CN208254447U - A roundness and cylindricity shape measuring instrument - Google Patents

Abstract

The utility model discloses a roundness cylindricity shape measuring instrument, which comprises a workbench, supporting rods and motors, wherein the lower end of the workbench is provided with a base, the number of the bases is four, the four bases are distributed in a rectangular array relative to the workbench, the upper end of the workbench is provided with an upright post, an air cylinder is arranged in the upright post, a piston rod is arranged on the air cylinder, and the piston rod is connected with the support rod, the end face of the side of the upright post is provided with a sliding groove, the support rod is arranged in the sliding groove through a sliding block, a telescopic rod is arranged in the support rod in a sliding way, the tail end of the telescopic rod is provided with a sensor, and the side end face of the sensor is provided with a measuring head, the motor penetrates through the workbench and is arranged at the lower end of the workbench through a fixing frame, a turntable is arranged on an output shaft of the motor, a chuck is arranged on the turntable, a movable cavity is arranged in the chuck, and a spring is arranged in the movable cavity. The utility model has the advantages of adjustable gauge head position is convenient to measure and can fix irregular, not equidimension cylinder.

Description

A roundness and cylindricity shape measuring instrument

technical field

The utility model relates to. The technical field is specifically a roundness, cylindricity and shape measuring instrument.

Background technique

A roundness meter is a length measuring tool that uses the rotary axis method to measure roundness. The roundness meter is a measuring tool that uses the rotary axis method to measure the roundness error of the workpiece. The roundness meter is divided into two types: sensor rotary type and table rotary type. During measurement, the tested part is installed concentrically with the precision shaft system, and the precision shaft system carries an inductive length sensor or a worktable for precise circular motion. In the traditional roundness and cylindricity measurement, multiple sensors are often used. Due to the large size of the device, high installation and debugging requirements, and high cost, it is difficult to adapt to on-site measurement, and for the measurement of irregular cylinders, the probe The position cannot be changed, and it cannot be fixed for cylinders of different sizes, which brings inconvenience to the measurement.

Utility model content

The purpose of the utility model is to provide a roundness, cylindricity and shape measuring instrument, which has the advantage that the position of the measuring head can be adjusted to facilitate the measurement of irregular cylinders, and solves the disadvantage that it cannot be fixed for cylinders of different sizes.

In order to achieve the above object, the utility model provides the following technical solutions: a roundness cylindricity shape measuring instrument, including a workbench, a support rod and a motor, the upper end of the workbench is equipped with a column, and the side end surface of the column is provided with a sliding groove, The support rod is installed in the sliding groove through a slider, and a telescopic rod is slidably installed in the support rod. The motor runs through the workbench and is installed at the lower end of the workbench through a fixing frame. A turntable is installed on the motor output shaft, and a turntable is installed on the turntable The chuck is provided with a movable chamber inside the chuck, and a spring is installed in the movable chamber.

Preferably, bases are installed on the lower end of the workbench, and there are four bases in total, and the four bases are distributed in a rectangular array with respect to the workbench.

Preferably, a sensor is installed at the end of the telescopic rod, and a measuring head is installed on the side end surface of the sensor.

Preferably, a cylinder is installed in the column, a piston rod is installed on the cylinder, and the piston rod is connected with the support rod.

Preferably, a fixed block is slidably installed on the upper end of the chuck, the fixed block is connected to the spring through a connecting rod, and the measured cylinder is fixed between the fixed blocks.

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

1. In the utility model, by setting the telescopic rod, the position of the measuring head cannot be changed during the measurement of the irregular cylinder, which brings inconvenience to the measurement. By sliding the telescopic rod in the support rod, the telescopic rod can be extended or shortened, which can make the The position of the measuring head is changed, so that the measuring head can fit the surface of the cylinder to be measured, thereby facilitating the measurement of the cylinder, and achieving the effect that the position of the measuring head can be changed by adjusting the telescopic rod.

2. The utility model is equipped with a cylinder, and the piston rod can be raised or lowered through the operation of the cylinder, and the piston rod can drive the support rod to move up and down, so that the measuring head can be fitted and measured at different positions of the cylinder, and the cylinder can be measured conveniently. The high-degree shape achieves the effect that the support rod can be raised and lowered. By setting the fixed block, it is impossible to fix irregular or different-sized cylinders during the measurement, which brings inconvenience to the measurement. The fixed block can be pulled apart by pulling the fixed block. , place the cylinder vertically on the chuck, pull the fixed block back by the tension of the spring, and the fixed block can fix the cylinder at the center of the chuck, which can facilitate the measurement of different sizes and irregular cylinders, and achieves a fixed The effect of cylinders of different sizes.

Description of drawings

Fig. 1 is the main view structure schematic diagram of the utility model;

Fig. 2 is the side view structural representation of the utility model;

Fig. 3 is an enlarged view of A in Fig. 1 of the present utility model.

In the figure: 1. Workbench; 2. Support rod; 3. Motor; 11. Base; 12. Column; 13. Piston rod; 14. Cylinder; 15. Slide groove; 21. Telescopic rod; Measuring head; 24, slider; 31, fixed frame; 32, turntable; 33, movable cavity; 34, chuck; 35, measured cylinder; 36, fixed block; 37, connecting rod; 38, spring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "another end" The orientation or positional relationship indicated by ", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, so as to Specific orientation configurations and operations, therefore, should not be construed as limitations on the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise specified and limited, the terms "installed", "set with", "connected", etc. should be understood in a broad sense, such as "connected", which can be a fixed The connection can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the utility model can be understood in specific situations

Please refer to Fig. 1 to Fig. 3, a kind of embodiment provided by the utility model: a kind of roundness cylindricity shape measuring instrument, comprises workbench 1, support rod 2 and motor 3, and the lower end of workbench 1 is equipped with base 11, There are four bases 11, and the four bases 11 are distributed in a rectangular array with respect to the workbench 1. A column 12 is installed on the upper end of the workbench 1. A cylinder 14 is installed in the column 12. A piston rod 13 is installed on the cylinder 14. The piston rod 13 is connected to the support rod 2. By setting the cylinder 14, the piston rod 13 can be raised or lowered by the operation of the cylinder 14, and the piston rod 13 can drive the support rod 2 to move up and down, so that the measuring head 23 can be positioned at different positions from the cylinder. The fitting measurement can conveniently measure the shape of the cylindricity and achieve the effect that the support rod 2 can be raised and lowered.

The side end surface of the column 12 is provided with a slide groove 15, and the support rod 2 is installed in the slide groove 15 by a slide block 24. A telescopic rod 21 is slidably installed in the support rod 2, and a sensor 22 is installed at the end of the telescopic rod 21, and the side of the sensor 22 A measuring head 23 is installed on the end surface, and the side head 23 is attached to the cylinder. By setting the telescopic rod 21, the position of the measuring head cannot be changed during the measurement of the irregular cylinder, which brings inconvenience to the measurement. The rod 21 can extend or shorten the telescopic rod 21, and can change the position of the measuring head 23, so that the measuring head 23 can be attached to the surface of the measured cylinder 35, so that the cylinder can be measured conveniently, and the adjustment of the telescopic rod 21 can be achieved. The effect of the position of the probe 23 can be changed.

The motor 3 runs through the workbench 1 and is installed on the lower end of the workbench 1 through a fixed frame 31. A turntable 32 is installed on the output shaft of the motor 3, and a chuck 34 is installed on the turntable 32. The turntable 32 can drive the chuck 34 to rotate through the operation of the motor 3. , the chuck 34 stops after rotating for one week. During the rotation of the chuck 34, the measuring head 23 can measure the measured cylinder 35. The chuck 34 is provided with a movable chamber 33, and a spring 38 is installed in the movable chamber 33. The chuck 34 The upper end of the fixed block 36 is slidably installed, and the fixed block 36 is connected with the spring 38 through the connecting rod 37. The measured cylinder 35 is fixed between the fixed blocks 36. By setting the fixed block 36, it is impossible to measure for irregular or different sizes. The cylinder is fixed, which brings inconvenience to the measurement. By pulling the fixed block 36, the fixed block 36 can be pulled apart, and the cylinder is vertically placed on the chuck 34. The fixed block 36 is pulled back by the pulling force of the spring 38, and the fixed block 36 can fix the cylinder at the center position of the chuck 34, which can facilitate the measurement of cylinders of different sizes and irregularities, and achieve the effect of fixing cylinders of different sizes.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. a kind of circularity cylindrical form measuring instrument, including workbench (1), support rod (2) and motor (3), it is characterised in that: institute The upper end for stating workbench (1) is equipped with column (12), and column (12) side end face offers sliding groove (15), the support rod (2) It is mounted in sliding groove (15), is slidably fitted with telescopic rod (21) in support rod (2), the motor (3) is passed through by sliding block (24) The lower end that workbench (1) is mounted on workbench (1) by fixed frame (31) is worn, turntable (32) are installed on motor (3) output shaft, It is equipped on turntable (32) chuck (34), is equipped with movable chamber (33) in the chuck (34), spring is installed in movable chamber (33) (38)。

2. a kind of circularity cylindrical form measuring instrument according to claim 1, it is characterised in that: the workbench (1) Lower end is equipped with pedestal (11), and there are four pedestal (11) is set altogether, and four pedestals (11) are about workbench (1) rectangular array point Cloth.

3. a kind of circularity cylindrical form measuring instrument according to claim 1, it is characterised in that: the telescopic rod (21) End is equipped with sensor (22), and the side end face of sensor (22) is equipped with gauge head (23).

4. a kind of circularity cylindrical form measuring instrument according to claim 1, it is characterised in that: peace in the column (12) It equipped with cylinder (14), is equipped on cylinder (14) piston rod (13), and piston rod (13) is connect with support rod (2).

5. a kind of circularity cylindrical form measuring instrument according to claim 1, it is characterised in that: the chuck (34) it is upper End is slidably fitted with fixed block (36), and fixed block (36) is connect by connecting rod (37) with spring (38), between fixed block (36) It is fixed with tested cylinder (35).