CN217475839U

CN217475839U - Ultra-precision main shaft pressing machine

Info

Publication number: CN217475839U
Application number: CN202220468911.7U
Authority: CN
Inventors: 刘永涛
Original assignee: Guangdong Yangdaxin Technology Co ltd
Current assignee: Guangdong Yangdaxin Technology Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-09-23
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses an ultra-precise main shaft pressing machine, which comprises a workbench, wherein a bearing seat, a lifting portal frame, a first bearing grabbing mechanism, a second bearing grabbing mechanism and a pressing mechanism are arranged on the workbench, a bearing placing station is arranged on the bearing seat, the first bearing grabbing mechanism and the second bearing grabbing mechanism are movably arranged on the lifting portal frame, and are oppositely positioned at the left side and the right side of the bearing seat, a first bearing is grabbed by the first bearing grabbing mechanism and placed on the bearing placing station, a main shaft with one end sleeved with a second bearing is grabbed by the second bearing grabbing mechanism and placed on the first bearing, so that the other end of the main shaft is sleeved on the first bearing, the pressing mechanism is movably arranged on the lifting portal frame and is positioned right above the bearing seat, the main shaft and the first shaft are fixed in a socket joint mode through the pressing mechanism, and the other end of the main shaft and the first bearing are located on the same horizontal plane. The utility model discloses can replace manual operation, reduce artifical intensity of labour, improve yield and efficiency.

Description

Ultra-precision main shaft pressing machine

Technical Field

The utility model relates to a main shaft pressfitting machine, concretely relates to ultra-precision main shaft pressfitting machine.

Background

As shown in fig. 1, a spindle assembly is assembled from a spindle 11, a first bearing 12 and a second bearing 13, the first bearing 12 being mounted at one end of the spindle 11, and the second bearing 13 being mounted at the other end of the spindle 11. The existing assembly mode is a manual assembly mode, the first bearing 12 is firstly installed, the second bearing 13 is installed, the assembly of the second bearing 13 is simple, only the second bearing 13 needs to be installed and fixed, the first bearing 12 has high installation requirements, one end of the main shaft 11 and the first bearing 12 need to be located on the same horizontal plane, and the manual assembly mode is adopted, so that the labor intensity is high, the yield is low, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an ultra-precision main shaft pressfitting machine, can solve the defect that artifical installation primary shaft brought, improve production yield and production efficiency.

The technical scheme of the utility model as follows:

an ultra-precision main shaft pressing machine comprises a workbench, wherein a bearing seat, a lifting portal frame, a first bearing grabbing mechanism, a second bearing grabbing mechanism and a pressing mechanism are arranged on the workbench, the bearing seat is provided with a bearing placing station, the first bearing grabbing mechanism and the second bearing grabbing mechanism are movably arranged on the lifting portal frame, and are oppositely positioned at the left side and the right side of the bearing seat, a first bearing is grabbed by the first bearing grabbing mechanism and placed on the bearing placing station, a main shaft with one end sleeved with a second bearing is grabbed by the second bearing grabbing mechanism and placed on the first bearing, so that the other end of the main shaft is sleeved on the first bearing, the pressing mechanism is movably arranged on the lifting portal frame and is positioned right above the bearing seat, the main shaft and the first shaft are fixed in a socket joint mode through the pressing mechanism, and the other end of the main shaft and the first bearing are located on the same horizontal plane.

Furthermore, the lifting portal frame comprises a first up-down moving type linear module, a second up-down moving type linear module and an upper support plate, the first up-down moving type linear module and the second up-down moving type linear module are vertically arranged on the left side and the right side of the bearing seat, two opposite inner side walls of the first up-down moving type linear module and the second up-down moving type linear module are respectively provided with a first vertical guide rail and a second vertical guide rail, the first bearing grabbing mechanism is movably arranged on the first vertical guide rail, the second bearing grabbing mechanism is movably arranged on the second vertical guide rail, the upper support plate is fixed on the first up-down moving type linear module and the second up-down moving type linear module, and the press-fit mechanism is movably arranged on the upper support plate.

Furthermore, first bearing snatchs mechanism includes first rotating electrical machines and first cylinder clamping jaw, first rotating electrical machines is located on first perpendicular guide rail through first slider activity, the motor shaft of first rotating electrical machines faces up and is connected with first cylinder clamping jaw.

Furthermore, the second bearing grabbing mechanism comprises a second rotating motor and a second cylinder clamping jaw, the second rotating motor is movably arranged on the second vertical guide rail through a second sliding block, and a motor shaft of the second rotating motor faces upwards and is connected with the second cylinder clamping jaw.

Furthermore, a first cavity and a second cavity which are communicated with each other are arranged in the bearing seat up and down, the inner diameter of the first cavity is larger than that of the second cavity, a bearing support plate is movably arranged in the first cavity, a bearing placing station is arranged on the bearing support plate, an elastic device is arranged in the second cavity, and the bearing support plate is in elastic contact with the elastic device.

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

the utility model discloses can replace artifical first bearing of installation, it adopts automaticly, and first bearing material loading of collocation, second bearing material loading and unloading manipulator carry out work, and first bearing material loading is used for carrying first bearing, and second bearing material loading is used for carrying the main shaft that one end cup jointed the second bearing, and second bearing can adopt artifical mounting means with the installation of main shaft, and unloading manipulator carries out automatic unloading after the main shaft assembly is accomplished.

The working principle is as follows: the assembling method comprises the steps that first bearings are grabbed from a first bearing feeding belt through a first bearing grabbing mechanism and placed on a bearing placing station, then a main shaft with one end sleeved with a second bearing is grabbed from a second bearing feeding belt through a second bearing grabbing mechanism and placed on the first bearings, the other end of the main shaft is sleeved on the first bearings, finally the main shaft and the first bearings are fixedly connected in a socket joint mode through a pressing mechanism, the other end of the main shaft and the first bearings are located on the same horizontal plane, assembling of a main shaft assembly is completed, and the assembled main shaft assembly is grabbed by a discharging manipulator to discharge.

The advantages are that: the labor intensity of workers can be greatly reduced, and the production yield and the production efficiency are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions 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 schematic view of a spindle assembly produced by the present invention;

fig. 2 is a schematic structural view of the ultra-precision spindle pressing machine provided by the present invention;

fig. 3 is an external view of the bearing seat of the present invention;

fig. 4 is a cross-sectional view of the bearing seat of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to explain the technical solution of the present invention, the following description is made by using specific examples.

Examples

Referring to fig. 2, the present embodiment provides an ultra-precision spindle pressing machine, which is used for assembling a spindle assembly shown in fig. 1, and includes a workbench 2, a bearing seat 3, a lifting gantry 4, a first bearing grabbing mechanism, a second bearing grabbing mechanism and a pressing mechanism 7, where the workbench 2 is used as a support, the bearing seat 3, the lifting gantry, the first bearing grabbing mechanism, the second bearing grabbing mechanism and the pressing mechanism 7 are disposed on the workbench, a bearing placing station is disposed on the bearing seat 3, the first bearing grabbing mechanism and the second bearing grabbing mechanism are movably disposed on the lifting gantry 4 and are located at left and right sides of the bearing seat 3, and the pressing mechanism 7 is movably disposed on the lifting gantry 4 and is located right above the bearing seat 3. Firstly, a first bearing 12 is grabbed by a first bearing grabbing mechanism and placed on a bearing placing station, then a main shaft 11 with one end sleeved with a second bearing 13 is grabbed by a second bearing grabbing mechanism and placed on the first bearing 12, so that the other end of the main shaft 11 is sleeved on the first bearing 12, the main shaft 11 and the first bearing 12 are fixedly connected in an inserting mode through a pressing mechanism 7, and the other end of the main shaft 11 and the first bearing 12 are located on the same horizontal plane. The during operation can arrange first bearing material loading area, second bearing material loading area and unloading manipulator and carry out work, and first bearing material loading area is used for carrying first bearing 12, and second bearing material loading area is used for carrying the main shaft 11 that one end has cup jointed second bearing 13, and the manual work mounting means can be adopted with the installation of main shaft 11 to second bearing 13, and the unloading manipulator carries out automatic unloading after main shaft assembly accomplishes.

Specifically, the lifting gantry 4 comprises a first up-down moving linear module 41, a second up-down moving linear module 42 and an upper support plate 43, the first up-down moving linear module 41 and the second up-down moving linear module 42 are vertically arranged at the left side and the right side of the bearing seat 3, two opposite inner side walls of the first up-down moving linear module 41 and the second up-down moving linear module 42 are respectively provided with a first vertical guide rail and a second vertical guide rail, a first bearing grabbing mechanism comprises a first rotating motor 51 and a first cylinder clamping jaw 52, the first rotating motor 51 is movably arranged on the first vertical guide rail through a first slide block, a motor shaft of the first rotating motor 51 is upward and is connected with the first cylinder clamping jaw 52, a second bearing grabbing mechanism comprises a second rotating motor 61 and a second cylinder clamping jaw 62, the second rotating motor 61 is movably arranged on the second vertical guide rail through a second slide block, the motor shaft of the second rotating motor 61 faces upwards and is connected with a second cylinder clamping jaw 62, the upper supporting plate 43 is fixed on the first up-down moving type linear module 41 and the second up-down moving type linear module 42, and the pressing mechanism 7 is movably arranged on the upper supporting plate 43.

The working process comprises the following steps:

(1) the first cylinder clamping jaw 52 moves up and down under the action of the first up-and-down moving linear module 41, and the first cylinder clamping jaw 52 rotates towards the first bearing feeding belt under the action of the first rotating motor 51 and grabs the first bearing 12 to be placed on the bearing placing station;

(2) the second cylinder clamping jaw 62 moves up and down under the action of the second up-down moving type linear module 42, and the second cylinder clamping jaw 62 rotates towards the second bearing feeding belt under the action of the second rotating motor 61 and grabs the spindle 11 of which one end is sleeved with the second bearing 13 to be placed on the first bearing 12;

(3) the pressing mechanism 7 presses downwards, and the main shaft 11 and the first bearing 12 are fixedly inserted, so that the other end of the main shaft 11 and the first bearing 12 are located on the same horizontal plane.

Because the pressing mechanism 7 can generate larger pressure during pressing, the workpiece and the bearing seat 3 can be damaged, and preferably, the bearing seat 3 is structurally improved, as shown in fig. 3 and 4, a first cavity and a second cavity which are communicated with each other are arranged in the bearing seat 3 from top to bottom, the inner diameter of the first cavity is larger than that of the second cavity, a bearing support plate 31 is movably arranged in the first cavity, a bearing placing station is arranged on the bearing support plate 31, an elastic device 32 is arranged in the second cavity, and the bearing support plate 31 is in elastic contact with the elastic device 32. Through the structural improvement, when the pressing mechanism 7 is used for pressing, the workpiece has a buffering effect under the elastic action of the elastic device 32, the workpiece can move downwards to the bottom of the first cavity along with the bearing supporting plate 31, after the pressing is completed, the pressing mechanism 7 resets, and the workpiece bounces under the elastic action of the elastic device 32 and is grabbed by a discharging manipulator for discharging.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an ultra-precision main shaft pressfitting machine, includes the workstation, its characterized in that: the automatic bearing grabbing device is characterized in that a bearing seat, a lifting portal frame, a first bearing grabbing mechanism, a second bearing grabbing mechanism and a pressing mechanism are arranged on the workbench, a bearing placing station is arranged on the bearing seat, the first bearing grabbing mechanism and the second bearing grabbing mechanism are movably arranged on the lifting portal frame and are relatively located on the left side and the right side of the bearing seat, and the pressing mechanism is movably arranged on the lifting portal frame and is located right above the bearing seat.

2. The ultra-precision spindle press according to claim 1, wherein: the lifting portal frame comprises a first up-down moving type linear module, a second up-down moving type linear module and an upper supporting plate, wherein the first up-down moving type linear module and the second up-down moving type linear module are vertically arranged on the left side and the right side of a bearing seat, two opposite inner side walls of the first up-down moving type linear module and the second up-down moving type linear module are respectively provided with a first vertical guide rail and a second vertical guide rail, a first bearing grabbing mechanism is movably arranged on the first vertical guide rail, a second bearing grabbing mechanism is movably arranged on the second vertical guide rail, the upper supporting plate is fixed on the first up-down moving type linear module and the second up-down moving type linear module, and a pressing mechanism is movably arranged on the upper supporting plate.

3. The ultra-precision spindle press according to claim 2, wherein: the first bearing grabbing mechanism comprises a first rotating motor and a first cylinder clamping jaw, the first rotating motor is movably arranged on the first vertical guide rail through a first sliding block, and a motor shaft of the first rotating motor faces upwards and is connected with the first cylinder clamping jaw.

4. The ultra-precision spindle press according to claim 2, wherein: the second bearing grabbing mechanism comprises a second rotating motor and a second cylinder clamping jaw, the second rotating motor is movably arranged on the second vertical guide rail through a second sliding block, and a motor shaft of the second rotating motor faces upwards and is connected with the second cylinder clamping jaw.

5. The ultra-precision spindle press according to claim 1, wherein: the bearing seat is internally and vertically provided with a first cavity and a second cavity which are communicated, the inner diameter of the first cavity is larger than that of the second cavity, a bearing support plate is movably arranged in the first cavity, a bearing placing station is arranged on the bearing support plate, an elastic device is arranged in the second cavity, and the bearing support plate is in elastic contact with the elastic device.