CN220240214U

CN220240214U - Gear hobbing device for gear machining

Info

Publication number: CN220240214U
Application number: CN202321715435.5U
Authority: CN
Inventors: 叶海燕
Original assignee: Dongguan Naigu Intelligent Equipment Co ltd
Current assignee: Dongguan Naigu Intelligent Equipment Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-26
Anticipated expiration: 2033-06-30

Abstract

The utility model belongs to the technical field of gear machining equipment, and particularly relates to a gear hobbing device for gear machining, which comprises a clamping mechanism for clamping gears, a machining mechanism for gear machining and an X-axis moving module; the clamping mechanism is provided with a processing station; the machining mechanism and the X-axis moving module are arranged on one side of the clamping mechanism, and the X-axis moving module is used for moving the machining mechanism to a machining station; the X-axis moving module comprises a moving seat and a fixed ring fixed with the shell; the movable seat is provided with a guide shaft, and the output end of the guide shaft passes through the fixed ring and is connected with the processing mechanism; the fixed ring is arranged at the output end of the guide shaft, the inner side of the fixed ring is provided with a sealing ring, the fixed ring, the sealing ring and the shell form a sealing space, and the movable seat is arranged in the sealing space; the sealing ring is provided with a protruding part which is abutted against the output end of the guide shaft and used for blocking waste scraps and cooling liquid from entering the shell.

Description

Gear hobbing device for gear machining

Technical Field

The utility model belongs to the technical field of gear machining equipment, and particularly relates to a gear hobbing device for gear machining.

Background

The gear hobbing machine is one of the most widely used gear processing machines, and can cut straight-tooth and helical-tooth cylindrical gears, worm gears, chain wheels and the like. Gear hobbing machines are widely used in various machine manufacturing industries such as automobiles, tractors, machine tools, engineering machinery, mining machinery, metallurgical machinery, petroleum, instruments, aircraft and spacecraft.

In machining, existing gear hobbing machines are generally divided into two types: the method is characterized in that the method is modified on a common mechanical gear hobbing machine, and a common motor on the mechanical gear hobbing machine is replaced by a servo motor or a stepping motor, so that the machining precision of the gear hobbing machine is not improved, and the operation labor intensity of workers is properly reduced; the other kind of full-automatic numerical control gear hobbing machine has part of shafts driven by servo motors, and mechanical parts such as multi-stage gears in each shaft driving chain are simplified in driving, so that driving errors are reduced, and the machining precision of gears is improved.

However, the existing numerical control gear hobbing machine generally comprises a clamping mechanism, a machining mechanism, an X-axis moving module, a Y-axis moving module and a Z-axis moving module, and when in hobbing, the machining mechanism is driven to move towards a gear machining position by the Y-axis moving module, so that machining of gears is achieved, however, in the gear machining process, machined scraps can fall on a guide shaft of a moving seat on the Y-axis moving module, and because gaps exist between the moving seat and a shell of the numerical control gear hobbing machine, the scraps can enter the shell through the gaps, normal use of the Y-axis moving module is affected, meanwhile, cooling liquid during machining can splash on the moving shaft and flow into the shell along the moving shaft, cleaning is difficult, maintenance and maintenance of the numerical control gear hobbing machine are not facilitated, and the service life of the numerical control gear hobbing machine is shortened.

Disclosure of Invention

The utility model aims to provide a gear hobbing device for gear machining, and aims to solve the technical problems that scraps in the prior art can enter a shell of a numerical control gear hobbing machine through a gap to influence the normal use of a Y-axis moving module, cooling liquid can flow into the shell along a moving shaft, cleaning is difficult, maintenance and maintenance of the numerical control gear hobbing machine are not facilitated, and the service life of the numerical control gear hobbing machine is reduced.

In order to achieve the above purpose, the gear hobbing device for gear machining provided by the embodiment of the utility model comprises a clamping mechanism for clamping gears, a machining mechanism for gear machining and an X-axis moving module; the clamping mechanism is provided with a processing station; the machining mechanism and the X-axis moving module are arranged on one side of the clamping mechanism, and the X-axis moving module is used for moving the machining mechanism to a machining station; the X-axis moving module comprises a moving seat and a fixed ring fixed with the shell; the movable seat is provided with a guide shaft, and the output end of the guide shaft penetrates through the fixed ring and is connected with the processing mechanism; the fixed ring is arranged at the output end of the guide shaft, a sealing ring is arranged at the inner side of the fixed ring, the sealing ring and the shell form a sealing space, and the movable seat is arranged in the sealing space; the sealing ring is provided with a protruding portion, and the protruding portion is abutted with the output end of the guide shaft and used for blocking waste scraps and cooling liquid from entering the shell.

Preferably, the sealing ring is provided with a hollow groove, one side of the hollow groove corresponding to the protruding part is provided with a reinforcing rib, and the reinforcing rib is used for improving the supporting strength of the protruding part.

Preferably, the boss includes a first end face and a second end face; the first end face and the second end face form an included angle in an obtuse angle mode, the included angle is in contact with the output end of the guide shaft, and the included angle is used for blocking scraps and cooling liquid outside the shell.

Preferably, the X-axis moving module further comprises an X-axis moving driving assembly and an adjusting assembly, and the X-axis moving driving assembly and the adjusting assembly are arranged in the sealed space; the X-axis movement driving assembly is connected with the movement seat and used for driving the movement seat to move along the X-axis direction; the adjusting component is arranged on the movable seat and used for adjusting the rotation angle of the processing mechanism.

Preferably, a turbine is arranged on the guide shaft; the adjustment assembly has a worm that engages the worm gear.

Preferably, the device also comprises a workbench, a Y-axis moving module and a Z-axis moving module; the Y-axis moving module is connected with the X-axis moving module and is connected to the workbench in a sliding manner and used for adjusting the position of the processing mechanism in the Y-axis direction; the Z-axis moving module is arranged between the processing mechanism and the X-axis moving module and used for adjusting the position of the processing mechanism in the Z-axis direction.

Preferably, the clamping mechanism comprises a first clamping assembly and a second clamping assembly; the first clamping assembly and the second clamping assembly are arranged on the workbench, and the first clamping assembly and the second clamping assembly are arranged opposite to each other and used for clamping and fixing the gear on the machining station.

Preferably, the first clamping assembly has a collet; the second clamping assembly comprises a base, a mounting seat and a fixed head; the mounting seat is connected with the base and is connected with the fixed head; the clamping head and the fixed head are coaxially arranged.

Preferably, one side of the base is provided with a translation driving piece for driving the mounting seat to move, and the output end of the translation driving piece is connected with one side of the mounting seat; the mounting seat is in sliding connection with the base.

Preferably, the processing mechanism is connected to the Z-axis moving module; the processing mechanism comprises a rotary driving piece and a hob; the output end of the rotary driving piece is connected with the hob and used for driving the hob to rotate.

The above technical solutions in the gear hobbing device for gear processing provided by the embodiments of the present utility model have at least one of the following technical effects:

through setting up the sealing ring, because protruding portion on the sealing ring is inconsistent with the output of guiding axle, when the guiding axle outwards stretches out and inwards withdraws, sweeps or coolant liquid on the guiding axle output surface contacts with protruding portion, and protruding portion blocks sweeps or coolant liquid outside the shell, prevents sweeps or coolant liquid to enter into in the shell, improves numerical control gear hobbing machine's life.

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 or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a gear hobbing device for gear processing according to an embodiment of the present utility model.

Fig. 2 is a schematic view of a part of a gear hobbing device for gear processing according to an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of an X-axis moving module of a gear hobbing device for gear processing according to an embodiment of the present utility model.

FIG. 4 is a cross-sectional view of a retaining ring and a seal ring provided in an embodiment of the present utility model.

Fig. 5 is a schematic diagram illustrating an internal structure of an X-axis moving module of a gear hobbing device for gear processing according to an embodiment of the present utility model.

Fig. 6 is a schematic view of a part of an X-axis moving module of a gear hobbing device for gear processing according to an embodiment of the present utility model.

Fig. 7 is a schematic structural diagram of a clamping mechanism of a gear hobbing device for gear processing according to an embodiment of the present utility model.

Fig. 8 is a schematic view of a part of a second clamping assembly of a gear hobbing device for gear processing according to an embodiment of the present utility model.

Fig. 9 is a schematic structural diagram of a machining mechanism and a Z-axis moving module of a gear hobbing device for machining gears according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

100-clamping mechanism 110-first clamping assembly 111-chuck

120-second clamping assembly 121-base 122-mount

123-fixed head 124-translation driving piece 200-processing mechanism

210-rotation driving piece 220-hob 300-X axis moving module

310-retaining ring 320-sealing ring 321-boss

321 a-first end face 321 b-second end face 322-empty slot

323-reinforcing rib 330-X-axis movement driving assembly 340-movement seat

341-guide shaft 342-turbine 350-worm adjusting assembly

351-worm 400-workbench 500-Y axis moving module

600-Z axis movement module 700-housing.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 9 are exemplary and intended to illustrate embodiments of the present utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably 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 embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1 to 9, there is provided a gear hobbing device for gear machining, comprising a clamping mechanism 100 for clamping a gear, a machining mechanism 200 for gear machining, and an X-axis moving module 300; the clamping mechanism 100 is provided with a processing station, and the clamped gear is subjected to gear tooth processing on the processing station; the machining mechanism 200 and the X-axis moving module 300 are arranged on one side of the clamping mechanism 100, the X-axis moving module 300 is connected with the machining mechanism 200, and the X-axis moving module 300 is used for moving the machining mechanism 200 to a machining station; the X-axis moving module 300 comprises a moving seat 340 and a fixed ring 310 fixed with the shell 700, wherein the fixed ring 310 is connected with a plate rib on the shell 700 of the numerical control gear hobbing machine; the movable seat 340 is provided with a guide shaft 341, and the output end of the guide shaft 341 is wholly or partially exposed outside the housing 700, and the output end of the guide shaft 341 passes through the fixed ring 310 and is connected with the processing mechanism 200; the fixed ring 310 is arranged at the output end of the guide shaft 341, a sealing ring 320 is arranged at the inner side of the fixed ring 310, the sealing ring 320 and the shell 700 form a sealing space, and the movable seat 340 is arranged in the sealing space; the sealing ring 320 is provided with a protruding part 321, and the protruding part 321 is abutted against the output end of the guide shaft 341 and is used for preventing scraps and cooling liquid from entering the shell 700;

specifically, since the protruding portion 321 on the seal ring 320 contacts with the output end of the guide shaft 341, when the guide shaft 341 extends outward and retracts inward, the scraps or coolant on the surface of the output end of the guide shaft 341 contacts with the protruding portion 321, and the protruding portion 321 blocks the scraps or coolant outside the housing 700, so that the scraps or coolant is prevented from entering the housing 700, and the service life of the numerical control gear hobbing machine is prolonged.

Further, in this embodiment, the seal ring 320 is made of an elastic material, the seal ring 320 is provided with an empty groove 322, one side of the empty groove 322 corresponding to the protruding portion 321 is provided with a reinforcing rib 323, the reinforcing rib 323 is used for improving the supporting strength of the protruding portion 321, when moving, the guide shaft 341 will squeeze the seal ring 320, so that the protruding portion 321 moves towards the inside of the empty groove 322, and since the seal ring 320 is made of an elastic material, the protruding portion 321 is tightly attached to the output end of the guide shaft 341, and therefore, the waste scraps or cooling liquid on the output end of the guide shaft 341 is prevented from entering the housing 700 to affect the normal use of the X-axis moving module 300.

Further, the boss 321 includes a first end surface 321a and a second end surface 321b; the first end face 321a and the second end face 321b form an included angle through obtuse angle setting, the structure is V-shaped, the corner of the included angle is abutted against the output end of the guide shaft 341, the included angle is used for blocking scraps and cooling liquid outside the shell, the included angle formed by the first end face 321a and the second end face 321b is abutted against the output end of the guide shaft 341, the blocking effect is achieved, and the scraps or cooling liquid on the output end of the guide shaft 341 are prevented from entering the shell 700 to affect the normal use of the X-axis moving module 300.

Further, the X-axis moving module 300 further includes an X-axis moving driving assembly 330 and an adjusting assembly 350, wherein the X-axis moving driving assembly 330 and the adjusting assembly 350 are disposed in the sealed space; the X-axis movement driving assembly 330 is connected to the movement seat 340, and is used for driving the movement seat 340 to move along the X-axis direction; the adjusting component 350 is arranged on the movable seat 340 and used for adjusting the rotation angle of the processing mechanism 200, the X-axis movable driving component 330 is started, and the X-axis movable component drives the movable seat 340 to move, so that the position of the movable seat 340 on the X-axis is adjusted, and meanwhile, the adjusting component 350 is also arranged, and the angle of the processing mechanism 200 is adjusted through the adjusting component 350, so that the processing of a bevel gear is facilitated.

Further, a turbine 342 is provided on the guide shaft 341; the adjusting component 350 has a worm 351, the worm 351 is engaged with the worm gear 342, by starting the adjusting component 350, the adjusting component 350 drives the worm 351 to rotate, and the worm 351 is engaged with the worm gear 342 on the guiding shaft 341, so as to drive the guiding shaft 341 to rotate, thereby realizing the angle adjustment of the processing mechanism 200.

Still further, the apparatus further comprises a workbench 400, a Y-axis moving module 500 and a Z-axis moving module 600; the Y-axis moving module 500 is connected to the X-axis moving module 300 and is slidably connected to the table 400, for adjusting the position of the processing mechanism 200 in the Y-axis direction; the Z-axis moving module 600 is arranged between the processing mechanism 200 and the X-axis moving module 300 and is used for adjusting the position of the processing mechanism 200 in the Z-axis direction, and the Y-axis moving module 500 and the X-axis moving module 300 are arranged, so that the position of a moving group can be adjusted conveniently by a worker in the Y-axis or X-axis direction, and the Z-axis moving module 600 is arranged, so that the Z-axis position of the processing mechanism 200 can be adjusted conveniently by the worker, and the processing convenience is improved.

Still further, the clamping mechanism 100 includes a first clamping assembly 110 and a second clamping assembly 120; the first clamping assembly 110 and the second clamping assembly 120 are arranged on the workbench 400, and the first clamping assembly 110 and the second clamping assembly 120 are oppositely arranged and used for clamping and fixing the gear on the machining station, and the gear is clamped through the first clamping assembly 110 and the second clamping assembly 120, so that the gear is fixed on the machining station and is convenient to machine the gear subsequently.

Further, the first clamping assembly 110 has a collet 111; the second clamping assembly 120 includes a base 121, a mount 122, and a fixed head 123; the mounting seat 122 is connected with the base 121, and the mounting seat 122 is connected with the fixed head 123; the clamping head 111 and the fixed head 123 are coaxially arranged, one side of the gear is clamped by the clamping head 111 of the first clamping assembly 110, the other end of the gear is fixed by the fixed head 123 of the second clamping assembly 120, and the clamping and fixing of the gear are realized by the cooperation of the first clamping assembly 110 and the second clamping assembly 120.

Further, a translation driving member 124 for driving the mounting seat 122 to move is arranged on one side of the base 121, and an output end of the translation driving member 124 is connected with one side of the mounting seat 122; the mounting seat 122 is slidably connected with the base 121, the translation driving piece 124 is started, and the translation driving piece 124 drives the fixed head 123 on the mounting seat 122 to move towards one end of the gear and to be matched with the first clamping assembly 110 at the other end of the gear, so that the gear is clamped.

Further, the processing mechanism 200 is connected to the Z-axis moving module 600; machining mechanism 200 includes rotary drive 210 and hob 220; the output end of the rotary driving piece 210 is connected with the hob 220 and is used for driving the hob 220 to rotate, driving the rotary driving piece 210, the rotary driving piece 210 drives the hob 220 to rotate, and gear teeth are machined through the rotation of the hob 220.

Further, by arranging the seal ring 320, since the protruding portion 321 on the seal ring 320 contacts with the output end of the guide shaft 341, when the guide shaft 341 extends outwards and retracts inwards, the scraps or cooling liquid on the surface of the output end of the guide shaft 341 contacts with the protruding portion 321, and the protruding portion 321 blocks the scraps or cooling liquid outside the housing 700, so that the scraps or cooling liquid is prevented from entering the housing 700, and the service life of the numerical control gear hobbing machine is prolonged.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The gear hobbing device for gear machining is characterized by comprising a clamping mechanism for clamping a gear, a machining mechanism for gear machining and an X-axis moving module; the clamping mechanism is provided with a processing station; the machining mechanism and the X-axis moving module are arranged on one side of the clamping mechanism, and the X-axis moving module is used for moving the machining mechanism to a machining station;

the X-axis moving module comprises a moving seat and a fixed ring fixed with the shell; the movable seat is provided with a guide shaft, and the output end of the guide shaft penetrates through the fixed ring and is connected with the processing mechanism; the fixed ring is arranged at the output end of the guide shaft, a sealing ring is arranged at the inner side of the fixed ring, the sealing ring and the shell form a sealing space, and the movable seat is arranged in the sealing space; the sealing ring is provided with a protruding portion, and the protruding portion is abutted with the output end of the guide shaft and used for blocking waste scraps and cooling liquid from entering the shell.

2. The gear hobbing device for gear processing according to claim 1, wherein: the sealing ring is internally provided with an empty groove, one side of the empty groove corresponding to the protruding portion is provided with a reinforcing rib, and the reinforcing rib is used for improving the supporting strength of the protruding portion.

3. The gear hobbing device for gear processing according to claim 2, wherein: the convex part comprises a first end face and a second end face; the first end face and the second end face form an included angle in an obtuse angle mode, the included angle is in contact with the output end of the guide shaft, and the included angle is used for blocking scraps and cooling liquid outside the shell.

4. A gear hobbing device for gear processing according to any one of claims 1-3, characterized in that: the X-axis moving module further comprises an X-axis moving driving assembly and an adjusting assembly, and the X-axis moving driving assembly and the adjusting assembly are arranged in the sealed space; the X-axis movement driving assembly is connected with the movement seat and used for driving the movement seat to move along the X-axis direction; the adjusting component is arranged on the movable seat and used for adjusting the rotation angle of the processing mechanism.

5. The gear hobbing device for gear processing according to claim 4, wherein: the guide shaft is provided with a turbine; the adjustment assembly has a worm that engages the worm gear.

6. A gear hobbing device for gear processing according to any one of claims 1-3, characterized in that: the device also comprises a workbench, a Y-axis moving module and a Z-axis moving module; the Y-axis moving module is connected with the X-axis moving module and is connected to the workbench in a sliding manner and used for adjusting the position of the processing mechanism in the Y-axis direction; the Z-axis moving module is arranged between the processing mechanism and the X-axis moving module and used for adjusting the position of the processing mechanism in the Z-axis direction.

7. The gear hobbing device for gear processing according to claim 6, wherein: the clamping mechanism comprises a first clamping assembly and a second clamping assembly; the first clamping assembly and the second clamping assembly are arranged on the workbench, and the first clamping assembly and the second clamping assembly are arranged opposite to each other and used for clamping and fixing the gear on the machining station.

8. The gear hobbing device for gear processing according to claim 7, wherein: the first clamping assembly is provided with a chuck; the second clamping assembly comprises a base, a mounting seat and a fixed head; the mounting seat is connected with the base and is connected with the fixed head; the clamping head and the fixed head are coaxially arranged.

9. The gear hobbing device for gear processing according to claim 8, wherein: a translation driving piece for driving the mounting seat to move is arranged on one side of the base, and the output end of the translation driving piece is connected with one side of the mounting seat; the mounting seat is in sliding connection with the base.

10. The gear hobbing device for gear processing according to claim 6, wherein: the processing mechanism is connected to the Z-axis moving module; the processing mechanism comprises a rotary driving piece and a hob; the output end of the rotary driving piece is connected with the hob and used for driving the hob to rotate.