CN102398190B - Large numerical control floor type boring and milling machine ram deflection compensating device - Google Patents
Large numerical control floor type boring and milling machine ram deflection compensating device Download PDFInfo
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- CN102398190B CN102398190B CN 201110307711 CN201110307711A CN102398190B CN 102398190 B CN102398190 B CN 102398190B CN 201110307711 CN201110307711 CN 201110307711 CN 201110307711 A CN201110307711 A CN 201110307711A CN 102398190 B CN102398190 B CN 102398190B
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- ram
- guide rail
- slide block
- pressing plate
- spring
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Abstract
The invention relates to a large numerical control floor type boring and milling machine ram deflection compensating device, which belongs to the field of mechanical equipment, and comprises a guide rail (3) arranged on a spindle box (2), a pressing plate (9) arranged on a ram (1), and an idler wheel (4) arranged on a connecting seat (5) and matched with the guide rail (3) in a rolling way. One end of a screwpair (12) is arranged on the pressing plate (9), the other end of the screwpair (12) is arranged on a slide block (8), and the connecting seat (5) is connected with the slide block (8) into a whole through a screw (6) and a spring (7). When the ram (1) is stretched out and drawn back, the pressing plate (9) and the slide block (8) drive the idler wheel (4) to move along the guide rail(3). The device has the characteristics of simplicity and convenience in installing and debugging, compensation dosage adjustment in time, and the like, so that the device is economical and practical, and has low investment cost and high promotional value.
Description
Technical field
The present invention relates to a kind of large-sized numerical control floor type boring and milling machine ram flexibility compensating device, belong to the plant equipment field.
Background technology
Because large-sized numerical control floor type boring and milling machine Chief axis stretches out rear one-tenth cantilever beam state from main spindle box, the reach of ram center of gravity makes the guideway of ram and main spindle box produce distortion, finally causes the downward deflection of ram extension, produces amount of deflection.In the case, if ram front end installation accessories, the ram amount of deflection will increase.Therefore ram stretches out geometric accuracy and the machining accuracy that the amount of deflection error that produces behind the main spindle box will directly affect lathe.
Summary of the invention
Purpose of the present invention is exactly the downward deflection problem of stretching out rear existence in order to overcome existing large-sized numerical control floor type boring and milling machine ram from main spindle box, invent a kind of large-sized numerical control floor type boring and milling machine ram flexibility compensating device, it can compensate because of after ram stretches out main spindle box, because gravity center shift causes the guideway of ram and main spindle box and produces the ram amount of deflection that distortion causes, and allow ram reach predetermined control accuracy, thereby guarantee machine finish.
Technical scheme for achieving the above object is: large-sized numerical control floor type boring and milling machine ram flexibility compensating device comprises guide rail (3), roller (4), Connection Block (5), spring (7), slide block (8), pressing plate (9), belt gear (10), motor (11), lead screw pair (12), guide rail (3) level is installed on the milling-boring machine main spindle box (2), pressing plate (9) is installed on the ram (1), roller (4) is installed in Connection Block (5) upward and cooperates with guide rail (3) rolling, one end of lead screw pair (12) is installed on the pressing plate (9), the other end is installed on the slide block (8), by screw (6) and spring (7) Connection Block (5) is connected with slide block (8);
By the pretightning force that spring (7) applies, the weight of ram (1) is acted on the guide rail (3), compensation ram (1) amount of deflection; Under ram (1) front end installation accessories state, drive belt gear (10) and lead screw pair (12) by motor (11), allow slide block (8) impetus be in all the time ram (1) position of centre of gravity.
After adopting technique scheme, when ram stretched out from main spindle box, the roller of this compensation arrangement was along with ram rolls at its guide rail.In the process of ram movement, apply pretightning force by spring, ram centre-of gravity shift is carried out auto-compensation in good time, make the weight of ram act on all the time on the guide rail, guarantee ram in motion process, the guideway of ram and main spindle box does not produce distortion, thereby has compensated the amount of deflection that ram produces.When the ram front end is installed the annex of Different Weight, the center of gravity of ram changes reach, ram amount of deflection aggravation this moment, after can being identified the accessory head kind by sense switch, by the electrical control drive motors and drive belt gear and lead screw pair, make slide block move forward and backward (Connection Block and roller be together reach also) along the leading screw direction, the impetus that guarantees slide block is in the ram position of centre of gravity all the time, thereby guarantee the accuracy of this compensation arrangement, finally reach the purpose that under different machining states, all can obtain higher machining accuracy.
This device has installation, debugging is easy, and can adjust the characteristics such as compensation rate in good time, thereby economical and practical, and cost of investment is low, has promotional value.
Description of drawings
Fig. 1 is the structural representation of large-sized numerical control floor type boring and milling machine ram flexibility compensating device of the present invention.
Fig. 2 is the structural representation of P direction shown in Figure 1.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
Large-sized numerical control floor type boring and milling machine ram flexibility compensating device, comprise guide rail 3, roller 4, Connection Block 5, spring 7, slide block 8, pressing plate 9, belt gear 10, motor 11, lead screw pair 12, guide rail 3 levels are installed on the main spindle box 2, pressing plate 9 is installed on the ram 1, roller 4 is installed on the Connection Block 5 and with guide rail 3 rollings and cooperates, and roller 4 leans on the decrement of spring 7 to guarantee with the contact force of guide rail 1.One end of lead screw pair is installed on the pressing plate, and the other end is installed on the slide block, is connected by screw and spring handle Connection Block and slide block.Because ram became the cantilever beam state after ram stretched out main spindle box, deadweight causes the guideway of ram and main spindle box to produce distortion formation ram amount of deflection, just can address this problem by this compensation arrangement.If at ram front end installation accessories, the ram amount of deflection will increase.At this moment then need ram deflection compensation value is finely tuned, so in device, be provided with the guiding mechanism that is formed by motor, belt gear, lead screw pair.The ram amount of deflection that just can compensate because causing behind the ram front end installation accessories by the adjusting guiding mechanism changes.
One end of lead screw pair 12 is installed on the pressing plate 9, and the other end is installed on the slide block 8, by screw 6 and spring 7 Connection Block 5 and slide block 8 is connected.
When ram 1 stretches out from main spindle box 2, ram 1 will make roller 4 be synchronized with the movement at guide rail 3 and ram 1 by pressing plate 9 and slide block 8.In this process, roller 4 moves along guide rail 3, by the pretightning force that spring 7 applies, the weight of ram 1 is acted on the guide rail 3, guarantees that in its motion process the guideway of ram 1 and main spindle box 2 does not produce distortion, thus the amount of deflection that the compensation ram produces.When ram 1 front end installation accessories, the center of gravity of ram 1 changes reach, ram amount of deflection aggravation this moment, can drive belt gear 10 and lead screw pair 12 by motor 11, slide block 8 is moved forward and backward along the leading screw direction, Connection Block 5 and roller 4 be thereupon reach also, guarantees that the impetus of slide block is in the ram position of centre of gravity all the time, realizes the fine setting to compensation arrangement.Thereby guarantee the accuracy of this compensation arrangement, finally reach the purpose that promotes the ram precision.
Claims (1)
1. large-sized numerical control floor type boring and milling machine ram flexibility compensating device, it is characterized in that: it comprises guide rail (3), roller (4), Connection Block (5), spring (7), slide block (8), pressing plate (9), belt gear (10), motor (11), lead screw pair (12), guide rail (3) level is installed on the milling-boring machine main spindle box (2), pressing plate (9) is installed on the ram (1), roller (4) is installed in Connection Block (5) upward and cooperates with guide rail (3) rolling, one end of lead screw pair (12) is installed on the pressing plate (9), the other end is installed on the slide block (8), by screw (6) and spring (7) Connection Block (5) is connected with slide block (8);
By the pretightning force that spring (7) applies, the weight of ram (1) is acted on the guide rail (3), compensation ram (1) amount of deflection; Under ram (1) front end installation accessories state, drive belt gear (10) and lead screw pair (12) by motor (11), allow slide block (8) impetus be in all the time ram (1) position of centre of gravity;
Described roller (4) leans on the decrement of spring (7) to guarantee with the contact force of guide rail (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110307711 CN102398190B (en) | 2011-10-12 | 2011-10-12 | Large numerical control floor type boring and milling machine ram deflection compensating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110307711 CN102398190B (en) | 2011-10-12 | 2011-10-12 | Large numerical control floor type boring and milling machine ram deflection compensating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102398190A CN102398190A (en) | 2012-04-04 |
| CN102398190B true CN102398190B (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110307711 Expired - Fee Related CN102398190B (en) | 2011-10-12 | 2011-10-12 | Large numerical control floor type boring and milling machine ram deflection compensating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102398190B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104440402B (en) * | 2014-11-13 | 2016-09-07 | 齐齐哈尔二机床(集团)有限责任公司 | A kind of heavy type numerical control floor type boring and milling machine X-axis moves linearity compensation device and method |
| CN104551838B (en) * | 2015-01-15 | 2017-06-16 | 沈阳理工大学 | A kind of combined type camber of spring compensation device |
| CN107097104A (en) * | 2017-04-26 | 2017-08-29 | 广西大学 | A kind of compensation mechanism applied to milling-boring machine ram amount of deflection |
| CN107433454B (en) * | 2017-09-04 | 2023-06-30 | 沈机集团昆明机床股份有限公司 | Ram deflection compensation device of boring and milling machine and boring and milling machine |
| CN112548601A (en) * | 2019-09-10 | 2021-03-26 | 李佩玲 | Milling machine with ram maintaining mechanism |
| CN111730148A (en) * | 2020-07-30 | 2020-10-02 | 盐城恒发精密齿轮有限公司 | Helical gear hobbing circulation cooling device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3683744A (en) * | 1970-02-06 | 1972-08-15 | Werkzeug Mas Fab Adolf Waldric | Device for compensating the head weight on portal or cantilever type machine tools |
| US4487536A (en) * | 1981-07-15 | 1984-12-11 | Centre D'etudes Du Fraisage | Distributing device of the pressure exerted by a machine-tool carriage on its slides |
| CN201889675U (en) * | 2010-11-25 | 2011-07-06 | 天通吉成机器技术有限公司 | Gravity center follow-up balance compensation device for floor type boring and milling machine |
| CN201913498U (en) * | 2010-12-02 | 2011-08-03 | 田宝强 | Balance compensating device for square ram in spindle box of floor type boring and milling machine |
| CN202292266U (en) * | 2011-10-12 | 2012-07-04 | 沈机集团昆明机床股份有限公司 | Ram deflection compensation device for large numerical control floor type boring and milling machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1285079B1 (en) * | 1995-05-05 | 1998-06-03 | Giddings & Lewis | ACTUATOR SYSTEM FOR THE COMPENSATION OF THE ALIGNMENT OF A MACHINE. |
-
2011
- 2011-10-12 CN CN 201110307711 patent/CN102398190B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3683744A (en) * | 1970-02-06 | 1972-08-15 | Werkzeug Mas Fab Adolf Waldric | Device for compensating the head weight on portal or cantilever type machine tools |
| US4487536A (en) * | 1981-07-15 | 1984-12-11 | Centre D'etudes Du Fraisage | Distributing device of the pressure exerted by a machine-tool carriage on its slides |
| CN201889675U (en) * | 2010-11-25 | 2011-07-06 | 天通吉成机器技术有限公司 | Gravity center follow-up balance compensation device for floor type boring and milling machine |
| CN201913498U (en) * | 2010-12-02 | 2011-08-03 | 田宝强 | Balance compensating device for square ram in spindle box of floor type boring and milling machine |
| CN202292266U (en) * | 2011-10-12 | 2012-07-04 | 沈机集团昆明机床股份有限公司 | Ram deflection compensation device for large numerical control floor type boring and milling machine |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平9-19841A 1997.01.21 |
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| CN102398190A (en) | 2012-04-04 |
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Granted publication date: 20131016 Termination date: 20201012 |