CN207231364U - A kind of counter sink aperture measurement device - Google Patents

Abstract

The utility model discloses a counterbore aperture measuring device, which comprises a base body, a dial indicator and a spherical measuring head, the dial indicator is connected with a spherical measuring head through a measuring rod, and a sleeve a cylinder; a support rod is provided above the seat body, and a cross bar is slidably connected to the support rod, and the cross bar is fixedly connected with the sleeve. The beneficial effect is that: adopting the structure of the spherical measuring head, the dial indicator can be debugged by using the standard workpiece, and the magnetic seat, the support rod and the cross bar can be used to support and position, and then the diameter of the countersink hole can be measured by using the device after debugging. Read the offset of the dial indicator to determine the processing deviation, which is convenient for adjusting the processing equipment and improving the processing accuracy.

Description

A countersink hole diameter measuring device

technical field

The utility model relates to the field of measuring devices for countersunk holes of workpieces, in particular to a measuring device for countersunk holes.

Background technique

In the machining workshop, many equipment or components need to be connected with countersunk fasteners. In the connection hole, the angle processing of the countersunk hole will seriously affect the strength of the connection part and the service life of the equipment. However, the current online detection The method of countersunk hole diameter is cumbersome and inconvenient to measure, which is not conducive to grasping the accuracy of online processing, so we design a countersunk hole diameter measuring device.

Utility model content

The purpose of this utility model is to provide a countersink hole diameter measurement device in order to solve the current inconvenience of on-line detection of countersunk holes, which is not conducive to grasping the processing accuracy. The last measuring head is used to detect the hole diameter of the workpiece, and when there is a deviation, it will be displayed on the dial indicator, which is simple and convenient to use.

The utility model realizes above-mentioned purpose through following technical scheme:

A counterbore aperture measuring device, comprising a seat body, a dial indicator and a spherical probe, the dial indicator is connected to the spherical probe through a measuring rod, and a sleeve is nested outside the measuring rod; the seat A support rod is arranged above the body, and a cross bar is slidably connected to the support rod, and the cross bar is fixedly connected with the sleeve.

Further, the spherical measuring head is provided with a threaded hole, and the spherical measuring head is connected with the measuring rod through threads.

Further, the end of the cross bar is provided with a T-shaped rod head, and a T-shaped chute is opened in the support rod, and the rod head slides up and down along the chute;

And one side of the support rod is provided with a notch, and the locking screw can pass through the notch to lock the cross bar.

Further, the base body is a magnetic base, which can be fixed on the workbench.

Further, the cross bar is fixedly connected to the sleeve through a clamp.

With the above structure, when measuring, first place the spherical probe in the countersink hole of the standard workpiece for debugging, when the spherical probe touches the surface of the countersink hole, adjust the pointer of the dial indicator to the zero scale as a standard; During online production measurement, place the spherical measuring head of the adjusted measuring device in the countersunk hole. At this time, use the magnetic base to adsorb on the workbench, and use the support rod and cross bar to support to ensure the measurement When there is an error in the diameter of the countersunk hole of the workpiece, the pointer of the dial indicator will deflect, which is convenient for workers to observe the deviation of the diameter of the countersunk hole, so that the processing accuracy of online production can be adjusted, and it is easy to use.

To sum up, the beneficial effect of the utility model is that: adopting the structure of the spherical measuring head, the dial indicator can be debugged by using the standard workpiece, and the magnetic base, the support bar and the cross bar can be used for positioning, and then the adjusted device can be used to measure The aperture of the countersink can read the offset of the dial indicator to determine the machining deviation, which is convenient for adjusting the machining equipment and improving the machining accuracy.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a state structural diagram when the standard part of the utility model is debugged;

Fig. 2 is a state structure diagram during workpiece measurement of the present utility model;

Fig. 3 is a structural diagram of a support rod of the present utility model;

Fig. 4 is a cooperative structural diagram of a support bar and a cross bar of the present invention.

The reference signs are explained as follows:

1. Dial indicator; 2. Sleeve; 3. Measuring rod; 4. Spherical probe; 5. Workpiece; 6. Workbench; 7. Base; 8. Support rod; 9. Cross bar; 10. Chute ; 11, locking screw; 12, notch.

Detailed ways

In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other implementations obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

Referring to Fig. 1-Fig. 4, the utility model provides a counterbore aperture measuring device, comprising a seat body 7, a dial indicator 1 and a spherical measuring head 4, and the dial indicator 1 is connected with a measuring rod 3 Spherical measuring head 4, the spherical measuring head 4 can be in contact with the countersunk hole, sense the aperture of the countersinking hole, and transmit the force to the dial indicator 1 through the measuring rod 3 for measurement, and the outside of the measuring rod 3 is nested with Sleeve 2, the sleeve 2 is used to protect the measuring rod 3; a support rod 8 is provided above the base body 7, and a cross bar 9 is slidably connected to the support rod 8, and the cross bar 9 and the sleeve 2 Fixed connection, adopting the sliding structure of the support bar 8 and the cross bar 9, it is convenient to adjust the height of the measuring device.

As a preferred embodiment, the spherical probe 4 is provided with a threaded hole, and the spherical probe 4 is connected to the measuring rod 3 through threads.

For the convenience of crossbar 9 and sliding up and down along the support rod 8 to adjust the height, the end of the crossbar 9 is provided with a T-shaped rod head, and the inside of the support rod 8 is provided with a T-shaped chute 10, so The rod head slides up and down along the chute 10;

And a notch 12 is opened on one side of the support rod 8 , the locking screw 11 can pass through the notch 12 to lock the cross bar 9 , and the notch 12 is used to pass the locking screw 11 .

For convenient positioning and fixing, the base body 7 is a magnetic base, which can be fixed on the workbench 6 .

In order to facilitate the detachable connection of the crossbar 9 and the sleeve 2, the crossbar 9 and the sleeve 2 are fixedly connected by a clamp.

With the above structure, when measuring, first place the spherical probe 4 in the counterbore hole of the standard workpiece 5 for debugging, when the spherical probe 4 touches the surface of the counterbore, adjust the pointer of the dial gauge 1 to zero The scale is used as a standard; during on-line production measurement, the spherical probe 4 of the debugged measuring device is placed in the counterbore, at this time, the magnetic base is used to adsorb on the workbench 6, and the support rod 8 It is supported by the cross bar 9 to ensure the accuracy of the measurement. When there is an error in the diameter of the countersunk hole of the workpiece 5, the pointer of the dial indicator 1 will deflect, which is convenient for the worker to observe the deviation of the countersunk hole diameter, so that the on-line adjustment can be adjusted. Production processing precision, easy to use.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the scope of protection of the utility model, the utility model There will also be various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their effects.

Claims (5)

1. A counterbore aperture measuring device, characterized in that: it comprises a base (7), a dial indicator (1) and a spherical measuring head (4), and the dial indicator (1) passes through a measuring rod (3) A spherical measuring head (4) is connected, and a sleeve (2) is nested on the outside of the measuring rod (3); a support rod (8) is provided above the base body (7), and the support rod (8) is A crossbar (9) is slidingly connected, and the crossbar (9) is fixedly connected with the sleeve (2). 2. A counterbore aperture measuring device according to claim 1, characterized in that: said spherical measuring head (4) is provided with a threaded hole, and said spherical measuring head (4) is threaded with said measuring Rod (3) is connected. 3. A countersink hole diameter measuring device according to claim 1, characterized in that: the end of the crossbar (9) is provided with a T-shaped rod head, and the support rod (8) is provided with a T-shaped chute (10), the rod head slides up and down along the chute (10); Moreover, a notch (12) is opened on one side of the support rod (8), and a locking screw (11) can pass through the notch (12) to lock the cross bar (9). 4. A countersink hole diameter measuring device according to claim 1, characterized in that: the base (7) is a magnetic base, which can be fixed on the workbench (6). 5 . The counterbore diameter measuring device according to claim 1 , characterized in that: the crossbar ( 9 ) is fixedly connected to the sleeve ( 2 ) through a clamp. 5 .