CN217790011U

CN217790011U - Partial film peeling structure

Info

Publication number: CN217790011U
Application number: CN202221209517.8U
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 at least one film stripping unit, wherein each film stripping unit comprises an upper bracket, at least one upper suspension arm and a first driving piece, and the upper bracket is connected to a rack; one end of at least one upper cantilever is pivoted with the upper bracket, the middle section of the upper cantilever is provided with a supporting part, and the other end of the upper cantilever is provided with a lower hook part; the first driving part is connected with the upper support, the lower end of the first driving part is provided with a suspension part, and the suspension part is connected with the supporting part and is used for suspending a lower hook part which moves upwards to the upper cantilever.

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 by 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, it is found that the substrate is not thick, and is prone to have a phenomenon of bending and unevenness, and when the long and straight cylindrical adhesive wheels with the same outer diameter adhere the film, the adhesive force at 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 stripping structure to can solve current the membrane machine of shelling and peel off the in-process at the film, need through a set of embossing wheel on the film surface after the roll extrusion, progressively peel off with a set of glutinous wheel with the front end edge production wrinkled film again, and because the straight cylindric glues each position adhesion force difference of sticking the film of wheel, the problem that the front end edge of unable smooth and easy messenger's film peeled off. For reaching above-mentioned utility model's mesh, the utility model discloses the partial film that establishes peel off the structure and connect 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 front end towards the direction of delivery of rear end to remove, and transport section is carried backward behind a 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 at least one film peeling unit, and each film peeling unit comprises an upper support, at least one upper suspension arm and a first driving piece. Wherein the upper bracket is connected to the frame; one end of at least one upper cantilever is pivoted with the upper bracket, the middle section of the upper cantilever is provided with a supporting part, the other end of the upper cantilever is provided with a lower hook part, and the lower hook part is downwards pressed against the upper surface of the substrate so as to strip the front end edge of the upper film; the first driving part is connected with the upper bracket, the lower end of the first driving part is provided with a suspension part, and the suspension part is connected with the supporting part and is used for suspending a lower hook part which moves the upper cantilever upwards.

In practice, the two upper suspension arms are connected with two ends of the suspension part. The upper cantilever comprises an upper connecting piece and an upper rotating piece, one end of the upper connecting piece is pivoted with the upper support, the upper connecting piece is provided with a supporting part, the other end of the upper connecting piece is connected with one end of the upper rotating piece in a releasable mode, and the other end of the upper rotating piece is provided with a lower hook part.

When the device is used, the lower hook part is connected with the other end of the upper rotating part in a releasable mode, the lower hook part and the conveying direction of the thin plate form an acute angle, and the lower hook part is provided with a lower tip part.

When in implementation, the utility model discloses still include one and go up the unit of blowing, go up the unit connection frame of blowing, and go up the unit of blowing and be located the top of back transport section for the orientation of colluding portion down blows off the air.

When in use, the utility model also comprises a lower bracket, at least one lower cantilever and a second driving piece, wherein the lower bracket is connected with the frame and is correspondingly arranged below the upper bracket; one end of the lower cantilever is pivoted with the lower bracket, the middle section of the lower cantilever is provided with a limiting part for positioning an elastic piece, the other end of the lower cantilever is provided with an upper hook part, and the upper hook part upwards supports against the lower surface of the substrate so as to peel the front end edge of a lower film on the lower surface of the substrate; the second driving part is connected with the lower bracket, the upper end of the second driving part is provided with a pushing part, and the pushing part is connected with the elastic part and used for pushing and pressing an upper hook part of the upper cantilever to move upwards.

In practice, the two lower cantilevers are respectively connected to two ends of the pushing part. Any cantilever includes connecting piece and a piece that rotates down, and the one end pin joint lower carriage of connecting piece down, and the connecting piece has spacing portion down, and the other end of connecting piece is connected the one end of rotating piece down with the mode that can loosen and release down, and the other end of rotating piece down has the portion of colluding on.

When the device is implemented, the upper hook part is connected with the other end of the lower rotating part in a releasable mode, the conveying direction of the upper hook part and the thin plate is an acute angle, and the upper hook part is provided with an upper tip part.

When in use, the utility model discloses still include the unit of blowing down, the unit connection frame of blowing down, the unit of blowing down is located the below of back conveying section for blow off the air towards the direction of upwards colluding the portion.

The utility model has the advantages that:

the utility model discloses be equipped with an at least film on a frame and peel off the unit, peel off at least one through an at least film and collude the surface that the portion supported and pressed the base plate on the unit to this peels off the structure of film front end edge, makes the smooth and easy and effectual separation of front end edge ability and base plate of film, in order to do benefit to subsequent whole film and peel off the operation.

The utility model discloses can carry out the front end border of film and peel off completely with subsequent film to through really effectual division of labor, 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 schematic perspective view of a rack mounted with a preferred embodiment of the present invention;

FIG. 2 is a perspective view of a film peeling unit according to a preferred embodiment of the present invention;

fig. 3 is a perspective view of the upper bracket according to the preferred embodiment of the present invention;

fig. 4 is a perspective view of a part of the upper bracket according to the preferred embodiment of the present invention;

fig. 5 is a perspective view of the lower frame according to the preferred embodiment of the present invention;

fig. 6 is a perspective view of a partial structure of the lower frame according to the preferred embodiment of the present invention;

FIG. 7 is a sectional view of the preferred embodiment of the present invention;

fig. 8 is a schematic view illustrating a usage status of the present invention.

Description of the reference numerals:

1: a partial film take-off structure; 10: a film peeling unit; 11: a frame; 12: a thin plate; 121: a substrate; 122: coating a film; 123: a lower film; 13: a front conveying section; 14: a rear conveying section; 2: an upper bracket; 21: positioning the side plate; 22: a first pivot; 3: an upper cantilever; 31: an upper connecting member; 311: a support portion; 32: an upper rotating member; 321: a lower hook part; 322: a lower tip portion; 4: a first driving member; 41: a suspending part; 411: a horizontal bar; 412: a vertical rod; 413: a straight rod; 5: an upper blowing unit; 6: a lower bracket; 61: positioning a plate; 62: a second pivot; 7: a lower cantilever; 71: a lower connecting piece; 711: a limiting part; 712: an elastic member; 72: a lower rotating member; 721: an upper hook part; 722: an upper tip portion; 8: a second driving member; 81: a pressing section; 9: and a lower blowing unit.

Detailed Description

The utility model discloses a partial film peeling structure mainly comprises at least one film peeling unit 10, wherein any film peeling unit comprises an upper bracket, at least one upper suspension arm and a first driving piece, and the upper bracket is connected on a frame; one end of at least one upper cantilever is pivoted with the upper bracket, the middle section of the upper cantilever is provided with a supporting part, and the other end of the upper cantilever is provided with a lower hook part; the first driving part is connected with the upper support, the lower end of the first driving part is provided with a suspension part, and the suspension part is connected with the supporting part and is used for suspending a lower hook part which moves upwards to the upper cantilever.

Referring to fig. 1 to 8, a partial film peeling structure 1 according to a preferred embodiment of the present invention includes a plurality of film peeling units 10, the film peeling units 10 are transversely arranged on a same horizontal plane, and an arrangement direction of the film peeling units 10 is perpendicular to a conveying direction of a sheet 12 for peeling a front edge of at least one film of the sheet 12 on a frame 11. Wherein, one end of the input sheet 12 of the frame 11 is defined as the front end of the frame 11, one end of the output sheet 12 is defined as the 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 arranged at intervals and used for conveying the sheet 12 to move along the front end of the frame 11 towards the rear end.

The film peeling unit 10 mainly includes an upper frame 2, at least one upper cantilever 3, a first driving member 4, an upper blowing unit 5, a lower frame 6, at least one lower cantilever 7, a second driving member 8, and a lower blowing unit 9. The upper bracket 2 is a rectangular frame, the upper bracket 2 is connected to the frame 11, and one end of the upper bracket 2 extends downward to form a positioning side plate 21 for respectively pivoting two ends of a first pivot 22 and accommodating the first pivot 22 in the frame.

One end of each of the two upper suspension arms 3 is connected to a first pivot 22, so that the two upper suspension arms 3 and the first pivot 22 rotate in the upper frame 2 at the same time. The two upper cantilevers 3 are parallel to each other and each include an upper connecting member 31 and an upper rotating member 32. Taking one set of the upper connecting member 31 and the upper rotating member 32 as an example, the upper connecting member 31 is a long flat plate, one end of the upper connecting member 31 is connected to the first pivot 22 to pivotally connect to the upper bracket 21, an arc-shaped groove with an open bottom is formed in the middle section of the upper connecting member 31 and serves as a supporting portion 311, and the other end of the upper connecting member 31 is releasably locked to one end of the upper rotating member 32; the upper rotating member 32 is an L-shaped flat plate, the other end of the upper rotating member 32 is releasably locked to a square plate, the square plate is used as the lower hook portion 321, the lower hook portion 321 and the conveying direction of the thin plate 12 form an acute angle, a sharp corner of the lower hook portion 321 protrudes downward in a direction away from the upper rotating member 32, and the sharp corner is used as the lower tip portion 322.

The first driving member 4 is a piston assembly, the first driving member 4 is connected above the upper bracket 2, the lower end of the first driving member 4 has a suspension portion 41, the suspension portion 41 has a horizontal rod 411 and a vertical rod 412 extending downward from one end of the horizontal rod 411. The lower end of the first driving member 4 is locked to the horizontal bar 411, the vertical bar 412 is inverted T-shaped, the bottom end of the vertical bar 412 is provided with a horizontal straight bar 413, and the top end of the straight bar 413 is arc-shaped and is used for contacting the supporting parts 311 of the two upper connecting members 31 upwards and hanging to move the lower hook parts 321 of the two upper cantilevers 3 upwards. And the upper air-blowing unit 5 is connected to the frame 11, and the upper air-blowing unit 5 is located above the rear conveying section 14 to blow air in a direction toward the lower hook 321.

The lower frame 6 is a rectangular frame, the lower frame 6 is connected to the frame 11 and is correspondingly disposed below the upper frame 2, and a positioning plate 61 extends upward from one end of the lower frame 6 for respectively pivotally connecting two ends of a second pivot 62 and accommodating the second pivot 62 in the frame. One end of each of the two lower cantilevers 7 is connected to the second pivot 62, so that the two lower cantilevers 7 and the second pivot 62 rotate in the lower bracket 6 at the same time. The two lower cantilevers 7 are parallel to each other and respectively include a lower connecting member 71 and a lower rotating member 72. Taking one set of the lower connecting member 71 and the lower rotating member 72 as an example, the lower connecting member 71 is a long flat plate, one end of the lower connecting member 71 is connected to the second pivot 62 to pivotally connect the lower bracket 6, the middle section of the lower connecting member 71 has a long groove with an open bottom, a lower protruding piece is arranged in the long groove, the lower protruding piece is used as a limiting part 711 for positioning the top end of a compression spring, and the compression spring is used as an elastic member 712; the other end of the lower link 71 releasably locks one end of the lower rotating member 72; the lower rotating member 72 is an L-shaped flat plate, the other end of the lower rotating member 72 is releasably locked to a square plate, the square plate serves as an upper hook portion 721, the upper hook portion 721 forms an acute angle with the conveying direction of the sheet 12, a sharp angle of the upper hook portion 721 protrudes downward in a direction away from the lower rotating member 72, and the sharp angle serves as an upper tip portion 722.

The second driving member 8 is a piston set, the second driving member 8 is connected below the lower frame 6, the upper end of the second driving member 8 has a pushing portion 81, the pushing portion 81 is a T-shaped plate, and the pushing portion 81 upwardly supports the bottom ends of the two elastic members 712 to upwardly move the upper hook portions 721 of the two lower cantilevers 7. And a lower air blowing unit 9 is connected to the frame 11, the lower air blowing unit 9 being located below the rear conveying section 14 for blowing air in a direction toward the upper hook portion 721.

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 thin plate 12 is transported backward from the front transport section 13 to the rear transport section 14, such that the two lower hooks 321 of the two upper cantilevers 3 simultaneously press downward against the upper surface of the substrate 121 by gravity, the two upper hooks 721 of the two lower cantilevers 7 press upward against the lower surface of the substrate 121 by elastic force, and the front edges of the upper film 122 and the lower film 123 can be peeled off by blowing air from the upper blowing unit 5 and the lower blowing unit 9, respectively. When the first driving element 4 and the second driving element 8 respectively move the suspending portion 41 upward and the pushing portion 81 downward, the two upper cantilevers 3 and the two lower cantilevers 7 are respectively driven, so that the two lower hooks 321 are separated from the upper surface of the substrate 121, and the two upper hooks 721 are separated from the lower surface of the substrate 121.

To sum up, the utility model discloses it peels off unit 10 to be equipped with an at least film on a frame to peel off unit 10 and be equipped with an at least portion that colludes on an at least film, through the surface of pressing base plate 121 that supports of an at least portion that colludes, can 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 thin film can be generated in each section through the plurality of hook parts arranged at intervals, and the front end edge of the thin film can be smoothly and effectively completely stripped by matching with a structure that the upper cantilever 3 and the lower cantilever 7 can be moved up and down for fine adjustment respectively, so that the subsequent whole thin film stripping operation is facilitated.

Although the present invention has been described in connection with the preferred embodiments for achieving the above objects, it is not intended to limit the present invention to the specific construction, and it should be understood by those skilled in the art that any changes or modifications that can be easily conceived can be made without departing from the spirit of the present invention, and all such changes and modifications are encompassed by the present invention.

Claims

1. A partial film peeling structure, which is connected to a frame, the frame having a front conveying section at a front end thereof for conveying a sheet so as to move in a conveying direction from the front end toward a rear end, and then being conveyed backward by a rear conveying section to peel an upper film from an upper surface of a substrate of the sheet, the partial film peeling structure comprising at least one film peeling unit, the film peeling unit comprising:

the upper bracket is connected to the rack;

at least one upper cantilever, one end of which is pivoted with the upper bracket, the middle section of the upper cantilever is provided with a supporting part, the other end of the upper cantilever is provided with a lower hook part, and the lower hook part is downwards pressed against the upper surface of the substrate to strip the front end edge of the upper film; and

the lower end of the first driving piece is provided with a suspension part which is connected with the supporting part and is suspended to move the lower hook part of the upper suspension arm upwards.

2. The partial film peeling structure of claim 1, wherein the upper suspension arm has two, and two of the upper suspension arms are connected to two ends of the suspension portion.

3. The structure of claim 1, wherein the upper arm comprises an upper connecting member and an upper rotating member, one end of the upper connecting member is pivotally connected to the upper frame, the upper connecting member has the supporting portion, the other end of the upper connecting member is releasably connected to one end of the upper rotating member, and the other end of the upper rotating member has the lower hook portion.

4. The partial film peeling structure of claim 3, wherein the lower hook portion is releasably connected to the other end of the upper rotating member, the lower hook portion forms an acute angle with the conveying direction of the sheet, and the lower hook portion has a lower pointed end.

5. The partial film peeling structure of claim 1, further comprising an upper blowing unit connected to the frame and located above the rear conveying section to blow air in a direction toward the lower hook.

6. The partial film peeling structure of any one of claims 1 to 5, further comprising a lower bracket, at least one lower cantilever and a second driving member, wherein the lower bracket is connected to the frame and is correspondingly disposed below the upper bracket; one end of the lower cantilever is pivoted with the lower bracket, the middle section of the lower cantilever is provided with a limiting part, the limiting part is used for positioning an elastic piece, the other end of the lower cantilever is provided with an upper hook part, and the upper hook part upwards supports against the lower surface of the substrate to peel off the front end edge of a lower film on the lower surface of the substrate; the second driving member is connected with the lower bracket, the upper end of the second driving member is provided with a pushing part, and the pushing part is connected with the elastic member and pushes to move the upper hook part of the upper cantilever upwards.

7. The structure of claim 6, wherein the lower arms have two arms, and the two arms are connected to two ends of the pressing portion.

8. The partial film peeling structure of claim 6, wherein the lower arm comprises a lower connecting member and a lower rotating member, one end of the lower connecting member is pivotally connected to the lower frame, the lower connecting member has the limiting portion, the other end of the lower connecting member is releasably connected to one end of the lower rotating member, and the other end of the lower rotating member has the upper hook portion.

9. The partial film peeling structure of claim 8, wherein the upper hook portion is releasably connected to the other end of the lower rotating member, the upper hook portion is at an acute angle to the feeding direction of the sheet, and the upper hook portion has an upper pointed end.

10. The partial film peeling structure of claim 6, further comprising a lower blowing unit connected to the frame, the lower blowing unit being located below the rear conveying section to blow air in a direction toward the upper hook.