CN218975416U

CN218975416U - Alignment jig

Info

Publication number: CN218975416U
Application number: CN202222215050.4U
Authority: CN
Inventors: 王家鹏; ***
Original assignee: Tangren Manufacturing Jiashan Co ltd
Current assignee: Tangren Manufacturing Jiashan Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-05-05
Anticipated expiration: 2032-08-22

Abstract

The utility model relates to the technical field of semiconductor packaging equipment, in particular to a contraposition jig, which comprises the following components: the camera comprises a base, a right fixed plate, a rear fixed plate, a left moving plate, a front moving plate, a first camera and a second camera, wherein a sleeve hole is formed in the base, the right fixed plate is fixed to the right end of the base, the first plug block at the right end of the rear fixed plate is fixedly inserted into the third chute opening at the rear end of the right fixed plate, the first chute opening at the rear end of the left moving plate is in sliding connection with the second plug block at the left end of the rear fixed plate, the first chute opening is provided with a first fastening screw, the third plug block at the left end of the front moving plate is in sliding connection with the second chute opening at the front end of the left moving plate, the second chute opening is provided with a second fastening screw, the fourth plug block at the right end of the front moving plate is in sliding connection with the fourth chute opening at the front end of the right fixed plate, the fourth plug block at the top of the chute opening is provided with a third fastening screw, the first camera is fixedly arranged in the middle of the left moving plate, and the second camera is fixedly arranged in the middle of the front moving plate, so that the result is clearer and more direct and accurate.

Description

Alignment jig

Technical Field

The utility model relates to the technical field of semiconductor packaging equipment, in particular to a contraposition jig.

Background

Along with the rapid rise of the semiconductor industry, the chip is continuously developed towards the miniaturization and the precision, and the precision requirements of various packaging devices are also higher and higher, so that the position precision requirements of key parts of the devices are also higher and higher, and in order to realize the position alignment of the crystal-fixing devices, particularly the flip-chip devices, some additional auxiliary fixture tools are often used.

In the prior art, embossing is often used to perform the alignment, and this method generally requires attaching a raw material tape or a copy paper to one object, embossing the print on the object by the other object, and then comparing the print with the center of the object to determine whether the two objects are aligned (the object is generally cylindrical and the diameter is not very large). When the print is observed, the print is generally observed through a camera and a lens, which has higher requirements on the position and light of the print, and if the print is far from the lens and the light is dark, the print is not easy to see clearly.

To sum up, in order to solve the defects in the prior art, a positioning fixture with a simple structure needs to be designed.

Disclosure of Invention

The utility model provides a contraposition jig for solving the problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme: an alignment jig includes: the camera comprises a base, a right fixed plate, a rear fixed plate, a left moving plate, a front moving plate, a first camera and a second camera, wherein a sleeve hole is formed in the base, the right fixed plate is fixed to the right end of the base, the first plug block at the right end of the rear fixed plate is fixedly inserted into the third chute opening at the rear end of the right fixed plate, the first chute opening at the rear end of the left moving plate is in sliding connection with the second plug block at the left end of the rear fixed plate, the first chute opening is provided with a first fastening screw, the third plug block at the left end of the front moving plate is in sliding connection with the second chute opening at the front end of the left moving plate, the second chute opening is provided with a second fastening screw, the fourth plug block at the right end of the front moving plate is in sliding connection with the fourth chute opening at the front end of the right fixed plate, the fourth plug block at the top of the chute opening is provided with a third fastening screw, the first camera is fixedly arranged in the middle of the left moving plate, and the second camera is fixedly arranged in the middle of the front moving plate.

Further improvement, be provided with the adjustment tank on the back fixed plate, the back fixed plate front end is equipped with the locating piece, locating piece threaded connection has adjusting bolt, adjusting bolt passes the adjustment tank and sets up with the contact of back fixed plate terminal surface.

Further improvement, spout mouth first bottom is equipped with recess one, insert block second bottom be equipped with recess assorted lug one, spout mouth fourth bottom is equipped with recess two, insert block fourth bottom be equipped with recess two assorted lug two.

Further improvement, the first front end ring of the camera is provided with a first lamp bead, and the second front end ring of the camera is provided with a second lamp bead.

Further improvement, left movable plate middle part is equipped with camera holding tank one, camera one sets up in camera holding tank one, threaded connection has baffle one on the left movable plate, baffle one is located camera holding tank one outside, the preceding movable plate middle part is equipped with camera holding tank two, threaded connection has baffle two on the preceding movable plate, the baffle two is located camera holding tank two outsides.

Compared with the prior art, the alignment jig has the beneficial effects that:

the sliding groove opening feature of the left moving plate and the inserting block feature of the rear fixed plate can be mutually nested and matched, the left moving plate can linearly move along the inserting block direction of the rear fixed plate, and after moving to a required position, the left moving plate is locked and positioned through a fastening screw; the sliding groove opening feature of the front moving plate and the inserting block feature of the right fixed plate can be mutually nested and matched, the front moving plate can linearly move along the inserting block direction of the right fixed plate, and after moving to a required position, the front moving plate is locked and positioned through fastening screws. The front moving plate and the left moving plate are designed to be movable, so that the focal length of the first camera and the focal length of the second camera can be conveniently adjusted, and the imaging effect is clearer. The first camera and the second camera can respectively output views in one direction, and the X direction or the Y direction. The relative positions of the ejector pin and the suction nozzle in the X or Y direction can be clearly seen through the output view. The center of the thimble and the suction nozzle can be easily judged whether to be aligned or not through the view in the two directions of X, Y, the alignment jig is simple to use, and the result is clearer, more direct and accurate.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model

FIG. 2 is a schematic view of another view of the present utility model

FIG. 3 is a schematic view of the internal part of the present utility model

FIG. 4 is a schematic view of the imaging position of the camera according to the present utility model

In the figure, the first base, the 11-trepanning, the 12-thimble, the 13-suction nozzle, the 2-right fixed plate, the 21-chute mouth third, the 22-chute mouth fourth, the 221-fastening screw third, the 222-groove second, the 3-rear fixed plate, the 31-insert first, the 32-insert second, the 321-bump first, the 33-adjusting groove, the 4-left moving plate, the 41-chute mouth first, the 411-fastening screw first, the 412-groove first, the 42-chute mouth second, the 421-fastening screw second, the 5-front moving plate, the 51-insert third, the 52-insert fourth, the 521-bump second, the 6-camera first, the 61-lamp bead first, the 7-camera second, the 71-lamp bead second, the 8-positioning block, the 81-adjusting bolt, the 91-camera accommodating groove first, the 92-camera accommodating groove second, the 93-baffle first, and the 94-baffle second.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The technical scheme of the utility model is further described below with reference to the examples and the accompanying figures 1-4.

Example 1

An alignment jig, comprising: the camera comprises a base 1, a right fixed plate 2, a rear fixed plate 3, a left moving plate 4, a front moving plate 5, a first camera 6 and a second camera 7, wherein a sleeve hole 11 is formed in the base 1, the right fixed plate 2 is fixed to the right end of the base 1, a first insert 31 at the right end of the rear fixed plate 3 is inserted and fixed into a third slide slot 21 at the rear end of the right fixed plate 2, a first slide slot 41 at the rear end of the left moving plate 4 is slidably connected with a second insert 32 at the left end of the rear fixed plate 3, a first fastening screw 411 is arranged at the top of the first slide slot 41, a third insert 51 at the left end of the front moving plate 5 is slidably connected with a second slide slot 42 at the front end of the left moving plate 4, a second fastening screw 421 is arranged at the top of the second slide slot, a fourth insert 52 at the right end of the front moving plate 5 is slidably connected with a fourth slide slot 22 at the front end of the right fixed plate 2, a third fastening screw 221 is arranged at the top of the slide slot 22, the first camera 6 is fixed in the middle of the left moving plate 4, and the middle of the second camera 7 is fixed in the middle of the front moving plate 5.

As shown in fig. 1 to 4, the use principle of the present utility model is as follows: the sleeve hole 11 is used for sleeving the base 1 on the thimble platform, and after the base 1, the right fixed plate 2, the rear fixed plate 3, the left moving plate 4, the front moving plate 5, the first camera 6 and the second camera 7 are assembled according to the positions, the thimble 12 is arranged in the sleeve hole 11 of the base 1, and the suction nozzle 13 is positioned right above the thimble 12.

The sliding slot opening feature of the left moving plate 4 and the inserting block feature of the rear fixed plate 3 can be mutually nested and matched, the left moving plate 4 can linearly move along the inserting block direction of the rear fixed plate 3, and after moving to a required position, the left moving plate is locked and positioned through a first fastening screw 411; the sliding slot opening feature of the front moving plate 5 and the inserting block feature of the right fixed plate 2 can be mutually nested and matched, the front moving plate 5 can linearly move along the inserting block direction of the right fixed plate 2, and after moving to a required position, the front moving plate is locked and positioned through a fastening screw III 221. The front moving plate 5 and the left moving plate 4 are designed to have a movable function, so that the focal length of the first camera 6 and the second camera 7 can be conveniently adjusted, and the imaging effect is clearer.

The first camera 6 and the second camera 7 can output views in one direction, the X direction or the Y direction, respectively. The relative positions of the ejector pins 12 and the suction nozzles 13 in the X or Y direction can be clearly seen from the output view. The alignment of the center of the ejector pin 12 with the nozzle 13 can be easily determined by the view of X, Y in two directions. The alignment jig is simple to use, and the result is clearer, more direct and accurate.

Through structural change, this counterpoint tool can also be applicable to the counterpoint of two suction nozzles, namely change thimble 12 below into another suction nozzle 13. The camera I6 and the camera II 7 can conveniently observe the position relation of the two suction nozzles, and the result is clearer and more direct.

The fixture can accurately and directly obtain the relative position relation of two targets, is simple to operate and high in compatibility, can be widely applied to advanced packaging equipment such as patches and flip-chips, and is already applied to related equipment in batches.

The alignment jig of the design can be directly placed near an object to be aligned, is clear and direct to observe, and has good compatibility for places which cannot be aligned by an imprinting method.

As a further embodiment, the rear fixing plate 3 is provided with an adjusting groove 33, the front end of the rear fixing plate 3 is provided with a positioning block 8, the positioning block 8 is in threaded connection with an adjusting bolt 81, and the adjusting bolt 81 passes through the adjusting groove 33 and is in contact with the end face of the rear fixing plate 3. As shown in fig. 1 and fig. 2, the positioning block 8 is used for positioning a target object, for example, the ejector pin 12 at the bottom is sleeved into the base 1, and then collides with the positioning block 8, the position of the ejector pin 12 is determined, the positioning block 4 can move up and down in the adjusting groove 33 of the rear fixing plate 3, and is used for adjusting the height of the camera relative to the target object, and finally, the position of the positioning block 4 is fixed through the adjusting bolt 81.

As a further embodiment, the bottom of the first slot 41 is provided with a first groove 412, the bottom of the second insert 32 is provided with a first protrusion 321 matching with the first groove 412, the bottom of the fourth slot 22 is provided with a second groove 222, and the bottom of the fourth insert 52 is provided with a second protrusion 521 matching with the second groove 222. As shown in fig. 1, the matching arrangement of the first groove 412 and the first protrusion 321 can ensure that the left moving plate 4 can only move left and right but not move back and forth, and ensure the stability of the focal length adjustment of the first camera 6 and the imaging stability of the first camera 6;

the matching arrangement of the second groove 222 and the second bump 521 can ensure that the front moving plate 5 can only move left and right but cannot move back and forth, and ensure the stability of the focal length adjustment of the second camera 7 and the imaging stability of the second camera 7.

As a further embodiment, the first camera 6 front end ring is provided with a first lamp bead 61, and the second camera 7 front end ring is provided with a second lamp bead 71. The first lamp bead 61 on the first camera 6 and the second lamp bead 71 on the second camera 7 can provide light, so that the adaptability of the alignment jig to the environment is improved, and the alignment jig can be used in the bright or dark environment.

As a further embodiment, the middle part of the left moving plate 4 is provided with a first camera accommodating groove 91, the first camera 6 is disposed in the first camera accommodating groove 91, the left moving plate 4 is connected with a first baffle 93 in a threaded manner, the first baffle 93 is located outside the first camera accommodating groove 91, the middle part of the front moving plate 5 is provided with a second camera accommodating groove 92, the front moving plate 5 is connected with a second baffle 94 in a threaded manner, and the second baffle 94 is located outside the second camera accommodating groove 92. As shown in fig. 3, the first baffle 93 is matched with the first camera accommodating groove 91 to facilitate positioning and mounting of the first camera 6 and facilitate disassembly and assembly; the second baffle 94 is matched with the second camera accommodating groove 92 to facilitate positioning and mounting of the second camera 7, and assembly and disassembly are facilitated. The fixing mechanism of the first camera 6 and the second camera 7 can be changed appropriately according to the use occasion, including but not limited to the fixing structure of the embodiment, so that the first camera 6 and the second camera 7 are guaranteed to be in orthogonal directions, and the problem that the cameras can only see one direction, so that vision errors are caused is avoided.

The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims

1. An alignment jig, characterized by comprising: the camera comprises a base, a right fixed plate, a rear fixed plate, a left moving plate, a front moving plate, a first camera and a second camera, wherein a sleeve hole is formed in the base, the right fixed plate is fixed to the right end of the base, the first plug block at the right end of the rear fixed plate is fixedly inserted into the third chute opening at the rear end of the right fixed plate, the first chute opening at the rear end of the left moving plate is in sliding connection with the second plug block at the left end of the rear fixed plate, the first chute opening is provided with a first fastening screw, the third plug block at the left end of the front moving plate is in sliding connection with the second chute opening at the front end of the left moving plate, the second chute opening is provided with a second fastening screw, the fourth plug block at the right end of the front moving plate is in sliding connection with the fourth chute opening at the front end of the right fixed plate, the fourth plug block at the top of the chute opening is provided with a third fastening screw, the first camera is fixedly arranged in the middle of the left moving plate, and the second camera is fixedly arranged in the middle of the front moving plate.

2. The alignment jig according to claim 1, wherein the rear fixing plate is provided with an adjusting groove, a positioning block is arranged at the front end of the rear fixing plate, the positioning block is in threaded connection with an adjusting bolt, and the adjusting bolt penetrates through the adjusting groove and is in contact with the end face of the rear fixing plate.

3. The alignment jig according to claim 1, wherein the first bottom of the sliding slot is provided with a first groove, the second bottom of the insert is provided with a first protrusion matched with the first groove, the fourth bottom of the sliding slot is provided with a second groove, and the fourth bottom of the insert is provided with a second protrusion matched with the second groove.

4. The alignment jig of claim 1, wherein the first front end ring of the camera is provided with a first lamp bead, and the second front end ring of the camera is provided with a second lamp bead.

5. The alignment jig according to claim 1, wherein a first camera accommodating groove is formed in the middle of the left moving plate, the first camera is arranged in the first camera accommodating groove, a first baffle is connected to the left moving plate in a threaded mode, the first baffle is located on the outer side of the first camera accommodating groove, a second camera accommodating groove is formed in the middle of the front moving plate, a second baffle is connected to the front moving plate in a threaded mode, and the second baffle is located on the outer side of the second camera accommodating groove.