CN215846123U - Hob mandrel tensioning mechanism - Google Patents
Hob mandrel tensioning mechanism Download PDFInfo
- Publication number
- CN215846123U CN215846123U CN202121410252.3U CN202121410252U CN215846123U CN 215846123 U CN215846123 U CN 215846123U CN 202121410252 U CN202121410252 U CN 202121410252U CN 215846123 U CN215846123 U CN 215846123U
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- China
- Prior art keywords
- hob
- fixing plate
- mandrel
- push rod
- chuck
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Abstract
The utility model provides a hob mandrel tensioning mechanism, which comprises a circular fixing plate and a hob mandrel arranged at the axis of the fixing plate, and is characterized in that the lower end of the hob mandrel is sequentially provided with a fixing seat attached to the side wall of the hob mandrel and a stop block in sliding connection with the fixing plate through a bolt device, the upper end of the hob mandrel is sequentially provided with a chuck and a push rod fixing plate slidably mounted on the fixing plate through the bolt device, a push rod penetrates through the push rod fixing plate, and the push rod is inserted into the chuck; according to the utility model, the clamping head and the fixed seat are matched for use to clamp the hob mandrels, and meanwhile, the hob mandrels with different sizes can be clamped only by adjusting the clamping head and the fixed seat through the bolt device, so that the working efficiency and the accuracy are greatly improved.
Description
Technical Field
The utility model mainly relates to the field of tool fixtures, in particular to a hob mandrel tensioning mechanism.
Background
The hob mandrel is an important machine tool accessory of a gear hobbing machine, the precision of a machined gear is directly influenced by the precision of the hob mandrel, particularly, the existing hob mandrel is positioned by a hob cutter frame, however, the hob cutter frame requires that the size of the large head of the mandrel is large (with a tensioning bulge) and can be clamped in place, and the mandrel with the larger size means more mandrel materials, so that the cost of the whole hob is higher.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a hob mandrel tensioning mechanism, which comprises a circular fixing plate 1 and a hob mandrel 2 arranged at the axis of the fixing plate 1,
it is characterized in that the preparation method is characterized in that,
the lower end of the hob mandrel 2 is sequentially provided with a fixed seat 3 which is attached to the side wall of the hob mandrel 2 and a stop block 4 which is connected with the fixed plate 1 in a sliding way through a bolt device,
the hob core shaft 2 is provided with a chuck 5 and a push rod fixing plate 6 which is slidably mounted on the fixing plate 1 through a bolt device in sequence at the upper end, a push rod 7 penetrates through the push rod fixing plate 6, and the push rod 7 is inserted into the chuck 5.
Preferably, the periphery of the chuck 5 is provided with a guide frame 8, and the guide frame 8 is fixedly connected with the fixing plate 1.
Preferably, the fixing plate 1 is provided with a plurality of through holes 9, and the through holes 9 are equidistantly arranged along the circumferential direction of the fixing plate 1.
Preferably, the lower end of the fixed seat 3 is provided with a groove 10 corresponding to the protruding end of the stop block 4.
Preferably, the lower end of the chuck 5 is provided with a V-shaped groove 11, and the included angle of the V-shaped groove 11 is 90 degrees.
Preferably, the through hole 9 is a long strip-shaped round hole, and the bolt device penetrates through the through hole 9.
The utility model has the beneficial effects that:
through adopting chuck and fixing base cooperation to use, press from both sides tightly the hobbing cutter dabber, only need simultaneously through adjusting bolt device to chuck and fixing base, alright press from both sides tightly the hobbing cutter dabber of equidimension not, improved work efficiency and degree of accuracy greatly.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
in the figure, the position of the upper end of the main shaft,
1. a fixing plate; 2. a hob mandrel; 3. a fixed seat; 4. a stopper; 5. a chuck; 6. a push rod fixing plate; 7. a push rod; 8. a guide frame; 9. a through hole; 10. a groove; 11. and a V-shaped groove.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the utility model only and are not intended to limit the scope of the utility model.
As shown in fig. 1, the present invention includes: a round fixing plate 1, a hob mandrel 2 arranged at the axis of the fixing plate 1,
it is characterized in that the preparation method is characterized in that,
the lower end of the hob mandrel 2 is sequentially provided with a fixed seat 3 which is attached to the side wall of the hob mandrel 2 and a stop block 4 which is connected with the fixed plate 1 in a sliding way through a bolt device,
the hob core shaft 2 is provided with a chuck 5 and a push rod fixing plate 6 which is slidably mounted on the fixing plate 1 through a bolt device in sequence at the upper end, a push rod 7 penetrates through the push rod fixing plate 6, and the push rod 7 is inserted into the chuck 5.
In this embodiment, the chuck 5 is preferably provided with a guide frame 8 at the periphery thereof, and the guide frame 8 is fixedly connected with the fixing plate 1.
In this embodiment, preferably, the fixing plate 1 is provided with a plurality of through holes 9, and the through holes 9 are equidistantly arranged along the circumferential direction of the fixing plate 1.
In this embodiment, it is preferable that the lower end of the fixing base 3 is provided with a groove 10 corresponding to the protruding end of the stopper 4.
In this embodiment, preferably, the lower end of the chuck 5 is provided with a V-shaped groove 11, and an included angle of the V-shaped groove 11 is 90 degrees.
In this embodiment, the through hole 9 is preferably a long-strip-shaped circular hole, and the bolt device is arranged through the through hole 9.
In use, through adopting chuck and fixing base cooperation to use, press from both sides tightly the hobbing cutter dabber, only need simultaneously through adjusting bolt device to chuck and fixing base, alright press from both sides tightly the hobbing cutter dabber of equidimension not, improved work efficiency and degree of accuracy greatly.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (6)
1. A hob mandrel tensioning mechanism comprises a circular fixing plate (1) and a hob mandrel (2) arranged at the axis of the fixing plate (1),
it is characterized in that the preparation method is characterized in that,
the lower end of the hob mandrel (2) is sequentially provided with a fixed seat (3) which is attached to the side wall of the hob mandrel (2) and a stop block (4) which is connected with the fixed plate (1) in a sliding way through a bolt device,
the hob is characterized in that the upper end of the hob mandrel (2) is sequentially provided with a chuck (5) and a push rod fixing plate (6) which is slidably mounted on the fixing plate (1) through a bolt device, a push rod (7) penetrates through the push rod fixing plate (6), and the push rod (7) is inserted into the chuck (5).
2. The hob mandrel tensioning mechanism according to claim 1, characterized in that: the periphery of the chuck (5) is provided with a guide frame (8), and the guide frame (8) is fixedly connected with the fixing plate (1).
3. The hob mandrel tensioning mechanism according to claim 2, characterized in that: through-hole (9) have been seted up on fixed plate (1), through-hole (9) are equipped with a plurality ofly along the circumferencial direction equidistance of fixed plate (1).
4. The hob mandrel tensioning mechanism according to claim 1, characterized in that: the lower end of the fixed seat (3) is provided with a groove (10) corresponding to the protruding end of the stop block (4).
5. The hob mandrel tensioning mechanism according to claim 1, characterized in that: v-shaped grooves (11) are formed in the lower end of the chuck (5), and the included angle of the V-shaped grooves (11) is 90 degrees.
6. The hob mandrel tensioning mechanism according to claim 3, characterized in that: the through hole (9) is a long-strip-shaped round hole, and the bolt device penetrates through the through hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121410252.3U CN215846123U (en) | 2021-06-23 | 2021-06-23 | Hob mandrel tensioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121410252.3U CN215846123U (en) | 2021-06-23 | 2021-06-23 | Hob mandrel tensioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215846123U true CN215846123U (en) | 2022-02-18 |
Family
ID=80334929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121410252.3U Active CN215846123U (en) | 2021-06-23 | 2021-06-23 | Hob mandrel tensioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215846123U (en) |
-
2021
- 2021-06-23 CN CN202121410252.3U patent/CN215846123U/en active Active
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