CN104029028A - Centre rest for lathe - Google Patents
Centre rest for lathe Download PDFInfo
- Publication number
- CN104029028A CN104029028A CN201410316580.5A CN201410316580A CN104029028A CN 104029028 A CN104029028 A CN 104029028A CN 201410316580 A CN201410316580 A CN 201410316580A CN 104029028 A CN104029028 A CN 104029028A
- Authority
- CN
- China
- Prior art keywords
- fastening pawl
- lathe
- semicircle
- bearing pin
- fastening claw
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 2
- 210000000078 claw Anatomy 0.000 abstract 9
- 238000009434 installation Methods 0.000 abstract 4
- 238000007514 turning Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/76—Steadies; Rests
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a centre rest for a lathe. The centre rest for the lathe solves the problems that an existing centre rest is not reasonable in structure and can not meet the requirements for high-speed cutting and high-precision machining. The centre rest for the lathe is characterized in that a centre rest base (2) is fixedly provided with two semicircular rest bodies which are respectively provided with three fastening claw installation base installation holes, each fastening claw installation base installation hole is internally provided with a fastening claw clamping device, the fastening claw clamping devices are the same in structure, a fastening claw moving sleeve (9) of each fastening claw clamping device is internally and movably provided with a fastening claw sliding block (10), the upper end of each fastening claw sliding block (10) is connected with a lifting screw (11), the lower end of each fastening claw sliding block (10) is provided with a U-type groove (13), the positions, on the two sides of the U-type groove (3), of each sliding block are provided with bearing pin shaft supporting holes (15), the bearing pin shaft supporting holes (15) are internally provided with a bearing pin shaft (16), and the portion, in the U-type grooves (13), of the bearing pin shaft (16) is provided with rolling bearings (14). The centre rest for the lathe is simple in structure, convenient to assemble, firm and durable.
Description
Technical field
The present invention relates to a kind of tooling device to the processing of the long cylinder of thin-walled class internal cylindrical turning, particularly a kind of tooling device that requires high-speed cutting and the processing of the processing thin-walled long cylinder class internal cylindrical turning of high accuracy.
Background technology
The blank of the long tube kind part of thin-walled generally has two kinds of tubing and bars, and large to the roughing workload of these two kinds of blank material, the dimensional accuracy of finishing requirements is also high, will use the middle-size and small-size centre frame of lathe in process; The three-jaw of existing automobile-used middle-size and small-size centre frame is to manufacture with fabroil, base is thiner, and back-up block can not meet the requirement of high-speed cutting and high accuracy processing, and unreasonable structure, installing/dismounting is not easy, and has time-consuming, effort, problem that working (machining) efficiency is low.
Summary of the invention
The invention provides a kind of lathe centre frame, the unreasonable structure that has solved existing centre frame existence can not meet the technical problem of high-speed cutting and high accuracy processing.
The present invention solves above technical problem by the following technical programs:
A kind of lathe centre frame, comprise Lathe bench bed surface guide rail, on Lathe bench bed surface guide rail, be fixedly installed centre frame base, on centre frame base, be fixedly installed semicircle lower frame, on semicircle lower frame, be respectively arranged with fastening pawl mount pad installing hole under two, on semicircle lower frame, be provided with semicircle upper frame, on semicircle upper frame, be provided with and tighten pawl mount pad installing hole, under two fastening pawl mount pad installing hole with tighten pawl mount pad installing hole in be provided with a fastening pawl clamping device that structure is identical, in the fastening pawl moving sleeve of fastening pawl clamping device, be movably set with fastening pawl slide block, the upper end of fastening pawl slide block is connected with lifting screw, lower end at fastening pawl slide block is provided with U-lag, on the slide block of U-lag both sides, be provided with bearing bearing pin supported hole, in bearing bearing pin supported hole, be provided with bearing bearing pin, on bearing bearing pin in U-lag, be provided with rolling bearing, between the inner ring side of rolling bearing and the madial wall of U-lag, be provided with lining ring, on fastening pawl moving sleeve, be provided with the fixing jackscrew of fastening pawl slide block.
Between the right-hand member of semicircle upper frame and the right-hand member of semicircle lower frame, be provided with and be connected hinge, between the left end of semicircle upper frame and the left end of semicircle lower frame, be provided with connecting bolt.
The present invention is simple in structure, easy to assembly, durable, and base is widened, and cuts back-up block be convenient to especially the rough machined high-speed cutting of inner circle with rolling bearing replacement.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the present invention is at the structural representation of overlooking in direction;
Fig. 3 is the structural representation of fastening pawl clamping device of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail:
A kind of lathe centre frame, comprise Lathe bench bed surface guide rail 1, on Lathe bench bed surface guide rail 1, be fixedly installed centre frame base 2, on centre frame base 2, be fixedly installed semicircle lower frame 3, on semicircle lower frame 3, be respectively arranged with fastening pawl mount pad installing hole 4 under two, on semicircle lower frame 3, be provided with semicircle upper frame 6, on semicircle upper frame 6, be provided with and tighten pawl mount pad installing hole 7, under two fastening pawl mount pad installing hole 4 with tighten pawl mount pad installing hole 7 in be provided with a fastening pawl clamping device that structure is identical, in the fastening pawl moving sleeve 9 of fastening pawl clamping device, be movably set with fastening pawl slide block 10, the upper end of fastening pawl slide block 10 is connected with lifting screw 11, be provided with U-lag 13 in the lower end of fastening pawl slide block 10, on the slide block 10 of U-lag 13 both sides, be provided with bearing bearing pin supported hole 15, in bearing bearing pin supported hole 15, be provided with bearing bearing pin 16, on bearing bearing pin 16 in U-lag 13, be provided with rolling bearing 14, between the inner ring side of rolling bearing 14 and the madial wall of U-lag 13, be provided with lining ring 17, on fastening pawl moving sleeve 9, be provided with the fixing jackscrew 12 of fastening pawl slide block 10.
Between the right-hand member of semicircle upper frame 6 and the right-hand member of semicircle lower frame 3, be provided with and be connected hinge 5, between the left end of semicircle upper frame 6 and the left end of semicircle lower frame 3, be provided with connecting bolt 8.
Three pawls of the present invention adopt rolling bearing 14, can meet the requirement that turning large-scale workpiece or workpiece rotational frequency are higher, the inner ring of rolling bearing 14 is anchored on bearing bearing pin 16, both sides, outer ring at rolling bearing 14 add the cushions, make rolling bearing be positioned at the central authorities of U-lag 13, the rotation of being convenient to rolling bearing 13 is flexible.By lifting screw 11, fastening pawl slide block 10 is movably arranged in fastening pawl moving sleeve 9, lifting screw 11 is connected by right-hand thread with fastening pawl moving sleeve 9, the bottom of lifting screw 11 is connected by left-hand thread with fastening pawl slide block 10, so that fastening pawl slide block 10 moves flexibly in fastening pawl moving sleeve 9.
Claims (2)
1. a lathe centre frame, comprise Lathe bench bed surface guide rail (1), on Lathe bench bed surface guide rail (1), be fixedly installed centre frame base (2), on centre frame base (2), be fixedly installed semicircle lower frame (3), on semicircle lower frame (3), be respectively arranged with fastening pawl mount pad installing hole (4) under two, on semicircle lower frame (3), be provided with semicircle upper frame (6), on semicircle upper frame (6), be provided with and tighten pawl mount pad installing hole (7), it is characterized in that, under two fastening pawl mount pad installing hole (4) with tighten pawl mount pad installing hole (7) in be provided with a fastening pawl clamping device that structure is identical, in the fastening pawl moving sleeve (9) of fastening pawl clamping device, be movably set with fastening pawl slide block (10), the upper end of fastening pawl slide block (10) is connected with lifting screw (11), be provided with U-lag (13) in the lower end of fastening pawl slide block (10), on the slide block (10) of U-lag (13) both sides, be provided with bearing bearing pin supported hole (15), in bearing bearing pin supported hole (15), be provided with bearing bearing pin (16), on bearing bearing pin (16) in U-lag (13), be provided with rolling bearing (14), between the inner ring side of rolling bearing (14) and the madial wall of U-lag (13), be provided with lining ring (17), on fastening pawl moving sleeve (9), be provided with the fixing jackscrew (12) of fastening pawl slide block (10).
2. lathe centre frame according to claim 1, it is characterized in that, between the right-hand member of semicircle upper frame (6) and the right-hand member of semicircle lower frame (3), be provided with and be connected hinge (5), between the left end of semicircle upper frame (6) and the left end of semicircle lower frame (3), be provided with connecting bolt (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410316580.5A CN104029028A (en) | 2014-07-06 | 2014-07-06 | Centre rest for lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410316580.5A CN104029028A (en) | 2014-07-06 | 2014-07-06 | Centre rest for lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104029028A true CN104029028A (en) | 2014-09-10 |
Family
ID=51460146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410316580.5A Pending CN104029028A (en) | 2014-07-06 | 2014-07-06 | Centre rest for lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104029028A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436914A (en) * | 2015-11-27 | 2016-03-30 | 江苏通达动力科技股份有限公司 | Wear-proof center frame |
| CN105500057A (en) * | 2015-11-27 | 2016-04-20 | 重庆明高机械制造有限公司 | Roller positioning fixture |
| CN106112576A (en) * | 2016-07-20 | 2016-11-16 | 荣成锻压机床有限公司 | A kind of horizontal lathe closed center rest |
| CN107627116A (en) * | 2017-10-01 | 2018-01-26 | 浙江纳仕通电气有限公司 | Adjustment type carrier for the processing of axle class |
| CN110842594A (en) * | 2019-12-11 | 2020-02-28 | 郑州恒天重型装备有限公司 | A machine tool and its self-centering steady rest |
| CN111661552A (en) * | 2020-07-10 | 2020-09-15 | 威海光威精密机械有限公司 | Three-axis linkage synchronous rotation bracket |
| CN120002058A (en) * | 2025-04-07 | 2025-05-16 | 浙江重力智能装备有限公司 | A horizontal lathe for crankshaft machining with intelligent lateral position control |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6799494B1 (en) * | 2003-10-06 | 2004-10-05 | Donato L. Ricci | Mounting brace for a journal turning lathe |
| CN202292117U (en) * | 2011-09-26 | 2012-07-04 | 南通力威机械有限公司 | Centre frame for rotary drum of large-tonnage hoisting machine |
| CN102764992A (en) * | 2012-08-24 | 2012-11-07 | 无锡市聚英机械制造有限公司 | Center frame for lathe for processing shaft-shaped workpiece |
| CN203141121U (en) * | 2013-03-04 | 2013-08-21 | 嵊州市鼎沃五金机械厂 | Lathe locating and supporting device |
| CN203390556U (en) * | 2013-07-05 | 2014-01-15 | 中国石油天然气股份有限公司 | Special center frame for large diameter long tube lathe processing |
| CN204036032U (en) * | 2014-07-06 | 2014-12-24 | 山西汾西重工有限责任公司 | Lathe centre frame |
-
2014
- 2014-07-06 CN CN201410316580.5A patent/CN104029028A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6799494B1 (en) * | 2003-10-06 | 2004-10-05 | Donato L. Ricci | Mounting brace for a journal turning lathe |
| CN202292117U (en) * | 2011-09-26 | 2012-07-04 | 南通力威机械有限公司 | Centre frame for rotary drum of large-tonnage hoisting machine |
| CN102764992A (en) * | 2012-08-24 | 2012-11-07 | 无锡市聚英机械制造有限公司 | Center frame for lathe for processing shaft-shaped workpiece |
| CN203141121U (en) * | 2013-03-04 | 2013-08-21 | 嵊州市鼎沃五金机械厂 | Lathe locating and supporting device |
| CN203390556U (en) * | 2013-07-05 | 2014-01-15 | 中国石油天然气股份有限公司 | Special center frame for large diameter long tube lathe processing |
| CN204036032U (en) * | 2014-07-06 | 2014-12-24 | 山西汾西重工有限责任公司 | Lathe centre frame |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436914A (en) * | 2015-11-27 | 2016-03-30 | 江苏通达动力科技股份有限公司 | Wear-proof center frame |
| CN105500057A (en) * | 2015-11-27 | 2016-04-20 | 重庆明高机械制造有限公司 | Roller positioning fixture |
| CN106112576A (en) * | 2016-07-20 | 2016-11-16 | 荣成锻压机床有限公司 | A kind of horizontal lathe closed center rest |
| CN106112576B (en) * | 2016-07-20 | 2017-12-08 | 荣成锻压机床有限公司 | A kind of horizontal lathe closed center rest |
| CN107627116A (en) * | 2017-10-01 | 2018-01-26 | 浙江纳仕通电气有限公司 | Adjustment type carrier for the processing of axle class |
| CN107627116B (en) * | 2017-10-01 | 2024-07-26 | 浙江纳仕通电气有限公司 | Adjustable bearing frame for shaft processing |
| CN110842594A (en) * | 2019-12-11 | 2020-02-28 | 郑州恒天重型装备有限公司 | A machine tool and its self-centering steady rest |
| CN111661552A (en) * | 2020-07-10 | 2020-09-15 | 威海光威精密机械有限公司 | Three-axis linkage synchronous rotation bracket |
| CN120002058A (en) * | 2025-04-07 | 2025-05-16 | 浙江重力智能装备有限公司 | A horizontal lathe for crankshaft machining with intelligent lateral position control |
| CN120002058B (en) * | 2025-04-07 | 2025-09-26 | 浙江重力智能装备有限公司 | A horizontal lathe for crankshaft machining with intelligent lateral position control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140910 |