CN105571482A - Locking device of measuring guide rail linearity, and measuring device and method thereof - Google Patents
Locking device of measuring guide rail linearity, and measuring device and method thereof Download PDFInfo
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- CN105571482A CN105571482A CN201511034058.9A CN201511034058A CN105571482A CN 105571482 A CN105571482 A CN 105571482A CN 201511034058 A CN201511034058 A CN 201511034058A CN 105571482 A CN105571482 A CN 105571482A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 204
- 238000012546 transfer Methods 0.000 claims description 224
- 230000007246 mechanism Effects 0.000 claims description 77
- 238000012360 testing method Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
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- 230000001737 promoting effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
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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
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
- G01B7/31—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
Provided are a locking device of measuring guide rail linearity, and a measuring device and method thereof. The locking device comprises a front plate, a rear plate, a fixed plate, a locking screw, a locking nut, a front plate screw and a rear plate screw. The front plate is fixed to the front side of a first measurement mobile bench through the front plate screw; the rear plate is fixed to the rear side of the first measurement mobile bench through the rear plate screw. The locking nut successively penetrates the rear plate, a second measurement mobile bench and the front plate from rear to front, and is fixed to the second measurement mobile bench through a screw; the locking nut is installed on the front side of the locking screw; through adjusting the locking nut, the second measurement mobile bench and the first measurement mobile bench are integrated or separated. According to the invention, the two measurement mobile benches are fixed through the locking device, realizing convenience and fastness in a moving process, and improving efficiency; the measuring device has a simpler structure, is more convenient to operate, and has low requirements for operation workers; the measuring method possesses high measuring precision.
Description
Technical field
The present invention relates to lathe straight line degree measurement technical field, particularly relate to the locking device of the measurement guide rail linearity of lathe and use its measurement mechanism and method.
Background technology
The measurement of traditional machine tool guideway linearity, complete with optical flatness gauge, when measuring long guideway, eyes measure fatiguability, after often having surveyed a guide rail linearity, mirror unit should be got back to original position and review, as read table moves, then above measurement is invalid, need remeasure, very time-consuming, reading error can be brought to affect measuring accuracy; And need two people to complete measurement, measure flat-V guide rail linearity simultaneously and need carry out three measurements and manually calculate, efficiency is low.
And the patent No. discloses the measurement mechanism of level gauge linearity disclosed in the measurement mechanism of machine tool guideway linearity and the patent No. 201420519405.1 for 201420489150.9, these two kinds of measurement mechanisms all improve efficiency and the precision of measurement, but two kinds of measurements have limitation in use; The guide rail that wherein measurement mechanism of machine tool guideway linearity is only suitable for Machine Manufacture factory is measured, but uses the factory of lathes at other, and just measuring guide rail during maintenance, is not batch, and implement this patent like this and need manufacture fixture and measure frock and just do not calculate, cost is higher; And the measurement mechanism of level gauge linearity can only measure the guide rail linearity of surface level, the linearity of V-type rail can not be measured.
Summary of the invention
The object of the invention is to improve the measurement efficiency of guide rail linearity and precision, make simultaneously measurement mechanism structure simple, reduce manufacturing cost, measure that proposition simple to operate is a kind of measures the locking device of guide rail linearity and use its measurement mechanism and method.
For reaching this object, the present invention by the following technical solutions:
Measure the locking device of guide rail linearity, comprise header board, rear plate, fixed head, tie down screw, set nut, front plate bolt and rear plate bolt;
Described header board is mounted on before the first measurement transfer table by front plate bolt; Described rear plate is mounted on described first by rear plate bolt and measures after transfer table;
Described tie down screw measures transfer table and described header board through described rear plate, second from back to front successively; Described tie down screw is mounted on described second by screw and measures transfer table;
Described set nut is installed on the front side of described tie down screw; Make described second measurement transfer table and described first measure transfer table by adjusting lock nut be integrally fixed or be separated;
Described fixed head is fixed on described header board and described rear plate by screw;
Be provided with a dividing plate after described in described header board between plate described first measurement transfer table and described second measurement transfer table are separated, between described second measurement transfer table and described dividing plate, be provided with the first plastic plate; The second plastic plate is provided with between described second measurement transfer table and described fixed head.
Preferably, counterweight and handle is also comprised; Described counterweight is installed on the outside that described first measures transfer table;
Described handle comprises left handle and right handle; Described left handle is mounted in described counterweight; Described right handle is installed on the elongated end of described fixed head.
Use a level gauge linearity measurer for locking device described above, it is characterized in that: comprise locking device, first and measure transfer table, the second measurement transfer table, measurement mechanism and benchmark level gauge; Described measurement mechanism comprises inductance measuring staff and support
One end of described support is installed on described first and measures on transfer table, and the free end of described support is positioned at the top that described second measures transfer table; Described inductance measuring staff is installed on the free end of described support, and the measuring junction of described inductance measuring staff is contacted with the test desk on described second measurement transfer table; Described first measurement transfer table and second is measured transfer table and is placed on described benchmark level gauge, is unclamped by described locking device locking; Described inductance measuring staff is connected with receiving processing system.
Preferably, described locking device is provided with soft-touch control;
Described receiving processing system comprises the computing machine of electric component, radio reception module and connection; Described electric component transmits module, sampling plate A/D and power supply by radio and forms; Described electric component is connected by inductor wire with inductance measuring staff; Described electric component is installed on described support; Described radio reception module is connected with described computing machine.
Preferably, described inductance measuring staff is installed on described support by adjusting mechanism, and described adjusting mechanism passes through the fine thread of described adjusting mechanism and described support assorted, and is fixed on described support by screw; Described inductance measuring staff is mounted on described adjusting mechanism by screw.
Use a level gauge linearity measurer for locking device described above, comprise locking device, first and measure transfer table, the second measurement transfer table, measurement mechanism and benchmark level gauge; Described measurement mechanism comprises microindicator, lever, extension spring and supporting;
Described one inner side measuring transfer table is provided with bracing frame, support frame as described above is installed described supporting, the mid point of described lever is installed on described supporting, and one end is positioned at the through hole that described first measures transfer table, and the other end contacts with the described second test desk measured on transfer table; Described microindicator is installed on described first and measures on transfer table, and the measuring junction of described microindicator is positioned at above the lever of described through hole; One end of described extension spring is connected with near the described second described lever measuring transfer table, and the other end is connected with support frame as described above;
Described first measurement transfer table and second is measured transfer table and is placed on described benchmark level gauge, is unclamped by described locking device locking.
Preferably, described microindicator is mounted on described first by screw and measures transfer table.
A V guide rail linearity measurement mechanism for locking device described above, comprises locking device, first and measures transfer table, the second measurement transfer table, X to measurement mechanism, Y-direction measurement mechanism and benchmark V guide rail; Described Y-direction measurement mechanism comprises erecting frame and Y-direction inductance measuring staff; Described X is that X is to inductance measuring staff to measurement mechanism;
One end of described erecting frame is installed on described first and measures on transfer table, and the free end of described erecting frame is positioned at the top that described second measures transfer table; Described Y-direction inductance measuring staff is installed on the free end of described erecting frame, and the measuring junction of described Y-direction inductance measuring staff is contacted with the test desk that described second measures the cube structure on transfer table;
Described X is installed on the extension board that described rear plate upwards extends to inductance measuring staff, and its measuring junction is contacted with the side that described second measures the test desk of the cube structure on transfer table;
Described first measurement transfer table and second is measured transfer table and is placed on described benchmark V guide rail, is unclamped by described locking device locking; Described X is all connected with receiving processing system to inductance measuring staff with described Y-direction inductance measuring staff.
Preferably, described Y-direction inductance measuring staff and described X are all installed on described erecting frame and described extension board by described adjusting gear respectively to inductance measuring staff.
A measuring method for-V guide rail linearity equalled by lathe, and it comprises the following steps:
1), measure level gauge linearity: after measurement mechanism being mounted on described first measurement transfer table, then described first measurement transfer table and second being measured transfer table is placed on described benchmark level gauge, then measurement mechanism is returned to zero, with locking device, described first measurement transfer table and second are measured transfer table to be again fixed together, then move on tested level gauge, then the set nut of described locking device is unclamped, carry out across a measurement after first measurement transfer table A and second measurement transfer table is separated, until tested level gauge is measured, change finally by A/D, RTTY is handed to radio reception module access computing machine, by computer recording, calculate and printer,
2), V guide rail linearity is measured: after Y-direction measurement mechanism being mounted on described first measurement transfer table, X is mounted on described extension board to measurement mechanism; Then described first measurement transfer table and second being measured transfer table is placed on described benchmark V guide rail, then measurement mechanism is returned to zero, with locking device, described first measurement transfer table and second are measured transfer table to be again fixed together, then move on tested V guide rail, then the set nut of described locking device is unclamped, carry out across a measurement, until tested V guide rail is measured, last computer recording, calculating and printer after first measurement transfer table and the second measurement transfer table are separated.
The present invention, by being fixed together by two measurement transfer tables with locking device, making in the process of moving convenient, fast, raises the efficiency; Two measurement transfer tables are placed in after basic rack sets up contact by measurement mechanism, after regulation locking device locks two measurement transfer tables, two measurement transfer tables are moved on tested guide rail, regulate described locking device that two measurement transfer tables are separated and carry out across a measurement, the method measuring accuracy is high, structure is more simple, more convenient to operate; Less demanding simultaneously to operator; More fit with the measuring method of existing optical flatness gauge.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view that the present invention measures one of them measurement mechanism of level gauge;
Fig. 2 is the schematic side view of Fig. 1;
Fig. 3 is the schematic side view that the present invention measures another measurement mechanism of level gauge;
Fig. 4 is the schematic front view that the present invention measures a measurement mechanism of V-type rail;
Fig. 5 is the schematic side view of Fig. 4.
Wherein: 1-header board, plate after 2-, 3-fixed head, 4-tie down screw, 5-set nut, front plate bolt 6, rear plate bolt 7, 8-counterweight, 11-microindicator, 12-benchmark level gauge, inductance measuring staff 13, support 14, 15-test desk, 16-adjusting mechanism, 17-lever, 18-extension spring, 19-supports, 20-bracing frame, 21-Y is to inductance measuring staff, 22-X is to inductance measuring staff, 23-benchmark V guide rail, 24-erecting frame, 25-adjusting gear, 30-dividing plate, 31-first plastic plate, 32-second plastic plate, the left handle of 91-, 92-right panel hand, 100-soft-touch control, 101-through hole, 102-screw, 103-screw, 110-screw, 111-screw.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
As shown in Figure 1, measure the locking device of guide rail linearity, comprise header board 1, rear plate 2, fixed head 3, tie down screw 4, set nut 5, front plate bolt 6 and rear plate bolt 7;
Described header board 1 is mounted on before the first measurement transfer table A by front plate bolt 6; Described rear plate 2 is mounted on described first by rear plate bolt 7 and measures after transfer table A;
Described tie down screw 4 measures transfer table B and described header board 1 through rear plate 2, second from back to front successively; Described tie down screw 4 is mounted on described second by screw 110 and measures transfer table B;
Described set nut 5 is installed on the front side of described tie down screw 4; Make described second measurement transfer table B and described first measure transfer table A by adjusting lock nut 5 be integrally fixed or be separated;
Described fixed head 3 is fixed on described header board 1 and described rear plate 2 by screw 111;
Be provided with a dividing plate 30 after described in described header board 1 between plate 2 described first measurement transfer table A and described second measurement transfer table B is separated, between described second measurement transfer table B and described dividing plate 30, be provided with the first plastic plate 31; The second plastic plate 32 is provided with between described second measurement transfer table B and described fixed head 3.
Now header board 1 and rear plate 2 are mounted on described first by front plate bolt 6 and rear plate bolt 7 and measure transfer table A, then adopting tie down screw 4 and set nut 5 to measure transfer table B by described second is fixed on described header board 1 and rear plate 2, thus achieve and measure transfer table A and described second by described first and measure transfer table B and be fixed together, such structure simply, low cost of manufacture.When be fixed together described first measures transfer table A and described second and measure after transfer table B moves to tested guide rail from basic rack, only need unclamp set nut 5, described first measurement transfer table A and described second can be made to measure transfer table B be separated, then carry out across a measurement, across in a measuring process, adopt described first measurement transfer table A and described second described in dividing plate 30 and the first plastic plate 31 to measure transfer table B to separate, make to measure in the process of transfer table A mobile described first, the described second impact of measuring transfer table B is reduced; And described second plastic plate 32 is set makes described second to measure transfer table B and described fixed head 3 there is gap; Reduce and impact, affect measuring accuracy.Described fixed head 3 also plays position-limiting action, and avoid described second to measure transfer table B in moving process, shift position is crossed far away and impact is measured.Described first thickness measuring one end of transfer table A that is mounted on of described header board 1 is greater than the thickness that described first measures the right-hand member of transfer table A; There is no frictional resistance when described second test desk B is upturned, ensure the smoothness measured.Locking device of the present invention not only structure simple, install convenient; Low cost of manufacture; And the precision of measurement can be ensured, improve simultaneously and measure efficiency.
Preferably, counterweight 8 and handle is also comprised; Described counterweight 8 is installed on the outside that described first measures transfer table A;
Described handle comprises left handle 91 and right handle 92; Described left handle 91 is mounted in described counterweight 8; Described right handle 92 is installed on the elongated end of described fixed head 3.
Described counterweight 8 is to make described first to measure transfer table A held stationary, ensureing the precision measured; Adopt described handle in order to conveniently mention the one-piece construction after locking device locking time mobile; Conveniently one-piece construction is moved to tested guide rail from basic rack.
As depicted in figs. 1 and 2, a kind of level gauge linearity measurer using locking device described above, comprises locking device, first and measures transfer table A, the second measurement transfer table B, measurement mechanism and benchmark level gauge 12; Described measurement mechanism comprises inductance measuring staff 13 and support 14
One end of described support 14 is installed on described first and measures on transfer table A, and the free end of described support 14 is positioned at the top that described second measures transfer table B; Described inductance measuring staff 13 is installed on the free end of described support 14, and the measuring junction of described inductance measuring staff 13 is contacted with the test desk 15 on described second measurement transfer table B; Described first measurement transfer table A and second measures transfer table B and is placed on described benchmark level gauge 12, is unclamped by described locking device locking; Described inductance measuring staff 13 is connected with receiving processing system.
Measuring transfer table A and second measurement transfer table B by first is placed on described benchmark level gauge 12, the distance arranged between the first measurement transfer table A and second measurement transfer table B is L, with support 14, inductance measuring staff 13 being fastened on described first measures on transfer table A, adjustment inductance measuring staff 13 is zero, then after adopting locking device to be locked by the first measurement transfer table A and second measurement transfer table B, measuring transfer table A and second measurement transfer table B by be fixed together first moves on tested level gauge, the first measurement transfer table A and second is still kept to measure transfer table B distance for L.Then regulate described locking device to make the first measurement transfer table A and second measure transfer table B to be separated, at this moment the line slideway that the line slideway measuring transfer table A contact as first contacts than the second measurement transfer table B is high, be shifted along guide rail direction like this, D1 moves to D2, carry out across a measurement, until complete whole measurement, be often shifted once, carry out single reading.The simulating signal measured each time of inductance measuring staff 13 passes in electric component Q, digital signal is converted to by A/D, transmit module transfer to radio reception module by radio, then access computing machine, finally by computer recording, calculating, printer.Adopt locking device that described first measurement transfer table A and described second is measured transfer table B to be fixed on integrally, moving to tested level gauge from benchmark level gauge, convenient, fast, and also whole measurement mechanism structure is simple, cost is low.
Preferably, described locking device is provided with soft-touch control 100;
Described receiving processing system comprises the computing machine of electric component Q, radio reception module and connection; Described electric component transmits module, sampling plate A/D and power supply by radio and forms; Described electric component Q is connected by inductor wire with inductance measuring staff 13; Described electric component Q is installed on described support 14; Described radio reception module is connected with described computing machine.
Adopt soft-touch control 100 to trigger, measurement data can be received in time.The simulating signal that described measurement mechanism measures passes to described electric component Q by inductor wire, converts digital signal to through described sampling plate A/D; Transmit module by radio again and be sent to described radio reception module; Finally input computing machine, calculated by computer graphics and print.Adopt such receiving processing system to achieve guide rail linearity and measure the robotization with evaluation, save time, thus improve efficiency.
Preferably, described test desk 15 is cube structure or cylindrical structure, and this structure all can realize the measurement of level gauge linearity.
Preferably, described inductance measuring staff 13 is installed on described support 14 by adjusting mechanism 16, and described adjusting mechanism 16 is coordinated with described support 14 by the fine thread of described adjusting mechanism 16, and is fixed on described support 14 by screw 102.Described inductance measuring staff 13 is mounted on described adjusting mechanism 16 by screw 103.
Utilize described fine thread to connect, can finely tune described measurement mechanism, adjustment yardstick is more accurate; The pitch s of described fine thread is 0.25mm, regulates the speed faster.Utilize screw to be fixed convenient, fast, and cost is low.
As shown in Figure 3, another scheme of level gauge linearity measurer, described measurement mechanism comprises locking device, first and measures transfer table A, the second measurement transfer table B, measurement mechanism and benchmark level gauge 12; Described measurement mechanism comprises microindicator 11, lever 17, extension spring 18 and supporting 19,
Described one inner side measuring transfer table A is provided with bracing frame 20, support frame as described above 20 is installed described supporting 19, the mid point of described lever 17 is installed on described supporting 19, one end is positioned at the through hole 101 that described first measures transfer table A, and the test desk 15 that the other end and described second is measured on transfer table B contacts; Described microindicator 11 is installed on described first and measures on transfer table A, and the measuring junction of described microindicator 11 is positioned at above the lever 17 of described through hole 101; One end of described extension spring 18 is connected with near the described second described lever 17 measuring transfer table B, and the other end is connected with support frame as described above 20;
Described first measurement transfer table A and second measures transfer table B and is placed on described benchmark level gauge 12, is unclamped by described locking device locking.
As shown in Figure 3, manufacture and design the benchmark level gauge 12 of a level gauge linearity, get the length that L1≤L≤L2, L1 is optical flatness gauge microscope base, L2 is the length of optical level.
Measuring transfer table A and second measurement transfer table B by first is placed on described benchmark level gauge 12, the distance arranged between the first measurement transfer table A and second measurement transfer table B is L, with screw, described microindicator 11 being fastened on described first measures on transfer table A, adjustment microindicator 11 is zero, then after adopting locking device to be locked by the first measurement transfer table A and second measurement transfer table B, measuring transfer table A and second measurement transfer table B by be fixed together first moves on tested level gauge, the first measurement transfer table A and second is still kept to measure transfer table B distance for L.Then regulate described locking device to make the first measurement transfer table A and second measure transfer table B to be separated, at this moment the line slideway that the line slideway measuring transfer table A contact as first contacts than the second measurement transfer table B is high, then microindicator is in negative reading, reflect across a numerical value measured, like this along the displacement of guide rail direction, D1 moves to D2, carry out across a measurement, until complete whole measurement, be often shifted once, carry out single reading.Because employ described lever 17, then (positive and negative) of each reading need take advantage of (-1) negate.Wherein said supporting 19 is as the fulcrum of lever 17, and described extension spring 18 lever 17 is remained touch test desk 15, could realize like this measuring.Adopt locking device that described first measurement transfer table A and described second is measured transfer table B to be fixed on integrally, moving to tested level gauge from benchmark level gauge, convenient, fast, and also whole measurement mechanism structure is simple, cost is low.
Preferably, described microindicator 11 is mounted on described first by screw and measures transfer table A.Screw install fixing convenient, cost is low.
Use a V guide rail linearity measurement mechanism for locking device described above, comprise locking device, first and measure transfer table A, second measurement transfer table B, X to measurement mechanism, Y-direction measurement mechanism and benchmark V guide rail 23; Described Y-direction measurement mechanism comprises erecting frame 24 and Y-direction inductance measuring staff 21; Described X is that X is to inductance measuring staff 22 to measurement mechanism;
One end of erecting frame 24 is installed on described first and measures on transfer table A, and the free end of described erecting frame 24 is positioned at the top that described second measures transfer table B; Described Y-direction inductance measuring staff 21 is installed on the free end of described erecting frame 24, and the measuring junction of described Y-direction inductance measuring staff 21 is contacted with the test desk 15 that described second measures the cube structure on transfer table B;
Described X is installed on the extension board that described rear plate 2 upwards extends to inductance measuring staff 22, and its measuring junction is contacted with the side that described second measures the test desk 15 of the cube structure on transfer table B;
Described first measurement transfer table A and second measures transfer table B and is placed on described benchmark V guide rail 23, is unclamped by described locking device locking; Described X is all connected with receiving processing system to inductance measuring staff 22 with described Y-direction inductance measuring staff 21.
First manufacture and design a V-type rail linearity reference, L length is measured the same with level gauge, the V-type size of benchmark V-type rail is identical with tested guide rail, and linearity precision is different, gets the linearity 0.08um of benchmark V guide rail Y-direction, X-direction.
Measuring transfer table A and second measurement transfer table B by first is placed on described benchmark level gauge 12, the distance arranged between the first measurement transfer table A and second measurement transfer table B is L, with erecting frame 24, Y-direction inductance measuring staff 21 being fastened on described first measures on transfer table A, and adjustment Y inductance measuring staff 13 is zero; X is installed on to inductance measuring staff 22 on the extension board of rear plate; Then after adopting locking device to be locked by the first measurement transfer table A and second measurement transfer table B, measuring transfer table A and second measurement transfer table B by be fixed together first moves on tested level gauge, and still keeping the first measurement transfer table A and second to measure transfer table B distance is L.Then regulate described locking device to make the first measurement transfer table A and second measure transfer table B to be separated, carry out across a measurement, the movement of vertical direction y and horizontal direction x is not by any interference, freedom of movement, press soft-touch control 100, Q case will absorb X and this two signals deposit of V signal, pass to radio reception module in order and enter computing machine.When soft-touch control 100 is opened, absorb signal now, but signal is not below in sampling.After first position has been surveyed, traverse measuring device, then press soft-touch control sampled signal, until survey completely long, computing machine records automatically, calculate, printer.
Illustrate at this, electric component Q absorption inductor signal (x, y) successively to send.When soft-touch control 100 is opened, sampling inductance signal, but signal below can stop sampling.
Adopt locking device that described first measurement transfer table A and described second is measured transfer table B to be fixed on integrally, moving to tested V guide rail from benchmark V guide rail, convenient, fast, and also whole measurement mechanism structure is simple, cost is low.
Preferably, described Y-direction inductance measuring staff 21 and described X are all installed on described erecting frame 24 and described extension board by described adjusting gear 25 respectively to inductance measuring staff 22.
Preferably, described receiving processing system, the described support of measuring the described receiving processing system of V guide rail, described erecting frame and described adjusting gear 25 and measurement level gauge are the same with described adjusting mechanism 16.
The measuring method that-V guide rail linearity put down by a kind of lathe is characterized in that: it comprises the following steps:
1), measure level gauge linearity: after measurement mechanism being mounted on described first measurement transfer table A, then measuring transfer table A and second measurement transfer table B by described first is placed on described benchmark level gauge 12, then measurement mechanism is returned to zero, measure transfer table A and second measurement transfer table B with locking device by described first to be again fixed together, then move on tested level gauge, then the set nut 5 of described locking device is unclamped, carry out across a measurement after first measurement transfer table A and second measurement transfer table B is separated, until tested level gauge is measured, change finally by A/D, RTTY is handed to radio reception module access computing machine, by computer recording, calculate and printer,
2), V guide rail linearity is measured: after Y-direction measurement mechanism being mounted on described first measurement transfer table A, X is mounted on described extension board to measurement mechanism; Then measuring transfer table A and second measurement transfer table B by described first is placed on described benchmark V guide rail 23, then measurement mechanism is returned to zero, measure transfer table A and second measurement transfer table B with locking device by described first to be again fixed together, then move on tested V guide rail, then the set nut 5 of described locking device is unclamped, carry out across a measurement after first measurement transfer table A and second measurement transfer table B is separated, until tested V guide rail is measured, last computer recording, calculating and printer.
The method only needs to measure level gauge respectively once to measure once with V guide rail, altogether measures and just completes measurement twice; Do not need artificial reading manually to calculate simultaneously, it inductance measuring staff signal is sent to radio sending module to be wirelessly transmitted to receiver module and to enter computing machine, calculating, printer is completed by computing machine, simple, convenient, substantially increase measuring accuracy and efficiency.
Illustrate at this, precision analysis when more than measuring:
1, basic rack degree of not worthing error: δ
1=0.8um, this error is not accumulated on rail length
2, measurement mechanism measuring error: δ
2be less than or equal to 0.03um
3, A/D transformed error: δ
3be less than or equal to 0.12um
The limiting error measured:
Explanation is needed at this, the nonstraightness of the application's benchmark level gauge and benchmark V guide rail is 0.8um, this precision can ensure in technique, if measured workpiece linearity is less demanding, will by the precision improving benchmark level gauge and benchmark V guide rail linearity, this is just very difficult in technique, just need not improve the manufacturing accuracy of benchmark level gauge and benchmark V guide rail for this reason, realize the more high-precision measurement of workpiece again, following methods can be adopted: no longer returned to zero by secohmmeter with benchmark level gauge and benchmark V guide rail, but secohmmeter is adjusted to+0.8um.Write the workpiece measuring what precision in instrument instructions exactly, secohmmeter adjusting zero, in what situations secohmmeter tune+0.8um, carve characters at instrument: measure on transfer table A first and carve " 0 ", measure on transfer table B first and carve "+0.8um ".
This programme structure is simple, low cost of manufacture, simple to operate, have promotional value widely, there is obvious economic benefit there is novelty, practicality, advance.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. measure the locking device of guide rail linearity, it is characterized in that: comprise header board, rear plate, fixed head, tie down screw, set nut, front plate bolt and rear plate bolt;
Described header board is mounted on before the first measurement transfer table by front plate bolt; Described rear plate is mounted on described first by rear plate bolt and measures after transfer table;
Described tie down screw measures transfer table and described header board through described rear plate, second from back to front successively; Described tie down screw is mounted on described second by screw and measures transfer table;
Described set nut is installed on the front side of described tie down screw; Make described second measurement transfer table and described first measure transfer table by adjusting lock nut be integrally fixed or be separated;
Described fixed head is fixed on described header board and described rear plate by screw;
Be provided with a dividing plate after described in described header board between plate described first measurement transfer table and described second measurement transfer table are separated, between described second measurement transfer table and described dividing plate, be provided with the first plastic plate; The second plastic plate is provided with between described second measurement transfer table and described fixed head.
2. the locking device of measurement guide rail linearity according to claim 1, is characterized in that: also comprise counterweight and handle; Described counterweight is installed on the outside that described first measures transfer table;
Described handle comprises left handle and right handle; Described left handle is mounted in described counterweight; Described right handle is installed on the elongated end of described fixed head.
3. use a level gauge linearity measurer for the locking device of claim 1 or 2, it is characterized in that: comprise locking device, first and measure transfer table, the second measurement transfer table, measurement mechanism and benchmark level gauge; Described measurement mechanism comprises inductance measuring staff and support;
One end of described support is installed on described first and measures on transfer table, and the free end of described support is positioned at the top that described second measures transfer table; Described inductance measuring staff is installed on the free end of described support, and the measuring junction of described inductance measuring staff is contacted with the test desk on described second measurement transfer table; Described first measurement transfer table and second is measured transfer table and is placed on described benchmark level gauge, is unclamped by described locking device locking; Described inductance measuring staff is connected with receiving processing system.
4. level gauge linearity measurer according to claim 3, is characterized in that: described locking device is provided with soft-touch control;
Described receiving processing system comprises the computing machine of electric component, radio reception module and connection; Described electric component transmits module, sampling plate A/D and power supply by radio and forms; Described electric component is connected by inductor wire with inductance measuring staff; Described electric component is installed on described support; Described radio reception module is connected with described computing machine.
5. level gauge linearity measurer according to claim 4, it is characterized in that: described inductance measuring staff is installed on described support by adjusting mechanism, described adjusting mechanism passes through the fine thread of described adjusting mechanism and described support assorted, and is fixed on described support by screw; Described inductance measuring staff is mounted on described adjusting mechanism by screw.
6. use a level gauge linearity measurer for the locking device of claim 1 or 2, it is characterized in that: comprise locking device, first and measure transfer table, the second measurement transfer table, measurement mechanism and benchmark level gauge; Described measurement mechanism comprises microindicator, lever, extension spring and supporting;
Described one inner side measuring transfer table is provided with bracing frame, support frame as described above is installed described supporting, the mid point of described lever is installed on described supporting, and one end is positioned at the through hole that described first measures transfer table, and the other end contacts with the described second test desk measured on transfer table; Described microindicator is installed on described first and measures on transfer table, and the measuring junction of described microindicator is positioned at above the lever of described through hole; One end of described extension spring is connected with near the described second described lever measuring transfer table, and the other end is connected with support frame as described above;
Described first measurement transfer table and second is measured transfer table and is placed on described benchmark level gauge, is unclamped by described locking device locking.
7. level gauge linearity measurer according to claim 6, is characterized in that: described microindicator is mounted on described first by screw and measures transfer table.
8. use a V guide rail linearity measurement mechanism for the locking device of claim 1 or 2, it is characterized in that: comprise locking device, first and measure transfer table, the second measurement transfer table, X to measurement mechanism, Y-direction measurement mechanism and benchmark V guide rail; Described Y-direction measurement mechanism comprises erecting frame and Y-direction inductance measuring staff; Described X is that X is to inductance measuring staff to measurement mechanism;
One end of described erecting frame is installed on described first and measures on transfer table, and the free end of described erecting frame is positioned at the top that described second measures transfer table; Described Y-direction inductance measuring staff is installed on the free end of described erecting frame, and the measuring junction of described Y-direction inductance measuring staff is contacted with the test desk that described second measures the cube structure on transfer table;
Described X is installed on the extension board that described rear plate upwards extends to inductance measuring staff, and its measuring junction is contacted with the side that described second measures the test desk of the cube structure on transfer table;
Described first measurement transfer table and second is measured transfer table and is placed on described benchmark V guide rail, is unclamped by described locking device locking; Described X is all connected with receiving processing system to inductance measuring staff with described Y-direction inductance measuring staff.
9. V guide rail linearity measurement mechanism according to claim 8, is characterized in that: described Y-direction inductance measuring staff and described X are all installed on described erecting frame and described extension board by described adjusting gear respectively to inductance measuring staff.
10. a measuring method for-V guide rail linearity equalled by lathe, it is characterized in that: it comprises the following steps:
1), measure level gauge linearity: after measurement mechanism being mounted on described first measurement transfer table, then described first measurement transfer table and second being measured transfer table is placed on described benchmark level gauge, then measurement mechanism is returned to zero, with locking device, described first measurement transfer table and second are measured transfer table to be again fixed together, then move on tested level gauge, then the set nut of described locking device is unclamped, carry out across a measurement after first measurement transfer table A and second measurement transfer table is separated, until tested level gauge is measured, change finally by A/D, RTTY is handed to radio reception module access computing machine, by computer recording, calculate and printer,
2), V guide rail linearity is measured: after Y-direction measurement mechanism being mounted on described first measurement transfer table, X is mounted on described extension board to measurement mechanism; Then described first measurement transfer table and second being measured transfer table is placed on described benchmark V guide rail, then measurement mechanism is returned to zero, with locking device, described first measurement transfer table and second are measured transfer table to be again fixed together, then move on tested V guide rail, then the set nut of described locking device is unclamped, carry out across a measurement, until tested V guide rail is measured, last computer recording, calculating and printer after first measurement transfer table and the second measurement transfer table are separated.
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| CN105571482B (en) | 2018-03-13 |
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