CN211413697U - Lathe centering fixing clamp - Google Patents
Lathe centering fixing clamp Download PDFInfo
- Publication number
- CN211413697U CN211413697U CN201922052357.5U CN201922052357U CN211413697U CN 211413697 U CN211413697 U CN 211413697U CN 201922052357 U CN201922052357 U CN 201922052357U CN 211413697 U CN211413697 U CN 211413697U
- Authority
- CN
- China
- Prior art keywords
- lathe
- centering
- sleeve
- rear portion
- lathe seat
- 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
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Abstract
The utility model discloses a lathe centering mounting fixture, its characterized in that: lathe seat front end is the cylinder structure, the outside at lathe seat rear portion is equipped with annular protruding edge, the front portion on the protruding edge in lathe seat rear portion is equipped with the toper face, the both sides of centering cover are the toper structure, the centering sheathes in the alternative bar opening that is provided with opening opposite direction, the front portion of taper sleeve is the cylinder structure, the rear portion is the frustum structure, the front portion of taper sleeve inserts in the anterior circular cavity of lathe seat, the anterior center department of lathe seat is fixed with the screw rod, the front portion of screw rod passes the central round hole of taper sleeve, centering cover front end cover is in the outside of lathe seat rear portion toper face, the outside at the taper sleeve rear end is overlapped at the rear portion of centering cover, the front portion of screw rod is equipped with gland nut, be equipped with the packing ring between gland nut and the taper sleeve, the utility model discloses can guarantee the processingquality of cylindric part, take place.
Description
Technical Field
The utility model belongs to the technical field of elevator spare part processing, concretely relates to lathe centering mounting fixture.
Background
An elevator is a vertical elevator powered by an electric motor and equipped with a box-like car for carrying people or cargo in a multi-story building. There are also steps, where the tread plates are mounted on a track for continuous operation, commonly known as an escalator. A fixed elevator apparatus serving a predetermined floor. The elevator is designed with turning of the cylindrical parts during the production process. Due to the fact that the diameter of the cylindrical part is large, concentricity of the rotating shaft and the cylindrical part needs to be guaranteed when the cylindrical part is turned, and excessive machining errors are avoided. In the prior art, the problem that the fixing difficulty of the cylindrical part is high is often caused, and the part is easy to deform when being fixed; the prior fixing device has no effective measure to ensure the concentricity of the rotating shaft and the part.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a lathe centering mounting fixture.
The utility model provides a lathe centering mounting fixture, includes lathe seat, taper sleeve, centering sleeve, its characterized in that: the lathe seat is characterized in that the front end of the lathe seat is of a cylindrical structure, an annular convex edge is arranged on the outer side of the rear portion of the lathe seat, a conical surface is arranged on the front portion of the convex edge of the rear portion of the lathe seat, two sides of the centering sleeve are of conical structures, strip-shaped openings with opposite opening directions are alternately arranged on the centering sleeve, the front portion of the conical sleeve is of a cylindrical structure, the rear portion of the conical sleeve is of a frustum structure, the front portion of the conical sleeve is inserted into a circular cavity in the front portion of the lathe seat, a screw rod is fixed at the center of the front portion of the lathe seat, the front portion of the screw rod penetrates through a central circular hole of the conical sleeve, the front end of the centering sleeve is sleeved on the outer side of the conical surface of the rear portion of the lathe seat, the rear portion of the centering sleeve is sleeved on the outer.
Preferably, the outer side of the middle part of the screw rod is provided with a spring, and two ends of the spring are respectively tightly propped against the inner wall of the lathe seat and the inner wall of the taper sleeve.
Preferably, the washer is provided with a notch groove, the notch groove on the washer is matched with a limiting block, the limiting block is of an L-shaped structure, and the limiting block is fixed on the upper portion of the front end of the taper sleeve.
Preferably, the outer side of the rear part of the taper sleeve is provided with a strip-shaped guide block, and the guide block is matched with a guide groove arranged on the inner wall of the middle part of the lathe seat.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses when using, the centering that is applicable to the cylindric part is fixed, the cylindric part cover is in the outside of centering cover, the rear end of cylindric part is supported tightly on the protruding edge in lathe bed rear portion, rotatory gland nut, the taper sleeve moves backward, the taper sleeve slides backward along the anterior cavity of lathe bed, because the centering is sheathe in the alternative bar opening that is provided with opening opposite direction, the outside expansion in centering cover both ends is opened, it is fixed tight with the cylindric part from the inboard, lathe bed moves under the drive of lathe this moment, rotate, the lathe tool can carry out the turning operation at the surface of cylindric part. The utility model discloses a set up the centering sleeve to ensure the concentricity of cylindric part and lathe seat, guarantee the processingquality of cylindric part, take place to warp when avoiding the cylindric part to fix.
Drawings
Fig. 1 is the utility model relates to a lathe centering mounting fixture's schematic structure.
Fig. 2 is a right-side schematic view of fig. 1.
Fig. 3 is a schematic structural view of the centering sleeve of the present invention.
In the figure, the lathe base 1, the lathe base 2, the cylindrical part 3, the centering sleeve 4, the guide block 5, the guide groove 6, the spring 7, the screw rod 8, the taper sleeve 9, the washer 10, the limiting block 11 and the compression nut are arranged.
Detailed Description
Referring to fig. 1, 2 and 3, a lathe centering fixing clamp comprises a lathe seat 1, a taper sleeve 8 and a centering sleeve 3, and is characterized in that: the front end of the lathe seat 1 is of a cylindrical structure, the outer side of the rear part of the lathe seat 1 is provided with an annular convex edge, the front part of the convex edge at the rear part of the lathe seat 1 is provided with a conical surface, the two sides of the centering sleeve 3 are of a conical structure, the centering sleeve 3 is alternately provided with strip-shaped openings with opposite opening directions, the front part of the taper sleeve 8 is of a cylindrical structure, the rear part of the taper sleeve is of a frustum structure, the front part of the taper sleeve 8 is inserted into a circular cavity at the front part of the lathe seat 1, a screw 7 is fixed at the center of the front part of the lathe seat 1, the front part of the screw 7 passes through a central circular hole of the taper sleeve 8, the front end of the centering sleeve 3 is sleeved outside the conical surface at the rear part of the lathe seat 1, the rear part of the centering sleeve 3 is sleeved on the outer side of the rear end of the taper sleeve 8, the front part of the screw 7 is provided with a compression nut 11, and a gasket 9 is arranged between the compression nut 11 and the taper sleeve 8.
And a spring 6 is arranged on the outer side of the middle part of the screw 7, and two ends of the spring 6 are respectively tightly propped against the inner wall of the lathe seat 1 and the inner wall of the taper sleeve 8.
Be equipped with the breach groove on the packing ring 9, breach groove and stopper 10 looks adaptation on the packing ring 9, stopper 10 is L shape structure, stopper 10 is fixed on the upper portion of 8 front ends of taper sleeve.
The outer side of the rear part of the taper sleeve 8 is provided with a strip-shaped guide block 4, and the guide block 4 is matched with a guide groove 5 arranged on the inner wall of the middle part of the lathe seat 1.
The utility model discloses a theory of operation is:
the utility model discloses when using, the centering that is applicable to cylindric part 2 is fixed, 2 covers in the outside of centering cover 3 of cylindric part, the rear end of cylindric part 2 is supported tightly on the protruding edge in lathe bed 1 rear portion, rotatory gland nut 11, taper sleeve 8 moves backward, taper sleeve 8 slides backward along the anterior cavity of lathe bed 1, because the bar opening that is provided with opening opposite direction in turn on centering cover 3, 3 both ends of centering cover expand outward, it is fixed tightly with cylindric part 2 from the inboard, lathe bed 1 moves under the drive of lathe this moment, rotate, the lathe tool can carry out the turning operation at the surface of cylindric part 2. The utility model discloses a set up centering sleeve 3 to ensure cylindric part 2 and lathe bed 1's concentricity, guarantee the processingquality of cylindric part 2, take place to warp when avoiding cylindric part 2 to fix.
The technical solution of the present invention is to provide an improved method for manufacturing a semiconductor device, which is characterized in that the method is not limited by the above-mentioned method, and the method is not substantially improved by the method and the device, or the method and the device are directly applied to other occasions without improvement, all within the protection scope of the present invention.
Claims (4)
1. The utility model provides a lathe centering mounting fixture, includes lathe seat (1), taper sleeve (8), centering cover (3), its characterized in that: the front end of the lathe seat (1) is of a cylindrical structure, the outer side of the rear portion of the lathe seat (1) is provided with an annular convex edge, the front portion of the convex edge of the rear portion of the lathe seat (1) is provided with a conical surface, two sides of the centering sleeve (3) are of conical structures, the centering sleeve (3) is alternately provided with strip-shaped openings with opposite opening directions, the front portion of the conical sleeve (8) is of a cylindrical structure, the rear portion of the conical sleeve is of a frustum structure, the front portion of the conical sleeve (8) is inserted into a circular cavity in the front portion of the lathe seat (1), a screw rod (7) is fixed at the center of the front portion of the lathe seat (1), the front portion of the screw rod (7) penetrates through a central circular hole of the conical sleeve (8), the front end of the centering sleeve (3) is sleeved on the outer side of the conical surface of the rear portion of the lathe seat (1), the rear portion of the centering sleeve (3) is sleeved on the outer side of the rear end of the conical sleeve (8), and a gasket (9) is arranged between the compression nut (11) and the taper sleeve (8).
2. A lathe centering fixture as claimed in claim 1, wherein: the outer side of the middle part of the screw rod (7) is provided with a spring (6), and two ends of the spring (6) are respectively tightly propped against the inner wall of the lathe seat (1) and the inner wall of the taper sleeve (8).
3. A lathe centering fixture as claimed in claim 1, wherein: be equipped with the breach groove on packing ring (9), breach groove and stopper (10) looks adaptation on packing ring (9), stopper (10) are L shape structure, the upper portion at taper sleeve (8) front end is fixed in stopper (10).
4. A lathe centering fixture as claimed in claim 1, wherein: the outside at taper sleeve (8) rear portion is equipped with guide block (4) of bar, guide block (4) and setting up guide way (5) looks adaptation on lathe seat (1) middle part inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922052357.5U CN211413697U (en) | 2019-11-25 | 2019-11-25 | Lathe centering fixing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922052357.5U CN211413697U (en) | 2019-11-25 | 2019-11-25 | Lathe centering fixing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211413697U true CN211413697U (en) | 2020-09-04 |
Family
ID=72281520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922052357.5U Expired - Fee Related CN211413697U (en) | 2019-11-25 | 2019-11-25 | Lathe centering fixing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211413697U (en) |
-
2019
- 2019-11-25 CN CN201922052357.5U patent/CN211413697U/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: 20200904 Termination date: 20211125 |