CN219104260U

CN219104260U - High-precision elastic core expanding tool of single-sided vertical balancing machine

Info

Publication number: CN219104260U
Application number: CN202223473523.7U
Authority: CN
Inventors: 尹子朋; 宋兆利; 王占; 周勇刚
Original assignee: Jinan Bodihao Machinery Equipment Co ltd
Current assignee: Jinan Bodihao Machinery Equipment Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-30
Anticipated expiration: 2032-12-26

Abstract

The utility model belongs to the technical field of balancing machines, and discloses a high-precision elastic core expanding tool of a single-sided vertical balancing machine, which comprises a balancing machine frame; the upper end of the lifting seat is used for placing a workpiece, a blind rivet capable of moving up and down is arranged in the lifting seat in a penetrating manner, a compression nut is arranged at the top end of the blind rivet, and an elastic sleeve is arranged at the upper end of the outer part of the blind rivet; the utility model has simple structure and convenient use, can realize high-precision self-centering clamping of the workpiece and quick loading and unloading of the workpiece so as to improve balance precision and balance efficiency, in addition, after the workpiece is mounted on the balance machine tool, the piston of the rotary cylinder is started to move downwards, the pull rod is used for pulling the pull nail, the pull nail drives the elastic sleeve to move downwards, and the elastic sleeve and the cone are matched, when the elastic sleeve moves downwards, the elastic sleeve simultaneously expands outwards, so that the gap between the tool and the workpiece can be eliminated, and meanwhile, the workpiece is locked on the tool, and measurement can be directly started.

Description

High-precision elastic core expanding tool of single-sided vertical balancing machine

Technical Field

The utility model belongs to the technical field of balancing machines, and particularly relates to a high-precision elastic core expanding tool of a single-sided vertical balancing machine.

Background

The single-sided vertical balancing machine is a novel balancing machine equipment with wider application range, and is suitable for correcting single-sided balance of disc-shaped workpieces in a vertical state, and is mainly suitable for balancing and correcting various disc-shaped parts such as fans, fan blades, impellers, grinding wheels, saw blades and the like.

When the single-sided vertical balancing machine balances a workpiece, the workpiece and a balancing tool are matched in place to achieve a good balancing effect, namely, the smaller the fit clearance between the workpiece and the tool is, the better the fit clearance is, but the smaller the fit clearance is, the more difficult the workpiece is to be installed on the tool, so that the efficiency is affected, and the high-precision elastic core expanding tool of the single-sided vertical balancing machine is provided for solving the problem.

Disclosure of Invention

The utility model aims to provide a high-precision elastic core expanding tool of a single-sided vertical balancing machine, which aims to solve the problem that the efficiency is affected because a workpiece is difficult to install on the tool due to too small fit clearance in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a high-precision elastic core expanding tool of a single-sided vertical balancing machine comprises:

a balancing machine frame;

the upper end of the lifting seat is used for placing a workpiece, a blind rivet capable of moving up and down is arranged in the lifting seat in a penetrating manner, a compression nut is arranged at the top end of the blind rivet, and an elastic sleeve is arranged at the upper end of the outer part of the blind rivet;

and the pull-down assembly is connected with the bottom end of the pull pin and is used for driving the elastic sleeve to move downwards.

Preferably, the pull-down assembly comprises a pull rod and a rotary cylinder, wherein the top end of the pull rod is connected with the bottom end of the pull nail, and the rotary cylinder is arranged at the bottom end of the pull rod.

Preferably, the upper end surface of the heightening seat is provided with a cone, and the cone is matched with the elastic sleeve cone.

Preferably, the external top end of the blind rivet is provided with external threads, and the external top end of the blind rivet is screwed and connected with a locking nut.

Preferably, a positioning ring is arranged on the upper end face of the cone and positioned outside the blind rivet.

Preferably, the diameter of the compression nut is greater than the inner diameter of the workpiece center bore.

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

(1) The self-centering clamping device is simple in structure and convenient to use, and can realize high-precision self-centering clamping of workpieces and rapid loading and unloading of the workpieces so as to improve balance precision and balance efficiency.

(2) After the workpiece is mounted on the tool of the balancing machine, the piston of the rotary cylinder is started to move downwards, the pull rod is used for pulling the pull nails, the pull nails drive the elastic sleeve to move downwards, and as the elastic sleeve is matched with the cone, the elastic sleeve is simultaneously outwards expanded when moving downwards, so that the gap between the tool and the workpiece can be eliminated, the workpiece can be locked on the tool, and the measurement can be directly started.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is an enlarged view of a portion a in fig. 1;

in the figure: 1. a balancing machine frame; 2. a heightening seat; 3. a compression nut; 4. a lock nut; 5. pulling nails; 6. a pull rod; 7. a rotary cylinder; 8. a cone; 9. a positioning ring; 10. an elastic sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides the following technical solutions: a high-precision elastic core expanding tool of a single-sided vertical balancing machine comprises:

a balancing machine frame 1;

the upper end of the heightening seat 2 is used for placing a workpiece, a blind rivet 5 capable of moving up and down is arranged in the heightening seat 2 in a penetrating manner, a compression nut 3 is arranged at the top end of the blind rivet 5, and an elastic sleeve 10 is arranged at the upper end of the outer part of the blind rivet 5;

and the pull-down assembly is connected with the bottom end of the pull-up pin 5 and is used for driving the elastic sleeve 10 to move downwards.

The pull-down assembly comprises a pull rod 6 and a rotary air cylinder 7, the top end of the pull rod 6 is connected with the bottom end of the pull nail 5, the rotary air cylinder 7 is installed at the bottom end of the pull rod 6, a limiting seat is arranged inside the balancing machine frame 1 and below the heightening seat 2, a guide through hole for the pull rod 6 to penetrate through is formed in the limiting seat, the guide through hole and the pull nail 5 are on the same vertical line, the pull rod 6 is limited by the guide through hole, and the stability of up-and-down movement of the pull rod can be guaranteed.

In addition, the up end of heightening seat 2 is equipped with cone 8, and the cone 8 cooperates with the elastic sleeve 10, and the outside that cone 8 up end just is located blind rivet 5 is equipped with holding ring 9, and holding ring 9 cover is in blind rivet 5 outside, and holding ring 9 up end contacts the inside top of work piece.

Through the technical scheme:

in fig. 1, a is a workpiece, when the workpiece is installed, the workpiece passes through the blind rivet 5 and is placed on the heightening seat 2, then the compression nut 3 is screwed on, the workpiece can be limited from the top end of the workpiece, the workpiece is prevented from penetrating out of the top end of the blind rivet 5, then the air cylinder 7 can be rotated, the piston of the air cylinder 7 is utilized to move downwards, the blind rivet 5 is pulled by the pull rod 6, the blind rivet 5 utilizes the compression nut 3 to drive the elastic sleeve 10 to move downwards, and because the elastic sleeve 10 and the cone 8 are matched, the elastic sleeve 10 is simultaneously outwards expanded when moving downwards, the gap between a tool and the workpiece can be eliminated, and meanwhile, the workpiece is locked on the tool, so that the measurement can be directly started.

Wherein, the elastic sleeve 10 adopts a tolerance reduction and the fit clearance of the workpiece is about 0.1-0.2mm, so that the problem of difficult installation due to too small fit clearance can be solved.

After the balance measurement is completed, the piston of the rotary cylinder 7 moves upwards, and the elastic sleeve 10 is driven to move upwards through the pull rod 6 and the blind rivet 5, so that the workpiece is locked and loosened, and the workpiece is convenient to assemble and disassemble.

Further, the diameter of the compression nut 3 is larger than the inner diameter of the workpiece center through hole;

specifically, the setting of gland nut 3 diameter can guarantee its compaction effect, avoids gland nut 3 to pass the perforation in work piece center.

Further, referring to fig. 1, an external thread is provided at the outer top end of the blind rivet 5, and a lock nut 4 is screwed at the outer top end of the blind rivet 5;

specifically, the lock nut 4 screwed on the blind rivet 5 provided with the external thread is used for pressing the compression nut 3 to prevent the compression nut 3 from moving upwards.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. High-precision elastic core expanding tool of single-sided vertical balancing machine is characterized by comprising:

a balancing machine frame (1);

the lifting seat (2) is arranged on the working table surface of the balancing machine frame (1), the top end of the lifting seat (2) is used for placing a workpiece, a blind rivet (5) capable of moving up and down is arranged in the lifting seat (2) in a penetrating manner, a compression nut (3) is arranged at the top end of the blind rivet (5), and an elastic sleeve (10) is arranged at the upper end of the outer part of the blind rivet (5);

and the pull-down assembly is connected with the bottom end of the pull-down pin (5) and is used for driving the elastic sleeve (10) to move downwards.

2. The high-precision elastic core expanding tool of the single-sided vertical balancing machine according to claim 1, wherein the high-precision elastic core expanding tool is characterized in that: the pull-down assembly comprises a pull rod (6) and a rotary air cylinder (7), the top end of the pull rod (6) is connected with the bottom end of the pull nail (5), and the rotary air cylinder (7) is arranged at the bottom end of the pull rod (6).

3. The high-precision elastic core expanding tool of the single-sided vertical balancing machine according to claim 2, wherein the high-precision elastic core expanding tool is characterized in that: the upper end face of the heightening seat (2) is provided with a cone (8), and the cone (8) is matched with the elastic sleeve (10) in a cone mode.

4. The high-precision elastic core expanding tool of the single-sided vertical balancing machine according to claim 3, wherein the high-precision elastic core expanding tool is characterized in that: external threads are formed in the outer top end of the blind rivet (5), and a locking nut (4) is screwed and connected to the outer top end of the blind rivet (5).

5. The high-precision elastic core expanding tool of the single-sided vertical balancing machine according to claim 4, wherein the high-precision elastic core expanding tool is characterized in that: the upper end face of the cone (8) is provided with a positioning ring (9) outside the blind rivet (5).

6. The high-precision elastic core expanding tool of the single-sided vertical balancing machine according to claim 5, wherein the high-precision elastic core expanding tool is characterized in that: the diameter of the compression nut (3) is larger than the inner diameter of the workpiece center through hole.