CN219059126U

CN219059126U - Etching equipment for curved metal

Info

Publication number: CN219059126U
Application number: CN202223609717.5U
Authority: CN
Inventors: 王文涛; 张亮旗; 王世权
Original assignee: Dongguan Sanuogaode Etching Technology Co ltd
Current assignee: Dongguan Sanuogaode Etching Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-23
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of metal etching, in particular to etching equipment for curved metal, which comprises a machine body and a die, wherein the machine body is also provided with a supporting table and an etching mechanism; each lateral wall at the top of the supporting table is respectively provided with a baffle, and a plurality of baffles are surrounded to form an etching area for preventing etching liquid from sputtering to the outside. According to the utility model, the upper surface of the die is attached to the concave surface of the curved metal to realize positioning, and then the etching mechanism sprays etching liquid on the convex surface of the curved metal, so that the etching depths of the structure are different based on different etching pressures of the etching liquid reaching different positions of the surface of the workpiece, and the difference of the depth and the shape of the microstructure etched and formed at different positions is realized.

Description

Etching equipment for curved metal

Technical Field

The utility model relates to the technical field of metal etching, in particular to etching equipment for curved metal.

Background

The metal with the surface microstructure has wide application fields, such as a boiling enhancement structure, a heat pipe surface heat transfer structure, an ultra-structured surface structure, a mechanical structural member and the like. In the field of metal etching, wet etching is currently commonly used, that is, an etching solution is sprayed on the metal surface after coating, exposure and development in a spraying manner, and the etching solution etches the part of the metal surface which is not covered by the photosensitive film, so that the required microstructure is processed.

However, in the prior art, only a device for wet etching a planar metal is generally used, and only a curved metal can be manufactured by bending the planar metal subjected to wet etching, and this method has the following disadvantages: the metal is reduced in strength due to the reduction of local thickness after etching, so that the metal is easy to break in the bending process; in addition, the etching mode of the plane metal is difficult to obtain microstructures with different depths, so that the performance of the microstructures is single.

Disclosure of Invention

The utility model provides etching equipment for curved metal, which aims at the problems in the prior art, and by carrying out wet etching on the curved metal, not only is metal fracture avoided, but also microstructures with different depths can be etched.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides etching equipment for curved metal, which comprises a machine body, a die and a supporting table and an etching mechanism, wherein the machine body is also provided with the supporting table, the die is arranged on the supporting table, the upper surface of the die is arc-shaped, the die is used for being attached to the concave surface of the curved metal, and the etching mechanism is used for spraying etching liquid to the upper surface of the curved metal; each lateral wall at the top of the supporting table is respectively provided with a baffle, and a plurality of baffles are surrounded to form an etching area for preventing etching liquid from sputtering to the outside.

Further, the etching mechanism comprises a liquid feeder, an etching base and a plurality of spray heads, wherein the spray heads are distributed at the bottom of the etching base in a rectangular array, the spray heads are communicated with the liquid feeder through the etching base, and the liquid feeder is used for supplying etching liquid.

Still further, the liquid supply device comprises a container and a pump, wherein the container is used for loading etching liquid, a conduit is arranged between the pump and the etching base, and the pump is used for conveying the etching liquid in the container to the etching base.

Still further, the liquid supply device is provided with a pressure sensor and a pressure regulator, wherein the pressure sensor is used for sensing the etching liquid pressure output by the liquid supply device, and the pressure regulator is used for regulating the pressure of the etching liquid output by the liquid supply device.

Furthermore, the etching mechanism further comprises a lifting module, wherein the lifting module is arranged on the machine body and used for controlling the etching base to lift so as to adjust the distance between the spray head and the die.

Furthermore, the lifting module comprises a motor, a screw rod and a guide rail, the etching base is provided with a screw hole, the screw hole is in threaded connection with the screw rod, the etching base is arranged on the guide rail in a sliding mode, and the motor is used for driving the screw rod to rotate so as to drive the etching base to lift.

Further, the die is detachably mounted on the supporting table.

The utility model has the beneficial effects that: according to the utility model, the upper surface of the die is attached to the concave surface of the curved metal to realize positioning, and then the etching mechanism sprays etching liquid on the convex surface of the curved metal, so that the etching depths of the structure are different based on different etching pressures of the etching liquid reaching different positions of the surface of the workpiece, and the difference of the depth and the shape of the microstructure etched and formed at different positions is realized.

Drawings

FIG. 1 is a schematic diagram of the present utility model.

Fig. 2 is an internal schematic diagram at a of fig. 1.

Fig. 3 is a schematic structural diagram of the curved metal obtained by the present utility model after straightening.

Reference numerals: 1-organism, 2-supporting bench, 3-mould, 4-etching mechanism, 5-curved metal, 6-microstructure, 21-baffle, 22-etching area, 41-liquid feeder, 42-etching base, 43-shower nozzle, 44-pressure sensor, 45-pressure regulator, 46-lifting module, 47-container, 48-pump, 49-conduit, 461-motor, 462-guide rail.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model. The present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 2, the etching equipment for curved metal provided by the utility model comprises a machine body 1 and a mold 3, wherein the machine body 1 is further provided with a supporting table 2 and an etching mechanism 4, the mold 3 is arranged on the supporting table 2, the upper surface of the mold 3 is arc-shaped, the mold 3 is used for being attached to the concave surface of the curved metal 5, and the etching mechanism 4 is used for spraying etching liquid on the upper surface of the curved metal 5; each side wall of the top of the supporting table 2 is respectively provided with a baffle plate 21, and a plurality of baffle plates 21 are surrounded to form an etching area 22 for preventing etching liquid from sputtering to the outside, thereby ensuring the safety of surrounding components.

In actual use, the etching solution is sprayed in the time area between the baffle plates 21, after the staff fixes the curved metal 5 after coating, exposing and developing on the upper surface of the die 3 by means of magnetic attraction, mechanical clamping or rubberizing, the etching solution is sprayed on the surface of the curved metal 5 by the etching mechanism 4, and as the pressure of the etching solution sprayed by the etching mechanism 4 is constant, the distances between the curved metal 5 and the etching mechanism 4 are different, the etching pressures of the etching solution reaching different positions of the curved metal 5 are different, the depth of the microstructure 6 at the etched position is different, and the etching speed of the part of the curved metal 5 closer to the spray nozzle 43 is faster. Meanwhile, the bending of the workpiece causes the change of the structure spacing, and the side etching is caused in the structure etching process, so that the microstructures 6 with certain inclination can be processed, and the effect of irregular depth and shape of the microstructures 6 at different positions is realized.

Referring to fig. 3, after the curved metal is straightened, the depth of each microstructure is different and the shape is irregular, so that better surface performance can be realized.

In this embodiment, the etching mechanism 4 includes a liquid feeder 41, an etching base 42, and a plurality of nozzles 43, wherein the plurality of nozzles 43 are distributed in a rectangular array on the bottom of the etching base 42, the nozzles 43 are communicated with the liquid feeder 41 through the etching base 42, and the liquid feeder 41 is used for supplying etching liquid.

Further, the liquid supply 41 includes a container 47 and a pump 48, the container 47 is used for loading the etching liquid, a conduit 49 is disposed between the pump 48 and the etching base 42, the pump 48 is used for delivering the etching liquid in the container 47 to the etching base 42, that is, the pump 48 is used for providing the etching liquid with sufficient pressure to the etching base 42, and delivering the etching liquid to each nozzle 43 through a runner in the etching base 42, so as to ensure that the pressure of the etching liquid sprayed by each nozzle 43 is substantially the same.

Specifically, the liquid feeder 41 is provided with a pressure sensor 44 and a pressure regulator 45, the pressure sensor 44 is used for sensing the etching liquid pressure output by the liquid feeder 41, and the pressure regulator 45 is used for regulating the etching liquid pressure output by the liquid feeder 41. The pressure sensor 44 is a conventional hydraulic pressure sensor, and is used for sensing the pressure of the etching liquid supplied by the liquid supply device 41, and the output hydraulic pressure is adjusted by a worker through the pressure regulator 45, so that the effect of actual adjustment according to actual needs is achieved.

Specifically, the etching mechanism 4 further includes a lifting module 46, the lifting module 46 is disposed on the machine body 1, and the lifting module 46 is used for controlling the etching base 42 to lift so as to adjust the distance between the nozzle 43 and the mold 3.

In practical use, the lifting module 46 comprises a motor 461, a screw rod and a guide rail 462, the etching base 42 is provided with a screw hole, the screw hole is in threaded connection with the screw rod, the etching base 42 is slidably arranged on the guide rail 462, the motor 461 is used for driving the screw rod to rotate so as to drive the etching base 42 to lift, the effect of controlling the lifting of the etching base 4242 with high precision is achieved, and the etching depth of the curved metal 5 can be controlled.

In this embodiment, the mold 3 is detachably mounted on the supporting table 2, so that a worker can replace the mold 3 with a proper arc-shaped positioning surface to the supporting table 2 according to the requirement, thereby improving the universality of the utility model; the mold 3 and the support table 2 may be connected by screws or other conventional fixing structures, which are not described and illustrated herein.

The present utility model is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present utility model.

Claims

1. An etching equipment for curved surface metal, includes organism and mould, its characterized in that: the machine body is also provided with a supporting table and an etching mechanism, the die is arranged on the supporting table, the upper surface of the die is arc-shaped, the die is used for being attached to the concave surface of the curved metal, and the etching mechanism is used for spraying etching liquid on the upper surface of the curved metal; each lateral wall at the top of the supporting table is respectively provided with a baffle, and a plurality of baffles are surrounded to form an etching area for preventing etching liquid from sputtering to the outside.

2. The etching apparatus for curved metal according to claim 1, wherein: the etching mechanism comprises a liquid feeder, an etching base and a plurality of spray heads, wherein the spray heads are distributed at the bottom of the etching base in a rectangular array, the spray heads are communicated with the liquid feeder through the etching base, and the liquid feeder is used for supplying etching liquid.

3. The etching apparatus for curved metal according to claim 2, wherein: the liquid feeder comprises a container and a pump, wherein the container is used for loading etching liquid, a conduit is arranged between the pump and the etching base, and the pump is used for conveying the etching liquid in the container to the etching base.

4. The etching apparatus for curved metal according to claim 2, wherein: the liquid feeder is provided with a pressure sensor and a pressure regulator, wherein the pressure sensor is used for sensing etching liquid pressure output by the liquid feeder, and the pressure regulator is used for regulating the pressure of the etching liquid output by the liquid feeder.

5. The etching apparatus for curved metal according to claim 2, wherein: the etching mechanism further comprises a lifting module, wherein the lifting module is arranged on the machine body and used for controlling the etching base to lift so as to adjust the distance between the spray head and the die.

6. The etching apparatus for curved metal according to claim 5, wherein: the lifting module comprises a motor, a screw rod and a guide rail, the etching base is provided with a screw hole, the screw hole is in threaded connection with the screw rod, the etching base is arranged on the guide rail in a sliding mode, and the motor is used for driving the screw rod to rotate so as to drive the etching base to lift.

7. The etching apparatus for curved metal according to claim 1, wherein: the die is detachably arranged on the supporting table.