CN204036032U - Lathe centre frame - Google Patents
Lathe centre frame Download PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- fastening pawl
- bearing
- slide block
- semicircle
- lag
- 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.)
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- 238000005096 rolling process Methods 0.000 claims abstract description 13
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
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).
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)
| 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 |
-
2014
- 2014-07-06 CN CN201420368144.8U patent/CN204036032U/en active Active
Cited By (3)
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |