CN211280116U

CN211280116U - FPC covers membrane film-lifting mechanism

Info

Publication number: CN211280116U
Application number: CN201921859593.1U
Authority: CN
Inventors: 黄小平; 刘裕
Original assignee: Guangzhou Cosen Test & Measurement Co ltd
Current assignee: Guangzhou Cosen Test & Measurement Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-08-18
Anticipated expiration: 2029-10-31

Abstract

The utility model provides a FPC covers membrane film-lifting mechanism, including the film-lifting device, be used for fixing the first mount of film-lifting device, be used for driving the lead screw module that first mount removed in the horizontal direction and be used for controlling the cylinder that the film-lifting device goes up and down, the film-lifting device includes the mucosa roller and is used for the second mount of fixed mucosa roller, the mucosa roller is fixed mutually with the both ends of second mount respectively, first mount is connected with the second mount, the cylinder is fixed on first mount for it moves in the vertical direction to drive the second mount, thereby makes during operation mucosa roller press tight FPC cover membrane and move on the horizontal direction and make FPC cover membrane and base stock separation. The utility model discloses can be applied to FPC and cover in the membrane dyestripping equipment, can let FPC cover membrane and base stock separation fast to be difficult to damage FPC and cover the membrane.

Description

FPC covers membrane film-lifting mechanism

Technical Field

The utility model relates to a FPC flexible line way board technical field, concretely relates to FPC covers membrane film-rising mechanism.

Background

In the FPC flexible wiring board industry, the main function of the FPC cover film is similar to that of PCB green paint: 1) the copper foil is protected from being exposed in the air, and the oxidation of the copper foil is avoided; 2) for subsequent surface treatment, areas that do not require gold plating are covered with a CVL. 3) In the subsequent SMT, the solder mask effect is achieved.

Existing production equipment basically strips the film from a roll of backing paper, cuts it into individual sheets, and then applies it to the copper foil. And in China, due to the fact that the scale of most FPC manufacturers is small, the number of single products produced every day is small (dozens to hundreds of sheets), cost waste is caused by the fact that a roll film is used, most of the factories use single-sheet punched covering films, and the films are manually torn and then attached to copper foils, so that material loss is easily caused, and labor cost is high. Therefore, a mechanism capable of stably finishing the automatic film tearing of a single FPC cover film is urgently needed, a better film lifting mechanism is needed on the premise of automatic film tearing, and the existing problems are solved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a FPC covers membrane plays membrane mechanism makes FPC cover membrane equipment and can let FPC cover membrane and base stock separation when tearing the membrane.

The technical scheme of the utility model is realized like this:

the utility model provides a FPC covers membrane film lifting mechanism, includes the film lifting device, is used for fixing the first mount of film lifting device, is used for driving the lead screw module that first mount moved in the horizontal direction and is used for controlling the cylinder that the film lifting device goes up and down, the film lifting device includes the mucosa roller and is used for the second mount of fixed mucosa roller, the mucosa roller is fixed mutually with the both ends of second mount respectively, first mount is connected with the second mount, the cylinder is fixed on first mount for it moves in the vertical direction to drive the second mount, thereby makes during operation mucosa roller compact FPC cover membrane and move in the horizontal direction and make FPC cover membrane and base stock separation.

Further, the air cylinder comprises a first air cylinder and a second air cylinder, and the first air cylinder is used for resetting the film raising device; the second cylinder is used for enabling the adhesive film roller to tightly press the FPC covering film when the second cylinder works, and the film lifting device is released after the edge of the FPC covering film is separated from the base paper; the first cylinder and the second cylinder are respectively fixed on a first fixing frame through fixing pieces.

Furthermore, a first lifting device is arranged on the first fixing frame, the first lifting device comprises linear bearings arranged at two ends of the first fixing frame, guide rods penetrating through the linear bearings and a connecting rod used for connecting the two guide rods, and the first air cylinder drives the guide rods to lift in the linear bearings through driving the connecting rod; the other end of the linear bearing is connected with the second fixing frame.

Furthermore, the second cylinder is located above the second fixing frame, the two ends of the second cylinder are respectively provided with a second lifting device connected with the second fixing frame, and the second cylinder drives the second fixing frame to lift so that the film sticking roller presses the base paper tightly.

Furthermore, the screw rod module comprises a sliding guide rail, a sliding block, a ball screw and a stepping motor, wherein the ball screw is connected with two ends of the sliding guide rail, the sliding block is fixed on the ball screw, and the stepping motor controls the rotation of the ball screw to enable the sliding block to move on the sliding guide rail; one end of the first fixing frame is fixed with the sliding block, and the other end of the first fixing frame is provided with a supporting leg.

Furthermore, the bottom of the supporting leg is provided with a sliding rail.

Furthermore, an optical fiber sensor for detecting whether the film is formed is arranged on the second fixing frame.

Furthermore, the material of adhesive film roller is for taking viscidity silica gel.

Compared with the prior art, the utility model has the advantages of it is following: the utility model discloses a controller control mucous membrane roller's lift because the produced static ability of pressure of mucous membrane roller and little adhesion can be fine must cover FPC cover wherein one end and peel off from the body stock.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of an embodiment of the FPC cover film peeling mechanism of the present invention;

fig. 2 is an explosion structure diagram of an embodiment of the FPC cover film peeling mechanism of the present invention;

fig. 3 is a schematic structural diagram of the first lifting mechanism.

The attached drawings are as follows: 1, a film drawing device; 11 a film sticking roller; 12 a second mount; 1201 a second via; 1202 a third via; 2 a first fixing frame; 21 a first via hole; 22 supporting feet; 23 slide rails; 3, a screw rod module; 31 a slide guide; 32 slide blocks; 33 a stepping motor; 4 cylinders; 41 a first cylinder; 42 a second cylinder; 5 a first lifting device; 51 a guide bar; 52 a linear bearing; 53 connecting rods; 6 an optical fiber sensor; 7 a second lifting device; 8, fixing parts; 9 lifting area.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the embodiment of the utility model discloses a FPC covers membrane skinning mechanism, including skinning device 1, a first mount 2 for fixing skinning device 1, a cylinder 4 for driving lead screw module 3 that first mount 2 removed in the horizontal direction and being used for controlling skinning device 1 lift, skinning device 1 includes mucosa roller 11 and the second mount 12 that is used for fixed mucosa roller 11, mucosa roller 11 is fixed mutually with the both ends of second mount 12 respectively, first mount 2 is connected with second mount 12, cylinder 4 is fixed on first mount 2, a second mount 12 is used for driving moves in vertical direction, thereby make during operation mucosa roller 11 compress tightly the FPC and cover the membrane and move on the horizontal direction and make FPC cover membrane and base stock separation.

When the device works, the cylinder 4 is controlled by a PLC (not shown in the figure) to realize the lifting of the second fixing frame 12, so that the adhesive film roller 11 compresses the FPC covering film; then, the lead screw module 3 is controlled by the PLC, so that the lead screw module 3 drives the first fixing frame 2 to move in the horizontal direction, and the adhesive film roller 11 has pressure on the FPC cover film and slight adhesive force, so that static electricity is easily generated to enable the FPC cover film to be attached to the adhesive film roller 11, and the FPC cover film is separated from the base paper; after the edge of the FPC covering film is separated from the base paper, the second fixing frame 12 is controlled by the air cylinder 4 to drive the adhesive film roller 11 to rise, and the phenomenon that the FPC covering film is damaged due to the fact that the FPC covering film is attached to the adhesive film roller 11 when the first fixing frame 2 drives the second fixing frame 12 to move horizontally is avoided.

Further, the air cylinder 4 comprises a first air cylinder 41 and a second air cylinder 42, and the first air cylinder 41 is used for resetting the film raising device 1; the second air cylinder 42 is used for enabling the adhesive film roller 11 to tightly press the FPC covering film when working, and loosening the film lifting device 1 after the edge of the FPC covering film is separated from the base paper; the first cylinder 41 and the second cylinder 42 are fixed to the first fixing frame by fixing members 8, respectively.

Referring to fig. 3, the first fixing frame 2 is provided with a first lifting device 5, the first lifting device 5 includes a linear bearing 52 disposed at two ends of the first fixing frame 2, a guide rod 51 penetrating through the linear bearing, and a connecting rod 53 for connecting the two guide rods 51, and the first cylinder 41 drives the guide rod 51 to lift in the linear bearing 52 by driving the connecting rod 53; the other end of the linear bearing 52 is connected to the second fixing frame 12, and the second fixing frame 12 can drive the adhesive film roller 11 to move up and down due to the lifting of the guide rod 51.

Specifically, the second cylinder 42 is located above the second fixing frame 12, the two ends of the second cylinder 42 are respectively provided with the second lifting device 7 connected with the second fixing frame 12, and the second cylinder 42 drives the second fixing frame 12 to lift so as to enable the film sticking roller 11 to press the base paper.

Specifically, in an embodiment, the second fixing frame 12 is provided with a third through hole 1202 corresponding to the second lifting device 7, the second lifting device 7 penetrates through the third through hole 1202, and the bottom of the second lifting device 7 is fixed by a bolt so that the second lifting device 7 is limited in the third through hole 1202. Of course, the fixing manner of the second lifting device 7 is not limited thereto.

Referring to fig. 2, in an embodiment, two ends of the first fixing frame 2 are respectively provided with a first through hole 21, two ends of the second fixing frame 12 are respectively provided with a second through hole 1201, the linear bearing is disposed in the first through hole 21, and the guide rod penetrates through the linear bearing and the second through hole 1201 to be fixed to the second fixing frame. The diameter of the linear bearing 52 is larger than that of the second through hole 1201, and a lifting area 9 of the second lifting device 7 is formed between the bottom of the linear bearing 52 and the upper surface of the second fixing frame 12. The second cylinder 42 controls the second lifting device 7 to lift and lower the second fixed frame 12 in the lifting area 9.

Further, the second fixing frame 12 is provided with an optical fiber sensor 6 for detecting whether the FPC cover film is peeled.

In this embodiment, when the working is started, the adhesive film roller 11 is far away from the FPC cover film, and needs to be adjusted by a large margin by the first lifting device 5, so that the adhesive film roller 11 moves to the vicinity of one end of the FPC cover film, that is, the first fixing frame 2 is controlled by the PLC controller to drive the adhesive film roller 11 to move to the position right above one end of the FPC cover film in the horizontal direction, and then the first air cylinder 41 is controlled by the PLC controller to drive the adhesive film roller 11 to descend to the vicinity of one end of the FPC cover film by the first lifting device 5; at this time, the adhesive film roller 11 is already located near the FPC cover film, and then fine adjustment needs to be performed through the second lifting device 7 to enable the adhesive film roller 11 to press the FPC cover film, that is, the second cylinder 42 is controlled through the PLC controller, so that the second lifting device 7 drives the adhesive film roller 11 to press the FPC cover film.

After the adhesive film roller 11 compresses tightly the FPC cover film, move towards the direction of the other one end of FPC cover film through PLC controller control second mount 12 again, when optical fiber sensor 6 detected the FPC cover film edge of one end wherein and during the base stock separation, feedback signal arrives in the PLC controller, the PLC controller controls second cylinder 42 according to received feedback signal, make second elevating gear 7 loosen the FPC cover film, no longer compress tightly the FPC cover film, and reset through first cylinder 41 control first elevating gear 5, let second mount 12 drive adhesive film roller 11 get back to the home position promptly.

Specifically, the screw module 3 includes a sliding guide rail 31, a slider 32, a ball screw (not shown in the figure) and a stepping motor 33, the ball screw is connected to two ends of the sliding guide rail 31, the slider 32 is fixed to the ball screw, and the rotation of the ball screw is controlled by the stepping motor 33 to move the slider 32 on the sliding guide rail 31; one end of the first fixing frame 2 is fixed with the sliding block 32, the other end is provided with a supporting foot 22, and the bottom of the supporting foot 22 is provided with a sliding rail 23. The stepping motor 33 is controlled by the PLC controller, and sends a command through the PLC controller, so that the stepping motor 33 drives the ball screw to rotate, thereby driving the slider 32 to move horizontally on the ball screw. The slide rail 14 is matched with a rail of a film tearing device, and the first fixing frame 2 is fixed with the sliding block 32, so that when the sliding block 32 horizontally moves on the ball screw, the first fixing frame 2 is driven to move in the horizontal direction.

Furthermore, the material of the adhesive film roller 11 is adhesive silica gel, so that static electricity is easily generated between the adhesive film roller 11 and the FPC cover film under the action of pressure.

To sum up, the utility model discloses a controller control mucous membrane roller 11's lift because mucous membrane roller 11 produces electrostatic absorption under the pressure effect, in addition mucous membrane roller itself's the power of gluing a little, can be fine to cover FPC and peel off from the base stock one end wherein to be difficult to damage FPC and cover the membrane.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a FPC covers membrane film lifting mechanism, its characterized in that, includes the film lifting device, is used for fixing the first mount of film lifting device, is used for driving the lead screw module that first mount moved in the horizontal direction and is used for controlling the cylinder that the film lifting device goes up and down, the film lifting device includes the mucosa roller and is used for the second mount of fixed mucosa roller, the mucosa roller is fixed mutually with the both ends of second mount respectively, first mount is connected with the second mount, the cylinder is fixed on first mount for it moves in the vertical direction to drive the second mount, thereby makes during operation mucosa roller compact FPC cover the membrane and move on the horizontal direction and make FPC cover membrane and base stock separation.

2. The FPC coverlay film-drawing mechanism of claim 1, wherein the cylinder comprises a first cylinder and a second cylinder, the first cylinder is used for resetting the film-drawing device; the second cylinder is used for enabling the adhesive film roller to tightly press the FPC covering film when the second cylinder works, and the film lifting device is released after the edge of the FPC covering film is separated from the base paper; the first cylinder and the second cylinder are respectively fixed on a first fixing frame through fixing pieces.

3. The FPC coverlay film lifting mechanism of claim 2, wherein a first lifting device is arranged on the first fixing frame, the first lifting device comprises a linear bearing arranged at two ends of the first fixing frame, a guide rod penetrating through the linear bearing and a connecting rod for connecting the two guide rods, and the first cylinder drives the guide rod to lift in the linear bearing by driving the connecting rod; the other end of the linear bearing is connected with the second fixing frame.

4. The FPC coverfilm peeling mechanism of claim 2, wherein the second cylinder is located above the second fixing frame, two ends of the second cylinder are respectively provided with a second lifting device connected with the second fixing frame, and the second cylinder drives the second fixing frame to lift so that the adhesive film roller presses the base paper.

5. The FPC coverlay film lifting mechanism of claim 1, wherein the lead screw module comprises a sliding guide rail, a slide block, a ball screw and a stepping motor, the ball screw is connected with two ends of the sliding guide rail, the slide block is fixed on the ball screw, and the rotation of the ball screw is controlled by the stepping motor to enable the slide block to move on the sliding guide rail; one end of the first fixing frame is fixed with the sliding block, and the other end of the first fixing frame is provided with a supporting leg.

6. The FPC coverfilm peeling mechanism of claim 5, wherein a slide rail is arranged at the bottom of the supporting foot.

7. The FPC coverlay film peeling mechanism of claim 1, wherein an optical fiber sensor for detecting whether a film is peeled is disposed on the second fixing frame.

8. The FPC coverfilm peeling mechanism of claim 1, wherein the adhesive roller is made of adhesive silicone.