PCB jointed board structure
By setting process edges, plate split holes and gong slots in the PCB panel structure, convenient plate split operation is achieved, solving the problem that existing panels cannot be compatible with multiple production equipment, and improving processing efficiency and adaptability.
Patent Information
- Application Number
- CN202420812835.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-04-18
AI Technical Summary
The existing PCB panels are not compatible with multiple production equipment, resulting in increased production costs and excessive space use.
A PCB panel structure is designed. By setting process sides and plate-dividing holes on both sides of the board and setting gong slots between PCB boards, convenient plate-dividing operation is achieved and the processing needs of different production equipment are adapted.
Through this structure, the size of the PCB panel can be flexibly adjusted, the processing efficiency can be improved, the operation difficulty can be reduced, and the processing needs of different production equipment can be met.
Smart Images
Figure CN222638797U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of PCB boards, in particular to a PCB panel structure that is compatible with a variety of production equipment. Background Art
[0002] During the PCB production process or the patch process, if the size of a single PCB is too small, it cannot be placed on the patch machine, which is not conducive to production and patching, and needs to be panelized. If the panel is too small, it will affect the efficiency of patching and packaging, so the size of the panel is usually larger. A PCB panel often contains multiple small PCB boards. By analyzing the PCB panel, the small PCB boards can be separated. Therefore, PCB panelization is an important means to meet a variety of production and processing needs. It can not only reduce material waste, but also help simplify the process, shorten the production cycle, and improve product quality.
[0003] However, as labor costs increase, the PCBA manufacturing industry has continuously introduced some automatic production equipment. These automatic production equipment have different requirements for the size of PCB panels, resulting in the inability of existing PCB panels to maximize the operating efficiency of each production equipment. In other words, different equipment is often required for different sizes of PCB panels, which greatly increases the cost of production, and multiple different types of equipment also take up more space. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a PCB panel structure which is convenient for analysis and can take into account a variety of different production equipment.
[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0006] A PCB panel structure includes a board body, wherein the board body has a first side, a second side, a third side and a fourth side, the first side and the third side are symmetrically distributed, the second side and the fourth side are symmetrically distributed, the first side and the third side are respectively provided with a process edge, at least two PCB boards are provided between the first side and the third side, the at least two PCB boards extend along the axial direction of the process edge, a gong groove is provided between two adjacent PCB boards, a board separation hole is provided on the process edge, and the gong groove and the board separation hole are arranged opposite to each other.
[0007] As a further improvement scheme, the two ends of the gong groove correspond to a plate-dividing hole respectively, the end of the gong groove extends into the interior of the process edge and has a gap with the plate-dividing hole, and the central axis of the gong groove and the center of the plate-dividing hole are located on the same horizontal line.
[0008] As a further improvement, the number of the plate dividing holes on a process edge is the same as the number of the gong grooves.
[0009] As a further improvement, the plate dividing holes and the gong grooves penetrate both sides of the plate body to form a hollow structure.
[0010] As a further improvement, the width of the process edge is 4-6 mm, and the length of the process edge is the same as the length of the first side edge and the third side edge of the plate body.
[0011] As a further improvement, the plate splitting hole is a circular hole, and the diameter of the plate splitting hole is 1-3 mm.
[0012] As a further improvement, the depth of the gong groove extending into the process edge is 1-2 mm.
[0013] As a further improvement, the spacing distance between the plate splitting hole and the end of the gong groove is equal to the spacing distance between the plate splitting hole and the outer edge of the process side.
[0014] As a further improvement, the PCB board is a single PCB board, or the PCB board includes at least two sub-PCB boards.
[0015] As a further improvement, the width of the gong groove is less than or equal to the diameter of the plate splitting hole.
[0016] Compared with the prior art, the utility model has the following beneficial technical effects:
[0017] By setting a process edge on each side of the board body and setting a panel separation hole in the process edge, and combining the groove between two adjacent PCB boards on the board body, the panel separation operation can be conveniently performed, and the size of the PCB panel can be adjusted as needed to meet the processing requirements of different production equipment, improve processing efficiency, and reduce operation difficulty. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0019] Figure 2 for Figure 1 A is an enlarged schematic diagram;
[0020] Figure 3 This is a schematic diagram of the main structure of another embodiment of the utility model;
[0021] Figure 4 This is a schematic diagram of a state of a panel separation process of the utility model;
[0022] Figure 5 This is a schematic diagram of another state of panel separation processing of the present invention.
[0023] Reference numerals:
[0024] The first side 1, the second side 2, the third side 3, the fourth side 4, the process side 5, the gong groove 6, the board separation hole 7, and the PCB single board 8. DETAILED DESCRIPTION
[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0026] In the description of the present utility model, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like are involved, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0028] Embodiment 1
[0029] refer to Figure 1 and 2 As shown, a PCB panel structure can more conveniently perform panel splitting operations and flexibly split the panels as needed to adjust the overall size of the PCB panel, thereby meeting the processing size requirements of different production equipment, improving compatibility, and meeting the different processing requirements of the front-end and back-end processes.
[0030] It should be pointed out that for a single smaller PCB, during the SMT production or patch plug-in process, it is difficult to smoothly carry out production and patching because the size is too small to be placed on the patch machine. Usually, it is necessary to panelize a single smaller PCB. However, the small size of the panel will affect the efficiency of patching and packaging. Moreover, for the front-end process, such as SMT patch machines and automatic plug-in machines, the commonly used patch machines and plug-in machines can meet the requirements of large-size PCB panelization, while the back-end process usually uses small and medium-sized equipment, which often requires smaller PCBs. At this time, if the panel splitting operation is more difficult, it is difficult to achieve high efficiency in both the front-end and back-end processing. In the first embodiment of the present application, the panel splitting is simple, and the size of the board can be adjusted at any time, thereby improving the processing efficiency of each process.
[0031] The PCB panel structure includes a board body, wherein the board body has a first side 1, a second side 2, a third side 3 and a fourth side 4, wherein the first side 1 and the third side 3 are symmetrically distributed, the second side 2 and the fourth side 4 are symmetrically distributed, the first side 1 and the third side 3 are respectively provided with a process edge 5, and the board body is rectangular as a whole, wherein the first side 1 and the third side 3 are length edges, the second side 2 and the fourth side 4 are width edges, the first side 1 is provided with a process edge 5, the third side 3 is provided with a process edge 5, the lengths of the two process edges are equal to the length direction of the board body, and the structures of the two process edges are the same. Of course, the board body can be either a rectangle or a square. If it is a rectangle, the process edge is selected to be set on the side in the length direction, and if it is a square, two symmetrical sides can be selected at will. In actual use, the board body is usually a rectangle, so that the board division operation can be performed more flexibly and the overall size of the board body can be flexibly adjusted.
[0032] Four PCB boards 8 are arranged between the first side 1 and the third side 3. The four PCB boards 8 extend along the axial direction of the process edge 5. That is, the four PCB boards are arranged in sequence along the length direction of the board body. Figure 1 The angle shown is for reference, and the PCB boards are arranged from top to bottom. In addition, in a PCB board, a marking line can be set from the middle, and a PCB board can be further divided into two PCB sub-boards. Therefore, the PCB panel structure in this embodiment has a total of 8 PCB sub-boards, and the PCB boards in the same row contain two PCB sub-boards. That is, an 8-out-of-8 panel structure is formed, that is, a total of 8 circuit boards can be divided from a PCB panel. The four PCB boards are of the same size to ensure that they are evenly distributed on the board body.
[0033] A gong groove 6 is provided between the two adjacent PCB boards 8, through which the gong groove 6 can be oriented and easily broken or cut, so as to quickly perform the board separation operation. The gong groove 6 is a hollow structure that runs through both sides of the board body. Through the gong groove, the two adjacent PCB boards are broken or cut through the gong groove, which reduces the difficulty and is not easy to cause burrs on the broken edges. Cutting equipment can be used for cutting, and only the distance of the process edge needs to be cut. The middle gong groove is a hollow structure, which is more convenient to handle.
[0034] Four PCB boards need to be set with three grooves in total for each pair of adjacent PCB boards, ensuring that there are grooves between the two adjacent PCB boards. In this way, one PCB board can be cut separately, and three PCB boards can be left on the board. Since the four PCB boards are of the same size, the board is divided into two sizes of boards with three PCB boards and one PCB board. The size of the board with three PCB boards is three quarters of the original size, and the board with one PCB board is one quarter of the original board. Figure 4 If you need production equipment of different sizes, you can also separate two PCB boards and cut them along the groove. After separating the two PCB boards, the remaining board size will be half of the original board size. Figure 5 As shown, the board is cut in half, so it can be adapted to smaller production equipment. Of course, in the smallest case, only one PCB is left after cutting.
[0035] In addition, in order to further improve the convenience of splitting boards and reduce the difficulty of splitting boards, a splitting hole 7 is set on the process edge 5. The splitting hole 7 is a hollow through-hole structure that runs through both sides of the board body. The position setting of the splitting hole 7 is limited. A splitting hole 7 is set at each end of a gong groove 6. The splitting hole is located in the process edge. There is a gap between the splitting hole and the end of the gong groove, that is, the gong groove and the splitting hole are not in contact. For the entire board body, the length of the gong groove is much larger than the width of the process edge. The reason why each PCB board falls off the board body without being affected by external force is achieved through the process edge. As a part of the board body, the process edge plays a role in stabilizing the connection of the PCB board.
[0036] A plate splitting hole 7 is arranged on the process edge 5, and the plate splitting hole 7 is on the same horizontal line as the gong groove 6. That is to say, there are two process edges on one plate body, and the positions of the plate splitting holes on the two process edges are symmetrically distributed, and the number is also the same. On the same horizontal line, one gong groove and one plate splitting hole on each of the two process edges are arranged opposite to each other. The number of plate splitting holes on one process edge is the same as the number of gong grooves.
[0037] By setting splitting holes on the process edge, the difficulty of splitting the board is further reduced. The process edge still has a certain width, and cutting only by the gong groove still requires a large cutting force. However, combined with the splitting holes, the difficulty of cutting the process edge is reduced.
[0038] As for the shape of the split board hole, a circular hole is first selected for easy processing. In order to meet the needs of different users, the split board hole can also be set to an ellipse, rectangle or polygon.
[0039] Of course, regarding the number setting of PCB boards, in addition to the setting of four mentioned above, other numbers can also be set, such as six PCB boards, seven PCB boards, or other numbers of PCB boards.
[0040] Embodiment 2
[0041] refer to Figure 3 As shown, the basic structure is the same as that of the first embodiment, except that the structure of the PCB single board 8 set on the board body is different. In the second embodiment, four PCB single boards 8 are also set, and a groove 6 is set between two adjacent PCB single boards 8, and a board separation hole 7 is set on the process edge 5, and each end of the groove 6 corresponds to a board separation hole 7. No more sub-boards are set on a PCB single board, and a PCB single board is a separate PCB board.
[0042] Embodiment 3
[0043] refer to Figure 1 and 2 As shown, with respect to the setting of the gong groove 6, both ends of the gong groove 6 extend into the process edge 5 for a certain distance, so that during cutting, a part of the gong groove 6 can extend to the process edge 5, so that the process edge can be cut better.
[0044] For the gong groove 6, the process edge 5 and the board separation hole 7 set on the board body, the size is also an important parameter. The width of the process edge is 4-6 mm, and the diameter of the board separation hole is 1-3 mm. The depth distance of the gong groove extending into the process edge is 1-2 mm. Within this range, the width of the process edge, the size of the board separation hole and the depth distance of the gong groove extending into the process edge are the best ranges. Under this spacing distance, the appropriate force can be achieved to perform the board separation operation.
[0045] The spacing distance between the splitting hole and the end of the gong groove is equal to the spacing distance between the splitting hole and the outer edge of the process edge, so that the distribution of the splitting holes can be more reasonable. After the gong groove extends into the process edge, the splitting hole is located in the central area between the end of the gong groove and the outer edge of the process edge.
[0046] By selecting the above parameters, both the process capability of the PCB board factory and the cutting strength and speed of the production equipment are met.
[0047] Furthermore, after testing, more specific parameters were set according to the following optimal solution.
[0048] The width of the process edge is set to 5 mm, the board splitting hole is a circular hole with a diameter of 2 mm, and the end of the gong groove extends into the process edge to a depth of 1 mm. Therefore, the board splitting hole occupies 2 mm of the width of the process edge, the gong groove occupies 1 mm, and the remaining 2 mm of width makes the board splitting hole 1 mm away from the outer edge of the process edge. At the same time, the end of the gong groove is also 1 mm away from the board splitting hole, and the overall structure is more compact. The above parameters can be applied to PCB boards of various sizes and specifications, and will not change significantly due to changes in the size of the PCB board.
[0049] When the width of the process edge is set to 5 mm, it can meet the production requirements of various types of equipment while ensuring the firmness of the board. After deducting the distance of the splitting holes and the gong grooves, there is still 2 mm left on the process edge, which is enough to meet the splitting strength.
[0050] In addition, the width of the gong groove is usually less than or equal to the diameter of the split plate hole.
[0051] refer to Figure 5 As shown, the end of the gong groove 6 does not extend into the process edge 5, and the end of the gong groove 6 is just located at the inner edge of the process edge 5. Compared with the structure in the third embodiment in which the end of the gong groove 6 extends into the process edge 5 by at least 1 mm, it is measured that the end of the gong groove does not extend into the process edge, and burrs are likely to occur at the gong groove and the process edge during cutting; while in the third embodiment, the end of the gong groove extends into the process edge for a certain distance, and the process edge can be directly cut during cutting, and burrs are not likely to occur.
[0052] Therefore, in order to achieve the best depaneling process while ensuring the integrity of the PCB, the end of the gong groove is extended into the process edge for a certain distance, while maintaining an appropriate gap distance from the depaneling hole to meet the depaneling force and board firmness.
[0053] It should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. However, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A PCB panel structure, comprising a board body, characterized in that: The board body has a first side, a second side, a third side and a fourth side, the first side and the third side are symmetrically distributed, the second side and the fourth side are symmetrically distributed, the first side and the third side are respectively provided with a process edge, at least two PCB boards are provided between the first side and the third side, the at least two PCB boards extend along the axial direction of the process edge, a gong groove is provided between two adjacent PCB boards, a board dividing hole is provided on the process edge, and the gong groove and the board dividing hole are arranged opposite to each other.
2. The PCB panel structure according to claim 1, characterized in that: The two ends of the gong groove correspond to a plate-dividing hole respectively, the end of the gong groove extends into the interior of the process edge and has a gap with the plate-dividing hole, and the central axis of the gong groove and the center of the plate-dividing hole are located on the same horizontal line.
3. The PCB panel structure according to claim 1, characterized in that: The number of splitting holes on one process edge is the same as the number of gong grooves.
4. The PCB panel structure according to claim 1, characterized in that: The plate splitting holes and the gong grooves penetrate through both sides of the plate body to form a hollow structure.
5. The PCB panel structure according to claim 1, characterized in that: The width of the process edge is 4-6 mm, and the length of the process edge is the same as the length of the first side edge and the third side edge of the plate body.
6. The PCB panel structure according to claim 5, characterized in that: The plate splitting hole is a circular hole, and the diameter of the plate splitting hole is 1-3 mm.
7. The PCB panel structure according to claim 6, characterized in that: The depth of the gong groove extending into the process edge is 1-2 mm.
8. The PCB panel structure according to claim 2, characterized in that: The spacing distance between the plate splitting hole and the end of the gong groove is equal to the spacing distance between the plate splitting hole and the outer edge of the process edge.
9. The PCB panel structure according to claim 1, characterized in that: The PCB board is a single PCB board, or the PCB board includes at least two sub-PCB boards.
10. The PCB panel structure according to claim 1, characterized in that: The width of the gong groove is less than or equal to the diameter of the plate splitting hole.