CN214578272U

CN214578272U - Novel shaft head structure

Info

Publication number: CN214578272U
Application number: CN202120816182.5U
Authority: CN
Inventors: 王知红; 王勇俊
Original assignee: Jinjiang Zhanhui Mould Co ltd
Current assignee: Jinjiang Zhanhui Mould Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-11-02
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a novel spindle nose structure, including spindle nose seat and axostylus axostyle, the one end and the spindle nose seat of axostylus axostyle are connected, the spindle nose seat includes the joint axis body and fastens the axis body, the one end and the fastening axis body of joint axis body are connected, the joint axis body passes through the solid mechanism of card and is connected with the axostylus axostyle tip, improves the mounting structure of axostylus axostyle and joint axis body in this scheme, changes split type structure into by integral to the solid fixed as an organic whole of mechanism of card, through twisting the entrance point double-screw bolt down, it is downthehole to shift up the entering joint axis body tip to promote the fixture block with the spheroid, thereby fixes the joint axis body in the annular, simple to operate, easy dismounting, in addition, the mounting hole structure helps the axostylus axostyle heat dissipation.

Description

Novel shaft head structure

Technical Field

The utility model relates to a spindle nose device technical field, concretely relates to novel spindle nose structure.

Background

Conventionally, the spindle nose is required part in the mechanical transmission, generally includes spindle nose seat and axostylus axostyle, and shaping spline on the axostylus axostyle, part spindle nose seat are the ladder axis body, including joint axis body, fastening axis body, the joint axis body sets up the spline groove outward, joint axis body and axostylus axostyle, fastening axis body integrated into one piece such as, under this structure, inconvenient parts such as fastening axis body, joint axis body of independent change to adapt to different parts, need improve.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one technical defect, the utility model provides a following technical scheme:

the application document discloses a novel spindle nose structure, which comprises a spindle nose seat and a shaft lever, wherein one end of the shaft lever is connected with the spindle nose seat, the spindle nose seat comprises a clamping shaft body and a fastening shaft body, one end of the clamping shaft body is connected with the fastening shaft body, the clamping shaft body is connected with the end part of the shaft lever through a clamping mechanism, the clamping mechanism comprises a plurality of spheres, studs, clamping blocks and mounting holes, a circle is drawn by taking the end part center of the shaft lever as a circle center and axially extends to form a ring groove, a protruding part in the middle of the ring groove is a positioning column, a jack is axially arranged at the end part of the corresponding clamping shaft body for the insertion of the positioning column, the inlet of the mounting hole is a linear section and is positioned at the peripheral wall of the shaft lever of the mounting hole, the studs are screwed in the inlet of the mounting hole, the outlet of the mounting hole is a linear section and is positioned on the peripheral wall of the positioning column, the clamping blocks are arranged at the outlet position of the mounting hole in a sliding manner, holes matched with the clamping block are arranged on the peripheral wall of the end part of the clamping hole, an arc segment is arranged between the inlet and the outlet of the mounting hole, a plurality of spheres are sequentially arranged in the arc segment cavity, and the spheres and the studs and the clamping blocks are connected by wires.

Improve the mounting structure of axostylus axostyle and joint axis body in this scheme, by integral split type structure that changes into to the solid fixed an organic whole of mechanism of card, through twisting entrance point double-screw bolt down, it is downthehole to shift up the entering joint axis body tip with the spheroid promotes the fixture block, thereby fixes the joint axis body in the annular, simple to operate, and is quick detachable, and in addition, the mounting hole structure helps the axostylus axostyle heat dissipation.

Furthermore, a through hole is formed in the ball body along a certain diameter for a wire to pass through, one end of the wire is fixed with the clamping block, and the other end of the wire is fixed with the stud.

Further, the end of the wire rod is fixed with a nut which is screwed on the tail end of the stud, so that the wire rod and the stud are conveniently fixed.

Further, the fastening shaft body and the end part of the clamping shaft body are integrally formed.

Further, the periphery of the fastening axis body is provided with the screw thread to at the joint axis body tip periphery shaping spline that closes on the fastening axis body, the convenience is treated the installation component with other and is docked.

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

1. the utility model discloses improve the structure to the solid structure of card is fixed the joint axis body and axostylus axostyle, and convenient fixed, dismantlement and heat dissipation.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a structural view of the present spindle head in embodiment 1;

FIG. 2 is a view of a nut and stud connection;

wherein the reference numerals are:

1. a shaft lever; 2. clamping the shaft body; 3. a fastening shaft body; 10. an inlet; 11. an outlet; 12. a stud; 13. a clamping block; 14. a sphere; 15. a wire rod; 16. a ring groove; 17. a positioning column; 18. a first spline; 19. a nut; 21. a second spline; 22. a jack; 31. thread surfaces.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Example 1

FIG. 1 is a sectional view showing a structure diagram of a fastening mechanism in a spindle nose, and it can be seen that the spindle nose structure is mainly composed of a spindle nose seat and a spindle shaft 1, wherein the right end of the spindle shaft is connected with the spindle nose seat, the spindle nose seat comprises an integrally formed fastening spindle body 2 and a fastening spindle body 3, the whole spindle nose is in the shape of a three-stage stepped spindle body, in this embodiment, the fastening spindle body is connected with the right end of the spindle shaft through the fastening mechanism, wherein the fastening mechanism comprises a plurality of spheres, studs, fastening blocks and mounting holes, specifically, at the right end of the spindle shaft, a circle is drawn by taking the center of an end face as the center of the circle and axially extends to form a ring groove 16, the middle protruding part of the ring groove is a positioning column 17, the left end of the corresponding fastening spindle body is axially opened to form a jack for inserting the positioning column, the diameter of the positioning column is slightly smaller than the diameter of the jack to be sufficiently attached and fixed, the inlet of the mounting hole is a straight line segment and is located on the outer peripheral wall of the spindle shaft of the mounting hole, the stud 12 is screwed in the inlet 10 of the mounting hole, the mounting hole outlet 11 is a straight line segment and is located on the peripheral wall of the positioning column, the fixture block 13 is slidably mounted at the outlet of the mounting hole, a hole matched with the fixture block is formed in the peripheral wall of the end part of the insertion hole 22 of the clamping shaft body, the lower part of the fixture block is preferably rectangular, the upper part of the fixture block is in a quadrangular frustum shape, an arc segment and a plurality of spheres 14 are sequentially arranged in an arc segment cavity between the inlet and the outlet of the mounting hole, the diameter of each sphere is slightly smaller than the mounting hole, or an elastic layer is directly coated on each sphere to avoid noise generation in high-speed rotation, a hole is formed along a certain diameter of each sphere to allow each wire 15 to pass through, the tail end of each wire is fixed with the fixture block, and a nut is fixed at the head end of each wire, as shown in fig. 2, a nut 19 is screwed at the tail end of the stud and is convenient to mount.

In this scheme, can add the coolant liquid in the installation vestibule to supplementary heat dissipation, the radiating effect is good.

Simultaneously, still can open threadedly in the periphery of the fastening axis body according to conventional technique in this scheme, form thread face 31 in order to make things convenient for the butt joint to and close on the joint axis body right-hand member portion periphery shaping spline two 21 of fastening axis body, in order to make things convenient for the butt joint, or at the left end shaping spline 18 of axostylus axostyle etc..

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The novel spindle nose structure comprises a spindle nose seat and a spindle shaft, wherein one end of the spindle shaft is connected with the spindle nose seat, the spindle nose seat comprises a clamping shaft body and a fastening shaft body, one end of the clamping shaft body is connected with the fastening shaft body, and the novel spindle nose structure is characterized in that the clamping shaft body is connected with the end part of the spindle shaft through a clamping mechanism, the clamping mechanism comprises a plurality of spheres, studs, clamping blocks and mounting holes, a circle is drawn by taking the end part center of the spindle shaft as a circle center and axially extends to form an annular groove, a protruding part in the middle of the annular groove is a positioning column, a corresponding end part of the clamping shaft body is axially provided with a jack for the insertion of the positioning column, the inlet of the mounting hole is a linear section and is positioned on the peripheral wall of the spindle shaft of the mounting hole, the studs are screwed in the inlet of the mounting hole, the outlet of the mounting hole is a linear section and is positioned on the peripheral wall of the positioning column, the clamping block is arranged at the outlet of the mounting hole in a sliding manner, and a hole matched with the clamping block is arranged on the peripheral wall of the end part of the clamping hole, an arc segment is arranged between the inlet and the outlet of the mounting hole, a plurality of spheres are sequentially arranged in the arc segment cavity, and the spheres and the studs and the clamping blocks are connected by wires.

2. A novel head structure as claimed in claim 1, characterised in that: a through hole is formed in the ball body along a certain diameter, a wire rod penetrates through the through hole, one end of the wire rod is fixed with the clamping block, and the other end of the wire rod is fixed with the stud.

3. A novel head structure as claimed in claim 2, characterised in that: and a nut is fixed at the end part of the wire and is in threaded connection with the tail end of the stud.

4. A novel head structure as claimed in claim 1, characterised in that: the fastening shaft body and the end part of the clamping shaft body are integrally formed.

5. The novel head structure of claim 4, characterized in that: the periphery of the fastening shaft body is provided with threads, and a spline is formed on the periphery of the end part of the clamping shaft body close to the fastening shaft body.