CN102269561B - Large-span machine tool guide rail parallelism measuring device and method - Google Patents
Large-span machine tool guide rail parallelism measuring device and method Download PDFInfo
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- CN102269561B CN102269561B CN 201110170211 CN201110170211A CN102269561B CN 102269561 B CN102269561 B CN 102269561B CN 201110170211 CN201110170211 CN 201110170211 CN 201110170211 A CN201110170211 A CN 201110170211A CN 102269561 B CN102269561 B CN 102269561B
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Abstract
The invention provides a large-span machine tool guide rail parallelism measuring device, which comprises a left guide rail slider matched with a left guide rail, and a right guide rail slider fixed with a left connecting block and a right connecting block; the right connecting block is fixed with a laser flashlight; the left connecting block is provided with a centering block corresponding to the laser flashlight; the centering block is provided with a laser centering reference point; a high precision steel ruler is connected between the left and right connecting blocks through a steel wire and a tension spring; a value indicating part of the high precision steel ruler falls on the middle part of the right connecting block; and the right connecting block is provided with a reading reference line of the high precision steel ruler. The invention also provides a measurement method according to the large-span machine tool guide rail parallelism measuring device. The invention has the advantages of high measurement accuracy and simple operation and transportation.
Description
Technical field
The present invention relates to a kind of measuring equipment, relate in particular to a kind of measurement of paralleism equipment, specifically refer to a kind of large span machine tool guide rail parallelism measuring apparatus and measuring method.
Background technology
Make the field at lathe at present, the depth of parallelism of the guide rail that lathe is provided with requires very high, and particularly in some timber machining tools, the span of its guide rail is very large, and after the client bought lathe, guide rail generally was to install after lathe is transported to the client there again.
Former guide rail is after installation, for guaranteeing two depth of parallelisms between the guide rail, the general high precision tape measure that adopts is directly measured the spacing between two guide rails, although this measuring method easy operating can not satisfy lathe to the requirement of two high depth of parallelisms of guide rail because precision is too poor.In order to improve the measuring accuracy of measuring the depth of parallelism, also has at present a kind of machine tool guideway detector, can realize the high-acruracy survey to guide rail parallelism, but because the submission of this machine tool guideway detector is larger, transportation and installation be comparatively inconvenience all, for the large span machine tool guide rail that this needs are installed to curstomer`s site, the measurement of the depth of parallelism very inconvenience and cost is higher.
Summary of the invention
The technical problem to be solved in the present invention is that large span machine tool guide rail parallelism measuring apparatus and the measuring method of a kind of measuring accuracy height and easy operating and transportation is provided.
The technical solution of the first technical matters of the present invention is, a kind of large span machine tool guide rail parallelism measuring apparatus is provided, comprise respectively the left rail slide block and the right guide rail slide block that match with left rail and right guide rail, be fixed with respectively left contiguous block and right contiguous block on described left rail slide block and the right guide rail slide block, be fixed with laser flashlight on the described right contiguous block, described left contiguous block is provided with the align piece corresponding with laser flashlight, the described piece that aligns is provided with laser and aligns reference point, also be connected with the high precision steel ruler by steel wire and extension spring between described left contiguous block and the right contiguous block, the indicating value clan of described high precision steel ruler is middle position on right contiguous block, and described right contiguous block is provided with the reading reference line of high precision steel ruler.
After adopting above scheme, the large span machine tool guide rail parallelism measuring apparatus of the present invention utilizes laser flashlight and aligns piece and accurately guarantees left rail slide block and the synchronism of right guide rail slide block when sliding, when measuring, the present invention need not to measure two spacings between the guide rail, only need can realize according to the variation of the spacing between mobile rear two guide rails at left rail slide block and right guide rail slide block the measurement to the depth of parallelism, the described high precision steel ruler of large span machine tool guide rail parallelism measuring apparatus only needs a very short end to have indicating value can to read according to the reading reference line that right contiguous block is provided with the high precision steel ruler left rail slide block and right guide rail slide block the high precision steel ruler is in the indicating value of reading reference line before and after mobile in the present invention, and the difference by indicating value can draw two depth of parallelisms between the guide rail easily.Because the present invention utilizes laser to position, thereby precision is higher, and the present invention is simple in structure, submit to less and be convenient to and dismantle, be convenient to easy operating and transportation.
As preferably, also being connected with the high precision steel ruler by steel wire and extension spring between described left contiguous block and the right contiguous block refers to, described left contiguous block is provided with set screw and the second nut, right contiguous block is provided with connecting link and the first nut, the end of connecting link is fixed with support, be connected with an end of extension spring on the described support, a fixing end of steel wire between set screw and the second nut, between left rail and right guide rail, the length of adjusting steel wire by the first nut can be so that the indicating value clan of high precision steel ruler middle position on right contiguous block by the tension of the other end of the other end of extension spring and steel wire for described high precision steel ruler.This preferred version is simple in structure, is convenient to the adjusting of steel wire and fixing, is convenient to implement.
As preferably, described right contiguous block is provided with the reading reference line and refers to be fixed with scale at right contiguous block, described scale has with the vernier of the vernier caliper scale with principle, the zero point of described scale, another of scale scale of aiming at steel ruler high precision steel ruler was as the accurate line of reading as the reading reference line.This preferred version utilization mark card comes the positional readings reference line and utilizes the principle of the vernier reading of vernier caliper to be provided with the accurate line of reading, has improved the precision of measuring and has been convenient to enforcement.
Further, described length of the scale is 49mm and the scale with 50 equal portions.The precision of the measurement that employing this programme can make has improved 0.02mm.
Better, described length of the scale is 99mm and the scale with 100 equal portions.The precision of the measurement that employing this programme can make has improved 0.01mm
As preferably, the described piece that aligns is provided with laser and aligns reference point and refer to be provided with a plurality of concentric circless aligning piece, and the described reference point that aligns is the concentrically ringed center of circle.This preferred version utilizes a plurality of concentrically ringed centers of circle as aligning reference point, and to the timing convenient operation, exploitativeness is strong.
The technical solution of the second technical matters of the present invention is, a kind of large span machine tool guide rail parallelism method is provided, and utilizes above-mentioned large span machine tool guide rail parallelism measuring apparatus, and its measuring process is as follows:
A. left rail slide block and right guide rail slide block are slided to respectively the same end of left rail and right guide rail, unclamp the first nut, taut wire makes extension spring be in tension, tightens the first nut and makes fixation with steel wire;
B. adjust laser flashlight, make its laser beam drop on the laser that aligns piece and align reference point, read the high precision steel ruler indicating value that reading reference line that right contiguous block is provided with is aimed at, record reading L
1
C. synchronizing moving left rail slide block and right guide rail slide block to the second measurement point, repeating step b reads a reading L
2
D. repeating step c reads the reading of a plurality of measurement points in the guide rail span and records reading L
3, L
4,, L
n
E. the depth of parallelism of left rail and right guide rail is: (Max(L
1, L
2, L
3, L
4,, L
n)-Min(L
1, L
2, L
3, L
4,, L
n))/rail length.
As can be seen from above, adopt large span machine tool guide rail parallelism measuring apparatus provided by the invention to measure the large span machine tool guide rail depth of parallelism, easy and simple to handle and precision is higher.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of the large span lathe of the present invention rectangular guideway parallelism measuring apparatus.
Fig. 2 is the vertical view of Fig. 1.
Shown in the figure:
1, left rail, 2, right guide rail, 3, the left rail slide block, 4, right guide rail slide block, 5, left contiguous block, 6, right contiguous block, 7, steel wire, 8, the high precision steel ruler, 9, extension spring, 10, align piece, 11, laser flashlight, 12, connecting link, 13, the first nut, 14, support, 15, scale, 16, set screw, the 17, second nut.
Embodiment
For ease of explanation, below in conjunction with accompanying drawing, elaborate to inventing large span machine tool guide rail parallelism measuring apparatus and measuring method.
As shown in Fig. 1 and Fig. 2, a kind of large span machine tool guide rail parallelism measuring apparatus, comprise respectively the left rail slide block 3 and the right guide rail slide block 4 that match with left rail 1 and right guide rail 2, be fixed with respectively left contiguous block 5 and right contiguous block 6 on described left rail slide block 3 and the right guide rail slide block 4, be fixed with laser flashlight 11 on the described right contiguous block, described left contiguous block 5 is provided with corresponding with laser flashlight 11 piece 10 that aligns, the described piece 10 that aligns is provided with laser and aligns reference point, the described piece 10 that aligns is provided with laser and aligns reference point and refer to be provided with a plurality of concentric circless aligning piece 10, the described reference point that aligns is the concentrically ringed center of circle, also be connected with high precision steel ruler 8 by steel wire 7 and extension spring 9 between described left contiguous block and the right contiguous block, the indicating value clan of described high precision steel ruler 8 is middle position on right contiguous block 6, and described right contiguous block 6 is provided with the reading reference line of high precision steel ruler 8.
Also being connected with high precision steel ruler 8 by steel wire 7 and extension spring 9 between described left contiguous block and the right contiguous block refers to, described left contiguous block 5 is provided with set screw 16 and the second nut 17, right contiguous block 6 is provided with connecting link 12 and the first nut 13, the end of connecting link 12 is fixed with support 14, be connected with an end of extension spring 9 on the described support 14, a fixing end of steel wire 7 between set screw 16 and the second nut 17, between left rail 1 and right guide rail 2, the length of adjusting steel wire 7 by the first nut 17 can be so that the indicating value clan of high precision steel ruler 8 middle position on right contiguous block 6 by the tension of the other end of the other end of extension spring 9 and steel wire 7 for described high precision steel ruler 8.
Described right contiguous block is provided with the reading reference line and refers to be fixed with scale 15 at right contiguous block 6, described scale 15 has with the vernier of the vernier caliper scale with principle, the zero point of described scale 15, the scale that another of scale 15 aimed at steel ruler high precision steel ruler 8 was as the accurate line of reading as the reading reference line.In the present embodiment, described length of the scale is 49mm and the scale with 50 equal portions.
According to above-mentioned large span machine tool guide rail parallelism measuring apparatus, provide a kind of large span machine tool guide rail parallelism method in the present embodiment, its measuring process is as follows:
A. left rail slide block 3 and right guide rail slide block 4 are slided to respectively the same end of left rail 1 and right guide rail 2, unclamp the first nut 17, taut wire 7 makes extension spring 9 be in tension, tightens the first nut 17 and makes steel wire 7 fixing;
B. adjust laser flashlight 11, make its laser beam drop on the laser that aligns piece 10 and align reference point, read the zero point of the scale that right contiguous block 6 is provided with and the accurate indicating value of the high precision steel ruler 8 aimed at of line, record reading L
1
C. 4 to second measurement points of synchronizing moving left rail slide block 3 and right guide rail slide block, repeating step b reads a reading L
2
D. repeating step c reads the reading of a plurality of measurement points in the guide rail span and records reading L
3, L
4,, L
n
E. left rail 1 with the depth of parallelism of right guide rail 2 is: (Max(L
1, L
2, L
3, L
4,, L
n)-Min (L
1, L
2, L
3, L
4,, L
n))/rail length.
In the above-described embodiments, preferred forms of the present invention is described, obviously, under inventive concept of the present invention, still can make a lot of variations, the pattern of guide rail as described and structure, and for example described reading reference line is determined mode, also can be fixed with the reading reference line at right contiguous block 6, described laser aligns reference point and also can be directly aligns reference point aligning directly to mark on the piece 10 for another example, also have, utilize scale 15 to determine in above-mentioned enforcement, described scale 15 readings are to utilize the principle of vernier caliper reading to use, when implementing, also scale 15 is set to 99mm length and is 100 equal portions as required, the precision of scale 15 can be brought up to 0.01mm like this.At this, should illustrate that any change of making all will fall within the scope of protection of the present invention under inventive concept of the present invention.
Claims (7)
1. large span machine tool guide rail parallelism measuring apparatus, it is characterized in that: comprise respectively the left rail slide block (3) and the right guide rail slide block (4) that match with left rail (1) and right guide rail (2), be fixed with respectively left contiguous block (5) and right contiguous block (6) on described left rail slide block (3) and the right guide rail slide block (4), be fixed with laser flashlight (11) on the described right contiguous block, described left contiguous block (5) is provided with corresponding with laser flashlight (11) piece (10) that aligns, the described piece (10) that aligns is provided with laser and aligns reference point, also be connected with high precision steel ruler (8) by steel wire (7) and extension spring (9) between described left contiguous block and the right contiguous block, the indicating value clan of described high precision steel ruler (8) is the position in the middle of right contiguous block (6) is upper, and described right contiguous block (6) is provided with the reading reference line of high precision steel ruler (8);
Also being connected with high precision steel ruler (8) by steel wire (7) and extension spring (9) between described left contiguous block and the right contiguous block refers to, described left contiguous block (5) is provided with set screw (16) and the second nut (17), right contiguous block (6) is provided with connecting link (12) and the first nut (13), the end of connecting link (12) is fixed with support (14), be connected with an end of extension spring (9) on the described support (14), a fixing end of steel wire (7) between set screw (16) and the second nut (17), between left rail (1) and right guide rail (2), the length of adjusting steel wire (7) by the second nut (17) can be so that the indicating value clan of high precision steel ruler (8) position in the middle of right contiguous block (6) is upper by the tension of the other end of the other end of extension spring (9) and steel wire (7) for described high precision steel ruler (8).
2. large span machine tool guide rail parallelism measuring apparatus according to claim 1, it is characterized in that: described right contiguous block (6) is provided with the reading reference line and refers to be fixed with scale (15) at right contiguous block, described scale (15) has with the vernier of the vernier caliper scale with principle, the zero point of described scale (15), the scale that another of scale (15) aimed at high precision steel ruler (8) was as the accurate line of reading as the reading reference line.
3. large span machine tool guide rail parallelism measuring apparatus according to claim 2, it is characterized in that: described scale (15) length is 49mm and the scale with 50 equal portions.
4. large span machine tool guide rail parallelism measuring apparatus according to claim 2, it is characterized in that: described scale (15) length is 99mm and the scale with 100 equal portions.
5. large span machine tool guide rail parallelism measuring apparatus according to claim 1, it is characterized in that: the described piece (10) that aligns is provided with laser and aligns reference point and refer to be provided with a plurality of concentric circless aligning piece (10), and the described reference point that aligns is the concentrically ringed center of circle.
6. large span machine tool guide rail parallelism method, it is characterized in that: utilize the large span machine tool guide rail parallelism measuring apparatus of claim 1,2 or 5 arbitrary claims, its measuring process is as follows:
A. left rail slide block (3) and right guide rail slide block (4) are slided to respectively the same end of left rail (1) and right guide rail (2), unclamp the second nut (17), taut wire (7) makes extension spring (9) be in tension, tightens the second nut (17) and makes steel wire (7) fixing;
B. adjust laser flashlight (11), its laser beam is dropped on align the laser of piece (10) to align reference point, read the indicating value of the high precision steel ruler (8) that reading reference line that right contiguous block (6) is provided with aims at, record reading L
1
C. synchronizing moving left rail slide block (3) and right guide rail slide block (4) are to second measurement point, and repeating step b reads a reading L
2
D. repeating step c reads the reading of a plurality of measurement points in the guide rail span and records reading L
3, L
4..., L
n
E. left rail (1) with the depth of parallelism of right guide rail (2) is: (Max(L
1, L
2, L
3, L
4..., L
n)-Min(L
1, L
2, L
3, L
4..., L
n))/rail length.
7. large span machine tool guide rail parallelism method, it is characterized in that: utilize the described large span machine tool guide rail parallelism measuring apparatus of the arbitrary claim of claim 3 to 4, its measuring process is as follows:
A. left rail slide block (3) and right guide rail slide block (4) are slided to respectively the same end of left rail (1) and right guide rail (2), unclamp the second nut (17), taut wire (7) makes extension spring (9) be in tension, tightens the second nut (17) and makes steel wire (7) fixing;
B. adjust laser flashlight (11), its laser beam is dropped on align the laser of piece (10) to align reference point, read the zero point of the scale that right contiguous block (6) is provided with and the accurate indicating value of the high precision steel ruler (8) aimed at of line, record reading L
1
C. synchronizing moving left rail slide block (3) and right guide rail slide block (4) are to second measurement point, and repeating step b reads a reading L
2
D. repeating step c reads the reading of a plurality of measurement points in the guide rail span and records reading L
3, L
4..., L
n
E. left rail (1) with the depth of parallelism of right guide rail (2) is: (Max(L
1, L
2, L
3, L
4..., L
n)-Min(L
1, L
2, L
3, L
4..., L
n))/rail length.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110170211 CN102269561B (en) | 2011-06-23 | 2011-06-23 | Large-span machine tool guide rail parallelism measuring device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110170211 CN102269561B (en) | 2011-06-23 | 2011-06-23 | Large-span machine tool guide rail parallelism measuring device and method |
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| CN102269561A CN102269561A (en) | 2011-12-07 |
| CN102269561B true CN102269561B (en) | 2013-03-06 |
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| CN105290515A (en) * | 2015-10-27 | 2016-02-03 | 六安瑞普数控装备有限公司 | Heavy vertical lathe base scraping detection method |
| CN105588497B (en) * | 2015-12-29 | 2017-12-22 | 保定天威电气设备结构有限公司 | A kind of method for measuring cylinder both ends parallel flange degree |
| CN107478191B (en) * | 2017-09-12 | 2019-11-15 | 中铁四局集团市政工程有限公司 | A kind of monitoring method of bridge Wavelike steel webplate bending deformation |
| CN107990849A (en) * | 2017-12-01 | 2018-05-04 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Carriage track straightness and depth of parallelism automatic detection device and its detection method |
| CN112304282B (en) * | 2020-10-14 | 2022-04-26 | 新兴铸管股份有限公司 | Method for mounting and measuring rails of centrifugal machine |
| CN112361924A (en) * | 2020-11-05 | 2021-02-12 | 沈阳马卡智工科技有限公司 | Device and method suitable for measuring equal height of guide rail |
| CN113188479A (en) * | 2021-03-31 | 2021-07-30 | 成都飞机工业（集团）有限责任公司 | Large-span guide rail parallelism detection method |
| CN114012290B (en) * | 2021-11-24 | 2023-12-15 | 沧州领创激光科技有限公司 | Split driving structure of large-breadth laser cutting machine |
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| US6628403B2 (en) * | 2001-06-13 | 2003-09-30 | Lockheed Martin Corporation | Apparatus and method for testing a transducer |
| CN201126350Y (en) * | 2007-11-26 | 2008-10-01 | 济南二机床集团有限公司 | Apparatus for measuring parallel of large-width high-accurate guideway |
| CN101408401A (en) * | 2008-11-21 | 2009-04-15 | 四川长征机床集团有限公司 | Parallel measuring instrument |
| US7861434B2 (en) * | 2009-03-13 | 2011-01-04 | Knudsen N Eric | Post sleeve positioning apparatus and method |
| CN201637372U (en) * | 2009-12-22 | 2010-11-17 | 李成 | Novel railway gauging rule |
| CN202188818U (en) * | 2011-06-23 | 2012-04-11 | 济南星辉数控科技机械有限公司 | Large span machine tool guide rail parallelism measuring apparatus |
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Denomination of invention: Large-span machine tool guide rail parallelism measuring device and method Effective date of registration: 20191224 Granted publication date: 20130306 Pledgee: Qilu bank Limited by Share Ltd Ji'nan Lan Xiang Road Branch Pledgor: Jinan Singhui CNC Technology Co., Ltd. Registration number: Y2019370000133 |