CN207171512U - A kind of lathe center frame - Google Patents
A kind of lathe center frame Download PDFInfo
- Publication number
- CN207171512U CN207171512U CN201720903229.5U CN201720903229U CN207171512U CN 207171512 U CN207171512 U CN 207171512U CN 201720903229 U CN201720903229 U CN 201720903229U CN 207171512 U CN207171512 U CN 207171512U
- Authority
- CN
- China
- Prior art keywords
- support body
- cylinder
- grooved ball
- adjustable supports
- groove
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of lathe center frame, including upper semi-circle support body, lower half circle support body, leg, fixed plate, the upper semi-circle support body and lower half circle support body are relatively fixed the steady rest body for connecting into circle, the bottom of the steady rest body is connected by the leg with the fixed plate, also including the smooth ring in 3 adjustable supports, 3 single-groove grooved ball bearings, the faces of cylinder, 3 sleeve pipes matched with the adjustable supports are evenly distributed with the steady rest body, the firm end of the adjustable supports is connected through described sleeve pipe with the single-groove grooved ball bearing.The utility model is provided with the smooth ring in the separable face of cylinder on single-groove grooved ball bearing, when the cylindrical corrosion of workpieces processing or it is cylindrical be not the smooth face of cylinder when, need to only look for three coaxial points to be fixed by screws on ring can on excircle of workpiece and realize in rotation on bearings.
Description
Technical field
The utility model belongs to lathe process field, and in particular to a kind of lathe center frame.
Background technology
Centre frame is one of main aid of lathe, and lathe is when processing long shaft parts, during in order to reduce lathe process
The vibrations and flexural deformation of workpiece, often fixed using centre frame.
The material of three strong points of engine lathe centre frame is generally spheroidal graphite cast-iron or copper.During lathe process, outside workpiece
Circle contacts with three strong points of lathe center frame, and when workpiece rotates, excircle of workpiece and three strong points produce friction, because of contact surface
Greatly, there is fever phenomenon.Rubbed to reduce, when generally processing, to add lubricating oil in contact surface.
The utility model patent of application number 201521141822.8 discloses a kind of lathe centre frame, including upper half round frame
Body, lower half circle support body, leg and fixed plate, it is characterised in that：The upper semi-circle support body and lower half circle support body are relatively fixed connection
Into the steady rest body of circle, 3 fasteners are evenly distributed with steady rest body, one of fastener is arranged at centre frame
Directly over main body；The fixed plate is fixed on lathe by fixing bolt；The firm end of the fastener is fixed with roller, and
The firm amount to blank is adjusted by the adjustment bolt of fastener outer end.But run into excircle of workpiece rust sometimes in processing
The situation of erosion, it cylindrical be not a smooth face of cylinder or be not a complete face of cylinder, generally can not be directly sharp
Processed with centre frame.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency to provide a kind of turning center simple in construction, easy to operate
Frame.
In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of lathe center frame, including it is upper
Semicircle support body, lower half circle support body, leg, fixed plate, the upper semi-circle support body and lower half circle support body are relatively fixed and connect into circle
Steady rest body, the bottom of the steady rest body is fixedly connected by the leg with the fixed plate, it is characterised in that：
Also include the smooth ring in 3 adjustable supports, 3 single-groove grooved ball bearings, the faces of cylinder, be evenly distributed with the steady rest body
3 sleeve pipes matched with the adjustable supports, the firm end of the adjustable supports pass through described sleeve pipe and the single-groove grooved ball
Bearing is connected, and 3 single-groove grooved ball bearings are three supporting-points on same plane, and the smooth ring in the face of cylinder is set
In the plane where 3 single-groove grooved ball bearings, multiple screws are evenly arranged with the smooth ring in the face of cylinder.
Preferably, the left end of the upper semi-circle support body and the lower half circle support body is provided with connection bearing pin, right-hand member
Otic placode is provided with, the clamping screw being detachably connected is provided with the otic placode.
Preferably, the U-shaped of the installation single-groove grooved ball bearing is provided with the firm end of the adjustable supports
Groove, the mounting hole matched with bearing pin is provided with the U-type groove, the bearing pin passes through the mounting hole and the single-groove grooved ball
The single-groove grooved ball bearing is fixed on the firm end of the adjustable supports by the endoporus of bearing, is provided with out on the bearing pin
Mouth pin.
Preferably, 3 screws are evenly arranged with the smooth ring in the face of cylinder.For fastening workpiece.
Preferably, jackscrew is provided with described sleeve pipe.Adjustable supports are withstood with jackscrew, prevent adjustable supports and set
Relative motion between pipe.
The beneficial effects of the utility model are：
First, the utility model substitutes generic central three strong points of frame using three single-groove grooved ball bearings, carries energy
Power is strong, small with work piece interface, and coefficient of friction is small, service life length；
Second, the utility model is provided with the smooth ring in the face of cylinder in the plane where 3 single-groove grooved ball bearings, when
The cylindrical corrosion of workpieces processing is cylindrical when not being the smooth face of cylinder, only three coaxial points need to be looked for lead on excircle of workpiece
Cross screw and be fixed on ring can and realize in rotation on bearings；
3rd, the utility model is simple in construction, easy to operate, can dismantle or install according to the characteristics of workpieces processing
Ring.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the front view of adjustable supports in Fig. 1；
Fig. 3 is the side view of the adjustable supports shown in Fig. 2.
In figure：1- screws, 2- rings, 3- otic placodes, 4- adjustable supports, 5- bearing pins, 6- split pins, the single-groove grooved ball bearings of 7-,
8- workpiece, 9- legs, 10- fixed plates, 11- sleeve pipes, 12- lower half circles support body, 13- upper semi-circles support body, 14- connections bearing pin, 15- locks
Tight bolt, 16- jackscrews, 17-U type grooves, 18- mounting holes, A- steady rest bodies.
Embodiment
Below in conjunction with the accompanying drawings and embodiment further illustrates the utility model.
A kind of lathe center frame as shown in Figure 1, including upper semi-circle support body 13, lower half circle support body 12, leg 9, fixed plate
10, the upper semi-circle support body 13 and lower half circle support body 12 are relatively fixed the steady rest body A for connecting into circle, the centre frame master
Body A bottom is fixedly connected by the leg 9 with the fixed plate 10, it is characterised in that：Also include 3 adjustable supports 4,3
The smooth ring 2 in individual single-groove grooved ball bearing 7, the face of cylinder, 3 and the adjustable supporting are evenly distributed with the steady rest body A
The sleeve pipe 11 of the matching of support 4, the firm end of the adjustable supports 4 are connected through described sleeve pipe 11 with the single-groove grooved ball bearing 7,
3 single-groove grooved ball bearings 7 are three supporting-points on same plane, by adjusting adjustable supports 4 by the face of cylinder
Smooth ring 2 is fixed in the plane at the described 3 single-groove grooved places of ball bearing 7, on the smooth ring 2 in the face of cylinder uniformly
It is provided with multiple screws 1.
Specifically, the left end of the upper semi-circle support body 13 and the lower half circle support body 12 is provided with connection bearing pin 14, right-hand member
Otic placode 3 is provided with, the clamping screw 15 being detachably connected is provided with the otic placode 3, is set on the firm end of the adjustable supports 4
The U-type groove 17 for installing the single-groove grooved ball bearing 7 is equipped with, the mounting hole matched with bearing pin 5 is provided with the U-type groove 17
18, the bearing pin 5 passes through the endoporus of the mounting hole 18 and the single-groove grooved ball bearing 7 by the single-groove grooved ball bearing 7
It is fixed in the U-type groove 17 at the 4 firm end of adjustable supports, is provided with split pin 6 on the bearing pin 5, prevents bearing pin 5 from coming off.
3 screws 1 are evenly arranged with the smooth ring in the face of cylinder, when 8 cylindrical corrosion of workpieces processing or it is cylindrical be not smooth
During the face of cylinder, three coaxial points are looked on workpiece 1 is cylindrical, is fixed on ring 2, is realized in rotation on bearings by screw 1.Institute
State and jackscrew 16 be provided with sleeve pipe 11, withstand adjustable supports 4 with jackscrew 16 and fasten during work, prevent adjustable supports and sleeve pipe it
Between relative motion.
Specific embodiment of the present utility model described above, the restriction to scope of protection of the utility model is not formed.
Any various other corresponding changes and deformation made according to technical concept of the present utility model, should be included in this practicality
In new scope of the claims.
Claims (5)
1. a kind of lathe center frame, including upper semi-circle support body (13), lower half circle support body (12), leg (9), fixed plate (10), institute
State upper semi-circle support body (13) and lower half circle support body (12) is relatively fixed the steady rest body (A) for connecting into circle, the centre frame
The bottom of main body (A) is fixedly connected by the leg (9) with the fixed plate (10), it is characterised in that：It is also adjustable including 3
The smooth ring (2) in (4), 3 single-groove grooved ball bearings (7), the faces of cylinder is supported, 3 are evenly distributed with the steady rest body (A)
The individual sleeve pipe (11) matched with the adjustable supports (4), the firm end of the adjustable supports (4) pass through described sleeve pipe (11) and institute
Single-groove grooved ball bearing (7) connection is stated, 3 single-groove grooved ball bearings (7) are three supporting-points on same plane, described
The smooth ring in the face of cylinder (2) is arranged in the plane where described 3 single-groove grooved ball bearings (7), and the face of cylinder is smooth
Multiple screws (1) are evenly arranged with ring (2).
2. lathe center frame according to claim 1, it is characterised in that：The upper semi-circle support body (13) and the lower half circle
The left end of support body (12) is provided with connection bearing pin (14), and right-hand member is provided with otic placode (3), is provided with the otic placode (3) detachable
The clamping screw (15) of connection.
3. lathe center frame according to claim 1 or 2, it is characterised in that：Set on the firm end of the adjustable supports (4)
The U-type groove (17) for installing the single-groove grooved ball bearing (7) is equipped with, is provided with what is matched with bearing pin (5) on the U-type groove (17)
Mounting hole (18), the bearing pin (5) pass through the endoporus of the mounting hole (18) and the single-groove grooved ball bearing (7) by the list
Row deep groove ball bearing (7) is fixed on the firm end of the adjustable supports (4), and split pin (6) is provided with the bearing pin (5).
4. lathe center frame according to claim 3, it is characterised in that：It is evenly arranged with the smooth ring in the face of cylinder
3 screws (1).
5. lathe center frame according to claim 3, it is characterised in that：Jackscrew (16) is provided with described sleeve pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720903229.5U CN207171512U (en) | 2017-07-25 | 2017-07-25 | A kind of lathe center frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720903229.5U CN207171512U (en) | 2017-07-25 | 2017-07-25 | A kind of lathe center frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207171512U true CN207171512U (en) | 2018-04-03 |
Family
ID=61737392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720903229.5U Expired - Fee Related CN207171512U (en) | 2017-07-25 | 2017-07-25 | A kind of lathe center frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207171512U (en) |
-
2017
- 2017-07-25 CN CN201720903229.5U patent/CN207171512U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20200725 |