阅读说明：本技术 一种轴对称多孔圆盘式转子转接座及其数控加工方法 (Axisymmetric porous disc type rotor adapter and numerical control machining method thereof ) 是由 张云玲 韩逸辰 胡钟歌 于 2020-04-30 设计创作，主要内容包括：本发明涉及一种轴对称多孔圆盘式转子转接座及其数控加工方法,属于机械零部件及加工技术领域。轴对称多孔圆盘式转子转接座包括连接座主体、连接部及固定座,所述连接部连接于转接座主体的一端,所述固定座连接于转接座主体的另一端,所述转接座主体为中空圆柱状结构,所述连接部为中空圆柱状结构,所述固定座为中空圆盘状结构。与现有技术相比,本发明所述轴对称多孔圆盘式转子转接座的数控加工方法,主要是通过UG软件进行三维建模,快速生成刀路轨迹,高效的设计出转子转接座零件的加工工艺方案,显著提升了零件从设计到数控加工完成的效率。提高了加工效率,满足了零件的设计要求。(The invention relates to an axisymmetric multi-hole disc type rotor adapter and a numerical control machining method thereof, belonging to the technical field of mechanical parts and machining. The axisymmetric porous disc type rotor adapter comprises a connecting seat main body, a connecting part and a fixed seat, wherein the connecting part is connected to one end of the adapter main body, the fixed seat is connected to the other end of the adapter main body, the adapter main body is of a hollow cylindrical structure, the connecting part is of a hollow cylindrical structure, and the fixed seat is of a hollow disc-shaped structure. Compared with the prior art, the numerical control machining method of the axisymmetric multi-hole disc type rotor adapter mainly carries out three-dimensional modeling through UG software, quickly generates the tool path track, efficiently designs the machining process scheme of the rotor adapter part, and remarkably improves the efficiency of the part from design to completion of numerical control machining. The machining efficiency is improved, and the design requirements of parts are met.)

1. The utility model provides a porous disc type rotor adapter of axial symmetry which characterized in that, includes connecting seat main part (1), connecting portion (2) and fixing base (3), connecting portion (2) are connected in the one end of adapter main part (1), the other end in adapter main part (1) is connected in fixing base (3), adapter main part (1) is hollow circular cylinder structure, connecting portion (2) are hollow circular cylinder structure, fixing base (3) are hollow circular cylinder structure.

2. The axisymmetric multi-hole disc-type rotor adapter according to claim 1, wherein the axial leads of the connecting seat body (1), the connecting portion (2) and the fixing seat (3) are coincident.

3. The axisymmetric multi-hole disc type rotor adapter according to claim 1, wherein the sidewall of the adapter body (1) is provided with first through holes (5) surrounding the sidewall for one circle, the central axes of all the first through holes (5) are located on the same plane, and the axial line of the connection seat body (1) is perpendicular to the plane.

4. The axisymmetric multi-hole disc-type rotor adapter according to claim 1, wherein the inner wall of the connecting portion (2) is provided with a step surface (7), the step surface (7) is provided with a second through hole (4) which surrounds the axial lead of the connecting portion (2) by one circle, and the central axis of the second through hole (4) is parallel to the axial lead of the connecting portion (2).

5. The axisymmetric multi-hole disc type rotor adapter according to claim 1, characterized in that the fixing seat (3) is provided with a fixing hole (6) which surrounds the axis of the fixing seat (3) by one circle.

6. The axisymmetric multi-hole disc rotor adapter according to claim 1, characterized in that the central axis of the fixing hole (6) is parallel to the axial line of the fixing seat (3).

7. The axisymmetric multi-hole disc-type rotor adapter according to claim 1, characterized in that the outer diameter of the connecting portion (2) is smaller than the outer diameter of the connecting seat body (1), and the outer diameter of the connecting seat body (1) is smaller than the outer diameter of the fixing seat (3).

8. The axisymmetric multi-hole disc-type rotor adapter according to claim 1, wherein the connecting seat body (1), the connecting portion (2) and the fixing seat (3) are of an integrally formed structure.

9. A method of numerically controlled machining of an axisymmetric multi-hole disc rotor adapter according to any of claims 1-8, characterized in that it comprises the following steps:

(1) carrying out three-dimensional modeling on the axisymmetric porous disc type rotor adapter through UG software, establishing a two-dimensional engineering drawing of the axisymmetric porous disc type rotor adapter according to the three-dimensional modeling, and then determining a feed path;

(2) accurately finishing the dimension tolerance marking, form and position tolerance marking, roughness marking and technical requirement marking of the axisymmetric multi-hole disc type rotor adapter;

(3) completing numerical control simulation machining simulation to simulate an actual machining state;

(4) the outer and inner outlines of the connecting seat body (1) and a first through hole (5) on the connecting seat body are processed in a numerical control manner;

(5) the outer and inner outlines of the connecting part (2) and the second through hole (4) are processed in a numerical control mode, and the specific position and size of the second through hole (4) meet set requirements;

(6) and (3) machining the outer and inner outlines of the fixed seat (3) and the fixed hole (6) in a numerical control manner, paying attention to the direction of a cutter and the position of a drilling hole, and finishing machining the axisymmetric multi-hole disc type rotor adapter.

10. The numerical control machining method for the axisymmetric multi-hole disc type rotor adapter according to claim 9, characterized by comprising the steps of:

clamping the right end of a blank part to be processed;

by usingA centering drill with an included angle of 60 degrees drills a positioning hole in the center of the end face of a blank part to be processed, and then the positioning hole is replacedThe twist drill is used for drilling a through hole at the centering position, and the rotating speed of a cutter is 2000;

roughly turning the outer surface of the left end of the part by using the outer diameter of a turning tool according to the size of the axisymmetric porous disc type rotor adapter, and performing finish machining after the allowance is 0.5 mm;

changing a boring cutter, roughly boring the inner surface of the left end of the processed part, keeping the balance of 0.5mm, and then carrying out finish machining;

changeable pipeThe centering drill with the included angle of 60 degrees centers the through hole of the inner contour step surface (7) of the connecting part (2), and the rotating speed of the cutter is 2000;

continuously centering the first through hole (5) on the outer surface of the connecting seat body (1) by using a centering drill, wherein the rotating speed of the cutter is 2000;

changeable pipeThe twist drill drills a second through hole (4) in a step surface (7) of the inner outline of the connecting part (2), and the rotating speed of a cutter is 3000;

changeable pipeThe twist drill drills a first through hole (5) in the outer surface of the connecting seat main body (1), and the rotating speed of a cutter is 3000;

clamping the left end of the part;

and (4) roughly turning the outer surface of the right end of the part with the outer diameter and the allowance of 0.5mm, and then carrying out finish machining.

Changing a boring cutter, roughly boring the inner surface of the right end of the processed part, and performing finish machining after the allowance is 0.5 mm;

changeable pipeThe centering drill with the included angle of 60 degrees centers the fixing hole (6) on the fixing seat (3), and the rotating speed of the cutter is 2000.

Changeable pipeThe twist drill drills a fixed hole (6) in the fixed seat (3), and the rotating speed of a cutter is 3000;

and (4) deburring.

Technical Field

The invention belongs to the technical field of mechanical parts and machining, and particularly relates to an axisymmetric multi-hole disc type rotor adapter and a numerical control machining method thereof.

Background

A rotor holder is a device for use with a rotor.

Chinese patent CN205533241U introduces a screw compressor rotor seat forging, which comprises a housing, the casing top is equipped with the ring flange, inside male rotor chamber and the female rotor chamber of being equipped with of casing, male rotor chamber and female rotor chamber are linked together and are formed the cavity, the casing is kept away from ring flange one end outer wall and is equipped with the strengthening rib. Through set up at rotor seat casing lower extreme outer wall perpendicular and length and the casing width the same, the strengthening rib of thickness between 3mm to 5mm with negative, positive rotor cavity, can enough play filter the rotor seat during operation because intracavity atmospheric pressure is great, the velocity of flow is very fast and the shake that produces, can strengthen the rigidity intensity of rotor seat again. It promotes intensity through setting up the strengthening rib, but its whole rotor seat structure does not possess universal applicability, only is fit for screw compressor rotor and uses.

Chinese patent CN201596906U discloses a compressor rotor seat processing clamp, which is structurally characterized in that the front end of a clamp main body is provided with a positioning surface, the clamp main body is provided with a workpiece cavity, and the clamp main body is of an integrated structure; and a positioning pin or a positioning screw corresponding to the positioning hole of the workpiece is arranged on the positioning surface of the clamp main body. The processing fixture for the rotor base of the compressor does not have deviation caused by combination and fixation of the upper cover and the lower base, so that the precision of a processed workpiece is improved, and the defects that the traditional fixture is easy to loosen, deform and wear, batch quality accidents are easy to happen during ultra-precision processing and the like are overcome. This patent discloses a machining anchor clamps of compressor rotor seat, and the processing mode of adoption still is traditional processing mode, hardly ensures its machining precision and machining efficiency on the one hand, and on the other hand also does not design rotor seat structure.

The adapter is often used in machinery, and in the use, generally the processing requirement to adapter is extremely strict, requires the surface roughness of product, the processing requirement of hole. Because some special adapters have complicated shapes, the traditional machining process is easy to cause the products not to be machined in place, and therefore, the novel adapters applied to special machines need to be designed independently, and the special machining process is researched to meet the requirement of product precision.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide an axisymmetric multi-hole disc type rotor adapter and a numerical control machining method thereof.

The purpose of the invention can be realized by the following technical scheme:

the invention firstly provides an axisymmetric porous disc type rotor adapter which comprises a connecting seat main body, a connecting part and a fixed seat, wherein the connecting part is connected to one end of the adapter main body, the fixed seat is connected to the other end of the adapter main body, the adapter main body is of a hollow cylindrical structure, the connecting part is of a hollow cylindrical structure, and the fixed seat is of a hollow disc-shaped structure.

In one embodiment of the present invention, the axes of the connecting seat body, the connecting portion and the fixing seat are overlapped.

In one embodiment of the present invention, a first through hole is formed on a side wall of the adapter body around the side wall.

In an embodiment of the invention, the central axes of all the first through holes are located on the same plane, and the axial line of the connecting seat main body is perpendicular to the plane.

In one embodiment of the invention, the inner wall of the connecting part is provided with a step surface, and the step surface is provided with a second through hole which surrounds the axis of the connecting part by one circle.

In one embodiment of the present invention, the central axis of the second through hole is parallel to the axial center line of the connecting portion.

In one embodiment of the present invention, the fixing base is provided with a fixing hole which surrounds the axis of the fixing base.

In one embodiment of the present invention, the central axis of the fixing hole is parallel to the axis of the fixing base.

In one embodiment of the present invention, an outer diameter of the connecting part is smaller than an outer diameter of the connecting holder body, which is smaller than an outer diameter of the fixing holder.

In an embodiment of the invention, the connecting seat body, the connecting portion and the fixing seat are integrally formed.

The invention also provides a numerical control processing method of the axisymmetric porous disc type rotor adapter, which comprises the following steps:

(1) carrying out three-dimensional modeling on the axisymmetric porous disc type rotor adapter through UG software, establishing a two-dimensional engineering drawing of the axisymmetric porous disc type rotor adapter according to the three-dimensional modeling, and then determining a feed path;

(2) accurately finishing the dimension tolerance marking, form and position tolerance marking, roughness marking and technical requirement marking of the axisymmetric multi-hole disc type rotor adapter;

(3) completing numerical control simulation machining simulation to simulate an actual machining state;

(4) numerically controlling and processing the outer and inner outlines of the connecting seat main body and a first through hole on the connecting seat main body;

(5) machining the outer and inner contours of the connecting part and the second through hole in a numerical control manner, and paying attention to the fact that the specific position and size of the second through hole meet set requirements;

(6) and (3) machining the outer and inner outlines of the fixed seat and the fixed hole in a numerical control manner, and finishing machining the axisymmetric multi-hole disc type rotor adapter by paying attention to the cutter entering direction and the drilling position.

In one embodiment of the present invention, the method for numerically controlling the machining of the axisymmetric multi-hole disc rotor adapter includes the following steps:

clamping the right end of a blank part to be processed;

by usingA centering drill with an included angle of 60 degrees drills a positioning hole in the center of the end face of a blank part to be processed, and then the positioning hole is replacedThe twist drill is fixedPunching a through hole at the center position, wherein the rotating speed of a cutter is 2000;

roughly turning the outer surface of the left end of the part by using the outer diameter of a turning tool according to the size of the axisymmetric porous disc type rotor adapter, and performing finish machining after the allowance is 0.5 mm;

changing a boring cutter, roughly boring the inner surface of the left end of the processed part, keeping the balance of 0.5mm, and then carrying out finish machining;

changeable pipeThe centering drill with the included angle of 60 degrees centers the through hole of the step surface of the inner outline of the connecting part, and the rotating speed of the cutter is 2000;

continuing to center the first through hole on the outer surface of the connecting seat body by using a centering drill, wherein the rotating speed of the cutter is 2000;

changeable pipeThe twist drill drills a second through hole in the step surface of the inner outline of the connecting part, and the rotating speed of a cutter is 3000;

changeable pipeThe twist drill drills a first through hole in the outer surface of the connecting seat body, and the rotating speed of a cutter is 3000;

clamping the left end of the part;

and (4) roughly turning the outer surface of the right end of the part with the outer diameter and the allowance of 0.5mm, and then carrying out finish machining.

Changing a boring cutter, roughly boring the inner surface of the right end of the processed part, and performing finish machining after the allowance is 0.5 mm;

changeable pipeThe centering drill with the included angle of 60 degrees centers the fixing hole on the fixing seat, and the rotating speed of the cutter is 2000.

Changeable pipeThe twist drill drills a fixed hole in the fixed seat, and the rotating speed of the cutter is 3000;

and (4) deburring.

And completing the numerical control machining of the axisymmetric multi-hole disc type rotor adapter.

The numerical control machining method of the axisymmetric multi-hole disc type rotor adapter mainly carries out three-dimensional modeling through UG software, quickly generates a tool path track, efficiently designs a machining process scheme of parts of the rotor adapter, and remarkably improves the efficiency of the parts from design to completion of numerical control machining. The machining efficiency is improved, and the design requirements of parts are met.

In the invention, UG (Unigraphics NX) is a product engineering solution produced by Siemens P L M Software company, provides a product design environment based on a process, enables the product development from design to processing, and really realizes seamless integration of data, thereby optimizing the product design and manufacture.

The invention adopts a numerical control processing mode, is a mechanical processing method for controlling the displacement of parts and cutters by using digital information, can solve the problems of variable part varieties, small batch, complex shape, high precision and the like, and can realize an effective way of high-efficiency and automatic processing.

Compared with the prior art, the axisymmetric multi-hole disc type rotor adapter can realize the fixed installation of the multi-hole disc type rotor adapter through the arranged fixed holes, the connecting part and the second through holes on the step surface of the inner outline of the connecting part can be used for connecting a rotor, and other structures or parts can be inserted into the first through hole on the outer surface of the connecting seat main body, so that the structure adjustment of the axisymmetric multi-hole disc type rotor adapter is facilitated. The axisymmetric multi-hole disc type rotor adapter provided by the invention can be used in cooperation with a rotor, and has the advantages of reasonable structural design, attractive appearance, high standardization degree, convenience in processing and use. The axisymmetric multi-hole disc type rotor adapter adopts the processes of integrated forming, numerical control lathe, precise linear cutting and the like, effectively avoids assembly errors and can obviously improve the precision of products.

Drawings

FIG. 1 is a schematic perspective view of an axial-symmetric multi-hole disc-type rotor adapter in example 1;

FIG. 2 is a schematic structural diagram of an axial-symmetric multi-hole disc rotor adapter in accordance with embodiment 1 in a front view;

FIG. 3 is a schematic side view of the axial-symmetric multi-hole disc rotor adapter in embodiment 1;

fig. 4 is a schematic side sectional view of the axial-symmetric multi-hole disc rotor adapter in embodiment 1.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments.