CN213917084U - Chuck for indexing chuck - Google Patents
Chuck for indexing chuck Download PDFInfo
- Publication number
- CN213917084U CN213917084U CN202022080429.XU CN202022080429U CN213917084U CN 213917084 U CN213917084 U CN 213917084U CN 202022080429 U CN202022080429 U CN 202022080429U CN 213917084 U CN213917084 U CN 213917084U
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- chuck
- mounting
- bulb
- groove
- ball head
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Abstract
The utility model discloses a chuck for indexing chuck, characteristics are including chuck body and chuck mount pad, and the lower terminal surface of chuck mount pad is provided with the bulb groove, and the chuck body includes with bulb groove matched with bulb installation department and set up the extension in bulb installation department below, and the bulb installation department is rotationally installed at the bulb inslot, and the lower extreme of chuck mount pad is provided with and is used for locking the locking end cover of bulb installation department locking in the bulb inslot, and the extension stretches out the locking end cover downwards. Through the matching of the ball head mounting part on the chuck body and the ball head groove on the chuck mounting seat, when the chuck is used for processing workpieces with poor blanks or large sizes, the compensation of the clamping force can be realized through slight rotation of the ball head mounting part in the ball head groove, so that the processing precision of the workpieces is effectively improved; the locking end cover is used for stably mounting the ball head mounting part in the ball head groove, and the chuck body can be stably mounted in the chuck mounting seat.
Description
Technical Field
The utility model relates to a chuck especially relates to a chuck for indexing chuck.
Background
The indexing chuck is a special chuck used on a numerical control lathe, and drives a workpiece to rotate by a program control clamp, so that a plurality of surfaces of the workpiece can be machined under the condition of one-time clamping of the workpiece. During the operation of the index chuck, the chuck mounted on the holder needs to rotate together with the workpiece. Most of index chucks on the market at present, chucks on a clamping seat are of cylindrical structures, the chucks are simple to process and strong in interchangeability, but aiming at processing workpieces with blanks which are not good, particularly large-size workpieces, the compensation capability of the chucks of the structures is poor, namely, certain eccentricity exists in the clamping process of the clamping seat, the chucks are easy to deviate during clamping, so that unstable clamping or unilateral clamping is caused, and the processing precision of the index chucks is influenced.
Disclosure of Invention
The utility model aims to solve the technical problem that a simple structure, have the chuck for the index chuck of better compensation ability in the centre gripping process is provided, the machining precision of index chuck can effectively be ensured to the chuck through this structure.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model provides a chuck for indexing chuck, includes chuck body and chuck mount pad, the lower terminal surface of chuck mount pad be provided with the bulb groove, the chuck body include with bulb groove matched with bulb installation department with set up and be in bulb installation department below extension portion, the bulb installation department rotationally install the bulb inslot, the lower extreme of chuck mount pad be provided with be used for with bulb installation department locking the locking end cover in the bulb inslot, extension portion stretch out downwards the locking end cover.
The locking end cover is provided with a mounting cavity which is matched with the ball head mounting part and is communicated up and down, and the inner diameter of the mounting cavity is gradually reduced from top to bottom. The inner diameter of the mounting cavity on the locking end cover is gradually reduced from top to bottom, namely, the matched part on the ball head mounting part is also in the same shape, and the ball head mounting part are matched, so that the ball head mounting part can be stably mounted in a ball head groove on the chuck mounting seat.
The upper end surface of the locking end cover is provided with a positioning groove in a downward concave mode, the positioning groove is arranged around the outside of the installation cavity, the lower portion of the chuck installation seat is embedded in the positioning groove to achieve positioning installation between the chuck installation seat and the locking end cover. Simple structure realizes the prepositioning of chuck mount pad and locking end cover cooperation installation through positioning groove.
An adjusting gasket is arranged between the lower part of the chuck mounting seat and the positioning groove, and the adjusting gasket is arranged between the lower end surface of the chuck mounting seat and the bottom end surface of the positioning groove. The tightness of the chuck body in the ball groove can be adjusted by adjusting the gasket, so that the compensation capacity can be adjusted.
The locking end cover is provided with a plurality of vertically-through mounting holes, the lower end face of the chuck mounting seat is provided with mounting screw holes corresponding to the mounting holes, and screws or bolts matched with the mounting screw holes penetrate through the mounting holes and are screwed in the mounting screw holes at the corresponding positions to realize the mounting between the chuck mounting seat and the locking end cover. The installation and connection structure for the chuck mounting seat and the locking end cover is simple, convenient to install and disassemble and low in cost.
The adjusting gasket is provided with a mounting through hole which is vertically communicated and matched with the mounting hole, and the screw or the bolt can pass through the mounting through hole. And the installation of the adjusting gasket is realized.
The chuck mounting seat is provided with a connecting hole which is communicated up and down, the connecting hole is coaxial with the ball head groove, and the connecting hole is communicated with the ball head groove. The connecting hole is used for realizing the connection and installation between the chuck mounting seat and the indexing chuck, and has simple structure and convenient installation.
The chuck body on be provided with the centre gripping chamber, the centre gripping chamber be certainly the lower extreme of extension inwards sunken cavity. The clamping cavity is used for installing the clamp.
Compared with the prior art, the utility model has the advantages of: through the matching of the ball head mounting part on the chuck body and the ball head groove on the chuck mounting seat, when the chuck is used for processing workpieces with poor blanks or large sizes, the compensation of the clamping force can be realized through slight rotation of the ball head mounting part in the ball head groove, so that the processing precision of the workpieces is effectively improved; the locking end cover is used for stably mounting the ball head mounting part in the ball head groove, and the chuck body can be stably mounted in the chuck mounting seat.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of the chuck mounting base of the present invention;
fig. 3 is a schematic cross-sectional structural view of the locking end cap of the present invention;
fig. 4 is an exploded schematic view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 4, a chuck for an index chuck includes a chuck body 1 and a chuck mounting seat 2, a ball groove 21 is provided on a lower end surface of the chuck mounting seat 2, the chuck body 1 includes a ball mounting portion 11 matched with the ball groove 21 and an extension portion 12 disposed below the ball mounting portion 11, the ball mounting portion 11 is rotatably mounted in the ball groove 21, a locking end cap 3 for locking the ball mounting portion 11 in the ball groove 21 is provided at a lower end of the chuck mounting seat 2, and the extension portion 12 extends downward out of the locking end cap 3.
In this embodiment, the locking end cap 3 has a vertically through-going mounting cavity 31 that is matched with the ball mounting portion 11, and the inner diameter of the mounting cavity 31 is gradually reduced from top to bottom. The inner diameter of the mounting cavity 31 on the locking end cover 3 is gradually reduced from top to bottom, that is, the matching part of the ball head mounting part 11 is also in the same shape, and the ball head mounting part 11 can be stably mounted in the ball head groove 21 on the chuck mounting seat 2 by matching the two parts.
In this embodiment, the upper end surface of the locking end cap 3 is provided with a positioning groove 32 in a downward recessed manner, the positioning groove 32 is disposed around the outside of the mounting cavity 31, and the lower portion of the collet mounting seat 2 is embedded in the positioning groove 32 to realize the positioning and mounting between the collet mounting seat 2 and the locking end cap 3. Simple structure realizes the prepositioning of chuck mount pad 2 and locking end cover 3 cooperation installation through positioning groove 32.
In this embodiment, an adjusting washer 4 is disposed between the lower portion of the cartridge mounting base 2 and the positioning groove 32, and the adjusting washer 4 is disposed between the lower end surface of the cartridge mounting base 2 and the bottom end surface of the positioning groove 32. The adjusting gasket 4 can be used for adjusting the tightness of the chuck body 1 installed in the ball groove 21, so that the compensation capacity can be adjusted.
In this embodiment, a plurality of vertically penetrating mounting holes 33 are formed in the locking end cover 3, mounting screw holes 22 corresponding to the positions of the mounting holes 33 are formed in the lower end surface of the cartridge mounting base 2, and screws or bolts 5 matched with the mounting screw holes 22 are screwed into the mounting screw holes 22 corresponding to the positions through the mounting holes 33 to achieve the mounting between the cartridge mounting base 2 and the locking end cover 3. The installation connection structure for the chuck mounting base 2 and the locking end cover 3 is simple in structure, convenient to install and disassemble and low in cost.
In this embodiment, the adjusting washer 4 is provided with a vertically through mounting hole 41 which is matched with the mounting hole 33 and through which the screw or bolt 5 is mounted. The installation of the adjusting shim 4 is achieved.
In this embodiment, the chuck mounting seat 2 is provided with a connecting hole 23 penetrating up and down, the connecting hole 23 is coaxial with the ball head groove 21, and the connecting hole 23 is communicated with the ball head groove 21. The connecting hole 23 is used for realizing the connection and installation between the chuck mounting base 2 and the indexing chuck, and has simple structure and convenient installation.
In this embodiment, the chuck body 1 is provided with a clamping cavity 13, and the clamping cavity 13 is a cavity recessed inward from the lower end surface of the protruding part 12. The clamping cavity 13 is used for mounting the clamp.
Claims (8)
1. The utility model provides a chuck for indexing chuck, its characterized in that includes chuck body and chuck mount pad, the lower terminal surface of chuck mount pad be provided with the bulb groove, the chuck body include with bulb groove matched with bulb installation department with set up the extension of bulb installation department below, the bulb installation department rotationally install the bulb inslot, the lower extreme of chuck mount pad be provided with be used for with bulb installation department locking in the bulb inslot locking end cover, the extension stretch out downwards the locking end cover.
2. A chuck for use with an index chuck as claimed in claim 1, wherein said locking end cap has a vertically through-going mounting cavity for engagement with said ball head mounting portion, said mounting cavity having an inner diameter that tapers from top to bottom.
3. A chuck for an index chuck as claimed in claim 2, wherein the upper end surface of the locking end cap is recessed downward to form a positioning groove, the positioning groove is disposed around the outside of the mounting cavity, and the lower portion of the chuck mounting seat is embedded in the positioning groove to realize the positioning and mounting between the chuck mounting seat and the locking end cap.
4. A chuck for use with an index chuck as claimed in claim 3, wherein an adjusting washer is provided between a lower portion of said chuck mounting seat and said positioning recess, said adjusting washer being provided between a lower end surface of said chuck mounting seat and a bottom end surface of said positioning recess.
5. A chuck for an index chuck as claimed in claim 4, wherein said locking end cap has a plurality of vertically extending mounting holes, said chuck mounting seat has a lower end surface provided with mounting screw holes corresponding to said mounting holes, and said chuck mounting seat and said locking end cap are mounted by screwing screws or bolts fitted to said mounting screw holes into said mounting screw holes at corresponding positions.
6. A chuck for use with an index chuck as claimed in claim 5, wherein said adjusting shim has vertically extending mounting holes for receiving said screws or bolts therethrough, said mounting holes being engaged with said mounting holes.
7. A chuck for an index chuck as defined in claim 1, wherein said chuck mounting seat is formed with a vertically through-going connecting hole, said connecting hole being coaxial with said ball head groove, said connecting hole being in communication with said ball head groove.
8. A chuck for use with an index chuck according to claim 1, wherein said chuck body is provided with a holding cavity, said holding cavity being a cavity recessed inwardly from a lower end surface of said extension portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022080429.XU CN213917084U (en) | 2020-09-21 | 2020-09-21 | Chuck for indexing chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022080429.XU CN213917084U (en) | 2020-09-21 | 2020-09-21 | Chuck for indexing chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213917084U true CN213917084U (en) | 2021-08-10 |
Family
ID=77217454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022080429.XU Active CN213917084U (en) | 2020-09-21 | 2020-09-21 | Chuck for indexing chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213917084U (en) |
-
2020
- 2020-09-21 CN CN202022080429.XU patent/CN213917084U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |