CN211464851U

CN211464851U - Special tool for spherical surface machining of common lathe

Info

Publication number: CN211464851U
Application number: CN202020085787.7U
Authority: CN
Inventors: 马荣刚; 陈其君
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-09-11
Anticipated expiration: 2030-01-15

Abstract

The utility model relates to the technical field of lathe spherical surface machining, and discloses a special tool for spherical surface machining of a common lathe, which comprises a base, wherein a working plate is arranged on the base, a turntable is arranged in the middle of the working plate through a central shaft, and the outer side of the turntable is structurally designed into a bevel gear; a stepping motor A, a cutter rod seat and a cutter head are fixed on one side of the turntable; one side of base be equipped with step motor B, step motor B front end be connected with the bevel gear, the bevel gear and the assembly of the bevel gear structure rodent outside the carousel. The utility model pushes the turntable to rotate by the coordination of the engaging teeth of the bevel gear, and the tool bit follows the turntable to do low-speed circular motion around the circle center to complete the spherical surface processing of the workpiece; the processing is completed through the controller and other mechanical structures, the operation is more accurate, the input cost is low, the labor of workers is reduced, the higher requirement on the proficiency of the workers is not required, and the production efficiency and the product quality can be greatly improved.

Description

Special tool for spherical surface machining of common lathe

Technical Field

The utility model relates to a lathe sphere processing technology field especially relates to a lathe's sphere processing specialized tool.

Background

At present, spherical parts are generally applied to mechanical manufacturing, spherical machining is generally performed by a numerical control machine, namely, the spherical machining is realized by a numerical control programming method, and the automatic installation investment cost is too high, so that the requirements of small-batch production and cost saving are not met. However, if the machining is performed only on a common machine tool by adopting a manufacturing process, the machined spherical part has a large error with a standard circular arc, the spherical surface is rough, the precision is low, the requirement on the technical proficiency of a machining worker is high, the production efficiency is low, and the conditions of unstable production and uneven product quality are caused. Therefore, the spherical surface processing can be completed by equipment with low cost, high efficiency and high quality, and the competitiveness of enterprises is increased urgently.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to among the prior art investment cost of numerically-controlled machine tool among the lathe sphere processing big, the lathe machining precision is low, require high shortcoming to the workman proficiency, provide a lathe's sphere processing specialized tool.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the special tool for spherical surface machining of the common lathe comprises a base, wherein a sliding groove is formed in the lower portion of the base, a sliding rail is arranged on the upper portion of the base, a working plate is further arranged on the sliding rail of the base, the sliding groove is formed in the bottom of the working plate, and the sliding groove is matched with the sliding rail on the base; the middle part of the working plate is provided with a rotary table through a middle shaft, and the outer side structure of the rotary table is designed to be a bevel gear; a slide rail is fixed on one side of the turntable, a stepping motor A is fixedly installed on the rear portion of the slide rail, the stepping motor A is connected with a cutter bar seat through a ball screw, a sliding groove is formed in the bottom of the cutter bar seat, and the sliding groove is matched with the slide rail on the turntable; the cutter bar seat is provided with a cutter bar, and the front end of the cutter bar is provided with a cutter head; one side of base be equipped with step motor B, step motor B front end be connected with the bevel gear, the bevel gear and the assembly of the bevel gear structure rodent outside the carousel.

Preferably, the sliding grooves at the lower part of the base are arranged on guide rails at two sides of the lathe.

Preferably, the central point of the turntable is located on the axis of the workpiece, and the tool bit and the axis of the workpiece are located on the same horizontal plane.

Preferably, the front ends of the stepping motor A and the stepping motor B are both provided with a fixing frame, and a ball is arranged in the fixing frame.

Preferably, the stepping motor A and the stepping motor B are connected with a controller, and the controller is a CNC controller.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: a circular turntable is arranged on the working plate, a tool bit is arranged on the turntable, and the tool bit moves in the radial direction by utilizing a stepping motor and a ball screw; the rotating disc is pushed to rotate by the cooperation of the engaging teeth of the bevel gear, and the tool bit performs low-speed circular motion around the circle center along with the rotating disc to complete the spherical surface machining of the workpiece; the processing is completed through the controller and other mechanical structures, the operation is more accurate, the input cost is low, the labor of workers is reduced, the higher requirement on the proficiency of the workers is not required, and the production efficiency and the product quality can be greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the present invention in use.

Fig. 3 is a plan view of the present invention in use.

The names of the parts indicated by the numerical references in the drawings are as follows: the device comprises a base 1, a working plate 2, a rotary table 3, a central shaft 3-1, a sliding rail 4, a stepping motor A5, a cutter bar seat 6, a cutter bar 7, a cutter head 8, a stepping motor B9, a bevel gear 10, a sliding chute 11, a sliding rail 12, a fixing frame 13, a ball 14, a workpiece 15, a chuck 16 and a controller 17.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it should be understood that the description indicating the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A special tool for spherical surface machining of a common lathe is shown in figures 1-3 and comprises a base 1, wherein a sliding groove 11 is formed in the lower portion of the base 1, and the sliding groove 11 in the lower portion of the base 1 is installed on guide rails on two sides of the lathe. The upper part of the base 1 is provided with a slide rail 12, the slide rail 12 of the base 1 is also provided with a working plate 2, the bottom of the working plate 2 is provided with a chute 11, and the chute 11 is matched with the slide rail 12 on the base 1; the middle part of the working plate 2 is provided with a rotary disc 3 through a middle shaft 3-1, and the outer side structure of the rotary disc 3 is designed into a bevel gear 10; a slide rail 4 is fixed on one side of the turntable 3, a stepping motor A5 is fixedly installed on the rear portion of the slide rail 4, the stepping motor A5 is connected with the cutter bar seat 6 through a ball screw, a slide groove is arranged at the bottom of the cutter bar seat 6, and the slide groove is matched with the slide rail on the turntable 3; the cutter bar seat 6 is provided with a cutter bar 7, and the front end of the cutter bar 7 is provided with a cutter head 8; the central point of the rotating disc 3 is positioned on the axis of the workpiece 15, and the tool bit 8 and the axis of the workpiece 15 are positioned on the same horizontal plane. One side of the base 1 is provided with a stepping motor B9, the front end of the stepping motor B9 is connected with a bevel gear 10, and the bevel gear 10 is assembled with a bevel gear 10 structure on the outer side of the turntable 3 in a tooth manner. The front ends of the stepping motor A5 and the stepping motor B9 are both provided with a fixing frame 13 which is firmer and not easy to displace, and the fixing frame 13 is internally provided with a ball 14 which is matched with a lead screw to push the tool rest to move. The stepping motor A5 and the stepping motor B9 are connected with a controller 17, and the controller 17 is a CNC controller.

The working principle of the device is as follows: the workpiece 15 is fixed by the chuck 16, the central axis of the workpiece 15 and the center of the turntable 3 are in the same vertical plane, and the height of the tool bit 8 and the central axis of the workpiece 15 are in the same horizontal plane. Turning on the lathe, starting the workpiece 15 to rotate, turning on a switch of the controller 17 through data in the controller 17 designed in advance, enabling the stepping motor A5 to work, pushing the tool bit 8 forward to a radius required by the workpiece 15, and enabling the tool bit 8 to start cutting the workpiece 15 at the moment; through the signal transmission of the controller 17, the stepping motor B9 works, and the bevel gear 10 structure at the front end of the stepping motor B9 and around the turntable 3 drives the turntable 3 to do low-speed circular motion around the middle shaft 3-1; the cutting system is driven by the turntable 3 to rotate until the workpiece 15 finishes the spherical surface processing. After the work is finished, the controller 17 controls the stepping motor, the turntable 3 and the cutting system to reset, and the next processing is prepared.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a lathe's sphere processing specialized tool, includes the base, the base lower part seted up the spout, base upper portion be equipped with slide rail, its characterized in that: the sliding rail of the base is also provided with a working plate, the bottom of the working plate is provided with a sliding chute, and the sliding chute is matched with the sliding rail on the base; the middle part of the working plate is provided with a rotary table through a middle shaft, and the outer side structure of the rotary table is designed to be a bevel gear; a slide rail is fixed on one side of the turntable, a stepping motor A is fixedly installed on the rear portion of the slide rail, the stepping motor A is connected with a cutter bar seat through a ball screw, a sliding groove is formed in the bottom of the cutter bar seat, and the sliding groove is matched with the slide rail on the turntable; the cutter bar seat is provided with a cutter bar, and the front end of the cutter bar is provided with a cutter head; one side of base be equipped with step motor B, step motor B front end be connected with the bevel gear, the bevel gear and the assembly of the bevel gear structure rodent outside the carousel.

2. The special tool for spherical surface machining of a lathe according to claim 1, wherein: and the sliding grooves at the lower part of the base are arranged on the guide rails at two sides of the lathe.

3. The special tool for spherical surface machining of a lathe according to claim 1, wherein: the central point of the rotary table is positioned on the axis of the workpiece, and the tool bit and the axis of the workpiece are positioned on the same horizontal plane.

4. The special tool for spherical surface machining of a lathe according to claim 1, wherein: the front ends of the stepping motor A and the stepping motor B are both provided with a fixing frame, and the fixing frame is internally provided with a ball.

5. The special tool for spherical surface machining of a lathe according to claim 1, wherein: the stepping motor A and the stepping motor B are connected with a controller, and the controller is a CNC controller.