CN211866787U - Pitch circle chuck for helical gear - Google Patents

Abstract

The utility model discloses a pitch circle chuck for helical gear, it is main including the section cylinder, the jack catch, the holder, O shape circle, the pillar, film dish and transition dish, the section cylinder is according to the design of helical gear helical angle, section cylinder and jack catch link together through the dovetail, the jack catch passes through the screw and installs respectively on the pillar, three pillar is that the circumference evenly fixes on the film dish, the push rod passes transition dish hole and transition dish, the film dish is in the same place with the axle center cooperation, O shape circle, holder and helical gear are placed on the plane by three pillar supporting with the axle center in proper order. The utility model discloses the device can carry out the clamping to the helical gear, and the pitch cylinder that can change different gradients comes the helical gear of the different helical angles of clamping, and the device uses helical gear tooth portion pitch circle as the benchmark, has guaranteed required precision such as helical gear terminal surface, shaft hole are beated well, has good using value widely.

Description

Pitch circle chuck for helical gear

Technical Field

The utility model discloses a pitch circle chuck, especially a pitch circle chuck for helical gear.

Background

Gears are one of the drive components that are widely used in machines. The common gears generally comprise a bevel gear and a straight gear, and the bevel gear has the advantage that the application range of the gear is wider than that of the straight gear, so the bevel gear is frequently used in actual production, and the semi-finished product of the bevel gear is inevitably required to be reprocessed according to production requirements in the application process. At present, a gear with a larger size and an axle hole is usually clamped by matching a gear end face with an expansion mandrel, but the gear without the axle hole is not suitable; or for the gear with higher accuracy requirements such as end face and shaft hole run-out, if the method is used, the end face, the shaft hole and the like of the gear cannot meet the use requirements, and the gear is easy to wear due to run-out in the use process, so that the production benefit is influenced.

Disclosure of Invention

To above not enough, the utility model discloses the device provides a pitch circle chuck for helical gear.

The utility model discloses the device mainly includes helical gear, section cylinder, jack catch, holder, O shape circle, pillar, film dish, transition dish and push rod. The push rod penetrates through an inner hole of the transition disc to be matched with the transition disc coaxially, the thin film disc is fixed on the transition disc through a bolt and coaxial with the transition disc, three supporting columns are fixed on the thin film disc and are evenly distributed in the circumferential direction, a clamping jaw is fixed at the top of each supporting column through a screw, a joint cylinder is connected to each clamping jaw through a dovetail groove, and the O-shaped ring, the retainer and the helical gear are sequentially placed on a plane supported by inclined planes of the three supporting columns coaxially.

The utility model discloses the device includes following technical scheme:

the utility model discloses the device uses helical gear tooth portion pitch circle as the benchmark, and three pillar is that the circumference evenly fixes on the holder, all installs a jack catch on every pillar, and the pitch cylinder that the gradient is the same with helical gear helix angle degree of degrees passes through the dovetail to be fixed on the jack catch, and the jack catch can be followed the radial direction of gear and removed at the pillar top, fixes jack catch and pitch cylinder and comes the tight helical gear of the tight different diameters of clamp in suitable position, and can change the pitch cylinder of corresponding gradient to the helical gear of different helix angles.

The utility model discloses the advantage and the positive effect that the device had:

1. the device takes the pitch circle of the tooth part of the helical gear as a reference, and ensures the accuracy of the end face, the shaft hole run-out and the like of the helical gear.

2. The pitch cylinders with different inclinations can be replaced to clamp bevel gears with different helix angles.

3. Compact structure, stability and reliability.

Drawings

The device of the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of a preferred embodiment of the present invention;

FIG. 2 is a top view of a preferred embodiment of the present invention;

FIG. 3 is a schematic view of the transition disk, membrane disk and push rod of the present invention;

figure 4 is a schematic view of the jaw and pitch cylinder of the present invention.

In the attached drawings, 1, a push rod; 2. a transition disk; 3. a thin film disk; 4. a bolt; 5. an O-shaped ring; 6. a holder; 7. a pillar; 8. a claw; 9. a joint cylinder; 10. a helical gear; 11. and (4) screws.

Detailed Description

In fig. 1-4, the device of the present invention mainly comprises a push rod (1), a transition disc (2), a film disc (3), a bolt (4), an O-ring (5), a retainer (6), a support pillar (7), a claw (8), a pitch cylinder (9), a helical gear (10), and a screw (11).

In the embodiment shown in fig. 1-4, the push rod (1) passes through the inner hole of the transition disc (2) and is matched with the transition disc (2) together with the same axle center, the thin film disc (3) is fixed on the transition disc (2) through the bolt (4) and is coaxial with the transition disc (2), three support columns (7) are fixed on the thin film disc (3), the three support columns (7) are uniformly distributed in the circumference, a clamping jaw (8) is installed at the top of each support column (7) through a bolt (11), a pitch cylinder (9) is fixed at the head of each clamping jaw (8) through a dovetail groove, an O-shaped ring (5), a retainer (6) and a helical gear (10) are sequentially and coaxially placed on a plane supported by the inclined planes of the three support columns (7), the clamping jaw (8) and the pitch cylinder (9) can move along the radial direction of the helical gear (10), and the clamping jaw (8) and the pitch cylinder (9) are fixed at a proper, and the pitch cylinders (9) with corresponding inclination can be replaced for the bevel gears (10) with different helical angles.

Claims (3)

1. The utility model provides a pitch circle chuck for helical gear, mainly includes helical gear, pitch cylinder, jack catch, holder, O shape circle, pillar, film dish, transition dish and push rod, its characterized in that: the inclination angles of the three section cylinders are designed according to the helical angle degree of the bevel gear, the section cylinders are fixed on the clamping jaws, the clamping jaws are installed on the supporting columns through screws, the three supporting columns are circumferentially and uniformly fixed on the film disc, the film disc and the transition disc are coaxially fixed together, inner holes are formed in the transition disc, the push rod penetrates through the inner holes of the transition disc and is installed on the same axis with the transition disc, the bevel gear, the retainer and the O-shaped ring are sequentially placed together with the same axis, and the O-shaped ring is placed on a plane supported by the three supporting columns.

2. The pitch circle chuck for a helical gear according to claim 1, wherein: the claw can move along the radial direction of the bevel gear.

3. The pitch circle chuck for a helical gear according to claim 1, wherein: the clamping jaw is connected with the section cylinder through a dovetail groove.

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