CN212931271U

CN212931271U - Ring groove diameter detector

Info

Publication number: CN212931271U
Application number: CN202022443129.3U
Authority: CN
Inventors: 孙绍洋; 孙良帮
Original assignee: Chongqing Sitong Machinery Technology Co ltd
Current assignee: Chongqing Sitong Machinery Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-04-09
Anticipated expiration: 2030-10-28

Abstract

The utility model provides an annular diameter detector relates to automobile parts detection device's technical field, and it includes the sliding bearing platform and fixes the butt piece that is used for the butt annular on the sliding bearing platform, the side level of butt piece is provided with a long banding butt portion, the sliding bearing platform is the rectangular plate still be fixed with the test meter that is used for measuring the annular diameter on the sliding bearing platform, the test meter is percentage table or amesdial, the test meter is provided with dial plate and the test end that is used for showing test value, the test end of test meter sets up with the butt portion of butt piece relatively. The device has the advantage of reducing the test error caused by artificially eccentrically clamping the workpiece.

Description

Ring groove diameter detector

Technical Field

The utility model relates to an automobile parts detection device's technical field especially relates to an annular groove diameter detector.

Background

The turbine shaft sleeve is an important part of an automobile, and the dimensional processing precision of an important part of the turbine shaft sleeve has great influence on the quality and the service life of the turbine shaft sleeve. The turbine shaft sleeve is a stepped disc-shaped component provided with a through hole along the axis of the turbine shaft sleeve, and one important part of the turbine shaft sleeve is the diameter of a large-end outer cylindrical surface ring groove.

According to the related art, when the diameter of the ring groove of the turbine shaft sleeve is produced or detected, a vernier caliper is generally used for measurement to detect the dimensional error of the product.

The prior related art has the following technical defects: when an operator measures, firstly, the workpiece needs to be clamped on the vernier caliper, and then the reading value of the vernier caliper is observed.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a ring groove diameter detector, it has solved the great problem of error that causes because of artificial eccentric centre gripping that exists among the prior art.

According to the utility model discloses an embodiment, a ring groove diameter detector, it includes the slip cushion cap and fixes the butt piece that is used for the butt annular on the slip cushion cap, the side level of butt piece is provided with a long banding butt portion, the slip cushion cap is the rectangular plate still be fixed with the test meter that is used for measuring the ring groove diameter on the slip cushion cap, the test meter is percentage table or amesdial, the test meter is provided with dial plate and the test end that is used for showing test value, the test end of test meter sets up with the butt portion of butt piece relatively.

Through the technical scheme, when the diameter of the annular groove of the workpiece is tested, the workpiece is placed on the sliding bearing platform and abutted with the abutting part of the abutting part, the workpiece slides along the length direction of the abutting part, and the maximum value displayed by the test meter in the sliding process of the workpiece is the actual size of the workpiece; the sliding process of the workpiece is always kept in a butting state with the sliding bearing platform, so that the annular groove is in a horizontal state, the possibility of eccentricity of the annular groove of the workpiece is reduced, the measured value of the workpiece is more accurate, and human errors are reduced.

Preferably, a connecting piece is arranged between the sliding bearing platform and the test meter, a through hole parallel to the main plane of the sliding bearing platform is formed in the connecting piece, and the test meter is detachably mounted in the through hole.

Through the technical scheme, when the required precision of the measured workpiece is different, the structure that the test meter is detachably arranged in the through hole is utilized, so that the test meters with different precisions can be more convenient, and the function of the device is diversified; when the device is not used, the test meter can be detached for storage, and the possibility of damage to the test meter is reduced.

Preferably, a test head for abutting against the chute is detachably mounted at the test end.

Through above technical scheme, when the annular of different width need be tested, utilize test head detachable structure, can be more convenient to change different test heads to the width of annular.

Preferably, the dial plate of the test meter is provided with an allowable error range area and an allowable error range exceeding area, and a color coating is coated in the allowable error range exceeding area.

Through above technical scheme, when detecting whether qualified when the work piece in batches, only need observe whether the table needle of test table can judge in the error tolerance range region, the setting of coloured coating can provide obvious district of drawing for the dial plate, makes things convenient for operating personnel to observe, judge more.

Preferably, a sliding piece for positioning the workpiece is further mounted on the sliding bearing platform in a sliding mode.

Through above technical scheme, the sliding part can conveniently be used for the location work piece, can reduce the friction of work piece and slip cushion cap at the in-process that slides, reduces the wearing and tearing that the work piece received.

Preferably, a standard part of a test zero point for the adjusting device is detachably mounted on the sliding bearing platform.

Through above technical scheme, the standard component is for being used for adjusting the test table, when the test value is the numerical value in the error range of standard component, transfers the test table to zero point, for zero position test point promptly to make things convenient for the later stage to measure the pointer deflection direction in order to conveniently observe the test table to the work piece, make operating personnel can be more quick judgement test work piece whether in the error allowance range.

Preferably, the sliding bearing platform, the abutting piece, the test head, the sliding piece and the standard piece are all made of Cr 12.

Through the technical scheme, the collar part manufactured by the Cr12 is more wear-resistant, so that the wear of the device can be reduced in the detection process, and the device can keep higher measurement accuracy.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the device has the potential advantage of reducing errors caused by eccentric clamping of the workpiece;

2. the colored coating is utilized to obviously mark out the area beyond the error range of the workpiece, so that the process of detecting the workpiece is more convenient, and the detection efficiency is improved.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is an exploded view of the present application;

FIG. 3 is a schematic structural view of the abutment member of the present application;

FIG. 4 is an enlarged view of section A of FIG. 2 of the present application;

fig. 5 is a partial cross-sectional view of a standard.

In the above drawings: 1. a sliding bearing platform; 2. an abutting member; 21. an abutting portion; 3. a test meter; 31. a dial plate; 32. a test end; 33. a test head; 331. anti-skid lines; 332. a butting head; 4. a connecting member; 41. perforating; 42. a fixing hole; 43. an abutment bolt; 5. a sliding member; 6. a standard component; 61. a standard circular ring; 62. a central bore; 7. and (4) a mounting piece.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1, the embodiment of the present invention provides an annular groove diameter detector, which includes a sliding bearing platform 1, a testing table 3 installed on the sliding bearing platform 1, and an annular groove abutting piece 2 for abutting against a workpiece, when the diameter of the annular groove is tested, the workpiece is abutted against the abutting piece 2 to slide, and in the sliding engineering of the workpiece, the maximum value displayed by the testing table 3 is the actual size of the workpiece; in the process of detection, because the work piece remains the state of butt with slip cushion cap 1 all the time, can reduce because of the eccentric possibility of manual operation reason lead to for the result of detection is more accurate.

Referring to fig. 1 and 2, the sliding bearing platform 1 is a rectangular plate, the sliding bearing platform 1 is made of steel plates, and in order to reduce the possibility that edges and corners of the sliding bearing platform 1 scratch operators, the edges and corners of the sliding bearing platform 1 are formed into chamfers or fillets.

One of them principal plane of slip cushion cap 1 is as the slip plane, is fixed with installed part 7 on the slip plane, and installed part 7 is "T" shape component, and installed part 7 can adopt the steel sheet preparation, and installed part 7 is mutually perpendicular with the principal plane of slip cushion cap 1, can adopt bolt fastening or welded fastening at the edge of slip cushion cap 1 between installed part 7 and the slip cushion cap 1.

Referring to fig. 2 and 3, the abutting member 2 is a rectangular plate, a convex abutting portion 21 is provided on the abutting member 2, the abutting portion 21 is an elongated member formed on one side surface of the abutting member 2, and the width of the abutting portion 21 is adapted to the width of the ring groove of the workpiece. The abutment member 2 is horizontally fixed on the top of the mounting member 7, and the abutment member 2 can be fixed on the mounting member 7 by bolts or welding.

Still install connecting piece 4 on sliding bearing platform 1, connecting piece 4 is a "T" shape component, and connecting piece 4 can adopt the steel sheet preparation, and connecting piece 4 can adopt bolt fastening or welded fastening on sliding surface of sliding bearing platform 1, and connecting piece 4 and installed part 7 are parallel to each other, has seted up a horizontally perforation 41 in connecting piece 4 near the position department at the top.

Referring to fig. 2 and 4, the test meter 3 may be a dial indicator or a dial indicator according to the needs of the field, and the test meter 3 is provided with a dial 31 for displaying the detection value and a testing end 32 for stretching. The detection principle of the test table 3 is the prior art, and the specific structure thereof is not described herein again.

The differences from the prior related art are as follows: the testing end 32 is detachably provided with a testing head 33 used for abutting against a workpiece, a sector-shaped allowable error range area and an excessive error allowable range area are arranged on the dial 31 of the testing table 3, a sector-shaped area formed from a zero point to the maximum error value point of the workpiece on the testing table 3 is the allowable error range area, and the rest part is the excessive error allowable range area. The color coating is coated in the area beyond the error allowable range, the color coating can adopt obvious colors such as red, orange, blue and the like, whether the pointer of the test table 3 is positioned in the color coating or not is observed, whether the machining size of the workpiece is qualified or not can be rapidly observed and judged, and the test table 3 can be obtained by being customized by a manufacturer.

The test head 33 is detachably mounted on the test end 32, the test head 33 is in threaded connection with the test end 32, anti-slip patterns 331 used for preventing slipping are formed in the middle of the test head 33, the anti-slip patterns 331 can be knurled in a net text shape, the test head 33 is provided with a butting head 332 used for butting against a workpiece in a forming mode, the butting head 332 is manufactured into a cone shape, the tip end of the butting head is formed into a hemispherical surface, and the possibility that the workpiece is scratched in the test process is reduced. When detecting the annular diameter of different width, utilize detachable structure between the two, can change different test head 33 for the practicality of device is stronger.

Test table 3 demountable installation is in perforation 41, for the convenience with test table 3 fastening installation in perforation 41, set up a fixed orifices 42 that is linked together with perforation 41 on connecting piece 4, and fixed orifices 42 is a screw hole, installs the butt bolt 43 that is used for butt test table 3 in fixed orifices 42. The test end 32 of the test meter 3 is disposed opposite to the abutting portion 21 of the abutting piece 2.

The sliding piece 5 used for positioning the workpiece is installed between the connecting piece 4 and the installing piece 7 in a sliding mode, the sliding piece 5 is a stepped cylindrical component, the sliding piece 5 can be made of cylindrical steel, the small end of the sliding piece 5 is matched with the through hole of the workpiece, the stepped portion is used for positioning the workpiece, and the possibility that the workpiece is abraded can be reduced due to the sliding piece 5 in the sliding process.

Referring to fig. 5, the sliding bearing platform 1 is further provided with a standard part 6 for positioning a test zero point, the standard part 6 is a stepped cylindrical component, the standard part 6 can be made of cylindrical steel, a standard circular ring 61 is formed at the step of the standard part, the diameter of the standard circular ring 61 is made according to the standard size of a workpiece ring groove, and a central hole 62 is formed in each of two ends of the standard part 6 for conveniently processing the standard part 6. When the standard piece 6 is used for testing zero point adjustment, the standard piece 6 is placed on the sliding bearing platform 1 and is abutted against the abutting part 21 of the abutting part 2, and the position of the testing table 3 is adjusted, so that the pointer of the testing table 3 is positioned at a zero point, namely the testing zero point.

The sliding bearing platform 1, the abutting part 2, the test head 33, the sliding part 5 and the standard part 6 are all made of Cr12, so that the device is more wear-resistant, and the service life of the device is prolonged.

The implementation principle of this application annular diameter detector: assembling and fixing all parts of the device, adjusting the test table 3 to a test zero point by using the standard piece 6, screwing the abutting bolt 43 to fix the test table 3, installing a workpiece to be tested on the sliding piece 5, abutting the workpiece on the abutting part 21 of the abutting piece 2, moving the workpiece along the length direction of the abutting part 21, wherein the maximum value displayed by the test table 3 in the sliding process of the workpiece is the actual size of the workpiece.

The colored coating can be used for detecting mass workpieces, whether the pointer of the test table 3 is located within the allowable error range or not is observed, if the pointer is not located within the allowable error range, the tested workpieces belong to qualified products, otherwise, quality problems exist, and the device has high detection efficiency.

In the process of detecting the workpiece, because the workpiece is in an abutting state with the abutting piece 2, an error generated along a direction perpendicular to the sliding direction of the workpiece can be ignored.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides an annular groove diameter detector which characterized in that: including sliding bearing platform (1) and fixing butt piece (2) that are used for the butt annular on sliding bearing platform (1), the side level of butt piece (2) is provided with a long banding butt portion (21), sliding bearing platform (1) is the rectangular plate still be fixed with test meter (3) that are used for measuring the annular diameter on sliding bearing platform (1), test meter (3) are percentage table or amesdial, test meter (3) are provided with dial plate (31) and test end (32) that are used for showing test value, test end (32) of test meter (3) set up with butt portion (21) of butt piece (2) relatively.

2. The apparatus for detecting the diameter of the ring groove according to claim 1, wherein: a connecting piece (4) is arranged between the sliding bearing platform (1) and the test meter (3), a through hole (41) parallel to the main plane of the sliding bearing platform (1) is formed in the connecting piece (4), and the test meter (3) is detachably installed in the through hole (41).

3. The apparatus for detecting the diameter of the ring groove according to claim 1, wherein: and a test head (33) used for abutting against the sliding groove is detachably mounted at the test end (32).

4. The apparatus for detecting the diameter of the ring groove according to claim 1, wherein: the dial plate (31) of the test meter (3) is provided with an allowable error range area and an allowable error range exceeding area, and a color coating is coated in the allowable error range exceeding area.

5. The apparatus for detecting the diameter of the ring groove according to claim 1, wherein: and a sliding part (5) for positioning the workpiece is also arranged on the sliding bearing platform (1) in a sliding manner.

6. The apparatus for detecting the diameter of the ring groove according to claim 5, wherein: and a standard part (6) of a test zero point for the adjusting device is detachably mounted on the sliding bearing platform (1).

7. The apparatus for detecting the diameter of the ring groove according to claim 6, wherein: the sliding bearing platform (1), the abutting part (2), the testing head (33), the sliding part (5) and the standard part (6) are all made of Cr 12.