CN207431437U - A kind of wheelhead applied to internal tooth mill - Google Patents

Abstract

A kind of wheelhead applied to internal tooth mill, including fixed seat, rotation axis, bearing, bearing block, circular arc toothed belt wheel, inner split ring and outer spacer ring；Rotation axis is fixed on fixed seat by fixing screws, bearing is arranged in rotation axis, and in fixed seat, bearing block is arranged in rotation axis, and circular arc toothed belt wheel is arranged at bearing block, and positioned at the one side of bearing, bearing block is fixed on the outer ring of bearing with circular arc toothed belt wheel by outer nut, inner split ring is arranged at the inner ring of bearing, inner split ring connection rotation axis, outer spacer ring connection inner split ring and bearing block with outer spacer ring.The wheelhead of the utility model is simple in structure, effectively improves the surface roughness of internal tooth processing, the yield rate of enterprise internal tooth processing, reduce the production cost of enterprise, also, the labyrinth sealing of the utility model adds the service life of bearing for cutting fluid to be blocked to enter bearing.

Description

A kind of wheelhead applied to internal tooth mill

Technical field

The utility model is related to internal tooths to grind technical field, and in particular, to a kind of wheelhead applied to internal tooth mill.

Background technology

Grinding is processing technology important in machine-building, present user constantly pursue the perfections of properties of product with Reliability, it is desirable that product has higher precision and higher surface integrity；High work is constantly pursued into production by product producer Rate, low production cost, to meet the needs of, grinding novel technique continues to bring out.

Generally as whole process, task seeks to ensure that product parts can reach essence required on pattern for grinding Degree and surface quality.Any machining process cannot all obtain ideal surfaced, and always there are a degree of microcosmic injustice for it Flow harden and surface layer residual stress and metallographic structure variation in whole, processing.Realize part high-precision, low surface roughness value, The surface high quality requirement of low residual stress, low hardened layer, this is the important development trend of modern grinding technique.

The precision of part has substantial connection with surface roughness.Certain precision should have corresponding surface roughness, i.e., one Fixed dimensional tolerance will have corresponding surface roughness.High-precision part centainly requires surface roughness value smaller.Surface is thick Rugosity value is small, can increase contact area between part, reduces surface footprint pressure, reduces abrasion.The fatigue rupture master of workpiece If be subject to the alternate load to act on, generated since workpiece surface has the defects of crackle, notch.Therefore, workpiece surface is thick Rugosity value is smaller, and surface defect is fewer, then fatigue durability improves.Workpiece surface corrosion resistance is largely decided by surface Roughness.Surface roughness value is small, and surface roughness trough is small, is not easy to gather corrosive deposit, can mitigate corrosion.Rough surface Angle value is big, when actual parts are engaged, can change interference and the gap value of cooperation, reduces its fit precision and changes conformability Matter.

Major part internal tooth is processed by slotting machine at present, and the inner toothed surface roughness of slotting machine processing is bigger than normal, often up to not To required processing request.

Utility model content

In view of the deficiencies of the prior art, it is a kind of applied to internal tooth mill wheelhead, including fixed seat, rotation axis, bearing, Bearing block, circular arc toothed belt wheel, inner split ring and outer spacer ring；Rotation axis is fixed on fixed seat by fixing screws, and bearing, which is arranged at, to be turned In moving axis, and in fixed seat, bearing block is arranged in rotation axis, and circular arc toothed belt wheel is arranged at bearing block, and positioned at bearing One side, bearing block and circular arc toothed belt wheel be fixed on the outer ring of bearing by outer nut, and inner split ring is arranged at bearing with outer spacer ring Inner ring, inner split ring connection rotation axis, outer spacer ring connection inner split ring and bearing block.

Compared with prior art, the utility model can be obtained including following technique effect：

The wheelhead of the utility model is simple in structure, the surface roughness of internal tooth processing is effectively improved, in enterprise The yield rate of tooth processing, reduces the production cost of enterprise, also, the labyrinth sealing of the utility model for block cutting fluid into Enter bearing, add the service life of bearing.

Description of the drawings

Attached drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen Schematic description and description please does not form the improper restriction to the application for explaining the application.In the accompanying drawings：

Fig. 1 is the schematic diagram of the wheelhead for being applied to internal tooth mill of one embodiment of the utility model.

Fig. 2 is the partial enlarged view of Fig. 1 of one embodiment of the utility model.

Specific embodiment

Multiple embodiments of the utility model will be shown with schema below, it is as clearly stated, thin in many practices Section will be explained in the following description.It should be appreciated, however, that the details in these practices does not apply to limit this practicality newly Type.That is, in the section Example of the utility model, the details in these practices is non-essential.In addition, to simplify For the sake of schema, some known usual structures will illustrate it in a manner of simply illustrative in the drawings with component.

It is to be appreciated that institute is directional in the utility model embodiment indicates that such as up, down, left, right, before and after ... is only For explain a certain particular pose as shown in drawings under relative position relation, motion conditions between each component etc., if should When particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, such as relating to the description of " first ", " second " etc. is only used for description purpose, and non-specifically in the utility model The meaning of order or cis-position is censured, it is also non-to limit the utility model, it is retouched just for the sake of difference with same technique term The component stated or operation, and it is not intended that indicating or implying its relative importance or imply the technology indicated by indicating The quantity of feature." first " is defined as a result, and the feature of " second " can be expressed or implicitly includes at least one spy Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy Based on enough realizations, the knot of this technical solution is will be understood that when the combination appearance of technical solution is conflicting or can not realize Conjunction is not present, also not within the protection domain of the requires of the utility model.

The present embodiment provides a kind of wheelheads applied to internal tooth mill.Referring to Fig. 1, it is one embodiment of the utility model Be applied to internal tooth mill wheelhead schematic diagram.As shown in the figure, the wheelhead applied to internal tooth mill includes fixed seat 1, rotates Axis 2, bearing 3, bearing block 4, circular arc toothed belt wheel 5, inner split ring 6 and outer spacer ring 7.Rotation axis 2 is fixed on fixation by fixing screws 8 Seat 1, bearing 3 is arranged in rotation axis 2, and bearing 3 is located in fixed seat 1.Bearing block 4 is arranged in rotation axis 2, circle-arc tooth band Wheel 5 is arranged at bearing block 4, and circular arc toothed belt wheel 5 is located at the one side of bearing 3, and bearing block 4 is solid by outer nut 9 with circular arc toothed belt wheel 5 Due to the outer ring of bearing 3.Inner split ring 6 is arranged at the inner ring of bearing 3 with outer spacer ring 7, and inner split ring 6 connects rotation axis 2, outer spacer ring 7 Inner split ring 6 and bearing block 4, inner split ring 6 and the inner ring of outer 7 fixing bearing 3 of spacer ring are connected, reduces the axial gap of bearing 3.Specifically In use, bearing block 4, circular arc toothed belt wheel 5 and bearing 3 outer ring form wheelhead rotatable parts, fixed seat 1, rotation axis 2, Inner ring, inner split ring 6 and the outer spacer ring 7 of bearing 3 form the fixed component of wheelhead, and external force drives circular arc toothed belt wheel 5 to rotate, circular arc Toothed belt wheel 5 drives the outer ring rotating of bearing block 4 and bearing 3, with reaching the mesh for the surface roughness for improving internal tooth processing.

Again together refering to Fig. 2, the partial enlarged view for being Fig. 1 of one embodiment of the utility model.It is as shown in the figure, above-mentioned There is labyrinth sealing, labyrinth sealing greatly increases for cutting fluid to be blocked to enter bearing between bearing block 4 and rotation axis 2 The service life of bearing reduces the production cost of enterprise.

In conclusion in one or more embodiments of the utility model, the wheelhead of the utility model is simple in structure, effectively Ground improves the surface roughness of internal tooth processing, and the yield rate of enterprise internal tooth processing reduces the production cost of enterprise, also, The labyrinth sealing of the utility model considerably increases the service life of bearing for cutting fluid to be blocked to enter bearing.

The embodiment of the utility model is above are only, is not intended to limit the utility model.For art technology For personnel, various modifications and changes may be made to the present invention.It is all to be made in the spirit and principle of the utility model Any modification, equivalent substitution, improvement and etc. should all be included within the right of the utility model.

Claims (1)

1. a kind of wheelhead applied to internal tooth mill, which is characterized in that including：Fixed seat (1), rotation axis (2), bearing (3), axis Bearing (4), circular arc toothed belt wheel (5), inner split ring (6) and outer spacer ring (7)；The rotation axis (2) is fixed on by fixing screws (8) The fixed seat (1), the bearing (3) are arranged in the rotation axis (2), and in the fixed seat (1), the bearing Seat (4) is arranged in the rotation axis (2), and the circular arc toothed belt wheel (5) is arranged at the bearing block (4), and positioned at the axis The one side of (3) is held, the bearing block (4) is fixed on the bearing (3) with the circular arc toothed belt wheel (5) by outer nut (9) Outer ring, the inner split ring (6) are arranged at the inner ring of the bearing (3) with the outer spacer ring (7), and the inner split ring (6) connects institute Rotation axis (2) is stated, the outer spacer ring (7) connects the inner split ring (6) and the bearing block (4).