Magnetic positioning tool and plate separating machine

Abstract

This utility model provides a magnetic positioning fixture and a PCB separator. The magnetic positioning fixture includes a magnetic fixture base and a magnetic separator. The magnetic fixture base includes a base body and a first magnetic structure. The magnetic separator includes a support seat, a limiting structure, and a second magnetic structure. The second magnetic structure and the first magnetic structure can be detachably attracted together. The support seat has a receiving groove, and the limiting structure is movably disposed on the support seat. Multiple magnetic separators are provided, each with a different size receiving groove. The magnetic fixture base can selectively engage with any one of the multiple magnetic separators. In this solution, the second and first magnetic structures avoid the high labor and maintenance costs associated with screw fixing. The ability of the magnetic fixture base to selectively engage with any one of the multiple magnetic separators allows for the positioning of various circuit boards of different specifications using the same positioning fixture, greatly improving the applicability and production efficiency of the device.

Description

Technical Field

[0001] This utility model relates to the field of circuit board processing technology, and more specifically, to a magnetic positioning fixture and a depaneling machine. Background Technology

[0002] In industrial production, positioning fixtures are used to restrict the movement of items during processing and ensure that the workpiece is in the required position. Fixture positioning is an important link in the processing procedure to ensure product quality. Incorrect use of fixtures or inaccurate workpiece positioning will affect the size and form and position tolerances of the workpiece, thus resulting in defective products.

[0003] Currently, most of the positioning fixtures in depaneling machines that separate circuit boards use screw locking for positioning. This requires frequent manual rotation of the screws, which increases labor costs and can easily lead to problems such as stripped screws, increasing equipment maintenance costs. Furthermore, existing positioning fixtures are difficult to be compatible with multiple circuit boards at the same time, which in turn leads to a decrease in product production efficiency. Utility Model Content

[0004] This invention provides a magnetic positioning fixture and a PCB depaneling machine to solve the problem that existing positioning fixtures rely on screw positioning, resulting in high labor and equipment maintenance costs, poor compatibility, and consequently reduced product production efficiency.

[0005] To address the aforementioned problems, according to one aspect of this utility model, a magnetic positioning fixture is provided, comprising a magnetic fixture base and a magnetic separation fixture. The magnetic fixture base includes a base body and a first magnetic structure disposed on the base body. The magnetic separation fixture includes a support seat, a limiting structure, and a second magnetic structure. The second magnetic structure is disposed on the support seat, and the second magnetic structure and the first magnetic structure can be detachably attracted together. The support seat has a receiving groove for placing a circuit board. The limiting structure is movably disposed on the support seat and is used to limit the circuit board placed in the receiving groove. Multiple magnetic separation fixtures are provided, and the receiving grooves in the multiple magnetic separation fixtures have different specifications to accommodate circuit boards of different specifications. The magnetic fixture base can selectively engage with any one of the multiple magnetic separation fixtures.

[0006] Furthermore, the magnetic suction fixture base also includes a first positioning structure, and the magnetic suction panel cutting fixture also includes a second positioning structure. The first positioning structure is disposed on the base body, and the second positioning structure is disposed on the support seat. The first positioning structure and the second positioning structure can be separably coupled to position the relative positions of the support seat and the base body.

[0007] Furthermore, the first positioning structure includes a first positioning pin and a second positioning pin spaced apart on the base body, the first positioning pin and the second positioning pin having different shapes; the second positioning structure includes a first positioning hole and a second positioning hole spaced apart on the support seat, the first positioning hole and the first positioning pin being opposite each other and matching in shape, the second positioning hole and the second positioning pin being opposite each other and matching in shape.

[0008] Furthermore, the first positioning hole and the second positioning hole are located on both sides of the receiving groove, the first positioning pin is a cylindrical pin with a diameter of 10-20mm, the second positioning pin is a rhomboid pin with a maximum radial dimension of 5-15mm, and the diameter of the first positioning pin is greater than the maximum radial dimension of the second positioning pin.

[0009] Furthermore, the base body is a hollow frame structure. The first magnetic attraction structure includes multiple electromagnets distributed around the upper circumference of the base body. The second magnetic attraction structure includes multiple permanent magnets or multiple iron blocks distributed around the lower circumference of the support seat. Each permanent magnet or each iron block corresponds to one electromagnet.

[0010] Furthermore, the limiting structure is a plate-like structure, with one side of the limiting structure hinged to the bearing seat to cover or open the opening of the receiving groove.

[0011] Furthermore, the limiting structure has multiple hollow holes, and the bottom wall of the receiving groove has multiple hollow holes. The hollow holes of the limiting structure and the hollow holes of the bottom wall of the receiving groove are set in correspondence. The hollow holes are used to avoid the cutting tools or lasers used to divide the circuit board.

[0012] Furthermore, the support seat has a hand slot located on the opening and closing side of the limiting structure. The hand slot is used for personnel to insert their hands to open the limiting structure. A magnetic attraction structure or a snap-fit ​​structure is provided between the limiting structure and the support seat. When the limiting structure is closed, the limiting structure is fixed to the support seat by the magnetic attraction structure or the snap-fit ​​structure.

[0013] Furthermore, the base body has clearance grooves on opposite sides. When the magnetic panel separating tool is attached to the magnetic panel base, the support seat covers the upper side of the clearance groove. The clearance groove is used for personnel to reach in and pick up or put down the magnetic panel separating tool.

[0014] According to another aspect of the present invention, a PCB depaneling machine is provided. The PCB depaneling machine includes a frame, a platform, a shifting module, a PCB depaneling device, a protective cover, and the aforementioned magnetic positioning fixture. The platform is mounted on the frame, and both the PCB depaneling device and the shifting module are mounted on the platform. The protective cover covers the PCB depaneling device, and the magnetic positioning fixture is mounted on the shifting module. The shifting module drives the magnetic positioning fixture into the protective cover and to the operating position of the PCB depaneling device, or the shifting module drives the magnetic positioning fixture out of the protective cover.

[0015] In this design, a first magnetic structure is provided on the magnetic fixture base, and a second magnetic structure is provided on the magnetic separation fixture. The second and first magnetic structures can be detachably engaged, enabling rapid engagement and disengagement of the magnetic fixture base and the magnetic separation fixture. This avoids the high labor and maintenance costs associated with screw fixing. A limiting structure is movably mounted on the support base, which not only limits the circuit board placed in the receiving slot but also facilitates the replacement of the circuit board in the receiving slot, improving processing efficiency. The magnetic fixture base can selectively engage with any one of multiple magnetic separation fixtures. This allows for the replacement of the magnetic separation fixture corresponding to the circuit board's specifications when processing different sizes of circuit boards. This enables the same positioning fixture to position multiple different sizes of circuit boards, greatly improving the applicability and production efficiency of the device. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0017] Figure 1 A schematic diagram of the structure of the magnetic positioning fixture provided in an embodiment of the present invention is shown;

[0018] Figure 2 It shows Figure 1 Schematic diagram of the structure of the magnetic suction fixture base;

[0019] Figure 3 It shows Figure 1 A schematic diagram of the magnetic separator tooling when the limiting structure is closed;

[0020] Figure 4 It shows Figure 1 A schematic diagram of the magnetic separator tooling when the limiting structure is open;

[0021] Figure 5 A schematic diagram of the structure of a depaneling machine provided in another embodiment of the present invention is shown.

[0022] The above figures include the following reference numerals:

[0023] 10. Magnetic suction fixture base; 11. Base body; 111. Clearance groove; 12. First magnetic suction structure; 13. First positioning structure; 131. First positioning pin; 132. Second positioning pin;

[0024] 20. Magnetic separator tooling; 21. Support base; 211. Receiving groove; 212. Hand-held groove; 22. Limiting structure; 23. Second magnetic structure; 24. Second positioning structure; 241. First positioning hole; 242. Second positioning hole; 25. Hole cutout;

[0025] 30. Frame; 40. Platform; 50. Separating device; 60. Protective cover. Detailed Implementation

[0026] The technical solutions in at least one embodiment will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. The following description of at least one embodiment is merely illustrative and is not intended to limit this application or its applications. Other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are all within the scope of protection of this application.

[0027] like Figures 1 to 5 As shown, an embodiment of this utility model provides a magnetic positioning fixture, including a magnetic fixture base 10 and a magnetic separation fixture 20. The magnetic fixture base 10 includes a base body 11 and a first magnetic structure 12 disposed on the base body 11. The magnetic separation fixture 20 includes a support 21, a limiting structure 22 and a second magnetic structure 23. The second magnetic structure 23 is disposed on the support 21, and the second magnetic structure 23 and the first magnetic structure 12 can be detachably attracted together. The support 21 has a receiving groove 211 for placing a circuit board. The limiting structure 22 is movably disposed on the support 21 and is used to limit the circuit board placed in the receiving groove 211. There are multiple magnetic separation fixtures 20, and the receiving grooves 211 in the multiple magnetic separation fixtures 20 have different specifications to place circuit boards of different specifications respectively. The magnetic fixture base 10 can selectively attract any one of the multiple magnetic separation fixtures 20.

[0028] In this design, a first magnetic structure 12 is provided on the magnetic fixture base 10, and a second magnetic structure 23 is provided on the magnetic separation fixture 20. The second magnetic structure 23 and the first magnetic structure 12 can be separably attracted together, realizing the rapid attraction and separation of the magnetic fixture base 10 and the magnetic separation fixture 20, avoiding the high labor and maintenance costs caused by screw fixing. The limiting structure 22 is movably set on the support base 21, which can limit the circuit board placed in the receiving groove 211 and facilitate the replacement of the circuit board in the receiving groove 211, thus improving processing efficiency. The magnetic fixture base 10 can be selectively attracted to any one of the multiple magnetic separation fixtures 20. In this way, when different specifications of circuit boards need to be processed, the magnetic separation fixture 20 corresponding to the specifications of the circuit board can be replaced. This allows the same set of positioning fixtures to position multiple different specifications of circuit boards, greatly improving the applicability and production efficiency of the device.

[0029] like Figure 1 , Figure 2As shown, the magnetic suction fixture base 10 also includes a first positioning structure 13, and the magnetic suction partitioning fixture 20 also includes a second positioning structure 24. The first positioning structure 13 is disposed on the base body 11, and the second positioning structure 24 is disposed on the support seat 21. The first positioning structure 13 and the second positioning structure 24 can be detachably coupled to position the relative positions of the support seat 21 and the base body 11. By respectively setting the first positioning structure 13 and the second positioning structure 24 on the base body 11 and the support seat 21, the precise position of the magnetic suction partitioning fixture 20 on the base body 11 is ensured, avoiding partitioning errors caused by inaccurate positioning, effectively improving partitioning accuracy, and ensuring product quality. At the same time, the detachable design of the positioning structure facilitates the replacement of magnetic suction partitioning fixtures 20 of different specifications. Specifically, each magnetic suction partitioning fixture 20 has a nameplate identification position, which can classify different magnetic suction partitioning fixtures 20 by number for easy differentiation.

[0030] In this embodiment, the first positioning structure 13 includes a first positioning pin 131 and a second positioning pin 132 spaced apart from each other on the base body 11. The first positioning pin 131 and the second positioning pin 132 have different shapes. The second positioning structure 24 includes a first positioning hole 241 and a second positioning hole 242 spaced apart from each other on the support seat 21. The first positioning hole 241 and the first positioning pin 131 are aligned and have matching shapes, and the second positioning hole 242 and the second positioning pin 132 are aligned and have matching shapes. By setting positioning pins and positioning holes of different shapes, the tooling is designed to prevent errors. Even in low light conditions or when the operator's attention is distracted, the tooling can be installed correctly, avoiding production accidents caused by operational errors, effectively improving production safety and efficiency, and reducing the production error rate.

[0031] Specifically, the first positioning hole 241 and the second positioning hole 242 are located on both sides of the receiving groove 211, respectively. The first positioning pin 131 is a cylindrical pin with a diameter of 10-20 mm, and the second positioning pin 132 is a rhomboid pin with a maximum radial dimension of 5-15 mm. The diameter of the first positioning pin 131 is larger than the maximum radial dimension of the second positioning pin 132. By setting the specific size and shape of the positioning pins, the accuracy and stability of the positioning are ensured. At the same time, different positioning pin designs also meet the error-proofing requirements of the tooling, improving the positioning accuracy of the tooling and reducing the difficulty of operation. Specifically, the diameter of the first positioning pin 131 can be selected as 15 mm, and the maximum radial dimension of the second positioning pin 132 is 10 mm.

[0032] In this embodiment, the base body 11 is a hollow frame structure. The first magnetic attraction structure 12 includes multiple electromagnets distributed circumferentially on the upper side of the base body 11. The second magnetic attraction structure 23 includes multiple permanent magnets or multiple iron blocks distributed circumferentially on the lower side of the support seat 21, with each permanent magnet or iron block corresponding to one electromagnet. By setting magnetic attraction structures at specific positions on the base body 11 and the support seat 21, rapid positioning and stable adsorption of the tooling are achieved. The adsorption and separation of the base body 11 and the support seat 21 can be achieved by adjusting the magnetic force of the electromagnets. At the same time, the hollow frame structure can avoid cutting tools or lasers during plate separation and reduces the weight of the tooling, thereby reducing production costs.

[0033] like Figure 3 , Figure 4 As shown, the limiting structure 22 is a plate-like structure. One side of the limiting structure 22 is hinged to the support base 21 to cover or open the opening of the receiving groove 211. Through the hinged design between the limiting structure 22 and the support base 21, the limiting structure 22 can be opened and closed flexibly. When the limiting structure 22 is closed, its plate-like structure can fit tightly against the circuit board, preventing it from moving during the board separation process. When the limiting structure 22 is open, the circuit board can be easily removed, facilitating replacement and inspection, thus improving operational convenience and production efficiency.

[0034] like Figure 4 As shown, the limiting structure 22 has multiple perforated holes 25, and the bottom wall of the receiving groove 211 also has multiple perforated holes 25. The perforated holes 25 of the limiting structure 22 and the perforated holes 25 of the bottom wall of the receiving groove 211 are correspondingly arranged. The perforated holes 25 are used to avoid the cutting tool or laser used for separating the circuit board. By setting perforated holes 25 on the limiting structure 22 and the bottom wall of the receiving groove 211, it is ensured that the cutting tool or laser can accurately act on the predetermined position of the circuit board during separation, while avoiding interference between devices, reducing the risk of device damage, and improving the stability and reliability of the equipment.

[0035] In this embodiment, the support base 21 has a hand slot 212 located on the opening / closing side of the limiting structure 22. The hand slot 212 is used for a person's hand to reach in and open the limiting structure 22. A magnetic attraction structure or a snap-fit ​​structure is provided between the limiting structure 22 and the support base 21. When the limiting structure 22 is closed, the limiting structure 22 is fixed to the support base 21 by the magnetic attraction structure or the snap-fit ​​structure. By providing the hand slot 212 on the support base 21 and the magnetic attraction structure or snap-fit ​​structure between the limiting structure 22 and the support base 21, convenient operation and stable fixation of the tooling are achieved, improving the comfort and safety of operation.

[0036] like Figure 2As shown, the base body 11 has clearance grooves 111 on opposite sides. When the magnetic separator tool 20 is attached to the magnetic separator base 10, the support seat 21 covers the upper side of the clearance grooves 111. The clearance grooves 111 are used for personnel to reach in and pick up / place the magnetic separator tool 20. The clearance grooves 111 on opposite sides of the base body 11 fully consider ergonomics, reduce the difficulty of operation, and improve work efficiency.

[0037] like Figure 5 As shown, an embodiment of this utility model also provides a PCB depaneling machine. The depaneling machine includes a frame 30, a platform 40, a shifting module, a depaneling device 50, a protective cover 60, and the aforementioned magnetic positioning fixture. The platform 40 is mounted on the frame 30. The depaneling device 50 and the shifting module are both mounted on the platform 40. The protective cover 60 covers the depaneling device 50. The magnetic positioning fixture is mounted on the shifting module. The shifting module drives the magnetic positioning fixture into the protective cover 60 and to the operating position of the depaneling device 50, or the shifting module drives the magnetic positioning fixture out of the protective cover 60. By integrating the magnetic positioning fixture onto the depaneling machine, the positioning accuracy and stability of the fixture during the depaneling process are ensured, improving the automation level and production efficiency of the equipment. Specifically, the depaneling machine also includes an operating table. The shifting module and the depaneling device 50 are electrically connected to the operating table to achieve automated control of the depaneling machine.

[0038] The above descriptions are merely some embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

[0039] The technical features of the embodiments described above can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as the combination of these technical features does not contradict each other, it should be considered to be within the scope of this specification.

[0040] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0041] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as exemplary only and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0042] In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0043] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0044] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this application.

Claims

1. A magnetic positioning tool, characterized by, The assembly includes a magnetic suction fixture base (10) and a magnetic suction partitioning fixture (20). The magnetic suction fixture base (10) includes a base body (11) and a first magnetic suction structure (12) disposed on the base body (11). The magnetic suction partitioning fixture (20) includes a support seat (21), a limiting structure (22), and a second magnetic suction structure (23). The second magnetic suction structure (23) is disposed on the support seat (21). The second magnetic suction structure (23) and the first magnetic suction structure (12) can be detachably attracted together. 1) It has a receiving groove (211) for placing circuit boards, and the limiting structure (22) is movably disposed on the support base (21). The limiting structure (22) is used to limit the circuit board placed in the receiving groove (211); wherein, there are multiple magnetic board separating fixtures (20), and the receiving grooves (211) in the multiple magnetic board separating fixtures (20) have different specifications to place circuit boards of different specifications respectively. The magnetic fixture base (10) can selectively engage with any one of the multiple magnetic board separating fixtures (20).

2. The magnetic positioning tool of claim 1, wherein, The magnetic suction fixture base (10) further includes a first positioning structure (13), and the magnetic suction partition fixture (20) further includes a second positioning structure (24). The first positioning structure (13) is disposed on the base body (11), and the second positioning structure (24) is disposed on the support seat (21). The first positioning structure (13) and the second positioning structure (24) can be separably coupled to position the relative positions of the support seat (21) and the base body (11).

3. The magnetic positioning tool of claim 2, wherein, The first positioning structure (13) includes a first positioning pin (131) and a second positioning pin (132) spaced apart from the base body (11), the first positioning pin (131) and the second positioning pin (132) having different shapes; the second positioning structure (24) includes a first positioning hole (241) and a second positioning hole (242) spaced apart from the support seat (21), the first positioning hole (241) and the first positioning pin (131) being directly opposite each other and matching in shape, the second positioning hole (242) and the second positioning pin (132) being directly opposite each other and matching in shape.

4. The magnetic positioning fixture according to claim 3, characterized in that, The first positioning hole (241) and the second positioning hole (242) are located on both sides of the receiving groove (211). The first positioning pin (131) is a cylindrical pin with a diameter of 10-20 mm. The second positioning pin (132) is a rhomboid pin with a maximum radial dimension of 5-15 mm. The diameter of the first positioning pin (131) is greater than the maximum radial dimension of the second positioning pin (132).

5. The magnetic positioning fixture according to claim 1, characterized in that, The base body (11) is a hollow frame structure. The first magnetic attraction structure (12) includes multiple electromagnets, which are distributed around the upper side of the base body (11). The second magnetic attraction structure (23) includes multiple permanent magnets or multiple iron blocks, which are distributed around the lower side of the support seat (21). Each permanent magnet or each iron block corresponds to one electromagnet.

6. The magnetic positioning fixture according to claim 1, characterized in that, The limiting structure (22) is a plate-shaped structure, and one side of the limiting structure (22) is hinged to the bearing seat (21) to cover or open the opening of the receiving groove (211).

7. The magnetic positioning fixture according to claim 6, characterized in that, The limiting structure (22) has multiple hollow holes (25), and the bottom wall of the receiving groove (211) has multiple hollow holes (25). The hollow holes (25) of the limiting structure (22) and the hollow holes (25) of the bottom wall of the receiving groove (211) are correspondingly arranged. The hollow holes (25) are used to avoid the cutting tools or lasers used to divide the circuit board.

8. The magnetic positioning fixture according to claim 6, characterized in that, The support base (21) has a hand slot (212) located on the opening and closing side of the limiting structure (22). The hand slot (212) is used for a person to insert their hand to open the limiting structure (22). A magnetic attraction structure or a snap-fit ​​structure is provided between the limiting structure (22) and the support base (21). When the limiting structure (22) is closed, the limiting structure (22) is fixed to the support base (21) by the magnetic attraction structure or the snap-fit ​​structure.

9. The magnetic positioning fixture according to claim 1, characterized in that, The base body (11) has clearance grooves (111) on opposite sides. When the magnetic separator tool (20) is attached to the magnetic separator base (10), the support seat (21) covers the upper side of the clearance groove (111). The clearance groove (111) is used for personnel to reach in to pick up and put down the magnetic separator tool (20).

10. A PCB depaneling machine, characterized in that, The PCB splitting machine includes a frame (30), a platform (40), a shifting module, a PCB splitting device (50), a protective cover (60), and a magnetic positioning fixture as described in any one of claims 1 to 9. The platform (40) is mounted on the frame (30), the PCB splitting device (50) and the shifting module are both mounted on the platform (40), the protective cover (60) covers the PCB splitting device (50), and the magnetic positioning fixture is mounted on the shifting module. The shifting module drives the magnetic positioning fixture into the protective cover (60) and to the operating position of the PCB splitting device (50), or the shifting module drives the magnetic positioning fixture out of the protective cover (60).

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