CN210608770U

CN210608770U - Precision die-casting forming rotating shaft seat

Info

Publication number: CN210608770U
Application number: CN201922017702.1U
Authority: CN
Inventors: 梁详
Original assignee: Wuxi Guojin Precision Machinery Technology Co Ltd
Current assignee: Wuxi Guojin Precision Machinery Technology Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-05-22
Anticipated expiration: 2029-11-21

Abstract

The utility model relates to a pivot seat, and disclose a precision die-casting shaping pivot seat, including casing, rotation seat, box, ventilation hole and bearing, be connected with the box through the mounting in the casing, be provided with the supporting shoe in the box, the middle part of supporting shoe takes shape to have the perforation that supplies the pivot to transversely run through, and all set up at the both sides face of box with the supporting shoe on the coaxial through-hole of perforating, the through-hole department integrated into one piece of the outer both sides face of box has the rotation seat, it has the hole that is used for installing the bearing and rotates the tip that the seat is equipped with the pivot through the fixed cover of bearing to rotate the shaping processing on the seat, the equal fixedly connected with outer support ring in the holistic centre of a circle department of the. This accurate die-casting shaping pivot seat can make the pivot can rotate under outside actuating mechanism drives for the effectual support length of pivot obtains greatly increased, and then can guarantee that the atress between motor and the axle is complete, with the result of use of improvement pivot under the high strength lasts the rotation.

Description

Precision die-casting forming rotating shaft seat

Technical Field

The utility model relates to a pivot seat specifically is an accurate die-casting shaping pivot seat.

Background

The rotating shaft seat is also called a bearing seat lead, is a large-scale and super-large-scale bearing seat which can receive comprehensive load and has a special structure, and has the characteristics of compact structure, sensitive rotation, convenient device maintenance and the like. The bearing is provided with a supporting point, the inner supporting point of the bearing is a shaft, and the outer supporting is a bearing seat. Currently, bearing blocks are divided into: a split bearing seat, a sliding bearing seat, a rolling bearing seat, a bearing seat with a flange, an outer spherical bearing seat and the like.

Most of the existing rotating shaft seats can meet the related use requirements, and for rotating shafts which are large in diameter and need to rotate for a long time, only a part of the end part of the rotating shaft can be sleeved by a single rotating shaft seat, the effective supporting and rotating length of the rotating shaft seat is limited, so that after the rotating shaft seat is used for a long time, the precision of the rotating shaft can be influenced by the service life of the bearing seat to be reduced, light persons influence the production and processing procedures, and heavy persons cause potential safety hazards.

Therefore, a precise die-casting rotating shaft seat is designed.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides an accurate die-casting shaping pivot seat has solved the relatively poor problem of current pivot seat to the anti radial stress of pivot tip.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides an accurate die-casting shaping pivot seat, includes the casing, rotates the seat, the box, ventilation hole and bearing, the bottom surface and the preceding terminal surface of casing are open structure, and are connected with the box through the mounting in the casing, be provided with the supporting shoe in the box, and the middle part of supporting shoe is shaped to process has the perforation that supplies the pivot to transversely run through, and all set up at the both sides face of box with the coaxial through-hole of perforation on the supporting shoe, the through-hole department integrated into one piece of the outer both sides face of box has simultaneously rotates the seat, it has the hole that is used for installing the bearing and all coaxial settings with the perforation at the through-hole of box both sides and supporting shoe middle part to rotate the seat.

Furthermore, the mounting includes the through-hole that supplies the reference column to pass of the symmetry that casing both sides face was seted up, and the equal contour machining in both ends of reference column has the external screw thread and with screw thread lid threaded connection, the reference column runs through the box and connects in the both sides face of casing through the screw thread lid.

Furthermore, the supporting block is integrally formed into a shape matched with the box body, and the supporting block is fixedly connected to the middle of the inner bottom surface of the box body.

Furthermore, the circle centers of the through holes on the two side surfaces of the supporting block are fixedly connected with outer supporting rings, bearings are fixedly installed on the inner rings of the outer supporting rings, and the diameters of the through holes are larger than that of the rotating shaft.

Furthermore, a plurality of ventilation holes are opened to the leading flank of box, and a plurality of ventilation holes are evenly arranged.

Furthermore, the both sides face of casing all sets up the notch that supplies the pivot to run through to the installation, and set up the logical groove of heat dissipation that a plurality of equidistance were arranged on the top surface of casing, still fixedly connected with dust screen on the casing simultaneously.

The utility model has the advantages that:

1. the utility model discloses a, can make the pivot can rotate under external actuating mechanism drives for the effectual support length of pivot obtains greatly increased, and then can guarantee that the atress between motor and the axle is complete, and play the effect of the rotation support length of extension pivot, thereby improve the effect of the radial bending strength of pivot tip, increase of service life, so improve the result of use of pivot under the high strength lasts the rotation.

2. The utility model discloses a, can make the pivot rotate with the help of the bearing of supporting shoe both sides, and not with the perforation contact to when guaranteeing pivot rotation precision, furthest avoids the wearing and tearing of pivot, improves the result of use.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the middle box body of the present invention;

fig. 3 is a schematic structural diagram of the middle support block of the present invention.

In the figure: 1. a housing; 2. a threaded cap; 3. a rotating shaft; 4. a notch; 5. a rotating seat; 6. a positioning column; 7. a box body; 8. a vent hole; 9. perforating; 10. a heat dissipation through groove; 11. a dust screen; 12. a support block; 13. a support ring; 14. and a bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-3: a precise die-casting rotary shaft seat comprises a shell 1, a rotary seat 5, a box body 7, a vent hole 8 and a bearing 14, wherein the bottom surface and the front end surface of the shell 1 are of an open structure, the box body 7 is connected in the shell 1 through a fixing part, a supporting block 12 is arranged in the box body 7, a through hole 9 for the rotary shaft 3 to transversely penetrate through is formed in the middle of the supporting block 12, through holes coaxial with the through hole 9 on the supporting block 12 are formed in two side surfaces of the box body 7, the rotary seat 5 is integrally formed in the through hole on the outer two side surfaces of the box body 7, a hole for mounting the bearing 14 is formed in the rotary seat 5 and is coaxial with the through holes on the two sides of the box body 7 and the through hole 9 in the middle of the supporting block 12, the rotary seat 5 is fixedly sleeved with the end part of the rotary shaft 3 through the bearing 14, so that the rotary shaft 3 can, and then can guarantee that the atress between motor and the axle is complete to improve pivot 3 result of use under the continuous rotation of high strength.

Further, the mounting includes the through-hole that supplies reference column 6 to pass of the symmetry that casing 1 both sides face was seted up, and the equal contour machining in both ends of reference column 6 has the external screw thread and with 2 threaded connection of screw cap, and reference column 6 runs through out box 7 and connects in the both sides face of casing 1 through screw cap 2, through designing the mounting into threaded fixed mode, makes box 7 can follow casing 1 and tear out for it is very convenient to guarantee to maintain after sale and change, improves the practicality.

Further, the supporting block 12 is integrally formed into a shape matched with the box body 7, and the supporting block 12 is fixedly connected to the middle of the inner bottom surface of the box body 7, so that the effect of prolonging the rotating supporting length of the rotating shaft 3 is achieved, the effect of improving the radial bending strength of the end part of the rotating shaft 3 is improved, and the service life is prolonged.

The center of a circle of the through hole 9 on the two side surfaces of the supporting block 12 is fixedly connected with an outer supporting ring 13, a bearing 14 is fixedly installed on the inner ring of the outer supporting ring 13, and the diameter of the through hole 9 is larger than that of the rotating shaft 3, so that the rotating shaft 3 can rotate by means of the bearing 14 on the two sides of the supporting block 12 without contacting with the through hole 9, the rotating precision of the rotating shaft 3 is guaranteed, meanwhile, the abrasion of the rotating shaft 3 is avoided to the maximum extent, and the using effect is improved.

Further, a plurality of ventilation holes 8 have been seted up to the leading flank of box 7, and a plurality of ventilation holes 8 are evenly arranged, utilize ventilation hole 8 to play the ventilation cooling effect to box 7 to reach the effect that reduces 14 temperatures of bearing, prolong its life.

Further, the both sides face of casing 1 all sets up the notch 4 that supplies pivot 3 to run through to the installation, and set up the logical groove 10 of heat dissipation that a plurality of equidistance were arranged on the top surface of casing 1, still fixedly connected with dust screen 11 on the casing 1 simultaneously avoids the ash falling condition.

To sum up, when the utility model is used, the rotating shaft 3 can be driven by the external driving mechanism to rotate, so that the effective supporting length of the rotating shaft 3 is greatly increased, the complete stress between the motor and the shaft can be ensured, and the effect of prolonging the rotating supporting length of the rotating shaft 3 is achieved, thereby improving the effect of radial bending strength of the end part of the rotating shaft 3, prolonging the service life and improving the use effect of the rotating shaft 3 under the continuous rotation of high strength; meanwhile, the rotating shaft 3 can rotate by virtue of the bearings 14 on the two sides of the supporting block 12 without contacting with the through hole 9, so that the rotating precision of the rotating shaft 3 is ensured, meanwhile, the abrasion of the rotating shaft 3 is avoided to the maximum extent, and the using effect is improved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a precision die-casting shaping pivot seat, includes casing (1), rotates seat (5), box (7), ventilation hole (8) and bearing (14), its characterized in that: the bottom surface and the preceding terminal surface of casing (1) are open structure, and be connected with box (7) through the mounting in casing (1), be provided with supporting shoe (12) in box (7), and the middle part of supporting shoe (12) takes shape the processing and has perforation (9) that supply pivot (3) transversely to run through, and all offer at the both sides face of box (7) with perforation (9) coaxial through-hole on supporting shoe (12), the through-hole department integrated into one piece of the outer both sides face of box (7) has rotation seat (5) simultaneously, it has the hole that is used for installing bearing (14) and all coaxial setting with perforation (9) at the through-hole of box (7) both sides and supporting shoe (12) middle part to rotate the processing on seat (5), and rotate seat (5) and pass through the fixed cover of bearing (14) and be equipped with the tip of pivot (3).

2. The precision die-casting rotary shaft seat according to claim 1, characterized in that: the fixing piece comprises through holes which are formed in two side faces of the shell (1) and are used for the positioning columns (6) to penetrate through, outer threads are formed at two ends of each positioning column (6) and are connected with the threaded covers (2) in a threaded mode, and the positioning columns (6) penetrate through the box body (7) and are connected to the two side faces of the shell (1) through the threaded covers (2).

3. The precision die-casting rotary shaft seat according to claim 1, characterized in that: the supporting block (12) is integrally formed into a shape matched with the box body (7), and the supporting block (12) is fixedly connected to the middle of the inner bottom surface of the box body (7).

4. The precision die-casting rotary shaft seat according to claim 1, characterized in that: the center of a circle of the through hole (9) on the two side faces of the supporting block (12) is fixedly connected with an outer supporting ring (13), a bearing (14) is fixedly arranged on the inner ring of the outer supporting ring (13), and the diameter of the through hole (9) is larger than that of the rotating shaft (3).

5. The precision die-casting rotary shaft seat according to claim 1, characterized in that: a plurality of ventilation holes (8) are formed in the front side face of the box body (7), and the ventilation holes (8) are evenly distributed.

6. The precision die-casting rotary shaft seat according to claim 1, characterized in that: the both sides face of casing (1) all sets up notch (4) that supply pivot (3) to run through to in the installation, and set up a plurality of equidistance in the top surface of casing (1) and arrange heat dissipation logical groove (10), still fixedly connected with dust screen (11) on casing (1) simultaneously.