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WO2018174465A1 - Lit de machine-outil et ensemble lit le comprenant - Google Patents

Lit de machine-outil et ensemble lit le comprenant Download PDF

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Publication number
WO2018174465A1
WO2018174465A1 PCT/KR2018/003033 KR2018003033W WO2018174465A1 WO 2018174465 A1 WO2018174465 A1 WO 2018174465A1 KR 2018003033 W KR2018003033 W KR 2018003033W WO 2018174465 A1 WO2018174465 A1 WO 2018174465A1
Authority
WO
WIPO (PCT)
Prior art keywords
bed
spindle
chip
inclined surface
cutting oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2018/003033
Other languages
English (en)
Korean (ko)
Inventor
권태형
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DN Solutions Co Ltd
Original Assignee
Doosan Machine Tools Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Doosan Machine Tools Co Ltd filed Critical Doosan Machine Tools Co Ltd
Publication of WO2018174465A1 publication Critical patent/WO2018174465A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, 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
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/015—Frames, beds, pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B3/00—General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines
    • B23B3/08—Turning-machines characterised by the use of faceplates
    • B23B3/10—Turning-machines characterised by the use of faceplates with the faceplate horizontal, i.e. vertical boring and turning machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, 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
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/34—Devices for discharging articles or materials from conveyor 
    • B65G47/44—Arrangements or applications of hoppers or chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2250/00—Compensating adverse effects during turning, boring or drilling
    • B23B2250/12—Cooling and lubrication
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/04—Bulk

Definitions

  • the present invention relates to a bed of a machine tool and a bed assembly comprising the same, more particularly to a bed of a vertical lathe, and a bed assembly comprising such a bed.
  • machine tools can be divided into turning centers and machining centers.
  • the machining center can machine workpieces using rotating tools.
  • the turning center can use a tool to machine the workpiece being rotated.
  • the turning center may comprise a spindle for rotating the workpiece and a bed for receiving the spindle. Chips and coolant generated during machining of the workpiece rotated by the spindle can be collected in the oil pan via the chip conveyor.
  • the oil pan and chip conveyor can be provided separately on the outside of the bed. That is, the oil pan and the chip conveyor can be assembled on the outer surface of the bed.
  • the chip conveyor disposed outside the bed cannot efficiently discharge chips and cutting oil generated inside the bed. In particular, it may not be easy to remove chips and cutting oil loaded on the horizontal portion of the oil pan.
  • the cutting oil may leak due to the aging of the oil pan assembled to the bed. In particular, cutting oil may leak from the chip conveyor disposed outside the bed.
  • the lubricating oil for lubricating the spindle can be mixed with the cutting oil, so that the lubricating oil cannot be used again.
  • the present invention provides a bed of machine tools capable of effectively discharging chips and cutting oil, preventing leakage of cutting oil and reusing lubricant.
  • the present invention also provides a bed assembly comprising the bed described above.
  • the bed of a machine tool may include a body portion and a guide portion.
  • the body portion can receive a spindle.
  • the guide portion may extend from the body portion to guide chips and cutting oil to the bottom surface of the body portion.
  • the guide part may have at least one inclined surface for guiding the chip and the cutting oil to the bottom surface of the body part.
  • the inclined surface may include first and second side inclined surfaces disposed on both sides of the spindle, and a central inclined surface disposed between the first and second side inclined surfaces.
  • the central inclined surface may be formed as a pair inclined toward the first and second side inclined surfaces, respectively.
  • the bed may further include a storage unit formed under the central inclined surface to store lubricating oil for lubricating the spindle.
  • the bed may further include a receiving portion formed on the body portion to receive the spindle and to prevent the cutting oil from penetrating into the spindle.
  • a bed assembly of a machine tool may comprise a bed and at least one chip conveyor.
  • the bed may include a body portion accommodating a spindle, and a guide portion extending from the body portion to guide chips and cutting oil to the chip conveyor.
  • the chip conveyor may be disposed inside the bed to discharge the chip and the cutting oil.
  • the guide part may have at least one inclined surface for guiding the chip and the cutting oil to the bottom surface of the body part.
  • the bed may further include a receiving portion formed on the body portion to receive the spindle and to prevent the cutting oil from penetrating into the spindle.
  • the chip conveyor may be formed in a pair extending from both sides of the spindle.
  • the bed assembly may further include at least one chip chute disposed under the inclined surface to transfer the chips and the cutting oil to the chip conveyor.
  • the bed assembly may further include a coolant nozzle disposed on the body to spray coolant to the inclined surface to remove the chip remaining on the inclined surface.
  • the machine tool may comprise a vertical lathe.
  • the guide portion for collecting chips and cutting oil may be integrally formed in the bed.
  • the guide portion has at least one inclined surface for guiding the chip and the cutting oil downward, the chip and the cutting oil can be efficiently guided to the chip conveyor.
  • the penetration of the cutting oil into the spindle by the receiving portion accommodating the spindle can be prevented, so that the lubricant lubricating the spindle can be prevented from being contaminated by the cutting oil.
  • the chip conveyor is disposed inside the bed, it is possible to prevent the cutting oil from leaking.
  • FIG. 1 is a perspective view showing a bed assembly of a machine tool according to an embodiment of the present invention.
  • FIG. 2 is a perspective view showing the internal structure of the bed assembly shown in FIG.
  • FIG. 3 is a plan view of the bed assembly shown in FIG.
  • FIG. 4 is a cross-sectional view taken along line IV-IV 'of FIG. 3.
  • FIG. 5 is a cross-sectional view taken along the line VV ′ of FIG. 3.
  • first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
  • the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.
  • FIG. 1 is a perspective view showing a bed assembly of a machine tool according to an embodiment of the present invention
  • Figure 2 is a perspective view showing the internal structure of the bed assembly shown in Figure 1
  • Figure 3 shows the bed assembly shown in Figure 2 4 is a cross-sectional view taken along line IV-IV 'of FIG. 3
  • FIG. 5 is a cross-sectional view taken along line VV ′ of FIG. 3.
  • the bed assembly of the machine tool includes a bed 110, first and second chip chutes 150 and 152 and first and second chip conveyors 140 and 142. ) May be included.
  • the machine tool may comprise a turning center.
  • the turning center may comprise a vertical lathe.
  • the workpiece W can be rotated about the vertical axis by the spindle S.
  • the spindle S may be mounted on the table T.
  • the bed assembly of this embodiment can also be applied to other kinds of machine tools.
  • the bed 110 may accommodate a table T and a spindle S.
  • the bed 110 may collect chips and cutting oil generated during workpiece processing. That is, the bed 110 of the present embodiment may have a function of an oil pan.
  • the bed 110 may include a body 120 and a guide 130.
  • Body portion 120 may include a receiving portion 122 surrounding the outer peripheral surface of the table (T) and the spindle (S).
  • the receiving part 122 may be disposed at the central portion of the body part 120.
  • the receiving part 122 may have a shape spaced apart from the outer circumferential surface of the spindle S at regular intervals.
  • the receptacle 122 may have a substantially ring shape.
  • the receiving portion 122 surrounds the spindle S, chips and cutting oil cannot penetrate into the spindle S. That is, the receiving portion 122 can prevent the movement of the chip and the cutting oil into the spindle (S). Therefore, the lubricating oil supplied into the receiving portion 122 to lubricate the spindle S can be prevented from mixing with the cutting oil. As a result, the lubricating oil not contaminated by the cutting oil can be recovered again, and the lubricating oil can be reused for the purpose of lubricating the spindle S.
  • the guide part 130 may extend from both sides of the spindle S from the body part 120. That is, the guide part 130 may be integrally formed with the body part 120.
  • the guide unit 130 may guide the chip and the cutting oil generated during the workpiece processing to the bottom surface of the bed 110.
  • the guide 130 may include a first side inclined surface 132, a second side inclined surface 134, and first and second central inclined surfaces 136 and 138.
  • the first side inclined surface 132 may be disposed on the left side of the spindle (S).
  • the first side inclined surface 132 may have a shape inclined toward the spindle S. Accordingly, the chip and the cutting oil dropped on the first side inclined surface 132 may be guided to the left bottom surface of the bed 110 along the first side inclined surface 132.
  • the first chip chute 150 may be disposed on a bottom left side of the bed 110.
  • the first chip chute 150 may be extended toward the rear surface of the bed 110 in a horizontal direction from the left side of the spindle (S).
  • the first chip chute 150 may move the chip and the cutting oil guided by the first side inclined surface 132 to the rear surface of the bed 110.
  • the first chip conveyor 140 may be connected to the rear end of the first chip chute 150.
  • the first chip conveyor 140 may be disposed in the bed 110.
  • the chips and cutting oil transferred by the first chip chute 150 may be discharged to the outside of the bed 110 by the first chip conveyor 140. Since the first chip conveyor 140 is disposed inside the bed 110, cutting oil leakage may be prevented.
  • the second side inclined surface 134 may be disposed on the right side of the spindle S.
  • the second side inclined surface 134 may have a shape inclined toward the spindle S. Therefore, the chip and the cutting oil dropped on the second side inclined surface 134 of this shape may be guided to the right bottom surface of the bed 110 along the second side inclined surface 134.
  • the second chip chute 152 may be disposed on the bottom right side of the bed 110.
  • the second chip chute 152 may extend long toward the rear surface of the bed 110 in a horizontal direction from the right side of the spindle S.
  • the second chip chute 152 may move the chip and the cutting oil guided by the second side inclined surface 134 to the rear surface of the bed 110.
  • the second chip conveyor 142 may be connected to the rear end of the second chip chute 152.
  • the second chip conveyor 142 may be disposed inside the bed 110.
  • the chips and cutting oil transferred by the second chip chute 152 may be discharged to the outside of the bed 110 by the second chip conveyor 142. Since the second chip conveyor 142 is disposed inside the bed 110, leakage of cutting oil may be prevented.
  • the first and second central inclined surfaces 136 and 138 may be disposed between the first side inclined surface 132 and the second side inclined surface 134.
  • the first and second central inclined surfaces 136 and 138 may be disposed at the rear of the spindle S.
  • the first central inclined surface 136 may have a shape inclined from the central portion of the bed 110 toward the first side inclined surface 132.
  • the chip and the cutting oil dropped on the first central inclined surface 136 may be moved to the first chip chute 150 along the first central inclined surface 136.
  • the first chip chute 150 may transfer the chips and the cutting oil guided by the first central inclined surface 136 to the first chip conveyor 140.
  • the second central inclined surface 138 may have a shape inclined from the central portion of the bed 110 toward the second side inclined surface 134.
  • the chip and the cutting oil dropped on the second central inclined surface 138 may be moved to the second chip chute 152 along the second central inclined surface 138.
  • the second chip chute 152 may transfer the chips and the cutting oil guided by the second central inclined surface 138 to the second chip conveyor 142.
  • the first central inclined surface 136 and the second central inclined surface 138 may share an upper end. Therefore, the sum of the first center inclined surface 136 and the second center inclined surface 138 may have a substantially triangular cross-sectional shape.
  • central inclined surfaces having substantially the same shape as the first and second central inclined surfaces 136 and 138 may also be disposed in front of the spindle S.
  • a coolant nozzle 160 may be disposed in the body 120.
  • the coolant nozzle 160 injects the coolant to the first and second central inclined surfaces 136 and 138 to remove chips remaining on the first and second central inclined surfaces 136 and 138.
  • 2 chip chute (150, 152) can be moved.
  • the coolant nozzle 160 may be positioned at a portion of the body 120 which is an upper portion of the upper ends of the first and second central inclined surfaces 136 and 138.
  • the coolant nozzle 160 may receive a coolant from the cleat block 162.
  • coolant nozzle 160 is also disposed on top of the first and second side slopes 132, 134 to cool the chips remaining on the first and second side slopes 132, 134. It can also be removed using.
  • the bed 110 may further include a storage unit 124.
  • the storage unit 124 may be formed under the first and second central inclined surfaces 136 and 138. That is, the inner space of the first and second central inclined surfaces 136 and 138 having a triangular shape may correspond to the storage unit 124.
  • Lubricating oil supplied to the bearing (B) for supporting the rotational movement of the spindle (S) may be accommodated in the storage unit 124 riding the central inner wall of the bed (110). Lubricant contained in the reservoir 124 may be recovered to the tank.
  • the lubricant may be prevented from being contaminated by the cutting oil. Therefore, the lubricating oil recovered to the tank can be used again for the spindle (S) lubrication.
  • a guide part for collecting chips and cutting oil may be integrally formed in the bed.
  • the guide portion has at least one inclined surface for guiding the chip and the cutting oil downward, the chip and the cutting oil can be efficiently guided to the chip conveyor.
  • the penetration of the cutting oil into the spindle by the receiving portion accommodating the spindle can be prevented, so that the lubricant lubricating the spindle can be prevented from being contaminated by the cutting oil.
  • the chip conveyor is disposed inside the bed, it is possible to prevent the cutting oil from leaking.
  • Second side slope 136 First center slope
  • Second chip conveyor 150 Second chip conveyor 150; 1st chip chute
  • Second chip chute 160 Coolant nozzle

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Turning (AREA)

Abstract

La présente invention concerne le lit d'une machine-outil qui peut comprendre une partie corps et une partie guide. La partie corps peut recevoir une broche. La partie guide peut s'étendre à partir de la partie corps. La partie guide peut guider des copeaux et l'huile de coupe vers la surface de fond de la partie corps. Ainsi, les copeaux et l'huile de coupe peuvent être efficacement guidés vers un transporteur de copeaux.
PCT/KR2018/003033 2017-03-21 2018-03-15 Lit de machine-outil et ensemble lit le comprenant Ceased WO2018174465A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0035408 2017-03-21
KR1020170035408A KR102324555B1 (ko) 2017-03-21 2017-03-21 공작 기계의 베드 및 이를 포함하는 베드 조립체

Publications (1)

Publication Number Publication Date
WO2018174465A1 true WO2018174465A1 (fr) 2018-09-27

Family

ID=63585529

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/003033 Ceased WO2018174465A1 (fr) 2017-03-21 2018-03-15 Lit de machine-outil et ensemble lit le comprenant

Country Status (2)

Country Link
KR (1) KR102324555B1 (fr)
WO (1) WO2018174465A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115090908A (zh) * 2022-08-29 2022-09-23 徐州华兴信息科技有限公司 一种计算机零件生产用车削装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002542045A (ja) * 1998-05-27 2002-12-10 ルノー オートメーション コマウ 工作機械の加工ヘッドから放出される切粉排出装置、切粉排出装置を採用した工作機械、及び切粉排出装置の使用方法
US20060056931A1 (en) * 2004-09-08 2006-03-16 Schweizer Anton R Machine tool with a machine base
JP4024040B2 (ja) * 1997-03-31 2007-12-19 株式会社牧野フライス製作所 工作機械
JP5811598B2 (ja) * 2011-05-31 2015-11-11 ブラザー工業株式会社 工作機械
JP5877806B2 (ja) * 2013-02-26 2016-03-08 ファナック株式会社 切粉の排出に適したカバーを備えた工作機械

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130073159A (ko) * 2011-12-23 2013-07-03 두산인프라코어 주식회사 공작기계의 베드 슬라이드 커버장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4024040B2 (ja) * 1997-03-31 2007-12-19 株式会社牧野フライス製作所 工作機械
JP2002542045A (ja) * 1998-05-27 2002-12-10 ルノー オートメーション コマウ 工作機械の加工ヘッドから放出される切粉排出装置、切粉排出装置を採用した工作機械、及び切粉排出装置の使用方法
US20060056931A1 (en) * 2004-09-08 2006-03-16 Schweizer Anton R Machine tool with a machine base
JP5811598B2 (ja) * 2011-05-31 2015-11-11 ブラザー工業株式会社 工作機械
JP5877806B2 (ja) * 2013-02-26 2016-03-08 ファナック株式会社 切粉の排出に適したカバーを備えた工作機械

Also Published As

Publication number Publication date
KR20180106693A (ko) 2018-10-01
KR102324555B1 (ko) 2021-11-10

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