CN215214418U

CN215214418U - Long rolling body precision bearing assembly device

Info

Publication number: CN215214418U
Application number: CN202120302582.4U
Authority: CN
Inventors: 叶艺
Original assignee: Yinchuan Jinwo Precision Technology Co ltd
Current assignee: Yinchuan Jinwo Precision Technology Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-12-17
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a long rolling element precision bearing assembly device, including the assembly table with fix the fixing base in assembly table upper surface rear side, be equipped with the cavity on the fixing base and be located the removal chamber of cavity both sides, the equal movable mounting in both sides of fixing base has the removal side lever, and two remove one side that the side lever is close to each other and all pass through transverse connecting rod fixedly connected with arc splint, and the equal clamping in one side that two arc splint are close to each other is fixed with same bearing inner race, the bearing inner race is located the front side of fixing base, fixed mounting has step motor on the rear side inner wall of cavity. The utility model discloses in the accurate bearing assembly device of long rolling element that provides, can be to the bearing inner race among the bearing assembly spare firmly fix on the board, and fixed firm, and then be favorable to ensureing follow-up normal equipment to whole long rolling element accurate bearing, and simple structure, ensured holistic packaging efficiency.

Description

Long rolling body precision bearing assembly device

Technical Field

The utility model relates to a bearing manufacturing technical field especially relates to a long rolling element precision bearing assembly device.

Background

A rolling bearing is a precise mechanical element that reduces friction loss by changing sliding friction between a running shaft and a shaft seat into rolling friction. The rolling bearing generally comprises an inner ring, an outer ring, a rolling body and a retainer. Rolling bearings are various in type, and long rolling element precision bearings are one type of rolling bearing.

When the long rolling body precision bearing is assembled, the end face and the non-stressed face of the bearing are not directly hammered, and the bearing is uniformly stressed by a pressing block, a sleeve or other mounting tools (tools) and is not mounted by the transmission force of the rolling body. If the mounting surface is coated with lubricating oil, the mounting is smoother. If the fit interference is large, the bearing is placed in mineral oil and heated to 80-90 ℃ before being installed as soon as possible. Prior art patent publication No. CN208138333U also discloses a long rolling element precision bearing assembling device, which comprises a workbench, a driving shaft, a lifting support disk and a ball storage box.

However, in the existing bearing assembling technology, the outer ring of the bearing in the bearing assembling part cannot be firmly fixed on the machine table, and is not convenient to operate and fix, so that the normal assembling of the subsequent bearing is affected, and the overall assembling efficiency is affected. Therefore, the utility model provides a long rolling element precision bearing assembly device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a long rolling element precision bearing assembling device.

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

a long rolling body precision bearing assembling device comprises an assembling table and a fixed seat fixed on the rear side of the upper surface of the assembling table, wherein a cavity and moving cavities positioned on two sides of the cavity are arranged on the fixed seat, moving side levers are movably arranged on two sides of the fixed seat, one side, close to each other, of the two moving side levers is fixedly connected with arc-shaped clamping plates through transverse connecting rods, one side, close to each other, of the two arc-shaped clamping plates is fixedly clamped with the same bearing outer ring, the bearing outer ring is positioned on the front side of the fixed seat, a stepping motor is fixedly arranged on the inner wall of the rear side of the cavity, a worm is fixedly connected onto an output shaft of the stepping motor, the other end of the worm is rotatably arranged on the inner wall of the front side of the cavity, a worm wheel is meshed on the worm, a spiral rod is fixedly sleeved on the worm wheel, two ends of the spiral rod are respectively rotatably extended into the two moving cavities and are provided with moving columns through threads, and one ends of the two moving columns, which are far away from each other, respectively slide and extend to the two sides of the fixed seat and are respectively fixedly connected with the inner sides of the moving side rods.

Preferably, all be equipped with the external screw thread on the both ends outer wall of hob, and the screw thread of two external screw threads sets up to opposite soon, and two one ends that remove the post and be close to each other are equipped with the thread groove respectively, and the hob passes through the external screw thread and removes the thread groove threaded connection on the post.

Preferably, a sliding rail is fixedly arranged on the inner wall of the rear side of the moving cavity, the rear side of the moving column is fixedly connected with a sliding block through a support, and the sliding block is installed on the sliding rail in a sliding mode along the horizontal direction.

Preferably, the inner wall of one side, close to each other, of the two arc-shaped clamping plates is provided with an anti-skid protrusion.

Preferably, two move all to be equipped with the mounting hole on the one side inner wall that the chamber kept away from each other, the sliding sleeve has been cup jointed to the mounting hole internal fixation, and moves the post and slide along the horizontal direction and run through in the sliding sleeve.

Preferably, the inner walls of the two sides of the cavity are respectively provided with a rotating bearing, and the screw rod is rotatably arranged on the rotating bearings.

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

in the utility model, the worm is driven to rotate by the stepping motor, the worm is meshed with the worm wheel for transmission when rotating, and further the worm wheel can be rotated, the worm wheel is driven to rotate when rotating, the screw rod rotates relatively through the external thread and the thread groove on the moving column when rotating, because the moving column is matched with the slide rail in a sliding guide way through the slide block on the bracket, and the thread directions on the two external threads on the screw rod are opposite, thus when the screw rod rotates, the moving columns on two sides can be driven to transmit opposite threads on the external thread of the screw rod through the thread groove respectively, and when the two moving columns move oppositely, the arc clamping plates on two sides are driven to move oppositely through the moving side lever and the transverse connecting rod, thereby the bearing outer ring can be clamped and fixed between the two arc clamping plates, and because the inner wall of the arc clamping plates is also provided with the anti-skid protrusions, thus, through the anti-skid matching of the anti-skid protrusions, the clamping and fixing of the bearing outer ring can be more firm;

to sum up, the utility model provides a pair of long rolling element precision bearing assembly device can be to the bearing inner race among the bearing assembly spare firmly fix on the board, and fixed firm, and then be favorable to ensureing follow-up normal equipment to whole long rolling element precision bearing, and simple structure, be convenient for fixed to the operation of bearing inner race, ensured holistic packaging efficiency.

Drawings

Fig. 1 is a schematic top view of a long rolling element precision bearing assembly apparatus according to the present invention;

FIG. 2 is a schematic view of the present invention in a state when the outer ring of the bearing is not clamped;

fig. 3 is a schematic structural view of the worm, the worm wheel and the screw rod of the present invention.

In the figure: the assembling table comprises an assembling table 1, a fixed seat 2, a movable side rod 3, a transverse connecting rod 4, an arc-shaped clamping plate 5, an anti-skid protrusion 501, a cavity 6, a stepping motor 7, a worm 8, a worm wheel 9, a screw rod 10, an external thread 101, a movable column 11, a thread groove 1101, a support 12, a sliding block 13, a sliding rail 14, a movable cavity 15 and a bearing outer ring 16.

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.

Referring to fig. 1-3, a long rolling element precision bearing assembling device comprises an assembling table 1 and a fixed seat 2 fixed on the rear side of the upper surface of the assembling table 1, wherein a cavity 6 and a moving cavity 15 located at two sides of the cavity 6 are arranged on the fixed seat 2, moving side rods 3 are movably installed at two sides of the fixed seat 2, one sides of the two moving side rods 3 close to each other are fixedly connected with arc-shaped clamping plates 5 through transverse connecting rods 4, one side of the two arc-shaped clamping plates 5 close to each other is fixedly clamped with a same bearing outer ring 16, the bearing outer ring 16 is located at the front side of the fixed seat 2, a stepping motor 7 is fixedly installed on the inner wall of the rear side of the cavity 6, a worm 8 is fixedly connected on the output shaft of the stepping motor 7, the other end of the worm 8 is rotatably installed on the inner wall of the front side of the cavity 6, a worm wheel 9 is meshed with the worm 8, a spiral rod 10 is fixedly sleeved on the worm wheel 9, the both ends of hob 10 rotate respectively and extend to in two removal chambeies 15 and install through the screw and remove post 11, and two one ends that remove post 11 and keep away from each other slide respectively and extend to the both sides of fixing base 2 and respectively with the inboard fixed connection who removes side lever 3. The utility model discloses in the accurate bearing assembly device of long rolling element that provides, can be to bearing inner race 16 among the bearing assembly spare firmly fix on the board, and fixed firm, and then be favorable to ensureing follow-up normal equipment to whole long rolling element accurate bearing, and simple structure, ensured holistic packaging efficiency.

Further, the outer walls of the two ends of the screw rod 10 are both provided with external threads 101, the thread directions of the two external threads 101 are opposite, the ends, close to each other, of the two moving columns 11 are respectively provided with a thread groove 1101, and the screw rod 10 is in threaded connection with the thread groove 1101 on the moving column 11 through the external threads 101.

Further, a slide rail 14 is fixedly arranged on the inner wall of the rear side of the moving cavity 15, a slide block 13 is fixedly connected to the rear side of the moving column 11 through a bracket 12, and the slide block 13 is slidably mounted on the slide rail 14 along the horizontal direction.

Further, the inner walls of the two arc-shaped clamping plates 5 close to each other are provided with anti-skid protrusions 501.

Further, two move and all be equipped with the mounting hole on the one side inner wall that chamber 15 kept away from each other, the sliding sleeve has been cup jointed to the mounting hole internal fixation, and moves post 11 and slide along the horizontal direction and run through in the sliding sleeve.

Further, rotating bearings are mounted on the inner walls of the two sides of the cavity 6, and the screw rod 10 is rotatably mounted on the rotating bearings.

The long rolling element precision bearing assembling device provided by the utility model can firmly fix the bearing outer ring 16 in the bearing assembling component on the machine table, and the fixation is stable, thereby being beneficial to ensuring the normal assembly of the whole long rolling element precision bearing; when the bearing outer ring 16 needs to be fixed, the output shaft of the stepping motor 7 drives the worm 8 to rotate, the worm 8 is meshed with the worm wheel 9 for transmission when rotating, so that the worm wheel 9 can rotate, the worm wheel 9 drives the screw rod 10 to rotate when rotating, the screw rod 10 rotates relative to the thread groove 1101 on the moving column 11 through the external thread 101 when rotating, as the moving column 11 is also in sliding guide fit with the slide rail 14 through the slide block 13 on the bracket 12, and the thread directions of the two external threads 101 on the screw rod 10 are opposite, so that when rotating the screw rod 10, the moving columns 11 on two sides can respectively drive the opposite thread transmissions on the external thread 101 of the screw rod 10 through the thread groove 1101, and when the two moving columns 11 move oppositely, the moving side rods 3 and the transverse connecting rod 4 drive the arc-shaped clamping plates 5 on two sides to move oppositely, so as to clamp and fix the bearing outer ring 16 between the two arc-shaped clamping plates 5, and because the inner wall of the arc-shaped clamping plate 5 is also provided with the anti-skid protrusions 501, the clamping and fixing of the bearing outer ring 16 can be more firm through the anti-skid matching of the anti-skid protrusions 501, and the final stable clamping is fixed on the assembling table 1, so that the follow-up normal assembling of the whole long rolling body precision bearing is favorably ensured, the structure is simple, and the whole assembling efficiency is ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The long rolling body precision bearing assembling device comprises an assembling table (1) and a fixing seat (2) fixed on the rear side of the upper surface of the assembling table (1), and is characterized in that a cavity (6) and a moving cavity (15) positioned on two sides of the cavity (6) are arranged on the fixing seat (2), moving side rods (3) are movably mounted on two sides of the fixing seat (2), one side, close to each other, of the two moving side rods (3) is fixedly connected with an arc-shaped clamping plate (5) through a transverse connecting rod (4), one side, close to each other, of the two arc-shaped clamping plates (5) is fixedly clamped with a same bearing outer ring (16), the bearing outer ring (16) is positioned on the front side of the fixing seat (2), a stepping motor (7) is fixedly mounted on the inner wall of the rear side of the cavity (6), a worm (8) is fixedly connected on an output shaft of the stepping motor (7), and the other end of the worm (8) is rotatably mounted on the inner wall of the front side of the cavity (6), the worm (8) are meshed with worm wheels (9), the worm wheels (9) are fixedly sleeved with screw rods (10), two ends of each screw rod (10) are respectively rotated to extend into two moving cavities (15) and are provided with moving columns (11) through threads, and one ends of the two moving columns (11) which are far away from each other respectively slide to extend to two sides of the fixing seat (2) and are respectively fixedly connected with the inner sides of the moving side rods (3).

2. The long rolling element precision bearing assembling device according to claim 1, wherein the outer walls of both ends of the screw rod (10) are provided with external threads (101), the thread directions of the two external threads (101) are opposite, the ends of the two moving columns (11) close to each other are respectively provided with thread grooves (1101), and the screw rod (10) is in threaded connection with the thread grooves (1101) on the moving columns (11) through the external threads (101).

3. The long rolling element precision bearing assembling device according to claim 1, characterized in that a sliding rail (14) is fixedly arranged on the inner wall of the rear side of the moving cavity (15), a sliding block (13) is fixedly connected to the rear side of the moving column (11) through a bracket (12), and the sliding block (13) is slidably mounted on the sliding rail (14) along the horizontal direction.

4. A long rolling element precision bearing assembling device according to claim 1, characterized in that the inner wall of one side of the two arc-shaped clamping plates (5) close to each other is provided with an anti-skid protrusion (501).

5. The long rolling body precision bearing assembly device according to claim 1, wherein the inner walls of the two moving cavities (15) at the sides far away from each other are provided with mounting holes, sliding sleeves are fixedly sleeved in the mounting holes, and the moving columns (11) slide and penetrate through the sliding sleeves along the horizontal direction.

6. A long rolling element precision bearing assembling device according to claim 1, characterized in that a rotary bearing is installed on both side inner walls of the cavity (6), and the screw rod (10) is rotatably installed on the rotary bearing.