CN101149274A - Encoder for bearing-free digital control machine tool main axle - Google Patents
Encoder for bearing-free digital control machine tool main axle Download PDFInfo
- Publication number
- CN101149274A CN101149274A CNA2006101163976A CN200610116397A CN101149274A CN 101149274 A CN101149274 A CN 101149274A CN A2006101163976 A CNA2006101163976 A CN A2006101163976A CN 200610116397 A CN200610116397 A CN 200610116397A CN 101149274 A CN101149274 A CN 101149274A
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- main body
- machine tool
- axis
- main
- encoder
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Abstract
The invention relates to the principal axis rotating state of numerical controlling test machine tool and transforms the principal axis revolution to the principle axis coder in non-bear numerical machine tool. The invention includes the fixing part and revolution part. The fixing part is made up of main body and shell, which is fixed with the main body through the fixing bolt. The main body has the bolt to fix the main body on machine tool. The photoelectric identifier is fixed with the main body through the PCB board; the out of shell is set with the outlet jacket which is set with the cable line. The cable line is connected with the photoelectric identifier; the revolution part is made up of main axis which is connected with the main body through the left and right oil seals. The main axis is set with the code disc. The axis direction of main axis is the machine tool axis hole, which is set with the rotating axis. The invention can improve the machine tool precision and prolong the MTTF of main axis system and the coder using life; also it can decrease the cost but improve precision and decrease error efficient.
Description
Technical field
Numerically-controlled machine is that China's field of machining develops year by year, constantly expands the scale of production and the industry of the technology degree of depth and range, and the main shaft precision control of lathe is the technology part of the comparison core of simple nc machine.The present invention relates to a kind of test main shaft of numerical control machine tool rotation status, and the encoder for bearing-free digital control machine tool main axle of data transmission such as spindle revolutions to control system.
Background technology
Known at present, by the spindle encoder that domestic numerically-controlled machine producer extensively adopts, be the scrambler that the solid shaft tape spool holds, its disadvantage is: 1, all the time, machine tool chief axis is changed by belt, drives countershaft, and scrambler is installed on countershaft, need numerous annexes to connect, increase cost; 2, belt this distortion, problem such as loosening appear in long-time use, lost machine tool accuracy; 3, scrambler itself is with two bearings, influenced by bearing life, and the physical strength of solid shaft scrambler axle is limited, and the time has been grown axle can flexural deformation.
Summary of the invention
The invention provides a kind of encoder for bearing-free digital control machine tool main axle, the objective of the invention is in order to overcome existing spindle encoder cost height, low, the yielding problem of precision, and invent a kind of encoder for bearing-free digital control machine tool main axle that does not adopt bearing, and the rotating part of scrambler and fixed part carried out integrated design, make the main shaft precision-fit of lathe rotating shaft and scrambler, effectively improve the precision of lathe, saved material cost and set-up time.
The technical solution adopted in the present invention is: encoder for bearing-free digital control machine tool main axle of the present invention comprises fixed part and rotating part; Fixed part is made of main body and housing, housing is by gib screw and main body Joint, main body is provided with nut, be used for main body is fixed on lathe, the photoelectricity recognizer is fixed on the main body by pcb board, the outside of housing is provided with the outlet sheath, is provided with cable in the outlet sheath, and cable is connected with the photoelectricity recognizer; Rotating part is made of main shaft, and main shaft is coupling by left oil sealing and right oil sealing and main body, and main shaft is provided with code-disc, main shaft axially be a lathe axis hole, the lathe rotating shaft is with located therein.
The port that described main body is connected with lathe is the nose seam.
The port that described main body is connected with lathe is recessed end seam.
Good effect of the present invention is as follows: can be when this scrambler is installed, improved the precision of machine tool chief axis, simultaneously, owing to omitted annexes such as belt and belt pulley, the mean free error time of machine-tool spindle system and the serviceable life of scrambler have been prolonged widely, reduce cost increase and loss of significance that annex brings, reduced failure rate.
Description of drawings
Fig. 1 is a sectional structure chart of the present invention
Fig. 2 is Fig. 1 side-looking structural drawing
Fig. 3 is the binding figure of the present invention and lathe
Among the figure: 1 main body, 2 housings, 3 main shafts
4 code-discs, 5 gib screws, 6 cables
7 outlet sheaths, 6 pcb boards, 9 photoelectricity recognizers
10 right oil sealing 11 left oil sealing 12 nuts
The 15 lathe rotating shafts of 13 lathes, 14 lathe axis holes
16 nose seams, 17 recessed end seams
Embodiment
Shown in Figure 2 as Fig. 1, encoder for bearing-free digital control machine tool main axle of the present invention comprises fixed part and rotating part; Fixed part is made of main body 1 and housing 2, housing 2 is by gib screw 5 and main body 1 Joint, main body 1 is provided with nut 12, be used for main body 1 is fixed on (see figure 3) on the lathe 13, photoelectricity recognizer 9 is fixed on the main body 1 by pcb board 8, the outside of housing 2 is provided with outlet sheath 7, is provided with cable 6 in the outlet sheath 7, and cable 6 is connected with photoelectricity recognizer 9; Rotating part is made of main shaft 3, and main shaft 3 is coupling by left oil sealing 11 and right oil sealing 10 and main body 1, and main shaft 3 is provided with code-disc 4, main shaft 3 axially be a lathe axis hole 14, lathe rotating shaft 15 is with located therein.
The port that described main body 1 is connected with lathe 13 is a nose seam 16, and when main body 1 is fixed on the lathe 13, nose seam 16 will embed in the position of corresponding indent on the lathe 13.(seeing Fig. 3 A)
The port that described main body 1 is connected with lathe 13 is recessed end seam 17, and when main body 1 is fixed on the lathe 13, recessed end seam 16 will be embedded on the position of corresponding evagination on the lathe 13.(seeing Fig. 3 B)
During use, lathe rotating shaft and main shaft synchronous operation, the code-disc on the main shaft (moving grating) running is thereupon whenever circled, and the photoelectricity recognizer on the main body (quiet grating) will write down operation information one time, so the operation information of lathe rotating shaft all be noted.
Claims (3)
1. encoder for bearing-free digital control machine tool main axle, it is characterized in that: encoder for bearing-free digital control machine tool main axle of the present invention comprises fixed part and rotating part; Fixed part is made of main body and housing, and housing is by gib screw and main body Joint, and main body is provided with nut, the photoelectricity recognizer is fixed on the main body by pcb board, the outside of housing is provided with the outlet sheath, is provided with cable in the outlet sheath, and cable is connected with the photoelectricity recognizer; Rotating part is made of main shaft, and main shaft is coupling by left oil sealing and right oil sealing and main body, and main shaft is provided with code-disc, main shaft axially be a lathe axis hole.
2. encoder for bearing-free digital control machine tool main axle according to claim 1 is characterized in that: the port that described main body is connected with lathe is the nose seam.
3. encoder for bearing-free digital control machine tool main axle according to claim 1 is characterized in that: the port that described main body is connected with lathe is recessed end seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101163976A CN101149274B (en) | 2006-09-22 | 2006-09-22 | Encoder for bearing-free digital control machine tool main axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101163976A CN101149274B (en) | 2006-09-22 | 2006-09-22 | Encoder for bearing-free digital control machine tool main axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101149274A true CN101149274A (en) | 2008-03-26 |
| CN101149274B CN101149274B (en) | 2010-11-03 |
Family
ID=39249907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101163976A Expired - Fee Related CN101149274B (en) | 2006-09-22 | 2006-09-22 | Encoder for bearing-free digital control machine tool main axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101149274B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380800A (en) * | 2010-09-06 | 2012-03-21 | 无锡瑞茂光电科技有限公司 | Siamesed mainshaft encoder |
| CN107941252A (en) * | 2017-12-28 | 2018-04-20 | 长春禹衡光学有限公司 | A kind of grating angle encoder |
| CN112179385A (en) * | 2020-09-24 | 2021-01-05 | 长春荣德光学有限公司 | Encoder with ultrathin integral structure and elastic connector |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2154459Y (en) * | 1991-09-26 | 1994-01-26 | 国营湖北华中精密仪器厂 | Straight shift sensor for rolling grating |
| CN2587565Y (en) * | 2002-11-22 | 2003-11-26 | 杭州西湖台钻有限公司 | Mainshaft box for threading/drilling two-purpose machine |
| CN2663923Y (en) * | 2003-10-13 | 2004-12-15 | 潘新忠 | High-precision grating encoder |
| JP3987498B2 (en) * | 2004-02-03 | 2007-10-10 | ファナック株式会社 | Monitor device |
| CN1719708A (en) * | 2005-06-08 | 2006-01-11 | 贵州长征电器股份有限公司 | Method for detecting tap position of high-voltage tap changer by rotary coder |
-
2006
- 2006-09-22 CN CN2006101163976A patent/CN101149274B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380800A (en) * | 2010-09-06 | 2012-03-21 | 无锡瑞茂光电科技有限公司 | Siamesed mainshaft encoder |
| CN107941252A (en) * | 2017-12-28 | 2018-04-20 | 长春禹衡光学有限公司 | A kind of grating angle encoder |
| CN112179385A (en) * | 2020-09-24 | 2021-01-05 | 长春荣德光学有限公司 | Encoder with ultrathin integral structure and elastic connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101149274B (en) | 2010-11-03 |
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Granted publication date: 20101103 Termination date: 20200922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |