CN102145454A - Small-sized numerical control milling and drilling machine - Google Patents
Small-sized numerical control milling and drilling machine Download PDFInfo
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- CN102145454A CN102145454A CN 201110090199 CN201110090199A CN102145454A CN 102145454 A CN102145454 A CN 102145454A CN 201110090199 CN201110090199 CN 201110090199 CN 201110090199 A CN201110090199 A CN 201110090199A CN 102145454 A CN102145454 A CN 102145454A
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Abstract
The invention discloses a small-sized numerical control milling and drilling machine which comprises a base. The base is provided with a square upright post. A transverse screw rod seat is arranged in the base. A middle planker is clamped on a guide rail on the top of the base in a sliding mode and is connected with a transverse nut seat into a whole. A longitudinal ball screw assembly is arranged in the middle planker. A worktable is clamped on a longitudinal guide rail on the top of the middle planker in a sliding mode and is connected with a longitudinal nut seat into a whole. The square upright post is provided with a lifting ball screw assembly. The rear side wall of a spindle box body is clamped at the front side of the square upright post in a sliding mode and is connected with a lifting nut seat into a whole. The top of the spindle box body is provided with a spindle motor. The spindle box body is provided with a motor belt wheel and a spindle belt wheel. The spindle box body is provided with a spindle sleeve. A spindle is arranged in the spindle sleeve.
Description
Technical field
The present invention relates to the drilling and milling machine field, be specially a kind of miniature numerical control drilling and milling machine.
Background technology
Drilling and milling machine is a processing equipment commonly used in the modern industry.Drilling and milling machine of the prior art is manually control, and it comprises the lathe base of cross table, and lathe base is by the feeding of handwheel action realization workbench X, Y both direction, and Y wherein is 205 millimeters to stroke; The machine tool chief axis casing along the dovetail guide of square column move up and down realize Z to fast feed; The main shaft box inner structure is gear drive, stir by the intersection of two shift forks, and electric box is controlled actions such as electric vigour part, six grades of output speeds of realization main shaft 80～1250RPM.On the main shaft next door micro-feed mechanism is arranged, realize little feeding up and down of rack sleeve by the action of handwheel.The drilling and milling machine of prior art exists the machine tool chief axis output speed slower, and Y is short to stroke, and each moving component of lathe is easy to wear, and the problem that the screw mandrel kinematic accuracy is low has restricted the application of drilling and milling machine greatly.
Summary of the invention
The purpose of this invention is to provide a kind of miniature numerical control drilling and milling machine, slower with the drilling and milling machine main shaft output speed that solves prior art, Y is short to stroke, and each moving component of lathe is easy to wear, the problem that the screw mandrel kinematic accuracy is low.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of miniature numerical control drilling and milling machine, include base, base is provided with vertical square column, it is characterized in that: close base back installs and is equipped with the transverse wire pole socket in the described base, on the base front surface sidewall horizontal stepper motor is installed, also be rotatablely equipped with horizontal ball wire bar pair in the base, described horizontal ball wire bar pair one end is rotatably installed in the described transverse wire pole socket, laterally the ball wire bar pair other end and described horizontal stepper motor are in transmission connection, and are positioned at also to be with horizontal nut seat on the horizontal ball wire bar pair; Described base top forms cross slide way, and the rail level direction of described cross slide way is parallel with described horizontal ball wire bar pair, have middle carriage to slide and be connected on the guide rail of base top, and the horizontal nut seat in middle carriage and the base connects as one; Be rotatablely equipped with relative staggered vertical vertical ball wire bar pair in the described middle carriage with described horizontal ball wire bar pair, be positioned at the middle carriage left side vertical stepper motor is installed, the middle carriage right side is equipped with vertical screw rodb base, described vertical ball wire bar pair one end is rotatably installed in vertical screw rodb base, the other end and described vertical stepper motor are in transmission connection, vertically be with vertical nut seat on the ball wire bar pair, described middle carriage top forms rail level direction and the parallel longitudinal rail of described vertical ball screw auxiliary direction, have workbench to slide and be connected on the longitudinal rail at middle carriage top, and workbench and described vertical nut seat connect as one; Described square column top is equipped with the lifting stepper motor, is rotatablely equipped with vertical lifting roller screw pair in the square column, is set with the lifting nut seat on the described lifting ball wire bar pair, is positioned at the dovetail guide that square column front is provided with vertical direction; Also include the main shaft casing, described main spindle box body is positioned at the workbench top, described main shaft casing rear wall slides and is connected on the dovetail guide in described square column front, and main shaft casing and described lifting nut seat connect as one, be positioned at main shaft casing top output shaft spindle motor straight down is installed, the motor pulley that is in transmission connection with spindle motor is installed in the main shaft casing, and the spindle pulley that is in transmission connection by the V-type band with described motor pulley, the equal horizontal positioned of described motor pulley and spindle pulley, be arranged in the collar bush that main shaft casing under the spindle pulley is provided with vertical direction, be provided with main shaft bearing in the described collar bush, there is main shaft to be rotatably installed in the described main shaft bearing, the main shaft cabinet is stretched out in described main shaft lower end, and the main shaft upper end is installed in the spindle pulley.
Described a kind of miniature numerical control drilling and milling machine, it is characterized in that: described square column back is equipped with electric control box, be integrated with frequency converter, PLC interface in the described electric control box, described electric control box is electrically connected with described horizontal stepper motor, vertical stepper motor and spindle motor respectively.
Described a kind of miniature numerical control drilling and milling machine, it is characterized in that: have Z-shaped lubrication groove in described horizontal ball wire bar pair, vertical ball wire bar pair, the lifting ball wire bar pair, described square column sidepiece is equipped with lubricating arrangement, and described lubricating arrangement is communicated with the Z-shaped lubrication groove of horizontal ball wire bar pair, vertical ball wire bar pair, lifting ball wire bar pair respectively by oil circuit.
Described a kind of miniature numerical control drilling and milling machine is characterized in that: described spindle motor is a variable-frequency motor.
Described a kind of miniature numerical control drilling and milling machine is characterized in that: described main shaft bearing is a P4 level bearing.
Among the present invention, laterally ball wire bar pair, vertical ball wire bar pair, lifting ball wire bar pair all pass through accurate grinding; Laterally ball wire bar pair, vertical ball wire bar pair, main shaft all are equipped with corresponding motor separately and control, by with the microcomputer of outside and being connected of the electric control box that is installed in the lathe back side, and by the microcomputer centralized Control, realize the lathe three-shaft linkage, vertically (Y to) stroke wherein can reach 300 millimeters; The main shaft casing moves up and down by the elevating mechanism on the square column action dovetail guide along square column, realize Z to fast feed; Design has Z-shaped lubrication groove on horizontal ball wire bar pair, vertical ball wire bar pair, lifting ball screw secondary surface, and at square column side installation centralized lubrication device, by being connected to horizontal ball wire bar pair, vertical ball wire bar pair, lifting ball screw auxiliary oil circuit, realize the centralized lubrication of lathe, be included in the lubricated of machine tool mainshaft bearing.
Advantage of the present invention is:
1, base plane of the present invention is of a size of 700 * 410 millimeters, has optimized the base intracavity reinforcing rib design, realize that vertically (Y to) stroke reaches 300 millimeters target, and the stroke of similar machine tool is 175 millimeters.Laterally (X to), vertically (Y to) screw mandrel guarantees precision and high cost performance through accurate grinding.
2, the kind of drive of main shaft of the present invention is efficient V-type band and belt wheel transmission, and is divided into two grades, to realize the lathe output speed two speed intervals of height is arranged; Spindle motor is a variable-frequency motor, and main shaft bearing changes P4 level bearing into, realizes the accurate location of main shaft belt wheel and main shaft, and the noise when guaranteeing the main shaft high speed is not more than 73db (A); The electric control system of lathe is interconnected to constitute by frequency converter, PLC interface and microcomputer, by microcomputer instruction frequency converter, frequency is changed between 5HZ～100HZ, realizes that lathe output speed interval is the stepless control mode of 80～5000RPM.
3, the present invention is laterally designing Z-shaped lubrication groove respectively on ball wire bar pair, vertical ball wire bar pair, the lifting ball screw secondary surface, and at square column side installation centralized lubrication device, by being connected to the oil circuit of each kinematic pair, realize the centralized lubrication of lathe, be included in the lubricated of machine tool mainshaft bearing, reduce the wearing and tearing between the machine tool motion pair, prolong lathe service life.
Description of drawings
Fig. 1 is a structure front view of the present invention.
Fig. 2 is a structure side view of the present invention.
The specific embodiment
As shown in Figure 1 and Figure 2.A kind of miniature numerical control drilling and milling machine, include base 1, base 1 is provided with vertical square column 2, close base 1 back installs and is equipped with transverse wire pole socket 3 in the base 1, on the base 1 front sidewall horizontal stepper motor 4 is installed, also be rotatablely equipped with horizontal ball wire bar pair 5 in the base 1, laterally ball wire bar pair 5 one ends are rotatably installed in the transverse wire pole socket 3, laterally ball wire bar pair 5 other ends and horizontal stepper motor 4 are in transmission connection, and are positioned at also to be with horizontal nut seat 6 on the horizontal ball wire bar pair 5; Base 1 top forms cross slide way, and the rail level direction of cross slide way have middle carriage 7 to slide and be connected on the guide rail at base 1 top, and the horizontal nut seat 6 in middle carriage 7 and the base 1 connects as one with laterally ball wire bar pair 5 is parallel; Be rotatablely equipped with in the middle carriage 7 and horizontal ball wire bar pair 5 relative staggered vertical vertical ball wire bar pairs 8, be positioned at middle carriage 7 left sides vertical stepper motor 9 is installed, middle carriage 7 right sides are equipped with vertical screw rodb base 10, vertically ball wire bar pair 8 one ends are rotatably installed in vertical screw rodb base 10, the other end is in transmission connection with vertical stepper motor 9, vertically be with vertical nut seat 11 on the ball wire bar pair 8, middle carriage 7 tops form rail level direction and vertical parallel longitudinal rail of ball wire bar pair 8 directions, have workbench 12 to slide and be connected on the longitudinal rail at middle carriage 7 tops, and workbench 12 connects as one with vertical nut seat 11; Square column 2 tops are equipped with lifting stepper motor 13, are rotatablely equipped with vertical lifting roller screw pair 14 in the square column 2, are set with lifting nut seat 15 on the lifting ball wire bar pair 14, are positioned at the dovetail guide that square column 2 fronts are provided with vertical direction; Also include main shaft casing 16, main shaft casing 16 is positioned at workbench 12 tops, main shaft casing 16 rear walls slide and are connected on the dovetail guide in square column 2 fronts, and main shaft casing 16 connects as one with lifting nut seat 15, be positioned at main shaft casing 16 tops output shaft spindle motor 17 straight down is installed, the motor pulley 18 that is in transmission connection with spindle motor 17 is installed in the main shaft casing 16, and the spindle pulley 20 that is in transmission connection by V-type band 19 with motor pulley 18, motor pulley 18 and spindle pulley 20 equal horizontal positioned, be arranged in the collar bush 21 that main shaft casing 16 under the spindle pulley 20 is provided with vertical direction, be provided with main shaft bearing 22 in the collar bush 21, there is main shaft 23 to be rotatably installed in the main shaft bearing 22, main shaft cabinet 16 is stretched out in main shaft 23 lower ends, and main shaft 23 upper ends are installed in the spindle pulley 20.
Square column 2 backs are equipped with electric control box 24, are integrated with frequency converter, PLC interface in the electric control box 24, and electric control box is electrically connected with horizontal stepper motor 4, vertical stepper motor 9 and spindle motor 17 respectively.
Laterally have Z-shaped lubrication groove in ball wire bar pair 5, vertical ball wire bar pair 8, the lifting ball wire bar pair 14, square column sidepiece is equipped with lubricating arrangement, and lubricating arrangement is communicated with the Z-shaped lubrication groove of horizontal ball wire bar pair 5, vertical ball wire bar pair 8, lifting ball wire bar pair 14 respectively by oil circuit.
Spindle motor 17 is a variable-frequency motor.Main shaft bearing 22 is a P4 level bearing.
Spindle motor of the present invention is a variable-frequency motor, driving wheel is installed on the output shaft is driven the follower that is installed on the collar bush, and the dovetail guide on the case lid, the tight mechanism tensioner or unclamp of stopping fast that cooperates the side, motor and frequency converter, PLC interface and microcomputer interconnect, by microcomputer instruction frequency converter, frequency is changed between 5HZ～100HZ, realize the infinitely variable speeds in the scope of 80～5000RPM of lathe output speed.
Main shaft bearing is a P4 level bearing; Position of bearings between main shaft casing and case lid is between the two, and the accurate location of realizing follower and main shaft is with the control noise; On the micrometer feed axle servomotor is installed,, is realized that Z is to work feed by the electric control system centralized Control.
Lathe base partly is a cross table, and the screw mandrel of cross table is through accurate grinding; The centre is a column assembly, be main shaft casing assembly above, there is micro-feed mechanism on the next door, at the two ends of cross table X, Y screw mandrel and the axle head of micrometer feed servomotor is installed, by with being connected of microcomputer and electric control box that is installed in the lathe back side and related electric assembly, and, realizing the lathe three-shaft linkage by the microcomputer centralized Control, Y wherein is 300 millimeters to stroke; The elevating mechanism action of machine tool chief axis casing by the side moves up and down along the dovetail guide of square column, realize Z to fast feed; Design has Z-shaped lubrication groove on each movement pair surface, and in the column side centralized lubricating system is installed, and by being connected to the oil circuit of each kinematic pair, realizes the centralized lubrication of lathe, is included in the lubricated of machine tool mainshaft bearing.
Claims (5)
1. miniature numerical control drilling and milling machine, include base, base is provided with vertical square column, it is characterized in that: close base back installs and is equipped with the transverse wire pole socket in the described base, on the base front surface sidewall horizontal stepper motor is installed, also be rotatablely equipped with horizontal ball wire bar pair in the base, described horizontal ball wire bar pair one end is rotatably installed in the described transverse wire pole socket, laterally the ball wire bar pair other end and described horizontal stepper motor are in transmission connection, and are positioned at also to be with horizontal nut seat on the horizontal ball wire bar pair; Described base top forms cross slide way, and the rail level direction of described cross slide way is parallel with described horizontal ball wire bar pair, have middle carriage to slide and be connected on the guide rail of base top, and the horizontal nut seat in middle carriage and the base connects as one; Be rotatablely equipped with relative staggered vertical vertical ball wire bar pair in the described middle carriage with described horizontal ball wire bar pair, be positioned at the middle carriage left side vertical stepper motor is installed, the middle carriage right side is equipped with vertical screw rodb base, described vertical ball wire bar pair one end is rotatably installed in vertical screw rodb base, the other end and described vertical stepper motor are in transmission connection, vertically be with vertical nut seat on the ball wire bar pair, described middle carriage top forms rail level direction and the parallel longitudinal rail of described vertical ball screw auxiliary direction, have workbench to slide and be connected on the longitudinal rail at middle carriage top, and workbench and described vertical nut seat connect as one; Described square column top is equipped with the lifting stepper motor, is rotatablely equipped with vertical lifting roller screw pair in the square column, is set with the lifting nut seat on the described lifting ball wire bar pair, is positioned at the dovetail guide that square column front is provided with vertical direction; Also include the main shaft casing, described main spindle box body is positioned at the workbench top, described main shaft casing rear wall slides and is connected on the dovetail guide in described square column front, and main shaft casing and described lifting nut seat connect as one, be positioned at main shaft casing top output shaft spindle motor straight down is installed, the motor pulley that is in transmission connection with spindle motor is installed in the main shaft casing, and the spindle pulley that is in transmission connection by the V-type band with described motor pulley, the equal horizontal positioned of described motor pulley and spindle pulley, be arranged in the collar bush that main shaft casing under the spindle pulley is provided with vertical direction, be provided with main shaft bearing in the described collar bush, there is main shaft to be rotatably installed in the described main shaft bearing, the main shaft cabinet is stretched out in described main shaft lower end, and the main shaft upper end is installed in the spindle pulley.
2. a kind of miniature numerical control drilling and milling machine according to claim 1, it is characterized in that: described square column back is equipped with electric control box, be integrated with frequency converter, PLC interface in the described electric control box, described electric control box is electrically connected with described horizontal stepper motor, vertical stepper motor and spindle motor respectively.
3. a kind of miniature numerical control drilling and milling machine according to claim 1, it is characterized in that: have Z-shaped lubrication groove in described horizontal ball wire bar pair, vertical ball wire bar pair, the lifting ball wire bar pair, described square column sidepiece is equipped with lubricating arrangement, and described lubricating arrangement is communicated with the Z-shaped lubrication groove of horizontal ball wire bar pair, vertical ball wire bar pair, lifting ball wire bar pair respectively by oil circuit.
4. a kind of miniature numerical control drilling and milling machine according to claim 1 is characterized in that: described spindle motor is a variable-frequency motor.
5. a kind of miniature numerical control drilling and milling machine according to claim 1 is characterized in that: described main shaft bearing is a P4 level bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110090199 CN102145454A (en) | 2011-04-12 | 2011-04-12 | Small-sized numerical control milling and drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110090199 CN102145454A (en) | 2011-04-12 | 2011-04-12 | Small-sized numerical control milling and drilling machine |
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| Publication Number | Publication Date |
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| CN102145454A true CN102145454A (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110090199 Pending CN102145454A (en) | 2011-04-12 | 2011-04-12 | Small-sized numerical control milling and drilling machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528133A (en) * | 2011-12-30 | 2012-07-04 | 杭州兴源过滤科技股份有限公司 | Numerical control planer type milling machine |
| CN103878409A (en) * | 2014-03-14 | 2014-06-25 | 江苏映彤机械设备有限公司 | Digital controlled drill |
| CN104669030A (en) * | 2014-09-30 | 2015-06-03 | 安徽鸿远机电科技有限公司 | Gap-adjustable feeding system of machine tool |
| CN105965058A (en) * | 2016-06-24 | 2016-09-28 | 国网山东省电力公司宁津县供电公司 | Pipe fitting drilling machine |
| CN106763697A (en) * | 2017-01-06 | 2017-05-31 | 柳州长虹数控机床有限责任公司 | The automatic lubricating system of numerical-controlled lathe ball screw |
| CN112427757A (en) * | 2020-10-11 | 2021-03-02 | 新昌县羽林街道立锋轴承厂 | Prevent liquid pore discharge machine of jam |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030084554A1 (en) * | 1999-04-21 | 2003-05-08 | Alfred Geissler | Universal machine tool |
| CN201405195Y (en) * | 2009-05-21 | 2010-02-17 | 徐正松 | Mini-type numerical control drilling and milling machine |
| CN101833303A (en) * | 2010-05-14 | 2010-09-15 | 东莞市西尔普数控设备有限公司 | Miniature numerical control machine |
| CN202062215U (en) * | 2011-04-12 | 2011-12-07 | 池州共和机械有限责任公司 | Miniature numerical control drilling and milling machine |
-
2011
- 2011-04-12 CN CN 201110090199 patent/CN102145454A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030084554A1 (en) * | 1999-04-21 | 2003-05-08 | Alfred Geissler | Universal machine tool |
| CN201405195Y (en) * | 2009-05-21 | 2010-02-17 | 徐正松 | Mini-type numerical control drilling and milling machine |
| CN101833303A (en) * | 2010-05-14 | 2010-09-15 | 东莞市西尔普数控设备有限公司 | Miniature numerical control machine |
| CN202062215U (en) * | 2011-04-12 | 2011-12-07 | 池州共和机械有限责任公司 | Miniature numerical control drilling and milling machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528133A (en) * | 2011-12-30 | 2012-07-04 | 杭州兴源过滤科技股份有限公司 | Numerical control planer type milling machine |
| CN103878409A (en) * | 2014-03-14 | 2014-06-25 | 江苏映彤机械设备有限公司 | Digital controlled drill |
| CN104669030A (en) * | 2014-09-30 | 2015-06-03 | 安徽鸿远机电科技有限公司 | Gap-adjustable feeding system of machine tool |
| CN105965058A (en) * | 2016-06-24 | 2016-09-28 | 国网山东省电力公司宁津县供电公司 | Pipe fitting drilling machine |
| CN106763697A (en) * | 2017-01-06 | 2017-05-31 | 柳州长虹数控机床有限责任公司 | The automatic lubricating system of numerical-controlled lathe ball screw |
| CN112427757A (en) * | 2020-10-11 | 2021-03-02 | 新昌县羽林街道立锋轴承厂 | Prevent liquid pore discharge machine of jam |
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Application publication date: 20110810 |