CN210615392U

CN210615392U - Hobbing machine capable of machining gears of multiple models

Info

Publication number: CN210615392U
Application number: CN201921625203.4U
Authority: CN
Inventors: 蔡钢伟
Original assignee: Changzhou Changjiang Gear Co ltd
Current assignee: Changzhou Luobeni Winding Equipment Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-05-26
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a gear hobbing machine of workable polytypic gear, which comprises a frame, the frame upper end is by the fixed fore-stock that is provided with of front side, the end is connected with the processing knife rest behind on the fore-stock, the fixed gear hobbing cutter that is provided with on the processing knife rest, the fixed cylinder that is provided with in fore-stock upper end, a cylinder lower extreme passes through the piston rod and is connected with the processing knife rest, the frame upper end is provided with the workstation, the workstation upper end is by the fixed back post that is provided with of rear side, the frame upper end is by the fixed cylinder No. two that is provided with of rear side, No. two cylinders pass through the piston rod and are connected with the workstation, the back post is by being provided with the carriage on the front end lateral wall, carriage lower. The utility model discloses a gear hobbing machine of workable polytypic gear, the device can process the firm clamping of the gear of treating of different thickness models on the mandrel.

Description

Hobbing machine capable of machining gears of multiple models

Technical Field

The utility model relates to a gear hobbing machine field especially relates to a gear hobbing machine of workable polytypic gear.

Background

The hobbing machine is one of the most widely used gear cutting machines, and can cut straight teeth, helical cylindrical gears, worm gears, chain wheels, etc. A gear processing machine for processing straight teeth, helical teeth, herringbone cylindrical gears and worm gears by a hob according to a generating method. When the machine tool uses a special hob, various workpieces with special tooth shapes such as a spline, a chain wheel and the like can be machined.

The existing gear hobbing machine can only process a single type of gear, if the gear of other types needs to be processed, the mandrel needs to be replaced, but the replacement of the mandrel is time-consuming, and the mandrel needs to be aligned again after replacement, the whole process is very inconvenient, so that the gear hobbing machine capable of processing gears of multiple types needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a hobbing machine capable of machining gears of various types.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a hobbing machine capable of processing gears of various types comprises a machine frame, wherein a front upright post is fixedly arranged at the upper end of the machine frame close to the front side, a processing tool rest is connected to the upper end of the front upright post close to the rear side, a hobbing tool is fixedly arranged on the processing tool rest, a first air cylinder is fixedly arranged at the upper end of the front upright post, the lower end of the first air cylinder is connected with the processing tool rest through a piston rod, a workbench is arranged at the upper end of the machine frame, a rear upright post is fixedly arranged at the upper end of the workbench close to the rear side, a second air cylinder is fixedly arranged at the upper end of the machine frame close to the rear side, the second air cylinder is connected with the workbench through a piston rod, a sliding frame is arranged on the side wall of the front end of the rear upright post close to the front side, a pressing rod is fixedly connected to the lower end of the sliding, the auxiliary pressure bar lower extreme fixedly connected with spring, spring lower extreme fixed connection is at the standing groove lower extreme, the mandrel upper end cup joints the gear that remains to be processed, the pressure cap has been cup jointed to the auxiliary pressure bar upper end, the fixed No. three cylinders that are provided with in rear column upper end, No. three cylinder lower extremes pass through piston rod and carriage connection.

As a further description of the above technical solution:

the upper end of the frame is provided with a slide rail, and the workbench slides on the slide rail.

As a further description of the above technical solution:

the front upright post is provided with a slide rail close to the rear end, the processing tool rest slides on the slide rail, the rear upright post is also provided with a slide rail close to the front end, and the slide frame slides on the slide rail.

As a further description of the above technical solution:

the spindle is made of high-strength steel, and the upper end of the spindle is narrower than the other spindle bodies.

As a further description of the above technical solution:

the pressing rod and the mandrel are positioned on the same main shaft.

As a further description of the above technical solution:

the outer side of the upper end of the auxiliary pressure rod is provided with an external thread, and the inner side of the pressure cap is provided with an internal thread meshed with the external thread.

The utility model discloses following beneficial effect has:

the utility model provides a gear hobbing machine of workable polytypic gear, wherein mainly designed a can adorn the mandrel that presss from both sides different model gears, at first the gear that will treat processing passes supplementary depression bar and cup joints in the mandrel upper end, then will press the cap meshing to cup joint in supplementary depression bar upper end, then will compress tightly the pole through No. three cylinders and move down, make and compress tightly pole lower extreme contact and press the cap, then drive supplementary depression bar and move down, hug closely until pressing the cap lower extreme and treat processing gear upper end, will treat that processing gear is fixed completely, this design makes this mandrel upper end can cup joint the gear of different thickness, and all can fix completely, can not produce the condition of rocking, can be with the gear of processing different models.

Drawings

Fig. 1 is a schematic diagram of a basic structure of a gear hobbing machine capable of machining gears of various types according to the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1-A in accordance with the present invention;

fig. 3 is a front view of the gear hobbing machine capable of machining multi-type gears provided by the utility model.

Illustration of the drawings:

1. a frame; 2. a front pillar; 3. processing a tool rest; 4. a hobbing cutter; 5. a first cylinder; 6. a work table; 7. a rear pillar; 8. a second cylinder; 9. a carriage; 10. a hold down bar; 11. a mandrel; 12. a placement groove; 13. an auxiliary pressure lever; 14. a spring; 15. a gear to be processed; 16. pressing the cap; 17. and a third cylinder.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a hobbing machine capable of processing gears of various types comprises a machine frame 1 and a main body of the hobbing machine, wherein a front upright post 2 is fixedly arranged at the upper end of the machine frame 1 close to the front side, a processing tool rest 3 is connected to the front upright post 2 close to the rear side, a main tool for processing the gears is fixedly arranged on the processing tool rest 3, a hobbing cutter 4 is fixedly arranged on the processing tool rest 3, a first air cylinder 5 is fixedly arranged at the upper end of the front upright post 2, the lower end of the first air cylinder 5 is connected with the processing tool rest 3 through a piston rod, the first air cylinder 5 directly controls the processing tool rest 3 to move on the side wall of the front upright post 2, a workbench 6 is arranged at the upper end of the machine frame 1, a rear upright post 7 is fixedly arranged at the upper end close to the rear side, a second air cylinder 8 is fixedly arranged at the upper end of the machine frame 1 close to the rear side, the second air cylinder 8 is connected with the

workbench

6, 6 fixed mandrels 11 that are provided with in upper end of workstation, standing groove 12 has been seted up to 11 the inner of mandrels, standing groove 12 upper end switches on with the external world, standing groove 12 the inner is provided with supplementary depression bar 13, supplementary depression bar 13 lower extreme fixedly connected with spring 14, spring 14 lower extreme fixed connection is at standing groove 12 lower extreme, 11 upper ends of mandrels cup joint and remain to process gear 15, supplementary depression bar 13 upper end has cup jointed

pressure cap

16, 7 upper ends of rear column are fixed and are provided with No. three cylinders 17, No. three cylinders 17 lower extreme passes through the piston rod and the carriage 9 is connected.

The upper end of the frame 1 is provided with a slide rail, the workbench 6 slides on the slide rail, the front column 2 is provided with a slide rail by the rear end, the processing knife rest 3 slides on the slide rail, the rear column 7 is also provided with a slide rail by the front end, the carriage 9 slides on the slide rail, three slide rails make the workbench 6, the processing knife rest 3, the carriage 9 is smoother when moving, the mandrel 11 is made of high-strength steel, and the upper end is narrower than other shaft bodies, the compression bar 10 and the mandrel 11 are located on the same main shaft, the outer side of the upper end of the auxiliary pressure bar 13 is provided with an external thread, the inner side of the pressure cap 16 is provided with an internal thread meshed with the external thread, and the pressure cap 16 can.

The working principle is as follows: firstly, a gear to be processed penetrates through an auxiliary pressure rod 13 to be sleeved at the upper end of a mandrel 11, then a pressure cap 16 is meshed and sleeved at the upper end of the auxiliary pressure rod 13, then a third air cylinder 17 is controlled to drive a pressure rod 10 to move downwards, the lower end of the pressure rod 10 is made to contact with the pressure cap 16, then the auxiliary pressure rod 13 is driven to move downwards until the lower end of the pressure cap 16 is tightly attached to the upper end of a gear 15 to be processed, the gear 15 to be processed is completely fixed, and then a machine is started to start gear processing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a gear hobbing machine of workable polytypic gear, includes frame (1), its characterized in that: the upper end of the rack (1) is fixedly provided with a front upright post (2) close to the front side, the front upright post (2) is connected with a processing tool rest (3) close to the rear side, the processing tool rest (3) is fixedly provided with a hobbing cutter (4), the upper end of the front upright post (2) is fixedly provided with a first air cylinder (5), the lower end of the first air cylinder (5) is connected with the processing tool rest (3) through a piston rod, the upper end of the rack (1) is provided with a workbench (6), the upper end of the workbench (6) is fixedly provided with a rear upright post (7) close to the rear side, the upper end of the rack (1) is fixedly provided with a second air cylinder (8) close to the rear side, the second air cylinder (8) is connected with the workbench (6) through a piston rod, the rear upright post (7) is provided with a sliding frame (9) close to the front, the utility model discloses a gear machining device, including workstation (6), auxiliary pressure pole (13), spring (14), No. three cylinders (17) are fixed to be provided with mandrel (11) in workstation (6) upper end, standing groove (12) have been seted up to mandrel (11) inner, standing groove (12) upper end switches on with the external world, standing groove (12) inner is provided with auxiliary pressure pole (13), auxiliary pressure pole (13) lower extreme fixedly connected with spring (14), spring (14) lower extreme fixed connection is at standing groove (12) lower extreme, mandrel (11) upper end is cup jointed and is waited to process gear (15), auxiliary pressure pole (13) upper end has cup jointed pressure cap (16), fixed No. three cylinders (17) that are provided with in rear column.

2. The hobbing machine capable of processing gears of various types according to claim 1, wherein: the upper end of the frame (1) is provided with a slide rail, and the workbench (6) slides on the slide rail.

3. The hobbing machine capable of processing gears of various types according to claim 1, wherein: the front upright post (2) is provided with a slide rail close to the rear end, the machining tool rest (3) slides on the slide rail, the rear upright post (7) is also provided with a slide rail close to the front end, and the slide frame (9) slides on the slide rail.

4. The hobbing machine capable of processing gears of various types according to claim 1, wherein: the mandrel (11) is made of high-strength steel, and the upper end of the mandrel is narrower than the other shaft bodies.

5. The hobbing machine capable of processing gears of various types according to claim 1, wherein: the pressing rod (10) and the mandrel (11) are positioned on the same main shaft.

6. The hobbing machine capable of processing gears of various types according to claim 1, wherein: the outer side of the upper end of the auxiliary pressure lever (13) is provided with an external thread, and the inner side of the pressure cap (16) is provided with an internal thread meshed with the external thread.