CN203566178U - Numerical control lathe for bright micro-nano mirror surfaces - Google Patents

Numerical control lathe for bright micro-nano mirror surfaces Download PDF

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Publication number
CN203566178U
CN203566178U CN201320578667.0U CN201320578667U CN203566178U CN 203566178 U CN203566178 U CN 203566178U CN 201320578667 U CN201320578667 U CN 201320578667U CN 203566178 U CN203566178 U CN 203566178U
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China
Prior art keywords
tailstock
lathe
case
screw
ball
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Expired - Fee Related
Application number
CN201320578667.0U
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Chinese (zh)
Inventor
寇书军
姚琪
张炜
王爱群
李聚兵
赵峥
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Machinery Science and Technology Ltd. of Luoyang Cherry
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Superfinishing Mould Machinery Co Ltd Of Luoyang Cherry
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Abstract

A numerical control lathe for bright micro-nano mirror surfaces comprises a lathe body used for machining operation, a clamping device for clamping workpieces and a servo cutter tower used for mirror surface cutting. The numerical control lathe can lower machining errors, effectively guarantee precision of the micro-nano mirror surfaces machined on the surfaces of the workpieces, and lower the number of wastes and defective goods.

Description

A kind of numerical control micro-nano minute surface light lathe
[technical field]
The utility model relates to metal surface mirror finish apparatus field, especially relates to a kind of numerical control minute surface lathe that can process in metal surface the bright mirror surface with micro-nano mirror surface accuracy.
[background technology]
Known, numerical control minute surface lathe refers to the automation mirror finish lathe that program control system is installed, and it is a kind of typical electromechanical integrated product; Meanwhile, mirror-finish cutting, also claims that bright turned is a kind of special, expensive and extremely exquisite processing technology; It is generally acknowledged, the surface characteristics of mirror-finish cutting is exactly workpiece surface roughness Ra≤0.05 μ m, with respect to other the molded line deviation < 0.125 μ m/ 25mm of geometric profile, this molded line deviation comprises surface roughness, waviness and form error, wherein, due to most non-ferrous metal, if copper, aluminium and ferroalloy etc. are to reach high-quality and visual brightness effect with common method for grinding, therefore, it can only adopt mirror-finish cutting to complete; Yet, because traditional mirror finish technique lacks repeatability and accuracy, especially when those requirements of processing reach the non-ferrous metals such as brass, copper or aluminium surperficial of decorative effect, the secondary operations that need to carry out follow-up grinding and polishing toward contact while applying traditional lathe processing, therefore, while applying traditional lathe and processing technology, very easily on the minute surface processing, leave the visible turning vestige of vision and in disorder outline line; In addition, the lathe bed of existing minute surface lathe easily produces judder in process, thereby the phenomenon that causes clamping shakiness occurs, this not only makes the clamping position of workpiece very easily be subject to crushing or wearing and tearing in various degree, but also can have influence on the dynamics of processing, light cause the minute surface processing to occur trueness error, heavy also likely cause the damage of cutter, these factors have all caused existing minute surface lathe when processing work surface, to have micro-nano mirror surface accuracy less stable, yield and quality is lower, the defect that percent defective is higher.
[summary of the invention]
In order to overcome the deficiency in background technology, the utility model discloses a kind of numerical control micro-nano minute surface light lathe, described lathe not only can reduce mismachining tolerance, the precision of the micro-nano minute surface that effective guarantee processes at surface of the work, and reduce quantity useless, substandard products, but also can under the prerequisite that meets repeatable and accuracy requirement, not need to carry out again follow-up secondary operations.
For achieving the above object, the utility model adopts following technical scheme:
A numerical control micro-nano minute surface light lathe, described lathe comprises lathe bed, clamping device and servo turret; Described lathe bed is that the upper side of this box lathe bed is equipped with marble slab, and is provided with one deck Rubber shock-absorbing pad between marble slab and box lathe bed by the box-structure of senior Meehanite cast iron material monolithic casting;
Described clamping device comprises front top and rear tailstock; Described front top top case, top dynamic pressure fluid bearing, top main shaft and the servomotor of comprising; Described top case is fixedly mounted on a side of lathe upper side; It is inner that described top main shaft is arranged on top case by top dynamic pressure fluid bearing, and the tip distal process of top main shaft goes out the tank wall of the corresponding lathe of top case middle part one side, the electric machine main shaft interlock of the other end of top main shaft and servomotor; Described rear tailstock comprises tailstock case, tailstock centre axle, tailstock dynamic pressure fluid bearing and clutch; Described tailstock case is slidably connected with the ball-screw guide rail that is fixed on lathe upper side by being connected to the tailstock installing plate of this case bottom, the bottom, one end at the corresponding lathe of this tailstock installing plate middle part is provided with the screw slider being connected with ball-screw guide rail, and the corresponding ball-screw guide rail in other end bottom of tailstock installing plate is provided with tailstock locker; It is inner that described tailstock centre axle is arranged on tailstock case by tailstock dynamic pressure fluid bearing, the tip distal process of tailstock centre axle goes out the tank wall of the corresponding lathe of tailstock case middle part one side, and corresponding with the tip end of top main shaft, the other end of tailstock centre axle is connected with the clutch being fixed in tailstock case by clutch bearing;
Described servo turret comprises planker, ball-screw, hydraulic pressure guide rail, hydraulic pressure slide block, knife rest and cutter; Described planker bottom is slidably connected with the lathe leading screw that is arranged on lathe upper side, and planker top is fixed with lathe leading screw and is cross-shaped ball-screw, and the both sides of corresponding ball-screw are fixed with respectively a hydraulic pressure guide rail; The two described hydraulic pressure guide rails clamping one hydraulic pressure slide block that jointly slides, middle part and the ball-screw of this hydraulic pressure slide block are slidably connected, and in the upper side of hydraulic pressure slide block, are fixed with the knife rest that Natural Diamond Tools is installed.
Described numerical control micro-nano minute surface light lathe, described tailstock case bottom is provided with height adjuster.
Described numerical control micro-nano minute surface light lathe, is provided with oil sealing between described tailstock centre axle axle body and tailstock case tank wall.
Described numerical control micro-nano minute surface light lathe, described ball-screw guide rail is hydraulic track.
Owing to adopting technical scheme as above, the utlity model has following beneficial effect:
Numerical control micro-nano minute surface light lathe described in the utility model adopts Natural Diamond Tools to carry out the processing of surface of the work pressure polishing, and utilize metal in the feature of the cold plasticity of normal temperature state, by cutter, push surface of the work is applied to certain pressure, make workpiece surface metal produce Plastic Flow, be filled in original residual indentation trough, thereby surface of the work roughness value is reduced; Due to the top layer metal plastic deformation being extruded, textura epidermoidea's cold hardening and crystal grain are attenuated, form the fibrous of densification, and form residual stress layer, thereby improved hardness, intensity and improved wearability, corrosion resistance and the conformability of surface of the work, reached two kinds of objects of polishing processing and strengthening simultaneously; Described lathe not only can reduce mismachining tolerance, reduce quantity useless, substandard products, but also can under the prerequisite that meets repeatable and accuracy requirement, not need to carry out again follow-up secondary operations, thereby can not produce polishing or grinding-material to the pollution of environment and the waste product waste that causes because reducing surface quality, can also omit time-consuming, effort, expense cost recovery processing measure because fault in material or finished surface defect need.
[accompanying drawing explanation]
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is front top generalized section in the utility model;
Fig. 3 is the generalized section of tailstock centre in the utility model;
Fig. 4 is the generalized section of servo turret in the utility model.
In figure: 1, lathe bed; 2, servo turret; 3, front top; 4, rear tailstock; 5, top case; 6, top dynamic pressure fluid bearing; 7, top main shaft; 8, servomotor; 9, electric machine main shaft; 10, tailstock case; 11, tailstock centre axle; 12, tailstock dynamic pressure fluid bearing; 13, clutch; 14, tailstock installing plate; 15, ball-screw guide rail; 16, screw slider; 17, tailstock locker; 18, clutch bearing; 19, height adjuster; 20, planker; 21, lathe leading screw; 22, ball-screw; 23, hydraulic pressure guide rail; 24, hydraulic pressure slide block; 25, knife rest; 26, cutter; 27, workpiece.
[specific embodiment]
By the following examples, can explain in more detail the present invention, open the purpose of this utility model is intended to protect all changes and improvements within the scope of the utility model, and the utility model is not limited to the following examples:
By reference to the accompanying drawings 1, described numerical control micro-nano minute surface light lathe comprises lathe bed 1, clamping device and servo turret 2, the described body of lathe bed 1 adopts the one-time formed box-structure by senior Meehanite cast iron material casting, upper side at this box lathe bed 1 is equipped with the identical corresponding marble slab of size, and between marble slab and box lathe bed 1, being equipped with one deck can effectively avoid marble slab and box lathe bed 1 that the Rubber shock-absorbing pad of rigid friction occurs, described lathe takes full advantage of shock-absorbing and the heat-staple characteristic of marble slab self, thereby efficiently solve, puzzlement numerical control minute surface lathe lathe bed for many years vibrates and a difficult problem for heat endurance, effectively solved the stability requirement of the needed machine tool motion system of numerical control minute surface lathe, for solid foundation has been established in described lathe operation,
By reference to the accompanying drawings 1 and 2, described clamping device consists of front top 3 and the rear tailstock 4 that are arranged on lathe upper side both sides, front top 3 and rear tailstock 4 by lathe upper side both sides clamps the two ends of workpiece to be processed 27, thereby guarantees that workpiece 27 is in the stability of the process of processing; Described front top 3 comprise top case 5, top dynamic pressure fluid bearing 6, top main shaft 7 and servomotor 8; Described top case 5 is fixedly mounted on a side of lathe upper side; Described top main shaft 7 is arranged on top case 5 inside by top dynamic pressure fluid bearing 6, and the tip distal process of top main shaft 7 goes out the tank wall of the corresponding lathe of top case 5 middle part one side, thereby reaches the object of effective top folder workpiece 27 respective end; Electric machine main shaft 9 interlocks of the other end of top main shaft 7 and servomotor 8, drive the rotating object of top main shaft 7 thereby reach by servomotor 8;
By reference to the accompanying drawings 1 and 3, described rear tailstock 4 comprises tailstock case 10, tailstock centre axle 11, tailstock dynamic pressure fluid bearing 12 and clutch 13; Described tailstock case 10 is slidably connected with the ball-screw guide rail 15 that is fixed on lathe upper side by being connected to the tailstock installing plate 14 of this case bottom, thereby reaches the object of carrying out effective holding workpiece 27 by the distance between tailstock after slidable adjustment 4 and front top 3; For ease of tailstock 4 after easily sliding, the bottom, one end at the corresponding lathe of described tailstock installing plate 14 middle part is provided with the screw slider 16 being connected with ball-screw guide rail 15, for ease of locking rear tailstock 4 and preventing that the workpiece 27 in process from beating, in the other end bottom of tailstock installing plate 14, corresponding ball-screw guide rail 15 is provided with tailstock locker 17, when after after tailstock 4 and front top 3 stable holding workpiece 27, can ensure the stable of rear tailstock 4 and workpiece 27 by locking tailstock locker 17;
Described tailstock centre axle 11 is arranged on tailstock case 10 inside by tailstock dynamic pressure fluid bearing 12, the tip distal process of tailstock centre axle 11 goes out the tank wall of the corresponding lathe of tailstock case 10 middle part one side, and corresponding with the tip end of top main shaft 7, thus reached can effectively utilize front top 3 and rear tailstock 4 carry out the object of holding workpiece 27; Between described tailstock centre axle 11 axle bodies and tailstock case 10 tank walls, be provided with oil sealing; The other end of tailstock centre axle 11 is connected with the clutch 13 being fixed in tailstock case 10 by clutch bearing 18, can accurately control rear tailstock 4 by clutch 13 and coordinate with front top 3 the operation that clamps and unclamp workpiece, thereby reach the loss from spoilage that effective minimizing causes because of positional precision error; Described tailstock case 10 bottoms are provided with height adjuster 19, thereby reached the height that utilizes height adjuster 19 accurately to regulate rear tailstock 4, make center and the tailstock centre Zhou11 center of top main shaft 7 contour, so effective guarantee rear tailstock 4 can be accurately the object of holding workpiece 27 firmly; In addition, in described clamping device, adopt top dynamic pressure fluid bearing 6 and tailstock dynamic pressure fluid bearing 12 to support top main shaft 7 and tailstock centre axle 11 is in order to solve the deformation-compensated problem of temperature rise of axle, and these dynamic pressure fluid bearings are except being applicable to the turning of 5000rpm high speed and precision, and it can also bear the important task of slow cutting; In addition, described ball-screw guide rail 15 adopts and can utilize hydraulic coupling automatic compensation function effectively to prevent the hydraulic track of contact-impact between screw slider 16 and ball-screw guide rail 15, thereby effectively reduces the unexpected damage colliding;
Described clamping device employing front top 3 and the clamp structure of rear tailstock 4, and carry out degree of tightness control by tailstock 4 after 13 pairs, clutch, thereby reached clamped one time and just can complete the object of whole process operations, this has not only effectively been avoided workpiece 27 in process, to occur beating, greatly reduce the loss from spoilage causing because of positional precision error, but also reached by adjusting machined parameters, met the minute surface dimensional accuracy of surface of the work and the object of surface roughness;
By reference to the accompanying drawings 1 and 4, described servo turret 2 comprises planker 20, ball-screw 22, dynamic pressure hydraulic pressure guide rail 23, hydraulic pressure slide block 24, knife rest 25 and cutter 26, described planker 20 bottoms are slidably connected with the lathe leading screw 21 that is arranged on lathe upper side, thereby are convenient to adding man-hour by lathe leading screw 21 drive servo turrets 2 moving axially along workpiece 27, planker 20 tops are fixed be cross-shaped ball-screw 22 corresponding to lathe leading screw 21, in the both sides of the corresponding ball-screw 22 of planker 20 upper side, be fixed with respectively a dynamic pressure hydraulic pressure guide rail 23 simultaneously, the common clamping one hydraulic pressure slide block 24 that slides of these two dynamic pressure hydraulic pressure guide rails 23, the middle part of this hydraulic pressure slide block 24 and ball-screw 22 are slidably connected, and the upper side at hydraulic pressure slide block 24 is fixed with the knife rest 25 that Natural Diamond Tools 26 is installed, described knife rest 25 can moving with cutter 26 moving radially along workpiece 27 on dynamic pressure hydraulic pressure guide rail 23 by hydraulic pressure slide block 24, thereby reach the object that can make cutter 26 suitably contact with the outer surface of workpiece 27 at any time in process, and then the error of workpiece 27 mirror surface accuracies that process is obviously reduced, effectively reduced the quantity of waster, accordingly for user has increased economic well-being of workers and staff.
While implementing numerical control micro-nano minute surface light lathe described in the utility model, first by rear tailstock 3 and front top 5, workpiece to be processed 27 is clamped, restart servomotor 8 drive motor main shafts 9, start clutch 13 simultaneously and guarantee that workpiece to be processed 27 can accurately locate in process, and utilize tailstock locker 17 by 4 lockings of rear tailstock, guarantee that workpiece 27 do not beat; Then shift servo cutter tower 2, the slip by hydraulic pressure slide block 24 between dynamic pressure hydraulic pressure guide rail 23 and ball-screw 22 makes point of a knife and the workpiece 27 corresponding contacts in surface of cutter 26, thus the mirror finish of realization to workpiece 27.
The utility model does not describe part in detail for prior art, therefore the utility model is not described in detail.

Claims (4)

1. numerical control micro-nano minute surface light lathe, described lathe comprises lathe bed (1), clamping device and servo turret (2), it is characterized in that: the box-structure of described lathe bed (1) for being cast by Meehanite cast iron material monolithic, the upper side of this box lathe bed (1) is equipped with marble slab, and is provided with one deck Rubber shock-absorbing pad between marble slab and box lathe bed (1);
Described clamping device comprises front top (3) and rear tailstock (4); Described front top (3) comprise top case (5), top dynamic pressure fluid bearing (6), top main shaft (7) and servomotor (8); Described top case (5) is fixedly mounted on a side of lathe upper side; Described top main shaft (7) is arranged on top case (5) inside by top dynamic pressure fluid bearing (6), and the tip distal process of top main shaft (7) goes out the tank wall of the corresponding lathe of top case (5) middle part one side, electric machine main shaft (9) interlock of the other end of top main shaft (7) and servomotor (8); Described rear tailstock (4) comprises tailstock case (10), tailstock centre axle (11), tailstock dynamic pressure fluid bearing (12) and clutch (13); Described tailstock case (10) is slidably connected with the ball-screw guide rail (15) that is fixed on lathe upper side by being connected to the tailstock installing plate (14) of this case bottom, the bottom, one end at the corresponding lathe of this tailstock installing plate (14) middle part is provided with the screw slider (16) being connected with ball-screw guide rail (15), and the other end corresponding ball-screw guide rail in bottom (15) of tailstock installing plate (14) is provided with tailstock locker (17); Described tailstock centre axle (11) is arranged on tailstock case (10) inside by tailstock dynamic pressure fluid bearing (12), the tip distal process of tailstock centre axle (11) goes out the tank wall of the corresponding lathe of tailstock case (10) middle part one side, and corresponding with the tip end of top main shaft (7), the other end of tailstock centre axle (11) is connected with the clutch (13) be fixed on tailstock case (10) by clutch bearing (18) in;
Described servo turret (2) comprises planker (20), ball-screw (22), hydraulic pressure guide rail (23), hydraulic pressure slide block (24), knife rest (25) and cutter (26); Described planker (20) bottom is slidably connected with the lathe leading screw (21) that is arranged on lathe upper side, planker (20) top is fixed with and correspondingly with lathe leading screw (21) is cross-shaped ball-screw (22), and the both sides of corresponding ball-screw (22) are fixed with respectively a hydraulic pressure guide rail (23); The common clamping one hydraulic pressure slide block (24) that slides of two described hydraulic pressure guide rails (23), the middle part of this hydraulic pressure slide block (24) and ball-screw (22) are slidably connected, and in the upper side of hydraulic pressure slide block (24), are fixed with the knife rest (25) that Natural Diamond Tools (26) are installed.
2. numerical control micro-nano minute surface light lathe according to claim 1, is characterized in that: described tailstock case (10) bottom is provided with height adjuster (19).
3. numerical control micro-nano minute surface light lathe according to claim 1, is characterized in that: between described tailstock centre axle (11) axle body and tailstock case (10) tank wall, be provided with oil sealing.
4. numerical control micro-nano minute surface light lathe according to claim 1, is characterized in that: described ball-screw guide rail (15) is hydraulic track.
CN201320578667.0U 2013-09-18 2013-09-18 Numerical control lathe for bright micro-nano mirror surfaces Expired - Fee Related CN203566178U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103521788A (en) * 2013-09-18 2014-01-22 洛阳奇瑞超精模具机械有限公司 Numerical control micro-nano bright mirror surface lathe and application thereof
CN110421185A (en) * 2019-08-27 2019-11-08 汤玉军 A kind of reversible positioning mechanism of automobile multi-diameter shaft processing
CN111953159A (en) * 2020-08-14 2020-11-17 浙江震环数控机床股份有限公司 Motor casing machining equipment and using method thereof
CN117644217A (en) * 2024-01-29 2024-03-05 山东豪迈精密机械有限公司 Digit control machine tool clamping device and digit control machine tool

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103521788A (en) * 2013-09-18 2014-01-22 洛阳奇瑞超精模具机械有限公司 Numerical control micro-nano bright mirror surface lathe and application thereof
CN110421185A (en) * 2019-08-27 2019-11-08 汤玉军 A kind of reversible positioning mechanism of automobile multi-diameter shaft processing
CN111953159A (en) * 2020-08-14 2020-11-17 浙江震环数控机床股份有限公司 Motor casing machining equipment and using method thereof
CN111953159B (en) * 2020-08-14 2021-08-17 浙江震环数控机床股份有限公司 Conical motor casing processing equipment and using method thereof
CN117644217A (en) * 2024-01-29 2024-03-05 山东豪迈精密机械有限公司 Digit control machine tool clamping device and digit control machine tool

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: LUOYANG QIRUI MACHINERY TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: LUOYANG QIRUI SUPERFINISHING MOLD MACHINERY CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 471003 A6/01 factory building, torch garden, Luo Nan Road, hi tech Development Zone, Henan, Luoyang

Patentee after: Machinery Science and Technology Ltd. of Luoyang Cherry

Address before: 471003 A6/01 factory building, torch garden, Luo Nan Road, hi tech Development Zone, Henan, Luoyang

Patentee before: Superfinishing mould Machinery Co., Ltd. of Luoyang Cherry

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140430

Termination date: 20170918