CN217301478U

CN217301478U - Spline shaft transmission device

Info

Publication number: CN217301478U
Application number: CN202220699405.9U
Authority: CN
Inventors: 李旭飞; 任利军
Original assignee: Changzhou Haite Ciren Transmission Technology Co ltd
Current assignee: Changzhou Haite Ciren Transmission Technology Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-08-26
Anticipated expiration: 2032-03-29

Abstract

The utility model belongs to the technical field of the screw drive technique and specifically relates to a spline shaft transmission is related to, including the lead screw, be equipped with elevating system on the lead screw, rotary mechanism and linking bridge, elevating system includes elevator motor and screw-nut, elevator motor fixed connection is at the linking bridge, and can drive the screw-nut rotation on the lead screw, rotary mechanism includes rotating electrical machines and spline nut, rotating electrical machines fixed connection is at the linking bridge, and can drive the female rotation of spline on the lead screw, the periphery of lead screw is equipped with spiral helicine screw shaft raceway groove and vertical integral key shaft raceway groove, screw-nut dress is on screw shaft raceway groove, the female dress of spline is on integral key shaft raceway groove. The utility model discloses when using, two motors drive screw-nut and spline respectively female, correspond the up-and-down motion and the rotary motion of lead screw respectively, can realize angle control and also can control the stroke.

Description

Spline shaft transmission device

Technical Field

The utility model belongs to the technical field of the screw drive technique and specifically relates to a spline shaft transmission is related to.

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 is the most commonly used transmission element on tool machinery and precision machinery, and has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency. Ball screws are widely used in various industrial equipments and precision instruments due to their small frictional resistance. But the existing screw rod transmission mechanism can realize single lifting movement and has larger functional limitation.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model aims at providing a spline shaft transmission that technical ability also can control the stroke to angle control.

In order to solve the technical problem, the utility model discloses a technical scheme as follows: a spline shaft transmission device comprises a lead screw, wherein a lifting mechanism, a rotating mechanism and a linkage support are arranged on the lead screw, the lifting mechanism comprises a lifting motor and a lead screw nut, the lifting motor is fixedly connected to the linkage support and can drive the lead screw nut on the lead screw to rotate, the rotating mechanism comprises a rotating motor and a spline nut, the rotating motor is fixedly connected to the linkage support and can drive the spline nut on the lead screw to rotate, a spiral lead screw shaft raceway groove and a vertical spline shaft raceway groove are formed in the periphery of the lead screw, the lead screw nut is arranged on the lead screw shaft raceway groove, and the spline nut is arranged on the spline shaft raceway groove.

In the technical scheme, the middle part of the screw rod is provided with an axial center hole.

In the above technical scheme, the linkage support includes rotating electrical machines mounting panel, elevator motor mounting panel and connecting plate, the rotating electrical machines dress is on the rotating electrical machines mounting panel, elevator motor dress is on the elevator motor mounting panel.

In the above technical scheme, the linkage support is provided with two synchronizing wheels which are respectively arranged on the lifting mechanism and the rotating mechanism.

To sum up, adopt the utility model discloses a technical scheme compares the beneficial effect that has in traditional technological means and is: the utility model discloses when using, two motors drive screw-nut and spline respectively female, correspond the up-and-down motion and the rotary motion of lead screw respectively, and fixed spline nut, when only rotatory screw-nut, the axle only carries out the up-and-down motion, and fixed screw-nut only rotates spline nut, and the axle carries out up-and-down rotary motion, and rotary motion is only made to rotatory screw-nut and spline nut simultaneously, axle, can realize that angular control also can control the stroke.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

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

FIG. 2 is a schematic sectional view A-A of FIG. 1;

fig. 3 is a schematic view of the connection structure of the lead screw, the lead screw nut and the spline nut of the present invention;

the reference numbers are as follows: a screw 100; screw shaft raceway grooves 110; spline shaft raceway grooves 120; a central bore 130; a lifting mechanism 200; a lift motor 210; a feed screw nut 220; a rotating mechanism 300; a rotating electrical machine 310; a spline nut 320; a linkage bracket 400; a rotating electric machine mounting plate 410; a lift motor mounting plate 420; a connecting plate 430; a synchronizing wheel 440.

Detailed Description

Hereinafter, the preferred embodiments of the present invention will be explained, and various changes and modifications can be made by workers without departing from the technical spirit of the present invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.

The invention will be further described with reference to the following drawings:

as shown in fig. 1 to 3, a spline shaft transmission device comprises a screw 100, a lifting mechanism 200, a rotating mechanism 300 and a linkage bracket 400 are arranged on the screw 100, the lifting mechanism 200 comprises a lifting motor 210 and a screw nut 220, the lifting motor 210 is fixedly connected to the linkage bracket 400 and can drive the screw nut 220 on the screw 100 to rotate,

the rotating mechanism 300 comprises a rotating motor 310 and a spline nut 320, the rotating motor 310 is fixedly connected to the linkage support 400 and can drive the spline nut 320 on the screw 100 to rotate, the periphery of the screw 100 is provided with a spiral screw shaft raceway groove 110 and a vertical spline shaft raceway groove 120, the screw nut 220 is installed on the screw shaft raceway groove 110, and the spline nut 320 is installed on the spline shaft raceway groove 120.

As shown in fig. 2, the central portion of the screw 100 has an axial central hole 130, and the screw 100 is hollow for ventilation.

As shown in fig. 1 and 2, the linking bracket 400 includes a rotating motor mounting plate 410, a lifting motor mounting plate 420, and a connecting plate 430, the rotating motor 310 is mounted on the rotating motor mounting plate 410, and the lifting motor 210 is mounted on the lifting motor mounting plate 420.

As shown in fig. 1, two synchronizing wheels 440 are disposed on the linking bracket 400 and respectively disposed on the lifting mechanism 200 and the rotating mechanism 300.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A spline shaft transmission device is characterized in that: comprises a screw rod (100), a lifting mechanism (200), a rotating mechanism (300) and a linkage bracket (400) are arranged on the screw rod (100), the lifting mechanism (200) comprises a lifting motor (210) and a screw nut (220), the lifting motor (210) is fixedly connected with the linkage bracket (400), the screw rod nut (220) on the screw rod (100) can be driven to rotate, the rotating mechanism (300) comprises a rotating motor (310) and a spline nut (320), the rotating motor (310) is fixedly connected to the linkage support (400), and can drive the spline nut (320) on the screw rod (100) to rotate, the periphery of the screw rod (100) is provided with a spiral screw rod shaft rolling groove (110) and a vertical spline shaft rolling groove (120), the screw rod nut (220) is arranged on the screw rod shaft raceway groove (110), and the spline nut (320) is arranged on the spline shaft raceway groove (120).

2. The spline shaft transmission according to claim 1, wherein: the middle part of the screw rod (100) is provided with an axial center hole (130).

3. The spline shaft transmission according to claim 1, wherein: linkage support (400) include rotating electrical machines mounting panel (410), elevator motor mounting panel (420) and connecting plate (430), rotating electrical machines (310) are adorned on rotating electrical machines mounting panel (410), elevator motor (210) are adorned on elevator motor mounting panel (420).

4. The spline shaft drive according to claim 1, wherein: two synchronizing wheels (440) are arranged on the linkage bracket (400) and are respectively arranged on the lifting mechanism (200) and the rotating mechanism (300).