CN216923107U

CN216923107U - Bidirectional buffer gear

Info

Publication number: CN216923107U
Application number: CN202123402798.7U
Authority: CN
Inventors: 蔡文洪; 罗银春
Original assignee: Jiangsu Wen Hung Printing Machinery Co ltd
Current assignee: Jiangsu Wen Hung Printing Machinery Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-08
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a bidirectional buffer gear which comprises a mandrel, a buffer disc, a pressure spring, a guide spring ring and a buffer gear, wherein a bearing and a hole elastic retainer ring are arranged in the buffer gear, the buffer disc is fixed at one end of the mandrel through a fastening screw, one end of the mandrel is arranged in a bearing inner hole in the buffer gear, the guide spring ring is arranged between the buffer disc and the buffer gear, and the guide spring ring is sleeved in a plurality of pressure springs through seams. The bidirectional buffer gear can ensure that the gear has certain rotation buffer effect in both forward rotation and reverse rotation directions, and greatly reduces the rigid impact when the gear transmission system is started and stopped and the load is changed.

Description

Bidirectional buffer gear

Technical Field

The utility model relates to a buffer gear, in particular to a bidirectional buffer gear.

Background

The gear transmission is a common transmission mode in machine equipment, and can transmit large torque. The gear transmission generally mainly comprises a driving gear and a driven gear, in a general gear transmission system, the driving gear is arranged on an output shaft of a motor, the driven gear is arranged on a load shaft, the driving gear and the driven gear are meshed through teeth, and when the motor rotates, the rotary motion of the motor can be transmitted to the load shaft, so that power transmission is realized.

General gear drive can be regarded as rigid transmission system, starts and stops not have the buffering in the twinkling of an eye, and the impact force is great, and power transmission is gentle inadequately, not only causes teeth of a cogwheel fatigue damage easily, also can make other parts damage in whole transmission system, and machine equipment work is steady inadequately, and the noise is great.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bidirectional buffer gear. The gear transmission is converted into a flexible transmission.

The utility model provides the following technical scheme:

a bidirectional buffer gear comprises a mandrel, a buffer disc, a pressure spring, a guide spring ring and a buffer gear, wherein a bearing and a hole elastic retainer ring are arranged in the buffer gear, the buffer disc is fixed at one end of the mandrel through a fastening screw, one end of the mandrel is arranged in a bearing inner hole in the buffer gear, the guide spring ring is arranged between the buffer disc and the buffer gear, and the guide spring ring is sleeved in the pressure springs through seams.

Furthermore, U-shaped check blocks are arranged on the buffer disc and the buffer gear, the guide spring rings are embedded in the U-shaped check blocks on the buffer disc and the buffer gear, one end of each pressure spring is abutted to the U-shaped check block on the buffer disc, and the other end of each pressure spring is abutted to the U-shaped check block on the buffer gear.

Furthermore, the bearing end of the mandrel is provided with a groove, and an elastic check ring for mounting the shaft is arranged in the groove.

Compared with the prior art, the utility model has the beneficial effects that: the bidirectional buffer gear provided by the utility model has the advantages that the bidirectional buffer gear is provided with the mandrel, the buffer disc, the pressure spring, the guide spring ring and the buffer gear, the gear can have a certain rotation buffer effect in both forward rotation and reverse rotation directions, and the rigid impact of the gear transmission system during starting and stopping and variable load is greatly reduced.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a schematic structural diagram of the present invention.

In the figure: 1. the device comprises a fastening screw, a mandrel, a buffer disc, a pressure spring, a guide spring ring, a buffer gear, a bearing, a hole elastic retainer ring, a shaft elastic retainer ring, a U-shaped stop dog and a spring, wherein the fastening screw 2 is connected with the mandrel 3; 11. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the bidirectional buffer gear of the present invention includes a mandrel 2, a buffer disk 3, a pressure spring 4, a spring guide ring 5 and a buffer gear 6.

A bearing 7 and a hole elastic retainer ring 8 are arranged in the buffer gear 6, the buffer disc 3 is fixed at one end of the mandrel 2 through a fastening screw 1, one end of the mandrel 2 is arranged in a bearing 7 inner hole in the buffer gear 6, a guide spring ring 5 is arranged between the buffer disc 3 and the buffer gear 6, and the guide spring ring 5 is sleeved in the pressure springs 4 through seams.

U-shaped stoppers 10 are arranged on the buffer disc 3 and the buffer gear 6, the guide spring rings 5 are embedded in the U-shaped stoppers on the buffer disc 3 and the buffer gear 6, one end of each pressure spring 4 is supported on the U-shaped stopper of the buffer disc 3, and the other end of each pressure spring is supported on the U-shaped stopper of the buffer gear 6.

The bearing end of the mandrel 2 is provided with a groove 11, and the groove 11 is used for installing the elastic retainer ring 9 for the shaft.

The bidirectional buffer gear can be divided into three parts, wherein the first part is as follows: a bearing 7 and a hole elastic retainer ring 8 are arranged in the buffer gear 6, and the hole elastic retainer ring 8 can limit the bearing 7 to axially move relative to the buffer gear 6; the second part is as follows: the buffer disc 3 is fixed at one end of the mandrel 2 through a fastening screw 1, so that the mandrel 2 and the buffer disc 3 are integrated; the third part is that: the spring guide ring 5 is made of a circular wear-resistant steel wire and is provided with a seam, and a plurality of pressure springs 4 are sleeved in the seam; one end of the mandrel 2 is arranged in an inner hole of a bearing 7 inside the buffer gear 6, so that the guide spring ring 5 is pressed between the buffer disc 3 and the buffer gear 6, and the guide spring ring 5 is embedded in a U-shaped stop block 10 on the buffer disc 3 and the buffer gear 6, one end of each pressure spring 4 abuts against the U-shaped stop block on the buffer disc 3, and the other end abuts against the U-shaped stop block on the buffer gear 6.

The bearing end of the mandrel 2 is provided with a groove 11, and the elastic retainer ring 9 for the shaft is arranged in the groove, so that the buffer disc 3 arranged on the mandrel 2 and the buffer gear 6 can only rotate relatively and can not be separated axially.

There is the mounting hole 2 centers of dabber, through this hole, whole buffer gear 6 mountable is on outside power input shaft, for example on the motor output shaft, start in the twinkling of an eye when the motor, the output shaft begins to rotate, torsion transmits buffer disc 3 for through dabber 2, make buffer disc 3 rotatory, because the resistance of load, U-shaped dog 10 of buffer disc 3 can compress pressure spring 4, transmit pressure to buffer gear 6 on U-shaped dog 10, compress to certain extent when pressure spring 4, buffer gear 6 overcomes load resistance, follow the rotation, transmission power.

The technical scheme is not limited to the technical scheme shown in the technical scheme, and the technical scheme also comprises the matching of the same structure but different structure numbers, and gears with different tooth shapes.

Because the torsion is transmitted completely through the pressure of the pressure spring 4, the pressure spring 4 can be compressed firstly no matter whether the gear rotates forwards or backwards, so that the impact force is greatly reduced when a transmission system starts or stops or the load resistance changes, the power transmission is more stable and smooth, a cover ring can be additionally arranged on the outer side of the U-shaped stop block 10, lubricating grease is stored in the position of the pressure spring, and the reliability and the service life are further improved.

The utility model has the advantages of easy processing, simple structure and convenient large-scale popularization, and can more accurately match various different equipment working conditions by changing the number of the U-shaped stop blocks and the length of the pressure spring, thereby having wider practical value and economic value.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bidirectional buffer gear is characterized in that: the buffer gear comprises a mandrel (2), a buffer disc (3), a pressure spring (4), a spring guide ring (5) and a buffer gear (6), wherein a bearing (7) and a hole elastic retainer ring (8) are arranged in the buffer gear (6), the buffer disc (3) is fixed at one end of the mandrel (2) through a fastening screw (1), one end of the mandrel (2) is arranged in a bearing (7) inner hole in the buffer gear (6), the spring guide ring (5) is arranged between the buffer disc (3) and the buffer gear (6), and the spring guide ring (5) is sleeved into the pressure springs (4) through a seam.

2. A bidirectional buffer gear as set forth in claim 1, wherein: u-shaped check blocks (10) are arranged on the buffer disc (3) and the buffer gear (6), the guide spring rings (5) are embedded in the U-shaped check blocks on the buffer disc (3) and the buffer gear (6), one end of each pressure spring (4) is supported on the U-shaped check block of the buffer disc (3), and the other end of each pressure spring is supported on the U-shaped check block of the buffer gear (6).

3. A bidirectional buffer gear as set forth in claim 1, wherein: the bearing end of the mandrel (2) is provided with a groove (11), and an elastic retainer ring (9) for mounting the shaft is arranged in the groove (11).