CN216782477U - Bluetooth headset storehouse base shell injection structure that charges - Google Patents
Bluetooth headset storehouse base shell injection structure that charges Download PDFInfo
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- CN216782477U CN216782477U CN202122662583.2U CN202122662583U CN216782477U CN 216782477 U CN216782477 U CN 216782477U CN 202122662583 U CN202122662583 U CN 202122662583U CN 216782477 U CN216782477 U CN 216782477U
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- point glue
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Abstract
The utility model relates to an injection molding structure of a base shell of a Bluetooth headset charging bin, which comprises a main runner and a product cavity, wherein the product cavity is a symmetrical body constructed around a datum line L, the top of one end of the product cavity is provided with an injection molding hole, and the center of the injection molding hole is positioned on the datum line L; the lower reaches of the main runner are provided with point glue inlet runners which are directly communicated with the injection molding hole, and the residual water gap forming part after injection molding is positioned in the injection molding hole. The point glue inlet flow channel extends along the reference line L, the point glue inlet flow channel is gradually narrowed from the main flow channel to the product cavity, and the diameter of the narrowed tail end is smaller than the diameter of the injection molding hole. The utility model adopts a point glue feeding form, reduces inclined subsurface flow passages, has smooth glue feeding, is positioned on the injection molding hole, has a center on the reference line L, has simple glue feeding structure, balanced glue feeding pressure and uniform thickness of the injection molding product, improves the product quality and has high yield; the plastic residue is few, and the raw and other materials are saved, and the residual mouth of a river shaping part of moulding plastics is located the hole of moulding plastics, and the demolding is simple and convenient.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection molding structure of a base shell of a charging bin of a Bluetooth headset.
Background
As shown in fig. 1, the existing bluetooth headset charging bin base shell is molded with a common glue-diving form, and the injection molding structure has the following defects: 1. the glue feeding is not balanced, the uneven thickness and even the glue shortage are easy to occur, and the product reject ratio is high; 2. the inclined submarine gate is filled with plastic, so that the plastic at the submarine gate is more remained, raw materials are wasted, the difficulty of mold feeding is increased, and the development and use cost of the mold is increased.
Disclosure of Invention
The utility model aims to provide an injection molding structure for a base shell of a charging bin of a Bluetooth headset, which well solves the technical problem.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the injection molding structure of the shell of the base of the Bluetooth headset charging bin comprises a main runner and a product cavity, wherein the product cavity is a symmetrical body constructed around a datum line L, an injection molding hole is formed in the top of one end of the product cavity, and the center of the injection molding hole is positioned on the datum line L; the lower reaches of the main runner are provided with point glue inlet runners which are directly communicated with the injection molding hole, and the residual water gap forming part after injection molding is positioned in the injection molding hole.
The technical scheme is that the point glue inlet flow channel extends along the reference line L, the point glue inlet flow channel is gradually narrowed from the main flow channel to the product cavity, and the diameter of the narrowed tail end is smaller than the diameter of the injection molding hole.
The scheme is further that the convex top surface of the water gap forming part is not higher than the port surface of the injection molding hole.
Compared with the prior art, the injection molding structure of the base shell of the charging bin of the Bluetooth headset provided by the utility model adopts a point glue inlet mode, reduces inclined subsurface flow channels, has smooth glue inlet, is positioned on the injection molding hole, and has the center positioned on the datum line L, thereby obtaining the following beneficial effects: 1. the glue feeding structure is simple, the glue feeding pressure is balanced, the thickness of an injection molding product is uniform, the product quality is improved, and the yield is high; 2. the plastic residue is few, raw materials are saved, the injection molding residual water gap forming part is positioned in the injection molding hole, the mold stripping is simple and convenient, the mold development is easy, the investment cost is low, and the method accords with the industrial popularization and utilization.
Description of the drawings:
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic structural diagram of a preferred embodiment of the present invention;
fig. 3 is a schematic production diagram of the embodiment of fig. 2.
The specific implementation mode is as follows:
the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 2 and 3, which are schematic views of a preferred embodiment of the present invention, the present invention relates to an injection molding structure for a base housing of a charging chamber of a bluetooth headset, which includes a main runner 1 and a product cavity 2 that are configured together on a mold, wherein the product cavity 2 is a symmetrical body that is constructed around a reference line L, and an injection molding hole 21 is formed at the top of one end of the product cavity 2, and the center of the injection molding hole 21 is located on the reference line L. The product cavity 2 in this embodiment is U-shaped with the injection molding holes 21 provided in the bottom of the U. The downstream of the main runner 1 is provided with a point glue inlet runner 11, the point glue inlet runner 11 is directly communicated with an injection molding hole 21, and the injection molding residual water gap forming part 3 is positioned in the injection molding hole 21. The utility model realizes a point glue feeding form, reduces inclined subsurface flow channels, has smooth glue feeding, and the glue feeding point is positioned on the injection molding hole, and the center of the injection molding hole is positioned on the reference line L, thereby simplifying the glue feeding structure, ensuring the uniform thickness of the injection molding product, high quality of the injection molding product, less reject ratio and less plastic residue, saving raw materials, and the residual water gap forming part is positioned in the injection molding hole, and the mold stripping is simple and convenient.
As shown in fig. 2 and 3, in the present embodiment, the point glue inlet flow channel 11 extends along the reference line L, and the point glue inlet flow channel 11 gradually narrows from the main flow channel 1 to the product cavity 2, and the diameter of the narrowed tail end is smaller than the diameter of the injection molding hole 21, so that glue is linearly introduced, the flowability of the injected glue is good, the glue inlet resistance is reduced, the thickness of the injection molded product is ensured to be uniform, and the point glue inlet flow channel 11 gradually narrows, so that the glue inlet extrusion force can be increased, the filling and the fullness of the glue are ensured, and the injection molding quality is improved. The diameter of the narrowed tail end of the glue dispensing flow channel 11 is smaller than the diameter of the injection molding hole 21, so that glue dispensing and demolding separation are facilitated, and the water gap forming part 3 is prevented from affecting the appearance of an injection molding product. Further, the convex top surface of the water gap forming part 3 is not higher than the port surface of the injection molding hole 21, so that mold development and mold stripping are facilitated.
As shown in fig. 2 and 3, in this embodiment, two point glue feeding runners 11 are symmetrically arranged at the downstream of the main runner 1, and each point glue feeding runner 11 corresponds to one product cavity 2, so that multiple products are formed simultaneously, glue feeding balance is ensured, and production efficiency and quality are improved.
The injection molding structure of the base shell of the charging bin of the Bluetooth headset provided by the utility model adopts a point glue inlet mode, reduces an inclined subsurface flow channel, has smooth glue inlet, is positioned on an injection molding hole, and has the center positioned on a datum line L, thereby obtaining the following beneficial effects: 1. the glue feeding structure is simple, the glue feeding pressure is balanced, the thickness of an injection molding product is uniform, the product quality is improved, and the yield is high; 2. the plastic residue is few, raw materials are saved, the injection molding residual water gap forming part is positioned in the injection molding hole, the mold stripping is simple and convenient, the mold development is easy, the investment cost is low, and the method accords with the industrial popularization and utilization.
The present invention has been described in detail with reference to the embodiments, but the technical concept and the features of the present invention are not limited thereto, and it is intended that the present invention is implemented by those skilled in the art, and therefore, all equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (3)
1. Bluetooth headset charging bin base shell injection structure, its characterized in that: the injection molding device comprises a main runner (1) and a product cavity (2), wherein the product cavity (2) is a symmetrical body constructed around a datum line L, an injection molding hole (21) is formed in the top of one end of the product cavity (2), and the center of the injection molding hole (21) is located on the datum line L; the downstream of the main runner (1) is provided with a point glue inlet runner (11), the point glue inlet runner (11) is directly communicated with an injection molding hole (21), and the residual injection molding part (3) is positioned in the injection molding hole (21).
2. The bluetooth headset charging bin base shell injection molding structure of claim 1, characterized in that: the point glue inlet flow channel (11) extends along the reference line L, the point glue inlet flow channel (11) is gradually narrowed from the main flow channel (1) to the product cavity (2), and the diameter of the narrowed tail end is smaller than the aperture of the injection molding hole (21).
3. The bluetooth headset charging bin base shell injection molding structure of claim 1, characterized in that: the convex top surface of the water gap forming part (3) is not higher than the port surface of the injection molding hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122662583.2U CN216782477U (en) | 2021-11-03 | 2021-11-03 | Bluetooth headset storehouse base shell injection structure that charges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122662583.2U CN216782477U (en) | 2021-11-03 | 2021-11-03 | Bluetooth headset storehouse base shell injection structure that charges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216782477U true CN216782477U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122662583.2U Active CN216782477U (en) | 2021-11-03 | 2021-11-03 | Bluetooth headset storehouse base shell injection structure that charges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216782477U (en) |
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2021
- 2021-11-03 CN CN202122662583.2U patent/CN216782477U/en active Active
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