CN202092538U

CN202092538U - Detecting tool for detecting included angles of bent axles

Info

Publication number: CN202092538U
Application number: CN2011200583045U
Authority: CN
Inventors: 寿震森
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-08
Filing date: 2011-03-08
Publication date: 2011-12-28
Anticipated expiration: 2021-03-08

Abstract

The utility model discloses a detecting tool, which adopts a stop-pass gauge method to detect included angles of mechanical parts of shaft categories and provides a simple and effective structural scheme for detection of shape and position errors of the mechanical parts. The detecting tool comprises drill chucks, positioning angle blocks, a detecting bar and the like. Two angle block seats, including a linear sliding angle block and a rotatable angle block, are mounted on a bottom plate of the detecting tool, the two drill chucks with identical heights or three-jaw chucks are respectively mounted on the two positioning angle blocks, the drill chucks can be used for centering and clamping, and the rotatable positioning angle block, can concentrically rotate around a central rotary shaft, and can naturally rotate to a position with the same angle with the bending angle of a workpiece after the workpiece to be detected is placed into two drill chuck holes and is clamped and centered. The angular deviation of the workpiece to be detected is within a permitted tolerance range if the detecting bar can be inserted into a rectangular hole of the bottom plate of the detecting tool all along, and accordingly the purpose that angular deflections of workpieces of the shaft categories can be detected by the pass-stop gauge method quickly, simply and conveniently is achieved.

Description

A kind of cubing that detects the cambered axle angle

Technical field:

The utility model is an a kind of cubing that adopts logical no-go gage method to detect axle class mechanical component angle angle, provides a kind of simple and easy effective organization plan to the morpheme error-detecting of mechanical component.

Background technology:

The known common detection mechanical component angle angle and the appliance of position are the protractor that follows for a long time basically, height gauge etc., and detecting operation inconvenience, accuracy of detection is not high; The three-coordinates measuring machine that developed recently gets up then and be not suitable for the production scene and carry out in enormous quantities instant the detection and use, the Modern Manufacturing Technology high speed development now, urgent need will be researched and developed a series of novel appliance and satisfy demand of practical production.

Especially at a large amount of production fields, be starved of and aspect angular detection, also adopt advantages of simplicity and high efficiency to lead to no-go gage method detection means, some relevant imaginations of carrying out shaped position degree context of detection that recently though some relevant patent disclosures arranged, " the position degree pick-up unit " of for example one " patent No.: CN201285267 ", be a kind of providing, come the position degree pick-up unit of measurement axis and hole location with plane positioning; " the position degree pick-up unit " of another " patent No.: CN201285265 " is to obtain the pick-up unit of V-type groove and hole location on the parts; " a kind of piston ring tread angle detection device " of another " patent No.: CN201434659 ", provide a kind of energy fast detecting piston ring tread angle whether to meet the pick-up unit of accuracy requirement, by elastic component interlock probe, displacement is presented on the angle display instrument, judge whether the piston ring gradient meets accuracy requirement, but all can not solve the problem that the logical no-go gage method of adopting of required solution herein detects axle class mechanical component angle angle aspect.

Summary of the invention:

The present utility model an a kind of quick cubing that adopts logical no-go gage method to detect axle class mechanical component angle angle, provide a kind of simple and easy effective organization plan to the morpheme error-detecting of mechanical component.Use the mentality of designing that this programme provides, can solve the detection problem of various axle class Shape Parts angle error with open-and-shut way.

The technical scheme that its technical matters that solves the utility model adopts is:

On the cubing base plate, two angle bar seats have been installed, one of them is the linear slide angle bar, another is rotatable angle bar.Two the highly identical drill chuck or scroll chucks of feeling relieved and clamping are installed respectively on two location angle bar, one of them rotatable location angle bar can rotate with one heart with central rotating shaft, linear slide location angle bar can carry out the front and back linear slide under the guiding of being fixed in the flat key on the cubing base plate.(but central rotating shaft is positioned at the central axis projection plane of the location angle bar of another linear slide), after measured workpiece being put into two drill chuck holes and Centering Clamping, this moment, rotatable location angle bar will be naturally forwards identical angle position to the angle of bend of workpiece.On the base plate of rotatable location angle bar, offering one can be for the rectangular opening of inspection rod insertion, correspondingly, on the same position on the cubing base plate, also offered a rectangular opening that angle is bigger, (the angle amplification quantity of this rectangular opening is to set according to the angle allowable tolerance value of measured workpiece), therefore, when the inspection rod can be inserted in the cubing base plate rectangular opening always, the angular deviation that just shows measured workpiece was in the scope of allowable tolerance; If the inspection rod inserts be obstructed, just show that the angular deviation of measured workpiece has exceeded the scope of allowable tolerance, thereby realized to adopt quickly and easily logical no-go gage method to detect the purpose of shaft-like workpiece angular deviation.

The basic characteristics of this measuring method are: can the feel relieved drill chuck that clamps or scroll chuck of employing comes shaft-like workpiece is carried out centring and decide the quick location of angle and fixes, even shaft-like workpiece diameter to be measured like this has sizable deviation range, or the two ends diameter is different big, adopts this law also can get rid of the error that these situations can cause.In addition, fixedly the angle bar base of drill chuck or scroll chuck can draw the axial line angle of shaft-like workpiece and amplify, and realizes adopting the inspection rod to lead to the possibility that the no-go gage method detects the workpiece angle.

The beneficial effects of the utility model are:

This novel mentality of designing of taking the advanced person has been simplified the process of axle class mechanical component axial line angle angular detection and the structure of cubing greatly, can generally be extended in the mechanical detection operation, improves the accuracy of detection and the speed of production scene.

Description of drawings:

The utility model is made up of basic parts such as drill chuck, location angle bar and inspection rods, the utility model is made further specifying below in conjunction with drawings and Examples.

Fig. 1 is the front view of a kind of workpiece embodiment to be detected.

Fig. 2 a is the front view that the cubing that detects the cambered axle angle is introduced in this case.

Fig. 2 b is the revolved sectional view of Fig. 2 a.

The part name of sequence number correspondence among the figure:

1. cubing base plate 2. drill chucks 3. workpiece to be detected

4. Rubber foot 5. linear slide are located angle bar 6. hex screws

7. examine excellent 8. round nuts, 9. rotatable location angle bar

10. central rotating shaft 11. socket head cap screws 12. packing rings

13. flat key

Embodiment:

Fig. 1 is the front view of a kind of workpiece embodiment to be detected, this is a kind of embodiment of automobile lever handle class part, the two ends diameter difference of this lever handle, and the margin tolerance of diameter is also quite big, but the strict control of the angle error of its axial line, and require to realize full inspection, therefore require a kind of brand-new logical no-go gage method that can adopt of design quick and precisely to check the cubing of its angle, this angle is exactly an A angle shown in Fig. 1 front elevation.

Fig. 2 a is the front view that the cubing that detects the cambered axle angle is introduced in this case, Fig. 2 b is the revolved sectional view of Fig. 2 a, the profile of this cubing is at the requirement of the required detection part of present embodiment design, if the pattern of part to be detected changes, as long as correspondingly changed the correlation parameter of cubing.

Can see by this two figure, on cubing base plate 1, two angle bar seats have been installed, one of them is a linear slide location angle bar 5, another is rotatable angle bar 9, linear slide location angle bar 5 can be under the guiding of being fixed in the flat key 13 on the cubing base plate 1, carry out the front and back linear slide, one of the effect of this angle bar is to be used for the central axis position of definite workpiece, another is the loading and unloading that are used for making things convenient for workpiece, be inserted in the drill chuck 2 of installation on the angle bar 9 of rotatable location earlier at a end after with workpiece 3 curved handles to be detected, linear slide can be located angle bar 5 and push ahead, make installation and the drill chuck 2 on the angle bar 5 of linear slide location the staight shank of workpiece partly can be located clamping.

Two drill chucks 2 all are that packing ring 12 and the round nut 8 by its tail end is fixed on the angle bar, and the stationary shaft of drill chuck is a hollow, workpiece 3 to be detected can be penetrated in the drill chuck like this and install.

Hex screw 6 is used for two angle bar are fixed in cubing base plate 1, after the workpiece location is correct, and can be angle bar is fixing at the place, position location with them.

Drill chuck 2 is suitable for fixing thinner workpiece for measurement axle, if the workpiece spindle diameter is bigger, can use scroll chuck instead, and they are fixed on two high and low positions on the angle bar is identical, so behind the clamping work pieces, can make the position of workpiece maintenance level.

Rotatable location angle bar 9 can rotate with one heart with central rotating shaft 10, but central rotating shaft 10 is positioned at the central axis vertical projection plane of the location angle bar 5 of another linear slide, after measured workpiece being put into two drill chuck holes and Centering Clamping, this moment, rotatable location angle bar will be naturally forwards identical angle position to the angle of bend of workpiece.

Socket head cap screw 11 is used for fixing central rotating shaft 10.

On the base plate of rotatable location angle bar 9, offering one can be for the rectangular opening of inspection rod 7 insertions, correspondingly, on the same position on the cubing base plate 1, also offered a rectangular opening that angle is bigger, (the angle amplification quantity of this rectangular opening is to set according to the angle allowable tolerance value of measured workpiece), therefore, in the time of in the inspection rod 7 of making rectangle can be inserted into cubing base plate 1 rectangular opening always, the angular deviation that just shows measured workpiece is in the scope of allowable tolerance; If inspection rod 7 inserts be obstructed, just show that the angular deviation of measured workpiece has exceeded the scope of allowable tolerance, thereby realized to adopt quickly and easily logical no-go gage method to detect the purpose of shaft-like workpiece angular deviation.

Rubber foot 4 is fixed on the peripheral position of cubing base plate 1 bottom, can make cubing place more steadily.

Claims

1. cubing that detects the cambered axle angle, it comprises drill chuck, location angle bar and inspection rod etc., and it is characterized in that: on the cubing base plate, two angle bar seats have been installed, one of them is the linear slide angle bar, and another is rotatable angle bar.

2. a kind of cubing that detects the cambered axle angle according to claim 1, it is characterized in that: two the highly identical drill chuck or scroll chucks of feeling relieved and clamping are installed respectively on two location angle bar, one of them rotatable location angle bar can rotate with one heart with central rotating shaft, linear slide location angle bar can carry out the front and back linear slide under the guiding of being fixed in the flat key on the cubing base plate.