CN219265168U - Quick measuring ruler for size of precision mechanical part - Google Patents

Abstract

The utility model discloses a quick measuring ruler for the size of a precision mechanical part, which comprises a workbench, a clamping rotating assembly and a measuring and adjusting assembly, wherein a controller is arranged at the upper end of the workbench; the clamping and rotating assembly comprises a chuck which is arranged at the upper end of the workbench and is used for horizontally fixing the bearing ring, and a turntable capable of driving the chuck to horizontally rotate is arranged at the bottom of the chuck; in order to facilitate measurement of the bearing ring, after the bearing ring is fixed by the chuck, a worker can directly rotate the hand wheel and the bidirectional threaded screw rod, the sliding blocks at two sides can form relative synchronous movement under the threaded stress and drive the electronic dial indicator to approach to the direction of the bearing ring until the measuring probe is abutted to the outer wall of the bearing ring, and the numerical value of the electronic dial indicator is zeroed by the controller at the moment, so that the effect of quick preparation is achieved, the operation is quite simple, and the measuring efficiency is effectively improved.

Description

Quick measuring ruler for size of precision mechanical part

Technical Field

The utility model relates to the technical field of mechanical part specification detection, in particular to a quick measuring ruler for the size of a precision mechanical part.

Background

The mechanical parts are also called mechanical parts and mechanical elements, and are non-separable single parts for forming machines and machines; some mechanical parts are easy to deform or damage in the process of processing and using, and after the bearing is used as an important mechanical part, the outer edge size of the bearing is measured, the qualification of the bearing is detected, and whether the bearing is deformed or not is detected.

Currently, the measurement and detection of bearings are more common with dial indicator detection and vernier detection; according to the prior art, the dial indicator can only measure the relative error of the outer diameter of the bearing ring and cannot measure the absolute error and the relative value, so that a vernier caliper is generally used, and the vernier caliper can measure the absolute size and the value between the relative diameter points of the bearing ring, but is difficult to quickly measure the error between the maximum diameter and the minimum diameter, because theoretically, one circle of circumference of the bearing has countless relative points, if the aim is achieved by a conventional measuring mode, the aim is obviously unrealistic, and the speed is extremely slow; but can reflect whether the bearing ring is qualified or evaluate the absolute error between the diameters of the bearing ring and the bearing ring; therefore, we propose a quick measuring ruler for the size of precision mechanical parts.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

Accordingly, an object of the present utility model is to provide a fast measuring ruler for measuring dimensions of precision mechanical parts, which solves the problem that the existing measurement and detection for bearings proposed in the above-mentioned background art cannot or hardly reflect absolute errors between the large and small diameters of the bearings.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a precision mechanical part size rapid measurement ruler, comprising:

the upper end of the workbench is provided with a controller;

the clamping and rotating assembly comprises a chuck which is arranged at the upper end of the workbench and is used for horizontally fixing the bearing ring, and a turntable capable of driving the chuck to horizontally rotate is arranged at the bottom of the chuck;

the measuring and adjusting assembly comprises a rail frame horizontally arranged above the workbench, sliding blocks are relatively slid on two sides of the bottom of the rail frame along the length direction of the rail frame, an electronic dial indicator electrically connected with the controller is fixedly arranged at the lower end of each sliding block, and measuring probes of the electronic dial indicator are respectively directed at two lateral sides of the bearing ring;

the measuring probes at the end parts of the electronic dial indicators are respectively abutted against two opposite sides of the outer wall of the bearing ring through adjusting the sliding blocks, the chuck and the bearing ring are driven to horizontally rotate through the rotary table, and the maximum phase difference value and the minimum phase difference value measured by the two electronic dial indicators can be transmitted to the controller in real time, and the absolute error is calculated by the controller.

As a preferable scheme of the sealing ring discharging device of the spray head pump, the two sides of the top of the workbench are also provided with supporting frames for erecting and fixing the rail frames.

As a preferable scheme of the discharging device of the sealing ring of the spray head pump, the clamping and rotating assembly further comprises a rotating shaft vertically fixed at the axis of the bottom of the turntable and a motor for driving the rotating shaft to rotate through the gear assembly, and the motor is electrically connected with the controller.

As a preferable scheme of the sealing ring discharging device of the spray head pump, the measuring and adjusting assembly further comprises a linear sliding rail arranged in the rail frame and in sliding connection with the sliding blocks, a bidirectional threaded lead screw penetrating through the length direction of the inner side of the rail frame and in threaded connection with the sliding blocks on two sides, and a hand wheel arranged on the outer side of the rail frame and fixedly connected with one end of the bidirectional threaded lead screw.

As a preferable scheme of the sealing ring discharging device of the spray head pump, the bottom of the sliding block is also provided with a mounting rod for connecting an electronic dial indicator.

Compared with the prior art, the utility model has the beneficial effects that: the quick measuring ruler for the size of the precision mechanical part can drive the bearing ring to horizontally rotate at a uniform speed through mutual coordination of the motor, the turntable, the chuck and the like, meanwhile, the electronic dial indicators on two sides can form quick and stable measurement on the outer diameter relative points of the bearing ring through the measuring probe, and meanwhile, the maximum phase difference value and the minimum phase difference value measured by the two electronic dial indicators can be timely transmitted to the controller, and the absolute error of the bearing part is calculated by the controller, so that the quick measuring ruler is simple and efficient to operate.

Drawings

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

fig. 2 is a schematic diagram of a distribution structure of an electronic dial indicator according to the present utility model.

In the figure: 100. a work table; 110. a controller; 200. clamping the rotating assembly; 210. a chuck; 220. a turntable; 220a, a rotating shaft; 230. a motor; 300. a measurement adjustment assembly; 310. a rail frame; 310a, linear slide rails; 320. a slide block; 320a, mounting a rod; 330. an electronic dial indicator; 340. a two-way threaded screw; 340a, a hand wheel; H. and a bearing ring.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Fig. 1-2 are schematic views showing the whole structure of a precision mechanical part size quick measuring tape according to the present utility model, referring to fig. 1-2, a precision mechanical part size quick measuring tape according to the present embodiment includes a table 100, a clamping and rotating assembly 200, and a measuring and adjusting assembly 300.

The upper end of the workbench 100 is provided with a controller 110, specifically, two sides of the top of the workbench 100 are also provided with supporting frames for erecting and fixing the rail frames 310, and the controller 110 arranged at the upper end of the workbench is convenient for a worker to quickly know the measured size values for the supporting bodies of the clamping rotating assembly 200 and the measuring adjusting assembly 300.

The clamping and rotating assembly 200 comprises a chuck 210 which is arranged at the upper end of the workbench 100 and is used for horizontally fixing a bearing ring H, a turntable 220 which can drive the chuck 210 to horizontally rotate is arranged at the bottom of the chuck 210, in the embodiment, the clamping and rotating assembly 200 further comprises a rotating shaft 220a which is vertically fixed at the bottom axle center of the turntable 220, and a motor 230 which drives the rotating shaft 220a to rotate through a gear assembly, and the motor 230 is electrically connected with the controller 110, in order to achieve the aim of relatively quick measurement of the outer diameter of the bearing ring H, during operation, the motor 230 can drive the rotating shaft 220a and the turntable 220 to rotate at a uniform speed through a gear set, and then the chuck 210 and the bearing ring H are driven to horizontally rotate through the turntable 220, and in this process, the electronic dial indicators 330 positioned at two sides can form quick and stable radial measurement on the bearing ring H, so that the operation is simple and practical.

Further, the chuck 210 may employ a three-grip chuck that has an axis centering feature for gripping a circular part and grips bearing rings H of different sizes within a certain range.

The measuring and adjusting assembly 300 comprises a rail frame 310 horizontally arranged above the workbench 100, sliding blocks 320 are relatively arranged on two sides of the bottom of the rail frame 310 along the length direction of the rail frame, an electronic dial indicator 330 electrically connected with a controller 110 is fixedly arranged at the lower end of each sliding block 320, a measuring probe 330a of the electronic dial indicator 330 points to two transverse sides of a bearing ring H respectively, in the embodiment, the measuring and adjusting assembly 300 further comprises a linear sliding rail 310a arranged inside the rail frame 310 and in sliding connection with the sliding blocks 320, a two-way threaded lead screw 340 penetrating through the inner side length direction of the rail frame 310 and in threaded connection with the sliding blocks 320 on two sides, and a hand wheel 340a arranged outside the rail frame 310 and fixedly connected with one end of the two-way threaded lead screw 340, in order to facilitate measurement of the bearing ring H, after the bearing ring H is fixed by the chuck 210, a worker can directly rotate the hand wheel 340a and the two-way threaded lead screw 340, and the two-way lead screws 320 can form relative synchronous movement under the thread stress, and drive the electronic dial indicator 330 to approach the direction of the bearing ring H until the measuring probe 330a abuts against the outer wall of the bearing ring H, the electronic dial indicator 330 can achieve a very simple and effective measurement efficiency, and the numerical value can be prepared by the controller 110.

Further, the bottom of the slider 320 is further provided with a mounting bar 320a for the electronic dial indicator 330, where the mounting bar 320a may be configured as a liftable structure or a fixed structure, which is configured according to specific requirements on the size of the part and the measurement location.

In summary, in the fast measuring rule for the size of the precision mechanical part according to the present embodiment, during measurement, a worker can directly rotate the hand wheel 340a and the bidirectional threaded screw 340, and the two side sliders 320 can form a relative synchronous movement under the threaded stress, and drive the electronic dial indicator 330 to approach the direction of the bearing ring H until the measuring probe 330a abuts against the outer wall of the bearing ring H, at this time, the numerical value of the electronic dial indicator 330 is zeroed by the controller 110, thereby achieving the fast preparation effect, the operation is very simple, and the measurement efficiency is effectively improved.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (5)

1. A quick measuring ruler for the size of a precision mechanical part is characterized by comprising

A workbench (100) with a controller (110) arranged at the upper end;

the clamping and rotating assembly (200) comprises a chuck (210) which is arranged at the upper end of the workbench (100) and is used for horizontally fixing a bearing ring (H), and a turntable (220) capable of driving the chuck (210) to horizontally rotate is arranged at the bottom of the chuck (210);

the measuring and adjusting assembly (300) comprises a rail frame (310) horizontally arranged above the workbench (100), sliding blocks (320) are relatively slid on two sides of the bottom of the rail frame (310) along the length direction of the rail frame, an electronic dial indicator (330) electrically connected with the controller (110) is fixedly arranged at the lower end of each sliding block (320), and measuring probes (330 a) of the electronic dial indicator (330) are respectively pointed at two transverse sides of the bearing ring (H);

the measuring probes (330 a) at the end parts of the electronic dial indicators (330) are respectively abutted to two opposite sides of the outer wall of the bearing ring (H) through adjusting the sliding blocks (320), meanwhile, the chuck (210) and the bearing ring (H) are driven to horizontally rotate through the rotary table (220), and the maximum difference value and the minimum difference value measured by the two electronic dial indicators (330) can be transmitted to the controller (110) in real time, and the absolute error is calculated by the controller (110).

2. The precision mechanical part size rapid measurement ruler according to claim 1, wherein: the two sides of the top of the workbench (100) are also provided with supporting frames for erecting and fixing the rail frames (310).

3. The precision mechanical part size rapid measurement ruler according to claim 1, wherein: the clamping and rotating assembly (200) further comprises a rotating shaft (220 a) vertically fixed at the bottom axle center of the turntable (220) and a motor (230) which drives the rotating shaft (220 a) to rotate through a gear assembly, and the motor (230) is electrically connected with the controller (110).

4. The precision mechanical part size rapid measurement ruler according to claim 1, wherein: the measuring and adjusting assembly (300) further comprises a linear sliding rail (310 a) which is arranged inside the rail frame (310) and is in sliding connection with the sliding blocks (320), a bidirectional threaded lead screw (340) which penetrates through the inner side length direction of the rail frame (310) and is in threaded connection with the sliding blocks (320) on two sides, and a hand wheel (340 a) which is arranged on the outer side of the rail frame (310) and is fixedly connected with one end of the bidirectional threaded lead screw (340).

5. The precision mechanical part size rapid measurement ruler according to claim 1, wherein: the bottom of the sliding block (320) is also provided with a mounting rod (320 a) for connecting an electronic dial indicator (330).

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