Earphone shell forming die

Abstract

The utility model discloses an earphone shell forming mould which comprises a supporting mechanism and a mould closing mechanism arranged on the supporting mechanism, a plurality of groups of glue feeding mechanisms are arranged on the mould closing mechanism, the mould closing mechanism comprises a lower mould seat and an upper mould seat matched with the lower mould seat, a plurality of lower fixing seats are fixed on the lower mould seat, and a plurality of glue feeding mechanisms are arranged on the upper mould seat. A plurality of upper sliding tables are fixed to the upper mold base, the glue feeding mechanism comprises a platform, a positioning pile fixed to the platform and a driving device fixed to the positioning pile, the platform is fixed to the upper mold base, one output end of the driving device penetrates through the upper mold base and abuts against an earphone shell, a lifting column is arranged on one side of the driving device, and the lifting column is connected with the platform. The lifting column abuts against the upper end face of the driving device. According to the earphone shell forming mold, the backflow groove in the C-shaped design is formed in the glue injection channel, so that redundant glue cannot be deposited at the glue injection position of an earphone shell, water gaps are avoided, the efficiency and the product quality are improved, and the labor cost is saved.

Description

Technical Field

[0001] This utility model relates to a molding die, specifically a molding die for an earphone shell. Background Technology

[0002] The headphone shell is the outer structure that encloses the internal electronic components and battery of the headphones. It is usually made of various materials to protect the internal components and provide a good user experience. The main functions of the headphone shell include protecting electronic components, providing a comfortable wearing experience, and ensuring the overall structure and stability of the headphones.

[0003] Currently, the molds used for molding headphone shells require glue injection during operation. During glue injection, there will inevitably be excess glue, which will create sprue marks on the headphone shell. Workers will then need to use diagonal pliers to trim these sprue marks, adding an extra processing step and increasing manpower. Furthermore, relying on manual trimming of sprue marks cannot guarantee the consistency of the trimming position, making it difficult to ensure product quality. Utility Model Content

[0004] The purpose of this utility model is to provide a headphone shell molding mold. By setting a C-shaped return groove in the glue injection channel, excess glue will not accumulate at the glue injection position of the headphone shell, thus avoiding the formation of sprue marks and the need for manual trimming of sprue marks, reducing reliance on manual labor, thereby improving efficiency and product quality, and saving labor costs.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a headphone shell molding die, comprising a support mechanism and a mold closing mechanism disposed on the support mechanism, wherein multiple sets of glue injection mechanisms are disposed on the mold closing mechanism, the mold closing mechanism comprising a lower mold base and an upper mold base cooperating with the lower mold base, multiple lower fixed seats fixed on the lower mold base, and multiple upper slides fixed on the upper mold base, the multiple upper slides respectively cooperating with the multiple lower fixed seats, the glue injection mechanism comprising a platform, a positioning post fixed on the platform, and a driving device fixed on the positioning post, the platform being fixed on the upper mold base, one output end of the driving device passing through the upper mold base and abutting against the headphone shell. Furthermore, a lifting column is provided on one side of the drive device, which abuts against the upper surface of the drive device. When the drive device is running, its telescopic end gradually extends out of the drive device and drives the drive device body to rise, thereby driving the lifting column to rise. A glue injection block is fixedly connected to the bottom of the lifting column. The glue injection block includes a first side plate and a second side plate fixed to the first side plate. The bottom of both the first and second side plates abut against the earphone shell, and both the first and second side plates are fixedly connected to the other output end of the drive device. A glue injection channel is provided between the first and second side plates, and a receiving chamber and a return groove are provided at the bottom of the glue injection channel.

[0006] Preferably, the support mechanism includes a base and an upper support platform fixed on the base, with the lower mold base fixed on the upper support platform.

[0007] Preferably, multiple lower fixed seats are distributed on the outer circle of the lower mold base, and multiple upper sliding tables are distributed on the outer circle of the upper mold base.

[0008] Preferably, an inclined surface is provided at one end of the lower fixed base near the lower mold base, and an adapter block is fixed on the inclined surface of the lower fixed base. An inclined surface is provided at one end of the upper slide away from the upper mold base, and a slide groove is provided on the inclined surface of the upper slide. The adapter block is adapted to the slide groove for insertion.

[0009] Preferably, the platform is provided with two positioning posts, which are respectively connected to both ends of the drive device.

[0010] Preferably, a sinking trough is also provided in the receiving chamber, and the sinking trough extends vertically into the lower mold base.

[0011] Preferably, the return channel is C-shaped, and an inlet is provided on the side of the return channel away from the receiving chamber, which is located at the glue injection point on the earphone shell.

[0012] Preferably, the glue injection mechanism further includes multiple sets of positioning seats, each set of positioning seats has multiple seats, and the multiple positioning seats are all located on the outside of the earphone shell.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model, through the design change of the mold inlet, sets an injection channel between the first side plate and the second side plate, and sets a receiving chamber below the injection channel. A C-shaped return groove is set on one side of the receiving chamber, so that excess glue will not accumulate at the injection position of the earphone shell, thus avoiding the formation of sprue marks, avoiding the operation of manually trimming sprue marks, reducing reliance on manual labor, thereby improving efficiency and product quality, and saving labor costs. Attached Figure Description

[0014] Figure 1 This is one of the schematic diagrams of an embodiment of the present utility model.

[0015] Figure 2 This is a second schematic diagram of an embodiment of the present utility model.

[0016] Figure 3 This is a schematic diagram of the structure of the glue inlet block and positioning seat of this utility model.

[0017] Figure 4 This is a schematic diagram of the structure of the lower mold base and the injection block of this utility model.

[0018] Figure 5 This utility model Figure 4 Enlarged view of the structure at point A in the middle.

[0019] Figure 6 This utility model Figure 4 Enlarged view of the structure at point B in the middle.

[0020] The reference numerals and names in the figure are as follows: 1. Support mechanism; 11. Base; 12. Upper support platform; 2. Mold closing mechanism; 21. Lower mold base; 22. Upper mold base; 23. Lower fixed base; 231. Adaptor block; 24. Upper slide; 241. Slide groove; 3. Glue injection mechanism; 31. Platform; 32. Positioning pile; 33. Drive device; 34. Lifting column; 35. Glue injection block; 351. First side plate; 352. Second side plate; 353. Glue injection channel; 354. Reception chamber; 355. Sinking groove; 356. Return groove; 357. Glue inlet; 36. Positioning seat. Detailed Implementation

[0021] 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.

[0022] In the description of the embodiments of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "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 the embodiments of this utility model and simplifying the description. They 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" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this utility model, "multiple" means two or more, unless otherwise explicitly specified.

[0023] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0024] Please see Figure 1 One embodiment of this utility model is a headphone shell molding mold, which includes a support mechanism 1 and a mold closing mechanism 2 disposed on the support mechanism 1, and multiple sets of glue injection mechanisms 3 are disposed on the mold closing mechanism 2.

[0025] Please see Figure 2 The support mechanism 1 includes a base 11 and an upper support platform 12 fixed on the base 11. The mold closing mechanism 2 includes a lower mold base 21 and an upper mold base 22 that cooperates with the lower mold base 21. The lower mold base 21 is fixed on the upper support platform 12, so that both the mold closing mechanism 2 and the injection mechanism 3 can remain stable. In actual use, the upper mold base 22 needs an external mechanism to drive its lifting and lowering to complete the mold closing and opening. Multiple lower fixed seats 23 are fixed on the lower mold base 21 and are distributed on the outer circle of the lower mold base 21. Multiple upper sliding tables 24 are fixed on the upper mold base 22 and are distributed on the outer circle of the upper mold base 22. An inclined surface is provided at the end of the upper sliding table 24 away from the upper mold base 22, and a sliding groove 241 is provided on the inclined surface of the upper sliding table 24. The injection mechanism 3 includes a platform 31. Two positioning posts 32 are fixed on the platform 31, and a drive device 33 is fixed on the positioning posts 32. The two positioning posts 32 are respectively connected to both ends of the drive device 33, so that the two positioning posts 32 can stably support the drive device 33. The drive device 33 can be a cylinder or other type of driver. The platform 31 is fixed on the upper mold base 22. One of the output ends of the drive device 33 passes through the upper mold base 22 and abuts against the earphone shell. A lifting column 34 is provided on one side of the drive device 33. The lifting column 34 abuts against the upper end surface of the drive device 33, so that when the drive device 33 is running, its telescopic end gradually extends out of the drive device 33 and drives the body of the drive device 33 to rise, thereby driving the lifting column 34 to rise. A glue inlet block 35 is fixedly connected to the bottom of the lifting column 34.

[0026] Please see Figure 3 The glue injection mechanism 3 also includes multiple sets of positioning seats 36. Each set of positioning seats 36 has multiple seats, and the multiple positioning seats 36 are all located on the outside of the earphone shell to limit the earphone shell.

[0027] Please see Figure 4 An inclined surface is provided at one end of the lower fixed base 23 near the lower mold base 21. An adapter block 231 is fixed on the inclined surface of the lower fixed base 23. The adapter block 231 is adapted to and inserted into the slide groove 241.

[0028] Please see Figure 5 The glue injection block 35 includes a first side plate 351 and a second side plate 352 fixed on the first side plate 351. The bottoms of the first side plate 351 and the second side plate 352 are both in contact with the earphone shell, and the first side plate 351 and the second side plate 352 are both fixedly connected to another output end of the driving device 33. A glue injection channel 353 is provided between the first side plate 351 and the second side plate 352.

[0029] Please see Figure 6 At the bottom of the glue injection channel 353, there is a receiving chamber 354 and a return groove 356. A sinking groove 355 is also provided in the receiving chamber 354. The sinking groove 355 extends vertically into the lower mold base 21 to accommodate excess glue. The return groove 356 is C-shaped, and a glue inlet 357 is provided on the side of the return groove 356 away from the receiving chamber 354. The glue inlet 357 is located at the glue injection point on the earphone shell.

[0030] Please refer to the following: Figures 1 to 6 In the operation of this utility model, glue is injected into the glue injection channel 353. The glue falls downward and is contained in the receiving chamber 354, and then enters the sinking tank 355 to accumulate. When the glue gradually fills the sinking tank 355, it will enter the return tank 356 and finally enter the glue inlet 357 to realize the glue injection of the earphone shell. Due to the characteristics of the return tank 356, excess glue will not accumulate on the earphone shell to form a sprue, thereby avoiding the formation of sprues.

[0031] 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 illustrative 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. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A headphone shell molding die, comprising a support mechanism (1) and a mold closing mechanism (2) disposed on the support mechanism (1), wherein the mold closing mechanism (2) is provided with multiple sets of glue injection mechanisms (3), characterized in that: The mold closing mechanism (2) includes a lower mold base (21) and an upper mold base (22) that cooperates with the lower mold base (21). Multiple lower fixed seats (23) are fixed on the lower mold base (21), and multiple upper slides (24) are fixed on the upper mold base (22). The multiple upper slides (24) cooperate with the multiple lower fixed seats (23) respectively. The glue injection mechanism (3) includes a platform (31), a positioning pin (32) fixed on the platform (31), and a drive device (33) fixed on the positioning pin (32). The platform (31) is fixed on the upper mold base (22). One of the output ends of the drive device (33) passes through the upper mold base (22) and abuts against the earphone shell. A lifting column is provided on one side of the drive device (33). (34) The lifting column (34) abuts against the upper end face of the driving device (33), and the bottom of the lifting column (34) is fixedly connected to the glue injection block (35). The glue injection block (35) includes a first side plate (351) and a second side plate (352) fixed on the first side plate (351). The bottoms of the first side plate (351) and the second side plate (352) abut against the earphone shell, and the first side plate (351) and the second side plate (352) are fixedly connected to the other output end of the driving device (33). A glue injection channel (353) is provided between the first side plate (351) and the second side plate (352). The bottom of the glue injection channel (353) is provided with a receiving chamber (354) and a return groove (356).

2. The headphone shell molding die according to claim 1, characterized in that: The support mechanism (1) includes a base (11) and an upper support platform (12) fixed on the base (11), and the lower mold base (21) is fixed on the upper support platform (12).

3. The headphone shell molding die according to claim 1, characterized in that: Multiple lower fixed seats (23) are distributed on the outer circle of the lower mold base (21), and multiple upper sliding tables (24) are distributed on the outer circle of the upper mold base (22).

4. The headphone shell molding die according to claim 1, characterized in that: The lower fixed seat (23) has an inclined surface at one end near the lower mold base (21), and an adapter block (231) is fixed on the inclined surface of the lower fixed seat (23). The upper slide (24) has an inclined surface at one end away from the upper mold base (22), and a slide groove (241) is provided on the inclined surface of the upper slide (24). The adapter block (231) is adapted to be inserted into the slide groove (241).

5. The headphone shell molding die according to claim 1, characterized in that: Two positioning stakes (32) are provided on the platform (31), and the two positioning stakes (32) are respectively connected to the two ends of the drive device (33).

6. The headphone shell molding die according to claim 1, characterized in that: The receiving chamber (354) is also provided with a sinking trough (355), which extends vertically into the lower mold base (21).

7. The headphone shell molding die according to claim 1, characterized in that: The return channel (356) is C-shaped, and an inlet (357) is provided on the side of the return channel (356) away from the receiving chamber (354).

8. The headphone shell molding die according to claim 1, characterized in that: The glue-feeding mechanism (3) also includes multiple sets of positioning seats (36), each set of positioning seats (36) is provided with multiple, and the multiple positioning seats (36) are all located on the outside of the earphone shell.

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