KR20170064331A

KR20170064331A - Center Apparatus Of Lathe

Info

Publication number: KR20170064331A
Application number: KR1020150169975A
Authority: KR
Inventors: 윤장우
Original assignee: 현대자동차주식회사
Priority date: 2015-12-01
Filing date: 2015-12-01
Publication date: 2017-06-09
Also published as: KR101876004B1

Abstract

The present invention relates to a centering device for a lathe including a center assembly mounted on a tailstock to support a workpiece on a shelf, the centering assembly comprising: a centering device for a lathe that moves along the workpiece and includes a fixture for securing the workpiece; .

Description

{Center Apparatus Of Lathe}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a center apparatus for a lathe, and more particularly to a center apparatus for a lathe capable of supporting a center movement and a workpiece according to various workpieces.

A machine used for machining a metal or non-metal material to a shape and dimensions using appropriate tools, or for finer machining of a semi-finished material by various cutting or non-cutting methods is called a machine tool.

In the above-mentioned machine tool, a machine tool in which chips are generated during the machining process is called a cutting machine tool, and a non-cutting machine tool in which chips are not generated in the machining process is called a metal forming machine.

The above-mentioned cutting machine tool includes a lathe, a milling machine, a machining center, a drilling machine, a boring machine, a grinding machine, a gear processing machine, and a special processing machine. The metal forming machine includes a mechanical press, Cutting benders, cutters, and pullers.

The above-mentioned lathe is the same as the face lathe, which is a shelf used for cutting a workpiece having a short length and a large diameter, which is mainly used for cutting a section of a workpiece, have.

Such a shelf includes a tabletop shelf which is a shelf for processing small parts such as a clock part and a sewing machine part with a small shelf which is required to be installed on a work table, A chuck is placed vertically on the ground to facilitate the machining of large workpieces or irregularly shaped workpieces. Vertical shelves, which are convenient to attach and detach workpieces, and automatic modeling devices, When the tracer is installed and the tracer moves, various tools are installed in accordance with the process by using the imitating shelves which are the shelves for automatically machining parts with the same shape as the model or the template by moving the bites together and the rotary tool stand called turret And a lathe lathe for mass production of simple parts.

A center to be used for turning work of a workpiece is a kind of jig which supports a workpiece. In order to solve the problem that the workpiece can be used only once according to a workpiece, the present invention can cope with various workpieces, And a reusable centering device for the shelf.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, a center apparatus for a lathe according to an embodiment of the present invention is a center apparatus for a lathe including a center assembly mounted on a tailstock to support a workpiece on a lathe, And includes a fixing part for fixing the workpiece.

The center assembly includes a main body mounted on the tailstock, and a center through which the work is supported by the tailstock.

Further, the fixing portion may be installed in the main body so as to be movable in the radial direction according to the workpiece.

The fixing portion includes a pin block moving in a radial direction of the main body and a rotating pin coupled to the pin block to fix the workpiece.

In the pin block, a pinhole to which the taping pin is coupled is formed according to an object.

Further, a plurality of the pinholes may be formed in the pin block.

In addition, the center includes a head portion passing through the main body and supporting the workpiece, and a body portion extending from the head portion, and a pin moving path is formed in which a part is inserted by the movement of the pin block.

In the main body, a pin block groove through which the pin block moves is formed, and the pin moving path is formed to be perpendicular to the pin block groove.

In the main body, a fixing hole is formed on the outer circumference to fix the center.

The details of other embodiments are included in the detailed description and drawings.

According to the center apparatus of the lathe of the present invention, one or more of the following effects can be obtained.

According to the center apparatus of the lathe of the present invention, the positions of the rotating pins used in various workpieces such as the camshaft and the crankshaft can be exchanged, thereby eliminating the need for center exchange according to the workpiece.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view showing one embodiment of a center assembly of the present invention.
2 is an exploded perspective view showing the center assembly of the present invention.
3 is a perspective view showing an embodiment of the center assembly.
4 is a perspective view showing another embodiment of the center assembly.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the drawings for explaining a center apparatus of a lathe according to embodiments of the present invention.

FIG. 3 is a perspective view showing an embodiment of the center assembly, and FIG. 4 is a perspective view showing the center assembly of the center assembly according to the present invention. And Fig.

A preferred centering device of a lathe of a vehicle can be changed by a person having ordinary skill in the art, and in the present embodiment is a center device of a lathe.

FIG. 1 is a perspective view showing one embodiment of a center assembly of the present invention, and FIG. 2 is an exploded perspective view showing a center assembly of the present invention.

1 and 2, a center apparatus of a lathe including a center assembly 10 mounted on a tailstock to support a workpiece on a shelf, (40, 50) for moving according to the workpiece and fixing the workpiece.

The center assembly 10 includes a main body 20 mounted on a tailstock and a center 30 passing through the main body 20 and supporting and fixing the workpiece to the tailstock.

The main body 20 is mounted on the tailstock to support the workpiece on the opposite side of the main shaft. The main body 20 is formed with a pin block groove 20a through which the pin block 40 moves. The pin block grooves 20a are formed in the radial direction of the main body 20, and the pin block 40 moves according to the diameter of the workpiece.

The main body 20 is formed with a fixing hole 25 on its outer circumference to fix the center 30. And can be fixed to the center (30) and the fastening member through the fixing hole (25). The center 30 is inserted into the center of the main body 20.

The center 30 is provided to be movable in the axial direction through the center of the main body 20. [ The center 30 includes a head portion 34 extending through the body 20 and supporting the workpiece and a body portion 32 extending from the head portion 34.

The head 34 of the center 30 is formed in a conical shape to be inserted into the main body 20 and the work 1. [ A part of the pin block 40 which moves along the workpiece is inserted into the pin moving path 34a formed in the axial direction of the center 30 in the head part 34. [

The pin transfer path 34a is formed in the head portion 34 and formed to be perpendicular to the pin block grooves 20a. A part of the pin block 40 is inserted into the pin moving path 34a even when the pin block 40 is moved in the radial direction of the main body 20, (50) can be inserted.

The fixing portions 40 and 50 can be installed on the main body 20 so as to be movable in the radial direction according to the workpiece. The fastening portions 40 and 50 include a pin block 40 moving in the radial direction of the main body 20 and a rotating pin 50 coupled to the pin block 40 to fix the workpiece.

The pin block 40 can be inserted into the pin block groove 20a and moved in the radial direction of the main body 20. [ The pin block 40 can be moved in the pin block groove 20a according to the object and pinholes 42 and 44 to which the rotating pin 50 for fixing the workpiece are coupled are formed. A plurality of pinholes 42 and 44 are formed in the pin block 40. The first pinhole 42 and the second pinhole 44 are applied to one embodiment and another embodiment of the present invention, respectively. That is, in one embodiment, the rotatable pin 50 is shown coupled to the first pinhole 42, while in another embodiment, the rotating pin 50 is shown coupled to the second pinhole 44 .

The rotation pin 50 is inserted and fixed to the pinholes 42 and 44 and fixes and supports the work 1 like the center 30. The rotating pin 50 may be inserted into and fixed to the pinholes 42 and 44 according to the diameter of the work 1. [

The operation of the center device of the lathe according to the present invention will be described below.

3 is a perspective view showing an embodiment of the center assembly.

3, a center block 10 installed on a tailstock of a shelf is provided with a pin block 40 on a main body 20 and a work block 1 ). &Lt; / RTI >

The rotation pin 60 is engaged with the first pin hole 42 of the pin block 40 so that the rotation pin 60 is inserted into the work hole 1a of the work 1. [

Next, a workpiece supported from a main shaft (not shown) is positioned in alignment with the center 30 penetrating the main body 20. At this time, the pin fixing hole 1a of the workpiece 1 is inserted in correspondence with the rotating pin 60, and the pin fixing hole 1a is supported and positioned around the head portion 34 of the center 30.

Here, the center 30 can be moved in the axial direction to support the work 1, and is not disturbed from the pin block 40 by the pin movement path 34a when the center 30 moves.

4 is a perspective view showing another embodiment of the center assembly.

4 is a perspective view illustrating a center assembly of a lathe according to another embodiment of the present invention. Referring to FIG. 4, Is adjusted according to the diameter of the workpiece 101. [

The rotation pin 160 is engaged with the pin block 140 so that the rotation pin 160 is inserted into the work hole 101a of the workpiece 101. [

Next, the workpiece supported from the main shaft (not shown) is aligned with the center 130 passing through the main body 120. At this time, the pin fixing hole 101a of the workpiece 101 is inserted in correspondence with the rotating pin 160, and the pin fixing hole 101a is positioned about the head portion 134 of the center 130 and supported.

Here, the center 130 can be moved in the axial direction to support the work 101, and is not disturbed from the pin block 140 by the pin movement path 134a when the center 130 is moved.

According to the center device of the lathe of the present invention, a plurality of cam profiles can be designed around the rotatable pins 50 at necessary angles, and workpieces (such as cam shafts) having different specifications for each type of vehicle can be applied. That is, the pin block 40 can be moved to the pin moving path 34a according to the center reference diameter, and the position of the rotating pin 50 inserted into the pin block 40 can be adjusted, And the like can be coupled and fixed to the rotating pin 50, so that it is possible to apply a workpiece having different specifications.

The center device of the lathe according to the embodiment can be applied to a configuration and a method of the embodiments described above in a limited manner, but the embodiments can be modified so that all or some of the embodiments are selectively And may be configured in combination.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the present invention.

<Detailed Description of Main Drawings>
10: center assembly 20: body
30: center 40: pin block
50: Rota Ting Pin

Claims

A center apparatus for a lathe comprising a center assembly mounted on a tailstock to support a workpiece on the shelf,
The center assembly includes:
A centering device of a lathe comprising a fixture for moving according to a workpiece and fixing the workpiece.

The method according to claim 1,
The center assembly includes:
A main body mounted on the tailstock,
And a center passing through the main body to support and fix the workpiece to the tailstock.

3. The method of claim 2,
The fixing unit includes:
A center device of a lathe provided on the body so as to be movable in a radial direction according to a workpiece.

The method of claim 3,
The fixing unit includes:
A pin block moving in the radial direction of the main body;
And a rotatable pin coupled to the pin block for securing the workpiece.

5. The method of claim 4,
The pin block includes:
And a pinhole to which the taping pin is coupled is formed according to an object.

6. The method of claim 5,
The pin-
Wherein a plurality of pin blocks are formed in the pin block.

6. The method of claim 5,
The center,
A head portion passing through the main body and supporting the workpiece,
And a body portion extending from the head portion,
And a pin movement path in which a part of the pin block is inserted by movement of the pin block is formed.

5. The method of claim 4,
The main body includes:
A pin block groove through which the pin block moves is formed,
The pin transfer path
And the center block of the lathe is formed to be perpendicular to the pin block groove.

3. The method of claim 2,
The main body includes:
And a fixing hole formed on an outer circumferential surface thereof to fix the center.

A tail rest supporting the workpiece of the shelf; And
And a body mounted on the tailstock,
The main body includes:
A pin block moving in the radial direction of the main body,
And a rotatable pin coupled to the pin block for securing the object.

11. The method of claim 10,
In the main body,
And a center disposed to penetrate to support the workpiece,
In the center,
And a pin moving path in which the pin convex part is moved and a part of which is inserted is formed.