CN212858067U

CN212858067U - Small-module gear hobbing device

Info

Publication number: CN212858067U
Application number: CN202021591780.9U
Authority: CN
Inventors: 刘家慎
Original assignee: Tianjin Xinlida Gearing Manufacture Co ltd
Current assignee: Tianjin Xinlida Gearing Manufacture Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-02
Anticipated expiration: 2030-08-04

Abstract

The utility model belongs to the technical field of the gear hobbing technique and specifically relates to a little module gear hobbing device, which comprises a housin, the opening has been seted up to the casing bottom, fixedly connected with support on the top surface in the casing, be fixed with the motor on the support, the first gear of the terminal fixedly connected with of output shaft of motor, the inside dwang that is connected with that rotates of casing, dwang outside cover is established and is fixed with fourth gear and fifth gear, first gear passes through speed governing mechanism drive fourth gear or fifth gear, the casing is inside to be connected with the cylinder through coupling mechanism rotation, the cylinder external fixation has the hobbing, the outside cover of cylinder is established and is fixed with the sixth gear, sixth gear and fourth gear mesh mutually, the casing bottom is equipped with supporting mechanism, the device passes through adjustment mechanism and adjusts cylinder roll speed, be convenient for process the gear.

Description

Small-module gear hobbing device

Technical Field

The utility model relates to a gear hobbing field especially relates to a small module gear hobbing device.

Background

The hobbing machine is the most widely used machine tool in gear processing machine tools, and can machine straight teeth, helical gears, worm gears, chain wheels and the like on the hobbing machine, and the hobbing cutter is used for processing the straight teeth, helical teeth, herringbone gears and worm gears according to a generating method.

In the prior art, the hobbing speed of a special hobbing machine for processing a transmission gear cannot be adjusted in the process of using a hobbing cutter of the hobbing machine, so that a small-module gear hobbing device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a small module gear hobbing device.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a little modulus gear hobbing device, includes the casing, the opening has been seted up to the casing bottom, fixedly connected with support on the top surface in the casing, be fixed with the motor on the support, the terminal first gear of fixedly connected with of output shaft of motor, the inside dwang that is connected with that rotates of casing, dwang outside cover is established and is fixed with fourth gear and fifth gear, first gear passes through speed governing mechanism drive fourth gear or fifth gear, the casing is inside to rotate through coupling mechanism and is connected with the cylinder, the cylinder external fixation has the hobbing, the outside cover of cylinder is established and is fixed with the sixth gear, sixth gear and fourth gear mesh mutually, the casing bottom is equipped with supporting mechanism.

Preferably, the speed adjusting mechanism includes the screw rod through threaded connection in the casing inside, the screw rod both ends run through the casing and extend away, the screw rod outside is connected with second gear and third gear through the bearing rotation, the diameter of second gear is greater than the diameter of third gear, when the cylinder rotates with higher speed, first gear and second gear mesh mutually, second gear and fourth gear mesh mutually, when the cylinder rotates with lower speed, first gear and second gear mesh mutually, third gear and fifth gear mesh mutually.

Preferably, the connecting mechanism comprises rotating shafts fixed at two ends of the roller, the bottom surface of the shell is fixed with protrusions, and the rotating shafts are respectively and rotatably connected to the corresponding protrusions.

Preferably, the supporting mechanism comprises a supporting seat fixed at the bottom of the shell, the supporting seat is L-shaped, and a telescopic mechanism is fixed on the supporting seat.

Preferably, the telescopic mechanism comprises an electric push rod fixed at the top of the support seat, and a movable plate is fixed at the top of a movable plug rod of the electric push rod.

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

1. the device is when using, when the cylinder rotation with higher speed needs, through rotating the screw rod, make second gear and fourth gear mesh mutually, drive fourth gear through the second gear and rotate, drive sixth gear through the fourth gear and rotate, thereby make the cylinder along with sixth gear revolve, process the gear, when the cylinder rotation with lower speed needs, through rotating the screw rod, make second gear and fourth gear break away from, make third gear and fifth gear mesh mutually, drive fifth gear revolve through the third gear, thereby drive the dwang through the fifth gear and rotate, thereby make the fourth gear rotate along with the dwang, drive the cylinder and rotate, thereby realize the speed governing function.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an overall sectional view of the present invention;

fig. 3 is a schematic structural diagram of a position a of the present invention.

In the figure: the device comprises a shell 1, a support base 2, a support 3, a motor 4, a first gear 5, a second gear 6, a third gear 7, a rotating rod 8, a screw rod 9, a fifth gear 11, a fourth gear 10, a fifth gear 11, a sixth gear 12, a roller 13, a hobbing gear 14, a rotating shaft 15, a protrusion 16, an opening 17, an electric push rod 18 and a movable plate 19.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-3, a small module gear hobbing device comprises a housing 1, an opening 17 is formed at the bottom of the housing 1, a support 3 is fixedly connected to the inner top surface of the housing 1, a motor 4 is fixed to the support 3, a first gear 5 is fixedly connected to the tail end of an output shaft of the motor 4, a rotating rod 8 is rotatably connected to the interior of the housing 1, a fourth gear 10 and a fifth gear 11 are fixedly sleeved on the outer side of the rotating rod 8, the first gear 5 drives the fourth gear 10 or the fifth gear 11 through a speed regulating mechanism, the speed regulating mechanism comprises a screw rod 9 connected to the interior of the housing 1 through threads, two ends of the screw rod 9 penetrate through the housing 1 and extend out, a second gear 6 and a third gear 7 are rotatably connected to the outer side of the screw rod 9 through bearings, the diameter of the second gear 6 is larger than that of the third gear 7, when a roller 13 rotates with an acceleration, the first gear 5, the second gear 6 is meshed with the fourth gear 10, when the roller 13 rotates in a deceleration way, the first gear 5 is meshed with the second gear 6, and the third gear 7 is meshed with the fifth gear 11;

the inside of the shell 1 is rotatably connected with a roller 13 through a connecting mechanism, the connecting mechanism comprises rotating shafts 15 fixed at two ends of the roller 13, bulges 16 are fixed on the bottom surface of the shell 1, and the rotating shafts 15 are respectively and rotatably connected to the corresponding bulges 16;

the roller 13 is externally fixed with a gear hobbing 14, the roller 13 is externally sleeved and fixed with a sixth gear 12, and the sixth gear 12 is meshed with the fourth gear 10.

The implementation mode is specifically as follows: when the device is used, the power supply of the motor 4 is switched on, the motor 4 drives the first gear 5 to rotate, the first gear 5 drives the second gear 6 to rotate, when the drum 13 is required to rotate at an accelerated speed, the second gear 6 is meshed with the fourth gear 10 by rotating the screw 9, the fourth gear 10 is driven to rotate by the second gear 6, the sixth gear 12 is driven to rotate by the fourth gear 10, so that the roller 13 rotates along with the sixth gear 12, when the roller 13 needs to rotate in a speed reduction way, the screw 9 is rotated to separate the second gear 6 from the fourth gear 10, the third gear 7 is meshed with the fifth gear 11, the third gear 7 drives the fifth gear 11 to rotate, thereby driving the rotating rod 8 to rotate through the fifth gear 11, so that the fourth gear 10 rotates along with the rotating rod 8, and the roller 12 is driven to rotate.

As shown in fig. 1-2, a supporting mechanism is disposed at the bottom of the casing 1, the supporting mechanism includes a supporting seat 2 fixed at the bottom of the casing 1, the supporting seat 2 is L-shaped, a telescopic mechanism is fixed on the supporting seat 2, the telescopic mechanism includes an electric push rod 18 fixed at the top of the supporting seat 2, and a movable plate 19 is fixed at the top of a movable plug rod of the electric push rod 18.

The implementation mode is specifically as follows: when the device is used, the gear is fixed on the top of the movable plate, and the power supply of the electric push rod 18 is connected, so that the piston rod of the electric push rod 18 pushes the movable plate 19 to move upwards, and the gear is close to the hobbing 14, and the gear is convenient to process.

The utility model discloses the theory of operation:

referring to the attached drawings 1-3, when the device is used, the power of the motor 4 is switched on, the motor 4 drives the first gear 5 to rotate, the first gear 5 drives the second gear 6 to rotate, when the roller 13 needs to rotate in an accelerating way, the screw 9 is rotated to enable the second gear 6 to be meshed with the fourth gear 10, the second gear 6 drives the fourth gear 10 to rotate, the fourth gear 10 drives the sixth gear 12 to rotate, so that the roller 13 rotates along with the sixth gear 12, the gears are processed, when the roller 13 needs to rotate in a decelerating way, the screw 9 is rotated to enable the second gear 6 to be separated from the fourth gear 10, the third gear 7 is meshed with the fifth gear 11, the third gear 7 drives the fifth gear 11 to rotate, so that the fifth gear 11 drives the rotating rod 8 to rotate, so that the fourth gear 10 rotates along with the rotating rod 8, the roller 12 is driven to rotate, the gear is fixed on the top of the movable plate, and the power of the electric push rod 18 is switched on, so that the piston rod of the electric push rod 18 pushes the movable plate 19 to move upwards, and the gear is close to the hobbing 14, thereby facilitating the processing of the gear.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A small module gear hobbing device, includes casing (1), its characterized in that: an opening (17) is arranged at the bottom of the shell (1), a support (3) is fixedly connected on the inner top surface of the shell (1), a motor (4) is fixed on the support (3), the tail end of an output shaft of the motor (4) is fixedly connected with a first gear (5), a rotating rod (8) is rotatably connected in the shell (1), a fourth gear (10) and a fifth gear (11) are fixedly sleeved on the outer side of the rotating rod (8), the first gear (5) drives a fourth gear (10) or a fifth gear (11) through a speed regulating mechanism, the interior of the shell (1) is rotationally connected with a roller (13) through a connecting mechanism, the outer part of the roller (13) is fixed with a hobbing (14), the outer part of the roller (13) is sleeved and fixed with a sixth gear (12), the sixth gear (12) is meshed with the fourth gear (10), and a supporting mechanism is arranged at the bottom of the shell (1).

2. A small module gear hobbing apparatus according to claim 1, characterised in that: speed adjusting mechanism includes through threaded connection in casing (1) inside screw rod (9), screw rod (9) both ends run through casing (1) and extend away, screw rod (9) outside is connected with second gear (6) and third gear (7) through the bearing rotation, the diameter of second gear (6) is greater than the diameter of third gear (7), when cylinder (13) acceleration rate rotate, first gear (5) and second gear (6) mesh mutually, second gear (6) and fourth gear (10) mesh mutually, when cylinder (13) deceleration rotation, first gear (5) and second gear (6) mesh mutually, third gear (7) and fifth gear (11) mesh mutually.

3. A small module gear hobbing apparatus according to claim 1, characterised in that: the connecting mechanism comprises rotating shafts (15) fixed at two ends of the roller (13), protrusions (16) are fixed on the bottom surface of the shell (1), and the rotating shafts (15) are respectively connected to the corresponding protrusions (16) in a rotating mode.

4. A small module gear hobbing apparatus according to claim 1, characterised in that: the supporting mechanism comprises a supporting seat (2) fixed at the bottom of the shell (1), the supporting seat (2) is L-shaped, and a telescopic mechanism is fixed on the supporting seat (2).

5. A small module gear hobbing apparatus according to claim 4, characterised in that: the telescopic mechanism comprises an electric push rod (18) fixed at the top of the supporting seat, and a movable plate (19) is fixed at the top of a movable plug rod of the electric push rod (18).