Substrate assembly capable of preventing copper block from falling

Abstract

The utility model discloses a substrate assembly capable of preventing a copper block from falling off. The substrate assembly comprises the copper block and a substrate, the substrate comprises a bearing core plate, a middle prepreg and a core plate unit; upper grooves are formed in the core plate units; the top ends of the upper grooves penetrate through the top surfaces of the core plate units, and the bottom ends of the upper grooves penetrate through the bottom surfaces of the core plate units; a transition groove is formed in the middle prepreg; the upper groove, the transition groove and the lower groove are sequentially communicated to form a containing groove, and the copper block is embedded in the containing groove. A bearing wall is arranged at the lower end of the lower groove; the bearing wall is provided with a bearing inclined surface, and the bottom surface of the bearing wall forms a supporting bottom surface; the bearing inclined face gradually inclines downwards from the end, close to the inner side wall of the lower groove, of the bearing inclined face to the other end of the bearing inclined face. When the substrate is transferred, the copper block can be prevented from falling off, the time can be saved, the production efficiency is improved, the surface of the substrate is ensured to be free of pollution, and the subsequent arrangement of the substrate is facilitated.

Description

Technical Field

[0001] The utility model relates to a base plate component which can prevent a copper block from falling. Background Art

[0002] At present, in order to improve the heat dissipation effect of PCB boards or realize the conduction function, copper blocks are often embedded on the substrate. During the production process, it is generally necessary to open a cylindrical through hole on the substrate, and then embed the copper block in the cylindrical through hole. However, due to the lack of support, the copper block is prone to fall when the substrate is transferred. In order to avoid the copper block falling, the copper block is often fixed on the substrate by sticking tape, but it takes a certain amount of time to manually fix the copper block with tape, which affects the efficiency. Moreover, if the tape is not removed cleanly, it will cause contamination of the substrate surface. In order to improve efficiency, some companies use stepped grooves on the substrate to support the copper block through the stepped grooves, so there is no need to stick tape to fix the copper block, but there are more consumables and it is not convenient for the arrangement of the board in the pressing process. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a substrate assembly that prevents copper blocks from falling, which can prevent copper blocks from falling when transferring the substrate, save time, improve production efficiency, ensure that the substrate surface is free of pollution, reduce consumables, and facilitate subsequent panel arrangement.

[0004] The purpose of the utility model is achieved by the following technical solutions:

[0005] A substrate assembly for preventing a copper block from falling comprises a copper block and a substrate; the substrate comprises a bearing core plate, a middle prepreg and a core plate unit; a lower groove is arranged on the bearing core plate; the top end of the lower groove penetrates the top surface of the bearing core plate, and the bottom end of the lower groove penetrates the bottom surface of the bearing core plate; the core plate unit is located above the bearing core plate, and an upper groove is arranged on the core plate unit; the top end of the upper groove penetrates the top surface of the core plate unit, and the bottom end of the upper groove penetrates the bottom surface of the core plate unit; the middle prepreg is located between the bearing core plate and the core plate unit, and a Aqueduct; the upper trough, transition trough and lower trough are connected in sequence to form a receiving trough, and the copper block is embedded in the receiving trough; a supporting wall is provided at the lower end of the lower trough; the supporting wall is provided with a supporting inclined surface, and the bottom surface of the supporting wall is formed as a supporting bottom surface; from one end of the supporting inclined surface close to the inner side wall of the lower trough to the other end, the supporting inclined surface gradually inclines downward; from one end of the supporting inclined surface close to the inner side wall of the lower trough to the other end, the distance between the supporting inclined surface and the supporting bottom surface gradually decreases; one end of the supporting inclined surface close to the inner side wall of the lower trough is formed as a supporting end for supporting the copper block.

[0006] The angle between the supporting inclined surface and the supporting bottom surface is an acute angle.

[0007] The angle between the supporting inclined surface and the supporting bottom surface is 15°-45°.

[0008] The horizontal distance between one end of the supporting inclined surface close to the inner wall of the lower groove and the bottom surface of the bearing core plate is 0.04-0.06mm.

[0009] The supporting bottom surface is flush with the bottom surface of the load-bearing core plate.

[0010] The cross section of the lower groove is rectangular, and the supporting walls are arranged on the edges around the lower end of the lower groove.

[0011] The cross sections of the transition groove and the upper groove are both rectangular, and the size of the cross section of the transition groove is the same as that of the upper groove; the projection of the lower groove on the middle prepreg is located in the area where the transition groove is located.

[0012] The top of the copper block extends out from the top of the accommodating groove and protrudes upward relative to the top of the core plate unit.

[0013] The core plate unit comprises an upper core plate, and the upper core plate is located above the middle prepreg.

[0014] The core plate unit includes at least two upper core plates arranged in sequence from top to bottom, and an upper semi-cured sheet is arranged between any two adjacent upper core plates, the upper groove includes a first groove section and a second groove section, each upper core plate is provided with a first groove section, and each upper semi-cured sheet is provided with a second groove section.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model provides a substrate assembly for preventing copper blocks from falling. The substrate adopts a combination of a load-bearing core plate, a middle semi-cured sheet and a core plate unit, and reasonably arranges a supporting wall at the lower end of a lower groove. When the substrate is transferred, the copper block can be supported to prevent the copper block from falling. At the same time, there is no need to stick or remove tape, which can save time, improve production efficiency, and ensure that the substrate surface is free of pollution. Moreover, by reasonably arranging the supporting wall, consumables can be reduced. In the subsequent pressing and arranging of the plates, the supporting wall can be pushed down by pressing the copper block, which is convenient for the subsequent arranging of the plates and can save the time for arranging the plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a base plate assembly for preventing copper blocks from falling according to the utility model;

[0018] Figure 2 It is a structural schematic diagram of the substrate of the utility model;

[0019] Figure 3This is an exploded schematic diagram of another embodiment of the substrate assembly for preventing copper blocks from falling according to the utility model;

[0020] Among them, 10, copper block; 20, substrate; 30, load-bearing core board; 31, lower groove; 40, middle semi-cured sheet; 41, transition groove; 50, core board unit; 51, upper groove; 52, upper core board; 53, upper semi-cured sheet; 54, first groove section; 55, second groove section; 60, accommodating groove; 70, supporting wall; 71, supporting inclined surface; 72, supporting bottom surface. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0022] like Figure 1-2 As shown, a substrate assembly for preventing a copper block from falling comprises a copper block 10 and a substrate 20; the substrate 20 comprises a load-bearing core plate 30, a middle prepreg sheet 40 and a core plate unit 50; a lower groove 31 is arranged on the load-bearing core plate 30; the top end of the lower groove 31 penetrates the top surface of the load-bearing core plate 30, and the bottom end of the lower groove 31 penetrates the bottom surface of the load-bearing core plate 30; the core plate unit 50 is located above the load-bearing core plate 30, and an upper groove 51 is arranged on the core plate unit 50; the top end of the upper groove 51 penetrates the top surface of the core plate unit 50, and the bottom end of the upper groove 51 penetrates the bottom surface of the core plate unit 50; the middle prepreg is located between the load-bearing core plate 30 and the core plate unit 50, and the middle prepreg sheet 40 is provided with Transition groove 41; the upper groove 51, transition groove 41, and lower groove 31 are connected in sequence to form a receiving groove 60, and the copper block 10 is embedded in the receiving groove 60; a supporting wall 70 is provided at the lower end of the lower groove 31; the supporting wall 70 is provided with a supporting inclined surface 71, and the bottom surface of the supporting wall 70 is formed as a supporting bottom surface 72; from one end of the supporting inclined surface 71 close to the inner wall of the lower groove 31 to the other end, the supporting inclined surface 71 gradually tilts downward; from one end of the supporting inclined surface 71 close to the inner wall of the lower groove 31 to the other end, the distance between the supporting inclined surface 71 and the supporting bottom surface 72 gradually decreases; one end of the supporting inclined surface 71 close to the inner wall of the lower groove 31 is formed as a supporting end for supporting the copper block 10.

[0023] When in use, the copper block 10 can be placed in the accommodating groove 60, and the copper block 10 can be supported by the supporting end, so that when the substrate 20 is transferred, the copper block 10 can be supported by the supporting wall 70 to prevent the copper block 10 from falling, and there is no need to stick or remove tape, which can save time, improve production efficiency, and ensure that the board surface of the substrate 20 is free of pollution. Moreover, from one end of the supporting inclined surface 71 close to the inner wall of the lower groove 31 to the other end, the supporting inclined surface 71 is set to gradually tilt downward; and from one end of the supporting inclined surface 71 close to the inner wall of the lower groove 31 to the other end, the distance between the supporting inclined surface 71 and the supporting bottom surface 72 is set to gradually decrease, which can reduce consumables and facilitate the separation of the supporting wall 70 from the load-bearing core board 30 under pressure. In the subsequent pressing and arranging of the boards, the supporting wall 70 can be pushed off by pressing the copper block 10, which is convenient for the subsequent arranging of the boards and can save the time for arranging the boards.

[0024] The angle between the supporting inclined surface 71 and the supporting bottom surface 72 is an acute angle. Preferably, the angle between the supporting inclined surface 71 and the supporting bottom surface 72 is 15°-45°. By adopting the above-mentioned arrangement, it is further convenient to push off the supporting wall 70 when pressing the row of plates. As the most preferred embodiment of the utility model, the angle between the supporting inclined surface 71 and the supporting bottom surface 72 is 30°, so as to facilitate the support wall 70 and facilitate processing.

[0025] The distance between the end of the supporting inclined surface 71 close to the inner wall of the lower groove 31 and the bottom surface of the bearing core plate 30 is 0.04-0.06mm. By adopting the above arrangement, it is further convenient to push off the supporting wall 70 when pressing and assembling the panels. As the most preferred embodiment of the utility model, the distance between the end of the supporting inclined surface 71 close to the inner wall of the lower groove 31 and the bottom surface of the bearing core plate 30 is 0.05mm, so as to facilitate the support wall 70 and facilitate processing.

[0026] Specifically, the supporting bottom surface 72 is flush with the bottom surface of the bearing core plate 30. The cross section of the lower groove 31 is rectangular, and the supporting walls 70 are disposed around the edges of the lower end of the lower groove 31.

[0027] In this embodiment, the cross section of the supporting wall 70 is triangular, and the above structure is adopted to facilitate processing.

[0028] The cross sections of the transition hole and the upper groove 51 are both rectangular, and the size of the cross section of the transition hole is the same as that of the upper groove 51; the projection of the lower groove 31 on the middle prepreg 40 is located in the area where the transition hole is located. By adopting the above structure, it is convenient to process and manufacture.

[0029] The top of the copper block 10 extends from the top of the accommodating groove 60 and protrudes upward relative to the top of the core plate unit 50. By adopting the above arrangement, it is convenient to press the copper block 10 when pressing the board, so as to further facilitate the support wall 70 to be pushed off when pressing the board.

[0030] The core plate unit 50 includes an upper core plate 52 , and the upper core plate 52 is located above the middle prepreg 40 .

[0031] The number of the upper core plates 52 in the core plate unit 50 can be set according to actual needs, for example, it can be set to one, two, etc. As a preferred embodiment of the utility model, the core plate unit 50 includes at least two upper core plates 52 arranged in sequence from top to bottom, and an upper semi-cured sheet 53 is provided between any two adjacent upper core plates 52, and the upper groove 51 includes a first groove section 54 and a second groove section 55, each upper core plate 52 is provided with a first groove section 54, and each upper semi-cured sheet is provided with a second groove section 55.

[0032] The substrates 20 are riveted together by rivets, so that the substrates 20 are pre-fixed together. A fusion zone is also provided on the substrate 20, and the substrates 20 are also fixed together by the fusion zone. On the basis of the substrates 20 being riveted together by rivets, combined with the fusion zone, the stability of the pre-fixation of the substrates 20 can be improved.

[0033] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A substrate assembly for preventing a copper block from falling, characterized in that: The invention comprises a copper block and a substrate; the substrate comprises a bearing core plate, a middle prepreg and a core plate unit; a lower groove is arranged on the bearing core plate; the top end of the lower groove passes through the top surface of the bearing core plate, and the bottom end of the lower groove passes through the bottom surface of the bearing core plate; the core plate unit is located above the bearing core plate, and an upper groove is arranged on the core plate unit; the top end of the upper groove passes through the top surface of the core plate unit, and the bottom end of the upper groove passes through the bottom surface of the core plate unit; the middle prepreg is located between the bearing core plate and the core plate unit, and a transition groove is arranged on the middle prepreg; the upper The groove, transition groove and lower groove are connected in sequence to form a receiving groove, and the copper block is embedded in the receiving groove; a supporting wall is arranged at the lower end of the lower groove; the supporting wall is arranged with a supporting inclined surface, and the bottom surface of the supporting wall is formed as a supporting bottom surface; from one end of the supporting inclined surface close to the inner side wall of the lower groove to the other end, the supporting inclined surface gradually inclines downward; from one end of the supporting inclined surface close to the inner side wall of the lower groove to the other end, the distance between the supporting inclined surface and the supporting bottom surface gradually decreases; one end of the supporting inclined surface close to the inner side wall of the lower groove is formed as a supporting end for supporting the copper block.

2. The substrate assembly for preventing copper blocks from falling as claimed in claim 1, characterized in that: The angle between the supporting inclined surface and the supporting bottom surface is an acute angle.

3. The substrate assembly for preventing the copper block from falling as claimed in claim 1 or 2, characterized in that: The angle between the supporting inclined surface and the supporting bottom surface is 15°-45°.

4. The substrate assembly for preventing copper blocks from falling as claimed in claim 1, characterized in that: The horizontal distance between one end of the supporting inclined surface close to the inner wall of the lower groove and the bottom surface of the bearing core plate is 0.04-0.06mm.

5. The substrate assembly for preventing copper blocks from falling as claimed in claim 1, characterized in that: The supporting bottom surface is flush with the bottom surface of the load-bearing core plate.

6. The substrate assembly for preventing copper blocks from falling as claimed in claim 1, characterized in that: The cross section of the lower groove is rectangular, and the supporting walls are arranged on the edges around the lower end of the lower groove.

7. The substrate assembly for preventing the copper block from falling as claimed in claim 6, characterized in that: The cross sections of the transition groove and the upper groove are both rectangular, and the size of the cross section of the transition groove is the same as that of the upper groove; the projection of the lower groove on the middle prepreg is located in the area where the transition groove is located.

8. The substrate assembly for preventing the copper block from falling as claimed in claim 7, characterized in that: The top of the copper block extends out from the top of the accommodating groove and protrudes upward relative to the top of the core plate unit.

9. The substrate assembly for preventing a copper block from falling as claimed in claim 1, characterized in that: The core plate unit comprises an upper core plate, and the upper core plate is located above the middle prepreg.

10. The substrate assembly for preventing copper blocks from falling as claimed in claim 1, characterized in that: The core plate unit includes at least two upper core plates arranged in sequence from top to bottom, and an upper semi-cured sheet is arranged between any two adjacent upper core plates, the upper groove includes a first groove section and a second groove section, each upper core plate is provided with a first groove section, and each upper semi-cured sheet is provided with a second groove section.

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