CN212704802U

CN212704802U - Gear hobbing machine for machining mechanical gear

Info

Publication number: CN212704802U
Application number: CN202020826358.0U
Authority: CN
Inventors: 杨定金; 黄爱翠
Original assignee: Yancheng Yandu Longgang Fenghuang Petroleum Machinery Factory
Current assignee: Yancheng Yandu Longgang Fenghuang Petroleum Machinery Factory
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-03-16
Anticipated expiration: 2030-05-18

Abstract

The utility model relates to a gear machining technical field just discloses a gear hobbing machine for machining of mechanical gear, comprises a workbench, the rotation groove has been seted up to the inside of workstation, the bottom of rotating the inslot chamber is rotated and is connected with the dwang, the bottom fixed mounting of workstation has a servo motor, the fixed driven gear that has cup jointed in the outside of dwang, a servo motor's output extends to the inside and the fixedly connected with driving gear that rotate the groove, the top of dwang extends to the top and the spacing platform of fixedly connected with of workstation. The utility model discloses a be provided with two-way lead screw and limiting plate, two-way lead screw rotates and drives two sliders and remove to opposite direction, drives the limiting plate and removes towards gear blank's inner wall when the slider removes, fixes gear blank on spacing bench until two limiting plates for this device can fix spacingly to the gear of equidimension not, and the machined surface of fixed back gear is also not sheltered from simultaneously.

Description

Gear hobbing machine for machining mechanical gear

Technical Field

The utility model relates to a gear machining technical field specifically is a gear hobbing machine is used in machining of mechanical gear.

Background

The hobbing machine is one of the most widely used gear processing machines, and is mainly used for high-precision processing of various straight toothed spur gears, helical gears and other gears.

However, when the gear is fixed by the existing gear hobbing machine, the gear hobbing machine is usually fixed by a suitable screw, so that the gear hobbing machine is troublesome to install and disassemble, and meanwhile, the gears with different sizes cannot be continuously fixed and limited, so that the application range of the existing gear hobbing machine is small, the gear machining cost is improved, and the machined surface of the gear after the limit is fixed is easily shielded.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a gear hobbing machine for machining gear possesses and to fix spacingly to the gear of equidimension not, and the machined surface of fixed rear gear does not receive the advantage of sheltering from yet simultaneously, has solved that current device can not be convenient fix spacingly to the gear of equidimension not, and the machined surface of fixed rear gear receives the problem of sheltering from easily simultaneously.

The utility model provides a following technical scheme: a gear hobbing machine for machining a mechanical gear comprises a workbench, wherein a rotating groove is formed in the workbench, the bottom of an inner cavity of the rotating groove is rotatably connected with a rotating rod, a first servo motor is fixedly mounted at the bottom of the workbench, a driven gear is fixedly sleeved on the outer side of the rotating rod, the output end of the first servo motor extends to the inside of the rotating groove and is fixedly connected with a driving gear, the top of the rotating rod extends to the upper part of the workbench and is fixedly connected with a limiting table, a gear blank is placed at the top of the limiting table, an inner cavity of the limiting table is rotatably connected with a bidirectional lead screw, a second servo motor is fixedly mounted on one side of the limiting table, the output end of the second servo motor is fixedly connected with one end of the bidirectional lead screw, two sliding blocks are connected to the outer side of the bidirectional lead screw through threads, and the tops of the two sliding blocks, two equal fixed mounting in one side that the slider is corresponding has the limiting plate, the lateral shifting groove has been seted up to the one end that the rotation groove was kept away from at the workstation top, one side fixed mounting of lateral shifting inslot chamber has electric telescopic handle, electric telescopic handle's piston rod fixedly connected with sliding block, the top fixed mounting of sliding block has the stand.

Preferably, the inner cavity of the upright column is rotatably connected with a lifting lead screw, a third servo motor is fixedly mounted at the top of the upright column, the output end of the third servo motor is fixedly connected with one end of the lifting lead screw, the outer side of the lifting lead screw is connected with a moving block through threads, and a processing mechanism is fixedly mounted on one side, close to the limiting table, of the moving block.

Preferably, the processing mechanism comprises a fixed plate, the fixed plate is fixedly mounted on one side of the moving block, two connecting plates are fixedly mounted on one side of the fixed plate close to the limiting table, a rolling rod is rotatably connected between the two connecting plates, a fourth servo motor is fixedly mounted on one side of the connecting plates, and one end of the fourth servo motor is fixedly connected with one end of the rolling rod.

Preferably, the driving gear is in meshed connection with the driven gear, and the diameter ratio of the driving gear to the driven gear is one to three.

Preferably, one side fixed mounting of workstation has control panel, the bottom of sliding block and the bottom sliding connection of lateral shifting inslot cavity.

Preferably, the bottoms of the two sliding blocks are in sliding connection with the bottom of the inner cavity of the limiting table.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a be provided with two-way lead screw and limiting plate, two-way lead screw rotates and drives two sliders and remove to opposite direction, drives the limiting plate and removes towards gear blank's inner wall when the slider removes, fixes gear blank on spacing bench until two limiting plates for this device can fix spacingly to the gear of equidimension not, and the machined surface of fixed back gear is also not sheltered from simultaneously.

2. The utility model discloses a be provided with the lift lead screw, the driving gear, driven gear and electric telescopic handle, make this device can carry out the processing of tooth to the gear of different thickness, make this device be suitable for the scene more, thereby the rotation precision of gear blank has been improved simultaneously, make spacing bench fixed gear blank turned angle's precision higher, also prevent simultaneously that spacing platform from rotating under the influence of external force, thereby the phenomenon that leads to the hobbing processing failure takes place, and make this device can process the tooth of the different degree of depth simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the processing mechanism of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a work table; 2. a rotating groove; 3. rotating the rod; 4. a driven gear; 5. a first servo motor; 6. a driving gear; 7. a limiting table; 8. a bidirectional screw rod; 9. a slider; 10. a gear blank; 11. a limiting plate; 12. a second servo motor; 13. an electric telescopic rod; 14. a slider; 15. a column; 16. a lifting screw rod; 17. a moving block; 18. a third servo motor; 19. a processing mechanism; 1901. a fixing plate; 1902. a connecting plate; 1903. rolling a rod; 1904. a fourth servo motor; 20. a control panel; 21. the slot is moved laterally.

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.

Referring to fig. 1-4, a gear hobbing machine for machining a mechanical gear comprises a workbench 1, a rotating groove 2 is formed in the workbench 1, a rotating rod 3 is rotatably connected to the bottom of an inner cavity of the rotating groove 2, a first servo motor 5 is fixedly installed at the bottom of the workbench 1, a driven gear 4 is fixedly sleeved on the outer side of the rotating rod 3, an output end of the first servo motor 5 extends into the rotating groove 2 and is fixedly connected with a driving gear 6, the top of the rotating rod 3 extends above the workbench 1 and is fixedly connected with a limiting table 7, a gear blank 10 is placed at the top of the limiting table 7, an inner cavity of the limiting table 7 is rotatably connected with a bidirectional screw 8, a second servo motor 12 is fixedly installed at one side of the limiting table 7, an output end of the second servo motor 12 is fixedly connected with one end of the bidirectional screw 8, and two sliders 9 are connected to the outer side of the bidirectional, inside gear blank 10 is all extended to at the top of two sliders 9, the equal fixed mounting in one side of two sliders 9 corresponding has limiting plate 11, lateral shifting groove 21 has been seted up to the one end of rotating groove 2 is kept away from at 1 top of workstation, one side fixed mounting in lateral shifting groove 21 inner chamber has electric telescopic handle 13, electric telescopic handle 13's piston rod fixedly connected with sliding block 14, sliding block 14's top fixed mounting has stand 15.

Wherein, the inner chamber of the upright post 15 is rotatably connected with a lifting screw rod 16, the top of the upright post 15 is fixedly provided with a third servo motor 18, the output end of the third servo motor 18 is fixedly connected with one end of the lifting screw rod 16, the outer side of the lifting screw rod 16 is connected with a moving block 17 through threads, one side of the moving block 17 close to the limit table 7 is fixedly provided with a processing mechanism 19, the output end of the third servo motor 18 drives the lifting screw rod 16 to rotate, the lifting screw rod 16 rotates while driving the moving block 17 to slide downwards, the moving block 17 drives the processing mechanism 19 to move downwards at the moment, so that the device can process gears with different thicknesses, and more applicable scenes of the device are realized.

Wherein, processing agency 19 includes fixed plate 1901, fixed plate 1901 fixed mounting is in one side of movable block 17, one side fixed mounting that fixed plate 1901 is close to spacing platform 7 has two connecting plates 1902, it is connected with hob 1903 to rotate between two connecting plates 1902, one side fixed mounting of connecting plate 1902 has fourth servo motor 1904, the one end of fourth servo motor 1904 and hob 1903's one end fixed connection, fourth servo motor 1904's output drives hob 1903 and rotates, thereby make the hobbing cutter on the hob 1903 carry out tooth processing to gear blank 10, the practicality of this device has been improved, the machining efficiency of this device has also been improved simultaneously.

Wherein, driving gear 6 is connected with the meshing of driven gear 4, and the diameter ratio of driving gear 6 and driven gear 4 is one to three to improved driven gear 4's rotation precision, make spacing 7 go up fixed gear blank 10 turned angle's precision higher, also prevent simultaneously that spacing 7 from rotating under the influence of external force, thereby lead to the phenomenon of hobbing failure to take place.

Wherein, one side fixed mounting of workstation 1 has control panel 20, the bottom sliding connection of the bottom of sliding block 14 and the 21 inner chambers of lateral shifting groove, and electric telescopic handle 13's output promotes stand 15 more steadily when moving towards gear blank 10 direction along the 21 bottoms of lateral shifting groove to make this device can process the tooth of the different degree of depth.

Wherein, the bottom of two sliders 9 all with the bottom sliding connection of 7 inner chambers of spacing platform, two-way lead screw 8 rotates and drives two sliders 9 and remove to opposite direction, drives limiting plate 11 and removes towards the inner wall of gear blank 10 when slider 9 removes, fixes gear blank 10 on spacing platform 7 up to two limiting plates 11 for the gear of equidimension not can be fixed to this device, also does not shelter from the machined surface of gear simultaneously.

The working principle is as follows: when the gear blank machining device is used, an operator firstly places a gear blank 10 to be machined on a limiting table 7, the operator starts a second servo motor 12 through a control panel 20 at the moment, an output end of the second servo motor 12 drives a two-way screw rod 8 to rotate at the moment, the two-way screw rod 8 rotates to drive two sliding blocks 9 to move in opposite directions at the moment, the sliding blocks 9 drive limiting plates 11 to move towards the inner wall of the gear blank 10 while moving, until the two limiting plates 11 fix the gear blank 10 on the limiting table 7, the operator starts an electric telescopic rod 13 through the control panel 20 at the moment, an output end of the electric telescopic rod 13 pushes an upright post 15 to move towards the gear blank 10 along the bottom of a transverse moving groove 21 at the moment, when the gear blank moves to a proper position, the electric telescopic rod 13 stops running, the operator starts a third servo motor 18 through the control panel 20 at the moment, and an output end, at the same time, the lifting screw rod 16 rotates and drives the moving block 17 to slide downwards, at the same time, the moving block 17 drives the processing mechanism 19 to move downwards, when the operator moves to a proper position, the operator starts the fourth servo motor 1904, the output end of the fourth servo motor 1904 drives the roller 1903 to rotate, so that the hob on the hob 1903 machines the gear blank 10 with teeth, and when the gear blank 10 needs to be machined with the surface of the unprocessed teeth, at this moment, an operator starts the first servo motor 5 through the control panel 20, the output end of the first servo motor 5 drives the driving gear 6 to rotate, the driving gear 6 rotates to drive the driven gear 4 to rotate, the driven gear 4 rotates to drive the rotating rod 3 to rotate, the rotating rod 3 rotates to drive the gear blank 10 fixed on the limiting table 7 to rotate by a certain angle, and therefore the surface of the gear blank 10 with unprocessed teeth is processed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gear hobbing machine for machining gear, includes workstation (1), its characterized in that: the rotary table is characterized in that a rotary groove (2) is formed in the workbench (1), the bottom of an inner cavity of the rotary groove (2) is rotatably connected with a rotary rod (3), a first servo motor (5) is fixedly mounted at the bottom of the workbench (1), a driven gear (4) is fixedly sleeved at the outer side of the rotary rod (3), the output end of the first servo motor (5) extends to the inside of the rotary groove (2) and is fixedly connected with a driving gear (6), the top of the rotary rod (3) extends to the upper side of the workbench (1) and is fixedly connected with a limiting table (7), a gear blank (10) is placed at the top of the limiting table (7), a bidirectional screw rod (8) is rotatably connected with the inner cavity of the limiting table (7), a second servo motor (12) is fixedly mounted at one side of the limiting table (7), and the output end of the second servo motor (12) is fixedly connected with one end of the bidirectional, the outside of two-way lead screw (8) has two sliders (9), two through threaded connection the top of slider (9) all extends to inside gear blank (10), two the equal fixed mounting in one side that slider (9) are corresponding has limiting plate (11), lateral shifting groove (21) have been seted up to the one end of rotating groove (2) is kept away from at workstation (1) top, one side fixed mounting of lateral shifting groove (21) inner chamber has electric telescopic handle (13), the piston rod fixedly connected with sliding block (14) of electric telescopic handle (13), the top fixed mounting of sliding block (14) has stand (15).

2. The hobbing machine for machining a mechanical gear according to claim 1, characterized in that: the lifting screw rod (16) is rotatably connected to an inner cavity of the upright post (15), a third servo motor (18) is fixedly mounted at the top of the upright post (15), the output end of the third servo motor (18) is fixedly connected with one end of the lifting screw rod (16), a moving block (17) is connected to the outer side of the lifting screw rod (16) through threads, and a machining mechanism (19) is fixedly mounted on one side, close to the limiting table (7), of the moving block (17).

3. The hobbing machine for machining a mechanical gear according to claim 2, characterized in that: processing agency (19) include fixed plate (1901), fixed plate (1901) fixed mounting is in one side of movable block (17), one side fixed mounting that fixed plate (1901) is close to spacing platform (7) has two connecting plates (1902), two it is connected with roller (1903) to rotate between connecting plate (1902), one side fixed mounting of connecting plate (1902) has fourth servo motor (1904), the one end of fourth servo motor (1904) and the one end fixed connection of roller (1903).

4. The hobbing machine for machining a mechanical gear according to claim 1, characterized in that: the driving gear (6) is meshed with the driven gear (4), and the diameter ratio of the driving gear (6) to the driven gear (4) is one to three.

5. The hobbing machine for machining a mechanical gear according to claim 1, characterized in that: one side fixed mounting of workstation (1) has control panel (20), the bottom of sliding block (14) and the bottom sliding connection of lateral shifting groove (21) inner chamber.

6. The hobbing machine for machining a mechanical gear according to claim 1, characterized in that: the bottoms of the two sliding blocks (9) are in sliding connection with the bottom of the inner cavity of the limiting table (7).