CN219064393U

CN219064393U - Non-whole circular surface contour measuring gauge

Info

Publication number: CN219064393U
Application number: CN202223327967.XU
Authority: CN
Inventors: 程丰波
Original assignee: Dongguan Xiesheng Auto Part Technology Co ltd
Current assignee: Dongguan Xiesheng Auto Part Technology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-23
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a non-full-circle surface profile measuring gauge which comprises a dial indicator, a measuring seat, a main body, a dial indicator mounting mechanism, a measuring needle and a spring, wherein the dial indicator mounting mechanism is mounted on the main body, the dial indicator is mounted on the dial indicator mounting mechanism, the main body is connected with the measuring seat, the dial indicator is provided with a measuring head, the main body is provided with a cavity, the measuring needle is slidably arranged in the cavity, the measuring head is abutted to one end of the measuring needle, the other end of the measuring needle sequentially penetrates through the cavity and the measuring seat and is exposed, the spring is arranged in the cavity, one end of the spring is abutted to the measuring needle, and the other end of the spring is abutted to the main body. The utility model can measure the outline of the non-whole round surface, has simple operation and high measurement efficiency, does not need to additionally arrange a positioning jig, and has high measurement precision.

Description

Non-whole circular surface contour measuring gauge

Technical Field

The utility model relates to the field of gauge design, in particular to a gauge for measuring the profile of a non-whole circular surface.

Background

Some parts are provided with a part containing an uneven circular surface, and the surface profile of the part is often measured after the part is processed, so that whether the error between the surface profile of the uneven circular surface of the part after the processing and the standard profile required by the part is in a permissible range or not is measured, and the quality of the part after the processing is ensured.

However, the difficulty of error measurement of the surface profile of the non-whole circular surface on the part is great, and at present, the measurement is carried out by matching the positioning jig with the measuring jig, and after the part is fixed on the positioning jig, the measuring jig is used for detecting each position of the non-whole circular surface. However, on the one hand, the mode is used for positioning for many times, the operation is complex, the measurement efficiency is low, and on the other hand, when the part is placed on the positioning jig for positioning for many times, certain positioning errors exist, so that the measurement result is inaccurate.

Disclosure of Invention

The utility model aims to provide a non-full-circle surface profile measurement gauge which can solve one or more of the problems.

According to one aspect of the utility model, there is provided a non-circular surface profile measuring gauge comprising a dial indicator, a gauge stand, a main body, a dial indicator mounting mechanism, a gauge needle and a spring, wherein the dial indicator mounting mechanism is mounted on the main body, the dial indicator is mounted on the dial indicator mounting mechanism, the main body is connected with the gauge stand, the dial indicator is provided with a gauge head, the main body is provided with a cavity, the gauge needle is slidably arranged in the cavity, the gauge head is abutted to one end of the gauge needle, the other end of the gauge needle sequentially passes through the cavity and the gauge stand and is exposed, the spring is arranged in the cavity, one end of the spring is abutted to the gauge needle, and the other end of the spring is abutted to the main body.

The beneficial effects of the utility model are as follows: the utility model can firstly measure the standard non-whole circular surface profile so as to facilitate the user to know the measurement number which should be obtained by the standard non-whole circular surface profile through the dial indicator, then obtain the error of the current position of the non-whole circular surface profile of the measured part through the digital change measured by the contrast dial indicator, and the user can change the position of the measured non-whole circular surface profile by moving the measuring seat so as to observe the change of the error, thereby facilitating the user to judge whether the measured non-whole circular surface profile meets the requirement or not, having simple operation, high measurement efficiency and high measurement accuracy without additionally arranging a positioning jig.

In some embodiments, the dial indicator mounting mechanism comprises a gauge stand, a dial indicator clamping sleeve and a bolt, wherein the gauge stand is mounted on the main body, the dial indicator clamping sleeve is embedded in the gauge stand, the dial indicator clamping sleeve is sleeved on the dial indicator, and the bolt is mounted on the gauge stand and presses the dial indicator clamping sleeve on the dial indicator. Thus, the dial indicator can be effectively fixed on the gauge stand.

In some embodiments, the measuring base is provided with a first measuring arm and a second measuring arm, a first measuring angle is arranged at the bottom of the first measuring arm, a second measuring angle is arranged at the bottom of the second measuring arm, and the first measuring angle and the second measuring angle are symmetrically arranged. The angle measurement can reduce the contact positions of the first measuring arm and the second measuring arm with the measured non-whole circular surface, so that the difference between the contact positions of the non-whole circular surface and the first measuring arm or the second measuring arm when the positions of the non-whole circular surface are measured is reduced, and the measurement accuracy is improved.

In some embodiments, the utility model further comprises a zero calibration block and a substrate, wherein the zero calibration block is arranged on the substrate, a non-full circular surface is arranged on the zero calibration block, the first angle measurement and the second angle measurement can both prop against the non-full circular surface, and meanwhile, the display of the dial indicator is set to be 0. The non-whole round surface on the zero calibration block can be used as a standard non-whole round surface profile, after the dial indicator is set to be 0, the displayed number is the error amount of the current non-whole round surface when the non-whole round surface is measured later, and the user can conveniently read and judge.

In some embodiments, the body is provided with side bumps that are connected to the test seat. The arrangement of the side protruding blocks can increase the contact area between the main body and the measuring seat, so that the connection reliability between the main body and the measuring seat is improved.

In some embodiments, the side of the measuring needle is provided with an annular bump, the spring is sleeved on the measuring needle, and one end of the spring is abutted against the annular bump. The spring is sleeved on the measuring needle, so that the measuring needle can play a limiting role in the extending and retracting direction of the spring, and the working reliability of the spring is guaranteed.

In some embodiments, the utility model further comprises a screw mounted on the body, the annular projection being provided with a recess into which one end of the screw protrudes. The cooperation setting of screw and recess can restrict the movable range of measuring pin, avoids the measuring pin excessive movement to cause the damage of structure such as percentage table.

Drawings

Fig. 1 is a schematic structural view of a non-circular surface profile measuring tool according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view showing a schematic structure of a non-circular surface profile measuring gauge according to an embodiment of the present utility model.

FIG. 3 is a schematic diagram of a non-circular surface profile measurement gauge according to one embodiment of the present utility model.

Fig. 4 is a schematic structural view of a stylus of a non-circular surface profile measurement gauge according to an embodiment of the present utility model.

FIG. 5 is a schematic diagram illustrating the use of a non-circular surface profile measurement gauge according to an embodiment of the present utility model.

In the figure: 1. the device comprises a dial indicator, a 2, a measuring seat, a 3, a main body, a 4, a dial indicator mounting mechanism, a 5, a measuring needle, a 6, a spring, a 7, a screw, a 8, a zero calibration block, a 9, a base plate, a 10, a part, a 11, a measuring head, a 21, a first measuring arm, a 22, a second measuring arm, a 211, a first measuring angle, a 221, a second measuring angle, a 31, a side lug, a 32, a cavity, a 41, a gauge seat, a 42, a gauge sleeve, a 43, a bolt, a 51, an annular lug, a 511, a groove and a 81.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1, 2, 3, 4 and 5, the non-circular surface profile measuring gauge of the present utility model includes a dial indicator 1, a measuring base 2, a main body 3, a dial indicator mounting mechanism 4, a measuring needle 5 and a spring 6.

The dial indicator mounting mechanism 4 includes a gauge stand 41, a clamp case 42, and a bolt 43. The bottom of gauge stand 41 is equipped with the screw thread section, and the screw thread section passes through screw thread fit and installs on the top of main part 3, and gauge stand 41 middle part is equipped with the hole, and the fixed dress of clamp table cover 42 is in the hole of gauge stand 41, and clamp table cover 42 suit is on percentage table 1, and bolt 43 passes through screw thread fit fixed mounting on the lateral part of gauge stand 41, and bolt 43 after setting presses clamp table cover 42 on percentage table 1 to this makes percentage table 1 fixed mounting on percentage table installation mechanism 4.

The lateral part of the bottom of the main body 3 is provided with a lateral lug 31, and the lateral lug 31 is fixedly connected with the measuring seat 2 through a bolt.

The main body 3 is internally provided with a cavity 32, the measuring needle 5 is slidably arranged in the cavity 32, the dial indicator 1 is provided with a measuring head 11, the measuring head 11 can axially move along the central axis of the dial indicator 1, the bottom of the measuring head 11 of the dial indicator 11 passes through a hole of the gauge stand 41 and stretches into the main body 3, and the end of the measuring head 11 of the dial indicator 11 butts against the top end of the measuring needle 5.

The bottom end of the measuring needle 5 sequentially passes through the cavity 32 and the measuring seat 2 and then is exposed to the atmosphere, namely, the cavity 32 and the measuring seat 2 can both limit and guide the movement of the measuring needle 5 so as to ensure the movement accuracy of the measuring needle 5.

The side of the probe 5 is provided with an annular bump 51, the spring 6 is sleeved on the probe 5 and arranged in the cavity 32, the bottom end of the spring 6 is propped against the top of the annular bump 51 to be connected with the annular bump 51, the cavity 32 is internally provided with an inner bulge, and the top end of the spring 6 is propped against the inner bulge to be connected with the main body 3.

The two ends of the bottom of the measuring seat 2 are respectively provided with a first measuring arm 21 and a second measuring arm 22, the bottom of the first measuring arm 21 is provided with a first measuring angle 211, the bottom of the second measuring arm 22 is provided with a second measuring angle 221, and the first measuring angle 211 and the second measuring angle 221 are symmetrically arranged.

The non-circular surface profile measuring gauge of the present utility model further comprises a screw 7, the screw 7 is mounted on the main body 3 by screw-fitting, a groove 511 is provided on the side of the annular bump 51, and one end of the screw 7 extends into the groove 511.

The non-full-circle surface profile measuring gauge also comprises a zeroing block 8 and a base plate 9. The zero calibration block 8 is fixedly arranged on the base plate 9 through bolts, the zero calibration block 8 is provided with a non-whole round surface 81, and the non-whole round surface 81 can be in a standard shape of a non-whole round outline to be detected. Both the first angle measurement 211 and the second angle measurement 221 can be abutted against the non-circular surface 81 when needed, and the display of the dial indicator 1 is set to 0.

When the non-whole circular surface profile measuring gauge is used for detecting the non-whole circular profile on a part, zero calibration can be firstly carried out, specifically, a first measuring angle 211 of a first measuring arm 21 and a second measuring angle 221 of a second measuring arm 22 are both propped against a non-whole circular surface 81 of a zero calibration block 8, at the moment, under the action of a spring 6, a measuring needle 5 can also prop against the non-whole circular surface 81 of the zero calibration block 8, the dial indicator 1 is adjusted, the dial indicator 1 is displayed as 0, and the zero calibration of the utility model is completed.

After that, the zeroing block 8 is removed, the first angle 211 of the first measuring arm 21 and the second angle 221 of the second measuring arm 22 of the present utility model after zeroing are propped against the non-circular outline on the part 10 to be measured, and when there is an error between the position of the non-circular outline of the part 10 to be measured and the standard non-circular surface 81, the spring 6 can correspondingly stretch and retract, so that the measuring needle 5 correspondingly moves until the measuring needle 5 is propped against the non-circular outline of the part 10, and the measuring head 11 of the dial indicator 1 correspondingly moves because the measuring head 11 keeps the state of propping against the measuring needle 5, so as to change the display number of the dial indicator 1.

The number displayed by the dial indicator 1 is the error value between the current position of the non-circular outline of the part 10 and the standard, and then the user can change the detection position of the utility model on the non-circular outline of the part 10 by rotating the utility model to move the measuring seat 2, so that the spring 6 stretches and contracts correspondingly due to different errors existing in each position, and finally the display number of the dial indicator 1 is correspondingly changed.

The user can judge whether the non-whole circular outline is qualified according to the display number of the dial indicator 1 on each position of the non-whole circular outline of the part 10, meanwhile, due to the specific number, the user can judge whether the unqualified part 10 still has a rescue opportunity or not, and due to the visual representation of error change, in actual production and processing, a designer can improve the processing technology in a targeted manner by checking the influence of different processing technologies on the change of the error so as to reduce the processing failure rate of the part 10.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims

1. The utility model provides a non-full circle surface profile measurement examines utensil, its characterized in that, including percentage table, survey stand, main part, percentage table installation mechanism, measuring needle and spring, percentage table installation mechanism installs in the main part, percentage table is installed on percentage table installation mechanism, the main part is connected with survey stand, the percentage table is equipped with the gauge head, the main part is equipped with the cavity, the measuring needle is slidably located in the cavity, the one end butt of gauge head and measuring needle, the other end of measuring needle passes cavity and survey stand in proper order and exposes, the spring is located in the cavity, the one end and the measuring needle butt of spring, the other end and main part butt of spring.

2. The gauge for measuring the contour of a non-circular surface according to claim 1, wherein the dial indicator mounting mechanism comprises a gauge stand, a gauge clamping sleeve and a bolt, the gauge stand is mounted on the main body, the gauge clamping sleeve is embedded in the gauge stand, the gauge clamping sleeve is sleeved on the dial indicator, and the bolt is mounted on the gauge stand and presses the gauge clamping sleeve on the dial indicator.

3. The tool according to claim 1, wherein the measuring base is provided with a first measuring arm and a second measuring arm, a first measuring angle is arranged at the bottom of the first measuring arm, a second measuring angle is arranged at the bottom of the second measuring arm, and the first measuring angle and the second measuring angle are symmetrically arranged.

4. The non-full circle surface contour measurement gauge according to claim 3, comprising a zero calibration block and a base plate, wherein the zero calibration block is mounted on the base plate, a non-full circle surface is arranged on the zero calibration block, the first angle measurement and the second angle measurement can both be propped against the non-full circle surface, and the display of the dial indicator is set to be 0.

5. The tool according to claim 1, wherein the body is provided with a side bump, and the side bump is connected to the measuring base.

6. The gauge according to claim 1, wherein the side of the probe is provided with an annular bump, the spring is sleeved on the probe, and one end of the spring abuts against the annular bump.

7. The tool of claim 6, comprising a screw mounted to the body, the annular projection having a recess, an end of the screw extending into the recess.