18 moves downwards, the second slide block 20 compresses the second spring 21, the two second elastic mechanisms enable the substrate to flexibly contact with the chip on film, and the substrate and the chip on film are prevented from rigidly contacting, so that a certain protection effect is provided for both the substrate and the chip on film, when the substrate contacts with the chip on film, the lead screw 4 continues to move downwards, and the lifting plate 10 stops moving downwards, at this time, the lead screw 4 enables the first mounting box 5 to move downwards, the first mounting box 5 moves downwards to compress the first spring 6 until the first mounting box 5 descends to a specified position, stopping the motor 3, the first elastic mechanism can gradually increase the pressure between the substrate and the chip on film, so that the substrate and the chip on film are bonded more completely, simultaneously supplying air into the suction cup 12 and the cavity 14 through the first pipeline 11 and the second pipeline 16 respectively, so that the suction cup 12 loses the adsorption effect on the substrate, the bottom plate 13 loses the adsorption effect on the chip on film, and then reversely starting the motor 3, so that each part returns to the initial position, and at the moment, the substrate can be taken out.

the device can enable the chip on film to be tightly adsorbed on the bottom plate and more comprehensively unfolded by arranging the air inlet holes of the bottom plate, the plurality of air inlet holes and the second pipeline and matching with the air pump, thereby being beneficial to the attaching work of the chip on film; the two second elastic mechanisms are arranged, so that the substrate and the chip on film can be in flexible contact, and the rigid contact between the substrate and the chip on film is avoided, so that the substrate and the chip on film are protected to a certain extent; the first elastic mechanism is arranged, so that the pressure between the substrate and the chip on film can be gradually increased, and the substrate and the chip on film can be bonded more completely.

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 Chip On Film (COF) attaching device is characterized by comprising:

a frame body;

the threaded sleeve is rotatably arranged on the frame body;

the motor is fixedly arranged at the top of the frame body, and an output shaft of the motor is fixedly connected with the threaded sleeve;

the screw rod is installed in the threaded sleeve in a threaded mode;

the first elastic mechanism comprises a first mounting box, the first mounting box is fixedly mounted at the bottom end of the screw rod, a first spring is fixedly mounted on the inner wall of the top of the first mounting box, a first sliding block is fixedly mounted at the bottom end of the first spring, the first sliding block is slidably connected with the inner wall of the first mounting box, a first sliding rod is fixedly mounted at the bottom end of the first sliding block, and the bottom end of the first sliding rod extends to the lower side of the first mounting box and is slidably connected with the first mounting box;

the lifting plate is arranged below the frame body, and the bottom end of the first sliding rod is fixedly connected with the top of the lifting plate;

the suckers are all arranged on the lifting plate;

the bottom plate is arranged below the lifting plate.

2. The device for attaching chip on film as claimed in claim 1, wherein a plurality of first pipes are installed on the elevating plate, and the first pipes are connected to the plurality of suction cups.

3. The device for attaching a chip on film as claimed in claim 1, wherein the bottom plate has a cavity, the top of the cavity has a plurality of air inlets, the bottom plate has a second pipeline fixedly mounted thereon, and the second pipeline is communicated with the cavity.

4. The device of claim 1, wherein the base plate has two grooves.

5. The device for attaching a chip on film according to claim 4, wherein two second elastic mechanisms are disposed on the lifting plate, the second elastic mechanisms include second slide bars, top ends of the second slide bars are fixedly connected to the lifting plate, a second mounting box is disposed below the lifting plate, bottom ends of the second slide bars extend into the second mounting box and are slidably connected to the second mounting box, a second slider is slidably mounted on the second mounting box, bottom ends of the second slide bars are fixedly connected to top portions of the second slider, a second spring is disposed in the second mounting box, top ends and bottom ends of the second spring are respectively in contact with inner walls of bottom portions of the second slider and the second mounting box, and the second mounting box is adapted to the groove.

6. The device for attaching a chip on film as claimed in claim 1, wherein fixing plates are fixedly mounted on both sides of the first mounting box, fixing rods are slidably mounted on both the fixing plates, top ends of both the fixing rods are fixedly connected to the frame body, and stoppers are fixedly mounted on bottom ends of both the fixing rods.