CN220606168U

CN220606168U - Glue pressing mechanism of FPC back glue sticking machine

Info

Publication number: CN220606168U
Application number: CN202322227595.1U
Authority: CN
Inventors: 黄亮晓
Original assignee: Zhuhai Shanglianfu Industrial Co ltd
Current assignee: Zhuhai Shanglianfu Industrial Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-03-15
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a glue pressing mechanism of an FPC back glue machine, which comprises a base and a door frame. The beneficial effects are that: according to the utility model, the compression roller, the silicon oil tank and the sponge are adopted, when the back of the FPC is pressed, the back of the FPC with the pasted sticker can be upwards placed into the conveying belt and placed between the partition boards, the conveying belt rotates under the drive of the driving roller to convey the FPC, when the FPC is conveyed to the lower part of the compression roller, the compression roller rotates under the drive of the driving motor to compress the sticker, the diaphragm pump pumps out the silicon oil in the silicon oil tank in the rotating process, the silicon oil is injected into the shunt box through the infusion tube, the silicon oil is shunted by the shunt box and enters the oil delivery channel, and the silicon oil penetrates into the sponge through the oil leakage hole, so that the glue sleeve is in rolling abutting connection with the sponge along with the continuous rotation of the glue sleeve, the phenomenon of adhesion with the sticker is avoided when the paper is pressed, the glue is not polluted, the continuous pressing is facilitated, and the glue pressing efficiency and the working efficiency are remarkably improved.

Description

Glue pressing mechanism of FPC back glue sticking machine

Technical Field

The utility model relates to the technical field of flexible circuit boards, in particular to a glue pressing mechanism of an FPC back glue sticking machine.

Background

The FPC is also called a flexible circuit board, is a flexible printed circuit board which is made of polyimide or polyester film and has high reliability, is called a flexible printed circuit board or FPC for short, has the characteristics of high wiring density, light weight and thin thickness, and needs to be adhered with adhesive paper when the FPC is produced.

After searching, the utility model discloses a flexible FPC back rubberizing machine rubberizing mechanism with the publication number of CN216873481U, the application proposes that in the extrusion process, the edge of gummed paper is easy to adhere with the traditional rubberizing head, the gummed paper is driven to separate from FPC in the process of upwards moving the rubberizing head, the stability and efficiency of rubberizing are affected, the mode structure of air pressure test is more complicated, the use and maintenance cost is higher, in addition, in order to avoid the FPC to move during rubberizing, the FPC is usually fixed by a clamp, the traditional clamp is troublesome to operate, the back of the FPC stuck with gummed paper is placed to the top surface of a workbench through a double-shaft gantry linear sliding table, a cylinder, an inner rod and an outer pressure head, the double-shaft gantry linear sliding table drives a sliding table moving block and a cylinder to move along the X axis and the Y axis when the rubberizing is carried out, the cylinder stretches to drive the outer pressure head and the inner rod to move along the Z axis, thereby driving the outer pressure head and the inner rod to move in the plane, the cylinder stretches to push the lifting plate, the outer pressure head and the inner rod to move downwards, the inner rod is firstly contacted with the adhesive paper, then the lifting plate continuously moves downwards to push the outer pressure head to extrude the adhesive paper, the edge of the adhesive paper is extruded, the adhesive paper is tightly adhered to the back of the FPC, then the cylinder is shortened, the lifting plate firstly drives the outer pressure head to move upwards when moving upwards, the inner rod continuously abuts against the center part of the top surface of the adhesive paper, the adhesive paper edge and the outer pressure head are prevented from being adhered to drive the adhesive paper to move upwards when moving upwards, then the cylinder is continuously shortened, the inner rod is pulled to move upwards, the whole adhesive pressing process can be completed, the adhesive paper is prevented from being separated from the FPC board in the adhesive pressing process, the adhesive pressing is more stable and reliable, meanwhile, the device is simple in structure, the maintenance and overhaul are convenient, but the application is in the process of actual use, the FPC board needs to be installed and detached one by one, the production continuity and the efficiency are relatively troublesome, simultaneously, the outer pressure head is behind the extrusion offset paper, the glue of extruding is likely to be stuck in the bottom surface of outer pressure head, when leading to next time to press the offset paper, the glue of outer pressure head bottom surface contacts with the offset paper back and adheres the offset paper, causes the offset paper to stick up the phenomenon of limit when moving on the outer pressure head, presses glue not stable high-efficient and continuous enough, can also further make the improvement.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a glue pressing mechanism of an FPC back glue sticking machine, which has the advantages of continuous glue pressing and high working efficiency, and further solves the problems in the prior art.

(II) technical scheme

In order to realize the advantages of continuous glue pressing and high working efficiency, the utility model adopts the following specific technical scheme:

the utility model provides a FPC back rubberizing machine rubberizing mechanism, includes base and portal, base both ends top surface fixed mounting has the roller frame, and installs the drive roller between the roller frame to the drive roller outside has cup jointed the conveyer belt, the bleeder vent has been seted up to the conveyer belt surface, and conveyer belt surface mounting has the baffle, and the conveyer belt runs through the portal, the inside rotation of portal is connected with the compression roller, and compression roller surface fixed cup joints the gum cover, portal top surface fixed mounting has the silicon tank, and silicon oil tank one side fixed mounting has the diaphragm pump to the diaphragm pump feed end is through liquid suction pipe and silicon oil tank through connection, the diaphragm pump feed end is through connection has the transfer line, and the transfer line runs through the portal through connection has the reposition of redundant personnel box, and the reposition of redundant personnel box surface through connection has the oil transportation passageway, oil transportation passageway other end fixed mounting has the mounting panel, and mounting panel opposite side surface fixed mounting has the oil drain hole, and the oil drain hole link up the passageway, sponge and gum cover sliding butt, portal front elevation fixed mounting has driving motor, and driving motor output and the one end fixed connection of compression roller.

Further, two compression rollers are arranged, the compression rollers are rotatably connected with the door frame through roller shafts, and the roller shafts penetrate through the door frame and are rotatably connected with the door frame through limiting bearings.

Further, the inboard mount of conveyer belt is equipped with the box of bleeding, and the gas pocket has been seted up to the box top surface of bleeding and conveyer belt inboard surface sliding butt, the box bottom surface of bleeding is connected with the gas collecting tube in a through-going manner, and the gas collecting tube other end is connected with the exhaust tube in a through-going manner, and exhaust tube one end is connected with the aspiration pump in a through-going manner.

Further, the air pump is fixedly connected with the base and is positioned on one side of the conveying belt.

Further, the spacers are arranged at equal intervals, and the height of the spacers is smaller than the thickness of the FPC.

Further, the distance between the bottom surface of the rubber sleeve and the top surface of the conveying belt is smaller than the thickness of the FPC, and the distance between the bottom surface of the pressing roller and the top surface of the conveying belt is larger than the thickness of the FPC.

Further, the length of the sponge is equal to the length of the rubber sleeve.

(III) beneficial effects

Compared with the prior art, the utility model provides the glue pressing mechanism of the FPC back glue sticking machine, which has the following beneficial effects:

(1) The utility model adopts the compression roller, the silicon oil tank and the sponge, when the back of the FPC is pressed, the back of the FPC with the sticked paper can be upwards put into the conveyer belt and put between the partition boards, the conveyer belt rotates under the drive of the driving roller to convey the FPC, when the FPC is conveyed to the lower part of the compression roller, the compression roller rotates under the drive of the driving motor to compress the stickers, the compression roller pumps out the silicon oil in the silicon oil tank in the rotating process, the silicon oil is injected into the shunt box through the infusion tube, the shunt box shunts and enters the oil delivery channel, and the silicon oil penetrates into the sponge through the oil leakage hole, and the rubber sleeve is in rolling contact with the sponge along with the continuous rotation of the rubber sleeve, so that the phenomenon of adhesion with the stickers is avoided when the stickers are pressed, the stickers are not polluted, the continuous glue pressing is facilitated, and the glue pressing efficiency and the working efficiency are remarkably improved.

(2) According to the utility model, the annular conveying belt and the air suction box are adopted, the air suction hole is formed in the top surface of the air suction box, the air holes are formed in the surface of the conveying belt, when the FPC is conveyed, the air in the air suction box is pumped out by the air pump, so that the air suction hole is in a negative pressure state, the air holes are in a negative pressure state through the air holes, the FPC positioned between the partition plates is sucked, the FPC is prevented from shaking in the conveying process of the conveying belt, the conveying stability of the FPC is improved, and when the conveying belt conveys the FPC to one end of the conveying belt, the FPC automatically falls off from the surface of the conveying belt, the trouble of disassembly of workers is avoided, and the convenience of use is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a glue pressing mechanism of an FPC back side glue machine;

fig. 2 is a front view of a glue pressing mechanism of the FPC back side glue applicator according to the present utility model;

FIG. 3 is an enlarged view of node A of the glue pressing mechanism of the FPC back glue machine;

fig. 4 is a schematic view of the installation of the sponge according to the present utility model.

In the figure:

1. a base; 2. a door frame; 3. a roller frame; 4. a driving roller; 5. a conveyor belt; 6. ventilation holes; 7. a partition plate; 8. a press roller; 9. a rubber sleeve; 10. a silicon oil tank; 11. a liquid suction pipe; 12. a shunt box; 13. a diaphragm pump; 14. an infusion tube; 15. an air extraction box; 16. an exhaust pipe; 17. a gas collecting tube; 18. an air suction hole; 19. an air extracting pump; 20. a driving motor; 21. an oil delivery passage; 22. a mounting plate; 23. a sponge; 24. and an oil leakage hole.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the utility model, a glue pressing mechanism of an FPC back side glue applicator is provided.

The utility model is further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-4, the glue pressing mechanism of the FPC back glue sticking machine according to the embodiment of the utility model comprises a base 1 and a portal 2, wherein the top surfaces of two ends of the base 1 are fixedly provided with roller frames 3, driving rollers 4 are arranged between the roller frames 3, the driving rollers 4 are driven by motors, which are common structures in the field and are not shown in the drawing, a conveying belt 5 is sleeved outside the driving rollers 4, ventilation holes 6 are formed on the surface of the conveying belt 5, the ventilation holes 6 are densely distributed, a baffle 7 is arranged on the surface of the conveying belt 5, the baffle 7 is arranged at equal intervals, the conveying belt 5 penetrates through the portal 2, a compression roller 8 is rotationally connected inside the portal 2, a glue sleeve 9 is fixedly sleeved on the outer surface of the compression roller 8, a silicon oil tank 10 is fixedly arranged on the top surface of the portal 2, silicon oil is contained inside the silicon oil tank 10, a diaphragm pump 13 is fixedly arranged on one side of the silicon oil tank 10, the liquid inlet end of the diaphragm pump 13 is in through connection with the silicone oil tank 10 through the liquid suction pipe 11, the liquid outlet end of the diaphragm pump 13 is in through connection with the liquid delivery pipe 14, the liquid delivery pipe 14 penetrates through the door frame 2 and is in through connection with the split box 12, the surface of the split box 12 is in through connection with the oil delivery channel 21, the other end of the oil delivery channel 21 is fixedly provided with the mounting plate 22, the other side surface of the mounting plate 22 is fixedly provided with the sponge 23, the surface of the mounting plate 22 is provided with the oil leakage hole 24, the oil leakage hole 24 penetrates through the oil delivery channel 21, the sponge 23 is in sliding abutting joint with the rubber sleeve 9, the front face of the door frame 2 is fixedly provided with the driving motor 20, the output end of the driving motor 20 is fixedly connected with one end of a roller shaft of the press roller 8, when the back of the FPC is pressed, the back of the FPC with the pasted sticker can be upwards put into the conveyer belt 5, the conveyer belt 5 is put between the partition plates 7, the conveyer belt 4 rotates under the driving of the driving roller 4, when carrying FPC, carry to compression roller 8 below, compression roller 8 rotates under driving motor 20's drive, compress tightly the sticker, compression roller 8 is at pivoted in-process, diaphragm pump 13 takes out the inside silicone oil of silicon oil tank 10, pour into split box 12 through transfer line 14, enter into oil transportation passageway 21 after the split box 12 reposition of redundant personnel, go deep into sponge 23 through oil drain hole 24, along with the constantly rotation of gum cover 9, gum cover 9 and sponge 23 roll the butt, scribble silicone oil, thereby can not produce the phenomenon of adhesion with the sticker when pressing the hugging closely paper, can not be stained with glue yet, be convenient for carry out the pressure in succession and glue, pressure is glued efficiency and work efficiency have been remarkably improved.

In one embodiment, two press rollers 8 are arranged, the press rollers 8 are rotationally connected with the portal 2 through roller shafts, the roller shafts penetrate through the portal 2 and are rotationally connected with the portal 2 through limiting bearings, axial movement of the press rollers 8 is avoided, and the press rollers are in a common installation mode and will not be described in detail herein.

In one embodiment, the inboard mount of conveyer belt 5 is equipped with the box 15 of taking out, and the box 15 top surface of taking out has offered the gas pocket 18, and the box 15 top surface of taking out and the inboard surface sliding butt of conveyer belt 5, be convenient for the gas pocket 18 work, the box 15 bottom surface of taking out is connected with gas collecting tube 17 in a link-up, and the gas collecting tube 17 other end is connected with exhaust tube 16 in a link-up, and exhaust tube 16 one end is connected with aspiration pump 19 in a link-up, wherein, aspiration pump 19 and base 1 fixed connection, and aspiration pump 19 are located conveyer belt 5 one side, when carrying FPC, the air in box 15 of taking out is taken out to aspiration pump 19, make the hole 18 department of taking out present negative pressure state, make bleeder vent 6 present negative pressure state through bleeder vent 6, hold and be located between baffle 7, avoid rocking at conveyer belt 5 in-process that carries, the stability of FPC carried has been improved, and conveyer belt 5 carries FPC to conveyer belt 5 one end, FPC automatic follow conveyer belt 5 surface drops, staff dismantles trouble, the convenience of using has been saved.

In one embodiment, the spacers 7 are arranged at equal intervals, and the height of the spacers 7 is smaller than the thickness of the FPC, so that the blocking gum cover 9 is prevented from being pressed.

In one embodiment, the distance between the bottom surface of the rubber sleeve 9 and the top surface of the conveyor belt 5 is less than the thickness of the FPC, and the distance between the bottom surface of the press roller 8 and the top surface of the conveyor belt 5 is greater than the thickness of the FPC, ensuring that the FPC can pass under the press roller 8 and be extruded by the rubber sleeve 9.

In one embodiment, the length of the sponge 23 is equal to the length of the rubber sleeve 9, so that the silicone oil coating efficiency is ensured.

Working principle:

when carrying out the rubberizing to the FPC back, can upwards put into conveyer belt 5 with the FPC back of pasting the sticker, put into between baffle 7, conveyer belt 5 rotates under the drive of drive roller 4, carry FPC, carry to the time of compression roller 8 below, compression roller 8 rotates under driving motor 20's drive, compress tightly the sticker, compression roller 8 is in pivoted in-process, the inside silicone oil of silicon tank 10 is taken out to diaphragm pump 13, pour into reposition of redundant personnel box 12 through transfer line 14, enter into oil transportation passageway 21 after reposition of redundant personnel box 12 reposition of redundant personnel, go deep into sponge 23 through oil drain hole 24, along with the continuous rotation of gum cover 9, gum cover 9 rolls the butt with sponge 23, scribble the silicone oil, thereby can not produce the phenomenon of adhesion with the sticker when pressing the paper, be stained with glue, be convenient for carry out the rubberizing in succession, and be showing and have improved rubberizing efficiency and work efficiency, simultaneously, during conveying FPC, pump 19 draws out the inside air of box 15, make the suction hole 18 department present negative pressure state, see through bleeder vent 6 makes FPC 6 negative pressure state, it is located in the baffle 7 to shake 5 when the conveyer belt 5 is gone out to have avoided, the stability of conveyer belt 5 is convenient for the conveyer belt to dismantle in the automatic, the improvement of the face of the conveyer belt that the trouble was dropped to the conveyer belt has been used to the FPC.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a FPC back rubberizing machine rubberizing mechanism, its characterized in that, including base (1) and portal (2), base (1) both ends top surface fixed mounting has roller frame (3), and installs drive roller (4) between roller frame (3) to drive roller (4) outside has cup jointed conveyer belt (5), bleeder vent (6) have been seted up on conveyer belt (5) surface, and conveyer belt (5) surface mounting has baffle (7) to conveyer belt (5) run through portal (2), portal (2) inside rotation is connected with compression roller (8), and compression roller (8) surface mounting cup joints gum cover (9), portal (2) top surface fixed mounting has silicon oil tank (10), and silicon oil tank (10) one side fixed mounting has diaphragm pump (13), and diaphragm pump (13) feed-in end is through pump (11) and silicon oil tank (10) through connection, diaphragm pump (13) feed-out end is connected with transfer line (14), and transfer line (14) run through portal (2) and are connected with shunt box (12) through, and shunt box (12) through surface mounting plate (21) and oil delivery channel (22) opposite side fixed mounting plate (22), oil leakage holes (24) are formed in the surface of the mounting plate (22), the oil leakage holes (24) penetrate through the oil conveying channels (21), the sponge (23) is in sliding butt joint with the rubber sleeve (9), the driving motor (20) is fixedly mounted on the front vertical surface of the door frame (2), and the output end of the driving motor (20) is fixedly connected with one end of a roller shaft of the press roller (8).

2. The glue pressing mechanism of the FPC back glue machine according to claim 1, wherein two pressing rollers (8) are arranged, the pressing rollers (8) are rotatably connected with the door frame (2) through roller shafts, and the roller shafts penetrate through the door frame (2) and are rotatably connected with the door frame (2) through limit bearings.

3. The glue pressing mechanism of the FPC back glue sticking machine according to claim 1, wherein an air extraction box (15) is arranged on an inner side fixing frame of the conveying belt (5), an air extraction hole (18) is formed in the top surface of the air extraction box (15), the top surface of the air extraction box (15) is in sliding butt joint with the inner side surface of the conveying belt (5), a gas collecting tube (17) is connected to the bottom surface of the air extraction box (15) in a penetrating mode, an air extraction tube (16) is connected to the other end of the gas collecting tube (17) in a penetrating mode, and an air extraction pump (19) is connected to one end of the air extraction tube (16) in a penetrating mode.

4. A glue pressing mechanism of an FPC back side glue applicator according to claim 3, wherein the air pump (19) is fixedly connected with the base (1), and the air pump (19) is located at one side of the conveyor belt (5).

5. The glue pressing mechanism of the back side glue applicator of the FPC according to claim 1, wherein the separation plates (7) are arranged at equal intervals, and the height of the separation plates (7) is smaller than the thickness of the FPC.

6. The glue pressing mechanism of the FPC back glue machine according to claim 1, wherein the distance between the bottom surface of the glue sleeve (9) and the top surface of the conveying belt (5) is smaller than the thickness of the FPC, and the distance between the bottom surface of the pressing roller (8) and the top surface of the conveying belt (5) is larger than the thickness of the FPC.

7. The glue pressing mechanism of the FPC back glue applicator according to claim 1, wherein the length of the sponge (23) is equal to the length of the glue sleeve (9).