阅读说明：本技术 一种用于大型轴类零件深孔的加工装置及方法 (Machining device and method for deep hole of large shaft part ) 是由 顾亮 吴广宇 陈琦 钱玮明 于 2021-06-16 设计创作，主要内容包括：一种用于大型轴类零件深孔的加工装置及方法,该装置安装在机床的导轨上,所述深孔设于大型轴类零件的轴心上,所述加工装置包括固定部件、中心架和深孔导向套；其中,固定装置固定于导轨上,中心架固定于固定部件上,深孔导向套设置于中心架上,该深孔导向套的轴线与所述深孔的轴线重合且端面与大型轴类零件的一端的平面贴合；加工时深孔钻头穿过深孔导向套且支撑于该深孔导向套上,对所述深孔进行加工。本发明有效减少了劳动强度,提高了加工效率,取得了保证加工精度和产品质量的效果,具有操作简便、结构简单的优点,能够广泛用于大型长轴类零件深孔的加工,尤其适用于船用柴油机活塞杆的深孔的加工。(A processing device and method for deep holes of large-scale shaft parts are disclosed, the device is arranged on a guide rail of a machine tool, the deep holes are arranged on the axes of the large-scale shaft parts, and the processing device comprises a fixed part, a center frame and a deep hole guide sleeve; the fixing device is fixed on the guide rail, the center frame is fixed on the fixing part, the deep hole guide sleeve is arranged on the center frame, the axis of the deep hole guide sleeve is superposed with the axis of the deep hole, and the end face of the deep hole guide sleeve is attached to the plane of one end of the large shaft part; and during machining, the deep hole drill penetrates through the deep hole guide sleeve and is supported on the deep hole guide sleeve to machine the deep hole. The invention effectively reduces the labor intensity, improves the processing efficiency, achieves the effect of ensuring the processing precision and the product quality, has the advantages of simple and convenient operation and simple structure, can be widely used for processing the deep holes of large-scale long-shaft parts, and is particularly suitable for processing the deep holes of the piston rod of the marine diesel engine.)

1. The utility model provides a processingequipment for large-scale axle type part deep hole, installs on the guide rail of lathe, the deep hole is located on the axle center of large-scale axle type part, this large-scale axle type part with the lathe is connected which characterized in that: the machining device comprises a fixing part, a center frame and a deep hole guide sleeve; the fixed part is fixed on the guide rail, the center frame is fixed on the fixed part, the deep hole guide sleeve is arranged on the center frame, the axis of the deep hole guide sleeve is superposed with the axis of the deep hole, the end face of the deep hole guide sleeve is attached to the plane of one end of the large shaft part, and the deep hole drill bit penetrates through the deep hole guide sleeve and is supported on the deep hole guide sleeve to process the deep hole.

2. The machining device for the deep holes of the large-scale shaft parts according to claim 1, characterized in that: and the center of the center frame is provided with a center hole in which the deep hole guide sleeve is embedded.

3. The machining device for the deep holes of the large-scale shaft parts according to claim 1, characterized in that: the center frame is adjustable, and the deep hole guide sleeve and the deep hole are coaxial after the position is adjusted.

4. The machining device for the deep holes of the large-scale shaft parts according to claim 1, characterized in that: the deep hole guide sleeve is replaced according to the size of the deep hole.

5. A method for processing deep holes in large shaft parts, which is realized by the processing device of claim 1, and is characterized in that: the method comprises the following steps:

1) selecting a deep hole guide sleeve according to the size of the deep hole, clamping the large-scale shaft part on a machine tool, fixing the fixed part on a guide rail of the machine tool and locking, connecting the center frame to the fixed part, and then installing the deep hole guide sleeve in a center hole of the center frame;

2) adjusting the center frame to enable the axis of the deep hole guide sleeve to be consistent with the axis of the deep hole, and tightly attaching the end face of the deep hole guide sleeve to the end face of the deep hole end of the large-scale shaft part;

3) and cutting the deep hole by using a deep hole drill bit to penetrate through and support the deep hole guide sleeve on the center frame, and finishing the processing of the deep hole.

Technical Field

The invention relates to a processing technology of a deep hole of a long shaft part, in particular to a processing device and a processing method for a deep hole of a large shaft part, and belongs to the technical field of machining.

Background

The piston rod is one of important moving parts of a high-power low-speed marine diesel engine, is long in length and heavy in mass, belongs to a large-scale shaft part, and please refer to fig. 1, a deep hole a1 is arranged at the axis of the large-scale shaft part a, and the processing requirement of the deep hole a1 is extremely high. At present, when a deep hole A1 of a large shaft part A is machined, a guide hole is machined on the large shaft part A before machining, so that a large amount of time and labor are consumed for machining the guide hole, and the existing machining mode is low in working efficiency, high in labor intensity, and has the hidden troubles of mass accidents, equipment accidents, safety accidents and the like.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a device and a method for processing deep holes of large-scale shaft parts.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a processingequipment for large-scale axle type part deep hole, installs on the guide rail of lathe, the deep hole is located on the axle center of large-scale axle type part, this large-scale axle type part with the lathe is connected which characterized in that: the machining device comprises a fixing part, a center frame and a deep hole guide sleeve; the fixing device is fixed on the guide rail, the center frame is fixed on the fixing part, the deep hole guide sleeve is arranged on the center frame, the axis of the deep hole guide sleeve is superposed with the axis of the deep hole, the end face of the deep hole guide sleeve is attached to the plane of one end of the large shaft part, and the deep hole drill bit penetrates through the deep hole guide sleeve and is supported on the deep hole guide sleeve to process the deep hole.

Furthermore, the center of the center frame is provided with a center hole in which the deep hole guide sleeve is embedded.

Furthermore, the center frame is adjustable, and the deep hole guide sleeve and the deep hole are coaxial after the position is adjusted.

Furthermore, the deep hole guide sleeve is replaced according to the size of the deep hole.

The other technical scheme of the invention is as follows:

a processing method of a deep hole of a large-scale shaft part, which is realized by the processing device, comprises the following steps:

1) selecting a deep hole guide sleeve according to the size of the deep hole, clamping the large-scale shaft part on a machine tool, fixing the fixed part on a guide rail of the machine tool and locking, connecting the center frame to the fixed part, and then installing the deep hole guide sleeve in a center hole of the center frame;

2) adjusting the center frame to enable the axis of the deep hole guide sleeve to be consistent with the axis of the deep hole, and tightly attaching the end face of the deep hole guide sleeve to the end face of the deep hole end of the large-scale shaft part;

3) and cutting the deep hole by using a deep hole drill to penetrate through and support the deep hole guide sleeve on the center frame, and finishing the processing of the deep hole.

The processing device facilitates the processing operation of deep holes of large shaft parts, effectively reduces the physical labor of operators, improves the processing efficiency and the product quality, eliminates the accident potential and meets the size requirement after deep hole processing; the invention has the advantages of simple structure, simple and convenient operation, low cost and wide application range, achieves the beneficial effects of improving the automation level, ensuring safe production and reducing the labor intensity, can be widely used for processing the deep holes of large-scale long-shaft parts, and is particularly suitable for processing the deep holes of the piston rod of the marine diesel engine.

Drawings

Fig. 1 is a schematic structural view of a long-axis piston rod.

FIG. 2 is a schematic view of the structure of the processing apparatus of the present invention.

Fig. 3 is a structural schematic diagram of the deep hole guide sleeve.

Fig. 4 is a top view of fig. 3.

Fig. 5 is a state diagram of the use of the present invention.

In the figure, the position of the upper end of the main shaft,

a-large shaft part, A1-deep hole, B-processing device, 1-fixed part, 2-center frame, 3-deep hole guide sleeve.

Detailed Description

The present invention will be described in further detail with reference to the attached drawings, but the scope of the present invention is not limited thereto.

The invention is used for processing the deep hole of a large-sized long shaft part, such as a piston rod of a marine diesel engine, and is arranged on a guide rail of a machine tool, the deep hole is arranged on the shaft center of the large-sized shaft part, and the large-sized shaft part is connected with the machine tool.

Referring to fig. 2, fig. 3 and fig. 4, the device for processing deep holes of large shaft parts includes a fixing part 1, a center frame 2 and a deep hole guide sleeve 3.

The fixed member 1 is fixed to a guide rail of the machine tool.

The central frame 2 is adjustable and is fixed on the fixed part 1; the center of the center frame 2 is provided with a center hole in which the deep hole guide sleeve 3 is embedded.

The deep hole guide sleeve 3 is embedded in a central hole of the deep hole guide sleeve 3, and the end face of the deep hole guide sleeve is tightly attached to the plane of one end of the large shaft part, which needs to be processed with a deep hole, so that the sealing requirement of the deep hole of the long shaft part is met, and the spray-suction effect during deep hole processing is guaranteed; the deep hole guide sleeve 3 plays a supporting role for a deep hole drill bit penetrating through the deep hole guide sleeve 3. After the position of the center frame 2 is adjusted, the axis of the deep hole guide sleeve 3 is superposed with the axis of the deep hole. The deep hole guide sleeves 3 can be replaced according to the size of the deep hole, and different deep hole guide sleeves 3 are installed for processing different deep holes, so that the size requirements of the deep holes of the long shaft parts are met.

And a deep hole drill penetrates through the deep hole guide sleeve 3 to process the deep hole.

The method for processing the deep hole of the large-scale shaft part by using the processing device of the invention is concretely as follows, please refer to fig. 5:

1) when deep hole machining is needed, the deep hole guide sleeve 3 is selected according to the size of the deep hole A1, the large-scale shaft part A is clamped on a machine tool, then the machining device B is installed, the fixing part 1 is fixed on a guide rail of the machine tool and locked, the center frame 2 is connected to the fixing part 1, and then the deep hole guide sleeve 3 is installed in a center hole of the center frame 2.

2) And adjusting the center frame 2 to make the axis of the deep hole guide sleeve 3 consistent with the axis of the deep hole A1, and tightly attaching the end face of the deep hole guide sleeve 3 to the end face of the deep hole end of the large-scale shaft part A.

3) And (3) cutting the deep hole A1 by using a deep hole drill to penetrate through the deep hole guide sleeve 3 supported on the center frame 2, and finishing the machining of the deep hole A1.

The invention greatly improves the processing efficiency and quality, is simpler and more convenient for actual field operation, effectively reduces the labor intensity, and reduces the process cost while ensuring the personal safety of operators.

The above embodiments are not intended to limit the scope of the present invention, and the claimed invention is not limited to the above embodiments, but also includes other obvious modifications and substitutions, and all equivalent changes and modifications made according to the contents of the present invention are within the scope of the present invention.