CN215766890U

CN215766890U - Radial jump measuring recorder

Info

Publication number: CN215766890U
Application number: CN202121580275.9U
Authority: CN
Inventors: 陆金明
Original assignee: Kunshan Xujianxiang Precision Machinery Manufacturing Co ltd
Current assignee: Kunshan Xujianxiang Precision Machinery Manufacturing Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-02-08
Anticipated expiration: 2031-07-13

Abstract

The utility model relates to a radial run-out measuring recorder which comprises a power distribution cabinet, wherein a cavity for mounting a PLC (programmable logic controller) and a circuit module is arranged in the power distribution cabinet, a concave cavity is arranged at the top of the power distribution cabinet, a bottom plate is arranged at the top of the concave cavity, two roller frames for supporting a camshaft workpiece are arranged on the left side and the right side of the top surface of the bottom plate close to the front end in parallel, two CMOS (complementary metal oxide semiconductor) laser displacement sensors for detecting radial run-out of the camshaft workpiece are arranged on the left side and the right side of the part behind the roller frames in parallel, and each CMOS laser displacement sensor is adjusted and positioned by a measuring support with the bottom fixed on the top surface of the bottom plate; the parts of the top surface of the bottom plate, which are close to the rear end, are respectively provided with a touch display and a variety selection function key, and the touch display, the variety selection function key and the CMOS laser displacement sensor are all in electric signal connection with the PLC. The measuring device has the advantages of high measuring precision, simple and convenient operation and high working efficiency, and is suitable for detecting various shaft parts.

Description

Radial jump measuring recorder

Technical Field

The utility model relates to the field of camshaft measurement, in particular to a radial run-out measurement recorder.

Background

The traditional camshaft diameter jump measurement is carried out by a measurer through a digital display dial indicator, the corresponding dial indicator needs to be found before measurement, then calibration is carried out, the measuring tool is heavy, and the position during actual measurement needs to be controlled accurately; in order to ensure the accuracy of measured data, the thimble of the dial indicator is adjusted to the optimal position during measurement, the reading after each measurement needs to be manually recorded by a measuring person, each camshaft needs to measure at least four numerical values, and the measurement needs to be carried out twice after being radially rotated by 180 degrees in the measurement process; after the measurement is finished, the measurement personnel need to compare the recorded measurement data, and then judge whether the camshaft is a qualified product; because the measured data is recorded manually, the data on the data table for recording the data is dense and numb after the measurement work is finished, the data searching and checking correspondingly become very headache work, and in addition, the data is input into a computer file and a large amount of time and energy of measuring personnel are consumed, so that the radial run-out measuring efficiency of the existing camshaft is low, the numerical error is large, the operation steps are complicated, the production efficiency is seriously influenced, and a large amount of manpower and material cost is consumed.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a radial runout measuring recorder which can improve the measuring efficiency and has high measuring precision.

In order to solve the technical problems, the utility model is realized by the following technical scheme: a diameter jump measuring recorder comprises a power distribution cabinet, wherein a cavity for installing a PLC (programmable logic controller) and a circuit module is arranged in the power distribution cabinet, an opening which is communicated with the inside and the outside is formed in the front of the cavity, and a cabinet door which can be opened and closed is arranged at the opening; the top of the power distribution cabinet is provided with a sunken concave cavity, the top of the concave cavity is provided with a bottom plate, the bottom plate is fixedly connected with the power distribution cabinet through bolts, two roller shaft frames for supporting a camshaft workpiece are arranged on the left and right sides of the top surface close to the front end of the bottom plate in parallel, two CMOS laser displacement sensors for detecting radial runout of the camshaft workpiece are arranged on the left and right sides of the rear side of the roller shaft frames in parallel, the distance between each CMOS laser displacement sensor and the camshaft workpiece is 60-65mm, and each CMOS laser displacement sensor is adjusted and positioned through a measuring support with the bottom fixed on the top surface of the bottom plate; the parts of the top surface of the bottom plate, which are close to the rear end, are respectively provided with a touch display and a variety selection function key, and the touch display, the variety selection function key and the CMOS laser displacement sensor are all in electric signal connection with the PLC.

Preferably, the roller frame consists of a mounting block, a wheel frame and a roller; the mounting block is of a rectangular structure, the top of the mounting block is at least provided with a first threaded positioning hole which is communicated up and down, a first locking bolt which is in threaded fit with the first threaded positioning hole is arranged in the first threaded positioning hole, and two roller racks which are arranged on the bottom plate in parallel from left to right are respectively fixed on the bottom plate through the corresponding first locking bolts; the cam shaft workpiece is placed between the two rollers which are symmetrically arranged in the front and back direction.

Preferably, the part of the top surface of the bottom plate close to the front end is transversely provided with a guide groove, the left end and the right end of the guide groove are respectively communicated with the outer sides of the left end and the right end of the bottom plate, two roller frames which are arranged in parallel from left to right are positioned in the guide groove, and the front length and the rear length of the mounting block on each roller frame are matched with the front width and the rear width of the guide groove; a threaded positioning hole convenient for the first locking bolt on the right side roller frame to be connected and fixed is arranged in the position, close to the right end, in the guide groove; the roller frame positioned on the left side can move left and right in the guide groove through the mounting block at the bottom of the roller frame, and is fixedly positioned with the bottom plate through the corresponding first locking bolt on the mounting block.

As preferred, the guide way bottom be located the left position of right side roller frame transversely be provided with the constant head tank of intercommunication about the bottom plate bottom, the bottom below of constant head tank is provided with the locating piece, the front and back width of locating piece is greater than the groove width around the constant head tank, the locating piece top surface be provided with about intercommunication and with first locking bolt screw-thread fit's threaded connection hole, be located in the guide way on the left roller frame through its installation piece first locking bolt pass the constant head tank with the locating piece spiro union of bottom plate below together, can adjust and fix the position of this roller frame in the constant head tank through adjusting the elasticity between first locking bolt and the locating piece on the roller frame of left side.

Preferably, the wheel carrier is composed of two frame bases which are arranged in bilateral symmetry, an interval which is convenient for the vertical installation of the idler wheel is arranged between the two frame bases, and the idler wheel is movably connected in the interval through a pin shaft.

Preferably, the measuring bracket consists of a guide rod, a guide shaft, an adjusting block and a supporting plate; the guide rod is vertically fixed at the top of the bottom plate, the guide shaft is transversely connected to the guide rod through an adjusting block, and the guide shaft is vertically parallel to the bottom plate; the position that the backup pad is close to the end is in through fourth locking bolt fixed connection the one of them one end of guiding axle, CMOS laser displacement sensor passes through bolt fixed connection and is close to the position of front end in the backup pad, and this CMOS laser displacement sensor outside covers and is equipped with the photoelectricity safety cover, the photoelectricity safety cover with be in the same place through bolt fixed connection between the backup pad.

Preferably, the adjusting block is of a rectangular square structure, a vertical adjusting hole which is communicated up and down and the end surface structure of which is matched with the end surface structure of the guide rod is arranged at the position, close to the rear end, of the top surface of the adjusting block, a second threaded positioning hole communicated with the outer side of the adjusting block is arranged at one side of the vertical adjusting hole, a second locking bolt in threaded fit with the second threaded positioning hole is arranged in the second threaded positioning hole, the adjusting block is sleeved outside the vertically arranged guide rod through the vertical adjusting hole, and the height position is adjusted by adjusting the tightness between the second locking bolt and the guide rod; the left side and the right side of the adjusting block are provided with transverse adjusting holes which are communicated left and right and the end surface structures of which are matched with the end surface structures of the guide shaft, the front end of the adjusting block is provided with a third threaded positioning hole communicated with the transverse adjusting holes, a third locking bolt in threaded fit with the third threaded positioning hole is arranged in the third threaded positioning hole, the guide shaft is arranged in the transverse adjusting holes in a penetrating manner, and the left and right positions of the guide shaft can be adjusted by adjusting the tightness between the third locking bolt and the guide shaft; the center of the two ends of the guide shaft is respectively provided with a fourth threaded positioning hole in threaded fit with the fourth locking bolt, one side of the support plate, which is close to the tail end, is provided with a clamping groove matched with the end face structure of the guide shaft, the clamping groove is internally provided with positioning holes communicated left and right, and the support plate is clamped at one end of the guide shaft through the clamping groove and penetrates through the positioning holes through the fourth locking bolt to be fixedly connected to the corresponding fourth threaded positioning holes.

Preferably, a rectangular groove communicated with the outer side of the adjusting block is arranged on one side of the vertical adjusting hole corresponding to the second threaded positioning hole and one side of the transverse adjusting hole corresponding to the third threaded positioning hole, a pressing strip matched with the rectangular groove in an embedded manner is arranged in the rectangular groove, a threaded hole is formed in the surface of the pressing strip corresponding to the bottom of the rectangular groove, a limiting hole communicated with the outer side of the adjusting block in a linear manner is formed in the position of the bottom of the rectangular groove corresponding to the threaded hole, a positioning stud is screwed in the threaded hole, the head of the positioning stud extends into the corresponding limiting hole, the pressing strip can be prevented from being separated from the rectangular groove through the matching of the positioning stud and the limiting hole, and the tail ends of the second locking bolt and the third locking bolt are respectively abutted against the corresponding pressing strips, the tightness between the corresponding pressing strip and the guide rod and between the corresponding pressing strip and the guide shaft can be controlled by adjusting the second locking bolt and the third locking bolt.

Preferably, at least one flat surface is provided on the outer side of the guide shaft.

Preferably, four corners of the bottom of the power distribution cabinet are respectively provided with a universal wheel.

Compared with the prior art, the radial jump measuring recorder has the following advantages:

1. the measurement accuracy is high: the diameter jump measuring recorder adopts a laser detection mode to replace the traditional manual digital display dial indicator measurement, because the digital display dial indicator is in contact type measurement, the measuring tool is worn in the using process, and the laser measurement is in non-contact type, the condition of abrasion does not exist, and the measurement precision of the product is effectively ensured;

2. the operation is simpler: the measuring personnel only need to horizontally place the measured camshaft on the roller frame and press the corresponding key within the range of the corresponding variety, model and tolerance on the variety selection function key, thus saving the steps of finding the corresponding dial indicator, achieving accurate effect and the like in the traditional measurement;

3. work efficiency is high, and cost reduction: the diameter jump measuring recorder can automatically display the measured numerical value on the touch display in a table form, and the numerical value is automatically compared and whether the product is qualified or not is displayed; in addition, the qualified number, the abnormal number, the number of recorded data and the like can be displayed, Excel tables are automatically generated by the stored data, and a measurer can take out the data for storage by using a CF storage card, so that the traditional mode of manually recording the measured data is replaced, the workload of the measurer is reduced, the working efficiency is greatly improved, and the cost of manpower and material resources is reduced;

4. the detection device is suitable for detecting various shaft parts and has wide application range.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the front side of the radial jump measuring recorder of the present invention;

FIG. 2 is a schematic diagram of the right side of the radial jump measuring recorder of the present invention;

FIG. 3 is a schematic top view of the radial jump measuring recorder of the present invention;

FIGS. 4 and 5 are schematic front perspective views of the roller frame and the laser measuring device of the radial runout measuring recorder of the present invention after being assembled with the base plate;

FIG. 6 is a schematic view of the bottom structure of the bottom plate after the roller frame and the laser measuring device are assembled with the bottom plate in the radial runout measuring recorder of the present invention;

FIG. 7 is a right side schematic view of the assembled roller frame and laser measuring device with the bottom plate in the radial runout measuring recorder of the present invention;

FIG. 8 is a schematic top view of the assembled roller frame and laser measuring device with the base plate of the present invention;

FIG. 9 is a cross-sectional view of the structure A-A of FIG. 8;

FIG. 10 is an enlarged view of C of FIG. 9;

FIG. 11 is a cross-sectional view of the structure B-B of FIG. 8;

fig. 12 is an enlarged view of the structure D in fig. 11.

In the figure: 1. a power distribution cabinet; 1-1, a cabinet door; 1-2, universal wheels; 2. a base plate; 2-1, a guide groove; 2-2, positioning a groove; 3. a touch-sensitive display; 4. a variety selection function key; 5. a roller frame; 5-1, mounting blocks; 5-2, wheel carrier; 5-3, rollers; 5-4, a pin shaft; 5-5, a first locking bolt; 5-6, positioning blocks; 6. a CMOS laser displacement sensor; 6-1, a guide rod; 6-2, a guide shaft; 6-3, an adjusting block; 6-31, vertical adjusting holes; 6-32 parts of limiting holes; 6-33, a compression strip; 6-331, threaded hole; 6-34, transverse adjusting holes; 6-4, a support plate; 6-5, photoelectric protective cover; 6-6, a second locking bolt; 6-7, a third locking bolt; 6-8, a fourth locking bolt; 7. camshaft work piece.

Detailed Description

The utility model is described in detail below with reference to the following figures and embodiments:

the diameter jump measurement recorder shown in fig. 1 to 3 comprises a power distribution cabinet 1, wherein a cavity for installing a PLC controller and a circuit module is arranged in the power distribution cabinet 1, an opening which is communicated with the inside and the outside is arranged on the front surface of the cavity, and a cabinet door 1-1 which can be opened and closed is arranged at the opening, so that the PLC controller and the circuit module can be conveniently dismounted, assembled, adjusted and maintained; the top of the power distribution cabinet 1 is provided with a sunken concave cavity, the top of the concave cavity is provided with a bottom plate 2, the bottom plate 2 is fixedly connected with the power distribution cabinet 1 through bolts, two rolling shaft frames 5 for supporting a camshaft workpiece 7 are arranged on the left and right sides of the top surface close to the front end in parallel, two CMOS laser displacement sensors 6 for detecting radial runout of the camshaft workpiece 7 are arranged on the left and right sides of the rear side of each rolling shaft frame 5 in parallel, the distance between each CMOS laser displacement sensor 6 and the camshaft workpiece 7 is 60-65mm, and each CMOS laser displacement sensor 6 is adjusted and positioned through a measuring support with the bottom fixed on the top surface of the bottom plate 2; the top surface of the bottom plate 2 near the rear end is respectively provided with a touch display 3 and a variety selection function key 4, the touch display 3 and the selection function key 4 are respectively arranged on the bottom plate 2 through a man-machine upright post and a support rod which are vertically arranged, and the rotation of the man-machine upright post can be realized through the convenience of the connection between the man-machine upright post and the bottom plate 2 through the bearing, meanwhile, the center of the man-machine upright post is provided with a circuit hole which is communicated up and down, the part of the top surface of the power distribution cabinet 1 corresponding to the installation of the man-machine upright post is provided with a lead hole which is communicated with the inner cavity, the circuit on the touch display 3 is connected with the PLC controller in the power distribution cabinet 1 through a circuit hole at the center of the man-machine stand column and a lead wire hole in an electric signal way, and the bottom plate 2 is provided with a wiring hole communicated with the inner cavity of the power distribution cabinet 1, so that the variety selection function key 4 and the CMOS laser displacement sensor 6 are both in electric signal connection with the PLC; the measured numerical value can be automatically displayed in a table form through the touch display 3, the measured numerical value is automatically compared, whether the product is qualified or not is displayed, in addition, the qualified number, the abnormal number, the recorded number and the like of the product can also be displayed, the Excel table can be automatically generated through the PLC, a measurer can take out and store the data in addition through the CF storage card, and the corresponding variety, model and tolerance range can be selected for the camshaft workpiece 7 to be detected through the variety selection function key 4.

As shown in fig. 4, the roller frame 5 is composed of a mounting block 5-1, a wheel frame 5-2 and a roller 5-3; the mounting block 5-1 is of a rectangular structure, the top of the mounting block is at least provided with one first threaded positioning hole which is communicated up and down, preferably two first threaded positioning holes are arranged in the first threaded positioning hole, a first locking bolt 5-5 which is in threaded fit with the first threaded positioning hole is arranged in the first threaded positioning hole, and two roller shaft frames 5 which are arranged on the bottom plate 2 in parallel from left to right are respectively fixed on the bottom plate 2 through the corresponding first locking bolts 5-5; the two sets of wheel frames 5-2 are symmetrically arranged on the top surface of the mounting block 5-1 in a front-back mode, the two rollers 5-3 are vertically arranged on the two sets of wheel frames 5-2 in the front-back mode respectively, the tops of the rollers 5-3 are higher than the tops of the wheel frames 5-2, the circumferential surfaces of the two rollers 5-3 are symmetrically arranged in the front-back mode, a V-shaped opening is formed between the two rollers 5-3 in the front-back mode, the camshaft workpiece 7 is placed in the V-shaped opening, supporting is carried out through the two rollers 5-3 in the front-back mode, and meanwhile the camshaft workpiece 7 can conveniently rotate on the rollers 5-3 in a manual mode.

In order to ensure that the roller frame 5 positioned on the left side and the roller frame 5 positioned on the right side are always positioned on the same straightness, a guide groove 2-1 with the left end and the right end respectively communicated with the outer sides of the left end and the right end of the bottom plate 2 is transversely arranged at the position, close to the front end, of the top surface of the bottom plate 2, the two roller frames 5 which are arranged in parallel left and right are positioned in the guide groove 2-1, and the front-back length of a mounting block 5-1 on each roller frame 5 is matched with the front-back width of the guide groove 2-1; a threaded positioning hole convenient for the first locking bolt 5-5 on the right side roller frame 5 to be connected and fixed is arranged in the position, close to the right end, in the guide groove 2-1; the roller frame 5 positioned on the left side can move left and right in the guide groove 2-1 through the mounting block 5-1 at the bottom of the roller frame, and is fixedly positioned with the bottom plate 2 through the corresponding first locking bolt 5-5 on the mounting block 5-1.

As shown in fig. 6, in order to facilitate the left and right movement of the left roller frame 5 and the fixation of the roller frame 5, a positioning groove 2-2 which is vertically communicated with the bottom of the bottom plate 2 is transversely arranged at the position of the bottom of the guide groove 2-1 which is positioned at the left side of the right roller frame 5, a positioning block 5-6 is arranged below the bottom of the positioning groove 2-2, the positioning block 5-6 is positioned in a cavity at the top of the power distribution cabinet 1, the front and back width of the positioning block 5-6 is larger than the front and back groove width of the positioning groove 2-2, a threaded connection hole which is vertically communicated and is in threaded fit with the first locking bolt 5-5 is arranged on the top surface of the positioning block 5-6, the roller frame 5 positioned at the left side in the guide groove 2-1 passes through the positioning groove 2-2 through the first locking bolt 5-5 on the mounting block 5-1 and is in threaded connection with the positioning block 5-6 below the bottom plate 2, the position of the roller frame 5 in the positioning groove 2-2 can be adjusted and fixed by adjusting the tightness between the first locking bolt 5-5 and the positioning block 5-6 on the left roller frame 5.

As shown in fig. 7 and 8, in order to facilitate the installation and stability of the roller 5-3, the wheel carrier 5-2 is composed of two frame bases which are arranged symmetrically left and right, an interval which facilitates the vertical installation of the roller 5-3 is arranged between the two frame bases, and the roller 5-3 is movably connected in the interval through a pin 5-4.

As shown in FIG. 5, the measuring bracket is composed of a guide rod 6-1, a guide shaft 6-2, an adjusting block 6-3 and a supporting plate 6-4; the guide rod 6-1 is vertically fixed at the top of the bottom plate 2, the guide shaft 6-2 is transversely connected to the guide rod 6-1 through an adjusting block 6-3, and the guide shaft 6-2 is vertically parallel to the bottom plate 2; the position, close to the tail end, of the supporting plate 6-4 is fixedly connected to one end of the guide shaft 6-2 through a fourth locking bolt 6-8, the CMOS laser displacement sensor 6 is fixedly connected to the position, close to the front end, of the supporting plate 6-4 through a bolt, a photoelectric protection cover 6-5 covers the outer portion of the CMOS laser displacement sensor 6, and the photoelectric protection cover 6-5 is fixedly connected with the supporting plate 6-4 through a bolt.

As shown in fig. 9 and 11, the adjusting block 6-3 is a rectangular block structure, a vertical adjusting hole 6-31 which is communicated with each other up and down and has an end surface structure matched with the end surface structure of the guide rod 6-1 is formed in a position of the top surface of the adjusting block close to the rear end, a second threaded positioning hole communicated with the outer side of the adjusting block 6-3 is formed in one side of the vertical adjusting hole 6-31, a second locking bolt 6-6 which is in threaded fit with the second threaded positioning hole is arranged in the second threaded positioning hole, the adjusting block 6-3 is sleeved outside the vertically arranged guide rod 6-1 through the vertical adjusting hole 6-31, and the height position is adjusted by adjusting the tightness between the second locking bolt 6-6 and the guide rod 6-1; the left side and the right side of the adjusting block 6-3 close to the front end are provided with transverse adjusting holes 6-34 which are communicated left and right and the end surface structures of which are matched with the end surface structures of the guide shaft 6-2, the front end of the adjusting block 6-3 is provided with a third threaded positioning hole communicated with the transverse adjusting hole 6-34, a third locking bolt 6-7 in threaded fit with the third threaded positioning hole is arranged in the third threaded positioning hole, the guide shaft 6-2 is arranged in the transverse adjusting hole 6-34 in a penetrating way, and the left and right positions of the guide shaft 6-2 can be adjusted by adjusting the tightness between the third locking bolt 6-7 and the guide shaft 6-2; the center of each of two ends of the guide shaft 6-2 is provided with a fourth threaded positioning hole in threaded fit with the fourth locking bolt 6-8, one side, close to the tail end, of the support plate 6-4 is provided with a clamping groove matched with the end face structure of the guide shaft 6-2, a positioning hole communicated with the left and the right is formed in the clamping groove, and the support plate 6-4 is clamped at one end of the guide shaft 6-2 through the clamping groove and fixedly connected to the corresponding fourth threaded positioning hole through the fourth locking bolt 6-8 penetrating through the positioning hole.

As shown in fig. 10 and 12, in order to facilitate the height position adjustment of the adjusting block 6-3 on the guide rod 6-1 and the left-right position adjustment of the guide shaft 6-2 on the adjusting block 6-3, rectangular grooves communicated with the outer side of the adjusting block 6-3 are respectively arranged on one side of the vertical adjusting holes 6-31 corresponding to the second threaded positioning holes and one side of the horizontal adjusting holes 6-34 corresponding to the third threaded positioning holes, pressing strips 6-33 in embedded fit with the rectangular grooves are arranged in the rectangular grooves, threaded holes 6-331 are arranged on the surfaces of the pressing strips 6-33 corresponding to the bottoms of the rectangular grooves, limiting holes 6-32 in linear communication with the outer side of the adjusting block 6-3 are arranged on the bottoms of the rectangular grooves corresponding to the threaded holes 6-331, and positioning studs are screwed in the threaded holes 6-331, the head of the positioning stud extends into the corresponding limiting hole 6-32, the pressing strips 6-33 can be prevented from being separated from the rectangular groove through the matching of the positioning stud and the limiting hole 6-32, the tail ends of the second locking bolt 6-6 and the third locking bolt 6-7 are respectively abutted to the corresponding pressing strips 6-33, and the tightness between the corresponding pressing strips 6-33 and the guide rod 6-1 and the guide shaft 6-2 can be respectively controlled through adjusting the second locking bolt 6-6 and the third locking bolt 6-7.

In order to prevent the guide shaft 6-2 from rotating in the lateral adjustment hole 6-34 and affecting the angle of the support plate 6-4 connected thereto, the outer side of the guide shaft 6-2 is provided with at least one flat surface.

In order to move conveniently, four corners of the bottom of the power distribution cabinet 1 are respectively provided with a universal wheel 1-2.

The specific working principle is as follows: according to the length of a camshaft workpiece 7, firstly loosening a first locking bolt 5-5 and a positioning block 5-6 on a left roller frame 5, then moving the roller frame 5 in a guide groove 2-1, adjusting the distance between the left roller frame 5 and a right roller frame 5 according to the length of the camshaft workpiece 7, after the distance is adjusted, fixing the roller 5 on the left side in the guide groove 2-1 on a bottom plate 2 through the corresponding first locking bolt 5-5 and the positioning block 5-6, then placing the camshaft workpiece 7 on the two roller frames 5 which are symmetrical left and right, erecting the camshaft workpiece 7 between two rollers 5-3 which are symmetrical front and back, then outwards loosening a second locking bolt 6-6 on a measuring support, adjusting the height of an adjusting block 6-3 on a guide rod 6-1, rotating the second locking bolt 6-6 after the height is adjusted, the corresponding pressing strips 6-33 are combined with the vertical adjusting holes 6-31 to clamp the guide rod 6-1, so that the position of the adjusting block 6-3 is fixed; then the third locking bolt 6-7 is loosened outwards, then the left and right position of the guide shaft 6-2 can be adjusted, the left and right position of the support plate 6-4 connected with the guide shaft 6-2 is adjusted, the third locking bolt 6-7 is rotated inwards after the position of the guide shaft 6-2 is adjusted, the corresponding pressing strip is tightly clamped on the guide shaft 6-2 positioned in the transverse adjusting hole 6-34 through the third locking bolt 6-7, so that the fixing of the position of the guide shaft 6-2 is realized, the position adjustment of the CMOS laser displacement sensor 6 on the support plate 6-4 is finally realized, the optimal distance between the CMOS laser displacement sensor 6 and the camshaft workpiece 7 is 60-65mm, one CMOS laser displacement sensor 6 corresponds to the side surface of the camshaft workpiece 7, the other CMOS laser displacement sensor 6 corresponds to the position on the camshaft workpiece 7 close to the top, two CMOS laser displacement sensors 6 are respectively arranged at positions, close to two ends, of a camshaft workpiece 7, the camshaft workpiece 7 can be detected by selecting corresponding varieties on a variety selection function key 4, the models and tolerance ranges and pressing corresponding keys, after the first point of the camshaft workpiece 7 is detected by the two CMOS laser displacement sensors 6, the camshaft workpiece 7 is rotated 180 degrees on a roller 5-3 in a manual mode to measure a second point, the measured data are transmitted to a touch display 3 through a PLC (programmable logic controller), and then the data monitored by the CMOS laser displacement sensors 6 are displayed and judged.

The measuring precision of the diameter jump measuring recorder is high: the diameter jump measuring recorder adopts a laser detection mode to replace the traditional manual digital display dial indicator measurement, because the digital display dial indicator is in contact type measurement, the measuring tool is worn in the using process, and the laser measurement is in non-contact type, the condition of abrasion does not exist, and the measurement precision of the product is effectively ensured; the operation is simpler: the measuring personnel only need to horizontally place the measured camshaft on the roller frame and press the corresponding key within the range of the corresponding variety, model and tolerance on the variety selection function key, thus saving the steps of finding the corresponding dial indicator, achieving accurate effect and the like in the traditional measurement; work efficiency is high, and cost reduction: the diameter jump measuring recorder can automatically display the measured numerical value on the touch display in a table form, and the numerical value is automatically compared and whether the product is qualified or not is displayed; in addition, the qualified number, the abnormal number, the number of recorded pieces and the like can be displayed, Excel tables are automatically generated by stored data, and a measurer can take out the data for storage by using a CF storage card, so that the traditional mode of manually recording the measured data is replaced, the workload of the measurer is reduced, the working efficiency is greatly improved, the labor and material cost is reduced, and the method is suitable for the radial jump detection of various shaft parts.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a jump diameter measurement record appearance which characterized in that: the power distribution cabinet comprises a power distribution cabinet (1), wherein a cavity for installing a PLC (programmable logic controller) and a circuit module is arranged in the power distribution cabinet (1), an opening communicated with the inside and the outside is formed in the front of the cavity, and a cabinet door (1-1) capable of being opened and closed is arranged at the opening; the top of the power distribution cabinet (1) is provided with a sunken concave cavity, the top of the concave cavity is provided with a bottom plate (2), the bottom plate (2) is fixedly connected with the power distribution cabinet (1) through bolts, two roller frames (5) for supporting a camshaft workpiece (7) are arranged on the left and right sides of the top surface close to the front end of the bottom plate in parallel, two CMOS laser displacement sensors (6) for detecting radial runout of the camshaft workpiece (7) are arranged on the left and right sides of the rear side of each roller frame (5) in parallel, the distance between each CMOS laser displacement sensor (6) and the camshaft workpiece (7) is 60-65mm, and each CMOS laser displacement sensor (6) is adjusted and positioned through a measuring support with the bottom fixed on the top surface of the bottom plate (2); the part of the top surface of the bottom plate (2) close to the rear end is respectively provided with a touch display (3) and a variety selection function key (4), and the touch display (3), the variety selection function key (4) and the CMOS laser displacement sensor (6) are all in electric signal connection with the PLC.

2. The radial jump measurement recorder of claim 1, wherein: the roller frame (5) consists of a mounting block (5-1), a wheel frame (5-2) and rollers (5-3); the mounting block (5-1) is of a rectangular structure, the top of the mounting block is at least provided with a first threaded positioning hole which is communicated up and down, a first locking bolt (5-5) which is in threaded fit with the first threaded positioning hole is arranged in the first threaded positioning hole, and two roller frames (5) which are arranged on the bottom plate (2) in parallel from left to right are respectively fixed on the bottom plate (2) through the corresponding first locking bolts (5-5); the two sets of wheel carriers (5-2) are symmetrically arranged on the top surface of the mounting block (5-1) from front to back, the two rollers (5-3) are vertically arranged on the two sets of wheel carriers (5-2) which are symmetrically arranged from front to back, the tops of the rollers (5-3) are higher than the tops of the wheel carriers (5-2), the circumferential surfaces of the two rollers (5-3) are symmetrically arranged from front to back, and the camshaft workpiece (7) is placed between the two rollers (5-3) which are symmetrically arranged from front to back.

3. The radial jump measurement recorder of claim 2, wherein: the part of the top surface of the bottom plate (2) close to the front end is transversely provided with guide grooves (2-1) of which the left end and the right end are respectively communicated with the outer sides of the left end and the right end of the bottom plate (2), two rolling shaft frames (5) which are arranged in parallel from left to right are positioned in the guide grooves (2-1), and the front-back length of a mounting block (5-1) on each rolling shaft frame (5) is matched with the front-back width of the guide groove (2-1); a threaded positioning hole convenient for connecting and fixing a first locking bolt (5-5) on the right side roller frame (5) is arranged in the guide groove (2-1) and close to the right end; the roller frame (5) positioned on the left side can move left and right in the guide groove (2-1) through the mounting block (5-1) at the bottom of the roller frame, and is fixedly positioned with the bottom plate (2) through the corresponding first locking bolt (5-5) on the mounting block (5-1).

4. A radial jump measurement recorder according to claim 3, wherein: a positioning groove (2-2) which is vertically communicated with the bottom of the bottom plate (2) is transversely arranged at the position, located on the left side of the right roller frame (5), at the bottom of the guide groove (2-1), a positioning block (5-6) is arranged below the bottom of the positioning groove (2-2), the front-back width of the positioning block (5-6) is larger than the front-back groove width of the positioning groove (2-2), a threaded connecting hole which is vertically communicated and is in threaded fit with the first locking bolt (5-5) is arranged on the top surface of the positioning block (5-6), the roller frame (5) located on the left side in the guide groove (2-1) penetrates through the positioning groove (2-2) through the first locking bolt (5-5) on the mounting block (5-1) to be in threaded connection with the positioning block (5-6) below the bottom plate (2), the position of the roller frame (5) in the positioning groove (2-2) can be adjusted and fixed by adjusting the tightness between the first locking bolt (5-5) and the positioning block (5-6) on the left roller frame (5).

5. The radial jump measurement recorder of claim 2, wherein: the wheel carrier (5-2) is composed of two frame seats which are arranged in bilateral symmetry, an interval which is convenient for the vertical installation of the roller (5-3) is arranged between the two frame seats, and the roller (5-3) is movably connected in the interval through a pin shaft (5-4).

6. The radial jump measurement recorder of claim 1, wherein: the measuring bracket consists of a guide rod (6-1), a guide shaft (6-2), an adjusting block (6-3) and a supporting plate (6-4); the guide rod (6-1) is vertically fixed at the top of the bottom plate (2), the guide shaft (6-2) is transversely connected to the guide rod (6-1) through an adjusting block (6-3), and the guide shaft (6-2) is vertically parallel to the bottom plate (2); the position, close to the tail end, of the supporting plate (6-4) is fixedly connected to one end of the guide shaft (6-2) through a fourth locking bolt (6-8), the CMOS laser displacement sensor (6) is fixedly connected to the position, close to the front end, of the supporting plate (6-4) through a bolt, a photoelectric protection cover (6-5) is covered outside the CMOS laser displacement sensor (6), and the photoelectric protection cover (6-5) is fixedly connected with the supporting plate (6-4) through a bolt.

7. The radial jump measurement recorder of claim 6, wherein: the adjusting block (6-3) is of a rectangular square structure, a vertical adjusting hole (6-31) which is communicated up and down and the end face structure of which is matched with the end face structure of the guide rod (6-1) is arranged at the position, close to the rear end, of the top face of the adjusting block (6-3), a second threaded positioning hole communicated with the outer side of the adjusting block (6-3) is arranged at one side of the vertical adjusting hole (6-31), a second locking bolt (6-6) in threaded fit with the second threaded positioning hole is arranged in the second threaded positioning hole, the adjusting block (6-3) is sleeved outside the vertically arranged guide rod (6-1) through the vertical adjusting hole (6-31), and the height position is adjusted by adjusting the tightness between the second locking bolt (6-6) and the guide rod (6-1); the left side and the right side of the adjusting block (6-3) are provided with transverse adjusting holes (6-34) which are communicated left and right and the end surface structures of which are matched with the end surface structures of the guide shaft (6-2), the front end of the adjusting block (6-3) is provided with a third threaded positioning hole communicated with the transverse adjusting hole (6-34), a third locking bolt (6-7) in threaded fit with the third threaded positioning hole is arranged in the third threaded positioning hole, the guide shaft (6-2) is arranged in the transverse adjusting hole (6-34) in a penetrating mode, and the left and right positions of the guide shaft (6-2) can be adjusted by adjusting the tightness between the third locking bolt (6-7) and the guide shaft (6-2); the center of each of two ends of the guide shaft (6-2) is provided with a fourth threaded positioning hole in threaded fit with the fourth locking bolt (6-8), one side, close to the tail end, of the support plate (6-4) is provided with a clamping groove matched with the end face structure of the guide shaft (6-2), positioning holes communicated with the left and the right are formed in the clamping groove, and the support plate (6-4) is clamped at one end of the guide shaft (6-2) through the clamping groove and penetrates through the positioning holes to be fixedly connected to the corresponding fourth threaded positioning holes through the fourth locking bolt (6-8).

8. The radial jump measurement recorder of claim 7, wherein: one side of the vertical adjusting hole (6-31) corresponding to the second threaded positioning hole and one side of the transverse adjusting hole (6-34) corresponding to the third threaded positioning hole are respectively provided with a rectangular groove communicated with the outer side of the adjusting block (6-3), a pressing strip (6-33) in embedded fit with the rectangular groove is arranged in the rectangular groove, a threaded hole (6-331) is arranged on the surface of the pressing strip (6-33) corresponding to the bottom of the rectangular groove, a limiting hole (6-32) in linear connection with the outer side of the adjusting block (6-3) is arranged at the position of the rectangular groove bottom corresponding to the threaded hole (6-331), a positioning stud is screwed into the threaded hole (6-331), the head of the positioning stud extends into the limiting hole (6-32) corresponding to the positioning stud, and the pressing strip (6-33) can be prevented from being separated from the rectangular groove through the fit of the positioning stud and the limiting hole (6-32) And the tail ends of the second locking bolt (6-6) and the third locking bolt (6-7) are respectively abutted against the corresponding pressing strips (6-33), and the tightness between the corresponding pressing strips (6-33) and the guide rod (6-1) and the guide shaft (6-2) can be respectively controlled by adjusting the second locking bolt (6-6) and the third locking bolt (6-7).

9. The radial jump measurement recorder of claim 7, wherein: the outer side of the guide shaft (6-2) is provided with at least one plane.

10. The radial jump measurement recorder of claim 1, wherein: four corners of the bottom of the power distribution cabinet (1) are respectively provided with a universal wheel (1-2).