CN216265868U

CN216265868U - Clamping fixing device for high-precision machining of ultra-precise roller bearing

Info

Publication number: CN216265868U
Application number: CN202122926069.5U
Authority: CN
Inventors: 张千玉; 都清为; 姚兴峰
Original assignee: Shandong Senji Bearing Technology Co ltd
Current assignee: Shandong Senji Bearing Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-12
Anticipated expiration: 2031-11-26

Abstract

The utility model provides a clamping fixing device of ultraprecise roller bearing high accuracy processing, relates to bearing processing positioning device field, the on-line screen storage device comprises a base, the fixed workstation that is provided with on the base, its characterized in that, the workstation intermediate position is equipped with the bearing and places the seat, the bearing is placed a both sides and front and back direction symmetry respectively and is provided with two sets of pre-positioning subassembly and two sets of clamping unit, pre-positioning subassembly includes the fixed plate, sliding fit has the locating lever on the fixed plate, the fixed limiting plate that is provided with on the locating lever, the limiting plate is in fixed plate one side, locating lever one end is connected with the tailboard, the locating piece is installed to tailboard one side, be equipped with positioning spring between tailboard and the fixed plate, positioning spring cup joints on the locating lever, clamping unit includes the mounting panel and presss from both sides tight piece. The bearing clamp is simple in structure, can quickly clamp bearings of different specifications through alignment of the pre-positioning assembly and position fixation of the clamping assembly, and is good in general effect.

Description

Clamping fixing device for high-precision machining of ultra-precise roller bearing

Technical Field

The utility model relates to the field of bearing processing and positioning equipment, in particular to a clamping and fixing device for high-precision processing of an ultra-precision roller bearing.

Background

The bearing is a component for fixing and reducing the load friction coefficient in the mechanical transmission process. When other parts are moved relative to each other on the shaft, the parts are used to reduce the friction coefficient during power transmission and to keep the center position of the shaft fixed. Its main function is to support the mechanical rotating body to reduce the friction coefficient of mechanical load of equipment in the transmission process. Along with the improvement of the precision requirement of the bearing in the assembling process, the clamping device is also infinite, but the traditional bearing clamping device has a complex structure and is inconvenient to operate, can only be limited to the bearing with a single structure, cannot realize quick positioning and clamping and the like, and thus the production efficiency is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the background technology, and then provides a clamping and fixing device for high-precision machining of an ultra-precision roller bearing.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a clamping fixing device of ultraprecise roller bearing high accuracy processing, the on-line screen storage device comprises a base, the fixed workstation that is provided with on the base, the workstation intermediate position is equipped with the bearing and places the seat, the bearing is placed a both sides and front and back direction symmetry respectively and is provided with two sets of prepositioning subassemblies and two sets of clamping components, prepositioning subassembly includes the fixed plate, sliding fit has the locating lever on the fixed plate, the fixed limiting plate that is provided with on the locating lever, the limiting plate is in fixed plate one side, locating lever one end is connected with the tailboard, the locating piece is installed to tailboard one side, be equipped with positioning spring between tailboard and the fixed plate, positioning spring cup joints on the locating lever, clamping component includes mounting panel and presss from both sides tight piece.

Furthermore, the other end of the positioning rod is provided with a pull rod, and the pull rod is convenient for a worker to operate the positioning rod.

Furthermore, the positioning block is in contact with the bearing placing seat and is in sliding fit with the bearing placing seat, so that the positioning block is guaranteed to always keep linear motion in the pre-positioning process, and the positioning precision is not influenced by the position deviation.

Furthermore, a fastening threaded rod is matched with the mounting plate in a threaded manner, and one end of the fastening threaded rod is provided with the clamping block.

Further, press from both sides tight piece with the seat is placed to the bearing contacts and sliding fit to guarantee to press from both sides tight piece and keep linear motion all the time at the tight in-process of clamp, improve fastening effect.

Furthermore, the other end of the fastening threaded rod is provided with a rotating handle, and the rotating handle is convenient for workers to rotate and screw the fastening threaded rod.

Furthermore, the clamping block is provided with a V-shaped groove, the V-shaped groove is suitable for bearings of various specifications, and the bearings of different specifications can be firmly fastened.

The scheme is optimized, a plurality of bulges are arranged in the V-shaped groove and are made of rubber, so that slipping is prevented, and the bearing is prevented from being damaged by rigid contact of the V-shaped groove and the bearing.

Furthermore, the sizes of the positioning block and the clamping block are completely consistent, so that the cost is saved and the positioning effect is improved.

Furthermore, a clamping cylinder is arranged on the mounting plate and connected with the clamping block, and a clamping mode of the clamping cylinder is adopted, so that the clamping force is large, and the fixing effect is good.

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

1. the bearing positioning device is simple in structure, the bearing is positioned and aligned from two sides by the pre-positioning assembly, the bearing is moved to the center of the bearing placing seat, the clamping assembly is used for positioning and clamping from the front and back directions, the bearing is firmly fixed on the bearing placing seat, the clamping and positioning are carried out in four directions, the using effect is better, in the specific operation process, a worker places the bearing on the bearing placing seat and pulls the pull rod, the moving distances of the positioning blocks at two sides after contacting with the bearing are kept consistent due to the action of the spring, then the bearing is positioned in advance, and then the worker twists the rotating handle from the front and back directions to fix the final position of the bearing.

2. The device also designs a device which is connected with the clamping block through the clamping cylinder to position and clamp the bearing, the clamping speed is higher, and the clamping force is larger.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic view of a clamp cylinder installation;

FIG. 4 is a perspective view of the clamping block;

wherein: the device comprises a base 1, a workbench 11, a bearing placing seat 12, a pre-positioning assembly 2, a fixing plate 21, a positioning rod 22, a limiting plate 23, a pull rod 24, a tail plate 25, a positioning block 26, a positioning spring 27, a clamping assembly 3, a mounting plate 31, a fastening threaded rod 32, a rotating handle 33, a clamping block 34, a V-shaped groove 341 and a clamping cylinder 35.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The utility model is further illustrated with reference to the accompanying drawings and examples:

as shown in figures 1 and 2, a clamping and fixing device for high-precision machining of an ultra-precision roller bearing comprises a base 1, wherein a workbench 11 is fixedly arranged on the base, a bearing placing seat 12 is arranged in the middle of the workbench, two sides and the front and back directions of the bearing placing seat are respectively and symmetrically provided with two groups of pre-positioning assemblies 2 and two groups of clamping assemblies 3, each pre-positioning assembly comprises a fixing plate 21, a positioning rod 22 is slidably matched on the fixing plate, a limiting plate 23 is fixedly arranged on the positioning rod and is positioned on one side of the fixing plate, one end of the positioning rod is connected with a tail plate 25, the other end of the positioning rod is provided with a pull rod 24 for facilitating pulling of the positioning rod, the pull rod facilitates operation of a worker on the positioning rod, a positioning block 26 is arranged on one side of the tail plate and is in contact with and sliding fit with the bearing placing seat, the positioning spring 27 is arranged between the tail plate and the fixed plate and is sleeved on the positioning rod; clamping unit includes mounting panel 31 and presss from both sides tight piece 34, screw-thread fit has fastening threaded rod 32 on the mounting panel, fastening threaded rod one end is equipped with press from both sides tight piece, press from both sides tight piece with the seat is placed to the bearing and contacts and sliding fit to guarantee at the tight in-process of clamp, press from both sides tight piece and keep linear motion throughout, improve the fastening effect, the fastening threaded rod other end is equipped with rotation handle 33, it is convenient for the staff to carry out the rotation to fastening threaded rod and screws up to rotate the handle.

The device is simple in structure and low in design cost, the bearing is positioned and aligned by the pre-positioning assembly from two sides, the bearing is moved to the center of the bearing placing seat, and then the bearing is positioned and clamped by the clamping assembly from the front and back directions, so that the bearing is firmly fixed on the bearing placing seat; in the concrete operation process, the staff places the bearing and places the seat on the bearing and pull the pull rod after, because the effect of spring, the both sides locating piece moves the distance behind the contact with the bearing and keeps unanimous, then the bearing realizes the position location in advance, secondly, the staff twists from the fore-and-aft direction and moves the rotation handle and realize fixing the final position of bearing.

As shown in fig. 4, the clamping block is provided with a V-shaped groove 341, which is suitable for bearings of various specifications, so that bearings of different specifications can be firmly fastened without shaking, and the positioning block and the clamping block have the same structure and size from the viewpoint of cost and positioning.

The bearing is characterized in that a plurality of bulges are arranged in the V-shaped groove and are made of rubber, so that slipping is prevented, and the bearing is prevented from being damaged due to rigid contact between the V-shaped groove and the bearing.

In other embodiments, as shown in fig. 3, the mounting plate is provided with a clamping cylinder 35, the clamping cylinder is connected with the clamping block, and the clamping manner of the clamping cylinder is relatively high in clamping force and better in fixing effect, but relatively higher in cost, compared with the fastening of a threaded rod.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a clamping fixing device of ultraprecise roller bearing high accuracy processing, the on-line screen storage device comprises a base, the fixed workstation that is provided with on the base, its characterized in that, the workstation intermediate position is equipped with the bearing and places the seat, the bearing is placed a both sides and front and back direction symmetry respectively and is provided with two sets of prepositioning subassemblies and two sets of clamping components, prepositioning subassembly includes the fixed plate, sliding fit has the locating lever on the fixed plate, the fixed limiting plate that is provided with on the locating lever, the limiting plate is in fixed plate one side, locating lever one end is connected with the tailboard, the locating piece is installed to tailboard one side, be equipped with positioning spring between tailboard and the fixed plate, positioning spring cup joints on the locating lever, clamping component includes mounting panel and presss from both sides tight piece.

2. The clamping and fixing device for high-precision machining of the ultra-precision roller bearing according to claim 1, wherein a fastening threaded rod is in threaded fit with the mounting plate, the clamping block is arranged at one end of the fastening threaded rod, and a rotating handle is arranged at the other end of the fastening threaded rod.

3. The clamping and fixing device for high-precision machining of the ultra-precision roller bearing according to claim 1, wherein the positioning block is in contact with and in sliding fit with the bearing placing seat.

4. The clamping and fixing device for high-precision machining of the ultra-precision roller bearing according to claim 1, wherein a pull rod is arranged at the other end of the positioning rod.

5. The clamping and fixing device for high-precision machining of the ultra-precision roller bearing according to claim 2, wherein the clamping block is in contact with and in sliding fit with the bearing placing seat.

6. The clamping and fixing device for high-precision machining of the ultra-precision roller bearing according to claim 2, wherein the clamping block is provided with a V-shaped groove.

7. The clamping and fixing device for high-precision machining of the ultra-precision roller bearing according to claim 1, wherein a clamping cylinder is arranged on the mounting plate, and the clamping cylinder is connected with the clamping block.