CN222670915U

CN222670915U - Thickness measuring tool for apex rubber used in rubber tires

Info

Publication number: CN222670915U
Application number: CN202420904838.2U
Authority: CN
Inventors: 吴栋; 叶强; 巩瑞; 胥引亮
Original assignee: Shaanxi Yanchang Petroleum Group Co Ltd
Current assignee: Shaanxi Yanchang Petroleum Group Co Ltd
Priority date: 2024-04-28
Filing date: 2024-04-28
Publication date: 2025-03-25
Anticipated expiration: 2034-04-28

Abstract

The utility model discloses a thickness measuring tool for a triangular glue for a rubber tire, which comprises a test platform, a first reference baffle plate, a bracket, a digital display dial gauge and a digital display dial gauge, wherein the upper part of the test platform is used for placing a horizontal plane of a triangular glue sample to be measured, the upper surface of the test platform is provided with a reference line, the first reference baffle plate is horizontally and fixedly arranged at the edge of the test platform and is perpendicular to the reference line, a scale mark is arranged on the first reference baffle plate along the extending direction of the first reference baffle plate, the starting point of the scale mark is positioned at the reference line, the bracket comprises two upright posts symmetrically arranged on the test platform, a cross rod is connected between the tops of the two upright posts, the cross rod is parallel to the extending direction of the first reference baffle plate, the digital display dial gauge is slidably arranged on the cross rod, and the detection end of the digital display dial gauge is used for moving along the inclined plane of the triangular glue to measure the thickness of the glue at different positions. The problem that the measuring error of the existing triangular glue thickness measuring tool is large is solved.

Description

Thickness measuring tool for triangular rubber for rubber tire

[ Field of technology ]

The utility model belongs to the technical field of apex measurement in tire bead components, and particularly relates to a thickness measuring tool for an apex for a rubber tire.

[ Background Art ]

Tires are an important accessory widely applied to the traffic field, and are composed of various parts, and the triangular glue is one of the important parts, so that the size detection is important to ensure the quality and safety of products. The size of the apex directly affects the uniformity, rigidity, ride feel, and handling safety of the tire.

In the size detection of the triangular glue, a meter ruler and a vernier caliper are common detection tools, and the detection of the width and the thickness of the triangular glue is an important basis for judging whether the triangular glue is qualified or not. To achieve this, it is necessary to first measure whether the total width is acceptable with a meter ruler, and to measure the thickness at points of different widths of the triangular angle with the meter ruler. The thickness measurement has certain error due to the fact that the punctuation points squeeze the rubber, and certain error can be generated when the punctuation points are aligned with the scale of the meter ruler 0. In addition, the triangular angle is a slope, the vernier caliper and the holding point are planes, the thickness measurement of the triangular angle is at least three points, the rubber has elasticity, the deformation produced by different personnel on the rubber is inconsistent by using the vernier caliper, the reading value is inaccurate, in addition, the conventional measurement cannot finish the point taking and the thickness measurement at one time, the measurement efficiency is reduced, and the accuracy of the measurement result is possibly influenced by inaccurate marking. Therefore, the development of a device capable of accurately and efficiently measuring the triangular angle is important to improving the accuracy and efficiency of measuring the triangular angle.

[ utility model ]

The utility model aims to provide a thickness measuring tool for a triangular rubber for a rubber tire, which aims to solve the problem of larger measuring error of the conventional triangular rubber thickness measuring tool.

The utility model adopts the following technical scheme that the thickness measuring tool for the triangular glue for the rubber tire is characterized in that a triangular glue sample to be measured is of a prismatic structure and is provided with two opposite end faces, three side faces are arranged between the two end faces in a surrounding mode, the side faces are divided into a horizontal face, a special-shaped face and an inclined face, and the thickness measuring tool comprises:

The device comprises a testing platform, a first test platform and a second test platform, wherein the upper part of the testing platform is used for placing the horizontal plane of a triangular glue sample to be tested, and the upper surface of the testing platform is provided with a datum line which is used for being aligned with a first datum line of the triangular glue sample;

The first reference baffle plate is horizontally and fixedly arranged at the edge of the test platform and is vertical to the reference line, and a scale mark is arranged on the first reference baffle plate along the extending direction of the first reference baffle plate, and the starting point of the scale mark is positioned at the reference line;

The support comprises two upright posts symmetrically arranged on the test platform, and a cross rod is connected between the tops of the two upright posts;

And the digital display dial indicator is arranged on the cross rod in a sliding manner, the detection end of the digital display dial indicator points downwards, and the detection end is used for moving along the inclined plane of the triangular glue so as to measure the thickness of the glue stock at different positions.

Further, the test platform also comprises a second reference baffle which is parallel to the first reference baffle and is arranged on the test platform in a sliding way; the bottom of second benchmark separation blade has the convex guide block, and the test platform is last, the position department that corresponds the guide block is provided with first spout, and the axis direction of first spout is parallel with the datum line.

Further, the device further comprises a third reference baffle plate which is vertically arranged between the first reference baffle plate and the second reference baffle plate, and the inner edge of the third reference baffle plate is overlapped with the reference line.

Further, the dial plate rear side of the digital display dial indicator is connected with a sliding rod, a second sliding groove is formed in the cross rod along the axis direction of the cross rod, and the free end of the sliding rod is embedded into the second sliding groove.

The utility model has the beneficial effects that the positioning device of the triangular glue sample to be detected is not arranged in the conventional means, and the utility model adopts a plurality of baffle plates for positioning, so that the positioning mode has higher precision and stability. The baffle positioning mechanism ensures that the sample can be accurately aligned with the 0 scale by physically limiting the position of the sample, thereby ensuring the accuracy of the mark by reading the numerical value. The design not only improves the marking precision, but also improves the detection reliability.

[ Description of the drawings ]

FIG. 1 is a schematic structural view of an embodiment 1 of a thickness measuring tool for a bead apex for a rubber tire according to the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of an embodiment 2 of a thickness measuring tool for a bead filler for a rubber tire according to the present utility model;

FIG. 4 is a schematic structural view of an embodiment 3 of a thickness measuring tool for a bead filler for a rubber tire according to the present utility model;

FIG. 5 is a schematic view of the use condition at the cross-sectional angle A-A of FIG. 4;

Fig. 6 is a schematic structural diagram of a test sample of the apex according to the present utility model.

The test platform 1, the triangular glue sample to be tested 2, the end face 21, the horizontal plane 22, the special-shaped surface 23, the inclined plane 24, the first datum line 25, the second datum line 26, the datum line 3, the first datum baffle plate 4, the bracket 5, the vertical rod 51, the vertical rod 52, the cross rod 53, the second sliding chute 6, the digital display dial indicator 61, the detection end 62, the dial plate 7, the second datum baffle plate 8, the first sliding chute 9, the third datum baffle plate 10 and the sliding rod.

[ Detailed description ] of the invention

The utility model will be described in detail below with reference to the drawings and the detailed description.

The utility model provides a thickness measuring tool for triangular glue for rubber tires, as shown in fig. 6, a triangular glue sample 2 to be measured is of a prismatic structure, and is provided with two opposite end faces 21, three side faces are arranged between the two end faces 21 in a surrounding mode, and the side faces are divided into a horizontal face 22, a special-shaped face 23 and an inclined face 24. The first reference line 25 is the boundary line between the shaped surface 23 and the horizontal surface 22. The second reference line 26 is the boundary line between the one end surface 21 of the apex sample 2 to be measured and the horizontal surface 22.

Example 1

As shown in fig. 1 and 2, the thickness measuring tool comprises a test platform 1, a first reference baffle 4, a bracket 5 and a digital display dial indicator 6.

Wherein, the top of test platform 1 is used for placing the horizontal plane 22 of the apex sample 2 that awaits measuring, and the upper surface of test platform 1 is provided with datum line 3, and datum line 3 is used for aligning with the first datum line 25 of apex sample.

The first reference baffle 4 is horizontally and fixedly arranged at the edge of the test platform 1 and is perpendicular to the datum line 3, scale marks are arranged on the first reference baffle 4 along the extending direction of the first reference baffle, and 0 scale marks of the scale marks are located at the datum line 3. The first reference flap 4 is for alignment with the second reference line 26 of the apex specimen.

After the first datum line 25 and the second datum line 26 are aligned with the datum line 3 and the first datum baffle 4 respectively, the to-be-measured apex sample 2 can be accurately located at the initial measuring position of the scale mark. And the end face 21 is ensured to be aligned with the first reference baffle 4, so that the size read from the scale mark can be ensured to be closer to the real size of the triangular glue sample 2 to be measured.

The bracket 5 comprises two upright posts 51 symmetrically arranged on the test platform 1, a cross rod 52 is connected between the tops of the two upright posts 51, and the cross rod 52 is parallel to the extending direction of the first reference baffle 4. The digital display dial indicator 6 is slidably disposed on the cross bar 52, and the detection end 61 thereof is directed downward, and the detection end 61 is used for moving along the inclined plane 24 of the apex to measure the thickness of the adhesive at different positions. The detection end 61 of the digital display dial indicator 6 is spherical, so that the problem of contact failure caused by the fact that the triangular angle is a slope can be avoided.

The thickness measuring tool for the triangular glue for the rubber tire can measure the dimension of the triangular glue sample 2 to be measured along the second datum line 26 direction and also can measure the glue thickness at different positions, so that the detection efficiency is greatly improved.

Example 2

As shown in fig. 3, on the basis of the structure of embodiment 1, the device further comprises a second reference baffle 7 which is parallel to the first reference baffle 4 and is slidably arranged on the test platform 1, wherein a protruding guide block is arranged at the bottom of the second reference baffle 7, a first chute 8 is arranged on the test platform 1 at a position corresponding to the guide block, and the axis direction of the first chute 8 is parallel to the reference line 3.

The second reference baffle 7 slides in the first chute 8 through the guide block at the bottom, so that the distance between the second reference baffle and the first reference baffle 4 can be adjusted, and the placement of the triangular glue sample 2 to be tested with different sizes is adapted.

Example 3

As shown in fig. 4, on the basis of the structure of embodiment 2, a third reference baffle 9 is further included, which is vertically disposed between the first reference baffle 4 and the second reference baffle 7, and the inner edge of the third reference baffle 9 coincides with the reference line 3. Through the setting of third benchmark separation blade 9, the triangle that awaits measuring glue sample 2 when putting into is simpler easy operation, and the location is more accurate.

In some embodiments, as shown in fig. 2-4, a sliding rod 10 is connected to the rear side of a dial 62 of the digital dial indicator 6, a second sliding groove 53 is arranged on the cross rod 52 along the axial direction of the cross rod, and the free end of the sliding rod 10 is embedded in the second sliding groove 53.

The utility model relates to a use method of a thickness measuring tool for a triangular rubber for a rubber tire, which comprises the following steps:

s1, preparing, namely ensuring that all parts of a thickness measuring tool for the triangular glue for the rubber tire are intact, and preparing a triangular glue sample 2 to be measured.

S2, placing the sample, namely placing the horizontal plane 22 of the triangular glue sample 2 to be tested on the test platform 1, aligning the second datum line 26 with the first datum baffle 4, aligning the first datum line 25 of the triangular glue sample 2 to be tested with the datum line 3, aligning the first datum line 25 of the triangular glue with the third datum baffle 9, and sliding and abutting the second datum baffle 7 against one end face of the triangular glue sample 2 to be tested to fix the position of the triangular glue sample 2 to be tested.

S3, reading the value, namely reading the width value of the triangular glue sample 2 to be measured through the scale marks on the first reference baffle 4.

S4, thickness measurement, namely pulling up the detection end 61 of the digital display dial indicator, sliding the digital display dial indicator to a position where thickness measurement is required, loosening the detection end 61 of the digital display dial indicator, and enabling a pointer of the detection end 61 to be in contact with the inclined plane of the triangular glue sample 2 to be measured.

The position where the thickness is to be measured may be located by means of a scale mark on the first reference blade 4, and the pointer at the detection end 61 may be aligned with a certain scale mark on the first reference blade 4. Whether or not the alignment is accomplished by means of a right angle square.

S5, reading the numerical value, namely reading and recording the numerical value displayed by the digital display dial indicator at the moment.

S6, repeating the operations of the steps S5 and S6, and finishing thickness measurement of different positions of the triangular glue sample 2 to be measured.

According to the thickness measuring tool for the triangular glue for the rubber tire, the flat part is adopted for positioning measurement, the stretching and deformation of the part are avoided, the thickness is measured by adopting the dial indicator, the upper and lower holding deformation of the vernier caliper is avoided, the precision is 0.02mm accurate to 0.001mm compared with the precision before the positioning tool, the width positioning and the thickness measurement of the thickness measuring tool are completed in the same step, compared with the positioning error of measuring the thickness at the marked point after the positioning of the marked point by using the vernier caliper for measuring the marked point again according to the marked point.

In summary, the present utility model resides in its unique blade positioning mechanism, adjustable design of measurement position, and efficient measurement capability. These features make the utility model superior to conventional means in terms of accuracy, adaptability and efficiency, and thus are not easily achievable by conventional means. These innovations represent the technological advances and innovations of the utility model, bringing substantial improvements and advances to the measurement process.

Claims

1. A thickness measuring tool for an apex rubber used in a rubber tire, wherein the apex rubber sample (2) to be measured is a prism structure, having two end faces (21) arranged opposite to each other, and three side faces arranged around the two end faces (21), wherein the side faces are divided into a horizontal face (22), a special-shaped face (23) and an inclined face (24), wherein the thickness measuring tool comprises:

A test platform (1), above which is a horizontal plane (22) for placing the apex sample (2) to be tested, a reference line (3) being arranged on the upper surface of the test platform (1), the reference line (3) being used to align with a first reference line of the apex sample; the first reference line being the boundary line between the profiled surface (23) and the horizontal plane (22);

a first reference baffle (4), horizontally fixedly arranged on the edge of the test platform (1) and perpendicular to the reference line (3), with scale lines arranged on it along the extension direction of the first reference baffle (4), the starting point of the scale lines being located at the reference line (3); and being used for aligning with a second reference line of the apex sample; the second reference being the boundary line between an end face (21) of the apex sample (2) to be tested and a horizontal plane (22);

A bracket (5) comprising two vertical poles (51) symmetrically arranged on the test platform (1), a cross bar (52) being connected between the tops of the two vertical poles (51); the cross bar (52) being parallel to the extension direction of the first reference baffle (4);

A digital micrometer (6) is slidably disposed on the crossbar (52), with a detection end (61) pointing downward. The detection end (61) is used to move along the inclined surface (24) of the apex rubber to measure the thickness of the rubber at different positions.

2. A thickness measuring tool for apex rubber for rubber tires as described in claim 1, characterized in that it also includes a second reference baffle (7), which is parallel to the first reference baffle (4) and is slidably arranged on the test platform (1); the bottom of the second reference baffle (7) has a protruding guide block, and a first slide groove (8) is arranged on the test platform (1) at a position corresponding to the guide block, and the axial direction of the first slide groove (8) is parallel to the reference line (3).

3. A thickness measuring tool for apex rubber for rubber tires as described in claim 2, characterized in that it also includes a third reference baffle (9), which is vertically arranged between the first reference baffle (4) and the second reference baffle (7), and the inner edge of the third reference baffle (9) coincides with the reference line (3).

4. A thickness measuring tool for apex rubber tires as described in claim 1 or 2, characterized in that a sliding rod (10) is connected to the rear side of the dial (62) of the digital micrometer (6), a second sliding groove (53) is provided on the cross bar (52) along its axial direction, and the free end of the sliding rod (10) is embedded in the second sliding groove (53).