WO2021223309A1

WO2021223309A1 - Profile modeling assembly for lathe cambered surface machining

Info

Publication number: WO2021223309A1
Application number: PCT/CN2020/098245
Authority: WO
Inventors: 王晓; 杨志伟; 李瑞雪; 祝晓东; 方红卫
Original assignee: 浙江中工石化设备有限公司
Priority date: 2020-05-07
Filing date: 2020-06-24
Publication date: 2021-11-11
Also published as: CN111531186A

Abstract

Disclosed is a profile modeling assembly for lathe cambered surface machining, a lathe comprising a cutter carrier, a tailstock and a cutter, and the profile modeling assembly comprising a cutter fixing member (1) for fixing a cutter, a telescopic rod (13), a profile modeling plate (21) having an arc-shaped surface, a profile modeling fixing member (3), and a spring (4), wherein the cutter fixing member (1) is connected to a cutter carrier; an end of the spring (4) that is sleeved on the telescopic rod (13) is connected to the cutter fixing member (1), and the other end thereof is fixedly connected to the telescopic rod (13); the cutter fixing member (1) is axially and slidably connected to the telescopic rod (13); one end of the telescopic rod (13) is fixedly connected to the cutter, and the other end of the telescopic rod is slidably connected to the arc-shaped surface of the profile modeling plate (21); and the profile modeling plate (21) is fixedly connected to a tailstock by means of the profile modeling fixing member (3) and is parallel to the horizontal plane. In a working process, since the telescopic rod is slidably connected to the cutter fixing member in axial telescoping manner, the telescopic rod can drive the cutter to feed according to the radian of the profile modeling plate, and then can machine shaft-like cambered parts. The profile modeling assembly can meet the requirement of machining shaft parts by means of a simple structure.

Description

A profiling component for machining arc surface of lathe

Technical field

The invention relates to a lathe auxiliary processing component, in particular to a lathe arc surface processing component.

Background technique

In the process of shaft parts processing, the processing method of concave and convex arc surface usually uses CNC machining center or two-hand control method. The use of CNC machining center processing requires the design of various matching tools, which has a higher cost, and manual control of transmission is adopted. The method is difficult to maintain and manage, and the operation is also difficult, and the manual operation is labor-intensive and low-efficiency, which is not suitable for batch processing.

In view of the above problems, the invention patent with publication number CN202951883U discloses a lathe capable of turning and processing arc workpieces. A fixed plate is installed on the guide rail of the lathe, the arc template is installed on the fixed plate, and the turning tool is installed on the middle carriage of the guide rail. , The leaning rod is fixed on the middle carriage, and the head of the leaning rod is in contact with the arc template. In this patent, a fixed plate is installed on the guide rail of an ordinary lathe, and an arc template is installed on the fixed plate. The motion trajectory of the turning tool is controlled by the arc template. Arc template control.

The above-mentioned patent realizes the effect of turning arc-shaped workpieces on ordinary lathes and improves the processing capacity of ordinary lathes. However, in the structure of this patent, the lever needs to control the middle carriage to control the feed of the tool. The structure is complicated and the installation is inconvenient. The sliding connection between the plate and the lathe is prone to errors in the movement between the carriage and the lathe after multiple clampings, and the unstable structure is likely to cause product errors.

In summary, the above-mentioned patented structure has problems such as complex structure, unstable structure and low precision of processed parts.

Summary of the invention

In order to overcome the problems of complicated structure and low machining accuracy of auxiliary tooling for machining arc-shaped surfaces on lathes in the prior art, the present invention provides a profiling assembly for arc-surface processing of lathes. Optimize the structure to improve processing accuracy.

The technical method adopted by the present invention to solve the technical problem is: a profiling component for arc surface machining of a lathe, the lathe includes a tool holder, a tailstock, and a tool, and the profiling component includes a tool for fixing the tool A fixing piece, a telescopic rod, a template with an arc-shaped surface, a mold fixing piece, and a spring, the tool holder is connected to the tool holder, and one end of the spring sleeved on the telescopic rod is connected to the tool holder, and the other One end is fixedly connected to a telescopic rod, the tool holder is axially slidably connected to the telescopic rod, one end of the telescopic rod is fixedly connected to the tool, and the other end is slidably connected to the curved surface of the supporting template, and the supporting template is fixed by the former The parts are firmly connected to the tailstock and parallel to the horizontal plane.

The above-mentioned master mold fixing member includes a clamping part and a fixing rod, the clamping part includes a square groove, the side wall of the clamping part has a threaded hole one perpendicular to the notch, a fastening bolt one, and the supporting template is clamped In the square groove, the fixing rod is fixedly connected with the tailstock by a fastening bolt.

The above-mentioned profiling fixture also includes a horizontal adjustment device, which includes a parallel plate and an adjustment bolt. The parallel plate is perpendicular to the axis of the fixing rod and is in the same direction as the square groove. Parallel to the second threaded hole on the plate surface, the adjusting bolt is rotatably connected with the second threaded hole, the tail end is in contact with the side wall of the template, and the end of the telescopic rod slidingly connected with the template is provided with a roller.

The end of the telescopic rod fixedly connected with the tool further includes a tool sleeve, the tool sleeve is fixedly connected with the tool bar, and the tool sleeve includes a tool bar clamping bolt perpendicular to the axis of the telescopic rod.

The number of the tool bar clamping bolts is two, and the angle between the two tool bar clamping bolts is 25°-35°.

The above-mentioned tool holder includes a fixed part and a connecting part, the fixed part is connected with the tool holder, and the connecting part is sleeved on the telescopic rod.

During the working process, the template is fixedly connected to the tailstock through the template fixing part, the adjustment bolt can adjust the angle of the template, the telescopic rod is slidingly connected to the template through the roller, and the tool holder drives the tool fixing part to feed horizontally due to expansion and contraction. The rod and the tool holder are axially telescopic and slidably connected. The telescopic rod will drive the tool to feed according to the template arc, and then can process shaft arc parts.

Compared with the prior art, the present invention has the following advantages and outstanding effects: the requirement of machining shaft parts can be met through the simple structure of the master module.

Description of the drawings

The present invention will be further described below with reference to the drawings and embodiments.

Figure 1 is a three-dimensional schematic diagram of the present invention;

[Corrected according to Rule 91 20.11.2020]
Figure 2 is a side view of the template and the fixed part of the template

In the figure: 1. Tool holder, 11, fixed part; 12, connecting part; 13, telescopic rod, 131, roller; 132, tool cover; 133, clamping bolt; 21. Formwork, 3. Master mold fixture , 31. Clamping part, 311, square groove; 312, threaded hole one; 313, fastening bolt one; 32. Fixing rod, 33. Horizontal adjustment device, 331, parallel plate; 332, adjusting bolt; 4. Spring.

Detailed ways

[Corrected according to Rule 91 20.11.2020]
Example 1

As shown in Figures 1 and 2, a profiling assembly for arc surface machining of a lathe includes a tool holder, a tailstock, and a tool. The profiling assembly includes a tool holder 1, a telescopic rod 13, and An arc-shaped backing template 21, a rod-shaped backing fixture 3, and a spring 4. The tool fixture 1 includes a fixing portion 11, a connecting portion 12, and the connecting portion 12 is sleeved outside the telescopic rod 13, and the spring 4 One end is connected to the tool holder 1, and the other end is connected to a telescopic rod 13. The tool holder 1 is connected to an axially telescopic and sliding slide. The arc-shaped surface is slidingly connected, the tool holder 1 is fixedly connected to the tool holder, and the supporting template 21 is fixedly connected to the tailstock through the master holder 3, and is parallel to the horizontal plane.

The above-mentioned master mold fixing member 3 includes a clamping portion and a fixing rod 32. The clamping portion includes a square groove 311, a side wall with a threaded hole 312 perpendicular to the notch, a fastening bolt 313, and the supporting template 21 is clamped It is arranged in the square groove 311 and is fixedly connected by a fastening bolt 313, and the fixed rod 32 is fixedly connected to the tailstock.

The above-mentioned profiling fixture 3 also includes a horizontal adjustment device 33 that includes a parallel plate 331 and an adjustment bolt 332. The parallel plate 331 is perpendicular to the axis of the fixing rod 32 and is in the same direction as the slot of the square groove 311. The parallel plate 331 has a second threaded hole perpendicular to the surface of the board, the adjusting bolt 332 is rotatably connected with the second threaded hole, and the tail end can contact the side wall of the template 21.

A roller 131 is provided at one end of the telescopic rod 13 that is slidably connected to the master mold.

The end of the telescopic rod 13 fixedly connected to the tool further includes a tool sleeve 132 which is fixedly connected to the tool bar. The tool sleeve 132 includes a tool bar clamping bolt 133 perpendicular to the axis of the telescopic rod 13.

The number of the tool bar clamping bolts 133 is two, and the angle between the two tool bar clamping bolts 133 is 25°-35°.

In the working process, the template 21 is fixedly connected to the tailstock through the template fixing part 3, the adjustment bolt 332 can adjust the angle of the template 21, the telescopic rod 13 is slidably connected to the template 21 through the roller 131, and the tool holder drives the tool fixing part. 1 During transverse feed, since the telescopic rod 13 is slidably connected with the tool holder 1 in the axial direction, the telescopic rod 13 will drive the tool to feed according to the 21 radians of the template, so as to process shaft arc parts.

The above embodiments are only exemplary embodiments of the present invention, and are not used to limit the present invention, and the protection scope of the present invention is defined by the claims. Those skilled in the art can make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions should also be regarded as falling within the protection scope of the present invention.

Claims

A profiling assembly for arc surface machining of a lathe, the lathe including a tool holder, a tailstock, and a tool, characterized in that the profiling assembly includes a tool holder (1) for fixing the tool, and a telescopic rod ( 13), a backing template (21) with an arc-shaped surface, a backing fixing part (3) and a spring (4), the tool fixing part (1) is connected to the tool holder, and the spring (4) is sleeved on the telescopic The upper end of the rod (13) is connected to the tool holder (1), and the other end is fixedly connected to the telescopic rod (13). The tool holder (1) is axially slidably connected to the telescopic rod (13). One end of the telescopic rod (13) is fixedly connected with the cutter, and the other end is slidingly connected to the arc-shaped surface of the support template (21), and the support template (21) is fixedly connected to the tailstock through the template fixing part (3), and is parallel to the horizontal plane .
The profiling assembly for lathe arc surface machining according to claim 1, wherein the profiling fixture (3) includes a clamping part and a fixing rod (32), and the clamping part includes a square A groove (311), the side wall of the clamping part has a threaded hole (312) perpendicular to the notch, a fastening bolt (313), the supporting template (21) is clamped in the square groove (311), The fixing rod (32) is fixedly connected with the tailstock through the fastening bolt one (313).
The profiling assembly for machining arc surface of a lathe according to claim 2, wherein the profiling fixture (3) further comprises a level adjustment device (33), and the level adjustment device (33) comprises Parallel plate (331) and adjusting bolts (332). The parallel plate (331) is perpendicular to the axis of the fixed rod (32) and is in the same direction as the slot of the square groove (311). The parallel plate (331) has a vertical On the second threaded hole on the surface of the parallel plate (331), the adjusting bolt (332) is rotatably connected with the second threaded hole, and the tail end is in contact with the side wall of the template (21).
The profiling assembly for machining arc surface of a lathe according to claim 3, characterized in that one end of the telescopic rod (13) which is slidingly connected with the profiling has a roller (131).
The cam assembly for lathe machining according to claim 4, characterized in that the end of the telescopic rod (13) fixedly connected with the tool further comprises a tool sleeve (132), and the tool sleeve (132) ) Is fixedly connected with the tool bar, and the tool sleeve (132) includes a tool bar clamping bolt (133) perpendicular to the axis of the telescopic rod (13).
The cam assembly for lathe machining according to claim 5, characterized in that the number of said tool bar clamping bolts (133) is two, and one of the two tool bar clamping bolts (133) The angle between them is 25°～35°.
According to any one of claims 1 to 6, the cam assembly of a lathe is characterized in that the tool holder (1) includes a fixed part (11) and a connecting part (12), The fixing part (11) is connected with the tool holder, and the connecting part (12) is sleeved on the telescopic rod (13).