CN216680571U

CN216680571U - Hobbing deburring structure

Info

Publication number: CN216680571U
Application number: CN202122298402.2U
Authority: CN
Inventors: 刘景瑞; 余宝坤; 柯昌全; 云登武; 高军军
Original assignee: Shaanxi Fast Gear Co Ltd
Current assignee: Shaanxi Fast Gear Co Ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-06-07
Anticipated expiration: 2031-09-22

Abstract

The utility model relates to a gear hobbing deburring structure which comprises a base, a positioning block, an adapter and a bearing large arm, wherein the base is provided with a positioning block; the positioning block is arranged on the base in a sliding mode along the height direction, and the top of the positioning block is fixedly connected with the large bearing arm; the upper side of the large bearing arm is horizontally provided with an adapter in a sliding manner; the anti-abutting end of the adapter is an inclined surface, the sizes of the to-be-clamped deburring workpieces are different, and the center distances of the deburring mechanisms to be adjusted are different.

Description

Hobbing deburring structure

Technical Field

The utility model relates to the field of part machining precision adjustment, in particular to a hobbing deburring structure.

Background

The characteristics of complex structure, high precision requirement, strict part acceptance check and the like of the outlet parts provide higher requirements for quality control of the machining process.

Typical product quality problems are mainly in the removal of gear hobbing burrs. Most outlet parts have angled end faces, as shown in fig. 1, while the conventional deburring mechanism of the machine tool is only suitable for deburring parts with end faces that are not angled. In general, when the burrs of the outlet part with the inclined angle are eliminated, the burrs are completely removed by an operator manually, and the outlet part after the burrs are removed usually causes the problems of low deburring quality, low yield, high labor intensity and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hobbing deburring structure, aiming at the problem that in the hobbing deburring process in the prior art, the abutting end of a workpiece to be clamped and deburred is an inclined surface.

The utility model is realized by the following technical scheme:

a gear hobbing deburring structure comprises a base, a positioning block, an adapter and a bearing large arm;

the positioning block is arranged on the base in a sliding mode along the height direction, and the top of the positioning block is fixedly connected with the large bearing arm;

the upper side of the large bearing arm is horizontally provided with an adapter in a sliding manner;

the abutting end of the adapter is an inclined surface.

Furthermore, the adaptor and the contact surface of the bearing big arm are provided with sliding clamping grooves along the horizontal direction.

Furthermore, the adaptor and the bearing big arm are provided with a plurality of corresponding limiting through holes, and locking screws are inserted into the limiting through holes.

Further, the bearing large arm fixing end is provided with a fine adjustment screw in a penetrating mode, and the fine adjustment screw is used for driving the bearing large arm to move up and down along the height direction.

Furthermore, the fixed end of the bearing large arm is connected inside the positioning block in a sliding and clamping mode.

Further, the fine adjustment screw penetrates through the positioning block;

the upper portion of the fine adjustment screw is clamped outside the fixed end of the bearing large arm, the bottom of the fine adjustment screw is connected with the stop block in a rotating mode, the stop block is arranged in the positioning block, and the edge portion of the stop block is attached to the inner wall of the positioning block.

Furthermore, an elastic component is arranged in the positioning block, one end of the elastic component abuts against the bottom of the fixed end of the bearing large arm, and the other end of the elastic component abuts against the upper part of the stop block.

Furthermore, the inclination angle of the abutting end of the adaptor is 0-60 degrees.

Furthermore, two ends of the base are provided with transverse supporting structures; the transverse supporting structures are provided with screw holes for fixing.

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

according to the gear hobbing deburring structure, due to the fact that the sizes of deburring workpieces to be clamped are different, and the center distances of deburring mechanisms to be adjusted are different, the adapter piece horizontally arranged in a sliding mode on the upper side of the bearing large arm is used for adjusting the center distances between the deburring workpieces to be clamped and the gear hobbing, the traditional crank structure is replaced, the stability of the structure is improved, meanwhile, the abutting end of the adapter piece is a plane with an inclined angle, the inclined plane of the deburring workpieces to be clamped can be completely attached, further, the gear hobbing burrs of all the deburring workpieces to be clamped within the gear hobbing processing capacity can be removed, the universality degree is improved, the structure is simple, the processing precision is high, and the efficiency is high.

Furthermore, the adaptor is connected with the bearing large arm through a sliding clamping groove in the horizontal direction, so that the center distance of the workpiece to be clamped and deburred in the horizontal direction can be adjusted, and the stability and the precision in the horizontal moving process can be guaranteed.

Furthermore, the adaptor and the bearing large arm are correspondingly provided with a limiting through hole, and meanwhile, the adaptor and the bearing large arm can be locked through a locking screw in the limiting through hole, so that the deburring workpiece to be held is stable in the machining process.

Furthermore, the fine adjustment screw is rotated to realize that the bearing large arm is close to or far away from the distance with the clamping deburring workpiece in the height direction, and further realize the close fit of the workpiece to be clamped.

Furthermore, the positioning block is internally provided with an elastic component, and the bearing arm is slightly moved upwards under the action of the elastic component when the fine adjustment screw is used for adjusting the adaptor and the fitting process of the deburring workpiece to be held, so that the machining precision is realized.

Furthermore, the oblique cutting angle of the abutting end of the adapter can be arbitrarily selected from 0-60 degrees, so that the oblique cutting angle of the abutting surface of all to-be-held deburring workpieces is met, and the applicability is high.

Drawings

FIG. 1 is a schematic structural diagram of a deburring workpiece to be held in an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a gear hobbing deburring structure in an embodiment of the present invention;

fig. 3 is a schematic diagram of a hobbing deburring structure according to an embodiment of the present invention.

In the figure: the base 1, locating piece 2, adaptor 3 bears big arm 4, fine setting screw 5, spacing through-hole 6, locking screw 9, elastomeric element 7, dog 8.

Detailed Description

The present invention will now be described in further detail with reference to the attached drawings, which are illustrative, but not limiting, of the present invention.

Analysis of the part hobbing deburring mechanism reveals that the first consideration for the blade mechanism is the integrity of the blade's fit to the tooth faces. The tooth end faces of most parts to be machined to deburr the workpiece are angled as shown in figure 1. During gear hobbing, the end face of a part is supported and positioned, the end face of the tooth forms a 6-degree included angle with the horizontal direction, and a scraper in a traditional deburring mechanism cannot be completely attached to the end face of the tooth, so that the problems of low deburring efficiency and poor deburring quality are caused.

The utility model discloses a gear hobbing deburring structure, which comprises a base 1, a positioning block 2, an adapter 3 and a bearing large arm 4, wherein the positioning block 2 is arranged on the base;

the positioning block 2 is arranged on the base 1 in a sliding mode along the height direction, and the top of the positioning block 2 is fixedly connected with a large bearing arm 4;

the adapter 3 is horizontally arranged on the upper side of the large bearing arm 4 in a sliding mode and is specifically used for adjusting the center distance between a deburring workpiece to be clamped and a roller, the traditional crank structure is replaced, and the structural stability is improved;

the butt-stop end of the adapter 3 is an inclined plane, specifically, the inclined plane of the workpiece to be clamped and deburred can be completely attached, so that all hobbing burrs of the workpiece to be clamped and deburred within the hobbing processing capacity can be removed, and the universalization degree is improved.

According to a preferred embodiment provided by the utility model, a sliding clamping groove is arranged on the contact surface of the adaptor 3 and the bearing large arm 4 along the horizontal direction, and is specifically used for adjusting the center distance of a to-be-clamped deburring workpiece in the horizontal direction, so that the stability and the accuracy in the horizontal direction moving process are ensured.

According to another preferred embodiment provided by the utility model, the adaptor 3 and the bearing large arm 4 are respectively provided with a plurality of corresponding limiting through holes 6, and locking screws 9 are inserted into the limiting through holes 6, so that a workpiece to be deburred is stable in the machining process, and the precision in the deburring process is improved.

Another preferred embodiment provided by the utility model is that the large bearing arm 4 is connected to the top of the positioning block 2 through a fine adjustment screw 5, and the fine adjustment screw 5 is used for driving the large bearing arm 4 to move up and down along the height direction.

Specifically, the fixed end of the bearing large arm 4 is slidably clamped in the positioning block 2, and meanwhile, a fine adjustment clamping groove is formed in the height direction of the fixed end of the bearing large arm 4 and the inner wall of the positioning block 2 in a matching manner;

the fine adjustment screw 5 penetrates through the positioning block 2; meanwhile, the upper part of the fine adjustment screw 5 is clamped outside the fixed end of the bearing large arm 4, the bottom of the fine adjustment screw is screwed with a stop block 8, the stop block 8 is arranged in the positioning block 2, and the edge part of the stop block 8 is attached to the inner wall of the positioning block 2;

an elastic component 7 is arranged in the positioning block 2, one end of the elastic component 7 abuts against the bottom of the fixed end of the large bearing arm 4, and the other end abuts against the upper part of the stop block 8, and specifically, the elastic component 7 can be a spring;

when the fine adjustment screw 5 is rotated, the upper end of the fine adjustment screw 5 is kept immovable under the action of the outer side of the fixed end of the bearing large arm 4, the lower end drives the stop dog 8 to move upwards, and further the elastic component 7 in the fine adjustment screw is extruded, upward stress is generated to act on the upward movement of the fixed end of the bearing large arm 4, the fixed end of the bearing large arm 4 moves upwards along with the fine adjustment clamping groove, so that the angle between the fixed block 2 and the angle between the fixed block 4 are unchanged, meanwhile, the stop dog 8 is attached to the inner wall of the fixed block 2, the upward movement process of the stop dog is ensured, the rotation cannot be carried out, and further the working process of the elastic component 7 cannot be influenced, and the stability and the precision of the fine adjustment screw 5 in the working process are ensured.

According to another preferred embodiment provided by the utility model, the inclination angle of the abutting end of the adapter 3 is 0-60 degrees, so that the structure is ensured to improve the joint degree of the inclined plane of the tool and the deburring workpiece for the substitute machining in the machining process, the structure is suitable for the deburring workpiece for the substitute machining which can be matched with the hobbing, and the universality of the structure is improved.

Another preferred embodiment provided by the utility model is that two ends of the base 1 are provided with transverse supporting structures; horizontal bearing structure all is equipped with the screw that is used for fixing, and the horizontal bearing structure at upper and lower both ends for on being fixed in the workstation with this structure, further improve the stability and the precision of this structure.

In the specific using process, the method comprises the following steps:

adjusting the approximate height of the positioning block 2 according to the height of the hobbing clamp and the height of the workpiece to be deburred, and clamping the positioning block 2 on the base 1 through a bolt;

selecting an adapter 3 with a matched angle according to the end face angle of the to-be-held deburring workpiece, and installing a deburring scraper on the stop end of the adapter;

adjusting the adaptor 3 to slide on the sliding clamping groove of the bearing large arm 4 along the horizontal direction, and determining the horizontal distance of the scraper so that the outer edge of the scraper is overlapped with the tooth root in the height direction;

screwing the locking screw 9 to limit the scraper to move in the horizontal direction;

loosening the fine adjustment screw 5 to enable the bearing large arm 4 to slightly move upwards under the action of the elastic component 7 until the scraper is attached to the end face of the helical tooth;

normal hobbing, observing the deburring effect after finishing, loosening or screwing the fine adjustment screw 5 according to the actual deburring effect, and further adjusting the joint gap between the scraper and the to-be-held deburring workpiece until the deburring effect reaches the standard;

during the process of changing the production, the adaptor 3 with the corresponding inclination angle is selected, and the operation is repeated to adjust the deburring mechanism.

The above-mentioned contents only illustrate the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.

Claims

1. A gear hobbing deburring structure is characterized by comprising a base (1), a positioning block (2), an adapter (3) and a bearing large arm (4);

the positioning block (2) is arranged on the base (1) in a sliding mode along the height direction, and the top of the positioning block (2) is fixedly connected with a large bearing arm (4);

the adapter (3) is horizontally arranged on the upper side of the large bearing arm (4) in a sliding manner;

the stop end of the adapter piece (3) is an inclined surface.

2. The hobbing deburring structure of claim 1, characterized in that the contact surface of the adaptor (3) and the bearing large arm (4) is provided with a sliding slot along the horizontal direction.

3. The hobbing deburring structure of claim 1, characterized in that the adaptor (3) and the bearing arm (4) are provided with a plurality of corresponding limiting through holes (6), and locking screws (9) are inserted into the limiting through holes (6).

4. The hobbing deburring structure of claim 1, characterized in that a fine adjustment screw (5) is arranged at the fixed end of the large bearing arm (4) in a penetrating manner, and the fine adjustment screw (5) is used for driving the large bearing arm (4) to move up and down along the height direction.

5. The hobbing deburring structure of claim 4, characterized in that the fixed end of the bearing large arm (4) is clamped inside the positioning block (2) in a sliding mode.

6. The hobbing deburring structure of claim 4, characterized in that the fine adjustment screw (5) is arranged through the positioning block (2);

fine setting screw (5) upper portion joint is in bearing the weight of the big arm (4) stiff end outside, and dog (8) are connect soon in the bottom, locating piece (2) are arranged in to dog (8), and the limit portion and the laminating of locating piece (2) inner wall of dog (8).

7. The hobbing deburring structure of claim 6, characterized in that an elastic component (7) is arranged in the positioning block (2), one end of the elastic component (7) abuts against the bottom of the fixed end of the large bearing arm (4), and the other end abuts against the upper part of the stop block (8).

8. The hobbing deburring structure of claim 1, characterized in that the inclination angle of the abutting end of the adaptor (3) is 0-60 °.

9. The hobbing deburring structure of claim 1, characterized in that, the base (1) is provided with lateral supporting structures at both ends;

the transverse supporting structures are provided with screw holes for fixing.