阅读说明：本技术 新能源汽车雨刮器喷嘴及其成型工艺 (New energy automobile windscreen wiper nozzle and forming process thereof ) 是由 谢万桥 于 2021-08-24 设计创作，主要内容包括：新能源汽车雨刮器喷嘴及其成型工艺,属于汽车雨刮器喷嘴技术领域。该喷嘴包括一体成型的球体和喷水柱,所述球体和喷水柱内贯穿有喷水槽,所述喷水槽的进水端为喇叭状结构,喷水槽的出水端为倒角结构。本发明具有以下有益效果：1)原材料使用HBi60-1.3,含铅量极低小于80ppm,汞含量小于2ppm,环保,且利于提高加工精度；2)车削程序的控制,有利于保证产品的稳定和一致性,提高工作效率；3)电镀铜底6-10μm,亮镍6-10um,水性封闭剂处理,延长其使用寿命；4)喷水槽3出水端倒角在C0.03mm以下,当水压1par时,从孔中喷出的水能够聚集,喷水的出口交度与孔壁相同,实现精准喷水。(A new energy automobile windscreen wiper nozzle and a forming process thereof belong to the technical field of automobile windscreen wiper nozzles. The nozzle comprises a ball body and a water spraying column which are integrally formed, wherein a water spraying groove penetrates through the ball body and the water spraying column, the water inlet end of the water spraying groove is of a horn-shaped structure, and the water outlet end of the water spraying groove is of a chamfer structure. The invention has the following beneficial effects: 1) the raw material is HBi60-1.3, the lead content is extremely low and is less than 80ppm, the mercury content is less than 2ppm, the environment is protected, and the processing precision is improved; 2) the control of the turning program is beneficial to ensuring the stability and consistency of products and improving the working efficiency; 3) electroplating copper bottom 6-10 μm and bright nickel 6-10 μm, and treating with water-based sealant to prolong its service life; 4) the chamfer angle of the water outlet end of the water spraying groove 3 is less than C0.03mm, when the water pressure is 1par, the water sprayed out of the hole can be gathered, the intersection degree of the water spraying outlet is the same as the hole wall, and accurate water spraying is realized.)

1. New energy automobile wiper nozzle, its characterized in that this nozzle includes integrated into one piece's spheroid (1) and water spray column (2), it has water spout (3) to run through in spheroid (1) and water spray column (2), the end of intaking of water spout (3) is horn-shaped structure (301), and the play water end of water spout (3) is chamfer structure (302).

2. The new energy automobile wiper nozzle as claimed in claim 1, wherein the chamfer structure (302) C is 0.76-0.79 mm.

3. The forming process of the new energy automobile wiper nozzle as claimed in claim 1, characterized by comprising the following steps:

1) checking the HBi60-1.3 copper bar, and keeping qualified products for later use;

2) turning, forming and drilling the HBi60-1.3 copper bar, wherein the forming treatment enables the copper bar to form a sphere (1) and a water spray column (2) structure, and the drilling treatment enables the copper bar to form a water spray groove (3) structure;

3) cleaning;

4) drying;

5) performing surface electroplating treatment and aqueous sealant treatment;

6) and (5) inspecting and processing to obtain the new energy automobile wiper nozzle.

4. The forming process of the new energy automobile wiper nozzle as claimed in claim 3, wherein the HBi60-1.3 copper bar is taken in step 1) and tested, and if the components are the following standards, the product is qualified and ready for use: 59-62% of Cu; pb is less than or equal to 0.05 percent; 0.3 to 2.3 percent of Bi; fe is less than or equal to 0.1 percent; cd is less than or equal to 0.0005 percent; 0.05-1.2% of Sb + B + Ni + Sn; the balance of Zn.

5. The forming process of the new energy automobile wiper nozzle as claimed in claim 3, wherein the specific procedures in the step 2) are as follows: positioning a center drill, wherein the feeding amount is 0.04-0.08 mm; drilling, wherein the feeding amount is 0.03-0.07 mm; processing by an outer circular cutter; molding cutter treatment, wherein the feeding amount is 0.03-0.06 mm; chamfering, wherein the feeding amount is 0.04-0.08 mm; cutting off the cutter, wherein the feeding amount is 0.03-0.06 mm; positioning the center drill, and feeding the workpiece by 0.03-0.07 mm.

6. The forming process of the new energy automobile wiper nozzle as claimed in claim 3, wherein in the step 5), the copper plating is performed with a copper bottom of 6-10 μm and bright nickel of 6-10 μm.

Technical Field

The invention belongs to the technical field of automobile windscreen wiper nozzles, and particularly relates to a new energy automobile windscreen wiper nozzle and a forming process thereof.

Background

The nozzle is mainly used for automobile lamps, front windshields and rear windshields, and washing liquid is sprayed to the surfaces of the glass through the nozzle, and then dirt on the surfaces of the glass is wiped through the windscreen wiper. Different vehicle models are often provided with different numbers of nozzles with different specifications, and the positions of the nozzles required to spray the cleaning solution are different. Therefore, during automobile production, the spray angle of the nozzles at different positions of different automobile models needs to be adjusted, and under the condition that the spray pressure of the cleaning solution is fixed, the spray positions of the cleaning solution are unified by adjusting the spray angle of the nozzles.

However, the nozzle of the automobile windscreen wiper in the prior art has the problems of low processing efficiency, low precision, easy corrosion and the like due to the influence of the process.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to design and provide a technical scheme of a new energy automobile wiper nozzle and a forming process thereof.

The invention is realized by the following technical scheme:

the novel energy automobile windscreen wiper nozzle comprises a ball body and a water spraying column which are integrally formed, a water spraying groove penetrates through the ball body and the water spraying column, the water inlet end of the water spraying groove is of a horn-shaped structure, and the water outlet end of the water spraying groove is of a chamfer structure.

Further, the chamfer structure C is 0.76-0.79 mm.

The forming process of the new energy automobile windscreen wiper nozzle comprises the following steps:

1) checking the HBi60-1.3 copper bar, and keeping qualified products for later use;

2) turning and forming and drilling the HBi60-1.3 copper bar, wherein the forming treatment enables the copper bar to form a sphere and a water spraying column structure, and the drilling treatment enables the copper bar to form a water spraying groove structure;

3) cleaning;

4) drying;

5) performing surface electroplating treatment and aqueous sealant treatment;

6) and (5) inspecting and processing to obtain the new energy automobile wiper nozzle.

Further, HBi60-1.3 copper bars are taken in the step 1) for inspection, and if the components are the following standards, the copper bars are qualified products for standby: 59-62% of Cu; pb is less than or equal to 0.05 percent; 0.3 to 2.3 percent of Bi; fe is less than or equal to 0.1 percent; cd is less than or equal to 0.0005 percent; 0.05-1.2% of Sb + B + Ni + Sn; the balance of Zn.

Further, the turning specific procedures in the step 2) are as follows: positioning a center drill, wherein the feeding amount is 0.04-0.08 mm; drilling, wherein the feeding amount is 0.03-0.07 mm; processing by an outer circular cutter; molding cutter treatment, wherein the feeding amount is 0.03-0.06 mm; chamfering, wherein the feeding amount is 0.04-0.08 mm; cutting off the cutter, wherein the feeding amount is 0.03-0.06 mm; positioning the center drill, and feeding the workpiece by 0.03-0.07 mm.

Further, 6-10 μm of copper bottom and 6-10um of bright nickel are electroplated in the step 5).

The invention has the following beneficial effects:

1) the raw material is HBi60-1.3, the lead content is extremely low and is less than 80ppm, the mercury content is less than 2ppm, the environment is protected, and the processing precision is improved;

2) the control of the turning program is beneficial to ensuring the stability and consistency of products and improving the working efficiency;

3) electroplating copper bottom 6-10 μm and bright nickel 6-10 μm, and treating with water-based sealant to prolong its service life;

4) the chamfer angle of the water outlet end of the water spraying groove 3 is less than C0.03mm, when the water pressure is 1par, the water sprayed out of the hole can be gathered, the intersection degree of the water spraying outlet is the same as the hole wall, and accurate water spraying is realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of A-A in FIG. 1.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1, the new energy vehicle wiper nozzle includes a sphere 1 and a water spray post 2 which are integrally formed, a water spray groove 3 penetrates through the sphere 1 and the water spray post 2, a water inlet end of the water spray groove 3 is a horn-shaped structure 301, and a water outlet end of the water spray groove 3 is a chamfer structure 302. The angle of the horn-shaped structure 301 is 120 degrees, and the horn-shaped structure 301 is arranged to facilitate water to enter the water spraying column 2. The chamfer structure 302C is 0.76-0.79mm, when the water pressure is 1par, the water sprayed out of the hole can be gathered, the outlet intersection degree of the sprayed water is the same as the hole wall, and the accurate water spraying is realized. The diameter of the ball 1 is 3.2mm, the total height of the ball 1 and the water spray column 2 is 3.7mm, and the diameter of the water spray groove 3 is 2.0 mm.

The forming process of the wiper nozzle of the new energy automobile comprises the following steps:

1) checking an HBi60-1.3 copper bar, and using qualified products for later use, wherein the standard of the qualified products is Cu 59-62%; pb is less than or equal to 0.05 percent; 0.3 to 2.3 percent of Bi; fe is less than or equal to 0.1 percent; cd is less than or equal to 0.0005 percent; 0.05-1.2% of Sb + B + Ni + Sn; the balance of Zn;

2) turning and drilling the HBi60-1.3 copper bar, wherein the turning procedure is positioning center drilling treatment, and the feeding amount is 0.04-0.08mm, the forming treatment enables the copper bar to form a sphere 1 and water spray column 2 structure, and the drilling treatment enables the copper bar to form a water spray groove 3 structure; drilling, wherein the feeding amount is 0.03-0.07 mm; processing by an outer circular cutter; molding cutter treatment, wherein the feeding amount is 0.03-0.06 mm; chamfering, wherein the feeding amount is 0.04-0.08 mm; cutting off the cutter, wherein the feeding amount is 0.03-0.06 mm; positioning the center drill, wherein the feeding amount is 0.03-0.07 mm;

3) cleaning: cleaning sequentially by adopting a hand washing tank, a magnetic grinding machine and a deoiling centrifugal machine;

4) drying: setting the drying temperature to be 90-110 ℃ and the drying time to be 15 min;

5) electroplating the surface, and treating with water-based sealant, specifically 6-10 μm copper plating bottom and 6-10 μm bright nickel, wherein the water-based sealant is TXY-3, TXY-6, TXY-8, TXY-16, TXY-18, neutral salt spray is not oxidized at 35 + -2 deg.C and 100H; the acid salt spray is not oxidized at 50 +/-2 ℃ and 10H;

6) and (5) inspecting and processing to obtain the new energy automobile wiper nozzle.

The invention has the following beneficial effects:

1) the raw material is HBi60-1.3, the lead content is extremely low and is less than 80ppm, the mercury content is less than 2ppm, the environment is protected, and the processing precision is improved;

2) the control of the turning program is beneficial to ensuring the stability and consistency of products and improving the working efficiency;

3) electroplating copper bottom 6-10 μm and bright nickel 6-10 μm, and treating with water-based sealant to prolong its service life;

4) the chamfer angle of the water outlet end of the water spraying groove 3 is less than C0.03mm, when the water pressure is 1par, the water sprayed out of the hole can be gathered, the intersection degree of the water spraying outlet is the same as the hole wall, and accurate water spraying is realized.