Dust removal device for pressing machine

Abstract

The utility model discloses a dust removal device for a pressing machine in the field of semiconductor COF packaging, including a machine guide rail arranged on the machine, a support platform arranged on the opposite side of two guide rails, a movable material strip placed on the support platforms of the two guide rails, a lifting pressing head arranged on the machine corresponding to the material strip, a support base corresponding to the pressing head arranged on the machine below the material strip, a mounting beam fixedly arranged on the machine corresponding to the pressing head, a mounting bracket fixedly connected to the mounting beam, a mounting block integrally arranged at the lower end of the mounting bracket, a mounting hole longitudinally opened on the mounting block, a blowing pipe with two ends extending outwardly arranged in the mounting hole, a plug arranged at one end of the blowing pipe, and the other end connected to a compressed air source, and a plurality of air outlets facing the pressing head arranged on the side of the blowing pipe. The utility model utilizes airflow to prevent dust from falling in the pressing area, and prevents the electrical performance of the IC chip on the material strip product from being affected.

Description

Technical Field

[0001] The utility model belongs to the field of semiconductor COF packaging, and particularly relates to a dust removal device for a pressing machine. Background Art

[0002] COF is a soft film assembly technology for fixing integrated circuits (ICs) on flexible circuit boards (material strips). In the existing technology, when COF is produced, several small grains (IC chips) are formed by cutting the wafer, and then multiple IC chips are pressed and fixed on the material strip substrate through a pressing (Bonding) machine. Finally, the material strip is wound into a disc and finally the tape product is delivered. The material strip on the bonding machine maintains a transmission state on the guide rail. After the pressing head of the pressing machine completes the high-temperature pressing of the IC chip with the material strip substrate, the material strip is transmitted backward to the discharge end. The disadvantage is that the pressing head moves quickly during work, which will bring up dust. The material strip product is under the pressing head, causing foreign particles to fall on the product. The space in the pressing area of ​​the machine is small and cannot be dustproof. Dust particles fall on the product, causing poor electrical properties. Utility Model Content

[0003] The utility model aims to provide a dust removal device for a pressing machine, which can prevent dust from falling in the pressing area by adding a dust removal device, avoid dust from falling in a small space, and prevent the electrical performance of the IC chip on the material strip product from being affected.

[0004] The purpose of the utility model is achieved as follows: a dust removal device for a pressing machine comprises a machine guide rail arranged on the machine platform, the machine guide rail comprises two mutually parallel transverse guide bars, a support platform is arranged on the opposite side of the two guide bars, the height of the support platform is less than the height of the guide bars, a movable material belt is placed on the support platforms of the two guide bars, a liftable pressing head is arranged on the machine platform corresponding to the material belt, a support base corresponding to the pressing head is arranged on the machine platform below the material belt, a mounting beam is fixedly arranged on the machine platform corresponding to the pressing head, the mounting beam is longitudinally arranged, a mounting bracket is fixedly connected to the mounting beam, a mounting block is integrally provided at the lower end of the mounting bracket, a mounting hole is longitudinally opened on the mounting block, an air blowing pipe with two ends extending outward is arranged in the mounting hole, a plug is arranged at one end of the air blowing pipe, and the other end is connected to a compressed air source, and a plurality of air outlets facing the pressing head are arranged on the side of the air blowing pipe.

[0005] When the utility model is working, the material belt moves backwards and is transmitted in the area between the two guide rails. The cover plate shields and protects the material belt to prevent dust from affecting the material belt. The cover plate is not installed under the pressing head, which is convenient for the pressing head to cooperate with the supporting base to complete the high-temperature pressing of the IC chip with the material belt substrate. The compressed air source supplies air to the blowing pipe, and the air outlet on the side of the blowing pipe blows air to the corresponding area of ​​the pressing head to prevent dust from falling in the pressing area. Compared with the prior art, the beneficial effect of the utility model is that it uses airflow to prevent dust from falling in the pressing area, avoids dust falling in a small space, prevents the electrical performance of the IC chip on the material belt product from being affected, and plays a role in protecting the IC chip.

[0006] As a further improvement of the utility model, the mounting bracket includes an L-shaped mounting portion, a waist-shaped groove is provided in the vertical section of the mounting portion, a fastener passes through the waist-shaped groove and is fixed to the mounting beam, a vertical lower extension portion is provided at the lower portion of the mounting portion, and a mounting block is arranged at the lower end of the lower extension portion. The waist-shaped groove facilitates left-right movement to adjust the mounting position of the mounting bracket.

[0007] As a further improvement of the utility model, the air blowing pipe is a stainless steel pipe, the length of the air blowing pipe is 158-162 mm, the outer diameter of the air blowing pipe is 3.9-4.1 mm, and the inner diameter of the air blowing pipe is 2.9-3.1 mm.

[0008] As a further improvement of the utility model, the number of the air outlet holes is 6-8, the aperture of the air outlet holes is 0.9-1.1 mm, and the distance between two adjacent air outlet holes is 11-13 mm, so as to ensure that the air flow is uniform and dust can be blown away.

[0009] As a further improvement of the utility model, the cross-sections of the guide rail and the support platform are both rectangular, a mounting bar is provided on the upper side of the guide rail, and a cover plate made of transparent plastic material is fixedly connected to the mounting bars of the two guide rails by screws, and the cover plate is staggered with the pressing head. The cover plate plays a shielding and protective role for the IC chip on the material strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a side view of the utility model.

[0011] Figure 2 A cross-sectional view of the guide rail and cover plate.

[0012] Figure 3 A cross-sectional view of the guide rail, support base and press-fit head.

[0013] Figure 4 This is a top view of the machine guide rail.

[0014] Figure 5 The figure shows a side view of the mounting bracket.

[0015] Figure 6It is a three-dimensional structural diagram of the installation bracket and the air blowing pipe.

[0016] Figure 7 A schematic diagram of the bottom structure of the mounting bracket.

[0017] Among them, 1 guide rail, 1a support platform, 2 material strip, 3 pressing head, 4 support base, 5 mounting beam, 6 mounting bracket, 6a mounting part, 6b lower extension part, 7 mounting block, 8 air blowing pipe, 9 air outlet, 10 waist groove, 11 mounting bar, 12 screws, 13 cover plate. DETAILED DESCRIPTION

[0018] like Figure 1-7 As shown, a dust removal device for a pressing machine is provided, comprising a machine guide rail arranged on the machine platform, the machine guide rail comprising two mutually parallel transverse guide rails 1, support platforms 1a are provided on opposite sides of the two guide rails 1, the height of the support platform 1a is less than the height of the guide rail 1, a movable material belt 2 is placed on the support platforms 1a of the two guide rails 1, a liftable pressing head 3 is provided on the machine platform corresponding to the material belt 2, a support base 4 corresponding to the pressing head 3 is provided on the machine platform below the material belt 2, a mounting beam 5 is fixedly provided on the machine platform corresponding to the pressing head 3, the mounting beam 5 is longitudinally arranged, a mounting bracket 6 is fixedly connected to the mounting beam 5, a mounting block 7 is integrally provided at the lower end of the mounting bracket 6, a mounting hole is longitudinally opened on the mounting block 7, an air blowing pipe 8 with two ends extending outward is provided in the mounting hole, one end of the air blowing pipe 8 is provided with a plug, and the other end is connected to a compressed air source, and a plurality of air outlet holes 9 facing the pressing head 3 are provided on the side of the air blowing pipe 8.

[0019] The mounting bracket 6 includes an L-shaped mounting portion 6a, a waist-shaped groove 10 is provided in the vertical section of the mounting portion 6a, a fastener passes through the waist-shaped groove 10 and is fixed to the mounting beam 5, a vertical lower extension portion 6b is provided at the lower portion of the mounting portion 6a, and a mounting block 7 is arranged at the lower end of the lower extension portion 6b. The waist-shaped groove 10 facilitates the installation position of the mounting bracket 6 to be adjusted by moving left and right.

[0020] The air blowing pipe 8 is a stainless steel pipe, the length of the air blowing pipe 8 is 158-162mm, the outer diameter of the air blowing pipe 8 is 3.9-4.1mm, and the inner diameter of the air blowing pipe 8 is 2.9-3.1mm. There are 6-8 air outlet holes 9, the aperture of the air outlet holes 9 is 0.9-1.1mm, and the distance between two adjacent air outlet holes 9 is 11-13mm. Ensure that the air flow is uniform and the dust can be blown away.

[0021] The cross-sections of the guide rail 1 and the support platform 1a are both rectangular, and a mounting bar 11 is provided on the upper side of the guide rail 1. A cover plate 13 made of transparent plastic material is fixedly connected to the mounting bars 11 of the two guide rails 1 by screws 12, and the cover plate 13 is staggered with the pressing head 3. The cover plate 13 plays a shielding and protective role for the IC chip on the material strip 2.

[0022] When the utility model is working, the material belt 2 moves backwards and is transmitted in the area between the two guide rails 1. The cover plate 13 shields and protects the material belt 2 to prevent dust from affecting the material belt 2. The cover plate 13 is not installed under the pressing head 3, so that the pressing head 3 cooperates with the supporting base 4 to complete the high-temperature pressing of the IC chip with the substrate of the material belt 2. The compressed air source supplies air to the blowing pipe 8, and the air outlet 9 on the side of the blowing pipe 8 blows air to the corresponding area of ​​the pressing head 3 to prevent dust from falling in the pressing area. The advantages of the utility model are: using airflow to prevent dust from falling in the pressing area, avoiding dust falling in a small space, preventing the electrical performance of the IC chip on the material belt 2 product from being affected, and protecting the IC chip.

[0023] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.

Claims

1. A dust removal device for a laminating machine, comprising a machine guide rail arranged on the machine, the machine guide rail comprising two mutually parallel transverse guide rails, a support platform is arranged on the opposite side of the two guide rails, the height of the support platform is less than the height of the guide rails, movable material belts are placed on the two guide rail support platforms, a liftable laminating head is arranged on the machine corresponding to the material belt, a support base corresponding to the laminating head is arranged on the machine below the material belt, and the characteristics are as follows: A mounting beam is fixedly provided on the machine corresponding to the pressing head, the mounting beam is longitudinally arranged, a mounting bracket is fixedly connected to the mounting beam, a mounting block is integrally provided at the lower end of the mounting bracket, a mounting hole is longitudinally opened on the mounting block, a blowing pipe with two ends extending outward is provided in the mounting hole, a plug is provided at one end of the blowing pipe, and the other end is connected to a compressed air source, and a plurality of air outlet holes facing the pressing head are provided on the side of the blowing pipe.

2. A dust removal device for a laminating machine according to claim 1, characterized in that: The mounting bracket includes an L-shaped mounting portion, a waist-shaped groove is opened in the vertical section of the mounting portion, a fastener passes through the waist-shaped groove and is fixed to the mounting beam, a vertical lower extension portion is provided at the lower portion of the mounting portion, and a mounting block is arranged at the lower end of the lower extension portion.

3. A dust removal device for a laminating machine according to claim 1 or 2, characterized in that: The air blowing pipe is a stainless steel pipe, the length of the air blowing pipe is 158-162 mm, the outer diameter of the air blowing pipe is 3.9-4.1 mm, and the inner diameter of the air blowing pipe is 2.9-3.1 mm.

4. A dust removal device for a laminating machine according to claim 1 or 2, characterized in that: The number of the air outlet holes is 6-8, the diameter of the air outlet holes is 0.9-1.1 mm, and the distance between two adjacent air outlet holes is 11-13 mm.

5. A dust removal device for a laminating machine according to claim 1 or 2, characterized in that: The cross-sections of the guide rails and the support platform are both rectangular, and a mounting bar is provided on the upper side of the guide rail. The mounting bars of the two guide rails are fixedly connected with a cover plate made of transparent plastic material by screws, and the cover plate is staggered with the pressing head.

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