CN217452446U

CN217452446U - High-precision gear hobbing machine convenient for tooth alignment

Info

Publication number: CN217452446U
Application number: CN202123457453.1U
Authority: CN
Inventors: 白洪华; 黄伟灵; 周洁; 孙姚杰; 吴荣建
Original assignee: Zhejiang Zhenxing Axiang Group Co ltd
Current assignee: Zhejiang Zhenxing Axiang Group Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-09-20
Anticipated expiration: 2031-12-21

Abstract

A high-precision gear hobbing machine convenient for tooth alignment comprises a platform, a mounting support arranged on the platform, a lifting mechanism arranged on the mounting support, a push-pull mechanism connected with the lifting mechanism, a gear hobbing mechanism arranged on the push-pull mechanism, and a gear fixing mechanism arranged on one side of the gear hobbing mechanism, wherein the gear hobbing mechanism comprises a first motor, a positioning column connected with the output end of the first motor, a hobbing cutter arranged on the positioning column, a lifting cavity arranged in the positioning column, a longitudinal pushing part arranged in the lifting cavity, a plurality of telescopic channels penetrating through the positioning column, a transverse pushing part arranged in the telescopic channels, a mounting groove arranged on the inner wall of the hobbing cutter, and an auxiliary vibration part arranged in the mounting groove. The utility model discloses a vertical propulsion portion promotes horizontal propulsion portion and removes in flexible passageway, and then promotes the vibration of supplementary vibration portion in the mounting groove to shake off the piece on the hobbing cutter, improve the gear hobbing precision.

Description

High-precision gear hobbing machine convenient for tooth alignment

Technical Field

The utility model relates to a gear production facility technical field, especially a high accuracy gear hobbing machine convenient to tooth.

Background

The hobbing machine is the most widely used machine tool in gear processing machine tools, and can machine straight teeth and helical gears, worm gears and chain wheels, etc. on the hobbing machine, and the hobbing cutter can machine straight teeth, helical teeth, herringbone gears and worm gears according to the generating method. Current gear hobbing machine is like the high-efficient gear hobbing machine of patent number CN209698199U publication convenient to tooth, including the gear hobbing machine body, the left side fixed mounting of gear hobbing machine body has the pneumatic cylinder, the left side fixed mounting of pneumatic cylinder has the baffle, the right side of baffle and the bottom fixed mounting who is located the pneumatic cylinder have first slide rail, the bottom fixed mounting of gear hobbing machine body has first slider, first slider and first slide rail sliding connection, the right side fixed mounting of gear hobbing machine body has the second slide rail, the top fixed mounting on gear hobbing machine body right side has the footstock. This high-efficient gear hobbing machine convenient to tooth is flexible through the control pneumatic cylinder for the gear hobbing machine body is controlled through first slider horizontal slip on first slide rail and realization, thereby drives the hobbing cutter and removes, and whole device operation is got up more convenient and fast, is convenient for carry out the tooth to the gear, improves the work efficiency of whole device and improves the machining precision of gear. However, in the gear hobbing machine, during the gear hobbing process, scraps staying on the hob easily enter the gear together with the hob, and the precision of the gear is affected.

Disclosure of Invention

The utility model aims at providing a high accuracy gear hobbing machine convenient to tooth to solve the problem that proposes in the background art.

The technical solution of the utility model is that: a high-precision gear hobbing machine convenient for tooth alignment comprises a platform, a mounting support arranged on the platform, a lifting mechanism arranged on the mounting support, a push-pull mechanism connected with the lifting mechanism, a gear hobbing mechanism arranged on the push-pull mechanism, and a gear fixing mechanism arranged on one side of the gear hobbing mechanism, wherein the gear hobbing mechanism comprises a first motor, a positioning column connected with the output end of the first motor, a hobbing cutter arranged on the positioning column, a lifting cavity arranged in the positioning column, a longitudinal pushing part arranged in the lifting cavity, a plurality of telescopic channels penetrating through the positioning column and communicated with the lifting cavity, a transverse pushing part arranged in the telescopic channels, a mounting groove corresponding to the telescopic channels and arranged on the inner wall of the hobbing cutter, and an auxiliary vibration part arranged in the mounting groove.

Preferably, the longitudinal propelling part comprises a telescopic cylinder arranged at the top of the inner wall of the lifting cavity, a connecting block connected with the telescopic cylinder, first arc-shaped bulges arranged on the connecting block at intervals, a guide groove arranged at the bottom of the connecting block, and a guide column arranged at the bottom of the inner wall of the lifting cavity and slidably connected with the guide groove.

As preferred, horizontal propulsion portion include with the annular of flexible passageway intercommunication, establish stress column, the cover in the flexible passageway are established stress column is last and respectively with stress column and the spring that the annular is connected, edge stress column sets up and is used for the spacing limiting plate of stress column.

Preferably, one end of the stress column, which is located in the lifting cavity, is provided with a second arc-shaped protrusion, and the second arc-shaped protrusion is in sliding connection with the first arc-shaped protrusion.

Preferably, the auxiliary vibration part comprises a poking plate symmetrically arranged at the bottom of the mounting groove, a swinging plate arranged between the poking plate and the inner wall of the mounting groove, an impact ball arranged at the end part of the swinging plate, a guide seat arranged at the bottom of the mounting groove and positioned between the poking plates, a slide rod connected with the guide seat in a sliding manner, a first inclined block arranged at the middle part of the slide rod, a second inclined block symmetrically arranged on the poking plate and connected with the first inclined block in a sliding manner, and a pressing plate arranged at one end, far away from the guide seat, of the slide rod.

Preferably, a lateral section is arranged in the middle of the poking plate, the lateral section is in an arc-shaped depression towards the direction of the corresponding swinging plate, and the second inclined block is arranged on the lateral section.

Preferably, first inclined planes are arranged on two sides of the first inclined block, and second inclined planes which are connected with the first inclined planes in a sliding mode are arranged on the second inclined blocks.

Preferably, a movable cavity and a through hole communicated with the movable cavity are formed in the guide seat, the slide rod enters the movable cavity through the through hole, and a limiting block is arranged at one end, entering the movable cavity, of the slide rod.

Preferably, the cross section of the slide bar is rectangular.

The utility model has the advantages that:

compared with the prior art, the utility model discloses a vertical propulsion portion promotes horizontal propulsion portion and removes in telescopic channel, and then promotes supplementary vibration portion vibration in the mounting groove to shake off the piece on the hobbing cutter, improve the hobbing cutter precision.

Drawings

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

FIG. 2 is a schematic view of the hob;

FIG. 3 is a schematic view of an auxiliary vibrating portion;

FIG. 4 is an enlarged view of the point A in FIG. 2;

Detailed Description

The present invention will be further described with reference to the following embodiments in conjunction with the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

In an embodiment, as shown in fig. 1 to 4, a high-precision gear hobbing machine facilitating gear alignment comprises a platform 1, a mounting bracket 2 arranged on the platform 1, a lifting mechanism 3 arranged on the mounting bracket 2, a push-pull mechanism 4 connected with the lifting mechanism 3, a gear hobbing mechanism 5 arranged on the push-pull mechanism 4, and a gear fixing mechanism 6 arranged on one side of the gear hobbing mechanism 5, wherein the lifting mechanism 3 comprises a lifting motor 301 arranged on the mounting bracket 1, a lifting ball screw 302 connected with the lifting motor 301, a lifting slider 303 screwed with the lifting ball screw 302, and a lifting guide rail 304 matched with the lifting slider 303; the lifting motor drives the lifting ball screw to rotate, so that the lifting slide block moves up and down, and is guided by the two lifting guide rails to realize position adjustment. The push-pull mechanism 4 comprises a transverse motor 401 arranged on the lifting slide block 303, a transverse ball screw 402 connected with the transverse motor 401, a transverse slide block 403 screwed with the transverse ball screw 402, and a transverse guide rail 404 matched with the transverse slide block 403. The transverse motor drives the transverse ball screw to rotate, so that the transverse sliding block transversely moves and is guided by two transverse guide rails to realize position adjustment, the gear fixing mechanism 6 comprises a motor 601, a rotary disc 602 connected with the output end of the motor 601, a fixing rod 603 arranged on the rotary disc 602 and a nut 604 screwed with the fixing rod 603, a gear 7 is fixed on the rotary disc 602 through a rotating nut 604, the gear hobbing mechanism 5 comprises a first motor 501, a positioning column 502 connected with the output end of the first motor 501, a hobbing cutter 503 arranged on the positioning column 502, a lifting cavity 504 arranged in the positioning column 502, a longitudinal propelling part 505 arranged in the lifting cavity 504, a plurality of telescopic channels 506 penetrating through the positioning column 502 and communicated with the lifting cavity 504, a transverse propelling part 507 arranged in the telescopic channels 506, corresponding to the telescopic channels 506 and arranged in

mounting grooves

508, 508 and a transverse guide rail on the inner wall of the hobbing cutter 503, Establish auxiliary vibration portion 509 in mounting groove 508, the utility model discloses a vertical propulsion portion 505 promotes horizontal propulsion portion 507 and removes in flexible passageway 506, and then promotes auxiliary vibration portion 509 and vibrate in mounting groove 508 to shake off the piece on the hobbing cutter 503, improve the hobbing cutter precision.

Further, the longitudinal pushing part 505 comprises a telescopic cylinder 50501 arranged at the top of the inner wall of the lifting cavity 504, a connecting block 50502 connected with the telescopic cylinder 50501, a first arc-shaped protrusion 50503 arranged on the connecting block 50502 at intervals, a guide groove 50504 arranged at the bottom of the connecting block 50502, and a guide column 50505 arranged at the bottom of the inner wall of the lifting cavity 504 and slidably connected with the guide groove 50504.

Further, the transverse propelling part 507 includes a ring groove 50701 communicated with the telescopic channel 506, a force-bearing column 50702 arranged in the telescopic channel 506, a spring 50703 sleeved on the force-bearing column 50702 and respectively connected with the force-bearing column 50702 and the ring groove 50701, and a limit plate 50704 arranged along the force-bearing column 50702 for limiting the force-bearing column 50702, preferably, the diameter of the ring groove 50701 in the embodiment is larger than that of the telescopic channel 506, the limit plate 50704 is slidably connected with the ring groove 50701, after the first arc-shaped protrusion 50503 contacts the force-bearing column 50702, the force-bearing column 702 is pushed to move towards the direction of the auxiliary vibration part 509, at the moment, the spring 50703 is stretched, and after the first arc-shaped protrusion 50503 is separated from the force-bearing column 50702, the force-bearing column 50702 is reset under the action of the spring.

Further, one end of the force bearing column 50702, which is located in the lifting cavity 504, is provided with a second arc-shaped protrusion 50705, the second arc-shaped protrusion 50705 is slidably connected with the first arc-shaped protrusion 50503, and the first arc-shaped protrusion 50503 slides relative to the second arc-shaped protrusion 50705 in the process of moving up and down, so that the second arc-shaped protrusion 50705 is pushed to move towards the auxiliary vibrating part 509.

Further, the auxiliary vibration part 509 includes a moving plate 50901 symmetrically disposed at the bottom of the mounting groove 508, a swinging plate 50902 disposed between the moving plate 50901 and the inner wall of the mounting groove 508, striking balls 50903 disposed at the ends of the swinging plate 50902, a guide 50904 disposed at the bottom of the mounting groove 508 and disposed between the moving plate 50901, slide bars 50905 slidably coupled to the guide 50904, first inclined blocks 50906 disposed at the middle of the slide bars 50905, second inclined blocks 50907 slidably coupled to the first inclined blocks 50906 and symmetrically disposed on the moving plate 50901, and pressure plates 50908 disposed at the ends of the slide bars 50905 remote from the guide 50904, wherein when the force receiving column 50702 strikes the pressure plates 50908, the slide bars 50905 move toward the guide 5050906 and drive the first inclined blocks 50906 to slide relative to each other, thereby pushing the swinging plate 50906 to incline toward the inner wall of the mounting groove 508 and further causing the balls 50904 to strike the inner wall of the mounting groove 508, the roller cutters 503 are subjected to longitudinal vibrations.

Further, a lateral section 50909 is disposed in the middle of the moving plate 50901, the lateral section 50909 is arcuately recessed in the direction of the corresponding swinging plate 50902, and the second inclined block 50907 is disposed on the lateral section 50909.

Furthermore, two sides of the first inclined block 50906 are provided with first inclined surfaces 50910, the second inclined block 50907 is provided with second inclined surfaces 50911 slidably connected with the first inclined surfaces 50910, the sliding bar 50905 moves towards the direction close to the guide seat 50904 and drives the first inclined block 50906 to move, so that the first inclined surfaces 50910 and the second inclined surfaces 50911 slide relatively, at the moment, the two poking plates 50901 incline towards opposite directions, and under the elastic action of the poking plates 50901, the second inclined block 50907 pushes the first inclined block 50906 to move the sliding bar 50905 away from the guide seat 50904, so that the sliding bar 50905 resets.

Furthermore, a movable cavity 50912 and a through hole 50913 communicated with the movable cavity 50912 are arranged in the guide seat 50904, the sliding rod 50905 enters the movable cavity 50912 through the through hole 50913, a limit block 50914 is arranged at one end of the movable cavity 50912, preferably, the limit block 50914 is in sliding connection with the inner wall of the movable cavity 50912, the sliding rod 50905 is in sliding connection with the through hole 50913, and the sliding rod 50905 moves in the movable cavity 50912 and impacts the bottom of the movable cavity 50912, so that the hob 503 is subjected to transverse vibration.

Further, in order to ensure the stability of the sliding rod 50905 during moving, so that the first inclined surface 50910 and the second inclined surface 50911 slide relatively, the cross section of the sliding rod 50905 is rectangular.

Claims

1. The utility model provides a high accuracy gear hobbing machine convenient to tooth, includes platform (1), establishes installing support (2) on platform (1), establish elevating system (3) on installing support (2), and push-and-pull institution (4) that elevating system (3) are connected, establish gear hobbing mechanism (5) on push-and-pull institution (4), establish gear fixing mechanism (6) of gear hobbing mechanism (5) one side, its characterized in that: hobbing mechanism (5) include first motor (501) and reference column (502) that first motor (501) output is connected, establish hobbing cutter (503) on reference column (502), establish lift chamber (504) in reference column (502), establish vertical propulsion portion (505), a plurality of running through in lift chamber (504) reference column (502) and with flexible passageway (506), the establishment of lift chamber (504) intercommunication horizontal propulsion portion (507), the correspondence in flexible passageway (506) are established mounting groove (508) of hobbing cutter (503) inner wall, are established supplementary vibration portion (509) in mounting groove (508).

2. A high precision gear hobbing machine facilitating tooth alignment as claimed in claim 1, characterized in that: the longitudinal pushing part (505) comprises a telescopic cylinder (50501) arranged at the top of the inner wall of the lifting cavity (504), a connecting block (50502) connected with the telescopic cylinder (50501), first arc-shaped protrusions (50503) arranged on the connecting block (50502) at intervals, a guide groove (50504) formed at the bottom of the connecting block (50502), and a guide column (50505) arranged at the bottom of the inner wall of the lifting cavity (504) and connected with the guide groove (50504) in a sliding mode.

3. A high precision gear hobbing machine facilitating tooth alignment as claimed in claim 2, characterized in that: horizontal propulsion portion (507) include with annular groove (50701) of flexible passageway (506) intercommunication, establish stress post (50702) in flexible passageway (506), cover establish stress post (50702) go up and respectively with stress post (50702) and spring (50703) that annular groove (50701) are connected, follow stress post (50702) set up be used for the spacing limiting plate (50704) of stress post (50702).

4. A high precision gear hobbing machine facilitating tooth alignment as claimed in claim 3, characterized in that: the stress column (50702) is positioned in the lifting cavity (504), one end of the stress column is provided with a second arc-shaped bulge (50705), and the second arc-shaped bulge (50705) is in sliding connection with the first arc-shaped bulge (50503).

5. A high precision hobbing machine for facilitating tooth alignment as claimed in claim 1, characterized in that: the auxiliary vibration part (509) comprises a poking plate (50901) symmetrically arranged at the bottom of the mounting groove (508), a swinging plate (50902) arranged between the poking plate (50901) and the inner wall of the mounting groove (508), a striking ball (50903) arranged at the end part of the swinging plate (50902), a guide seat (50904) arranged at the bottom of the mounting groove (508) and positioned between the poking plates (50901), a sliding rod (50905) in sliding connection with the guide seat (50904), a first inclined block (50906) arranged at the middle part of the sliding rod (50905), a second inclined block (50907) symmetrically arranged on the poking plate (50901) and in sliding connection with the first inclined block (50906), and a pressing plate (50908) arranged at one end, far away from the guide seat (50904), of the sliding rod (50905).

6. A high precision hobbing machine facilitating tooth alignment as claimed in claim 5, characterized in that: the middle part of the poking plate (50901) is provided with a lateral section (50909), the lateral section (50909) is arc-shaped and concave towards the direction of the corresponding swinging plate (50902), and the second inclined block (50907) is arranged on the lateral section (50909).

7. A high precision hobbing machine facilitating tooth alignment as claimed in claim 5, characterized in that: first inclined planes (50910) are arranged on two sides of the first inclined block (50906), and second inclined planes (50911) which are connected with the first inclined planes (50910) in a sliding mode are arranged on the second inclined block (50907).

8. A high precision hobbing machine facilitating tooth alignment as claimed in claim 5, characterized in that: be equipped with activity chamber (50912) in guide holder (50904) and with through-hole (50913) of activity chamber (50912) intercommunication, slide bar (50905) passes through-hole (50913) gets into in the activity chamber (50912), slide bar (50905) gets into activity chamber (50912) one end is equipped with stopper (50914).

9. A high precision hobbing machine facilitating tooth alignment as claimed in claim 5, characterized in that: the cross section of the sliding rod (50905) is rectangular.