CN113074617A - Flatness and roughness detection recorder and detection analysis method - Google Patents
Flatness and roughness detection recorder and detection analysis method Download PDFInfo
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- CN113074617A CN113074617A CN202110478070.8A CN202110478070A CN113074617A CN 113074617 A CN113074617 A CN 113074617A CN 202110478070 A CN202110478070 A CN 202110478070A CN 113074617 A CN113074617 A CN 113074617A
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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
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
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Abstract
The invention relates to a flatness and roughness detection recorder and a detection analysis method, comprising an installation rack, a reference surface alignment device, a plane measurement recording mechanism and a field recording device; the mounting frame is divided into a reference surface mounting frame and a connecting frame which are rotatably connected, and the reference surface aligning device is mounted on the reference surface mounting frame and used for aligning and mounting the whole body and the reference surface; the plane measurement recording mechanism and the field recording device are arranged below the connecting frame and are used for detecting a plane to be detected and recording the flatness and roughness conditions; the plane measurement recording mechanism is divided into a measuring device and a recording device, the measuring device and the recording device are matched with the flatness of the side surface of the workpiece to be detected, and the detection condition is recorded and stored in real time, so that the filing, examination and research of detection data are facilitated; the on-site recording device can carry out on-site recording on the whole condition of the plane to be detected, brings convenience to operators to quickly identify the general positions of the bulges, the sunken points and the bulges and the sunken points, and greatly improves the efficiency of repairing the operators.
Description
Technical Field
The invention relates to the technical field of flatness and roughness detection, in particular to a flatness and roughness detection recorder and a detection analysis method.
Background
The flatness refers to the deviation of the macroscopic back-convex height of the substrate relative to an ideal plane; the flatness is an index for limiting the fluctuation of the actual plane to the ideal plane, and is used for controlling the shape error of the measured actual plane;
the surface roughness refers to the unevenness of small distance and tiny peak valley of the processed surface, the distance (wave distance) between two peaks or two valleys is very small (below 1 mm), and the surface roughness belongs to the micro geometric shape error; the smaller the surface roughness, the smoother the surface.
Generally, the matching of two or more precise parts has certain requirements on flatness and roughness, but when detecting the flatness or the roughness of a product, the detection cannot be carried out simultaneously, and the real-time recording cannot be carried out while the detection is carried out, so that an operator needs to spend a large amount of time when further checking and repairing, and even needs to detect again, and the working efficiency is low.
Therefore, it is urgent to provide a detection and recording apparatus capable of simultaneously detecting and recording the flatness and the roughness in real time.
Disclosure of Invention
In order to solve the problems, the invention provides a flatness and roughness detection recorder and a detection analysis method, wherein a plane measurement recording mechanism is divided into a measuring device and a recording device which are matched, so that the flatness and the roughness of a plane to be detected can be clearly detected, the detection condition can be recorded and stored in real time, the filing and the checking research of detection data are facilitated, the field recording device can be used for carrying out field recording on the whole condition of the plane to be detected, operators can conveniently and quickly identify the general positions of bulges, sunken points and the bulges and the sunken points, the repair efficiency of workers is greatly improved, and the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a flatness and roughness measurement record appearance which characterized in that includes: mounting bracket, reference surface are looked for device, plane measurement record mechanism, the plane that awaits measuring, the mounting bracket includes: the reference surface mounting frame is fixed on an adjacent reference surface or an external reference surface of the plane to be measured and is rotatably connected with the connecting frame; the reference surface aligning device includes: the device comprises a parallel alignment device and a vertical alignment device, wherein the parallel alignment device is fixed on the side surface of a datum plane mounting frame, and the vertical alignment device is mounted at the top of the datum plane mounting frame; the planar measurement recording mechanism is installed below the connecting frame and comprises: the measuring device is in movable contact with a plane to be measured, and the recording device is installed between the connecting frame and the measuring device.
Preferably, the parallel alignment device includes: the device comprises a rotary telescopic cylinder and a parallel test plate, wherein the rotary telescopic cylinder is fixedly arranged on the side surface of a reference surface mounting frame, the telescopic end of the rotary telescopic cylinder is provided with the parallel test plate, and the contact part of the parallel test plate is uniformly provided with a plurality of pressure sensors;
the vertical alignment device comprises: driving motor, vertical test board, driving motor installs and looks for accurate gear fixed connection through fixed axle output shaft and parallel in reference surface mount frame top and output, the meshing of parallel accurate gear bottom has the propulsion rack, it installs in reference surface mount frame top to impel rack slidable, vertical test board is fixed in the one end that impels the rack and be close to the mounting bracket stationary plane, the parallel is looked for two at least and evenly distributed of accurate gear quantity on the output, guarantees that vertical test board propulsion is steady, vertical test board contact segment evenly installs a plurality of forced induction wares.
Further, the measuring device includes: fixed mounting axle, bearing, measurement ball, fixed mounting axle both ends are fixed mutually with the link, the last even rotation of fixed mounting axle installs the several bearing, bearing one side is provided with the torsion spring who connects between fixed mounting axle and bearing, the bearing is provided with the incomplete teeth of a cogwheel that meshes mutually with transmission change gear, it is connected with the measurement club with the plane movable contact that awaits measuring and rotate, measure the club and connect between bearing and measurement ball, and all measurement club length are linear variation in proper order and arrange the setting, and the measurement ball that the longest measurement club is connected contacts with the one point that the plane that awaits measuring is the farthest for bearing vertical distance, and the measurement ball that the shortest measurement club is connected contacts with the one point that the plane that awaits measuring is the nearest for bearing vertical distance.
The recording apparatus includes: the recording motor, the transmission recording rotating shaft and the recording telescopic pen end; the number of the recording motors is two, the recording motors are fixedly connected with the connecting frame, the output ends of the recording motors are fixedly connected with the transmission recording rotating shafts, error recording drawings are installed on the two transmission recording rotating shafts, and the fixed ends of the recording telescopic pen ends are fixedly connected with the bearings and form a certain angle with the measuring ball rod; the recording end of the recording telescopic pen end is in contact with the error recording drawing, and the recording end is provided with an elastic telescopic mechanism and is used for being in real-time contact with the error recording drawing to offset the error when the recording telescopic pen end makes an arc track; the height difference relative to the error recording drawing exists between the recording telescopic pen ends, and images recorded on the error recording drawing are uniformly distributed up and down, wherein the distances between the two edge recording telescopic pen ends and the upper and lower edges of the error recording drawing ensure that the recording telescopic pen ends can still record when the error reaches an error extreme value; and the image information corresponding to the record of the Y axis on the error recording drawing is an amplified path of the measuring ball at each specific position in the rolling process relative to the flatness and roughness vertical detection, and the image information corresponding to the record of the X axis is an amplified path of the measuring ball at each specific position in the rolling process relative to the flatness and roughness horizontal detection.
Furthermore, an incomplete gear which avoids a measuring ball rod and records the telescopic pen end is fixedly arranged on the outer circumferential surface of the bearing, and a field recording device is meshed with the incomplete gear and used for carrying out field real-time recording when the measuring ball detects uneven points on a plane to be measured.
Further, the field recording device includes: a transmission ratio gear, コ shaped flag assembly; the transmission change gear is rotatably connected with the connecting frame and meshed with the bearing, a transmission rotating rod is fixed on the axis of the transmission change gear, and the transmission rotating rod is arranged on the コ -shaped marking component in a sliding mode.
Preferably, the コ -shaped marker assembly further comprises: supporting pole, marking the telescopic pen end; the initial position of the supporting support rod is arranged in parallel with the mounting rack fixing surface, the supporting support rod is provided with a T-shaped slide rail matched with a T-shaped slide block of the transmission rotating rod, a buffer spring is arranged between the upper part and the lower part of the transmission rotating rod and the supporting support rod, the upper end and the lower end of the supporting support rod are provided with marking telescopic pen ends, the connecting part of the marking telescopic pen ends and the supporting support rod is provided with an elastic telescopic device, and the marking surface of a pen point facing the mounting rack fixing surface is arranged; the distance between the pen tip end of the telescopic marking pen end and the marking surface is not more than 2 mm.
Preferably, the connecting frame is provided with a top plate which is in contact with the error recording drawing and is used for sharing and recording the pressure of the telescopic pen end on the error recording drawing.
Further, be provided with the fixed flexible sucking disc of several on the reference surface mounting bracket fixed surface, fixed flexible sucking disc is equipped with the flexible adjusting nut of axial for keep fixed and carry out the parallel adjustment with adjacent reference surface or external reference surface.
Further, the reference surface mounting bracket includes: installation slide rail, link block, drive lead screw motor is fixed in the one end of installation slide rail, and the output rigid coupling has drive lead screw, drive lead screw and link block screw-thread fit and sliding connection, link block quantity at least one to cooperate with the installation slide rail, link block rotates with the installation head rotation of link top setting and is connected, fixed mounting has the rotation motor to be used for driving the link to rotate on the link block.
A detection and analysis method of a flatness and roughness detection recorder is characterized in that,
step one, field detection:
the flatness and roughness detection recorder is firstly fixed on the adjacent surface of a plane to be detected through a fixed telescopic sucker, a rotary telescopic cylinder in a parallel alignment device is used for controlling a parallel test board to be attached to the plane to be detected to detect whether a mounting frame is parallel to the plane to be detected or not and finely adjusting the fixed telescopic sucker up and down; after the parallel adjustment is finished, a driving motor in the vertical alignment device drives the vertical test board to be attached to the adjacent surface of the plane to be measured forward through a gear rack, the fixed telescopic sucker is adjusted forwards and backwards, and after the reference alignment of the adjacent surface of the plane to be measured is finished, error measurement is carried out on the plane to be measured;
before detection, the parallel test board is rotationally contracted through a rotary telescopic cylinder, then the connecting frame is controlled to rotate through a rotating motor until a measuring ball is contacted with a plane to be detected, at the moment, a driving screw motor drives a driving screw to drive a connecting sliding block to push the connecting frame to slide in an installation sliding rail of the mounting frame at a constant speed, recording motors are simultaneously started, the measuring ball rolls along the plane to be detected, when a convex/concave error occurs, the measuring ball drives a measuring ball rod to rotate, a recording telescopic pen end is driven by a bearing to record an error recording drawing, and meanwhile, an output end of the recording motor drives a transmission recording rotating shaft to rotate so as to enable the error recording drawing to translate; when the bearing rotates, the transmission speed-changing gear is driven to rotate, and the transmission rotating rod is driven to rotate, so that the end of the marking telescopic pen is lapped on a measured piece and is scratched to mark;
secondly, graph analysis:
firstly, analyzing graphs on an error recording drawing, dividing the convex and concave errors into an upper peak graph and a lower peak graph when the convex and concave errors are subjected to graph depiction, controlling the width on the error recording drawing by adjusting the translation speed of the error recording drawing, and correspondingly combining the upper peak graph and the lower peak graph and determining the error conditions on corresponding time and positions by connecting the traveling speed of a sliding block and analyzing the error conditions;
regarding the error amplification calculation method, when a convex/concave error occurs, the total length of the telescopic pen end is set and recorded as L, the length of the ball rod is measured as L, the distance between the highest/low point of the peak value obtained through recording of an error recording drawing and the horizontal line is S1, the amplification factor is L/L, the highest/low point of the actual error peak value is calculated as S1L/L, the translation speed of the error recording drawing is set as v, the width passing through a convex/concave error peak diagram is S2, the traveling speed of the connecting slide block is set as v1 at the moment, and the amplification factor is v/v1, the width of the actual convex/concave point can be calculated as S2 v 1/v;
the peak value highest/low point is the highest/low point of the projection/recess, namely the central point, according to the projection/recess change trend recorded on the error recording drawing, so that the specific position of the central point of the projection/recess corresponding to the plane to be measured can be judged;
in addition, the planeness of the plane to be measured can be obtained by integrally recording the deviation of each curve on the error recording drawing relative to the reference line;
meanwhile, according to the record of the field recording device on the test piece, the transverse line recorded on the lower marking surface corresponds to the convex point on the cross section of the plane to be tested, and conversely, the transverse line recorded on the upper marking surface corresponds to the concave point on the cross section of the plane to be tested;
the specific position of the convex/concave point on the corresponding plane to be tested can be quickly found out according to the graphic record on the error recording drawing and the record of the field recording device on the test piece;
therefore, the detection and analysis of the flatness and roughness detection recorder are completed.
Due to the adoption of the technical scheme, the invention has the following advantages:
(1) according to the invention, a plane measurement recording mechanism is adopted, wherein a measuring device and a recording device are matched with each other, so that the measurement and amplification of plane flatness and roughness are met, and the detection result is recorded in real time; in the actual operation and construction process, the plane can be checked and repaired and data can be filed clearly in time, and the positions of the convex/concave points can be judged according to an error drawing, so that the calculation work of a measurement engineer is greatly facilitated;
(2) the parallel alignment device and the vertical alignment device are used for aligning the fixed installation of the installation rack, wherein the parallel alignment device is used for comparing and adjusting the parallelism of the installation slide rail with the installation reference surface, and the vertical alignment device is used for comparing and adjusting the verticality of the installation slide rail with the installation reference surface, so that the installation precision of the installation rack and the installation slide rail is ensured, and the experiment error is further reduced;
(3) according to the invention, by using the field recording device, the field real-time marking can be realized when the detection error is carried out on the detection element, so that the operation personnel can conveniently and rapidly identify the convex points, the concave points and the general positions of the convex points and the concave points, and the repair efficiency of the operation personnel is greatly improved;
(4) the invention realizes the sensitive and precise recording action of the コ -shaped marking component by arranging the distinct gear ratio between the transmission speed-changing gear on the field recording device and the incomplete gear on the bearing, and ensures the precise requirement of the field recording device.
Drawings
FIG. 1 is a three-dimensional schematic diagram of the present invention for field inspection.
FIG. 2 is a schematic top view of the field inspection apparatus of the present invention.
Fig. 3 is an assembly schematic of the present invention.
Fig. 4 is a front projection assembly view of the present invention.
FIG. 5 is a schematic view of the assembly of the mounting bracket and the datum plane alignment device of the present invention.
FIG. 6 is a schematic view of the assembly of the mounting bracket, the datum level alignment device and the field recording device of the present invention.
Fig. 7 is a schematic view of the assembly of the plane measuring and recording mechanism and the on-site recording device of the present invention.
Fig. 8 is a schematic view of the assembly of the individual components of the field recording unit of the present invention.
FIG. 9 is an enlarged view taken at A of FIG. 7 according to the present invention.
Fig. 10 is an enlarged view of B in fig. 5.
FIG. 11 is a three-dimensional diagram of a site survey in accordance with another embodiment of the present invention.
Fig. 12 is a partially recorded image on an error recording sheet according to the present invention.
The reference numbers: 1-a mounting frame; 2-datum plane alignment device; 3-a planar measurement recording mechanism; 4-a field recording device; 5-a plane to be measured; 11-a reference plane mounting frame; 12-a connecting frame; 21-a parallel alignment device; 22-vertical alignment means; 31-a measuring device; 32-a recording device; 111-mounting a slide rail; 112-connecting the slider; 113-a rotating motor; 114-a telescopic sucker; 115-drive lead screw motor; 116-a drive screw; 121-top plate; 122-mating mounting head; 211-rotating telescopic cylinder; 212-parallel test plate; 221-a drive motor; 222-vertical test plate; 223-parallel alignment gear; 224-a push rack; 311-fixed mounting shaft; 312-a bearing; 313-measuring the club; 314-a measuring ball; 315-torsion spring; 321-a recording motor; 322-transfer record spindle; 323-recording the telescopic pen tip; 324-error recording drawings; 401-transmission change gear; marker components in the shapes of 402- コ; 403-driving rotating rod; 4021-supporting struts; 4022-marking the retractable pen tip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. In the embodiments of the present invention, all other embodiments obtained by workers skilled in the art without any inventive work are within the scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 10, the present embodiment is used for detecting the flatness and the roughness of one side surface of a groove with a larger width formed on a workpiece, and specifically includes: the utility model provides a flatness and roughness measurement record appearance, includes that mounting bracket 1, reference surface find device 2, the plane 5 that awaits measuring, this embodiment regards as the installation reference surface with the outside adjacent surface of the plane 5 that awaits measuring, and mounting bracket 1 includes: the reference surface mounting frame 11 and the connecting frame 12 are fixed on the mounting reference surface, and the reference surface mounting frame 11 is rotatably connected with the connecting frame 12; the reference surface aligning device 2 includes: the device comprises parallel alignment devices 21 and vertical alignment devices 22, wherein the number of the parallel alignment devices 21 is two and the parallel alignment devices are fixed on two side surfaces of a reference surface mounting rack 11, and the vertical alignment devices 22 are arranged on the top of the reference surface mounting rack 11; the plane measurement recording mechanism 3 is installed below the connecting frame 12, and includes: the measuring device 31 and the recording device 32 are arranged, the measuring device 31 is movably contacted with the plane to be measured 5, and the recording device 32 is arranged between the connecting frame 12 and the measuring device 31;
the installation of the reference surface mounting frame 11 in the device is calibrated and corrected through the parallel alignment device 21 and the vertical alignment device 22, and errors are detected and recorded in real time through the measuring device 31 and the recording device 32.
In a preferred embodiment of this embodiment, as shown in fig. 3, 4, 5 and 10, the parallel alignment device 21 includes: the device comprises a rotary telescopic cylinder 211 and a parallel test plate 212, wherein the rotary telescopic cylinder 211 is fixedly arranged on the side surface of a reference surface mounting frame 11, the telescopic end of the rotary telescopic cylinder is provided with the parallel test plate 212, and the contact part of the parallel test plate 212 is uniformly provided with a plurality of pressure sensors;
in order to quickly, firmly and accurately adjust the relative position of the reference surface mounting rack 11 on the reference surface, five fixed telescopic suckers 114 are arranged on the fixed surface of the reference surface mounting rack 11, and the fixed telescopic suckers 114 are provided with axial telescopic adjusting nuts for keeping fixed with the adjacent reference surface and performing parallel adjustment with the adjacent reference surface;
the vertical alignment device 22 includes: the test device comprises a driving motor 221 and vertical test boards 222, wherein the driving motor 221 is installed at the top of a reference surface mounting frame 11, an output end of the driving motor is fixedly connected with a parallel alignment gear 223 through a fixed shaft output shaft, the bottom of the parallel alignment gear 223 is meshed with a pushing rack 224, the pushing rack 224 is installed at the top of the reference surface mounting frame 11 in a sliding mode, the vertical test boards 222 are fixed at one end, close to a fixed surface of the mounting frame 1, of the pushing rack 224, the number of the parallel alignment gears 223 is three, the parallel alignment gears are evenly distributed at the output end, the vertical test boards 222 are guaranteed to be pushed stably, and a pressure;
when the device works, firstly, the parallel alignment is carried out, the parallel test board 212 is controlled and driven to the lower part of the plane 5 to be tested through the rotary telescopic cylinder 211 and is attached to the plane 5 to be tested, and the installation and the adjustment of the parallelism are carried out through the induction of the pressure sensor; after the plane alignment, the vertical alignment is continuously performed, the rack structure is driven by the driving motor 221 to push the vertical test board 222 to attach to the mounting reference surface, and the multiple pressure sensors mounted on the contact portion of the vertical test board 222 perform sensing adjustment.
In the embodiment of this example, as shown in fig. 2 to 5, fig. 7, and fig. 9, the measuring device 31 includes: the measuring ball 314 is movably contacted with the plane 5 to be measured and is rotatably connected with a measuring ball rod 313, the measuring ball rod 313 is connected between the bearing 312 and the measuring ball 314, the lengths of all the measuring ball rods 313 are arranged in a linear change sequence, the measuring ball 314 connected with the longest measuring ball rod 313 is contacted with the point of the plane 5 to be measured, which is farthest from the vertical distance of the bearing 312, and the measuring ball 314 connected with the shortest measuring ball rod 313 is contacted with the point of the plane 5 to be measured, which is closest to the vertical distance of the bearing 312;
the recording device 32 includes: a recording motor 321, a transmission recording rotating shaft 322 and a recording telescopic pen end 323; the number of the recording motors 321 is two, the recording motors are fixedly connected with the connecting frame 12, the output ends of the recording motors 321 are fixedly connected with the transmission recording rotating shafts 322, the error recording drawings 324 are mounted on the two transmission recording rotating shafts 322, the recording telescopic pen ends 323 are integrally L-shaped, the fixed ends of the recording telescopic pen ends 323 are fixedly connected with the bearings 312, the recording ends of the recording telescopic pen ends 323 are parallel to the measuring ball rod 313, and the fixed ends and the measuring ball rod 313 form a certain 90-degree angle; the recording end of the recording telescopic pen end 323 is in contact with the error recording drawing 324, and the recording end is provided with an elastic telescopic mechanism and is used for being in real-time contact with the error recording drawing 324 and offsetting an error when the recording telescopic pen end 323 makes an arc track; the height difference between the recording telescopic pen ends 323 relative to the error recording drawing 324 exists, and the images recorded on the error recording drawing 324 are distributed up and down uniformly, wherein the distances between the two edges of the recording telescopic pen ends 323 and the upper and lower edges of the error recording drawing 324 ensure that the recording telescopic pen ends 323 can still record when the error reaches an error extreme value;
specifically, the connecting frame 12 is controlled to rotate by the rotating motor 113 until the measuring ball 314 is in contact with the plane 5 to be measured, at this time, the driving screw 116 is driven by the driving screw motor 115 to drive the connecting slider 112 to push the connecting frame 12, the recording motor 321 is started simultaneously, the measuring ball 314 rolls along the plane 5 to be measured, and when a convex/concave error occurs, the measuring ball 314 drives the measuring ball rod 313 to rotate; the recording telescopic pen end 323 is driven by the bearing 312 to record on the error recording drawing 324, and the output end of the recording motor 321 drives the transmission recording rotating shaft 322 to rotate so as to enable the error recording drawing 324 to move horizontally; when the bearing 312 rotates, the transmission speed-changing gear 401 is driven to rotate, and the transmission rotating rod 403 is driven to rotate, so that the marking telescopic pen tip 4022 is lapped on a measured piece and is scratched to mark;
in order to facilitate measurement and analysis of the image tracks on the error recording drawing 324, the image information corresponding to the recording of the Y axis on the error recording drawing 324 is the amplified path of the measurement ball 314 at each specific position in the rolling process, which is detected vertically relative to the flatness and roughness of the plane 5 to be measured, and the image information corresponding to the recording of the X axis is the amplified path of the measurement ball 314 at each specific position in the rolling process, which is detected horizontally relative to the flatness and roughness of the plane 5 to be measured.
In this embodiment, as shown in fig. 3, 4, 7, and 8, in order to perform real-time recording on a workpiece on site, incomplete gear teeth avoiding the measuring ball rod 313 and the recording telescopic pen tip 323 are fixedly disposed on the outer circumferential surface of the bearing 312, and a field recording device 4 is engaged with the incomplete gear teeth for performing real-time recording on the measuring ball 314 when an uneven point is detected on the plane 5 to be measured;
specifically, the field recording device 4 includes: a drive ratio gear 401, コ shaped flag assembly 402; the transmission change gear 401 is rotatably connected through a connecting vertical plate extending out of the connecting frame 12 and meshed with the bearing 312, a transmission rotating rod 403 is fixed at the axis of the transmission change gear 401, and the transmission rotating rod 403 is arranged on the コ -shaped marking component 402 in a sliding mode.
In one embodiment of this embodiment, as shown in fig. 8, the コ -shaped marking element 402 further comprises: a supporting strut 4021 and a marking telescopic pen tip 4022; the initial position of the supporting strut 4021 is arranged in parallel with the fixed surface of the mounting rack 1, and the supporting strut 4021 is provided with a T-shaped sliding rail matched with the T-shaped sliding block of the transmission rotating rod 403, so that the コ -shaped marking assembly 402 can rotate along with the transmission rotating rod 403; a buffer spring is arranged between the upper part and the lower part of the transmission rotating rod 403 and the supporting strut 4021, and can buffer the vibration generated during impact when the marking telescopic pen tip 4022 contacts the test piece; the upper end and the lower end of the supporting strut 4021 are provided with a marking telescopic pen end 4022, the connecting part of the marking telescopic pen end 4022 and the supporting strut 4021 is provided with an elastic telescopic device, and the pen point faces to the marking surface of the fixing surface of the mounting rack 1; the distance between the pen point end of the telescopic marking pen tip (4022) and the marking surface is not more than 2 mm;
to ensure that the コ -shaped marking element 402 is more sensitive and precise to motion during the detection of the measuring ball 314, the ratio of the number of teeth of the incomplete gear teeth on the bearing 312 to the number of teeth of the transmission ratio gear 401 is set to 5: 1, at the same time, because the distance between the pen point end of the marking telescopic pen tip 4022 and the marking surface is small enough, the sensitive and precise action of the コ -shaped marking assembly 402 is finally realized;
when an error is sensed, the marker telescopic pen tip 4022 on the コ -shaped marker component 402 can rotate and mark the relevant surface of the test piece, and the elastic telescopic device of the コ -shaped marker component 402 not only can meet the requirement of absorbing impact generated by collision between the support strut 4021 and the test piece during arc motion, but also can ensure that the marker telescopic pen tip 4022 is not damaged when the rotation amount is large.
In another embodiment, as shown in fig. 6, the connecting frame 12 is provided with a top plate 121 contacting with the error recording drawing 324, and the top plate 121 is used for sharing the pressure of the recording pen tip 323 on the error recording drawing 324.
In the embodiment of this embodiment, as can be seen from fig. 9, the reference surface mounting bracket 11 includes: the installation slide rail 111, the link block 112, drive lead screw motor 115 is fixed in the one end of installation slide rail 111, and the output rigid coupling has drive lead screw 116, drive lead screw 116 and link block 112 screw-thread fit and sliding connection, link block 112 quantity has two, and cooperate with installation slide rail 111, guarantee the stationarity in the slip process, link block 112 rotates with the cooperation installation head 122 that link block 12 top set up to be connected, fixed mounting has rotation motor 113 to be used for driving link block 12 to rotate on the link block 112, guarantee to measure ball 314 and the planar contact that awaits measuring.
Example two:
as shown in fig. 11, the present embodiment is used for detecting the flatness and the roughness of one side surface of a groove with a smaller width formed in a workpiece, and specifically includes: the telescopic marker tip 4022 in the コ -shaped marking assembly 402 is contacted with the same plane datum plane on two sides of the groove of the detection workpiece, and other structural principles are the same as those described above and are not described again.
The invention relates to a detection and analysis method of a flatness and roughness detection recorder, which comprises the following steps:
step one, field detection:
the flatness and roughness detecting recorder is firstly fixed on the adjacent surface (reference surface) of the plane 5 to be detected through the fixed telescopic sucker 114, controls the parallel test board 212 to be attached to the plane 5 to be detected through the rotary telescopic cylinder 211 in the parallel alignment device 21 so as to detect whether the mounting frame 11 is parallel to the plane 5 to be detected, and finely adjusts the fixed telescopic sucker 114 up and down; after the parallel adjustment is completed, the driving motor 221 in the vertical alignment device 22 drives the vertical test board 222 to attach to the reference surface of the plane 5 to be measured forward through the rack and pinion, and adjusts the fixed telescopic sucker 114 forward and backward, and after the reference alignment of the adjacent surface of the plane 5 to be measured is completed, the error measurement is performed on the plane 5 to be measured;
before detection, the parallel test board 212 is rotated and contracted through the rotary telescopic cylinder 211, then the connecting frame 12 is controlled to rotate through the rotating motor 113 until the measuring ball 314 is contacted with the plane 5 to be detected, at the moment, the driving screw 116 is driven through the driving screw motor 115 to drive the connecting slider 112 to push the connecting frame 12 to slide at a constant speed in the mounting slide rail 111 of the mounting frame 11, the recording motor 321 is started simultaneously, the measuring ball 314 rolls along the plane 5 to be detected, when a convex/concave error occurs, the measuring ball 314 drives the measuring ball rod 313 to rotate, and drives the recording telescopic pen end 323 to record on the error recording drawing 324 through the bearing 312, and meanwhile, the output end of the recording motor 321 drives the transmission recording rotating shaft 322 to rotate so as to enable the error recording drawing 324; when the bearing 312 rotates, the transmission speed-changing gear 401 is driven to rotate, and the transmission rotating rod 403 is driven to rotate, so that the marking telescopic pen tip 4022 is lapped on a measured piece and is scratched to mark;
secondly, graph analysis:
as shown in fig. 11, the detection recording result of the error recording drawing 324 is obtained by analyzing the graphs on the error recording drawing 324, dividing the convex and concave errors into two graphs, namely, an upper peak graph and a lower peak graph when performing graph depiction, controlling the width on the error recording drawing 324 by adjusting the translation speed of the error recording drawing 324, and correspondingly combining the two graphs and determining and analyzing the error conditions at the corresponding time and position by connecting the traveling speed of the slider 112;
regarding the error amplification calculation method, when a convex/concave error occurs, the total length of the telescopic pen tip 323 is set to be recorded as L, the length of the measuring ball bar 313 is set to be L, the distance between the highest/low point of the peak value recorded by the error recording drawing 324 and the horizontal line is S1, the amplification factor is L/L, the highest/low point of the actual error peak value is calculated to be S1L/L, the translation speed of the error recording drawing 324 is set to be v, the width passing through the convex/concave error peak diagram is S2, the traveling speed of the connecting slide block 112 is set to be v1, and the amplification factor is v/v1, the width of the actual convex/concave point can be calculated to be S2 v 1/v;
the peak value highest/low point is the highest/low point of the bump/pit, i.e. the center point, as can be known from the bump/pit variation trend recorded on the error recording drawing 324, and thus the specific position of the bump/pit center point corresponding to the plane 5 to be measured can be determined;
in addition, the planeness of the plane 5 to be measured can be obtained by integrally recording the deviation of each curve relative to the reference line on the error recording drawing 324;
meanwhile, according to the record of the field recording device 4 on the test piece, the transverse line recorded on the lower marking surface corresponds to the convex point on the cross section of the plane to be measured 5, and conversely, the transverse line recorded on the upper marking surface corresponds to the concave point on the cross section of the plane to be measured 5;
the concrete positions of the convex/concave points on the plane 5 to be detected can be quickly found out according to the graphic record on the error recording drawing 324 and the record of the field recording device 4 on the test piece;
therefore, the detection and analysis of the flatness and roughness detection recorder are completed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a flatness and roughness measurement record appearance which characterized in that includes: mounting bracket (1), reference surface are looked for device (2), plane measurement record mechanism (3), plane (5) await measuring, mounting bracket (1) includes: the device comprises a reference surface mounting frame (11) and a connecting frame (12), wherein the reference surface mounting frame (11) is fixed on an adjacent reference surface or an external reference surface of the plane to be measured (5) and is rotatably connected with the connecting frame (12); the reference plane alignment device (2) comprises: the device comprises a parallel alignment device (21) and a vertical alignment device (22), wherein the parallel alignment device (21) is fixed on the side surface of a datum plane mounting rack (11), and the vertical alignment device (22) is mounted at the top of the datum plane mounting rack (11); the plane measurement recording mechanism (3) is arranged below the connecting frame (12), and comprises: measuring device (31), recorder (32), measuring device (31) and the plane of awaiting measuring (5) activity contact, recorder (32) are installed between link (12) and measuring device (31).
2. A flatness and roughness measurement recorder according to claim 1, wherein said parallelism aligning means (21) comprises: the device comprises a rotary telescopic cylinder (211) and a parallel test plate (212), wherein the rotary telescopic cylinder (211) is fixedly arranged on the side surface of a reference surface mounting frame (11), the telescopic end of the rotary telescopic cylinder is provided with the parallel test plate (212), and a plurality of pressure sensors are uniformly arranged on the contact part of the parallel test plate (212);
the vertical alignment device (22) comprises: driving motor (221), survey test panel (222) perpendicularly, driving motor (221) are installed and are being looked for gear (223) fixed connection through fixed axle output shaft and parallel in datum plane mounting bracket (11) top and output, the meshing has propulsion rack (224) bottom being looked for to the parallel, propulsion rack (224) slidable mounting is in datum plane mounting bracket (11) top, survey test panel (222) perpendicularly and be fixed in the one end that advances rack (224) and be close to mounting bracket (1) stationary plane, gear (223) are looked for to the parallel two at least and evenly distributed on the output, guarantee that survey test panel (222) perpendicularly and impel steadily, survey test panel (222) contact segment evenly to install a plurality of pressure sensors perpendicularly.
3. A flatness and roughness measurement recorder according to claim 1, wherein said measuring means (31) comprises: the device comprises a fixed mounting shaft (311), bearings (312) and a measuring ball (314), wherein two ends of the fixed mounting shaft (311) are fixed with a connecting frame (12), the fixed mounting shaft (311) is uniformly and rotatably provided with a plurality of bearings (312), and one side of each bearing (312) is provided with a torsion spring (315) connected between the fixed mounting shaft (311) and the corresponding bearing (312); the measuring ball (314) is movably contacted with the plane (5) to be measured and is rotatably connected with a measuring ball rod (313), the measuring ball rod (313) is connected between the bearing (312) and the measuring ball (314), the lengths of all the measuring ball rods (313) are arranged in a linear change manner in sequence, the measuring ball (314) connected with the longest measuring ball rod (313) is contacted with the point of the plane (5) to be measured, which is farthest from the bearing (312) in vertical distance, and the measuring ball (314) connected with the shortest measuring ball rod (313) is contacted with the point of the plane (5) to be measured, which is closest from the bearing (312) in vertical distance;
the recording device (32) includes: a recording motor (321), a transmission recording rotating shaft (322) and a recording telescopic pen end (323); the number of the recording motors (321) is two, the recording motors are fixedly connected with the connecting frame (12), the output ends of the recording motors (321) are fixedly connected with the conveying recording rotating shafts (322), and error recording drawings (324) are mounted on the two conveying recording rotating shafts (322); the fixed end of the recording telescopic pen end (323) is fixedly connected with the bearing (312) and forms a certain angle with the measuring ball rod (313); the recording end of the recording telescopic pen end (323) is in contact with the error recording drawing (324), and the recording end is provided with an elastic telescopic mechanism and is used for being in real-time contact with the error recording drawing (324) to offset the error when the recording telescopic pen end (323) makes an arc-shaped track; the height difference of the recording telescopic pen ends (323) relative to the error recording drawing (324) exists, and images recorded on the error recording drawing (324) are uniformly distributed up and down, wherein the distances between the two edge recording telescopic pen ends (323) and the upper edge and the lower edge of the error recording drawing (324) ensure that the recording telescopic pen ends (323) can still record when the error reaches an error extreme value; the image information corresponding to the record of the Y axis on the error recording drawing (324) is an amplified path of the measuring ball (314) at each specific position in the rolling process, which is detected vertically relative to the planeness and the roughness of the plane to be detected (5), and the image information corresponding to the record of the X axis is an amplified path of the measuring ball (314) at each specific position in the rolling process, which is detected horizontally relative to the planeness and the roughness of the plane to be detected (5).
4. The flatness and roughness detecting and recording instrument according to claim 3, wherein the bearing (312) is fixedly provided with incomplete gear teeth avoiding the measuring ball bar (313) and the recording telescopic pen tip (323) on the outer circumferential surface, and the incomplete gear is engaged with a field recording device (4) for performing field real-time recording when the measuring ball (314) detects uneven points on the plane (5) to be measured.
5. A flatness and roughness measurement recorder according to claim 4, wherein said field recording means (4) comprises: a transmission change gear (401), コ -shaped marking assembly (402); the transmission speed change gear (401) is rotatably connected with the connecting frame (12) and meshed with the bearing (312), a transmission rotating rod (403) is fixed on the axis of the transmission speed change gear (401), and the transmission rotating rod (403) is arranged on the コ -shaped marking component (402) in a sliding mode.
6. A flatness and roughness measurement recorder according to claim 2, wherein said コ -shaped marker assembly (402) further comprises: a supporting rod (4021) and a marking telescopic pen end (4022); the initial position of the supporting strut (4021) is parallel to the fixing surface of the mounting rack (1), the supporting strut (4021) is provided with a T-shaped sliding rail matched with a T-shaped sliding block of the transmission rotating rod (403), a buffer spring is arranged between the upper part and the lower part of the transmission rotating rod (403) and the supporting strut (4021), the upper end and the lower end of the supporting strut (4021) are provided with marking telescopic pen ends (4022), the connecting part of the marking telescopic pen ends (4022) and the supporting strut (4021) is provided with an elastic telescopic device, and the pen point faces the marking surface of the fixing surface of the mounting rack (1); the distance between the pen point end of the telescopic marking pen tip (4022) and the marking surface is not more than 2 mm.
7. The flatness and roughness detecting and recording instrument according to claim 1 or 4, wherein the connecting frame (12) is provided with a top plate (121) contacting with the error recording drawing (324) for sharing and recording the pressure of the telescopic pen tip (323) to the error recording drawing (324).
8. The flatness and roughness detecting and recording instrument according to claim 1, wherein a plurality of fixed telescopic suckers (114) are arranged on the fixed surface of the reference surface mounting rack (11), and the fixed telescopic suckers (114) are provided with axial telescopic adjusting nuts for keeping fixed with the adjacent reference surface or the external reference surface and performing parallel adjustment with the adjacent reference surface.
9. A flatness and roughness measurement recorder according to claim 7, wherein said reference surface mounting block (11) comprises: installation slide rail (111), link block (112), drive lead screw motor (115) are fixed in the one end of installation slide rail (111), and the output rigid coupling has drive lead screw (116), drive lead screw (116) and link block (112) screw-thread fit and sliding connection, link block (112) quantity at least one and cooperate with installation slide rail (111), link block (112) rotate with cooperation installation head (122) that link block (12) top set up and are connected, fixed mounting has rotation motor (113) to be used for driving link block (12) to rotate on link block (112).
10. A detection and analysis method of a flatness and roughness detection recorder is characterized in that,
step one, field detection:
the flatness and roughness detection recorder is fixed on the adjacent surface of a plane to be detected (5) through a fixed telescopic sucker (114), and controls a parallel test board (212) to be attached to the plane to be detected (5) through a rotary telescopic cylinder (211) in a parallel alignment device (21) so as to detect whether a mounting frame (11) is parallel to the plane to be detected (5) or not and finely adjust the fixed telescopic sucker (114) up and down; after the parallel adjustment is finished, a driving motor (221) in the vertical alignment device (22) drives a vertical test board (222) to be attached to the adjacent surface of the plane to be measured (5) forwards through a gear rack, the fixed telescopic sucker (114) is adjusted forwards and backwards, and after the reference alignment of the adjacent surface of the plane to be measured (5) is finished, error measurement is carried out on the plane to be measured (5);
before detection, the parallel test board (212) is rotated and contracted by a rotary telescopic cylinder (211), then the connecting frame (12) is controlled to rotate by the rotating motor (113) until the measuring ball (314) is contacted with the plane (5) to be measured, at the moment, the driving screw rod (116) is driven by the driving screw rod motor (115) to drive the connecting slide block (112) to push the connecting frame (12) to slide in the mounting slide rail (111) of the mounting frame (11) at a constant speed, the recording motor (321) is started simultaneously, the measuring ball (314) rolls along the plane (5) to be measured, when encountering convex/concave errors, the measuring ball (314) drives the measuring ball rod (313) to rotate, and drives the recording telescopic pen end (323) to record on the error recording drawing (324) through the bearing (312), meanwhile, the output end of the recording motor (321) drives the transmission recording rotating shaft (322) to rotate so as to enable the error recording drawing (324) to move horizontally; when the bearing (312) rotates, the transmission speed change gear (401) is driven to rotate, and the transmission rotating rod (403) is driven to rotate, so that the marking telescopic pen end (4022) is lapped on a measuring piece and is scratched to mark;
secondly, graph analysis:
firstly, analyzing graphs on an error recording drawing (324), dividing convex and concave errors into an upper peak graph and a lower peak graph when the convex and concave errors are depicted graphically, controlling the width on the error recording drawing (324) by adjusting the translation speed of the error recording drawing (324), and correspondingly combining the upper peak graph and the lower peak graph and determining the error conditions on corresponding time and position by connecting the traveling speed of a sliding block (112) and analyzing the error conditions;
regarding the error amplification calculation method, when a convex/concave error occurs, the total length of the telescopic pen tip (323) is set and recorded as L, the length of the measuring ball rod (313) is L, the distance between the peak value highest/low point and the horizontal line is set as S1 through the recording of an error recording drawing (324), the amplification factor is L/L, the actual error peak value highest/low point is calculated as S1L/L, the translation speed of the error recording drawing (324) is set as v, the width passing through the convex/concave error peak drawing is S2, the traveling speed of the connecting slide block (112) is set as v1, the amplification factor is v/v1, and the actual convex/concave point width is calculated as S2 v 1/v;
the peak value highest/low point is the highest/low point of the bulge/recess, namely the center point, according to the change trend of the bulge/recess recorded on the error recording drawing (324), so that the specific position of the center point of the bulge/recess corresponding to the plane to be measured (5) can be judged;
in addition, the planeness of the plane to be measured (5) can be obtained by integrally recording the deviation of each curve on the error recording drawing (324) relative to the reference line;
meanwhile, according to the record of the field recording device (4) on the test piece, the transverse line recorded on the lower marking surface corresponds to the convex point on the cross section of the plane to be measured (5), and conversely, the transverse line recorded on the upper marking surface corresponds to the concave point on the cross section of the plane to be measured (5);
according to the graphic record on the error recording drawing (324) and the record of the field recording device (4) on the test piece, the specific position of the convex/concave point on the plane (5) to be tested can be quickly found out;
therefore, the detection and analysis of the flatness and roughness detection recorder are completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110478070.8A CN113074617A (en) | 2021-04-30 | 2021-04-30 | Flatness and roughness detection recorder and detection analysis method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116242284A (en) * | 2023-04-20 | 2023-06-09 | 慧铁科技有限公司 | Judgment method for damage of bearing saddle |
| CN117268238A (en) * | 2023-11-23 | 2023-12-22 | 上海狄兹精密机械有限公司 | Ball screw raceway measuring equipment and method |
| CN117583274A (en) * | 2024-01-19 | 2024-02-23 | 山东广利铁塔有限公司 | Electric power iron tower log cross-section profile detection and correction device |
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2021
- 2021-04-30 CN CN202110478070.8A patent/CN113074617A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116242284A (en) * | 2023-04-20 | 2023-06-09 | 慧铁科技有限公司 | Judgment method for damage of bearing saddle |
| CN116242284B (en) * | 2023-04-20 | 2023-08-18 | 慧铁科技有限公司 | Judgment method for damage of bearing saddle |
| CN117268238A (en) * | 2023-11-23 | 2023-12-22 | 上海狄兹精密机械有限公司 | Ball screw raceway measuring equipment and method |
| CN117268238B (en) * | 2023-11-23 | 2024-01-26 | 上海狄兹精密机械有限公司 | Ball screw raceway measuring equipment and method |
| CN117583274A (en) * | 2024-01-19 | 2024-02-23 | 山东广利铁塔有限公司 | Electric power iron tower log cross-section profile detection and correction device |
| CN117583274B (en) * | 2024-01-19 | 2024-04-19 | 山东广利铁塔有限公司 | Electric power iron tower log cross-section profile detection and correction device |
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Application publication date: 20210706 |