CN220838267U - Gear shaping tool for automobile spindle - Google Patents

Abstract

The utility model discloses an automobile spindle gear shaping tool which comprises a frame, a positioning frame, a jack and a movable frame, wherein two groups of sliding grooves are formed in the top of the frame at intervals, the positioning frame is fixedly connected to the inner wall surface of the lower end of the frame, the jack is penetratingly arranged in the top of the frame, the inner side of the movable frame is integrally connected with an inner frame, and the bottom of the movable frame is fixedly connected with a sliding block. This car main shaft gear shaping frock uses through the cooperation between inner frame and the outer cap, can fix the car main shaft centre gripping of different external diameter specifications wherein, have the spacing effect on the horizontal direction to the car main shaft to can adjust the jack center department with the car main shaft through spout and slider, effectively improve the suitability, this car main shaft gear shaping frock can be at the fixed in-process of car main shaft centre gripping vertical removal of its, need not to loosen anchor clamps, has improved the convenience of operation, thereby has improved gear shaping precision through the setting of a plurality of group rolling mechanism.

Description

Gear shaping tool for automobile spindle

Technical Field

The utility model relates to the technical field of automobile tools, in particular to an automobile spindle gear shaping tool.

Background

The involute structural spline of the automobile main shaft is firstly processed into a tooth form by a gear shaping cutter, then the work is subjected to heat treatment, and then the tooth form is finely ground. The automobile spindle has the structural characteristics that the diameters of the two ends are small, the diameter of the middle section is large, and the distance between the tooth ends and the position with the diameter phi of 140mm is long, if a traditional gear shaping processing method is adopted, if a three-jaw chuck is adopted for tightening or pressing a pressing plate for pressing, the clamping device in the prior art cannot realize clamping due to the fact that the automobile spindle gear shaping cutter is of a special-shaped structural design, and great difficulty is brought to gear shaping work.

The prior application number is CN201420316537.4, the gear shaping tool of the automobile main shaft consists of a positioning seat, a bottom plate, upright posts and a mounting plate, a plurality of upright posts are connected between the bottom plate and the mounting plate, and the gear shaping tool is used for directly placing the automobile main shaft in the positioning seat of the gear shaping tool without adopting other special fixtures, so that gear shaping work is conveniently carried out on the spline of the automobile main shaft, and the gear shaping tool has the characteristics of accurate positioning and rapid clamping. However, the automobile main shaft gear shaping tool has certain defects when in use:

1. Because the gear shaping butt joint operation in the vertical direction is required, the clamp is required to loosen the automobile main shaft, the problem that the position of the automobile main shaft deviates after clamping and loosening is easy to occur, and the precision of gear shaping work is affected;

2. Because the specifications of the automobile main shafts are different, the clamp has lower applicability to clamping work of the main shafts with different outer diameter specifications, and the use is inconvenient.

In view of this, an automobile spindle gear shaping tool is designed.

Disclosure of utility model

The utility model aims to provide an automobile spindle gear shaping tool, which solves the problems of the existing automobile spindle gear shaping tool in the background technology.

In order to achieve the above purpose, the utility model provides a technical scheme that an automobile spindle gear shaping tool comprises a rack, a positioning frame, a jack and a movable frame;

Two groups of sliding grooves are formed in the top of the frame at intervals;

The positioning frame is fixedly connected to the inner wall surface of the lower end of the frame;

The jack is arranged in the top of the frame in a penetrating way;

an inner frame is integrally connected with the inner side of the movable frame, and a sliding block is fixedly connected with the bottom of the movable frame;

A rotating rod is connected in one side of the movable frame through a threaded structure, one end of the rotating rod is fixedly connected with a rotating handle outside the movable frame, and the other end of the rotating rod is fixedly connected with a pressing cap inside the inner frame;

the inner wall surface of the inner frame and the inner wall surface of the rotating rod are provided with a plurality of groups of rolling mechanisms;

The rolling mechanism comprises a movable groove and a ball, wherein:

The ball is movably connected in the movable groove.

Preferably, the sliding blocks are in a regular matrix and are provided with four groups, the four groups of sliding blocks are movably connected in the two groups of sliding grooves, and the sliding grooves and the sliding block side surfaces are in a matched inverted T-shaped structure.

Preferably, the inner frame is of a V-shaped structure.

Preferably, one end of the pressing cap, which is far away from the rotating rod, is a circular truncated cone cavity.

Preferably, the diameter length of the ball is larger than the opening width of the movable groove, and the circle center of the ball is positioned in the movable groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the automobile spindle gear shaping tool, through the cooperation between the inner frame and the outer cap, automobile spindles with different outer diameter specifications can be clamped and fixed in the gear shaping tool, the automobile spindles are limited in the horizontal direction, and the automobile spindles can be adjusted to the center of the jack through the sliding groove and the sliding block, so that the applicability is effectively improved;

2. this car main shaft gear shaping frock can be at the in-process fixed to car main shaft centre gripping to it vertically remove through the setting of a plurality of group's rolling mechanism, need not to loosen anchor clamps, has improved the convenience of operation to gear shaping precision has been improved.

Drawings

FIG. 1 is a front view of an automobile spindle gear shaping tool according to the present utility model;

FIG. 2 is a left side view of an automobile spindle gear shaping tool according to the present utility model;

FIG. 3 is a top view of a frame of an automotive spindle gear shaping tool according to the present utility model;

FIG. 4 is a cross-sectional view of a top view of an automotive spindle gear shaping tool according to the present utility model;

FIG. 5 is a cross-sectional view of another top view of an automotive spindle gear shaping tool according to the present utility model;

FIG. 6 is a bottom view of a movable frame of an automobile spindle gear shaping tool according to the present utility model;

FIG. 7 is a front partial cross-sectional view of an inner frame of an automotive spindle gear shaping tool according to the present utility model;

FIG. 8 is a left side view of a press cap of the automobile spindle gear shaping tool of the utility model;

fig. 9 is a top view of a positioning frame of an automobile spindle gear shaping tool.

In the figure:

1. A frame; 2. a positioning frame; 3. a jack;

4. a movable frame; 5. a chute; 6. an inner frame;

7. a slide block; 8. a rotating rod; 9. a rotating handle; 10. pressing the cap;

11. A rolling mechanism; 1101. a movable groove; 1102. and (3) rolling balls.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-9, the present utility model provides a technical solution: a gear shaping tool for an automobile spindle comprises a frame 1, a positioning frame 2, a jack 3 and a movable frame 4.

Two groups of sliding grooves 5 are arranged in the top of the frame 1 at intervals. Specifically, the front surface of the frame 1 is in a frame structure.

The locating rack 2 is fixedly connected to the inner wall surface of the lower end of the frame 1. Specifically, referring to fig. 9 of the specification, the middle part of the positioning frame 2 is in a ring structure, the automobile main shaft can be inserted into the inner side of the middle part of the positioning frame 2, and the inner diameter length of the middle part of the positioning frame 2 is smaller than the outer diameter length of the middle part of the automobile main shaft.

The jack 3 is arranged in the top of the frame 1 in a penetrating way.

The inner side of the movable frame 4 is integrally connected with an inner frame 6, and the bottom of the movable frame 4 is fixedly connected with a sliding block 7.

The sliding blocks 7 are in a regular matrix and four groups of sliding blocks 7 are movably connected in the two groups of sliding grooves 5 in pairs, and the sliding grooves 5 and the sliding blocks 7 are in a matched inverted T-shaped structure. Specifically, referring to fig. 2-3 of the specification, two ends of the sliding groove 5 are of an opening structure, the sliding groove 5 has a positioning movement function on the sliding block 7, so that the sliding block 7 and the movable frame 4 horizontally move at the top of the frame 1, a main shaft of an automobile at the inner side of the movable frame 4 can be moved to the center of the jack 3, the accuracy of gear shaping work is ensured, and the sliding groove 5 has a limiting function on the sliding block 7 in the vertical direction.

The inside of one side of the movable frame 4 is connected with a rotating rod 8 through a thread structure, one end of the rotating rod 8 is fixedly connected with a rotating handle 9 outside the movable frame 4, and the other end of the rotating rod 8 is fixedly connected with a pressing cap 10 inside the inner frame 6.

The inner wall surface of the inner frame 6 and the inner wall surface of the rotating rod 8 are provided with a plurality of groups of rolling mechanisms 11.

The rolling mechanism 11 includes a movable groove 1101 and a ball 1102, wherein:

the ball 1102 is movably connected in the movable groove 1101.

The diameter length of the ball 1102 is larger than the opening width of the movable groove 1101, and the center of the ball 1102 is positioned in the movable groove 1101. Specifically, the movable groove 1101 has a limiting effect on the balls 1102, so that the balls 1102 are prevented from being separated from the movable groove 1101, and under the action of a plurality of groups of balls 1102, when the automobile spindle is tightly pressed with the balls 1102, the automobile spindle can move up and down through the rotation effect of the balls 1102, so that the gear shaping of the automobile spindle in the vertical direction can be completed more conveniently.

The inner frame 6 has a V-shaped structure. Specifically, referring to fig. 4-7 of the specification, a plurality of groups of rolling mechanisms 11 on the inner frame 6 extend along the geometric direction of the inner wall surface of the inner frame 6, and a plurality of groups of rolling mechanisms 11 on the inner frame 6 are equidistantly arranged along the height extending direction of the inner frame 6, the inner side of the inner frame 6 with a V-shaped structure can be suitable for clamping automobile main shafts with various outer diameter and length specifications, and the applicability is effectively improved.

The end of the press cap 10 far away from the rotating rod 8 is a round table cavity. Specifically, referring to fig. 4-6 of the specification and fig. 8 of the specification, when in use, the automobile spindle is placed on the inner side of the inner frame 6 according to the actual outer diameter length of the automobile spindle, the rotating rod 8 is rotated by the rotating handle 9 to drive the pressing cap 10 to move towards one side of the automobile spindle, so that the automobile spindle is tightly pressed on the inner side of the inner frame 6 by the pressing cap 10, the automobile spindle is connected with a plurality of groups of balls 1102 on the inner wall surfaces of two sides of the inner frame 6 and a plurality of groups of balls 1102 on the inner side of the pressing cap 10, further limiting and clamping on the automobile spindle in the horizontal direction are realized, and then the movable frame 4 is moved to enable the automobile spindle to be located at the center of the jack 3.

Specifically, when in use, because the diameters of the two ends of the automobile main shaft are small and the diameters of the middle section are large, one end of the automobile main shaft is inserted into the annular inner side of the middle part of the positioning frame 2, the middle part of the automobile main shaft is borne at the top of the positioning frame 2, and the other end of the automobile main shaft passes through the jack 3 and is positioned at the inner side of the inner frame 6.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides an automobile spindle gear shaping frock which characterized in that: comprises a frame (1), a positioning frame (2), a jack (3) and a movable frame (4);

two groups of sliding grooves (5) are formed in the top of the frame (1) at intervals;

The positioning frame (2) is fixedly connected to the inner wall surface of the lower end of the frame (1);

the jack (3) is arranged in the top of the frame (1) in a penetrating way;

An inner frame (6) is integrally connected to the inner side of the movable frame (4), and a sliding block (7) is fixedly connected to the bottom of the movable frame (4);

A rotating rod (8) is connected in one side of the movable frame (4) through a threaded structure, one end of the rotating rod (8) is fixedly connected with a rotating handle (9) outside the movable frame (4), and the other end of the rotating rod (8) is fixedly connected with a pressing cap (10) inside the inner frame (6);

The inner wall surface of the inner frame (6) and the inner wall surface of the rotating rod (8) are provided with a plurality of groups of rolling mechanisms (11);

The rolling mechanism (11) comprises a movable groove (1101) and a ball (1102), wherein:

The ball (1102) is movably connected in the movable groove (1101).

2. The automobile spindle gear shaping tool according to claim 1, wherein: the sliding blocks (7) are arranged in a regular matrix, four groups of sliding blocks (7) are movably connected in two groups of sliding grooves (5) in pairs, and the sliding grooves (5) and the side surfaces of the sliding blocks (7) are in a matched inverted T-shaped structure.

3. The automobile spindle gear shaping tool according to claim 1, wherein: the inner frame (6) is of a V-shaped structure.

4. The automobile spindle gear shaping tool according to claim 1, wherein: one end of the press cap (10) far away from the rotating rod (8) is a round table cavity.

5. The automobile spindle gear shaping tool according to claim 1, wherein: the diameter length of the ball (1102) is larger than the opening width of the movable groove (1101), and the center of the ball (1102) is positioned in the movable groove (1101).