TWI830211B - Coating shielding fixture for earphone boxes and method thereof and earphone box coating equipment - Google Patents

Abstract

A coating shielding fixture for earphone boxes, a method thereof, and earphone box coating equipment. The coating shielding fixture is used to shield an earphone box, wherein the earphone box includes a non-coated part, a part to be coated and an opening. The coating shielding fixture includes a shielding cover and a shielding sleeve, wherein the shielding cover is adapted to be covered outside the non-coated part of the earphone box; wherein the shielding sleeve is suitable to be mounted on the opening of the earphone box, And the shielding sleeve can be sealingly connected to the shielding case, wherein when the shielding cover is connected to the shielding sleeve, the coating shielding fixture is used to sealingly shield the non-coating part of the earphone box, and to expose the earphone box openly. The part to be coated. The earphone box coating equipment includes a coating equipment body with a coating chamber and one or more coating shielding fixtures.

Description

Coating shielding fixture for earphone boxes and method thereof and earphone box coating equipment

The present invention relates to the technical field of wireless earphones, and in particular to a coating shielding fixture for earphone boxes, a method thereof, and earphone box coating equipment.

This invention claims the priority of the Chinese patent application submitted to the China Patent Office on April 27, 2021, with the application number 202110459951.5 and the invention name "Coating shielding fixture for earphone boxes and method thereof", the entire content of which is incorporated by reference. incorporated in the present invention.

This invention claims the priority of the Chinese patent application submitted to the China Patent Office on April 27, 2021, with the application number 202120892997.1 and the invention name "Headphone Box Coating Equipment", the entire content of which is incorporated into the present invention by reference.

With the development of electronic technology, electronic devices such as mobile phones or headphones have emerged to meet the needs of users and improve the quality of life of users. As a conversion unit, earphones were originally used for phones and radios. However, with the popularity of portable electronic devices, earphones are often used in mobile phones, Walkmans, radios or audio players. Although from the perspective of the development history of the entire headset industry, wireless headsets (such as Bluetooth headsets or infrared headsets, etc.) are still considered a new thing and their development time is not long. However, currently wireless headsets are still on the rise, and users are interested in them. Demands and expectations are constantly rising, especially when it comes to the battery life of wireless headphones.

As we all know, considering the ergonomic design behind the ear, most wireless earphones (such as True Wireless Stereo (TWS) earphones) need to be small to meet the needs of in-ear or semi-in-ear, which makes the existing wireless earphones The battery capacity of the headset itself is difficult to increase, which results in a short battery life of the wireless headset and brings a bad experience to the user. In order to alleviate or solve the above pain points, before the breakthrough of battery technology, the only feasible solution seems to be Make a fuss about charging, such as configuring a charging cabin for the headphone box, so that when the user removes the wireless headset and puts it into the headphone box, the headphone box will charge the wireless headset, thus keeping the wireless headset for a long time to some extent. battery life to make up for the poor battery life of existing wireless headsets and improve the user experience.

However, the earphone box serves as an inseparable companion of the wireless earphones, and users usually need to carry the earphone box with them to store or charge the removed wireless earphones at any time. In order for the earphone box to charge the wireless earphones, various electronic components must be provided in the charging compartment of the earphone box to electrically contact the wireless earphones for charging the wireless earphones. However, these electronic components are susceptible to damage. Water stains, sweat stains, oil stains and other contaminations make it difficult for the working performance and service life of existing earphone boxes to meet the needs of today's market.

An advantage of the present invention is to provide a coating shielding fixture for an earphone box, a method thereof, and an earphone box coating equipment, which can ensure coating protection of electronic components inside the earphone box.

Another advantage of the present invention is to provide a coating shielding fixture for an earphone box, a method thereof, and an earphone box coating equipment, which can also ensure that the shell of the earphone box will not have discoloration problems due to coating.

Another advantage of the present invention is to provide a coating shielding fixture for an earphone box, a method thereof, and an earphone box coating equipment. In one embodiment of the invention, the coating shielding fixture can shield the earphone box. The non-coated part is exposed, so that only the part to be coated of the earphone box can be accurately coated and protected without affecting the original characteristics of the non-coated part of the earphone box.

Another advantage of the present invention is to provide a coating shielding fixture for an earphone box, a method thereof, and an earphone box coating equipment. In one embodiment of the invention, the coating shielding fixture can be used without scratching the In the case of an earphone box, the non-coated part of the earphone box must be tightly shielded to avoid film seepage in the non-coated part of the earphone box, which helps to ensure the original appearance of the earphone box.

Another advantage of the present invention is to provide a coating shielding fixture for an earphone box, a method thereof, and an earphone box coating equipment. In one embodiment of the invention, the profiling structure of the coating shielding fixture can be used to Ensure the best shielding and protection effect to prevent problems such as film seepage during coating.

Another advantage of the present invention is to provide a coating shielding fixture for an earphone box, a method thereof, and an earphone box coating equipment. In one embodiment of the invention, the coating shielding fixture enables the coating device to be placed only where Coating the part to be coated of the earphone box can not only effectively prevent the penetration of water, sweat, oil, etc. without occupying the structural space of the electronic product, but also prevent the occurrence of the phenomenon in the non-coated part of the earphone box. permeable membrane.

Another advantage of the present invention is to provide a coating shielding fixture for an earphone box, a method thereof, and an earphone box coating equipment. In one embodiment of the invention, the coating shielding fixture enables the coating equipment to The earphone box is accurately coated to improve the protection accuracy of the earphone box while also ensuring that the earphone box has a good appearance.

Another advantage of the present invention is to provide a coating shielding fixture for an earphone box, a method thereof, and an earphone box coating equipment. In one embodiment of the invention, the coating shielding fixture can conveniently shield the earphones. The non-coated part of the box can be coated to protect a large number of earphone boxes, which can help meet the industrial mass production needs and reduce protection costs.

Another advantage of the present invention is to provide a coating shielding fixture for an earphone box, a method thereof, and an earphone box coating equipment. In order to achieve the above object, the present invention does not need to use expensive materials or complex structures. Therefore, the present invention successfully and effectively provides a solution, which not only provides a simple coating shielding fixture, method thereof, and earphone box coating equipment, but also increases the practicality of the coating shielding fixture, method thereof, and earphone box coating equipment. performance and reliability.

In order to achieve at least one of the above advantages or other advantages and objects, the present invention provides a coating shielding fixture for an earphone box, wherein the earphone box includes a non-coated part, a part to be coated and an opening, wherein the coating shielding The fixture includes: a shielding cover, wherein the shielding cover is adapted to be disposed outside the non-coated portion of the earphone box; and A shielding sleeve, wherein the shielding sleeve is adapted to be sleeved on the opening of the earphone box, and the shielding sleeve can be sealingly engaged with the shielding cover, wherein when the shielding cover is engaged with the shielding sleeve , the coating shielding jig is used to hermetically shield the non-coating part of the earphone box, and openly expose the part to be coated of the earphone box.

According to an embodiment of the present invention, the shielding sleeve includes a hard shell and a soft liner, wherein the hard shell has at least one plated through hole and an annular sleeve arranged around the at least one plated through hole. groove; wherein the soft lining layer is disposed within the annular groove of the hard shell, wherein when the shielding sleeve passes through the annular groove of the hard shell, it is set on the earphone box When opening the opening, the soft lining sealingly fills the gap between the hard shell and the headphone box, and the at least one plated through hole of the hard shell is used to communicate with the to-be-used part of the headphone box. Coating part, so as to expose the part to be coated of the earphone box through the at least one coating through hole of the hard shell.

According to an embodiment of the present invention, the material hardness of the hard shell is greater than the material hardness of the soft lining layer.

According to an embodiment of the present invention, the hard shell is made of hard plastic, and the soft lining is made of soft rubber material.

According to an embodiment of the present invention, the coating through hole of the hard shell is chamfered to form a bell mouth structure.

According to an embodiment of the present invention, the soft lining layer has a contoured structure for matching the opening of the earphone box.

According to an embodiment of the present invention, the hard shell includes an annular top wall, an annular inner wall extending downward from an inner peripheral edge of the annular top wall, and an annular inner wall extending downward from an outer peripheral edge of the annular top wall. An annular outer wall, wherein the inner surface of the annular inner wall is defined as the coating through hole of the hard shell, and the annular inner wall and the annular outer wall are spaced apart from each other to pass through the outer surface of the annular inner wall. The surface and the inner surface of the annular outer wall together define the annular sleeve of the hard shell.

According to an embodiment of the present invention, the shielding cover includes an airbag and is disposed on An elastic ring at the mouth of the air bag, wherein the air bag of the shielding cover is suitable for wrapping the outer shell of the earphone box, and the elastic ring of the shielding cover is constrainedly sleeved on the shielding sleeve of the hard shell.

According to an embodiment of the present invention, the hard shell of the shielding sleeve further includes one or more anti-removal pieces, wherein the anti-removal pieces are provided on the annular outer wall for blocking the elastic ring from The annular outer wall slips off.

According to an embodiment of the present invention, the natural length of the elastic ring of the shielding cover is smaller than the outer circumference of the annular outer wall of the hard shell, and the anti-removal piece is implemented as being removed from the hard shell. The outer surface of the annular outer wall has a protrusion extending outward.

According to an embodiment of the present invention, the protrusion extends annularly along the periphery of the annular outer wall to form a ring surrounding the annular groove of the hard shell.

According to an embodiment of the present invention, a plurality of the anti-removal pieces are spacedly arranged on the outer surface of the annular outer wall to form an annular groove between two adjacent anti-removal pieces, so that The elastic ring of the shielding cover is buckled in the annular groove.

According to an embodiment of the present invention, the hard shell of the shielding sleeve further includes one or more reserved grooves, wherein the reserved grooves are provided on the annular outer wall of the hard shell. The outer surface is used to allow the folded flexible circuit board in the earphone box to pass through the ring buckle.

According to an embodiment of the present invention, the protrusions of the hard shell extend intermittently along the periphery of the annular outer wall to form the reserved groove on the buckle of the hard shell.

According to another aspect of the present invention, the present invention further provides a method for manufacturing a masking sleeve of a coating masking fixture, wherein the method includes the step of: molding hard plastic to form a hard shell, wherein the hard shell has At least one plated through hole and an annular sleeve extending around the at least one plated through hole; and molding a soft rubber material in the annular sleeve of the hard shell through a profiling mold to form a profiling structure A soft lining layer is formed to form the shielding sleeve suitable for being placed on the opening of the earphone box.

According to another aspect of the present invention, the present invention further provides a method for manufacturing a masking sleeve of a coating masking fixture, wherein the method includes the steps: Through a profiling mold, the soft plastic material is molded to form a soft lining layer with a profiling structure; and hard plastic is molded on the outer surface of the soft lining layer to form a hard shell, wherein the hard shell has at least one The coated through hole and an annular sleeve extending around the at least one coated through hole, and the soft lining layer is located in the annular sleeve of the hard shell, thereby forming the opening of the earphone box. Masking cover.

According to another aspect of the present invention, the present invention further provides a method for manufacturing a masking sleeve of a coating masking fixture, wherein the method includes the step of: molding hard plastic to form a hard shell, wherein the hard shell has At least one plated through hole and an annular sleeve extending around the at least one plated through hole; shaping the soft rubber material through a profiling mold to form a soft liner with a profiling structure; and assembling the soft liner accordingly Layer in the annular groove of the hard shell to form the shielding sleeve suitable for being placed on the opening of the earphone box.

According to an embodiment of the present invention, in the step of correspondingly assembling the soft lining in the annular groove of the hard shell to form the shielding sleeve suitable for being placed on the opening of the earphone box Center: The soft lining is fixed in the annular groove of the hard shell through concave and convex matching, profiling matching or glue bonding.

According to another aspect of the present invention, the present invention further provides a method for shielding an earphone box, wherein the method includes the steps of: placing a shield of a coating shielding fixture on an opening of the earphone box; A shielding cover of the coating shielding fixture is attached to a non-coated portion of the earphone box; and the shielding sleeve is sealably coupled to the shielding cover to sealingly shield the non-coated portion of the earphone box while leaving it open and exposed. A part of the earphone box to be coated.

According to an embodiment of the present invention, the step of placing a shielding sleeve of a coating shielding fixture on an opening of the earphone box includes the step of: arranging a soft lining of the shielding sleeve on an opening of the shielding sleeve. In an annular sleeve of the hard shell; and fitting the annular sleeve of the hard shell in the opening of the earphone box, so that the soft lining is sealed Fill the gap between the hard shell and the earphone box.

According to an embodiment of the present invention, the method further includes the step of: folding at least one flexible circuit board of a charging compartment of the earphone box into at least one reserved slot of the hard shell, so that the flexible circuit board Multiple connection sites are located within this shield.

According to another aspect of the present invention, the present invention further provides an earphone box coating device for coating an earphone box, wherein the earphone box includes a non-coated part, a part to be coated and an opening, wherein the earphone box The coating equipment includes: a coating equipment main body, wherein the coating equipment main body has a coating chamber; and one or more coating shielding fixtures, wherein the one or more coating shielding fixtures are arranged on the coating equipment main body in the coating chamber, and each of the coating shielding fixtures includes: a shielding cover, wherein the shielding cover is adapted to be covered outside the non-coating part of the earphone box; and a shielding sleeve, wherein the shielding cover The cover is adapted to be placed on the opening of the earphone box, and the shielding cover can be sealingly joined to the shielding cover, wherein when the shielding cover is joined to the shielding cover, the coating shielding fixture is The non-coated portion of the earphone box is hermetically shielded, and the portion to be coated of the earphone box is openly exposed.

According to an embodiment of the present invention, the shielding sleeve includes a hard shell and a soft liner, wherein the hard shell has at least one plated through hole and an annular sleeve arranged around the at least one plated through hole. groove; wherein the soft lining layer is disposed within the annular groove of the hard shell, wherein when the shielding sleeve passes through the annular groove of the hard shell, it is set on the earphone box When opening the opening, the soft lining sealingly fills the gap between the hard shell and the headphone box, and the at least one plated through hole of the hard shell is used to communicate with the to-be-used part of the headphone box. Coating part, so as to expose the part to be coated of the earphone box through the at least one coating through hole of the hard shell.

According to an embodiment of the present invention, the coating through hole of the hard shell is chamfered to form a bell mouth structure.

According to an embodiment of the present invention, the soft lining layer has a contoured structure for matching the opening of the earphone box.

According to an embodiment of the present invention, the hard shell includes an annular top wall, an annular inner wall extending downward from an inner peripheral edge of the annular top wall, and an annular inner wall extending downward from an outer peripheral edge of the annular top wall. An annular outer wall, wherein the inner surface of the annular inner wall is defined as the coating through hole of the hard shell, and the annular inner wall and the annular outer wall are spaced apart from each other to pass through the outer surface of the annular inner wall. The surface and the inner surface of the annular outer wall together define the annular sleeve of the hard shell.

According to an embodiment of the present invention, the shielding cover includes an airbag and an elastic ring disposed at a mouth of the airbag, wherein the airbag of the shielding cover is adapted to wrap the outer shell of the earphone box, and The elastic ring of the shielding cover is constrainedly sleeved on the hard shell of the shielding sleeve.

According to an embodiment of the present invention, the hard shell of the shielding sleeve further includes one or more anti-removal pieces, wherein the anti-removal pieces are provided on the annular outer wall for blocking the elastic ring from The annular outer wall slips off.

According to an embodiment of the present invention, the natural length of the elastic ring of the shielding cover is smaller than the outer circumference of the annular outer wall of the hard shell, and the anti-removal piece is implemented as being removed from the hard shell. The outer surface of the annular outer wall has a protrusion extending outward.

According to an embodiment of the present invention, the protrusion extends annularly along the periphery of the annular outer wall to form a ring surrounding the annular groove of the hard shell.

According to an embodiment of the present invention, the main body of the coating equipment further includes a turret, a supply and exhaust system, and one or more excitation systems, wherein the turret is rotatably disposed on all parts of the main body of the coating equipment. The coating chamber is used to place a plurality of earphone boxes shielded by the coating shielding fixture; wherein the air supply and exhaust system is conductively connected to the coating chamber for exhausting air to the outside. While forming a predetermined vacuum degree in the coating chamber, gas is supplied inward to provide chemical monomer gas to the coating chamber; wherein the excitation system is used to generate an excitation electromagnetic field in the coating chamber to ionize the The chemical monomer gas is used to form plasma, so that the plasma is deposited on the portion to be coated of the earphone box to form a uniform film layer.

According to an embodiment of the present invention, the turret includes one or more planet carriers revolving around a rotation axis, wherein each of the planet carriers includes an axis of rotation and an axis of rotation around the axis of rotation. One or more storage platforms have a rotation axis, and a plurality of the coating shielding fixtures are annularly arranged on the storage platform around the rotation axis of the planetary storage rack.

According to an embodiment of the present invention, the coating through holes of the hard shell in the coating shielding jig are arranged outward along the radial direction of the rotation axis of the planet rack.

According to an embodiment of the present invention, the coating shielding fixture is fixed to the storage platform of the planetary storage rack by bonding or slotting.

Through an understanding of the following descriptions and drawings, further objects and advantages of the present invention will be fully realized.

These and other objects, features and advantages of the present invention are fully realized by the following detailed description, drawings and claims.

1: Coating masking fixture

10: Masking cover

11:Air bag

12: Elastic ring

20: Masking cover

21:hard shell

2101: Coated through hole

2102: Ring sleeve

211: Ring top wall

212: Annular inner wall

213: Annular outer wall

214: Anti-removal parts

2140:bulge

2141: Ring buckle

2142: Groove

215: Reserved slot

22: Soft lining

40:Headphone box

401: Non-coated part

402: Part to be coated

403:Opening part

41:Charging cabin

410: Electronic components

411:Flexible circuit board

4110:Connection site

42: Shell

421: Accommodation space

422:Open your mouth

50: Main body of coating equipment

51: Coating chamber

52: Turn frame

521: Planetary shelf

53:Exhaust system

54: Excitation system

S110, S120, S210, S220, S310, S320, S330, S410, S420, S430: Steps

FIG. 1 is a schematic three-dimensional view of a coating shielding fixture according to an embodiment of the present invention.

FIG. 2 shows an exploded schematic diagram of the coating shielding fixture according to the above embodiment of the present invention.

3A and 3B show an exploded schematic view of the shielding sleeve of the coating shielding fixture according to the above embodiment of the present invention.

4A and 4B respectively show a schematic cross-sectional view of the coating shielding fixture according to the above embodiment of the present invention.

FIG. 5 shows a first schematic flowchart of the manufacturing method of the shielding sleeve according to the above-mentioned embodiment of the present invention.

FIG. 6 shows a second schematic flowchart of the manufacturing method of the shielding sleeve according to the above-mentioned embodiment of the present invention.

FIG. 7 shows a third schematic flowchart of the manufacturing method of the shielding sleeve according to the above-mentioned embodiment of the present invention.

Figure 8 is a schematic block diagram of an earphone box coating equipment according to an embodiment of the present invention.

Figure 9 shows an example of the earphone box coating equipment according to the above-mentioned embodiment of the present invention.

Figure 10 shows a schematic layout diagram of the coating shielding fixture in the earphone box coating equipment according to the above embodiment of the present invention.

Figure 11 is a schematic flowchart of a method for shielding an earphone box according to an embodiment of the present invention.

Figure 12 shows an example of using the coating shielding jig to shield the earphone box.

The following description is provided to disclose the invention to enable those skilled in the art to practice the invention. The preferred embodiments in the following description are only examples, and other obvious modifications may occur to those skilled in the art. The basic principles of the invention defined in the following description may be applied to other embodiments, variations, improvements, equivalents and other technical solutions without departing from the spirit and scope of the invention.

Those skilled in the art will understand that in the disclosure of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and The description is simplified and is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore the above terminology should not be construed as limiting the invention.

In the present invention, the term "a" in the claims and description should be understood as "one or more", that is, in one embodiment, the number of an element may be one, and in another embodiment, the number of the element may be Can be multiple. Unless the disclosure of the present invention clearly indicates that the number of the element is only one, the term "a" cannot be understood as being unique or single, and the term "a" cannot be understood as limiting the number.

In the description of the present invention, it should be understood that terms such as "first", "second", etc. are only used for description purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection. ; It can be a mechanical connection or an electrical connection; it can be a direct connection or through a medium indirect link. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "an example," "specific examples," or "some examples" or the like means that specific features are described in connection with the embodiment or example. , structures, materials or features are included in at least one embodiment or example of the invention. In this specification, the schematic expressions of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine different embodiments or examples and features of different embodiments or examples described in this specification unless they are inconsistent with each other.

Referring to Figures 1 to 4B of the specification, a coating shielding fixture according to an embodiment of the present invention is explained, wherein the coating shielding fixture 1 is used to shield an earphone box 40, and the earphone box 40 It includes a non-coated portion 401, a portion to be coated 402 and an opening 403. Specifically, the coating shielding fixture 1 may include a shielding cover 10 and a shielding sleeve 20 , wherein the shielding cover 10 is adapted to be covered outside the non-coating part 401 of the earphone box 40 , wherein the The shielding sleeve 20 is suitable for being placed on the opening 403 of the earphone box 40 , and the shielding sleeve 20 can be sealingly joined to the shielding cover 10 to seal the non-coated portion of the earphone box 40 . The portion 401 and the portion to be coated 402 are isolated from each other.

More specifically, as shown in FIGS. 3A to 4B , the shielding sleeve 20 of the coating shielding fixture 1 may include a hard shell 21 and a soft lining 22 , wherein the hard shell 21 has at least one Coated through holes 2101 and an annular sleeve 2102 extending around the at least one plated through hole 2101; wherein the soft liner 22 is disposed within the annular sleeve 2102 of the hard case 21, wherein When the shielding sleeve 20 is placed in the opening 403 of the earphone box 40 through the annular groove 2102 of the hard shell 21 , the soft lining 22 sealingly fills the hard shell. 21 and the headphone box 40, and the at least one coating through hole 2101 of the hard shell 21 is used to communicate with the to-be-coated portion 402 of the headphone box 40; therefore, when the When the shielding cover 10 is joined to the shielding sleeve 20, the coating shielding fixture 1 is The non-coated portion 401 of the earphone box 40 is hermetically shielded, and the coating shielding jig 1 is used to openly expose the earphone box through the at least one coating through hole 2101 of the hard shell 21 The portion 402 of 40 to be coated.

It is worth noting that the material hardness of the hard shell 21 of the shielding sleeve 20 of the coating shielding fixture 1 of the present invention is greater than the material hardness of the soft lining layer 22, so that when passing through the soft lining layer 22 plays a better sealing and anti-scratch role, and at the same time, the coating shielding fixture 1 can provide better support through the hard shell 21 to facilitate the disassembly and assembly of the shielding sleeve 20 to the headphone box. 40, not only helps to improve the disassembly and assembly efficiency, but also facilitates repeated use of the shielding sleeve 20 to reduce the production cost of the fixture.

In addition, when the earphone box 40 shielded by the coating shielding jig 1 is coated by, for example, nano-coating technology, the portion 402 of the earphone box 40 to be coated is plated because it is open and exposed. membrane to form a protective layer against water, sweat and oil. At the same time, the non-coated part 401 of the earphone box 40 is hermetically shielded and will not be coated, thereby ensuring that the non-coated part 401 of the earphone box 40 will not have problems such as discoloration. , helping to meet the needs of users who pursue ultimate beauty or accessory effects.

Illustratively, as shown in FIG. 2 , taking a semi-finished earphone box of wireless earphones as the earphone box 40 , the earphone box 40 may include a charging cabin 41 configured with electronic components 410 and a charging chamber 41 disposed in the A housing 42 outside the charging compartment 41. That is, the earphone box 40 of the present invention refers to a semi-finished earphone box that has not yet closed the charging chamber and left the electronic components 410 exposed. It can be understood that the electronic components 410 in the charging compartment 41 of the earphone box 40 need to be used as the portion to be coated of the earphone box 40 because they are easily contaminated by water stains, sweat stains, oil stains, etc. 402, in order to be coated with a protective film layer; and the outer surface of the shell 42 of the earphone box 40 needs to maintain the original appearance and is used as the non-coated part 401 of the earphone box 40 to prevent it from being coated with a protective film layer. Problems such as discoloration may occur due to coating.

It is worth noting that although the present invention uses a semi-finished earphone box for wireless earphones (such as TWS Bluetooth earphones) as an example to illustrate the advantages and features of the coating shielding fixture 1, this is only an example and does not constitute the protection scope of the invention. limits. For example, in other examples of the invention, The earphone box 40 can also be implemented as a box for holding other electronic devices.

Particularly, in the application scenario of a semi-finished earphone box for wireless earphones, the shell 42 of the earphone box 40 may have a receiving space 421 and an opening 422, wherein the opening 422 of the shell 42 connects the The accommodating space 421 of the housing 42 is connected with the external space of the housing 42 , and the charging cabin 41 is accommodated in the accommodating space 421 of the housing 42 so as to pass through the opening 422 of the housing 42 . The electronic components 410 of the charging compartment 41 are open and exposed.

It can be understood that the part of the earphone box 40 of the present invention corresponding to the opening 422 of the housing 42 is implemented as the opening 403 of the earphone box 40, for example, as shown in FIG. 2 The top of the housing 42. In this way, when the shielding sleeve 20 of the coating shielding fixture 1 is set on the opening 403 of the earphone box 40 , and the shielding cover 10 is covering the outer shell of the earphone box 40 42 is then joined to the shielding sleeve 20, the outer surface of the outer shell 42 of the earphone box 40 is sealingly shielded by the coating shielding jig 1 to serve as the non-coated portion 401 of the earphone box 40, Moreover, the electronic components 410 in the charging compartment 41 of the earphone box 40 are not shielded by the coating shielding jig 1 and serve as the portion 402 to be coated of the earphone box 40 .

It is worth mentioning that according to the above-mentioned embodiment of the present invention, the hard shell 21 of the shielding sleeve 20 of the coating shielding fixture 1 can be made of, but is not limited to, hard plastic, and the shielding sleeve 20 The soft lining layer 22 may be made of, but is not limited to, soft rubber material. For example. The hard plastic of the present invention can be, but is not limited to, implemented as ABS resin, PC (polycarbonate) or PVC (polyvinyl chloride) and other materials, and the soft plastic material can be implemented as, but is not limited to, TPU (thermoplastic polyurethane elastic). body rubber) or TPR (thermoplastic elastomer) and other materials.

Preferably, the coating through hole 2101 of the hard shell 21 of the shielding sleeve 20 is chamfered to form a bell mouth structure, so as to prevent the shielding sleeve 20 from blocking the charging compartment 41 of the headphone box 40 , helping to promote the circulation of coating materials.

More preferably, as shown in FIGS. 3A and 3B , the hard shell 21 of the shielding sleeve 20 may include an annular top wall 211 and an annular wall extending downward from the inner periphery of the annular top wall 211 . The inner wall 212 and an annular outer wall 213 extending downward from the outer peripheral edge of the annular top wall 211, wherein the inner surface of the annular inner wall 212 is defined as the coating through hole 2101 of the hard shell 21, and The annular inner wall 212 and the annular outer wall 213 are spaced apart from each other, so that the outer surface of the annular inner wall 212 and the inner surface of the annular outer wall 213 jointly define the annular sleeve of the hard shell 21 2102.

According to the above embodiment of the present invention, the shielding cover 10 of the coating shielding fixture 1 is preferably made of elastic material. For example, the elastic material of the shielding cover 10 may be, but is not limited to, implemented as latex, Materials such as rubber, plastic or aluminum foil.

Preferably, as shown in FIGS. 4A and 4B , the shielding cover 10 of the coating shielding fixture 1 may be, but is not limited to, implemented as a balloon. For example, the shielding cover 10 may include an air bag 11 and be disposed on An elastic ring 12 at the mouth of the air bag 11 , wherein the air bag 11 of the shielding cover 10 is suitable for wrapping the shell 42 of the earphone box 40 , and the elastic ring 12 of the shielding cover 10 The hard shell 21 of the shielding cover 20 can be constrainedly connected to the shielding cover 10 to sealingly connect the shielding cover 10 with the airbag 11 of the shielding cover 10 . on the outer surface of the housing 42 of the earphone box 40 . It can be understood that in other examples of the present invention, the shielding cover 10 can also be sealably connected to the shielding sleeve 20 by means such as bundling. It is worth noting that the elastic ring 12 of the shielding cover 10 is preferably implemented as a rubber ring.

More preferably, the natural length of the elastic ring 12 of the shielding cover 10 is smaller than the outer circumference of the annular outer wall 213 of the hard shell 21 of the shielding sleeve 20 , so that the elastic ring 12 of the shielding cover 10 The elastic ring 12 can be tightly bound to the outer surface of the annular outer wall 213 of the hard shell 21 by relying on its own elastic deformation, thereby sealingly connecting the shielding cover 10 and the shielding sleeve 20 together.

It is worth noting that, as shown in FIGS. 2 to 4B , the hard shell 21 of the shielding sleeve 20 of the coating shielding fixture 1 of the present invention may further include one or more anti-removal pieces 214 , wherein The anti-removal piece 214 is provided on the annular outer wall 213 to prevent the shielding cover 10 from being unintentionally or accidentally detached from the hard shell 21 of the shielding sleeve 20 .

Specifically, the anti-removal piece 214 of the hard shell 21 may be, but is not limited to, implemented as a protrusion 2140 extending outward from the outer surface of the annular outer wall 213 of the hard shell 21 for blocking all The elastic ring 12 of the shielding cover 10 slides on the outer surface of the annular outer wall 213 to prevent the elastic ring 12 of the shielding cover 10 from sliding from the annular outer wall 213 of the hard shell 21 Slip off.

Preferably, the protrusion 2140 annularly extends along the outer circumference of the annular outer wall 213 to form a ring 2141 surrounding the annular groove 2102 of the hard shell 21 to prevent the shielding cover from being When the elastic ring 12 of 10 slips off, the sealing performance of the connection between the shielding cover 10 and the shielding sleeve 20 can also be enhanced.

Illustratively, in an example of the present invention, as shown in FIGS. 3A to 4B , the one or more anti-removal pieces 214 of the hard shell 21 of the shielding cover 20 may be implemented as three. The anti-removal pieces 214, three of which are spaced apart on the outer surface of the annular outer wall 213, form an annular recess between the two adjacent anti-removal pieces 214. The groove 2142 allows the elastic ring 12 of the shielding cover 10 to be buckled in the annular groove 2142, which helps to further enhance the joint strength and sealing between the shielding cover 10 and the shielding sleeve 20 performance.

Of course, in other examples of the present invention, the anti-removal piece 214 of the hard shell 21 of the shielding cover 20 can also be implemented from the outer surface of the annular outer wall 213 of the hard shell 21 to facing The inner concave groove is used to accommodate the elastic ring 12 of the shielding cover 10 and can still prevent the elastic ring 12 of the shielding cover 10 from being separated from the annular outer wall 213 of the hard shell 21 The effect of upper slippage.

It is worth noting that, as shown in FIGS. 2 to 4B , the electronic components 410 in the charging compartment 41 of the earphone box 40 usually include a flexible circuit board 411 (such as a soft board, etc.), and the flexible The circuit board 411 usually has a plurality of connection points 4110 for electrical connection with the wireless earphones in order to charge the wireless earphones, and the connection points 4110 on the flexible circuit board 411 also need to be used as the earphones. The non-coated portion 401 of the box 40 cannot be coated. Considering that the length of the flexible circuit board 411 of the charging cabin 41 is relatively long, it can usually be extended Therefore, the present invention can fold the flexible circuit board 411 so that the connection point 4110 is outside the shell 42 of the earphone box 40, and then shield the fixture 1 through the coating The shielding cover 10 shields the connection point 4110 to prevent the connection point 4110 of the flexible circuit board 411 from being plated.

Preferably, the hard shell 21 of the shielding sleeve 20 may further include one or more reserved grooves 215 , wherein the reserved grooves 215 are provided on the outer surface of the annular outer wall 213 for accommodating the user. The flexible circuit board 411 is folded so that the folded flexible circuit board 411 passes through the anti-removal member 214 to prevent the folded flexible circuit board 411 from being between the shielding cover 10 and the A gap is formed between the shielding sleeves 20 , which affects the sealing effect between the shielding cover 10 and the shielding sleeve 20 .

More preferably, the protrusions 2140 of the hard shell 21 of the shielding sleeve 20 extend intermittently along the outer periphery of the annular outer wall 213 to engage on the buckles 2141 of the hard shell 21 The reserved groove 215 is formed so that the folded flexible circuit board 411 passes through the buckle 2141, which helps to cover the connection point 4110 of the flexible circuit board 411 while ensuring that all There is a good sealing effect between the shielding cover 10 and the shielding sleeve 20 .

It is worth noting that when the hard shell 21 of the shielding cover 20 is not provided with the reserved groove 215, the flexible circuit board in the charging compartment 41 of the earphone box 40 of the present invention 411 can directly protrude from the plated through hole 2101 of the hard shell 21 of the shielding sleeve 20 without being folded; at the same time, the connection point 4110 on the flexible circuit board 411 can By using additional tools or means for shielding, such as covering with sealing cloth, etc., it is possible to avoid the connection on the flexible circuit board 411 without shielding by the coating shielding jig 1 . The effect of position 4110 being coated with film.

It is worth mentioning that the soft lining layer 22 of the shielding sleeve 20 of the coating shielding fixture 1 of the present invention preferably has a contoured structure to match the opening 403 of the earphone box 40. This helps to tightly fill the gap between the opening 403 of the earphone box 40 and the annular groove 2102 of the hard shell 21 so as to achieve a better shielding effect.

In addition, the shielding sleeve 20 of the coating shielding fixture 1 of the present invention can be It is not limited to being manufactured in one piece by two moldings. Illustratively, in the first example of the present invention, as shown in FIG. 5 , the manufacturing method of the shielding sleeve 20 of the coating shielding fixture 1 may include the step: S110: molding hard plastic to form a hard plastic. Shell 21, wherein the hard shell 21 has at least one coated through hole 2101 and an annular groove 2102 extending around the at least one coated through hole 2101; and S120: through a profiling mold, in the hard shell A soft rubber material is molded in the annular groove 2102 of the body 21 to form a soft lining 22 with a contoured structure, thereby forming the shielding sleeve 20 suitable for being placed over the opening 403 of the earphone box 40 .

Of course, in the second example of the present invention, as shown in FIG. 6 , the manufacturing method of the shielding sleeve 20 of the coating shielding fixture 1 may also include the step: S210: shaping the soft rubber through a profiling mold Material to form a soft lining layer 22 with a contoured structure; and S220: Molding hard plastic on the outer surface of the soft lining layer 22 to form a hard shell 21, wherein the hard shell 21 has at least one coating The through hole 2101 and an annular sleeve groove 2102 extending around the at least one plated through hole 2101, and the soft lining layer 22 is located in the annular sleeve groove 2102 of the hard shell 21, thereby forming a sleeve suitable for The shielding sleeve 20 is provided at the opening 403 of the earphone box 40 .

In addition, in the third example of the present invention, as shown in FIG. 7 , the manufacturing method of the shielding sleeve 20 of the coating shielding jig 1 may also include the step: S310: molding hard plastic to form a hard shell. Body 21, wherein the hard shell 21 has at least one plated through hole 2101 and an annular sleeve 2102 extending around the at least one plated through hole 2101; S320: mold the soft rubber material through a profiling mold to form A soft lining layer 22 with a contoured structure; and S330: Correspondingly assemble the soft lining layer 22 in the annular groove 2102 of the hard shell 21 to form a soft lining layer 22 suitable for being placed on the earphone box 40 The opening 403 of the shielding sleeve 20 .

It is worth noting that in the step S330 of the manufacturing method of the shielding sleeve 20 in the third example of the present invention, the soft lining layer 22 can be embedded in the hard shell through concave and convex fitting. 21 in the annular groove 2102 to enhance the bonding strength between the soft lining layer 22 and the hard shell 21 . Of course, in other examples of the present invention, the soft lining 22 can also be fixed in the annular sleeve 2102 of the hard shell 21 by profiling or glue bonding.

It can be understood that the above-mentioned step S310 and the step S320 can be performed in no particular order, that is to say, the step S310 and the step S320 can be performed at the same time, or the step S310 can be performed first, and then all the steps can be performed. Describe step S320.

According to another aspect of the present invention, as shown in FIGS. 1 to 10 , an embodiment of the present invention further provides an earphone box coating device, which is used to coat the earphone box after being shielded by the coating shielding fixture 1 40 is coated, so that the portion 402 to be coated of the earphone box 40 is plated with a protective film layer to achieve better waterproof or anti-oil effects, while the non-coated portion 401 of the earphone box 40 is It is shielded by the coating shielding fixture 1 but not coated with a film, so as to maintain the original appearance.

Specifically, the earphone box coating equipment of the present invention may include a coating equipment body 50 having a coating chamber 51 and a plurality of the coating shielding jigs 1, wherein a plurality of the coating shielding jigs 1 are arranged on the Inside the coating chamber 51 of the main body 50 of the coating equipment, and a plurality of the coating shielding jigs 1 are used to correspondingly shield a plurality of the earphone boxes 40, so that the pair of pairs passing through the coating shielding through the main body 50 of the coating equipment The earphone box 40 shielded by the jig 1 is coated.

For example, as shown in Figure 8, the coating equipment body 50 of the earphone box coating equipment may also include a rotating frame 52, a supply and exhaust system 53, and one or more excitation systems 54, wherein the rotating frame The rack 52 is rotatably provided in the coating chamber 51 and is used to place a plurality of the earphone boxes 40 shielded by the coating shielding fixture 1; wherein the air supply and exhaust system 53 and the coating chamber 51 is conductively connected, and is used to supply air inward to provide chemical monomers to the coating chamber 51 while exhausting air outward to form a predetermined vacuum degree in the coating chamber 51 gas; wherein the excitation system 54 is used to generate an excitation electromagnetic field in the coating chamber 51 to ionize the chemical monomer gas to form plasma, so that the plasma is in the part to be coated of the earphone box 40 402 is deposited to form a uniform film layer so that coating work can be completed in batches, helping to meet industrial mass production needs and reduce protection costs.

Preferably, the excitation system 54 of the coating equipment body 50 is implemented as an ICP excitation system, wherein the ICP excitation systems are respectively disposed outside the coating chamber 51 for use in the coating chamber. An excitation magnetic field is generated in the chamber 51 to ionize the chemical monomer gas to form inductively coupled plasma, so that the inductively coupled plasma is deposited on the portion 402 to be coated of the earphone box 40 to form a uniform film layer.

More preferably, as shown in FIG. 9 , the turret 52 generally includes one or more planet carriers 521 revolving around the rotation axis, wherein each of the planet carriers 521 includes a rotation axis and a or A multi-layer storage platform, wherein the storage platform is spacedly stacked on the rotation axis for rotating around the rotation axis while revolving around the rotation axis. It can be understood that each layer of the storage table is suitable for placing one or more coating shielding fixtures 1, so that the storage table drives the coating shielding fixture 1 to perform processing in the reaction chamber 10 Rotation and revolution to realize the coating process in batches.

It is worth noting that in some examples of the present invention, the coating shielding fixture 1 may be placed on the storage platform of the planetary storage rack 521 in a manner such as, but is not limited to, standing upright, hanging or lying horizontally. Preferably, a plurality of the coating shielding jigs 1 may be annularly arranged on the storage platform around the rotation axis of the planetary storage rack 521 .

More preferably, as shown in FIG. 10 , the coating through hole 2101 of the hard shell 21 of the shielding sleeve 20 of the coating shielding fixture 1 is along the rotation axis of the planet rack 521 are arranged outward in the radial direction to make it easier for the plasma to enter the charging chamber 41 of the earphone box 40 through the coating through hole 2101, which helps to improve the coating efficiency and coating quality.

Of course. In other examples of the present invention, the coating shielding fixture 1 can also be fixed to the storage platform of the planetary storage rack 521 by bonding or slotting. or, the coating shielding fixture 1 can also be integrally formed on the storage platform of the planetary storage rack 521 .

It is worth mentioning that hydrophobicity generally requires the water contact angle on the material surface to be greater than 90°, while superhydrophobicity generally requires the water contact angle on the material surface to be no less than 150°. In nature, there are many superhydrophobic phenomena. For example, when raindrops fall on lotus leaves or rice leaves, the raindrops can automatically slide down the surface of the lotus leaves or rice leaves, taking away some dust attached to the surface. By forming a superhydrophobic film layer on the surface of the substrate, the superhydrophobic effect can be achieved, which has great application prospects in the fields of anti-fog, anti-corrosion, self-cleaning and anti-icing, such as solar cells, display screen waterproofing, and construction. Glass self-cleaning field, etc.

At present, the commonly used methods for preparing superhydrophobic film layers are generally divided into two steps. First, a certain roughness is formed on the surface by sandblasting, etching, or electroplating, and then modified by liquid phase methods such as spraying, spin coating, or immersion. A layer of low surface energy material forms a superhydrophobic film layer to achieve a superhydrophobic effect. However, the steps of these preparation methods are usually cumbersome, the utilization rate of raw materials is low, and the organic solvents used in the preparation process will have adverse effects on the environment and operators, such as the liquid phase fluorosilane series used. These factors are not conducive to the preparation of large-scale industrial superhydrophobic film layers.

However, the above problems can be well solved by the headphone box coating equipment of the present invention. On the one hand, the headphone box coating equipment of the present invention can further improve the density and uniformity of plasma, and can better achieve ultra-high plasma density. The formation conditions of the hydrophobic film facilitate the preparation of a higher quality super-hydrophobic film layer on the portion 402 to be coated of the earphone box 40; on the other hand, because the earphone box coating equipment of the present invention can improve the coating efficiency, In addition, the headphone boxes 40 can be easily replaced in batches to process a large number of workpieces, which helps to meet industrial mass production needs, reduces coating costs, and promotes the application and development of super-hydrophobic films.

It is worth mentioning that according to another aspect of the present invention, an embodiment of the present invention further provides a method for shielding an earphone box, which mainly uses the above-mentioned coating shielding fixture 1 to shield the earphone box 40 . Specifically, as shown in Figure 11, the method for shielding the earphone box may include the steps: S410: Set a shielding cover 20 of a coating shielding fixture 1 on an opening 403 of the headphone box 40; S420: Cover a shielding cover 10 of the coating shielding fixture 1 on a non-coated part of the headphone box 40 Part 401; and S430: The shielding sleeve 20 can be sealingly joined to the shielding cover 10 to sealingly shield the non-coated portion 401 of the earphone box 40 while leaving the to-be-coated portion 402 of the earphone box 40 open.

It is worth noting that in the above-mentioned embodiment of the present invention, the order of step S410 and step S420 is not determined. That is to say, step S410 may be executed before step S420, or may be executed before step S420. is executed after step S420. Of course, in other examples of the present invention, step S410 and step S420 may also be executed synchronously.

More specifically, according to the above-mentioned embodiment of the present invention, the step S410 of the method for shielding the earphone box may include the step of: arranging a soft lining layer 22 of the shielding sleeve 20 on a hard layer of the shielding sleeve 20 In an annular sleeve 2102 of the housing 21; and fitting the annular sleeve 2102 of the hard shell 21 in the opening 403 of the earphone box 40, so that the soft lining 22 sealingly fills the hard shell 21 and the headphone box 40.

According to the above embodiment of the present invention, in step S430 of the method for shielding an earphone box, an elastic ring 12 of the shielding cover 10 is fastened to an annular outer wall 213 of the hard shell 21 to pass through An airbag 11 of the shielding cover 10 sealingly covers the non-coated portion 401 of the earphone box 40 .

Preferably, as shown in FIG. 11 , the method for shielding the earphone box may further include the step: S440: fold at least one flexible circuit board 411 of a charging compartment 41 of the earphone box 40 on the hard shell 21 At least one reserved slot 215 is provided so that the plurality of connection points 4110 of the flexible circuit board 411 are located within the shielding cover 10 .

Exemplarily, FIG. 12 shows the use of the coating shielding fixture 1 to shield the The process of the earphone box 40: First, the shielding sleeve 20 is placed in the opening 403 of the earphone box 40, so that the soft liner 22 sealingly fills the hard shell 21 and the earphone box 40 then, fold at least one flexible circuit board 411 of a charging compartment 41 of the headphone box 40 into at least one reserved groove 215 of the hard case 21; then, cover the shielding cover 10 At a plurality of connection points 4110 between a shell 42 of the earphone box 40 and the flexible circuit board 411; finally, an elastic ring 12 of the shielding cover 10 is fastened to an annular outer wall of the hard shell 21 213, to sealingly cover the shell 42 and the plurality of connection points 4110 of the earphone box 40 through an air bag 11 of the shielding cover 10.

Those skilled in the art should understand that the embodiments shown in the above description and drawings are only examples and do not limit the present invention. The object of the present invention has been completely and effectively achieved. The functional and structural principles of the present invention have been shown and described in the embodiments, and the implementation of the present invention may have any variations or modifications without departing from the principles.

10: Masking cover

11:Air bag

12: Elastic ring

20: Masking cover

21:hard shell

211: Ring top wall

212: Annular inner wall

213: Annular outer wall

214: Anti-removal parts

22: Soft lining

40:Headphone box

401: Non-coated part

403:Opening part

Claims (34)

A coating shielding fixture for an earphone box, wherein the earphone box includes a non-coated part, a part to be coated and an opening, characterized in that the coating shielding fixture includes: a shielding cover, wherein the a shielding cover adapted to be covered outside the non-coated portion of the earphone box; and a shielding sleeve, wherein the shielding sleeve is adapted to be sleeved over the opening of the earphone box, and the shielding sleeve can be sealingly joined to The shielding cover, wherein when the shielding cover is joined to the shielding sleeve, the coating shielding jig is used to hermetically shield the non-coating part of the earphone box, and openly expose the to-be-coated part of the earphone box ; Wherein, the part to be coated of the earphone box is the electronic components in the charging compartment of the earphone box, and the non-coated part of the earphone box is the outer shell of the earphone box. The coating shielding fixture according to claim 1, wherein the shielding sleeve includes a hard shell and a soft lining, wherein the hard shell has at least one coating through hole and surrounds the at least one coating through hole. An annular groove with holes arranged; wherein the soft lining layer is disposed within the annular groove of the hard shell, wherein when the shielding sleeve passes through the annular groove of the hard shell, it is When placed in the opening of the earphone box, the soft lining sealingly fills the gap between the hard shell and the earphone box, and the at least one coated through hole of the hard shell is used for communication The portion of the earphone box to be coated is open to expose the portion of the earphone box to be coated through the at least one coating through hole of the hard shell. The coating shielding fixture according to claim 2, wherein the material hardness of the hard shell is greater than the material hardness of the soft lining layer. The coating shielding fixture according to claim 3, wherein the hard shell is made of hard plastic, and the soft lining is made of soft plastic material. The coating shielding jig according to claim 2, wherein the coating through hole of the hard shell is chamfered to form a bell mouth structure. The coating shielding fixture according to claim 2, wherein the soft lining layer has a profiling structure for matching the opening of the earphone box. The coating shielding fixture according to any one of claims 2 to 6, wherein the hard shell includes an annular top wall, an annular inner wall extending downward from the inner periphery of the annular top wall, and An annular outer wall extends downward from the outer periphery of the annular top wall, wherein the inner surface of the annular inner wall is defined as the coating through hole of the hard shell, and the annular inner wall and the annular outer wall Spaced apart from each other such that the outer surface of the annular inner wall and the inner surface of the annular outer wall are collectively defined as the annular sleeve of the hard shell. The coating shielding fixture according to claim 7, wherein the shielding cover includes an air bag and an elastic ring disposed at the mouth of the air bag, wherein the air bag of the shielding cover is adapted to wrap the air bag. The outer shell of the earphone box, and the elastic ring of the shielding cover is constrainedly sleeved on the hard shell of the shielding sleeve. The coating shielding fixture according to claim 8, wherein the hard shell of the shielding sleeve further includes one or more anti-removal parts, wherein the anti-removal parts are provided on the annular outer wall for Prevent the elastic ring from slipping off the annular outer wall. The coating shielding fixture according to claim 9, wherein the natural length of the elastic ring of the shielding cover is smaller than the outer circumference of the annular outer wall of the hard shell, and the anti-removal piece is implemented as A projection extending outwardly from the outer surface of the annular outer wall of the hard shell. The coating shielding jig according to claim 10, wherein the protrusion extends annularly along the periphery of the annular outer wall to form a ring surrounding the annular groove of the hard shell. The coating shielding fixture according to claim 11, wherein a plurality of the anti-removal pieces are spacedly arranged on the outer surface of the annular outer wall, so that between two adjacent anti-removal pieces An annular groove is formed so that the elastic ring of the shielding cover is buckled within the annular groove. The coating shielding fixture according to claim 12, wherein the hard shell of the shielding sleeve further includes one or more reserved grooves, wherein the reserved grooves are disposed on the The outer surface of the annular outer wall of the hard shell is used to allow the folded flexible circuit board in the earphone box to pass through the ring buckle. The coating shielding fixture according to claim 13, wherein the protrusions of the hard shell extend intermittently along the outer periphery of the annular outer wall to form a loop on the hard shell. The reserved slot. A method for manufacturing a shielding sleeve of a coating shielding fixture, characterized in that the method includes the step of: molding hard plastic to form a hard shell, wherein the hard shell has at least one coating through hole and is surrounded by An annular groove extends from the at least one plated through hole; and a soft rubber material is molded in the annular groove of the hard shell through a profiling mold to form a soft lining layer with a profiling structure, thereby forming The shielding sleeve is suitable for being placed on the opening of the earphone box; wherein, the part to be coated of the earphone box is the electronic components in the charging compartment of the earphone box, and the non-coated part of the earphone box is the The casing of the headphone box. A method for manufacturing a shielding sleeve of a coating shielding fixture, characterized in that the method includes the steps of: shaping a soft rubber material through a profiling mold to form a soft lining layer with a profiling structure; and in the The outer surface of the soft liner is molded into hard plastic to form a hard shell, wherein the hard shell has at least one plated through hole and an annular groove extending around the at least one plated through hole, and the soft liner is located The shielding sleeve is formed in the annular groove of the hard shell and is suitable for being placed on the opening of the earphone box; wherein the portion of the earphone box to be coated is the electronic component in the charging compartment of the earphone box. Device, the non-coated part of the earphone box is the outer shell of the earphone box. A method for manufacturing a shielding sleeve of a coating shielding fixture, characterized in that the method includes the step of: molding hard plastic to form a hard shell, wherein the hard shell has at least one coating through hole and is surrounded by An annular groove extends from the at least one plated through hole; through a profiling mold, the soft rubber material is shaped to form a soft lining layer with a profiling structure; and Correspondingly, the soft lining layer is assembled in the annular groove of the hard shell to form the shielding sleeve suitable for being placed on the opening of the earphone box; wherein the part to be coated of the earphone box is the Electronic components in the charging compartment of the earphone box, the non-coated part of the earphone box is the outer shell of the earphone box. The method of claim 17, wherein the soft lining is assembled in the annular groove of the hard shell accordingly to form the shield suitable for being placed over the opening of the earphone box. In the step of covering, the soft lining layer is fixed in the annular sleeve groove of the hard shell through concave and convex matching, profiling matching or glue bonding. A method for shielding an earphone box, characterized in that the method includes the steps of: placing a shield of a coating shielding fixture on an opening of the earphone box; and placing a shield covering the coating shielding fixture. Covering a non-coated part of the earphone box; and sealingly joining the shielding sleeve to the shielding case to openly expose a to-be-coated part of the earphone box while sealingly shielding the non-coated part of the earphone box ; Wherein, the part to be coated of the earphone box is the electronic components in the charging compartment of the earphone box, and the non-coated part of the earphone box is the outer shell of the earphone box. The method of claim 19, wherein the step of placing a shielding sleeve of a coating shielding fixture on an opening of the earphone box includes the step of: arranging a soft lining of the shielding sleeve on the shielding Set in an annular groove of a hard shell; and fit the annular groove of the hard shell in the opening of the earphone box, so that the soft lining sealingly fills the hard shell and the earphone box the gap between. The method according to claim 20, further comprising the step of: folding at least one flexible circuit board of a charging compartment of the earphone box into at least one reserved slot of the hard shell to enable multiple connections of the flexible circuit board The site is located within this mask. An earphone box coating equipment used for coating the earphone box, wherein the earphone box includes a non-coated part, a part to be coated and an opening, characterized in that, The coating equipment includes: a coating equipment main body, wherein the coating equipment main body has a coating chamber; and one or more coating shielding fixtures, wherein the one or more coating shielding fixtures are arranged on the in the coating chamber of the main body of the coating equipment, and each of the coating shielding fixtures includes: a shielding cover, wherein the shielding cover is adapted to be covered outside the non-coating part of the earphone box; and a shielding sleeve, wherein The shielding sleeve is adapted to be placed on the opening of the earphone box, and the shielding sleeve can be sealingly joined to the shielding cover, wherein when the shielding cover is joined to the shielding cover, the coating shields The jig is used to hermetically cover the non-coated part of the earphone box, and to openly expose the part to be coated of the earphone box; wherein the part to be coated is the electronic component in the charging compartment of the earphone box. Device, the non-coated part of the earphone box is the outer shell of the earphone box. The earphone box coating equipment according to claim 22, wherein the shielding sleeve includes a hard shell and a soft lining, wherein the hard shell has at least one coated through hole and surrounds the at least one coated through hole. An annular groove with holes arranged; wherein the soft lining layer is disposed within the annular groove of the hard shell, wherein when the shielding sleeve passes through the annular groove of the hard shell, it is When placed in the opening of the earphone box, the soft lining sealingly fills the gap between the hard shell and the earphone box, and the at least one coated through hole of the hard shell is used for communication The portion of the earphone box to be coated is open to expose the portion of the earphone box to be coated through the at least one coating through hole of the hard shell. The earphone box coating equipment according to claim 23, wherein the coating through hole of the hard shell is chamfered to form a bell mouth structure. The earphone box coating equipment according to claim 24, wherein the soft lining layer has a contoured structure for matching the opening of the earphone box. The earphone box coating equipment according to claim 25, wherein the hard shell includes an annular top wall, an annular inner wall extending downward from the inner peripheral edge of the annular top wall, and an annular top wall extending downward from the annular top wall. An annular outer wall with an outer peripheral edge extending downward, wherein the inner annular inner wall The surface is defined as the plated through hole of the hard shell, and the annular inner wall and the annular outer wall are spaced apart from each other so as to be jointly defined by the outer surface of the annular inner wall and the inner surface of the annular outer wall. The annular sleeve of the hard shell. The earphone box coating equipment according to claim 26, wherein the shielding cover includes an airbag and an elastic ring disposed at the mouth of the airbag, wherein the airbag of the shielding cover is adapted to wrap the airbag. The outer shell of the earphone box, and the elastic ring of the shielding cover is constrainedly sleeved on the hard shell of the shielding sleeve. The earphone box coating equipment according to claim 27, wherein the hard shell of the shielding sleeve further includes one or more anti-removal pieces, wherein the anti-removal pieces are provided on the annular outer wall for Prevent the elastic ring from slipping off the annular outer wall. The earphone box coating equipment according to claim 28, wherein the natural length of the elastic ring of the shielding cover is smaller than the outer circumference of the annular outer wall of the hard shell, and the anti-removal piece is implemented as A projection extending outwardly from the outer surface of the annular outer wall of the hard shell. The earphone box coating equipment according to claim 29, wherein the protrusion extends annularly along the periphery of the annular outer wall to form a ring surrounding the annular groove of the hard shell. The earphone box coating equipment according to any one of claims 22 to 30, wherein the main body of the coating equipment further includes a turret, a supply and exhaust system, and one or more excitation systems, wherein the turret is The coating chamber rotatably provided on the main body of the coating equipment is used to place a plurality of earphone boxes shielded by the coating shielding fixture; wherein the air supply and exhaust system and the coating chamber can be Conductively connected, used to exhaust gas outward to form a predetermined vacuum degree in the coating chamber while supplying air inward to provide chemical monomer gas to the coating chamber; wherein the excitation system is used to An excitation electromagnetic field is generated in the coating chamber to ionize the chemical monomer gas to form plasma, so that the plasma is deposited on the portion to be coated of the earphone box to form a uniform film layer. The headphone box coating equipment according to claim 31, wherein the turntable It includes one or more planetary racks that revolve around a rotation axis, wherein each of the planetary racks includes a rotation axis and one or more layers of racks that rotate around the rotation axis, and a plurality of the coating shielding devices The rotation axes surrounding the planetary shelf are annularly arranged on the shelf. The headphone box coating equipment according to claim 32, wherein the coating through-hole of the hard shell in the coating shielding jig faces outward along the radial direction of the rotation axis of the planet rack. layout. The headphone box coating equipment according to claim 33, wherein the coating shielding fixture is fixed to the storage platform of the planetary storage rack by adhesion or slot-locking.

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