CN220480454U

CN220480454U - Gear shaping frock based on ring gear core that expands and wedge face plunger location compress tightly

Info

Publication number: CN220480454U
Application number: CN202322057308.7U
Authority: CN
Inventors: 裴小梅; 徐友生; 王广南; 宗建玲
Original assignee: Jiangsu Zuoyi Precision Machinery Co ltd
Current assignee: Jiangsu Zuoyi Precision Machinery Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-02-13
Anticipated expiration: 2033-08-02

Abstract

The utility model relates to a gear shaping tool based on positioning and compacting of a gear ring expanding core and a wedge surface plunger, which comprises a bottom plate, wherein an expanding core is assembled in the bottom plate, a matched mandrel is assembled in the middle of the expanding core, and the gear ring is sleeved on the mandrel; the end part of the mandrel penetrates through the corresponding shaft position of the bottom plate, an opening is formed in the side part of the mandrel, a matched wedge surface plunger is arranged at the position corresponding to the opening of the bottom plate, and the plane end of the wedge surface plunger is assembled and connected with a square head long cylinder end set screw; the equal-height blocks comprise three equal-height blocks which are uniformly arranged along the circumferential direction of the bottom plate, and the upper ends of the equal-height blocks are contacted with the end face of one end of the gear ring flange, so that one large plane positioning and supporting are realized. Compared with the prior art, the utility model has the advantages that: the tool has simple structure, short design and manufacture period and low cost; the reliability is high, the operation is convenient, and the manual positioning and the disassembly working hours are saved; effectively shortens the development period of new products, improves the production efficiency and reduces the production cost.

Description

Gear shaping frock based on ring gear core that expands and wedge face plunger location compress tightly

Technical Field

The utility model relates to the field of machining equipment, in particular to a gear shaping tool for positioning and compacting a gear ring expanding core and a wedge surface plunger.

Background

Along with the increasing production cost of enterprises and the popularization of intelligent processing technology of the enterprises, the production of small batches and multiple batches is increased increasingly, the traditional gear shaping processing tool is adopted, the clamping speed is low, the positioning effect is poor, and the current production efficiency of the enterprises is seriously affected.

Disclosure of Invention

In order to solve the technical problems, the gear shaping tool based on positioning and compressing of a gear ring expanding core and a wedge surface plunger comprises:

the bottom plate is internally provided with an expansion core, the middle part of the expansion core is provided with a matched mandrel, and the mandrel is sleeved with a gear ring;

the end part of the mandrel penetrates through the corresponding shaft position of the bottom plate, an opening is formed in the side part of the mandrel, a matched wedge surface plunger is arranged at the position corresponding to the opening of the bottom plate, and the plane end of the wedge surface plunger is assembled and connected with a square head long cylinder end set screw;

the equal-height blocks comprise three equal-height blocks which are uniformly arranged along the circumferential direction of the bottom plate, the upper ends of the equal-height blocks are in contact with the end face of one end of the gear ring flange, so that one large plane positioning and supporting are realized, and the lower ends of the equal-height blocks are fixed through matched hexagon socket head cap screws I.

Compared with the prior art, the utility model has the advantages that: the tool has simple structure, short design and manufacture period and low cost; the reliability is high, the operation is convenient, and the manual positioning and the disassembly working hours are saved; effectively shortens the development period of new products, improves the production efficiency and reduces the production cost.

Further, the bottom plate is fixedly arranged on the working table surface of the gear shaping machine.

Further, in the natural state of the expansion core, the inner hole of the gear ring is in discontinuous circumferential line segment contact with the outer conical surface of the expansion core at the same horizontal height.

Further, diamond pins are provided on the base plate for limiting the rotational freedom of the ring gear about the spindle.

Further, the end part of the expansion core is fixedly connected through a second hexagon socket head cap screw.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.

Fig. 1 is a schematic structural view of a gear shaping tool for positioning and compacting a gear ring expanding core and a wedge surface plunger.

Fig. 2 is a schematic view of the structure of the ring gear according to the present utility model.

Fig. 3 is a schematic view of the contour block according to the present utility model.

Fig. 4 is a schematic structural view of a mandrel according to the present utility model.

Fig. 5 is a schematic structural view of an expansion core according to the present utility model.

Fig. 6 is a schematic view of the structure of the base plate according to the present utility model.

As shown in the figure: 1. gear ring, 2, mandrel, 3, expanding core, 4, equal height blocks, 5, bottom plate, 6, first hexagon socket head cap screw, 7, second hexagon socket head cap screw, 8, wedge surface plunger, 9, square long cylinder end set screw, 10, diamond pin.

Detailed Description

In the embodiment shown in fig. 1, the gear shaping tool structure provided in this embodiment is: an expansion core 3 is assembled in the bottom plate 5, a matched mandrel 2 is assembled in the middle of the expansion core 3, and a gear ring 1 is sleeved on the mandrel 2; the end part of the mandrel 2 passes through the corresponding shaft position of the bottom plate 5, the side part of the mandrel 2 is provided with an opening, the bottom plate 5 is provided with a matched wedge surface plunger 8 at the position corresponding to the opening, and the plane end of the wedge surface plunger 8 is assembled and connected with a square head long cylinder end set screw 9; the equal-height blocks 4 comprise three equal-height blocks which are uniformly arranged along the circumferential direction of the bottom plate 5, the upper ends of the equal-height blocks 4 are in contact with the end face of one end of the flange of the gear ring 1, so that large plane positioning and supporting are realized, and the lower ends of the equal-height blocks 4 are fixed through matched inner hexagon socket head cap screws I6.

And simultaneously, the end part of the expansion core 3 is fixedly connected with the bottom plate 5 through the second hexagon socket head cap screw 7, so that the positioning precision of the tool in the plane direction is ensured.

In one embodiment of the present utility model, as shown in fig. 1 to 6, the present device is used by fixedly mounting the tool bottom plate 5 on the work surface of the gear shaper.

In one embodiment of the present utility model, as shown in fig. 1, 3, 5 and 6, the positioning support member of the present device includes:

1) Three equal-height blocks 4 are uniformly distributed in the circumferential direction and are contacted with the end face of one end of the flange of the gear ring 1, so that a large plane is positioned and supported.

2) In the natural state of the expansion core 3, the inner hole of the gear ring 1 is in discontinuous circumferential line segment contact with the outer conical surface of the expansion core 3 at the same horizontal height.

3. ) A diamond-shaped pin 10 is arranged on the bottom plate 5 to limit the rotation freedom of the gear ring 1 around the axis.

In one embodiment of the present utility model, as shown in fig. 1, 2 and 5, the compressing element of the present device is an expansion core 3, an optical hole penetrating to a central hole is arranged in the radial direction of the base of the expansion core 3, a wedge plunger 8 is slidably matched with the hole, and the wedge plunger 8 can slide freely in the hole along the axial direction. The handle of the mandrel 2 is provided with a wedge-shaped groove, the wedge surface at the front end of the wedge surface plunger 8 is contacted with the wedge surface of the wedge-shaped groove, and the two wedge surfaces can move relatively freely. The radial direction of the bottom plate 5 is provided with an M16 threaded hole penetrating through the central hole, a square-head long cylindrical end set screw 9 is connected with the threaded hole in a threaded pair, and the cylindrical end abuts against the rear end face of the wedge surface plunger 8.

In one embodiment of the present utility model, as shown in fig. 1, 4 and 5, the pressing action of the present device is performed by: the square head long cylinder end set screw 9 is screwed to push the wedge surface plunger 8 to advance, the inclined wedge surface of the wedge surface plunger 8 is wedged into the wedge groove of the handle of the mandrel 2, the handle of the mandrel 2 moves downwards along the inner hole of the expansion core 3 under the action of the axial pressure exerted by the inclined wedge surface of the wedge surface plunger 8, the conical surface at the large end of the mandrel 2 enables the expansion core 3 to be opened, and the self-adaptive centering and compaction of a workpiece are realized. After the gear shaping is finished, the square head long cylinder end set screw 9 is unscrewed, the wedge surface plunger 8 is not stressed any more, the expanding core 3 is restored to a natural state under the stress action of the self material and pushes the mandrel 2 to move upwards, and the gear ring is loosened. The operator can remove the ring gear 1 for which the gear shaping has been completed.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. Gear shaping frock based on ring gear core that expands and wedge face plunger location compress tightly, its characterized in that includes:

the base plate (5), an expansion core (3) is assembled in the base plate (5), a matched mandrel (2) is assembled in the middle of the expansion core (3), and a gear ring (1) is sleeved on the mandrel (2);

the end part of the mandrel (2) passes through the corresponding shaft position of the bottom plate (5), an opening is formed in the side part of the mandrel (2), a matched wedge surface plunger (8) is arranged at the position corresponding to the opening of the bottom plate (5), and the plane end of the wedge surface plunger (8) is assembled and connected with a square head long cylinder end set screw (9);

the equal-height blocks (4) are uniformly arranged along the circumferential direction of the bottom plate (5), the upper ends of the equal-height blocks (4) are in contact with the end face of one end of the flange of the gear ring (1), and the lower ends of the equal-height blocks (4) are fixed through matched hexagon socket head cap screws (6).

2. The gear shaping frock of claim 1, wherein: the bottom plate (5) is fixedly arranged on the working table surface of the gear shaping machine.

3. The gear shaping frock of claim 1, wherein: the inner hole of the gear ring (1) is in discontinuous circumferential line segment contact with the outer conical surface of the expanding core (3) at the same horizontal height in the natural state of the expanding core (3).

4. The gear shaping frock of claim 1, wherein: the base plate (5) is provided with diamond pins (10) for limiting the rotational freedom of the gear ring (1) around the mandrel (2).

5. The gear shaping frock of claim 1, wherein: the end part of the expansion core (3) is fixedly connected through a second hexagon socket head cap screw (7).