Dispensing positioning device

Abstract

The utility model relates to a dispensing positioning device, which belongs to the technical field of positioning devices and comprises an upper die and a lower die, and vertical positioning between a transformer body and a positioning plate is realized through a first limiting groove arranged on the upper die and clamped with the upper edge of the transformer body and a second limiting groove arranged on the lower die and clamped with the positioning plate. And the upper mold and the lower mold are locked through the clamp, so that the positioning plate and the transformer body can be further fixed during dispensing operation, and the stability of the dispensing process is ensured.

Description

Technical Field

[0001] This utility model belongs to the field of positioning device technology, specifically relating to a dispensing positioning device. Background Technology

[0002] In the manufacturing process of transformers, the dispensing process is an essential step. Transformers contain multiple pins that connect to a circuit board to function. However, multiple transformers need to be connected consecutively on the same circuit board. Therefore, to ensure alignment between the transformer pins and the corresponding insertion holes on the circuit board, existing technology addresses the positioning problem during connection by installing a positioning plate on the transformer. The positioning plate is perpendicular to the pins, allowing it to restrict the transformer's position and ensure alignment between the pins and the corresponding insertion holes on the circuit board.

[0003] To fix the positioning plate and the transformer body, adhesive needs to be applied between them. However, during the adhesive application process, the positional relationship between the positioning plate and the transformer body needs to be locked to ensure that the adhesive is applied correctly and that the transformer and the positioning plate remain stable during the adhesive application process. Currently, tape is generally wrapped between the positioning plate and the transformer body to fix them together.

[0004] However, when the tape is wrapped between the positioning plate and the transformer body, the tape applies pressure to the positioning plate. Furthermore, because the tape is typically wound in a spiral or loop shape, the pressure is not evenly distributed across the entire surface of the positioning plate; instead, it is concentrated in the areas where the tape is wrapped, while the unwrapped areas experience almost no pressure. This uneven stress distribution causes localized deformation of the positioning plate at the stress points. Especially when the positioning plate is thin or lacks rigidity, it is prone to dents or bends, affecting its stability and hindering its positioning effectiveness when the transformer is connected to the circuit board.

[0005] Therefore, a positioning fixture is needed for use when dispensing adhesive to transformers and positioning plates to achieve positioning of transformers and positioning plates during the dispensing process. Utility Model Content

[0006] To address the aforementioned problems in the prior art, this utility model provides a dispensing positioning device that solves the problem of weakened locking effect between the upper and lower molds of the positioning device caused by the irregular shape of the transformer.

[0007] The purpose of this utility model can be achieved through the following technical solution: a dispensing positioning device, including an upper mold and a lower mold, wherein a first limiting groove is provided in the upper mold, the first limiting groove is clamped to the upper edge of the transformer body, and a second limiting groove is provided on the lower mold for accommodating a positioning plate, wherein the edge of the second limiting groove is matched with the positioning plate, and a second through hole is provided in the middle of the second limiting groove, wherein the second through hole is used for the pins of the transformer body to extend out.

[0008] A through groove for dispensing adhesive is provided between the upper mold and the lower mold;

[0009] It also includes a clamp, which includes a locking block, a hinge seat, and a limiting rod. The hinge seat is disposed at both ends of the upper mold, and a spring is disposed between the locking block and the hinge seat. The limiting rod is disposed at both ends of the lower mold and cooperates with the locking block. The clamp drives the locking block and the limiting rod to clamp together to achieve locking between the upper mold and the lower mold.

[0010] Preferably, it further includes two protrusions and two grooves, with the two protrusions symmetrically arranged at both ends of the upper mold, and the two grooves respectively corresponding to and cooperating with the two protrusions arranged at both ends of the lower mold.

[0011] Preferably, the four corners of the first and second limiting grooves are extended with arc-shaped extensions.

[0012] Preferably, the bottom surface of the second limiting groove is parallel to the positioning plate.

[0013] Preferably, a silicone pad is provided on the inner wall of the first limiting groove.

[0014] The beneficial effects of this utility model are as follows:

[0015] The transformer body and the positioning plate are positioned vertically by means of a first limiting groove on the upper mold that engages with the upper edge of the transformer body, and a second limiting groove on the lower mold that engages with the positioning plate. The upper and lower molds are locked by a clamp, which further ensures that the positioning plate and the transformer body can be fixed during the dispensing operation, thus ensuring the stability of the dispensing process. Attached Figure Description

[0016] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a schematic diagram of the transformer structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the upper mold of this utility model;

[0019] Figure 3 This is a schematic diagram of the lower mold of this utility model;

[0020] Explanation of main component symbols

[0021] In the diagram: 11. Transformer body; 12. Positioning plate; 2. Second limiting groove; 31. Locking block; 32. Hinge seat; 4. Upper mold; 5. Limiting rod; 61. Protrusion; 62. Groove; 7. Second through hole. Detailed Implementation

[0022] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0023] To ensure the transformer pins align correctly with the sockets on the circuit board when multiple transformers are sequentially inserted, preventing a chain reaction of incorrect pin alignment for subsequent transformers, a positioning plate is attached to the transformer body. This positioning plate is perpendicular to the transformer pins to facilitate accurate placement during insertion. However, since the positioning plate 12 and the transformer body 11 are positioned using adhesive dispensing, a dispensing positioning device is needed to ensure proper alignment between the transformer body and the positioning plate.

[0024] Please see Figures 1-3 This embodiment provides a dispensing positioning device, including an upper mold 4 and a lower mold. A first limiting groove is provided in the upper mold 4, which is engaged with the upper edge of the transformer body 11. The first limiting groove has a first through hole, which is designed to fit the upper edge of the transformer to facilitate the extension of the transformer coil. Therefore, the limiting groove on the upper mold 4 is engaged with the upper edge of the transformer. The lower mold is provided with a second limiting groove 2 for accommodating the positioning plate 12. The edge of the second limiting groove 2 is engaged with the positioning plate 12, and the bottom surface of the second limiting groove 2 is parallel to the positioning plate 12. Since the positioning plate 12 and the pin are perpendicular to each other, the second limiting groove 2 and the pin are also perpendicular to each other. Similarly, the inner wall of the bottom of the first limiting groove and the inner wall of the bottom of the second limiting groove 2 are parallel, ensuring that the limiting effect between the upper and lower molds is consistent when the transformer body 11 and the positioning plate 12 are engaged and positioned, so as to ensure accurate positioning of the pins on the transformer body 11 when dispensing with the positioning plate 12. The first limiting groove has a certain depth to lock the upper edge of the transformer body, and the depth of the second limiting groove 2 matches that of the positioning plate 12.

[0025] The second limiting groove 2 is provided with a second through hole 7 in the middle, and the second through hole 7 is used for the pins of the transformer body 11 to extend out.

[0026] A through groove for dispensing glue is left between the upper mold 4 and the lower mold. The glue dispensing operation is used to fix the positioning plate 12 and the transformer body 11.

[0027] To achieve clamping between the upper mold 4 and the lower mold during dispensing, a fixture is also included. The fixture includes a locking block 31, a hinge seat 32, and a limiting rod 5. The hinge seat 32 is located at both ends of the upper mold 4. A spring is provided between the locking block 31 and the hinge seat 32. The limiting rod 5 is located at both ends of the lower mold and cooperates with the locking block 31. The fixture drives the locking block 31 and the limiting rod 5 to clamp together, thereby locking the upper mold 4 and the lower mold.

[0028] Operation process: When positioning the transformer and positioning plate 12 using the upper and lower molds, the positioning plate 12 and the second limiting groove 2 are fitted together, that is, the connecting body formed by the positioning plate 12 and the transformer body 11 is inserted into the lower mold. By pressing the upper end of the locking block 31 inward (this inward pressing is relative to the direction inside and outside of the upper mold 4), the middle of the locking block 31 is compressed inward, and the lower end of the locking block 31 is raised, that is, the lower end of the locking block 31 is away from the upper mold 4, and the upper edge of the transformer body 11 is engaged with the first limiting groove, that is, the upper and lower molds are engaged. At the same time, the two locking blocks 31 are engaged with the limiting rod 5 respectively. The force pressed on the upper end of the locking block 31 is released, the spring returns to its original position, and the upper and lower molds are locked. After the glue dispensing operation is completed, the above operation of the locking block 31 is repeated to remove the connecting body formed by the transformer body 11 and the locking block 31, completing the positioning.

[0029] It ensures that the upper and lower molds can automatically remain closed or open when no external force is applied, without the need for additional external force or other auxiliary mechanisms. Moreover, the spring force ensures that the upper and lower molds fit tightly when closed, preventing loosening or misalignment.

[0030] Because the upper mold 4 requires the lower end of the locking block 31 and the limiting rod 5 to engage when mating with the lower mold, and also requires the first limiting groove and the upper edge of the transformer body 11 to engage, the operation is too cumbersome and cannot be fully engaged in one go, requiring adjustments and wasting time. To further improve the fit between the upper and lower molds and shorten the engagement time, in one embodiment, two grooves 62 and two protrusions 61 are included. The two grooves 62 are symmetrically arranged at both ends of the lower mold, and the two protrusions 61 are symmetrically arranged on both sides of the upper mold 4. The protrusions 61 and the grooves 62 are matched in shape and size, so that the protrusions 61 can be fitted into the grooves 62, achieving rapid positioning between the upper and lower molds. This facilitates rapid engagement between the upper and lower molds when the lower end of the locking block 31 is pressed and lifted, and allows for better clamping when the upper and lower molds are closed. Alternatively, grooves 62 can be symmetrically arranged at both ends of the lower mold, and protrusions 61 can be symmetrically arranged at both ends of the upper mold 4 to achieve the mating relationship between the upper and lower molds.

[0031] Because the upper edge of the transformer body 11, which engages with the first limiting groove, is a cuboid with four right angles, and the positioning plate 12 is a cube with a certain thickness, stress concentration easily occurs at the right angles of the rectangular second limiting groove 2 when the four corners of the positioning plate 12 are fitted into the second limiting groove 2. When the positioning plate 12 is embedded in the second limiting groove 2, the sharp edges at the right angles of the second limiting groove 2 will exert a large local pressure on the positioning plate 12. Especially when subjected to external impact or vibration, this stress concentration may cause the positioning plate 12 to crack, deform, or be damaged at the right angles, thereby affecting the positioning effect of the positioning plate 12. Similarly, the fitting effect between the upper edge of the transformer body 11 and the first limiting groove is also similar. Therefore, in order to reduce the damage of the first limiting groove to the upper edge of the transformer body 11 or the second limiting groove 2 to the surrounding area of ​​the positioning plate 12, in one embodiment, the four corners of the first limiting groove and the second limiting groove 2 are extended with arc-shaped extensions. By setting arc-shaped extensions at right angles, the stress originally concentrated at the right angles can be dispersed to a larger area, thereby reducing local stress concentration. The arc-shaped structure can better adapt to the action of external forces, avoiding excessive pressure on the positioning plate 12 at the right angles, thereby effectively reducing the risk of damage to the positioning plate 12 at the right angles and extending its service life. Moreover, each arc-shaped part is connected to the corresponding groove, realizing the limiting of the four corners of the upper edge of the transformer body 11 or the four corners of the positioning plate 12, and better realizing the limiting of the upper edge of the transformer or the positioning plate 12.

[0032] To further reduce the damage to the upper edge of the transformer or the positioning plate 12 caused by the groove wall, in one embodiment, silicone pads are respectively provided at the four corners of the bottom inner wall of the first limiting groove and the second limiting groove 2. The silicone pads can be set on the groove wall of the first limiting groove or concentrated on the bottom inner wall of the four corners of the first limiting groove. Since the force is greatest at the four corners, setting the silicone pads in the four right angles can effectively reduce the damage to the positioning plate 12 or the upper edge of the transformer body 11 caused by the mold closing or opening of the upper and lower molds. Of course, the thickness of the silicone pads should be set thinner so as not to affect the limiting effect of the first limiting groove and the second limiting groove 2.

[0033] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A dispensing positioning device, characterized by: The upper die is provided with a first limiting groove, the first limiting groove and the upper edge of the transformer body are clamped, the lower die is provided with a second limiting groove for accommodating the positioning plate, the edge of the second limiting groove is matched with the positioning plate, the second limiting groove is provided with a second through hole in the middle, and the second through hole is used for the pin of the transformer body to extend out; The upper die and the lower die are left with a through groove for point gluing; The clamp further comprises a clamping block, a hinged seat and a limiting rod, the hinged seat is arranged at both ends of the upper die, a spring is arranged between the clamping block and the hinged seat, the limiting rod is arranged at both ends of the lower die and matched with the clamping block, and the clamp drives the clamping block and the limiting rod to clamp and realize the locking between the upper die and the lower die.

2. The dispensing positioning device of claim 1, wherein: Two convex blocks and two concave grooves are further included, the two convex blocks are symmetrically arranged at both ends of the upper die, and the two concave grooves are respectively arranged at both ends of the lower die and matched with the two convex blocks.

3. The device of claim 2, wherein: Arc extension parts are outwardly extended at four corners of the first limiting groove and the second limiting groove.

4. The device of claim 1, wherein: The groove bottom surface of the second limiting groove is parallel to the positioning plate.

5. The device of claim 2, wherein: The inner wall of the first limiting groove is provided with a silica gel pad.

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