CN102528521A - Two-gear type numerical control vertical lathe capable of driving electric gear shift gearbox by using variable frequency motor - Google Patents
Two-gear type numerical control vertical lathe capable of driving electric gear shift gearbox by using variable frequency motor Download PDFInfo
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- CN102528521A CN102528521A CN2012100104533A CN201210010453A CN102528521A CN 102528521 A CN102528521 A CN 102528521A CN 2012100104533 A CN2012100104533 A CN 2012100104533A CN 201210010453 A CN201210010453 A CN 201210010453A CN 102528521 A CN102528521 A CN 102528521A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to a two-gear type numerical control vertical lathe capable of driving an electric gear shift gearbox by using a variable frequency motor. The two-gear type numerical control vertical lathe comprises a base, a main shaft box, a chuck, a vertical column, a longitudinal feed shaft, a sliding base, a transverse feed shaft, a sliding plate capable of sliding along the sliding base right and left and a tool rest, and is characterized in that: the main shaft box is connected with the gearbox through a belt; a shaft I of the gearbox is connected with a main motor through a coupler; a transmission shaft I, a transmission shaft II and a transmission shaft III are arranged in the gearbox sequentially; a shaft gear is arranged on the transmission shaft I; a first input gearwheel and a first output pinion are arranged on the transmission shaft II sequentially; a second input pinion, a second input gearwheel and an output belt pulley are arranged on the transmission shaft III; the transmission shaft III is connected with the main shaft box through a belt pulley; and the upper end of the main shaft box is connected with the chuck. The lathe can meet different machining requirements of customers simultaneously; due to the adoption of the variable frequency motor and a self-control gearbox structure, the speed reduction cost is substantially reduced; the motor is used as power, so that a gear shift speed change structure is simple and reliable; and compared with a hydraulic gear shift structure, the structure has relatively low cost, high reliability and small occupied space.
Description
Technical field
The invention belongs to the numerically controlled lathe technical field, specifically is a kind of two retaining formula NC vertical lathes that drive electronic manual transmission with variable-frequency motor.
Background technology
Mostly existing NC vertical lathe is single main axle structure, and its power section structure has two kinds basically, a kind ofly directly holds in the palm main axis rotation for servomotor, another kind ofly joins decelerator for servomotor, and decelerator drives main axis rotation.Wherein servomotor directly asks the vertical lathe of main shaft form to be fit to domestic consumer; Servomotor is joined the user that the reducer structure vertical lathe is fit to the processing of part needs high pulling torque; But the decelerator reduction of speed is more immutable than fixing because of producer is different; Customizedly must increase cost as special, the decelerator reduction of speed ratio of vertical lathe configuration in the market has 1:2,1:4 and 1:7 etc., and the client can select have the fixedly vertical lathe of reduction of speed ratio according to demand.But present Market competition, but require the range of work of lathe big, and versatility is high.Maximum cutting tactical diameter is the vertical lathe of φ 600mm specification, if the big reduction of speed ratio speed reducer of configuration, like 1:4 and 1:7, its maximum speed is basically between 400 ~ 500rpm so, and servomotor directly asks the common vertical lathe of spindle-type to change scooter 1000 ~ 1500rpm.This shows that vertical lathe can't reach simultaneously in the market promptly has higher rotation speed, has again than high pulling torque, therefore when the user need change processing parts because of turn of the market, can be restricted because of the rotating speed of lathe and torsional performance.And vertical lathe causes cost higher because of the configuration decelerator on the existing market.
Summary of the invention
The objective of the invention is to solve the deficiency of prior art, a kind of NC vertical lathe that drives electronic gearshift two retaining gearboxes, raising slowing-down structure rigidity, reduction use cost with variable-frequency motor is provided.
The objective of the invention is to realize through following technical scheme:
A kind of two retaining formula NC vertical lathes that drive electronic manual transmission with variable-frequency motor; Comprise base, be installed on section before the base main spindle box, be installed on the main spindle box top chuck, be installed on the column of section on the base and be installed on the inner length feed axle of column, be installed on the saddle that can slide along column the column front portion and be installed on traverse feed axle in the saddle, be installed on the saddle slide plate that can horizontally slip along saddle and be installed on the knife rest on the slide plate; The traverse feed axle connects through the shaft coupling and the first AC servo drive motors; First ball-screw is installed on the traverse feed axle; Nut and the slide plate equipped with first ball-screw connect; The length feed axle and the second AC servo drive motors connect; At the length feed axle second ball-screw is installed, nut and the saddle equipped with second ball-screw connect; It is characterized in that main spindle box passes through belt and connects gearbox, gearbox I axle through shaft coupling with main motor link to each other; In gearbox, be disposed with transmission I axle, transmission II axle, transmission III axle; On transmission I axle, shaft gear is arranged; Order is equipped with and comprises the first input gear wheel and first output pinion on transmission II axle; On transmission III axle, be equipped with and comprise the second input pinion and the second input gear wheel and output belt pulley; I axle shaft gear is with the engagement of the input of first on transmission II axle gear wheel; First output pinion on the transmission II axle is realized the low speed transmission with the engagement of the input of second on transmission III axle gear wheel; Transmission I axle shaft gear is with the engagement of the input of first on transmission II axle gear wheel, and first output pinion on the transmission II axle is realized the high speed transmission with the input of second on transmission III axle pinion; Transmission III axle connects through belt pulley with main spindle box, and the main spindle box upper end connects chuck.Said main motor is a variable-frequency motor.
Master's motor of the present invention adopts variable-frequency motor, and main spindle box adopts the big faying face high structure that is rigidly connected, and cooperates the gearbox speed change system can realize two grades of speed changes.Adopting self-control two to keep off gearboxes can be according to user's request, and self-defined reduction of speed ratio when design compares reduction box as selecting 1:1 and 1:4 reduction of speed; When selecting the 1:1 top gear, machine tool capability directly asks the spindle-type vertical lathe the same with servomotor, is fit to most of users and uses; And when selecting the 1:4 low or first gear, lathe just has than high pulling torque, satisfies the processing request of user's peculiar part; Solve present vertical lathe and can't have high pulling torque and high-revolving contradiction simultaneously, can satisfy client's different process requirements simultaneously; Adopt variable-frequency motor and self-control gearbox designs to reduce the deceleration cost significantly; Employing is that power realizes that the speed changing structure of gearshift is simple and reliable with the motor, and low with hydraulic pressure gearshift comparative costs, reliability is high, and it is little to take up room.
Further set forth content of the present invention below in conjunction with Figure of description.
Description of drawings
Fig. 1 is a NC vertical lathe structural representation of the present invention.
Fig. 2 is a NC vertical lathe transmission system sketch map of the present invention.
Fig. 3 is the electronic gearshift sketch map of NC vertical lathe gearbox of the present invention.
Among the figure, 1-base, 2-main spindle box, 3-chuck, 4-knife rest, 5-slide plate; The 6-saddle, 7-traverse feed axle, 7a-first ball-screw, 8-length feed axle, 8a-second ball-screw, 9-column; 10-master's motor, 11-Hydraulic Station, the 12-first AC servo drive motors (X axle), the 13-second AC servo drive motors (Z axle), 14-gearbox; 14-1-transmission I axle, two of 14-2-transmissions, three of 14-3-transmissions, 14-1a-shaft gear, 14-2b-first output pinion; The 14-3a-second input pinion, the 14-3b-second input gear wheel, 15-CNC controls motor, 16-screw mandrel, 17-shift fork.
The specific embodiment
As shown in Figure 1; The present invention mainly comprises base 1, be installed on section before the base main spindle box 2, be installed on the chuck 3 at main spindle box top, the gearbox 14 that is installed on the column 9 of section on the base and is installed on the inner length feed axle 8 of column, is installed on the saddle 6 that can slide along column the column front portion and is installed on traverse feed axle 7 in the saddle, be installed on the saddle slide plate 5 that can horizontally slip along saddle and be installed on knife rest 4 on the slide plate, be connected through belt with main spindle box, the main motor 10 that links to each other with gearbox I axle through shaft coupling.Traverse feed axle 7 connects through the shaft coupling and the first AC servo drive motors 12, and the first ball-screw 7a is installed on traverse feed axle 7, and nut and the slide plate 5 equipped with first ball-screw connect.The length feed axle 8 and the second AC servo drive motors 13 connect; At length feed axle 8 the second ball-screw 8a is installed, nut and the saddle 6 equipped with second ball-screw connect.Main motor 10 adopts variable-frequency motor.
The present invention is disposed with transmission I axle 14-1, two 14-2 of transmission, three 14-3 of transmission in gearbox 14; On transmission I axle, shaft gear 14-1a is arranged; Order is equipped with and comprises the first input gear wheel 14-2a and the first output pinion 14-2b on transmission II axle; Comprise that the second input pinion 14-3a and the second input gear wheel 14-3b and output belt pulley 14-2bI axle shaft gear 14-1a are with the input of first on transmission II axle 14-2 gear wheel 14-2a engagement being equipped with on the transmission III axle; The first output pinion 14-2b on the transmission II axle 14-2 realizes the low speed transmission with the input of second on transmission III axle 14-3 gear wheel 14-3b engagement; Transmission I axle shaft gear 14-1a is with the input of first on transmission II axle 14-2 gear wheel 14-2a engagement, and the first output pinion 14-2b on the transmission II axle 14-2 realizes the high speed transmission with the input of second on transmission III axle 14-3 pinion 14-3a engagement; Transmission III axle 14-3 connects through belt pulley with main spindle box 2, and the main spindle box upper end connects chuck 3.
When the present invention works, can realize following two grades of speed changes:
The gearshift of transmission III axle realizes through digital control system control Electric Machine Control, by digital control system control shift motor, drives shift fork 17 through screw mandrel and realizes gearshift.
X axle of the present invention feeding drives with the first AC servo drive motors 12; This servo drive motor passes to the first ball-screw 7a through the shaft coupling direct connection rotatablely moving; Drive slide plate 5 by first ball-screw through equipped nut and move, realize the traverse feed of knife rest 4.The feeding of Z axle drives with the second AC servo drive motors 13, and this servo drive motor passes to the second ball-screw 8a through the shaft coupling direct connection rotatablely moving, and drives saddle 6 by second ball-screw through equipped nut and moves, and realizes the length feed of knife rest.
Claims (2)
1. two retaining formula NC vertical lathes that drive electronic manual transmission with variable-frequency motor; Comprise base (1), be installed on section before the base main spindle box (2), be installed on the main spindle box top chuck (3), be installed on the column (9) of section on the base and be installed on the inner length feed axle (8) of column, be installed on the saddle (6) that can slide along column the column front portion and be installed on traverse feed axle (7) in the saddle, be installed on the saddle slide plate (5) that can horizontally slip along saddle and be installed on the knife rest (4) on the slide plate; Traverse feed axle (7) connects through the shaft coupling and the first AC servo drive motors (12); First ball-screw (7a) is installed on traverse feed axle (7); Nut and the slide plate (5) equipped with first ball-screw connect; Length feed axle (8) connects with the second AC servo drive motors (13); At length feed axle (8) second ball-screw (8a) is installed, nut and the saddle (6) equipped with second ball-screw connect; It is characterized in that main spindle box passes through belt and connects gearbox (14), gearbox I axle through shaft coupling with main motor (10) link to each other; In gearbox (14), be disposed with transmission I axle (14-1), transmission II axle (14-2), transmission III axle (14-3); Shaft gear (14-1a) is arranged on transmission I axle; Order is equipped with and comprises first input gear wheel (14-2a) and first output pinion (14-2b) on transmission II axle; On transmission III axle, be equipped with and comprise the second input pinion (14-3a) and the second input gear wheel (14-3b) and output belt pulley (14-2b); First input gear wheel (14-2a) engagement on I axle shaft gear (14-1a) and the transmission II axle (14-2); Second input gear wheel (14-3b) engagement on first output pinion (14-2b) on the transmission II axle (14-2) and the transmission III axle (14-3) realizes the low speed transmission; First input gear wheel (14-2a) engagement on transmission I axle shaft gear (14-1a) and the transmission II axle (14-2), the second input pinion (14-3a) on first output pinion (14-2b) on the transmission II axle (14-2) and the transmission III axle (14-3) meshes realizes the high speed transmission; Transmission III axle (14-3) is connected through belt pulley with main spindle box (2), and the main spindle box upper end connects chuck (3).
2. according to claim 1ly a kind ofly drive two retaining formula NC vertical lathes of electronic manual transmission, it is characterized in that said main motor (10) is a variable-frequency motor with variable-frequency motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100104533A CN102528521A (en) | 2012-01-13 | 2012-01-13 | Two-gear type numerical control vertical lathe capable of driving electric gear shift gearbox by using variable frequency motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100104533A CN102528521A (en) | 2012-01-13 | 2012-01-13 | Two-gear type numerical control vertical lathe capable of driving electric gear shift gearbox by using variable frequency motor |
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| CN102528521A true CN102528521A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100104533A Pending CN102528521A (en) | 2012-01-13 | 2012-01-13 | Two-gear type numerical control vertical lathe capable of driving electric gear shift gearbox by using variable frequency motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214347A (en) * | 2017-05-05 | 2017-09-29 | 赵冕 | Motor casing seam finishes vertical lathe and its processing method with end face |
| CN111667750A (en) * | 2020-07-15 | 2020-09-15 | 南通职业大学 | Machine tool convenient for displaying for mechanical maintenance teaching |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001287102A (en) * | 2000-04-05 | 2001-10-16 | Okuma & Howa Machinery Ltd | Combined machining machine tool |
| CN201470894U (en) * | 2009-09-10 | 2010-05-19 | 项建光 | Numerical control vertical lathe |
| CN201807779U (en) * | 2010-09-06 | 2011-04-27 | 宁波天瑞精工机械有限公司 | Transmission mechanism of vertical milling machine |
| CN201940610U (en) * | 2011-01-12 | 2011-08-24 | 云南Cy集团有限公司 | Numerical control vertical lathe vertically using headstock of horizontal lathe |
| CN201970134U (en) * | 2009-12-29 | 2011-09-14 | 应高峰 | Electromagnetic gear-shift automatic speed changing device for a machine tool |
| CN202498398U (en) * | 2012-01-13 | 2012-10-24 | 云南Cy集团有限公司 | Two gear type numerical control vertical type lathe using variable frequency motor to drive electric gearshift gearbox |
-
2012
- 2012-01-13 CN CN2012100104533A patent/CN102528521A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001287102A (en) * | 2000-04-05 | 2001-10-16 | Okuma & Howa Machinery Ltd | Combined machining machine tool |
| CN201470894U (en) * | 2009-09-10 | 2010-05-19 | 项建光 | Numerical control vertical lathe |
| CN201970134U (en) * | 2009-12-29 | 2011-09-14 | 应高峰 | Electromagnetic gear-shift automatic speed changing device for a machine tool |
| CN201807779U (en) * | 2010-09-06 | 2011-04-27 | 宁波天瑞精工机械有限公司 | Transmission mechanism of vertical milling machine |
| CN201940610U (en) * | 2011-01-12 | 2011-08-24 | 云南Cy集团有限公司 | Numerical control vertical lathe vertically using headstock of horizontal lathe |
| CN202498398U (en) * | 2012-01-13 | 2012-10-24 | 云南Cy集团有限公司 | Two gear type numerical control vertical type lathe using variable frequency motor to drive electric gearshift gearbox |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214347A (en) * | 2017-05-05 | 2017-09-29 | 赵冕 | Motor casing seam finishes vertical lathe and its processing method with end face |
| CN107214347B (en) * | 2017-05-05 | 2020-01-03 | 赵冕 | Motor casing inner spigot and end face finish machining vertical lathe and machining method thereof |
| CN111667750A (en) * | 2020-07-15 | 2020-09-15 | 南通职业大学 | Machine tool convenient for displaying for mechanical maintenance teaching |
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Application publication date: 20120704 |