Steering yoke and production process thereof
阅读说明：本技术 一种转向节叉及其生产工艺 (Steering yoke and production process thereof ) 是由 沈柏松 朱东林 吕小华 叶春来 陈彩娃 于 2019-09-06 设计创作，主要内容包括：本发明公开了一种转向节叉,包括基座、侧板、固定孔、安装孔、凸环,所述基座上设有一个贯穿基座上下两端的固定孔,基座的两侧各设有一块侧板,基座和两个侧板形成一个U形结构,所述侧板上设有一个安装孔,两个侧板上的安装孔位于同一轴线向,两侧板的相对侧各设有一个凸环,凸环与安装孔同心,凸环内径与安装孔内径相同,所述凸环的上下两端均设有安装缺口,所述基座、侧板、凸环为一体式结构。本发明提出了一种转向节叉的生产工艺,包括以下步骤：a)材料切割、b)毛胚制作、c)固定孔加工、d)安装孔加、e)安装缺口加工、f)清洗、g)检测。本发明通过将安装缺口设置在凸环上,使得节叉可方便的安装上十字轴,使用方便。(The invention discloses a steering yoke, which comprises a base, side plates, fixing holes, mounting holes and convex rings, wherein the base is provided with the fixing holes penetrating through the upper end and the lower end of the base, the two sides of the base are respectively provided with one side plate, the base and the two side plates form a U-shaped structure, the side plates are provided with the mounting holes, the mounting holes on the two side plates are positioned along the same axial direction, the opposite sides of the two side plates are respectively provided with one convex ring, the convex rings are concentric with the mounting holes, the inner diameters of the convex rings are the same as the inner diameters of the mounting holes, the upper end and the lower end of each convex ring are respectively provided with a mounting notch, and the base, the side. The invention provides a production process of a steering yoke, which comprises the following steps: a) cutting a material, b) manufacturing a blank, c) processing a fixing hole, d) adding an installation hole, e) processing an installation notch, f) cleaning and g) detecting. According to the invention, the mounting notch is arranged on the convex ring, so that the joint yoke can be conveniently mounted with the cross shaft, and the use is convenient.)
1. A steering yoke, characterized in that: including base (1), curb plate (2), fixed orifices (10), mounting hole (20), bulge loop (21), be equipped with one on base (1) and run through fixed orifices (10) at base (1) upper and lower both ends, the both sides of base (1) respectively are equipped with one curb plate (2), and base (1) and two curb plates (2) form a U-shaped structure, be equipped with one mounting hole (20) on curb plate (2), mounting hole (20) on two curb plates (2) are located same axial line, and the opposite side of both sides board (2) respectively is equipped with one bulge loop (21), and bulge loop (21) are concentric with mounting hole (20), and bulge loop (21) internal diameter is the same with mounting hole (20) internal diameter, the upper and lower both ends of bulge loop (21) all are equipped with installation breach (22), base (1), curb plate (2), bulge loop (21) formula structure as an organic whole.
2. A steering yoke as claimed in claim 1, wherein: the inner wall of the fixing hole (10) is provided with a plurality of strip-shaped grooves (11) with the same direction as the fixing hole (10), and the section of the fixing hole (10) is in a gear shape.
3. A steering yoke as claimed in claim 1, wherein: the joint of the base plate and the side plate (2) is provided with a fillet, and the upper end of the side plate (2) is an arc surface concentric with the fixing hole (10).
4. A steering yoke as claimed in claim 1, wherein: the lower projection of the installation notch (22) is arc-shaped.
5. A process for producing a steering yoke for easy installation according to claim 1, wherein: the method comprises the following steps:
a) cutting the material, namely cutting a blank with proper weight on the original material according to the weight of the required manufactured pitch fork;
b) blank preparation: performing cold extrusion or hot forging on the blank to obtain a U-shaped blank, wherein the blank contains a bump for processing a convex ring (21);
c) processing a fixed hole: processing a fixing hole (10) on the blank;
d) processing a mounting hole: processing the outer surface of a convex ring (21) and a mounting hole (20) on the blank;
e) processing an installation notch: machining an installation notch (22) on the blank in a turning mode to obtain a finished product;
f) cleaning: cleaning the finished product;
g) and (3) detection: and detecting the cleaned finished products, and removing unqualified finished products.
6. A process for producing a steering yoke as claimed in claim 5, wherein: the raw material in the step a) material cutting is a strip-shaped body, a plate-shaped body or a block-shaped body.
7. A process for producing a steering yoke as claimed in claim 5, wherein: the convex block manufactured by the blank in the step b) is a vertical disc body, and the outer diameter of the disc body is slightly larger than that of the convex ring (21).
8. A process for producing a steering yoke as claimed in claim 5, wherein: and c) processing the fixing hole (10) and the mounting hole (20) in the step d) are finished on the processing center.
9. A process for producing a steering yoke as claimed in claim 5, wherein: and f) after the cleaning in the step f), carrying out heat treatment and then carrying out detection in the step g).
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of universal joints, in particular to the technical field of steering yoke.
[ background of the invention ]
A universal joint is a commonly used component, which has a wide range of applications in various fields. Which are also used in the automotive field. To facilitate driving, EPS systems are sometimes used in automobiles, in which a universal joint is used, of which a steering yoke is a part. The existing steering yoke is troublesome in installation of a cross shaft, and the machining efficiency is not high.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a steering yoke and a production process thereof, which can facilitate the installation and processing of a cross shaft of the yoke.
In order to achieve the purpose, the invention provides a steering yoke, which comprises a base, side plates, fixing holes, mounting holes and convex rings, wherein the base is provided with the fixing holes penetrating through the upper end and the lower end of the base, the two sides of the base are respectively provided with one side plate, the base and the two side plates form a U-shaped structure, the side plates are provided with the mounting holes, the mounting holes in the two side plates are positioned along the same axial direction, the opposite sides of the two side plates are respectively provided with one convex ring, the convex rings are concentric with the mounting holes, the inner diameters of the convex rings are the same as the inner diameter of the mounting holes, the upper end and the lower end of each convex ring are respectively provided with a mounting notch, and the base.
Preferably, a plurality of strip-shaped grooves with the same direction as the fixed hole are formed in the inner wall of the fixed hole, and the section of the fixed hole is in a gear shape.
Preferably, a fillet is arranged at the joint of the base plate and the side plate, and the upper end of the side plate is an arc surface concentric with the fixing hole.
Preferably, the lower projection of the installation notch is in the shape of a circular arc.
In order to achieve the purpose, the invention provides a production process of a steering yoke, which comprises the following steps:
a) cutting the material, namely cutting a blank with proper weight on the original material according to the weight of the required manufactured pitch fork;
b) blank preparation: performing cold extrusion or hot forging on the blank to obtain a U-shaped blank, wherein the blank contains a bump for processing a convex ring;
c) processing a fixed hole: processing a fixing hole on the blank;
d) processing a mounting hole: processing the outer surface and the mounting hole of the convex ring on the blank;
e) processing an installation notch: machining an installation notch on the blank in a turning mode to obtain a finished product;
f) cleaning: cleaning the finished product;
g) and (3) detection: and detecting the cleaned finished products, and removing unqualified finished products.
Preferably, the raw material in the step a material cutting is a strip-shaped body, a plate-shaped body or a block-shaped body.
Preferably, the protruding block manufactured by the blank in the step b is a vertical disc body, and the outer diameter of the disc body is slightly larger than that of the protruding ring.
Preferably, the step c fixing hole machining and the step d mounting hole machining are both completed on a machining center.
Preferably, after the cleaning in step f is completed, the detection in step g is carried out after the heat treatment.
The invention has the beneficial effects that: according to the invention, the mounting notch is arranged on the convex ring, so that the joint yoke can be conveniently mounted with the cross shaft, and the use is convenient; the mounting notch is machined in a turning mode, so that the machining efficiency is effectively improved; the blank obtained by cold extrusion or hot forging can effectively improve the strength of the joint yoke, so that the joint yoke has good performance of resisting instant large torque.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a steering yoke of the present invention;
fig. 2 is a left side view of a steering yoke of the present invention.
In the figure: 1-base, 2-side plate, 10-fixing hole, 11-strip groove, 20-mounting hole, 21-convex ring and 22-mounting notch.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the steering yoke of the present invention comprises a
The invention relates to a production process of a steering yoke, which comprises the following steps:
a, cutting a material: cutting a blank with proper weight on the original material according to the weight of the required manufactured pitch fork;
b, blank preparation: performing cold extrusion or hot forging on the blank to obtain a U-shaped blank, wherein the blank contains a bump for processing the
c, processing a fixing hole: processing a fixing hole 10 on the blank;
d, processing mounting holes: processing the outer surface of a
e, processing an installation notch: machining an installation notch 22 on the blank in a turning mode to obtain a finished product;
f, cleaning: cleaning the finished product;
g, detection: and detecting the cleaned finished products, and removing unqualified finished products.
The raw material in the step a material cutting is a strip-shaped body, a plate-shaped body or a block-shaped body, the protruding block manufactured by the blank in the step b is a vertical disc body, the outer diameter of the disc body is slightly larger than that of the
The working process of the invention is as follows:
in the working process of the steering yoke and the production process thereof, the mounting notch 22 is arranged on the
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
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