CN214603221U - Machining clamp for hollow gear shaft - Google Patents

Abstract

The utility model discloses a hollow gear shaft's adds clamping apparatus, include the support and insert the dabber in the hollow gear shaft, install on the support with hollow gear shaft dabber complex dabber locating component with be used for pressing from both sides the clamp cover of tight hollow gear shaft, dabber locating component include with hollow gear shaft hole on the conical surface complex go up the awl stifled and with hollow gear shaft hole under conical surface complex awl stifled, go up the awl stifled with down the awl stifled cover at the spindle, the dabber both ends are equipped with and are used for fixed upper cone stifled with down the stifled locking mechanism of awl, install on the support with hollow gear shaft dabber complex top. The utility model discloses an establishing dabber and locking mechanism, adopting with work piece hole conical surface location, greatly reduced the machining precision requirement of work piece hole, improved production efficiency, to a great extent has practiced thrift manufacturing cost, simple structure, positioning accuracy is high, and manufacturing is convenient, and the cost of manufacture is low, has solved the gear shaft that has the hole and has used the inconvenient problem of traditional anchor clamps location.

Description

Machining clamp for hollow gear shaft

Technical Field

The utility model relates to an anchor clamps, in particular to add clamping apparatus of hollow gear axle.

Background

In the hobbing process, the structure and precision of the hobbing fixture play an important role in the precision of the processed gear besides equipment and tools. As shown in fig. 1, a gear shaft is generally designed, and a hobbing jig is generally used in which a tip is used at both ends and a ferrule is fixed at the non-machining end in the hobbing process. However, for a gear shaft with an inner hole as shown in fig. 2, such a hobbing jig is not suitable. Firstly, if the centre machining is selected, the contact area between the hollow gear shaft and the inclined plane of the centre is too large, so that a rotating centre is required, but for small-batch product machining, the high-precision rotating centre is too expensive and has poor universality.

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, simple structure, positioning accuracy is high, and manufacturing is convenient, the hollow gear shaft's that the cost of manufacture is low add clamping apparatus.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a machining clamp of hollow gear shaft, which is characterized in that, including support and hollow gear shaft dabber, install on the support with hollow gear shaft dabber complex dabber locating component with be used for pressing from both sides the clamp cover of tight hollow gear shaft, dabber locating component include with hollow gear shaft hole go up conical surface complex awl stifled, with hollow gear shaft hole conical surface complex down awl stifled and with hollow gear shaft spindle tip complex top down, go up the awl stifled and lower awl stifled cover on hollow gear shaft dabber, hollow gear shaft dabber both ends are equipped with the locking mechanism who is used for fixed awl stifled and awl stifled down.

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 screw-thread fit's screw rod, the screw rod is fixed at the dabber tip along the axis of dabber.

The utility model discloses the technical problem that will solve can also be realized through following technical scheme, the support includes the lower plate and installs the supporting seat on the lower plate, press from both sides the cover dress on the supporting seat, top dress is on the lower plate of supporting seat one side.

Compared with the prior art, the utility model discloses an establish hollow gear axle dabber and locking mechanism, adopt with work piece hole conical surface location, greatly reduced the machining precision requirement of work piece hole, improved production efficiency, to a great extent has practiced thrift manufacturing cost. Anchor clamps simple structure, positioning accuracy is high, manufacturing is convenient, the cost of manufacture is low, the gear shaft that has the hole has been solved and has been used the inconvenient problem of traditional anchor clamps location.

Drawings

FIG. 1 is a structural view of a general gear shaft;

FIG. 2 is a block diagram of a gear shaft with an internal bore;

fig. 3 is the structure diagram of the processing clamp of the hollow gear shaft of the utility model.

In the figure: 1-lower bottom plate, 2-supporting seat, 3-tip, 4-jacket, 5-locking nut, 6-lower conical plug, 7-hollow gear shaft core shaft, 8-upper conical plug and 9-hollow gear shaft.

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. 3, a processing clamp for a hollow gear shaft comprises a support and a hollow gear shaft mandrel 7, a mandrel positioning component matched with the hollow gear shaft mandrel 7 and a clamping sleeve used for clamping the hollow gear shaft are arranged on the support, the mandrel positioning component comprises an upper conical plug 8 matched with an upper conical surface of an inner hole of the hollow gear shaft, a lower conical plug 6 matched with a lower conical surface of the inner hole of the hollow gear shaft and a tip 3 matched with the end part of the hollow gear shaft mandrel 7, the upper conical plug 8 and the lower conical plug 6 are sleeved on the hollow gear shaft mandrel 7, locking mechanisms used for fixing the upper conical plug 8 and the lower conical plug 6 are arranged at two ends of the hollow gear shaft mandrel 7, the upper conical plug 8 and the lower conical plug 6 can adopt elastic conical plugs,

the locking mechanism comprises a locking nut 5 and a screw rod in threaded fit with the locking nut 5, the screw rod is fixed at the end part of the hollow gear shaft core shaft 7 along the axis of the hollow gear shaft core shaft 7,

the support comprises a lower base plate 1 and a supporting seat 2 installed on the lower base plate 1, a jacket 4 is installed on the supporting seat 2 through bolts, a tip 3 is installed on the lower base plate 1 on one side of the supporting seat 2 through bolts, and the lower base plate is fixed on a processing platform of the hollow gear shaft through bolts.

When the device works, the hollow gear shaft 9 is matched with the hollow gear shaft mandrel 7, and the upper conical plug 8 and the lower conical plug 6 are respectively provided with the locking nuts 5, so that a workpiece is clamped; when clamping, a workpiece is firstly arranged in a hollow gear shaft core shaft 7 with a lower conical plug 6, then an upper conical plug 8 is arranged, inner hole conical surfaces at two ends of the workpiece are tightly attached to the conical surfaces of the upper conical plug 8 and the lower conical plug 6, then a nut is arranged to tighten the workpiece, and finally the workpiece is placed on a tip and is clamped by a jacket, so that the gear hobbing operation can be started.

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 (3)

1. The utility model provides a machining clamp of hollow gear shaft, a serial communication port, including support and hollow gear shaft dabber, install on the support with hollow gear shaft dabber complex dabber locating component with be used for pressing from both sides the clamp cover of tight hollow gear shaft, dabber locating component include with hollow gear shaft hole on the conical surface complex awl stifled, with hollow gear shaft hole under conical surface complex awl stifled and with hollow gear shaft spindle tip complex top down, go up the awl stifled with lower awl stifled cover on hollow gear shaft dabber, hollow gear shaft dabber both ends are equipped with the locking mechanism who is used for fixed awl stifled and awl stifled down.

2. The machining jig for the hollow gear shaft according to claim 1, wherein the locking mechanism includes a lock nut and a screw rod threadedly engaged with the lock nut, the screw rod being fixed to an end of the hollow gear shaft core along an axis of the hollow gear shaft core.

3. The jig for machining a hollow gear shaft according to claim 1, wherein the holder includes a lower plate and a support base mounted on the lower plate, the collet being mounted on the support base, and the apex being mounted on the lower plate on a side of the support base.

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