CN206764415U - A kind of cam linkage formula tool-changing mechanical arm of servo-drive - Google Patents
A kind of cam linkage formula tool-changing mechanical arm of servo-drive Download PDFInfo
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- CN206764415U CN206764415U CN201720544972.6U CN201720544972U CN206764415U CN 206764415 U CN206764415 U CN 206764415U CN 201720544972 U CN201720544972 U CN 201720544972U CN 206764415 U CN206764415 U CN 206764415U
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- cam
- servo
- mechanical arm
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- casing
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Abstract
It the utility model is related to a kind of cam linkage formula tool-changing mechanical arm of servo-drive, it is made up of servo drive unit, synchronous belt transmission device, gear shaft, double cam mechanism, splined shaft, hub splines, globoid cam roller, plane cam roller and oscillating arm mechanisms, servo drive unit is by synchronous motor and reducing gear into being coupled by synchronous belt transmission device with gear shaft；Double cam mechanism includes plane cam and globoid cam, and the outerplanar and inner plane of plane cam are machined with cam curve slot and umbrella tooth respectively, and umbrella tooth is meshed with gear shaft, and some cambered surface grooves are distributed with globoid cam；The splined shaft and hub splines of mutual cooperation are installed parallel to gear shaft, and spline guide wheel is provided with splined shaft；Plane cam roller is installed in oscillating arm mechanisms, and is meshed respectively with spline guide wheel and cam curve slot；Globoid cam roller is distributed in the circumferencial direction of hub splines, and is meshed with cambered surface groove.The utility model is simple in construction, tool change time is short, controllability stability is strong.
Description
Technical field
It the utility model is related to a kind of automatic tool switch, the double cam linkage under more particularly to a kind of SERVO CONTROL
Formula tool-changing mechanical arm.
Background technology
With the development of High-speed Machining Technology, the cutting time constantly shortens, for the secondary process time such as automatic tool changer
It is required that also more and more higher, lifting tool-changing speed turn into the important means for improving production efficiency.Tool-changing mechanical arm is automatic tool changer
The main tool of cutter is exchanged in device, is responsible for and the cutter on tool magazine is sent to main shaft and used cutter on main shaft
The task of tool magazine is returned, it is necessary to carry out two kinds of actions of cutter crawl and Tool changeover.Current tool-changing mechanical arm is mostly by asynchronous
Motor is driven, complicated, and tool change time length, tool-changing speed lifting is restricted, and during mechanical arm crawl main shaft knife handle
Movement velocity it is uncontrollable, cause that the impact in each exchanging knives process to main shaft is bigger, and reliability and stability are by shadow
Ring.
The content of the invention
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided one kind is simple in construction, tool change time is short, can
Control property is strong, the high-precision cam linkage formula tool-changing mechanical arm of stable performance, can effectively reduce in exchanging knives process and main shaft is rushed
Hit.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：A kind of servo-drive
Cam linkage formula tool-changing mechanical arm, by casing, servo drive unit, synchronous belt transmission device, gear shaft, double cam mechanism,
Splined shaft, hub splines, globoid cam roller, plane cam roller and oscillating arm mechanisms composition, wherein, servo drive unit by
Synchronous motor and reducing gear are into its output end is coupled by synchronous belt transmission device with gear shaft；Gear shaft passes through gear shaft
Hold and be installed in the gear shaft holder of casing bottom, its increment is located at box house；Double cam mechanism passes through camshaft and cam
Bearing is installed on box house, and it includes plane cam and globoid cam two parts, and the outerplanar of plane cam is machined with cam
Curved groove, inner plane outer ring are machined with umbrella tooth, and the umbrella tooth is meshed with the increment of gear shaft, and some cambered surfaces are distributed with globoid cam
Groove；Splined shaft is installed on by linear bearing in the linear bearing seat on casing top, and hub splines is installed by spline bearing
In in the splined shaft bearing of casing bottom, splined shaft passes through spline fitted with hub splines；Spline guide wheel is provided with splined shaft；
The oscillating arm mechanisms are installed on the swing arm bearing block of body side by swing arm bearing；Plane cam roller is installed on swing arm machine
In structure, and the cam curve slot with spline guide wheel and plane cam is meshed respectively；Globoid cam roller is distributed in splined shaft
The circumferencial direction of set, and be meshed with the cambered surface groove of globoid cam.
A kind of cam linkage formula tool-changing mechanical arm of above-mentioned servo-drive, the cam axial end are provided with origin switch,
Box outer surface is provided with the sensor corresponding with origin switch.
A kind of cam linkage formula tool-changing mechanical arm of above-mentioned servo-drive, the double cam mechanism are socketed on convex by flat key
On wheel shaft, camshaft is set up in box house by front and rear two groups of camshaft bearings, wherein preceding group of camshaft bearing is installed on a casing left side
In the eccentric bushing of side, rear camshaft bearing of organizing is installed in the bearing block of casing right flank.
The cam linkage formula tool-changing mechanical arm of above-mentioned a kind of servo-drive, at the linear bearing seat end face and eccentric bushing
It is provided with sealing dust-proof device.
A kind of cam linkage formula tool-changing mechanical arm of above-mentioned servo-drive, it is provided with regarding oilhole on the casing, depending on oilhole
Inside it is provided with regarding oil mirror；Casing upper surface is provided with spiracle.
Compared with prior art, the beneficial effects of the utility model are：The utility model uses synchronous motor reductor
Driving coordinates the cam curve movement with adapting to therewith, can not only shorten tool change time, improves production efficiency, and output end
Movement velocity is controllable, can effectively reduce impact of the exchanging knives process to main shaft, improves Main Shaft Service Life.Believed simultaneously using sensor
Number triggering is corresponding with synchronous motor light code signal realizes manipulator back to zero, simple in construction, precisely reliably.
Brief description of the drawings
Fig. 1 is external structure schematic diagram of the present utility model.
Fig. 2 is one of meshing relation schematic diagram inside the utility model.
Fig. 3 is two of meshing relation schematic diagram inside the utility model.
Fig. 4 is the utility model double cam mechanism mounting structure schematic diagram.
Fig. 5 is the utility model splined shaft and hub splines mounting structure schematic diagram.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
With reference to shown in Fig. 1 to Fig. 4, the cam linkage formula tool-changing mechanical arm of a kind of servo-drive of the utility model, by casing
1st, synchronous motor 2, reductor 3, synchronous belt transmission device 4, gear shaft 5, gear shaft holder 6, double cam mechanism 7, camshaft 8,
Splined shaft 9, hub splines 10, globoid cam roller 11, plane cam roller 12 and oscillating arm mechanisms 13 form.Synchronous motor 2
Servo drive unit of the present utility model is formed with reductor 3, its output end passes through synchronous belt transmission device 4 and gear shaft 5
Connect.Gear shaft 5 is installed in gear shaft holder 6 by gear-bearing, and its increment is located inside casing 1.Double cam mechanism 7 passes through
Flat key 14 is socketed on camshaft 8, and camshaft 8 is set up in inside casing 1 by front and rear two groups of camshaft bearings, lordosis wheel bearing peace
In eccentric bushing 15 loaded on the left surface of casing 1, rear camshaft bearing is installed in the bearing block of the right flank of casing 1.The end of camshaft 8
Face is provided with origin switch 16, and the outer surface of casing 1 is provided with the sensor 17 corresponding with origin switch 16.Set depending on oil mirror 18
At the back side of casing 1；To ensure that pressure keeps balance during the internal motion of casing 1, the upper surface of casing 1 is additionally provided with spiracle
19。
Divide with reference to Fig. 2 and Fig. 3 double cams mechanism 7 for plane cam 71 and the two parts of globoid cam 72, plane cam 71
Outerplanar is machined with cam curve slot 711, and inner plane outer ring is machined with umbrella tooth 712, and umbrella tooth 712 and the increment of gear shaft 5 are mutually nibbled
Close, back lash can be adjusted by eccentric bushing 15；Cambered surface groove 721 is distributed with globoid cam 72.
With reference to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 5, splined shaft 9 is installed in linear bearing seat 20 by linear bearing, directly
The end face of bobbin bearing 20 is provided with sealing dust-proof device 21；Hub splines 10 is installed on splined shaft bearing 22 by spline bearing
Interior, splined shaft 9 passes through spline fitted with hub splines 10.Spline guide wheel 23 is provided with splined shaft 9；Oscillating arm mechanisms 13 pass through pendulum
Arm axle, which is held, to be installed on the swing arm bearing block 24 of the side of casing 1；Plane cam roller 12 is installed in oscillating arm mechanisms 13, and respectively
It is meshed with spline guide wheel 23 and cam curve slot 711；Globoid cam roller 11 is distributed in the circumferencial direction of hub splines 10,
And it is meshed with the cambered surface groove 721 of globoid cam 72.
When performing tool changing action, the synchronized belt driver 4 of driving force and gear shaft 5 of synchronous motor 2 are delivered to double
In cam mechanism 7, double cam mechanism 7 is driven to rotate.On the one hand, the rotational band movable pendulum arm mechanism 13 of double cam mechanism 7 moves, and enters
And drive splined shaft 9 to move up and down by spline guide wheel 23, so as to complete broaching tool action up or down.On the other hand, it is double
The rotation of cam mechanism 7 can also be such that globoid cam roller 11 cuts in the different cambered surface grooves of globoid cam 72, globoid cam
The tangential motion of roller 11 and cambered surface groove 721 drives splined shaft 9 to rotate, so as to realize that cutter rotates switching motion.
Although the utility model is described in detail above, the utility model not limited to this, art technology
Personnel can carry out various modifications according to principle of the present utility model.Therefore, all modifications made according to the utility model principle,
It all should be understood to fall into the scope of protection of the utility model.
Claims (9)
1. a kind of cam linkage formula tool-changing mechanical arm of servo-drive, by casing, servo drive unit, synchronous belt transmission device,
Gear shaft, double cam mechanism, splined shaft, hub splines, globoid cam roller, plane cam roller and oscillating arm mechanisms composition,
Characterized in that, servo drive unit by synchronous motor with reducing gear into its output end passes through synchronous belt transmission device and tooth
Wheel shaft couples；Gear shaft is installed on by gear-bearing in the gear shaft holder of casing bottom, and its increment is located at box house；It is double
Cam mechanism is installed on box house by camshaft and camshaft bearing, and it includes plane cam and globoid cam two parts, puts down
The outerplanar of face cam is machined with cam curve slot, and inner plane outer ring is machined with umbrella tooth, and the umbrella tooth and the increment of gear shaft are mutually nibbled
Close, some cambered surface grooves are distributed with globoid cam；Splined shaft is installed on by linear bearing in the linear bearing seat on casing top,
Hub splines is installed in the splined shaft bearing of casing bottom by spline bearing, and splined shaft is matched somebody with somebody with hub splines by spline
Close；Spline guide wheel is provided with splined shaft；The oscillating arm mechanisms are installed on the swing arm bearing block of body side by swing arm bearing
On；Plane cam roller is installed in oscillating arm mechanisms, and is mutually nibbled with the cam curve slot of spline guide wheel and plane cam respectively
Close；Globoid cam roller is distributed in the circumferencial direction of hub splines, and is meshed with the cambered surface groove of globoid cam.
2. the cam linkage formula tool-changing mechanical arm of a kind of servo-drive according to claim 1, it is characterised in that described convex
Wheel axle end surface is provided with origin switch, and box outer surface is provided with the sensor corresponding with origin switch.
A kind of 3. cam linkage formula tool-changing mechanical arm of servo-drive according to claim 1 or 2, it is characterised in that institute
Double cam mechanism to be stated to be socketed on camshaft by flat key, camshaft is set up in box house by front and rear two groups of camshaft bearings,
Wherein preceding group of camshaft bearing is installed in the eccentric bushing of casing left surface, the rear bearing organized camshaft bearing and be installed on casing right flank
In seat.
A kind of 4. cam linkage formula tool-changing mechanical arm of servo-drive according to claim 1 or 2, it is characterised in that institute
State and be provided with sealing dust-proof device at linear bearing seat end face and eccentric bushing.
5. the cam linkage formula tool-changing mechanical arm of a kind of servo-drive according to claim 3, it is characterised in that described straight
Sealing dust-proof device is provided with bobbin bearing end face and eccentric bushing.
A kind of 6. cam linkage formula tool-changing mechanical arm of servo-drive according to claim 1 or 2, it is characterised in that institute
State and be provided with casing regarding oilhole, depending on being provided with oilhole regarding oil mirror；Casing upper surface is provided with spiracle.
A kind of 7. cam linkage formula tool-changing mechanical arm of servo-drive according to claim 3, it is characterised in that the case
It is provided with body regarding oilhole, depending on being provided with oilhole regarding oil mirror；Casing upper surface is provided with spiracle.
A kind of 8. cam linkage formula tool-changing mechanical arm of servo-drive according to claim 4, it is characterised in that the case
It is provided with body regarding oilhole, depending on being provided with oilhole regarding oil mirror；Casing upper surface is provided with spiracle.
A kind of 9. cam linkage formula tool-changing mechanical arm of servo-drive according to claim 5, it is characterised in that the case
It is provided with body regarding oilhole, depending on being provided with oilhole regarding oil mirror；Casing upper surface is provided with spiracle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720544972.6U CN206764415U (en) | 2017-05-17 | 2017-05-17 | A kind of cam linkage formula tool-changing mechanical arm of servo-drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720544972.6U CN206764415U (en) | 2017-05-17 | 2017-05-17 | A kind of cam linkage formula tool-changing mechanical arm of servo-drive |
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| Publication Number | Publication Date |
|---|---|
| CN206764415U true CN206764415U (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720544972.6U Active CN206764415U (en) | 2017-05-17 | 2017-05-17 | A kind of cam linkage formula tool-changing mechanical arm of servo-drive |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975958A (en) * | 2017-05-17 | 2017-07-25 | 北京精雕精密机械制造有限公司 | A kind of cam linkage formula tool-changing mechanical arm of servo-drive |
-
2017
- 2017-05-17 CN CN201720544972.6U patent/CN206764415U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975958A (en) * | 2017-05-17 | 2017-07-25 | 北京精雕精密机械制造有限公司 | A kind of cam linkage formula tool-changing mechanical arm of servo-drive |
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