CN212041098U

CN212041098U - Earphone steel mesh waterproof layer spraying device

Info

Publication number: CN212041098U
Application number: CN201922491568.9U
Authority: CN
Inventors: 唐任宏
Original assignee: Dongguan Shengxiang Precision Metal Co Ltd
Current assignee: Dongguan Shengxiang Precision Metal Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-12-01
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an earphone steel mesh waterproof layer spraying device, including frame, syringe and nozzle structure all locate in the frame, and the one end of syringe is located to nozzle structure, and the interior pipeline cross-section of nozzle structure's syringe needle is the petal form of symmetry. The beneficial effects of the utility model are that, with interior pipeline design for petal form mode, protection liquid such as fluoride liquid passes through the spraying of petal form nozzle, is favorable to the dispersion spraying air current, makes the effectual atomizing of fluoride liquid, and the spraying is more even to earphone steel mesh surface, reaches waterproof requirement, improves the waterproof yield of earphone steel mesh.

Description

Earphone steel mesh waterproof layer spraying device

Technical Field

The utility model relates to an automatic change spraying field, in particular to earphone steel mesh waterproof layer spraying device.

Background

The earphone is an indispensable accessory of an electronic product in people's life, and whether listen song, video or in the official working, it is more private to wear the earphone.

In order to prevent the steel mesh of the earphone from rusting and deteriorating, a waterproof film is often required to be sprayed on the surface of the steel mesh of the earphone so as to protect the steel mesh. Because the steel mesh product area is little, the liquid is fluoridized in the spraying of conventional spraying equipment inhomogeneous, leads to waterproof yield low, influences product quality, and the rework rate is higher, leads to spraying production efficiency also to reduce to some extent.

SUMMERY OF THE UTILITY MODEL

The utility model provides an earphone steel mesh waterproof layer spraying device can solve one or several kinds among the above-mentioned prior art problem.

According to the utility model discloses an aspect provides earphone steel mesh waterproof layer spraying device, including frame, syringe and nozzle structure all locate in the frame, and the one end of syringe is located to nozzle structure, and the interior pipeline cross-section of nozzle structure's syringe needle is the petal form of symmetry.

The beneficial effects of the utility model are that, with interior pipeline design for petal form mode, protection liquid such as fluoride liquid passes through the spraying of petal form nozzle, is favorable to the dispersion spraying air current, makes the effectual atomizing of fluoride liquid, and the spraying is more even to earphone steel mesh surface, reaches waterproof requirement, improves the waterproof yield of earphone steel mesh.

In some embodiments, the inner conduit comprises a plurality of grooves, the grooves being evenly distributed. The beneficial effects are that, these evenly distributed's recess makes the cross-section of interior pipeline be the petal form, utilizes these recesses to improve the atomizing area of protection liquid, has improved atomizing efficiency and waterproof quality.

In some embodiments, there are eight grooves. The cross section of the inner pipeline is similar to a plum blossom shape, so that the atomization efficiency is improved, the spraying uniformity is ensured, and the spraying waterproof requirement is met.

In some embodiments, the nozzle arrangement includes a piston, a needle, and a liquid storage chamber, one end of the piston being connected to the needle, the liquid storage chamber being located outside the needle, the needle being in communication with the liquid storage chamber. The liquid spraying device has the beneficial effects that the liquid storage cavity is connected with an external liquid storage tank, so that the protective liquid can be continuously provided for the needle head, the amount and the pressure of gas are controlled through the movement of the piston, and the liquid in the needle head is atomized and sprayed out, so that the product is uniformly sprayed.

In some embodiments, the nozzle structure further comprises a fixing plate and a fixing support plate, one end of the fixing support plate is connected with the liquid storage cavity, the other end of the fixing support plate is connected with the fixing plate, and the fixing plate and the fixing support plate are both sleeved outside one end of the needle. The end part of the fixing plate is matched with the tip of the end part of the needle head to form a necking, so that the end part of the needle head can be effectively protected and fixed, and the needle head can be ensured to be stable during atomization spraying, thereby further ensuring the spraying quality; the fixed supporting plate is mainly used for supporting the fixed plate and protecting the needle head.

In some embodiments, the liquid storage device further comprises an air cap and a clamping ring, the air cap is sleeved outside the fixed plate and the fixed supporting plate, one end of the air cap is connected with one end of the liquid storage cavity, one end of the clamping ring is connected with the liquid storage cavity, and the other end of the clamping ring is connected with the air cap. The air cap has the beneficial effects that the air cap is used for controlling the spraying angle, shape and area of the atomized protection liquid so as to be more attached to a product to be sprayed and ensure the spraying quality.

In some embodiments, one end of the air cap is provided with a platform, and one end of the snap ring is provided with an inner buckle, and the inner buckle is matched with the platform. The liquid storage device has the beneficial effects that the air cap and the liquid storage cavity are tightly buckled and fixed through the matching of the inner buckle and the platform.

In some embodiments, the nozzle structure further includes an air-entrapping part, an air-reducing part, and a spring, the air-entrapping part is located at one end of the piston, the air-reducing part is located at the other end of the piston and the air-reducing part is sleeved outside the piston, the spring is located in a chamber surrounded by the air-reducing part, one end of the spring is connected with the air-entrapping part, and the other end of the spring is connected with the piston. The air-entrapping and air-reducing device has the beneficial effects that the air-entrapping part and the air-reducing part can entrap and reduce air for the movement of the piston, so that the movement rate of the piston and the amount of entering air are controlled, and the atomization and the spraying of the protective liquid in the needle head are pushed according to the requirements.

In some embodiments, one end of the gas filling part is also provided with a locking nut and a stroke adjusting piece. The spray nozzle has the advantages that the screw is further arranged between the locking nut and the gas-filling part and used for locking and fixing the end part of the whole nozzle structure, the stroke adjusting piece can set and control the movement of the piston and the movement angle and speed of the whole device, the spraying speed and spraying amount of the protective liquid are controlled according to the spraying requirement, the spraying uniformity is guaranteed, the product yield is improved, and the protective liquid is not wasted.

In some embodiments, the liquid storage device further comprises a pressing part and a rear cover, one end of the rear cover is connected with the air reducing part, and the other end of the rear cover is connected with the liquid storage cavity through the riveting nut column. The beneficial effect is that, the back lid can seal protection to parts such as piston.

Drawings

Fig. 1 is a schematic structural view of an earphone steel mesh waterproof layer spraying device according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating a nozzle structure of the water-proof layer spraying device for a steel mesh of the earphone shown in fig. 1;

FIG. 3 is a partial schematic view of the nozzle arrangement shown in FIG. 2;

fig. 4 is a sectional view of the needle-in-tube of the water-proof layer coating device of the steel mesh of the earphone shown in fig. 1;

fig. 5 is a schematic diagram of an earphone steel mesh to be sprayed in the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 to 4 schematically show an earphone steel mesh waterproof layer spraying device according to an embodiment of the present invention. The product to be painted, i.e. the net of the earphones, is shown in fig. 5.

As shown in figure 1, the device comprises a frame 1, an injector 2 and a nozzle structure 3, wherein the injector 2 and the nozzle structure 3 are both arranged on the frame 1, and the nozzle structure 3 is arranged at one end of the injector 2.

Therein, as shown in fig. 2, the nozzle arrangement 3 comprises a piston 6, a needle 4 and a liquid storage chamber 5. One end of the piston 6 is connected with the needle head 4, the liquid storage cavity 5 is sleeved outside the needle head 4, and the needle head 4 is communicated with the liquid storage cavity 5. The other end of the liquid storage cavity 5 is connected with an external liquid storage tank, and can continuously provide protective liquid for the needle 4. The amount and pressure of the gas can be controlled by the movement of the piston 6, and the liquid in the needle 4 is atomized and sprayed out, so that the product can be uniformly sprayed.

As shown in fig. 4, the inner channel of the needle 4 has a symmetrical petal-like cross-section. Specifically, the inner pipe includes a plurality of grooves 41, and the grooves 41 are uniformly distributed. The grooves 41 which are uniformly distributed enable the section of the inner pipeline to be in a petal shape, the atomization area of the protection liquid is increased by utilizing the grooves 41, and the atomization efficiency and the waterproof quality are improved.

In this embodiment, the number of the grooves 41 is eight, and the cross section of the inner pipeline is similar to a plum blossom shape, so that the atomization efficiency is improved, the spraying uniformity is ensured, and the spraying waterproof requirement is met.

The utility model discloses a device is the interior pipe design for petal form mode, and protection liquid such as fluoride liquid passes through the spraying of petal form nozzle, is favorable to the dispersion spraying air current, makes the effectual atomizing of fluoride liquid, and the spraying is more even to earphone steel mesh surface, reaches waterproof requirement, improves the waterproof yield of earphone steel mesh.

As shown in fig. 2 and 3, the nozzle structure 3 further includes a fixing plate 7 and a fixing support plate 8, one end of the fixing support plate 8 is connected to the liquid storage chamber 5, the other end of the fixing support plate 8 is connected to the fixing plate 7, and the fixing plate 7 and the fixing support plate 8 are both sleeved outside one end of the needle 4. The end part of the fixing plate 7 is matched with the tip mouth 42 at the end part of the needle head 4 to form a necking 71, so that the end part of the needle head 4 can be effectively protected and fixed, the needle head 4 can be ensured to be stable during atomization spraying, and the spraying quality is further ensured; the fixed supporting plate 8 is mainly used for supporting the fixed plate 7 and protecting the needle head 4.

As shown in fig. 2 and 3, an air cap 9 and a snap ring 10 are further provided for further ensuring the spraying quality. The air cap 9 is sleeved outside the fixed plate 7 and the fixed supporting plate 8, and one end of the air cap 9 is connected with one end of the liquid storage cavity 5. The air cap 9 is used for controlling the spraying angle, shape and area of the atomized protection liquid so as to be more attached to a product to be sprayed and ensure the spraying quality.

One end of the clamping ring 10 is connected with the liquid storage cavity 5, the other end of the clamping ring 10 is connected with the air cap 9, and the clamping ring 10 is mainly used for fixing the air cap 9 and ensuring the stability of the spraying angle.

One end of the air cap 9 is provided with a platform 91, one end of the snap ring 10 is provided with an inner buckle 11, and the inner buckle 11 is matched with the platform 91. The air cap 9 is tightly fastened and secured to the liquid storage chamber 5 by the cooperation of the inner clip 11 and the platform 91.

In order to facilitate the control of the air pressure, the nozzle structure 3 is provided with an air-filling part 12, an air-reducing part 13 and a spring 14. The gas adding part 12 is positioned at one end of the piston 6, the gas reducing part 13 is positioned at the other end of the piston 6, and the gas reducing part 13 is sleeved outside the piston 6. The aeration and

de-aeration elements

12 and 13 are capable of aerating and de-aerating the piston 6 movement, thereby controlling the rate of movement of the piston 6 and the amount of air admitted to drive the atomisation and spraying of the protective liquid in the needle 4 as required. The spring 14 is positioned in a cavity enclosed by the gas reducing part 13, one end of the spring 14 is connected with the gas adding part 12, and the other end of the spring 14 is connected with the piston 6. The spring 14 can play a buffering role in the movement of the piston 6, so that the movement of the piston 6 is more stable, the control of gas is more stable, and the stability of atomization is ensured.

One end of the gas-filling part 12 is also provided with a locking nut 15 and a stroke adjusting piece 17. A screw 16 is also arranged between the locking nut 15 and the gas-filling part 12 for locking and fixing the end of the entire nozzle structure 3. The stroke adjusting piece 17 can set and control the motion of the piston 6 and the motion angle and speed of the whole equipment, and control the spraying speed and spraying amount of the protective liquid according to the spraying requirement, so that the spraying uniformity is ensured, the product yield is improved, and the protective liquid is not wasted.

The device also comprises a pressing part 19 and a rear cover 18, wherein one end of the rear cover 18 is connected with the air reduction part 13, the other end of the rear cover 18 is connected with the liquid storage cavity 5 through a riveting nut column 20, and parts such as the piston 6 and the like can be protected in a sealing mode.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. Earphone steel mesh waterproof layer spraying device, its characterized in that includes frame (1), syringe (2) and nozzle structure (3) are all located on frame (1), nozzle structure (3) are located the one end of syringe (2), the interior pipeline cross-section of syringe needle (4) of nozzle structure (3) is the petal form of symmetry.

2. The painting device of a water-proof layer of steel mesh for earphones according to claim 1, wherein the inner pipe comprises a plurality of grooves (41), and the grooves (41) are evenly distributed.

3. The painting device of the waterproof layer of the steel mesh of the earphone as claimed in claim 2, wherein the number of the grooves (41) is eight.

4. The spraying device for the waterproof layer of the steel mesh of the earphone according to claim 1, wherein the nozzle structure (3) comprises a piston (6), a needle (4) and a liquid storage chamber (5), one end of the piston (6) is connected with the needle (4), the liquid storage chamber (5) is sleeved outside the needle (4), and the needle (4) is communicated with the liquid storage chamber (5).

5. The spraying device of the waterproof layer of the steel mesh of the earphone according to claim 4, wherein the nozzle structure (3) further comprises a fixing plate (7) and a fixing support plate (8), one end of the fixing support plate (8) is connected with the liquid storage chamber (5), the other end of the fixing support plate (8) is connected with the fixing plate (7), and the fixing plate (7) and the fixing support plate (8) are both sleeved outside one end of the needle (4).

6. The waterproof layer coating device for the earphone steel mesh comprises a fixing plate (7) and a fixing supporting plate (8), wherein the fixing plate (7) is sleeved with the air cap (9), one end of the fixing plate (8) is connected with one end of the liquid storage cavity (5), one end of the clamping ring (10) is connected with the liquid storage cavity (5), and the other end of the clamping ring (10) is connected with the air cap (9).

7. The painting device of the waterproof layer of the steel mesh of the earphone according to claim 6, wherein a platform (91) is provided at one end of the air cap (9), an inner buckle (11) is provided at one end of the snap ring (10), and the inner buckle (11) is matched with the platform (91).

8. The spraying device for the waterproof layer of the steel mesh of the earphone according to claim 4, wherein the nozzle structure (3) further comprises an air-entrapping part (12), an air-reducing part (13) and a spring (14), the air-entrapping part (12) is located at one end of the piston (6), the air-reducing part (13) is located at the other end of the piston (6) and the air-reducing part (13) is sleeved outside the piston (6), the spring (14) is located in a cavity surrounded by the air-reducing part (13), one end of the spring (14) is connected with the air-entrapping part (12), and the other end of the spring (14) is connected with the piston (6).

9. The painting device of the waterproof layer of the steel mesh of the earphone according to claim 8, wherein one end of the air-entrapping component (12) is further provided with a locking nut (15) and a stroke adjusting member (17).

10. The painting device of the waterproof layer of the steel mesh of the earphone according to claim 4, further comprising a pressing part (19) and a rear cover (18), wherein one end of the rear cover (18) is connected with the air reducing part (13), and the other end of the rear cover (18) is connected with the liquid storage cavity (5) through a rivet nut column.