Protective film covering assembly for finished pcb

Abstract

The utility model relates to the technical field of pcb film covering, in particular to a protective film covering assembly for a finished pcb, which comprises an operation table, a multi-face rail is fixedly mounted on the operation table, a film covering mechanism is placed above the multi-face rail, the film covering mechanism is fixedly mounted on the operation table, and the multi-face rail is fixedly mounted on the operation table. The multi-face rail is fixedly connected with a pressing roller mechanism and a dust removal mechanism. And the film covering mechanism comprises a top frame, the top frame is fixedly connected to the top of the operation table, a cushion block is fixedly connected to the interior of the top frame, and a film covering roller is rotationally connected to the inner side of the cushion block. The compression roller mechanism comprises a shaft frame, the shaft frame is fixedly connected to the top of the multi-face rail, a hollow shaft is rotationally connected to the inner side of the shaft frame, an elastic roller is fixedly connected to the outer side of the hollow shaft, a curved-surface insertion rod is inserted into the hollow shaft, and the curved-surface insertion rod is inserted into the hollow shaft through adjustment of the cross section area of the elastic roller. Therefore, the flattening effect on the pcb boards with different thicknesses after film covering is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB coating, in particular to a protective coating component for a finished PCB. Background Art

[0002] Traditional circuit boards are made by printing resists to make circuit diagrams and drawings of circuits, so they are called printed circuit boards and printed circuit boards. Currently, most circuit boards are attached to an attached anti-corrosion agent (laminate or coating), and after exposure and development, the circuit board can be etched.

[0003] However, the sizes of PCB boards are different, so only a single PCB board can be laminated during the processing. In addition, a large amount of dust and impurities will remain on the surface of the PCB board after lamination and flattening, which will affect subsequent processing. Utility Model Content

[0004] The utility model aims to provide a protective film component for a finished PCB to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: comprising an operating table, on which a multi-sided rail is fixedly installed, a laminating mechanism is placed above the multi-sided rail, the laminating mechanism is fixedly installed on the operating table, and a pressing roller mechanism and a dust removal mechanism are respectively fixedly connected to the multi-sided rail.

[0006] Preferably, the laminating mechanism includes a top frame, which is fixedly connected to the top of the operating table, and a pad is fixedly connected to the inside of the top frame. The inner side of the pad is rotatably connected to a laminating roller, wherein the laminating roller will perform lamination on the surface of the PCB board. In addition, the laminating roller is detachable so as to match the laminating effect for different types of PCB boards.

[0007] Preferably, the pressure roller mechanism includes an axle frame, which is fixedly connected to the top of the multi-sided rail, a hollow shaft is rotatably connected to the inner side of the axle frame, an elastic roller is fixedly connected to the outer side of the hollow shaft, and a curved plug rod is inserted into the interior of the hollow shaft.

[0008] Preferably, a convex pressure plate is inserted into the outer side of the hollow shaft, and the top of the convex pressure plate is squeezed and fitted with the inner wall of the elastic roller. The convex pressure plate squeezed by the curved insertion rod will stretch the spring and extend outward until the elastic roller is squeezed, wherein the elastic roller is elastic, thereby playing a role in adjusting the cross-sectional area of ​​the elastic roller, and a spring is fixedly connected to the outer side of the convex pressure plate, and one end of the spring away from the convex pressure plate is fixedly connected to the outer side of the hollow shaft, and the inner end of the convex pressure plate is squeezed and fitted with the curved insertion rod, wherein the surface where the curved insertion rod contacts the convex pressure plate is a curved surface, and the curved insertion rod is stationary relative to the convex pressure plate.

[0009] Preferably, the dust removal mechanism includes a fan, which is fixedly installed inside the operating table. An air pipe is fixedly installed on the top of the fan, and the air pipe is respectively inserted through the operating table and the top of the multi-sided rail. The end of the air pipe away from the fan is fixedly connected to a dust removal assembly.

[0010] Preferably, the dust removal component includes a collecting frame, the outer side of the collecting frame is fixedly connected to the air pipe, the interior of the collecting frame is fixedly connected to a bevel filter, the outer side of the collecting frame is fixedly connected to a plate seat, the interior of the plate seat is rotatably connected to a single-rotating plate, the outer side of the single-rotating plate is fixedly connected to a magnet, and by starting the fan, the suction force will adsorb impurities on the surface of the PCB board after the coating, and then the impurities will enter the collecting frame and be limited by the bevel filter, thereby absorbing and collecting the impurities on the PCB board.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] By adjusting the cross-sectional area of ​​the elastic roller, it can adjustably flatten the coated PCB board when coating PCB boards of different thicknesses. When the PCB board moves to a predetermined position, the suction force generated by the fan will absorb the impurities on the surface of the coated PCB board, and then the impurities will enter the collection frame and be limited by the inclined filter, thereby absorbing and collecting the impurities on the PCB board. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of the external structure of a protective film component used for a finished PCB.

[0014] Figure 2 It is a schematic cross-sectional structure diagram of the laminating mechanism of the utility model.

[0015] Figure 3 It is a schematic cross-sectional structure diagram of the pressing roller mechanism of the utility model.

[0016] Figure 4 It is a structural schematic diagram of the dust removal mechanism of the utility model.

[0017] Figure 5 It is a schematic cross-sectional view of the dust removal component of the utility model.

[0018] In the figure: 1. operating table; 2. multi-sided rail; 3. laminating mechanism; 4. pressing roller mechanism; 5. dust removal mechanism; 31. top frame; 32. cushion block; 33. laminating roller; 41. shaft frame; 42. hollow shaft; 43. convex pressure plate; 44. spring; 45. elastic roller; 46. curved plug rod; 51. fan; 52. air pipe; 53. dust removal assembly; 531. collecting frame; 532. inclined filter screen; 533. plate seat; 534. single rotating plate; 535. magnet. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 5 , the utility model provides a technical solution: Figure 1 , Figure 2 and Figure 3 As shown, it includes an operating table 1, on which a multi-sided rail 2 is fixedly installed, a laminating mechanism 3 is placed above the multi-sided rail 2, and the laminating mechanism 3 is fixedly installed on the operating table 1, and the multi-sided rail 2 is respectively fixedly connected with a pressing roller mechanism 4 and a dust removal mechanism 5.

[0021] The coating mechanism 3 includes a top frame 31, which is fixedly connected to the top of the operating table 1. A pad block 32 is fixedly connected to the inside of the top frame 31. A coating roller 33 is rotatably connected to the inner side of the pad block 32. The coating roller 33 is extended into the top frame 31 and supported by the pad block 32, and then the coating roller 33 is driven to rotate by an external device. Then, the PCB board is placed from the highest end of the multi-sided rail 2. At this time, the PCB board will slide downward along the multi-sided rail 2. At the same time, the coating roller 33 will coat the surface of the PCB board. The coating roller 33 is detachable so as to match the coating effect for different types of PCB boards.

[0022] The pressure roller mechanism 4 includes an axis frame 41, which is fixedly connected to the top of the multi-faceted rail 2. A hollow shaft 42 is rotatably connected to the inner side of the axis frame 41, and an elastic roller 45 is fixedly connected to the outer side of the hollow shaft 42. A curved plug rod 46 is inserted into the interior of the hollow shaft 42, and a convex pressure plate 43 is inserted into the outer side of the hollow shaft 42. The top of the convex pressure plate 43 is pressed and adapted with the inner wall of the elastic roller 45. A spring 44 is fixedly connected to the outer side of the convex pressure plate 43, and one end of the spring 44 away from the convex pressure plate 43 is fixedly connected to the outer side of the hollow shaft 42, and the inner end of the convex pressure plate 43 is pressed and adapted with the curved plug rod 46. Before laminating the PCB board, the operator needs to insert the curved surface plug rod 46 into the hollow shaft 42, and then the convex pressure plate 43 that is squeezed and adapted with the inner end of the curved surface plug rod 46 will extend outward, wherein the surface where the curved surface plug rod 46 contacts the convex pressure plate 43 is a curved surface, and the curved surface plug rod 46 is stationary relative to the convex pressure plate 43, and the convex pressure plate 43 squeezed by the curved surface plug rod 46 will stretch the spring 44 and extend outward until it squeezes the elastic roller 45, wherein the elastic roller 45 is elastic, thereby playing a role in adjusting the cross-sectional area of ​​the elastic roller 45. Therefore, when laminating PCB boards of different thicknesses, the elastic roller 45 can adjustably flatten the laminating PCB board.

[0023] like Figure 4 and Figure 5 As shown, the dust removal mechanism 5 includes a fan 51, which is fixedly installed inside the operating table 1. An air pipe 52 is fixedly installed on the top of the fan 51. The air pipe 52 is respectively inserted into the operating table 1 and the top of the multi-sided rail 2. The end of the air pipe 52 away from the fan 51 is fixedly connected to a dust removal component 53.

[0024] The dust removal component 53 includes a collecting frame 531, the outer side of the collecting frame 531 is fixedly connected to the air pipe 52, the interior of the collecting frame 531 is fixedly connected to a bevel filter 532, the outer side of the collecting frame 531 is fixedly connected to a plate seat 533, the inner side of the plate seat 533 is rotatably connected to a single-rotation plate 534, and the outer side of the single-rotation plate 534 is fixedly connected to a magnet 535. When the flattened PCB board moves along the multi-sided rail 2 to the position of the dust removal component 53, the fan 51 is started, and the air pipe 52 connected to the fan 51 will generate suction. At the same time, the magnetic material installed on the PCB board will generate suction with the magnet 535, and then the magnet 535 will carry the single-rotation plate 534 through the plate seat 533 to deflect outward, and the suction will adsorb impurities on the surface of the coated PCB board, and then the impurities will enter the collecting frame 531 and be limited by the bevel filter 532, thereby absorbing and collecting the impurities on the PCB board.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective film assembly for a finished PCB, comprising an operating table (1), characterized in that: A multi-sided rail (2) is fixedly mounted on the operating table (1), a laminating mechanism (3) is placed above the multi-sided rail (2), the laminating mechanism (3) is fixedly mounted on the operating table (1), and a pressing roller mechanism (4) and a dust removal mechanism (5) are respectively fixedly connected to the multi-sided rail (2).

2. A protective film assembly for a finished PCB according to claim 1, characterized in that: The laminating mechanism (3) comprises a top frame (31), the top frame (31) being fixedly connected to the top of the operating table (1), a cushion block (32) being fixedly connected inside the top frame (31), and a laminating roller (33) being rotatably connected inside the cushion block (32).

3. A protective film assembly for a finished PCB according to claim 1, characterized in that: The pressing roller mechanism (4) comprises an axle frame (41), the axle frame (41) being fixedly connected to the top of the multi-faceted rail (2), a hollow shaft (42) being rotatably connected to the inner side of the axle frame (41), an elastic roller (45) being fixedly connected to the outer side of the hollow shaft (42), and a curved surface plug rod (46) being inserted into the interior of the hollow shaft (42).

4. A protective film assembly for a finished PCB according to claim 3, characterized in that: A convex pressure plate (43) is inserted into the outer side of the hollow shaft (42), the top of the convex pressure plate (43) is pressed and fitted with the inner wall of the elastic roller (45), the outer side of the convex pressure plate (43) is fixedly connected with a spring (44), one end of the spring (44) away from the convex pressure plate (43) is fixedly connected to the outer side of the hollow shaft (42), and the inner end of the convex pressure plate (43) is pressed and fitted with the curved insertion rod (46).

5. The protective film assembly for a finished PCB according to claim 1, characterized in that: The dust removal mechanism (5) comprises a fan (51), the fan (51) being fixedly mounted inside the operating table (1), an air pipe (52) being fixedly mounted on the top of the fan (51), the air pipe (52) being respectively inserted through the operating table (1) and the top of the multi-faceted rail (2), and a dust removal component (53) being fixedly connected to one end of the air pipe (52) away from the fan (51).

6. A protective film assembly for a finished PCB according to claim 5, characterized in that: The dust removal assembly (53) comprises a collection frame (531), the outer side of the collection frame (531) being fixedly connected to the air pipe (52), the interior of the collection frame (531) being fixedly connected to a sloped filter screen (532), the outer side of the collection frame (531) being fixedly connected to a plate seat (533), the interior of the plate seat (533) being rotatably connected to a single-rotation plate (534), and the outer side of the single-rotation plate (534) being fixedly connected to a magnet (535).

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