CN202097598U - Automatic feeding device of milling machine - Google Patents
Automatic feeding device of milling machine Download PDFInfo
- Publication number
- CN202097598U CN202097598U CN2011201562385U CN201120156238U CN202097598U CN 202097598 U CN202097598 U CN 202097598U CN 2011201562385 U CN2011201562385 U CN 2011201562385U CN 201120156238 U CN201120156238 U CN 201120156238U CN 202097598 U CN202097598 U CN 202097598U
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- milling machine
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- rotor
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Abstract
The utility model relates to an automatic feeding device of a milling machine, which comprises a high-speed brushless direct-current motor, a digital control box and a travel switch. The digital control box is connected with the travel switch via a cable, the high-speed brushless direct-current motor comprises a base, a shell, a stator, a cup-shaped rotor and a planet speed reducer connected with the cup-shaped rotor, the cup-shaped rotor drives a center wheel of the planet speed reducer to rotate, the center wheel of the planet speed reducer is fixed on the cup-shaped rotor, so that a planet support of the planet speed reducer is driven to rotate and drives a machine screw to rotate in a key connection manner, and a worktable of the milling machine is driven to move. A microcomputer intelligently controls the high-speed brushless direct-current motor, the planet speed reducer drives the machine screw to rotate after speed reduction, and the touch-free travel switch controls the movement range of the worktable. The automatic feeding device of the milling machine has the advantages of small volume, compact structure, low noise, large moment of force, high rotation speed, convenience in installation, flexibility and simplicity in operation, attractive appearance, stability in running, and the like.
Description
Technical field
The utility model belongs to the machining equipment field, particularly a kind of milling machine auto-feeder that drives the rotation of milling machine table leading screw.
Background technology
Milling machine realizes that the workbench auto-feeder has three kinds of modes at present; The one, adopt common electric machine to add gearbox (being commonly called as mechanical type) and drive the table lead screw rotation through gear drive; Realize the feeding of workbench, this mode manufacturing cost is high, complex operation; Stepless speed regulation can not be realized in reliability ground; The 2nd, adopt the electromechanical integrated structure (being commonly called as electronic type) that brush universal motor acceleration and deceleration device is arranged; Driving table lead screw through gear drive rotates; Realize the feeding of workbench, this kind of drive can realize stepless speed regulation, and is simple to operate; But because motor exists carbon brush and commutator to cause the service life of motor short, thereby cause the use cost of whole feed arrangement higher; The 3rd, adopt the low speed brshless DC motor directly to drive table lead screw (being commonly called as direct-drive type); This mode was both simple in structure, can realize stepless speed regulation again, and service life and reliability was all very high; But owing to saved reducing gear; Maybe can not process thereby feeding is unable when causing the big cut of low speed, only be applicable to light cut processing, the scope of application is little.
Summary of the invention
The utility model technical problem to be solved is the deficiency that overcomes above-mentioned prior art, provides a kind of rational in infrastructure, easy for installation; Operation is directly perceived simple; Reliability is high, long service life, the intelligentized milling machine auto-feeder that noise is low, moment is big, rotating speed is high, operate steadily.
The technical scheme that the utility model solves the problems of the technologies described above employing is: a kind of milling machine auto-feeder; It includes high-speed brushless DC electromotor, digital control cabinet and travel switch; Digital control cabinet is connected with travel switch through cable; It is characterized in that: said high-speed brushless DC electromotor is fixed in the milling machine table side end face, is connected with the milling machine leading screw, and it includes support, casing, stator, cup-shaped rotor and the planetary reduction gear that is connected with cup-shaped rotor; Said stator is made up of with threephase stator winding and position sensor and the stator cover that links to each other with stator core in being placed in stator coring groove stator core; Threephase stator winding and position sensor are connected with digital control cabinet through drawing cable; Stator is connected with cup-shaped rotor through the bearing of stator cover inwall, and is fixed on the support through being threaded of end of stator cover; Said cup-shaped rotor is made up of rotor bowl cover, rotor case and the permanent-magnet steel that is bonded on its inwall, and the rotor bowl cover is connected with rotor case through screw, and cup-shaped rotor covers in outside the stator, and the inner ring axle sleeve of rotor bowl cover is connected with stator through bearing; Said planetary reduction gear is made up of a centre wheel, three planetary gears, a planet stent and a ring gear; Centre wheel is fixed on the rotor bowl cover of cup-shaped rotor through screw; Three planetary gears are fixed on the planet stent through bearing and planet wheel spindle, and evenly distribute; Planet stent is connected with casing through bearing, and is connected with the milling machine leading screw through the key on the endoporus, drives leading screw and drives movable workbench, and ring gear is directly fixed on the casing inner wall.
The said casing of the utility model outside is with dial, and dial is fixed on the planet stent through locking nut.
The described digital control cabinet of the utility model is by control box, operation display panel, motor-driven plate, display control board; Back shroud is formed; Be fixed in through attachment screw on the base angle of casing, and be connected with high-speed brushless DC electromotor and travel switch respectively through the cable of drawing on the back shroud.
The described travel switch of the utility model be non-contact type near switch, form by switch bracket, inductive switch, permanent-magnet steel, stroke piece, link to each other with digital control cabinet through cable.
Said high-speed brushless DC electromotor of the utility model and digital control cabinet are a global facility.
The inboard of the said rotor case of the utility model is stained with a circle permanent-magnet steel.
The utility model adopts above-mentioned composition structure, and against existing technologies, the utility model milling machine intelligent type digital formula auto-feeder is an a novel milling machine power feed mechanism (being commonly called as the feed device), is used for the milling machine auto-feed.Realize different operating conditions through the microcomputer program Based Intelligent Control motor in the digital control cabinet; And can rotating speed of motor, feed line speed and the feeding distance digital display window through the operation display panel top directly be shown, be convenient to the operator and understand present machining state in real time; In processing, avoided the no force phenomenon of direct-drive type feed device low speed processing, motor all can provide corresponding torque until peak torque according to different loads under any rotating speed; The utility model changes the moment of torsion output of motor owing to adopt microcomputer-recognized intelligent control automatically with the variation of load, thus avoided the low speed of band deceleration feed device add man-hour moment of torsion excessive and cause force cutter and the short phenomenon of gear life; Owing to adopted microcomputerized control, be convenient to realize slitless connection with machine tool system; Owing to adopted brshless DC motor and no touch type near switch, make the reliability of whole device and obtained raising greatly service life, avoided first three for defectives such as feed device poor reliability, life-span weak point, maintenance troubles.
The utility model is mainly used in the working motion of milling machine table on X, Y, three coordinate directions of Z; Realize positive decommuntation and stepless speed regulation and visualized operation; Can substitute traditional mechanical formula feed device, electronics feed device and direct-drive type feed device fully; Be that milling machine is from the revolution property innovation of monolithic devices to the separate unit development; Have that volume is little, noise is low, moment is big, rotating speed is high, easy for installation, operation directly perceived simple, mechanism is compact, good looking appearance, characteristics such as operate steadily, only need push the function corresponding button and just can realize various functions, the ergonomic requirement.
The utility model mainly is used in the high speed universal radial milling machine, bores equipment such as boring machine, small-sized grinding machine and special purpose machine tool.Its electric power system adopts independently power supply mode, becomes 36V human safety voltage power supply after through rectifying and voltage-stabilizing by single-phase alternating current, thereby avoids operator's misoperation to cause electric shock accidents to take place.
The utility model both kept the big characteristics of band decelerator feed device low speed processing moment of torsion, kept the advantage of the reliable new peak of direct-drive type feed device brshless DC motor, long service life again.Because this device adopts brshless DC motor and microcomputer-recognized intelligent control and does not have the touch type travel switch, thereby has reduced the fault rate of device, has reduced maintenance cost, has improved production efficiency and production cost greatly.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done further detailed explanation.
Fig. 1 the utility model is formed structural representation.
Fig. 2 is the structural representation of the utility model high-speed brushless DC electromotor.
Fig. 3 is the composition structural representation of the utility model travel switch.
Label among the figure is: 1. high-speed brushless DC electromotor, 11. supports, 12. casings, 13. cup-shaped rotors, 131. rotor case, 132. permanent-magnet steels; 133. the rotor bowl cover, 14. planetary reduction gears, 141. ring gears, 142. planetary gears, 143. circlips, 144. planet wheel spindles; 145. planet stent, 146. centre wheels, 15. locking nuts, 16. dials, 17. stators; 171. stator core, 172. threephase stator winding and position sensors, 173. stator covers, 18. nuts, 2. digital control cabinet; 3. travel switch, 31. switch brackets, 32. inductive switches, 33. permanent-magnet steels, 34. stroke pieces.
The specific embodiment
As can be seen from Figure 1, a kind of milling machine auto-feeder, it includes high-speed brushless DC electromotor 1, digital control cabinet 2 and travel switch 3, and digital control cabinet 2 is connected with travel switch 3 through cable.
Can find out that from Fig. 1, Fig. 2 said high-speed brushless DC electromotor 1 is fixed in the milling machine table side end face, be connected that it includes support 11, casing 12, stator 17, cup-shaped rotor 13 and the planetary reduction gear that is connected with cup-shaped rotor 14 with the milling machine leading screw; Said stator 17 is made up of with threephase stator winding and position sensor 172 and the stator cover 173 that links to each other with stator core 171 in being placed in stator coring groove stator core 171; Threephase stator winding and position sensor 172 are connected with digital control cabinet 2 through drawing cable; Whole stator 17 overlaps 173 inwalls through stator bearing is connected with cup-shaped rotor 13, and is connected and fixed on the support 11 through screw thread and the nut 18 that stator overlaps 173 ends; Said cup-shaped rotor 13 is made up of rotor bowl cover 133, rotor case 131 and the permanent-magnet steel 132 that is bonded on its inwall; Rotor bowl cover 133 is connected with rotor case 131 through screw; Cup-shaped rotor 13 is connected with stator cover 173 interior bearings through the hollow shaft on the rotor bowl cover 133; Cup-shaped rotor 13 covers in outside the stator 17, and the inner ring axle sleeve of rotor bowl cover 133 is connected with stator 17 through bearing; The inboard of said rotor case 131 is stained with a circle permanent-magnet steel 132.Said planetary reduction gear 14 is made up of a centre wheel 146, three planetary gears 142, a planet stent 145 and a ring gear 141; Centre wheel 146 is fixed on the rotor bowl cover 133 of cup-shaped rotor 13 through screw; Three planetary gears 142 are fixed on the planet stent 145 with circlip 143 through bearing and planet wheel spindle 144, and evenly distribute; Planet stent 145 is connected with casing 12 through bearing, and is connected with the milling machine leading screw through the key on the endoporus, drives leading screw and drives movable workbench, and ring gear 141 is directly fixed on casing 12 inwalls.Planetary reduction gear 14 is formed an integral body with motor through support 11 and casing 12.
The said casing of the utility model 12 outsides are with dial 16, and dial 16 is fixed on the planet stent 145 through locking nut 15.Specifically be that dial 16 is enclosed within the axle that planet stent 145 exposes housing part and goes up and fix through a screw thread on it and a locking nut 15; Make the rotation of dial 16 retinue prong framves 145 and rotate; Dial 16 is used for writing task platform travel distance; Make things convenient for processing dimension to measure, understand feeding distance thereby be convenient to the operator.
The described digital control cabinet 2 of the utility model is by control box, operation display panel, motor-driven plate, display control board; Back shroud is formed; Be fixed in through attachment screw on the base angle of casing 12, and be connected with high-speed brushless DC electromotor 1 and travel switch 3 respectively through the cable of drawing on the back shroud.Digital control cabinet 2 its front ends are placed with operation display panel; Be used for the rotating speed of feed device and the demonstration of feed line speed; Rear-end plate partly be placed with supply socket, power switch, be connected with motor and travel switch draw cable and main fuse seat and fuse, its inside is placed with motor-driven plate, direct current source plate, operation and the display control board of microcomputerized control.Digital control cabinet 2 be by microcomputer chip according to the output of adjustment motor automatically of load size, invariable and meet setting to keep output speed, and directly show the output speed and the parameters such as output line speed and feeding distance of motor by display floater.The function control of digital control cabinet 2 changes touch-key into by traditional resolution element, has increased the reliability and stability of system.The described digital control cabinet of the utility model is commercial product, and it is specifically formed, structure belongs to prior art, repeats no more.
The described travel switch 3 of the utility model be non-contact type near switch, form by switch bracket 31, inductive switch 32, permanent-magnet steel 33, stroke piece 34, link to each other with digital control cabinet 2 through cable, be used for the Stroke Control of workbench.As shown in Figure 3.Described travel switch 3 has been abandoned traditional touch type contact switch, adopts non-contact type near switch, thereby has increased the reliability and the service life of travel switch, and has simplified the structure of travel switch.
The said high-speed brushless DC electromotor 1 of the utility model can be a global facility with digital control cabinet 2, also can be independent separating component, interrelates through cable or wireless telecommunications.
The course of work of the utility model is: after the milling machine complete machine is accomplished; The keyway that connecting key on the leading screw is aimed on the utility model high-speed brushless DC electromotor 1 endoporus comes on the installed surface of workbench; Through 4 fixing holes on the support 11 and attachment screw the utility model is fixed in the milling machine table side end face then, order is laid lathe handgrip and axle head locking nut then; After feed device main body is laid end, lay travel switch again, switch bracket 31 is placed on the travel switch mounting hole site of lathe, stroke piece 34 is placed in the stroke piece mounting groove of workbench, accomplish the installation of travel switch; Then the connecting line of travel switch is connected with the cable of drawing on the digital control cabinet 2, at last power line is connected on the lathe power supply box, accomplish the whole erection process.
During use, turn on the power switch, energized, power supply is AC220V 50/60HZ.After configuring the output speed of high-speed brushless DC electromotor through the velocity setting function button on digital control cabinet 2 operation display panels; Press arrow button; High-speed brushless DC electromotor begins to rotate; And driving the machine tool lead screw feeding, high-speed brushless DC electromotor stops operating up to travel switch action back; Need press the rightabout control button this moment; High-speed brushless DC electromotor just can withdraw from the other direction; Withdraw from fast like need, can pin the fast moving button, high-speed brushless DC electromotor drives workbench with maximum speed and withdraws from rapidly; Unclamp the fast moving button, high-speed brushless DC electromotor returns to the setting speed running; Like emergency, can press stop button rapidly, high-speed brushless DC electromotor stops operating immediately, thereby avoids accident to take place, and ensures operator's safety.Its speed adjustable range is 0-260rpm.Maximal rate is 260rpm.Maximum output button square is 18N.M.Weight is 6.0 kg.
The utility model is easy for installation, and is simple to operate, is the optimal auto-feeder of milling machine.
Claims (6)
1. milling machine auto-feeder; It includes high-speed brushless DC electromotor, digital control cabinet and travel switch; Digital control cabinet is connected with travel switch through cable; It is characterized in that: said high-speed brushless DC electromotor is fixed in the milling machine table side end face, is connected with the milling machine leading screw, and it includes support, casing, stator, cup-shaped rotor and the planetary reduction gear that is connected with cup-shaped rotor; Said stator is made up of with threephase stator winding and position sensor and the stator cover that links to each other with stator core in being placed in stator coring groove stator core; Threephase stator winding and position sensor are connected with digital control cabinet through drawing cable; Stator is connected with cup-shaped rotor through the bearing of stator cover inwall, and is fixed on the support through being threaded of end of stator cover; Said cup-shaped rotor is made up of rotor bowl cover, rotor case and the permanent-magnet steel that is bonded on its inwall, and the rotor bowl cover is connected with rotor case through screw, and cup-shaped rotor covers in outside the stator, and the inner ring axle sleeve of rotor bowl cover is connected with stator through bearing; Said planetary reduction gear is made up of a centre wheel, three planetary gears, a planet stent and a ring gear; Centre wheel is fixed on the rotor bowl cover of cup-shaped rotor through screw; Three planetary gears are fixed on the planet stent through bearing and planet wheel spindle, and evenly distribute; Planet stent is connected with casing through bearing, and is connected with the milling machine leading screw through the key on the endoporus, drives leading screw and drives movable workbench, and ring gear is directly fixed on the casing inner wall.
2. milling machine auto-feeder according to claim 1 is characterized in that: the said casing outside is with dial, and dial is fixed on the planet stent through locking nut.
3. milling machine auto-feeder according to claim 1; It is characterized in that: described digital control cabinet is by control box, operation display panel, motor-driven plate, display control board; Back shroud is formed; Be fixed in through attachment screw on the base angle of casing, and be connected with high-speed brushless DC electromotor and travel switch respectively through the cable of drawing on the back shroud.
4. milling machine auto-feeder according to claim 1 is characterized in that: described travel switch be non-contact type near switch, form by switch bracket, inductive switch, permanent-magnet steel, stroke piece, link to each other with digital control cabinet through cable.
5. milling machine auto-feeder according to claim 1 is characterized in that: said high-speed brushless DC electromotor and digital control cabinet are a global facility.
6. milling machine auto-feeder according to claim 1 is characterized in that: the inboard of said rotor case is stained with a circle permanent-magnet steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201562385U CN202097598U (en) | 2011-05-17 | 2011-05-17 | Automatic feeding device of milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201562385U CN202097598U (en) | 2011-05-17 | 2011-05-17 | Automatic feeding device of milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202097598U true CN202097598U (en) | 2012-01-04 |
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ID=45383631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201562385U Expired - Fee Related CN202097598U (en) | 2011-05-17 | 2011-05-17 | Automatic feeding device of milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202097598U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198601A (en) * | 2011-05-17 | 2011-09-28 | 史玉福 | Automatic feeding device for milling machine |
| CN102554778A (en) * | 2012-02-17 | 2012-07-11 | 史玉福 | Automatic feeder of surface grinder |
| CN102916523A (en) * | 2012-11-01 | 2013-02-06 | 天津开利达控制技术开发有限公司 | Coaxial speed-down actuator |
-
2011
- 2011-05-17 CN CN2011201562385U patent/CN202097598U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198601A (en) * | 2011-05-17 | 2011-09-28 | 史玉福 | Automatic feeding device for milling machine |
| CN102554778A (en) * | 2012-02-17 | 2012-07-11 | 史玉福 | Automatic feeder of surface grinder |
| CN102916523A (en) * | 2012-11-01 | 2013-02-06 | 天津开利达控制技术开发有限公司 | Coaxial speed-down actuator |
| CN102916523B (en) * | 2012-11-01 | 2015-04-01 | 天津开利达控制技术开发有限公司 | Coaxial speed-down actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20120517 |