Splitting jig for a composite panel

Abstract

The utility model discloses a kind of split clamps of combination board, split clamp includes carrier, multiple clamping components and pull block component, carrier is equipped with multiple positioning slots, pull block component is equipped with multiple respectively above elastic pull block of positioning slot, the side of each positioning slot is correspondingly equipped with at least one clamping component, clamping component and positioning slot cooperation can be clamped the mainboard of combination board, pull block component is detachably connected above carrier, elastic pull block can be connected with the subboard of combination board, and when in lock state, elastic pull block has the elastic force along vertical direction upward, so that the solder paste between mainboard and subboard melts, elastic pull block is driven subboard to move upward and realize split with mainboard by elastic force. The split clamp can simultaneously fix multiple combination boards to be simultaneously placed in high-temperature furnace, after solder paste melts, multiple combination boards can simultaneously realize split by itself, improve combination board split speed, reduce artificial cost and equipment cost.

Description

Technical Field

[0001] This utility model relates to the field of SMT equipment technology, specifically to a disassembly fixture for composite boards. Background Technology

[0002] In SMT motherboard assembly, if defects or short circuits are found during backend testing after the assembled boards have been soldered, they need to be disassembled for repair. Current disassembly equipment can only disassemble one assembled board at a time, and the disassembly process requires operators. To improve disassembly efficiency, it is usually necessary to increase the number of machines and operators, which significantly increases labor and equipment costs, and the cost per machine is relatively high. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide a disassembly fixture for composite panels, which can simultaneously fix multiple composite panels and place them in a high-temperature furnace to automatically disassemble multiple composite panels, thereby improving the disassembly efficiency of composite panels and saving costs.

[0004] This utility model embodiment provides a disassembly fixture for a composite board, the composite board including a main board and a sub-board soldered on top of the main board, and the disassembly fixture including:

[0005] The vehicle is equipped with multiple positioning slots;

[0006] Multiple clamping components are installed on the carrier, and each positioning slot has at least one clamping component on one side. The clamping components cooperate with the positioning slot to clamp the main board.

[0007] The pull block assembly is detachably connected to the top of the vehicle. The pull block assembly has multiple elastic pull blocks located above the positioning slots. The elastic pull blocks are configured to be locked to the subplate, and in the locked state, the elastic pull blocks have an upward elastic force in the vertical direction.

[0008] Optionally, the pull block assembly includes a cover plate having a plurality of first mounting holes, each first mounting hole having a resilient pull block connected therein.

[0009] Optionally, the flexible pull block includes:

[0010] The pull block includes a head and a connecting part connected in sequence, the connecting part passing through a first mounting hole and detachably connected to the sub-plate, and the head being located on the outside of the cover plate;

[0011] The first elastic connector connects the head and the cover plate;

[0012] When locked, the first elastic connector has an upward elastic force in the vertical direction.

[0013] Optionally, the elastic pull block also includes a limiting member, which is installed on the connecting part and located inside the cover plate.

[0014] Optionally, the connecting part includes a connecting rod and a locking head. The connecting rod connects the head and the locking head. A groove is provided at one end of the connecting rod near the locking head. A limiting member is installed in the groove. The locking head has external threads.

[0015] Optionally, in the locked state, there is an anti-collision distance between the bottom surface of the limiting member and the top surface of the sub-plate.

[0016] Optionally, the pull block assembly has multiple connecting components, and the pull block assembly is detachably connected to the vehicle via the multiple connecting components.

[0017] Optionally, the pull block assembly includes a cover plate having a plurality of second mounting holes, each second mounting hole being connected to a connecting assembly.

[0018] Optionally, the vehicle is provided with multiple locking holes, which are connected to multiple second mounting holes one by one, and the end of each connecting component is screwed into the corresponding locking hole.

[0019] Optionally, the connection component includes:

[0020] Operation buttons;

[0021] The locking pin includes a connecting pin and a snap-fit ​​part. One end of the connecting pin is connected to the operation button, and the other end of the connecting pin is connected to the snap-fit ​​part. Both ends of the snap-fit ​​part extend outward along the diameter of the connecting pin. The connecting pin is connected in the second mounting hole, and the snap-fit ​​part is located on the inner side of the cover plate.

[0022] The second flexible connector connects the operation button and the cover plate.

[0023] Optionally, the lock hole includes a first hole and a second hole that are connected along the height direction. The shape of the first hole is adapted to the shape of the locking part. The second hole and the two sides of the first hole form a limiting step. After the locking part extends from the first hole into the second hole, it rotates at a predetermined angle to cooperate with the limiting step to lock the cover plate and the carrier.

[0024] Optionally, the second hole is a circular hole with a diameter greater than or equal to the length of the first hole. Two limiting protrusions are provided inside the second hole. The two limiting protrusions are respectively provided on two limiting steps and located on different sides of the two limiting steps.

[0025] Optionally, each positioning slot has at least one mounting slot on one side, and the clamping assembly is installed in the mounting slot;

[0026] The clamping assembly includes a movable jaw and a third elastic connector. The movable jaw is movably disposed within the mounting groove, and the third elastic connector is connected between the movable jaw and the side wall of the mounting groove.

[0027] Optionally, the vehicle is provided with multiple first positioning posts, and the cover plate is provided with multiple first positioning holes. The cover plate and the vehicle are positioned and connected by the multiple first positioning holes and the multiple first positioning posts.

[0028] The disassembly fixture of this utility model includes a carrier, multiple clamping components, and a pull block assembly. The carrier has multiple positioning slots, and the pull block assembly has multiple elastic pull blocks located above the positioning slots. Each positioning slot has at least one clamping component on one side. The clamping components cooperate with the positioning slots to clamp the main board of the assembly board. The pull block assembly is detachably connected to the carrier. The elastic pull blocks can be locked to the sub-boards of the assembly board. In the locked state, the elastic pull blocks have an upward elastic force in the vertical direction. After the solder paste between the main board and the sub-board melts, the elastic pull blocks use their elastic force to drive the sub-board upward to separate it from the main board. This disassembly fixture can simultaneously fix multiple assembly boards for simultaneous placement in a high-temperature furnace. After the solder paste melts, the multiple assembly boards can be disassembled simultaneously, improving the disassembly speed of the assembly boards and reducing labor and equipment costs. Attached Figure Description

[0029] The above and other objects, features and advantages of the present invention will become clearer from the following description of embodiments of the present invention with reference to the accompanying drawings, in which:

[0030] Figure 1 This is a schematic diagram of the structure of the disassembly clamp fixing multiple combined plates according to an embodiment of the present utility model;

[0031] Figure 2 This is a schematic diagram of the structure of the pull block assembly according to an embodiment of the present utility model;

[0032] Figure 3 This is a schematic diagram of the cover plate according to an embodiment of the present utility model;

[0033] Figure 4 This is a schematic diagram of the structure of the connecting component according to an embodiment of the present utility model;

[0034] Figure 5 This is an exploded view of the connecting components according to an embodiment of the present utility model;

[0035] Figure 6 This is a schematic diagram of the structure of the elastic pull block according to an embodiment of the present invention;

[0036] Figure 7 This is an exploded view of the elastic pull block according to an embodiment of the present invention;

[0037] Figure 8 This is a schematic diagram of the structure of the vehicle according to an embodiment of the present invention;

[0038] Figure 9This is a schematic diagram of the structure of multiple combined plates fixed on a carrier according to an embodiment of the present invention;

[0039] Figure 10 This is an exploded view of the vehicle according to an embodiment of the present utility model;

[0040] Figure 11 This is a schematic diagram of the reverse side structure of the carrier plate according to an embodiment of the present invention;

[0041] Figure 12 This is a partial cross-sectional view of an embodiment of the present invention when the elastic pull block and the sub-plate are not connected;

[0042] Figure 13 This is a partial cross-sectional view of the clamping assembly clamping plate of an embodiment of the present utility model;

[0043] Figure 14 These are structural schematic diagrams and exploded schematic diagrams of the combined plate according to an embodiment of this utility model.

[0044] Figure label:

[0045] 1-Carrier; 11-Positioning groove; 111-Second positioning post; 12-Locking hole; 121-First hole; 122-Second hole; 123-Limiting step; 124-Limiting protrusion; 13-Mounting groove; 14-First positioning post; 15-Abutting protrusion; 16-Baffle; 17-Base plate; 18-Carrier plate; 2-Clamping assembly; 21-Modible gripper; 22-Third elastic connector; 3-Pull block assembly; 4-Elastic pull block; 41-Pull block; 411-Head; 412-Connecting part; 413-Connecting rod; 414-Locking head; 415-Slot ; 42-First elastic connector; 43-Limiting component; 5-Cover plate; 51-First mounting hole; 52-Second mounting hole; 53-First positioning hole; 54-Main body; 55-Connecting plate; 6-Connecting assembly; 61-Operating button; 611-Second connecting hole; 612-Third connecting hole; 62-Locking pin; 621-Connecting pin; 6211-First connecting hole; 622-Snap-fit ​​part; 63-Second elastic connector; 64-Connecting pin; 100-Combination plate; 101-Main board; 102-Sub-board; 103-Second positioning hole; 104-Threaded hole. Detailed Implementation

[0046] The present application is described below based on embodiments, but it is not limited to these embodiments. In the detailed description of the present application below, certain specific details are described in detail. Those skilled in the art can fully understand the present application without these details. To avoid obscuring the substance of the present application, well-known methods, processes, flows, elements, and circuits are not described in detail.

[0047] Furthermore, those skilled in the art should understand that the accompanying drawings provided herein are for illustrative purposes only and are not necessarily drawn to scale.

[0048] Unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0049] Unless the context explicitly requires it, words such as "including" or "contains" throughout the application should be interpreted as including rather than exclusive or exhaustive; that is, meaning "including but not limited to".

[0050] In the description of this application, it should be understood that the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, in the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0051] This application provides a splitting fixture that can simultaneously clamp and fix multiple assembled boards 100 to be split, and place them together in a high-temperature furnace (such as a reflow oven). When the solder paste at the solder joints of the assembled boards 100 reaches its melting point, the splitting fixture automatically separates the assembled boards 100. Then, the splitting fixture is removed from the high-temperature furnace, and the split assembled boards 100 can be removed by opening the fixture. This splitting fixture can fix multiple assembled boards 100 at the same time for simultaneous placement in the high-temperature furnace, and multiple splitting fixtures can be placed in the high-temperature furnace simultaneously. After the solder paste at the solder joints of the assembled boards 100 reaches its melting point, multiple assembled boards 100 can be split simultaneously by themselves, improving the splitting efficiency of the assembled boards 100 and reducing labor and equipment costs.

[0052] In this embodiment of the application, the disassembly fixture can disassemble the combined plate 100, which is a structure where the upper and lower parts are welded together. The combined plate 100 includes a main board 101 and a sub-board 102 welded above the main board 101, such as... Figure 14As shown. The main board 101 is the main circuit board in the entire assembled board 100, which plays a supporting and connecting role. It is usually larger in size and integrates core circuits or interfaces. The daughter board 102 refers to a smaller, relatively independent auxiliary or expansion circuit board relative to the main board 101, which is fixed to the main board 101 by soldering or plugging. It should be noted that the assembled board 100 to be separated in this embodiment refers to the main board 101 and daughter board 102 soldered together.

[0053] like Figure 1 , Figure 2 and Figure 8 As shown, the splitting fixture includes a carrier 1, multiple clamping assemblies 2, and a pulling block assembly 3. Figure 8 As shown, the carrier 1 is provided with multiple positioning slots 11, and at least one clamping component 2 is provided on one side of each positioning slot 11. Each positioning slot 11 is used to place a composite plate 100. After the composite plate 100 is placed in the positioning slot 11, the clamping component 2 cooperates with the positioning slot 11 to clamp the composite plate 100, at which time the composite plate 100 is in a welded state.

[0054] like Figure 2 As shown, the pull block assembly 3 is provided with multiple elastic pull blocks 4. When the pull block assembly 3 is connected to the carrier 1, the multiple elastic pull blocks 4 are respectively located above different positioning slots 11. Among them, the elastic pull blocks 4 are used to lock and connect with the sub-board 102 of the composite board 100, and in the locked state, the elastic pull blocks 4 have an upward elastic force in the vertical direction. After the disassembly jig is placed in the high-temperature furnace, when the solder paste at the solder joint of the composite board 100 is heated to the melting point, since the main board 101 is fixed to the carrier 1 by the clamping assembly 2, the elastic pull blocks 4 drive the locked sub-board 102 to move upward under the action of elastic force, thereby separating the sub-board 102 from the main board 101.

[0055] like Figure 10 As shown, the carrier 1 is provided with multiple mounting slots 13, which are located on one side of the positioning slot 11. Figure 8 As shown, a clamping assembly 2 is installed in each mounting slot 13. The clamping assembly 2 can clamp the combined plate 100 in the positioning slot 11 by moving within the mounting slot 13 using elastic force.

[0056] When the combined plate 100 is placed in the positioning groove 11, the clamping assembly 2 applies a pushing force to the side of the combined plate 100, pushing the combined plate 100 to abut against the side wall of the positioning groove 11, thereby clamping the combined plate 100.

[0057] In another implementation, abutment 15 is provided in the positioning groove 11. After the combined plate 100 is placed in the positioning groove 11, the clamping assembly 2 applies a pushing force to the side of the combined plate 100, pushing the combined plate 100 to abut against the abutment 15, thereby clamping the combined plate 100.

[0058] like Figure 10 and Figure 13 As shown, the clamping assembly 2 includes a movable gripper 21 and a third elastic connector 22. The movable gripper 21 is movably disposed within the mounting groove 13, and the third elastic connector 22 is connected between the movable gripper 21 and the side wall of the mounting groove 13. The third elastic connector 22 can drive the movable gripper 21 to move towards the positioning groove 11 through elastic force, thereby clamping the combined plate 100. A baffle 16 is detachably installed on the upper side of the mounting groove 13 away from the positioning groove 11, which can limit the clamping assembly 2 within the mounting groove 13 and prevent the clamping assembly 2 from detaching from the mounting groove 13. At the same time, the baffle 16 can also facilitate the installation of the clamping assembly 2. The third elastic connector 22 can be a spring, a sheet spring, etc.

[0059] In this embodiment, when the clamping assembly 2 clamps the assembly plate 100, the outer side of the movable jaw 21 abuts against the side of the main plate 101, and the sub-plate 102 is located above the movable jaw 21. Figure 13 As shown. The outer side of the movable gripper 21 abuts and clamps against the side of the main board 101, so that when the elastic pull block 4 moves the sub-board 102 upward, the movable gripper 21 can avoid interfering with the sub-board 102, thus improving the stability of the splitting.

[0060] Preferably, the mounting groove 13 is laterally connected to the positioning groove 11, so that the movable gripper 21 can partially extend into the positioning groove 11 to further clamp the assembly plate 100.

[0061] In this embodiment, the structure of the movable gripper 21 is not limited and can be configured as a rectangular push block, a cylindrical push block, etc. When the mounting groove 13 and the positioning groove 11 are not laterally connected, a protrusion is provided on the top of the movable gripper 21 facing the side of the positioning groove 11, so that the protrusion can extend from the top of the mounting groove 13 to the positioning groove 11, thereby abutting and clamping against the side of the combination plate 100.

[0062] In this embodiment of the application, a plurality of second positioning posts 111 may be provided in the positioning groove 11, such as Figure 10 As shown. When the combination plate 100 is placed in the positioning groove 11, it can be pre-installed by connecting multiple second positioning posts 111 to multiple second positioning holes 103 of the combination plate 100 in a one-to-one correspondence.

[0063] In one embodiment, two mounting slots 13 are provided on the same side of each positioning slot 11, and a clamping assembly 2 is installed in each mounting slot 13. That is, two clamping assemblies 2 are provided on the same side of each positioning slot 11. This allows each composite plate 100 to be clamped simultaneously by the two clamping assemblies 2, improving the stability of clamping the composite plate 100. Optionally, the two clamping assemblies 2 are respectively installed on the same side of the positioning slot 11 near both ends.

[0064] like Figure 1 As shown, the pull block assembly 3 is detachably connected to the carrier 1, facilitating the placement or removal of the combined plate 100 from the carrier 1 when the pull block assembly 3 is disconnected from the carrier 1. Figure 1 and Figure 2 As shown, the pull block assembly 3 is provided with multiple connecting components 6, and the pull block assembly 3 is detachably connected to the carrier 1 through the multiple connecting components 6. The multiple connecting components 6 are located at different positions of the pull block assembly 3, thereby ensuring the stability of the connection between the pull block assembly 3 and the carrier 1.

[0065] like Figure 3 As shown, the pull block assembly 3 includes a cover plate 5, which has multiple first mounting holes 51 and multiple second mounting holes 52. Figure 2 As shown, each first mounting hole 51 is connected to an elastic pull block 4, and each second mounting hole 52 is connected to a connecting component 6. The cover plate 5 is connected to the carrier 1 through multiple connecting components 6, and the multiple elastic pull blocks 4 can be detachably connected to the sub-plates 102 of the combination plate 100 respectively.

[0066] like Figure 3 As shown, the cover plate 5 includes a main body 54 and a connecting plate 55. The main body 54 is a plate-like structure with a perforation, and the connecting plate 55 is connected to the main body 54 and located above the perforation. Multiple first mounting holes 51 are provided on the connecting plate 55, and multiple second mounting holes 52 are provided around the main body 54. When the cover plate 5 is connected to the carrier 1, the positioning groove 11 and the clamping assembly 2 are located in the perforated area of ​​the main body 54. This allows sufficient movement space for the sub-plate 102 when the combined plate 100 is disassembled within the positioning groove 11, provided that the connecting plate 55 and the surface of the carrier 1 are aligned. The multiple second mounting holes 52 around the main body 54 ensure a more stable connection between the connecting assembly 6 and the carrier 1.

[0067] like Figure 6 and Figure 7As shown, the elastic pull block 4 includes a pull block 41 and a first elastic connector 42. The pull block 41 includes a head 411 and a connecting portion 412 connected in sequence. The lateral dimension of the head 411 is larger than the diameter of the first mounting hole 51. The connecting portion 412 passes downwards from the top of the cover plate 5 through the first mounting hole 51. The head 411 is located on the upper outer side of the cover plate 5. The first elastic connector 42 connects the head 411 and the cover plate 5, as shown. Figure 12 As shown.

[0068] After the cover plate 5 is connected to the carrier 1, the connecting part 412 can be pressed and rotated synchronously by pressing and rotating the head 411 to lock it into the sub-plate 102. During the connection process, the head 411 squeezes the first elastic connector 42, so that the first elastic connector 42 has an upward elastic force in the vertical direction when locked. At this time, since the clamping assembly 2 clamps the combined plate 100, the combined plate 100 is in a welding state, and the elastic pull block 4 cannot return to its original position and move upward under the action of the elastic force. After entering the high-temperature furnace, the solder paste in the combined plate 100 melts after reaching the melting point. At this time, the elastic pull block 4 drives the sub-plate 102 to move upward synchronously under the action of the elastic force, so that the sub-plate 102 and the main plate 101 are separated.

[0069] like Figure 6 and Figure 7 As shown, the elastic pull block 4 also includes a limiting member 43, which is installed on the connecting part 412 and located inside the cover plate 5. The limiting member 43 and the head 411 prevent the pull block 41 from detaching from the cover plate 5. After the pull block 41 is locked to the sub-plate 102, there is an anti-collision distance between the bottom surface of the limiting member 43 and the top surface of the sub-plate 102. During the disassembly process, as the elastic pull block 4 moves the sub-plate 102 upward synchronously, the limiting member 43 prevents the sub-plate 102 from moving too upward and colliding with the cover plate 5. At the same time, the limiting member 43 can also prevent the sub-plate 102 from detaching from the cover plate 5 during the disassembly process, thus preventing the disassembly from resetting.

[0070] In one embodiment, the connecting part 412 includes a connecting rod 413 and a locking head 414, the connecting rod 413 connecting the head 411 and the locking head 414, such as Figure 6 and Figure 7 As shown. The connecting rod 413 has a slot 415 near the locking head 414, and the limiting member 43 is installed within the slot 415. The locking head 414 has external threads. When the elastic pull block 4 is connected to the sub-plate 102, locking can be achieved through a threaded connection. That is, the sub-plate 102 has a threaded hole 104 for connecting to the elastic pull block 4. Optionally, the limiting member 43 is a retaining spring, which is easy to install and low in cost.

[0071] Optionally, the first elastic connector 42 can be a spring, sleeved on the outside of the connecting rod 413. A groove is provided at the top of the first mounting hole 51, and the bottom end of the first elastic connector 42 can be connected to the groove.

[0072] It should be noted that the positions of the elastic pull blocks 4 connected to the cover plate 5 correspond one-to-one with the positions of the threaded holes 104 on the sub-plate 102. Furthermore, when the combined plate 100 is placed in the positioning groove 11, each combined plate 100 can be simultaneously connected to multiple elastic pull blocks 4, so that during the disassembly process, multiple elastic pull blocks 4 can simultaneously lift the sub-plate 102 and separate it from the main plate 101. In one embodiment, during the disassembly process, each combined plate 100 needs to be simultaneously connected to three elastic pull blocks 4.

[0073] The pull block 41 can be made of stainless steel to increase the strength of the screw thread of the locking head 414. The stainless steel surface has a high degree of smoothness, which reduces friction between it and the cover plate 5 and increases the service life of the clamp.

[0074] like Figure 10 and Figure 11 As shown, the carrier 1 has multiple locking holes 12. After the cover plate 5 is connected to the carrier 1, the multiple locking holes 12 are respectively connected to multiple second mounting holes 52, that is, multiple connecting components 6 are respectively set to the multiple locking holes 12. The end of each connecting component 6 is connected to the corresponding locking hole 12 by pressing and screwing, thereby connecting the cover plate 5 and the carrier 1 into a whole.

[0075] like Figure 4 and Figure 5 As shown, the connecting assembly 6 includes an operation button 61, a locking pin 62, and a second elastic connector 63. The locking pin 62 includes a connecting pin 621 and a locking portion 622. One end of the connecting pin 621 is connected to the operation button 61, and the other end is connected to the locking portion 622. Both ends of the locking portion 622 extend outward along the diameter of the connecting pin 621 (i.e., the length of the locking portion 622 is greater than the diameter of the second mounting hole 52). When the connecting assembly 6 is connected to the cover plate 5, the connecting pin 621 is movably connected to the second mounting hole 52, the locking portion 622 is located inside the cover plate 5, the operation button 61 is located outside the cover plate 5, and the second elastic connector 63 connects the operation button 61 and the cover plate 5, thereby achieving the connection between the connecting assembly 6 and the cover plate 5 and preventing it from falling off. The user can move or rotate the locking pin 62 by operating the operation button 61.

[0076] Preferably, the connecting post 621 and the snap-fit ​​part 622 are integrally formed, and the connecting post 621 and the operation button 61 are detachably connected. The connecting post 621 can pass through the second mounting hole 52 from bottom to top through the inner side of the cover plate 5 and then connect to the operation button 61. In this embodiment, the top end of the connecting post 621 is set as a non-cylindrical body, and the non-cylindrical body is provided with a first connecting hole 6211 laterally. The operation button 61 is provided with a second connecting hole 611 adapted to the non-cylindrical body and a third connecting hole 612 that crosses and communicates with the second connecting hole 611. The top end of the connecting post 621 can be inserted into the second connecting hole 611 of the operation button 61, and then connected to the third connecting hole 612 and the first connecting hole 6211 by a connecting pin 64, thereby realizing the connection between the connecting post 621 and the operation button 61. Optionally, the second elastic connecting member 63 is a spring, which can be sleeved on the outside of the connecting post 621.

[0077] like Figure 11 As shown, the lock hole 12 includes a first hole portion 121 and a second hole portion 122 that communicate along the height direction. The first hole portion 121 is close to the top surface of the carrier 1, and the second hole portion 122 is close to the bottom surface of the carrier 1. Figures 8-10 As shown, the shape of the first hole 121 is adapted to the shape of the snap-fit ​​part 622, allowing the snap-fit ​​part 622 to move through it. The size of the second hole 122 is greater than or equal to the length of the first hole 121, so that the second hole 122 and the first hole 121 form a limiting step 123 on both sides along the width direction.

[0078] When the connecting assembly 6 is connected to the carrier 1, the operation button 61 is pressed first, causing the locking part 622 to pass through the first hole 121 and extend into the second hole 122. Then, the operation button 61 is rotated to a predetermined angle so that the two sides of the locking part 622 engage with the limiting step 123, thereby locking the cover plate 5 and the carrier 1 together. The second elastic connector 63 can apply elastic force to the operation button 61 and the cover plate 5, making the connection between the cover plate 5 and the carrier 1 stable.

[0079] Preferably, the operation button 61 is a cuboid with the same shape as the latching part 622, and the two are arranged parallel to each other, so that the user can control the rotation angle of the latching part 622 by rotating the operation button 61. Preferably, rotating the latching part 622 by 90 degrees can achieve a limiting connection with the limiting step 123.

[0080] In this embodiment, the second hole 122 is a circular hole with a diameter greater than or equal to the length of the first hole 121. The second hole 122 is concentrically arranged with the first hole 121 to facilitate the rotation of the locking part 622. Two limiting protrusions 124 are provided inside the second hole 122, respectively disposed on two limiting steps 123 and located on different sides of the two limiting steps 123. The two limiting protrusions 124 are used to limit the rotation direction and rotation angle of the locking part 622, so that when the user rotates the operation button 61, they can stop rotating when they feel that the locking part 622 can no longer rotate, indicating that the locking part 622 has rotated to the correct position. Preferably, the sides of the two limiting steps 123 are perpendicular to the length of the first hole 121, and the width between the two limiting steps 123 is adapted to the width of the locking part 622, so that the locking part 622 can be rotated to the correct position by rotating 90 degrees.

[0081] In other implementations, the pull block assembly 3 and the carrier 1 can also be detachably connected by bolts, clips, or other means.

[0082] like Figure 8 and Figure 9 As shown, the vehicle 1 is provided with multiple first positioning posts 14. Figure 2 and Figure 3 As shown, the cover plate 5 is provided with multiple first positioning holes 53. The positions of the multiple first positioning posts 14 and the multiple first positioning holes 53 are arranged in a one-to-one correspondence. When the pull block assembly 3 is connected to the carrier 1, the cover plate 5 and the carrier 1 are positioned and connected through the multiple first positioning holes 53 and the multiple first positioning posts 14, improving the accuracy, stability, and repeatability of maintaining the correct relative position and posture between the connecting assembly 6 and the locking hole 12, and between the elastic pull block 4 and the combination plate 100. In other implementations, the first positioning posts 14 can be located on the cover plate 5, and the first positioning holes 53 can be located on the carrier 1.

[0083] like Figure 10 As shown, the carrier 1 includes a base plate 17 and a carrier plate 18. The base plate 17 has a recessed groove, and the carrier plate 18 is fixed within the recessed groove and then connected to the base plate 17. Multiple positioning slots 11 and multiple clamping assemblies 2 are disposed on the carrier plate 18. Furthermore, the base plate 17 can be provided with multiple recessed grooves, each containing one carrier plate 18, thereby increasing the number of assembled plates 100 that can be clamped simultaneously and improving the disassembly efficiency of the assembled plates 100.

[0084] In one embodiment, the carrier plate 18 is provided with three positioning grooves 11 and four locking holes 12. The cover plate 5 can be fixed to the carrier plate 18 by four connecting components 6. The carrier plate 18 can fix three combined plates 100 at the same time. Each combined plate 100 requires two clamping components 2 to cooperate for clamping, and each combined plate 100 is connected to three elastic pull blocks 4, that is, the cover plate 5 is provided with nine elastic pull blocks 4.

[0085] The total force exerted by the two clamping components 2 on the combined plate 100 must be greater than the total force exerted by the three elastic pull blocks 4 connected to the combined plate 100. This prevents the combined plate 100 from being pulled out of the carrier 1 by the elastic blocks during operation, thus securing the main plate 101. The total force exerted by the four connecting components 6 must be greater than the total force exerted by the nine elastic pull blocks 4. This prevents the nine elastic pull blocks 4 from popping up the pull block assembly 3 during operation, thus securing the pull block assembly 3 to the carrier 1.

[0086] In the embodiments of this application, all elastic connectors are made of high-temperature resistant materials to prevent rapid reduction of elasticity after passing through the reflow oven (high-temperature oven) and to increase the service life of the elastic connectors.

[0087] The disassembly process of the disassembly fixture for the assembly board 100 is as follows: First, loosen the clamping component 2, place the assembly board 100 into the positioning groove 11, clamp the assembly board 100 with the clamping component 2, place the pull block component 3 on the carrier 1, connect the cover plate 5 to the carrier 1 through the connecting component 6, and connect the elastic pull block 4 to the sub-board 102 of the assembly board 100. Then, place the entire disassembly fixture into the reflow oven, heat the solder paste in the assembly board 100 until it melts, and separate the sub-board 102 from the main board 101. Remove the disassembly fixture from the reflow oven, and after cooling, open the pull block component 3 from the carrier 1, and take out the main board 101 and the sub-board 102 respectively.

[0088] The splitting fixture of this application embodiment includes a carrier 1, multiple clamping components 2, and a pull block assembly 3. The carrier 1 is provided with multiple positioning slots 11, and the pull block assembly 3 is provided with multiple elastic pull blocks 4 respectively located above the positioning slots 11. At least one clamping component 2 is provided on one side of each positioning slot 11. The clamping component 2 cooperates with the positioning slot 11 to clamp the main board 101 of the assembly board 100. The pull block assembly 3 is detachably connected to the carrier 1. The elastic pull blocks 4 can be locked to the sub-board 102 of the assembly board 100. When locked, the elastic pull blocks 4 have an upward elastic force in the vertical direction, so that after the solder paste between the main board 101 and the sub-board 102 melts, the elastic pull blocks 4 drive the sub-board 102 to move upward and separate from the main board 101 through the elastic force. This splitting fixture can fix multiple assembly boards 100 at the same time so that they can be placed in a high-temperature furnace at the same time. After the solder paste melts, the multiple assembly boards 100 can be split simultaneously by themselves, which improves the splitting speed of the assembly board 100 and reduces labor costs and equipment costs.

[0089] The above description is merely a preferred embodiment of this application and is 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.

Claims

1. A disassembly fixture for a composite board, the composite board comprising a main board and a sub-board soldered above the main board, characterized in that, The splitting fixture includes: The vehicle is equipped with multiple positioning slots; Multiple clamping assemblies are respectively installed on the carrier, and at least one clamping assembly is provided on one side of each positioning slot. The clamping assembly cooperates with the positioning slot to clamp the motherboard. A pull block assembly is detachably connected to the upper part of the vehicle. The pull block assembly has a plurality of elastic pull blocks located above the positioning slots. The elastic pull blocks are configured to be locked to the subplate.

2. The disassembly fixture according to claim 1, characterized in that, The pull block assembly includes a cover plate, which has a plurality of first mounting holes, and each of the first mounting holes is connected to one of the elastic pull blocks.

3. The disassembly fixture according to claim 2, characterized in that, The elastic pull block includes: A pull block includes a head and a connecting part connected in sequence, the connecting part passing through the first mounting hole and detachably connected to the sub-plate, the head being located on the outside of the cover plate; A first elastic connector is connected between the head and the cover plate; When locked, the first elastic connector has an upward elastic force in the vertical direction.

4. The disassembly fixture according to claim 3, characterized in that, The elastic pull block also includes a limiting member, which is installed on the connecting part and is located inside the cover plate.

5. The disassembly fixture according to claim 4, characterized in that, The connecting part includes a connecting rod and a locking head. The connecting rod connects the head and the locking head. A slot is provided at one end of the connecting rod near the locking head. The limiting member is installed in the slot. The locking head has external threads.

6. The disassembly fixture according to claim 4 or 5, characterized in that, When locked, there is an anti-collision distance between the bottom surface of the limiting member and the top surface of the sub-plate.

7. The disassembly fixture according to claim 1, characterized in that, The pull block assembly is provided with multiple connecting components, and the pull block assembly is detachably connected to the vehicle through the multiple connecting components.

8. The disassembly fixture according to claim 7, characterized in that, The pull block assembly includes a cover plate, which has a plurality of second mounting holes, and each second mounting hole is connected to one of the connecting components.

9. The disassembly fixture according to claim 8, characterized in that, The carrier is provided with multiple locking holes, which are respectively connected to multiple second mounting holes one by one, and the end of each connecting component is screwed into the corresponding locking hole.

10. The disassembly fixture according to claim 9, characterized in that, The connection component includes: Operation buttons; The locking pin includes a connecting pin and a snap-fit ​​part. One end of the connecting pin is connected to the operation button, and the other end of the connecting pin is connected to the snap-fit ​​part. Both ends of the snap-fit ​​part extend outward along the diameter of the connecting pin. The connecting pin is connected in the second mounting hole, and the snap-fit ​​part is located on the inner side of the cover plate. A second elastic connector is connected between the operation button and the cover plate.

11. The disassembly fixture according to claim 10, characterized in that, The lock hole includes a first hole and a second hole that are connected along the height direction. The shape of the first hole is adapted to the shape of the locking part. The second hole and the two sides of the first hole form a limiting step. After the locking part extends from the first hole into the second hole, it rotates at a predetermined angle to cooperate with the limiting step to lock the cover plate and the carrier.

12. The disassembly fixture according to claim 11, characterized in that, The second hole is a circular hole with a diameter greater than or equal to the length of the first hole. Two limiting protrusions are provided inside the second hole. The two limiting protrusions are respectively provided on the two limiting steps and located on different sides of the two limiting steps.

13. The disassembly fixture according to claim 1, characterized in that, Each of the positioning slots has at least one mounting slot on one side, and the clamping assembly is installed in the mounting slot; The clamping assembly includes a movable jaw and a third elastic connector. The movable jaw is movably disposed within the mounting groove, and the third elastic connector is connected between the movable jaw and the side wall of the mounting groove.

14. The disassembly fixture according to claim 2 or 8, characterized in that, The carrier is provided with a plurality of first positioning posts, and the cover plate is provided with a plurality of first positioning holes. The cover plate and the carrier are positioned and connected by the plurality of first positioning holes and the plurality of first positioning posts.

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