CN216283331U

CN216283331U - Geometric tolerance measuring device

Info

Publication number: CN216283331U
Application number: CN202122663973.1U
Authority: CN
Inventors: 刘秋梅; 伍军辉
Original assignee: Jiangxi Water Resources Institute
Current assignee: Jiangxi Water Resources Institute
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-12
Anticipated expiration: 2031-11-02

Abstract

The utility model relates to the technical field of industrial detection, in particular to a geometric tolerance measuring device. The clamping mechanism designed by the utility model vertically fixes the part to be measured, reduces the influence of gravity on the pressure sensor, and improves the measurement precision of form and position tolerance. The designed ball is in rolling contact with the surface of the part to be detected, so that friction is effectively reduced, the friction resistance is reduced, the detection result is influenced, pre-pressure can be generated in advance through the monitoring handle, and the risk that the detection result is inaccurate due to the fact that the part to be detected and the ball of the detection mechanism generate a gap when a worker operates in an irregular mode is solved.

Description

Geometric tolerance measuring device

Technical Field

The utility model relates to the technical field of industrial detection, in particular to a geometric tolerance measuring device.

Background

The existing workpiece needs to be subjected to form and position tolerance detection after production is completed, but for some parts with higher precision, the detection result is inaccurate due to the influence of external factors. For example, when the parts to be detected are fixed at incorrect positions, the detection results may have large differences, and when some parts with high precision are detected by using the pressure sensor, large measurement errors may occur due to the influence of gravity.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a form and position tolerance measuring device.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a geometric tolerance measuring device, includes mount pad, fixture and detection mechanism, its characterized in that, the mount pad includes the base, is provided with the mounting panel on the base, and open at the mounting panel middle part has the spout, and spout both sides face is opened has the spacing groove, and the position that the mounting panel back leaned on is provided with the display screen.

Further, fixture is including setting up two grip slipper in the mounting panel side, and threaded connection has first threaded rod on the grip slipper, and the side that the mounting panel was kept away from to first threaded rod is provided with the centre gripping handle, and the one end that first threaded rod is close to the spout is provided with the grip block.

Furthermore, the clamping plate is provided with anti-skid lines.

Further, detection mechanism is including setting up the slider inside the spout, and the slider both sides are provided with the stopper of symmetric distribution, stopper and spacing groove cooperation, and slider female connection has the second threaded rod, and the one end that the mounting panel was kept away from to the second threaded rod is provided with the detection handle, and the one end that the second threaded rod is close to the mounting panel is fixed with the fixing base, installs pressure sensor in the fixing base, and one side that detection handle was kept away from to pressure sensor is provided with the ball mount pad, and one side that detection handle was kept away from to the ball mount pad is provided with the ball.

The utility model has the beneficial effects that:

1. the clamping mechanism designed by the utility model vertically fixes the part to be measured, reduces the influence of gravity on the pressure sensor, and improves the measurement precision of form and position tolerance.

2. The ball designed by the utility model is in rolling contact with the surface of the part to be detected, so that the friction force is effectively reduced, the influence of the friction resistance on the detection result is reduced, pre-pressure can be generated in advance through the monitoring handle, and the risk of inaccurate detection result caused by clearance between the part to be detected and the ball of the detection mechanism due to nonstandard operation of workers is solved.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is a schematic view of the structure of the detecting mechanism;

fig. 4 is a schematic cross-sectional view of the detection mechanism.

The reference numbers in the figures illustrate:

1. a mounting seat; 11. a base; 12. mounting a plate; 121. a chute; 122. a limiting groove; 123. a display screen; 2. a clamping mechanism; 21. a clamping seat; 22. a clamping handle; 23. a first threaded rod; 24. a clamping plate; 241. anti-skid lines; 3. a detection mechanism; 31. a slider; 311. a limiting block; 32. detecting a handle; 33. a second threaded rod; 331. a fixed seat; 332. a pressure sensor; 34. a ball mounting seat; 35. and a ball.

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.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

A geometric tolerance measuring device comprises a mounting seat 1, a clamping mechanism 2 and a detection mechanism 3. As shown in fig. 1, the mounting base 1 includes a base 11, a mounting plate 12 is disposed on the base 11, a sliding groove 121 is formed in the middle of the mounting plate 12, two side surfaces of the sliding groove 121 are provided with limiting grooves 122, and a display screen 123 is disposed at a position on the back of the mounting plate 12.

The clamping mechanism 2 comprises two clamping seats 21 arranged on the side surface of the mounting plate 12, a first threaded rod 23 is connected to each clamping seat 21 in a threaded mode, a clamping handle 22 is arranged on the side surface, away from the mounting plate 12, of each first threaded rod 23, a clamping plate 24 is arranged at one end, close to the sliding groove 121, of each first threaded rod 23, and anti-skidding threads 241 are formed in each clamping plate 24.

As shown in fig. 1, 2 and 3, the detecting mechanism 3 includes a sliding block 31 disposed inside the sliding groove 121, two sides of the sliding block 31 are provided with symmetrically distributed limit blocks 311, and the limit blocks 311 are matched with the limit grooves 122. Slider 31 female connection has second threaded rod 33, and the one end that mounting panel 12 was kept away from to second threaded rod 33 is provided with detection handle 32, and the one end that second threaded rod 33 is close to mounting panel 12 is fixed with fixing base 331, installs pressure sensor 332 in the fixing base 331, and one side that detection handle 32 was kept away from to pressure sensor 332 is provided with ball mount 34, and one side that detection handle 32 was kept away from to ball mount 34 is provided with ball 35.

The working principle is as follows:

when the device works, the clamping handle 22 is rotated firstly, the part to be detected with form and position tolerance is fixed by the clamping plate 24, the surface to be detected of the part is made to be tightly attached to the mounting plate 12, then the detection handle 32 is rotated, the position of the ball 35 is adjusted, the ball 35 is made to be tightly attached to the part to be detected, and certain pre-pressure is generated. Then, the slide block 31 is slid to roll the ball 35 along the surface of the part, and when the surface of the part changes, the value of the pressure sensor 332 changes, and finally the change can be converted into the form and position tolerance of the part. And the results are displayed on the display screen 123.

The beneficial effects are as follows:

the clamping mechanism 2 designed by the utility model vertically fixes the part to be measured, reduces the influence of gravity on the pressure sensor and improves the measurement precision of form and position tolerance.

The ball 35 designed by the utility model is in rolling contact with the surface of the part to be detected, so that the friction force is effectively reduced, the influence of the friction resistance on the detection result is reduced, pre-pressure can be generated in advance through the monitoring handle, and the risk of inaccurate detection result caused by clearance between the part to be detected and the ball 35 of the detection mechanism 3 due to nonstandard operation of workers is solved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a geometric tolerance measuring device, includes mount pad (1), fixture (2) and detection mechanism (3), its characterized in that, mount pad (1) is provided with mounting panel (12) including base (11) on base (11), and open mounting panel (12) middle part has spout (121), and spout (121) both sides face is opened has spacing groove (122), and the position that mounting panel (12) back leaned on is provided with display screen (123).

2. A geometric tolerance measuring device according to claim 1, wherein the clamping mechanism (2) comprises two clamping seats (21) arranged on the side of the mounting plate (12), a first threaded rod (23) is connected to the clamping seats (21) in a threaded manner, a clamping handle (22) is arranged on the side of the first threaded rod (23) far away from the mounting plate (12), and a clamping plate (24) is arranged on the end of the first threaded rod (23) close to the sliding groove (121).

3. A geometric tolerance measuring device according to claim 2, wherein the holding plate (24) is provided with anti-slip lines (241).

4. The geometric tolerance measuring device according to claim 1, wherein the detecting mechanism (3) comprises a sliding block (31) arranged inside the sliding groove (121), two sides of the sliding block (31) are provided with symmetrically distributed limiting blocks (311), the limiting blocks (311) are matched with limiting grooves (122), the sliding block (31) is internally threaded with a second threaded rod (33), one end of the second threaded rod (33) far away from the mounting plate (12) is provided with a detecting handle (32), one end of the second threaded rod (33) close to the mounting plate (12) is fixed with a fixing seat (331), a pressure sensor (332) is installed in the fixing seat (331), one side of the pressure sensor (332) far away from the detecting handle (32) is provided with a ball mounting seat (34), and one side of the ball mounting seat (34) far away from the detecting handle (32) is provided with a ball (35).