CN110220435B

CN110220435B - Integrated integrated inspection fixture for gear forging blanks

Info

Publication number: CN110220435B
Application number: CN201810171964.0A
Authority: CN
Inventors: 刘明; 张晖; 刘目娟; 李文辉; 陈斌
Original assignee: Shanghai Automobile Gear Works
Current assignee: Shanghai Automobile Gear Works
Priority date: 2018-03-01
Filing date: 2018-03-01
Publication date: 2025-02-25
Anticipated expiration: 2038-03-01
Also published as: CN110220435A

Abstract

An integrated integrated inspection tool for a combined tooth forging blank includes: a base and a positioning mechanism arranged on the base, three distance measuring mechanisms, a diameter detection mechanism and a combined tooth runout measurement mechanism, wherein: the distance measuring mechanism, the diameter detection mechanism and the combined tooth runout measurement mechanism are arranged around the positioning mechanism and are in contact with the forging blank to be measured respectively. The device integrates a height inspection tool, an outer diameter inspection tool and a combined tooth runout inspection tool into one, and can detect multiple indicators at one time without moving the forging blank, and the operation is simple and fast, with high accuracy, and is suitable for on-site measurement.

Description

Integrated combined tooth forging stock comprehensive checking fixture

Technical Field

The invention relates to a technology in the field of automobile manufacturing, in particular to a comprehensive gauge for the height, diameter and jumping of an integrated combined tooth forging stock.

Background

An integrated combination tooth gear is a key component in a transmission. The integrated combined tooth gear is usually manufactured by forging, and qualified finished products are manufactured through machining and other procedures, so that the phenomenon of insufficient allowance in the machining process is avoided, and each key parameter of the forging is required to be measured and screened after forging, so that the size of the forging blank is qualified. The traditional measuring mode adopts slide caliper to measure one by one to different sizes, and to the measurement of the independent gauge that needs that the bonding tooth beats, detection instrument is many, and measurement process is loaded down with trivial details and measurement time is long, has reduced on-the-spot measuring efficiency.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the integrated combined tooth forging stock comprehensive gauge which integrates the height gauge, the outer diameter gauge and the combined tooth runout gauge, can detect a plurality of indexes at one time without moving the forging stock, is simple and quick to operate, has high accuracy, and is suitable for on-site measurement.

The invention is realized by the following technical scheme:

The invention comprises a base, a positioning mechanism, three distance measuring mechanisms, a diameter detecting mechanism and a combined tooth runout measuring mechanism, wherein the positioning mechanism, the three distance measuring mechanisms, the diameter detecting mechanism and the combined tooth runout measuring mechanism are arranged around the positioning mechanism and are respectively contacted with forging stock to be measured.

The positioning mechanism comprises a positioning seat with an annular structure and a positioning block with a V-shaped structure, wherein the positioning seat is fixedly arranged on a base, and the to-be-detected combined tooth forging stock is arranged on the positioning seat in parallel and is tightly attached to the positioning block by self gravity.

The distance measuring mechanism comprises a measuring arm arranged on a base, and a measuring head and a measuring meter which are respectively connected with two ends of the measuring arm, wherein the measuring head is vertically and slidably arranged on the measuring arm and is parallel to the central axis direction of the positioning seat, and the measuring head drives the measuring meter at the other end to move for measurement through the measuring arm after the positioning is completed.

The distance measuring mechanism is preferably provided with a horizontal sliding rail at the bottom, and can move back and forth through the horizontal sliding rail.

The rear side of the horizontal sliding rail is provided with a rotary switch for controlling the moving distance of the horizontal sliding rail.

The diameter detection mechanism comprises two measuring arms movably arranged on the transmission rod, wherein the first diameter measuring arm and the second diameter measuring arm are respectively and oppositely arranged at two sides of the positioning mechanism, the two measuring arms are respectively provided with a measuring head and a measuring meter which are contacted with a to-be-detected combined tooth forging stock, and the measuring meter and the transmission rod horizontally move on the same axis.

The combined tooth runout measuring mechanism comprises a measuring arm movably arranged on a base through a horizontal guide rail and a rotating arm connected with the horizontal guide rail, wherein the horizontal guide rail adjusts the horizontal movement distance through the rotating arm, one end of the measuring arm is provided with a measuring head, and the other end of the measuring arm is provided with a measuring meter.

Technical effects

Compared with the prior art, the device can measure three dimensions of height, diameter and runout simultaneously, avoids the situation that the measuring head wears parts when the bridge of the nose is in runout measurement through structures such as the horizontal sliding rail, and is convenient to operate, high in efficiency, high in dimension measurement precision and small in measurement error.

Drawings

FIGS. 1a and 1b are schematic views of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a nose bridge height measurement configuration;

FIGS. 3a and 3b are schematic views of an outer diameter measuring structure;

FIG. 4 is a schematic view of a step height measurement structure;

FIG. 5 is a schematic diagram of a bond tooth runout measurement configuration;

FIG. 6 is a schematic diagram of a flange thickness measurement configuration;

In the figure, a base, a 2 cushion block, a3 first positioning block, a 4 positioning seat, a 5 first machine foot, a 6 second machine foot, a 7 fixing strip, a 101 horizontal sliding rail, a 102 positioning strip, a 103 measuring gauge fixing block, a 104 second positioning block, a 105 measuring seat, a 106 nose bridge height measuring arm, a 107 nose bridge height measuring head, a 108 rotary switch, a 109 nose bridge height measuring gauge, a 110 horizontal sliding rail top, a 120 vertical guide column, a 121 spring, a 201 positioning plate, a 202 third positioning block, a 203 measuring seat, a 204 horizontal guide column, a 205 spring, a 206 diameter second measuring arm, a 207 outer diameter measuring head, a 208 transmitting rod, a 209 first fixing block, a 210 outer diameter measuring head, a 211 diameter first measuring arm, a 301 positioning strip, a 302 step height measuring arm, a 303 step height measuring head, a 304 step height measuring head, a 401 second fixing block, a 402 horizontal guide rail, a 403 fourth positioning block, a 404 third fixing block, a 405 limiting plate, a 406 combined tooth runout measuring arm, a 408 measuring head, a 409 rotating seat, a 410 rotating arm 411, a connecting rod, a 412, a fifth transmitting arm, a 503 thickness measuring arm, a 502, a 506 limiting strip, a 506 and a limiting strip.

Detailed Description

As shown in fig. 1a and 1b, the present embodiment includes a base 1, a positioning mechanism a provided on the base 1, three distance measuring mechanisms b, c, d, a diameter detecting mechanism e, and a coupling tooth runout measuring mechanism f.

The positioning mechanism a comprises a cushion block 2, a first positioning block 3 and a positioning seat 4.

As shown in fig. 2, the first distance measuring mechanism b includes a positioning bar 102, a gauge fixing block 103, a second positioning block 104, a measuring seat 105, a nose bridge height measuring arm 106, a nose bridge height measuring head 107, a nose bridge height measuring gauge 109, a vertical guide post 120, and a spring 121.

The first distance measuring mechanism is further provided with a horizontal sliding rail 101 and a rotary switch 108, and the nose bridge height measuring mechanism can be driven to slide radially through rotation of the rotary switch 108.

As shown in fig. 2, 3a and 3b, the diameter detection mechanism e includes a positioning plate 201, a third positioning block 202, a measuring base 203, a horizontal guiding column 204, a spring 205, a diameter second measuring arm 206, an outer diameter measuring head 207, a transmission rod 208, a first fixing block 209, an outer diameter measuring meter 210 and a diameter first measuring arm 211.

As shown in fig. 4, the second distance measuring mechanism c includes a positioning bar 301, a step height measuring arm 302, a step height measuring head 303, and a step height measuring meter 304.

As shown in fig. 5, the combined tooth runout measuring mechanism f includes a second fixed block 401, a horizontal guide rail 402, a fourth positioning block 403, a third fixed block 404, a limiting plate 405, a combined tooth runout measuring table 406, a fourth measuring arm 407, a measuring head 408, a rotating seat 409, a rotating arm 410, a connecting rod 411, and a transmission arm 412.

As shown in fig. 6, the third distance measuring mechanism d includes a fifth positioning block 501, a thickness measuring arm 502, a first limiting bar 503, a second limiting bar 504, a control rod 505, a flange thickness measuring meter 506, and a limiting plate 507.

As shown in fig. 1 to 6, the device works in the following manner:

The zeroing operation, namely placing the standard part on the positioning seat 4, enabling the outer diameter of the standard part to be tightly attached to the V-shaped first positioning block 3, enabling the standard part to be in contact with the nose bridge height measuring head 107, the step height measuring head 303 and the outer diameter measuring head 207 at the moment, enabling the first limiting bar 503 to rotate clockwise to a position in contact with the second limiting bar 504 by rotating the control rod 505, enabling the flange thickness measuring meter 506 to rotate in contact with the standard part at the moment, rotating the dials of the measuring meters, and enabling the pointers of the nose bridge height measuring meter 109, the step height measuring meter 304, the outer diameter measuring meter 210 and the flange thickness measuring meter 506 to point to zero positions.

Step one, after the to-be-detected combined tooth forging stock is placed on the positioning seat 4, the to-be-detected combined tooth forging stock is contacted with the nose bridge height measuring head 107, the measuring seat 105, the nose bridge height measuring arm 106 and the nose bridge height measuring head 107 move downwards along the whole vertical guide post 120, the rotary switch 108 is rotated to enable the horizontal slide rail top 110 and the first distance measuring mechanism b to move horizontally, the nose bridge height measuring head 107 is located at the to-be-detected combined tooth forging stock measured position, the nose bridge height measuring head 109 rotates a pointer due to the change of the height of the measuring seat 105, the numerical value in the pointer is recorded, and whether the to-be-detected combined tooth forging stock is qualified or not is obtained by judging whether the pointer exceeds the required range or not.

And secondly, the second fixed block 401 is clockwise broken, the measuring head 408 is driven to move to a measuring origin by the connecting rod 411, the driving arm 412, the fourth positioning block 403 and the fourth measuring arm 407, then the rotating arm 410 is anticlockwise rotated, the measuring head 408 is driven to integrally move leftwards by the driving arm 412, the fourth positioning block 403, the third fixed block 404, the combined tooth jumping measuring table 406 and the fourth measuring arm 407 and is positioned between two combined teeth, at the moment, the measuring head of the combined tooth jumping measuring table 406 is abutted against the first limiting plate 405, the data pointed by the pointer is basic position data, the measuring head 408 is withdrawn after the dial is zeroed, the combined tooth positions are replaced for repeated measurement, the maximum and minimum range indicated by the pointer between different combined teeth is calculated, and a conclusion that whether the combined tooth jumping condition of the combined tooth blank to be tested is qualified can be obtained.

And thirdly, rotating the thickness measuring arm 502 anticlockwise to a position contacted with the second limiting plate 507 through the control rod 505, and then rotating the thickness measuring arm 502 clockwise through the control rod 505 until the first limiting bar 503 is contacted with the second limiting bar 504, wherein the measuring head of the flange thickness measuring meter 506 is contacted with the to-be-measured combined tooth forging stock, recording the numerical value in the meter, and obtaining a conclusion whether the flange thickness of the to-be-measured combined tooth forging stock is qualified or not through whether the pointer exceeds the required range or not.

The foregoing embodiments may be partially modified in numerous ways by those skilled in the art without departing from the principles and spirit of the invention, the scope of which is defined in the claims and not by the foregoing embodiments, and all such implementations are within the scope of the invention.

Claims

1. An integrated integrated inspection tool for a combined tooth forging blank, characterized in that it comprises: a base and a positioning mechanism arranged on the base, three distance measuring mechanisms, a diameter detection mechanism and a combined tooth runout measurement mechanism for measuring nose bridge height, step height and flange thickness respectively, wherein: the distance measurement mechanism, the diameter detection mechanism and the combined tooth runout measurement mechanism are arranged around the positioning mechanism and are in contact with the forging blank to be measured respectively;

The positioning mechanism comprises: a positioning seat of an annular structure fixedly arranged on the base and a positioning block of a V-shaped structure, wherein: the combined tooth forging blank to be tested is arranged parallel to the positioning seat and is pressed against the positioning block by its own gravity;

The first distance measuring mechanism in the distance measuring mechanism comprises: a positioning bar, a measuring table fixing block, a second positioning block, a measuring seat, a nose bridge height measuring arm, a nose bridge height measuring head, a nose bridge height measuring table, a vertical guide column, a spring, a horizontal slide rail and a rotary switch, and the nose bridge height measuring mechanism is driven to slide radially by the rotation of the rotary switch;

The second distance measuring mechanism in the distance measuring mechanism comprises: a positioning bar, a step height measuring arm, a step height measuring head and a step height measuring table;

The third distance measuring mechanism in the distance measuring mechanism includes: a fifth positioning block, a thickness measuring arm, a first limit strip, a second limit strip, a control rod, a flange thickness measuring gauge, and a limit plate;

The diameter detection mechanism comprises: two measuring arms movably arranged on the transmission rod, wherein: the first diameter measuring arm and the second diameter measuring arm are respectively arranged on the two sides of the positioning mechanism, and the two measuring arms are respectively provided with a probe and a measuring table in contact with the combined gear forging blank to be measured, and the measuring table and the transmission rod move horizontally on the same axis;

The combined tooth runout measuring mechanism comprises: a measuring arm movably arranged on a base through a horizontal guide rail and a rotating arm connected to the horizontal guide rail, wherein: the horizontal guide rail adjusts the horizontal moving distance through the rotating arm, a probe is provided at one end of the measuring arm, and a measuring meter is provided at the other end;

A rotary switch is provided on the rear side of the horizontal slide rail to control the moving distance of the horizontal slide rail;

The comprehensive inspection tool works in the following ways:

Zero adjustment operation: Place the standard part on the positioning seat, and make the outer diameter of the standard part close to the positioning block of the V-shaped structure. At this time, the standard part will contact the nose bridge height probe, step height probe, and outer diameter probe; by turning the control lever, the first limit bar will rotate clockwise to the position in contact with the second limit bar. At this time, the flange thickness measuring gauge will rotate in contact with the standard part, and the dials of each measuring gauge will be turned to make the pointers of the nose bridge height measuring gauge, step height measuring gauge, outer diameter measuring gauge, and flange thickness measuring gauge point to zero position;

Step 1: After placing the combined gear forging blank to be tested on the positioning seat, the combined gear forging blank to be tested is in contact with the nose bridge height probe, the measuring seat, the nose bridge height measuring arm, and the nose bridge height probe are moved downward along the vertical guide column as a whole, and the rotary switch is rotated to make the top of the horizontal slide rail and the first distance measuring mechanism move horizontally as a whole, so that the nose bridge height probe is located at the measured position of the combined gear forging blank to be tested. Due to the change in the height of the measuring seat, the pointer of the nose bridge height measuring table rotates, and the value in the table is recorded. Whether the pointer exceeds the required range is used to draw a conclusion on whether the combined gear forging blank to be tested is qualified;

Step 2, bend the second fixed block clockwise, and drive the probe to the measurement origin through the connecting rod, the transmission arm, the fourth positioning block, and the fourth measuring arm; then rotate the rotating arm counterclockwise, and drive the probe to move to the left as a whole and be located between the two combining teeth through the transmission arm, the fourth positioning block, the third fixed block, the combined tooth runout measuring table, and the fourth measuring arm. At this time, the probe of the combined tooth runout measuring table is against the first limit plate, and the data pointed by the pointer is the basic position data; after adjusting the dial to zero, withdraw the probe, change the combined tooth position and repeat the measurement, calculate the maximum and minimum ranges indicated by the pointer between different combined teeth, and then draw a conclusion on whether the combined tooth runout of the combined tooth forging blank to be tested is qualified;

Step 3: Use the operating lever to rotate the thickness measuring arm counterclockwise to the position in contact with the second limit plate; then use the operating lever to rotate the thickness measuring arm clockwise until the first limit bar contacts the second limit bar. At this time, the probe of the flange thickness measuring meter contacts the combined gear forging blank to be measured, and the values in the table are recorded. Whether the pointer exceeds the required range can be used to draw a conclusion on whether the flange thickness of the combined gear forging blank to be measured is qualified.