CN220161898U

CN220161898U - Hobbing power head

Info

Publication number: CN220161898U
Application number: CN202321363669.8U
Authority: CN
Inventors: 曹辉; 曹开韬
Original assignee: Zhangzhou Stier Transmission Machinery Co ltd
Current assignee: Zhangzhou Stier Transmission Machinery Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-12-12
Anticipated expiration: 2033-05-31

Abstract

The utility model provides a gear hobbing power head, which comprises a body, an upper fixing seat and a lower fixing seat, wherein the upper fixing seat and the lower fixing seat are fixed on the body; the input mechanism comprises an input shaft and an intermediate shaft which are arranged in the body through bearings, the input shaft is connected with the intermediate shaft through a bevel gear assembly, the gear hobbing mechanism comprises a gear hobbing main shaft, a gear hobbing cutter is sleeved on the gear hobbing main shaft, one end of the gear hobbing main shaft extends into the upper fixing seat and is connected with the intermediate shaft through a spur gear assembly, the other end of the gear hobbing main shaft is sleeved with a shaft sleeve, and the shaft sleeve is arranged on the lower fixing seat. The hobbing power tool bit is arranged on the tool turret, and the rotation of the input shaft drives the intermediate shaft to be transmitted to the rotation of the hobbing main shaft, so that the hobbing tool is driven to rotate, the hobbing tool processes and forms a workpiece, the whole tool apron is simple in structure and low in cost, and the hobbing tool is convenient to overhaul and replace.

Description

Hobbing power head

Technical Field

The utility model relates to the field of gear machining equipment, in particular to a gear hobbing power head.

Background

The gear means a mechanical element on the rim, which is continuously engaged with the gear to transmit motion and power. Gear machining equipment is a machine that is dedicated to gear machining. The gear processing machine tool can be divided into two main types of cylindrical gears and bevel gear processing machine tools, and has different precision levels and application ranges. The gear hobbing is based on the principle of generating method, and the hobbing cutter is used to process the gear pair and is equivalent to the meshing of a helical gear pair. The structure of the conventional gear hobbing equipment is generally complex, the cost is high, and the operation of overhauling and replacing a hobbing cutter is inconvenient.

Disclosure of Invention

The present utility model provides a gear hobbing power head which aims to solve the above problems of the existing gear hobbing equipment.

The utility model is realized in the following way: the gear hobbing power head comprises a body, an upper fixing seat and a lower fixing seat, wherein the upper fixing seat and the lower fixing seat are installed on the body through bolts, an input mechanism is arranged in the body, and a gear hobbing mechanism is arranged between the upper fixing seat and the lower fixing seat;

the input mechanism comprises an input shaft and an intermediate shaft which are arranged on the body through bearings, the input shaft is connected with the intermediate shaft through a bevel gear assembly, the gear hobbing mechanism comprises a gear hobbing main shaft, a gear hobbing cutter is sleeved on the gear hobbing main shaft, one end of the gear hobbing main shaft extends into the upper fixing seat and is connected with the intermediate shaft through a spur gear assembly, the other end of the gear hobbing main shaft is sleeved with a shaft sleeve, and the shaft sleeve is arranged on the lower fixing seat.

Further, the body is further provided with an angle adjusting plate, and waist-shaped holes are formed in two sides of the angle adjusting plate.

Further, the gear hobbing cutter is sleeved on the gear hobbing main shaft, one end of the gear hobbing cutter abuts against the step of the gear hobbing main shaft, and the other end of the gear hobbing cutter is locked through a nut.

Further, the bevel gear assembly includes a first bevel gear mounted to an end of the input shaft adjacent the intermediate shaft and a second bevel gear mounted to an end of the intermediate shaft adjacent the input shaft, the first and second bevel gears intermesh.

Further, the spur gear assembly comprises a first spur gear installed at the other end of the intermediate shaft and a second spur gear installed at one end of the hobbing main shaft, and the first spur gear and the second spur gear are meshed with each other.

Further, the upper fixing base further comprises a fixing end cover.

The beneficial effects of the utility model are as follows:

the gear hobbing power head has a simple structure and reasonable and ingenious design, comprises a body, an upper fixing seat and a lower fixing seat, wherein the upper fixing seat and the lower fixing seat are fixed on the body, an input mechanism is arranged in the body, and a gear hobbing mechanism is arranged between the upper fixing seat and the lower fixing seat; the input mechanism comprises an input shaft and an intermediate shaft which are arranged in the body through bearings, the input shaft is connected with the intermediate shaft through a bevel gear assembly, the gear hobbing mechanism comprises a gear hobbing main shaft, a gear hobbing cutter is sleeved on the gear hobbing main shaft, one end of the gear hobbing main shaft extends into the upper fixing seat and is connected with the intermediate shaft through a spur gear assembly, the other end of the gear hobbing main shaft is sleeved with a shaft sleeve, and the shaft sleeve is arranged on the lower fixing seat. The hobbing power tool bit is arranged on the tool turret, and the rotation of the input shaft drives the intermediate shaft to be transmitted to the rotation of the hobbing main shaft, so that the hobbing tool is driven to rotate, the hobbing tool processes and forms a workpiece, the whole tool apron is simple in structure and low in cost, and the hobbing tool is convenient to overhaul and replace.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of a gear hobbing power head according to the present utility model;

fig. 2 is a schematic structural view of a hobbing power head according to the present utility model.

Reference numerals:

10. a body; 101. an input shaft; 1011. a first bevel gear; 102. an intermediate shaft; 1021. a second bevel gear; 1022. a first straight tooth; 103. an angle adjusting plate; 1031. a waist-shaped hole;

20. an upper fixing seat; 201. a hobbing main shaft; 2011. a second straight tooth; 2012. a nut; 202. hobbing cutter; 203. fixing the end cover;

30. a lower fixing seat; 301. a shaft sleeve.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Referring to fig. 1-2, the present embodiment provides a hobbing power head, which includes a body 10, an upper fixing seat 20, and a lower fixing seat, wherein the upper fixing seat 20 and the lower fixing seat are mounted on the body 10 through bolts, so that the disassembly is convenient, an input mechanism is disposed in the body 10, a hobbing mechanism is disposed between the upper fixing seat 20 and the lower fixing seat, the hobbing power head can be mounted on a cutter tower, the cutter tower drives the input mechanism to operate, and the input mechanism is used as power input to transmit rotation to the hobbing mechanism for hobbing a workpiece, so that the cutter seat has a simple integral structure and is convenient to install.

Referring to fig. 1-2, the input mechanism includes an input shaft 101 and an intermediate shaft 102 mounted on a body 10 through bearings, the input shaft 101 and the intermediate shaft 102 are connected through a bevel gear assembly, specifically, the body 10 is provided with a first through hole along a length direction, the body 10 is provided with a second through hole perpendicular to the first through hole direction, the first through hole is communicated with the second through hole, bearings are sleeved on two sides of the input shaft 101 and mounted in the first through hole, the intermediate shaft 102 is sleeved with bearings and mounted in the second through hole, one ends of the input shaft 101 and the intermediate shaft 102 extend out of the body 10 respectively, a first bevel gear 1011 near one end of the intermediate shaft 102 of the input shaft 101 and one end of the intermediate shaft 102 near the input shaft 101 are provided with a second bevel gear 1021, and the first bevel gear 1011 and the second bevel gear 1021 are meshed with each other, so as to realize power transmission of the input shaft 101 and the intermediate shaft 102.

Referring to fig. 1-2, the gear hobbing mechanism includes a gear hobbing spindle 201, a gear hobbing cutter 202 is sleeved on the gear hobbing spindle 201, one end of the gear hobbing spindle 201 extends into the upper fixing seat 20 and is connected with the intermediate shaft 102 through a spur gear assembly, and the other end of the gear hobbing spindle is sleeved with a shaft sleeve which is installed on the lower fixing seat. Specifically, the upper fixing seat 20 is fixed on one side of the body 10, which is close to the intermediate shaft 102, one end of the intermediate shaft 102 extending out of the body 10 is arranged in the upper fixing seat 20, a first straight-tooth 1022 is arranged at one end of the intermediate shaft 102, which is arranged in the upper fixing seat 20, a bearing is arranged at one side of the gear hobbing spindle 201, a second straight-tooth 2011 is arranged in the upper fixing seat 20, the first straight-tooth 1022 and the second straight-tooth 2011 are meshed with each other, the rotation of the intermediate shaft 102 drives the rotation of the gear hobbing spindle 201 through the meshing of the straight-tooth gears, a shaft sleeve is sleeved at the other end of the gear hobbing spindle 201, the shaft sleeve is arranged on the lower fixing seat, the gear hobbing spindle 201 can rotate in the shaft sleeve, the lower fixing seat plays a role in fixing the other end of the gear hobbing spindle 201, so that the reduction of machining precision is prevented due to vibration of the gear hobbing spindle 201, the gear hobbing spindle 201 is sleeved on the gear hobbing spindle 201, thereby driving the rotation of the gear hobbing spindle 202, further machining and forming of gear teeth is carried out on a workpiece, one end of the gear hobbing spindle 202 abuts against a step of the gear hobbing spindle 201, and the other end of the gear hobbing spindle 201 is locked through a nut 2012, and the fixed by the nut 2012, and the gear hobbing spindle 201 is convenient to detach and overhaul when the gear hobbing spindle 201 is replaced. Further, the upper fixing base 20 further includes a fixing end cover 203, and the fixing end cover 203 covers the upper fixing base 20 by bolts to cover the end portions of the intermediate shaft 102 and the gear hobbing main shaft 201, so that on one hand, maintenance is convenient, and on the other hand, dust can be prevented from entering, and rotation of the gear hobbing main shaft 201 and the intermediate shaft 102 is affected.

In addition, the body 10 is further provided with an angle adjusting plate 103, two sides of the angle adjusting plate 103 are provided with waist-shaped holes 1031, specifically, the body 10 is provided with threaded holes at the positions of the two waist-shaped holes 1031, bolts penetrate through the waist-shaped holes 1031 to fix the angle adjusting plate 103 and the body 10, when in use, the angle adjusting plate 103 is fixed on a cutter tower, the bolts penetrating through the waist-shaped holes 1031 are loosened, the body 10 is rotated, the hobbing cutter 202 is enabled to process a workpiece at a certain angle, and gears in different directions can be processed.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The gear hobbing power head is characterized by comprising a body, an upper fixing seat and a lower fixing seat, wherein the upper fixing seat and the lower fixing seat are arranged on the body through bolts, an input mechanism is arranged in the body, and a gear hobbing mechanism is arranged between the upper fixing seat and the lower fixing seat;

the input mechanism comprises an input shaft and an intermediate shaft which are arranged on the body through bearings, one end of the input shaft is connected with the intermediate shaft through a bevel gear assembly, the input shaft comprises a gear hobbing main shaft, a gear hobbing cutter is sleeved on the gear hobbing main shaft, one end of the gear hobbing main shaft extends into the upper fixing seat and is connected with the intermediate shaft through a spur gear assembly, and the other end of the gear hobbing main shaft is sleeved with a shaft sleeve which is arranged on the lower fixing seat.

2. The gear hobbing power head as claimed in claim 1, wherein: the body is further provided with an angle adjusting plate, and waist-shaped holes are formed in two sides of the angle adjusting plate.

3. The gear hobbing power head as claimed in claim 1, wherein: the gear hobbing cutter is sleeved on the gear hobbing main shaft, one end of the gear hobbing cutter abuts against the step of the gear hobbing main shaft, and the other end of the gear hobbing cutter is locked through a nut.

4. The gear hobbing power head as claimed in claim 1, wherein: the bevel gear assembly comprises a first bevel gear mounted on one end of the input shaft, which is close to the intermediate shaft, and a second bevel gear mounted on one end of the intermediate shaft, which is close to the input shaft, wherein the first bevel gear and the second bevel gear are meshed with each other.

5. The gear hobbing power head as claimed in claim 1, wherein: the spur gear assembly comprises a first spur gear arranged at the other end of the intermediate shaft and a second spur gear arranged at one end of the hobbing main shaft, and the first spur gear and the second spur gear are meshed with each other.

6. The gear hobbing power head as claimed in claim 1, wherein: the upper fixing seat further comprises a fixing end cover.