CN211820618U

CN211820618U - Ball spline shaft

Info

Publication number: CN211820618U
Application number: CN202020351718.6U
Authority: CN
Inventors: 孙素志; 辛卫峰
Original assignee: Jining Yicheng Rolling Parts Co ltd
Current assignee: Jining Yicheng Rolling Parts Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-10-30
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a ball screw spline shaft, which belongs to the technical field of ball screws and comprises a hollow cylinder, wherein concave holes are respectively arranged on two sides of the outer wall surface of the hollow cylinder, the two sides of the outer wall surface of the hollow cylinder are respectively welded with an installation cylinder, and the inside of the installation cylinder is rotatably provided with a rotating cylinder through a bearing, the ball screw spline shaft of the utility model is characterized in that a first spline shaft and a second spline shaft are respectively inserted into the installation cylinder, so that a first transmission gear and a second transmission gear are meshed with a toothed block of the inner wall of the installation cylinder, and a first bevel gear, a second bevel gear and a spiral bevel gear are meshed with each other, when the ball screw is positively driven by a motor, the first spline shaft and the first transmission gear drive the first bevel gear to positively rotate, and the spiral bevel gear drives the second bevel gear, the second transmission gear and the second spline shaft to reversely rotate, thereby meeting the requirements of the existing automation equipment.

Description

Ball spline shaft

Technical Field

The utility model relates to a ball technical field, in particular to ball spline shaft.

Background

The ball screw is an ideal product for converting rotary motion into linear motion or converting linear motion into rotary motion; the ball screw consists of a screw rod, a nut and balls. Its function is to convert rotary motion into linear motion, which is a further extension and development of ball screws, the important meaning of this development is to change the bearing from rolling action to sliding action. Because of having a small frictional resistance, the ball screw is widely used in various industrial equipment and precision instruments;

the conventional apparatus has the following disadvantages:

at present, the transmission between the present ball spline shaft is the syntropy transmission, and both need the syntropy transmission in automatic lathe, need reverse drive's structure again, makes current structure like this can not satisfy the demand, and sets up one set again, not only increases the cost, but also can occupy certain space, and it is very inconvenient to use, so just so need such a ball spline shaft.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball spline shaft, transmission between the current ball spline shaft that provides in solving above-mentioned background art all is the syntropy transmission, and both need the syntropy transmission in automatic lathe, need reverse drive's structure again, make current structure can not satisfy the demand like this, and reset one set, not only increase cost, but also can occupy certain space, it is very inconvenient to use, so just need the problem of such a ball spline shaft.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ball spline shaft, includes hollow section of thick bamboo, the shrinkage pool has all been seted up to hollow section of thick bamboo's outer wall both sides, hollow section of thick bamboo 4's outer wall both sides all weld the inside of installation drum and rotate through the bearing and install a rotation section of thick bamboo, the equal fixed mounting of internal face of a rotation section of thick bamboo has a plurality of tooth piece, forms the tooth's socket between the tooth piece simultaneously, the inside of a rotation section of thick bamboo is equipped with first integral key shaft, second spline axle and first integral key shaft respectively, the epaxial equal fixed cover of second spline has first drive gear, second drive gear, and first drive gear, second drive gear mesh with the tooth's socket that the inside tooth piece of a rotation section of thick bamboo formed simultaneously respectively, the inside bottom face of hollow section of thick bamboo rotates through the bearing and installs spiral bevel gear and spiral bevel gear on equal mesh connection have first conical gear, second conical gear, the pivot of first conical gear, second, The rotating shaft of the second transmission gear is butted.

As a preferred technical scheme of the utility model, the first mounting hole of a plurality of has all been seted up to the outer wall both sides of hollow section of thick bamboo, and first mounting hole all is circular distribution about the center of hollow section of thick bamboo simultaneously.

As a preferred technical scheme of the utility model, the outer wall of hollow section of thick bamboo is equipped with the four corners department that opening and opening part were equipped with apron and has all seted up the second mounting hole, the opening four corners department of hollow section of thick bamboo all welds the four corners department that has installation ear and has all seted up the third mounting hole, and the third mounting hole is corresponding with the position of second mounting hole respectively simultaneously, the apron passes through bolt and installation ear fixed connection.

As an optimized technical solution of the present invention, the first mounting hole, the second mounting hole and the third mounting hole have the same aperture.

As a preferred technical scheme of the utility model, the external diameter of first conical gear, second conical gear all is less than first drive gear, second drive gear, first drive gear, second drive gear's external diameter is greater than the internal diameter of shrinkage pool.

As an optimized technical scheme of the utility model, the first mounting hole quantity of hollow section of thick bamboo outer wall face both sides is the same.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model relates to a ball spline shaft, through with first integral key shaft, the second integral key shaft injects the installation drum respectively in, make first drive gear, the tooth piece intermeshing of second drive gear and installation drum inner wall, make first conical gear, second conical gear and spiral bevel gear intermeshing, when ball utilizes the motor forward to drive so, first integral key shaft, first drive gear drives first conical gear forward rotation, make spiral bevel gear drive second conical gear, second drive gear, the second integral key shaft carries out the antiport, thereby satisfy the demand of current automation equipment.

2. The utility model relates to a ball screw spline shaft, through setting up the apron, installing the ear, and pass through the bolt and install the ear fixed connection the apron, so be convenient for install and take off spiral bevel gear and pour into lubricating oil into, thus reduce the friction, improve the transmission precision; through setting up first mounting hole, second mounting hole, third mounting hole to set the aperture of first mounting hole, second mounting hole, third mounting hole to the same, make the specification the same like this, the unified installation of being convenient for improves the installation effectiveness.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional top-view connection structure of the present invention;

FIG. 3 is a schematic view of the side view connection structure of the present invention;

fig. 4 is a schematic view of the side view connection structure of the present invention.

In the figure: 1. a first mounting hole; 2. a first spline shaft; 3. installing a cylinder; 4. a hollow cylinder; 5. a cover plate; 6. a second spline shaft; 7. a second mounting hole; 8. a third mounting hole; 9. a rotating cylinder; 10. a tooth block; 11. a first drive gear; 12. a second transmission gear; 13. a spiral bevel gear; 14. a first bevel gear; 15. a second bevel gear; 16. and (5) mounting the lug.

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, the utility model provides a ball spline shaft, including hollow cylinder 4, the shrinkage pool has all been seted up to hollow cylinder 4's outer wall both sides, hollow cylinder 4's outer wall both sides all weld installation drum 3 and install the inside of drum 3 and rotate through the bearing and install a rotation section of thick bamboo 9, the internal face of rotation section of thick bamboo 9 all fixed mounting has a plurality of tooth piece 10, form the tooth's socket between the tooth piece 10 simultaneously, the inside of rotation section of thick bamboo 9 is equipped with first spline shaft 2 respectively, second spline shaft 6 and first spline shaft 2, all fixed the cover has first drive gear 11 on the second spline shaft 6, second drive gear 12, first drive gear 11, second drive gear 12 respectively with the tooth's socket intermeshing that the inside tooth piece 10 of rotation section of thick bamboo 9 formed simultaneously, hollow cylinder 4's inside bottom face is installed spiral bevel gear 13 through the bearing rotation and all the meshing is connected with first conical gear 14 on the spiral bevel gear 13, And the rotating shafts of the first bevel gear 14 and the second bevel gear 15 are butted with the rotating shafts of the first transmission gear 11 and the second transmission gear 12 respectively.

The outer wall of hollow cylinder 4 is equipped with opening and opening part and is equipped with the four corners department that apron 5 and has all seted up second mounting hole 7, the opening four corners department of hollow cylinder 4 all welds the four corners department that has installation ear 16 and has all seted up third mounting hole 8, third mounting hole 8 is corresponding with the position of second mounting hole 7 respectively simultaneously, apron 5 passes through bolt and 16 fixed connection of installation ear, set up apron 5, be convenient for install and take off spiral shell bevel gear 13 and pour into lubricating oil into, thereby reduce friction, the transmission precision is improved.

A plurality of first mounting hole 1 has all been seted up to hollow cylinder 4's outer wall both sides, and first mounting hole 1 all is circular distribution about hollow cylinder 4's center simultaneously, and first mounting hole 1 is used for the installation and the dismantlement of overall structure.

The first mounting hole 1, the second mounting hole 7 and the third mounting hole 8 are the same in aperture, so that the specifications are the same, uniform mounting is facilitated, and mounting efficiency is improved.

The outer diameters of the first conical gear 14 and the second conical gear 15 are smaller than the outer diameters of the first transmission gear 11 and the second transmission gear 12, and the outer diameters of the first transmission gear 11 and the second transmission gear 12 are larger than the inner diameter of the concave hole, so that the first spline shaft 2 and the second spline shaft 6 are convenient to mount and dismount.

The number of the first mounting holes 1 on the two sides of the outer wall surface of the hollow cylinder 4 is the same.

When in specific use, the utility model relates to a ball screw spline shaft, firstly arrange the whole device in the appointed position, then utilize the bolt to fix the hollow cylinder 4, then utilize the bearing to install the rotary cylinder 9 in the installation cylinder 3, then utilize the bearing to install the spiral bevel gear 13 in the hollow cylinder 4, at this moment insert the first spline shaft 2, the second spline shaft 6 into the installation cylinder 3 respectively, make the first drive gear 11, the second drive gear 12 and the tooth block 10 of the installation cylinder 3 inner wall mesh each other (at this moment, the end of the first drive gear 11, the second drive gear 12 is supported at the end of the installation cylinder 3, and the external diameter of the first drive gear 11, the second drive gear 12 is greater than the internal diameter of the concave hole), make the first conical gear 14, the second conical gear 15 and the spiral bevel gear 13 mesh each other, so when the ball screw utilizes the motor to drive in the forward direction, the first spline shaft 2 and the first transmission gear 11 drive the first bevel gear 14 to rotate in the forward direction, so that the spiral bevel gear 13 drives the second bevel gear 15, the second transmission gear 12 and the second spline shaft 6 to rotate in the reverse direction, and the requirements of the existing automatic equipment are met.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Claims

1. A ball spline shaft, comprising a hollow cylinder (4), characterized in that: the shrinkage pool has all been seted up to the outer wall both sides of hollow cylinder (4), the outer wall both sides of hollow cylinder (4) all weld the inside of installing drum (3) and installing drum (3) through the bearing rotation and install a rotation section of thick bamboo (9), the equal fixed mounting of internal face of a rotation section of thick bamboo (9) has a plurality of tooth piece (10), forms the tooth's socket between tooth piece (10) simultaneously, the inside of a rotation section of thick bamboo (9) is equipped with first integral key shaft (2) respectively, second integral key shaft (6) and first integral key shaft (2), all fixed cover has first drive gear (11), second drive gear (12) on second integral key shaft (6), first drive gear (11), second drive gear (12) respectively with the tooth's socket intermeshing that a rotation section of thick bamboo (9) inside tooth piece (10) formed simultaneously, all mesh on the inside bottom face of hollow cylinder (4) is installed spiral bevel gear (13) and spiral bevel gear (13) through the bearing rotation and is connected with first conical gear (13), (conical gear:) 14) The rotating shafts of the first conical gear (14) and the second conical gear (15) are respectively butted with the rotating shafts of the first transmission gear (11) and the second transmission gear (12).

2. The ball screw spline shaft according to claim 1, wherein: a plurality of first mounting holes (1) are all seted up to the outer wall both sides of hollow section of thick bamboo (4), and first mounting hole (1) all are circular distribution about the center of hollow section of thick bamboo (4) simultaneously.

3. The ball screw spline shaft according to claim 2, wherein: the outer wall of hollow cylinder (4) is equipped with opening and opening part and is equipped with the four corners department of apron (5) and has all seted up second mounting hole (7), the four corners department that the opening four corners department of hollow cylinder (4) all welded installation ear (16) and installation ear (16) has all seted up third mounting hole (8), and third mounting hole (8) are corresponding with the position of second mounting hole (7) respectively simultaneously, apron (5) are through bolt and installation ear (16) fixed connection.

4. A ball screw spline shaft according to claim 3, wherein: the first mounting hole (1), the second mounting hole (7) and the third mounting hole (8) are the same in aperture.

5. The ball screw spline shaft according to claim 1, wherein: the external diameter of first conical gear (14) is less than the external diameter of first drive gear (11), the external diameter of second conical gear (15) is less than the external diameter of second drive gear (12), the external diameter of first drive gear (11), second drive gear (12) is greater than the internal diameter of shrinkage pool.

6. The ball screw spline shaft according to claim 1, wherein: the number of the first mounting holes (1) on two sides of the outer wall surface of the hollow cylinder (4) is the same.