CN203298686U - Checking fixture for checking wall thickness difference of deep hole of shaft workpiece - Google Patents
Checking fixture for checking wall thickness difference of deep hole of shaft workpiece Download PDFInfo
- Publication number
- CN203298686U CN203298686U CN2013202895642U CN201320289564U CN203298686U CN 203298686 U CN203298686 U CN 203298686U CN 2013202895642 U CN2013202895642 U CN 2013202895642U CN 201320289564 U CN201320289564 U CN 201320289564U CN 203298686 U CN203298686 U CN 203298686U
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- thickness difference
- deep hole
- sounding rod
- base
- cubing
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a checking fixture for checking the wall thickness difference of a deep hole of a shaft workpiece. The checking fixture comprises a rectangular base, a first support seat, a second support seat and a connection seat which are sequentially arranged on the upper surface of the base along the length direction, wherein a V-shaped groove with an upward opening is arranged on the first support seat and the second support seat respectively, the connection seat is movably and adjustably fixed on the base along the length direction of the base by a movement adjustment mechanism; a connection block capable of vertically rotating is hinged on the connection seat, an upper measurement rod and a lower measurement rod in a vertical interval with the upper measurement rod are fixed on the rotation end of the connection block, the vertical projections of the upper measurement rod and the lower measurement rod on the base are coincident with the connection line between the bottoms of the V-shaped grooves of the first support seat and the second support seat; a projection part is arranged on the lower side of the end of the lower measurement rod. In the premise of not damaging the shaft workpiece, the thickness difference of different parts of the axial deep hole is convenient to check, and the check efficiency and the check precision are improved.
Description
Technical field
The utility model relates to the poor cubing of detection workpiece hole wall thickness, relates in particular to a kind of cubing that detects axle class part deep hole Wall-Thickness Difference.
Background technology
in machining, often need to carry out axial hole processing to shaft-like workpiece, at present drilling operating because of installation way and locator meams defective cause boring after exist Wall-Thickness Difference overproof, when exceeding the predetermined surplus of product, just produce product rejection, when being through hole, conventional products can directly with vernier caliper, detect Wall-Thickness Difference, the region between the heart and the diaphragm hole product can only be measured the Wall-Thickness Difference at place, aperture, each position difference of the region between the heart and the diaphragm hole could detect after can only dividing different cross section to do destruction, this detection mode is namely time-consuming, effort also produces waste product simultaneously, for solving this axle class deep hole wall thickness difference detection tool of the ad hoc meter of this difficult problem.
The utility model content
The technical matters that the utility model solves is: a kind of cubing that detects axle class part deep hole Wall-Thickness Difference is provided, can be under the prerequisite of not destroying shaft-like workpiece the thickness difference at each position of axial deep hole of shaft-like workpiece be detected easily.
The technical solution of the utility model is: a kind of cubing that detects axle class part deep hole Wall-Thickness Difference, comprise the rectangle base, it is characterized in that, described base upper surface is provided with the first supporting seat, the second supporting seat and Connection Block along its length successively, described the first supporting seat is respectively equipped with identical and opening up " V " type groove with described the second supporting seat, and described Connection Block is by moving adjusting mechanism being fixed on described base along the removable adjustment of described base length direction; On described Connection Block, be hinged with the contiguous block that can rotate up and down, the rotation end of this contiguous block fixedly has upper sounding rod and the lower sounding rod of up and down spacing distance, and described upper sounding rod, described lower sounding rod all coincide with the connecting line between " V " type groove bottom land of " V " type groove bottom land of described the first supporting seat and described the second supporting seat in the vertical projection on described base; The end downside of described lower sounding rod is provided with a protuberance.when the utility model uses, this cubing of adjusting after assembling is put on a smooth surface level, lift sounding rod, lower sounding rod, and the axial deep hole that will need the shaft-like workpiece that detects is aimed at lower sounding rod and slowly puts into, until touching the workpiece deep hole, lower sounding rod protuberance need to detect position, then around the rotation of lower sounding rod downwards and by stable the putting down gently on " V " of the first supporting seat and the second supporting seat type groove of workpiece for measurement, again the gauge stand of dial gauge is adsorbed on base, the upper side of the upper sounding rod end of gauge head contact of dial gauge, and the about 1mm of depth of tooth penetration of adjustment dial gauge, then rotate gently workpiece for measurement, workpiece for measurement can not break away from " V " type groove of the first supporting seat and the second supporting seat and be careful the numerical value of dial gauge in rotary course, because two sounding rods are affixed on contiguous block, contiguous block can rotate around Connection Block up and down along with the wall thickness depth of lower sounding rod feedback, during the contiguous block rotation, driving upper connecting rod teeters, the displacement that upper connecting rod will teeter is delivered on dial gauge, after rotating a circle, reads workpiece for measurement maximal value and the minimum value of dial gauge, the difference of maximal value and minimum value is the Wall-Thickness Difference of this section of workpiece for measurement.If need to detect the Wall-Thickness Difference in other cross sections of workpiece for measurement, need to readjust the position of Connection Block in the base length direction, Connection Block is got final product along adjusting in the manner described above to measure after the base length direction moves to corresponding position.
Described protuberance is steel ball.The downside spherical crown surface of steel ball can fully contact with the longhole inner circle cambered surface of shaft-like workpiece to be measured, has improved measuring accuracy.
The end below of described lower sounding rod is milled with an equilateral triangle groove, and described steel ball is fixed in described equilateral triangle groove.What be convenient to that steel ball can be stable is fixing.
Described steel ball exposes the downside 0.25～0.4mm of described lower sounding rod.The downside spherical crown surface of further guaranteeing steel ball can fully contact with the longhole inner circle cambered surface of shaft-like workpiece to be measured, has improved measuring accuracy.
The opening angle of described " V " type groove is 60 °, and the opening angle bisector of " V " type groove is perpendicular to described base upper surface.Be convenient to the placement that shaft-like workpiece to be measured can be stable.
Described moving adjusting mechanism comprises two T-shape slot guide rails that arrange along described base length direction, article two, the T-shape slot guide rail is parallel to each other and runs through at described base thickness direction, and described Connection Block is positioned on described two T-shape slot guide rails and by screw to be fixed with described two T-shape slot guide rails are dismountable respectively.Connection Block can be crossed can move adjustment stably along two T-shape slot guide rails, and convenient the movement adjusted and fix with base simultaneously.
The hinged end of described contiguous block is equipped with the open type deep groove ball bearing, and this open type deep groove ball bearing is arranged on the top of described Connection Block by screw rod.Being convenient to contiguous block can rotate around Connection Block stably, accurately the rotation displacement of lower sounding rod is delivered to upper sounding rod, has guaranteed measuring accuracy.
The end upside of described upper sounding rod is plane, and this plane parallel is in described base upper surface.When easy to use, the upper side of sounding rod end in the contact that the gauge head of dial gauge can be stable.
The beneficial effects of the utility model are: the utility model can be under the prerequisite of not destroying shaft-like workpiece detects easily to the thickness difference at each position of axial deep hole of shaft-like workpiece, has improved detection efficiency and accuracy of detection.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the P place enlarged diagram of Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
referring to Fig. 1～Fig. 3, a kind of cubing that detects axle class part deep hole Wall-Thickness Difference, comprise rectangle base 1, base 1 upper surface is provided with the first supporting seat 21 along its length successively, the second supporting seat 22 and Connection Block 3, the first supporting seat 21 is respectively equipped with identical and opening up " V " type groove with the second supporting seat 22, the first supporting seat 21, the second supporting seat 22 is 60 ° by two back-up blocks respectively and is formed by fixedly connecting, and form opening up " V " type groove, the opening angle of " V " type groove is 60 °, and the opening angle bisector of " V " type groove is perpendicular to base 1 upper surface.Connection Block 3 is by moving adjusting mechanism being fixed on base 1 along the removable adjustment of base 1 length direction, moving adjusting mechanism comprises two T-shape slot guide rails 71,72 that arrange along the base length direction, article two, T-shape slot guide rail 71,72 is parallel to each other and runs through at base 1 thickness direction, and Connection Block 3 is positioned on two T-shape slot guide rails 71,72 and by screw 8 to be fixed with two T-shape slot guide rails 71,72 are dismountable respectively.On Connection Block 3, be hinged with the contiguous block 4 that can rotate up and down, the rotation end of this contiguous block 4 is fixed on upper sounding rod 51 and the lower sounding rod 52 with up and down spacing distance, and upper sounding rod 51, lower sounding rod 52 all coincide with the connecting line between " V " type groove bottom land of " V " type groove bottom land of the first supporting seat 21 and the second supporting seat 22 in the vertical projection on base 1; The end downside of lower sounding rod 52 is provided with a protuberance 6, and below the end of lower sounding rod 52, be milled with an equilateral triangle groove 52 ', this protuberance is fixed on described equilateral triangle groove 52 ', protuberance 6 in the present embodiment is steel ball, steel ball is adhesively fixed in equilateral triangle groove 52 ', and steel ball exposes the downside 0.25～0.4mm of lower sounding rod 52.The hinged end of contiguous block 4 is equipped with open type deep groove ball bearing 9, and this open type deep groove ball bearing 9 is arranged on the top of Connection Block 3 by screw rod 10.The end upside of upper sounding rod 51 is plane, and this plane parallel is in base upper surface.the utility model is to use like this: when the utility model uses, this cubing of adjusting after assembling is put on a smooth surface level, lift sounding rod 51, lower sounding rod 52, and the axial deep hole that will need the shaft-like workpiece 11 that detects is aimed at lower sounding rod 52 and slowly puts into, until touching workpiece 11 deep holes, the steel ball of lower sounding rod 52 need to detect position, then around 52 rotations of lower sounding rod downwards and by stable the putting down gently on " V " type groove of the first supporting seat 21 and the second supporting seat 22 of workpiece for measurement 11, dial indicator holder is adsorbed on base 1 again, the planar portions of the upper side of upper sounding rod 51 ends of gauge head contact of dial gauge, and the about 1mm of depth of tooth penetration of adjustment dial gauge, then rotate gently workpiece for measurement 11, workpiece for measurement 11 can not break away from " V " type groove of the first supporting seat 21 and the second supporting seat 22 and be careful the numerical value of dial gauge in rotary course, due to upper sounding rod 51, lower sounding rod 52 is affixed on contiguous block 4, contiguous block 4 can rotate around Connection Block 3 up and down along with the wall thickness depth of lower sounding rod 52 feedbacks, during contiguous block 4 rotation, driving upper connecting rod 51 teeters, the displacement that upper connecting rod 51 will teeter is delivered on dial gauge, after rotating a circle, reads workpiece for measurement 11 maximal value and the minimum value of dial gauge, the difference of maximal value and minimum value is the Wall-Thickness Difference of this section of workpiece for measurement.If need to detect the Wall-Thickness Difference in other cross sections of workpiece for measurement, need to readjust the fixed position of Connection Block 3, be about to Connection Block 3 and get final product along adjusting in the manner described above to measure after base 1 length direction moves to corresponding position.
Claims (8)
1. cubing that detects axle class part deep hole Wall-Thickness Difference, comprise rectangle base (1), it is characterized in that: described base (1) upper surface is provided with the first supporting seat (21), the second supporting seat (22) and Connection Block (3) along its length successively, described the first supporting seat (21) is respectively equipped with identical and opening up " V " type groove with described the second supporting seat (22), and described Connection Block (3) is by moving adjusting mechanism being fixed on described base (1) along the removable adjustment of described base (1) length direction; On described Connection Block (3), be hinged with the contiguous block (4) that can rotate up and down, the rotation end of this contiguous block (4) is fixed with upper sounding rod (51) and the lower sounding rod (52) with up and down spacing distance, and described upper sounding rod (51), described lower sounding rod (52) all coincide with the connecting line between " V " type groove bottom land of " V " type groove bottom land of described the first supporting seat (21) and described the second supporting seat (22) in the vertical projection on described base (1); The end downside of described lower sounding rod (52) is provided with a protuberance (6).
2. according to the cubing of detection axle class part deep hole Wall-Thickness Difference claimed in claim 1, it is characterized in that: described protuberance (6) is steel ball.
3. according to the cubing of detection axle class part deep hole Wall-Thickness Difference claimed in claim 2, it is characterized in that: the end below of described lower sounding rod (52) is milled with an equilateral triangle groove (52 '), and described steel ball is fixed in described equilateral triangle groove (52 ').
4. according to the cubing of detection axle class part deep hole Wall-Thickness Difference claimed in claim 2, it is characterized in that: described steel ball exposes the downside 0.25～0.4mm of described lower sounding rod (52).
5. according to the cubing of detection axle class part deep hole Wall-Thickness Difference claimed in claim 1, it is characterized in that: the opening angle of described " V " type groove is 60 °, and the opening angle bisector of " V " type groove is perpendicular to described base (1) upper surface.
6. according to the cubing of detection axle class part deep hole Wall-Thickness Difference claimed in claim 1, it is characterized in that: described moving adjusting mechanism comprises two T-shape slot guide rails (71,72) that arrange along described base length direction, article two, T-shape slot guide rail (71,72) is parallel to each other and runs through at described base (1) thickness direction, and it is upper and dismountable fixing with described two T-shape slot guide rails (71,72) respectively by screw (8) that described Connection Block (3) is positioned at described two T-shape slot guide rails (71,72).
7. according to the cubing of detection axle class part deep hole Wall-Thickness Difference claimed in claim 1, it is characterized in that: the hinged end of described contiguous block (4) is equipped with open type deep groove ball bearing (9), and this open type deep groove ball bearing (9) is arranged on the top of described Connection Block (3) by screw rod (10).
8. according to the cubing of detection axle class part deep hole Wall-Thickness Difference claimed in claim 1, it is characterized in that: the end upside of described upper sounding rod (51) is plane, and this plane parallel is in described base upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202895642U CN203298686U (en) | 2013-05-24 | 2013-05-24 | Checking fixture for checking wall thickness difference of deep hole of shaft workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202895642U CN203298686U (en) | 2013-05-24 | 2013-05-24 | Checking fixture for checking wall thickness difference of deep hole of shaft workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203298686U true CN203298686U (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202895642U Expired - Fee Related CN203298686U (en) | 2013-05-24 | 2013-05-24 | Checking fixture for checking wall thickness difference of deep hole of shaft workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203298686U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457667A (en) * | 2014-12-17 | 2015-03-25 | 中国南方航空工业(集团)有限公司 | Device and method for measuring wall thicknesses of deep holes of slender shaft |
| CN110411396A (en) * | 2019-05-15 | 2019-11-05 | 上海大学 | A kind of deep hole wall thickness on-line measuring device |
-
2013
- 2013-05-24 CN CN2013202895642U patent/CN203298686U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457667A (en) * | 2014-12-17 | 2015-03-25 | 中国南方航空工业(集团)有限公司 | Device and method for measuring wall thicknesses of deep holes of slender shaft |
| CN110411396A (en) * | 2019-05-15 | 2019-11-05 | 上海大学 | A kind of deep hole wall thickness on-line measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20180524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |