CN212823159U

CN212823159U - Gear hobbing machine is used in gear shaft processing

Info

Publication number: CN212823159U
Application number: CN202021805095.1U
Authority: CN
Inventors: 卢雪龙; 章娇凤
Original assignee: Zhangchen Heavy Industry Suzhou Co ltd
Current assignee: Zhangchen Heavy Industry Suzhou Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-03-30
Anticipated expiration: 2030-08-26

Abstract

The utility model relates to a gear hobbing machine for gear shaft processing, the gear hobbing machine includes the equipment frame, the equipment frame has length direction and width direction perpendicular to each other, the gear hobbing machine also includes the workstation that locates on the equipment frame that slides along length direction, the first actuating mechanism that drives the workstation to slide, locate on the workstation and be used for clamping the work piece and drive the work piece around the clamping mechanism of self axle center rotation, fix the knife rest on the equipment frame, locate the hobbing cutter mechanism on the knife rest; the utility model discloses a gear hobbing machine is used in gear shaft processing, through brand-new structural design, its processing work that can adapt to the longer gear shaft of length (1. m ~1.5 m), provides professional gear shaft processing, avoids not having professional equipment among the prior art and adopts the mode of milling machine processing, has improved the machining efficiency and the processingquality of gear shaft greatly.

Description

Gear hobbing machine is used in gear shaft processing

Technical Field

The utility model relates to a gear hobbing machine is used in gear shaft processing.

Background

The hobbing machine is the most widely applied machine tool in gear processing machines, and can be used for cutting straight teeth and helical cylindrical gears, and also can be used for processing worm gears, chain wheels and the like; the gear hobbing machine in the prior art can generally process gears and gear shafts with shorter axial length, does not have a professional gear hobbing machine for processing the less overlength gear shafts (1. m-1.5 m), generally processes the gear shafts by a milling machine, and has the disadvantages of complex processing process, larger size error, and low processing efficiency and product quality.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide a gear hobbing machine is used in gear shaft processing.

In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows:

the gear hobbing machine comprises an equipment frame, the equipment frame is provided with a length direction and a width direction which are perpendicular to each other, the gear hobbing machine further comprises a workbench which is arranged on the equipment frame in a sliding mode along the length direction, a first driving mechanism which drives the workbench to slide, a clamping mechanism which is arranged on the workbench and used for clamping a workpiece and driving the workpiece to rotate around the axis of the workpiece, a cutter frame which is fixed on the equipment frame, and a hobbing cutter mechanism which is arranged on the cutter frame.

Preferably, the hobbing cutter mechanism comprises a hobbing cutter assembly arranged on the cutter frame and rotating around the axis of the hobbing cutter mechanism, and a second driving mechanism for driving the hobbing cutter assembly to rotate.

Preferably, the hob assembly comprises a rotary cutter shaft arranged on the cutter frame and a rotary hob arranged on the cutter shaft, and the axial lead of the cutter shaft extends along the width direction of the equipment frame.

Preferably, the second driving mechanism comprises a servo motor, a first synchronizing wheel arranged on one end part of the cutter shaft, a second synchronizing wheel arranged on an output shaft of the servo motor, and a synchronous belt in transmission connection between the first synchronizing wheel and the second synchronizing wheel.

Preferably, the tool holder comprises a plurality of support posts fixed to the equipment holder, a support plate assembly connected between the upper ends of the support posts, and the hob mechanism is connected to the support plate assembly.

Preferably, the supporting plate assembly comprises a supporting transverse plate fixedly connected with the supporting upright posts and an adjusting seat plate arranged on the supporting transverse plate in a rotating mode, and the hobbing cutter mechanism is arranged on the adjusting seat plate.

Preferably, the adjustment seat plate is circular.

Preferably, the hob assembly is located below the adjustment seat plate and the servo motor is located above the adjustment seat plate.

Preferably, the clamping mechanisms and the hob mechanisms are respectively provided with two groups, the two groups of clamping mechanisms are spaced in the width direction of the equipment frame, and the two groups of hob mechanisms are spaced in the length direction of the equipment frame.

Preferably, the clamping mechanism comprises a third driving mechanism arranged on the workbench, a chuck arranged on a rotating force output shaft of the third driving mechanism, and a thimble mechanism arranged on the workbench.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

the utility model discloses a gear hobbing machine is used in gear shaft processing, through brand-new structural design, its processing work that can adapt to the longer gear shaft of length (1. m ~1.5 m), provides professional gear shaft processing, avoids not having professional equipment among the prior art and adopts the mode of milling machine processing, has improved the machining efficiency and the processingquality of gear shaft greatly.

Drawings

Fig. 1 is a schematic front view of the gear hobbing machine of the present invention;

fig. 2 is a schematic top view of the gear hobbing machine of the present invention (the equipment frame, the first driving mechanism, the servo motor in the hobbing mechanism, etc. are not shown);

fig. 3 is a schematic side view of the knife holder and the hob mechanism according to the present invention (only one hob mechanism is provided);

wherein: 100. a workpiece; 10. a third drive mechanism; 11. a chuck; 12. a thimble mechanism; 101. an equipment rack; 102. a work table; 21. supporting the upright post; 22. supporting the transverse plate; 23. adjusting the seat board; 30. a servo motor; 31. a first synchronizing wheel; 32. a second synchronizing wheel; 33. a synchronous belt; 40. a hobbing cutter; 41. a cutter shaft; q1, a first drive mechanism.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 3, the gear hobbing machine for processing a gear shaft includes an equipment frame 101, the equipment frame 101 has a length direction and a width direction which are perpendicular to each other, the gear hobbing machine further includes a table 102 provided on the equipment frame 101 and sliding in the length direction, a first driving mechanism q1 (including a motor and a reducer) for driving the table 102 to slide, a clamping mechanism provided on the table 102 for clamping a workpiece 100 and driving the workpiece 100 to rotate around its axis, a tool rest fixed on the equipment frame 101, and a hob mechanism provided on the tool rest.

The clamping mechanism comprises a third driving mechanism 10 (comprising a motor and a speed reducer) arranged on the workbench 102, a chuck 11 arranged on a rotating force output shaft of the third driving mechanism 10, and a thimble mechanism 12 arranged on the workbench 102. The chuck 11 is used for clamping one end of the workpiece 100, and the ejector pin mechanism 12 is used for tightly pushing the workpiece 100 from the other end of the workpiece 100, so that the third driving mechanism 10 drives the chuck 11 to rotate, and then drives the workpiece 100 to rotate and receive machining. The first driving mechanism q1 makes the workbench 102 slide along the length direction of the equipment rack 101, so as to drive the clamping mechanism and the workpiece 100 clamped by the clamping mechanism to move along the length direction of the equipment rack 101, and thus the workpiece 100 receives the machining of the required length in the axial direction.

In this example, the hob mechanism includes a hob assembly mounted on the hob head and rotating around its own axis, and a second driving mechanism for driving the hob assembly to rotate. The hob assembly includes a rotating arbor 41 disposed on the tool rest and a hob 40 disposed on the arbor 41, and an axial line of the arbor 41 extends in a width direction of the equipment frame 101. The second driving mechanism comprises a servo motor 30, a first synchronizing wheel 31 arranged on one end part of the cutter shaft 41, a second synchronizing wheel 32 arranged on an output shaft of the servo motor 30, and a synchronous belt 33 in transmission connection between the first synchronizing wheel 31 and the second synchronizing wheel 32.

Further, the tool holder includes a plurality of support columns 21 fixed to the equipment frame 101, and a support plate assembly connected between upper end portions of the support columns 21, and the hob mechanism is connected to the support plate assembly. The supporting plate assembly comprises a supporting transverse plate 22 fixedly connected with the supporting upright posts 21 and an adjusting seat plate 23 arranged on the supporting transverse plate 22 in a rotating mode, and the hobbing cutter mechanism is arranged on the adjusting seat plate 23. Adjusting seat plate 23 is circular, and the hobbing cutter subassembly is located the below of adjusting seat plate 23, and servo motor 30 is located the top of adjusting seat plate 23.

The rotation design of adjusting bedplate 23 for after adjusting bedplate 23 and rotating certain angle, drive the hobbing cutter in its hobbing cutter mechanism and carry out the off normal to the tooth that needs the inclination in the processing comes out, and the tooth of various angles is processed to the convenience as required. In addition, will adjust bedplate 23 design for circular, for adjusting bedplate 23 convenient realize on supporting diaphragm 22 that rotate provide the basis, it is very convenient to rotate adjustment bedplate 23, and structural design is simple compact, and the cost of manufacture is low.

In addition, the clamping mechanism and the hob mechanism are respectively provided with two sets, the two sets of clamping mechanisms are spaced in the width direction of the equipment frame 101, and the two sets of hob mechanisms are spaced in the length direction of the equipment frame 101. Through the design of two sets of clamping mechanisms and two sets of hobbing cutter mechanisms, the utility model discloses gear hobbing machine work efficiency can be improved by a wide margin.

To sum up, the utility model discloses a gear hobbing machine is used in gear shaft processing through brand-new structural design, and its processing work that can adapt to the longer gear shaft of length (1. m ~1.5 m) provides the gear shaft processing of specialization, avoids not having professional equipment among the prior art and adopts the mode of milling machine processing, has improved the machining efficiency and the processingquality of gear shaft greatly.

The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a gear hobbing machine is used in gear shaft processing which characterized in that: the gear hobbing machine comprises an equipment frame, the equipment frame is provided with a length direction and a width direction which are perpendicular to each other, the gear hobbing machine further comprises a workbench and a drive which are arranged on the equipment frame in a sliding mode along the length direction, a first driving mechanism for the workbench to slide and a hob mechanism arranged on the hob frame, wherein the workbench is used for clamping a workpiece and driving the workpiece to rotate around the axis of the workpiece, and the hob mechanism is fixed on the equipment frame.

2. The gear hobbing machine for gear shaft processing according to claim 1, characterized in that: the hob cutter mechanism comprises a hob cutter assembly arranged on the cutter frame and a second driving mechanism for driving the hob cutter assembly to rotate, wherein the hob cutter assembly rotates around the axis of the hob cutter mechanism.

3. The gear hobbing machine for gear shaft processing according to claim 2, characterized in that: the hob assembly comprises a hob shaft and a hob cutter, wherein the hob shaft is rotatably arranged on the hob head, the hob cutter is arranged on the hob shaft, and the axial lead of the hob shaft extends along the width direction of the equipment frame.

4. The gear hobbing machine for gear shaft processing according to claim 3, characterized in that: the second driving mechanism comprises a servo motor, a first synchronizing wheel arranged on one end part of the cutter shaft, a second synchronizing wheel arranged on an output shaft of the servo motor, and a synchronous belt in transmission connection between the first synchronizing wheel and the second synchronizing wheel.

5. The gear hobbing machine for gear shaft processing according to claim 4, characterized in that: the hob head comprises a plurality of supporting upright columns fixed on the equipment frame and a supporting plate assembly connected between the upper end parts of the supporting upright columns, and the hob mechanism is connected with the supporting plate assembly.

6. The gear hobbing machine for gear shaft processing according to claim 5, characterized in that: the supporting plate assembly comprises a plurality of supporting transverse plates fixedly connected with the supporting upright posts and an adjusting seat plate arranged on the supporting transverse plates in a rotating mode, and the hobbing cutter mechanism is arranged on the adjusting seat plate.

7. The gear hobbing machine for gear shaft processing according to claim 6, characterized in that: the adjusting seat plate is circular.

8. The gear hobbing machine for gear shaft processing according to claim 6, characterized in that: the hob assembly is located below the adjusting seat plate, and the servo motor is located above the adjusting seat plate.

9. The gear hobbing machine for gear shaft processing according to claim 1, characterized in that: the clamping mechanism and the hobbing cutter mechanism are respectively provided with two groups, the two groups of clamping mechanisms are spaced in the width direction of the equipment frame, and the two groups of hobbing cutter mechanisms are spaced in the length direction of the equipment frame.

10. The gear hobbing machine for gear shaft processing according to claim 1, characterized in that: the clamping mechanism comprises a third driving mechanism arranged on the workbench, a chuck arranged on a rotating force output shaft of the third driving mechanism, and a thimble mechanism arranged on the workbench.