Earphone shell injection molding jig

Abstract

The utility model relates to the technical field of earphone shell jigs, and discloses an earphone shell injection molding jig which comprises a fixing plate, a limiting plate is installed at the top of the fixing plate, a sliding rod is fixedly assembled in an inner cavity of the fixing plate, a lower pressing plate is movably connected to the outer wall of the sliding rod in a sleeved mode, and a base is installed at the bottom of the fixing plate. A limiting rod is fixedly assembled in an inner cavity of the base, the outer wall of the limiting rod is movably sleeved with a compression spring, a fixing rod is fixedly assembled on the outer wall of the lower pressing plate, and a mold head is fixedly assembled on the outer wall of the fixing rod. According to the earphone shell injection molding jig, the protective shell is arranged at the bottom of the base, the protective shell is integrally installed on the bottom of the base, and therefore a mold head at the bottom of the base is protected, and clamping plates and moving plates are arranged on the two sides of the outer wall of the protective shell; and under the action of a clamping plate and a moving plate, the mounting and dismounting of the protective shell are better realized.

Description

Technical Field

[0001] The utility model relates to the technical field of earphone shell jigs, in particular to an earphone shell injection molding jig. Background Art

[0002] Headphones are a pair of conversion units that receive electrical signals from a media player or receiver and convert them into audible sound waves using speakers close to the ears. Headphones consist of internal devices and an outer shell, and the headphone shell needs to be injection molded during the preparation process.

[0003] When the traditional earphone shell injection molding equipment jig is in use, the outer wall of the earphone shell needs to be prepared with corresponding gear holes so that the earphone shell can be better installed and used. After the traditional jig is used, there is a lack of protection for the mold head at the bottom of the jig. Once the mold head is damaged, the mold head cannot be used normally, and the mold cannot prepare the gear holes normally. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an earphone shell injection molding jig, which has the advantages of good protection effect and easy installation, and solves the problems raised by the above-mentioned background technology.

[0005] The utility model provides the following technical scheme: an earphone shell injection molding jig comprises a fixing plate, a limiting plate is installed on the top of the fixing plate, a sliding rod is fixedly installed in the inner cavity of the fixing plate, a lower pressure plate is movably sleeved on the outer wall of the sliding rod, a base is installed at the bottom of the fixing plate, a limiting rod is fixedly installed in the inner cavity of the base, a compression spring is movably sleeved on the outer wall of the limiting rod, a fixing rod is fixedly installed on the outer wall of the lower pressure plate, a mold head is fixedly installed on the outer wall of the fixing rod, a protective shell is installed at the bottom of the base, a clamping plate is fixedly installed on the outer wall of the protective shell, a moving cylinder is movably sleeved on the outer wall of the protective shell, a tension spring is movably sleeved on the outer wall of the moving cylinder, a moving plate is fixedly installed on the outer wall of the moving cylinder, a fixing cylinder is fixedly installed on the bottom of the protective shell, a cleaning cylinder is movably sleeved on the inner cavity of the fixing cylinder, cleaning cotton is fixedly installed on the inner cavity of the protective shell, a vertical rod is fixedly installed on the outer wall of the vertical rod, and a reset spring is movably sleeved on the outer wall of the vertical rod.

[0006] As an optimal technical solution of the utility model: the two ends of the outer wall of the compression spring are respectively in contact with the top of the base and the bottom of the lower pressure plate, and the two ends of the outer wall of the limit rod are respectively fixedly installed on the inner cavity of the fixing plate and the top of the base.

[0007] As a preferred technical solution of the utility model: the two ends of the tension spring are respectively connected to the outer wall of the protective shell and the outer wall of the moving cylinder, and the tension spring is made of high carbon steel.

[0008] As a preferred technical solution of the utility model: a rubber buffer pad is installed on the outer wall of the clamping plate facing the base, and the protective shell, the movable plate and the clamping plate are all made of ABS plastic.

[0009] As a preferred technical solution of the utility model: the outer wall of the cleaning cylinder is movably sleeved on the outer wall of the vertical pole, and a limiting ring is installed on the top of the vertical pole.

[0010] As a preferred technical solution of the utility model: the cleaning cotton is made of memory sponge, and the length of the cleaning cotton is greater than the length of the mold head.

[0011] As a preferred technical solution of the utility model: the shape of the outer wall of the protective shell matches the arrangement shape of the mold head at the bottom of the base, and the protective shell is made of ABS plastic.

[0012] As a preferred technical solution of the utility model: there are three fixing cylinders, and the three fixing cylinders are respectively installed at the bottom of the protective shell.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The earphone shell injection molding jig realizes protection of the mold head at the bottom of the base by providing a protective shell at the bottom of the base and installing the protective shell as a whole to the bottom of the base. In addition, the protective shell can be installed and disassembled better by providing a clamping plate and a movable plate on both sides of the outer wall of the protective shell.

[0015] 2. The earphone shell injection molding jig has a fixed cylinder and a cleaning cylinder arranged at the bottom of the protective shell. When the protective shell is used to protect the mold head at the bottom of the base, the cleaning cylinder can be pushed to move upward along the inner wall of the fixed cylinder, thereby cleaning the mold head and keeping the outer wall of the mold head in a clean state, thereby better protecting the mold head. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the fixing plate of the utility model;

[0018] Figure 3 This is a schematic diagram of the protective shell structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the protective shell of the utility model;

[0020] Figure 5For this utility model Figure 4 Enlarged structural diagram at A in the middle.

[0021] In the figure: 1. fixed plate; 2. limit plate; 3. lower pressure plate; 4. sliding rod; 5. limit rod; 6. compression spring; 7. base; 8. fixed rod; 9. mold head; 10. protective shell; 11. clamping plate; 12. moving cylinder; 13. moving plate; 14. tension spring; 15. fixed cylinder; 16. cleaning cylinder; 17. cleaning cotton; 18. vertical rod; 19. reset spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 - Figure 5 A headphone shell injection molding jig includes a fixing plate 1, a limiting plate 2 is installed on the top of the fixing plate 1, a sliding rod 4 is fixedly installed in the inner cavity of the fixing plate 1, a lower pressing plate 3 is movably sleeved on the outer wall of the sliding rod 4, a base 7 is installed at the bottom of the fixing plate 1, a limiting rod 5 is fixedly installed in the inner cavity of the base 7, a compression spring 6 is movably sleeved on the outer wall of the limiting rod 5, a fixing rod 8 is fixedly installed on the outer wall of the lower pressing plate 3, a mold head 9 is fixedly installed on the outer wall of the fixing rod 8, a protective shell 10 is installed at the bottom of the base 7, and the protective shell The outer wall of 10 is fixedly equipped with a clamping plate 11, the outer wall of the protective shell 10 is movably sleeved with a moving cylinder 12, the outer wall of the protective shell 10 is movably sleeved with a tension spring 14, the outer wall of the moving cylinder 12 is fixedly equipped with a moving plate 13, the bottom of the protective shell 10 is fixedly equipped with a fixed cylinder 15, the inner cavity of the fixed cylinder 15 is movably sleeved with a cleaning cylinder 16, the inner cavity of the cleaning cylinder 16 is fixedly equipped with cleaning cotton 17, the inner cavity of the protective shell 10 is fixedly equipped with a vertical rod 18, and the outer wall of the vertical rod 18 is movably sleeved with a return spring 19.

[0024] By installing a protective shell 10 at the bottom of the base 7, the mold head 9 and the fixed rod 8 are protected by the protective shell 10, so that the mold head 9 can be kept in good condition when not in use, thereby preventing the mold head 9 from being damaged by the external environment.

[0025] In a preferred embodiment: the two ends of the outer wall of the compression spring 6 are respectively in contact with the top of the base 7 and the bottom of the lower pressure plate 3, and the two ends of the outer wall of the limiting rod 5 are respectively fixedly installed on the inner cavity of the fixing plate 1 and the top of the base 7.

[0026] By installing the limiting rod 5 on the top of the base 7, the lower pressure plate 3 can move downward along the outer wall of the limiting rod 5 under the action of the limiting rod 5, and the lower pressure plate 3 can be reset under the action of the compression spring 6 arranged on the outer wall of the limiting rod 5, so that the lower pressure plate 3 can smoothly return to its original position after being pressed down.

[0027] In a preferred embodiment, two ends of the tension spring 14 are respectively connected to the outer wall of the protective shell 10 and the outer wall of the moving cylinder 12 , and the tension spring 14 is made of high carbon steel.

[0028] By setting the tension spring 14 on the outer wall of the protective shell 10, the movable cylinder 12 can be reset under the action of the tension spring 14. When the protective shell 10 is installed to the bottom of the base 7, the outer walls of the movable plate 13 and the clamping plate 11 will be respectively connected to the outer walls of the base 7. At this time, the tension spring 14 is in a stretched state, thereby pulling the movable plate 13 so that the outer wall of the movable plate 13 is tightly attached to the outer wall of the base 7.

[0029] In a preferred embodiment: a rubber buffer pad is installed on the outer wall of the clamping plate 11 facing the base 7, and the protective shell 10, the moving plate 13 and the clamping plate 11 are all made of ABS plastic.

[0030] By installing a rubber buffer pad on the outer wall of the clamping plate 11, when the movable plate 13 and the clamping plate 11 are fitted onto the outer wall of the base 7 under the action of the tension spring 14, the friction between the movable plate 13 and the outer wall of the base 7 can be increased under the action of the buffer pad, so that the protective shell 10 can be better installed on the bottom of the base 7, thereby achieving better protection for the mold head 9.

[0031] In a preferred embodiment, the outer wall of the cleaning cylinder 16 is movably sleeved on the outer wall of the vertical rod 18 , and a limiting ring is installed on the top of the vertical rod 18 .

[0032] By installing a return spring 19 on the outer wall of the vertical rod 18 and a limiting ring on the top of the vertical rod 18, the return spring 19 can only move on the outer wall of the vertical rod 18 under the action of the limiting ring, so that when the cleaning cylinder 16 is pushed to move, the return spring 19 is compressed under the action of the limiting ring on the outer wall of the cleaning cylinder 16 and the top of the vertical rod 18.

[0033] In a preferred embodiment, the cleaning cotton 17 is made of memory foam, and the length of the cleaning cotton 17 is greater than the length of the mold head 9 .

[0034] By setting the cleaning cotton 17 in the inner cavity of the cleaning cylinder 16, when the cleaning cylinder 16 is pushed to move upward along the inner wall of the fixed cylinder 15, the cleaning cotton 17 in the inner cavity of the cleaning cylinder 16 will contact the mold head 9, thereby cleaning the outer wall of the mold head 9, so that the outer wall of the mold head 9 remains in a clean state, thereby better performing the mold opening operation.

[0035] In a preferred embodiment, the outer wall shape of the protective shell 10 matches the arrangement shape of the mold heads 9 at the bottom of the base 7, and the protective shell 10 is made of ABS plastic.

[0036] By setting the outer wall shape of the protective shell 10 to be the same as the arrangement shape of the die heads 9, the protective shell 10 can protect all the die heads 9 while further reducing the area of ​​the protective shell 10, thereby better reducing the weight.

[0037] In a preferred embodiment, there are three fixing cylinders 15 , and the three fixing cylinders 15 are respectively installed at the bottom of the protective shell 10 .

[0038] Three fixed cylinders 15 are arranged at the bottom of the protective shell 10. Under the action of the three fixed cylinders 15, each mold head 9 is cleaned respectively. Cleaning cylinders 16 are installed in the inner cavities of the three fixed cylinders 15. By pushing the cleaning cylinders 16, each mold head 9 can be cleaned well.

[0039] Working principle: During the use of the above-mentioned device, when the device is needed to open a gear hole in the earphone shell, the earphone shell that needs to be opened is first placed on the bottom of the base 7, and then the lower pressing plate 3 is pressed to make the lower pressing plate 3 move downward along the outer wall of the limit rod 5, and then the mold head 9 can be made to enter the outer wall of the earphone shell under the action of the fixing rod 8 to realize the function of opening the gear on the earphone shell. When the device is used, the protective shell 10 is installed on the bottom of the base 7, and the movable plate 13 is pulled to make the movable plate 13 move toward the outer wall away from one end of the protective shell 10, and then the outer wall of the protective shell 10 can be fitted to the bottom of the base 7, and then loosened. Open the movable plate 13. At this time, the movable plate 13 and the clamping plate 11 can be fitted on the outer wall of the base 7, so as to realize the installation of the protective shell 10, and the protection of the mold head 9 can be realized under the action of the protective shell 10. When the protective shell 10 is installed to the bottom of the base 7, the cleaning cylinder 16 is then pushed to make the cleaning cylinder 16 move upward along the inner wall of the fixed cylinder 15. During the movement of the cleaning cylinder 16, the cleaning cotton 17 on the inner wall of the cleaning cylinder 16 can wipe the outer wall of the mold head 9, and when the cleaning cylinder 16 moves upward, the outer wall of the cleaning cylinder 16 compresses the reset spring 19, and then the cleaning cylinder 16 can be reset under the action of the reset spring 19.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An earphone housing injection molding jig, comprising a fixing plate (1), characterized in that: A limit plate (2) is installed on the top of the fixed plate (1), a sliding rod (4) is fixedly installed in the inner cavity of the fixed plate (1), and a lower pressure plate (3) is movably sleeved on the outer wall of the sliding rod (4), a base (7) is installed at the bottom of the fixed plate (1), a limit rod (5) is fixedly installed in the inner cavity of the base (7), and a compression spring (6) is movably sleeved on the outer wall of the limit rod (5), a fixed rod (8) is fixedly installed on the outer wall of the lower pressure plate (3), and a mold head (9) is fixedly installed on the outer wall of the fixed rod (8), and a protective shell (10) is installed at the bottom of the base (7), and the outer wall of the protective shell (10) A clamping plate (11) is fixedly installed, the outer wall of the protective shell (10) is movably sleeved with a moving cylinder (12), the outer wall of the protective shell (10) is movably sleeved with a tension spring (14), the outer wall of the moving cylinder (12) is fixedly installed with a moving plate (13), the bottom of the protective shell (10) is fixedly installed with a fixed cylinder (15), the inner cavity of the fixed cylinder (15) is movably sleeved with a cleaning cylinder (16), the inner cavity of the cleaning cylinder (16) is fixedly installed with cleaning cotton (17), the inner cavity of the protective shell (10) is fixedly installed with a vertical rod (18), and the outer wall of the vertical rod (18) is movably sleeved with a return spring (19).

2. The earphone housing injection molding jig according to claim 1, characterized in that: The two ends of the outer wall of the compression spring (6) are respectively in contact with the top of the base (7) and the bottom of the lower pressure plate (3), and the two ends of the outer wall of the limit rod (5) are respectively fixedly mounted on the inner cavity of the fixed plate (1) and the top of the base (7).

3. The earphone housing injection molding jig according to claim 1, characterized in that: The two ends of the tension spring (14) are respectively connected to the outer wall of the protective shell (10) and the outer wall of the moving cylinder (12), and the tension spring (14) is made of high carbon steel.

4. The earphone housing injection molding jig according to claim 1, characterized in that: A rubber buffer pad is installed on the outer wall of the clamping plate (11) facing the base (7), and the protective shell (10), the movable plate (13) and the clamping plate (11) are all made of ABS plastic.

5. The earphone housing injection molding jig according to claim 1, characterized in that: The outer wall of the cleaning cylinder (16) is movably sleeved on the outer wall of the vertical rod (18), and a limiting ring is installed on the top of the vertical rod (18).

6. The earphone housing injection molding jig according to claim 1, characterized in that: The cleaning cotton (17) is made of memory foam, and the length of the cleaning cotton (17) is greater than the length of the mold head (9).

7. The earphone housing injection molding jig according to claim 1, characterized in that: The shape of the outer wall of the protective shell (10) matches the arrangement shape of the mold head (9) at the bottom of the base (7), and the protective shell (10) is made of ABS plastic.

8. The earphone housing injection molding jig according to claim 1, characterized in that: There are three fixing cylinders (15), and the three fixing cylinders (15) are respectively installed at the bottom of the protective shell (10).

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