A kind of self-feeding and clamping device based on machine vision size detection machine
Technical field
The invention belongs to intelligent machine technical fields, and in particular to a kind of sending automatically based on machine vision size detection machine
Material and clamping device.
Background technique
With manufacturing development, demand that traditional artificial detection is out of step with the times.
In order to realize online size detection, the automatic detection of workpiece, the batch on-line checking of high quality and high efficiency is formed
Ability, machine vision technique are just put into manufacture and be used in industry.
There is the on-line checking of the cylindrical work of inner hole in end face, existing due to the upper discharge position of workpiece, placement state etc.
There is technology to there is technical issues that the operations such as its feeding, crawl, positioning, causes detection efficiency low, and
Detection accuracy is also difficult to ensure.
The present invention by view-based access control model detect control signal to end face have inner hole roundlet cylindrical workpiece self-feeding and folder
Tight device improves design.
Summary of the invention
The purpose of the present invention is to solve the feeding of the cylindrical work automatic detection of end face apertures and clamping to ask
Topic, proposes a kind of self-feeding and clamping device, the detection signal based on machine vision size detection machine to self-feeding and
Clamping device is controlled and is adjusted, and the positioning accuracy of workpiece is improved, convenient for the online dimensional measurement of workpiece.
The present invention provides a kind of self-feeding based on machine vision size detection machine and clamping device, mainly include into
To mechanism, workpiece grip mechanism and workpiece clamping mechanism;
The feed mechanism includes feed mechanism vertical portion and feed mechanism horizontal component;Feed mechanism vertical portion is perpendicular
Directly it is installed on the workbench;
The feed mechanism vertical portion is from top to bottom by motor mount, servo motor, shaft coupling, ball-screw, cunning
Motion block, guide rail, bearing block composition;
The motor mount is fixedly connected with one end of the guide rail;Servo motor is fixed on the motor mount
On, one end of ball-screw is connected by the power output end of shaft coupling and servo motor;Sliding shoe is fitted to ball wire
On thick stick, and sliding shoe is slided along the guide rail;The other end of ball-screw is fixed on the bearing block by bearing;It is described
Bearing block is fixedly connected with the other end of the guide rail;
Horizontal component is identical as vertical portion structure, also, the guide rail of horizontal component is fixed on the cunning of the vertical portion
On motion block;
The sliding shoe lower part of horizontal component is equipped with workpiece grip mechanism;
The workpiece clamping mechanism includes electronic top component and pneumatic finial component;
Electronic top component and pneumatic finial component are separately positioned on the two sides immediately below the workpiece grip mechanism.
Further, the workpiece grip mechanism includes clamping motor, deep groove ball bearing, air pump, cylinder, cylinder piston
Bar, air cylinder support, clamping jaw connecting plate;Clamping motor is mounted on the top of air cylinder support, and the outer ring of deep groove ball bearing one is fixed on
On the inner wall of air cylinder support, the output shaft end for clamping motor is connected by the top of flange and cylinder, and the cylinder is fixed on
In the inner ring of deep groove ball bearing one;
Cylinder piston rod extends downwardly air cylinder support, and the end of cylinder piston rod is threadedly coupled with thread bush, thread bush two
Side is symmetrically connected with a pair of of clamping jaw connecting plate by pin, and pin is respectively adopted on a pair of of clamping jaw connecting plate and is connected with an elasticity
The middle and upper part position of clamping jaw, the elasticity clamping jaw is linked together using pin and connecting plate;
Further, the electronic top component includes top motor, retarder, synchronous pulley one, synchronous pulley two, electricity
It moves top;
Top motor connects retarder, and retarder is fixedly connected with synchronous pulley one;Synchronous pulley two and electronic top
Axis is fixedly connected;Synchronous pulley one, synchronous pulley two are connected using belt;
The pneumatic finial component includes pneumatic finial, tailstock body, top cylinder, top axle sleeve, deep groove ball bearing three, pushes away
Power ball bearing two, deep groove ball bearing four;
Top axle sleeve is horizontally arranged in the through hole of tailstock body, and top cylinder is installed to tailstock body;Pneumatic finial is logical
Deep groove ball bearing three, thrust ball bearing two, deep groove ball bearing four are crossed, is supported in top axle sleeve;The rear end of pneumatic finial passes through
One plug screw is connected with the top piston rod of top cylinder, and the front end of pneumatic finial passes through end cap, the end cap and top axle sleeve
It is fixed.
Further, retarder is mounted on rear mounting plate.
Further, the output end of retarder is connected by flat key with synchronous pulley one, is combined with positioning end cap one tight
Screw is determined to one location and installation of synchronous pulley.
Further, it is connected between synchronous pulley two and electronic top axis by flat key, positioning end cap is used when installation
Two combine holding screw to carry out location and installation to synchronous pulley two.
Further, the rear end of electronic tail spindle is fixed on rear mounting plate using thrust ball bearing one, front end and zanjon
Ball bearing two is fitted on front mounting plate.
It further include a locking nut as a kind of preferred means, locking nut and electronic top nose threads cooperate,
Deep groove ball bearing two is pre-tightened.
Further, plug screw is used and is threadably mounted in top axle sleeve.
As a kind of preferred means, an axle sleeve is provided between the rear end and plug screw of pneumatic finial.
Compared with prior art, the beneficial effects of the present invention are:
(1) workpiece in charging tray is positioned using real-time screen monitoring system in the design, constantly to feed mechanism
It is adjusted, improves the positioning accuracy of workpiece.
(2) clamping device size can be adjusted according to clamped workpiece size, can adapt to different type, different rulers
Very little small cylindrical workpiece.
(3) feed mechanism each section independently drives, and structure is simple, easy to control.
(4) clamping device can rotate in the design, and can grab various axis and horizontal line has the cylindrical work of angle
Part, and using elastic clamping jaw, workpiece surface will not be caused to damage.
Detailed description of the invention
Fig. 1 is the self-feeding of size detection machine of the present invention and the general structure schematic diagram of clamping device;
Fig. 2 is workpiece grip mechanism structural schematic diagram of the invention;
Fig. 3 is electronic top component structure diagram of the invention;
Fig. 4 is pneumatic finial component structure diagram of the invention.
In figure:
1, motor mount;2, workpiece grip mechanism;3, electronic top component;4, guide rail;5, pneumatic finial;6, pneumatic top
Sharp component;7, workbench;8, motor is clamped;9, air pump bracket;10, flange;11, deep groove ball bearing one;12, air pump;13, cylinder
Piston rod;14, air cylinder support;15, clamping jaw connecting plate;16, elastic clamping jaw;17, deep groove ball bearing two;18, front mounting plate;19,
Thrust ball bearing;20, synchronous pulley two;21, end cap two is positioned;22, synchronous pulley one;23, end cap one is positioned;24, rear installation
Plate;25, top motor;26, retarder;27, pedestal;28, locking nut;29, end cap;30, deep groove ball bearing three;31, top
Axle sleeve;32, tailstock body;33, deep groove ball bearing four;34, axle sleeve;35, plug screw;36, top piston rod;37, top cylinder;38,
Detector bracket;39, thread bush;40, electronic top;41, thrust ball bearing two.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing:
A kind of self-feeding and clamping device based on machine vision size detection machine of the invention mainly includes feeding machine
Structure, workpiece grip mechanism and workpiece clamping mechanism.
The feed mechanism includes feed mechanism vertical portion 1 and feed mechanism horizontal component.Feed mechanism vertical portion 1
It is vertically-mounted on the table 7 by bracket.
As shown in Figure 1, the feed mechanism vertical portion 1 from top to bottom by motor mount, servo motor, shaft coupling,
Ball-screw, sliding shoe, guide rail, bearing block composition.The motor mount is fixedly connected with one end of the guide rail.Servo electricity
Machine is fixed on the motor mount, and one end of ball-screw is connected by the power output end of shaft coupling and servo motor.
Sliding shoe is fitted on ball-screw, and sliding shoe is slided along the guide rail.The other end of ball-screw passes through bearing
It is fixed on the bearing block.The bearing block is fixedly connected with the other end of the guide rail.
Horizontal component 2 in the present invention is identical as 1 structure of vertical portion, also, the guide rail of horizontal component be fixed on it is described
On the sliding shoe of vertical portion 1.
The size of horizontal component, stroke are different from vertical portion 1, and the driving motor of vertical portion 1 has brake function
Can, to realize that sliding block is self-locking in vertical lift.
The sliding shoe lower part of horizontal component is equipped with workpiece grip mechanism.The specific structure of workpiece grip mechanism 2 such as attached drawing 2
It is shown.
The workpiece grip mechanism 2 includes clamping motor 8, deep groove ball bearing 1, air pump 12, cylinder, cylinder piston rod
13, air cylinder support 14, clamping jaw connecting plate 15.
Clamping motor 8 is mounted on the top of air cylinder support 14, and the outer ring of deep groove ball bearing 1 is fixed on air cylinder support 14
Inner wall on, the output shaft end of clamping motor 8 is connect by flange 10 with the top of cylinder, and the cylinder is fixed on deep-groove ball
In the inner ring of bearing 1.That is, cylinder is erected in air cylinder support 14 by deep groove ball bearing 1,10 upper end of flange passes through spiral shell
It follows closely and is connect with the output shaft end of clamping motor 8, the lower part of flange 10 is fixedly connected with (cylinder head with cylinder top by screw
With the counterbore with screw fit).Air pump 12 is supported on the top of the air cylinder support 14 by air pump bracket 9, and air pump 12 is right
Cylinder is inflated or bleed air operation.
Cylinder piston rod 13 extends downwardly air cylinder support 14, and the end of cylinder piston rod 13 is threadedly coupled with thread bush 39,
39 two sides of thread bush are symmetrically connected with a pair of of clamping jaw connecting plate 15 by pin, and pin is respectively adopted on a pair of of clamping jaw connecting plate 15
It is connected with an elastic clamping jaw 16, the middle and upper part position of the elasticity clamping jaw 16 is linked together using pin and connecting plate.On
The component for stating each pin connection can be freely rotated around pin.
When cylinder piston rod 13 moves downward, pass through the company of thread bush 39, clamping jaw connecting plate 15, the elastic composition of clamping jaw 16
The folding of a pair of elastic clamping jaw of linkage control, to realize clamping and put down workpiece.The workpiece grip mechanism cylinder with
The radial force that swinging during work generates is born with deep groove ball bearing one in the coupling part for clamping motor, guarantees workpiece grip mechanism
Rotating accuracy prevents clamping motor shaft stress bending.
Clamping device size can be adjusted according to clamped workpiece size, can adapt to different type, different sizes
Small cylindrical workpiece.
Clamping device can rotate, and can grab various axis and horizontal line has the cylindrical work of angle, and uses bullet
Property clamping jaw, will not cause to damage to workpiece surface.
The workpiece clamping mechanism includes electronic top component and pneumatic finial component.Electronic top component and pneumatic finial
Component is separately positioned on the two sides immediately below the workpiece grip mechanism.
Referring to attached drawing 3, the electronic top component includes top motor 25, retarder 26, synchronous pulley 1, synchronous belt
Take turns 2 20, electronic top 40.
Top motor 25 connects retarder 26, and retarder 26 is mounted on rear mounting plate 24.The output end of retarder 26 is logical
It crosses flat key to be connected with synchronous pulley 1, combines holding screw to one 22 location and installation of synchronous pulley with positioning end cap 1,
So that synchronous pulley 1 and retarder 26 are relatively fixed.Connected between synchronous pulley 2 20 and electronic top 40 axis by flat key
It connects, combines holding screw to carry out location and installation to synchronous pulley two using positioning end cap 2 21 when installation, so that synchronous pulley two
20 is relatively fixed with electronic top 40 axis.The rear end of electronic top 40 axis is fixed on rear mounting plate using thrust ball bearing 1
On 24, front end and deep groove ball bearing 2 17 are fitted on front mounting plate 18, while using locking nut 28 to deep-groove ball axis
2 17 are held to be pre-tightened.As shown in figure 3, locking nut 28 and electronic top 40 nose threads cooperate.Front mounting plate 18, rear peace
Loading board 24 is mounted on pedestal 27.Synchronous pulley 1, synchronous pulley 2 20 are connected using belt.
Referring to shown in attached drawing 4, the pneumatic finial component of the clamping device includes pneumatic finial 5, tailstock body 32, top gas
Cylinder 37, top axle sleeve 31, deep groove ball bearing 3 30, thrust ball bearing 2 41, deep groove ball bearing 4 33.
Top axle sleeve 31 is horizontally arranged in the through hole of tailstock body 32, in the top installation to tailstock body 32 of cylinder 37.
Pneumatic finial 5 is supported on top by deep groove ball bearing 3 30, thrust ball bearing 2 41, deep groove ball bearing 4 33
In axle sleeve 31.The rear end of pneumatic finial 5 is connected by a plug screw 35 with the top piston rod 36 of top cylinder 37, pneumatic to push up
The front end of point 5 passes through end cap 29, and the end cap 29 and top axle sleeve 31 are fixed.Preferably, the rear end of pneumatic finial 5 and plug screw 35
Between be provided with an axle sleeve 34, plug screw 35 is using being threadably mounted in top axle sleeve 31, by plug screw 35 in top axle sleeve 31
Interior turn can carry out deep groove ball bearing 3 30, thrust ball bearing 2 41, deep groove ball bearing 4 33 by the transmitting of axle sleeve 34 pre-
Tightly.
Top piston rod 36 pushes entire top axle sleeve 31 to move forward and backward.
It is the inner hole being inserted on roundlet cylindricality workpiece end face for convenience that electronic top, pneumatic finial, which is arranged, in the present invention.
Steps are as follows for the working principle of self-feeding and clamping device of the invention and execution:
(1) feed mechanism motor resets to initial position;
(2) after vision detection system is to workpiece positioning in charging tray, servo motor drives clamping device rotation, cylinder driving
Clamping device grabbing workpiece;
(3) workpiece is sent to jig installation position, and cylinder promotion is top to be clamped workpiece, while clamping device unclamps;
(4) after measuring every time workpiece size, servo motor driving is top to measure workpiece rotation next time;
(5) after Workpiece inspection, workpiece is stored according to inspection result system drive feed mechanism and clamping device.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
The present invention is not limited to above to the description of embodiment, the content that those skilled in the art disclose according to the present invention, In
The improvement and modification that need not be carried out by creative work on the basis of the present invention, all should protection scope of the present invention it
It is interior.