Universal reverse positioning tool for board splitting machine and implementation method

Abstract

The invention belongs to the technical field of board splitting machine printed board makeup positioning, and particularly relates to a universal reverse positioning tool for a board splitting machine and an implementation method. The universal reverse positioning tool comprises fastening screws, an equal-height table, ejector pins, magnetic blocks, ejector pin magnets, magnetic block magnets and a foundation board; the printed board is placed on the four magnetic blocks in the normal direction, fixed through the four fastening screws and then turned over to be placed on the four equal-height tables, the thimbles with the corresponding number are placed according to the positioning holes in the printed board, and the foundation board falls down and is attached with the gravity of the foundation board when gradually getting close to the thimbles and the magnetic blocks. And finally, the whole tool is turned over and placed on a workbench of a board splitting machine to be fixed, and the positioning process can be completed. According to the tool, the positioning visual angle of a traditional tool is expanded through reverse clamping, operation is convenient, and a printed board can be prevented from being scratched by the tip; the requirements of various kinds of printed board makeup on the aspects of adaptability, accuracy, safety, reliability and the like of board splitting positioning of the board splitting machine can be met, and good popularization value is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of printed board assembly positioning of a board separator, and specifically relates to a universal reverse positioning tool for a board separator and a realization method thereof, which is suitable for positioning and clamping various printed board assembly on the board separator. Background Art

[0002] The panel separator comes with a magnetic ejector fixture, which uses the holes on the PCBA printed board for positioning. Affected by factors such as the magnetic force at the bottom of the ejector and the interference of circuit components on the printed board, the ejector is difficult to move, and positioning and plugging are inconvenient, which can easily scratch the printed board. In addition, when the operator bends over to move the ejector, the PCBA printed board blocks the view, limiting the field of vision and affecting the clamping efficiency. Summary of the invention

[0003] 1. Technical issues to be resolved

[0004] The technical problem to be solved by the present invention is: how to provide a universal reverse positioning tooling for a panel splitter and an implementation method thereof, so as to solve the problems that the magnetic ejector provided by the existing panel splitter is difficult to move, inconvenient to position and plug in, and easy to scratch the printed circuit board; and the operator bends over to move the ejector, and the PCBA printed circuit board blocks the line of sight, resulting in limited field of vision and low clamping efficiency.

[0005] (II) Technical solution

[0006] In order to solve the above technical problems, the present invention provides a universal reverse positioning tool for a panel splitter, the universal reverse positioning tool for a panel splitter comprising: a fastening screw (1), an ejector pin (4), a magnetic block (5), an ejector pin magnet (6), a magnetic block magnet (7), and a base plate (8);

[0007] The magnetic block (5) is provided with two circular countersunk holes at one end and two raised positioning platforms at the other end, and an M3 threaded hole is provided in the middle of the raised positioning platform for fastening the printed circuit board (3); the magnetic block magnet (7) is a circular strong magnet, which cooperates with the circular countersunk holes of the magnetic block (5);

[0008] The ejector pin (4) comprises an ejector pin head (9) and an ejector pin seat (10), wherein the ejector pin head (9) and one end of the ejector pin seat (10) are connected to form an integral body via an M3 thread; a circular countersunk hole is provided at the other end of the ejector pin seat (10) for use in conjunction with an ejector pin magnet (6); the ejector pin magnet (6) is a circular strong magnet for use in conjunction with the circular countersunk hole of the ejector pin seat (10);

[0009] One side of the printed circuit board (3) is fixed and pressed together with four magnetic blocks (5) by four fastening screws (1) to ensure the stability of the reverse clamping process; the fastening screws (1) are screwed into the M3 threaded holes in the middle of the raised positioning platform of the magnetic block (5); thus, the magnetic block (5) and the printed circuit board (3) form a connection structure;

[0010] When the above connection structure is formed, the ejector pin heads (9) of the plurality of ejector pins (4) are respectively inserted into the positioning holes on the printed circuit board (3); thus, the magnetic block (5), the ejector pins (4) and the printed circuit board (3) form an integral structure;

[0011] The base plate (8) supports the overall structure composed of the magnetic block (5), the ejector pin (4) and the printed circuit board (3), and the magnetic block (5) is attracted to the base plate (8) by the magnetic block magnet (7) and the ejector pin (4) is attracted to the ejector pin magnet (6).

[0012] The universal reverse positioning tooling for the panel splitter also includes an equal height platform (2);

[0013] The equal height platform (2) is fixed on a plane and is used for, after the magnetic block (5) and the printed circuit board (3) form a connection structure, turning the connection structure over so that the connection surface of the printed circuit board (3) and the four magnetic blocks (5) faces upward and the other surface faces downward, and placing the printed circuit board (3) on the four equal height platforms (2) so that the printed circuit board (3) is in a horizontal state; the ejector pin heads (9) of the plurality of ejector pins (4) are respectively inserted into the positioning holes on the printed circuit board (3), and the magnetic block (5), the ejector pin (4) and the printed circuit board (3) form an integral structure; and then the base plate (8) is moved toward the integral structure, so that the magnetic block magnet (7) on the magnetic block (5) and the ejector pin magnet (6) on the ejector pin (4) are attracted to the base plate (8).

[0014] By turning the whole structure over so that the other side of the printed board (3) faces downward, the printed board (3) is placed on four equal-height platforms (2) so that the printed board (3) is in a horizontal state. In this state, the ejector heads (9) of the plurality of ejector pins (4) are respectively inserted into the positioning holes on the printed board (3), thereby avoiding the problems that the original ejector pins of the machine tool are adsorbed on the work surface and are inconvenient to move, the operator bends over to move the ejector pins, the printed board (3) blocks the line of sight, the field of vision is limited, the clamping efficiency is low, and the printed board is easily scratched.

[0015] After the magnetic block magnet (7) on the magnetic block (5) and the ejector magnet (6) on the ejector (4) are attracted to the base plate (8), the final universal reverse positioning tooling for the panel splitter is formed. The universal reverse positioning tooling for the panel splitter is turned over and placed on the workbench of the panel splitter for fixing, thus completing the positioning process.

[0016] The outer circle of the fastening screw (1) is knurled for easy tightening, and the large end surface at the thread is pressed against the printed circuit board (3).

[0017] The thickness of the magnetic block magnet (7) is 0 to 0.05 mm less than the depth of the circular countersunk hole at the bottom of the magnetic block (5), and is used to control the magnetic preload.

[0018] The thickness of the ejector magnet (6) is 0 to 0.05 mm smaller than the depth of the circular countersunk hole at the bottom of the ejector seat (10), and is used to control magnetic pre-tightening.

[0019] The ejector head (9) is configured with head diameters of different specifications as required to improve positioning accuracy.

[0020] The printed circuit board (3) is a PCBA printed circuit board.

[0021] In addition, the present invention also provides a method for realizing a universal reverse positioning tool for a panel splitter, the method comprising:

[0022] Step 1: prepare a magnetic block (5) and a magnetic block magnet (7), wherein one end of the magnetic block (5) is provided with two circular countersunk holes, and the other end is provided with two raised positioning platforms, and the middle of the raised positioning platforms is provided with an M3 threaded hole for fastening the printed circuit board (3); the magnetic block magnet (7) is a circular strong magnet, which cooperates with the circular countersunk holes of the magnetic block (5);

[0023] Step 2: Prepare an ejector pin (4) and an ejector pin magnet (6); the ejector pin (4) comprises an ejector pin head (9) and an ejector pin seat (10), and the ejector pin head (9) and one end of the ejector pin seat (10) are connected to form an integral whole through an M3 thread; a circular countersunk hole is provided at the other end of the ejector pin seat (10) for use with the ejector pin magnet (6); the ejector pin magnet (6) is a circular strong magnet for use with the circular countersunk hole of the ejector pin seat (10);

[0024] Step 3: Fix and press one side of the printed circuit board (3) and the four magnetic blocks (5) together through four fastening screws (1) to ensure the stability of the reverse clamping process; screw the fastening screws (1) into the M3 threaded hole in the middle of the raised positioning platform of the magnetic block (5); at this point, the magnetic block (5) and the printed circuit board (3) form a connection structure;

[0025] Step 4: Turn the connection structure over so that the bonding surface of the printed circuit board (3) and the four magnetic blocks (5) faces upward and the other surface faces downward, and the printed circuit board (3) is placed on four equal-height platforms (2) so that the printed circuit board (3) is in a horizontal state; the ejector pin heads (9) of the plurality of ejector pins (4) are respectively inserted into the positioning holes on the printed circuit board (3), so that the magnetic blocks (5), the ejector pins (4) and the printed circuit board (3) form an integral structure;

[0026] Step 5: Move the base plate (8) toward the overall structure, and then the magnetic block magnet (7) on the magnetic block (5) and the ejector magnet (6) on the ejector pin (4) are attracted to the base plate (8), thereby forming the final universal reverse positioning tooling for the panel splitter;

[0027] Step 6: Turn over the universal reverse positioning tool of the board separator and place it on the workbench of the board separator to fix it, thus completing the positioning process.

[0028] (III) Beneficial effects

[0029] The present invention designs a universal reverse positioning tooling for a panel splitter and a method for implementing the same. Figure 1 , Figure 6 shown. Figure 1 This is a schematic diagram of the flip positioning process of the reverse positioning tooling. The positioning holes and circuit components on the PCBA printed board are fully displayed in front of the operator. At this time, you only need to insert the ejector pins into the positioning holes one by one and cover the base board. The various problems that existed before are also completely solved. Figure 6 This is a diagram of the reverse positioning tooling in use on the machine tool workbench, which can fully meet the actual production needs.

[0030] Compared with the prior art, the universal reverse positioning tooling for the panel splitter provided by the technical solution of the present invention solves the problems that the magnetic ejector pins of the prior panel splitter are difficult to move, inconvenient to position and plug in, and easy to scratch the printed circuit board. In addition, when the operator bends over to move the ejector pins, the PCBA printed board blocks the view, limiting the field of vision and causing low clamping efficiency.

[0031] The tooling of the present invention is universal, saving the cost of special tooling, and the operator can conveniently and quickly perform reverse positioning operations. After thousands of different types of printed board layouts have been positioned and clamped, the processing process is stable, which verifies that the tooling can meet the requirements of various types of printed board layouts for the positioning adaptability, accuracy, safety, reliability, etc. of the panel splitting machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the flipping positioning process of the universal reverse positioning tooling of the panel splitter.

[0033] Figure 2 It is a schematic diagram of the structure of the magnetic block assembly.

[0034] Figure 3 It is a schematic diagram of the ejector assembly structure.

[0035] Figure 4 It is a schematic diagram of fixing the PCBA printed circuit board.

[0036] Figure 5 It is a schematic diagram of inserting the ejector pin into the positioning hole of the PCBA printed board in reverse.

[0037] Figure 6 This is a diagram of the reverse positioning tool in use on the machine tool workbench.

[0038] Figure 1 and Figure 6 They are respectively the reverse and front schematic diagrams of the universal reverse positioning tooling for the panel splitting machine of the present invention.

[0039] 1-fastening screw; 2-equal height platform; 3-printed circuit board; 4-thimble; 5-magnetic block; 6-thimble magnet; 7-magnetic block magnet; 8-base plate; 9-thimble head; 10-thimble seat. DETAILED DESCRIPTION

[0040] In order to make the purpose, content, and advantages of the present invention more clear, the specific implementation methods of the present invention are further described in detail below in conjunction with the accompanying drawings and examples.

[0041] In order to solve the above technical problems, the present invention provides a universal reverse positioning tool for a panel splitter, such as Figure 1 As shown, the universal reverse positioning tooling of the panel splitter comprises: a fastening screw (1), an ejector pin (4), a magnetic block (5), an ejector pin magnet (6), a magnetic block magnet (7), and a base plate (8);

[0042] like Figure 2 As shown, the magnetic block (5) is provided with two circular countersunk holes at one end and two raised positioning platforms at the other end, and an M3 threaded hole is provided in the middle of the raised positioning platform for fastening the printed circuit board (3); the magnetic block magnet (7) is a circular strong magnet, which cooperates with the circular countersunk holes of the magnetic block (5);

[0043] like Figure 3 As shown, the ejector pin (4) comprises an ejector pin head (9) and an ejector pin seat (10), wherein the ejector pin head (9) and one end of the ejector pin seat (10) are connected as one body through an M3 thread; a circular countersunk hole is provided at the other end of the ejector pin seat (10) for use in conjunction with an ejector pin magnet (6); the ejector pin magnet (6) is a circular strong magnet for use in conjunction with the circular countersunk hole of the ejector pin seat (10);

[0044] One side of the printed circuit board (3) is fixed and pressed together with four magnetic blocks (5) by four fastening screws (1) to ensure the stability of the reverse clamping process; the fastening screws (1) are screwed into the M3 threaded holes in the middle of the raised positioning platform of the magnetic block (5); thus, the magnetic block (5) and the printed circuit board (3) form a connection structure;

[0045] When the above connection structure is formed, the ejector pin heads (9) of the plurality of ejector pins (4) are respectively inserted into the positioning holes on the printed circuit board (3); thus, the magnetic block (5), the ejector pins (4) and the printed circuit board (3) form an integral structure;

[0046] The base plate (8) supports the overall structure composed of the magnetic block (5), the ejector pin (4) and the printed circuit board (3), and the magnetic block (5) is attracted to the base plate (8) by the magnetic block magnet (7) and the ejector pin (4) is attracted to the ejector pin magnet (6).

[0047] The universal reverse positioning tooling for the panel splitter also includes an equal height platform (2);

[0048] The equal height platform (2) is fixed on a plane and is used for, after the magnetic block (5) and the printed circuit board (3) form a connection structure, turning the connection structure over so that the connection surface of the printed circuit board (3) and the four magnetic blocks (5) faces upward and the other surface faces downward, and placing the printed circuit board (3) on the four equal height platforms (2) so that the printed circuit board (3) is in a horizontal state; the ejector pin heads (9) of the plurality of ejector pins (4) are respectively inserted into the positioning holes on the printed circuit board (3), and the magnetic block (5), the ejector pin (4) and the printed circuit board (3) form an integral structure; and then the base plate (8) is moved toward the integral structure, so that the magnetic block magnet (7) on the magnetic block (5) and the ejector pin magnet (6) on the ejector pin (4) are attracted to the base plate (8).

[0049] By turning the whole structure over so that the other side of the printed board (3) faces downward, the printed board (3) is placed on four equal-height platforms (2) so that the printed board (3) is in a horizontal state. In this state, the ejector heads (9) of the plurality of ejector pins (4) are respectively inserted into the positioning holes on the printed board (3), thereby avoiding the problems that the original ejector pins of the machine tool are adsorbed on the work surface and are inconvenient to move, the operator bends over to move the ejector pins, the printed board (3) blocks the line of sight, the field of vision is limited, the clamping efficiency is low, and the printed board is easily scratched.

[0050] After the magnetic block magnet (7) on the magnetic block (5) and the ejector magnet (6) on the ejector (4) are attracted to the base plate (8), the final universal reverse positioning tooling for the panel splitter is formed. The universal reverse positioning tooling for the panel splitter is turned over and placed on the workbench of the panel splitter for fixing, thus completing the positioning process.

[0051] The outer circle of the fastening screw (1) is knurled for easy tightening, and the large end surface at the thread is pressed against the printed circuit board (3).

[0052] The thickness of the magnetic block magnet (7) is 0 to 0.05 mm less than the depth of the circular countersunk hole at the bottom of the magnetic block (5), and is used to control the magnetic preload.

[0053] The thickness of the ejector magnet (6) is 0 to 0.05 mm smaller than the depth of the circular countersunk hole at the bottom of the ejector seat (10), and is used to control magnetic pre-tightening.

[0054] The ejector head (9) is configured with head diameters of different specifications as required to improve positioning accuracy.

[0055] The printed circuit board (3) is a PCBA printed circuit board.

[0056] In addition, the present invention also provides a method for realizing a universal reverse positioning tool for a panel splitter, the method comprising:

[0057] Step 1: prepare a magnetic block (5) and a magnetic block magnet (7), wherein one end of the magnetic block (5) is provided with two circular countersunk holes, and the other end is provided with two raised positioning platforms, and the middle of the raised positioning platforms is provided with an M3 threaded hole for fastening the printed circuit board (3); the magnetic block magnet (7) is a circular strong magnet, which cooperates with the circular countersunk holes of the magnetic block (5);

[0058] Step 2: Prepare an ejector pin (4) and an ejector pin magnet (6); the ejector pin (4) comprises an ejector pin head (9) and an ejector pin seat (10), and the ejector pin head (9) and one end of the ejector pin seat (10) are connected to form an integral whole through an M3 thread; a circular countersunk hole is provided at the other end of the ejector pin seat (10) for use with the ejector pin magnet (6); the ejector pin magnet (6) is a circular strong magnet for use with the circular countersunk hole of the ejector pin seat (10);

[0059] Step 3: Fix and press one side of the printed circuit board (3) and the four magnetic blocks (5) together through four fastening screws (1) to ensure the stability of the reverse clamping process; screw the fastening screws (1) into the M3 threaded hole in the middle of the raised positioning platform of the magnetic block (5); at this point, the magnetic block (5) and the printed circuit board (3) form a connection structure;

[0060] Step 4: Turn the connection structure over so that the bonding surface of the printed circuit board (3) and the four magnetic blocks (5) faces upward and the other surface faces downward, and the printed circuit board (3) is placed on four equal-height platforms (2) so that the printed circuit board (3) is in a horizontal state; the ejector pin heads (9) of the plurality of ejector pins (4) are respectively inserted into the positioning holes on the printed circuit board (3), so that the magnetic blocks (5), the ejector pins (4) and the printed circuit board (3) form an integral structure;

[0061] Step 5: Move the base plate (8) toward the overall structure, and then the magnetic block magnet (7) on the magnetic block (5) and the ejector magnet (6) on the ejector pin (4) are attracted to the base plate (8), thereby forming the final universal reverse positioning tooling for the panel splitter;

[0062] Step 6: Turn over the universal reverse positioning tool of the board separator and place it on the workbench of the board separator to fix it, thus completing the positioning process.

[0063] Example 1

[0064] like Figure 1 and Figure 6As shown, the present invention provides a universal reverse positioning tool for a panel splitter, comprising a fastening screw (1), an equal height platform (2), an ejector pin (4), a magnetic block (5), an ejector pin magnet (6), a magnetic block magnet (7), and a base plate (8), which is used to fix a PCBA printed board (3) to achieve positioning panel splitting processing. When the operator holds the base plate (8) flat with both hands and gradually approaches the ejector pin (4) and the magnetic block (5), the base plate falls and fits with its own gravity, and finally the entire tool is turned over and placed on the workbench of the panel splitter for fixing, and the four fastening screws (1) are removed to complete the positioning and panel splitting processing.

[0065] like Figure 2 and Figure 3 As shown, the magnetic block (5) and the ejector seat (10) are both fixed to the base plate (8) by the circular magnet at the bottom. The bottom of the magnetic block (5) has two circular countersunk holes, and the top has two raised positioning platforms. The middle of the positioning platform has an M3 threaded hole for fastening the printed circuit board; the magnetic block magnet (7) is a circular strong magnet, which cooperates with the circular countersunk hole at the bottom of the magnetic block (5). The thickness of the magnet is 0 to 0.05 mm less than the depth of the countersunk hole, which is used to control the magnetic preload. The ejector head (9) and the ejector seat (10) are connected to form an ejector (4) through M3 threads. The ejector head (9) can be configured with different head diameters as needed to improve the positioning accuracy. The ejector seat (10) has a circular countersunk hole at the bottom, which is used in conjunction with the ejector magnet (6). The ejector magnet (6) is a circular strong magnet, which cooperates with the circular countersunk hole at the bottom of the ejector seat (10). The thickness of the magnet is 0 to 0.05 mm less than the depth of the countersunk hole, which is used to control the magnetic preload.

[0066] like Figure 4 As shown, the fastening screw (1) and the magnetic block (5) are connected by threads to fix the PCBA printed board (3). The four fastening screws (1) are connected to the threaded holes on the four magnetic blocks (5) respectively, thereby fixing and pressing the PCBA printed board (3) into one body to ensure the stability of the reverse clamping process. The outer circle of the fastening screw (1) is knurled for easy tightening, and the large end surface of the thread is pressed against the PCBA printed board (3).

[0067] like Figure 5 As shown, the fastening screw (1) and the magnetic block (5) are connected by threads to fix the PCBA printed board (3). The PCBA printed board (3) is turned over and placed on four equal-height platforms (2), and the ejector pins (4) are respectively inserted into the positioning holes on the PCBA printed board (3). This can avoid the problems that the original ejector pin of the machine tool is adsorbed on the workbench and is inconvenient to move, the operator bends over to move the ejector pin, the PCBA printed board (3) blocks the line of sight, the field of vision is limited, the clamping efficiency is low, and the printed board is easily scratched.

[0068] The implementation steps for the above contents are:

[0069] Step 1: If Figure 2As shown, ensure that the magnetic block assembly meets the characteristic requirements.

[0070] Step 2: If Figure 3 As shown, ensure that the ejector assembly meets the characteristic requirements.

[0071] Step 3: If Figure 4 As shown, the PCBA printed board is fixed.

[0072] Step 4: If Figure 5 As shown in the figure, insert the ejector pin into the positioning hole of the PCBA printed board in reverse.

[0073] Step 5: If Figure 1 As shown, fit the base plate.

[0074] Step 6: If Figure 6 As shown, the reverse positioning fixture is used on the machine tool workbench.

[0075] The tooling can meet the requirements of various printed board panelization for the adaptability, accuracy, safety, reliability and other aspects of the panel positioning of the panel splitter, and has good promotion value.

[0076] Example 2

[0077] The universal reverse positioning tooling of the board splitter in this embodiment is shown in FIG. Figure 1 , including a fastening screw (1), a level platform (2), an ejector pin (4), a magnetic block (5), an ejector pin magnet (6), a magnetic block magnet (7), and a base plate (8). Figure 4 , four fastening screws (1) can be connected to the threaded holes on the four magnetic blocks (5) respectively, so as to fix and press the PCBA printed board (3) into one body, so as to ensure the stability of the reverse clamping process. Figure 5 , turn over the PCBA printed board (3) and place it on four equal-height platforms (2), and insert the ejector pins (4) into the positioning holes on the PCBA printed board (3). Figure 1 and Figure 6 The operator holds the base plate (8) with both hands and gradually approaches the ejector pin (4) and the magnetic block (5), and the base plate (8) falls down and fits into the base plate under its own gravity. Finally, the entire tooling is turned over and placed on the workbench of the panel splitter to complete the positioning process.

[0078] Reverse positioning principle:

[0079] The operator places the PCBA printed board (3) on four equal-height platforms (2) in reverse, inserts the ejector pins (4) one by one, and covers the base plate (8) to complete the positioning process. The four fastening screws (1) are respectively connected to the threaded holes on the four magnetic blocks (5), thereby fixing and pressing the PCBA printed board (3) into one body to ensure the stability of the reverse clamping process. Finally, the base plate (8) is turned over and placed on the working table of the board splitter to fix it, and the four fastening screws (1) are removed to complete the positioning and carry out the board splitting process.

[0080] Positioning accuracy:

[0081] The positioning accuracy of the universal reverse positioning fixture of the panel splitter is not lower than the positioning accuracy of the fixture provided by the machine tool, and the positioning accuracy can be further improved by using a special ejector pin. Figure 3 The ejector pin (4) is connected to an ejector pin head (9) and an ejector pin seat (10) by an M3 thread. The ejector pin head (9) can be configured with different head diameters as required to reduce the gap with the positioning hole on the PCBA printed board to improve the positioning accuracy.

[0082] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A universal reverse positioning tool for a board splitter, characterized in that: The universal reverse positioning tooling of the panel splitter comprises: a fastening screw (1), an ejector pin (4), a magnetic block (5), an ejector pin magnet (6), a magnetic block magnet (7), and a base plate (8); The magnetic block (5) is provided with two circular countersunk holes at one end and two raised positioning platforms at the other end, and an M3 threaded hole is provided in the middle of the raised positioning platform for fastening the printed circuit board (3); the magnetic block magnet (7) is a circular strong magnet, which cooperates with the circular countersunk holes of the magnetic block (5); The ejector pin (4) comprises an ejector pin head (9) and an ejector pin seat (10), wherein the ejector pin head (9) and one end of the ejector pin seat (10) are connected to form an integral body via an M3 thread; a circular countersunk hole is provided at the other end of the ejector pin seat (10) for use in conjunction with an ejector pin magnet (6); the ejector pin magnet (6) is a circular strong magnet for use in conjunction with the circular countersunk hole of the ejector pin seat (10); One side of the printed circuit board (3) is fixed and pressed together with four magnetic blocks (5) by four fastening screws (1) to ensure the stability of the reverse clamping process; the fastening screws (1) are screwed into the M3 threaded holes in the middle of the raised positioning platform of the magnetic block (5); thus, the magnetic block (5) and the printed circuit board (3) form a connection structure; When the above connection structure is formed, the ejector pin heads (9) of the plurality of ejector pins (4) are respectively inserted into the positioning holes on the printed circuit board (3); thus, the magnetic block (5), the ejector pins (4) and the printed circuit board (3) form an integral structure; The base plate (8) supports the overall structure composed of the magnetic block (5), the ejector pin (4) and the printed circuit board (3), and the magnetic block (5) is attracted to the base plate (8) by the magnetic block magnet (7) and the ejector pin (4) is attracted to the ejector pin magnet (6).

2. The universal reverse positioning tool for a panel splitter according to claim 1, characterized in that: The universal reverse positioning tooling for the panel splitter also includes an equal height platform (2); The equal height platform (2) is fixed on a plane and is used for, after the magnetic block (5) and the printed circuit board (3) form a connection structure, turning the connection structure over so that the connection surface of the printed circuit board (3) and the four magnetic blocks (5) faces upward and the other surface faces downward, and placing the printed circuit board (3) on the four equal height platforms (2) so that the printed circuit board (3) is in a horizontal state; the ejector pin heads (9) of the plurality of ejector pins (4) are respectively inserted into the positioning holes on the printed circuit board (3), and the magnetic block (5), the ejector pin (4) and the printed circuit board (3) form an integral structure; and then the base plate (8) is moved toward the integral structure, so that the magnetic block magnet (7) on the magnetic block (5) and the ejector pin magnet (6) on the ejector pin (4) are attracted to the base plate (8).

3. The universal reverse positioning tool for a panel splitter according to claim 2, characterized in that: By turning the whole structure over so that the other side of the printed board (3) faces downward, the printed board (3) is placed on four equal-height platforms (2) so that the printed board (3) is in a horizontal state. In this state, the ejector heads (9) of the plurality of ejector pins (4) are respectively inserted into the positioning holes on the printed board (3), thereby avoiding the problems that the original ejector pins of the machine tool are adsorbed on the work surface and are inconvenient to move, the operator bends over to move the ejector pins, the printed board (3) blocks the line of sight, the field of vision is limited, the clamping efficiency is low, and the printed board is easily scratched.

4. The universal reverse positioning tool for a panel splitter according to claim 2, characterized in that: After the magnetic block magnet (7) on the magnetic block (5) and the ejector magnet (6) on the ejector (4) are attracted to the base plate (8), the final universal reverse positioning tooling for the panel splitter is formed. The universal reverse positioning tooling for the panel splitter is turned over and placed on the workbench of the panel splitter for fixing, thus completing the positioning process.

5. The universal reverse positioning tool for a panel splitter according to claim 1, characterized in that: The outer circle of the fastening screw (1) is knurled for easy tightening, and the large end surface at the thread is pressed against the printed circuit board (3).

6. The universal reverse positioning tool for a panel splitter according to claim 1, characterized in that: The thickness of the magnetic block magnet (7) is 0 to 0.05 mm smaller than the depth of the circular countersunk hole at the bottom of the magnetic block (5), and is used to control magnetic pre-tightening.

7. The universal reverse positioning tool for a panel splitter according to claim 1, characterized in that: The thickness of the ejector magnet (6) is 0 to 0.05 mm smaller than the depth of the circular countersunk hole at the bottom of the ejector seat (10), and is used to control magnetic pre-tightening.

8. The universal reverse positioning tool for a panel splitter according to claim 1, characterized in that: The ejector head (9) is configured with head diameters of different specifications as required to improve positioning accuracy.

9. The universal reverse positioning tool for a panel splitter according to claim 1, characterized in that: The printed circuit board (3) is a PCBA printed circuit board.

10. A method for realizing a universal reverse positioning tool for a panel splitter, characterized in that: The method comprises: Step 1: prepare a magnetic block (5) and a magnetic block magnet (7), wherein one end of the magnetic block (5) is provided with two circular countersunk holes, and the other end is provided with two raised positioning platforms, and the middle of the raised positioning platforms is provided with an M3 threaded hole for fastening the printed circuit board (3); the magnetic block magnet (7) is a circular strong magnet, which cooperates with the circular countersunk holes of the magnetic block (5); Step 2: Prepare an ejector pin (4) and an ejector pin magnet (6); the ejector pin (4) comprises an ejector pin head (9) and an ejector pin seat (10), and the ejector pin head (9) and one end of the ejector pin seat (10) are connected to form an integral whole through an M3 thread; a circular countersunk hole is provided at the other end of the ejector pin seat (10) for use with the ejector pin magnet (6); the ejector pin magnet (6) is a circular strong magnet for use with the circular countersunk hole of the ejector pin seat (10); Step 3: Fix and press one side of the printed circuit board (3) and the four magnetic blocks (5) together through four fastening screws (1) to ensure the stability of the reverse clamping process; screw the fastening screws (1) into the M3 threaded hole in the middle of the raised positioning platform of the magnetic block (5); at this point, the magnetic block (5) and the printed circuit board (3) form a connection structure; Step 4: Turn the connection structure over so that the bonding surface of the printed circuit board (3) and the four magnetic blocks (5) faces upward and the other surface faces downward, and the printed circuit board (3) is placed on four equal-height platforms (2) so that the printed circuit board (3) is in a horizontal state; the ejector pin heads (9) of the plurality of ejector pins (4) are respectively inserted into the positioning holes on the printed circuit board (3), so that the magnetic blocks (5), the ejector pins (4) and the printed circuit board (3) form an integral structure; Step 5: Move the base plate (8) toward the overall structure, and then the magnetic block magnet (7) on the magnetic block (5) and the ejector magnet (6) on the ejector pin (4) are attracted to the base plate (8), thereby forming the final universal reverse positioning tooling for the panel splitter; Step 6: Turn over the universal reverse positioning tool of the depaneling machine and place it on the workbench of the depaneling machine to fix it, thus completing the positioning process.

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