CN202292266U - Ram deflection compensation device for large numerical control floor type boring and milling machine - Google Patents
Ram deflection compensation device for large numerical control floor type boring and milling machine Download PDFInfo
- Publication number
- CN202292266U CN202292266U CN2011203865128U CN201120386512U CN202292266U CN 202292266 U CN202292266 U CN 202292266U CN 2011203865128 U CN2011203865128 U CN 2011203865128U CN 201120386512 U CN201120386512 U CN 201120386512U CN 202292266 U CN202292266 U CN 202292266U
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- China
- Prior art keywords
- ram
- guide rail
- pressing plate
- slide block
- lead screw
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- Expired - Fee Related
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Abstract
The utility model relates to a ram deflection compensation device for a large numerical control floor type boring and milling machine, which belongs to the field of mechanical equipment and comprises a guide rail (3) installed on a main shaft box (2), a pressing plate (9) installed on a ram (1), and a rolling wheel (4) installed on a connecting seat (5) and matched with the guide rail (3) in a rolling mode. One end of a lead screw pair (12) is installed on the pressing plate (9), the other end of the lead screw pair is installed on a sliding block (8), and the connecting seat (5) and the sliding block (8) are integrated through a screw (6) and a spring (7). When the ram (1) stretches out and draws back, the pressing plate (9) and the sliding block (8) enable the rolling wheel (4) to be in motion along the guide rail (3).
Description
Technical field
The utility model relates to a kind of large-sized numerical control floor type boring and milling machine ram flexibility compensating device, belongs to the plant equipment field.
Background technology
Become the cantilever beam state because large-sized numerical control floor type boring and milling machine main shaft ram stretches out the back 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 influence lathe.
Summary of the invention
The purpose of the utility model is exactly to stretch out the downward deflection problem that the back exists 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; Produce the ram amount of deflection that distortion causes because center of gravity changes the guideway that causes ram and main spindle box, and let ram reach preset control precision, thereby guarantee machine finish.
For the technical scheme that realizes above-mentioned purpose 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) and upward and with guide rail (3) rolling cooperates; 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), fuses Connection Block (5) and slide block (8) through screw (6) and spring (7);
Through the pretightning force that spring (7) applies, the weight that makes ram (1) compensates ram (1) amount of deflection on guide rail (3); Under ram (1) front end installation accessories state, drive belt gear (10) and lead screw pair (12) through motor (11), let slide block (8) impetus be in ram (1) position of centre of gravity all the time.
After adopting technique scheme, when ram stretched out from main spindle box, the roller of this compensation arrangement was along with ram rolls on its guide rail.In the process of ram movement, apply pretightning force through spring, ram centre-of gravity shift is compensated automatically in good time; Make the weight of ram act on the guide rail all the time; 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 is after can being discerned annex head kind by sense switch, through 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 reach together 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 guarantees the accuracy of this compensation arrangement, finally reaches the purpose that under different machining states, all can obtain higher processing precision.This device has installation, debugging is easy, and can adjust 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 the utility model large-sized numerical control floor type boring and milling machine ram flexibility compensating device.
Fig. 2 is the structural representation of P direction shown in Figure 1.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further to detail.
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, and 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, fuses through 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 through this compensation arrangement.If at ram front end installation accessories, the ram amount of deflection will increase.At this moment then need finely tune, so in device, be provided with the guiding mechanism of forming by motor, belt gear, lead screw pair to ram deflection compensation value.Just can compensate ram amount of deflection variation through regulating guiding mechanism because of causing behind the ram front end installation accessories.
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, fuses Connection Block 5 and slide block 8 through screw 6 and spring 7.
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 through pressing plate 9 and slide block 8.In this process, roller 4 moves along guide rail 3, and through the pretightning force that spring 7 applies, the weight that makes ram 1 guarantees in its motion process that on guide rail 3 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, and ram amount of deflection aggravation this moment can drive belt gear 10 and lead screw pair 12 through motor 11; Slide block 8 is moved forward and backward along the leading screw direction; Connection Block 5 and roller 4 also reach thereupon guarantee that the impetus of slide block is in the ram position of centre of gravity all the time, realize 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), and roller (4) is installed in Connection Block (5) and upward and with guide rail (3) rolling cooperates, and an end of lead screw pair (12) is installed on the pressing plate (9); The other end is installed on the slide block (8), fuses Connection Block (5) and slide block (8) through screw (6) and spring (7);
Through the pretightning force that spring (7) applies, the weight that makes ram (1) compensates ram (1) amount of deflection on guide rail (3); Under ram (1) front end installation accessories state, drive belt gear (10) and lead screw pair (12) through motor (11), let slide block (8) impetus be in ram (1) position of centre of gravity all the time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203865128U CN202292266U (en) | 2011-10-12 | 2011-10-12 | Ram deflection compensation device for large numerical control floor type boring and milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203865128U CN202292266U (en) | 2011-10-12 | 2011-10-12 | Ram deflection compensation device for large numerical control floor type boring and milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202292266U true CN202292266U (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203865128U Expired - Fee Related CN202292266U (en) | 2011-10-12 | 2011-10-12 | Ram deflection compensation device for large numerical control floor type boring and milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202292266U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398190A (en) * | 2011-10-12 | 2012-04-04 | 沈机集团昆明机床股份有限公司 | Large numerical control floor type boring and milling machine ram deflection compensating device |
| CN104723162A (en) * | 2015-01-15 | 2015-06-24 | 沈阳理工大学 | Spring deformation compensation method |
| CN107081632A (en) * | 2017-04-26 | 2017-08-22 | 广西大学 | A kind of compensation mechanism applied to milling-boring machine gravity of ram off-load |
-
2011
- 2011-10-12 CN CN2011203865128U patent/CN202292266U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398190A (en) * | 2011-10-12 | 2012-04-04 | 沈机集团昆明机床股份有限公司 | Large numerical control floor type boring and milling machine ram deflection compensating device |
| CN102398190B (en) * | 2011-10-12 | 2013-10-16 | 沈机集团昆明机床股份有限公司 | Large numerical control floor type boring and milling machine ram deflection compensating device |
| CN104723162A (en) * | 2015-01-15 | 2015-06-24 | 沈阳理工大学 | Spring deformation compensation method |
| CN107081632A (en) * | 2017-04-26 | 2017-08-22 | 广西大学 | A kind of compensation mechanism applied to milling-boring machine gravity of ram off-load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20141012 |
|
| EXPY | Termination of patent right or utility model |