CN112407418A

CN112407418A - Chip taking and placing jig for chip uncoiling operation

Info

Publication number: CN112407418A
Application number: CN202011297725.3A
Authority: CN
Inventors: 李恊松; 郑朝生; 朱军; 柏永生; 杨雅鄢; 郑广源; 袁俊; 卢旭坤; 张亦锋; 辜诗涛
Original assignee: Guangdong Leadyo Ic Testing Co ltd
Current assignee: Guangdong Leadyo Ic Testing Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-02-26

Abstract

The invention discloses a chip taking and placing jig for chip uncoiling operation. The suction nozzles are arranged on the seat body side by side, each suction nozzle is provided with a gas channel, the seat body is provided with a vacuum channel, the gas channels of the suction nozzles are respectively communicated with the vacuum channels through a connecting pipeline, and the vacuum channels are used for connecting a vacuum device so that the suction nozzles can suck the chips. The output end of the driving piece is connected with a suction nozzle at the end part and is used for driving the suction nozzle to move towards a first direction so as to push other suction nozzles to enable the suction nozzles to be close to each other. When the suction nozzles at the end part move towards the second direction, the adjusting piece enables the suction nozzles to be far away from each other so as to adapt to different spacing requirements when the chip is sucked up and put down. The chip unwinding device provided by the invention can be used for sucking up a plurality of chips on the carrier tape at one time and accurately placing the chips into the chip grooves of the tray disc, so that the chip unwinding efficiency is improved, and an operator does not need to align the chips again.

Description

Chip taking and placing jig for chip uncoiling operation

Technical Field

The invention relates to the technical field of semiconductors, in particular to a chip taking and placing jig for chip uncoiling operation.

Background

One of the shipping methods of semiconductor chips is to package the semiconductor chips by a tape, which includes a carrier tape for carrying the semiconductor chips and a transparent cover tape covering the semiconductor chips. If the semiconductor chips need to be unpacked and repackaged before shipment (if product problems are encountered), the transparent cover tape on the tape is mainly torn off manually by an operator, and then the semiconductor chips are taken up one by one and put on a tray for repackaging. This mode operating efficiency is low, and often be difficult to just accurately place semiconductor chip in the chip recess of tray dish once, if the chip put askewly, still need the operating personnel to put the chip by hand again, and it is many to consume time.

Disclosure of Invention

The invention aims to provide a chip taking and placing jig for chip uncoiling operation, so that a plurality of chips can be accurately taken and placed at one time, and the uncoiling operation efficiency is improved.

In order to achieve the above object, the present invention discloses a chip taking and placing jig for chip unrolling operation, which comprises a base, a plurality of suction nozzles, a driving member and a plurality of adjusting members. The suction nozzles are arranged on the seat body side by side, each suction nozzle is provided with a gas channel, the seat body is provided with a vacuum channel, the gas channels of the suction nozzles are communicated with the vacuum channel through a connecting pipeline respectively, and the vacuum channel is used for connecting a vacuum device so that the suction nozzles can suck up chips. The output end of the driving piece is connected with one of the suction nozzles at the end part and is used for driving the suction nozzle to move towards the first direction so as to push other suction nozzles to enable the suction nozzles to be close to each other. When the suction nozzles at the end parts move towards the second direction, the adjusting parts enable the plurality of suction nozzles to be away from each other so as to adapt to different spacing requirements when the chips are sucked up and put down.

Compared with the prior art, the base body is provided with the plurality of suction nozzles side by side, and the distance between the suction nozzles is accurately adjusted through the driving piece and the adjusting piece, so that the requirements of different chip distances between the Tray disc and the carrier tape are met, the chips on the carrier tape are sucked up and accurately placed in the chip grooves of the Tray disc at one time, the chip uncoiling efficiency is improved, and an operator does not need to align the chips again. And moreover, the plurality of suction nozzles are communicated with the vacuum channel on the seat body, so that the suction of all the suction nozzles to the chip can be realized through a vacuum air source, and the suction device is simple in structure and easy to realize.

Specifically, the base body comprises a base and an installation rod installed on the base, the vacuum channel is formed in the base, and the suction nozzles penetrate through the installation rod.

Preferably, the base includes a first base and two second bases perpendicularly connected to two ends of the first base, the vacuum channel is opened on the first base, the mounting rod is parallel to the first base, and two ends of the mounting rod are respectively fixed to the two second bases.

Preferably, one side of the suction nozzle facing the base and one side of the suction nozzle facing away from the base are respectively provided with a bulge, one bulge of the suction nozzle and the bulge of the previous suction nozzle are limited in a regulating piece, the other bulge of the suction nozzle and the bulge of the next suction nozzle are limited in the other regulating piece, the regulating piece is provided with a first groove and a second groove, the first groove is fixed with the bulge of one suction nozzle, the second groove is matched with the bulge of the other suction nozzle, and the bulge of the other suction nozzle can slide in the second groove; when the suction nozzle at the end moves towards the second direction, the suction nozzle at the rear side is pulled by the adjusting piece to move towards the second direction so as to enable the suction nozzles to be far away from each other.

Preferably a suction nozzle located at the end remote from the drive member is fixed with the base.

Preferably, the adjusting member includes a positioning base plate, a first vertical plate, a second vertical plate and a third vertical plate, the first vertical plate, the second vertical plate and the third vertical plate are protruded from the positioning base plate, the first vertical plate and the second vertical plate are respectively connected to two ends of the positioning base plate, and the third vertical plate is located between the first vertical plate and the second vertical plate to form the first groove and the second groove.

Specifically, one side of the base, which is far away from the mounting rod, is provided with a pressure relief hole communicated with the vacuum channel, and when the pressure relief hole is exposed, the plurality of suction nozzles put down the chip.

Preferably, the base is provided with two pressure relief holes, and the two pressure relief holes are respectively located at positions close to two end portions of the base.

Specifically, the driving member is fixed to the second base through a mounting seat, the driving member is an air cylinder, and an output end of the driving member penetrates through the second base to be connected with one of the suction nozzles located at the end portion.

Preferably, the base and the suction nozzle are made of metal aluminum.

Drawings

Fig. 1 is a schematic structural view of a chip pick-and-place jig in a closed state according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of the chip taking and placing jig shown in fig. 1 with the connecting pipeline removed.

Fig. 3 is another angle of the chip pick-and-place jig shown in fig. 2.

Fig. 4 is a front view of fig. 2.

Fig. 5 is a schematic view of fig. 2 with the base removed.

Fig. 6 is a perspective view of the base.

Fig. 7 is a perspective view of the mouthpiece.

Fig. 8 is a perspective view of the adjuster.

Fig. 9 is a schematic structural view of a chip pick-and-place jig according to an embodiment of the invention in an open state.

Fig. 10 is another angle of the chip pick-and-place jig shown in fig. 9.

Fig. 11 is a front view of fig. 9.

Fig. 12 is a schematic view of fig. 9 with the base removed.

Fig. 13 is a schematic diagram of a working process of the chip pick-and-place jig of the invention.

Detailed Description

The following detailed description is given with reference to the accompanying drawings for illustrating the contents, structural features, and objects and effects of the present invention.

In the description of the present invention, it is to be understood that the terms "front", "rear", "upper", "lower", "first direction", "second direction", "lateral", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and thus are not to be construed as limiting the scope of the present invention.

Referring to fig. 1 to 12, the present invention discloses a chip picking and placing jig 100 for chip unrolling operation, which is suitable for sucking up a plurality of chips 220 on a carrier tape 210 at a time and accurately placing the chips into chip grooves 310 of a tray 300 (as shown in fig. 13) so as to improve the chip unrolling efficiency. Specifically, the chip pick-and-place jig 100 includes a base 10, a plurality of suction nozzles 20, a driving member 30, and a plurality of adjusting members 40. Wherein, a plurality of suction nozzles 20 are installed on the base 10 side by side, and each suction nozzle 20 is provided with an air channel 213 (as shown in fig. 2). The base 10 is formed with a vacuum channel 1111 (as shown in fig. 6), the air channels 213 of the plurality of nozzles 20 are respectively connected to the vacuum channel 1111 (as shown in fig. 1) through a connection pipe 214, the vacuum channel 1111 is used for connecting a vacuum device (not shown) to enable the plurality of nozzles 20 to suck the chip 220, and when the vacuum is removed, the chip 220 can fall down from the nozzles 20. The output end of the driving member 30 is connected to an end nozzle 20 for driving the nozzle 20 to move in a first direction to push other nozzles 20 to make the nozzles 20 close to each other (as shown in fig. 2). The adjusting member 40 is used for controlling the distance between two adjacent suction nozzles 20, and when the end suction nozzle 20 moves in the second direction, the adjusting member 40 moves the suction nozzles 20 away from each other (as shown in fig. 9) to meet different distance requirements when the chip 220 is sucked up and the chip 220 is put down. The "first direction" and the "second direction" are two opposite directions, and the "end-located nozzle" refers to a leading nozzle among the plurality of nozzles 20 arranged together. The base 10 and the plurality of suction nozzles 20 are made of aluminum so that the whole chip taking and placing jig 100 has strong structural strength and light weight, and an operator can conveniently hold the chip taking and placing jig 100 for operation.

As shown in fig. 6, the base 10 includes a base 11 and a mounting rod 12 mounted on the base 11, the base 11 is provided with a vacuum channel 1111, and a plurality of suction nozzles 20 are inserted through the mounting rod 12 (as shown in fig. 3). Further, the base 11 includes a first base 111 disposed transversely and two second bases 112 perpendicularly connected to two ends of the first base 111, two ends of the mounting rod 12 are respectively fixed to the two second bases 112, the mounting rod 12 is parallel to the first base 111, and the first base 111 is opened with a vacuum channel 1111. The base 11 has a simple structure and can stably mount the plurality of suction nozzles 20. The vacuum channel 1111 includes a first channel 1111a opened in the middle of the first base 111 for receiving a vacuum source (not shown) and a plurality of second channels 1111b penetrating the upper surface of the first base 111 and communicating with the first channel 1111a, and the connection pipe 214 has one end connected to the gas channel 213 and the other end connected to the second channel 1111b (shown in fig. 1).

As shown in fig. 3, a pressure relief hole 1112 communicating with the vacuum channel 1111 is opened on a side of the first base 111 of the base 11 away from the mounting rod 12, and when the pressure relief hole 1112 is exposed, the plurality of suction nozzles 20 release the chip 220. Preferably, the base 11 is provided with two pressure relief holes 1112, and the two pressure relief holes 1112 are respectively located at positions close to two end portions of the base 11, so that when an operator holds the chip pick-and-place jig 100, fingers of both hands respectively seal one pressure relief hole 1112, so that the suction nozzle 20 can suck up the chip 220; when the chip 220 needs to be put down, the finger is moved away from the pressure relief hole 1112, so that quick pressure relief can be realized.

Referring to fig. 2, 7 and 8, in this embodiment, a side (hereinafter referred to as a rear side) of the suction nozzle 20 facing the base 11 and a side (hereinafter referred to as a front side) of the suction nozzle 20 facing away from the base 11 are respectively provided with a

protrusion

211, 212, one of the protrusions 211 of the suction nozzle 20 and the protrusion 211 of the previous suction nozzle 20 are limited in an adjusting member 40, and the other protrusion 212 of the suction nozzle 20 and the protrusion 212 of the next suction nozzle 20 are limited in another adjusting member 40. The adjusting member 40 has a first recess 45 and a second recess 46, the first recess 45 and the protrusion 211 of one of the suction nozzles 20 are fixed together by a screw 50, the second recess 46 is engaged with the protrusion 211 of the other suction nozzle 20 and the protrusion 211 of the other suction nozzle 20 is slidable in the second recess 46. In addition to the two suction nozzles 20 positioned head and tail, for the other suction nozzles 20, the two protrusions 211 on the front and rear sides of the same suction nozzle 20 are respectively positioned in the first recesses 45 of the two adjusting members 40 and fix the suction nozzle 20 and the two adjusting members 40 by a screw 50, or the two protrusions 211 on the front and rear sides are respectively positioned in the second recesses 46 of the two adjusting members 40, so that the suction nozzles 20 can be close to or far from each other. In the embodiment shown in fig. 1-12, the front protrusion 211 of the first suction nozzle 20 (the suction nozzle connected to the driving member 30) is fixed in the first groove 45 of the front first adjusting member 40, the front protrusion 211 of the second suction nozzle 20 is arranged in the second groove 46 of the front first adjusting member 40, the rear protrusion 211 of the second suction nozzle 20 is arranged in the second groove 46 of the rear first adjusting member 40, the rear protrusion 211 of the third suction nozzle 20 is fixed in the first groove 45 of the rear first adjusting member 40, the front protrusion 211 of the third suction nozzle 20 is fixed in the first groove 45 of the front second adjusting member 40, and so on for the other suction nozzles 20.

Specifically, when the suction nozzle 20 at the front end is driven by the driving member 30 to move in the second direction, the adjusting member 40 at the front side pulls the suction nozzle 20 at the rear side to move in the second direction, and the adjusting member 40 at the rear side of the suction nozzle 20 at the rear side pulls the suction nozzle 20 at the rear side to move in the second direction, so as to sequentially separate the suction nozzles 20 from each other. When the suction nozzle 20 at the front end is driven by the driving member 30 to move in the first direction, the suction nozzle 20 at the front end pushes the suction nozzle 20 at the rear side thereof, so that the plurality of suction nozzles 20 are attached, and at this time, the adjusting members 40 at the front side of the suction nozzle 20 are attached, and the adjusting members 40 at the rear side of the suction nozzle 20 are also attached. That is, borrow the card accuse of borrowing adjusting part 40 and realized the distance adjustment between suction nozzle 20, simple structure, and can realize the accurate control of distance to be adapted to the great chip recess 310 interval of tray dish 300 and the less chip interval requirement of carrier band 210, can realize once accurately getting and put a plurality of chips 220, and then improve the operating efficiency. Of course, in other embodiments, the spacing between the suction nozzles 20 can be adjusted by other means, for example, an elastic member is disposed between the suction nozzles 20 and the suction nozzles 20, when the suction nozzle 20 at the front end moves towards the first direction, the elastic member is compressed to make the suction nozzles 20 close to each other so as to adapt to the smaller chip spacing requirement of the carrier tape 210, and when the force of the driving member 30 disappears, the elastic restoring force of the elastic member will make the suction nozzles 20 move towards the second direction so as to make the suction nozzles 20 move away from each other, thereby adapting to the larger chip spacing requirement of the tray 300, which should not be limited thereto.

As shown in fig. 2, a suction nozzle 20 (rear end portion) located at the end portion and away from the driving member 30 is fixed with the second base portion 112 of the base 11, and when the suction nozzle 20 located at the front end portion is driven by the driving member 30 to move in the first direction, the suction nozzle 20 located at the rear side thereof is pushed by the suction nozzle 20 located at the front end portion until being blocked by the suction nozzle 20 located at the rear end portion. In this embodiment, the suction nozzle 20 includes a main body 21 and a suction part 22 located at the end of the main body 21 and communicating with the main body 21, the main body 21 is opened with an air channel 213, and the

protrusions

211 and 212 are rectangular and extend to the upper and lower ends of the main body 21 (as shown in fig. 7).

As shown in fig. 8, the adjusting member 40 includes a positioning base plate 41 disposed horizontally, a first vertical plate 42, a second vertical plate 43 and a third vertical plate 44 protruding from the positioning base plate 41, the first vertical plate 42 and the second vertical plate 43 are respectively connected to two ends of the positioning base plate 41, the third vertical plate 44 is disposed between the first vertical plate 42 and the second vertical plate 43, and a distance between the third vertical plate 44 and the first vertical plate 42 is smaller than a distance between the third vertical plate 44 and the second vertical plate 43, so as to form a first groove 45 and a second groove 46, and the structure of the adjusting member 40 is simple.

Referring to fig. 2, in the embodiment shown in fig. 2, the driving member 30 is fixed to the second base portion 112 through a mounting seat 31, the driving member 30 is an air cylinder, wherein a through hole 1121 (shown in fig. 6) is formed in one of the second base portions 112, and the output end of the driving member 30 passes through the second base portion 112 through the through hole 1121 to be connected to an end suction nozzle 20. Of course, in other embodiments, the driving member 30 can be a motor, etc., and the mounting manner is not limited to the connection with the suction nozzle 20 through the second base 112.

The operation of the chip picking and placing jig 100 for chip unrolling operation will be described below by taking an embodiment of the present invention as an example.

Firstly, selecting a corresponding carrier tape fixing guide rail 400 according to the width of the chip carrier tape 210 to be unrolled, and then penetrating the tape into the carrier tape fixing guide rail 400 and stripping the cover tape 230 (as shown in fig. 13); then, turning on the vacuum switch, placing the chip pick-and-place jig 100 above the chip 220 to be sucked on the carrier tape 210, and making the edge of the suction nozzle 20 flush with the edge of the chip 220; then, the two pressure release holes 1112 are pressed by fingers to prevent the vacuum from leaking, so that the chip 220 is sucked on the corresponding suction nozzle 20, and then the chip taking and placing jig 100 is picked up; then, the chip pick-and-place jig 100 with the chips 220 is moved to the target Tray 300, and the foot switch (not shown) controlling the driving member 30 is stepped to open (move away) the suction nozzles 20 (as shown in fig. 9), and the suction nozzles 20 are aligned with the center of the chip recess 310 of the Tray 300 where the chips 220 need to be placed; then, the finger pressing the pressure relief hole 1112 is released, so that the chip 220 falls into the chip groove 310 of the Tray disk 300; finally, the chip pick-and-place jig 100 with the chip 220 put down is taken away, and the foot switch controlling the driving unit 30 is released to make the suction nozzles 20 close to each other (as shown in fig. 2), thereby completing the single chip unwinding operation.

Compared with the prior art, the plurality of suction nozzles 20 are arranged on the base 10 side by side, and the precise adjustment of the spacing between the suction nozzles 20 is realized through the driving part 30 and the adjusting part 40, so that the different chip spacing requirements of the Tray disk 300 and the carrier tape 210 are met, the chips 220 on the carrier tape 210 are sucked up and precisely placed into the chip grooves 310 of the Tray disk 300 at one time, the chip unwinding efficiency is improved, and an operator does not need to align the chips 220 again. Moreover, the plurality of suction nozzles 20 are all communicated with the vacuum channel 1111 of the base 10, and the suction of the chip 220 by all the suction nozzles 20 can be realized through a vacuum air source, so that the structure is simple and easy to realize.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.

Claims

1. A chip taking and placing jig for chip uncoiling operation is characterized by comprising a base body, a plurality of suction nozzles, a driving piece and a plurality of adjusting pieces, wherein the suction nozzles are arranged on the base body side by side, each suction nozzle is provided with a gas channel, the base body is provided with a vacuum channel, the gas channels of the suction nozzles are respectively communicated with the vacuum channels through a connecting pipeline, and the vacuum channels are used for connecting a vacuum device so that the suction nozzles can suck chips; the output end of the driving piece is connected with one suction nozzle at the end part and is used for driving the suction nozzle to move towards a first direction so as to push other suction nozzles to enable the suction nozzles to be close to each other; when the suction nozzles at the end parts move towards the second direction, the adjusting parts enable the plurality of suction nozzles to be away from each other so as to adapt to different spacing requirements when the chips are sucked up and put down.

2. The jig of claim 1, wherein the base comprises a base and a mounting rod mounted on the base, the base defines the vacuum channel, and the plurality of suction nozzles are disposed through the mounting rod.

3. The jig of claim 2, wherein the base comprises a first base and two second bases perpendicularly connected to two ends of the first base, the first base is provided with the vacuum channel, the mounting rod is parallel to the first base, and two ends of the mounting rod are respectively fixed to the two second bases.

4. The jig for picking and placing chips as claimed in claim 2, wherein the suction nozzle has a protrusion on one side facing the base and a protrusion on one side facing away from the base, one of the protrusions of the suction nozzle and the protrusion of the previous suction nozzle are limited in a regulating member, the other protrusion of the suction nozzle and the protrusion of the next suction nozzle are limited in another regulating member, the regulating member has a first groove and a second groove, the first groove is fixed with the protrusion of one of the suction nozzles, the second groove is engaged with the protrusion of the other suction nozzle, and the protrusion of the other suction nozzle can slide in the second groove; when the suction nozzle at the end moves towards the second direction, the suction nozzle at the rear side is pulled by the adjusting piece to move towards the second direction so as to enable the suction nozzles to be far away from each other.

5. The jig of claim 4, wherein a suction nozzle located at an end of the base and away from the driving member is fixed to the base.

6. The jig of claim 4, wherein the adjusting member comprises a positioning substrate, a first vertical plate, a second vertical plate and a third vertical plate protruding from the positioning substrate, the first vertical plate and the second vertical plate are respectively connected to two ends of the positioning substrate, and the third vertical plate is located between the first vertical plate and the second vertical plate to form the first groove and the second groove.

7. The jig of claim 2, wherein a pressure relief hole is formed in a side of the base away from the mounting rod and communicated with the vacuum channel, and when the pressure relief hole is exposed, the plurality of suction nozzles put down the chip.

8. The jig of claim 7, wherein the base has two pressure relief holes, and the two pressure relief holes are located near two ends of the base.

9. The jig of claim 3, wherein the driving member is fixed to the second base by a mounting seat, the driving member is a cylinder, and the output end of the driving member passes through the second base and is connected to a suction nozzle at the end.

10. The jig for picking and placing chips as claimed in any one of claims 1 to 9, wherein the base and the suction nozzle are made of aluminum.