CN102489725A - Material conveying system of inverted vertical numerical control lathe - Google Patents
Material conveying system of inverted vertical numerical control lathe Download PDFInfo
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- CN102489725A CN102489725A CN2011104336770A CN201110433677A CN102489725A CN 102489725 A CN102489725 A CN 102489725A CN 2011104336770 A CN2011104336770 A CN 2011104336770A CN 201110433677 A CN201110433677 A CN 201110433677A CN 102489725 A CN102489725 A CN 102489725A
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Abstract
The invention provides a material conveying system of an inverted vertical numerical control lathe. The material conveying system comprises a rack, a conveying mechanism, a first position detection device and a second position detection device, wherein the conveying mechanism is arranged on the rack and used for conveying a workpiece; the first position detection device is used for detecting the horizontal move position of the workpiece, and when the first position detection device detects that the workpiece moves to a preset position, the inverted vertical numerical control lathe controls a clamping claw of a chuck of the lathe to open and come into contact with the workpiece in an abutted press manner so as to make the workpiece move downwards longitudinally; and the second position detection device is used for detecting the longitudinal move position of the workpiece, and when the second position detection device detects that the workpiece moves to a preset position, the inverted vertical numerical control lathes controls a spindle of the lathe to stop moving longitudinally and controls the clamping claw of the chuck to clamp the workpiece. By the adoption of the technical scheme disclosed by the invention, the spindle is high in positioning and grabbing precision, the structure is simple and the cost is low.
Description
Technical field
The present invention relates to field of machining, more specifically, relate to a kind of material transmission system of numerical control handstand lathe.
Background technology
The automated job in enormous quantities of the workpiece of shape comparison rule such as dish class and axle class adopts a plurality of numerical control handstand lathes of arranging according to processing sequence to process with pipeline system more.The main shaft of each numerical control handstand lathe is provided with the chuck that is used for grabbing workpiece; When processed workpiece is transferred to the Working position of next numerical control handstand lathe through material transmission system; The main axle moving of the numerical control handstand lathe at this place, the claw location grabbing workpiece of its chuck is realized automatic loading/unloading.
Material transmission system is as the important accessory of handstand car, and its function is to realizing the unmanned of numerical control handstand lathe, and highly automated equalization is most important.Its transporting velocity and positioning accuracy are high to the production efficiency influence.In the prior art; Material transmission system is in the process of carrying processing work; Employing manipulator location can be grasped workpiece by the stand upside down spindle chuck location of lathe of numerical control, but is adopted the locate mode positioning accuracy of manipulator location poor; Cause the physical location of workpiece and the crawl position, main shaft location of numerical control handstand lathe that deviation is arranged, efficient is grasped in influence.In addition, the manipulator location exists long, complex structure positioning time, shortcomings such as manufacturing cost height.
And the device that the material transmission system of present Digit Control Machine Tool is used for conveying workpieces mainly contains three kinds, is respectively raceway transport, belt pulley transport and tray conveying device.The raceway transport conveyor constructions is simple, realizes easily.But the raceway transport conveyor constructions is bigger, and junior machine is not suitable for, and raceway transport positioning accuracy is low on the other hand, and transporting velocity is slow, is not suitable for increasingly automated equipment.The wheeled transport conveyor constructions of belt is fairly simple, carries steadily, and can not produce very big noise.But because its layout type, the horizontal circle layout type can't be realized.The pellet type transport conveyor constructions is simple, and the speed of service is fast, and positioning accuracy is higher.But the wheel rail formula structure that the pellet type transportation is adopted, the structure more complicated, cost is higher.
Summary of the invention
The present invention is intended to propose a kind of material transmission system of numerical control handstand lathe, adopts the manipulator location with the material transmission system that solves numerical control handstand lathe in the prior art, has the problem of positioning accuracy difference.
The invention provides a kind of material transmission system of numerical control handstand lathe; The main shaft of numerical control handstand lathe is provided with the chuck that is used for grabbing workpiece; The material transmission system of numerical control handstand lathe comprises frame and is arranged on the conveying mechanism that is used for conveying workpieces on the frame; This material transmission system also comprises: the primary importance checkout gear is used to detect the position that moves horizontally of workpiece, when it detects workpiece and moves to predeterminated position; The claw of its chuck of numerical control handstand lathe control opens and compresses with workpiece and contacts, and workpiece is vertically moved down; Second place checkout gear is used to detect the position that vertically moves of workpiece, and when it detected workpiece and moves to predeterminated position, its main shaft of numerical control handstand lathe control stopped to vertically move, and the claw clamping workpiece of control chuck.
Further, conveying mechanism comprises and is used to drive the conveying frame that workpiece moves along throughput direction; Second place checkout gear comprises: movable part, can be arranged on longitudinal sliding on the frame, and the upper end of movable part can be promoted to move down by workpiece; Return mechanism is used to promote retract on the movable part position; Fork, the center is articulated on the frame through hinge, and first end is connected with movable part; First inductive switch is arranged on the frame, is used to detect the length travel of fork second end.
Further, conveying mechanism also comprises: be arranged on a plurality of sprocket wheels on the frame, each sprocket wheel is horizontally disposed with, and at least one sprocket wheel is driven by actuating unit; The chain of winding on each sprocket wheel, chain connect through connecting axle carries frame.
Further, the primary importance checkout gear is second inductive switch, is arranged on the frame, is used to detect the position that moves horizontally of connecting axle.
Further, frame is provided with the fixed head of horizontal expansion; Movable part is arranged on the fixed head top; Return mechanism is a spring, is arranged between fixed head and the movable part.
Further, the lower end of movable part is provided with a plurality of leads longitudinally, and fixed head is provided with the pilot hole of corresponding each lead, and each lead is located in the corresponding pilot hole; Spring is a plurality of, is set in respectively on each lead.
Further, the lower end of movable part is provided with the connecting rod of longitudinal extension, and the lower end of connecting rod is provided with and is used for and the hinged elongated hole of fork first end.
Further, also be provided with through hole on the fixed head, connecting rod passes from through hole.
Further, hinge is installed on the fixed head, and the position near fork second end on the frame also is provided with the groove that holds fork.
Further, second end of fork is provided with the collision block that is used to excite first inductive switch.
The material transmission system of a kind of numerical control handstand lathe provided by the invention; The technical scheme that matches through primary importance checkout gear and second place checkout gear realizes that the location of numerical control handstand lathe spindle chuck grasps; And the location is accurately reliable; Overcome the problem of the positioning accuracy difference of available technology adopting manipulator location existence, reached the effect that improves numerical control handstand lathe production efficiency.
Description of drawings
The accompanying drawing that constitutes a part of the present invention is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 has schematically shown the stereochemical structure of the material transmission system of numerical control handstand lathe of the present invention;
Fig. 2 has schematically shown the internal structure of the material transmission system of numerical control handstand lathe of the present invention;
Fig. 3 is local structure for amplifying for Fig. 2;
Fig. 4 has schematically shown the structure of second place checkout gear among the present invention; And,
Fig. 5 has schematically shown the structure of chain, connecting axle and conveying frame among the present invention.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the present invention.
Referring to Fig. 1 to Fig. 5, show the preferred embodiment of the material transmission system of a kind of numerical control handstand lathe provided by the invention.This material transmission system 100 is used for the FMC conveying workpieces at a plurality of numerical control handstand lathes compositions, realizes the increasingly automated high efficiency pipelining of FMC.The main shaft of numerical control handstand lathe is provided with the chuck that is used for grabbing workpiece.By finding out among Fig. 1, the material transmission system 100 of numerical control handstand lathe comprises frame 1 and is arranged on the conveying mechanism that is used for conveying workpieces on the frame 1.When workpiece is delivered to the spindle chuck crawl position of numerical control handstand lathe by material transmission system 100; The main shaft action of numerical control handstand lathe; Chuck jaws opens grabbing workpiece from the material transmission system 100, and main shaft drives the processing space that workpiece is retracted to this numerical control handstand lathe then.When after the process finishing of this numerical control handstand lathe, main shaft drive workpiece stretches out and workpiece still is placed on the material transmission system, makes workpiece continue to move along throughput direction.
This material transmission system also comprises primary importance checkout gear and second place checkout gear, is used to make the grasping movement of spindle chuck and the real-time transfer position of workpiece to be complementary, and realizes that the location of spindle chuck is grasped.Wherein, The primary importance checkout gear is used to detect the position that moves horizontally of workpiece; When it detects workpiece and moves to predeterminated position (this moment, workpiece moved to the position that numerical control handstand lathe spindle chuck can grasp along the throughput direction of level); Primary importance checkout gear notice numerical control handstand machine tool controller, its main shaft of numerical control handstand lathe control drives chuck action, the claw of chuck is opened and compress with workpiece to contact; Workpiece is contained in the scope of claw, the while main shaft promotes workpiece and vertically moves down in the process that compresses.Workpiece is in the process that vertically moves down; Second place checkout gear detects the position that vertically moves of workpiece, and when it detected workpiece and moves to predeterminated position, chuck compressed workpiece and moved down certain distance and can guarantee that workpiece fully is adjacent to the chuck benchmark this moment; Second place checkout gear notice numerical control handstand machine tool controller; Its main shaft of numerical control handstand machine tool controller control stops to vertically move, and the claw clamping workpiece of control chuck, realizes that spindle chuck grasps the location of workpiece.Behind the good workpiece of claw clamping, the chuck of main shaft moves to processing space at the self-sensor device effect numerical control handstand lathe control main shaft that sends a notice.
The material transmission system of numerical control handstand lathe provided by the invention; The technical scheme that matches through primary importance checkout gear and second place checkout gear; Realize the location extracting of numerical control handstand lathe spindle chuck; And the location is accurately reliable, has overcome the problem of the positioning accuracy difference of available technology adopting manipulator location workpiece existence, has reached the effect that improves numerical control handstand lathe production efficiency.
In conjunction with referring to figs. 2 and 5, show a kind of preferred implementation of conveying mechanism.As shown in the figure, conveying mechanism is a chain-drive mechanism, comprises a plurality of sprocket wheels 30 and the chain 31 (in Fig. 2 only schematically shown the set-up mode of chain 31, the practical structures of not shown chain) of winding on each sprocket wheel 30 successively.Each sprocket wheel 30 is horizontally set on the frame, and with chain 31 tensionings, wherein at least one sprocket wheel 30 is the drive sprocket that is driven by actuating unit 5.Actuating unit 5 is fixed on the frame 1, is the motor and speed reducer that is connected for example, and wherein the projecting shaft of reductor is connected with drive sprocket, drives chain 31 then with drive sprocket 30 and moves horizontally.
See Fig. 5, chain 31 is provided with pin-and-hole, and connecting axle 32 longitudinally is installed in the pin-and-hole, connects above the connecting axle 32 to carry frame 20, carries frame 20 to move horizontally with chain 31, carries frame 20 to be used to drive workpiece and moves along throughput direction.In the present embodiment, workpiece directly is placed on the supporting plane of frame 1, and carrying frame 20 is a hexagon frame, and workpiece is positioned at corresponding hexagon frame.When carrying frame 20 to move horizontally, drag and carry frame 20 inner workpiece also to move horizontally along throughput direction thereupon, to get into next processing stations with chain.Adopt the chain-drive mechanism transmitting workpiece, have simple in structure, positioning accuracy is high, cost is low and can the horizontal circle layout etc. advantage.
Preferably; The primary importance checkout gear is that second inductive switch 6 that is arranged on the frame 1 (has schematically shown the position that is provided with of second inductive switch 6 among Fig. 2; But and the annexation of not shown second inductive switch 6 and frame 1), be used to detect the position that moves horizontally of connecting axle 32.Particularly; Second inductive switch 6 for example is near switch; Through induction connecting axle 32; Obtain moving horizontally positional information and sending signal to numerical control handstand machine tool controller of connecting axle 32, notice numerical control handstand lathe is by the crawl position, workpiece horizontal feed to numerical control handstand lathe spindle chuck location of carrying frame 20 to drag, and its main shaft of numerical control handstand machine tool controller control drives the chuck action; The claw of chuck opens workpiece is contained in the claw scope, and compresses workpiece workpiece is vertically moved down.
Referring to Fig. 3 and Fig. 4, show the preferred implementation of second place checkout gear.This second place checkout gear comprises movable part 21, return mechanism 22, fork 23 and first inductive switch 24.Wherein, movable part 21 can be arranged on the frame 1 with longitudinal sliding, and the upper end of movable part 21 can be promoted by workpiece, and movable part 21 integral body are moved down.Return mechanism 22 is used to promote retract the position on the movable part 21.The middle part of fork 23 is articulated on the frame 1 through hinge 231, and fork first end is connected with movable part 21.First inductive switch 24 is arranged on the frame 1, is used to detect the length travel of fork 23 second ends.
Particularly, when chuck compresses workpiece when making it vertically to move down, workpiece promotes movable part 21 and moves down, and first end of fork 23 moves down with movable part 21, and second end of fork 23 upwarps, and workpiece tightly is being fitted on the chuck benchmark under the effect of return mechanism simultaneously.First inductive switch 24 sends signal through the positional information that vertically moves of sensing fork 23 second ends to numerical control handstand machine tool controller; Its chuck of notice numerical control handstand lathe fully contacts with workpiece; Numerical control handstand machine tool controller control main shaft stops to vertically move; And the claw clamping workpiece of control chuck, realize that the location of spindle chuck is grasped.Behind the good workpiece of claw clamping; The chuck of main shaft moves to processing space at the self-sensor device effect numerical control handstand machine tool controller control main shaft that sends a notice; Carry 20 edges of frame defeated material direction to continue to move; Movable part 21 is homing under the effect of return mechanism 22 also, drives fork 23 homings simultaneously.Preferably, second end of fork 23 is provided with collision block 232, and collision block 232 upwarps with fork 23 second ends, and the mode of clashing into first inductive switch 24 through collision block 232 excites first inductive switch 24 to send information to numerical control upside down machine bed controller.
By the preferred implementation that it can also be seen that movable part 21 and return mechanism 22 among Fig. 4.Movable part 21 is a tower structure, comprises upper cross plate, lower cross plate and is connected upper cross plate and the riser of lower cross plate, with weight reduction.Wherein upper cross plate is concordant basically with the supporting plane of frame 1 under nature.Frame 1 is provided with the fixed head 10 of horizontal expansion, and the lower cross plate of movable part 21 is arranged on fixed head 10 tops.Be provided with a plurality of leads longitudinally 211 in the lower end of movable part 21, fixed head 10 is provided with the pilot hole of corresponding each lead 211, and each lead 211 is located in the corresponding pilot hole, and pilot hole obviously is a through hole.Return mechanism 22 is for to be arranged on the spring between fixed head 10 and the movable part 21, and a plurality of springs are set in respectively on each lead 211.Spring forms the resiliency supported effect to movable part 21, and lead 211 plays the effect that boot activity part 21 vertically moves.Preferably, in conjunction with Fig. 2 and Fig. 4, frame 1 comprises fixed support portion that sprocket wheel is installed and the travel(l)ing rest portion that second place checkout gear is installed.Fixed head 10 is arranged in the travel(l)ing rest portion, and movable machine frame portion is removably mounted in the fixed support portion, so that transportation and assembling.
Preferably, be provided with the connecting rod 212 of longitudinal extension in the lower end of movable part 21, the lower end of connecting rod 212 is provided with elongated hole, and this elongated hole and fork 23 first ends are hinged.For simplified structure, preferably, on fixed head 10, also be provided with through hole, the lower end of connecting rod 212 passes the back and is connected with fork 23 first ends from through hole 102.Preferably, hinge 231 is installed on the fixed head 10.Position near fork 23 second ends on frame 1 also is provided with the groove 12 that holds fork 23, swings in fore-and-aft plane with 23 of forks of control.
Need to prove that though conveying mechanism is that example describes with the conveying frame of chain-drive mechanism and hexagonal-shaped frame in the preceding text, in other embodiments, conveying mechanism also can adopt other structures, carry frame 20 also can be the pellet type structure.When carrying frame 20 to be the pellet type structure; Workpiece is placed and is carried on the frame 20 with carrying frame 20 to move; Conveying mechanism is as long as allow to carry frame 20 in course of conveying, can vertically move; Thereby when workpiece vertically moves down,, send signal to numerical control handstand lathe, can realize technique effect of the present invention to touch second place checkout gear through carrying frame 20 to promote movable part 21 indirectly.In addition, the frame among the present invention can be supported by a plurality of Height Adjustable supporting legs 4.
In sum; Technical scheme of the present invention combines the mode of electrical equipment induction; When workpiece in conveying and crawl position, spindle chuck location coupling, main shaft drives chuck and does the action of grabbing workpiece, thereby provides a kind of simple in structure; Locate the material transmission system of accurate numerical control handstand lathe, when reducing the lathe manufacturing cost, improved the automatization level of FMC.In addition; Conveying mechanism adopts chain-drive mechanism; The motor that drives the drive sprocket motion can adopt servomotor, can realize the quick replacing of different workpieces, and chain-drive mechanism possesses high speed, high-mechanic, characteristic easy to maintenance; Satisfy the speed and the performance demands of modern machine, also further simplified the structure of material transmission system and reduced cost.
One of ordinary skill in the art will appreciate that; The partial devices of realization the foregoing description can be accomplished through the relevant hardware of programmed instruction; Aforementioned program can be stored in the computer read/write memory medium, and this program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or laser disc.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the material transmission system of a numerical control handstand lathe; The main shaft of said numerical control handstand lathe is provided with the chuck that is used to grasp said workpiece; The material transmission system (100) of said numerical control handstand lathe comprises frame (1) and is arranged on the conveying mechanism that is used for conveying workpieces on the said frame (1); It is characterized in that this material transmission system also comprises:
The primary importance checkout gear; Be used to detect the position that moves horizontally of said workpiece; When it detected said workpiece and moves to predeterminated position, the claw of said its chuck of numerical control handstand lathe control opened and compresses with said workpiece and contacts, and said workpiece is vertically moved down;
Second place checkout gear is used to detect the position that vertically moves of said workpiece, and when it detected said workpiece and moves to predeterminated position, said its main shaft of numerical control handstand lathe control stopped to vertically move, and controls the said workpiece of claw clamping of said chuck.
2. material transmission system according to claim 1 is characterized in that,
Said conveying mechanism comprises and is used to drive the conveying frame (20) that said workpiece moves along throughput direction;
Said second place checkout gear comprises: movable part (21), can be arranged on longitudinal sliding on the said frame (1), and the upper end of said movable part (21) can be promoted to move down by said workpiece; Return mechanism (22) is used to promote retract the position on the said movable part (21); Fork (23), the center is articulated on the said frame (1) through hinge (231), and first end is connected with said movable part (21); First inductive switch (24) is arranged on the said frame (1), is used to detect the length travel of said fork (23) second ends.
3. material transmission system according to claim 1 and 2 is characterized in that, said conveying mechanism also comprises:
Be arranged on a plurality of sprocket wheels (30) on the said frame, each said sprocket wheel is horizontally disposed with, and at least one said sprocket wheel is driven by actuating unit;
The chain (31) of winding on each said sprocket wheel, said chain (31) connects said conveying frame (20) through connecting axle (32).
4. material transmission system according to claim 3 is characterized in that, said primary importance checkout gear is second inductive switch, is arranged on the said frame (1), is used to detect the position that moves horizontally of said connecting axle (32).
5. material transmission system according to claim 2 is characterized in that, said frame (1) is provided with the fixed head (10) of horizontal expansion; Said movable part (21) is arranged on said fixed head (10) top; Said return mechanism (22) is a spring, is arranged between said fixed head (10) and the said movable part (21).
6. material transmission system according to claim 5; It is characterized in that; The lower end of said movable part (21) is provided with a plurality of leads longitudinally (211); Said fixed head (10) is provided with the pilot hole of corresponding each said lead, and each said lead (211) is located in the corresponding said pilot hole; Said spring is a plurality of, is set in respectively on each said lead (211).
7. material transmission system according to claim 5 is characterized in that, the lower end of said movable part (21) is provided with the connecting rod (212) of longitudinal extension, and the lower end of said connecting rod (212) is provided with and is used for and the hinged elongated hole of said fork (23) first ends.
8. material transmission system according to claim 7 is characterized in that, said fixed head also is provided with through hole on (10), and said connecting rod (212) passes from said through hole (102).
9. material transmission system according to claim 5 is characterized in that, said hinge (231) is installed on the said fixed head (10), and the position that said frame (1) goes up near said fork (23) second ends also is provided with the groove (12) that holds said fork.
10. material transmission system according to claim 2 is characterized in that, second end of said fork (23) is provided with the collision block (232) that is used to excite said first inductive switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104336770A CN102489725A (en) | 2011-12-21 | 2011-12-21 | Material conveying system of inverted vertical numerical control lathe |
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| CN2011104336770A CN102489725A (en) | 2011-12-21 | 2011-12-21 | Material conveying system of inverted vertical numerical control lathe |
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| CN102489725A true CN102489725A (en) | 2012-06-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102756133A (en) * | 2012-07-31 | 2012-10-31 | 沈阳机床(集团)有限责任公司 | Numerical control inverted vertical milling center using electric main shaft structure |
| CN104722782A (en) * | 2015-03-31 | 2015-06-24 | 宁波宫铁精机有限公司 | Press-in type one-way feeding mechanism |
| CN105712032A (en) * | 2016-03-26 | 2016-06-29 | 金华职业技术学院 | Flexible production line for packet delivering |
| CN105922059A (en) * | 2016-07-07 | 2016-09-07 | 沈机集团（香港）有限公司 | Double-station material channel device for numerically-controlled machine tool |
| CN112672838A (en) * | 2018-10-10 | 2021-04-16 | 西铁城时计株式会社 | Machine tool |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756133A (en) * | 2012-07-31 | 2012-10-31 | 沈阳机床(集团)有限责任公司 | Numerical control inverted vertical milling center using electric main shaft structure |
| CN104722782A (en) * | 2015-03-31 | 2015-06-24 | 宁波宫铁精机有限公司 | Press-in type one-way feeding mechanism |
| CN105712032A (en) * | 2016-03-26 | 2016-06-29 | 金华职业技术学院 | Flexible production line for packet delivering |
| CN105922059A (en) * | 2016-07-07 | 2016-09-07 | 沈机集团（香港）有限公司 | Double-station material channel device for numerically-controlled machine tool |
| CN105922059B (en) * | 2016-07-07 | 2018-01-19 | 沈机集团（香港）有限公司 | A kind of double material road device for Digit Control Machine Tool |
| CN112672838A (en) * | 2018-10-10 | 2021-04-16 | 西铁城时计株式会社 | Machine tool |
| CN112672838B (en) * | 2018-10-10 | 2024-03-26 | 西铁城时计株式会社 | Machine tool |
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Application publication date: 20120613 |