Mould for horn cover silica gel product

Abstract

The utility model relates to the technical field of dies, and particularly discloses a horn cover silica gel product die. Wherein the lower mold core is arranged below the upper mold core, the forming insert is arranged on the lower mold core, the ejection structure is used for ejecting out the forming insert, the forming insert is provided with a first fixing structure used for fixing a plastic part, and the plastic part is provided with a second fixing structure used for fixing an annular flexible circuit board. According to the utility model, the positions of the plastic part and the annular flexible circuit board are effectively fixed and are kept stable in the forming process, so that the forming quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field especially a loudspeaker cover silica gel product mould. BACKGROUND

[0002] Liquid silicone rubber has good fluidity and plasticity, can be evenly distributed in the mold, and can accurately fill the corners of various complex structures. The loudspeaker cover of the traditional breast pump is mostly a plastic product, but as people pursue the comfort of use, the part in contact with the skin is changed to a silica gel material, which greatly improves the comfort experience of users during use. Because the silica gel material is relatively soft, in order to ensure that the loudspeaker cover has sufficient support strength, a plastic part needs to be added for reinforcement; at the same time, in order to further improve the functionality of the breast pump, a ring-shaped soft circuit board is added; moreover, the lower part of the plastic part and the ring-shaped soft circuit board is a ring structure, and the upper part still has a joint structure for external connection line, which makes the loudspeaker cover difficult to be integrally formed, and the plastic part and the ring-shaped soft circuit board are easily displaced during forming, thereby causing the forming quality to decrease. SUMMARY

[0003] The utility model aims at solving one of the technical problems existing in the prior art. To this end, the utility model provides a loudspeaker cover silica gel product mould, which effectively fixes the positions of the plastic part and the ring-shaped soft circuit board, ensures that they remain stable during forming, and improves the forming quality.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A loudspeaker cover silica gel product mould, comprising: an upper mould core, a lower mould core arranged below the upper mould core, a forming insert arranged on the lower mould core, and an ejection structure for ejecting the forming insert, the forming insert having a first fixing structure for fixing a plastic part, and the plastic part having a second fixing structure for fixing a ring-shaped soft circuit board.

[0006] According to some embodiments of the utility model, the first fixing structure comprises a first fixing groove arranged on the forming insert, and the first fixing groove is matched with the bottom of the joint structure of the plastic part.

[0007] According to some embodiments of the utility model, the outer side of the first fixing groove is provided with a first forming groove.

[0008] According to some embodiments of the utility model, a plurality of first fixing blocks are arranged in the first fixing groove, the joint structure of the plastic part has a plurality of second fixing grooves matched with the first fixing blocks, and the first fixing blocks are inserted into the second fixing grooves.

[0009] According to some embodiments of the present application, the first fixing structure comprises a C-shaped first annular protruding part arranged on the forming insert, and the first annular protruding part is used for fixing the annular structure of the plastic part.

[0010] According to some embodiments of the present application, the second fixing structure comprises a plurality of second fixing blocks arranged on the joint structure of the plastic part, and the second fixing blocks are used for fixing the joint structure of the annular flexible circuit board.

[0011] According to some embodiments of the present application, the second fixing structure comprises a C-shaped second annular protruding part arranged on the plastic part and a circular third annular protruding part arranged on the lower side of the second annular protruding part, and the second annular protruding part and the third annular protruding part are used for fixing the annular structure of the annular flexible circuit board.

[0012] According to some embodiments of the present application, a plurality of first connecting holes are arranged on the joint structure of the plastic part, and a plurality of second connecting holes corresponding to the first connecting holes are arranged on the joint structure of the annular flexible circuit board.

[0013] According to some embodiments of the present application, an annular third fixing block is arranged on the upper side of the forming insert and extends towards the lower mold core.

[0014] According to some embodiments of the present application, the forming insert comprises an ejection seat connected with the ejection structure at the bottom of the forming insert.

[0015] The present application has at least the following advantages:

[0016] The first fixing structure on the forming insert is used for mounting and fixing the plastic part, the second fixing structure on the plastic part is used for mounting the annular flexible circuit board, and a stable mounting foundation is provided for the plastic part and the annular flexible circuit board, so that the position accuracy of the plastic part and the annular flexible circuit board in the forming is ensured, and the forming quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a sectional view of the mold of an embodiment of the present application;

[0018] Figure 2 It is a structural schematic view of the forming insert of an embodiment of the present application;

[0019] Figure 3 It is a structural schematic view of the forming insert and the plastic part of an embodiment of the present application;

[0020] Figure 4 It is a structural schematic view of the forming insert, the plastic part and the annular flexible circuit board of an embodiment of the present application. DETAILED DESCRIPTION

[0021] This invention provides the following description with reference to the accompanying drawings to aid in a comprehensive understanding of the various embodiments of the invention as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but these details should be considered exemplary only. Therefore, those skilled in the art will recognize that various changes and modifications can be made to the various embodiments described herein without departing from the scope and spirit of the invention.

[0022] In the description of this utility model, the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this utility model.

[0023] It should be understood that when one element (e.g., the first element) is “connected” to another element (e.g., the second element), the element may be directly connected to the other element, or there may be an intervening element (e.g., the third element) between the element and the other element.

[0024] An embodiment of this utility model provides a silicone product mold for a speaker cover, such as... Figures 1-4 As shown, it includes an upper mold core 101, a lower mold core 102 disposed below the upper mold core 101, a molding insert 201 disposed on the lower mold core 102, and an ejection structure 103 for ejecting the molding insert 201. The molding insert 201 has a first fixing structure 202 for fixing the plastic part 301, and the plastic part 301 has a second fixing structure 203 for fixing the annular flexible circuit board 302.

[0025] The first fixing structure 202 on the molding insert 201 facilitates the placement and fixing of the plastic part 301, while the second fixing structure 203 on the plastic part 301 facilitates the placement and fixing of the annular flexible circuit board 302. The molding insert 201, the plastic part 301, and the annular flexible circuit board 302 have a good fit. The plastic part 301 provides the necessary support strength for the speaker cover silicone product. The first fixing structure 202 and the second fixing structure 203 can be fixing structures such as limit blocks, clips, or screws, providing a stable mounting base for the plastic part 301 and the annular flexible circuit board 302, ensuring accurate positioning and firm fixing of the plastic part 301 and the annular flexible circuit board 302 in the product, and improving molding quality. Due to the soft nature of silicone products, traditional ejection structures 103 cannot be used for ejection and demolding. Ejection structure 103 is used to eject the molding insert 201 from the lower mold core 102, facilitating demolding of the silicone product from the molding insert 201.

[0026] Furthermore, such as Figures 1-2As shown, the first fixing structure 202 includes a first fixing groove 204 arranged on the forming insert 201, which matches the bottom of the joint structure 303 of the plastic part 301.

[0027] The shape of the first fixing groove 204 matches the bottom of the joint structure 303 of the plastic part 301, which can fix the joint structure 303 of the plastic part 301, so that the joint structure 303 will not be displaced or loose during the forming process, thereby improving the stability and precision of the forming.

[0028] Further, the first fixing groove 204 is provided with a first forming groove 205 outside.

[0029] The first forming groove 205 is arranged outside the first fixing groove 204, which facilitates wrapping the joint structure 303 in silica gel to form a protective layer, thereby protecting the joint structure 303 from the external environment and improving the service life of the product.

[0030] Further, as shown, Figures 1-2 the first fixing groove 204 is provided with a plurality of first fixing blocks 206, and the bottom of the joint structure 303 of the plastic part 301 has a plurality of second fixing grooves 207 matched with the first fixing blocks 206, and the first fixing blocks 206 are inserted into the second fixing grooves 207.

[0031] The plurality of first fixing blocks 206 in the first fixing groove 204 match the plurality of second fixing grooves 207 at the bottom of the joint structure 303 of the plastic part 301, and through this multi-point fixing mode, the error and looseness caused by single first fixing groove 204 can be effectively reduced, further ensuring that the joint structure 303 will not be displaced or loose during the forming process, thereby improving the stability and precision of the forming.

[0032] In some embodiments, as shown, Figure 2 the first fixing structure 202 includes a C-shaped first annular protruding part 208 arranged on the forming insert 201, which is used to fix the annular structure 307 of the plastic part 301.

[0033] The C-shaped first annular protruding part 208 adopts annular fixing to fix the annular part of the plastic part 301, and leaves a gap to pass through and position the joint structure 303 of the plastic part 301, ensuring that the plastic part 301 will not be displaced or rotated during the forming process.

[0034] In some embodiments, as shown, Figures 3-4As shown, the second fixing structure 203 comprises a C-shaped second annular protruding part 304 arranged on the plastic part 301 and a circular third annular protruding part 305 arranged on the lower side of the second annular protruding part 304, and the second annular protruding part 304 and the third annular protruding part 305 are used to cooperatively fix the annular structure 307 of the annular flexible circuit board 302.

[0035] The C-shaped second annular protruding part 304 is annularly fixed to fix the annular structure 307 of the annular flexible circuit board 302 and leaves a gap through the joint structure 303 of the annular flexible circuit board 302; the second annular protruding part 304 and the third annular protruding part 305 jointly form a space for limiting the annular flexible circuit board 302, which can fix the annular flexible circuit board 302 from multiple directions and ensure that the annular flexible circuit board 302 will not be displaced or rotated during the molding process, thereby improving the molding precision and stability.

[0036] Further, as shown in the figure, Figure 3 The second fixing structure 203 comprises a plurality of second fixing blocks 306 arranged on the joint structure 303 of the plastic part 301, and the second fixing blocks 306 are used to fix the joint structure 303 of the annular flexible circuit board 302.

[0037] In this embodiment, the second fixing blocks 306 are arranged on both sides of the joint structure 303 of the annular flexible circuit board 302, which facilitates the limiting of the joint structure 303 of the annular flexible circuit board 302, and meanwhile, the second fixing blocks 306 are integrally molded with the silica gel by cooperating with the upper die core 101, thereby enhancing the connection strength between the plastic part 301 and the silica gel product and preventing the silica gel from being easily detached.

[0038] Further, as shown in the figure, Figures 3-4 The joint structure 303 of the plastic part 301 is provided with a plurality of first connecting holes 308, and the joint structure 303 of the annular flexible circuit board 302 is provided with a plurality of second connecting holes 309 corresponding to the first connecting holes 308.

[0039] The wire structure and other structures connected to the outside can be connected to the annular flexible circuit board 302 through the second connecting holes 309 and fixed by being inserted into the first connecting holes 308.

[0040] Further, as shown in the figure, Figure 1 The upper side of the molding insert 201 is provided with a third fixing block 209 extending towards the lower die core 102.

[0041] The third fixing block 209 extends towards the lower die core 102 and is integrally molded with the silica gel by cooperating with the lower die core 102, thereby enhancing the connection strength between the plastic part 301 and the silica gel product and preventing the silica gel from being easily detached.

[0042] Further, as shown in the figure, Figure 1As shown, the forming insert 201 includes an ejection seat 105 at the bottom thereof connected with the ejection structure 103.

[0043] The ejection seat 105 facilitates the ejection structure 103 to eject the forming insert 201, while taking into account the forming effect, and ensures smooth and accurate movement during the ejection process, thereby improving the reliability of product demolding.

[0044] The terms and words used in the above description and claims are not limited to the literal meaning, but are merely used by the applicant to enable a clear and consistent understanding of the present application. Accordingly, it should be understood by those skilled in the art that the above description of various embodiments of the present application is provided only to explain the present application, and is not intended to limit the present application as defined by the appended claims and their equivalents.

Claims

1. A horn cover silicone product mold characterized by, The utility model relates to a plastic injection mould, which comprises an upper die core (101), a lower die core (102) arranged below the upper die core (101), a forming insert (201) arranged on the lower die core (102), and an ejection structure (103) for ejecting the forming insert (201), wherein the forming insert (201) is provided with a first fixing structure (202) for fixing a plastic part (301), and the plastic part (301) is provided with a second fixing structure (203) for fixing a ring-shaped flexible circuit board (302). The first fixing structure (202) comprises a first fixing groove (204) arranged on the forming insert (201), which is matched with the bottom of a joint structure (303) of the plastic part (301).

2. A mold for a horn cover silicone product according to claim 1, wherein: The outer side of the first fixing groove (204) is provided with a first forming groove (205).

3. A mold for a horn cover silicone product according to claim 2, wherein: The first fixing groove (204) is provided with a plurality of first fixing blocks (206), and the bottom of the joint structure (303) of the plastic part (301) is provided with a plurality of second fixing grooves (207) matched with the first fixing blocks (206), and the first fixing blocks (206) are inserted into the second fixing grooves (207).

4. A mold for a horn cover silicone product according to claim 2, wherein: The first fixing structure (202) comprises a C-shaped first ring-shaped protruding part (208) arranged on the forming insert (201), which is used for fixing a ring-shaped structure (307) of the plastic part (301).

5. A mold for a horn cover silicone product according to any one of claims 1-4, characterized in that: The second fixing structure (203) comprises a C-shaped second ring-shaped protruding part (304) arranged on the plastic part (301) and a circular third ring-shaped protruding part (305) arranged on the lower side of the second ring-shaped protruding part (304), and the second ring-shaped protruding part (304) and the third ring-shaped protruding part (305) are used for fixing the ring-shaped structure (307) of the ring-shaped flexible circuit board (302) in cooperation.

6. A horn cover silicone product mold according to claim 1, wherein: The second fixing structure (203) comprises a plurality of second fixing blocks (306) arranged on the joint structure (303) of the plastic part (301), which are used for fixing the joint structure (303) of the ring-shaped flexible circuit board (302).

7. A mold for a horn cover silicone product according to any one of claims 1 or 6, characterized in that: The joint structure (303) of the plastic part (301) is provided with a plurality of first connecting holes (308), and the joint structure (303) of the ring-shaped flexible circuit board (302) is provided with a plurality of second connecting holes (309) corresponding to the first connecting holes (308).

8. A horn cover silicone product mold according to claim 1, wherein: The upper side of the forming insert (201) is provided with a ring-shaped third fixing block (209) extending towards the lower die core (102).

9. A horn cover silicone product mold according to claim 1, wherein: The forming insert (201) comprises an ejection seat (105) connected with the ejection structure (103) at the bottom of the forming insert (201).

10. A mold for a horn cover silicone product according to claim 1, wherein: ​

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