CN219561673U

CN219561673U - Gear shaping fixture capable of being used for angular positioning

Info

Publication number: CN219561673U
Application number: CN202320805853.7U
Authority: CN
Inventors: 谢小辉; 徐克忠; 骆洪斌; 徐勍; 邹雪雪
Original assignee: Ganzhou Qunxing Machinery Co ltd
Current assignee: Ganzhou Qunxing Machinery Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-08-22
Anticipated expiration: 2033-04-12

Abstract

The utility model relates to a gear shaping fixture capable of being used for angular positioning in the technical field of machining, which comprises a positioning seat, wherein a pull rod penetrates through the center of the positioning seat, a ball head plunger matched with a workpiece to be machined is arranged on the positioning seat, the ball head plunger comprises a plug and a steel ball, an end face positioning surface for positioning the axial position of the workpiece to be machined is arranged on the positioning seat, a containing cavity is arranged on the end face positioning surface, the plug is fixedly arranged in the containing cavity, a vertical spring hole is arranged in the center of the plug, a top spring is arranged in the spring hole, the upper end of the top spring is connected with the steel ball, the steel ball can stretch in the spring hole, and the part of the steel ball, which leaks out of the plug, is smaller than half of a steel ball body. The utility model has reasonable and simple structural design, convenient use, effective and stable positioning, and the processed workpiece meets the relative position relation between the tooth shape and the related structure of the workpiece.

Description

Gear shaping fixture capable of being used for angular positioning

Technical Field

The utility model belongs to the technical field of machining, and particularly relates to a gear shaping fixture capable of being used for angular positioning.

Background

During gear shaping processing, workpiece clamping generally does not have angular positioning requirement, generally processing can after the clamp clamping, and patent number CN210023987U discloses a gear shaping clamp including fixing base, elastic sleeve and connecting piece. One end of the fixing seat is provided with a truncated cone-shaped convex column and a supporting surface which is arranged along the circumferential direction of the convex column and is perpendicular to the central axis of the convex column. The fixing seat is provided with a first chip removal through groove. An opening of the first through groove is positioned on the abutting surface. The elastic sleeve is detachably sleeved on the convex column. The shape of the inner wall of the elastic sleeve is matched with the shape of the side wall of the convex column. The side wall of the elastic sleeve is provided with a second chip removal through groove extending to the supporting surface. The connecting piece is slidably arranged on the fixing seat in a penetrating way. Although the patent has higher positioning accuracy and improves the processing efficiency of the part to be processed, when the tooth shape of the workpiece to be processed after gear shaping has relative position relation with the related structure in the workpiece, the gear shaping fixture without angular positioning cannot realize the special technical requirement. Therefore, for the workpiece with the relative position relation between the tooth shape after gear shaping and the related structure in the workpiece, a gear shaping fixture capable of being used for angular positioning is designed.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a gear shaping fixture capable of being used for angular positioning, which comprises a positioning seat, wherein a pull rod penetrates through the center of the positioning seat, and a ball plunger matched with a workpiece to be processed is arranged on the positioning seat.

Preferably, the locating seat is provided with an end face locating surface for locating the axial position of the workpiece to be machined, the center of the end face locating surface is provided with an inner hole locating surface which is vertical and matched with the inner hole of the workpiece to be machined, the ball plunger comprises a plunger and a steel ball, the end face locating surface is provided with a containing cavity, the plunger is fixedly arranged in the containing cavity, the installation position of the plunger can be adjusted up and down, the center of the plunger is provided with a vertical spring hole, a top spring is arranged in the spring hole, the upper end of the top spring is connected with the steel ball, the steel ball can stretch out and draw back in the spring hole, and the part of the steel ball, which leaks out of the plunger, is smaller than half of the steel ball body.

Preferably, the end surface positioning surface is uniformly provided with a plurality of open through grooves along the circumferential direction, and the open through grooves are used for chip removal.

Preferably, a plurality of arc-shaped oil grooves are uniformly distributed on the inner end surface of the workpiece to be processed along the circumferential direction, and the arc-shaped oil grooves are matched with the steel balls.

Preferably, the outer teeth of the outer ring of the workpiece to be processed are uniformly provided with missing teeth along the circumferential direction, and the missing teeth are correspondingly arranged with the arc-shaped oil grooves.

Preferably, the washer is fixed on the lower surface of the pull rod, so that the contact area with the workpiece is increased, the clamping effect is improved, and the damage to the workpiece is reduced.

Preferably, the pull rod is fixedly connected with a hydraulic rod of the gear shaping machine.

The utility model also comprises other components which can enable the gear shaping fixture which can be used for angular positioning to be used normally, and the gear shaping fixture is a conventional technical means in the field. In addition, the undefined devices or components in the present utility model are all conventional devices in the art, such as a top spring, a gear shaper, a hydraulic rod, etc.

The working principle of the utility model is as follows: placing the workpiece to be processed on the positioning seat, enabling an inner hole of the workpiece to be processed to be matched with an inner hole positioning surface on the positioning seat, enabling the lower end face of the workpiece to be processed to be matched with an end face positioning surface on the positioning seat, and then rotating the workpiece to be processed by hand circumference to enable the steel ball on the ball plunger to be clamped into the arc-shaped oil groove on the workpiece to be processed, so that angular positioning of the workpiece to be processed is achieved. After the workpiece to be machined is positioned, the hydraulic rod of the gear shaper is used for pulling the pull rod to clamp the workpiece to be machined, the circumferential position corresponding to the gear shaper is adjusted, machining can be started, and the machined workpiece meets the technical requirement that the arc-shaped oil groove of the workpiece corresponds to the missing tooth on the external tooth. The open through groove arranged on the positioning seat is convenient for discharging scrap iron remained in the positioning seat.

The utility model has the beneficial effects of reasonable and simple structural design, convenient use, effective and stable positioning, and the processed workpiece meets the relative position relation of the tooth form and the related structure of the workpiece.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of a gear shaping fixture that may be used for angular positioning in accordance with an embodiment of the present utility model;

FIG. 2 is a schematic view of the ball plunger of FIG. 1;

fig. 3 is a schematic view of the structure of the workpiece to be processed in fig. 1.

In the figure: 1. ball plunger; 2. a positioning seat; 3. a gasket; 4. a pull rod; 5. a workpiece to be processed; 6. a plug; 7. an opening through groove; 8. an inner hole positioning surface; 9. external teeth; 10. a steel ball; 11. an end face positioning face; 12. a top spring; 13. a spring hole; 14. an arc-shaped oil groove; 15. teeth are missing.

Detailed Description

The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown. All other embodiments, modifications, equivalents, improvements, etc., which are apparent to those skilled in the art without the benefit of this disclosure, are intended to be included within the scope of this utility model.

Examples

As shown in fig. 1-3, the utility model provides a gear shaping fixture capable of being used for angular positioning, which comprises a positioning seat 2, wherein a mounting hole is formed in the positioning seat, the positioning seat is fixed on a workbench (gear shaping machine) through a bolt matched with the mounting hole, a pull rod 4 penetrates through the center of the positioning seat 2, a gasket 3 is fixed on the lower surface of the pull rod 4, and the pull rod 4 is fixedly connected with a hydraulic rod of the gear shaping machine.

The positioning seat 2 is provided with an end face positioning surface 11 for positioning the axial position of a workpiece to be machined, the center of the end face positioning surface 11 is provided with an inner hole positioning surface 8 which is vertically matched with the inner hole of the workpiece 5 to be machined, the end face positioning surface 11 is uniformly provided with a plurality of opening through grooves 7 along the circumferential direction, the opening through grooves 7 are used for removing chips, the end face positioning surface 11 is provided with a ball plunger 1 matched with the workpiece 5 to be machined, the ball plunger 1 comprises a plunger 6, a steel ball 10 and a top spring 12, the end face positioning surface 11 is provided with a containing cavity, the plunger 6 is fixedly arranged in the containing cavity, the center of the plunger 6 is provided with a vertical spring hole 13, the top spring 12 is arranged in the spring hole 13, the upper end of the top spring 12 is connected with the steel ball 10, the steel ball 10 can stretch in the spring hole, and the part of the steel ball, which leaks out of the plunger is less than half of the steel ball body.

A plurality of arc-shaped oil grooves 14 are uniformly distributed on the inner end surface of the workpiece 5 to be processed along the circumferential direction, and the arc-shaped oil grooves 14 are matched with the steel balls 10; the outer teeth 9 of the outer ring of the workpiece to be processed are uniformly provided with missing teeth 15 along the circumferential direction, and the missing teeth 15 are correspondingly arranged with the arc-shaped oil grooves 14.

The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a gear shaping anchor clamps that can be used to angular positioning, includes positioning seat, its characterized in that: the center of the positioning seat is penetrated with a pull rod, and the positioning seat is provided with a ball plunger matched with a workpiece to be processed.

2. A gear shaping fixture usable for angular positioning according to claim 1, wherein: the locating seat is provided with an end face locating surface for locating the axial position of a workpiece to be machined, the center of the end face locating surface is provided with an inner hole locating surface which is matched with the inner hole of the workpiece to be machined in the vertical direction, the ball plunger comprises a plunger and a steel ball, the end face locating surface is provided with a containing cavity, the plunger is fixedly arranged in the containing cavity, the center of the plunger is provided with a vertical spring hole, a top spring is arranged in the spring hole, the upper end of the top spring is connected with the steel ball, the steel ball can stretch out and draw back in the spring hole, and the part of the steel ball leaking out of the plunger is smaller than half of the steel ball body.

3. A gear shaping fixture usable for angular positioning according to claim 2, wherein: the end face positioning surface is uniformly provided with a plurality of opening through grooves along the circumferential direction.

4. A gear shaping fixture usable for angular positioning according to claim 2, wherein: and a plurality of arc-shaped oil grooves are uniformly distributed on the inner end surface of the workpiece to be processed along the circumferential direction, and the arc-shaped oil grooves are matched with the steel balls.

5. A gear shaping fixture usable for angular positioning according to claim 4, wherein: the outer teeth of the outer ring of the workpiece to be processed are uniformly provided with missing teeth along the circumferential direction, and the missing teeth are correspondingly arranged with the arc-shaped oil grooves.

6. A gear shaping fixture usable for angular positioning according to claim 1, wherein: and a gasket is fixed on the lower surface of the pull rod.

7. A gear shaping fixture usable for angular positioning according to claim 1, wherein: the pull rod is fixedly connected with a hydraulic rod of the gear shaping machine.