CN216233222U

CN216233222U - Device for limiting coiled film

Info

Publication number: CN216233222U
Application number: CN202122833532.1U
Authority: CN
Inventors: 祝涛
Original assignee: Guangzhou Yuexin Semiconductor Technology Co Ltd
Current assignee: Yuexin Semiconductor Technology Co.,Ltd.
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-08
Anticipated expiration: 2031-11-18

Abstract

The utility model provides a device for limiting a coiled film, which comprises a fixing part, a baffle and a screw, wherein the fixing part is arranged on the fixing part; the fixing part is annular, a threaded hole is formed in the fixing part, and the screw is matched with the threaded hole; one end of the separation blade is connected with the fixed part, the other end extends towards the direction of keeping away from the fixed part, the distance between the other end of the separation blade and the axle center of the fixed part is greater than the distance between the outer surface of the roll film and the axle center of the fixed part. The device can be detachably connected with the film rolling shaft rod through a screw, the film rolling is blocked through the fixing part and the blocking piece, the film rolling is prevented from sliding towards the other end of the film rolling shaft rod integrally and being deflected or arched by the stretched film rolling, and the working efficiency of the vacuum film sticking machine for wafers is improved.

Description

Device for limiting coiled film

Technical Field

The utility model relates to the technical field of vacuum film sticking machines for wafers, in particular to a device for limiting a rolled film.

Background

In the production process of the wafer, a vacuum film sticking machine is needed to cover a layer of protective film on the surface of the wafer. A film rolling shaft lever, a wafer bearing platform and a driving mechanism are arranged inside the vacuum film sticking machine; one end of the film rolling shaft lever is fixed inside the vacuum film sticking machine, and the other end of the film rolling shaft lever is suspended in the air; the film winding shaft rod is sleeved with the film winding shaft rod from the other end of the film winding shaft rod, and the film winding shaft rod can rotate the film winding shaft rod; the wafer is fixed on the wafer bearing platform; the driving mechanism stretches the roll film to cover the roll film on the surface of the wafer.

However, during the running of the vacuum laminator, the whole film roll often slides to the other end of the film roll shaft, and the stretched film roll sometimes deflects or arches, so that the vacuum laminator cannot normally operate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for limiting a rolled film, which aims to solve the technical problems that the rolled film integrally slides to the other end of a rolled film shaft rod, and the stretched rolled film deflects or arches.

In order to solve the technical problem, the utility model provides a device for limiting a coiled film, which comprises a fixing part, a baffle and a screw, wherein the fixing part is arranged on the fixing part; the fixing part is annular, a threaded hole is formed in the fixing part, and the screw is matched with the threaded hole; one end of the separation blade is connected with the fixed part, the other end extends towards the direction of keeping away from the fixed part, the distance between the other end of the separation blade and the axle center of the fixed part is greater than the distance between the outer surface of the roll film and the axle center of the fixed part.

Optionally, the number of the threaded holes formed in the fixing portion is multiple.

Optionally, the threaded holes are evenly distributed around the fixing portion.

Optionally, the number of the threaded holes is four.

Optionally, an extension line of the threaded hole passes through the center of the fixing portion.

Optionally, the number of the blocking pieces is multiple.

Optionally, the blocking pieces are uniformly distributed around the fixing portion.

Optionally, the number of the blocking pieces is four.

Optionally, the extension line of the blocking piece passes through the center of the fixing part.

Optionally, the film roll comprises a film and a shaft, the film is rolled on the shaft, the longitudinal section of the shaft is circular, and the longitudinal section of the shaft is perpendicular to the axis of the shaft; the width of the fixing part is larger than the width of the shaft of the roll film.

According to the device for limiting the rolled film, the rolled film shaft lever is detachably connected with the screw, the rolled film is blocked by the fixing part and the blocking piece, the rolled film can be effectively prevented from sliding towards the other end of the rolled film shaft lever integrally, and the stretched rolled film is prevented from deflecting or arching, so that the working efficiency of the vacuum film sticking machine for wafers is improved.

Drawings

Fig. 1 is a schematic structural diagram of a device for limiting a roll of film according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a device for limiting a rolled film according to an embodiment of the present invention, which is mounted on a shaft of the rolled film.

[ reference numerals are described below ]:

a fixed part-1, a baffle-2, a screw-3, a rolled film-4 and a rolled film shaft lever-5.

Detailed Description

To make the objects, advantages and features of the present invention more apparent, a device for limiting a roll of film according to the present invention will be described in detail with reference to the accompanying drawings. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

In the description of the present invention, the terms "first", "second", etc. are used for convenience of description and reference, but are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined by a qualifier such as "first," "second," etc., may explicitly or implicitly include one or more of that feature.

As shown in fig. 1 and fig. 2, the present embodiment provides a device for limiting a rolled film, which includes a fixing portion 1, a blocking piece 2 and a screw 3; the fixing part 1 is annular, a threaded hole is formed in the fixing part 1, and the screw 3 is matched with the threaded hole; one end of the baffle sheet 2 is connected with the fixing part 1, the other end of the baffle sheet extends towards the direction far away from the fixing part 1, and the distance between the other end of the baffle sheet 2 and the axis of the fixing part 1 is larger than the distance between the outer surface of the roll film 4 and the axis of the fixing part 1.

The screw 3 can fix the fixing part 1 on the other end of a film rolling shaft rod 5 of a vacuum film sticking machine for wafers, and one end of the film rolling shaft rod 5 is fixed in the vacuum film sticking machine; the roll film 4 is sleeved on the roll film shaft rod 5 from the other end of the roll film shaft rod 5. The fixing portion 1 and the baffle sheet 2 are close to the rolled film 4, thereby preventing the rolled film 4 from sliding entirely toward the other end of the rolled film shaft 5, and the stretched rolled film from being deflected or arched, that is, preventing the rolled film 4 from protruding. The fixing portion 1 and the side of the baffle plate 2 close to the rolled film 4 can be a plane, so that the fixing portion can be better contacted with one end of the rolled film 4. The distance between the other end of the baffle plate 2 and the axis of the fixing part 1 is larger than the distance between the outer surface of the rolled film 4 and the axis of the fixing part 1, that is, the height of the baffle plate 2 relative to the rolled film shaft rod 5 is larger than the height of the rolled film 4 relative to the rolled film shaft rod 5, so that the stretched rolled film can be prevented from deflecting or arching. When a new roll film 4 needs to be replaced, the screw 3 can be detached first, and then the fixing part 1 and the blocking piece 2 can be detached together. The screw 3 may be an elongated hexagonal socket head.

The utility model provides a carry out spacing device to rolling up membrane 4 can dismantle with rolling up membrane axostylus axostyle 5 through screw 3 and be connected, blocks through fixed part 1 and separation blade 2 and rolls up membrane 4, can effectually prevent to roll up that membrane 4 is whole to rolling up the other end of membrane axostylus axostyle 5 slip, by tensile roll membrane incline or hunch-up, has improved the work efficiency of the vacuum sticking film machine of wafer.

Alternatively, as shown in fig. 1 and 2, the number of the screw holes provided in the fixing portion 1 is plural. This makes it possible to more firmly fix the fixing portion 1 to the roll film shaft 5.

Alternatively, as shown in fig. 1 and 2, a plurality of threaded holes are uniformly distributed around the fixing portion 1. This makes it possible to evenly distribute the fastening force applied to the fixing portion 1.

Optionally, as shown in fig. 1 and 2, the number of the threaded holes is four. This enables the fixing part 1 to be firmly fixed to the film winding shaft 5.

Alternatively, as shown in fig. 1 and 2, an extension line of the screw hole passes through the center of the fixing part 1. Therefore, the threaded holes are convenient to process, and the fixing part 1 is firmly fixed on the film rolling shaft rod 5.

Optionally, as shown in fig. 1 and 2, the number of the baffle plates 2 is multiple. Thus, the plurality of baffle plates 2 can better block the roll film, and prevent the roll film from sliding to the other end of the roll film shaft 5 as a whole and the stretched roll film from deflecting or arching. Normally, the stretched film roll is perpendicular to the film roll shaft 5, and the stretched film roll is closely attached to the unstretched film roll, and if the film roll slides toward the other end of the film roll shaft 5, the stretched film roll will deflect or bow.

Optionally, as shown in fig. 1 and 2, a plurality of the blocking pieces 2 are uniformly distributed around the fixing portion 1. So that a plurality of said flaps 2 can better retain said roll of film.

Optionally, as shown in fig. 1 and 2, the number of the baffle plates 2 is four. So that a plurality of said flaps 2 can better retain said roll of film.

Alternatively, as shown in fig. 1 and 2, an extension line of the blocking sheet 2 passes through the center of the fixing portion 1. This facilitates the processing of a plurality of said rolls and allows for better retention of said rolls. The separation blade 2 can be connected with the fixing part 1 in a welding mode, and the separation blade 2 and the fixing part 1 can also be integrally formed.

Optionally, as shown in fig. 1 and 2, the rolled film includes a film and a shaft, the film is rolled on the shaft, a longitudinal section of the shaft is circular, and the longitudinal section of the shaft is perpendicular to an axis of the shaft; the width of the fixing part 1 is larger than the width of the shaft of the roll film. The width of the fixing part 1 refers to the difference between the large radius and the small radius of the circular ring. The width of the fixing part 1 is larger than that of the shaft of the rolled film, so that the fixing part 1 can block the shaft of the rolled film and prevent the fixing part 1 from being clamped into the shaft of the rolled film.

Alternatively, as shown in fig. 1 and 2, the thickness of the fixing part 1 is 0.5cm, and the thickness direction is parallel to the axial direction of the fixing part 1; the diameter of the outer ring is 10.5cm, the diameter of the inner ring is 7.5cm, the diameter of the inner ring is slightly larger than that of the film rolling shaft lever 5, and the inner ring is sleeved on the film rolling shaft lever 5 and is placed against the film rolling shaft lever; the baffle plate 2 is 0.6cm in thickness, 0.5cm in width and 6cm in length, is welded on the annular fixing part 1, and can prevent a rolled film from protruding in the process of running goods; the four internal screws 3 may be hexagon socket head cap screws of 1/16 inches.

In summary, the device for limiting the rolled film provided by the utility model is detachably connected with the rolled film shaft rod 5 through the screw 3, and the rolled film is blocked by the fixing part 1 and the blocking piece 2, so that the whole rolled film can be effectively prevented from sliding towards the other end of the rolled film shaft rod 5 and the stretched rolled film is prevented from deflecting or arching, and the working efficiency of the vacuum film sticking machine for wafers is improved.

The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the present invention.

Claims

1. A device for limiting a coiled film is characterized by comprising a fixing part, a baffle and a screw; the fixing part is annular, a threaded hole is formed in the fixing part, and the screw is matched with the threaded hole; one end of the separation blade is connected with the fixed part, the other end extends towards the direction of keeping away from the fixed part, the distance between the other end of the separation blade and the axle center of the fixed part is greater than the distance between the outer surface of the roll film and the axle center of the fixed part.

2. The apparatus for limiting the position of a rolled film as set forth in claim 1, wherein the fixing portion is provided with a plurality of screw holes.

3. The apparatus for restraining a roll of film as recited in claim 2, wherein a plurality of said threaded holes are evenly distributed around said retainer portion.

4. A device for limiting the position of a film roll according to claim 3, wherein said threaded holes are four in number.

5. The apparatus for limiting the position of a roll of film as claimed in claim 4, wherein the extension line of said threaded hole passes through the center of said fixing portion.

6. The device for restraining a rolled film as claimed in claim 1, wherein the number of the baffle plates is plural.

7. The apparatus for restraining a roll of film as recited in claim 6, wherein a plurality of said tabs are evenly distributed around said retainer portion.

8. The device for restraining a rolled film as in claim 7, wherein the number of said flaps is four.

9. The apparatus for restraining a roll of film as recited in claim 8, wherein an extension of the blocking piece passes through a center of the fixing portion.

10. The device for limiting the position of a rolled film as claimed in claim 1, wherein said rolled film comprises a film and a shaft, said film being rolled on said shaft, said shaft having a longitudinal section in the shape of a circular ring, said longitudinal section of said shaft being perpendicular to the axis of said shaft; the width of the fixing part is larger than the width of the shaft of the roll film.