A mosaic component for manufacturing a rigid PCB metal hole embedded copper structure

Abstract

The present invention discloses a mosaic component for manufacturing a rigid PCB metal hole embedded copper structure, which relates to the technical field of PCB processing, and includes a PCB board, wherein the PCB board is composed of two copper layers, two core boards and a bare board, and the bare board is fixedly installed between the two core boards, and the two copper layers and the corresponding two core boards are fixedly installed. The advantages are: the rigid PCB circuit board can improve the heat dissipation efficiency of the PCB board during operation by embedding copper blocks, and at the same time, the copper block edges are set to rounded corners and the static pressure method is adopted, which can realize the rapid embedding of the copper block, improve the processing efficiency of the PCB board, and by setting the fixed rod in the embedding component, the copper block can be quickly and accurately positioned, the success rate of copper block embedding is improved, and the probability of damage to the PCB board when the copper block is embedded can also be reduced.

Description

Technical Field

[0001] The invention relates to the technical field of PCB board processing, and in particular to an embedded component for manufacturing a rigid PCB metal hole embedded copper structure. Background Art

[0002] In recent years, with the rapid development of the electronic technology industry, the use of high-density electronic components and high-power electronic components has become more and more common, so the requirements for PCB heat dissipation capacity have become higher and higher. Since copper blocks have high thermal conductivity, during the use of PCBs, the heat generated by components can be quickly transferred to copper blocks, and then the heat is dissipated into the air through copper blocks. Therefore, the industry began to introduce embedded copper block PCB manufacturing technology;

[0003] The currently used PCB metal hole copper embedding structure, such as the Chinese patent application number Zl201811470353.2, comprises: a PCB board, a first through hole, a second through hole, a third through hole, a first copper block, a second copper block and a third copper block; the first through hole, the second through hole and the third through hole respectively penetrate the PCB board, the first through hole is provided with a first copper sinking hole wall, the second through hole is provided with a second copper sinking hole wall, and the third through hole is provided with a third copper sinking hole wall. The present invention solves the problem of poor thermal conductivity of the PCB and realizes an alternative copper embedding method of the PCB in addition to the buried copper process;

[0004] However, the above-mentioned PCB metal hole copper embedding structure has the problem that the gap between the copper block and the hole wall is not filled thoroughly after copper embedding. The copper block has multiple teeth, which is not convenient for subsequent filling, and the subsequent filling is not solid, which can easily cause PCB warping.

[0005] Therefore, a mosaic component for manufacturing a rigid PCB metal hole embedded copper structure can be used to solve the shortcomings of the prior art. Summary of the invention

[0006] In view of the deficiencies of the prior art, the present invention provides an interlocking component for manufacturing a rigid PCB metal hole embedded copper structure, which solves the problems of large embedding resistance of the copper block and warping of the PCB board after embedding raised in the above background technology.

[0007] To achieve the above purpose, the present invention is implemented through the following technical scheme: a mosaic component for manufacturing a rigid PCB metal hole embedded copper structure, comprising a PCB board, the PCB board is composed of two copper layers, two core boards and a bare board, and the bare board is fixedly installed between the two core boards, and the two copper layers are fixedly installed with the corresponding two core boards, the two copper layers are coated with a flame retardant ink layer on the side away from the core board, and the two flame retardant ink layers are coated with a silk screen layer, a PCB slot hole is opened on the PCB board, a copper film layer 1 is fixedly installed on the PCB slot hole, an annular copper ring is fixedly installed at the upper and lower ends of the copper film layer 1, and the copper ring has the same thickness as the copper layer, and a copper block is embedded and installed on the copper film layer 1;

[0008] The copper block is cylindrical, and both upper and lower edges of the copper block are rounded edges, and the angle of the rounded edges is between 20-30 degrees. The thickness of the copper block is the average value of the thickness of two core boards and one bare board after the PCB board is pressed together ±25 μm;

[0009] The thickness of the PCB board is 0.95 mm, the thickness of the copper layer is 0.5 oz, and the total thickness of the two core boards and one bare board is 0.254 mm;

[0010] The diameter of the PCB slot is 2.65 mm, and the diameter of the copper block is 2.65±0.2 mm;

[0011] It also includes a chimeric component, wherein the chimeric component includes a plurality of limit rods for limiting the PCB board, a through hole is provided on the PCB board, and the plurality of limit rods are respectively matched with the corresponding through holes on the PCB board, and the plurality of limit rods are commonly buckled and installed with a pressure plate, a groove is provided on the pressure plate, a pressure-bearing rod is fixedly installed in the groove, and a plurality of limit rods are commonly buckled and installed with a lower pressure plate at one end away from the pressure plate, a lower pressure column is slidably installed on the lower pressure plate, and limit blocks are fixedly installed on both sides of the lower pressure column, and a scale for marking the downward pressure distance is engraved on one side of the lower pressure column, and a fixing component is fixedly installed on the pressure plate;

[0012] The fixing component includes a slide groove opened on both sides of the pressure plate, a slider is slidably installed on the two slide grooves, a lifting groove is opened on the two sliders, a gear rod is slidably installed in the two lifting grooves, a fixing rod is fixedly installed on the two gear rods, a fixing hole for fixing the copper block is opened on the fixing rod, a through hole is opened on the pressure plate, a support shaft is rotatably installed in the two lifting grooves, gears are fixedly installed at both ends of the support shaft, and the two gears are respectively meshed with the corresponding gear rods, and one end of the support shaft rotates through the lifting groove and is fixedly connected with a knob.

[0013] Preferably, the bottom of the lower pressure column is provided with frosted lines, and a rubber pad is fixedly installed on the bottom of the pressure plate.

[0014] The present invention provides a mosaic component for manufacturing a rigid PCB metal hole embedded copper structure. It has the following beneficial effects:

[0015] 1. The rigid PCB circuit board has a high heat dissipation efficiency. The copper block embedded in the PCB board can improve the heat dissipation efficiency of the PCB board during operation. At the same time, the copper block is cylindrical, and the upper and lower edges are set as rounded corners. This shape can reduce the resistance encountered when the copper block is embedded, and improve the embedding efficiency of the copper block in the metal hole of the PCB.

[0016] 2. This rigid PCB circuit board has the advantage of good copper block embedding effect. The static pressure on the copper block and the PCB board is achieved by the lower pressure column, which can reduce the gap between the copper block and the PCB slot after embedding, and improve the PCB processing efficiency. At the same time, the lower pressure column is limited by the limit rod, which can realize the copper block to be embedded in the appropriate position quickly and accurately, and improve the heat dissipation efficiency of the PCB board.

[0017] 3. The embedded component of the rigid PCB circuit board has a rapid positioning effect. Through the cooperation between the slide groove and the slider, the fixing rod can be quickly moved, so that the copper block can be quickly positioned and embedded into the PCB slot hole, thereby improving the processing rate of the PCB board. At the same time, through the cooperation between the gear and the gear rod, the height of the fixing rod can be adjusted to achieve rapid fixing of the PCB board, effectively avoiding the probability of damage to the PCB board when the copper block is embedded.

[0018] In summary, the rigid PCB circuit board can improve the heat dissipation efficiency of the PCB board during operation by embedding the copper block. At the same time, by setting the edges and corners of the copper block to rounded corners and adopting the static pressure method, the copper block can be quickly embedded, thereby improving the processing efficiency of the PCB board. Moreover, by setting the fixing rod in the embedding component, the copper block can be quickly and accurately positioned, thereby improving the success rate of copper block embedding and reducing the probability of damage to the PCB board when the copper block is embedded. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The specific embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings, wherein:

[0020] Figure 1 This is a schematic diagram of the structure of a rigid PCB metal hole embedded copper structure proposed by the present invention;

[0021] Figure 2 for Figure 1 Schematic diagram of the internal structure;

[0022] Figure 3 It is a schematic diagram of the copper block structure;

[0023] Figure 4 is a schematic diagram of the structure of the chimeric components;

[0024] Figure 5 It is a schematic diagram of the fixed component structure;

[0025] Figure 6 It is a schematic diagram of the structure of the gear rod and knob of the fixing component.

[0026] In the figure: 1 copper layer, 2 core board, 3 flame-retardant ink layer, 4 silk-screen layer, 5 PCB slot, 6 copper block, 7 copper film layer one, 8 bare board, 9 through hole, 10 copper film layer two, 11 limit rod, 12 pressure plate, 13 groove, 14 pressure rod, 15 lower pressure plate, 16 lower pressure column, 17 limit block, 18 slide groove, 19 slider, 20 fixing rod, 21 PCB board, 22 gear rod, 23 support shaft, 24 gear, 25 knob. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] Reference Figure 1-Figure 6 , a mosaic component for manufacturing a rigid PCB metal hole embedded copper structure, comprising: a PCB board 21, the PCB board 21 is composed of two copper layers 1, two core boards 2 and a light board 8, and the light board 8 is fixedly installed between the two core boards 2, and the two copper layers 1 are fixedly installed with the corresponding two core boards 2, the two copper layers 1 are coated with a flame retardant ink layer 3 on the side away from the core board 2, and the two flame retardant ink layers 3 are coated with a silk screen layer 4, a PCB slot 5 is opened on the PCB board 21, a copper film layer 7 is fixedly installed on the PCB slot 5, an annular copper ring is fixedly installed at both ends of the copper film layer 7, and the copper ring has the same thickness as the copper layer 1, and a copper block 6 is embedded and installed on the copper film layer 7;

[0029] The color of the flame retardant ink layer 3 is green, which has a better visual effect in a yellow light room than other colors. When the PCB board 21 is subsequently processed and the AOL is detected, the instrument has a better recognition effect on green. At the same time, the setting of the flame retardant ink layer 3 can prevent the physical disconnection of the conductor circuit, reduce the possibility of short circuit caused by bridging during welding, improve safety, and reduce the oxidation corrosion of the copper layer 1, thereby increasing its service life.

[0030] The setting of the silk screen layer 4 is mainly to mark the components on the PCB board 21, so that the staff can identify and install them easily, such as: C33, capacitor component No. 33, R48, resistor No. 48, U, integrated chip, etc., to improve assembly efficiency, reduce work intensity and improve production efficiency.

[0031] The copper block 6 is cylindrical, and both upper and lower edges of the copper block 6 are rounded edges, and the angle of the rounded edges is between 20-30 degrees. The thickness of the copper block 6 is the average thickness of the PCB board 21 after pressing ±25μm;

[0032] Too large or too small a thickness of the copper block 6 will affect embedding. The upper and lower edges of the copper block 6 are set as rounded edges. This method facilitates the embedding of the copper block 6 into the PCB slot 5, reduces the possibility of resistance and uneven resistance during embedding, reduces the possibility of the copper block 6 being tilted or severely worn, and increases the probability of successful embedding of the copper block 6.

[0033] The thickness of the PCB board 21 is 0.95 mm, the thickness of the copper layer 1 is 0.5 oz, and the total thickness 2 of the two core boards 2 and one bare board 8 is 0.254 mm;

[0034] The diameter of the PCB slot hole 5 is 2.65 mm, and the diameter of the copper block 6 is 2.65±0.2 mm;

[0035] The diameter of the PCB slot hole 5 is detected by an optical scanning imaging measuring machine, which is convenient for determining the diameter of the copper block 6 at a later time, increases the possibility of the copper block 6 being embedded in the PCB slot hole 5, improves work efficiency, and improves precision.

[0036] An organic solvent, such as propylene, is used to clean the surface of the copper layer 1 so that the circuit diagram appears on the PCB board 21. Blind holes (not shown in the figure) are holes located on the top and bottom surfaces of the PCB board 21, with a certain depth, and are used to connect the surface circuit and the inner circuit below. The secondary circuit is a low-voltage electrical device used to monitor, regulate and protect the working conditions of the power system and primary equipment;

[0037] Components include electronic components such as resistors and capacitors;

[0038] The interlocking component includes a plurality of limit rods 11 for limiting the PCB board 21, a through hole 9 is provided on the PCB board 21, a pressure plate 12 is fixedly installed with the plurality of limit rods 11, a groove 13 is provided on the pressure plate 12, a pressure-carrying rod 14 is fixedly installed in the groove 13, a lower pressure plate 15 is snap-fitted away from the pressure plate 12 by the plurality of limit rods 11, a lower pressure column 16 is slidably installed on the lower pressure plate 15, limit blocks 17 are fixedly installed on both sides of the lower pressure column 16, a scale for marking the downward pressure distance is engraved on the upper mark of the lower pressure column 16, and a fixing component is fixedly installed on the pressure plate 12;

[0039] The setting of the limiting rod 11 and the through hole 9 facilitates the limiting of the PCB board 21, prevents the PCB board 21 from shifting when the copper block 6 is embedded, and improves the possibility of embedding. At the same time, the setting of the limiting block 17 can limit the lower pressure column 16, improve the embedding accuracy of the copper block 6, and improve the embedding success rate;

[0040] The limiting rod 11 is made of solid stainless steel, which can reduce the possibility of the limiting rod 11 being corroded by air and increase the service life of the limiting rod 11. At the same time, it can withstand the pressure on the lower pressure column 16 when the copper block is embedded, thereby improving the embedding efficiency of the copper block 6.

[0041] The fixing member includes a slide groove 18 opened on both sides of the pressure plate 12, and a slider 19 is slidably installed on the two slide grooves 18, and a lifting groove is opened on the two sliders 19, and a gear rod 22 is slidably installed in the two lifting grooves. The two gear rods 22 are jointly fixedly installed with a fixing rod 20, and a fixing hole for fixing the copper block 6 is opened on the fixing rod 20. A through hole is opened on the pressure plate 12, and a support shaft 23 is rotatably installed in the two lifting grooves, and gears 24 are fixedly installed at both ends of the support shaft 23, and the two gears 24 are respectively meshed with the corresponding gear rods 22, and one end of the support shaft 23 rotates through the lifting groove and is fixedly connected with a knob 25;

[0042] The arrangement of the slide groove 18 and the slider 19 facilitates the adjustment of the position of the fixing rod 20 and improves the accuracy. At the same time, the arrangement of the fixing hole can limit the copper block 6, thereby reducing the damage to the PCB board 21 when the copper block 6 is embedded, and improving the success rate of embedding.

[0043] Through the cooperation between the gear rod 22 and the gear 24, the height of the fixing rod 20 can be quickly adjusted to adapt to the thickness of each PCB board 21, improve the success rate of embedding the copper block 6, improve work efficiency, and improve the flexibility of embedding components.

[0044] The bottom of the lower pressure column 16 is provided with frosted lines, and a rubber pad is fixedly installed at the bottom of the pressure plate 12;

[0045] The setting of the frosted texture at the bottom of the lower pressure column 16 can increase the friction between the lower pressure column 16 and the surface of the copper block 6, improve the accuracy of embedding, and improve the success of embedding. At the same time, the setting of the rubber pad on the pressure plate 12 can protect the pressure plate 12, reduce the pressure on the pressure plate 12 during embedding, and increase its service life.

[0046] It is further explained that the above-mentioned fixed connection should be understood in a broad sense unless otherwise clearly specified and limited. For example, it can be welding, gluing, or one-piece molding, etc., which are conventional means well known to those skilled in the art.

[0047] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mosaic component for manufacturing a rigid PCB metal hole embedded copper structure, characterized in that: The interlocking component comprises a plurality of limit rods (11) for limiting the position of the PCB board (21), the PCB board (21) is provided with a through hole (9), the plurality of limit rods (11) respectively match the corresponding through holes (9) on the PCB board (21), the plurality of limit rods (11) are commonly snap-fitted with a pressure plate (12), the pressure plate (12) is provided with a groove (13), a pressure-bearing rod (14) is fixedly installed in the groove (13), the plurality of limit rods (11) are commonly snap-fitted with a lower pressure plate (15) at one end away from the pressure plate (12), a lower pressure column (16) is slidably installed on the lower pressure plate (15), limit blocks (17) are fixedly installed on both sides of the lower pressure column (16), one side of the lower pressure column (16) is engraved with a scale for marking the downward pressure distance, and a fixing component is fixedly installed on the pressure plate (12); The fixing member comprises a slide groove (18) provided on both sides of the pressure plate (12), a slider (19) being slidably mounted on the two slide grooves (18), a lifting groove being provided on the two sliders (19), a gear rod (22) being slidably mounted in the two lifting grooves, a fixing rod (20) being fixedly mounted on the two gear rods (22), a fixing hole being provided on the fixing rod (20) for fixing the copper block (6), a through hole being provided on the pressure plate (12), a support shaft (23) being rotatably mounted in the two lifting grooves, gears (24) being fixedly mounted at both ends of the support shaft (23), and the two gears (24) being respectively meshed with the corresponding gear rods (22), and one end of the support shaft (23) being rotatably passed through the lifting groove and fixedly connected with a knob (25); The rigid PCB metal hole embedded copper structure comprises the PCB board (21), the PCB board (21) is composed of two copper layers (1), two core boards (2) and a bare board (8), and the bare board (8) is fixedly installed between the two core boards (2), and the two copper layers (1) are fixedly installed with the corresponding two core boards (2), the two copper layers (1) are coated with a flame retardant ink layer (3) on the side away from the core board (2), and the two flame retardant ink layers (3) are coated with a silk screen layer (4), the PCB board (21) is provided with a PCB slot hole (5), a copper film layer (7) is fixedly installed on the PCB slot hole (5), copper rings are fixedly installed at both upper and lower ends of the copper film layer (7), and the copper rings have the same thickness as the copper layer (1), and a copper block (6) is embedded and installed on the copper film layer (7); The copper block (6) is cylindrical, and the upper and lower edges of the copper block (6) are both rounded edges, the angle of the rounded edges is between 20 and 30 degrees, and the thickness of the copper block (6) is an average value of the thickness of the two core boards (2) and one bare board (8) after the PCB board (21) is pressed together ±25 μm; The thickness of the PCB board (21) is 0.95 mm, the thickness of the copper layer (1) is 0.5 oz, and the total thickness of the two core boards (2) and the bare board (8) is 0.254 mm; The diameter of the PCB slot hole (5) is 2.65 mm, and the diameter of the copper block (6) is 2.65±0.2 mm.

2. The embedded component for manufacturing a rigid PCB metal hole embedded copper structure according to claim 1, characterized in that: The bottom of the lower pressure column (16) is provided with frosted lines, and the bottom of the pressure plate (12) is fixedly mounted with a rubber pad.

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