CN204036032U - Lathe centre frame - Google Patents

Lathe centre frame Download PDF

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Publication number
CN204036032U
CN204036032U CN201420368144.8U CN201420368144U CN204036032U CN 204036032 U CN204036032 U CN 204036032U CN 201420368144 U CN201420368144 U CN 201420368144U CN 204036032 U CN204036032 U CN 204036032U
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CN
China
Prior art keywords
fastening pawl
frame
bearing
semicircle
slide block
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.)
Active
Application number
CN201420368144.8U
Other languages
Chinese (zh)
Inventor
杨晓光
秦建斌
任宝平
罗钟文
高明强
梁晋宝
赵永刚
贾青云
张树平
梁晶
闫晓英
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.)
Shanxi Fenxi Heavy Industry Co Ltd
Original Assignee
Shanxi Fenxi Heavy Industry 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 Shanxi Fenxi Heavy Industry Co Ltd filed Critical Shanxi Fenxi Heavy Industry Co Ltd
Priority to CN201420368144.8U priority Critical patent/CN204036032U/en
Application granted granted Critical
Publication of CN204036032U publication Critical patent/CN204036032U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of lathe centre frame, the unreasonable structure solving the existence of existing centre frame can not meet the problem of high-speed cutting and high accuracy processing.Be included on centre frame base (2) and be fixedly installed the circular support body of two halves, the circular support body of two halves is respectively arranged with three fastening pawl mount pad installing holes, the fastening pawl clamping device that a structure is identical is provided with in fastening pawl mount pad installing hole, fastening pawl slide block (10) is movably set with in the fastening pawl moving sleeve (9) of fastening pawl clamping device, the upper end of fastening pawl slide block (10) is connected with lifting screw (11), the lower end of fastening pawl slide block is provided with U-lag (13), the slide block of U-lag (13) both sides is provided with bearing bearing pin supported hole (15), bearing bearing pin (16) is provided with in bearing bearing pin supported hole, bearing bearing pin (16) in U-lag (13) is provided with rolling bearing (14).The utility model structure is simple, easy to assembly, durable.

Description

Lathe centre frame
Technical field
The present invention relates to a kind of tooling device to the processing of thin wall tubular class internal cylindrical turning, particularly a kind of tooling device requiring high-speed cutting and the processing thin-walled long cylinder class internal cylindrical turning processing of high accuracy.
Background technology
The blank of thin wall tubular class part generally has tubing and bar two kinds, 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 manufactures 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 there is 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 solving the existence of existing centre frame 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, Lathe bench bed surface guide rail is fixedly installed centre frame base, centre frame base is fixedly installed semicircle lower frame, fastening pawl mount pad installing hole under semicircle lower frame is respectively arranged with two, semicircle lower frame is provided with semicircle upper frame, semicircle upper frame is provided with fastening pawl mount pad installing hole, under two fastening pawl mount pad installing hole with on be provided with the identical fastening pawl clamping device of a structure in fastening pawl mount pad installing hole, fastening pawl slide block is movably set with in the fastening pawl moving sleeve of fastening pawl clamping device, the upper end of fastening pawl slide block is connected with lifting screw, the lower end of fastening pawl slide block is provided with U-lag, the slide block of U-lag both sides is provided with bearing bearing pin supported hole, bearing bearing pin is provided with in bearing bearing pin supported hole, bearing bearing pin in U-lag is provided with rolling bearing, lining ring is provided with between the inner ring side and the madial wall of U-lag of rolling bearing, fastening pawl moving sleeve is provided with the fixing jackscrew of fastening pawl slide block.
Be provided with between the right-hand member and the right-hand member of semicircle lower frame of semicircle upper frame and be connected hinge, between the left end and the left end of semicircle lower frame of semicircle upper frame, be provided with connecting bolt.
Structure of the present invention is simple, easy to assembly, durable, is widened by base, replaces cutting back-up block be convenient to the rough machined high-speed cutting of inner circle especially with rolling bearing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the present invention overlooks the structural representation on 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, Lathe bench bed surface guide rail 1 is fixedly installed centre frame base 2, centre frame base 2 is fixedly installed semicircle lower frame 3, fastening pawl mount pad installing hole 4 under semicircle lower frame 3 is respectively arranged with two, semicircle lower frame 3 is provided with semicircle upper frame 6, semicircle upper frame 6 is provided with fastening pawl mount pad installing hole 7, under two fastening pawl mount pad installing hole 4 with on be provided with the identical fastening pawl clamping device of a structure in fastening pawl mount pad installing hole 7, fastening pawl slide block 10 is movably set with in the fastening pawl moving sleeve 9 of fastening pawl clamping device, the upper end of fastening pawl slide block 10 is connected with lifting screw 11, the lower end of fastening pawl slide block 10 is provided with U-lag 13, the slide block 10 of U-lag 13 both sides is provided with bearing bearing pin supported hole 15, bearing bearing pin 16 is provided with in bearing bearing pin supported hole 15, bearing bearing pin 16 in U-lag 13 is provided with rolling bearing 14, lining ring 17 is provided with between the inner ring side and the madial wall of U-lag 13 of rolling bearing 14, fastening pawl moving sleeve 9 is provided with the fixing jackscrew 12 of fastening pawl slide block 10.
Be provided with between the right-hand member and the right-hand member of semicircle lower frame 3 of semicircle upper frame 6 and be connected hinge 5, between the left end and the left end of semicircle lower frame 3 of semicircle upper frame 6, be provided with connecting bolt 8.
Three pawls of the present invention adopt rolling bearing 14, turning large-scale workpiece or the higher requirement of workpiece rotational frequency can be met, the inner ring of rolling bearing 14 is anchored on bearing bearing pin 16, add the cushions in the both sides, outer ring of rolling bearing 14, make rolling bearing be positioned at the central authorities of U-lag 13, the rotation 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 the movement flexibly in fastening pawl moving sleeve 9 of fastening pawl slide block 10.

Claims (2)

1. a lathe centre frame, comprise Lathe bench bed surface guide rail (1), Lathe bench bed surface guide rail (1) is fixedly installed centre frame base (2), centre frame base (2) is fixedly installed semicircle lower frame (3), fastening pawl mount pad installing hole (4) under semicircle lower frame (3) is respectively arranged with two, semicircle lower frame (3) is provided with semicircle upper frame (6), semicircle upper frame (6) is provided with upper fastening pawl mount pad installing hole (7), it is characterized in that, under two, fastening pawl mount pad installing hole (4) is provided with the identical fastening pawl clamping device of a structure with in upper fastening pawl mount pad installing hole (7), fastening pawl slide block (10) is movably set with in the fastening pawl moving sleeve (9) of fastening pawl clamping device, the upper end of fastening pawl slide block (10) is connected with lifting screw (11), the lower end of fastening pawl slide block (10) is provided with U-lag (13), the slide block (10) of U-lag (13) both sides is provided with bearing bearing pin supported hole (15), bearing bearing pin (16) is provided with in bearing bearing pin supported hole (15), bearing bearing pin (16) in U-lag (13) is provided with rolling bearing (14), lining ring (17) is provided with between the inner ring side of rolling bearing (14) and the madial wall of U-lag (13), fastening pawl moving sleeve (9) is 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, be provided with between the right-hand member and the right-hand member of semicircle lower frame (3) of semicircle upper frame (6) and be connected hinge (5), between the left end and the left end of semicircle lower frame (3) of semicircle upper frame (6), be provided with connecting bolt (8).
CN201420368144.8U 2014-07-06 2014-07-06 Lathe centre frame Active CN204036032U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420368144.8U CN204036032U (en) 2014-07-06 2014-07-06 Lathe centre frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420368144.8U CN204036032U (en) 2014-07-06 2014-07-06 Lathe centre frame

Publications (1)

Publication Number Publication Date
CN204036032U true CN204036032U (en) 2014-12-24

Family

ID=52236740

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420368144.8U Active CN204036032U (en) 2014-07-06 2014-07-06 Lathe centre frame

Country Status (1)

Country Link
CN (1) CN204036032U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104029028A (en) * 2014-07-06 2014-09-10 山西汾西重工有限责任公司 Centre rest for lathe
CN106425622A (en) * 2016-10-30 2017-02-22 山西汾西重工有限责任公司 Machining tool for conical curved-surface cylinder
CN110814791A (en) * 2019-11-15 2020-02-21 哈尔滨电气动力装备有限公司 Slender shaft center frame

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104029028A (en) * 2014-07-06 2014-09-10 山西汾西重工有限责任公司 Centre rest for lathe
CN106425622A (en) * 2016-10-30 2017-02-22 山西汾西重工有限责任公司 Machining tool for conical curved-surface cylinder
CN110814791A (en) * 2019-11-15 2020-02-21 哈尔滨电气动力装备有限公司 Slender shaft center frame

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