CN213916145U - Workpiece end face supporting device for numerical control lathe - Google Patents
Workpiece end face supporting device for numerical control lathe Download PDFInfo
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- CN213916145U CN213916145U CN202022301123.2U CN202022301123U CN213916145U CN 213916145 U CN213916145 U CN 213916145U CN 202022301123 U CN202022301123 U CN 202022301123U CN 213916145 U CN213916145 U CN 213916145U
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- positioning sleeve
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Abstract
The utility model discloses a workpiece end face supporting device for a numerical control lathe, which comprises a main body, a chuck, a positioning sleeve and an elastic part, wherein the chuck is arranged in the main body, the positioning sleeve is movably connected with the main body, two ends of the elastic part are respectively abutted against the main body and the positioning sleeve, the positioning sleeve is provided with a supporting end, the elastic part provides supporting force for the supporting end, the supporting end of the positioning sleeve supports a workpiece, the workpiece clamping rigidity is ensured, the workpiece is uniformly stressed, the workpiece processing precision is more stable, and the service life of a cutter is prolonged; and the supporting mechanism and the moving mechanism are integrated, so that the fit clearance and the accumulated error are reduced, and the axial dimension precision of the workpiece is obviously improved.
Description
Technical Field
The utility model relates to a numerical control lathe especially relates to a workpiece end face supporting device for numerical control lathe.
Background
The field of mechanical manufacturing, which often relates to a groove machining process of a lathe. In the prior art, a clamp is generally adopted to clamp one end of a workpiece, and a lathe is used for processing the other end or the side surface of the workpiece. However, the other end of the workpiece is suspended, the workpiece clamping rigidity is poor, and the workpiece is easy to deform after being stressed, so that the stress of the workpiece is uneven.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a workpiece end face supporting device for a numerical control lathe, workpiece end face supporting device for a numerical control lathe can avoid deformation and uneven stress of workpieces after workpiece clamping rigidity is poor and the workpieces are stressed.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
the utility model provides a workpiece end face supporting device for numerical control lathe, includes main part, chuck, position sleeve and elastic component, the chuck install in inside the main part, the position sleeve with main part swing joint, the elastic component both ends respectively with the main part reaches the position sleeve is contradicted, the position sleeve is equipped with the end of supporting, the elastic component to support the end and provide the power of supporting.
Further, the workpiece end face supporting device for the numerical control lathe further comprises a pressing sleeve, the pressing sleeve is provided with a movable groove and an abutting end, the abutting end is located on one side of the movable groove, the pressing sleeve is fixedly connected with the main body, the end portion of the positioning sleeve is located in the movable groove, and when the elastic piece provides supporting force for the supporting end, the end portion of the positioning sleeve abuts against the abutting end.
Further, the width of the movable groove is larger than the thickness of the end part of the positioning sleeve.
Further, the workpiece end face supporting device for the numerical control lathe further comprises a jackscrew, the chuck is provided with a positioning groove, and the jackscrew is installed on the main body and extends into the positioning groove to enable the chuck to be circumferentially positioned.
Further, the workpiece end face supporting device for the numerical control lathe further comprises a plug, and the plug is installed on the positioning sleeve and corresponds to the position of the jackscrew.
Further, the locating sleeve is provided with a mounting groove, and the elastic piece is located in the mounting groove.
Further, the elastic member is a spring.
Further, the workpiece end face supporting device for the numerical control lathe further comprises a thimble, and the thimble is located inside the chuck and on the axis of the chuck.
Further, the collet is coaxial with the locating sleeve.
Further, the outer surface of the main body is cylindrical.
Compared with the prior art, the workpiece end face supporting device for the numerical control lathe further comprises a chuck, a positioning sleeve and an elastic piece, the chuck is mounted inside the main body, the positioning sleeve is movably connected with the main body, two ends of the elastic piece are respectively abutted against the main body and the positioning sleeve, the positioning sleeve is provided with a supporting end, the elastic piece provides supporting force for the supporting end, the supporting end of the positioning sleeve supports the workpiece, the workpiece clamping rigidity is guaranteed, the workpiece is uniformly stressed, the workpiece processing precision is more stable, and the service life of a cutter is prolonged; and the supporting mechanism and the moving mechanism are integrated, so that the fit clearance and the accumulated error are reduced, and the axial dimension precision of the workpiece is obviously improved.
Drawings
Fig. 1 is the utility model discloses numerical control is workpiece end face support device's for lathe structural schematic.
In the figure: 10. a main body; 20. a positioning sleeve; 21. a support end; 22. mounting grooves; 30. pressing the sleeve; 31. a movable groove; 32. a contact end; 40. a seal ring; 50. an elastic member; 60. a chuck; 61. mounting holes; 70. carrying out top thread; 80. a plug; 90. a thimble; 200. and (5) a workpiece.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by intervening elements. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1, which is a view illustrating the workpiece end surface supporting apparatus for a numerically controlled lathe of the present invention for clamping a workpiece 200. The workpiece end face supporting device for the numerical control lathe comprises a main body 10, a positioning sleeve 20, a pressing sleeve 30, a sealing ring 40, an elastic piece 50, a chuck 60, a jackscrew 70, a plug 80 and a thimble 90.
The body 10 is fixed to the machine spindle by screws. The outer surface of the body 10 is cylindrical.
The positioning sleeve 20 is provided with a supporting end 21 and a mounting groove 22.
The pressing sleeve 30 is provided with a movable groove 31 and an abutting end 32. The pressing sleeve 30 is fixed to the main body 10 by screws. The end of the position sleeve 20 is mounted in the movable groove 31 and can move along the outer surface of the main body 10 in the movable groove 31.
The sealing ring 40 is installed between the pressing sleeve 30 and the positioning sleeve 20 to play a role of sealing.
The elastic member 50 is an industrial spring. The elastic member 50 is installed in the installation groove 22, and both ends of the elastic member 50 respectively abut against the main body 10 and the positioning sleeve 20.
The cartridge 60 is installed inside the body 10. The collet 60, the locating sleeve 20 and the body 10 are now coaxial. The cartridge 60 is provided with a mounting hole 61.
The jackscrew 70 is installed in the body 10 and extends into the seating groove of the collet 60 to prevent the collet 60 from rotating circumferentially.
The plug 80 is mounted on the positioning sleeve 20 and corresponds to the position of the jack screw 70.
The thimble 90 is mounted to the machine tool and is located in the mounting hole 61 of the collet 60.
When the workpiece end face supporting device for the numerically controlled lathe is used, the workpiece 200 (in this embodiment, a valve) is pushed into the chuck 60 through the automatic feeding mechanism, and during pushing, the tail end of the workpiece 200 presses the supporting end 21 of the positioning sleeve 20, so that the positioning sleeve 20 presses the elastic member 50, the elastic member 50 compresses to generate a reaction force, the reaction force is applied to the supporting end 21, and the supporting end 21 supports the workpiece 200. When the axial locating surface of the workpiece 200 contacts the machine tool inner thimble 90. The material pushing cylinder stops moving, the machine tool receives a feeding completion signal, the hydraulic oil cylinder drives the pull rod, and the chuck 60 clamps the workpiece.
Through the design, before the clamping of the clamping head 60, the supporting end 21 supports the workpiece 200 firstly, so that the clamping rigidity of the workpiece 200 is ensured, the stress on the workpiece 200 is uniform, the machining precision of the workpiece 200 is more stable, and the service life of the cutter is prolonged; and the supporting mechanism and the moving mechanism are integrated, so that the fit clearance and the accumulated error are reduced, and the axial dimension precision of the workpiece 200 is obviously improved. The positioning sleeve 20 adopts outer cylinder guiding of the main body 10, the precision of the guiding part is adjustable and controllable, and the grinding and manufacturing are easy; the outer cylinder of the main body 10 is adopted for guiding, the clamping rigidity and the stability of the clamp are enhanced, and the supporting force is stable every time. The main body 10 and the pressing sleeve 30 constitute a limiting device, which can limit the axial displacement of the positioning sleeve 20, thereby protecting the elastic element 50.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, all according to the equivalent modifications and evolutions of the present invention, which are made to the above embodiments by the essential technology, and all belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a device is supported to work piece terminal surface for numerical control lathe, includes the main part, its characterized in that: the workpiece end face supporting device for the numerical control lathe further comprises a chuck, a positioning sleeve and an elastic piece, wherein the chuck is installed inside the main body, the positioning sleeve is movably connected with the main body, two ends of the elastic piece are respectively abutted against the main body and the positioning sleeve, the positioning sleeve is provided with a supporting end, and the elastic piece provides supporting force for the supporting end.
2. The workpiece end face supporting device for the numerically controlled lathe according to claim 1, wherein: the workpiece end face supporting device for the numerical control lathe further comprises a pressing sleeve, the pressing sleeve is provided with a movable groove and a contact end, the contact end is located on one side of the movable groove, the pressing sleeve is fixedly connected with the main body, the end portion of the positioning sleeve is located in the movable groove, and when the elastic piece provides supporting force for the supporting end, the end portion of the positioning sleeve is in contact with the contact end.
3. The workpiece end face supporting device for the numerically controlled lathe according to claim 2, wherein: the width of the movable groove is larger than the thickness of the end part of the positioning sleeve.
4. The workpiece end face supporting device for the numerically controlled lathe according to claim 1, wherein: the workpiece end face supporting device for the numerical control lathe further comprises a jackscrew, the chuck is provided with a positioning groove, and the jackscrew is installed on the main body and extends into the positioning groove to enable the chuck to be circumferentially positioned.
5. The workpiece end face supporting device for the numerically controlled lathe according to claim 4, wherein: the workpiece end face supporting device for the numerical control lathe further comprises a plug, and the plug is installed on the positioning sleeve and corresponds to the position of the jackscrew.
6. The workpiece end face supporting device for the numerically controlled lathe according to claim 1, wherein: the locating sleeve is provided with a mounting groove, and the elastic piece is located in the mounting groove.
7. The workpiece end face supporting device for the numerically controlled lathe according to claim 1, wherein: the elastic piece is a spring.
8. The workpiece end face supporting device for the numerically controlled lathe according to claim 1, wherein: the workpiece end face supporting device for the numerical control lathe further comprises a thimble, and the thimble is located inside the chuck and located on the axis of the chuck.
9. The workpiece end face supporting device for the numerically controlled lathe according to claim 1, wherein: the chuck is coaxial with the locating sleeve.
10. The workpiece end face supporting device for the numerically controlled lathe according to claim 1, wherein: the outer surface of the main body is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022301123.2U CN213916145U (en) | 2020-10-15 | 2020-10-15 | Workpiece end face supporting device for numerical control lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022301123.2U CN213916145U (en) | 2020-10-15 | 2020-10-15 | Workpiece end face supporting device for numerical control lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213916145U true CN213916145U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022301123.2U Active CN213916145U (en) | 2020-10-15 | 2020-10-15 | Workpiece end face supporting device for numerical control lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213916145U (en) |
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2020
- 2020-10-15 CN CN202022301123.2U patent/CN213916145U/en active Active
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