An injection mold for a power button bracket

Abstract

This utility model discloses an injection mold for a power button bracket, relating to the field of injection mold technology. It includes an upper mold and a lower mold. The upper mold has an upper mold core, and the lower mold has a lower mold core. The upper and lower mold cores are joined together to form a mold cavity for molding the product. A lower mold core and an upper mold core are respectively embedded at the center of the lower and upper mold cores. A connecting post protrudes from the center of the lower mold core, and first product contouring grooves are provided on both sides of the lower mold core. A connecting groove corresponding to the connecting post is recessed at the center of the upper mold core, and second product contouring grooves corresponding to the first product contouring grooves are provided on both sides of the upper mold core. A sliding core-pulling structure corresponding to the mold cavity is provided between the upper and lower molds. The sliding core-pulling structure includes a first molding insert, and a third product contouring groove is provided on one side of the first molding insert. This comprehensively ensures the molding accuracy of the power button bracket.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, specifically to an injection mold for a power button bracket. Background Technology

[0002] In the field of electronic equipment manufacturing, the power button is a core control component for turning devices on and off. Its corresponding power button bracket must possess high-precision structural dimensions and stable physical properties to ensure accurate fit with the device housing and internal circuitry, guaranteeing smooth button operation and a long service life. Currently, mass production of power button brackets mainly relies on injection molding. The injection mold, as the core equipment in this process, directly determines the product's molding quality, production efficiency, and manufacturing cost through its structural design.

[0003] Current injection molds used for molding power button brackets typically employ a conventional structure with upper and lower molds joined together, achieving basic product molding through contouring structures within the mold cavity. However, due to the complex local structures often present in power button brackets (such as snap-fit ​​components, positioning holes, or irregular contours for assembly), traditional molds face numerous technical challenges during the molding process. These challenges primarily manifest in the fact that, to meet the molding requirements of different parts of the bracket, the mold often needs to incorporate multiple molding components. However, the layout and assembly of existing components easily lead to uneven pressure distribution within the mold cavity, resulting in defects such as shrinkage marks, bubbles, or dimensional deviations in the product. This is especially problematic in the thin-walled connection areas of the bracket, where the molding precision is difficult to meet the stringent requirements of electronic devices.

[0004] Therefore, it is necessary to propose a new technical solution to address the above problems. Utility Model Content

[0005] To overcome the shortcomings mentioned above, this utility model aims to provide a technical solution that can solve the above problems.

[0006] An injection mold for a power button bracket includes an upper mold and a lower mold. The upper mold has an upper mold core, and the lower mold has a lower mold core. The upper mold core and the lower mold core are joined together to form a mold cavity for molding the product. The lower mold core and the upper mold core are respectively embedded in the center of the lower mold core and the upper mold core. The lower mold core has a protruding docking post at the center. The lower mold core has a first product contouring groove on both sides. The upper mold core has a recessed docking groove corresponding to the docking post at the center. The upper mold core has a second product contouring groove corresponding to the first product contouring groove on both sides. A core-pulling structure corresponding to the mold cavity is provided between the upper mold and the lower mold. The core-pulling structure includes a first molding insert. A third product contouring groove is provided on one side of the first molding insert. The first product contouring groove, the second product contouring groove, and the third product contouring groove surround and form the mold cavity.

[0007] As a further embodiment of this utility model: the row-position core-pulling structure further includes an inclined guide post, a limiting block, and a row-position seat; wherein... The inclined guide post and the limiting block are both fixed to the upper mold, and the sliding seat is slidably fitted into the lower mold; The inclined guide post and the limiting block are respectively slidably adapted to the row position seat to realize the driving and limiting of the row position seat; The first molding insert is fixedly connected to the side of the row seat near the mold cavity.

[0008] As a further embodiment of this utility model: the side of the lower mold core is provided with a sliding groove adapted to the first molding insert, one side of the first molding insert is slidably connected to the sliding groove, and the side forms an extension end that connects to the lower mold core, and the third product contour groove is provided at the extension end.

[0009] As a further embodiment of this utility model: a guide block is provided on the edge of the end face of the extension end, and a guide groove is correspondingly provided on the side of the upper mold core to slide and adapt to the guide block; The third product contour groove is formed on the side wall of the guide block.

[0010] As a further embodiment of this utility model: a second molding insert is embedded on the upper mold core, and the bottom end of the second molding insert passes through the upper mold core and is located in the second product contour groove of the upper mold core.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This power button bracket injection mold precisely fits the protruding mating post at the center of the lower mold core with the recessed mating groove at the center of the upper mold core, forcing the upper and lower mold cores to remain absolutely coaxial when they are closed, thus solving the positioning deviation problem of traditional mold cores. The first product contouring grooves on both sides of the lower mold core, the second product contouring grooves on both sides of the upper mold core, and the third product contouring groove of the first molding insert between the upper and lower molds work together to enclose the mold cavity, precisely covering the complex local structures of the power button bracket, such as the snap-fit ​​and positioning holes, thus solving the problem of incomplete coverage of molding components in traditional molds and resulting in a lack of detail precision. The sliding core-pulling structure between the upper and lower molds independently adjusts the position and fitting force of the first molding insert, ensuring uniform force distribution throughout the mold cavity and solving the problem of uneven pressure in traditional mold cavities, thereby comprehensively guaranteeing the molding precision of the power button bracket.

[0012] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of the present invention with the upper mold removed; Figure 3 This is a schematic diagram of the structure of the lower mold core, upper mold core, and sliding core-pulling structure in this utility model. Figure 4 This is a schematic diagram of the structure of the lower mold core, lower mold core and upper mold core in this utility model; Figure 5 This is a schematic diagram of the structure of the lower mold core and the first molding insert in this utility model. Figure 6 This is a schematic diagram of the upper mold core in this utility model; Figure 7 This is a cross-sectional structural diagram of the upper mold core, lower mold core, and first molding insert of this utility model.

[0015] The reference numerals and names in the figure are as follows: 1. Upper mold; 2. Lower mold; 3. Upper mold core; 4. Lower mold core; 5. Mold cavity; 6. Lower mold core; 7. Upper mold core; 8. Connecting pillar; 9. First product contouring groove; 10. Connecting groove; 11. Second product contouring groove; 12. First molding insert; 13. Third product contouring groove; 14. Angled guide pillar; 15. Limiting block; 16. Slide seat; 17. Slide groove; 18. Extension end; 19. Guide block; 20. Guide groove; 21. Second molding insert; 22. Slide core pulling structure. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1-7In this embodiment of the present invention, an injection mold for a power button bracket includes an upper mold 1 and a lower mold 2 that cooperate with each other. The upper mold 1 has an upper mold core 3, and the lower mold 2 has a lower mold core 4. The upper mold core 3 and the lower mold core 4 are connected to each other in the mold-closed state, and together they form the basic structure of the mold cavity 5 for molding the power button bracket.

[0018] To improve the positioning accuracy of the mold cavity 5, a lower mold core 6 is embedded in the center of the lower mold core 4, and an upper mold core 7 is correspondingly embedded in the center of the upper mold core 3. A docking post 8 protrudes vertically from the center of the lower mold core 6, while a docking groove 10 is recessed at the center of the upper mold core 7. The shape and size of the docking groove 10 are adapted to the docking post 8. When the upper and lower molds 2 are closed, the docking post 8 can be precisely embedded in the docking groove 10, achieving coaxial positioning of the upper mold core 7 and the lower mold core 6, and avoiding dimensional deviations in the mold cavity 5 caused by mold core offset.

[0019] The lower mold core 6 has symmetrically arranged first product contouring grooves 9 on both sides, and the upper mold core 7 has correspondingly arranged second product contouring grooves 11 on both sides. The contours of the first product contouring grooves 9 and the second product contouring grooves 11 match the main structure of the upper and lower surfaces of the power button bracket, respectively. At the same time, a sliding core-pulling structure 22 is provided between the upper mold 1 and the lower mold 2. This sliding core-pulling structure 22 is provided on the side of the mold cavity 5 and is used to form the lateral structure of the power button bracket.

[0020] The sliding core-pulling structure 22 specifically includes a first molding insert 12, an inclined guide post 14, a limiting block 15, and a sliding seat 16. The inclined guide post 14 and the limiting block 15 are fixedly installed at corresponding positions on the upper mold 1, while the sliding seat 16 is slidably fitted into a preset groove in the lower mold 2 via a slide rail or slider structure. The axis of the inclined guide post 14 forms a preset angle with the vertical direction, and its lower end passes through the upper mold 1 and slides into an inclined hole on the sliding seat 16. When the upper and lower molds 2 open and close, the inclined guide post 14 can drive the sliding seat 16 to reciprocate horizontally through the inclined hole. The limiting block 15 is disposed on the sliding path of the sliding seat 16 to limit the maximum sliding stroke of the sliding seat 16 and prevent it from slipping out of the preset position due to excessive sliding. The first molding insert 12 is fixedly connected to the side of the sliding seat 16 near the mold cavity 5 by bolts or a fitting structure, allowing the first molding insert 12 to move synchronously with the sliding seat 16.

[0021] A groove 17 is provided on the side of the lower mold core 4. The extension direction of the groove 17 is consistent with the sliding direction of the slide seat 16. The side of the first molding insert 12 away from the slide seat 16 is slidably connected to the groove 17, and an extension end 18 is formed on this side. The extension end 18 faces and abuts against the side of the lower mold core 6. A third product contouring groove 13 is provided on the side wall of the extension end 18. The outline of the third product contouring groove 13 matches the side structure (such as buckle, side hole, etc.) of the power button bracket. When the slide seat 16 drives the first molding insert 12 to slide to the working position, the extension end 18 is in contact with the side of the lower mold core 6 and the upper mold core 7. At this time, the first product contouring groove 9, the second product contouring groove 11 and the third product contouring groove 13 surround each other to form a complete mold cavity 5 to form the overall structure of the power button bracket.

[0022] A guide block 19 protrudes from the end face edge of the extension end 18. The guide block 19 extends vertically, and a guide groove 20 is correspondingly provided on the side of the upper mold core 7. The shape of the guide groove 20 is adapted to the guide block 19. When the upper and lower molds 2 are closed, the guide block 19 can slide into the guide groove 20, further improving the docking accuracy between the first molding insert 12 and the upper mold core 7. At this time, part of the structure of the third product contour groove 13 is formed on the side wall of the guide block 19 facing the mold cavity 5, ensuring the molding integrity of the side structure of the power button bracket.

[0023] In addition, a second molding insert 21 is embedded in the upper mold core 7. The top end of the second molding insert 21 is fixed in the mounting hole of the upper mold core 7, and the bottom end passes through the upper mold core 7 and extends into the second product contour groove 11. The lower contour of the second molding insert 21 matches the local fine structure (such as bosses, small holes, etc.) on the upper surface of the power button bracket, and is used to mold this part of the structure to improve the molding accuracy of product details.

[0024] In the actual injection molding process, when the upper mold 1 and the lower mold 2 are closed, the docking post 8 is embedded in the docking groove 10 to realize the positioning of the upper mold core 7 and the lower mold core 6. The guide block 19 slides into the guide groove 20 to assist in the positioning of the first molding insert 12. The first product contour groove 9, the second product contour groove 11 and the third product contour groove 13 surround to form a complete mold cavity 5. After the injection molding is completed, the upper mold 1 moves upward, and the inclined guide post 14 drives the slide seat 16 to drive the first molding insert 12 to slide outward along the slide groove 17, detaching from the side structure of the product. Then the demolding operation can be performed to complete the molding of the power button bracket.

[0025] In summary, this power button bracket injection mold precisely engages the protruding mating post 8 at the center of the lower mold core 6 with the recessed mating groove 10 at the center of the upper mold core 7, forcing the upper mold core 7 and lower mold core 6 to maintain absolute coaxiality when the molds are closed, thus solving the positioning deviation problem of traditional mold cores. The first product contouring grooves 9 on both sides of the lower mold core 6, the second product contouring grooves 11 on both sides of the upper mold core 7, and the third product contouring groove 13 of the first molding insert 12 between the upper mold 1 and lower mold 2, together enclose the mold cavity 5, precisely covering the complex local structures of the power button bracket, such as the snap-fit ​​and positioning holes, thus solving the problem of insufficient detail precision caused by incomplete coverage of molding components in traditional molds. The sliding core-pulling structure 22 between the upper mold 1 and lower mold 2 independently adjusts the position and contact force of the first molding insert 12, ensuring uniform force distribution in all areas of the mold cavity 5, solving the problem of uneven pressure in traditional mold cavities, thereby comprehensively ensuring the molding precision of the power button bracket.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

Claims

1. An injection mold for a power button bracket, characterized in that, It includes an upper mold and a lower mold, the upper mold has an upper mold core, and the lower mold has a lower mold core. The upper mold core and the lower mold core are joined together to form a mold cavity for molding products. The lower mold core and the upper mold core are respectively embedded in the center of the lower mold core and the upper mold core. The lower mold core has a protruding docking post at the center. The lower mold core has a first product contouring groove on both sides. The upper mold core has a recessed docking groove corresponding to the docking post at the center. The upper mold core has a second product contouring groove corresponding to the first product contouring groove on both sides. A core-pulling structure corresponding to the mold cavity is provided between the upper mold and the lower mold. The core-pulling structure includes a first molding insert. A third product contouring groove is provided on one side of the first molding insert. The first product contouring groove, the second product contouring groove, and the third product contouring groove surround and form the mold cavity.

2. The injection mold for a power button bracket according to claim 1, characterized in that, The row-position core-pulling structure also includes inclined guide posts, limiting blocks, and row-position seats; wherein... The inclined guide post and the limiting block are both fixed to the upper mold, and the sliding seat is slidably fitted into the lower mold; The inclined guide post and the limiting block are respectively slidably adapted to the row position seat to realize the driving and limiting of the row position seat; The first molding insert is fixedly connected to the side of the row seat near the mold cavity.

3. The injection mold for a power button bracket according to claim 1 or 2, characterized in that, The lower mold core has a groove on its side that is adapted to the first molding insert. One side of the first molding insert is slidably connected to the groove, and an extension end that abuts the lower mold core is formed on that side. The third product contouring groove is provided on the extension end.

4. The injection mold for a power button bracket according to claim 3, characterized in that, The end face edge of the extension end is provided with a guide block, and the side of the upper mold core is provided with a guide groove that is slidably adapted to the guide block. The third product contour groove is formed on the side wall of the guide block.

5. The injection mold for a power button bracket according to claim 1, characterized in that, The upper mold core is provided with a second molding insert, the bottom end of which passes through the upper mold core and is located in the second product contour groove of the upper mold core.

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