阅读说明：本技术 一种零件孔径多位置快速精确测量装置 (Multi-position rapid and accurate measuring device for part aperture ) 是由 于洪 隋晓东 王云俊 秦政琪 张春平 杨立军 于 2019-11-27 设计创作，主要内容包括：本申请属于机械检测技术领域,特别涉及一种零件孔径多位置快速精确测量装置。包括：底座、立板、滑轨支架、滑块以及测量支架。底座上可拆卸安装有圆周定位盘,圆周定位盘的中心设置有定位圆孔,定位圆孔用于安装具有内孔的待测零件；立板安装在底座上；滑轨支架固定在立板上,滑轨支架上沿垂直方向设置有手轮螺杆；滑块设置有螺纹通孔,滑块通过螺纹通孔配合安装在手轮螺杆上；测量支架设置在滑块上,测量支架上安装有三爪螺旋测微仪,三爪螺旋测微仪的测量端设置在待测零件的内孔中。本申请能够同时实现沿零件内孔轴向、周向不同测量位置的快速切换和测量工具的可靠定位,从而提高零件孔径多位置测量的效率和精度。(The application belongs to the technical field of mechanical detection, and particularly relates to a multi-position rapid and accurate measuring device for the aperture of a part. The method comprises the following steps: base, riser, slide rail support, slider and measurement support. A circumferential positioning disc is detachably mounted on the base, a positioning round hole is formed in the center of the circumferential positioning disc, and the positioning round hole is used for mounting a part to be measured with an inner hole; the vertical plate is arranged on the base; the sliding rail bracket is fixed on the vertical plate, and a hand wheel screw is arranged on the sliding rail bracket along the vertical direction; the sliding block is provided with a threaded through hole and is installed on the hand wheel screw rod in a matching way through the threaded through hole; the measuring support is arranged on the sliding block, the three-jaw screw micrometer is arranged on the measuring support, and the measuring end of the three-jaw screw micrometer is arranged in an inner hole of the part to be measured. The quick switching of the different measuring position of part hole axial, circumference and measuring tool's reliable location can be realized simultaneously to this application to improve efficiency and the precision of part aperture multiposition measurement.)

1. A multi-position fast and accurate measuring device for the bore diameter of a part is characterized by comprising:

the device comprises a base (1), wherein a circumferential positioning disc (11) is detachably mounted on the base (1), a positioning round hole is formed in the center of the circumferential positioning disc (11), and the positioning round hole is used for mounting a part to be measured with an inner hole;

the vertical plate (2), the vertical plate (2) is installed on the base (1);

the sliding rail support (3) is fixed on the vertical plate (2), and a hand wheel screw rod (31) is arranged on the sliding rail support (3) along the vertical direction;

the sliding block (4) is provided with a threaded through hole, and the sliding block (4) is installed on the hand wheel screw rod (31) through the threaded through hole in a matched mode;

measure support (5), measure support (5) and set up on slider (4), it installs three-jaw micrometer caliper (51) on support (5) to measure, the measurement end setting of three-jaw micrometer caliper (51) is in the hole of part that awaits measuring.

2. The multi-position fast and accurate measuring device for the bore diameter of parts as claimed in claim 1, wherein the inner wall of the circular positioning hole of the circumferential positioning disk (11) is provided with a triangular notch.

3. The multi-position fast and accurate measuring device for bore diameter of parts according to claim 2, wherein the triangular notch on the circumferential positioning disk (11) is opened in plurality.

4. The multi-position fast and accurate part aperture measuring device according to claim 3, wherein said part to be measured has a triangular protrusion, said triangular protrusion is disposed in said triangular notch when said part to be measured is mounted in said circular positioning hole of said circular positioning plate (11).

5. The multi-position fast and accurate measuring device for the bore diameter of parts according to claim 1, wherein the vertical plate (2) is fixed on the base (1) by screws.

6. The multi-position fast and accurate measuring device for the bore diameter of parts according to claim 1, wherein the slide rail bracket (3) is fixed on the vertical plate (2) by screws.

7. The multi-position rapid precision measuring device for the bore diameter of parts according to claim 6, wherein the slide rail bracket (3) comprises an upper support plate (32), a lower support plate (33) and a side plate (34), the slide rail bracket (3) is fixed on the vertical plate (2) through the side plate (34), the upper support plate (32) and the lower support plate (33) are respectively arranged at the upper end and the lower end of the side plate (34), and the hand wheel screw (31) is installed between the upper support plate (32) and the lower support plate (33).

8. The multi-position rapid precision measuring device for bore diameter of parts according to claim 7, wherein the slide rail bracket (3) further comprises a cylindrical slide rail (35), the cylindrical slide rail (35) is glued with the upper support plate (32) and the lower support plate (33), and two are arranged in parallel on both sides of the hand wheel screw (31);

smooth through holes matched with the cylindrical sliding rails (35) are formed in the two sides of the inner thread through hole of the sliding block (4) respectively.

9. The multi-position fast and accurate measuring device for bore diameter of parts according to claim 1, wherein the cross section of the measuring bracket (5) is L-shaped, the measuring bracket (5) comprises a first bracket part (52) and a second bracket part (53) which are integrally formed, the first bracket part (52) is fixed on the sliding block (4) through a screw, and the second bracket part (53) is used for installing the three-jaw micrometer screw (51).

10. Multi-position fast and accurate measuring device for bore diameter of parts according to claim 9, characterized in that said three-jaw micrometer screw (51) is fixed to the second frame part (53) of the measuring frame (5) by means of clamps and screws.

Technical Field

The application belongs to the technical field of mechanical detection, and particularly relates to a multi-position rapid and accurate measuring device for the aperture of a part.

Background

Due to the limitation of technical means, compared with the measurement of the diameter of the outer circle of a part, the measurement of the diameter of the inner hole of the machined or assembled part (such as a bush and the like) is complex in operation and long in time, and the measurement accuracy is low because the axis of a measurement tool (such as a three-jaw micrometer) is difficult to coincide with the axis of the inner hole of the part. On the other hand, in order to improve the comprehensiveness of the measurement of the inner hole of the part, measurement points are often selected for multiple times along the axial direction and the circumferential direction of the inner hole and subjected to multipoint measurement in actual measurement, typically, 9 inner diameter values are required to be measured if three different measurement positions are taken in the axial direction and the circumferential direction, so that the time required for measuring the inner diameter of the part is further greatly increased, and the detection efficiency of the part is severely restricted.

Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.

Disclosure of Invention

The application aims to provide a multi-position rapid and accurate measuring device for the aperture of a part, so as to solve at least one problem existing in the prior art.

The technical scheme of the application is as follows:

a multi-position fast and accurate measuring device for the bore diameter of a part comprises:

the positioning device comprises a base, wherein a circumferential positioning disc is detachably mounted on the base, a positioning round hole is formed in the center of the circumferential positioning disc, and the positioning round hole is used for mounting a part to be detected with an inner hole;

the vertical plate is arranged on the base;

the sliding rail bracket is fixed on the vertical plate, and a hand wheel screw is arranged on the sliding rail bracket along the vertical direction;

the sliding block is provided with a threaded through hole and is installed on the hand wheel screw rod in a matched mode through the threaded through hole;

the measuring support is arranged on the sliding block, the three-jaw micrometer caliper is installed on the measuring support, and the measuring end of the three-jaw micrometer caliper is arranged in the inner hole of the part to be measured.

Optionally, the inner wall of the positioning round hole of the circumferential positioning disk is provided with a triangular notch.

Optionally, a plurality of triangular notches are formed in the circumferential positioning disk.

Optionally, the part to be measured has a triangle protrusion, and when the part to be measured is installed in the positioning round hole of the circumference positioning disk, the triangle protrusion is arranged in the triangle notch.

Optionally, the vertical plate is fixed on the base through a screw.

Optionally, the sliding rail bracket is fixed on the vertical plate through a screw.

Optionally, the sliding rail bracket includes an upper supporting plate, a lower supporting plate and a side plate, the sliding rail bracket is fixed on the vertical plate through the side plate, the upper supporting plate and the lower supporting plate are respectively disposed at the upper end and the lower end of the side plate, and the hand wheel screw is installed between the upper supporting plate and the lower supporting plate.

Optionally, the slide rail bracket further comprises a cylindrical slide rail, the cylindrical slide rail is glued to the upper support plate and the lower support plate, and two cylindrical slide rails are arranged on two sides of the hand wheel screw in parallel;

smooth through holes matched with the cylindrical sliding rails are formed in the two sides of the inner thread through hole of the sliding block respectively.

Optionally, the cross section of the measuring bracket is L-shaped, the measuring bracket comprises a first bracket part and a second bracket part which are integrally formed, the first bracket part is fixed on the sliding block through a screw, and the second bracket part is used for installing the three-jaw micrometer.

Optionally, the three-jaw micrometer is fixed to the second leg portion of the measurement leg by a clamp and a screw.

The invention has at least the following beneficial technical effects:

the quick and accurate measuring device for the multi-position of the aperture of the part can simultaneously realize quick switching of different measuring positions along the axial direction and the circumferential direction of the inner hole of the part and reliable positioning of a measuring tool, so that the efficiency and the precision of multi-position measurement of the aperture of the part are improved.

Drawings

FIG. 1 is a schematic view of an embodiment of the present application showing an overall multi-position fast and accurate measurement apparatus for aperture of a part;

FIG. 2 is a front view of a multi-position fast precision measuring device for bore diameter of a part according to an embodiment of the present application;

FIG. 3 is a side view of a part aperture multi-position fast precision measurement apparatus according to one embodiment of the present application;

FIG. 4 is a schematic view of a circumferential positioning disk of the multi-position fast precision measuring device for aperture of parts according to one embodiment of the present application;

FIG. 5 is a view A-A of FIG. 4;

FIG. 6 is a schematic diagram of a part to be measured of the multi-position fast precision measuring device for measuring an aperture of a part according to one embodiment of the present application;

FIG. 7 is a schematic view of a slide rail bracket of the multi-position fast precision measuring device for bore diameter of parts according to one embodiment of the present application;

FIG. 8 is a right side view of FIG. 7;

FIG. 9 is a schematic view of a hand wheel screw of the multi-position fast precision measuring device for bore diameter of parts according to one embodiment of the present application;

FIG. 10 is a left side view of FIG. 9;

FIG. 11 is a schematic view of a multi-position fast precision measuring device slider for part aperture in accordance with one embodiment of the present application;

FIG. 12 is a view B-B of FIG. 11;

FIG. 13 is a schematic view of a part aperture multi-position fast precision measuring device measurement mount according to one embodiment of the present application;

FIG. 14 is a left side view of FIG. 13;

FIG. 15 is a top view of FIG. 13;

FIG. 16 is a schematic view of a multi-position fast precision measuring device clip for an aperture of a part according to one embodiment of the present application.

Wherein:

1-a base; 11-a circumferential positioning disc; 2-standing the plate; 3-a slide rail bracket; 31-hand wheel screw; 32-an upper support plate; 33-lower support plate; 34-side plates; 35-a cylindrical slide rail; 4-a slide block; 5-measuring the support; 51-three-jaw micrometer screw; 52-a first frame portion; 53-second bracket part.

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. 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 application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.

The present application is described in further detail below with reference to fig. 1 to 16.

The application provides a quick accurate measuring device of many positions in part aperture includes: base 1, riser 2, slide rail support 3, slider 4 and measurement support 5.

Specifically, a circumferential positioning disk 11 is detachably mounted on the base 1, a positioning round hole is formed in the center of the circumferential positioning disk 11, and the positioning round hole is used for mounting a part to be measured with an inner hole; the vertical plate 2 is arranged on the base 1; the slide rail bracket 3 is fixed on the vertical plate 2, and a hand wheel screw 31 is arranged on the slide rail bracket 3 along the vertical direction; the sliding block 4 is provided with a threaded through hole, and the sliding block 4 is installed on the hand wheel screw 31 in a matching way through the threaded through hole; the measuring support 5 is arranged on the sliding block 4, the three-jaw micrometer screw 51 is arranged on the measuring support 5, and the measuring end of the three-jaw micrometer screw 51 is arranged in an inner hole of the part to be measured.

In one embodiment of the present application, the circumferential positioning plate 11 is fixed on the base 1 by screws, and the circumferential positioning plate 11 is designed with a positioning round hole at the center and three triangular notches formed along the inner wall of the positioning round hole. The part that awaits measuring has the triangle protruding, and when the part that awaits measuring is installed in the location round hole of circumference positioning disk 11, thereby the circumference location of the part that awaits measuring is realized to the protruding laminating of excircle and the triangle in the measurement aperture of the part that awaits measuring of location round hole lateral wall and triangle notch on the circumference positioning disk 11 respectively. The base 1 is attached to the end face of the part to be detected, so that the axial positioning of the part to be detected is realized.

In an embodiment of the application, base 1 and riser 2 to and riser 2 and slide rail support 3 all link firmly through the screw and become an organic whole, as part aperture measuring device's support.

In one embodiment of the present application, the slide rail bracket 3 includes an upper support plate 32, a lower support plate 33, and a side plate 34, which are integrally formed, the side plate 34 is fixed to the vertical plate 2 by screws, and the upper support plate 32 and the lower support plate 33 are respectively disposed at the upper end and the lower end of the side plate 34. A hand wheel screw 31 is mounted between the upper support plate 32 and the lower support plate 33. A central threaded through hole is designed on the sliding block 4 and is matched with the hand wheel screw 31 to form a screw nut matching pair. In this embodiment, the slide rail bracket 3 further includes a cylindrical slide rail 35, the cylindrical slide rail 35 is glued to the upper support plate 32 and the lower support plate 33, and two of the cylindrical slide rail 35 are arranged in parallel on two sides of the hand wheel screw 31; smooth through-holes matched with the cylindrical slide rails 35 are respectively formed in two sides of the internal thread through-holes of the slide block 4, and the two smooth through-holes are matched with the two cylindrical slide rails 35 to form a slide rail slide block matching pair.

In one embodiment of the present application, the cross section of the measuring bracket 5 is L-shaped, the measuring bracket 5 includes a first bracket portion 52 and a second bracket portion 53 which are integrally formed, the first bracket portion 52 is fixed on the slide block 4 by a screw, and the second bracket portion 53 is used for mounting the three-jaw micrometer 51. In this embodiment, a groove is provided on the second bracket portion 53, and the three-jaw micrometer screw 51 is fixed in the groove of the second bracket portion 53 by a clip and a screw.

According to the multi-position rapid and accurate measuring device for the aperture of the part, the rotating screw can drive the sliding block 4 and the three-jaw micrometer screw 51 to move up and down by shaking the handle on the hand wheel screw 31, so that the axial rapid change of the aperture measuring point of the part to be measured is realized; the rapid circumferential change of the aperture measuring point of the part to be measured can be realized by changing the triangular notch attached to the part to be measured; the accuracy of the aperture measurement of the part to be measured is improved by adjusting the axis of the three-jaw micrometer 51 to coincide with the axis of the inner hole of the part to be measured.

The multi-position rapid and accurate measuring device for the aperture of the part is based on the principle of a lead screw nut and a slide rail slide block mechanism, eliminates measuring errors caused by inclination of a micrometer during measurement of a handheld screw micrometer, and can obviously improve the accuracy of aperture measurement of the part. Compared with the conventional manual measurement, the method and the device can realize the quick switching of the hole diameter measuring points of the parts along the axial direction and the circumferential direction of the inner holes of the parts, and the accuracy of the hole diameter measurement is obviously improved, so that the efficiency and the accuracy of the multi-position measurement of the hole diameters of the parts are improved simultaneously.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.