Disclosure of Invention
The invention aims to provide a detection tool for detecting the tooth root diameter and the span bar distance of a flywheel disc, and aims to solve the technical problem that in the prior art, when the tooth root diameter is measured by a caliper, the requirement of the caliper on measurement operators is high, and the operators are required to perform multiple measurements in order to ensure the measurement precision during measurement, so that the detection efficiency of the flywheel disc is influenced.
In order to achieve the purpose, the invention provides a detection tool for detecting the tooth root diameter and the span bar distance of a flywheel disc, which comprises a bottom plate, a first calibration piece, a second calibration piece, a measuring device, an adjusting device and a positioning device;
the first calibration piece is placed on the bottom plate and is positioned at one side of the bottom plate, the second calibration piece is placed on the bottom plate and is positioned at one side of the bottom plate close to the first calibration piece, and the positioning device is fixedly connected with the bottom plate;
the measuring device comprises a linear guide rail, a first measuring block, a second measuring block and a digital display dial indicator, the linear guide rail is fixedly connected with the bottom plate and is located at one side of the second calibrating piece, the bottom plate is close to one side of the second calibrating piece, the first measuring block is connected with the linear guide rail in a sliding mode and is located at one end of the linear guide rail, the second measuring block is connected with the linear guide rail in a sliding mode and is located at one end, far away from the linear guide rail, of the first measuring block, the digital display dial indicator is fixedly connected with the second measuring block and is located at one side, far away from the second measuring block, of the first measuring block.
The adjusting device comprises a first sliding seat, a second sliding seat, a third sliding seat and a fourth sliding seat, wherein the first sliding seat is connected with the linear guide rail in a sliding manner, is fixedly connected with the first measuring block and is positioned on one side of the linear guide rail, which is close to the first measuring block; the second sliding seat is connected with the linear guide rail in a sliding manner; the third sliding seat is connected with the linear guide rail in a sliding manner, is fixedly connected with the second measuring block and is positioned on one side of the linear guide rail, which is close to the second measuring block; and the fourth sliding seat is connected with the linear guide rail in a sliding manner.
The positioning device comprises a positioning block and a first bushing, wherein the positioning block is fixedly connected with the first sliding seat and is positioned on one side of the first sliding seat, which is far away from the third sliding seat; the first bushing is fixedly connected with the positioning block and is positioned on one side, far away from the bottom plate, of the positioning block.
The positioning device further comprises a limiting baffle, and the limiting baffle is fixedly connected with the base and is positioned between the first sliding seat and the fourth sliding seat.
The positioning assembly further comprises a bolt, wherein the bolt is connected with the second sliding seat in a sliding mode, abutted to the linear guide rail and penetrates through the second sliding seat.
The positioning assembly further comprises a stop block, the stop block is fixedly connected with the base, is abutted to the linear guide rail and is positioned on one side, away from the digital display dial indicator, of the linear guide rail.
The measuring device further comprises a pressing block and a spring, wherein the pressing block is fixedly connected with the digital display dial indicator, is connected with the third sliding seat in a sliding manner, and is positioned on one side, close to the third sliding seat, of the digital display dial indicator; one end of the spring is fixedly connected with the pressing block, the other end of the spring is fixedly connected with the third sliding seat, and the spring is located between the pressing block and the third sliding seat.
The measuring device further comprises a guide post and a second bushing, wherein the guide post is fixedly connected with the third sliding seat, is in sliding connection with the pressing block and is positioned on one side, close to the pressing block, of the third sliding seat; the second bushing is fixedly connected with the third sliding seat, fixedly connected with the guide post and sleeved on the outer side of the guide post.
The supporting device further comprises a supporting component, the supporting component is fixedly connected with the bottom plate, is connected with the third sliding seat in a sliding mode, and is fixedly connected with the linear guide rail, and the supporting component is located on one side, close to the third sliding seat, of the bottom plate.
The detection tool for detecting the tooth root diameter and the span bar distance of the flywheel disc further comprises a bottom foot, and the bottom foot is fixedly connected with the bottom plate and is positioned on one side, far away from the linear guide rail, of the bottom plate.
According to the gauge for detecting the tooth root diameter and the span bar distance of the flywheel disc, the first calibration part is used for setting the digital display dial indicator to be zero, the flywheel disc is positioned, the digital display dial indicator is used for measuring, the measured value and the standard part value are added and subtracted to obtain a value, and the diameter of the measuring bar is added to obtain the span bar distance; give with the second calibration piece the digital display amesdial sets zero, later with fixed the placing in flywheel dish root diameter of a measuring piece, the second measuring piece of the other end digital display amesdial removes the measurement, then add and subtract according to the measured value and the root diameter mark piece actual value, obtain the root diameter value of flywheel dish here at last, the reagent size of the display product that so can be quick, avoid the defective work to flow in the customer, there is guiding effect to the production debugging, this examines the excellent distance of striding that can quick detect out the product and the root diameter of a tooth, improve detection efficiency.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 and 2, the invention provides a checking fixture for detecting a tooth root diameter and a span bar distance of a flywheel disc, which comprises a base plate 2, a first calibratingpiece 24, a second calibratingpiece 25, a measuring device, an adjusting device and a positioning device;
the first calibratingpiece 24 is placed on the bottom plate 2 and positioned at one side of the bottom plate 2, the secondcalibrating piece 25 is placed on the bottom plate 2 and positioned at one side of the bottom plate 2 close to the firstcalibrating piece 24, and the positioning device is fixedly connected with the bottom plate 2;
the measuring device comprises alinear guide rail 7, afirst measuring block 9, asecond measuring block 18 and a digitaldisplay dial indicator 23, thelinear guide rail 7 is fixedly connected with the bottom plate 2 and is positioned at one side of the secondcalibrating piece 25, thefirst measuring block 9 is slidably connected with thelinear guide rail 7 and is positioned at one end of thelinear guide rail 7, thesecond measuring block 18 is slidably connected with thelinear guide rail 7 and is positioned at one end of thefirst measuring block 9, thelinear guide rail 7 is far away from the digitaldisplay dial indicator 23 is fixedly connected with thesecond measuring block 18 and is positioned at one side of thefirst measuring block 9, and thesecond measuring block 18 is far away from thefirst measuring block 9.
In the embodiment, the bottom plate 2 is provided with a supportingblock 12 for supporting a flywheel disc, the outer side surface of the flywheel disc is provided with analloy pin 22, when the bar span distance is measured, the firstcalibrating piece 24 is firstly placed on thelinear guide rail 7 for measuring the bar span distance, then the digitaldisplay dial indicator 23 is set to be zero by the first calibrating piece 24 (note: the value of the calibrating piece needs to be an actual measurement value), then the flywheel disc is positioned on the checking tool through a central hole and a bolt hole, then the digitaldisplay dial indicator 23 is used for measuring, the measured value and the standard piece value are added or subtracted to obtain a value, and the diameter of the measuring bar is added to obtain the bar span distance;
when the diameter of the tooth root is measured, thesecond calibration piece 25 is firstly placed on thelinear guide rail 7 for measuring the diameter of the tooth root, then, thedigital dial indicator 23 is set to zero by the second calibrating piece 25 (note that the value of the calibrating block needs to be an actual measurement value), then thefirst measuring block 9 at one end is fixedly placed on the tooth root diameter of the flywheel disc, thesecond measuring block 18 with thedigital dial indicator 23 at the other end is used for measurement, then adding or subtracting according to the measured value and the actual value of the tooth root diameter calibration block to finally obtain the tooth root diameter value of the flywheel disc, therefore, the detecting tool for detecting the tooth root diameter and the span bar distance of the flywheel disc adopts a direct digital display dial indicator, can rapidly display the reagent size of a product, avoids unqualified products from flowing into customers, the gauge has an instructive effect on production debugging, can quickly detect the span length and the root diameter of a product, and improves the detection efficiency.
Further, referring to fig. 2, the adjusting device includes afirst slide 8, asecond slide 11, athird slide 15, and afourth slide 19, where thefirst slide 8 is slidably connected to thelinear guide 7, and is fixedly connected to thefirst measuring block 9, and is located on a side of thelinear guide 7 close to thefirst measuring block 9; the second slidingseat 11 is connected with thelinear guide rail 7 in a sliding manner; the third slidingseat 15 is connected with thelinear guide rail 7 in a sliding manner, is fixedly connected with thesecond measuring block 18, and is located on one side of thelinear guide rail 7 close to thesecond measuring block 18; thefourth slide carriage 19 is connected to thelinear guide 7 in a sliding manner.
In this embodiment, thelinear guide 7 is "X" shaped, thefirst slide 8 and thethird slide 15 are connected to each other and located on a straight line of thelinear guide 7, adigital dial indicator 23 is installed on thethird slide 15, thesecond slide 11 and thefourth slide 19 are connected to each other and located on a straight line of thelinear guide 7, thefirst slide 8 and thethird slide 15 drive thefirst measuring block 9 and thesecond measuring block 18 to slide, and thesecond slide 11 and thefourth slide 19 are the same.
Further, referring to fig. 2, the positioning device includes apositioning block 5 and a first bushing 6, thepositioning block 5 is fixedly connected to the first slidingseat 8 and is located on a side of the first slidingseat 8 away from the third slidingseat 15; the first bushing 6 is fixedly connected with thepositioning block 5 and is located on one side of thepositioning block 5 far away from the bottom plate 2.
In the present embodiment, the first bushing 6 is mounted on thepositioning block 5, and thepositioning block 5 is screwed on thefirst slide base 8 to mount thefirst measuring block 9.
Further, referring to fig. 2, the positioning device further includes alimit baffle 21, and thelimit baffle 21 is fixedly connected to the base and located between thefirst slide 8 and thefourth slide 19.
In this embodiment, thelimit baffle 21 is installed on the base in a threaded manner, and protects the outer side edge of the flywheel disk, so that the transverse displacement of the flywheel disk in the rotating process is avoided.
Further, referring to fig. 1, the positioning assembly further includes apin 4, and thepin 4 is slidably connected to thesecond slide 11, abuts against thelinear guide 7, and penetrates through thesecond slide 11.
In this embodiment, thelatch 4 is mounted in areference block 10 for mounting the flywheel disc.
Further, referring to fig. 1, the positioning assembly further includes astopper 3, and thestopper 3 is fixedly connected to the base, abuts against thelinear guide rail 7, and is located on one side of thelinear guide rail 7 away from thedigital dial indicator 23.
In the present embodiment, thestopper 3 is screw-mounted on the base and supports the side end of thelinear guide 7, thereby stabilizing thelinear guide 7.
Further, referring to fig. 2, the measuring device further includes apressing block 16 and aspring 17, thepressing block 16 is fixedly connected to the digitaldisplay dial indicator 23, and is slidably connected to thethird slide carriage 15, and is located on one side of the digitaldisplay dial indicator 23 close to thethird slide carriage 15; one end of thespring 17 is fixedly connected with thepressing block 16, and the other end of the spring is fixedly connected with the third slidingseat 15 and is positioned between thepressing block 16 and the third slidingseat 15.
In the present embodiment, thepressing block 16 is attached to thedigital dial indicator 23 through the dial bushing 20, and slides thedigital dial indicator 23 together, and thespring 17 is attached between thethird slide carriage 15 and thepressing block 16, and reduces the sliding of thepressing block 16.
Further, referring to fig. 2, the measuring apparatus further includes aguide pillar 14 and asecond bushing 13, theguide pillar 14 is fixedly connected to the third slidingseat 15, and is slidably connected to thepressing block 16, and is located on a side of the third slidingseat 15 close to thepressing block 16; thesecond bushing 13 is fixedly connected to thethird slide carriage 15, fixedly connected to theguide post 14, and sleeved on the outer side of theguide post 14.
In the present embodiment, theguide post 14 is transversely mounted on thethird slide carriage 15, thesecond bush 13 is fitted on the outer side of theguide post 14, and thesecond bush 13 abuts against the sliding of thepress block 16.
Further, referring to fig. 1, the supporting device further includes a supporting component, the supporting component is fixedly connected to the bottom plate 2, slidably connected to the third slidingseat 15, and fixedly connected to thelinear guide 7, and the supporting component is located on one side of the bottom plate 2 close to the third slidingseat 15.
In the present embodiment, the support assembly is screwed to the base plate 2 and supports the sliding movement of thethird carriage 15.
Further, referring to fig. 1, the detection tool for detecting the tooth root diameter and the span bar distance of the flywheel disc further comprises a bottom foot 1, and the bottom foot 1 is fixedly connected with the bottom plate 2 and is located on one side of the bottom plate 2, which is far away from thelinear guide rail 7.
In the present embodiment, the feet 1 are installed at the bottom of the bottom plate 2, and the number of the feet is two, and the feet are used for supporting the bottom plate 2.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.