CN117948858A - High-precision machining part precision detection device - Google Patents
High-precision machining part precision detection device Download PDFInfo
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- CN117948858A CN117948858A CN202410349325.4A CN202410349325A CN117948858A CN 117948858 A CN117948858 A CN 117948858A CN 202410349325 A CN202410349325 A CN 202410349325A CN 117948858 A CN117948858 A CN 117948858A
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- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 238000003754 machining Methods 0.000 title claims abstract description 22
- 239000000523 sample Substances 0.000 claims abstract description 31
- 239000003550 marker Substances 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims 2
- 230000001788 irregular Effects 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000012937 correction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a precision detection device for a high-precision machined part, which relates to the technical field of workpiece precision detection and comprises a bottom plate, wherein the upper surface of the bottom plate is connected with an X-axis moving mechanism, a moving part of the X-axis moving mechanism is fixedly connected with a Y-axis adjusting mechanism, a screw thread of the Y-axis adjusting mechanism is connected with a Z-axis adjusting mechanism, and a moving part of the Z-axis adjusting mechanism is fixedly connected with a precision detection mechanism; the precision detection mechanism includes: and the mounting frame is fixedly connected with the moving part of the Z-axis adjusting mechanism, one side of the mounting frame, which is far away from the crankshaft to be measured, is spliced and provided with a guide plate, one side of the mounting frame, which is close to the crankshaft to be measured, is provided with a vertical limiting rod and a horizontal limiting rod in a sliding manner, the intersection point of the vertical limiting rod and the horizontal limiting rod is provided with a measuring rod in a sliding manner, one end of the measuring rod is fixedly connected with a guide seat, and the other end of the measuring rod is provided with a probe for measurement. The high-precision machining part precision detection device conveniently detects the machined irregular curved surface.
Description
Technical Field
The invention relates to the technical field of workpiece precision detection, in particular to a high-precision machining part precision detection device.
Background
Machining is a way to machine parts by machining raw materials to the final required requirements and with relatively high precision and quality. When parts of industrial products such as automobiles are produced, crankshafts or camshafts of different types are often required to be machined. The machined crankshaft or camshaft curved surface can be used only after the precision detection is qualified.
The crankshaft or camshaft part contains irregular curved surface, and current high-accuracy machined part precision detection device usually holds the part of machine tooling and carries out manual measurement, and because the irregular of partial curved surface leads to measuring method comparatively complicated, can't conveniently detect whether the curved surface of machine tooling is qualified, and precision detection efficiency is low.
Therefore, a novel high-precision machining part precision detection device is needed.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides a workpiece precision detection device of a high-precision machining workpiece precision detection device.
(II) technical scheme
In order to achieve the above purpose, the invention provides a precision detection device for a high-precision machined part, which comprises a bottom plate, wherein a clamping mechanism is arranged at one end of the bottom plate and used for clamping a crankshaft to be detected, the upper surface of the bottom plate is connected with an X-axis moving mechanism, a moving part of the X-axis moving mechanism is fixedly connected with a Y-axis adjusting mechanism, a screw rod of the Y-axis adjusting mechanism is in threaded connection with a Z-axis adjusting mechanism, and a moving part of the Z-axis adjusting mechanism is fixedly connected with a precision detection mechanism;
The precision detection mechanism includes: the device comprises a mounting frame fixedly connected with a moving part of a Z-axis adjusting mechanism, wherein a guide plate is inserted and mounted on one side, away from a crankshaft to be measured, of the mounting frame, a vertical limiting rod and a horizontal limiting rod are arranged on one side, close to the crankshaft to be measured, of the mounting frame in a sliding mode, the vertical limiting rod and the horizontal limiting rod are perpendicular to each other, a measuring rod is arranged at the intersection point of the vertical limiting rod and the horizontal limiting rod in a sliding mode, a guide seat is fixedly connected to one end of the measuring rod, two equidistant guide grooves are formed in the guide plate, two cylinders of the guide seat are respectively inserted into one guide groove, the shape of the guide groove of the guide plate is obtained by amplifying the contour equidistance of the curved surface to be measured, a probe for measuring is arranged at the other end of the measuring rod, and a marking pen parallel to the probe is arranged on one side of the probe.
As a preferred embodiment of the invention, a plurality of plug-in posts are fixedly arranged on one side of the mounting frame far away from the crankshaft to be tested, and the guide plate is fixedly plugged with the plug-in posts.
As a preferred embodiment of the invention, two ends of the mounting frame are respectively fixedly provided with a group of lock buckle components;
each set of shackle assemblies includes: and the rotating seat is fixedly connected with the outer wall of the mounting frame, the baffle is rotatably mounted on the rotating seat, and the baffle penetrates through the square hole of the mounting frame to be in contact with the guide plate.
As a preferred embodiment of the invention, the measuring rod penetrates through the through grooves of the vertical limiting rod and the horizontal limiting rod at the same time.
As a preferred embodiment of the invention, the ends of the vertical limiting rod and the horizontal limiting rod are fixedly provided with a sliding component;
Each slide assembly includes: and the sliding seat is fixedly connected with the end part of the limiting rod, and the sliding seat is rotatably provided with a roller.
As a preferred embodiment of the invention, the other end of the measuring rod is fixedly provided with the mounting plate, the mounting plate is provided with the mounting shell, the dial indicator is clamped between the mounting plate and the mounting shell, the dial indicator is provided with the telescopic probe, the marker pen is fixedly connected with the sliding seat, the sliding rod of the sliding seat is in sliding connection with the measuring rod, the sliding seat is rotationally connected with the adjusting screw rod, and the adjusting screw rod is in threaded connection with the measuring rod.
As a preferred embodiment of the present invention, the X-axis moving mechanism includes: two parallel and fixed mounting are on the line rail on the bottom plate, and two line rails fixed mounting have the mobile station jointly, and the other end fixed mounting of bottom plate has the mounting bracket, and driving motor is installed to the mounting bracket, and the coaxial fixedly connected with X axle screw of driving motor's output, and X axle screw and mobile station threaded connection.
As a preferred embodiment of the present invention, the Y-axis adjusting mechanism includes: and the Y shaft seat is fixedly connected with the mobile station, a Y shaft screw rod is rotatably arranged on the Y shaft seat, and one end of the Y shaft screw rod is coaxially and fixedly connected with a first rotary table.
As a preferred embodiment of the present invention, the Z-axis adjusting mechanism includes: the Z shaft seat is in threaded connection with the Y shaft screw rod, the lifting block is vertically and slidably arranged on the Z shaft seat, the worm is rotatably arranged in the middle of the Z shaft seat, the Z shaft screw rod is rotatably arranged in the inner cavity of the Z shaft seat, the Z shaft screw rod is in threaded connection with the lifting block, the worm wheel is coaxially and fixedly sleeved on the Z shaft screw rod, the worm wheel is meshed with the worm, and one end of the worm is coaxially and fixedly connected with the second turntable.
As a preferred embodiment of the present invention, the clamping mechanism includes: the clamping seat is fixedly arranged at one end of the bottom plate, the clamping seat is provided with a clamping disc, and the clamping disc clamps the crankshaft to be tested.
Advantageous effects
Compared with the prior art, the invention provides a high-precision machining part precision detection device, which has the following beneficial effects:
1. The dial indicator of the precision detection mechanism is attached to the curved surface to be detected of the crankshaft to be detected through adjustment of the Y-axis adjustment mechanism and the Z-axis adjustment mechanism and matching with the X-axis movement mechanism, the measuring rod is pushed by hand to move, the dial indicator is driven to rotate through the measuring rod when the guide seat moves along the guide groove, the probe of the dial indicator is enabled to be always vertical to the tangential plane of the curved surface to be detected, the probe is convenient to detect the machining precision of the curved surface to be detected, after the telescopic probe is jacked by the curved surface bulge exceeding the error, the marker contacts with the curved surface bulge exceeding the error to leave marks, machining disqualification positions are directly marked on the curved surface automatically, later-stage disqualification curved surface correction is facilitated, detection of irregular machined curved surfaces is conveniently achieved, and precision detection efficiency is improved;
2. When detecting a new irregular curved surface, installing a new guide plate on the installation frame, wherein the through holes of the guide plate are firstly inserted into the inserting columns, simultaneously, two columns of the guide seat are respectively inserted into the guide grooves of one guide plate, and then the baffle plate is rotated to enable the guide plate to abut against the guide plate, so that the guide plate cannot move, and the universality of the high-precision machining part precision detection device is improved due to the replaceable design of the guide plate;
3. The bolts arranged on the mounting shell are unscrewed, so that the mounting plate and the mounting shell are separated, the dial indicator can be taken down, and convenience in maintenance of the high-precision machining part precision detection device is improved due to the replacement design of the dial indicator.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is an enlarged view of the portion A of FIG. 1 in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of the overall structure of another embodiment of the present invention;
FIG. 4 is a schematic structural view of a Z-axis adjusting mechanism according to an embodiment of the present invention;
FIG. 5 is an exploded view of a Z-axis adjustment mechanism with a Z-axis seat removed in accordance with an embodiment of the present invention;
FIG. 6 is a schematic diagram of a precision detecting mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a precision detection mechanism with a mounting frame removed according to an embodiment of the present invention;
FIG. 8 is an enlarged view of the portion B of FIG. 7 in accordance with an embodiment of the present invention;
FIG. 9 is an enlarged view of FIG. 7 at C in accordance with an embodiment of the present invention;
FIG. 10 is a schematic diagram of a structure of a crankshaft to be tested for detecting with a probe according to an embodiment of the present invention;
FIG. 11 is an enlarged view of the portion D of FIG. 7 in accordance with an embodiment of the present invention;
fig. 12 is a schematic structural diagram of a latch assembly according to an embodiment of the invention.
In the figure:
1. a bottom plate;
2. an X-axis moving mechanism; 21. a wire rail; 22. a mobile station; 23. an X-axis screw; 24. a mounting frame; 25. a driving motor; 26. an inner hexagon bolt;
3. A Y-axis adjusting mechanism; 31. y shaft seat; 32. a Y-axis screw; 33. a first turntable;
4. A Z-axis adjusting mechanism; 41. z shaft seat; 42. a lifting block; 43. a second turntable; 44. a Z-axis screw; 45. a worm wheel; 46. a worm;
5. A precision detection mechanism; 51. a mounting frame; 52. a guide plate; 53. a vertical limit rod; 54. a horizontal stop lever; 55. a measuring rod; 56. a guide seat; 57. a sliding assembly; 571. a slide; 572. a roller; 58. a latch assembly; 581. a rotating seat; 582. a baffle; 59. a mounting plate; 510. a mounting shell; 511. a dial indicator; 512. a plug-in column; 513. a probe; 514. a sliding seat; 515. marking pen; 516. adjusting a screw;
6. a clamping mechanism; 61. a clamping seat; 62. a chuck;
7. and (5) testing the crankshaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-12, a high-precision machining part precision detection device comprises a base plate 1. The high-precision machining part precision detection device can detect irregular curved surfaces of a crankshaft or a camshaft of an engine. A clamping mechanism 6 is installed at one end of the bottom plate 1, and the clamping mechanism 6 is used for clamping a crankshaft 7 to be tested. The high-precision machining part precision detection device is used for detecting an irregular curved surface of the crankshaft 7 to be detected. The upper surface of the bottom plate 1 is connected with an X-axis moving mechanism 2, and a moving part of the X-axis moving mechanism 2 is fixedly connected with a Y-axis adjusting mechanism 3. The X-axis moving mechanism 2 and the Y-axis adjusting mechanism 3 are arranged in a crossing way, and the X-axis moving mechanism 2 and the Y-axis adjusting mechanism 3 are mutually perpendicular. The X-axis moving mechanism 2 is used for driving the precision detecting mechanism 5 to approach the crankshaft 7 to be detected. The Y-axis adjusting mechanism 3 is used for adjusting the position of the precision detecting mechanism 5 in the Y-axis direction. The screw thread of the Y-axis adjusting mechanism 3 is connected with a Z-axis adjusting mechanism 4. The Z-axis adjusting mechanism 4 is used for adjusting the position of the precision detecting mechanism 5 in the Z-axis direction. The moving part of the Z-axis adjusting mechanism 4 is fixedly connected with an accuracy detecting mechanism 5. The precision detecting mechanism 5 is used for detecting an irregular curved surface of the crankshaft 7 to be detected. The moving part of the X-axis moving mechanism 2 is linearly moved in the X-axis direction, the Z-axis seat 41 is linearly moved in the Y-axis direction, and the moving part of the Z-axis adjusting mechanism 4 is linearly moved in the Z-axis direction. The moving part of the X-axis moving mechanism 2 is a moving table 22, and the moving part of the z-axis adjusting mechanism 4 is a lifting block 42.
The clamping mechanism 6 includes: the clamping seat 61 is fixedly arranged at one end of the bottom plate 1, the clamping seat 61 is provided with a clamping disc 62, and the clamping disc 62 clamps the crankshaft 7 to be tested. The chuck 61 internally mounts the driving and controlling functions of the chuck 62. The chuck 62 has a shaft locking function so that the crankshaft 7 to be measured can be temporarily fixed in position for curved surface detection.
The X-axis moving mechanism 2 includes: two parallel and fixedly mounted wire tracks 21 on the base plate 1. Each line rail 21 is provided with a plurality of inner hexagon bolts 26 which are linearly and uniformly distributed, and each inner hexagon bolt 26 is screwed on the bottom plate 1. The two linear rails 21 are fixedly provided with a movable table 22, the other end of the bottom plate 1 is fixedly provided with a mounting frame 24, and the mounting frame 24 is provided with a driving motor 25. The four corners of the driving motor 25 are respectively provided with a bolt, and each bolt is in threaded connection with the mounting frame 24. The output end of the driving motor 25 is coaxially and fixedly connected with an X-axis screw 23, and the X-axis screw 23 is in threaded connection with the mobile station 22. The output end of the driving motor 25 is provided with an axle coupler and is fixedly connected with the X-axis screw 23 coaxially through the axle coupler.
The Y-axis adjusting mechanism 3 includes: the Y shaft seat 31 is fixedly connected with the mobile station 22, the Y shaft seat 31 is rotatably provided with a Y shaft screw 32, and one end of the Y shaft screw 32 is coaxially and fixedly connected with a first rotary table 33. Two ends of the Y-axis screw 32 are provided with circular limiting blocks, so that the Y-axis screw 32 can only rotate around the axis of the Y-axis screw and cannot move along the axis. The Y-axis screw 32 is fixedly connected coaxially with the first rotating disc 33 by welding. The first turntable 33 is rotated by hand to drive the Y-axis screw 32 to rotate, and the rotating Y-axis screw 32 drives the Z-axis seat 41 to slide linearly along the Y-axis seat 31.
The Z-axis adjusting mechanism 4 includes: the Z shaft seat 41 is in threaded connection with the Y shaft screw 32, the lifting block 42 is vertically and slidably arranged on the Z shaft seat 41, and the worm 46 is rotatably arranged in the middle of the Z shaft seat 41. The two ends of the worm 46 are respectively provided with a circular limiting block, so that the worm 46 can only rotate around the axis of the worm and cannot move along the axis. The inner cavity of the Z shaft seat 41 is rotatably provided with a Z shaft screw 44, and the Z shaft screw 44 is in threaded connection with the lifting block 42. The bottom of the Z-axis screw 44 is provided with a circular limiting block, so that the Z-axis screw 44 can only rotate around the axis of the Z-axis screw and cannot move along the axis. The Z-axis screw 44 is coaxially and fixedly sleeved with a worm gear 45, and the worm gear 45 is meshed with a worm 46. The rotation worm 46 may drive the worm wheel 45 to rotate. One end of the worm 46 is coaxially and fixedly connected with a second turntable 43, and the second turntable 43 is used for driving the worm 46 to rotate.
The precision detection mechanism 5 includes: and a mounting frame 51 fixedly connected with the moving part of the Z-axis adjusting mechanism 4, and a guide plate 52 is inserted and mounted on one side of the mounting frame 51 away from the crankshaft 7 to be tested. The mounting frame 51 is provided with an insert groove for mounting the guide plate 52. The guide plate 52 can be replaced according to the detected curved surface shape, so that the high-precision machining part precision detection device can detect different curved surface machining precision. The side of the mounting frame 51, which is close to the crankshaft 7 to be tested, is provided with a vertical limiting rod 53 and a horizontal limiting rod 54 in a sliding mode, the vertical limiting rod 53 and the horizontal limiting rod 54 are perpendicular to each other, and a measuring rod 55 is arranged at the intersection point of the vertical limiting rod 53 and the horizontal limiting rod 54 in a sliding mode. The vertical limiting rod 53 and the horizontal limiting rod 54 are respectively provided with a through groove, and the measuring rod 55 simultaneously penetrates through the through grooves of the vertical limiting rod 53 and the horizontal limiting rod 54. One end of the measuring rod 55 is fixedly connected with a guide seat 56. The measuring rod 55 is fixedly connected to the middle part of the guide holder 56. The guide plate 52 is provided with two equidistant guide grooves, and two cylinders of the guide seat 56 are respectively inserted into one guide groove, and the shape of the guide groove of the guide plate 52 is obtained by enlarging the contour of the curved surface to be measured at equal intervals. The spacing between the two cylindrical axes of the shoe 56 is equal to the spacing between the two guide slot centerlines. The other end of the measuring rod 55 is provided with a probe 513 for measurement, and one side of the probe 513 is provided with a marker 515 parallel to the probe 513. When the guide seat 56 moves along the guide groove, the probe 513 is driven to rotate through the measuring rod 55, so that the probe 513 is always kept perpendicular to the tangent plane of the curved surface to be measured, and the probe 513 is convenient to detect the machining precision of the curved surface to be measured. The marker 515 is used to automatically mark on the convex curved surface, facilitating later correction.
A plurality of plug-in columns 512 are fixedly arranged on one side, far away from the crankshaft 7 to be tested, of the mounting frame 51, and the guide plates 52 are fixedly plugged with the plug-in columns 512. The peg 512 is used for mounting and positioning of the guide plate 52. A set of latch assemblies 58 are fixedly mounted at each end of the mounting frame 51. The catch assembly 58 is used to fix the position of the guide plate 52 against movement.
Each set of latch assemblies 58 includes: the rotary base 581 is fixedly connected with the outer wall of the mounting frame 51, the baffle 582 is rotatably mounted on the rotary base 581, and the baffle 582 penetrates through the square hole of the mounting frame 51 to be in contact with the guide plate 52. After the guide plate 52 is installed, the flap 582 is rotated against the guide plate 52 so that the guide plate 52 cannot move.
The measuring rod 55 penetrates through the through grooves of the vertical limiting rod 53 and the horizontal limiting rod 54 at the same time. The ends of the vertical and horizontal stop bars 53, 54 are each fixedly mounted with a slide assembly 57. The mounting frame 51 is provided with a chute adapted to the linear sliding of the sliding assembly 57. The slide assembly 57 may be provided as various assemblies for reducing friction between the stop bar and the mounting frame 51.
Each slide assembly 57 includes: and a sliding seat 571 fixedly connected with the end of the limiting rod, wherein the sliding seat 571 is rotatably provided with a roller 572. The roller 572 is used to reduce friction between the stop lever and the mounting frame 51.
The other end of the measuring rod 55 is fixedly provided with a mounting plate 59, the mounting plate 59 is provided with a mounting shell 510, a dial indicator 511 is clamped between the mounting plate 59 and the mounting shell 510, the dial indicator 511 is provided with a telescopic probe 513, a marker 515 is fixedly connected with a sliding seat 514, a sliding rod of the sliding seat 514 is in sliding connection with the measuring rod 55, the sliding seat 514 is rotationally connected with an adjusting screw 516, and the adjusting screw 516 is in threaded connection with the measuring rod 55. The retractable probe 513 of the dial indicator 511 is used for detecting whether the machining precision of the curved surface to be measured is within an error range. When the curved protrusion exceeding the error lifts up the retractable probe 513, the marker 515 is attached to the curved protrusion exceeding the error to leave a mark. One end of the adjusting screw 516, which is far away from the probe 513, is provided with a hexagonal nut, and the hexagonal nut is screwed by using a wrench, so that the sliding seat 514 can be driven to linearly move along the sliding rod of the adjusting screw, and the mounting position of the marking pen 515 is adjusted, so that the adjusting screw is suitable for different error marking requirements of curved surfaces. The adjustment marker 51 is attached to the probe 513 as much as possible so that the automatic marking point of the adjustment marker 51 is as close to the disqualified place of the curved surface mechanism as possible. The mounting plate 59 is fixedly connected with the mounting shell 510 through bolts, through holes for the adapting bolts are formed in the mounting shell 510, and threaded holes for the adapting bolts are formed in the mounting plate 59. The dial indicator 511 can be removed for replacement by unscrewing the bolts.
Working principle:
The high-precision machined part precision detection device is used, when in use, a clamping mechanism 6 is used for clamping a crankshaft 7 to be detected, then an X-axis moving mechanism 2 is used for driving a precision detection mechanism 5 to be close to the crankshaft 7 to be detected, wherein a driving motor 25 is used for driving an X-axis screw 23 to rotate, so that the X-axis screw 23 drives a moving table 22 to move along a linear rail 21, the precision detection mechanism 5 is close to the crankshaft 7 to be detected, then a probe 513 of a dial 511 is attached to a curved surface to be detected of the crankshaft 7 to be detected through adjustment of a Y-axis adjusting mechanism 3 and a Z-axis adjusting mechanism 4 and matched with the X-axis moving mechanism 2, a first rotary disc 33 is rotated by hand to drive a Y-axis screw 32 to rotate, a rotating Y-axis screw 32 is used for driving a Z-axis seat 41 to linearly slide along a Y-axis seat 31 for adjusting the position of the precision detection mechanism 5 on the Y-axis, a second rotary disc 43 is rotated by hand to drive a worm 46 to rotate, the rotating worm 46 drives the Z-axis screw 44 to rotate through the worm wheel 45, so that the lifting block 42 moves in the Z-axis direction and is used for adjusting the position of the precision detection mechanism 5 in the Z-axis, after the probe 513 of the dial indicator 511 is attached to the curved surface to be detected of the crankshaft 7 to be detected, the measuring rod 55 is pushed by hand to move, so that the probe 513 of the dial indicator 511 is attached to the curved surface to be detected of the crankshaft 7 to be detected to move to measure the machining precision error of the curved surface, the probe 513 is driven to rotate through the measuring rod 55 when the guide seat 56 moves along the guide groove, the probe 513 is always kept perpendicular to the tangential plane of the curved surface to be detected, the precision detection of the curved surface to be detected by the dial indicator 511 is facilitated, after the curved surface bulge exceeding the error jacks up the telescopic probe 513, the marking pen 515 is contacted with the curved surface bulge exceeding the error to leave marks, and the unqualified curved surface is convenient to correct the later stage;
when a new curved surface is measured, the guide plate 52 arranged on the installation frame 51 is taken out, a new guide plate 52 is arranged, when the new guide plate 52 is arranged, the through holes of the guide plate 52 are firstly inserted into the inserting columns 512, simultaneously, two cylinders of the guide seat 56 are respectively inserted into the guide grooves of one guide plate 52, and then the baffle 582 is rotated to enable the guide plate 52 to abut against the guide plate 52, so that the guide plate 52 cannot move;
When the dial indicator 511 is replaced, the dial indicator 511 can be removed by unscrewing the bolts mounted on the mounting case 510 to separate the mounting plate 59 from the mounting case 510;
When the mounting position of the marking pen 515 is adjusted, a wrench is used for screwing a hexagon nut, and the sliding seat 514 is driven to linearly move along the sliding rod of the wrench, so that the mounting position of the marking pen 515 is adjusted, and the wrench is suitable for different error marking requirements of curved surfaces.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications and the like made on the basis of the present invention to solve the substantially same technical problems and achieve the substantially same technical effects are included in the scope of the present invention.
Claims (10)
1. The utility model provides a high-precision machining part precision detection device, includes bottom plate (1), its characterized in that: the device comprises a base plate (1), wherein a clamping mechanism (6) is arranged at one end of the base plate (1), the clamping mechanism (6) is used for clamping a crankshaft (7) to be tested, an X-axis moving mechanism (2) is connected to the upper surface of the base plate (1), a Y-axis adjusting mechanism (3) is fixedly connected to a moving part of the X-axis moving mechanism (2), a Z-axis adjusting mechanism (4) is connected to a screw thread of the Y-axis adjusting mechanism (3), and a precision detecting mechanism (5) is fixedly connected to a moving part of the Z-axis adjusting mechanism (4);
The precision detection mechanism (5) comprises: the device comprises a mounting frame (51) fixedly connected with a moving part of a Z-axis adjusting mechanism (4), wherein one side of the mounting frame (51) far away from a crankshaft (7) to be measured is spliced and mounted with a guide plate (52), one side of the mounting frame (51) close to the crankshaft (7) to be measured is slidably provided with a vertical limiting rod (53) and a horizontal limiting rod (54), the vertical limiting rod (53) and the horizontal limiting rod (54) are mutually perpendicular, a measuring rod (55) is slidably mounted at the intersection point of the vertical limiting rod (53) and the horizontal limiting rod (54), one end of the measuring rod (55) is fixedly connected with a guide seat (56), the guide plate (52) is provided with two equidistant guide grooves, two cylinders of the guide seat (56) are respectively inserted into one guide groove, the guide groove shape of the guide plate (52) is obtained by enlarging the contour equidistance of the curve to be measured, the other end of the measuring rod (55) is provided with a probe (513), and one side of the probe (513) is provided with a mark (515) parallel to the probe (513).
2. The high-precision machined part precision detection device according to claim 1, wherein: one side of the mounting frame (51) far away from the crankshaft (7) to be tested is fixedly provided with a plurality of plug-in columns (512), and the guide plates (52) are fixedly plugged with the plug-in columns (512).
3. The high-precision machined part precision detection device according to claim 2, wherein: two ends of the mounting frame (51) are respectively fixedly provided with a group of lock buckle components (58);
Each set of the latch assemblies (58) includes: the rotary seat (581) is fixedly connected with the outer wall of the mounting frame (51), the baffle (582) is rotatably mounted on the rotary seat (581), and the baffle (582) penetrates through a square hole of the mounting frame (51) to be in contact with the guide plate (52).
4. The high-precision machined part precision detection device according to claim 1, wherein: the measuring rod (55) penetrates through the through grooves of the vertical limiting rod (53) and the horizontal limiting rod (54) at the same time.
5. The high-precision machined part precision detection device according to claim 1, wherein: the ends of the vertical limiting rod (53) and the horizontal limiting rod (54) are fixedly provided with a sliding component (57);
Each of the slide assemblies (57) includes: and the sliding seat (571) is fixedly connected with the end part of the limiting rod, and the sliding seat (571) is rotatably provided with a roller (572).
6. The high-precision machined part precision detection device according to claim 1, wherein: the utility model discloses a measuring rod, including measuring rod (55), mounting panel (59) and mounting panel (510) are fixed firmly, clamp between mounting panel (59) and mounting panel (510) percentage table (511), and percentage table (511) are provided with telescopic probe (513), marker (515) fixedly connected with sliding seat (514), and the slide bar and the measuring rod (55) sliding connection of sliding seat (514), sliding seat (514) rotation is connected with adjusting screw (516), and adjusting screw (516) and measuring rod (55) threaded connection.
7. The high-precision machined part precision detection device according to claim 1, wherein: the X-axis moving mechanism (2) comprises: two parallel and fixed mounting are on line rail (21) on bottom plate (1), two line rail (21) fixed mounting have mobile station (22) jointly, the other end fixed mounting of bottom plate (1) has mounting bracket (24), driving motor (25) are installed to mounting bracket (24), the coaxial fixedly connected with X axle screw rod (23) of output of driving motor (25), and X axle screw rod (23) and mobile station (22) threaded connection.
8. The high-precision machined part precision detection device according to claim 7, wherein: the Y-axis adjusting mechanism (3) comprises: the Y-axis seat (31) is fixedly connected with the mobile station (22), the Y-axis seat (31) is rotatably provided with a Y-axis screw rod (32), and one end of the Y-axis screw rod (32) is coaxially and fixedly connected with a first rotary table (33).
9. The high-precision machined part precision detection device according to claim 8, wherein: the Z-axis adjusting mechanism (4) comprises: z axle bed (41) with Y axle screw rod (32) threaded connection, vertical slidable mounting of Z axle bed (41) has elevating block (42), worm (46) are installed in the mid-rotation of Z axle bed (41), the inner chamber rotation of Z axle bed (41) is installed Z axle screw rod (44), and Z axle screw rod (44) and elevating block (42) threaded connection, the coaxial fixed cover of Z axle screw rod (44) is equipped with worm wheel (45), and worm wheel (45) and worm (46) meshing, worm (46) wherein coaxial fixedly connected with second carousel (43) of one end.
10. The high-precision machined part precision detection device according to claim 1, wherein: the clamping mechanism (6) comprises: the clamping seat (61) is fixedly arranged at one end of the bottom plate (1), the clamping seat (61) is provided with a clamping disc (62), and the clamping disc (62) clamps the crankshaft (7) to be tested.
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| KR100848743B1 (en) * | 2007-05-28 | 2008-07-25 | 두산엔진주식회사 | Crankshaft deflection measurement device |
| CN109974557A (en) * | 2019-04-01 | 2019-07-05 | 泰州润骐防务科技有限公司 | Rotatable general measuring instrument and measurement method |
| CN111307104A (en) * | 2020-01-09 | 2020-06-19 | 台州学院 | Eccentric shaft detection device and detection method |
| CN111322930A (en) * | 2020-04-30 | 2020-06-23 | 桂林福达曲轴有限公司 | Detection tool and method for measuring crankshaft main journal runout |
| CN216620880U (en) * | 2021-11-05 | 2022-05-27 | 广州万震达动力科技有限公司 | Bounce detection device of engine crankshaft connecting rod journal |
| CN117404978A (en) * | 2023-11-09 | 2024-01-16 | 中船动力镇江有限公司 | Detection equipment for detecting radial runout of crankshaft journal of diesel engine |
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2024
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| KR100848743B1 (en) * | 2007-05-28 | 2008-07-25 | 두산엔진주식회사 | Crankshaft deflection measurement device |
| CN109974557A (en) * | 2019-04-01 | 2019-07-05 | 泰州润骐防务科技有限公司 | Rotatable general measuring instrument and measurement method |
| CN111307104A (en) * | 2020-01-09 | 2020-06-19 | 台州学院 | Eccentric shaft detection device and detection method |
| CN111322930A (en) * | 2020-04-30 | 2020-06-23 | 桂林福达曲轴有限公司 | Detection tool and method for measuring crankshaft main journal runout |
| CN216620880U (en) * | 2021-11-05 | 2022-05-27 | 广州万震达动力科技有限公司 | Bounce detection device of engine crankshaft connecting rod journal |
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