CN207210557U - A kind of high corrosion-resistant gun barrel RIFLE composite plating layer structure - Google Patents

A kind of high corrosion-resistant gun barrel RIFLE composite plating layer structure Download PDF

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CN207210557U
CN207210557U CN201720341163.5U CN201720341163U CN207210557U CN 207210557 U CN207210557 U CN 207210557U CN 201720341163 U CN201720341163 U CN 201720341163U CN 207210557 U CN207210557 U CN 207210557U
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tin
gun barrel
alloy coating
coating
barrel rifle
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郭崇武
赖奂汶
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Guangzhou Chao Bang Chemical Co Ltd
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Guangzhou Chao Bang Chemical Co Ltd
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Abstract

The utility model discloses a kind of high corrosion-resistant gun barrel RIFLE composite plating layer structure, including parent metal, the bright Zn-Ni alloy coating being plated on described matrix metal surface, the high tin cu-sn alloy coating, the gun barrel RIFLE tin-nickel alloy coating, the envelope enamelled coating that sprays or be immersed on black tin-nickel alloy coating that are plated on the high tin cu-sn alloy coating that are plated on the bright Zn-Ni alloy coating.Coating structure provided by the utility model is according to GB/T 10125-1997《Artificial atmosphere corrosion test salt spray test》Carry out neutral salt spray test 24 hours, the corrosion-free product generation in plating piece surface, corrosion resistance and wearability are more preferable, and have good dicoration, can extend the service life of plating piece.

Description

A kind of high corrosion-resistant gun barrel RIFLE composite plating layer structure
Technical field
The utility model belongs to metal plating field, and in particular to a kind of high corrosion-resistant gun barrel RIFLE composite plating layer structure.
Background technology
Come for the hardware such as automobile, motorcycle, ship equipment, bathhouse article, electrical equipment, furniture, tableware, clock and watch electronic components Say, for the quality of product in addition to base material factor, dicoration, corrosion resistance, wearability also with overlay coating there are much relations.
The existing coating structure of above product is mostly：The cyanide electroplating on parent metal, the acid coppering on cyanide electroplating layer, rolling Plating does not include sour copper；Then the bright nickel plating on copper coating；Ornamental alloy layer is plated on bright nickel coating again.Although this Kind coating structure can play a point protection relative to exposed metallic matrix or for the product of only single coating protection structure Effect and decorative effect, but for steel substrate and metal activity other metallic matrixes higher than steel substrate and Speech, this coating belongs to cathodic electrodeposition coating, poor to matrix protectiveness, arrived product can also be influenceed certainly using the later stage it is attractive in appearance.Cause This, the general mid and low-end products resistance to neutral salt spray time is 8~12 hours, and for requiring the neutral salt spray plating of more than 24 hours Part, then the defects of thicker copper plate and nickel coating are to make up the coating structure is needed, production cost is higher.
Utility model content
In order to overcome, existing metallic matrix coating structure wearability, corrosion resistance are poor, influence the technologies such as decorative effect not Foot, the utility model provide a kind of high corrosion-resistant gun barrel RIFLE composite plating layer structure, improve the wearability, corrosion resistance, decoration of plating piece Property, extend its service life, avoid influenceing decorative effect.
The utility model adopts the following technical scheme that in order to achieve the above object：
A kind of high corrosion-resistant gun barrel RIFLE composite plating layer structure, including parent metal, described matrix metal surface are coated with light Zn-ni alloy depositses, high tin cu-sn alloy coating, the high tin cu-sn alloy coating are coated with the bright Zn-Ni alloy coating On be coated with gun barrel RIFLE tin-nickel alloy coating, spray or be impregnated with envelope enamelled coating on the gun barrel RIFLE tin-nickel alloy coating.
Further, described matrix metal is steel substrate or zinc alloy diecasting matrix.
Further, the bright Zn-Ni alloy coating is prepared by Technology Bright Acidic Zn-ni Alloy Plating, admiro The mass percent of nickel is 10%~15% in coating.
Further, the thickness of the bright Zn-Ni alloy coating is 5~10 μm.
Further, the high tin cu-sn alloy coating plates high tin signal bronze technique using cyaniding and prepared, high tin copper and tin The mass percent of tin is 40%~50% in alloy layer.
Further, the high tin cu-sn alloy coating thickness is 2~8 μm.
Further, the gun barrel RIFLE tin-nickel alloy coating uses pyrophosphate gun barrel RIFLE Tin -- Nickel Alloy Plating Technology system Standby, the mass percent of tin is 65%~75% in gun barrel RIFLE tin-nickel alloy coating.
Further, the gun barrel RIFLE tin-nickel alloy coating thickness is 0.5~2 μm.
Further, the envelope thickness of paint layer is 0.5~2 μm.
The utility model has the advantage of：Admiro is directly coated with steel substrate or zinc alloy diecasting matrix surface Coating, because zn-ni alloy depositses have a higher corrosion resistance in itself, and the coating is with respect to being again positive polarity for steel substrate Coating, therefore, there is higher electro-chemical protection to steel substrate or zinc alloy diecasting matrix, while admiro plates Layer also has higher brightness；High tin cu-sn alloy coating has higher wearability；Gun barrel RIFLE tin-nickel alloy coating is not only Color is graceful, and wearability and corrosion resistance are high, and the dicoration and wearability of coating are made when being used in combination with foregoing two kinds of coating More preferably, corrosion resisting property is more preferable, and outermost layer is additionally provided with envelope enamelled coating；The technical program can be reduced with relatively thin coating structure and is produced into This, elongate member service life, and good decorative effect is kept for a long time, it can preferably meet the requirement of professional standard.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application, Do not form to improper restriction of the present utility model, in the accompanying drawings：
Fig. 1 is the coating structure schematic diagram of the utility model embodiment 1 and embodiment 2.
Embodiment
The utility model is described in detail below in conjunction with accompanying drawing and specific embodiment, herein signal of the present utility model Property embodiment and explanation be used for explaining the utility model, but be not intended as to restriction of the present utility model.
Embodiment 1：
As shown in figure 1, a kind of high corrosion-resistant gun barrel RIFLE composite plating layer structure, including steel substrate 1, it is plated in steel substrate 1 Bright Zn-Ni alloy coating 2 on surface, the high tin cu-sn alloy coating 3 being plated on bright Zn-Ni alloy coating 2, it is plated in high tin Gun barrel RIFLE tin-nickel alloy coating 4 on cu-sn alloy coating 3, the envelope paint for spraying or being immersed on gun barrel RIFLE tin-nickel alloy coating 4 Layer 5.
Described bright Zn-Ni alloy coating 2, using existing preparation technology, and super nation's chemical industry is used Prepared by the Acidic zinc-nickel alloy electroplating technologies of DETRONZIN 1377, the mass percent of nickel is 10%~15% in its coating, plating Thickness degree is 5~10 μm, and the thickness of certain coating can be 6~8 μm.
Described high tin cu-sn alloy coating 3, using existing preparation technology, and the CTA- that super nation's chemical industry is used Prepared by 606 signal bronze electroplating technologies, the mass percent of tin is 40%~50% in its coating, and thickness of coating is 2~8 μm, The thickness of certain coating can be 5~7 μm.
The gun barrel RIFLE tin-nickel alloy coating 4, using existing preparation technology, and the CB rifles that super nation's chemical industry is used Prepared by black Tin -- Nickel Alloy Plating Technology, the mass percent of tin is 65%~75% in coating, and thickness of coating is 0.5~2 μm.
Described envelope enamelled coating 5, commercially available envelope paint product is used to be prepared with existing spray painting or paint-dipping process.
The present embodiment is divided into following steps in concrete operations：
1st, pre-treatment：Iron and steel parts matrix 1 is carried out " alkali electroless oil removing → washing → alkaline anode electrolysis oil removing → The process of washing → pickling → washing → catholyte oil removing → washing → activation → washing ".
2nd, bright Zn-Ni alloy coating 2：Iron and steel parts enter " Bright Zinc-Nickel Electroplating → water after carrying out pre-treatment Wash " process prepare bright Zn-Ni alloy coating 2.
3rd, high tin cu-sn alloy coating 3：Carry out that " 5%~10% sodium hydroxide solution removes to bright Zn-Ni alloy coating 2 The process of the high tin signal bronze → washing of watery hydrochloric acid activation → washing → plating of film → washing → 2%~5% " prepares Gao Xitong Tin alloy coat 3.
4th, gun barrel RIFLE tin-nickel alloy coating 4：Enter " plating gun barrel RIFLE tin-nickel alloy → washing after electroplating high tin signal bronze The process of → drying " prepares gun barrel RIFLE tin-nickel alloy coating 4.
5th, enamelled coating 5 is sealed：The process that " envelope paint → drying " is carried out on gun barrel RIFLE tin-nickel alloy coating 4 prepares envelope enamelled coating 5.
Embodiment 2：
As shown in figure 1, a kind of high corrosion-resistant gun barrel RIFLE composite plating layer structure, including zinc alloy diecasting matrix 1, it is plated in zinc Bright Zn-Ni alloy coating 2 on the surface of alloy pressuring casting matrix 1, the high tin copper and tin being plated on bright Zn-Ni alloy coating 2 are closed Gold plate 3, the gun barrel RIFLE tin-nickel alloy coating 4 being plated on high tin cu-sn alloy coating 3, spray or be immersed in the conjunction of gun barrel RIFLE tin nickel Envelope enamelled coating 5 on gold plate 4.
Described bright Zn-Ni alloy coating 2, using existing preparation technology, and super nation's chemical industry is used Prepared by the Acidic zinc-nickel alloy electroplating technologies of DETRONZIN 1377, the mass percent of nickel is 10%~15% in its coating, plating Thickness degree is 5~10 μm, and the thickness of certain coating can be 6~8 μm.
Described high tin cu-sn alloy coating 3, using existing preparation technology, and the CTA- that super nation's chemical industry is used Prepared by 606 signal bronze electroplating technologies, the mass percent of tin is 40%~50% in its coating, and thickness of coating is 2~8 μm, The thickness of certain coating can be 5~7 μm.
The gun barrel RIFLE tin-nickel alloy coating 4, using existing preparation technology, and the CB rifles that super nation's chemical industry is used Prepared by black Tin -- Nickel Alloy Plating Technology, the mass percent of tin is 65%~75% in coating, and thickness of coating is 0.5~2 μm.
Described envelope enamelled coating 5, commercially available envelope paint product is used to be prepared with existing spray painting or paint-dipping process.
The present embodiment is divided into following steps in concrete operations：
1st, pre-treatment：" electrochemical deoiling → washing → etch → washing → bleaching → water is carried out to zinc alloy diecasting matrix 1 Wash " conventional processes.
2nd, bright Zn-Ni alloy coating 2：Enter " Bright Zinc-Nickel Electroplating → washing " after zinc alloy diecasting pre-treatment Process prepare bright Zn-Ni alloy coating 2.
3rd, high tin cu-sn alloy coating 3：Carry out that " 5%~10% sodium hydroxide solution removes to bright Zn-Ni alloy coating 2 The process of the high tin signal bronze → washing of watery hydrochloric acid activation → washing → plating of film → washing → 2%~5% " prepares Gao Xitong Tin alloy coat 3.
4th, gun barrel RIFLE tin-nickel alloy coating 4：Enter " plating gun barrel RIFLE tin-nickel alloy → washing after electroplating high tin signal bronze The process of → drying " prepares gun barrel RIFLE tin-nickel alloy coating 4.
5th, enamelled coating 5 is sealed：The process that " envelope paint → drying " is carried out on gun barrel RIFLE tin-nickel alloy coating 4 prepares envelope enamelled coating 5.
According to GB/T 10125-1997《Artificial atmosphere corrosion test salt spray test》To the plating in embodiment 1 and embodiment 2 Part carries out neutral salt spray test 24h, the corrosion-free product generation in plating piece surface.The coating structure of the technical program is cost-effective In the case of, hence it is evident that the corrosion resistance of coating is improved, the service life of plating piece can be extended, improves decorative effect.
The technical scheme provided above the utility model embodiment is described in detail, used herein specifically Individual example is set forth to the principle and embodiment of the utility model embodiment, and the explanation of above example is only applicable to help Assistant solves the principle of the utility model embodiment；Meanwhile for those of ordinary skill in the art, implement according to the utility model Example, the there will be changes in embodiment and application, in summary, this specification content should not be construed as To limitation of the present utility model.

Claims (9)

  1. A kind of 1. high corrosion-resistant gun barrel RIFLE composite plating layer structure, it is characterised in that：
    Including parent metal, described matrix metal surface is coated with bright Zn-Ni alloy coating, on the bright Zn-Ni alloy coating High tin cu-sn alloy coating is coated with, gun barrel RIFLE tin-nickel alloy coating, the gun barrel RIFLE are coated with the high tin cu-sn alloy coating Envelope enamelled coating is sprayed or is impregnated with tin-nickel alloy coating.
  2. A kind of 2. high corrosion-resistant gun barrel RIFLE composite plating layer structure as claimed in claim 1, it is characterised in that：
    Described matrix metal is steel substrate or zinc alloy diecasting matrix.
  3. A kind of 3. high corrosion-resistant gun barrel RIFLE composite plating layer structure as claimed in claim 1, it is characterised in that：
    The bright Zn-Ni alloy coating is prepared by Technology Bright Acidic Zn-ni Alloy Plating, nickel in bright Zn-Ni alloy coating Mass percent is 10%~15%.
  4. A kind of 4. high corrosion-resistant gun barrel RIFLE composite plating layer structure as claimed in claim 1, it is characterised in that：
    The thickness of the bright Zn-Ni alloy coating is 5~10 μm.
  5. A kind of 5. high corrosion-resistant gun barrel RIFLE composite plating layer structure as claimed in claim 1, it is characterised in that：
    The high tin cu-sn alloy coating plates high tin signal bronze technique using cyaniding and prepared, tin in high tin cu-sn alloy coating Mass percent is 40%~50%.
  6. A kind of 6. high corrosion-resistant gun barrel RIFLE composite plating layer structure as claimed in claim 5, it is characterised in that：
    The high tin cu-sn alloy coating thickness is 2~8 μm.
  7. A kind of 7. high corrosion-resistant gun barrel RIFLE composite plating layer structure as claimed in claim 1, it is characterised in that：
    The gun barrel RIFLE tin-nickel alloy coating is prepared using pyrophosphate gun barrel RIFLE Tin -- Nickel Alloy Plating Technology, and gun barrel RIFLE tin nickel closes The mass percent of tin is 65%~75% in gold plate.
  8. A kind of 8. high corrosion-resistant gun barrel RIFLE composite plating layer structure as claimed in claim 1, it is characterised in that：
    The gun barrel RIFLE tin-nickel alloy coating thickness is 0.5~2 μm.
  9. A kind of 9. high corrosion-resistant gun barrel RIFLE composite plating layer structure as claimed in claim 1, it is characterised in that：
    The envelope thickness of paint layer is 0.5~2 μm.
CN201720341163.5U 2017-04-01 2017-04-01 A kind of high corrosion-resistant gun barrel RIFLE composite plating layer structure Active CN207210557U (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720341163.5U CN207210557U (en) 2017-04-01 2017-04-01 A kind of high corrosion-resistant gun barrel RIFLE composite plating layer structure

Publications (1)

Publication Number Publication Date
CN207210557U true CN207210557U (en) 2018-04-10

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