CN221041037U

CN221041037U - Film pasting jig

Info

Publication number: CN221041037U
Application number: CN202322342573.XU
Authority: CN
Inventors: 何正鸿; 张聪; 李永帅
Original assignee: Forehope Electronic Ningbo Co Ltd
Current assignee: Forehope Electronic Ningbo Co Ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-05-28
Anticipated expiration: 2033-08-29

Abstract

The utility model provides a film pasting jig, which relates to the technical field of semiconductor packaging and comprises a carrier base, an adhesive tape sleeve, a pressing slide bar and a cutting knife, wherein a frame placing area for placing a lead frame is arranged on the carrier base, the adhesive tape sleeve is arranged on the carrier base and is close to one end of the frame placing area, the pressing slide bar is movably arranged between the adhesive tape sleeve and the frame placing area and can slide relative to the carrier base in a direction away from the adhesive tape sleeve and is used for covering an adhesive tape on the lead frame, the cutting knife is movably arranged on the carrier base and is close to the other end of the frame placing area, and the cutting knife can slide relative to the carrier base in a direction close to the adhesive tape sleeve and is used for cutting the adhesive tape. Compared with the prior art, the film sticking jig provided by the utility model has the advantages that the film cutting is realized through the cutting knife with high film cutting efficiency, meanwhile, the conveying and the lamination between the adhesive film and the lead frame can be realized through lamination, and the film sticking combination property is better.

Description

Film pasting jig

Technical Field

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

Background

In the semiconductor packaging process, a Quad Flat No-LEAD PACKAGE (Quad Flat No-lead) product generally adopts a copper frame as a substrate and a chip is attached above the copper frame, so that the function of leading out a chip circuit is realized, pins are designed on the back surface of the copper frame, and the pins on the back surface of the copper frame are required to be protected by a protective film to prevent scratches in the operation process.

In the prior art, a machine is generally adopted to carry out film pasting by automatic film pasting equipment, once the machine fails, manual film pasting is needed at the moment, an existing manual film pasting jig is needed to manually scratch a film pasting adhesive tape by using an external blade, the blade needs to be additionally placed and is easy to lose, film cutting efficiency is low, and no pressure covering mechanism is arranged between the adhesive film and a lead frame, so that film pasting combination property is poor.

Disclosure of utility model

The utility model aims to provide a film sticking jig which can realize film cutting by using a cutting knife with high film cutting efficiency, can realize lamination between a film and a lead frame and has good film sticking combination.

Embodiments of the present utility model are implemented as follows:

The utility model provides a film sticking jig, which comprises a carrier base, a tape sleeve, a pressing slide bar and a cutting knife, wherein a frame placing area for placing a lead frame is arranged on the carrier base, the tape sleeve is arranged on the carrier base and is close to one end of the frame placing area and is used for unreeling a tape, the pressing slide bar is movably arranged between the tape sleeve and the frame placing area and can slide relative to the carrier base in a direction away from the tape sleeve and is used for covering the tape on the lead frame, the cutting knife is movably arranged on the carrier base and is close to the other end of the frame placing area, and the cutting knife can slide relative to the carrier base in a direction close to the tape sleeve and is used for cutting the tape.

In an alternative embodiment, the cutting knife comprises a knife head, a cutting slide block and a cutting handle, a cutting slide way is arranged at one side edge of the carrier base, the cutting slide block is in sliding fit with the cutting slide way, the knife head is fixedly connected to one side of the cutting slide block and extends towards the other side of the carrier base, the cutting handle is arranged at one side of the cutting slide block away from the knife head and extends out of the carrier base, and the cutting slide block is used for sliding along the cutting slide way under the driving of the cutting handle so as to enable the knife head to be close to or far away from the adhesive tape sleeve and cut off the adhesive tape.

In an alternative embodiment, the carrier base is further provided with a first cutting groove and a second cutting groove, the first cutting groove is located between the frame placement area and the adhesive tape sleeve, the second cutting groove is located at one end of the frame placement area away from the adhesive tape sleeve, and the first cutting groove and the second cutting groove are both used for accommodating the cutter head, so that the cutter head cuts off the adhesive tape along the first cutting groove and the second cutting groove.

In an alternative embodiment, the press-coating slide bar comprises a press-coating bar body, a press-coating slide block and a press-coating handle, wherein a press-coating slide way is arranged at one side edge of the carrier base, the press-coating slide block is in sliding fit with the press-coating slide way, the press-coating bar body is fixedly connected to one side of the press-coating slide block and extends towards the other side of the carrier base, and is used for fixing the head of the adhesive tape, the press-coating handle is arranged at one side of the press-coating slide block away from the press-coating bar body, and the press-coating slide block is used for sliding along the press-coating slide way under the drive of the press-coating handle so as to enable the press-coating bar body to be close to or away from the adhesive tape sleeve and press-coat the adhesive tape on the lead frame.

In an alternative embodiment, the carrier base is further provided with a pressing groove, and the pressing groove is located at one end of the frame placement area, which is far away from the adhesive tape sleeve, and is used for accommodating the pressing rod body.

In an alternative embodiment, the cladding groove, the first cutting groove and the second cutting groove are parallel to each other, and the cladding groove is provided on a side of the second cutting groove away from the first cutting groove.

In an alternative embodiment, the pressing slide and the cutting slide are parallel to each other, and the pressing slide and the cutting slide are disposed on both sides of the frame placement area.

In an alternative embodiment, the frame placement area is recessed downward and formed with a frame placement groove for receiving the lead frame.

In an alternative embodiment, a plurality of reinforcing ribs are provided in the frame placement groove, the reinforcing ribs being for supporting the lead frame.

In an alternative embodiment, a tape roller is further arranged between the tape sleeve and the frame placement area, and the tape roller is used for rolling and conveying the tape.

The beneficial effects of the embodiment of the utility model include:

The embodiment of the utility model provides a film sticking jig, wherein a frame placement area is arranged on a carrier base, a lead frame can be directly placed, an adhesive tape sleeve is arranged on the carrier base and is close to one end of the frame placement area for unreeling an adhesive tape, a pressing slide bar is movably arranged between the adhesive tape sleeve and the frame placement area and can slide relative to the carrier base in a direction away from the adhesive tape sleeve for covering the adhesive tape on the lead frame and pressing the adhesive tape, a cutting knife is movably arranged on the carrier base and is close to the other end of the frame placement area, and the cutting knife can slide relative to the carrier base in a direction towards the adhesive tape sleeve for cutting the adhesive tape. When the film is actually pasted, the lead frame is put into the frame placement area, then the material discharging of the adhesive tape is realized through the adhesive tape sleeve, the head of the adhesive tape is fixed on the pressing slide rod, the pressing slide rod drives one end far away from the adhesive tape sleeve to stretch, the adhesive tape is pressed on the surface of the lead frame after the pressing slide rod reaches the other end of the frame placement area, and at the moment, the adhesive tape is cut off after the cutting knife slides to one end close to the adhesive tape sleeve, so that the film pasting is completed. Compared with the prior art, the film sticking jig provided by the utility model has the advantages that the film cutting is realized through the cutting knife with high film cutting efficiency, meanwhile, the conveying and the lamination between the adhesive film and the lead frame can be realized through lamination, and the film sticking combination property is better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a film laminating jig according to an embodiment of the present utility model under a first viewing angle;

Fig. 2 is a schematic structural diagram of the film laminating jig according to the embodiment of the present utility model under a second view angle;

fig. 3 is a schematic structural diagram of the film laminating jig according to the embodiment of the present utility model under a third view angle.

Icon:

100-film sticking jig; 110-a carrier base; 111-a frame placement groove; 113-reinforcing ribs; 130-a tape sleeve; 150-pressing and covering the slide bar; 151-press bar body; 153-press-coating the slider; 155-pressing the handle; 157-pressing the slide way; 159-pressing the grooves; 170-cutting knife; 171-cutter head; 173-cutting the slider; 175-cutting a handle; 177-cutting slide; 178-first cut groove; 179-a second cutting slot; 190-adhesive tape roll bar.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. 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.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

Referring to fig. 1 to 3, the present embodiment provides a film laminating jig 100, which can realize film cutting by using a cutting knife 170, has high film cutting efficiency, and can realize lamination between a film and a lead frame, so that the film laminating bonding property is good.

The film sticking jig 100 provided in this embodiment includes a carrier base 110, a tape sleeve 130, a pressing slide bar 150 and a cutting blade 170, wherein a frame placement area for placing a lead frame is provided on the carrier base 110, the tape sleeve 130 is provided on the carrier base 110 and is close to one end of the frame placement area for unreeling the tape, the pressing slide bar 150 is movably provided between the tape sleeve 130 and the frame placement area and can slide relative to the carrier base 110 in a direction away from the tape sleeve 130 for covering the tape on the lead frame, the cutting blade 170 is movably provided on the carrier base 110 and is close to the other end of the frame placement area, and the cutting blade 170 can slide relative to the carrier base 110 in a direction close to the tape sleeve 130 for cutting off the tape.

When the film is actually pasted, firstly, a lead frame is put into a frame placement area, then, the discharging of the adhesive tape is realized through the adhesive tape sleeve 130, the head of the adhesive tape is fixed on the pressing slide bar 150, the pressing slide bar 150 drives one end far away from the adhesive tape sleeve 130 to stretch, the adhesive tape is pressed on the surface of the lead frame after the pressing slide bar 150 reaches the other end of the frame placement area, and at the moment, the adhesive tape is cut off after the cutting knife 170 slides to one end close to the adhesive tape sleeve 130, so that the film pasting is completed.

The cutter 170 comprises a cutter head 171, a cutting slider 173 and a cutting handle 175, wherein a cutting slide 177 is arranged at one side edge of the carrier base 110, the cutting slider 173 is slidably matched with the cutting slide 177, the cutter head 171 is fixedly connected to one side of the cutting slider 173 and extends towards the other side of the carrier base 110, the cutting handle 175 is arranged at one side of the cutting slider 173 away from the cutter head 171 and extends out of the carrier base 110, and the cutting slider 173 is used for sliding along the cutting slide 177 under the driving of the cutting handle 175 so as to enable the cutter head 171 to be close to or far away from the adhesive tape sleeve 130 and cut off the adhesive tape. Specifically, the cutting slide 177 is disposed at an upper edge of the carrier base 110 and spaced apart from the frame placement area, and when the cutting blade 170 is moved, the cutting handle 175 can be held by a hand to drive the cutting slider 173 to slide along the cutting slide 177, so that the cutter head 171 is moved from one end to the other end of the frame placement area, and the adhesive tape is conveniently switched.

In this embodiment, the carrier base 110 is further provided with a first cutting groove 178 and a second cutting groove 179, where the first cutting groove 178 is located between the frame placement area and the adhesive tape sleeve 130, and the second cutting groove 179 is located at an end of the frame placement area away from the adhesive tape sleeve 130, and the first cutting groove 178 and the second cutting groove 179 are used for accommodating the cutter head 171, so that the cutter head 171 cuts the adhesive tape along the first cutting groove 178 and the second cutting groove 179. Specifically, the first cutting groove 178 and the second cutting groove 179 are parallel to each other and are located at two ends of the frame placement area, and are used for accommodating the cutter head 171, after the pressing of the adhesive tape is completed by the pressing sliding rod 150, the cutter head 171 firstly moves to the first cutting groove 178 under the driving of the cutting sliding block 173 and presses down to the first cutting groove 178 to complete cutting of the tail part of the adhesive tape, then moves to the second cutting groove 179 under the driving of the cutting sliding block 173 and presses down to the second cutting groove 179 to complete cutting of the head part of the adhesive tape, so that the size of the adhesive tape is consistent with the size of the lead frame, and then the film pasting action is completed.

The press slide bar 150 includes a press slide bar body 151, a press slide block 153 and a press handle 155, wherein a press slide 157 is provided at an edge of one side of the carrier base 110, the press slide block 153 is slidably fitted on the press slide 157, the press slide bar body 151 is fixedly connected to one side of the press slide block 153 and extends toward the other side of the carrier base for fixing a head of an adhesive tape, the press handle 155 is provided at a side of the press slide block 153 away from the press slide bar body 151, and the press slide block 153 is adapted to slide along the press slide 157 under the driving of the press handle 155 so as to make the press slide bar body 151 approach or separate from the adhesive tape sleeve 130 and press the adhesive tape on the lead frame. Specifically, the pressing slide way 157 is disposed at the lower edge of the carrier base 110 and spaced from the frame placement area, and when the pressing slide bar 150 is moved, the pressing handle 155 can be held by hand to drive the pressing slide block 153 to slide along the pressing slide way 157, so that the pressing bar body 151 moves from one end to the other end of the frame placement area, and the film covering action is completed.

In this embodiment, the carrier base 110 is further provided with a pressing groove 159, and the pressing groove 159 is located at an end of the frame placement area away from the adhesive tape sleeve 130, for accommodating the pressing rod body 151. Specifically, the pressing groove 159 is located at a side of the second cutting groove 179 away from the adhesive tape sleeve 130, and after the pressing slide bar 150 is moved in place, the pressing bar body 151 can be pressed down into the pressing groove 159, thereby further securing the pressing effect.

In the present embodiment, the pressing groove 159, the first cutting groove 178, and the second cutting groove 179 are parallel to each other, and the pressing groove 159 is provided at a side of the second cutting groove 179 away from the first cutting groove 178.

In the present embodiment, the pressing slide 157 and the cutting slide 177 are parallel to each other, and the pressing slide 157 and the cutting slide 177 are provided on both sides of the frame placement area. Specifically, the pressing slide 157 and the cutting slide 177 are respectively located at the upper and lower sides of the frame placement area, so that the cutting knife 170 and the pressing slide bar 150 can move along a straight line in the moving process, and slide smoothly.

Further, the frame placement area is recessed downward in the present embodiment and is formed with a frame placement groove 111, and the frame placement groove 111 is used for accommodating the lead frame. Specifically, the setting of the frame placing groove 111 can place the lead frame in place conveniently and rapidly, and limit the lead frame is realized, so that the lead frame is prevented from displacement in the film pasting process.

In the present embodiment, a plurality of reinforcing ribs 113 are provided in the frame placement groove 111, the reinforcing ribs 113 for supporting the lead frame. Specifically, by providing the plurality of reinforcing ribs 113, on the one hand, the structural strength of the carrier base 110 can be enhanced, and on the other hand, the function of supporting the lead frame can be achieved, and the lead frame is prevented from being completely attached to the bottom wall of the frame placement groove 111.

In this embodiment, a tape roller 190 is further provided between the tape sleeve 130 and the frame placement area, and the tape roller 190 is used to roll the transfer tape. Specifically, the adhesive tape rolling rod 190 is located at the discharging side of the adhesive tape sleeve 130, and after the adhesive tape is discharged through the adhesive tape sleeve 130, the adhesive tape enters the adhesive tape rolling rod 190, and after being output by the adhesive tape rolling rod 190, the head is fixed on the press-cover slide rod 150. The tension of the adhesive tape can be improved by the adhesive tape rolling rod 190, and the film pasting effect is ensured.

In actual use, firstly, the lead frame is placed in the frame placing groove 111, then the adhesive tape is placed on the adhesive tape sleeve 130 to finish feeding, then the adhesive tape passes through the adhesive tape rolling rod 190, the head of the adhesive tape is fixed on the pressing rod body 151, the pressing slider 153 and the pressing rod body 151 are driven to slide by the pressing handle 155, the surface of the lead frame is pressed with the adhesive tape, and then the pressing rod body 151 is pressed into the pressing groove 159, so that fixation is realized. Then, the dicing blade 170 is moved, the dicing slider 173 and the blade 171 are driven to slide by the dicing handle 175, the dicing blade moves to the first dicing groove 178 and the second dicing groove 179 respectively, and the blade 171 is pressed into the first dicing groove 178 and the second dicing groove 179 respectively, so that the adhesive tape is cut, and the attachment of the lead frame is completed.

In summary, the embodiment provides a film sticking jig 100, a frame placement area is provided on a carrier base 110, a lead frame can be directly placed, an adhesive tape sleeve 130 is provided on the carrier base 110 and is close to one end of the frame placement area for unreeling an adhesive tape, a pressing slide bar 150 is movably provided between the adhesive tape sleeve 130 and the frame placement area and can slide relative to the carrier base 110 towards a direction away from the adhesive tape sleeve 130 for covering the adhesive tape on the lead frame and pressing, a cutter 170 is movably provided on the carrier base 110 and is close to the other end of the frame placement area, and the cutter 170 can slide relative to the carrier base 110 towards the direction of the adhesive tape sleeve 130 for cutting the adhesive tape. When the film is actually pasted, firstly, a lead frame is put into a frame placement area, then, the discharging of the adhesive tape is realized through the adhesive tape sleeve 130, the head of the adhesive tape is fixed on the pressing slide bar 150, the pressing slide bar 150 drives one end far away from the adhesive tape sleeve 130 to stretch, the adhesive tape is pressed on the surface of the lead frame after the pressing slide bar 150 reaches the other end of the frame placement area, and at the moment, the adhesive tape is cut off after the cutting knife 170 slides to one end close to the adhesive tape sleeve 130, so that the film pasting is completed. Compared with the prior art, the film sticking jig 100 provided by the utility model has the advantages that the film cutting is realized through the cutting knife 170, the film cutting efficiency is high, meanwhile, the conveying and the lamination between the adhesive film and the lead frame can be realized through lamination, and the film sticking combination property is better.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a pad pasting tool, its characterized in that, includes carrier base, sticky tape sleeve, press and cover slide bar and cutting knife, be provided with on the carrier base and be used for placing lead frame's frame and place the district, the sticky tape sleeve sets up on the carrier base, and be close to the one end in frame place the district for unreel the sticky tape, press and cover the slide bar activity and set up the sticky tape sleeve with between the district is placed to the frame, and can be relative the carrier base orientation is kept away from the gliding of sticky tape sleeve's direction is used for covering the sticky tape on the lead frame, the cutting knife activity sets up on the carrier base, and be close to the other end in frame place the district, just the cutting knife can be relative the carrier base orientation is close to the gliding of sticky tape sleeve's direction is used for cutting off the sticky tape.

2. The film sticking jig according to claim 1, wherein the cutting blade comprises a cutter head, a cutting slide block and a cutting handle, a cutting slide way is arranged at one side edge of the carrier base, the cutting slide block is in sliding fit with the cutting slide way, the cutter head is fixedly connected to one side of the cutting slide block and extends towards the other side of the carrier base, the cutting handle is arranged on one side of the cutting slide block away from the cutter head and extends out of the carrier base, and the cutting slide block is used for sliding along the cutting slide way under the driving of the cutting handle so as to enable the cutter head to be close to or far away from the adhesive tape sleeve and cut off the adhesive tape.

3. The film laminating jig of claim 2, wherein the carrier base is further provided with a first cutting groove and a second cutting groove, the first cutting groove is located between the frame placement area and the tape sleeve, the second cutting groove is located at an end of the frame placement area away from the tape sleeve, and the first cutting groove and the second cutting groove are both used for accommodating the cutter head so that the cutter head cuts the tape along the first cutting groove and the second cutting groove.

4. The film laminating jig according to claim 3, wherein the pressing slide bar comprises a pressing rod body, a pressing slide block and a pressing handle, a pressing slide way is arranged at one side edge of the carrier base, the pressing slide block is in sliding fit with the pressing slide way, the pressing rod body is fixedly connected to one side of the pressing slide block and extends towards the other side of the carrier base, the pressing slide bar is used for fixing the head of the adhesive tape, the pressing handle is arranged on one side, away from the pressing rod body, of the pressing slide block, and the pressing slide block is used for sliding along the pressing slide way under the driving of the pressing handle so as to enable the pressing rod body to be close to or far away from the adhesive tape sleeve and press the adhesive tape on the lead frame.

5. The film laminating jig of claim 4, wherein the carrier base is further provided with a lamination groove, and the lamination groove is located at one end of the frame placement area away from the adhesive tape sleeve and is used for accommodating the lamination rod body.

6. The film laminating jig of claim 5, wherein the lamination groove, the first cutting groove and the second cutting groove are parallel to each other, and the lamination groove is disposed on a side of the second cutting groove away from the first cutting groove.

7. The film laminating jig of claim 4, wherein the lamination slide and the cutting slide are parallel to each other, and the lamination slide and the cutting slide are provided separately on both sides of the frame placement area.

8. The film laminating jig according to claim 1, wherein the frame placement area is recessed downward and formed with a frame placement groove for accommodating the lead frame.

9. The jig according to claim 8, wherein a plurality of reinforcing ribs for supporting the lead frame are provided in the frame placement groove.

10. The film sticking jig according to claim 1, wherein a tape roller is further provided between the tape sleeve and the frame placement area, the tape roller being for rolling and conveying the tape.