CN206636998U - A kind of gear reduction unit for exporting oscillating motion - Google Patents

Abstract

The utility model discloses a kind of gear reduction unit for exporting oscillating motion,Including power input gear mechanism,Power transmits gear mechanism,Power output gear mechanism,Short eccentric shaft,Long eccentric shaft and swing contiguous block,It is connected between the power input gear mechanism and power transmission gear mechanism,The power transmission gear mechanism is connected with the power output gear mechanism driving,The short eccentric shaft is arranged in the power output gear mechanism and is connected with the power output gear mechanism driving,The length,Short eccentric shaft, which rotates, to be located in the swing contiguous block,The swing contiguous block can be relative to the length,The axial line of short eccentric shaft makees oscillating motion,The gear reduction unit of the output oscillating motion can pass through some gears and length,The effect of short eccentric shaft enables swing contiguous block relatively long,The axial line of short eccentric shaft makees oscillating motion,So as to realize the function of output oscillating motion.

Description

A gear reducer for output swing motion

technical field

The utility model relates to the field of reducers, in particular to a gear reducer for outputting swing motion.

Background technique

There are many types of existing reducers, and they are widely used, but usually only have the function of reducing speed, and cannot output other motion modes, which cannot meet the diverse needs. Especially when swinging motion is required, the existing reducer cannot realize it.

In view of the above-mentioned defects, the designer actively researches and innovates, in order to create a gear reducer that outputs swing motion, so that it has more industrial utilization value.

Utility model content

In order to solve the above technical problems, the purpose of this utility model is to provide a gear reducer with simple structure and capable of outputting swinging motion.

The utility model proposes a gear reducer for output swinging motion, comprising a power input gear mechanism, a power transmission gear mechanism, a power output gear mechanism, a short eccentric shaft, a long eccentric shaft and a swing connection block, the power input gear mechanism and The power transmission gear mechanism is in transmission connection, the power transmission gear mechanism is in transmission connection with the power output gear mechanism, and the short eccentric shaft is installed on the power output gear mechanism and drives with the power output gear mechanism connection, the long and short eccentric shafts are both rotatably installed in the swing connecting block, and the swing connecting block can swing relative to the axes of the long and short eccentric shafts.

As a further improvement of the utility model, the power input gear mechanism includes a rotating shaft connected to the motor, a driving gear and first and second rolling bearings, the driving gear is fixedly sleeved on the rotating shaft, and the first and second rolling bearings Both are fixedly installed in the cover body of the reducer, the rotating shaft is rotatably installed in the first and second rolling bearings, and the driving gear is located between the first and second rolling bearings.

As a further improvement of the utility model, the power output gear mechanism includes the first and second driven gears and the third and fourth rolling bearings, and the first and second driven gears are both rotatably sleeved on the long eccentric shaft, The first driven gear meshes with the driving gear, the second driven gear is fixed on the side of the first driven gear, the first and second gears rotate around the same axis, and the The third and fourth rolling bearings are fixedly installed in the cover of the reducer, the long eccentric shaft rotates through the third and fourth rolling bearings, the first and second driven gears are located in the third and fourth between rolling bearings.

As a further improvement of the present utility model, the power output gear mechanism includes a third driven gear and fifth and sixth rolling bearings, the third driven gear is fixedly sleeved on the short eccentric shaft, and the third driven gear The driven gear meshes with the second driven gear, the fifth and sixth rolling bearings are fixedly installed in the cover of the reducer, and the short eccentric shaft rotates through the fifth and sixth rolling bearings.

As a further improvement of the present utility model, the first and second circular through holes are symmetrically provided on the swing connection block, and two positioning holes for the installation of the swing shaft are arranged side by side in the middle of the swing connection block. The hole is located between the first and second circular through holes, the seventh and eighth rolling bearings are respectively fixed in the first and second circular through holes, and the long and short eccentric shafts are respectively rotated and installed on the first and second circular through holes. In the seven and eight rolling bearings, the axis line of the long eccentric shaft and the axis line of the seventh rolling bearing are arranged eccentrically, and the axis line of the short eccentric shaft and the axis line of the eighth rolling bearing The swing connecting rod is arranged eccentrically, and the swing connecting rod is located between the fifth rolling bearing and the third driven gear.

As a further improvement of the present utility model, the diameter of the third driven gear is greater than the diameter of the first driven gear, the diameter of the first driven gear is greater than the diameter of the second driven gear, and the diameter of the first driven gear is greater than that of the second driven gear. The diameter of the second driven gear is larger than that of the driving gear.

As a further improvement of the utility model, the fixed sleeve on the long eccentric shaft is provided with a protective sleeve.

By virtue of the above scheme, the utility model has at least the following advantages: the gear reducer that outputs the swing motion can make the swing connecting block swing relative to the axes of the long and short eccentric shafts through the action of several gears and the long and short eccentric shafts Movement, so as to realize the function of output swing motion.

The above description is only an overview of the technical solution of the utility model. In order to understand the technical means of the utility model more clearly and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with accompanying drawings. Rear.

Description of drawings

Fig. 1 is a structural assembly diagram of a gear reducer outputting swing motion of the utility model;

Fig. 2 is an exploded view of the structure of a gear reducer outputting swing motion of the utility model;

Fig. 3 is a transmission schematic diagram of a gear reducer outputting swing motion of the utility model;

Fig. 4 is all diagrams of the structure in which the long and short eccentric shafts are installed in the swing connection block in the utility model;

Fig. 5 is the structural representation of the swing connection block in the utility model;

Fig. 6 is a schematic structural view of the long eccentric shaft in the utility model;

Fig. 7 is a schematic diagram of the structure of the short eccentric shaft of the present invention.

detailed description

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

Embodiment: a gear reducer for output swing motion, including a power input gear mechanism 100, a power transmission gear mechanism 200, a power output gear mechanism 300, a short eccentric shaft 14, a long eccentric shaft 6 and a swing connecting block 8, the power The input gear mechanism is in transmission connection with the power transmission gear mechanism, the power transmission gear mechanism is in transmission connection with the power output gear mechanism, and the short eccentric shaft is installed on the power output gear mechanism and connected with the power output gear mechanism. The output gear mechanism is connected by transmission, and the long and short eccentric shafts are both rotatably installed in the swing connecting block, and the swing connecting block can swing relative to the axis lines of the long and short eccentric shafts.

The power input gear mechanism includes a rotating shaft 1 connected to the motor, a driving gear 2 and first and second rolling bearings 3, 4, the driving gear is fixedly sleeved on the rotating shaft, and the first and second rolling bearings are fixedly installed In the cover body of the reducer, the rotating shaft is rotatably installed in the first and second rolling bearings, and the driving gear is located between the first and second rolling bearings.

The power output gear mechanism includes the first and second driven gears 12, 13 and the third and fourth rolling bearings 5, 11, and the first and second driven gears are all rotated and sleeved on the long eccentric shaft. The first driven gear meshes with the driving gear, the second driven gear is fixed on the side of the first driven gear, the first and second gears rotate around the same axis, and the third driven gear rotates around the same axis. The four rolling bearings are all fixedly installed in the cover of the reducer, the long eccentric shaft is rotated and installed in the third and fourth rolling bearings, and the first and second driven gears are located between the third and fourth rolling bearings between.

The power output gear mechanism includes a third driven gear 9 and fifth and sixth rolling bearings 7, 10. The third driven gear is fixedly sleeved on the short eccentric shaft. The second driven gear meshes, the fifth and sixth rolling bearings are fixedly installed in the cover of the reducer, and the short eccentric shaft rotates through the fifth and sixth rolling bearings.

The first and second circular through holes 15, 16 are symmetrically provided on the swing connecting block, and two positioning holes 17 for installing the swing shaft are arranged side by side in the middle of the swing connecting block, and the positioning holes are located on the Between the first and second circular through holes, the seventh and eighth rolling bearings 18 and 19 are respectively fixed in the first and second circular through holes, and the long and short eccentric shafts respectively rotate through the seventh and eighth rolling bearings. In the eighth rolling bearing, the axis line of the long eccentric shaft and the axis line of the seventh rolling bearing are arranged eccentrically, and the axis line of the short eccentric shaft and the axis line of the eighth rolling bearing The center is eccentrically arranged, and the swing connecting rod is located between the fifth rolling bearing and the third driven gear.

The diameter of the third driven gear is larger than the diameter of the first driven gear, the diameter of the first driven gear is larger than the diameter of the second driven gear, and the diameter of the second driven gear is larger than The diameter of the drive gear.

The fixed sleeve on the long eccentric shaft is provided with a protective sleeve 20 .

The working mode of the gear reducer for output swing motion is: the power is input by the rotating shaft 1, the rotating shaft 1 drives the driving gear 2 to rotate, and the driving gear 2 meshes with the first driven gear 12, so that the driving gear 2 drives the first driven gear Gear 12 rotates, is fixed on the side of described first driven gear 12 by second driven gear 13, makes second driven gear 13 rotate together with first driven gear 12, first, second driven gear 12 , 13 are empty sleeves on the long eccentric shaft 6, so the first and second driven gears 12, 13 will not drive the long eccentric shaft 6 to rotate, and the second driven gear 13 meshes with the third driven gear 9, thereby The main second driven gear 13 drives the third driven gear 9 to rotate, and the third driven gear 9 is fixedly sleeved on the short eccentric shaft 14, so that the short eccentric shaft 14 rotates together with the third driven gear 9, through The rotation of the short eccentric shaft 14 makes the swing connecting block 8 movable and swings, and the swing of the swing connecting block 8 is assisted by the action of the long and short eccentric shafts, and the long eccentric shaft 6 is driven to rotate by the swing of the swing connecting block 8, and the swing angle can be determined by Adjust the eccentricity of the long and short eccentric shafts to change.

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model. It should be pointed out that for those of ordinary skill in the art, they can also do Several improvements and modifications are made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims (7)

1. A gear reducer for output oscillating motion, characterized in that: comprising a power input gear mechanism, a power transmission gear mechanism, a power output gear mechanism, a short eccentric shaft, a long eccentric shaft and a swing connection block, the power input gear mechanism The transmission connection between the power transmission gear mechanism, the power transmission gear mechanism and the power output gear mechanism transmission connection, the short eccentric shaft is installed on the power output gear mechanism and connected with the power output gear mechanism Transmission connection, the long and short eccentric shafts are both rotatably installed in the swing connecting block, and the swing connecting block can swing relative to the axis lines of the long and short eccentric shafts. 2. A gear reducer for output swing motion according to claim 1, characterized in that: the power input gear mechanism includes a rotating shaft connected to the motor, a driving gear, and first and second rolling bearings, and the driving gear is fixed Sleeved on the rotating shaft, the first and second rolling bearings are fixedly installed in the cover of the reducer, the rotating shaft rotates through the first and second rolling bearings, and the driving gear is located in the first Between one and two rolling bearings. 3. A gear reducer for output swing motion according to claim 2, characterized in that: said power output gear mechanism comprises first and second driven gears and third and fourth rolling bearings, said first and second The driven gears are all rotated and sleeved on the long eccentric shaft, the first driven gear meshes with the driving gear, and the second driven gear is fixed on the side of the first driven gear. The first and second gears rotate around the same axis, the third and fourth rolling bearings are fixedly installed in the cover of the reducer, and the long eccentric shaft rotates through the third and fourth rolling bearings. The first and second driven gears are located between the third and fourth rolling bearings. 4. A gear reducer for output swing motion according to claim 3, characterized in that: said power output gear mechanism comprises a third driven gear and fifth and sixth rolling bearings, said third driven gear is fixed Sleeved on the short eccentric shaft, the third driven gear meshes with the second driven gear, the fifth and sixth rolling bearings are fixedly installed in the cover of the reducer, and the short eccentric shaft The rotation is arranged in the fifth and sixth rolling bearings. 5. A gear reducer for output swing motion according to claim 4, characterized in that: first and second circular through holes are symmetrically arranged on the swing connection block, and the middle of the swing connection block is spaced side by side There are two positioning holes for the installation of the swing shaft, the positioning holes are located between the first and second circular through holes, the seventh and eighth rolling bearings are respectively fixed in the first and second circular through holes, The long and short eccentric shafts are respectively rotated and installed in the seventh and eighth rolling bearings, the axis of the long eccentric shaft and the axis of the seventh rolling bearing are arranged eccentrically, and the short eccentric The axis line of the shaft is eccentrically arranged with the axis line of the eighth rolling bearing, and the swing connecting rod is located between the fifth rolling bearing and the third driven gear. 6. A gear reducer for output swing motion according to claim 5, characterized in that: the diameter of the third driven gear is larger than the diameter of the first driven gear, and the first driven gear The diameter of the second driven gear is larger than the diameter of the second driven gear, and the diameter of the second driven gear is larger than the diameter of the driving gear. 7. A gear reducer for outputting swing motion according to claim 6, characterized in that: the fixed sleeve on the long eccentric shaft is provided with a protective sleeve.