CN216129687U

CN216129687U - Production line for preparing invar alloy coiled material by electroforming deposition method

Info

Publication number: CN216129687U
Application number: CN202121594721.1U
Authority: CN
Inventors: 李南; 杨建平; 陈旭; 陈庆中
Original assignee: Anhui Jingzhuo Optical Display Technology Co Ltd
Current assignee: Anhui Jingzhuo Optical Display Technology Co Ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-03-25
Anticipated expiration: 2031-07-12

Abstract

The utility model relates to the technical field of invar alloy production, and discloses a production line for preparing an invar alloy coiled material by an electroforming deposition method, which comprises the following steps: the conductive layer sputtering device is used for sputtering a conductive layer on the base material in a roll-to-roll mode to form a conductive base material; the passivation cleaning device is used for passivating and washing the conductive layer on the conductive substrate in a roll-to-roll mode to obtain a passivated substrate; the electroforming device is used for electroforming the invar alloy to the surface of the passivated base material in a roll-to-roll mode after the passivated base material is electrified to obtain an electroformed coiled material; the die separating device is used for separating the invar alloy and the base material on the electroforming coiled material in a roll-to-roll mode; the production speed is improved, and the invar alloy can be prevented from being broken when peeled off.

Description

Production line for preparing invar alloy coiled material by electroforming deposition method

Technical Field

The utility model relates to the technical field of invar alloy production, in particular to a production line for preparing an invar alloy coiled material by an electroforming deposition method.

Background

The iron-nickel alloy is also called invar alloy, and the alloy composition of the iron-nickel alloy is 36 percent of nickel and 64 percent of iron, and the iron-nickel alloy has an ultra-low thermal expansion coefficient of 1.5 multiplied by 10 within the range of 0 to 400 DEG C^-6the/K is widely applied to manufacturing precision parts; at present, the invar alloy coiled material is generally prepared by a mechanical rolling method and an electroforming method.

Electroforming refers to a process of performing electrodeposition on a mandrel and then separation to manufacture a metal product. The electroforming coiled material product has the characteristics of low cost, low surface roughness, uniform thickness and large thickness and width adjustment range. The ease of electroforming is mainly related to the properties of the metal deposited during electroforming, as well as to the electrolyte composition, pH, temperature, current density, etc. during electroforming.

The invar alloy coiled material prepared by the mechanical rolling method can be prepared only by a plurality of procedures of melting, casting, forging, repeated rolling and the like.

In the prior art, when the invar alloy is electroformed, a single plane substrate is generally electroformed, and then the invar alloy is stripped, which can not be continuously produced and has low efficiency; in the more advanced technology, the method adopts a coiled material mode for production, a rotatable cathode metal roller is immersed into electroforming solution, invar alloy is directly generated on the cathode metal roller and is simultaneously stripped, the invar alloy is easily broken when being stripped, and the cost for replacing the cathode metal roller is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a production line for preparing an invar alloy coiled material by an electroforming deposition method.

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

a production line for preparing invar alloy coiled materials by an electroforming deposition method comprises the following steps:

the conductive layer sputtering device is used for sputtering a conductive layer on the base material in a roll-to-roll mode to form a conductive base material;

the passivation cleaning device is used for passivating and washing the conductive layer on the conductive substrate in a roll-to-roll mode to obtain a passivated substrate;

the electroforming device is used for electroforming the invar alloy to the surface of the passivated base material in a roll-to-roll mode after the passivated base material is electrified to obtain an electroformed coiled material;

and the die separating device is used for separating the invar alloy and the base material on the electroforming coiled material in a roll-to-roll mode.

Further, the conducting layer sputtering device comprises a substrate material discharging roller for discharging the substrate material, a conducting substrate material receiving roller for rolling the conducting substrate material, and a nickel plating cavity which is arranged between the substrate material discharging roller and the conducting substrate material receiving roller and is used for sputtering the conducting layer on the substrate material; the conductive layer is a nickel metal layer; the conductive layer serves as a seed layer for electroforming.

Further, the base material is covered with a protective film; the conducting layer sputtering device comprises a first protective film roller for rolling the protective film and a second protective film roller for unreeling the protective film.

Further, the passivation cleaning device comprises a conductive substrate discharging roller for discharging the conductive substrate, a passivation substrate receiving roller for rolling the passivation substrate, a passivation cavity, a cleaning cavity and a drying cavity, wherein the passivation cavity is arranged between the conductive substrate discharging roller and the passivation substrate receiving roller in sequence and used for spraying passivation liquid on the surface of the conductive layer, the cleaning cavity is used for washing the surface of the conductive layer through cleaning liquid, and the drying cavity is used for drying the passivation coiled material; passivation of the conductive layer is beneficial to subsequent invar alloy glass.

Furthermore, the electroforming device comprises a passivation substrate discharging roller for discharging a passivation substrate, an electroforming coiled material collecting roller for rolling an electroforming coiled material, an electroforming cavity for containing electroforming liquid, and a nickel metal anode and an iron metal anode which are immersed in the electroforming liquid.

Further, the electroforming device also comprises a circulating device and a heating device which are arranged in the electroforming cavity; can control the temperature and the uniformity of the electroforming solution and improve the electroforming quality.

Furthermore, the die separating device comprises an electroforming coiled material discharging roller for unreeling the electroforming coiled material, an invar alloy collecting roller for reeling the invar alloy and a base material collecting roller for reeling the base material.

Compared with the prior art, the utility model has the beneficial technical effects that:

1. according to the utility model, by utilizing a roll-to-roll production mode, a conductive layer sputtering device is used for sputtering a base material, an invar alloy is electroformed on the base material by the electroforming device, and the invar alloy is separated by a die separation device; not only improves the production speed, but also can avoid the fracture generated when the invar alloy is stripped.

2. The production mode of directly stripping invar alloy on the cathode metal roller can cause the surface of the cathode metal roller to be worn, and the replacement cost is high; the base material can be recycled after production is finished, and the replacement cost is low.

Drawings

FIG. 1 is a schematic structural diagram of a conductive layer sputtering apparatus according to the present invention;

FIG. 2 is a schematic structural diagram of the passivation cleaning device of the present invention;

FIG. 3 is a schematic view showing the structure of an electrocasting apparatus according to the present invention;

FIG. 4 is a schematic structural diagram of the mold splitting apparatus of the present invention.

Detailed Description

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

The roll-to-roll mode refers to a mode that the feeding and the receiving are both in a roll form and are characterized by continuity and uninterrupted, specifically, the feeding roll is unreeled through a roller, and the receiving roll is reeled through the roller.

Specifically, the following three modes can be specifically understood when the utility model is embodied:

(1) the conducting layer sputtering device, the passivation cleaning device, the electroforming device and the die separation device can be respectively produced in a roll-to-roll mode, namely, each device is provided with a pair of discharging coiled materials and receiving coiled materials;

(2) more than two devices of the conducting layer sputtering device, the passivation cleaning device, the electroforming device and the die separation device share a pair of discharging coiled materials and receiving coiled materials;

(3) the whole production line shares a pair of discharging coiled materials and receiving coiled materials.

The present invention will be described by taking the first embodiment as an example.

As shown in fig. 1, 2, 3 and 4, the production line comprises a conductive layer sputtering device, a passivation cleaning device, an electroforming device and a mold splitting device.

The conductive layer sputtering device comprises a base material discharging roller 11, a nickel plating cavity 13, a conductive base material receiving roller 15, a first protective film roller 12 and a second protective film roller 14; the substrate is sleeved on the substrate discharging roller in a coiled material mode, and a conductive layer serving as a seed layer, namely a nickel metal layer, is formed on the surface of the substrate through the nickel plating cavity 13; after the conductive base material is formed, the conductive base material is rolled on a conductive base material receiving roller 15 in a coiled material mode; the base material is PET.

The surface of the base material is provided with a protective film, the protective film is required to be rolled up through a first protective film roller 12 before the conductive layer is sputtered, after the conductive layer is sputtered, a second protective film roller 14 unwinds the protective film, and when the conductive base material is rolled up, the protective film is rolled up together to protect the conductive layer and prevent the conductive layer of the conductive base material from being damaged in the transfer process; the protective film is made of PE.

The passivation cleaning device comprises a conductive substrate discharging roller 21, a passivation cavity 23, a cleaning cavity 24, a drying cavity 25, a passivation substrate receiving roller 26 and a third protective film roller 22. Transferring the conductive base material on the conductive base material receiving roller 15 to a conductive base material discharging roller 21, passivating the surface of the conductive layer by a passivation solution in a passivation cavity 23 when the conductive base material passes through the passivation cavity 23, washing by a cleaning cavity 24, blowing and drying by a drying cavity 25 to obtain a passivated base material, and rolling the passivated base material onto a passivated base material receiving roller 26; the passivation solution in the passivation cavity 23 can be recycled; passivating the conductive layer can facilitate later stripping of the invar alloy.

The surface of the conductive substrate has a protective film, and the protective film needs to be rolled up by a third protective film roller 22 before passivation.

The electroforming device comprises a passivation substrate discharging roller 32, an electroforming coiled material collecting roller 33, an electroforming cavity 31, a nickel metal anode 34, an iron metal anode 35, a circulating device and a heating device. The passivated substrate on the passivated substrate receiving roller 26 is transferred to a passivated substrate discharging roller 32, the passivated substrate is subjected to invar alloy electroforming through electroforming liquid after being electrified, the circulating device and the heating device can ensure that the components of the electroforming liquid are uniform, and an electroformed coiled material obtained after electroforming is coiled on an electroformed coiled material receiving roller 33.

The die parting device comprises an electroforming coiled material discharging roller 41, an invar alloy receiving roller 43 and a base material receiving roller 42; the electroformed coil on the electroformed coil take-up roll 33 is transferred to an electroformed coil discharge roll 41, and invar and the base material are taken up by an invar alloy take-up roll 43 and a base material take-up roll 42, respectively, so that the base material and the invar are peeled off. The die parting device is also provided with a cleaning cavity and a drying cavity, and the invar alloy is cleaned and dried before being rolled.

In each of the above-mentioned apparatuses, there are some auxiliary rollers, for example, a protective film auxiliary roller 51 is provided at a position where the protective film is separated and the protective film is attached, a peeling auxiliary roller 53 is provided at a position where invar is peeled from the base material, and further, there are some supporting auxiliary rollers 52 for supporting.

Of course, the present invention can also be produced in the second and third ways.

When the third mode is adopted for production, the conductive substrate receiving roller 15, the conductive substrate discharging roller 21, the passivation substrate receiving roller 26, the passivation substrate discharging roller 32, the electroforming coiled material receiving roller 33, the electroforming coiled material discharging roller 41, the second protective film roller 14 and the third protective film roller 22 can be omitted, the substrate continuously and uninterruptedly passes through the conductive layer sputtering device, the passivation cleaning device, the electroforming device and the mold separating device, a final product is obtained, and the substrate is recovered. The second method is the same as the above.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A production line for preparing an invar alloy coiled material by an electroforming deposition method is characterized by comprising the following steps:

2. A production line for producing invar alloy coils by the electroforming deposition method according to claim 1, wherein: the conductive layer sputtering device comprises a substrate material discharging roller for discharging the substrate material, a conductive substrate material receiving roller for rolling the conductive substrate material, and a nickel plating cavity which is arranged between the substrate material discharging roller and the conductive substrate material receiving roller and is used for sputtering the conductive layer on the substrate material; the conducting layer is a nickel metal layer.

3. The production line for producing invar alloy coils by the electroforming deposition method according to claim 2, wherein: the base material is covered with a protective film; the conducting layer sputtering device comprises a first protective film roller for rolling the protective film and a second protective film roller for unreeling the protective film.

4. A production line for producing invar alloy coils by the electroforming deposition method according to claim 1, wherein: the passivation cleaning device comprises a conductive substrate discharging roller for discharging a conductive substrate, a passivation substrate receiving roller for winding a passivation substrate, and a passivation cavity, a cleaning cavity and a drying cavity, wherein the passivation cavity is arranged between the conductive substrate discharging roller and the passivation substrate receiving roller in sequence and used for spraying passivation liquid on the surface of the conductive layer, the cleaning cavity is used for washing the surface of the conductive layer through cleaning liquid, and the drying cavity is used for drying a passivation coiled material.

5. A production line for producing invar alloy coils by the electroforming deposition method according to claim 1, wherein: the electroforming device comprises a passivation substrate discharging roller for unreeling passivation substrates, an electroforming coiled material collecting roller for reeling electroforming coiled materials, an electroforming cavity for containing electroforming liquid, a nickel metal anode and an iron metal anode immersed in the electroforming liquid.

6. The production line for producing invar alloy coils by the electroforming deposition method according to claim 5, wherein: the electroforming device also comprises a circulating device and a heating device which are arranged in the electroforming cavity.

7. A production line for producing invar alloy coils by the electroforming deposition method according to claim 1, wherein: the die separating device comprises an electroforming coiled material discharging roller for unreeling an electroforming coiled material, an invar alloy collecting roller for reeling invar alloy and a base material collecting roller for reeling a base material.