CN212409668U - Detection apparatus for bipyramid wall thickness and wall thickness difference - Google Patents
Detection apparatus for bipyramid wall thickness and wall thickness difference Download PDFInfo
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- CN212409668U CN212409668U CN202021668962.1U CN202021668962U CN212409668U CN 212409668 U CN212409668 U CN 212409668U CN 202021668962 U CN202021668962 U CN 202021668962U CN 212409668 U CN212409668 U CN 212409668U
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Abstract
The utility model discloses a detection device for the wall thickness and the wall thickness difference of a biconical body, which comprises a workbench, a computer, a biconical body positioning seat, a large cone measuring component and a small cone measuring component; the double-cone positioning seat, the large cone measuring assembly and the small cone measuring assembly are arranged on the workbench, and the double-cone positioning seat clamps the double-cone workpiece and enables the double-cone workpiece to rotate; the large cone measuring component and the small cone measuring component are arranged close to the large end of the double-cone workpiece; the large cone measuring component and the small cone measuring component can respectively detect the wall thickness of the large cone part and the small cone part of the double-cone workpiece. The utility model discloses can carry out automated inspection, automatic reading data, automatic analysis and processing evaluation, automatic save and output to the bipyramid wall thickness, reduce the influence of human factor to measuring structure, measurement accuracy improves greatly to degree of automation is high, has simplified the detection flow, has improved detection work efficiency.
Description
Technical Field
The utility model belongs to the technical field of bipyramid wall thickness and wall thickness difference detect, concretely relates to detection device of bipyramid wall thickness and wall thickness difference.
Background
The conventional method for detecting the wall thickness and the wall thickness difference of the biconical body workpiece mainly comprises the steps of manually marking a meter and mechanically measuring by using a special manual measuring device, manually reading and recording measurement data, and manually calculating, analyzing and evaluating the wall thickness and the wall thickness difference of the workpiece.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a simple structure, convenient operation, measurement work efficiency is high, the high bipyramid wall thickness of measurement accuracy and the detection device of wall thickness difference, and it measures degree of automation height, can reduce workman's intensity of labour and measure the influence of human factor to measuring result.
The utility model adopts the technical proposal that: a detection device for the wall thickness and the wall thickness difference of a double cone comprises a workbench, a computer, a double cone positioning seat, a large cone measuring component and a small cone measuring component; the double-cone positioning seat, the large cone measuring assembly and the small cone measuring assembly are arranged on the workbench, and the double-cone positioning seat clamps the double-cone workpiece and enables the double-cone workpiece to rotate; the large cone measuring component and the small cone measuring component are arranged close to the large end of the double-cone workpiece;
the large cone measuring component comprises a base I, a sliding seat I, a driving device I, a large cone outer measuring rod and a large cone inner measuring rod; the base I is provided with a slide rail, the slide seat I is arranged on the slide rail, and the driving device I can drive the slide seat I to move along the slide rail; the sliding seat I is respectively connected with the rear ends of the two leaf spring lever mechanisms through screws, the front ends of the two leaf spring lever mechanisms are respectively provided with a large cone outer measuring rod and a large cone inner measuring rod, the side surface of one leaf spring lever mechanism is provided with a sensor I, the large cone outer measuring rod and the large cone inner measuring rod are arranged in parallel, and the side surfaces opposite to the end parts of the large cone outer measuring rod and the large cone inner measuring rod are provided with measuring heads I; the two measuring heads I are coaxial and are arranged perpendicular to a large conical surface bus of the biconical workpiece;
the small cone measuring component comprises a base II, a sliding seat II, a driving device II, a small cone outer measuring rod and a small cone inner measuring rod; the base II is provided with a slide rail, and the slide seat II is arranged on the slide rail; the driving device II can drive the sliding seat II to move along the sliding rail; the sliding seat II is provided with two leaf spring lever mechanisms, the front ends of the two leaf spring lever mechanisms are respectively provided with a small cone outer measuring rod and a small cone inner measuring rod, the small cone outer measuring rod and the small cone inner measuring rod are arranged in parallel, the side surface of one leaf spring lever mechanism is provided with a sensor II, and the side surface opposite to the end part of the small cone outer measuring rod and the small cone inner measuring rod is provided with a measuring head II; the two measuring heads II are coaxial and are arranged perpendicular to a small conical surface bus of the biconical workpiece; the sensor I, the sensor II, the driving device I and the driving device II are respectively connected with a computer.
In the detection device for the wall thickness and the wall thickness difference of the double cones, the leaf spring lever mechanism comprises a leaf spring mounting seat, sensor mounting holes communicated with two side surfaces are formed in the leaf spring mounting seat, and arched leaf spring grooves are respectively formed in the leaf spring mounting seat close to the two side surfaces; a rectangular leaf spring groove is arranged on the leaf spring mounting seat close to the front end, and two ends of the rectangular leaf spring groove are respectively communicated with the two arched leaf spring grooves; the middle part of the leaf spring mounting seat is provided with an L-shaped leaf spring groove, the L-shaped leaf spring groove is communicated with an arched leaf spring groove, leaf springs in corresponding shapes are respectively arranged in the leaf spring grooves, the sensors I and II are mounted in sensor mounting holes of corresponding leaf spring lever mechanisms, and contacts of the sensors I and II are in contact with the leaf springs in the corresponding arched leaf spring grooves.
In the detection device for the wall thickness and the wall thickness difference of the double cones, the driving device I comprises a screw rod I, a stepping motor I and a nut I; the stepping motor I is fixedly arranged at the bottom of the workbench, an output shaft of the stepping motor I is connected with the screw rod I, the nut I is in threaded connection with the screw rod I, the nut I is connected with the sliding seat I, and the stepping motor I is connected with a computer; or the driving device I adopts a hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixedly arranged at the bottom of the workbench, and the piston rod of the hydraulic cylinder is connected with the sliding seat I.
In the detection device for the wall thickness and the wall thickness difference of the double cones, the driving device II comprises a screw rod II, a stepping motor II and a nut II; the stepping motor II is fixedly arranged at the bottom of the workbench, an output shaft of the stepping motor II is connected with the screw rod II, the nut II is in threaded connection with the screw rod II, the nut II is connected with the sliding seat II, and the stepping motor II is connected with a computer; or the driving device II adopts a hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixedly arranged at the bottom of the workbench, and the piston rod of the hydraulic cylinder is connected with the sliding seat II.
In the detection device for the wall thickness and the wall thickness difference of the double cones, the double cone positioning seat comprises a large cone positioning seat and a small cone positioning seat, and the large cone positioning seat comprises a supporting seat and a positioning tube; the upper part of the supporting seat is provided with a bearing seat, the rear part of the positioning tube is cylindrical and is arranged in a bearing of the bearing seat, and the front part of the positioning tube is conical and is used for positioning the inner part of the large end of the biconical workpiece;
the small cone positioning seat comprises a pressing guide rail, a pressing seat, a positioning bearing seat, a rotating device, a pressing rod, a handle and a connecting rod; the pressing guide rail is fixedly arranged on the workbench and is parallel to the axis of the positioning pipe; the pressing seat is arranged on the pressing guide rail and can slide along the pressing guide rail, and the positioning bearing seat is arranged on the pressing seat; the positioning bearing seat is provided with a positioning shaft through a bearing, one end of the positioning shaft, which faces the positioning pipe, is provided with a positioning hole, and the other end of the positioning shaft is connected with the rotating device; the positioning hole is used for positioning the small end of the biconical workpiece and is coaxial with the positioning tube; the pressing seat is provided with a through hole, one end of the pressing rod is provided with a thread, the end of the pressing rod is inserted into the through hole, the pressing rod is provided with a pressing nut and a pressing spring, the pressing nut is in threaded connection with the thread, and two ends of the pressing spring are respectively contacted with the pressing seat and the pressing nut; the other end of the pressing rod is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with a hinge lug at the bottom of the handle, and the hinge lug at the bottom of the handle is hinged with the workbench.
In the detection device for the wall thickness and the wall thickness difference of the double cones, the rotating device adopts a hand wheel, and a rotating shaft of the hand wheel is connected with the positioning shaft through a spline.
In the detection device for the wall thickness and the wall thickness difference of the double cones, the rotating device adopts the stepping motor, the stepping motor is arranged on the motor mounting seat, the motor mounting seat is arranged on the pressing seat, the output shaft of the stepping motor is connected with the positioning shaft, and the stepping motor is connected with the computer.
The detection device for the wall thickness and the wall thickness difference of the double cones further comprises a rack, the workbench and the computer are mounted on the rack, an alarm lamp, an electric cabinet and a printer are further arranged on the rack, and the electric cabinet supplies power to the computer, the measuring head I, the measuring head II, the stepping motor I, the stepping motor II and the stepping motor; the printer is connected with the computer.
Among the detection device of foretell bipyramid wall thickness and wall thickness difference, slide II on fixed mounting have pneumatic slip table, a leaf spring lever mechanism is connected to the piston rod of the cylinder of pneumatic slip table, another leaf spring lever mechanism on the slide II and II fixed connection of slide.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has simple structure, convenient operation, accurate and reliable measuring result and good repeatability, and the utility model controls the feeding of the large cone measuring component and the small cone measuring component by a computer to simultaneously measure the wall thickness of the large cone and the small cone of the double cone workpiece; the measuring result is automatically processed, analyzed and evaluated, and a detection result report is automatically output, so that the automation of measuring the wall thickness and the wall thickness difference of the double cones is realized, the artificial influence is eliminated, and the measuring precision and efficiency are improved.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a plan view of the work table of the present invention.
Fig. 4 is a front view of the table of the present invention.
Fig. 5 is a sectional view a-a in fig. 3.
Fig. 6 is an enlarged view of the leaf spring lever mechanism of the present invention.
Fig. 7 is a structural diagram of the rotating device of the small cone positioning seat of the present invention when a hand wheel is used.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-2, the utility model comprises a frame 1, a workbench 3, an alarm lamp 104, a computer 105, a large cone positioning seat, a small cone positioning seat, a large cone measuring component and a small cone measuring component. The worktable 3, the alarm lamp 104 and the computer 105 are installed on the rack, the computer 105 is a touch screen computer, the alarm lamp 104 is a three-color alarm lamp, and the alarm lamp 104 is connected with the computer 105. The rack is also provided with an electrical cabinet 103, a keyboard drawer 101 and a printer 102, the electrical cabinet 103 supplies power to a computer, the alarm lamp 8 and the printer 102, and the printer 102 is connected with the computer 9 and used for printing a measuring result. An air filter 26 is arranged in the electrical cabinet 103.
As shown in fig. 3-4, the large cone positioning seat 14 includes a supporting seat 141 and a positioning tube 142; the upper part of the supporting seat 141 is provided with a bearing seat; the rear part of the positioning tube 142 is cylindrical and is arranged in a bearing of the bearing seat, and the front part of the positioning tube 142 is conical and is used for positioning the inner part of the large end of the double-cone workpiece. The support base 141 is fixedly mounted on the table 3.
The small cone positioning seat 7 comprises a pressing guide rail 5, a pressing seat 2, a positioning bearing seat 73, a rotating device 74, a pressing rod 4, a handle 22 and a connecting rod 21; the pressing guide rail 5 is fixedly arranged on the workbench 3, and the pressing guide rail 5 is parallel to the axis of the positioning tube 142. The pressing seat 2 is arranged on the pressing guide rail 5 and can slide along the pressing guide rail 5. The positioning bearing seat 73 is arranged on the pressing seat 2; the positioning shaft 71 is mounted on the positioning bearing seat 73 through a bearing, a positioning hole 72 is formed in one end, facing the positioning pipe, of the positioning shaft 71, the positioning hole 72 is of a structure with a spline sleeve embedded in a cylindrical blind hole, the other end of the positioning shaft 71 is connected with a rotating device, the rotating device can drive the positioning shaft 71 to rotate, then the double-cone workpiece is driven to rotate, and the thickness of the side wall of the double-cone workpiece is measured for one circle. The locating hole 72 is used for locating the small end of the bicone workpiece, and the locating hole 72 is coaxial with the locating tube 142. The pressing seat 2 is provided with a through hole, one end of the pressing rod 4 is provided with a thread, the end is inserted into the through hole, the pressing rod 4 is provided with a pressing nut 42 and a pressing spring 41, the pressing nut 42 is in threaded connection with the thread, and two ends of the pressing spring 41 are respectively contacted with the pressing seat 2 and the pressing nut 42. The pressing rod 4 is arranged in parallel with the pressing guide rail 5, the other end of the pressing rod 4 is hinged with one end of the connecting rod 21, the other end of the connecting rod 21 is hinged with a hinge lug at the bottom of the handle 22, and the hinge lug at the bottom of the handle 22 is hinged with the workbench 3. The handle is pulled, so that the pressing rod 4 can be pushed or retracted towards the large cone positioning seat 14; and further, the compression spring 41 on the compression rod 4 pushes the compression seat 2 to move towards the large cone positioning seat 14 or move reversely, so that the double-cone workpiece is clamped or loosened.
As shown in fig. 7, the rotating device 74 may be a handwheel, and a rotating shaft of the handwheel is connected with the positioning shaft 71 through a spline. The rotation of the biconical workpiece is realized by manually rotating the hand wheel. As shown in fig. 4, the rotating device may also be a stepping motor, the stepping motor is mounted on the motor mounting seat 23, the motor mounting seat 23 is mounted on the pressing seat 2, an output shaft of the stepping motor is connected with the positioning shaft, and the stepping motor is connected with the computer 105. The positioning shaft 71 is driven to rotate by the stepping motor, so that the rotation of the biconical workpiece is realized.
The large cone measuring component 8 and the small cone measuring component 9 are arranged close to the large end of the double-cone workpiece; the large cone measuring component 8 comprises a base I81, a sliding seat I82, a driving device I83, two leaf spring lever mechanisms 89, a large cone outer measuring rod 84 and a large cone inner measuring rod 85. As shown in fig. 6, the leaf spring lever mechanism 89 includes a leaf spring installation seat 891, the leaf spring installation seat 891 is provided with sensor installation holes communicating with two side surfaces, and the leaf spring installation seat is provided with an arched leaf spring slot 892 respectively near the two side surfaces; the leaf spring mounting seat 891 is provided with a rectangular leaf spring slot 893 near the front end, and two ends of the rectangular leaf spring slot 893 are respectively communicated with two arched leaf spring slots 892. The middle of the leaf spring mounting seat 891 is provided with an L-shaped leaf spring groove 894, the L-shaped leaf spring groove 894 is communicated with an arched leaf spring groove, and a leaf spring with a corresponding shape is respectively arranged in the leaf spring grooves.
The base I81 on be equipped with slide rail 86, slide I82 is equipped with the spout corresponding to slide rail 86, slide rail 86 nestification is in the spout, slide I82 can remove along slide rail 86. Slide I82 be connected with the rear end of two leaf spring lever mechanisms 89 respectively through the screw, the front end of two leaf spring lever mechanisms 89 is connected with big awl outer measuring stick 84 and big awl interior measuring stick 85 respectively, be equipped with sensor I88 in a leaf spring lever mechanism's the sensor mounting hole, big awl outer measuring stick 84 and big awl interior measuring stick 85 parallel arrangement, be equipped with measuring head I87 on the relative side of tip of big awl outer measuring stick 84 and big awl interior measuring stick 85, the coaxial big conical surface generating line setting of perpendicular to bipyramid body work piece of I87 of two measuring heads. The sensor I88 was connected to the computer 105, and the contact of the sensor I88 was in contact with a leaf spring in an arcuate leaf spring slot.
As shown in fig. 5, the driving device i83 includes a screw i831, a stepping motor i 832 and a nut i 833; step motor I832 is fixed ann in workstation 3 bottom, and step motor I832's output shaft passes through the shaft coupling 834 and is connected with lead screw I831, and lead screw I831 sets up in parallel to slide rail 86, and lead screw I831 installs the bottom at workstation 3 through bearing frame 835, 836. The nut I833 is in threaded connection with the lead screw I831, and the nut I833 is connected with the sliding seat I82 through the connecting plate 837. The stepping motor I832 is connected with the computer 105, the stepping motor I832 drives the nut I833 to rotate, the rotation is converted into movement, the sliding seat I82 is driven to move along the sliding rail 86, the measuring rod 85 in the large cone extends into the inner cavity of the double-cone workpiece, and the measuring head I is perpendicular to the side wall of the double-cone workpiece. The driving device I83 can also adopt a hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixedly installed at the bottom of the workbench 3, the piston rod of the hydraulic cylinder is connected with the sliding seat I82, and the sliding seat I82 moves along the sliding rail 86 through the extension and retraction of the piston rod.
The small cone measuring component 9 comprises a base II 91, a sliding seat II 92, a driving device II, a small cone outer measuring rod 94 and a small cone inner measuring rod 95; II 91 of base on be equipped with slide rail 96, II 92 of slide are equipped with the spout corresponding to the slide rail, slide rail 96 nestification is in the spout, II 92 of slide can remove along slide rail 96. Two leaf spring lever mechanisms 89 and a pneumatic sliding table 99 are arranged on the sliding base II 92, the rear end of one leaf spring lever mechanism 89 is fixedly connected with the sliding base II 92 through a screw, the pneumatic sliding table 99 is fixedly installed on the sliding base II 92, a piston rod of an air cylinder of the pneumatic sliding table 99 is connected with the other leaf spring lever mechanism, the other leaf spring lever mechanism can be driven to move perpendicular to the sliding rail 96, and the small cone outer measuring rod 94 is opened and closed when the small cone surface is measured. A sensor II 98 is arranged in a sensor mounting hole of a leaf spring lever mechanism, a small cone outer measuring rod 94 and a small cone inner measuring rod 95 are arranged at the front ends of the two leaf spring lever mechanisms 89, and the small cone outer measuring rod 94 and the small cone inner measuring rod 95 are arranged in parallel. And the measuring heads II 97 are arranged on the opposite side surfaces of the end parts of the small cone outer measuring rod 94 and the small cone inner measuring rod 95, and the two measuring heads II 97 are coaxial and are perpendicular to a small cone surface bus of the double-cone workpiece. The driving device II comprises a screw rod II, a stepping motor II and a nut II; the stepping motor II is fixedly arranged at the bottom of the workbench 3, an output shaft of the stepping motor II is connected with the screw rod II, the nut II is in threaded connection with the screw rod II, the nut II is connected with the sliding seat II, the screw rod II is parallel to the sliding rail 96, and the stepping motor II is connected with the computer 105. The driving device II can also adopt a hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixedly arranged at the bottom of the workbench 3, and the piston rod of the hydraulic cylinder is connected with the sliding seat II 92. The rear end side of the small cone inner measuring rod 94 is provided with a sensor II 98, the sensor II 98 is connected with a computer 105, and a contact of the sensor II 98 is in contact with a leaf spring in an arched leaf spring groove.
The utility model is used for when detecting bipyramid axial and radial wall thickness value and wall thickness difference, including following step:
and S1, adjusting the large cone measuring assembly 8 and the small cone measuring assembly 9 according to the size and shape of the measured double-cone workpiece, determining the original position, the effective measuring stroke range of the measuring head I87 and the measuring head II 97, and acquiring parameters such as the measuring initial position, the measuring end position, the moving distance, the acquisition interval step number, the moving speed and the like of the large cone surface and the small cone surface of the double-cone workpiece.
S2, the measured double-cone workpiece is placed between the small cone positioning seat 9 and the large cone positioning seat 8, the measured double-cone workpiece is fixed by pulling the handle 22, and the compression force is adjusted by adjusting the compression nut 42 to adjust the expansion amount of the compression spring, so that the pressure is moderate.
And S3, controlling the driving device I83 and the driving device II by a touch screen computer, driving the measuring head I87 and the measuring head II 97 to respectively move at the set position, the set moving speed, the set interval and the set moving distance, synchronously measuring the bus positions of the large cone and the small cone of the biconical workpiece, completing axial measurement sampling points at each bus measuring point position, and driving the measured biconical workpiece to rotate for a circle by the rotating device.
The specific processes of measuring the movement of the assembly and data acquisition are as follows:
when the measuring head I87 and the measuring head II 97 are calibrated, the lower limit value and the upper limit value of the measuring range of the measuring head I87 and the measuring head II 97 are calibrated by using the measuring blocks, and the errors of the measuring head I87 and the measuring head II 97 are compensated through measuring software;
the lower limit and the upper limit of the detected point of the sensor I88 and the sensor II 98 are measured by using the gauge blocksPoint calibration, point-by-point correction, calculating correction valuesβiThe calculation formula is as follows:βi= Li +δi- liwherein:Liin order to be the theoretical size of the gauge block,δiin order to measure the standard deviation of the blocks,liis the actual size detected by the sensor.
The measuring heads of the sensor I88 and the sensor II 98 synchronously move axially on the big and small cone generatrixes of the double cone to carry out axial measurement, the measuring head I87 and the measuring head II 97 synchronously complete the measurement of the axial wall thickness value when moving to a measuring point, then the rotating device drives the double cone workpiece to rotate to carry out circumferential measurement, meanwhile, the sensor I88 and the sensor II 98 collect data, the double cone workpiece stops rotating after rotating for 360 degrees, the data measured by the sensor I88 and the sensor II 98 are uploaded to the computer 105, the computer 105 calculates the average value, the maximum value and the minimum value of the data collected by the rotation, and after the data collected by the last measuring point is finished, the data collected by all axial measuring points of the computer 105x iComparing, i is the serial number of the axial measuring point, and obtaining the maximum value of the wall thickness of the axial measuring pointx imaxAnd minimum valuex iminFurther calculating the axial wall thickness difference△The shaft is provided with a plurality of axial holes,△axis =x imax-x imin. Data collected from all circumferential measuring points at the same axial measuring pointx jComparing, wherein j is the serial number of the circumferential measuring point, and obtaining the maximum value of the wall thickness of the circumferential measuring pointx jmaxAnd minimum valuex jminAnd further calculating the circumferential wall thickness difference at the axial measuring point△Week i =x jmax-x jmin(ii) a Comparing the circumferential wall thickness differences of all the axial measuring points to obtain the maximum circumferential wall thickness difference, namely the circumferential wall thickness difference△And (4) week.
Taking the measurement result of the biconical workpiece with the wall thickness of 3.5 +/-0.020 mm as an example, the calculation method of the axial wall thickness difference and the circumferential wall thickness difference is described, and the following table shows.
Difference in axial wall thickness
| Axial measuring |
1 | 2 | 3 | 4 | Axial wall thickness difference/mm |
| Axial wall thickness/mm | 3.511 | 3.507 | 3.505 | 3.509 | △Axis =x imax-x imin=3.511-3.505=0.006 |
Difference in circumferential wall thickness
| Axial measuring |
1 | 2 | 3 | Circumferential wall thickness difference/mm |
| Circumferential wall thickness difference/mm at each axial measurement point | △ Week 1=x max-x min=0.007 | △ Week 2=x max-x min=0.010 | △ Week 3=x max-x min=0.011 | 0.011 |
S4, storing, analyzing, processing and evaluating the obtained axial and radial wall thickness and wall thickness difference data, prompting whether the wall thickness is qualified or not by the alarm lamp 104, and returning the measuring component to the original working point of the machine. Meanwhile, a detection report is generated, and the printer outputs the detection report.
The utility model discloses carry out automatic calibration measuring head I87 and II 97 precision of measuring head and error compensation with the gage block, thereby eliminate the utility model discloses a system error takes the direct measurement method at the range within range to adopt high accuracy sensor to carry out data acquisition, further reduce the human error that appears in the testing process, good reproducibility. The utility model discloses an automatic re-setting and zero setting, automatic measurement, automatic acquisition measured data, automatic processing, analysis, evaluation measuring result have qualified automatic alarm function whether, go out the testing result report automatically, very big promotion work efficiency.
Claims (9)
1. A detection device for the wall thickness and the wall thickness difference of a biconical body is characterized in that: comprises a workbench, a computer, a double-cone positioning seat, a large cone measuring component and a small cone measuring component; the double-cone positioning seat, the large cone measuring assembly and the small cone measuring assembly are arranged on the workbench, and the double-cone positioning seat clamps the double-cone workpiece and enables the double-cone workpiece to rotate; the large cone measuring component and the small cone measuring component are arranged close to the large end of the double-cone workpiece;
the large cone measuring component comprises a base I, a sliding seat I, a driving device I, a large cone outer measuring rod and a large cone inner measuring rod; the base I is provided with a slide rail, the slide seat I is arranged on the slide rail, and the driving device I can drive the slide seat I to move along the slide rail; the sliding seat I is respectively connected with the rear ends of the two leaf spring lever mechanisms through screws, the front ends of the two leaf spring lever mechanisms are respectively provided with a large cone outer measuring rod and a large cone inner measuring rod, the side surface of one leaf spring lever mechanism is provided with a sensor I, the large cone outer measuring rod and the large cone inner measuring rod are arranged in parallel, and the side surfaces opposite to the end parts of the large cone outer measuring rod and the large cone inner measuring rod are provided with measuring heads I; the two measuring heads I are coaxial and are arranged perpendicular to a large conical surface bus of the biconical workpiece;
the small cone measuring component comprises a base II, a sliding seat II, a driving device II, a small cone outer measuring rod and a small cone inner measuring rod; the base II is provided with a slide rail, and the slide seat II is arranged on the slide rail; the driving device II can drive the sliding seat II to move along the sliding rail; the sliding seat II is provided with two leaf spring lever mechanisms, the front ends of the two leaf spring lever mechanisms are respectively provided with a small cone outer measuring rod and a small cone inner measuring rod, the small cone outer measuring rod and the small cone inner measuring rod are arranged in parallel, the side surface of one leaf spring lever mechanism is provided with a sensor II, and the side surface opposite to the end part of the small cone outer measuring rod and the small cone inner measuring rod is provided with a measuring head II; the two measuring heads II are coaxial and are arranged perpendicular to a small conical surface bus of the biconical workpiece; the sensor I, the sensor II, the driving device I and the driving device II are respectively connected with a computer.
2. The apparatus for detecting the wall thickness and the wall thickness difference of the double cones according to claim 1, wherein: the leaf spring lever mechanism comprises a leaf spring mounting seat, sensor mounting holes communicated with the two side faces are formed in the leaf spring mounting seat, and arched leaf spring grooves are formed in the leaf spring mounting seat close to the two side faces respectively; a rectangular leaf spring groove is arranged on the leaf spring mounting seat close to the front end, and two ends of the rectangular leaf spring groove are respectively communicated with the two arched leaf spring grooves; the middle part of the leaf spring mounting seat is provided with an L-shaped leaf spring groove, the L-shaped leaf spring groove is communicated with an arched leaf spring groove, leaf springs in corresponding shapes are respectively arranged in the leaf spring grooves, the sensors I and II are mounted in sensor mounting holes of corresponding leaf spring lever mechanisms, and contacts of the sensors I and II are in contact with the leaf springs in the corresponding arched leaf spring grooves.
3. The apparatus for detecting the wall thickness and the wall thickness difference of the double cones according to claim 1, wherein: the driving device I comprises a screw rod I, a stepping motor I and a nut I; the stepping motor I is fixedly arranged at the bottom of the workbench, an output shaft of the stepping motor I is connected with the screw rod I, the nut I is in threaded connection with the screw rod I, the nut I is connected with the sliding seat I, and the stepping motor I is connected with a computer; or the driving device I adopts a hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixedly arranged at the bottom of the workbench, and the piston rod of the hydraulic cylinder is connected with the sliding seat I.
4. The apparatus for detecting the wall thickness and the wall thickness difference of the double cones according to claim 1, wherein: the driving device II comprises a screw rod II, a stepping motor II and a nut II; the stepping motor II is fixedly arranged at the bottom of the workbench, an output shaft of the stepping motor II is connected with the screw rod II, the nut II is in threaded connection with the screw rod II, the nut II is connected with the sliding seat II, and the stepping motor II is connected with a computer; or the driving device II adopts a hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixedly arranged at the bottom of the workbench, and the piston rod of the hydraulic cylinder is connected with the sliding seat II.
5. The apparatus for detecting the wall thickness and the wall thickness difference of the double cones according to claim 1, wherein: the double-cone positioning seat comprises a large cone positioning seat and a small cone positioning seat, and the large cone positioning seat comprises a supporting seat and a positioning tube; the upper part of the supporting seat is provided with a bearing seat, the rear part of the positioning tube is cylindrical and is arranged in a bearing of the bearing seat, and the front part of the positioning tube is conical and is used for positioning the inner part of the large end of the biconical workpiece;
the small cone positioning seat comprises a pressing guide rail, a pressing seat, a positioning bearing seat, a rotating device, a pressing rod, a handle and a connecting rod; the pressing guide rail is fixedly arranged on the workbench and is parallel to the axis of the positioning pipe; the pressing seat is arranged on the pressing guide rail and can slide along the pressing guide rail, and the positioning bearing seat is arranged on the pressing seat; the positioning bearing seat is provided with a positioning shaft through a bearing, one end of the positioning shaft, which faces the positioning pipe, is provided with a positioning hole, and the other end of the positioning shaft is connected with the rotating device; the positioning hole is used for positioning the small end of the biconical workpiece and is coaxial with the positioning tube; the pressing seat is provided with a through hole, one end of the pressing rod is provided with a thread, the end of the pressing rod is inserted into the through hole, the pressing rod is provided with a pressing nut and a pressing spring, the pressing nut is in threaded connection with the thread, and two ends of the pressing spring are respectively contacted with the pressing seat and the pressing nut; the other end of the pressing rod is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with a hinge lug at the bottom of the handle, and the hinge lug at the bottom of the handle is hinged with the workbench.
6. The apparatus for detecting the wall thickness and the wall thickness difference of the double cones according to claim 5, wherein: the rotating device adopts a hand wheel, and a rotating shaft of the hand wheel is connected with the positioning shaft through a spline.
7. The apparatus for detecting the wall thickness and the wall thickness difference of the double cones according to claim 5, wherein: the rotating device adopts a stepping motor, the stepping motor is arranged on a motor mounting seat, the motor mounting seat is arranged on a pressing seat, an output shaft of the stepping motor is connected with a positioning shaft, and the stepping motor is connected with a computer.
8. The apparatus for detecting the wall thickness and the wall thickness difference of the double cones according to claim 1, wherein: the automatic printing machine is characterized by further comprising a rack, wherein the workbench and the computer are mounted on the rack, an alarm lamp, an electric cabinet and a printer are further arranged on the rack, and the electric cabinet supplies power to the computer, the measuring head I, the measuring head II, the stepping motor I, the stepping motor II and the stepping motor; the printer is connected with the computer.
9. The apparatus for detecting the wall thickness and the wall thickness difference of the double cones according to claim 1, wherein: and a pneumatic sliding table is fixedly mounted on the sliding seat II, a piston rod of a cylinder of the pneumatic sliding table is connected with a leaf spring lever mechanism, and the other leaf spring lever mechanism on the sliding seat II is fixedly connected with the sliding seat II.
Priority Applications (1)
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