CN217045448U - Centering fixture for shaft sleeve parts - Google Patents
Centering fixture for shaft sleeve parts Download PDFInfo
- Publication number
- CN217045448U CN217045448U CN202220276080.3U CN202220276080U CN217045448U CN 217045448 U CN217045448 U CN 217045448U CN 202220276080 U CN202220276080 U CN 202220276080U CN 217045448 U CN217045448 U CN 217045448U
- Authority
- CN
- China
- Prior art keywords
- bolt
- annular disc
- disc body
- arc
- pushing
- 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.)
- Active
Links
Images
Landscapes
- Automatic Assembly (AREA)
Abstract
The utility model discloses a centering fixture for shaft sleeve parts, which belongs to the technical field of auxiliary tools for part processing, and comprises an annular disc body, a plurality of first pushing assemblies arranged on the annular disc body and arranged along the inner circumference of the annular disc body, and a plurality of second pushing assemblies arranged on the annular disc body and arranged along the outer circumference of the cylindrical surface of the annular disc body; the first pushing assembly is used for pushing the outer cylindrical surface of the part; the second pushing assembly is used for pushing the inner cylindrical surface of the part. The utility model discloses a set up two types of top pressure opposite direction's top on annular disk body and push away the subassembly, not only can come the surface of centre gripping axle sleeve class part through centering fixture, moreover when the surface of processing axle sleeve class part, the internal surface of axle sleeve class spare part also can be pushed away the subassembly roof pressure, and then held.
Description
Technical Field
The utility model relates to an auxiliary fixtures technical field of parts machining, in particular to centering fixture of axle sleeve class part.
Background
A centering fixture is a special fixture that is generally composed of a plurality of ejector assemblies arranged radially along the fixture. In the process of machining the part, a centering clamp is used for clamping the part, and the centering clamp and a chuck of a machine tool are kept rotating synchronously, so that the center of the part is coincided with the rotation center of the machine.
During machining of a part, existing centering fixtures typically only grip the outer surface of the part. For shaft sleeve type parts, the machining of the parts is started from the machining of the inner surface; when the inner surface of the part is finished and the outer surface of the part needs to be processed, it is difficult for the centering jig to clamp the inner surface of the part.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art, an object of the utility model is to provide a shaft sleeve type centering fixture aims at solving the problem that current centering fixture can not fine centre gripping shaft sleeve type part internal surface.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a centering fixture for shaft sleeve parts comprises an annular disc body, a plurality of first pushing assemblies arranged on the annular disc body and arranged along the inner circumference of the annular disc body, and a plurality of second pushing assemblies arranged on the annular disc body and arranged along the outer cylindrical surface of the annular disc body; the first pushing assembly is used for pushing an outer cylindrical surface of the part; the second pushing assembly is used for pushing the inner cylindrical surface of the part.
In the centering clamp for the shaft sleeve part, the first pushing assembly comprises a first bolt, a first nut matched with the first bolt and a first gasket for supporting the first nut; the first gasket is arranged on the annular disc body.
In the centering clamp of the shaft sleeve type part, the first pushing assembly further comprises a first arc-shaped pressing plate arranged at the tail part of the first bolt; the first arc-shaped pressing plate is matched with the outer cylindrical surface of the part.
In the centering clamp of the shaft sleeve part, a first ejector rod in contact with the tail part of a first bolt is fixedly arranged at the back part of the first arc-shaped pressing plate; a first guide rod parallel to the first bolt horizontally penetrates through the first bolt; one end of the first guide rod is fixedly connected with the back of the first arc-shaped pressing plate.
In the centering clamp for the shaft sleeve part, the second pushing assembly comprises a second bolt, a second nut matched with the second bolt and a second gasket for supporting the second nut; the second gasket is arranged on the annular disc body.
In the centering clamp of the shaft sleeve part, the second pushing assembly further comprises a second arc-shaped pressing plate arranged at the tail part of the second bolt; and the second arc-shaped pressing plate is matched with the inner cylindrical surface of the part.
In the centering clamp of the shaft sleeve type part, a second ejector rod in contact with the tail part of a second bolt is fixedly arranged at the back part of the second arc-shaped pressing plate; a second guide rod parallel to the second bolt horizontally penetrates through the second bolt; one end of the second guide rod is fixedly connected with the back of the second arc-shaped pressing plate.
In the centering fixture for the shaft sleeve parts, the annular disc body is provided with a jack into which a connecting piece can be inserted.
Has the advantages that:
the utility model provides a centering fixture of axle sleeve class part, this centering fixture can accomplish one and press from both sides multi-purpose, pushes away the subassembly through setting up two types of roof pressure opposite direction on the annular disk body, not only can come the surface of centre gripping axle sleeve class part through centering fixture, and when the surface of processing axle sleeve class part, the internal surface of axle sleeve class part also can be pushed away the subassembly roof pressure by the top, and then is held.
Drawings
Fig. 1 is a schematic structural view of the centering fixture for shaft sleeve parts provided by the present invention.
Fig. 2 is a schematic structural view of a centering fixture for a shaft sleeve part in another embodiment.
Fig. 3 is a schematic structural view of the first pushing assembly in fig. 2.
Fig. 4 is a schematic view of the second pushing assembly of fig. 2.
Fig. 5 is an installation schematic view of the centering fixture for shaft sleeve parts provided by the present invention.
Description of the main element symbols:
1-a ring-shaped disc body;
2-a first urging assembly; 201-a first bolt; 202-a first nut; 203-a first gasket; 204-a first arcuate platen; 205-a first top bar; 206-first guide bar;
3-a second pushing assembly; 301-a second bolt; 302-a second nut; 303-a second gasket; 304-a second arcuate platen; 305-a second top bar; 306-a second guide bar;
4-jack; 5-a connector; 6-chuck; 7-socket.
Detailed Description
The utility model provides a centering fixture of axle sleeve part, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the following refers to the drawing and the embodiment is lifted the utility model discloses do further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Moreover, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific type and configuration may or may not be the same), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.
As shown in fig. 1, the utility model provides a centering fixture for shaft sleeve parts, which comprises an annular disc body 1, a plurality of first pushing assemblies 2 arranged on the annular disc body 1 and arranged along the inner circumference of the annular disc body 1, and a plurality of second pushing assemblies 3 arranged on the annular disc body 1 and arranged along the outer circumference of the annular disc body 1; the first pushing assembly 2 is used for pushing an outer cylindrical surface of a part, and the first pushing assembly 2 comprises a first bolt 201 and a first nut 202 matched with the first bolt 201; the second pushing assembly 3 is used for pushing against an inner cylindrical surface of the part, and the second pushing assembly 3 includes a second bolt 301 and a second nut 302 engaged with the second bolt 301.
The tail part of the first nut 202 faces the center of the annular disc body 1, and the outer cylindrical surface of the part is pressed through the first bolt 201, so that the centering fixture can clamp the outer surface of the part; the head of the second nut 302 faces the center of the annular disc 1, so that when the outer surface of the part needs to be machined, the second bolt 301 can be screwed out, and the tail of the second bolt 301 presses against the inner cylindrical surface of the part, thereby clamping the inner surface of the part.
As shown in fig. 1 and fig. 3, further, the first pushing assembly 2 further includes a first spacer 203 for supporting the first nut 202, and the first spacer 203 is disposed on the annular disc 1. In the embodiment, the first bolt 201 is heightened through the first gasket 203, and a certain distance is reserved between the first bolt 201 and the surface of the annular disc body 1, so that an operator can conveniently screw the first bolt 201.
As shown in fig. 2 and fig. 3, further, the first pushing assembly 2 further includes a first arc-shaped pressing plate 204 disposed at the tail of the first bolt 201; the first arcuate platen 204 engages the outer cylindrical surface of the part. When the first bolt 201 presses against the outer cylindrical surface of the part, the first arc-shaped pressing plate 204 is fully contacted with the outer cylindrical surface of the part under the pressing of the first bolt 201, so that the outer cylindrical surface of the part is fully pressed by the first bolt 201, and the part is ensured to be firmly clamped.
As shown in fig. 3, further, a first top rod 205 contacting with the tail of the first bolt 201 is fixedly arranged at the back of the first arc-shaped pressing plate 204; a first guide rod 206 parallel to the first bolt 201 is horizontally arranged on the first bolt 201 in a penetrating way; one end of the first guide rod 206 is fixedly connected with the back of the first arc-shaped pressing plate 204.
When the first bolt 201 moves towards the outer cylindrical surface of the part, the tail part of the first bolt 201 pushes the first push rod 205, so that the first arc-shaped pressing plate 204 connected with the first push rod 205 is pushed, and the first arc-shaped pressing plate 204 can be attached to the outer cylindrical surface of the part. When first arc clamp plate 204 is pushed, first guide rod 206 moves relative to first nut 202 and guides first arc clamp plate 204, so that when first bolt 201 is screwed, first arc clamp plate 204 cannot rotate along with the bolt, and first arc clamp plate 204 is guaranteed to be normally attached to the outer circle of the part.
As shown in fig. 1 and 4, further, the second pushing assembly 3 further includes a second spacer 303 for supporting the second nut 302, and the second spacer 303 is disposed on the annular disc 1. The second washer 303 functions in the same way as the first washer 203, and facilitates the operator to screw the second bolt 301.
As shown in fig. 2 and 4, further, the second pushing assembly 3 further includes a second arc-shaped pressing plate 304 disposed at the tail of the second bolt 301; the second arcuate platen 304 engages the inner cylindrical surface of the part. The second arc-shaped pressing plate 304 and the first arc-shaped pressing plate 204 are arranged in a mirror image manner, but the second arc-shaped pressing plate 304 and the first arc-shaped pressing plate 204 have corresponding effects, so that the inner cylindrical surface of the part can be fully pressed by the second bolt 301, and the part can be firmly clamped.
As shown in fig. 4, further, a second top bar 305 contacting with the tail of the second bolt 301 is fixedly arranged at the back of the second arc-shaped pressing plate 304; a second guide rod 306 parallel to the second bolt 301 passes through the second bolt 301 horizontally; one end of the second guide rod 306 is fixedly connected with the back of the second arc-shaped pressing plate 304. In the embodiment, the second ejector rod 305 is arranged at the back of the second arc-shaped pressing plate 304, and the second guide rod 306 capable of guiding the second arc-shaped pressing plate 304 is arranged at the same time, so that the second arc-shaped pressing plate 304 is normally attached to the inner circle of the part (when the part does not need to be clamped, an operator can manually move the first guide rod 206 and the second guide rod 306, and the first arc-shaped pressing plate and the second arc-shaped pressing plate are reset).
As shown in fig. 5, further, the annular disc body 1 is provided with a socket 4 into which the connecting piece 5 can be inserted. One end of the connecting piece 5 is inserted into the jack 4 and fixed by a bolt, and the other end of the connecting piece 5 is inserted into the socket 7 of the chuck 6 of the machine tool, so that the centering fixture can synchronously rotate along with the chuck 6 after clamping or supporting a part through the connection of the connecting piece 5, and the center of the part and the rotation center of the machine can be always coincided in the process of machining the part.
To sum up, the utility model provides a centering fixture of axle sleeve class part, this centering fixture can accomplish one and press from both sides multi-purpose, pushes away the subassembly through setting up two types of roof pressure opposite direction's top on the annular disk body, not only can come the surface of centre gripping axle sleeve class part through centering fixture, and when the surface of processing axle sleeve class part, the internal surface of axle sleeve class spare part also can be pushed away the subassembly roof pressure by the top, and then is held.
It should be understood that equivalents and modifications may be made thereto by those skilled in the art, and all such modifications and alterations are intended to fall within the scope of the appended claims.
Claims (8)
1. The centering fixture for the shaft sleeve type parts is characterized by comprising an annular disc body, a plurality of first pushing assemblies arranged on the annular disc body and arranged along the inner circumference of the annular disc body, and a plurality of second pushing assemblies arranged on the annular disc body and arranged along the outer circumference of the cylindrical surface of the annular disc body; the first pushing assembly is used for pushing an outer cylindrical surface of the part; the second pushing assembly is used for pushing the inner cylindrical surface of the part.
2. The centering fixture for a bushing-like component as claimed in claim 1, wherein said first pushing assembly comprises a first bolt, a first nut engaged with the first bolt, and a first washer for supporting the first nut; the first gasket is arranged on the annular disc body.
3. The centering fixture for shaft sleeve type parts as claimed in claim 2, wherein said first pushing assembly further comprises a first arc-shaped pressing plate provided at a tail portion of the first bolt; the first arc-shaped pressing plate is matched with the outer cylindrical surface of the part.
4. The centering clamp for the shaft sleeve type part as claimed in claim 3, wherein a first ejector rod in contact with the tail part of the first bolt is fixedly arranged at the back part of the first arc-shaped pressing plate; a first guide rod parallel to the first bolt horizontally penetrates through the first bolt; one end of the first guide rod is fixedly connected with the back of the first arc-shaped pressing plate.
5. The bushing-like component centering fixture of claim 1, wherein said second pushing assembly comprises a second bolt, a second nut engaged with said second bolt, and a second washer for supporting said second nut; the second gasket is arranged on the annular disc body.
6. The centering fixture for shaft sleeve type parts as claimed in claim 5, wherein said second pushing assembly further comprises a second arc-shaped pressing plate provided at the tail of the second bolt; the second arc-shaped pressing plate is matched with the inner cylindrical surface of the part.
7. The centering clamp for shaft sleeve parts according to claim 6, wherein a second ejector rod in contact with the tail part of a second bolt is fixedly arranged at the back part of the second arc-shaped pressing plate; a second guide rod parallel to the second bolt horizontally penetrates through the second bolt; one end of the second guide rod is fixedly connected with the back of the second arc-shaped pressing plate.
8. The centering fixture for shaft sleeve type parts as claimed in claim 1, wherein said annular disc body is provided with a socket into which a connector can be inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220276080.3U CN217045448U (en) | 2022-02-10 | 2022-02-10 | Centering fixture for shaft sleeve parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220276080.3U CN217045448U (en) | 2022-02-10 | 2022-02-10 | Centering fixture for shaft sleeve parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217045448U true CN217045448U (en) | 2022-07-26 |
Family
ID=82486067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220276080.3U Active CN217045448U (en) | 2022-02-10 | 2022-02-10 | Centering fixture for shaft sleeve parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217045448U (en) |
-
2022
- 2022-02-10 CN CN202220276080.3U patent/CN217045448U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203437975U (en) | Positioning tool for turning and machining end cover | |
| CN203804344U (en) | Non-backlash centering auto-compensation positioning device | |
| CN217045448U (en) | Centering fixture for shaft sleeve parts | |
| CN212552742U (en) | Axle core processing clamping device | |
| CN215967503U (en) | Inner hole positioning and holding device | |
| CN216066145U (en) | Turnover welding tool fixture | |
| CN210615894U (en) | Impeller processing tool | |
| CN211841008U (en) | Camshaft jacking device for numerical control lathe | |
| CN201324956Y (en) | Turning device | |
| CN204657989U (en) | A kind of novel ultrasonic processing tool chuck | |
| CN209774269U (en) | semi-automatic grinding device for four-petal bisection graphite electrode | |
| CN210649696U (en) | Floating clamping device for machining outer circle of connecting rod by lathe | |
| CN209754048U (en) | Modularization chuck | |
| CN105215478A (en) | A kind of axle class gear-hobbing clamp | |
| CN104759922A (en) | Turning method for inclined bend shaft | |
| CN213614187U (en) | Side-pressing type device for preventing elliptical deformation in processing of overlong thin-wall copper bush | |
| CN221019772U (en) | Long shaft auxiliary supporting structure | |
| CN215035501U (en) | Automatic centering excircle clamping device | |
| CN104708476A (en) | Inclined cambered axle lathe clamp | |
| CN217096789U (en) | Cylindrical piston part terminal surface processing frock | |
| CN219617236U (en) | Eccentric processing lathe fixture for valve device | |
| CN204819003U (en) | A grinding machine for eccentric part of grinding | |
| CN217990976U (en) | Ball nut centre gripping three-jaw | |
| CN211387859U (en) | Self-rotating centering clamping mechanism | |
| CN218310928U (en) | Compression roller lathe work centring means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |