CN214602333U - Self-centering gear hobbing clamp - Google Patents
Self-centering gear hobbing clamp Download PDFInfo
- Publication number
- CN214602333U CN214602333U CN202120822660.3U CN202120822660U CN214602333U CN 214602333 U CN214602333 U CN 214602333U CN 202120822660 U CN202120822660 U CN 202120822660U CN 214602333 U CN214602333 U CN 214602333U
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- CN
- China
- Prior art keywords
- hobbing
- dabber
- gear hobbing
- taper sleeve
- centering
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Abstract
The utility model discloses a from centering gear hobbing anchor clamps, including the gear hobbing dabber, install terminal surface locating component on the gear hobbing dabber, the cover is equipped with and expands tightly complex taper sleeve with the gear hobbing hole in the gear hobbing dabber, and it has a plurality of tight holes that expand to open on the taper sleeve, and the circumference evenly distributed of tight hole edge gear hobbing dabber expands, and the locking mechanism who is used for fixed taper sleeve and terminal surface locating component is installed at gear hobbing dabber top. The utility model discloses an establish the taper sleeve that has a plurality of tight holes that expand, taper sleeve inner conical surface and gear hobbing dabber mutually support, and the outer disc of taper sleeve and work piece hole cooperation make it produce elastic deformation through compressing tightly the taper sleeve to press from both sides tight work piece. Anchor clamps simple structure, centering precision is high, can be including hole tolerance within range furthest's improvement centering precision, and the cost of manufacture is low, can realize the commonality of within range work piece.
Description
Technical Field
The utility model relates to an anchor clamps, in particular to from centering gear hobbing anchor clamps.
Background
In the gear hobbing process, the gear hobbing clamp plays a very critical role, and the accuracy and efficiency of the gear machining are directly influenced by the quality of the gear hobbing clamp. The traditional hobbing fixture mainly uses the end face as a positioning reference, and realizes a centering hobbing mandrel through an inner hole, although the inner hole and the end face of a hobbing workpiece are precisely machined, the inner hole and the end face have certain tolerance, the inner hole tolerance enables the rotation center of a reference hole workbench of a gear not to be repeated, and geometric eccentricity is generated, so that the distribution of each tooth relative to a reference hole is uneven, and a large radial run-out deviation is generated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a reasonable in design, avoid precision error, improve production efficiency's from centering gear hobbing anchor clamps.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a from centering gear hobbing anchor clamps, its characteristics are, including the gear hobbing dabber and with gear hobbing up end and terminal surface complex terminal surface locating component down, terminal surface locating component dress is in the gear hobbing dabber, the gear hobbing dabber on the cover be equipped with the tight complex taper sleeve of gear hobbing hole bloated, it has a plurality of tight holes that expand to open on the taper sleeve, the tight hole that expands is along the circumference evenly distributed of gear hobbing dabber, the locking mechanism who is used for fixed taper sleeve and terminal surface locating component is installed at gear hobbing dabber top.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, the taper sleeve inner wall is equipped with the interior conical surface with gear hobbing dabber mutually supported, and the taper sleeve outer wall is equipped with the outer disc with gear hobbing hole complex.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, locking mechanism include lock nut and with lock nut complex screw rod, the screw rod meets with the hobbing dabber is fixed along the axis of hobbing dabber.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, terminal surface locating component is including establishing the positioning disk of hobbing below and establishing the gland in the hobbing top, and the terminal surface is hugged closely on the positioning disk under the hobbing, and the hobbing up end is hugged closely on the gland, and the positioning disk is fixed at the hobbing spindle and through locking mechanism with the gland cover be equipped with the rubber packing ring between gland and the taper sleeve.
The utility model discloses the technical problem that will solve can also realize through following technical scheme the gear hobbing spindle is last to be equipped with the mount pad that meets with gear hobbing processing platform.
Compared with the prior art, the utility model discloses an establish the taper sleeve that has a plurality of tight holes that expand, taper sleeve inner conical surface and gear hobbing dabber mutually support, and the outer disc of taper sleeve and the cooperation of work piece hole make its production elastic deformation through compressing tightly the taper sleeve to press from both sides tight work piece. Anchor clamps simple structure, centering precision is high, can be including hole tolerance within range furthest's improvement centering precision, and the cost of manufacture is low, can realize the commonality of within range work piece.
Drawings
Fig. 1 is the structure diagram of the self-centering hobbing clamp of the present invention.
In the figure: 1-hobbing mandrel, 2-positioning disc, 3-hobbing or workpiece, 4-gland, 5-lock nut, 6-rubber washer, 7-taper sleeve and 8-mounting seat.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1, a from centering hobbing clamp, including hobbing dabber 1 and with hobbing up end and terminal surface complex terminal surface locating component down, terminal surface locating component dress is on hobbing dabber 1, the cover is equipped with on hobbing dabber 1 with 3 hole bloated tight complex taper sleeves 7 of hobbing, it has a plurality of tight holes that expand to open on taper sleeve 7, the tight hole that expands is along the circumference evenly distributed of hobbing dabber 1, the locking mechanism 5 that is used for fixed taper sleeve 7 and terminal surface locating component is installed at hobbing dabber 1 top.
The inner wall of the taper sleeve 7 is provided with an inner conical surface matched with the hobbing mandrel 1, and the outer wall of the taper sleeve 7 is provided with an outer circular surface matched with the inner hole of the hobbing 3.
The locking mechanism 5 comprises a locking nut and a screw matched with the locking nut, and the screw is fixedly connected with the hobbing mandrel along the axis of the hobbing mandrel.
The end face positioning assembly comprises a positioning disc 2 arranged below the hobbing 3 and a gland 4 arranged above the hobbing 3, the lower end face of the hobbing 3 is tightly attached to the positioning disc 2, the upper end face of the hobbing 3 is tightly attached to the gland 4, the positioning disc 2 and the gland 4 are sleeved on the hobbing mandrel 1 and fixed through a locking mechanism 5, and a rubber gasket 6 is arranged between the gland 4 and a taper sleeve 7.
The hobbing mandrel 1 is provided with a mounting seat 8 connected with a hobbing processing platform, and the mounting seat 8 is connected with the hobbing processing platform through a bolt.
When clamping, a workpiece 3, namely hobbing, is firstly arranged in a taper sleeve 7, the end face of the workpiece is attached to the upper end face of a positioning plate 2, a rubber gasket 6 is arranged on the taper sleeve 7, then the workpiece is arranged in a gland 4, and finally a locking nut 5 is arranged to tighten the workpiece 3; the inner conical surface of the taper sleeve 7 is matched with the hobbing mandrel 1, the outer conical surface of the taper sleeve 7 is matched with the inner hole of the workpiece 3, a plurality of expansion holes are formed in the taper sleeve, the taper sleeve 7 is compressed to generate elastic deformation, so that the workpiece is clamped, and the clamp can compress the workpiece through the gland by using the nut while automatically centering.
Anchor clamps simple structure, centering precision is high, can be including hole tolerance within range furthest's improvement centering precision, and the cost of manufacture is low, can realize the commonality of within range work piece. Meanwhile, the clamp design greatly increases the production efficiency and greatly saves the production cost. Practice proves that the product processed by the clamp completely meets the requirement on product precision, and the effect is obvious.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a from centering gear hobbing anchor clamps, its characterized in that, including the gear hobbing dabber and with gear hobbing up end and terminal surface complex terminal surface locating component down, terminal surface locating component dress is at the gear hobbing dabber, the gear hobbing dabber on the cover be equipped with the tight complex taper sleeve of gear hobbing hole bloated, it has a plurality of tight holes that expand to open on the taper sleeve, the tight hole that expands is along the circumference evenly distributed of gear hobbing dabber, gear hobbing dabber top is installed and is used for fixed taper sleeve and terminal surface locating component's locking mechanism.
2. The self-centering hobbing fixture of claim 1, wherein the inner wall of the cone sleeve is provided with an inner conical surface for cooperating with the hobbing mandrel, and the outer wall of the cone sleeve is provided with an outer conical surface for cooperating with the hobbing inner bore.
3. The self-centering hobbing fixture of claim 1, wherein the locking mechanism comprises a lock nut and a screw engaged with the lock nut, the screw being fixedly attached to the hobbing mandrel along the axis of the hobbing mandrel.
4. The self-centering hobbing fixture of claim 1, wherein the end face positioning assembly comprises a positioning plate arranged below the hobbing and a gland arranged above the hobbing, the lower end face of the hobbing is tightly attached to the positioning plate, the upper end face of the hobbing is tightly attached to the gland, and the positioning plate and the gland are sleeved on the hobbing mandrel and fixed through a locking mechanism.
5. The self-centering hobbing fixture of claim 4, wherein a rubber gasket is provided between the gland and the cone.
6. The self-centering hobbing fixture of claim 1, wherein a mounting seat is provided on the hobbing mandrel for interfacing with a hobbing platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120822660.3U CN214602333U (en) | 2021-04-21 | 2021-04-21 | Self-centering gear hobbing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120822660.3U CN214602333U (en) | 2021-04-21 | 2021-04-21 | Self-centering gear hobbing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214602333U true CN214602333U (en) | 2021-11-05 |
Family
ID=78404184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120822660.3U Active CN214602333U (en) | 2021-04-21 | 2021-04-21 | Self-centering gear hobbing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214602333U (en) |
-
2021
- 2021-04-21 CN CN202120822660.3U patent/CN214602333U/en active Active
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