KR0122200Y1 - Lead frame guide of semiconductor package equipment - Google Patents

Abstract

The present invention relates to a lead frame guide of a semiconductor manufacturing equipment, comprising a means for sliding guide each block of the lead frame guide and a means including a multi-stage cylinder drive medium to adjust the distance between each block, An object of the present invention is to provide a lead frame guide for semiconductor manufacturing equipment having a wide range of applications according to the specifications of the lead frame.

Description

Lead Frame Guide of Semiconductor Manufacturing Equipment

1 is a schematic plan view showing the position of the leadframe guide

Figure 2 (a), (b) is a perspective view showing the configuration of the lead frame guide according to the present invention

* Explanation of symbols for the main parts of the drawings

10a, 10b: Blocks 11a, 11b: Grooves

12: guide means 13: descending drive means

14: Plate 15: Guide block

16: Support bracket 17: Connection bracket

18a, 18b: front and rear drive means 19: horizontal extension

20: guide rod 100: lead frame supply part

110: lift and feed system 120: machining

130: package outlet 140: base plate

150: through hole L: lead frame

M: Magazine

The present invention relates to a lead frame guide of a semiconductor manufacturing equipment, and in particular, by configuring the lead frame guide having a limited guide width as the drive means in conjunction with the drive means, thereby allowing the allowable guide width of the magazine guide to be adjusted, various sizes It relates to a lead frame guide of the semiconductor manufacturing equipment that can be applied to various types of lead frame having.

In general, in order to manufacture a semiconductor, various processes are required, and in particular, during the assembly process, various operations such as a mold are performed, for example, a trimming / forming process for cutting a dam bar and bending a lead. In order to perform the trimming / forming process, material supply should be preceded from the lead frame supply unit, which is a previous process, and the lead frame supply unit may be equipped with several lead frames using separate transfer means. Leadframe will be supplied one by one from MAGAZINE.

On the other hand, Figure 1 shows the arrangement of the respective processes described above. That is, the right and upper sides of the drawing lead lead supply unit 100 (ON LOADER) and the lifting and feed system 110 (FLOATER FEEDING SYSTEM) 110, the center of the processing unit 120 including a trimming / forming process (TOOL SET), the left and On the lower side, a package discharge part 130 (OFF LOADER) for discharging the finished lead frame L and inserting the tube into the tube is disposed.

Here, the lead frame supply unit 100 is provided with a lead frame guide for guiding the lifting movement of the stacked lead frames.

At this time, the lead frame guide is composed of two blocks 10a and 10b facing each other, and each of the blocks 10a and 10b is set on the base plate 140 in a state set to fit the set length. It is fixed to the installation.

However, such a conventional leadframe guide has a weakness that is not applicable to all kinds of leadframes because it is fixedly installed in a state set to match one leadframe length, and when the leadframe applied is changed accordingly. Each one had the inconvenience of replacing the corresponding leadframe guide.

Accordingly, the present invention has been made in view of the above, and has a means for slidingly guiding each block of the leadframe guide and a means including a multi-stage cylinder drive medium to adjust the distance between each block. It is an object of the present invention to provide a lead frame guide of semiconductor manufacturing equipment having a wide range of applications according to the specifications of the lead frame.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The present invention is a lead frame guide of a semiconductor manufacturing equipment, the lead frame guides are positioned to face each other while maintaining a predetermined distance, each groove portion (11a), (11b) that can support the lead frame inward Two blocks 10a, 10b having a) and a rear surface of the blocks 10a, 10b, which are integrally connected with these 10a, 10b, and guide means 12 on both sides. Lifting drive means 13 for enabling the vertical movement of the blocks (10a), (10b) and the plate 14 for supporting it, and the plate (14) while supporting it 14 Including a guide block 15 for allowing the entire block 10a, 10b to slide back and forth, and a rear end supported by the support bracket 16, parallel to one side of the blocks 10a, 10b. The rod is connected to one side of the front surface of the plate 14 and the connecting bracket 17. Back and forth in both sides is integrally bound to the medium will be composed comprised of a driving means (18a), (18b).

To explain this in more detail, Figure 2 is a perspective view showing the configuration for the lead frame guide of the present invention.

Here, reference numeral 140 denotes a base plate on which the components of the magazine guide are installed, and the base plate 140 is formed with a through hole 150 serving as a lifting path of the lead frame over a predetermined area.

Also, reference numerals 10a and 10b denote respective blocks for guiding the lifting of the lead frame.

The blocks 10a and 10b are positioned at both ends of the through-hole 150 in a manner in which the inner grooves 11a and 11b respectively have their respective facings. In particular, the bottom surfaces of the blocks 10a and 10b protrude slightly from the bottom surface of the through hole 150, and each edge portion of the bottom surface is inclined at a predetermined width.

The horizontal extension piece 19 is integrally formed in the upper back part of each block 10a, 10b which is located in this way, and it guides to the guide means 12 and the elevating drive means 13 which are succeeded by using this 19. Are supported.

The elevating driving means 13 is fixed to the upper surface of the plate 14, and its operating portion is fastened to the bottom of the protruding portions of the blocks 10a and 10b. Therefore, the pair of blocks 10a and 10b can be operated up and down simultaneously by the operation of the driving means 13.

That is, two guide rods 20 are vertically arranged side by side on both sides of the horizontal extension piece 19 while the upper end thereof is fastened and fixed to the bottom surface of the horizontal extension piece 19, and each of the guide rods 20 is fixed. ) Is inserted into the guide means 12 and the rod of the elevating drive means 13 is fastened therebetween, whereby the supporting structure of the blocks 10a and 10b is made to be capable of elevating movement.

At this time, the bottom surfaces of the blocks 10a and 10b slightly protrude downward from the bottom surface of the base plate 140.

Such a pair of blocks (10a, 10b) allows the magazine (M) located at the bottom of the through hole 150 can be accurately positioned on the top of the through hole 150.

That is, after raising the block to a predetermined height through the operation of the elevating drive means 13 to accurately seat the magazine (M) on which the plurality of lead frames (L) are mounted at the bottom of the through hole (150). When the magazine M is placed in position and lowered again, the bottom surfaces of the blocks 10a and 10b simultaneously press the upper ends of the magazine M from both sides.

At this time, the upper end of the magazine (M) is firmly in close contact with the inclined surface formed on the bottom surface of the blocks (10a, 10b) so that the lead frame guide surface of the magazine (M) and the blocks (10a, 10b) exactly match Since the lifting guide of the lead frame (L) can proceed more smoothly.

In addition, reference numeral 12 is a guide means for guiding the lifting and lowering movement of the block, 13 is a lifting and lowering drive means which is a power source for raising and lowering the block.

The guide means 12 is in the form of a ball bush (BALL BUSH), it is possible to slide the guide rod 20 accommodated therein while being disposed on both sides with a cylinder, which means lifting and lowering means therebetween. Will be.

The guide means 12 and the elevating drive means 13 are mounted on the guide block 15 and are fixedly installed on the plate 14 supported at both ends thereof, and the guide block together with the plate 14 at this time. Receiving the motion guide by (15) it is possible to slide flow in the front and rear direction.

Reference numerals 18a and 18b denote forward and backward driving means for substantially moving the block.

The forward and backward driving means 18a and 18b are cylinders having a multi-step stroke range, and are positioned horizontally on one side of each of the blocks 10a and 10b in parallel with the block movement direction, and the rear support brackets ( The rear end is fastened to the front of 16) and is fixedly installed.

At this time, the rod toward the front is integrally coupled with the connecting bracket 17 mounted on the front end of one side of the plate 14, accordingly interlocking between the forward and backward driving means (18a), (18b) and the plate 14 Possible structures are achieved.

The front and rear driving means 18a and 18b are respectively disposed at positions facing each other, and both of the forward and backward driving means 18a and 18b arranged in this manner are within the set stroke range by receiving the operation start signal at the same time. Will be enabled.

For example, the forward and backward driving means 18a and 18b on both sides are set to the same stroke, so that the blocks 10a and 10b have the same movement distance and the relative direction of movement. . That is, the blocks 10a and 10b on both sides can move inward or outward at the same distance.

In particular, the strokes of the forward and backward driving means 18a and 18b are divided into several steps, and can be set to any one stroke step selected according to the type of magazine applied to the process.

Therefore, the operational effects of the present invention configured as described above are as follows.

2A shows a setting state of blocks 10a and 10b applicable to any one of the set lead frames L and the magazine M. As shown in FIG.

At this time, the lead frame (L) having a length corresponding to the interval between the two blocks (10a, 10b) is located here and can receive the lifting guide from this.

On the other hand, (b) of FIG. 2 of the accompanying drawings shows the position movement state of the blocks 10a and 10b.

When the rods of the forward and backward driving means 18a, 18b are moved forward in the direction of the arrow shown in the drawing according to a separate control signal, the plate 14 connected to the rod through the connecting bracket 17, the plate 14 The guide means 12 and the elevating drive means 13 fixedly installed at the s) and the blocks 10a, 10b integrally combined with these 12, 13 are each separated by a distance proportional to the load advance amount. Direction, for example, moves inwardly, so that both blocks 10a and 10b can be narrowed inward.

That is, the setting positions of the blocks 10a and 10b can be changed from the same position as (a) of FIG. 2 to the same position as (b).

In this case, the lifting guide of the lead frame L having a shorter length is possible.

In addition, since the stroke of the forward and backward driving means 18a, 18b of the present invention consists of several adjustable stages, it is also possible to narrow or widen the block interval in the state as shown in (b) of FIG. Ease is easy to see.

As described above, the present invention can accommodate all magazines having various sizes by adjusting the distance between the guides of lifting and lowering guides on both sides of the magazine, thereby reducing unnecessary work time due to block replacement when changing the applied leadframe. It can be completely excluded, which is an advantage that can be achieved in the process efficiency.

Claims (3)

In a lead frame guide of a semiconductor manufacturing equipment, the lead frame guides are positioned to face each other while maintaining a predetermined distance, and have respective recesses (11a) and (11b) that can support the lead frame inwardly. It is arranged on the rear surface of the two blocks 10a, 10b and the blocks 10a, 10b, and is integrally connected with these 10a, 10b, and includes the guide means 12 on both sides. Up and down drive means 13 for enabling the vertical movement of the blocks 10a and 10b, and a plate 14 supporting the block, and the plate 14 supporting the plate 14 from both sides. The guide block 15 for allowing the entire front and rear slide flow of the (10a), (10b) and the rear end is supported by the support bracket 16 while being arranged horizontally parallel to one side of the block (10a), (10b), The rod is connected to one side of the front surface of the plate 14 and the connection bracket 17. Lead frame guide of the semiconductor manufacturing equipment, characterized in that composed of forward and backward drive means (18a), (18b) of the two sides integrally coupled. According to claim 1, wherein the horizontal extension piece 19 is integrally formed on the upper rear surface of the blocks 10a, 10b, and two guide rods 20 are vertically arranged on the bottom of the horizontal extension piece 19. While the upper end is fastened and fixed at the same time is inserted and coupled so as to be in sliding contact in the guide means 12, between the guide rods 20 is provided with the elevating drive means 13, the rod is horizontal extension piece (19) Lead frame guide of the semiconductor manufacturing equipment, characterized in that the support structure and the structure capable of lifting and lowering movement at the same time is connected to the bottom surface of the block (10a, 10b) to enable the forward and backward movement. 2. The leadframe guide of claim 1, wherein the forward and backward drive means (18a, 18b) have multi-step adjustable strokes.