PCB board connection and board separation method

Abstract

The present invention relates to the technical field of circuit board manufacturing and production, and discloses a PCB connecting plate and a method for dividing the plates thereof, wherein the PCB connecting plate comprises: a PCB connecting plate body; a PCB single board, which is formed on the PCB connecting plate body and can be cut out from the PCB connecting plate body, and a cutting portion is formed by extending from the end of one side of the PCB single board; and a marking component, which is composed of a reference line flush with the edge of the PCB single board and a marking line formed on the cutting portion, and the distance between the marking line and the reference line is not greater than a specified value D. The PCB connecting plate of the present invention sets the reference line and the marking line with a spacing not greater than the specified value D, so that the inspection personnel can visually observe the presence or absence of the reference line and the marking line on the cut PCB single board, thereby quickly and accurately judging whether the cut PCB single board is qualified, thereby improving the inspection efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit board manufacturing and production, and in particular to a PCB connecting board and a board separation method thereof. Background Art

[0002] PCB, also called printed circuit board, is the provider of electrical connections for electronic components. Soldering components to PCB for electrical connection and mechanically fixing them to PCB can greatly reduce wiring and assembly errors, improve automation level and production labor rate. At present, as electronic products gradually develop in the direction of thin, small, light and micro, "appearance size" has become one of the important selling points of terminal products. The proposal of high quality and the application of high technology have also brought a series of new challenges to the production process.

[0003] In the prior art, a PCB board is formed on a PCB connecting board, and the PCB connecting board needs to be cut to cut the PCB board out of the PCB connecting board. For cutting out the PCB board, the ideal state is to cut along the edge of the PCB board, but under the limitation of the existing process level, such high-precision process requirements cannot be met, which can easily cause the edge of the PCB board to be cut off or worn, thereby damaging the PCB board. If the burrs of the cut PCB board are large, it does not meet the requirements of the fineness of the PCB board, and the PCB board needs to be cut again, and the procedure is extremely cumbersome. In addition, in the prior art, the inspection personnel use a micrometer to detect the size of the burrs, which makes the inspection process extremely cumbersome.

[0004] Therefore, a new PCB connecting board and a new PCB connecting board dividing method are urgently needed to facilitate the detection of the burrs of the PCB single board after the dividing board is cut and improve the detection efficiency. Summary of the invention

[0005] The present invention is proposed in view of the above technical problems, and aims to provide a PCB connecting board. The PCB connecting board of the present invention sets reference lines and marking lines with a spacing not greater than a specified value D, so that an inspection personnel can visually observe the presence or absence of reference lines and marking lines on a cut PCB single board, thereby quickly and accurately judging whether the cut PCB single board is qualified, thereby improving the inspection efficiency.

[0006] Specifically, the present invention provides a PCB connecting board, comprising:

[0007] PCB connected to the main body;

[0008] A PCB single board is formed on the PCB connecting board body and can be cut out from the PCB connecting board body, and a cutting portion is extended and formed at an end portion of one side of the PCB single board;

[0009] The marking component is composed of a reference line flush with the edge of the PCB board and a marking line formed on the cutting portion, and the distance between the marking line and the reference line is not greater than a specified value D.

[0010] Compared with the prior art, the PCB connecting board provided by the present invention, by setting a marking line and a reference line with a spacing not greater than a specified value D, the marking line and the reference line can provide a reference as a reference line for cutting the PCB connecting board, indicating that the cutting is to be performed in the middle of the marking line and the reference line. After the PCB single board is cut out from the PCB connecting board body, the cutting of the PCB single board is manually inspected. If the reference line can be seen but the marking line is not, it indicates that the cutting portion is cut from the middle of the marking line and the reference line. The disappearance of the marking line indicates that the distance between the residual cutting portion (i.e., the burr) left on the PCB single board after cutting and the reference line is less than the specified value D, and the retention of the reference line indicates that the edge of the PCB single board has not been cut, and therefore, the cut PCB single board is qualified in the inspection.

[0011] On the contrary, when neither the reference line nor the marking line can be seen on the cut PCB board, it indicates that the edge of the PCB board has been cut, and the cut PCB board fails the inspection. Alternatively, when both the reference line and the marking line can be seen on the cut PCB board, it indicates that the residual cutting part left on the PCB board after cutting is large, and the distance between it and the reference line is greater than the specified value D, and the cut PCB board fails the inspection.

[0012] By setting the reference line and the marking line with a spacing no greater than the specified value D, the inspection personnel can visually observe the presence or absence of the reference line and the marking line on the cut PCB board, thereby quickly and accurately judging whether the cut PCB board is qualified, greatly improving the inspection efficiency.

[0013] In addition, preferably, there is a gap between the marking line and the reference line, and the width a of the marking line, the width b of the reference line, and the distance c between the relative edges of the marking line and the reference line are designed to satisfy one of the following relationships (1)-(4):

[0014] c≤D (1);

[0015] a+c≤D (2);

[0016] b+c≤D (3);

[0017] a+b+c≤D (4).

[0018] According to the preferred solution, generally, the line has a width, and when the width of the line is taken into consideration, different situations are analyzed. When the end of the reference line close to the marking line is flush with the edge of the PCB board and the distance from the end of the marking line close to the reference line is a specified value D, that is, c=D, the cut PCB board is tested. On the cut PCB board, if the marking line disappears and the reference line remains, the cut PCB board is qualified, otherwise, it is unqualified.

[0019] When the end of the reference line close to the marking line is flush with the edge of the PCB and the distance from the end of the marking line far from the reference line is the specified value D, that is, a+c=D, the cut PCB board is tested. On the cut PCB board, if the marking line disappears or a part of it remains and the reference line is retained, the cut PCB board is qualified, otherwise, it is unqualified.

[0020] When the end of the reference line away from the marking line is flush with the edge of the PCB and the distance from the end of the marking line close to the reference line is the specified value D, that is, b+c=D, the cut PCB is tested. If the marking line disappears and the reference line remains or part of it remains, the cut PCB is qualified, otherwise, it is unqualified.

[0021] When the end of the reference line away from the marking line is flush with the edge of the PCB and the distance from the end of the marking line away from the reference line is a specified value D, that is, a+b+c=D, the cut PCB board is tested. On the cut PCB board, if the marking line disappears or a part remains and the reference line remains or a part remains, the cut PCB board is qualified, otherwise, it is unqualified.

[0022] Further, preferably, there is no gap between the marking line and the reference line, and the distance between the side of the reference line and the marking line far from the PCB board and the side of the reference line and the marking line close to the PCB board is not greater than a specified value D.

[0023] According to the preferred solution, when the width of the marking line and the reference line is large and the two overlap, the marking line and the reference line form a rectangular plane with a width of D. At this time, the plane formed by the marking line and the reference line on the cutting line is cut, and the cut PCB board is tested. On the cut PCB board, if there is a part of the plane formed by the marking line and the reference line remaining, the cut PCB board is qualified, otherwise, it is unqualified.

[0024] Further, as a preference, the color of the marking line and / or the reference line is different from the color of the PCB connecting board body.

[0025] According to the preferred solution, the marking line, the reference line and the PCB connecting board body are different in color, which is conducive to naked eye observation and distinction by inspectors, speeds up manual inspection of cut PCB boards by inspectors, and improves inspection efficiency.

[0026] In addition, it is preferable that the marking line and / or the reference line is formed in a line segment shape or a dotted line shape in which a plurality of points are continuously arranged.

[0027] According to this preferred embodiment, the marking lines and the reference lines may be in various forms and are not limited to one form, as long as they can serve to mark the position.

[0028] Further, preferably, the specified value D is 0.50 mm.

[0029] In addition, preferably, the cutting portion is integrally formed with the PCB board.

[0030] According to this preferred solution, the PCB connecting plate body is processed to form an integrally formed cutting portion and a PCB single board, which can simplify the forming process of the cutting portion and the PCB single board and can also improve the structural strength of the PCB connecting plate.

[0031] In addition, preferably, a plurality of PCB boards are provided, and at least one PCB board has cutting portions extending from both ends thereof and forming marking components respectively.

[0032] According to the preferred solution, a plurality of PCB boards are formed on the PCB connecting board body, which can realize batch processing and production of PCB boards. The PCB board has cutting parts formed on at least two sides, which can improve the connection strength between the PCB board and the PCB connecting board body and prevent the PCB connecting board body from bending or deformation.

[0033] In addition, preferably, the marking line and / or the reference line is a slanted line, the reference line is located at the cutting portion and one end is flush with the edge of the PCB board, and the maximum distance between the marking line and the reference line is not greater than a specified value D.

[0034] According to the preferred solution, the cut PCB board is inspected. On the cut PCB board, when the marking line disappears or a part of it remains or the reference line remains or a part of it remains, the cutting is qualified, otherwise, it is unqualified. The marking line and the reference line are oblique lines. When the cutting is blocked to the reference line or the marking line, it can be more effectively, quickly and accurately observed whether the reference line and the marking line are cut or not, so as to more intuitively and quickly observe whether the cut PCB board is qualified, and further improve the inspection efficiency.

[0035] In addition, preferably, the marking line and / or the reference line is a wavy line, one end of the reference line away from the marking line is flush with the edge of the PCB board, and the maximum distance between the marking line and the reference line is not greater than a specified value D.

[0036] According to the preferred solution, the cut PCB board is inspected. On the cut PCB board, when the marking line disappears or partially remains and the reference line is retained or partially remains, the cut PCB board passes the inspection; otherwise, it fails.

[0037] In addition, preferably, the marking line and / or the reference line is a wavy line, one end of the reference line close to the marking line is flush with the edge of the PCB board, and the minimum distance between the marking line and the reference line is not greater than a specified value D.

[0038] According to the preferred solution, the cut PCB board is inspected. On the cut PCB board, when the marking line disappears or partially remains and the reference line is retained or partially remains, the cut PCB board passes the inspection; otherwise, it fails.

[0039] The present invention also provides a method for cutting out a PCB from a PCB concatenated board in any of the above technical solutions, comprising the following steps:

[0040] a marking step of forming a marking component consisting of a marking line and a reference line on the PCB, wherein the reference line is flush with an edge of the PCB, and a distance between the marking line and the reference line is a specified value D;

[0041] A cutting step, cutting the PCB at the cutting portion to separate the PCB single board from the PCB connecting board body;

[0042] Judgment step: if the marking line on the cut PCB board disappears and the reference line is retained, it is judged that the board separation is qualified.

[0043] Compared with the prior art, the board separation method provided by the present invention sets a marking line and a reference line with a spacing of a specified value D. After the PCB single board is cut out from the PCB connecting board body, the cutting of the PCB single board is manually inspected. If the reference line can be seen but the marking line cannot be seen, it indicates that the cutting part is cut from the middle of the marking line and the reference line. The disappearance of the marking line indicates that the distance between the residual cutting part left on the PCB single board after cutting and the reference line is less than the specified value D. The retention of the reference line indicates that the edge of the PCB single board has not been cut, so the cut PCB single board is qualified.

[0044] By setting the reference line and the marking line with a spacing of a specified value D, the inspection personnel can visually observe the presence or absence of the reference line and the marking line on the cut PCB board, thereby quickly and accurately judging whether the cut PCB board is qualified, which greatly improves the inspection efficiency.

[0045] In addition, preferably, in the judging step, if both the marking line and the reference line on the cut PCB board disappear or remain, it is judged that the board separation is unqualified.

[0046] According to the preferred solution, when neither the reference line nor the marking line is visible on the cut PCB board, it indicates that the edge of the PCB board is cut, and the cut PCB board fails the inspection. When both the reference line and the marking line can be seen on the cut PCB board, it indicates that the residual cutting part left on the PCB board after cutting is large, and the distance between the residual cutting part and the reference line is greater than the specified value D, and the cut PCB board fails the inspection.

[0047] Further, as a preference, in the cutting step, the cutting portion is aligned and cut obliquely relative to the edge of the PCB single board.

[0048] In the judging step, if there are parts of the marking line and / or the reference line remaining, it is judged that the panel separation is unqualified.

[0049] According to the preferred solution, during the cutting process, there may be a situation where the cutting is skewed, in which case the cut PCB board is inspected. On the cut PCB board, if the cutting is skewed to the marking line or the reference line, so that part of the marking line and / or the reference line remains, the cut PCB board is unqualified.

[0050] In addition, preferably, in the marking step, the color of the marking line and / or the reference line is different from the color of the PCB board body, or the marking line and / or the reference line is formed into a line segment or a dotted line formed by a continuous arrangement of multiple points.

[0051] According to the preferred solution, by setting the marking line, the reference line and the PCB connecting board body to be different in color, it is convenient for the inspectors to observe and distinguish with naked eyes, speed up the manual inspection of the cut PCB boards by the inspectors, and improve the inspection efficiency. The marking line and the reference line can be in various forms, not limited to one form, as long as they can play the role of marking the position.

[0052] In addition, preferably, in the marking step, the marking line and / or the reference line is a slant line, the reference line is located in the cutting portion and one end is flush with the edge of the PCB board, and the maximum distance between the marking line and the reference line is not greater than the specified value D.

[0053] In the judging step, if the marking line on the cut PCB board disappears or part of it remains, or the reference line is retained or part of it remains, it is judged that the board separation is qualified.

[0054] According to the preferred solution, the cut PCB board is inspected, and when the marking line disappears or a part remains and the reference line remains or a part remains, the cut PCB board is qualified, otherwise, it is unqualified. The marking line and the reference line are set as oblique lines, and when the road is cut to the reference line or the marking line, it can be more effectively, quickly and accurately observed whether the reference line and the marking line are cut or not, so as to more intuitively and quickly observe whether the cut PCB board is qualified, and further improve the inspection efficiency.

[0055] In addition, preferably, in the marking step, the marking line and / or the reference line is a wavy line, the end of the reference line away from the marking line is flush with the edge of the PCB board, and the maximum distance between the marking line and the reference line is not greater than the specified value D.

[0056] In the judging step, if the marking line on the cut PCB board disappears or part of it remains, or the reference line is retained or part of it remains, it is judged that the board separation is qualified.

[0057] According to the preferred solution, the cut PCB board is inspected, and when the marking line disappears or partially remains and the reference line is retained or partially remains, the cut PCB board is qualified, otherwise, it is unqualified.

[0058] In addition, preferably, in the marking step, the marking line and / or the reference line is a wavy line, one end of the reference line close to the marking line is flush with the edge of the PCB board, and the minimum distance between the marking line and the reference line is not greater than the specified value D.

[0059] In the judging step, if the marking line disappears and the reference line is retained on the cut PCB board, it is judged that the board separation is qualified.

[0060] According to the preferred solution, the cut PCB single board is inspected, and when the marking line disappears but the reference line remains, the cut PCB single board passes the inspection, otherwise, it fails. BRIEF DESCRIPTION OF THE DRAWINGS

[0061] Figure 1 This is a schematic diagram of the structure of the PCB connecting board in the first embodiment of the present invention;

[0062] Figure 2 This is a basic flow chart of the method for separating PCB boards in the first embodiment of the present invention;

[0063] Figure 3 It is an overall schematic diagram (I) of a cutting schematic diagram of a PCB connecting board in the first embodiment of the present invention;

[0064] Figure 4 Schematic diagram of the cutting position of the PCB connecting board in the first embodiment of the present invention (II);

[0065] Figure 5 Schematic diagram of the cutting position of the PCB connecting board in the first embodiment of the present invention (III);

[0066] Figure 6 Schematic diagram of the cutting position of the PCB connecting board in the first embodiment of the present invention (IV);

[0067] Figure 7 Schematic diagram of the cutting position of the PCB connecting board in the first embodiment of the present invention (V);

[0068] Figure 8 is a linear schematic diagram of a reference line and a marking line in a first embodiment of the present invention;

[0069] Fig. 9 Schematic diagram of the cutting position of the PCB connecting board in the second embodiment of the present invention;

[0070] Fig.10 Schematic diagram of the cutting position of the PCB connecting board in the third embodiment of the present invention (I);

[0071] Fig.11 Schematic diagram (II) of the cutting position of the PCB connecting board in the third embodiment of the present invention.

[0072] Description of reference numerals:

[0073] 1. PCB connecting board body; 2. PCB single board; 3. Marking part; 4. Cutting part; 5. Base line; 6. Marking line. DETAILED DESCRIPTION

[0074] The present invention is further described in detail below in conjunction with the accompanying drawings of the specification. The accompanying drawings schematically and simply show the structure of the PCB connecting board and the board separation method.

[0075] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 invention.

[0076] Implementation Method 1

[0077] The first embodiment of the present invention provides a PCB connection board, see Figure 1As shown, it includes a PCB connecting board body 1, a PCB single board 2 and a marking component 3. The PCB single board 2 is formed on the PCB connecting board body 1 and can be cut out from the PCB connecting board body 1, and a cutting portion 4 is extended and formed at the end of one side of the PCB single board 2. The marking component 3 is composed of a reference line 5 flush with the edge of the PCB single board 2 and a marking line 6 formed on the cutting portion 4, and the distance between the marking line 6 and the reference line 5 is not greater than the specified value D.

[0078] Correspondingly, this embodiment also provides a method for cutting out a PCB board 2 from a PCB board. Figure 2 As shown, the following steps are included:

[0079] A marking step of forming a marking component 3 consisting of a marking line 6 and a reference line 5 on the PCB board 2, wherein the reference line 5 is flush with the edge of the PCB board 2, so that the distance between the marking line 6 and the reference line 5 is a specified value D;

[0080] A cutting step, aligning the cutting portion 4 to cut, so that the PCB single board 2 is separated from the PCB connecting board body;

[0081] In the judgment step, if the marking line 6 disappears and the reference line 5 is retained on the cut PCB board 2, it is judged that the board separation is qualified.

[0082] In the judging step, if the marking line 6 and the reference line 5 on the cut PCB board 2 disappear or remain, it is judged that the board separation is unqualified.

[0083] Compared with the prior art, the PCB connecting board and the method for dividing the PCB connecting board provided in the present embodiment, by setting the marking line 6 and the reference line 5 with a spacing not greater than the specified value D, the marking line 6 and the reference line 5 can provide a reference as a reference line for cutting the PCB connecting board, indicating that the cutting is to be performed from the middle of the marking line 6 and the reference line 5. After the PCB single board 2 is cut out from the PCB connecting board body 1, the cutting of the PCB single board 2 is manually inspected. If the reference line 5 can be seen but the marking line 6 cannot be seen, it indicates that the cutting portion 4 is cut from the middle of the marking line 6 and the reference line 5. The disappearance of the marking line 6 indicates that the distance between the residual cutting portion 4 (i.e., the burr) left on the PCB single board 2 after cutting and the reference line 5 is less than the specified value D, and the retention of the reference line 5 indicates that the edge of the PCB single board 2 has not been cut, and therefore, the cut PCB single board 2 is qualified in the inspection.

[0084] On the contrary, when neither the reference line 5 nor the marking line 6 is visible on the cut PCB board 2, it indicates that the edge of the PCB board 2 is cut, and the cut PCB board 2 fails the inspection. Alternatively, when both the reference line 5 and the marking line 6 can be seen on the cut PCB board 2, it indicates that the residual cutting portion 4 left on the PCB board 2 after cutting is large, and the distance between it and the reference line 5 is greater than the specified value D, and the cut PCB board 2 fails the inspection.

[0085] By setting the reference line 5 and the marking line 6 with a spacing not greater than the specified value D, the inspection personnel can visually observe the presence or absence of the reference line 5 and the marking line 6 on the cut PCB board 2, thereby quickly and accurately judging whether the cut PCB board 2 is qualified, which greatly improves the inspection efficiency.

[0086] Preferably, the specified value D is 0.50 mm. In this embodiment, the spacing between the marking line 6 and the reference line 5 is set to the specified value D, or the spacing between the two can be set to be smaller than the specified value D, so that when cutting between the marking line 6 and the reference line 5, it can be more precise and accurate, which is conducive to cutting a qualified PCB board 2.

[0087] Generally, lines have widths. When the width of the lines is taken into consideration, different situations can be analyzed. When there is a gap between the marking line 6 and the reference line 5, the width a of the marking line 6, the width b of the reference line 5, and the distance c between the opposite edges of the marking line 6 and the reference line 5 are designed to satisfy one of the following relationships (1)-(4):

[0088] c≤D (1);

[0089] a+c≤D(2);

[0090] b+c≤D(3);

[0091] a+b+c≤D (4).

[0092] Specifically, see Figure 3 As shown, when the end of the reference line 5 close to the marking line 6 is flush with the edge of the PCB board 2 and the distance from the end of the marking line 6 close to the reference line 5 is the specified value D, that is, c=D, the cut PCB board 2 is tested. On the cut PCB board 2, 5 lines are used to represent cutting from 5 directions. If the marking line 6 disappears and the reference line 5 is retained as shown in the cutting result of line A3, the cut PCB board 2 is qualified. On the contrary, if the marking line 6 is retained or partly remains or the reference line 5 disappears or partly remains as shown in the cutting results of A1, A2, A4 and A5, the cut PCB board 2 is unqualified.

[0093] See also Figure 4As shown, when the end of the reference line 5 close to the marking line 6 is flush with the edge of the PCB board 2 and the distance from the end of the marking line 6 far from the reference line 5 is the specified value D, that is, a+c=D, the cut PCB board 2 is tested. On the cut PCB board 2, 5 lines are used to represent cutting from 5 directions. If the marking line 6 disappears or remains partially and the reference line 5 is retained as shown in the cutting results of lines B2 and B3, the cut PCB board 2 is qualified. On the contrary, if the marking line 6 is retained or the reference line 5 disappears or remains partially as shown in the cutting results of lines B1, B4 and B5, the cut PCB board 2 is unqualified.

[0094] See also Figure 5 As shown, when the end of the reference line 5 away from the marking line 6 is flush with the edge of the PCB board 2 and the distance from the end of the marking line 6 close to the reference line 5 is the specified value D, that is, b+c=D, the cut PCB board 2 is tested. On the cut PCB board 2, 5 lines are used to represent cutting from 5 directions. If the marking line 6 disappears and the reference line 5 is retained or partially remains as shown in the cutting results of lines C3 and C4, the cut PCB board 2 is qualified. On the contrary, if the marking line 6 is retained or partially remains or the reference line 5 disappears as shown in the cutting results of lines C1, C2 and C5, the cut PCB board 2 is unqualified.

[0095] See also Figure 6 As shown, when the end of the reference line 5 away from the marking line 6 is flush with the edge of the PCB board 2 and the distance from the end of the marking line 6 away from the reference line 5 is the specified value D, that is, a+b+c=D, the cut PCB board 2 is tested. On the cut PCB board 2, 5 lines are used to represent cutting from 5 directions. If the marking line 6 disappears or remains partially and the reference line 5 is retained or remains partially as shown in the cutting results of lines D2, D3 and D4, the cut PCB board 2 is qualified. On the contrary, if the marking line 6 is retained or the reference line 5 disappears as shown in the cutting results of lines D1 and D5, the cut PCB board 2 is unqualified.

[0096] In addition, it should be noted that when the width of the marking line 6 and the reference line 5 is large and the two overlap, Figure 7As shown, the marking line 6 and the reference line 5 at this time form a rectangular plane with a width of D, and there is no gap between the marking line 6 and the reference line 5. The distance between the side of the reference line 5 and the marking line 6 away from the PCB single board 2 and the side of the reference line 5 and the marking line 6 close to the PCB single board 2 is not greater than the specified value D. At this time, the plane formed by the marking line 6 and the reference line 5 on the cutting line is cut, and the cut PCB single board 2 is tested. On the cut PCB single board 2, 3 lines are used to represent cutting from 3 directions. If there is a part of the plane formed by the marking line 6 and the reference line 5 as shown in the cutting result of the E2 line, the cut PCB single board 2 is qualified. On the contrary, if the plane formed by the marking line 6 and the reference line 5 disappears or is completely retained as shown in the cutting results of E1 and E3, the cut PCB single board 2 is unqualified.

[0097] It should be noted that during the cutting process, there may be a situation where the cutting is skewed, that is, in the cutting step, the cutting portion 4 is aligned and cut obliquely relative to the edge of the PCB single board 2. At this time, the cut PCB single board 2 is inspected, and in the judgment step, when the line width is not considered, if the marking line 6 or the reference line 5 is obliquely cut, so that part of the marking line 6 and / or the reference line 5 remains, the cut PCB single board 2 is unqualified.

[0098] Of course, when considering line width, it is necessary to analyze different situations, but in summary, Figure 3-6 In the embodiment, if there are parts of the marking line 6 and the reference line 5 remaining on the cut PCB board 2, the cut PCB board 2 fails the inspection.

[0099] exist Figure 4 and Figure 6 In the process, when the top of the marking line 6, that is, the side of the marking line 6 away from the reference line 5, is used as the reference for judgment, on the cut PCB single board 2, if part of the marking line 6 remains and the cutting line passes through the bottom of the marking line 6 but not the top of the marking line 6, the cut PCB single board 2 is qualified in the inspection; if part of the marking line 6 remains and the cutting line passes through the top and bottom of the marking line 6, the cut PCB single board 2 is unqualified in the inspection.

[0100] exist Figure 3 and Figure 5 In the example, when the bottom of the marking line 6, that is, the side of the marking line 6 close to the reference line 5, is used as the reference for judgment, if the marking line 6 is retained or part of it remains on the cut PCB board 2, the cut PCB board 2 is unqualified.

[0101] exist Figure 3 and Figure 4In the process, when the bottom of the reference line 5, that is, the side of the reference line 5 close to the marking line 6 is used as the reference for judgment, on the cut PCB single board 2, if part of the reference line 5 remains and the cutting line passes through the top of the reference line 5 but does not pass through the bottom of the reference line 5, the cut PCB single board 2 is qualified in the inspection; if part of the reference line 5 remains and the cutting line passes through the top and bottom of the reference line 5, the cut PCB single board 2 is unqualified in the inspection.

[0102] exist Figure 4 and Figure 6 In the example, when the top of the reference line 5, that is, the side of the reference line 5 away from the marking line 6 is used as the reference for judgment, if the reference line 5 is retained or part of it remains on the cut PCB board 2, the cut PCB board 2 is unqualified.

[0103] When the marking line 6 and the reference line 5 form a rectangular plane with a width D, Figure 7 In the process, if part of the plane formed by the marking line 6 and the reference line 5 remains and the cutting line passes through the top of the plane formed by the marking line 6 and the reference line 5 but does not pass through the bottom of the plane formed by the marking line 6 and the reference line 5, the cut PCB single board 2 is qualified in the inspection; if part of the plane formed by the marking line 6 and the reference line 5 remains and the cutting line passes through the top and the bottom of the plane formed by the marking line 6 and the reference line 5, the cut PCB single board 2 is unqualified in the inspection.

[0104] In the marking step, the color of the marking line 6 and / or the reference line 5 is different from the color of the PCB connecting board body 1, so that the color of the marking line 6 and / or the reference line 5 is set to be different from the color of the PCB connecting board body 1. The marking line 6, the reference line 5 and the PCB connecting board body 1 have different colors, which is conducive to naked eye observation and distinction by the inspector, speeds up the inspector's manual inspection of whether the cut PCB single board 2 is qualified or not, and improves the inspection efficiency.

[0105] In the marking step, see Figure 8 As shown, the marking line 6 and / or the reference line 5 are formed into a line segment or a dashed line formed by a plurality of points arranged continuously, so that the marking line 6 and / or the reference line 5 are formed into a line segment or a dashed line formed by a plurality of points arranged continuously. The marking line 6 and the reference line 5 can be in various forms, not limited to one form, as long as they can play the role of marking the position.

[0106] In particular, the cutting portion 4 is integrally formed with the PCB single board 2 and the PCB connecting board body 1. The PCB connecting board body 1 is processed to form the integrally formed cutting portion 4 and the PCB single board 2, which can simplify the molding process of the cutting portion 4 and the PCB single board 2 and improve the structural strength of the PCB connecting board.

[0107] In this embodiment, a plurality of PCB boards 2 are provided on the same PCB connecting board body 1, and the provision of a plurality of PCB boards 2 can realize batch processing and production of the PCB boards 2. At least one PCB board 2 has cutting portions 4 extending from both ends thereof and marking components 3 formed thereon respectively, and the cutting portions 4 are formed at least on both sides of the PCB board 2, which can improve the connection strength between the PCB board 2 and the PCB connecting board body 1, and prevent the PCB connecting board body 1 from bending or deformation.

[0108] Implementation Method 2

[0109] The second embodiment of the present invention provides a PCB connecting board and a method for separating the boards. The second embodiment is a further improvement of the first embodiment. The parts not specially explained, including the figure marks and text descriptions, are the same as the first embodiment and will not be repeated here.

[0110] The main improvement of the second embodiment over the first embodiment is that, in the second embodiment of the present invention, combined with Fig. 9 From the above, in the marking step, the marking line 6 and / or the reference line 5 are marked so as to be oblique lines, the reference line 5 is located at the cutting portion 4 and one end of the reference line 5 is flush with the edge of the PCB board 2, and the maximum distance between the marking line 6 and the reference line 5 is not greater than the specified value D. In the judging step, if the marking line 6 disappears or a part of it remains on the cut PCB board 2 and the reference line 5 remains or a part of it remains, it is judged that the board separation is qualified.

[0111] According to the preferred solution, the cut PCB board 2 is inspected at this time, and 5 lines are used on the cut PCB board 2 to indicate cutting from 5 directions. If the marking line 6 disappears or remains partially and the reference line 5 is retained or remains partially as shown in the cutting results of the F2, F3 and F4 lines, the cut PCB board 2 is qualified. On the contrary, if the marking line 6 is retained or the reference line 5 disappears as shown in the cutting results of the F1 and F5 lines, the cut PCB board 2 is unqualified.

[0112] By setting the marking line 6 and the reference line 5 as oblique lines, when the road is cut to the reference line 5 or the marking line 6, it is possible to more effectively, quickly and accurately observe whether the reference line 5 and the marking line 6 are cut, thereby more intuitively and quickly observing whether the cut PCB board 2 is qualified, further improving the detection efficiency.

[0113] Implementation Method 3

[0114] The third embodiment of the present invention provides a PCB connecting board and a method for separating the boards. The third embodiment is a further improvement on the first or second embodiment. The parts not specially explained, including the figure marks and text descriptions, are the same as the first or second embodiment and will not be repeated here.

[0115] The main improvement of the third embodiment over the first or second embodiment is that, in the third embodiment of the present invention, combined with Fig.10 In the marking step, the marking line 6 and / or the reference line 5 are marked so that they are wavy lines, the end of the reference line 5 away from the marking line 6 is flush with the edge of the PCB board 2, and the maximum distance between the marking line 6 and the reference line 5 is not greater than the specified value D.

[0116] According to the preferred embodiment, the cut PCB board 2 is inspected, and 5 lines are used to represent cutting from 5 directions on the cut PCB board 2. If the marking line 6 disappears or remains partially and the reference line 5 remains or remains partially as shown in the cutting results of lines G2, G3 and G4, the cut PCB board 2 is qualified. On the contrary, if the marking line 6 remains or the reference line 5 remains as shown in the cutting results of lines G1 and G5, the cut PCB board 2 is unqualified.

[0117] Of course, you can also Fig.11 As shown, in the marking step, the marking line 6 and / or the reference line 5 are marked so that they are wavy lines, the end side of the reference line 5 close to the marking line 6 is flush with the edge of the PCB board 2, and the minimum distance between the marking line 6 and the reference line 5 is not greater than the specified value D. On the cut PCB board 2, 5 lines are used to represent cutting from 5 directions. If the marking line 6 disappears and the reference line 5 is retained as shown in the cutting result of the H3 line, the cut PCB board 2 is qualified. On the contrary, if the marking line 6 is retained or partly remains or the reference line 5 disappears or partly remains as shown in the cutting results of H1, H2, H4 and H5, the cut PCB board 2 is unqualified.

[0118] For those skilled in the art, the various steps of the above control method can be deleted or the order can be adjusted as needed within the scope of the technical concept of the present invention.

[0119] Those skilled in the art will appreciate that, in the above-mentioned embodiments, many technical details are provided in order to enable readers to better understand the present application. However, even without these technical details and various changes and modifications based on the above-mentioned embodiments, the technical solutions claimed for protection in the claims of the present application can be basically realized. Therefore, in practical applications, various changes can be made to the above-mentioned embodiments in form and detail without departing from the spirit and scope of the present invention.

Claims

1. A method for cutting a PCB from a PCB concatenated board, characterized in that: The steps include: a marking step of forming a marking component consisting of a marking line and a reference line on the PCB, wherein the reference line is flush with an edge of the PCB, so that a distance between the marking line and the reference line is not greater than a specified value D, wherein the specified value D is 0.50 mm; a cutting step, cutting at the cutting portion so that the PCB is separated from the PCB connecting plate body, wherein “cutting at the cutting portion” includes cutting at an angle relative to the edge of the PCB by aligning the cutting portion; Judging step: if the marking line on the cut PCB board disappears and the reference line is retained, it is judged that the board separation is qualified; Taking the top of the marking line as the reference for judgment, on the cut PCB board, if part of the marking line remains and the cutting line passes through the bottom of the marking line but does not pass through the top of the marking line, it is judged that the board separation is qualified; if part of the marking line remains and the cutting line passes through the top and bottom of the marking line, it is judged that the board separation is unqualified; and / or Taking the bottom of the reference line as the reference for judgment, on the cut PCB board, if part of the reference line remains and the cutting line passes through the top of the reference line but does not pass through the bottom of the reference line, it is judged that the board separation is qualified; if part of the reference line remains and the cutting line passes through the top and bottom of the reference line, it is judged that the board separation is unqualified; There is a gap between the marking line and the reference line, and the width a of the marking line, the width b of the reference line, and the distance c between the marking line and the opposite edge of the reference line are designed to satisfy one of the following relationships (1)-(4): c≤D (1); a+c≤D (2); b+c≤D (3); a+b+c≤D (4).

2. The method for separating panels according to claim 1, characterized in that: The color of the marking line and / or the reference line is different from the color of the PCB connecting board body.

3. The method for separating panels according to claim 1, characterized in that: The marking line and / or the reference line is formed in a line segment shape or a dotted line shape in which a plurality of points are continuously arranged.

4. The method for separating panels according to claim 1, characterized in that: The cutting portion is integrally formed with the PCB board.

5. The method for separating panels according to claim 1, characterized in that: A plurality of PCB boards are provided, and at least one of the PCB boards has cutting portions extending from both ends thereof and marking components formed thereon.

6. The method for separating panels according to claim 1, characterized in that: The marking line and / or the reference line is an oblique line, the reference line is located at the cutting portion and one end of the reference line is flush with the edge of the PCB board, and the maximum distance between the marking line and the reference line is not greater than a specified value D.

7. The method for separating panels according to claim 1, characterized in that: The marking line and / or the reference line is a wavy line, one end of the reference line away from the marking line is flush with the edge of the PCB board, and the maximum distance between the marking line and the reference line is not greater than a specified value D.

8. The method for separating panels according to claim 1, characterized in that: The marking line and / or the reference line is a wavy line, one end of the reference line close to the marking line is flush with the edge of the PCB board, and the minimum distance between the marking line and the reference line is not greater than a specified value D.

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