CN216141618U - Titanium alloy casing sub-assembly chemical nickel plating inner chamber protection frock - Google Patents
Titanium alloy casing sub-assembly chemical nickel plating inner chamber protection frock Download PDFInfo
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- CN216141618U CN216141618U CN202120990210.5U CN202120990210U CN216141618U CN 216141618 U CN216141618 U CN 216141618U CN 202120990210 U CN202120990210 U CN 202120990210U CN 216141618 U CN216141618 U CN 216141618U
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- tool
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- shell assembly
- protection
- nickel plating
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Abstract
The utility model belongs to the technical field of surface treatment, and relates to a chemical nickel plating inner cavity protection tool for a shell assembly. The tool is made of an acid-alkali-resistant adhesive material, the adhesive is resistant to temperature of 90-120 ℃, the titanium alloy shell assembly is heated to 200 ℃, the high-temperature-resistant and corrosion-resistant adhesive material is coated in the inner cavity of the assembly in a protective mode for 3-5 times, the thickness of the adhesive is within the range of (1.5-3) mm, the temperature is reduced to room temperature along with the cooling of a furnace, the tool is stripped along with the part-shaped adhesive, and the tool can be repeatedly used for 4-5 times in a nickel plating solution at the temperature of 91-95 ℃. By the method, the problems of complex inner cavity structure, tedious manual protection and leakage protection of the original shell assembly can be effectively solved, the production efficiency and the protection effect are greatly improved, the fit degree of the complex inner cavity structure of the shell assembly and the tool is effectively ensured, and the accuracy of the protection position of the shell assembly is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of surface treatment, and relates to a titanium alloy shell assembly chemical nickel plating inner cavity protection tool.
Background
Local chemical nickel plating of casing sub-assembly, chemical nickel plating bath liquid temperature is high (91 ~ 95) ° C, and the protection is difficult, and in the nickel plating process, protective material is out of shape easily, leads to non-plating surface solution seepage, appears the nickel layer. Meanwhile, the gap of the shell of the assembly is large, the colloid in the gap of the traditional gluing process is difficult to remove, and the volatilization of the colloid in the subsequent vacuum furnace influences the product quality on one hand and pollutes the vacuum furnace on the other hand.
Disclosure of Invention
The purpose of the utility model is: the utility model provides a casing sub-assembly titanium alloy chemical nickel plating frock, through the adjustment of frock selection of material, the frock forming mode is simple, avoids the clearance colloid process, improves the laminating degree of frock and casing in the casing sub-assembly titanium alloy chemical nickel plating process, improves sub-assembly protective capacities and production efficiency.
In order to solve the technical problem, the technical scheme of the utility model is as follows:
the utility model provides a titanium alloy casing sub-assembly chemical nickel plating inner chamber protection frock, inner chamber protection frock material is acid and alkali-resistance, the gluey material of resistant 90 ~ 120 ℃ high temperature, inner chamber protection frock thickness is 1.5 ~ 3mm, inner chamber protection frock shape and casing sub-assembly inner chamber structure keep unanimous, further promote casing sub-assembly structure and frock laminating degree.
The glue material comprises the following components in percentage by mass: the weight percentage of the green-hook colloid is 73-82%, the weight percentage of the liquid silicone rubber is 4-8%, the weight percentage of the epoxy resin is 4-10%, the weight percentage of the water is 8-14%, and the weight percentage of the polyurethane is 2-7%.
Preferably, the glue material comprises the following components in percentage by mass: 72-75% of green-hooked colloid, 4-6% of liquid silicone rubber, 5-8% of epoxy resin, 8-11% of water and 3-5% of polyurethane.
Preferably, the glue material comprises the following components in percentage by mass: 75% of green-crocheted colloid, 6% of liquid silicon rubber, 6% of epoxy resin, 9% of water and 4% of polyurethane.
Before the inner cavity protection tool is prepared, the shell assembly is firstly placed into a heating furnace to be heated for 90-120 min at the temperature of 100-150 ℃.
The shell assembly is uniformly hot-dipped in the glue liquid, and the process from discharging to soaking and forming is completed within 5 min. And local brushing is required to be carried out on the position where the local immersion colloid exists in the bubbles, and the bubbles are ejected.
And standing and curing the inner cavity protection tool at room temperature for 90-120 min after the inner cavity protection tool is formed.
Preferably, the heating furnace adopts a blast drying oven
The inner cavity protection tool can be used repeatedly.
The utility model has the beneficial effects that: according to the inner cavity protection tool for the titanium alloy chemical nickel plating of the shell assembly, a rubber material is selected as a tool material, and the rubber material is used for hot film forming to replace the original gum dipping method for gluing, so that the protection capability of the tool is improved. Prevent that the frock from appearing the colloid in the clearance process of sub-assembly recess inner chamber and adhering, influencing product quality, causing vacuum furnace pollution in the follow-up chemical nickel plating dehydrogenation. Through the use of the tool, the effective protection of the chemical nickel plating of the shell assembly can be effectively ensured, the adhesive film is tightly attached to the inner cavity of the assembly, the accuracy of the protection position of the shell assembly is effectively improved, and the protection effect in the chemical nickel plating solution at high temperature is ensured.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiment of the present invention will be briefly explained. It is obvious that the drawings described below are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a view of a titanium alloy housing assembly;
FIG. 2 is a tooling diagram;
FIG. 3 is a schematic view of the protection of the tool and the part combination;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
wherein, 1-tooling, 2-parts and 3-nickel plating positions.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Features of various aspects of embodiments of the utility model will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these specific details. The following description of the embodiments is merely intended to better understand the present invention by illustrating examples thereof. The present invention is not limited to any particular arrangement or method provided below, but rather covers all product structures, any modifications, alterations, etc. of the method covered without departing from the spirit of the utility model.
In the drawings and the following description, well-known structures and techniques are not shown to avoid unnecessarily obscuring the present invention.
The utility model is further illustrated by the following examples:
referring to fig. 1, which is a top view of a titanium alloy housing assembly, the two locations 3 of fig. 2 that need to be plated with nickel are plated with nickel on the journal surface of the chemical cavity.
1. The tool is made of a high-temperature-resistant, acid-base-resistant and elastic suitable rubber material, and the rubber material comprises the following components in percentage by mass: 75% of green-crocheted colloid, 6% of liquid silicon rubber, 6% of epoxy resin, 9% of water and 4% of polyurethane.
2. The forming mode of the tool is a thermal film forming mode, and the shell assembly is placed in an air blowing drying oven to be heated for 90-120 min at 100-150 ℃.
3. And completing the process of immersing the part into the glue material liquid within 5 minutes after the part is taken out of the furnace, and locally brushing and expelling bubbles at the position where bubbles exist in the locally immersed glue.
4. And standing and curing the molded tooling at room temperature for 90-120 min.
FIGS. 3-4 are schematic views of the tool, the thickness of the formed tool is 1.8mm, and the tool can be repeatedly used in nickel plating solution at 91-95 ℃ for 4-5 times.
The effective protection of the chemical nickel plating of the shell assembly is effectively ensured through tool optimization, the adhesive film is tightly attached to the inner cavity of the assembly, the accuracy of the protection position of the shell assembly is effectively improved as shown in a combined diagram of the tool and the shell assembly shown in fig. 4, the protection effect in the chemical nickel plating solution at high temperature is ensured, and the protection time is shortened from original 72 hours to 4 hours.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention.
Claims (2)
1. The inner cavity protection tool for the chemical nickel plating of the titanium alloy shell assembly is characterized in that the shape of the inner cavity protection tool is consistent with the inner cavity structure of the shell assembly, the thickness of the inner cavity protection tool is 1.5-3 mm, and the inner cavity protection tool is made of an acid-base-resistant and 90-120 ℃ high-temperature-resistant rubber material.
2. The tool according to claim 1, wherein the shell assembly is heated in a heating furnace before the inner cavity protection tool is manufactured; the heating furnace adopts a blast drying oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120990210.5U CN216141618U (en) | 2021-05-10 | 2021-05-10 | Titanium alloy casing sub-assembly chemical nickel plating inner chamber protection frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120990210.5U CN216141618U (en) | 2021-05-10 | 2021-05-10 | Titanium alloy casing sub-assembly chemical nickel plating inner chamber protection frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216141618U true CN216141618U (en) | 2022-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120990210.5U Active CN216141618U (en) | 2021-05-10 | 2021-05-10 | Titanium alloy casing sub-assembly chemical nickel plating inner chamber protection frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216141618U (en) |
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2021
- 2021-05-10 CN CN202120990210.5U patent/CN216141618U/en active Active
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