CN211838814U

CN211838814U - IC packaging dispensing assembly height auxiliary adjusting device

Info

Publication number: CN211838814U
Application number: CN202020191433.0U
Authority: CN
Inventors: 韦进; 杨爱平; 洪雪美; 聂存香; 吴展超; 乔春娟; 李玉婷
Original assignee: Jiangsu Union Semiconductor Co Ltd
Current assignee: Jiangsu Union Semiconductor Co Ltd
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-11-03
Anticipated expiration: 2030-02-21

Abstract

The utility model discloses an auxiliary height adjusting device for an IC packaging dispensing assembly in the field of semiconductor production and manufacturing, which comprises a conveying belt on which a plurality of IC chips are arranged in sequence, a row of dispensing tubes are correspondingly arranged above the material belt, the lower end of each dispensing tube is connected with a vertical dispensing needle, the interior of each dispensing needle is communicated with the interior of each dispensing tube, each dispensing tube is fixedly arranged on each dispensing positioning component, a dispensing distance is reserved between each dispensing needle and the material belt, with the glue is glued the interval and is provided with supplementary adjustment mechanism correspondingly, but supplementary adjustment mechanism includes relative movement's preceding pole and back pole, and the front end fixedly connected with of preceding pole is the thickness rule of extension forward, and the thickness rule is lamellar, and the thickness of thickness rule is 135~140um, and the thickness rule adopts the PEI material to make, and the rear end of back pole is connected with the swinging arms of rotatable regulation. The utility model discloses can improve the precision of rubber coating distance, it is unusual to avoid the gluey material coating around the IC chip.

Description

IC packaging dispensing assembly height auxiliary adjusting device

Technical Field

The utility model belongs to the semiconductor manufacture field, in particular to subassembly height auxiliary regulating device is glued to IC encapsulation point.

Background

In the prior art, COF is often called as chip on film, which is a soft film packaging technology of a crystal grain that an integrated circuit (IC chip) is fixed on a flexible circuit board, and a soft additional circuit board is used as a carrier for packaging the chip to combine the chip with a flexible substrate circuit, or a soft additional circuit board without the packaged chip is used, and the method comprises tape-type packaging production, soft board connection chip assembly and soft IC carrier packaging.

The raw material of the IC chip is a single crystal silicon wafer, the wafer is cut to form a plurality of small crystal grains, i.e., the IC chip is usually packaged by a tape, and glue is applied to the periphery of each IC on the tape in order to prevent the pin from being broken. Become the straight line shape behind the winding blowing, lay the material area on the transmission band, the manipulator accurate control rubber tube of transmission band top removes, and the rubber tube is glued to carrying out the point around the IC on the material area through the point, however after gluing the material and finishing using, need install new rubber tube again, just must debug the high position of point of gluing needle again, but prior art adopts personnel's range estimation needle point to the mode of product surface working distance and debugs, and its weak point lies in: the distance difference of the dispensing needle points is easily too large by visual inspection of personnel; the needle point is easy to be too close to the product, and the risk of scratching the material belt, the IC or the colloid is caused; the needle point is too far away from the product, so that the glue is not dispensed in place.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high supplementary adjusting device of subassembly is glued to IC encapsulation point can control the material and take the distance of IC product and point gluey needle point, improves the precision of rubber coating distance, avoids the gluey material coating on every side of the IC chip unusual.

The purpose of the utility model is realized like this: a height auxiliary adjusting device for an IC packaging dispensing component comprises a horizontally arranged transmission belt rack, wherein a transmission belt is arranged on the transmission belt rack, a material belt is placed on the transmission belt, a plurality of IC chips are sequentially arranged on the material belt, a row of dispensing rubber tubes are correspondingly arranged above the material belt, each dispensing rubber tube is sequentially arranged along the length direction of the transmission belt, the axis of each dispensing tube is vertically arranged, the lower end of each dispensing tube is connected with a vertical dispensing needle, the inner part of each dispensing needle is communicated with the inner part of each dispensing tube, each dispensing tube is fixedly arranged on a dispensing positioning component, a dispensing interval is reserved between each dispensing needle and the material belt, an auxiliary adjusting mechanism is correspondingly arranged with the dispensing interval and comprises a front rod and a rear rod which can move relatively, the axes of the front rod and the rear rod are parallel to each other, and the front end of the front rod is fixedly connected with a, the thickness rule is the slice, and the thickness of thickness rule is 135~140um, and the thickness rule adopts the PEI material to make, the rear end of back pole is connected with rotatable regulation's swinging arms.

The utility model has the advantages that the transmission belt drives the material belt to move, the manipulator drives the dispensing tube on the dispensing positioning component to move, and the dispensing tube is used for dispensing around the IC; when a new dispensing tube needs to be replaced, the dispensing tube is controlled by the machine table to slowly descend to be close to the surface of the IC chip, the swing rod is held by hands, the front rod is controlled to move to enable the thickness gauge to be pressed on the surface of an IC product, the thickness gauge is slightly inserted into a gap between the IC and the dispensing needle point, the machine table is continuously controlled to enable the dispensing needle to slightly descend if the surface of the thickness gauge does not have a scraping feeling, and the thickness gauge is slightly adjusted to have a slight scraping feeling. Compared with the prior art, the beneficial effects of the utility model reside in that: the dispensing distance can be accurately controlled by the thickness gauge, the coating abnormity of the glue material is improved, and the risk of damaging the product due to improper operation is reduced; the front rod and the rear rod can move relatively, so that the length of the auxiliary adjusting mechanism is adjusted, and the swinging rod can rotate and be adjusted, so that an operator can conveniently select a proper gripping angle.

As the utility model discloses a further improvement, thickness rule includes laminating portion and protraction portion, and laminating portion contacts with the front-axle mast, and protraction portion stretches out forward, seted up at least three cylindric arch on the front-axle mast, correspond each arch in the thickness rule laminating portion and be provided with a plurality of recesses, every protruding equal axial passes corresponding recess, still pastes fixed connection through heat-resisting tape between thickness rule laminating portion and the front-axle mast. The bulge is convenient for the positioning of the thickness gauge, and the heat-resistant adhesive tape has a reinforcing effect.

As a further improvement, the cross section of preceding pole and back pole all is the lamella form, and the width of back pole is greater than the width of preceding pole, follows length direction spaced apart on the preceding pole and is equipped with two at least kidney slots, and the axis in kidney slot is parallel with preceding pole length direction, corresponds each kidney slot on the back pole and has seted up a plurality of screw holes, and the fastener passes and corresponds the kidney slot and be connected with corresponding screw hole. After the fastener is loosened, the front rod can be moved to play a role in adjusting the length.

As a further improvement of the utility model, the swing rod comprises a swing connecting section and a hand holding section which are connected into a whole, the cross section of the swing connecting section is rectangular, the cross section of the hand holding section is circular, the end part of the swing connecting section of the swing rod is integrally provided with an upper side plate and a lower side plate which are parallel to each other, through holes are arranged on the upper side plate and the lower side plate, a press rod sequentially passes through the through holes of the upper side plate and the lower side plate from top to bottom, the press rod is in clearance fit with the through holes, the upper end and the lower end of the press rod are horizontally provided with a limiting plate, the rear end of the rear rod is fixedly connected with a press block, one side of the press block opposite to the press rod is integrally provided with a horizontal press plate, the press plate and the press rod are connected into a whole, the lower end of the press rod is sleeved with a, the clamp plate upside is provided with a plurality of lower location teeth along the even interval of circumference, the curb plate downside corresponds each lower location tooth and is provided with a plurality of location teeth along the even interval of circumference, each location tooth and each lower location tooth intermeshing on the curb plate downside. After the pressing rod is pressed downwards, the pressing plate and the pressing block move downwards, the upper positioning teeth and the lower positioning teeth are separated from each other, the swinging rod is rotated, the upper positioning teeth and the lower positioning teeth are located at positions capable of being meshed with each other again, the pressing rod is loosened, the spring pushes the pressing plate to move upwards, and the upper positioning teeth are contacted with and meshed with the lower positioning teeth.

As a further improvement, one side of the pressing block close to the pressing rod is arranged to be arc-shaped. This technical scheme can avoid briquetting and top side board, lower side plate to take place to interfere.

As a further improvement, the left and right sides of transmission band all corresponds and is provided with the partition crossbeam, separates crossbeam length direction and parallels with transmission band length direction, and the downside of separating the crossbeam is arranged in proper order along length direction and is provided with a plurality of vertical supporting legs. The dividing beam can prevent people from approaching the material belt and the IC.

As a further improvement, the protective cover is arranged above the material belt positioned at the front side of the dispensing tube and is U-shaped, and the left side and the right side of the protective cover are respectively supported on the corresponding separating beam. The shield plays a role in protecting the tape and the IC chip.

As a further improvement of the utility model, the dispensing positioning assembly comprises a clamp and a base which are correspondingly arranged up and down, the clamp and the base are fixed through a connecting plate, a positioning groove is arranged on the inner side of the clamp, one end of the clamp is rotatably connected with a stop lever, the end part of the stop lever is fixed with the other end of the clamp through a fastener, a stepped hole is formed in the base in a penetrating manner, the lower end of a dispensing tube is supported at the bottom of the large-diameter section of the stepped hole, and a dispensing needle of the dispensing tube downwards passes through the small-diameter section of the stepped hole; and the clamp is connected with an installation upright rod installed on the manipulator. The upper end of the dispensing tube is clamped in the positioning groove, the lower end of the dispensing tube extends into the stepped hole, and the manipulator can drive the rubber tube to move.

Drawings

Fig. 1 is a top view of the transmission belt of the present invention.

Fig. 2 is a cross-sectional view along AA of fig. 1.

Fig. 3 is a front view of fig. 1.

Fig. 4 is a schematic structural view of the dispensing positioning assembly.

Fig. 5 is a schematic structural view of the auxiliary adjusting mechanism extending below the injection point rubber needle.

Fig. 6 is a top view of the auxiliary adjustment mechanism.

Fig. 7 is a partially enlarged view of fig. 6.

Fig. 8 is a cross-sectional view taken along line BB of fig. 7.

FIG. 9 is a schematic view of a circumferential distribution of the lower positioning teeth.

FIG. 10 is a schematic view of the structure of the lower positioning teeth and the upper positioning teeth separated after the pressing rod is pressed down.

The automatic adhesive dispensing device comprises a conveyor belt frame 1, a conveyor belt 2, a material belt 3, an IC chip 4, a glue dispensing tube 5, a glue dispensing needle 5a, a front rod 6, a rear rod 7, a thickness gauge 8, an attaching part 8a, a front extending part 8b, a swing rod 9, a swing connecting section 9a, a hand holding section 9b, a protrusion 10, a kidney-shaped groove 11, a fastener 12, an upper side plate 13, a lower side plate 14, a pressing rod 15, a limiting plate 15a, a pressing block 16, a pressing plate 17, a gasket 18, a spring 19, a lower positioning tooth 20, an upper positioning tooth 21, a partition beam 22, a support leg 23, a shield 24, a clamp hoop 25, a positioning groove 25a, a base 26, a connecting plate 27, a stop lever 28, a stepped hole.

Detailed Description

As shown in fig. 1-10, an auxiliary height adjusting device for an IC package dispensing assembly comprises a horizontally disposed conveyor belt frame 1, a conveyor belt 2 is disposed on the conveyor belt frame 1, a carrier tape 3 is disposed on the conveyor belt 2, a plurality of IC chips 4 are sequentially disposed on the carrier tape 3, a row of dispensing tubes 5 are correspondingly disposed above the carrier tape 3, the dispensing tubes 5 are sequentially disposed along the length direction of the conveyor belt 2, the axes of the dispensing tubes 5 are vertically disposed, the lower end of the dispensing tube 5 is connected with a vertical dispensing needle 5a, the insides of the dispensing needles 5a are communicated with the insides of the dispensing tubes 5, the dispensing tubes 5 are fixedly mounted on a dispensing positioning assembly, a dispensing gap is left between the dispensing needles 5a and the carrier tape 3, an auxiliary adjusting mechanism is disposed corresponding to the dispensing gap, the auxiliary adjusting mechanism comprises a front rod 6 and a rear rod 7 which can move relatively, the axes of the front rod 6 and the rear rod 7, the front end fixedly connected with of front rod 6 is the thickness rule 8 that extends forward, and thickness rule 8 is the slice, and thickness rule 8's thickness is 135~140um, and thickness rule 8 adopts the PEI material to make, and the rear end of back rod 7 is connected with rotatable regulation's swinging arms 9. Thickness rule 8 includes laminating portion 8a and preceding extension 8b, and laminating portion 8a contacts with preceding pole 6, and preceding extension 8b stretches out forward, has seted up at least three cylindric arch 10 on the preceding pole 6, corresponds each arch 10 on the 8 laminating portions of thickness rule and is provided with a plurality of recesses, and every 10 equal axial of arch passes and corresponds the recess, still pastes fixed connection through heat-resisting sticky tape between 8 laminating portions of thickness rule 8a and the preceding pole 6. The cross section of preceding pole 6 and back pole 7 all is the lamella form, and the width of back pole 7 is greater than the width of preceding pole 6, is equipped with two at least kidney slots 11 along length direction interval on the preceding pole 6, and the axis of kidney slot 11 is parallel with preceding pole 6 length direction, corresponds each kidney slot 11 on the back pole 7 and has seted up a plurality of screw holes, and fastener 12 passes corresponding kidney slot 11 and is connected with corresponding screw hole. The swing rod 9 comprises a swing connecting section 9a and a hand holding section 9b which are connected into a whole, the section of the swing connecting section 9a is rectangular, the section of the hand holding section 9b is circular, the end part of the swing connecting section 9a of the swing rod 9 is integrally provided with an upper side plate 13 and a lower side plate 14 which are parallel to each other, through holes are respectively arranged on the upper side plate 13 and the lower side plate 14, a press rod 15 sequentially penetrates through the through holes of the upper side plate 13 and the lower side plate 14 from top to bottom, the press rod 15 is in clearance fit with the through holes, the upper end and the lower end of the press rod 15 are horizontally provided with a limiting plate 15a, the rear end of the rear rod 7 is fixedly connected with a press block 16, one side of the press block 16 opposite to the press rod 15 is integrally provided with a horizontal press plate 17, the press plate 17 and the press rod 15 are connected into a whole, the lower end of the press, the lower end of the spring 19 elastically butts against the gasket 18, a plurality of lower positioning teeth 20 are uniformly arranged on the upper side of the pressure plate 17 at intervals along the circumferential direction, a plurality of upper positioning teeth 21 are uniformly arranged on the lower side of the upper side plate 13 corresponding to the lower positioning teeth 20 at intervals along the circumferential direction, and the upper positioning teeth 21 are meshed with the lower positioning teeth 20. One side of the pressing block 16 close to the pressing rod 15 is set to be arc-shaped. The left and right sides of transmission band 2 all corresponds and is provided with and separates crossbeam 22, separates crossbeam 22 length direction and parallels with 2 length direction of transmission band, and the downside of separating crossbeam 22 is arranged in proper order along length direction and is provided with a plurality of vertical supporting legs 23. A protective cover 24 is arranged above the material belt 3 positioned at the front side of the dispensing tube 5, the protective cover 24 is U-shaped, and the left side and the right side of the protective cover 24 are respectively supported on the corresponding separating cross beams 22. The dispensing positioning assembly comprises a hoop 25 and a base 26 which are arranged up and down correspondingly, the hoop 25 and the base 26 are fixed through a connecting plate 27, a positioning groove 25a is formed in the inner side of the hoop 25, one end of the hoop 25 is rotatably connected with a stop lever 28, the end part of the stop lever 28 is fixed with the other end of the hoop 25 through a fastener 12, a stepped hole 29 is formed in the base 26 in a penetrating mode, the lower end of the dispensing tube 5 is supported at the bottom of the large-diameter section of the stepped hole 29, and a dispensing needle 5a of the dispensing tube 5 penetrates through the small-diameter section of the stepped hole 29 downwards; the hoop 25 is connected with a mounting upright 30 mounted on a manipulator.

The utility model has the advantages that the transmission belt 2 drives the material belt 3 to move, the manipulator drives the dispensing tube 5 on the dispensing positioning component to move, and the dispensing tube 5 is used for dispensing around the IC; when a new dispensing tube 5 needs to be replaced, the dispensing tube 5 is controlled by the machine to slowly descend to be close to the surface of the IC chip 4, the swing rod 9 is held by a hand, the front rod 6 is controlled to move, so that the thickness gauge 8 is pressed on the surface of an IC product and is lightly inserted into a gap between the IC and the tip of the dispensing needle 5a, the machine is continuously controlled to enable the dispensing needle 5a to slightly descend when the surface of the thickness gauge 8 is not scratched, and the thickness gauge 8 is finely adjusted to have slight scratching. The utility model has the advantages that: the dispensing distance can be accurately controlled through the thickness gauge 8, the coating abnormity of the glue material is improved, and the risk of damaging the product due to improper operation is reduced; the front rod 6 and the rear rod 7 can move relatively, so that the length of the auxiliary adjusting mechanism can be adjusted, and the swinging rod 9 can be rotationally adjusted, so that an operator can conveniently select a proper gripping angle.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims

1. A height auxiliary adjusting device for an IC packaging dispensing assembly comprises a horizontally arranged transmission belt rack, wherein a transmission belt is arranged on the transmission belt rack, a material belt is placed on the transmission belt, a plurality of IC chips are sequentially arranged on the material belt, a row of dispensing rubber tubes are correspondingly arranged above the material belt, each dispensing rubber tube is sequentially arranged along the length direction of the transmission belt, the axis of each dispensing tube is vertically arranged, the lower end of each dispensing rubber tube is connected with a vertical dispensing needle, the inner part of each dispensing needle is communicated with the inner part of each dispensing tube, the height auxiliary adjusting device is characterized in that each dispensing rubber tube is fixedly arranged on a dispensing positioning assembly, a dispensing distance is reserved between each dispensing needle and the material belt, an auxiliary adjusting mechanism is correspondingly arranged with the dispensing distance and comprises a front rod and a rear rod which can move relatively, the axes of the front rod and the rear rod are parallel to each other, the front end of the front, the thickness rule is the slice, and the thickness of thickness rule is 135~140um, and the thickness rule adopts the PEI material to make, the rear end of back pole is connected with rotatable regulation's swinging arms.

2. The auxiliary height adjusting device for the IC package dispensing assembly according to claim 1, wherein the thickness gauge comprises a fitting portion and a protrusion portion, the fitting portion is in contact with the front rod, the protrusion portion protrudes forward, the front rod is provided with at least three cylindrical protrusions, the fitting portion of the thickness gauge is provided with a plurality of grooves corresponding to the protrusions, each protrusion axially penetrates through the corresponding groove, and the fitting portion of the thickness gauge is fixedly connected with the front rod through a heat-resistant adhesive tape.

3. The auxiliary height adjusting device for the IC package dispensing assembly according to claim 1 or 2, wherein the front rod and the rear rod are thin and have a cross section, the rear rod has a width larger than that of the front rod, the front rod has at least two slots spaced apart along the length direction, the slots have axes parallel to the length direction of the front rod, the rear rod has a plurality of threaded holes corresponding to the slots, and the fasteners pass through the slots and are connected to the corresponding threaded holes.

4. The height auxiliary adjusting device of an IC package dispensing assembly as claimed in claim 1 or 2, wherein the swing lever comprises a swing connecting section and a hand holding section which are connected into a whole, the swing connecting section has a rectangular cross section, the hand holding section has a circular cross section, the end of the swing connecting section of the swing lever is integrally provided with an upper side plate and a lower side plate which are parallel to each other, the upper side plate and the lower side plate are both provided with through holes, a press lever sequentially passes through the through holes of the upper side plate and the lower side plate from top to bottom, the press lever is in clearance fit with the through holes, the upper end and the lower end of the press lever are both horizontally provided with a limiting plate, the rear end of the rear lever is fixedly connected with a press block, a horizontal press plate is integrally provided on the side of the press block opposite to the press lever, the press plate and the press lever are connected into a whole, a gasket supported on the lower, the lower extreme elasticity of spring is contradicted on the gasket, the clamp plate upside is provided with a plurality of lower location teeth along the even interval of circumference, the curb plate downside corresponds each down and fixes a position the tooth and be provided with a plurality of location teeth on along the even interval of circumference, fixes a position tooth and each lower location tooth intermeshing on each.

5. The auxiliary height adjusting device for the IC package dispensing assembly according to claim 4, wherein a side of the pressing block near the pressing rod is configured to be arc-shaped.

6. The auxiliary height adjusting device for the IC package dispensing assembly according to claim 1 or 2, wherein the left and right sides of the conveyor belt are respectively provided with a separating beam, the length direction of the separating beam is parallel to the length direction of the conveyor belt, and the lower side of the separating beam is sequentially provided with a plurality of vertical support legs along the length direction.

7. The auxiliary height adjustment device for IC package dispensing assemblies as claimed in claim 6, wherein a U-shaped shield is disposed above the tape in front of the dispensing tube, and the left and right sides of the shield are supported on the corresponding separating beams respectively.

8. The auxiliary height adjusting device for the IC package glue dispensing assembly according to claim 1 or 2, wherein the glue dispensing positioning assembly comprises a clamp and a base which are correspondingly arranged up and down, the clamp and the base are fixed through a connecting plate, a positioning groove is arranged on the inner side of the clamp, one end of the clamp is rotatably connected with a stop lever, the end part of the stop lever is fixed with the other end of the clamp through a fastener, a stepped hole is formed in the base in a penetrating manner, the lower end of a glue dispensing tube is supported at the bottom of the large-diameter section of the stepped hole, and a glue dispensing needle of the glue dispensing tube penetrates through the small-diameter section of the stepped hole; and the clamp is connected with an installation upright rod installed on the manipulator.