阅读说明：本技术 一种椭圆孔的找正以及加工方法 (Elliptical hole alignment and machining method ) 是由 吕曙光 宋龙 罗二龙 于 2019-10-18 设计创作，主要内容包括：本发明公开了一种椭圆孔的找正以及加工装置,包括小孔主轴箱,还包括滑台、旋转轴和角度调整斜铁,所述小孔主轴箱通过中央的旋转轴安装在所述滑台上,所述旋转轴的直径为100mm,所述小孔主轴箱的边缘通过M1钉与所述滑台的台面相连接,所述小孔主轴箱的定位面与所述滑台的基准面之间安装有角度调整斜铁。设备采用大小孔对峙动力头同时加工,并且小孔动力头可旋转,调整椭圆孔加工角度通过斜铁完成,方便快捷。小孔滑台采用旋转和升降双向调节机构,保证加工调整的完善性。小孔滑台预伺服安装位置,对于客户有多品种兼容要求的可实现快速换型。(The invention discloses an aligning and processing device for an elliptical hole, which comprises a small hole spindle box, a sliding table, a rotating shaft and an angle adjusting wedge, wherein the small hole spindle box is arranged on the sliding table through the rotating shaft in the center, the diameter of the rotating shaft is 100mm, the edge of the small hole spindle box is connected with the table surface of the sliding table through an M1 nail, and the angle adjusting wedge is arranged between the positioning surface of the small hole spindle box and the reference surface of the sliding table. The equipment adopts big and small hole to stand against the unit head and process simultaneously to the aperture unit head is rotatable, and adjustment elliptical aperture processing angle is accomplished through the tapered iron, convenient and fast. The small hole sliding table adopts a rotary and lifting bidirectional adjusting mechanism, so that the machining adjustment integrity is ensured. The installation position of the small hole sliding table is pre-servo, and the rapid model changing can be realized when a plurality of types of compatible requirements are met for customers.)

1. The utility model provides an aligning and processingequipment of elliptical hole, includes aperture headstock (1), characterized by: still include slip table (2), rotation axis (3) and angular adjustment sloping iron (4), rotation axis (3) through central authorities of aperture headstock (1) are installed on slip table (2), the diameter of rotation axis (3) is 100mm, the edge of aperture headstock (1) through 6M 12 screws with the mesa of slip table (2) is connected, the locating surface of aperture headstock (1) with angular adjustment sloping iron (4) are installed between the reference surface of slip table (2).

2. An alignment and processing method of an elliptical hole is characterized in that: the method comprises the following steps:

a. firstly, measuring the length Z of the semimajor axis of the elliptical hole of the connecting rod;

b. then measuring the radius Y of the main shaft of the small-hole main shaft box;

c. calculating a main shaft deflection angle X by the semimajor axis and the main shaft radius of the elliptical hole, wherein the formula is as follows:

COSX＝0.5Y/Z

d. then, the deflection angle of the main shaft is adjusted through a power head of the rotating shaft, and meanwhile, the deflection angle of the main shaft is controlled through an angle adjusting wedge arranged between an upper reference surface and a positioning surface;

e. installing a workpiece, wherein the axis of the elliptical hole of the workpiece is vertical to the working table surface of the small hole spindle box;

f. the elliptical hole is machined, and the height of the sliding table is adjusted by a servo adjusting mechanism.

Technical Field

The invention relates to the field of elliptical hole machining, in particular to an elliptical hole aligning and machining method.

Background

The connecting rod is used as a main connecting part in the industrial field, high compression ratio and high explosive force are generally adopted by an engine, the fracture failure of the small end of the connecting rod is increased to some extent, in addition to small end fracture caused by stress material creep and the like, researches find that the structure of a small end hole of the connecting rod has important influence on fracture, and the bearing capacity of the connecting rod can be improved by the design of a small hole special-shaped hole of the connecting rod; a connecting rod small hole is an elliptical hole machining mechanism which is developed and produced according to market demands, machining of a connecting rod special-shaped hole is guaranteed, machining stability and efficiency of an existing mechanism are greatly improved and improved compared with those of an original machining center, machining of the original machining center is completed through the existing mechanism, machining is conducted in a differential compensation mode, linkage of a feeding direction and a large hole and small hole connecting line direction is achieved, the shape and the size of the machined small hole are unstable, only the small hole can be machined, and machining efficiency is too low.

Disclosure of Invention

In view of the above defects or shortcomings in the prior art, it is desirable to provide an aligning and processing method for elliptical holes, which can complete the processing of small-hole special-shaped holes while simultaneously processing large and small holes, and improve the efficiency of equipment and the processing stability of special-shaped holes.

According to the technical scheme that this application embodiment provided, an alignment and processingequipment of elliptical hole, including the aperture headstock, still include slip table, rotation axis and angular adjustment wedge, the rotation axis that the aperture headstock passes through central authorities is installed on the slip table, the diameter of rotation axis is 100mm, the edge of aperture headstock pass through the M1 nail with the mesa of slip table is connected, the locating surface of aperture headstock with install the angular adjustment wedge between the reference surface of slip table.

An oval hole alignment and processing method comprises the following steps:

a. firstly, measuring the length Z of the semimajor axis of the elliptical hole of the connecting rod;

b. then measuring the radius Y of the main shaft of the small-hole main shaft box;

c. calculating a main shaft deflection angle X by the semimajor axis and the main shaft radius of the elliptical hole, wherein the formula is as follows:

COSX＝5Y/Z

d. then, the deflection angle of the main shaft is adjusted through a power head of the rotating shaft, and meanwhile, the deflection angle of the main shaft is controlled through an angle adjusting wedge arranged between an upper reference surface and a positioning surface;

e. installing a workpiece, wherein the axis of the elliptical hole of the workpiece is vertical to the working table surface of the small hole spindle box;

f. the elliptical hole is machined, and the height of the sliding table is adjusted by a servo adjusting mechanism.

To sum up, the beneficial effect of this application:

1. the equipment adopts big and small hole to stand against the unit head and process simultaneously to the aperture unit head is rotatable, and adjustment elliptical aperture processing angle is accomplished through the tapered iron, convenient and fast.

2. The small hole sliding table adopts a rotary and lifting bidirectional adjusting mechanism, so that the machining adjustment integrity is ensured.

3. The installation position of the small hole sliding table is pre-servo, and the rapid model changing can be realized when a plurality of types of compatible requirements are met for customers.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a left side view of the present invention;

fig. 4 is a structural view of an embodiment of the present invention.

Reference numbers in the figures: a small-hole spindle box-1; a sliding table-2; a rotating shaft-3; angle adjustment wedge-4.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1, an aligning and machining device for an elliptical hole includes a small hole spindle box 1, and further includes a sliding table 2, a rotating shaft 3 and an angle adjusting wedge 4, the small hole spindle box 1 is mounted on the sliding table 2 through the rotating shaft 3 at the center, the diameter of the rotating shaft 3 is 100mm, the edge of the small hole spindle box 1 is connected with the table surface of the sliding table 2 through 6M 12 screws, and the angle adjusting wedge 4 is mounted between the positioning surface of the small hole spindle box 1 and the reference surface of the sliding table 2.

An oval hole alignment and processing method comprises the following steps:

a. firstly, measuring the length Z of the semimajor axis of the elliptical hole of the connecting rod;

b. then measuring the radius Y of the main shaft of the small-hole main shaft box;

c. calculating a main shaft deflection angle X by the semimajor axis and the main shaft radius of the elliptical hole, wherein the formula is as follows:

COSX＝0.5Y/Z

d. then, the deflection angle of the main shaft is adjusted through a power head of the rotating shaft, and meanwhile, the deflection angle of the main shaft is controlled through an angle adjusting wedge arranged between an upper reference surface and a positioning surface;

e. installing a workpiece, wherein the axis of the elliptical hole of the workpiece is vertical to the working table surface of the small hole spindle box;

f. the elliptical hole is machined, and the height of the sliding table is adjusted by a servo adjusting mechanism.