CN213163482U

CN213163482U - Taper pin positioning gear hobbing tool

Info

Publication number: CN213163482U
Application number: CN202022077425.6U
Authority: CN
Inventors: 何根浩
Original assignee: Chongqing Jinqiao Machinery Manufacturing Co ltd
Current assignee: Chongqing Jinqiao Machinery Manufacturing Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-05-11
Anticipated expiration: 2030-09-21

Abstract

The utility model relates to a frock technical field, and a taper pin location gear hobbing frock is disclosed, the on-line screen storage device comprises a base, the last lateral wall fixedly connected with positioning disk of base, the jack has all been seted up to the lateral wall of positioning disk and base, it has the inserted bar to peg graft in the jack, the inserted bar overcoat is equipped with treats the gear hobbing fluted disc, the chute has been seted up to the last lateral wall of positioning disk, it has the wedge locating piece to peg graft in the chute, it has the stopper to peg graft in the spacing inslot, the spacing tooth of lateral wall fixedly connected with of stopper, the screens tooth that the lateral wall fixedly connected with and the spacing tooth of wedge locating piece match each other, the trompil has been seted up to the lateral wall of spacing groove, it has the pull rod to peg graft in the. The utility model discloses can eliminate positioning gap completely after the plane that can make the wedge locating piece and the laminating of gear plane, and not influenced by semicircle tooth plane to axial lead distance change, positioning accuracy is high and can carry on spacingly to the wedge locating piece, has increased the device's stability.

Description

Taper pin positioning gear hobbing tool

Technical Field

The utility model relates to a frock technical field especially relates to a taper pin location gear hobbing frock.

Background

The gear is a mechanical element with teeth on the wheel rim capable of continuously meshing to transmit motion and power, and is a toothed mechanical part capable of meshing with each other, and the diameter of the large gear is one time of that of the small gear.

Aiming at shaft parts with semicircular teeth, gear tooth grooves and semicircular straight surfaces have higher requirements, a positioning pin fixing plane is arranged on a positioning disc to be used for angle limiting in the past similar products, but the distance from the semicircular tooth plane to an axial lead is changed to a certain extent (the distance from the plane of a forged blank to the axial lead is changed by about 1 mm), and the hobbing angle is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art and installing a set pin fixed plane on the positioning disk and be used as the angle spacing, nevertheless semicircle tooth plane to axial lead distance have certain change (the plane of forging the blank to the axial lead distance change about 1mm operation), can produce the problem of influence to the hobbing angle, and a taper pin location hobbing frock that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an angle pin positioning hobbing tool comprises a base, wherein a positioning disc is fixedly connected to the upper side wall of the base, jacks are arranged on the side walls of the positioning disc and the base, inserting rods are inserted in the jacks, a tooth disc to be subjected to gear hobbing is sleeved outside the inserting rods, the upper side wall of the positioning disc is provided with a chute, a wedge-shaped positioning block is inserted in the chute, a limit groove is inserted in the chute, a limiting block is inserted in the limiting groove, the side wall of the limiting block is fixedly connected with a limiting tooth, the side wall of the wedge-shaped positioning block is fixedly connected with a clamping tooth matched with the limiting tooth, a pull hole is arranged on the side wall of the limiting groove, a pull rod is inserted in the pull hole, one end of the pull rod position limiting groove is fixedly connected with the side wall of the limiting block, one end of the pull rod, which extends out of the pull hole, is fixedly connected with a pull plate, and the side wall between the pull plate and the positioning disc is fixedly connected with a spring sleeved outside the pull rod.

Preferably, the side wall of the pulling plate is fixedly connected with a pulling ring.

Preferably, the rod wall of the pull rod is symmetrically and fixedly connected with two sliding blocks, and the hole wall of the pull hole is provided with sliding grooves matched with the sliding blocks.

Preferably, the side wall of the wedge-shaped positioning block is fixedly connected with a rubber pad.

Preferably, the spring is made of aluminum alloy.

Compared with the prior art, the utility model provides a taper pin location gear hobbing frock possesses following beneficial effect:

1. this taper pin location gear hobbing frock through base, positioning disk, jack, inserted bar, the tooth disc of waiting to hobbing, chute and the wedge locating piece that sets up, can eliminate the positioning gap completely after can making the plane of wedge locating piece and gear plane laminating, and do not receive semicircle tooth plane to axial lead distance change influence, positioning accuracy is high.

2. This taper pin location gear hobbing frock through spacing groove, stopper, spacing tooth, screens tooth, trompil, arm-tie and the spring that sets up, can carry on spacingly to the wedge locating piece, has increased device's stability.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can eliminate the positioning gap completely after can making the plane of wedge locating piece and gear plane laminating, and do not receive semicircle tooth plane to axial lead distance change influence, positioning accuracy is high and can carry on spacingly to the wedge locating piece, has increased the device's stability.

Drawings

Fig. 1 is a schematic structural view of a taper pin positioning hobbing tool provided by the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure: the device comprises a base 1, a positioning disc 2, a jack 3, an inserted rod 4, a gear to be hobbed 5, a chute 6, a wedge-shaped positioning block 7, a limiting groove 8, a limiting block 9, a limiting tooth 10, a clamping tooth 11, a pull hole 12, a pull rod 13, a pull plate 14, a spring 15, a pull ring 16, a slide block 17, a slide groove 18 and a rubber pad 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an angle pin positioning hobbing tool comprises a base 1, a positioning disc 2 is fixedly connected to the upper side wall of the base 1, jacks 3 are respectively formed in the side walls of the positioning disc 2 and the base 1, insertion rods 4 are inserted into the jacks 3, a tooth disc 5 to be hobbed is sleeved outside the insertion rods 4, a chute 6 is formed in the upper side wall of the positioning disc 2, a wedge-shaped positioning block 7 is inserted into the chute 6, a limiting groove 8 is inserted into the chute 6, a limiting block 9 is inserted into the limiting groove 8, limiting teeth 10 are fixedly connected to the side wall of the limiting block 9, clamping teeth 11 matched with the limiting teeth 10 are fixedly connected to the side wall of the wedge-shaped positioning block 7, a pull hole 12 is formed in the side wall of the limiting groove 8, a pull rod 13 is inserted into the pull hole 12, one end of the pull rod 13 in the limiting groove 8 is fixedly connected to the side wall of the limiting block, the side wall between the pulling plate 14 and the positioning disk 2 is fixedly connected with a spring 15 which is sleeved outside the pulling rod 13.

The side wall of the pulling plate 14 is fixedly connected with a pulling ring 16, and the pulling plate 14 can be conveniently pulled through the set pulling ring 16, so that the operation of an operator is more convenient.

Two sliding blocks 17 are symmetrically and fixedly connected to the rod wall of the pull rod 13, sliding grooves 18 matched with the sliding blocks 17 are formed in the hole wall of the pull hole 12, and the pull rod 13 is prevented from rotating through mutual matching of the sliding blocks 17 and the sliding grooves 18, so that the pull rod 13 can only move left and right in the horizontal direction.

The side wall fixedly connected with rubber pad 19 of wedge locating piece 7 through the rubber pad 19 that sets up, can make wedge locating piece 7 and treat gear hobbing fluted disc 5 elastic contact, avoids wedge locating piece 7 and treats that gear hobbing fluted disc 5 rigid contact can cause the wearing and tearing of wedge locating piece 7 and treat gear hobbing fluted disc 5.

The material of spring 15 is the aluminum alloy, and the material through spring 15 is the aluminum alloy, has increased spring 15's corrosion resistance, has improved spring 15's life.

The utility model discloses in, during the use, will treat hobbing fluted disc 5 and place on positioning disk 2, then treat hobbing fluted disc 5 through inserted bar 4 and accomplish the centering, insert wedge locating piece 7 in chute 6 afterwards, wedge locating piece 7 can produce the horizontally removal from top to bottom in chute 6, can eliminate the positioning gap completely after the plane of wedge locating piece 7 and gear plane laminating, and do not receive semicircle tooth plane to axial lead distance change influence, positioning accuracy is high.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an oblique round pin location hobbing frock, includes base (1), its characterized in that, the last lateral wall fixedly connected with positioning disk (2) of base (1), jack (3) have all been seted up to the lateral wall of positioning disk (2) and base (1), it has inserted bar (4) to peg graft in jack (3), the overcoat of inserted bar (4) is equipped with waits to hobbing fluted disc (5), the last lateral wall of positioning disk (2) has seted up chute (6), it has wedge locating piece (7) to peg graft in chute (6), it has spacing groove (8) to graft in chute (6), it has stopper (9) to graft in spacing groove (8), the lateral wall fixedly connected with spacing tooth (10) of stopper (9), the lateral wall fixedly connected with screens tooth (11) that match each other with spacing tooth (10) of wedge locating piece (7), the lateral wall of spacing groove (8) has seted up hand-pulled hole (12), pull rod (13) have been pegged graft in trompil (12), the lateral wall fixed connection of one end and stopper (9) in pull rod (13) position spacing groove (8), the one end fixedly connected with arm-tie (14) of trompil (12) is stretched out in pull rod (13), spring (15) outside pull rod (13) are established to the same root cover of lateral wall fixedly connected with between arm-tie (14) and positioning disk (2).

2. The taper pin positioning hobbing tool according to claim 1, wherein a pull ring (16) is fixedly connected to a side wall of the pull plate (14).

3. The angle pin positioning hobbing tool according to claim 1, characterized in that two sliding blocks (17) are symmetrically and fixedly connected to the rod wall of the pull rod (13), and sliding grooves (18) matched with the sliding blocks (17) are formed in the hole wall of the pull hole (12).

4. The taper pin positioning hobbing tool according to claim 1, wherein a rubber pad (19) is fixedly connected to a side wall of the wedge-shaped positioning block (7).

5. The taper pin positioning hobbing tool according to claim 1, wherein the spring (15) is made of an aluminum alloy.