KR101536180B1 - Shaft multiprocessing machine - Google Patents

Shaft multiprocessing machine Download PDF

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Publication number
KR101536180B1
KR101536180B1 KR1020140110594A KR20140110594A KR101536180B1 KR 101536180 B1 KR101536180 B1 KR 101536180B1 KR 1020140110594 A KR1020140110594 A KR 1020140110594A KR 20140110594 A KR20140110594 A KR 20140110594A KR 101536180 B1 KR101536180 B1 KR 101536180B1
Authority
KR
South Korea
Prior art keywords
shaft
installed
milling
tailstock
turret
Prior art date
Application number
KR1020140110594A
Other languages
Korean (ko)
Inventor
최우각
백사성
이영식
Original Assignee
(주)대성하이텍
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Publication date
Application filed by (주)대성하이텍 filed Critical (주)대성하이텍
Priority to KR1020140110594A priority Critical patent/KR101536180B1/en
Application granted granted Critical
Publication of KR101536180B1 publication Critical patent/KR101536180B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B47/00Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • B23B47/28Drill jigs for workpieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23POTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/02Machine tools for performing different machining operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means

Abstract

A multiprocessing machine for a shaft according to the present invention forms a surface shape and a hollow unit of a shaft. The multiprocessing machine for a shaft comprises: a headstock installed on one side of a main body, and wherein one end of a shaft is mounted thereon or removed therefrom to rotate the shaft; a tailstock installed on the other side of the main body on a line on which the headstock is disposed in a transverse direction to move to a left and a right, and wherein the other end of the shaft is mounted thereon or removed therefrom, or a drilling tool is mounted thereon or removed therefrom; a milling headstock installed on the main body to move in an upper portion between the headstock and the tailstock, and wherein a milling tool is mounted thereon or removed therefrom to perform a milling process on a surface of the shaft; and a turret assembly installed on the main body to move in a lower portion between the headstock and the tailstock, and wherein a plurality of cutting tools are radially installed thereon to sequentially process the surface of the shaft. Accordingly, the present invention uses the cutting tools of the turret assembly to cut the surface of the shaft installed between the headstock and the tailstock, uses the drilling tool installed on the tailstock to form a hollow unit of the shaft, and uses the milling tool installed on the milling headstock to perform a milling process on the surface of the shaft. Therefore, the processes for cutting and milling the surface of the shaft and drilling the hollow unit of the shaft can be easily performed by a single machine. The multiprocessing machine for a shaft is formed in a compact shape to easily improve spatial usage.

Description

{SHAFT MULTIPROCESSING MACHINE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shaft combined machining apparatus, and more particularly, to a shaft combined machining apparatus that can easily process a surface of a shaft, finish machining, milling, So that the space utilization degree can be easily improved.

Shafts are used for many purposes such as shafts of powertrain for automobiles, shafts for power transmission, etc. These shafts are used for cutting of circumferential surfaces by cutting, milling and drilling, forming grooves, worm wheels and hollow parts .

Therefore, in the related art, the peripheral surface of the shaft is cut using a lathe, and a milling machine is used for milling to form a worm wheel, a tooth, a spline groove and the like of the shaft, and a drilling machine, The reaming process is performed.

Accordingly, since each of the machining processes described above is processed by using a machine suited to each application, it takes a lot of time for carrying and loading operations, resulting in deterioration of workability and precision, raising the cost of the product, As well.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the prior art as described above, and it is an object of the present invention to provide a machining method, a drilling method, and a milling method, Which is capable of easily machining, machining and drilling a hollow portion of a shaft with a single device, and is formed in a compact shape to easily improve space utilization.

In order to achieve the above object, according to the present invention, there is provided a shaft composite machining apparatus comprising a shaft and a hollow portion, wherein a main shaft is installed on one side of the main body, And a milling tool is attached and detached so that the milling tool is attached to and detached from the other side of the main body on the other side of the main body so as to mill the surface of the shaft, A turret assembly in which a plurality of cutting tools are radially installed for sequentially machining a surface of a shaft is installed on the main body at an upper portion between the main shaft and the tailstock, In the lower part between the stitches, To provide a shaft made of composite processing machine including those.

And a shaft supporting means for supporting the shaft is provided at one side of the turret formed in the turret assembly, wherein the shaft supporting means is provided with a dustproof case on one side of the turret, and two rollers Wherein a mounting roller is rotatably mounted and a supporting roller for supporting both sides of the outer surface of the shaft is rotatably mounted on the upper end of the roller mounting member, And the two roller-mounting members are rotated in accordance with the operation of the actuator, so that the two support rollers are spaced apart from or close to each other.

A dustproof case is installed on the turret provided in the turret assembly and a guide member for guiding the drilling tool is mounted on the turret provided in the turret assembly when a drilling tool is installed on the tailstock and a shaft is installed on the main shaft to process the hollow portion of the shaft. Is installed on the outer surface of the dustproof case.

And a milling tool support means for supporting a lower end portion of a milling tool provided on the milling headstock, wherein the milling tool support means is provided with a hobbing case on the turret, and a lower end portion of the milling tool is inserted A brake disc is installed on the circumferential surface of the milling tool support body, and a brake for stopping the brake disc is provided on the circumference of the milling tool support body, And is installed around the case.

In the shaft composite machining apparatus according to the present invention, the shaft surface provided between the main shaft and the tailstock is cut using a cutting tool of the turret assembly, a hollow portion of the shaft is formed by a drilling tool installed on the tailstock, Since the surface of the shaft is milled by the milling tool installed on the main shaft, the surface cutting and finishing of the shaft, the milling, and the drilling of the hollow portion of the shaft can be easily performed by a single device, It is advantageous that space utilization can be easily improved.

In addition, during the operation of the drill bit, which is installed on the tailstock, vibration of the shaft is prevented by the support rollers supporting the outer upper sides of the shaft rotated at a high speed. Therefore, And the drilling tool can drill the hollow portion of the shaft in a correct posture due to the guide member for guiding the drilling tool during the operation of the drill bit.

In addition, when machining a shaft with a milling tool mounted on the milling headstock, it supports the lower end of the milling tool, so that the surface of the shaft can be easily machined with a milling tool and the brake disk and milling tool support So that the precision of the milling operation can be easily improved.

1 is a three-dimensional view showing a shaft combined machining apparatus according to the present invention.
2 is an excerpt diagram for explaining the operation of the gun drill applied to the shaft combined machining apparatus according to the present invention.
Fig. 3 is an excerpt diagram for explaining the milling operation applied to the shaft combined machining apparatus according to the present invention.
FIGS. 4 and 5 are cross-sectional views for explaining a shaft supporting means applied to a turret assembly included in a combined shaft machining apparatus according to the present invention.
6 is a cross-sectional view showing a milling tool supporting means applied to a turret assembly provided in a shaft combined machining apparatus according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1 to 3 are views showing a turret assembly having a dustproof structure for a shaft combined machine according to the present invention, wherein the shaft combined machine is provided with a main shaft 2 on one side of a main body 1, (3) is provided on the other side of the main body (1) so as to be movable laterally from the main shaft (2) and the tailstock (3) The surface of the shaft 100 is cut with a plurality of cutting tools 4a provided on the turret assembly 4. The surface of the shaft 100 is machined by a milling tool 5a provided on the milling headstock 5, And a hollow portion of the shaft 100 is formed by a drilling tool 3a by a drill bit method.

Here, the pivot shaft 2 is installed on one side of the main body 1, and can detach the one end of the shaft 100, and rotates the installed shaft 100 with power.

The tailstock 3 is provided so as to be movable laterally on the other side of the main body 1 in a straight line in the lateral direction with respect to the main shaft 2, The tool 3a is attached and detached.

The turret assembly 4 includes a plurality of cutting tools 4a radially provided for machining the surface of the shaft 100 in a radial manner and a lower portion between the main shaft 2 and the tailstock 3, (Not shown).

The milling spindle 5 is for milling the surface of the shaft 100 by attaching and detaching a milling tool 5a to the main body 1 at an upper portion between the main spindle 2 and the tailstock 3. [ And can be moved up and down and left and right.

Of course, the detailed configuration of the main shaft 2 and the motor for driving the milling main shaft 5 is widely used in a machine tool such as a current shelf, and a detailed description thereof will be omitted. Such as a guide rail and a ball screw, are also used in machine tools, so that their detailed description is omitted.

The drill tool 3a is attached to and detached from the tailstock 3 so that the drill tool 3a can be attached to and detached from the tip end of the tailstock 3 by applying a structure similar to that of the tip of the main shaft 2 Is applied to the distal end of the tailstock (3).

In the shaft combined machining apparatus according to the present invention as described above, the surface of the shaft 100 installed between the main shaft 2 and the tailstock 3 is machined using a cutting tool 4a provided in the turret assembly 4, And a hollow hole of the shaft 100 provided on the main shaft 2 can be formed after the drilling tool 3a is installed on the tailstock 3. The shaft of the main shaft 2 can be cut, The surface of the shaft 100 provided between the tailstock 3 and the tailstock 3 can be milled using a milling tool 5a provided on the milling headstock 5.

In the present invention, as shown in FIGS. 1, 2, 3 and 4, in order to reduce the vibration of the shaft 100 during the operation of the gun drill to smooth the drilling process, And a shaft supporting means for supporting the shaft 100 is installed on one side of the turret 4b.

That is, as shown in FIGS. 4 and 5, the shaft support means reduces or prevents vibration generated when the shaft 100 rotates at a high speed, thereby enhancing the degree of processing of the shaft 100, A dustproof case 11 is provided on one side of the turret 4b and two roller mounting members 12 are rotatably installed in the dustproof case 11 and both sides of the outer surface of the shaft 100 A supporting roller 13 for supporting the roller mounting member 12 is rotatably mounted on the upper end of the roller mounting member 12 and an actuator 14 for rotating the roller mounting member 12 is disposed inside the dustproof case 11 It is a structure to be installed.

Of course, the actuator 14 is like a hydraulic cylinder, a pneumatic cylinder and an electric actuator, and two links 15 are respectively hinged to the lower part of the two roller installation members 12, The end of the rod 14a of the actuator 14 is hinged to move the link 15 by the operation of the actuator 14 to realize the rotation of the two roller mounting members 12. [

The two roller support members 12 are rotated by the actuator 14 so that the two support rollers 13 are spaced apart from or close to each other and the shaft 100 installed on the main shaft 2 The vibration of the shaft 100 supported by the two support rollers 13 between the roller installation members 12 and being rotated at a high speed by the main shaft 2 is reduced.

2, a drilling tool 3a is installed on a tailstock 3 and a shaft 100 is installed on a main shaft 2 to process a hollow portion of the shaft 100. In this embodiment, A guide member 16 for guiding the drilling tool 3a is installed on the outer surface of the dustproof casing 11. [

The shaft supporting means included in the turret assembly of the shaft combined machining apparatus according to the present invention is not used for machining with the cutting tool 4a provided in the turret assembly 4 but is used at the time of touching work as shown in Fig. desirable.

5, the actuator 14 is operated to rotate the two roller mounting members 12 to separate the two support rollers 13 from each other, and then the shaft 100 is moved to the main shaft 2, The drilling tool 3a is inserted into the guide member 16 while installing the drilling tool 3a on the tailstock 3 and the actuator 14 is operated as shown in Fig. 12 are rotated to bring the two support rollers 13 close to each other to support both sides of the outer surface of the shaft 100. [

In this state, the main spindle 2 is operated to move the tail stock 3 in a state where the shaft 100 is rotated at high speed to form the hollow portion of the shaft 100 with the drilling tool 3a, The vibration of the shaft 100 rotating at a high speed due to the support action of the support roller 13 is reduced and the drilling tool 3a smoothly moves linearly due to the guide member 16 to precisely move the hollow portion of the shaft 100 It can be processed.

In the present invention, the turret assembly 4 is provided with a hobbing support structure, which includes a structure in which a milling tool supporting means for supporting a lower end of the milling tool 5a is installed on one side of the circumferential surface of the turret 4b .

3, the milling tool support means is provided with a hobbing case 21 on the turret 4b and an insertion portion 22a for inserting the lower end of the milling tool 5a, And a milling tool support body 22 for supporting the lower end of the hinge case 5a is rotatably installed at a central portion of the hinge case 21. [

6, a brake disk 23 is mounted on the circumferential surface of the milling tool support body 22 so as to quickly stop the milling tool support body 22 and quickly stop the rotation of the milling tool 5a. And a brake 24 for stopping the brake disc 23 is installed around the hobbing case 21. [

Of course, the brake 24 includes a brake pad 24a for stopping the brake disc 23, and a hydraulic brake, a brake pad 24a applied to a vehicle or the like for operating the brake pad 24a by hydraulic pressure, An electromagnetic brake that operates in an electromagnetism mode can be applied.

For example, in the case of a hydraulic brake, as shown in Fig. 6, two brake pads 24a press and stop the brake disc 23 according to the operation of the hydraulic cylinder 24b, and when the brake disc 23 is stopped, And stops the milling tool 5a together with the tool support 22.

The milling tool support means included in the turret assembly of the shaft composite machining apparatus according to the present invention is not used for machining the shaft 100 with the cutting tool 4a provided on the turret assembly 4, 5 for machining the shaft 100 with the milling tool 5a.

3, when the milling tool 5a provided on the milling spindle 5 performs screw-type machining or worm machining on the surface of the shaft 100, insertion of the milling tool support body 22, The milling tool 5a is moved to the milling main shaft 5 in accordance with the rotation of the shaft 100 between the main shaft 2 and the tailstock 3 in a state in which the lower end of the milling tool 5a is inserted into the shaft 22a. .

Since the milling tool support 22 is smoothly rotated together with the milling tool 5a to support the milling tool 5a, the force generated in the radial direction of the shaft 100 when the shaft 100 is machined It is possible to prevent the position of the milling tool 5a from being minutely varied.

Furthermore, in order to quickly stop the milling tool 5a, the brake 24 is actuated to brake the brake disk 23 so that the milling tool support 22 and the milling tool 5a ) Can be stopped, and the accuracy of the milling process can be increased.

1: Main body 2: Main spindle
3: tailstock 3a: drilling tool
4: Turret assembly 4a: Cutting tool
4b: Turret 5: Milling spindle
5a: milling tool 11: dustproof case
12: roller mounting member 13: support roller
14: actuator 15: link
16: guide member 21: hobbing case
22: milling tool support body 22a:
23: brake disc 24: brake
24a: Brake disk 24b: Hydraulic cylinder

Claims (4)

  1. A shaft combined working machine comprising a shaft and a hollow portion,
    A headstock is mounted on one side of the main body for attaching / detaching one end of the shaft to the main body of the main body, the other end of the shaft being detached or detached, And a milling spindle for milling the surface of the shaft is installed on the main body at an upper portion between the main spindle and the tailstock so as to be movable up and down and left and right, A turret assembly in which a plurality of cutting tools for radial machining are installed so as to be movable up and down and left and right on a lower portion between the main shaft and the tailstock, and a lower end portion of a milling tool installed on the milling main shaft is supported The milling tool support means being mounted on the turret,
    The milling tool support means includes a hammering case provided on the turret and an insertion portion for inserting a lower end portion of the milling tool so that a milling tool support body supporting the lower end portion of the milling tool is rotatably installed at a central portion of the case, Wherein a brake disk is provided on a circumferential surface of the tool support body, and a brake for stopping the brake disk is installed around the hobbing case.
  2. The method according to claim 1,
    And a shaft supporting means for supporting the shaft is installed on one side of the turret formed in the turret assembly,
    Wherein the shaft supporting means is provided with a dustproof case at one side of the turret, two roller mounting members are rotatably installed inside the dustproof case, and support rollers, which respectively support both sides of the outer surface of the shaft, And an actuator that rotates the roller mounting member is installed inside the dustproof case to rotate the two roller mounting members according to the operation of the actuator so that the two support rollers are separated from each other And a shaft.
  3. The method according to claim 1,
    A dustproof case is installed on a turret provided in the turret assembly and a drilling tool is mounted on the turret provided in the turret assembly when a drilling tool is installed on the tailstock and a shaft is installed on the main shaft to process a hollow portion of the shaft. And a guide member provided on the outer surface of the dustproof case.
  4. delete
KR1020140110594A 2014-08-25 2014-08-25 Shaft multiprocessing machine KR101536180B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020140110594A KR101536180B1 (en) 2014-08-25 2014-08-25 Shaft multiprocessing machine

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Application Number Priority Date Filing Date Title
KR1020140110594A KR101536180B1 (en) 2014-08-25 2014-08-25 Shaft multiprocessing machine

Publications (1)

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KR101536180B1 true KR101536180B1 (en) 2015-07-13

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Application Number Title Priority Date Filing Date
KR1020140110594A KR101536180B1 (en) 2014-08-25 2014-08-25 Shaft multiprocessing machine

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01171701A (en) * 1987-12-24 1989-07-06 Yamazaki Mazak Corp Composite working machine tool
KR19980043796U (en) * 1996-12-26 1998-09-25 양재신 Chip removing device in the cylinder head for processing the drill
US20090071301A1 (en) * 2007-09-19 2009-03-19 Sang Cheol An Automatic Lathe
US20090112355A1 (en) * 2007-03-02 2009-04-30 Mori Seiki Usa, Inc. Device and Method for Dressing Cutting Tools

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01171701A (en) * 1987-12-24 1989-07-06 Yamazaki Mazak Corp Composite working machine tool
KR19980043796U (en) * 1996-12-26 1998-09-25 양재신 Chip removing device in the cylinder head for processing the drill
US20090112355A1 (en) * 2007-03-02 2009-04-30 Mori Seiki Usa, Inc. Device and Method for Dressing Cutting Tools
US20090071301A1 (en) * 2007-09-19 2009-03-19 Sang Cheol An Automatic Lathe

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