CN217789997U

CN217789997U - Partial film peeling structure

Info

Publication number: CN217789997U
Application number: CN202221197874.7U
Authority: CN
Inventors: 高亚松; 张德勇
Original assignee: Dongguan Hongren Automation Equipment Technology Co ltd
Current assignee: Dongguan Hongren Automation Equipment Technology Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-11-11
Anticipated expiration: 2032-05-18

Abstract

A partial film stripping structure comprises an upper positioning piece, wherein the upper positioning piece is provided with a first long flat plate, two sides of the first long flat plate along the length direction of the first long flat plate are respectively connected with two sides of a rack, and a plurality of first positioning grooves are formed in the surface of the first long flat plate; at least one upper rolling wheel group is respectively positioned in the first positioning grooves, any upper rolling wheel group comprises a plurality of upper rolling wheels which are arranged at intervals, the arrangement direction of the plurality of upper rolling wheels is parallel to the long direction of the first long flat plate, and the axis of any upper rolling wheel is mutually crossed with the long direction of the first long flat plate to form a first acute angle, so that an upper film of a thin plate is clamped between a substrate and the plurality of upper rolling wheels, and when the thin plate is conveyed backwards from a front conveying section through a rear conveying section, the front end edge of the upper film can be smoothly and effectively upwards peeled.

Description

Partial film peeling structure

Technical Field

The present invention relates to a partial film peeling structure, and more particularly to a partial film peeling structure capable of smoothly and effectively peeling off the front edge of a film.

Background

In the manufacturing process of the printed circuit board, before the substrate is exposed, a photoresist layer and a film adhered to the surface of the photoresist layer are respectively formed on the upper surface and the lower surface of the substrate, and after the substrate is exposed, the film is stripped to expose the photoresist layer so as to carry out the subsequent developing and etching procedures. The conventional film peeling machine mainly conveys a thin plate such as the printed circuit board through a front conveying section to move along a conveying direction from front to back, the thin plate is stopped and positioned through a stopping unit, and then the thin plate is rolled on the surface of the thin film through a set of embossing wheels, so that the thin plate is continuously conveyed backwards along a rear conveying section, and the thin film with wrinkles at the front end edge is gradually peeled off through a set of sticking wheels.

By the structure of the film stripping machine, the efficiency of stripping the film can be improved really. However, in the actual process of peeling off the film, the substrate is not thick enough, so that the substrate is prone to bending and unevenness, when the long straight cylindrical adhesive wheel with the same outer diameter adheres to the film, the adhesive force of each adhering position is not completely the same, and the film cannot be peeled off gradually smoothly and comprehensively; moreover, because the film is thin and fragile, after the film is peeled off, a part of the film fragile piece still adheres to the surface of the photoresist layer, and the area of the film fragile piece is too small to be detected, and the phenomenon can cause the substrate to be scrapped in the whole manufacturing process of the printed circuit board.

SUMMERY OF THE UTILITY MODEL

Accordingly, an object of the present invention is to provide a structure different from the prior art to solve the above-mentioned drawbacks.

An object of the utility model is to provide a partial film peels off structure to can solve current the membrane machine of peeling off and peel off the in-process at the film, need through a set of knurling wheel on the film surface after the roll extrusion, produce wrinkled film with a set of adhesive wheel with the front end edge and progressively peel off again, and because straight cylindric adhesive wheel adheres to each position adhesive force of film different, the problem that the front end edge of unable smooth and easy messenger's film peeled off. In order to achieve the above object, the utility model discloses the partial film that establishes peels off the structure and connects in a frame, and the front end of frame has a preceding transport section, supplies to carry a sheet metal to make along by the direction of delivery of front end orientation rear end remove, and transport section is carried backward behind the rethread to peel off a film on the base plate upper surface of sheet metal, its main technical characterstic lies in: the partial film peeling structure comprises an upper positioning piece and at least one upper rolling wheel set. The upper positioning piece is provided with a first long flat plate, two sides of the first long flat plate along the length direction of the first long flat plate are respectively connected with two sides of the rack, and the plate surface of the first long flat plate is provided with a plurality of first positioning grooves; and at least one upper rolling wheel group is positioned in the first positioning grooves and comprises a plurality of upper rolling wheels which are arranged at intervals, the arrangement direction of the plurality of upper rolling wheels is parallel to the long direction of the first long flat plate, and the axis of any upper rolling wheel is mutually crossed with the long direction of the first long flat plate to form a first acute angle, so that the upper film is clamped between the substrate and the plurality of upper rolling wheels to peel off the front end edge of the upper film.

When the positioning device is implemented, a plurality of first protruding parts which are in the same plane are arranged on the plate surface of the first long flat plate, and the plurality of first protruding parts protrude out of the plurality of first positioning grooves respectively; the rolling wheel on arbitrary of a plurality of last rolling wheels includes that one goes up cylinder and one goes up the axostylus axostyle, goes up the cylinder cover and connects the axostylus axostyle, goes up the one end of axostylus axostyle and connects first bulge, supplies to go up the cylinder spacing in first positioning groove.

When the upper shaft rod is operated, a first annular space is formed between the inner periphery of the upper roller and the outer periphery of the upper shaft rod, and the upper shaft rod moves up and down in the first annular space.

When in use, the utility model discloses still include a drive assembly, a drive assembly connects the frame, and the setting element is connected to drive assembly's one end, supplies the drive to go up the setting element and reciprocate.

When in use, the utility model discloses still include a second drive assembly, the frame is connected to the second drive assembly, and first drive assembly is connected to the one end of second drive assembly, supplies to drive first drive assembly and reciprocates.

When in implementation, the utility model also comprises a lower positioning part which is correspondingly arranged below the upper positioning part and is provided with a second long flat plate, the two sides of the second long flat plate along the length direction of the second long flat plate are respectively connected with the two sides of the frame, the surface of the second long flat plate is provided with a plurality of second positioning grooves for positioning at least one lower rolling wheel set, the lower rolling wheel set comprises a plurality of lower rolling wheels which are arranged at intervals, the arrangement direction of the plurality of lower rolling wheels is parallel to the length direction of the second long flat plate, the axis of any lower rolling wheel is mutually crossed with the length direction of the second long flat plate to form a second acute angle, so that the lower film on the lower surface of the substrate is clamped between the substrate and the plurality of lower rolling wheels to peel off the front end edge of the lower film; one end of the second driving component is connected with the lower positioning part for driving the lower positioning part to move up and down.

When implementing, the utility model discloses still include a setting element, the setting element correspondence sets up in the below of last setting element down, the setting element has the long dull and stereotyped of second down, the long dull and stereotyped long direction both sides of edge second of second are long connect the both sides of frame respectively, be equipped with a plurality of second constant head tanks on the long dull and stereotyped face of second, supply to fix a position at least roll extrusion wheelset, roll extrusion wheelset includes a plurality of roll extrusion wheels down of interval arrangement, the parallel long dull and stereotyped long direction of the long dull and stereotyped of the parallel second of array orientation of a plurality of roll extrusion wheels, and the axis of arbitrary roll extrusion wheel and the long dull and stereotyped long direction intercrossing of second are in order to form the second acute angle down, with this lower film clamp with the base plate lower surface place in between base plate and a plurality of roll extrusion wheels down, in order to peel off the preceding terminal edge of film down.

When in use, the utility model discloses still include a second drive assembly, the frame is connected to the second drive assembly, and the setting element under the one end of second drive assembly is connected, supplies the drive to descend the setting element to reciprocate.

The utility model has the advantages that:

the utility model discloses a be equipped with an at least roll extrusion wheelset on an at least long dull and stereotyped, and the axis of arbitrary roll extrusion wheel and the long direction intercrossing of long dull and stereotyped in order to form the structure of acute angle, make the leading edge of film can smoothly just effectual separation with the base plate to do benefit to subsequent whole film and peel off the operation.

The utility model discloses can carry out the leading edge of film and peel off completely with subsequent film to through really effectual dividing worker, make the construction more specialized, and then promote the film and peel off the output quality of operation.

For further understanding of the present invention, the following preferred embodiments are provided in conjunction with the drawings and figures to explain the detailed construction of the invention and its achieved effect.

Drawings

FIG. 1 is a side view of a film stripping process of a preferred embodiment of the present invention mounted on a frame;

FIG. 2 is a top view of a film peeling process of a preferred embodiment of the present invention installed on a frame;

FIG. 3 is a perspective view of the preferred embodiment of the present invention;

FIG. 4 is a perspective view of the upper positioning member according to the preferred embodiment of the present invention;

fig. 5 is an enlarged view of a portion a of fig. 4;

fig. 6 is a cross-sectional view of portion B of fig. 4;

FIG. 7 is a perspective view of a lower positioning member according to a preferred embodiment of the present invention;

fig. 8 is a schematic view illustrating a usage state of the first driving assembly and the second driving assembly respectively moving the upper positioning member and the lower positioning member according to a preferred embodiment of the present invention.

Description of reference numerals:

1: a partial film take-off structure; 11: a frame; 12: a thin plate; 121: a substrate; 122: coating a thin film; 123: a lower film; 13: a front conveying section; 14: a rear conveying section; 2: an upper positioning member; 21: a first long flat plate; 22: a first positioning groove; 23: a first projecting portion; 24: a first drive assembly; 3: an upper rolling wheel set; 31: rolling wheels are arranged; x: the axis of the upper rolling wheel; y: a long direction of the first long flat plate; θ 1: a first acute angle; 32: an upper roller; 33: an upper shaft lever; 331: a long gap; 34: a first annular space; 35: an annular gasket; 4: a lower positioning member; 41: a second long flat plate; 42: a second positioning groove; 43: a second drive assembly; 5: a lower rolling wheel set; 51: a rolling wheel is arranged; x1: the axis of the lower rolling wheel; y1: the length direction of the second long flat plate; θ 2: a second acute angle.

Detailed Description

Referring to fig. 1, 2 and 3, a partial film peeling structure 1 of the present invention is for peeling a front edge of at least one film of a sheet 12 on a frame 11, wherein one end of the input sheet 12 of the frame 11 is defined as a front end of the frame 11, one end of the output sheet 12 is defined as a rear end of the frame 11, the front end of the frame 11 has a front conveying section 13, the rear end of the frame 11 has a rear conveying section 14, the front conveying section 13 and the rear conveying section 14 are respectively composed of a plurality of rollers horizontally spaced, and the conveying sheet 12 moves along the front end of the frame 11 toward the rear end.

Please refer to fig. 3 to 8, which are preferred embodiments of the partial film peeling structure 1 of the present invention, and mainly include an upper positioning member 2, at least one upper rolling wheel set 3, a lower positioning member 4, and at least one lower rolling wheel set 5. The upper positioning member 2 is a rectangular frame, the upper positioning member 2 has a first long flat plate 21, a plurality of first positioning slots 22 arranged at intervals are arranged on the plate surface of the first long flat plate 21, and a plurality of protruding pieces in the same plane are arranged on the plate surface of the first long flat plate 21, the protruding pieces are used as first protruding parts 23, and the plurality of first protruding parts 23 protrude from the plurality of first positioning slots 22 respectively, so that the first positioning slots 22 are in a concave shape. The two sides of the first long flat plate 21 along the length direction Y of the first long flat plate are respectively connected with the upper ends of a piston group for moving the upper positioning member 2 up and down, and the two piston groups are combined to form a first driving assembly 24.

The upper rolling wheel group 3 has three rows, and in the implementation, the upper rolling wheel group 3 can also be one row or more than one row. Any one upper rolling wheel group 3 comprises a plurality of upper rolling wheels 31 which are arranged at intervals, the arrangement direction of the plurality of upper rolling wheels 31 is parallel to the long direction Y of the first long flat plate, and the axis X of any one upper rolling wheel is intersected with the long direction Y of the first long flat plate to form a first acute angle theta 1. Any upper rolling wheel 31 comprises an upper roller 32 and an upper shaft 33, the upper roller 32 is sleeved on the upper shaft 33, a first annular space 34 is formed between the inner periphery of the upper roller 32 and the outer periphery of the upper shaft 33, and the upper shaft 33 can move up and down in the first annular space 34; the bottom of one end of the upper shaft rod 33 has a long notch 331, for overlapping the first protrusion 23, so that the upper shaft rod 33 and the first protrusion 23 are accommodated in the upper roller 32 at the same time, and after one end of the upper shaft rod 33 is locked and connected to the plate surface of the first long flat plate 21, the upper shaft rod 33 can strongly support the upper roller 32; when the upper roller 32 is limited in the first positioning groove 22, the upper and lower ends of the upper roller 32 protrude from the upper plate surface and the lower plate surface of the first long flat plate 21, respectively. In addition, an annular spacer 35 is sleeved on the upper shaft 33 and located on an end surface of the upper roller 32, thereby providing a buffering effect to prolong the service life of the upper roller 32.

The lower positioning part 4 is a rectangular frame body, the lower positioning part 4 is correspondingly arranged below the upper positioning part 2, the lower positioning part 4 is provided with a second long flat plate 41, the second long flat plate 41 is parallel to the first long flat plate 21 of the upper positioning part 2, a plurality of second positioning grooves 42 are arranged on the surface of the second long flat plate 41 to position three rows of lower rolling wheel sets 5, and during implementation, the lower rolling wheel sets 5 can also be one row or more than one row. Any one of the lower rolling wheel sets 5 includes a plurality of lower rolling wheels 51 arranged at intervals, the arrangement direction of the plurality of lower rolling wheels 51 is parallel to the long direction Y1 of the second long flat plate, and the axis X1 of any one of the lower rolling wheels and the long direction Y1 of the second long flat plate are intersected with each other to form a second acute angle θ 2. The two sides of the second long flat plate 41 along the length direction Y1 of the second long flat plate are respectively connected to the upper ends of a piston group at the two sides of the frame 11, so that the lower positioning element 4 moves up and down, and the two piston groups are combined to form a second driving assembly 43. The upper end of the second driving assembly 43 is connected to the first driving assembly 24, so as to drive the first driving assembly 24 and the upper positioning member 2 to move up and down synchronously. In practice, the first driving assembly 24 and the second driving assembly 43 may be respectively connected to two sides of the frame 11 to respectively drive the upper positioning member 2 and the lower positioning member 4 to move up and down, so as to respectively adjust the pressure applied by the upper rolling wheel 31 and the lower rolling wheel 51 to the thin plate 12.

Therefore, when the thin plate 12 is a flat plate such as a printed circuit board, it mainly includes a substrate 121, an upper film 122 is disposed on the upper surface of the substrate 121, and a lower film 123 is disposed on the lower surface of the substrate 121. A sheet 12 is sandwiched between the plurality of upper rolling wheels 31 and the plurality of lower rolling wheels 51 and is transported from the front transport section 13 back toward the rear transport section 14, such that the upper film 122 is sandwiched between the base plate 121 and the plurality of upper rolling wheels 31, and the lower film 123 is sandwiched between the base plate 121 and the plurality of lower rolling wheels 51. In the process that the sheet 12 moves horizontally and the upper film 122 and the lower film 123 contact the plurality of upper rolling wheels 31 and the plurality of lower rolling wheels 51, respectively, by the structures of the obliquely arranged rotating rollers, the upper rolling wheels 31 can generate larger frictional resistance and torque which is lifted up in a rotating manner, and the lower rolling wheels 51 can generate larger frictional resistance and torque which is lifted up in a rotating manner, so that the front end edges of the upper film 122 and the lower film 123 can be peeled off respectively.

To sum up, the utility model discloses a each rotation cylinder structure that the slant set up can make each rolling wheel produce great frictional resistance respectively and rotate the torsion of lifting downwards to peel off the leading edge of an at least film. And aiming at the thin plate with uneven bending, the force for lifting the front end edge of the film can be generated in each section through the rolling wheels arranged at intervals, and the front end edge of the film can be smoothly and effectively stripped completely by matching with the structure that each rolling wheel moves up and down for fine adjustment, so that the subsequent integral film stripping operation is facilitated.

Although the present invention has been described with reference to specific preferred embodiments for achieving the above objects, it is not intended to limit the present invention to the specific features of the present invention, and it should be understood by those skilled in the art that any changes or modifications that can be easily conceived are possible and covered by the claims of the present invention.

Claims

1. A partial film peeling structure attached to a frame, the frame having a front conveying section at a front end thereof for conveying a sheet to move in a conveying direction from the front end toward a rear end, and being conveyed backward by a rear conveying section to peel an upper film on an upper surface of a substrate of the sheet, the partial film peeling structure comprising:

the upper positioning piece is provided with a first long flat plate, two sides of the first long flat plate along the length direction of the first long flat plate are respectively connected with two sides of the rack, and the plate surface of the first long flat plate is provided with a plurality of first positioning grooves; and

the upper rolling wheel set is positioned in the first positioning grooves and comprises a plurality of upper rolling wheels which are arranged at intervals, the arrangement direction of the plurality of upper rolling wheels is parallel to the long direction of the first long flat plate, the axis of any one upper rolling wheel is mutually crossed with the long direction of the first long flat plate to form a first acute angle, and the upper film is clamped between the substrate and the plurality of upper rolling wheels to strip the front end edge of the upper film.

2. The partial film peeling structure of claim 1, wherein the first long flat plate has a plurality of first protrusions formed on a surface thereof, the first protrusions protruding from the first positioning grooves; any upper rolling wheel of the plurality of upper rolling wheels comprises an upper roller and an upper shaft rod, the upper roller is sleeved with the upper shaft rod, and one end of the upper shaft rod is connected with the first protruding part to limit the upper roller in the first positioning groove.

3. The partial film peeling structure of claim 2, wherein a first annular space is defined between an inner circumferential edge of the upper roller and an outer circumferential edge of the upper shaft, and the upper shaft moves up and down in the first annular space.

4. The partial film peeling structure of claim 1, further comprising a first driving assembly, wherein the first driving assembly is connected to the frame, and one end of the first driving assembly is connected to the upper positioning member for driving the upper positioning member to move up and down.

5. The partial film peeling structure of claim 4, further comprising a second driving assembly, wherein the second driving assembly is connected to the frame, and one end of the second driving assembly is connected to the first driving assembly for driving the first driving assembly to move up and down.

6. The structure of claim 5, further comprising a lower positioning member disposed below the upper positioning member, wherein the lower positioning member has a second long plate, two sides of the second long plate along the length direction of the second long plate are respectively connected to two sides of the frame, a plurality of second positioning grooves for positioning at least one lower rolling wheel set are disposed on the second long plate, the lower rolling wheel set includes a plurality of lower rolling wheels arranged at intervals, the arrangement direction of the plurality of lower rolling wheels is parallel to the length direction of the second long plate, the axis of any one of the lower rolling wheels intersects with the length direction of the second long plate to form a second acute angle, and a lower film on the lower surface of the substrate is sandwiched between the substrate and the plurality of lower rolling wheels to peel off the front edge of the lower film; one end of the second driving component is connected with the lower positioning component for driving the lower positioning component to move up and down.

7. The structure of stripping off partial films according to any one of claims 1 to 4, further comprising a lower positioning member disposed under the upper positioning member, the lower positioning member having a second long flat plate, two sides of the second long flat plate along the length direction of the second long flat plate are respectively connected to two sides of the rack, a plurality of second positioning grooves for positioning at least one lower rolling wheel set are disposed on the plate surface of the second long flat plate, the lower rolling wheel set includes a plurality of lower rolling wheels arranged at intervals, the arrangement direction of the plurality of lower rolling wheels is parallel to the length direction of the second long flat plate, the axis of any one of the lower rolling wheels and the length direction of the second long flat plate intersect with each other to form a second acute angle, and a lower film on the lower surface of the substrate is sandwiched between the substrate and the plurality of lower rolling wheels to strip the front end edge of the lower film.

8. The partial film peeling structure of claim 7, further comprising a second driving assembly, wherein the second driving assembly is connected to the frame, and one end of the second driving assembly is connected to the lower positioning member for driving the lower positioning member to move up and down.