Assembly positioning jig

Abstract

The utility model relates to inductor assembly technical field, especially in a kind of assembly positioning jig, including base and top cover, the base is provided with multiple main positioning slot, the main positioning slot is matched with the overall size of PFC inductor, the base is also provided with first positioning slot, the first positioning slot is matched with the size of the bottom magnetic core of PFC inductor, the top cover is provided with second positioning slot, the second positioning slot is matched with the size of the top magnetic core of PFC inductor, the top cover with the base between being provided with quick pull buckle structure.The utility model makes the main body of PFC inductor, bottom magnetic core and top magnetic core can be positioned, quick pull buckle structure not only facilitates the installation, disassembly of top cover and base, can also provide acting force simultaneously so that PFC inductor keeps pressure force, ensure that each component keeps the stability after bonding, finally improves the yield and quality of PFC inductor assembly.

Description

Technical Field

[0001] This utility model relates to the field of inductor assembly technology, and in particular to an assembly positioning fixture. Background Technology

[0002] Power factor correction (PFC) inductors are core components in power electronic devices such as charging piles. They are primarily used to optimize energy utilization, reduce harmonic pollution, and improve system stability. A PFC inductor includes a magnetic core, winding posts, and coils (windings). Some products also include a fiberglass board located at the connection between the winding posts and the magnetic core, providing isolation and stress buffering. Currently, most PFC inductor assembly is done manually. First, the bottom magnetic core is placed on a workbench. Then, the first end of the winding post is glued to the bottom magnetic core. Next, the coil is inserted into the corresponding winding post. Finally, the top magnetic core is glued to the second end of the winding post. The fiberglass board has through-holes through which the winding posts pass. It is first attached to the magnetic core, and then the winding posts pass through the corresponding through-holes to connect with the magnetic core. After assembly, the product needs to be maintained in a predetermined shape and pressure to allow the adhesive to cure, resulting in a secure connection between the magnetic core, winding posts, etc. Traditionally, products are placed directly in collection boxes on the production floor and left to cure automatically with glue. This can lead to loose connections or deformation before the glue is fully cured, so improvements are needed. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of the aforementioned background technology by providing a fixture that can position assembled PFC inductors, prevent loosening or deformation of connections before the adhesive has fully cured, thereby improving product quality.

[0004] To achieve the above objectives, this utility model provides an assembly positioning fixture, including a base and a top cover. The base is provided with a plurality of main positioning slots, which are matched with the overall size of the PFC inductor. The base is also provided with a first positioning slot, which is matched with the size of the bottom magnetic core of the PFC inductor. The top cover is provided with a second positioning slot, which is matched with the size of the top magnetic core of the PFC inductor.

[0005] A quick-release buckle structure is provided between the top cover and the base. The quick-release buckle structure includes a first buckle seat, a movable buckle seat, a second buckle seat, and a buckle ring. The first buckle seat is connected to the base, the second buckle seat is connected to the top cover, the movable buckle seat is rotatably connected to the first buckle seat, and the buckle ring is U-shaped. The end of the buckle ring is associated with the movable buckle seat, and the buckle ring can be fastened to the second buckle seat.

[0006] Furthermore, the pull-tab movable seat is provided with a connecting post, the connecting post has a connecting hole, the two ends of the pull-tab ring are provided with external threads, both ends of the pull-tab ring are inserted into the connecting hole and locked by a nut.

[0007] Furthermore, the second pull buckle seat is provided with a V-shaped groove, which matches the pull buckle ring.

[0008] Furthermore, the pull-button movable seat is also provided with a handle for hand operation.

[0009] Furthermore, the base includes a base plate and a side plate, and the first positioning groove is formed on the base plate.

[0010] Furthermore, a material inlet is provided on the base plate, which corresponds to the first positioning groove.

[0011] Furthermore, a buffer plate is provided in the first positioning groove and the second positioning groove, and the buffer plate is made of elastic material.

[0012] Furthermore, the base is provided with three main positioning slots.

[0013] The above-mentioned solution of this utility model has the following beneficial effects:

[0014] The assembly positioning fixture provided by this utility model can simultaneously position and hold pressure on multiple assembled PFC inductors. Relying on the main positioning groove and the first positioning groove on the base, as well as the second positioning groove on the top cover, the main body, bottom magnetic core, and top magnetic core of the PFC inductor can all be positioned. The quick-release buckle structure not only facilitates the installation and removal of the top cover and the base, but also provides force to keep the PFC inductor pressed, ensuring that each component remains stable after bonding, avoiding loose connections, displacement, and other phenomena, ultimately improving the yield and quality of PFC inductor assembly.

[0015] Other beneficial effects of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the quick-release buckle structure of this utility model;

[0018] Figure 3 This is a schematic diagram of a PFC inductor.

[0019] [Explanation of Labels in the Attached Image]

[0020] 1-Base; 2-Top cover; 3-Main positioning groove; 4-PCF inductor; 5-First positioning groove; 6-Bottom magnetic core; 7-Second positioning groove; 8-Top magnetic core; 9-First pull-button seat; 10-Pull-button movable seat; 11-Second pull-button seat; 12-Pull-button ring; 13-Handle; 14-Base plate; 15-Side plate; 16-Material outlet. Detailed Implementation

[0021] To make the technical problems, solutions, and advantages of this utility model clearer, a detailed description will be provided below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and 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 of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a locking connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] like Figures 1-3As shown, an embodiment of this utility model provides an assembly positioning fixture, including a base 1 and a top cover 2. The base 1 has multiple main positioning slots 3, which match the overall size of the PFC inductor 4, capable of accommodating the assembled PFC inductor 4. The base 1 also has a first positioning slot 5, which matches the size of the bottom magnetic core 6 of the PFC inductor 4, used for positioning the bottom magnetic core 6. The top cover 2 is detachably connected to the base 1, and the top cover 2 has a second positioning slot 7, which matches the size of the top magnetic core 8 of the PFC inductor 4, used for positioning the top magnetic core 8.

[0025] The base 1 and the top cover 2 are detachably connected via a quick-release buckle structure. Specifically, the quick-release buckle structure includes a first buckle seat 9, a movable buckle seat 10, a second buckle seat 11, and a buckle ring 12. The first buckle seat 9 is fixedly connected to the base 1, and the second buckle seat 11 is fixedly connected to the top cover 2. The movable buckle seat 10 is rotatably connected to the first buckle seat 9. The movable buckle seat 10 is provided with a connecting post, and the buckle ring 12 is U-shaped with external threads at both ends. The connecting post has connecting holes, and both ends of the buckle ring 12 are inserted into the connecting holes of the connecting post, and the two ends of the buckle ring 12 are connected to the corresponding connecting posts by nuts.

[0026] Therefore, when the pull-tab movable seat 10 rotates relative to the first pull-tab seat 9, it can drive the pull-tab ring 12 to change position. The second pull-tab seat 11 is provided with a V-shaped groove. After the top cover 2 and the base 1 are pre-assembled, the pull-tab movable seat 10 can be controlled to rotate relative to the first pull-tab seat 11 to a first preset angle, so that the pull-tab ring 12 is aligned with the second pull-tab seat 11. Then the pull-tab movable seat 10 rotates relative to the first pull-tab seat 9 to a second preset angle, and the pull-tab ring 12 moves with the pull-tab movable seat 10, which can fit into the second pull-tab seat 11. At the same time, it is kept in a taut state under the action of the V-shaped groove (at this time, the pull-tab ring 12 produces a slight elastic deformation), so that the top cover 2 and the base 1 form a firm connection, and a certain pulling force is generated through the pull-tab ring 12. This pulling force can make the top cover 2 press on the top magnetic core 8 and the base 1 press on the bottom magnetic core 6, so that the PFC inductor 4 is subjected to clamping force in two directions. Based on this clamping force, the PFC inductor 4 can be positioned and maintained under pressure, ensuring the stability of each component after bonding and avoiding loosening or displacement.

[0027] In a preferred embodiment, the pull-tab movable seat 10 is also provided with a handle 13, which facilitates operation by personnel. When it is necessary to remove the top cover 2 from the base 1, the pull-tab movable seat 10 can be rotated relative to the first pull-tab seat 9 to a first preset angle by using the handle 13. At this time, the pull-tab ring 12 gradually exits from the V-groove, and then the top cover 2 can be removed.

[0028] Of course, in other specific implementations, the quick-pull buckle structure can also be replaced by a bolt connection structure, etc. However, the installation and disassembly efficiency is relatively low when using a bolt connection, so it is only considered as an implementation method.

[0029] In a preferred embodiment, the base 1 includes a base plate 14 and a side plate 15. The base plate 14 contacts the bottom magnetic core 6, and a first positioning groove 5 is formed on the base plate 14. The side plate 15 contacts the side of the entire PFC inductor 4. When positioning the PFC inductor 4, the top cover 2, in conjunction with the base plate 14, generates a clamping force on the PFC inductor 4, thereby positioning and maintaining pressure on the PFC inductor 4.

[0030] In a preferred embodiment, buffer plates (not shown in the figure) can be further provided in the first positioning groove 5 and the second positioning groove 7. The buffer plates are made of elastic materials, such as silicone, so that the top cover 2, the bottom plate 14, etc., will not make obvious hard contact with the top magnetic core 8 and the bottom magnetic core 6, resulting in pressure marks or even damage to the surface of the magnetic core, affecting product quality. It should be noted that the buffer plates are preferably filled in later, that is, after the top cover 2 and the base 1 are pre-assembled, the two buffer plates are inserted between the first positioning groove 5 and the bottom magnetic core 6, and between the second positioning groove 7 and the top magnetic core 8, respectively, and then the quick-release buckle structure is fastened, so that the buffer plates can play a buffering role.

[0031] In a preferred embodiment, the base plate 14 is further provided with a material inlet 16, which corresponds to the second positioning groove 7, so that the PFC inductor 4 can be directly removed from the main positioning groove 3 after the top cover 2 is disassembled. At this time, the operator can put their finger through the material inlet 16 and contact the bottom magnetic core 6, and push it out so that the bottom magnetic core 6 no longer contacts the first positioning groove 5, and then directly pick it up.

[0032] Please refer to it again. Figure 1 In this embodiment, the base 1 is provided with three main positioning slots 3, thus enabling the positioning and holding of three PFC inductors 4 to be completed at once, further improving work efficiency compared to the individual method. Of course, in other embodiments, more main positioning slots 3 can be provided, and the second positioning slot 7 of the top cover 2 also adopts a matching form. However, this would make the entire assembly positioning fixture larger in size, more laborious to operate, and the previously assembled PFC inductors 4 might be left for too long while waiting for subsequent assembly, thus failing to be positioned and held. Therefore, the number of main positioning slots 3 needs to be set appropriately.

[0033] In summary, the assembly positioning fixture provided in this embodiment can simultaneously position and hold multiple assembled PFC inductors 4. Relying on the main positioning groove 3 and the first positioning groove 5 on the base 1, and the second positioning groove 7 on the top cover 2, the main body, bottom magnetic core 6, and top magnetic core 8 of the PFC inductor 4 can all be positioned. The quick-release buckle structure not only facilitates the installation and removal of the top cover 2 and the base 1, but also provides force to keep the PFC inductor 4 pressed, ensuring that each component remains stable after bonding, avoiding loose connections, displacement, and other phenomena, ultimately improving the yield and quality of the assembled PFC inductor 4.

[0034] The technical features of the above embodiments 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 there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0035] The above embodiments are merely illustrative of several implementation methods of this application, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this application should be determined by the appended claims.

Claims

1. An assembly positioning fixture, characterized in that, The device includes a base and a top cover. The base is provided with multiple main positioning slots that match the overall size of the PFC inductor. The base is also provided with a first positioning slot that matches the size of the bottom magnetic core of the PFC inductor. The top cover is provided with a second positioning slot that matches the size of the top magnetic core of the PFC inductor. A quick-release buckle structure is provided between the top cover and the base. The quick-release buckle structure includes a first buckle seat, a movable buckle seat, a second buckle seat, and a buckle ring. The first buckle seat is connected to the base, the second buckle seat is connected to the top cover, the movable buckle seat is rotatably connected to the first buckle seat, and the buckle ring is U-shaped. The end of the buckle ring is associated with the movable buckle seat, and the buckle ring can be fastened to the second buckle seat.

2. The assembly positioning fixture according to claim 1, characterized in that, The pull-tab movable seat is provided with a connecting post, the connecting post has a connecting hole, the two ends of the pull-tab ring are provided with external threads, both ends of the pull-tab ring are inserted into the connecting hole and locked by a nut.

3. The assembly positioning fixture according to claim 1, characterized in that, The second pull buckle seat is provided with a V-shaped groove, which matches the pull buckle ring.

4. The assembly positioning fixture according to claim 1, characterized in that, The pull-button movable seat is also provided with a handle for hand operation.

5. The assembly positioning fixture according to claim 1, characterized in that, The base includes a base plate and a side plate, and the first positioning groove is formed on the base plate.

6. The assembly positioning fixture according to claim 5, characterized in that, The base plate is also provided with a material inlet, which corresponds to the first positioning groove.

7. The assembly positioning fixture according to claim 1, characterized in that, The first positioning groove and the second positioning groove are also provided with a buffer plate, which is made of elastic material.

8. The assembly positioning fixture according to any one of claims 1-7, characterized in that, The base has three main positioning slots.

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