Film tearing and rubberizing device for PCB (Printed Circuit Board)

Abstract

The utility model relates to the technical field of PCB (printed circuit board) production, and discloses a film tearing and rubberizing device for a PCB, which comprises a rack, two ends of the inner side of the rack are rotatably connected with conveying rollers for conveying the PCB, the two conveying rollers are in transmission connection through a belt, the outer side of the rack is fixedly provided with a motor, and the motor is fixedly connected with the rack. An output shaft of the motor is fixedly connected with one conveying roller, a mounting frame is fixedly connected to one end of the top of the rack, a film tearing mechanism is arranged at one end of the inner side of the mounting frame and comprises a roller, the roller is rotationally connected to the inner side of the mounting frame, and an opening groove is formed in the outer side of the roller; a film pressing piece used for pressing the end of the protective film is arranged on the inner side of the open groove, a transmission piece is arranged at one end of the outer side of the mounting frame, and a rubberizing mechanism used for rubberizing the surface of the PCB by being matched with translation of the PCB is arranged at the other end of the inner side of the mounting frame. According to the utility model, automatic film tearing of the PCB protective film is realized in the whole process, and the film tearing efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of PCB board production, more specifically, the utility model relates to a film tearing and adhesive pasting device for PCB board. BACKGROUND

[0002] PCB is also called printed wiring board, and its Chinese name is printed circuit board, which is an important electronic component, the support of electronic components, and the carrier of electrical connection of electronic components. Because it is made by electronic printing, it is called "printed" circuit board. In order to protect the electronic components on the PCB board, some PCB boards will be pasted with a protective film on the surface when they are shipped. However, when assembling electronic products, the protective film on the surface of the PCB board needs to be torn off first, and then the PCB board is assembled on the electronic product.

[0003] However, most of the current methods are still manually tearing off the protective film on the surface of the PCB board, which not only increases the workload of the operators and the labor cost, but also reduces the film tearing efficiency, thereby reducing the overall assembly efficiency. In addition, the personnel manually contact the surface of the PCB board, which is easy to leave fingerprints and sweat stains on the surface of the PCB board, causing the PCB board to be oxidized.

[0004] Furthermore, after tearing off the film, the four edges of the PCB board need to be pasted with adhesive tape. However, the conventional method is to manually paste the adhesive tape. However, the manual pasting has poor precision, is easy to be offset, and is easy to cause the adhesive tape to be offset, wrinkled, bubbled, and have unreasonable size precision. Utility model content

[0005] In order to solve the defects in the prior art, the utility model provides a film tearing and adhesive pasting device for a PCB board.

[0006] In order to solve the problem of low efficiency of manual film tearing in the prior art, the utility model provides the following technical scheme:

[0007] The utility model provides a tear film pasting device for PCB board, including the both ends of the inside of frame are rotatoryly connected with the conveying roller for conveying PCB board, two conveying roller are drivenly connected through the belt, the outside of frame is fixedly installed with motor, the output shaft of motor is fixedly connected with one conveying roller, one end of frame top is fixedly connected with mounting bracket, the one end of mounting bracket inside is provided with tear film mechanism, tear film mechanism includes cylinder, the inside of cylinder rotatoryly connected in mounting bracket, the outside of cylinder is equipped with the opening slot for putting protective film end, the inside of opening slot is provided with the film pressure spare of for the end of protective film is pressed, the one end of mounting bracket outside is provided with transmission spare through cooperation conveying roller's rotation to drive cylinder rotation, the other end of mounting bracket inside is provided with pasting mechanism through cooperation PCB board's translation to paste the glue of PCB board surface.

[0008] As a preferred technical scheme of the utility model, the transmission member comprises a first pulley fixedly connected to one end of the roller, and the end of one of the conveying rollers is fixedly connected with a second pulley, and the second pulley is drivingly connected with the first pulley through a belt.

[0009] As a preferred technical scheme of the utility model, the film pressing member comprises a rotating shaft penetrating through the side wall of the roller, the rotating shaft is rotatably connected with the roller and is concentrically arranged with the roller, one end of the rotating shaft is fixedly connected with a pressing plate, and the pressing plate is located inside the roller.

[0010] As a preferred technical scheme of the utility model, the other end of the rotating shaft is fixedly connected with a gear, a torsion spring is sleeved on the rotating shaft, one end of the torsion spring is welded with the gear, and the other end of the torsion spring is welded with the outer wall of the roller, and the outside of the mounting bracket is provided with a pushing member for driving the pressing plate to rotate and separate from the bottom wall of the opening slot.

[0011] As a preferred technical scheme of the utility model, the pushing member comprises a fixed plate fixedly connected to the outside of the mounting bracket, a first air cylinder fixedly connected to the fixed plate, a toothed plate fixedly connected to the output end of the first air cylinder, and the toothed plate is engaged with the gear through translation.

[0012] As a preferred technical scheme of the utility model, the pasting mechanism comprises a second air cylinder fixedly connected to the top of the mounting bracket, an activity frame fixedly connected to the output end of the second air cylinder, a pay-off roller rotatably connected to the top end of the inside of the activity frame, a rubber belt wound on the pay-off roller, and a rubber pressing roller rotatably connected to the bottom end of the inside of the activity frame for sticking the rubber belt on the PCB board.

[0013] The same end of the unwinding roller and the glue pressing roller is fixedly connected with a third belt pulley, and the two third belt pulleys are connected through a belt transmission.

[0014] Compared with the prior art, the utility model has the advantages that when tearing the film, the end of the protective film on the PCB board surface is put into the open slot, the end of the protective film is pressed tightly through the film pressing piece, then the motor is started to drive the conveying roller to rotate, the conveying roller conveys the PCB board, the relative displacement between the PCB board and the cylinder is caused, the protective film on the PCB board surface is automatically torn, the cylinder can wind the torn protective film, the torn protective film is prevented from falling on the PCB board to cause pollution, the automatic film tearing of the PCB board protective film is realized, and the film tearing efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the film tearing and glue sticking device for the PCB board of the utility model;

[0016] Figure 2 It is a structural schematic view of the film tearing mechanism of the utility model;

[0017] Figure 3 It is a structural schematic view of the film pressing piece of the utility model;

[0018] Figure 4 It is a structural schematic view of the pushing and separating piece of the utility model;

[0019] Figure 5 It is a structural schematic view of the glue sticking mechanism of the utility model.

[0020] In the drawing: 1, rack; 2, conveying roller; 3, motor; 4, PCB board; 5, mounting frame; 6, film tearing mechanism; 61, cylinder; 62, open slot; 63, film pressing piece; 631, rotating shaft; 632, pressing plate; 633, gear; 634, torsional spring; 64, first belt pulley; 65, second belt pulley; 66, pushing and separating piece; 661, fixed plate; 662, first air cylinder; 663, toothed plate; 7, glue sticking mechanism; 71, second air cylinder; 72, movable frame; 73, unwinding roller; 74, adhesive tape; 75, glue pressing roller; 76, third belt pulley. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] As shown in Figures 1 to 5 The utility model provides a kind of film tearing and glue sticking device for PCB, including rack 1, the both ends of the inner side of rack 1 are rotatably connected with the conveying roller 2 for conveying PCB 4, two conveying rollers 2 are connected by belt drive, the outer side of rack 1 is fixedly installed with motor 3, the output shaft of motor 3 is fixedly connected with one of conveying roller 2, one end of the top of rack 1 is fixedly connected with mounting bracket 5, the inner side of mounting bracket 5 is provided with film tearing mechanism 6, film tearing mechanism 6 includes cylinder 61, cylinder 61 is rotatably connected in the inner side of mounting bracket 5, the outer side of cylinder 61 is provided with opening slot 62 for putting protective film end, the inner side of opening slot 62 is provided with film pressing piece 63 for pressing protective film end, the outer side of mounting bracket 5 is provided with transmission member for driving cylinder 61 to rotate by cooperating with the rotation of conveying roller 2, the other end of the inner side of mounting bracket 5 is provided with glue sticking mechanism 7 for sticking glue on the surface of PCB 4 by cooperating with the translation of PCB 4.

[0023] When tearing film, the end of the protective film on the surface of PCB 4 is put into opening slot 62, and the end of the protective film is pressed by film pressing piece 63, then motor 3 is started to drive conveying roller 2 to rotate, so that conveying roller 2 conveys PCB 4, and relative displacement occurs between PCB 4 and cylinder 61, which makes the protective film on the surface of PCB 4 be automatically torn, and transmission member drives cylinder 61 to rotate, so that cylinder 61 can wind the torn protective film, thereby avoiding the protective film falling on PCB 4 again to cause pollution, and the whole process realizes automatic film tearing of the protective film of PCB 4, greatly improving the film tearing efficiency.

[0024] Among them, transmission member includes first pulley 64, first pulley 64 is fixedly connected to one end of cylinder 61, and the end of one of conveying roller 2 is fixedly connected with second pulley 65, and second pulley 65 is connected with first pulley 64 by belt drive. Motor 3 drives conveying roller 2 to rotate, so that corresponding second pulley 65 rotates, which drives first pulley 64 to rotate cylinder 61, so as to realize that cylinder 61 winds the torn protective film, avoiding the protective film falling on PCB 4 again to cause pollution.

[0025] The pressing film part 63 comprises a rotating shaft 631 penetrating through the side wall of the roller 61, the rotating shaft 631 is rotationally connected with the roller 61 and is concentrically arranged with the roller 61, one end of the rotating shaft 631 is fixedly connected with a pressing plate 632, the pressing plate 632 is located at the inner side of the roller 61, the other end of the rotating shaft 631 is fixedly connected with a gear 633, a torsion spring 634 is sleeved on the rotating shaft 631, one end of the torsion spring 634 is welded with the gear 633, the other end of the torsion spring 634 is welded with the outer wall of the roller 61, the outer side of the mounting frame 5 is provided with a pushing-off part 66 for driving the pressing plate 632 to rotate and be separated from the bottom wall of the open groove 62, the pushing-off part 66 comprises a fixed plate 661, the fixed plate 661 is fixedly connected on the outer side of the mounting frame 5, the fixed plate 661 is fixedly connected with a first air cylinder 662, the output end of the first air cylinder 662 is fixedly connected with a toothed plate 663, the toothed plate 663 is engaged with the gear 633 through translation.

[0026] By controlling the first air cylinder 662 to drive the toothed plate 663 to move close to the gear 633 and be engaged with the gear 633, the gear 633 is rotated, so that the pressing plate 632 is rotated and separated from the bottom wall of the open groove 62, so that the end of the protective film on the surface of the PCB board 4 can be placed in the open groove 62, at this time the torsion spring 634 is wound and potential energy is accumulated, then the first air cylinder 662 is controlled to drive the toothed plate 663 to be separated from the gear 633, at this time the torsion spring 634 releases potential energy to make the pressing plate 632 rotate reversely and press the end of the protective film tightly, so that the protective film on the surface of the PCB board 4 can be stably torn off.

[0027] The gluing mechanism 7 comprises a second air cylinder 71 fixedly connected on the top of the mounting frame 5, the output end of the second air cylinder 71 is fixedly connected with a movable frame 72, the top end of the inner side of the movable frame 72 is rotationally connected with a unwinding roller 73, the unwinding roller 73 is wound with an adhesive tape 74, the bottom end of the inner side of the movable frame 72 is rotationally connected with a glue pressing roller 75 for gluing the adhesive tape 74 on the PCB board 4, the same end of the unwinding roller 73 and the glue pressing roller 75 is fixedly connected with a third pulley 76, the two third pulleys 76 are drivingly connected through a belt.

[0028] The adhesive tape is tightly glued by controlling the second air cylinder 71 to drive the movable frame 72 to move downward, so that the glue pressing roller 75 is in contact with the edge of the PCB board 4, the PCB board 4 is translated by the conveying roller 2, so that the relative displacement occurs between the PCB board 4 and the glue pressing roller 75, which makes the glue pressing roller 75 roll along the surface of the PCB board 4, and the unwinding roller 73 is rotated and the adhesive tape 74 is unwound outward under the driving action of the two third pulleys 76, so that the glue pressing roller 75 glues the continuous adhesive tape 74 on the PCB board 4, thereby realizing the automatic gluing process, the whole process is completely realized automatically tearing the film and gluing, which greatly improves the production efficiency of the PCB board 4.

[0029] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A film tearing and adhesive pasting device for PCB, comprising a frame (1), two ends of the inner side of the frame (1) are rotatably connected with conveying rollers (2) for conveying a PCB (4), the two conveying rollers (2) are connected through a belt drive, the outer side of the frame (1) is fixedly installed with a motor (3), the output shaft of the motor (3) is fixedly connected with one of the conveying rollers (2), characterized in that: One end of the top of the rack (1) is fixedly connected with a mounting rack (5), one end of the inner side of the mounting rack (5) is provided with a film tearing mechanism (6), the film tearing mechanism (6) comprises a roller (61), the roller (61) is rotatably connected to the inner side of the mounting rack (5), the outer side of the roller (61) is provided with an opening slot (62) for putting the end of the protective film, the inner side of the opening slot (62) is provided with a film pressing piece (63) for pressing the end of the protective film, one end of the outer side of the mounting rack (5) is provided with a transmission member for driving the roller (61) to rotate by cooperating with the rotation of the conveying roller (2), the other end of the inner side of the mounting rack (5) is provided with a glue sticking mechanism (7) for sticking glue on the surface of the PCB board (4) by cooperating with the translation of the PCB board (4). ​ 2. The device for film tearing and adhesive pasting of a PCB board according to claim 1, characterized in that: The transmission member comprises a first pulley (64), the first pulley (64) is fixedly connected to one end of the roller (61), and the end of one of the conveying rollers (2) is fixedly connected with a second pulley (65), the second pulley (65) and the first pulley (64) are connected by a belt transmission.

3. The device for film tearing and adhesive pasting of a PCB board according to claim 1, characterized in that: The film pressing piece (63) comprises a rotating shaft (631) penetrating through the side wall of the roller (61), the rotating shaft (631) is rotatably connected with the roller (61) and is concentrically arranged with the roller (61), one end of the rotating shaft (631) is fixedly connected with a pressing plate (632), and the pressing plate (632) is located on the inner side of the roller (61).

4. The device for film tearing and adhesive pasting of a PCB board according to claim 3, characterized in that: The other end of the rotating shaft (631) is fixedly connected with a gear (633), a torsional spring (634) is sleeved on the rotating shaft (631), one end of the torsional spring (634) is welded with the gear (633), the other end of the torsional spring (634) is welded with the outer wall of the roller (61), and the outer side of the mounting rack (5) is provided with a pushing away member (66) for driving the pressing plate (632) to rotate and separate from the bottom wall of the opening slot (62).

5. The device for film tearing and adhesive pasting of a PCB board according to claim 4, characterized in that: The pushing away member (66) comprises a fixed plate (661) fixedly connected to the outer side of the mounting rack (5), a first air cylinder (662) fixedly connected to the fixed plate (661), a toothed plate (663) fixedly connected to the output end of the first air cylinder (662), and the toothed plate (663) is engaged with the gear (633) by translation.

6. The device for film tearing and adhesive pasting of a PCB board according to claim 1, characterized in that: The glue sticking mechanism (7) comprises a second air cylinder (71) fixedly connected to the top of the mounting rack (5), an output end of the second air cylinder (71) is fixedly connected with a movable rack (72), a top end of the inner side of the movable rack (72) is rotatably connected with a unwinding roller (73), the unwinding roller (73) is wound with an adhesive tape (74), and a bottom end of the inner side of the movable rack (72) is rotatably connected with a glue pressing roller (75) for sticking the adhesive tape (74) on the PCB board (4).

7. The device for film tearing and adhesive pasting of a PCB board according to claim 6, characterized in that: The same end of the unwinding roller (73) and the glue pressing roller (75) is fixedly connected with a third pulley (76), and the two third pulleys (76) are connected by a belt transmission.

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