CN220560435U - Elastic center device of shaft part lathe - Google Patents
Elastic center device of shaft part lathe Download PDFInfo
- Publication number
- CN220560435U CN220560435U CN202322209047.6U CN202322209047U CN220560435U CN 220560435 U CN220560435 U CN 220560435U CN 202322209047 U CN202322209047 U CN 202322209047U CN 220560435 U CN220560435 U CN 220560435U
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- tip
- screw
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- 238000009434 installation Methods 0.000 claims description 35
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a shaft part lathe elastic center device, which belongs to the technical field of lathe machining and comprises a positioning support, wherein a slot is formed in the positioning support, a workpiece is inserted into the slot, a mounting sleeve is fixedly mounted at one end of the positioning support, a sliding groove is formed in the mounting sleeve, the sliding groove is communicated with the interior of the slot, and a first sliding hole is formed in one end, close to the mounting sleeve, of the positioning support. According to the utility model, in the using process, the elastic center device is connected with the lathe spindle through the screw, one end of the shaft workpiece is positioned through the three-jaw chuck, the other end of the shaft workpiece extends into the positioning support, meanwhile, the center point is completely contacted with the center hole at the end part of the workpiece under the acting force of the spring, extrusion positioning is carried out, further limiting is carried out on the other end of the workpiece, concentricity of a processing surface and the center hole is ensured, and the processing precision requirement of the workpiece is ensured.
Description
Technical Field
The utility model relates to a center device, in particular to a shaft part lathe elastic center device, and belongs to the technical field of lathe machining.
Background
Lathe machining is part of machining and mainly has two machining modes: one is to fix the lathe tool, the work piece that is not shaped in the processing rotation, another is to fix the work piece, through the high-speed rotation of the work piece, the horizontal and longitudinal movement of the lathe tool (tool rest) carries on the precision processing, at present, while processing the shaft type part, only use the three-jaw chuck on lathe to clamp and fix, another end of the part lacks the limit, influence the precision processed in the course of processing;
the elastic center device of the lathe for the shaft parts is designed to optimize the problems.
Disclosure of Invention
The utility model mainly aims to provide a shaft part lathe elastic center device, which is connected with a lathe spindle through screws in the using process, one end of a shaft part is positioned through a three-jaw chuck, the other end of the shaft part extends into a positioning support, and meanwhile, a center point is completely contacted with a center hole at the end part of the part under the acting force of a spring to carry out extrusion positioning, so that the other end of the part is further limited, the concentricity of a machining surface and the center hole is ensured, and the machining precision requirement of the part is ensured.
The aim of the utility model can be achieved by adopting the following technical scheme:
the utility model provides a shaft parts lathe elastic center device, includes the locating support, the slot has been seted up to the inside of locating support, peg graft in the inside of slot has the work piece, the one end fixed mounting of locating support has the installation cover, the spout has been seted up to the inside of installation cover, the spout switches on with the inside of slot, the first slide hole has been seted up to the one end that the locating support is close to the installation cover, the inside slidable mounting of first slide hole has the top point, the one end that the top point is close to the locating support inside is conical, the second slide hole has been seted up to the one end that the locating support was kept away from to the installation cover, the internally slidable mounting of second slide hole has stop screw, stop screw's tip and top point threaded connection, stop screw's outside cover is equipped with the spring, the both ends of spring are laminated with the tip and the tip of installation cover respectively.
Preferably: the installation sleeve is characterized in that the outer side of the installation sleeve is uniformly provided with installation holes, an inner hexagon screw is arranged between the installation sleeve and the positioning support, and the inner hexagon screw penetrates through the installation holes to be in threaded connection with the positioning support.
Preferably: the contact surface of the mounting sleeve and the positioning support is round, and four groups of mounting holes are uniformly formed in the outer side of the mounting sleeve.
Preferably: the included angle of the tip end is 60 degrees, and the tip end of the tip end is coated with a wear-resistant coating.
Preferably: the screw rod part of the limit screw is provided with threads at one end far away from the screw head part, and one end of the screw rod part of the limit screw close to the screw head part is cylindrical.
Preferably: the middle position of the tip end far away from one end of the conical head is provided with a limiting hole, and the cylindrical end of the screw rod part of the limiting screw extends into the limiting hole.
Preferably: the outside that the locating support kept away from first slide hole one end evenly is provided with the installation piece, and all has seted up the mounting hole on the installation piece.
The beneficial effects of the utility model are as follows:
according to the elastic center device of the shaft part lathe, in the using process, the elastic center device is connected with the lathe spindle through the screw, one end of a shaft part is positioned through the three-jaw chuck, the other end of the shaft part is extended into the positioning support, meanwhile, the center point is completely contacted with the center hole at the end part of the part under the acting force of the spring, extrusion positioning is carried out, further limiting is carried out on the other end of the part, concentricity of a machining surface and the center hole is guaranteed, and the machining precision requirement of the part is guaranteed.
Drawings
FIG. 1 is a front cross-sectional view of the present utility model;
FIG. 2 is a cross-sectional view of a positioning support of the present utility model;
FIG. 3 is a mounting nest of the present utility model;
fig. 4 is a view of a stop screw of the present utility model.
In the figure: 1. a limit screw; 2. a spring; 3. a mounting sleeve; 4. an inner hexagon screw; 5. a top tip; 6. positioning a support; 7. a workpiece; 8. a slot; 9. a first slide hole; 10. a chute; 11. and a second slide hole.
Detailed Description
In order to make the technical solution of the present utility model more clear and clear to those skilled in the art, the present utility model will be described in further detail with reference to examples and drawings, but the embodiments of the present utility model are not limited thereto.
As shown in fig. 1-4, this embodiment provides a shaft part lathe elastic center device, including locating support 6, slot 8 has been seted up to locating support 6's inside, the inside grafting of slot 8 has work piece 7, locating support 6's one end fixed mounting has installation sleeve 3, spout 10 has been seted up to installation sleeve 3's inside, spout 10 switches on with slot 8's inside, locating support 6 is close to installation sleeve 3's one end and has been seted up first slide hole 9, the inside slidable mounting of first slide hole 9 has tip 5, tip 5 is close to locating support 6 inside one end is conical, locating sleeve 3 is kept away from locating support 6's one end and has been seted up second slide hole 11, the inside slidable mounting of second slide hole 11 has stop screw 1, stop screw 1's tip and tip 5 threaded connection, stop screw 1's outside cover is equipped with spring 2, the both ends of spring 2 are laminated with installation sleeve 3's inner tip and tip 5's tip respectively.
During assembly, the top tip 5 and the positioning support 6 are centered in a small clearance fit manner, pass through the inside of the first sliding hole 9 and can axially move, the limit screw 1 and the spring 2 are installed in the installation sleeve 3, the limit screw 1 passes through the inside of the second sliding hole 11, the spring 2 is placed in the sliding groove 10, the installation sleeve 3 is connected with the positioning support 6 through the inner hexagon screw 4, the limit screw 1 and the top tip 5 are connected through threads, the limit screw 1 and the installation sleeve 3 axially reserve a proper distance for the spring 2 to prop against the top tip 5 and axially move and limit, then the device is connected with a lathe spindle through screws, the workpiece 7 is clamped by a three-jaw chuck of the lathe, during machining, the workpiece 7 is installed in a shaft part lathe elastic center device, the center hole of the end face of the workpiece 7 is propped against the top tip 5 through the axial ejection force of the spring 2, the center hole of the workpiece 7 is completely contacted with the top tip 5, the center hole of the workpiece 7 is clamped and centered through the three-jaw chuck, the end face and the outer circle of the workpiece 7 are machined after clamping is completed, the machining is concentric with the center hole of the center hole, and the machining precision requirement of the workpiece 7 is guaranteed.
In this embodiment, the outside of the installation sleeve 3 is evenly provided with a mounting hole, and an inner hexagon screw 4 is arranged between the installation sleeve 3 and the positioning support 6, and the inner hexagon screw 4 passes through the mounting hole to be in threaded connection with the positioning support 6.
The stability in installation and use is ensured, and the installation is more convenient.
In this embodiment, the contact surface between the mounting sleeve 3 and the positioning support 6 is circular, and four groups of mounting holes on the outer side of the mounting sleeve 3 are uniformly formed.
The contact area between the mounting sleeve 3 and the positioning support 6 during mounting is increased, and the stability of connection is ensured.
In this embodiment, the included angle of the tips of the tip heads 5 is 60 °, and the tips of the tip heads 5 are coated with a wear-resistant coating.
Facilitate insertion of the tip 5 at the time of use, and reduce wear on the tip 5.
In this embodiment, the screw thread is provided at one end of the screw portion of the limit screw 1 away from the screw head portion, and one end of the screw portion of the limit screw 1 close to the screw head portion is cylindrical.
By means of the cylindrical arrangement of the upper screw portion of the limit screw 1, abrasion to the second slide hole 11 is avoided, and the axial stability of the limit screw 1 and the top tip 5 is ensured.
In this embodiment, a limit hole is formed in the middle position of the tip 5 away from one end of the conical head, and the cylindrical end of the screw portion of the limit screw 1 extends into the limit hole.
The end part of the limit screw 1 can be limited in the installation process, so that the installation stability is improved.
In this embodiment, the outer side of the end of the positioning support 6 away from the first sliding hole 9 is uniformly provided with a mounting block, and the mounting blocks are all provided with mounting holes.
The installation is convenient in the use process, and the use is convenient.
The above description is merely a further embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equivalents and modifications according to the technical solution and the concept of the present utility model within the scope of the present utility model disclosed in the present utility model.
Claims (7)
1. The utility model provides a axle type part lathe elastic center device which characterized in that: including locating support (6), slot (8) have been seted up to the inside of locating support (6), the inside grafting of slot (8) has work piece (7), the one end fixed mounting of locating support (6) has installation sleeve (3), spout (10) have been seted up to the inside of installation sleeve (3), spout (10) are switched on with the inside of slot (8), first slide hole (9) have been seted up to the one end that locating support (6) is close to installation sleeve (3), the inside slidable mounting of first slide hole (9) has tip (5), tip (5) are close to the inside one end of locating support (6) and are conical, second slide hole (11) have been seted up to the one end that locating support (6) was kept away from to installation sleeve (3), the inside slidable mounting of second slide hole (11) has stop screw (1), the tip and tip (5) threaded connection of stop screw (1), the outside cover of stop screw (1) is equipped with spring (2), tip (3) and tip (5) in the tip of installation sleeve (2) are laminated respectively at the both ends of spring (2).
2. The shaft part lathe elastic center device according to claim 1, wherein: the installation sleeve is characterized in that installation holes are uniformly formed in the outer side of the installation sleeve (3), an inner hexagon screw (4) is arranged between the installation sleeve (3) and the positioning support (6), and the inner hexagon screw (4) penetrates through the installation holes to be in threaded connection with the positioning support (6).
3. The shaft part lathe elastic center device according to claim 2, wherein: the contact surface of the mounting sleeve (3) and the positioning support (6) is circular, and four groups of mounting holes are uniformly formed in the outer side of the mounting sleeve (3).
4. A shaft parts lathe spring center device according to claim 3, wherein: the included angle of the tip end of the top tip (5) is 60 degrees, and the tip end of the top tip (5) is coated with a wear-resistant coating.
5. The shaft part lathe elastic center device according to claim 4, wherein: the screw head of the limiting screw (1) is provided with a screw thread at one end far away from the screw head, and one end, close to the screw head, of the screw head of the limiting screw (1) is cylindrical.
6. The shaft part lathe elastic center device according to claim 5, wherein: the middle position of the tip head (5) far away from one end of the cone head is provided with a limit hole, and the cylindrical end of the screw rod part of the limit screw (1) stretches into the limit hole.
7. The shaft part lathe elastic center device according to claim 6, wherein: the outer side of one end, far away from the first sliding hole (9), of the positioning support (6) is uniformly provided with a mounting block, and the mounting block is provided with a mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322209047.6U CN220560435U (en) | 2023-08-16 | 2023-08-16 | Elastic center device of shaft part lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322209047.6U CN220560435U (en) | 2023-08-16 | 2023-08-16 | Elastic center device of shaft part lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220560435U true CN220560435U (en) | 2024-03-08 |
Family
ID=90090082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322209047.6U Active CN220560435U (en) | 2023-08-16 | 2023-08-16 | Elastic center device of shaft part lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220560435U (en) |
-
2023
- 2023-08-16 CN CN202322209047.6U patent/CN220560435U/en active Active
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