Double-layer coating clamp for Bluetooth earphone shell

By using a clamping and heating design within the four-way fixed tube, the problem of traditional clamps obscuring the coating area is solved, enabling uniform coating and efficient production of Bluetooth headset shells.

CN223946054UActive Publication Date: 2026-02-27SHENZHEN ZHONGWEI PRECISION TECH CO LTD
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Patent Information

Application Number
CN202520290213.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-02-27
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Traditional Bluetooth headset housing clamps obstruct parts of the areas requiring coating during clamping, resulting in incomplete and inefficient coating. This necessitates changing the clamping position for a second coating, leading to uneven coating.

Method used

The fixture design employs an electric actuator, clamping seat, chuck, and micro stepper motor driven by a four-way fixed tube. It clamps the inside of the outer shell and dries it with heated air to achieve double-layer coating, avoiding obstruction of the coating area and improving coating uniformity and efficiency.

Benefits of technology

This improved the uniformity and efficiency of coating on Bluetooth headset shells, reduced coating intervals, and increased production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of Bluetooth earphone production, and particularly discloses a Bluetooth earphone shell double-layer film coating clamp which comprises a four-way fixing pipe, an electric push rod used for lifting is fixedly installed in the four-way fixing pipe, a clamping seat used for supporting is fixedly installed on a telescopic shaft of the electric push rod, and the clamping seat is provided with a clamping groove. Clamping heads used for clamping are symmetrically and slidably installed on the clamping base, a positive and negative tooth threaded rod used for driving is rotatably installed on the clamping base, a micro stepping motor used for driving is fixedly installed at the side end of the clamping base, and the micro stepping motor drives the positive and negative tooth threaded rod to rotate through a bevel gear set; the micro stepping motor can drive the positive and negative tooth threaded rod to rotate anticlockwise, the positive and negative tooth threaded rod can promote the two chucks to slide towards the side, the sliding chucks can abut against the two sides of the interior of the shell to complete clamping, the exterior of the shell is immersed into coating liquid, and it can be avoided that part of the area needing coating is shielded; and the effect of more uniform film coating is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bluetooth headset production technical field, especially relate to bluetooth headset shell double -layer plating film clamp. BACKGROUND

[0002] In the production and manufacture of bluetooth headset, film technology as a common surface treatment method can provide good protection, decoration and functional effect for bluetooth headset shell, and it is crucial to select a suitable clamp to fix and position the shell, in practical application, the bluetooth headset shell double -layer plating film clamp usually needs the following technologies:

[0003] 1, clamping mechanism, such as elastic jaw, vacuum adsorption device etc., can firmly hold bluetooth headset shell, prevent displacement in the process of plating film,

[0004] 2, positioning system, such as positioning pin, positioning groove etc., ensure that the position of the shell in the clamp is accurate, to realize the accurate coverage of double -layer plating film,

[0005] 3, compatibility design, like adjustable clamping parts, adapt to different shapes and sizes of bluetooth headset shell, improve the versatility of the clamp.

[0006] The traditional clamp usually directly clamps the outside of the shell when clamping the bluetooth headset shell.

[0007] But in the implementation process of the above technical scheme, it is found that at least the following technical problems exist: when clamping the outside of the headset, the clamp will block part of the area that needs to be plated, causing incomplete plating, so the clamping position needs to be changed when plating for the second time, so that the area that was not plated the first time can be plated, not only the plating efficiency is low, but also the plating is uneven. UTILITY MODEL CONTENTS

[0008] In view of the deficiencies of the prior art, the utility model provides a bluetooth headset shell double -layer plating film clamp, which solves the technical problems that when clamping the outside of the headset, the clamp will block part of the area that needs to be plated, causing incomplete plating, so the clamping position needs to be changed when plating for the second time, so that the area that was not plated the first time can be plated, not only the plating efficiency is low, but also the plating is uneven.

[0009] To achieve the above purpose, the utility model realizes the following technical scheme:

[0010] The utility model provides a double -layer plating fixture of bluetooth headset shell, including four -way fixed pipe, the inside fixed mounting of four -way fixed pipe is used for the electric push -rod of lifting, the telescopic axle of electric push -rod fixed mounting is used for the clamping seat of support, the clamping seat symmetry on the sliding installation is used for the chuck of clamping, the clamping seat rotates and installs the positive and negative screw rod for driving, the side end fixed mounting of clamping seat is used for the micro -step motor of driving, and micro -step motor drives positive and negative screw rod rotation through bevel gear set, two chucks are respectively with the both ends screw connection of positive and negative screw rod.

[0011] Preferably: two downwardly inclined air inlet channels are symmetrically formed in the four-way fixed pipe.

[0012] Preferably: an electric heating pipe for heating is fixedly installed in the air inlet channel of the four-way fixed pipe.

[0013] Preferably: a disc motor for driving is fixedly installed in the air inlet channel of the four-way fixed pipe.

[0014] Preferably: a fan blade for air supply is fixedly installed on the rotating shaft of the disc motor.

[0015] Preferably: a dustproof screen for dust prevention is fixedly installed in the air inlet channel of the four-way fixed pipe.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] I. When in use, the shell is placed with the outer part downward, the inner part of the shell is sleeved on the two chucks, then the micro -step motor is started, the micro -step motor will drive the positive and negative screw rod to rotate counterclockwise, the positive and negative screw rod will promote the two chucks to slide to the side, the sliding chuck will abut against the two sides of the inner part of the shell to complete clamping, then the electric push -rod will push the shell downward, the outer part of the shell is immersed in the plating solution, which can avoid shielding part of the area that needs to be plated, and the effect of making plating more uniform is achieved.

[0018] II. After the shell is plated for the first time, the electric push -rod will pull the shell upward, the shell is slid to the inside of the four -way fixed pipe, the heated air enters the inside of the four -way fixed pipe and blows towards the shell, and at the same time, the plating solution on the shell is dried, when the first layer of plating is dried, the electric push -rod will immerse the shell in the plating solution again for the second time of plating, then the above drying operation is repeated, so that the plating solution can be dried quickly, the interval time between two times of plating is reduced, and the effect of improving plating efficiency is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following preferred embodiments of the utility model and the drawings are described in detail as follows.

[0020] Figure 1 It is the four-way fixed pipe structure diagram of the utility model;

[0021] Figure 2 It is the four-way fixed pipe section structure diagram of the utility model;

[0022] Figure 3 It is the drying mechanism explosion structure diagram of the utility model;

[0023] Figure 4 It is the clamping seat structure diagram of the utility model.

[0024] Legend: 1, four-way fixed pipe; 2, electric push rod; 3, clamping seat; 4, chuck; 5, positive and negative thread rod; 6, micro stepping motor; 7, bevel gear set; 8, electric heating pipe; 9, disc motor; 11, fan blade; 12, dust screen. DETAILED DESCRIPTION

[0025] The application embodiment provides a double-layer plating fixture for a Bluetooth headset shell, effectively solves the problem that the fixture blocks part of the area needing plating when clamping the shell, causes incomplete plating, and thus the clamping position needs to be changed when plating the second time, so that the area not plated the first time can be plated, which not only lowers the plating efficiency, but also causes uneven plating, in use, the shell is clamped by sliding the two chucks to the two sides of the shell interior, the electric push rod pushes the shell downward to immerse the shell exterior in the plating solution, avoids blocking part of the area needing plating, achieves more uniform plating, after the first plating, the electric push rod pulls the shell upward to slide the shell to the interior of the four-way fixed pipe, heated air enters the four-way fixed pipe and blows to the shell, and at the same time, the plating solution on the shell is dried, after the first layer of plating is dried, the electric push rod reimmerses the shell in the plating solution for the second time, then repeats the above drying operation, so that the plating solution can be quickly dried, reduces the interval time between the two platings, and achieves the effect of improving the plating efficiency.

[0026] EMBODIMENT

[0027] As Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the technical solution in this application embodiment effectively solves the problem that when clamping the outside of the earphone, the clamp will block part of the area that needs to be coated, resulting in incomplete coating. Therefore, when coating a second time, it is necessary to change the clamping position so that the area that was not coated in the first time can be coated. This not only results in low coating efficiency but also leads to uneven coating. The overall idea is as follows:

[0028] To address the problems existing in the prior art, this utility model provides a double-layer coated clamp for Bluetooth headset shells, including a four-way fixed tube 1. An electric push rod 2 for lifting is fixedly installed inside the four-way fixed tube 1. A clamping seat 3 for support is fixedly installed on the telescopic shaft of the electric push rod 2. Clamping heads 4 for clamping are symmetrically slidably installed on the clamping seat 3.

[0029] A drive rod 5 with positive and negative thread is rotatably mounted on the clamping seat 3. A micro stepper motor 6 for driving is fixedly mounted on the side end of the clamping seat 3. The micro stepper motor 6 drives the drive rod 5 to rotate through a bevel gear set 7. Two chucks 4 are threaded to the two ends of the drive rod 5 respectively. Two downward-sloping air inlet channels are symmetrically opened on the four-way fixed pipe 1.

[0030] An electric heating element 8 for heating is fixedly installed in the air inlet channel of the four-way fixed pipe 1. A disc motor 9 for driving is fixedly installed in the air inlet channel of the four-way fixed pipe 1. A fan blade 11 for air supply is fixedly installed on the rotating shaft of the disc motor 9. A dustproof net 12 for dust prevention is fixedly installed in the air inlet channel of the four-way fixed pipe 1.

[0031] Four-way fixed pipe 1: provides support for electric push rod 2 and also serves as the working area for drying operations;

[0032] Electric actuator 2: used for lifting and lowering, realizing the action of immersing the outer shell into the coating solution and pulling it back into the four-way fixed tube 1;

[0033] Clamping base 3: Used for support, providing a mounting base for the clamping component chuck 4 and the drive component positive and negative threaded rod 5;

[0034] Chuck 4: Used for clamping, it abuts against both sides of the inside of the housing under the drive of the rotation of the forward and reverse threaded rod 5, fixing the position of the housing and ensuring the stability of the housing during the coating process;

[0035] The positive and negative threaded rod 5 has threads with opposite rotation directions at both ends, which are used to drive the chuck 4 to slide. Under the action of the micro stepper motor 6, the chuck 4 is slid to achieve the clamping action.

[0036] Miniature stepper motor 6: Drives the positive and negative threaded rod 5 to rotate through the bevel gear set 7, thereby driving the chuck 4 to complete the clamping operation;

[0037] Bevel gear set 7: composed of two bevel gears meshing with each other, used to realize the driving of the micro stepping motor 6 to the positive and negative threaded rod 5;

[0038] Electric heating tube 8: used for heating, heating the air entering the inside of the four-way fixed tube 1, so as to dry the plating solution;

[0039] Disc motor 9: used to drive the fan blade 11 to rotate, and to pump the external air into the inside of the four-way fixed tube 1;

[0040] Fan blade 11: rotates through the driving of the disc motor 9, and pumps the external air into the inside of the four-way fixed tube 1;

[0041] Dust screen 12: used for dust prevention, preventing dust from entering the air inlet channel of the four-way fixed tube 1, and avoiding the pollution of the plating solution on the shell by dust.

[0042] Working principle:

[0043] Firstly, the electric push rod 2, the micro stepping motor 6, the electric heating tube 8 and the disc motor 9 are connected with the control system, in use, the shell is externally downward, the inside of the shell is sleeved on the two clamps 4, then the micro stepping motor 6 is started, the micro stepping motor 6 will drive the positive and negative threaded rod 5 to rotate counterclockwise, the positive and negative threaded rod 5 will promote the two clamps 4 to slide to the side, the sliding clamp 4 will abut against the two sides of the inside of the shell to complete clamping, then the electric push rod 2 will push the shell downward, and the outside of the shell is immersed into the plating solution.

[0044] Secondly, after the shell is plated for the first time, the electric push rod 2 will pull the shell upward, and the shell is slid to the inside of the four-way fixed tube 1, then the electric heating tube 8 and the disc motor 9 are started, the disc motor 9 will drive the fan blade 11 to rotate, the fan blade 11 will pump the external air into the inside of the four-way fixed tube 1, in this process, the air entering the inside of the four-way fixed tube 1 will be heated by the electric heating tube 8, the heated air will blow to the shell after entering the inside of the four-way fixed tube 1, and at the same time, the plating solution on the shell is dried, when the first layer of plating is dried, the electric push rod 2 will immerse the shell into the plating solution again, and the second plating is carried out, then the above drying operation is repeated.

[0045] Finally, it should be pointed out that: obviously, the above examples are only examples for clearly illustrating the utility model, and are not limited to the implementation. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A double-layer plating fixture for a Bluetooth headset shell, comprising a four-way fixed tube (1), characterized in that, The inner part of the four-way fixed pipe (1) is fixedly installed with an electric push rod (2) for lifting, the telescopic shaft of the electric push rod (2) is fixedly installed with a clamping seat (3) for supporting, the clamping seat (3) is symmetrically slidably installed with a chuck (4) for clamping, the clamping seat (3) is rotatably installed with a positive and negative thread rod (5) for driving, the side end of the clamping seat (3) is fixedly installed with a micro stepping motor (6) for driving, and the micro stepping motor (6) drives the positive and negative thread rod (5) to rotate through a bevel gear set (7). Wherein, two chucks (4) are respectively threadedly connected with two ends of the positive and negative thread rod (5).

2. The double layer plating fixture for Bluetooth headset housing as claimed in claim 1, wherein, The four-way fixed pipe (1) is symmetrically provided with two downwardly inclined air inlet channels.

3. The dual layer plating fixture for a Bluetooth headset housing of claim 1, wherein, The air inlet channel of the four-way fixed pipe (1) is fixedly installed with an electric heating pipe (8) for heating.

4. The dual layer plating fixture for a Bluetooth headset housing of claim 1, wherein, The air inlet channel of the four-way fixed pipe (1) is fixedly installed with a disc motor (9) for driving.

5. The dual layer plating fixture for a Bluetooth headset housing of claim 4, wherein, The rotating shaft of the disc motor (9) is fixedly installed with a fan blade (11) for air supply.

6. The dual layer plating fixture for a Bluetooth headset housing of claim 1, wherein, The air inlet channel of the four-way fixed pipe (1) is fixedly installed with a dustproof net (12) for dust prevention.