A kind of jack catchs type centering and clamping apparatus
Technical field
The present invention relates to auto parts and components processing technique field, more particularly to a kind of jack catchs type centering and clamping apparatus.
Background technology
Auto parts machinery is a kind of product for constituting the overall unit of automobile and serving automobile.With auto parts machinery plus
Work market competition is growing more intense, and environmental protection concept is rooted in the hearts of the people, and technology continuous upgrading and application, international automobile accessory
Process component industry shows following Characteristics of Development in recent years:1. auto parts machinery system of processing is supporting, modularization supply trend
It is in the ascendant;2. auto parts machinery processes sourcing globalization;3. auto parts machinery secondary industry transfer velocity is accelerated.Auto parts machinery includes
Classify below:Launching system, running gear, body accessories, steering, brakes etc..Plate-like workpiece is in auto parts and components
Technical field is a kind of common part, is widely used in launching system and rotation system etc..It is usually provided with plate-like workpiece
Central channel, in processing or assembling process, plate-like workpiece usually needs the positioning and clamping to plate-like workpiece by central channel.Folder
Tool is to be used for during machine-building fixing processing object, is allowed to occupy correct position, with the device for receiving to construct or detecting.
Common fixture has a lot, such as vice, chuck, index dial, but these conventional fixtures are not suitable for plate-like workpiece
Centering and clamping.
The content of the invention
It is an object of the invention to provide a kind of jack catchs type centering and clamping apparatus, the centering to plate-like workpiece is realized using claw
And clamping, good to the centering effect of plate-like workpiece because claw is spacedly distributed in 120 °, rational in infrastructure, good reliability.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of jack catchs type centering and clamping apparatus, it includes lower support, upper supporting, frame, drive cylinder, top plate, push rod, push rod cunning
Set, guide pillar, guide pin bushing, driving disk, guide rod, fixed tapered sleeve, trip bolt, tapered sleeve fulcrum bearing, cone, alignment pin, compression bullet
Spring, claw, the upper supporting and lower support are fixed on the both sides up and down of frame, and the tapered sleeve fulcrum bearing is fixed in supporting,
The fixed tapered sleeve is arranged in tapered sleeve fulcrum bearing by trip bolt, and the cone is arranged in fixed tapered sleeve, and by fixed
Position finger setting is arranged in tapered sleeve fulcrum bearing, and the lower end of the cone sets three spring-loaded grooves, three spring-loadeds
Groove is spacedly distributed in 120 °, is provided with three inclined chutes in the cone, three inclined chutes in 120 ° at equal intervals
Distribution, interlaced 60 ° of the spring-loaded groove and chute, the downside of the driving disk is concentric to be fixed with push rod, described
Drive disk upside it is concentric is fixed with guide rod, the push rod can be slided up and down and is arranged in supporting, the push rod and
Push rod sliding sleeve is provided between upper supporting, the guide rod can be slided up and down and is arranged in cone, and the lower end of the push rod is coaxial
The heart is fixed with top plate, and the upper end of the guide pin bushing is fixed in supporting, and the lower end of the guide pillar is fixed on top plate, the guide pillar
Connection relative can be slided up and down with guide pin bushing, the drive cylinder includes cylinder body and piston rod, and the lower end of the cylinder body is fixed on down
In supporting, the upper end connection top plate of the piston rod, the upper end of the compression spring and spring-loaded groove are fitted, the compression bullet
The lower end of spring and the upper surface laminating of driving disk, the claw is slidably arranged on the chute of cone, under the claw
End is provided with neck, and the neck of the claw lower end is stuck on driving disk, sets flexible anti-on the outside of the upper end of the claw
Sliding pressure pad.
Further, intake valve is provided with the downside of the drive cylinder, the intake valve connects hydraulic lock.
Further, it is provided with the guide rod in rotation stop pin, the cone and is provided with rotation stop groove, the rotation stop pin is inserted
Enter in the rotation stop groove of cone.
The present invention compared to the prior art, with advantages below and effect:Compression spring forces in driving disk, makes driving
Disk pulls downward on claw, and due to the effect of fixed tapered sleeve and cone, claw produces outside displacement component in radial direction, by plate-like
The central channel of workpiece is felt relieved and clamped.After the completion of plate-like workpiece is processed or is assembled, drive cylinder is driven by top plate and push rod
Driving disk is moved upwards, now overcomes the elastic force of compression spring, and the radial displacement of claw is pointed to clamp central, realized to plate-like
The release of workpiece.Guide pillars and bushes is conducive to easy motion above and below top plate, good reliability.Top is provided between push rod and upper supporting
Bar sliding sleeve, effectively reduces the abrasion between push rod and upper supporting, it is ensured that smooth sliding above and below push rod.Rotation stop pin inserts cone
Rotation stop groove in, effectively prevent guide rod revolution, it is ensured that driving disk do not turn round, good reliability.Drive cylinder
Downside is provided with intake valve, and the intake valve connects hydraulic lock, it is ensured that the holding of drive cylinder position, can guarantee that to plate-like work
The long-time of part is clamped.Elastic anti-slip pressure pad is provided with the outside of the upper end of claw, avoids plate-like workpiece from loosening in clamping process.
The present invention realizes the centering and clamping to plate-like workpiece using claw, because claw is spacedly distributed in 120 °, to plate-like workpiece
Centering effect it is good, rational in infrastructure, good reliability.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is Fig. 1 of the present invention partial enlarged drawing A.
Fig. 3 is Fig. 1 of the present invention partial enlarged drawing B.
In figure:1. lower support, supported on 2., 3. frames, 4. drive cylinders, 5. top plates, 6. push rods, 7. push rod sliding sleeves, 8.
Guide pillar, 9. guide pin bushings, 10. driving disks, 11. guide rods, 12. fix tapered sleeve, 13. trip bolts, 14. tapered sleeve fulcrum bearings, 15. cones
Body, 16. alignment pins, 17. compression springs, 18. claws, 19. spring-loaded grooves, 20. chutes, 21. cylinder bodies, 22. piston rods, 23.
Neck, 24. elastic anti-slip pressure pads, 25. intake valves, 26. hydraulic locks, 27. rotation stop pins, 28. rotation stop grooves, 29. plate-like workpieces, 30.
Central channel.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, following examples are to this hair
Bright explanation and the invention is not limited in following examples.
As shown in Figure 1, Figure 2 and Figure 3, a kind of jack catchs type centering and clamping apparatus, it includes lower support 1, upper supporting 2, frame
3rd, drive cylinder 4, top plate 5, push rod 6, push rod sliding sleeve 7, guide pillar 8, guide pin bushing 9, driving disk 10, guide rod 11, fixed tapered sleeve 12,
Trip bolt 13, tapered sleeve fulcrum bearing 14, cone 15, alignment pin 16, compression spring 17, claw 18, the upper supporting 2 and lower support
1 is fixed on the both sides up and down of frame 3, and the tapered sleeve fulcrum bearing 14 is fixed in supporting 2, and the fixed tapered sleeve 12 passes through fastening
Screw 13 is arranged in tapered sleeve fulcrum bearing 14, and the cone 15 is arranged in fixed tapered sleeve 12, and is set by the positioning of alignment pin 16
Put in tapered sleeve fulcrum bearing 14, the lower end of the cone 15 sets three spring-loaded grooves 19, three spring-loaded grooves 19
It is spacedly distributed in 120 °, three inclined chutes 20 is provided with the cone 15, three inclined chutes 20 is in 120 ° etc.
It is spaced apart, 20 interlaced 60 ° of the spring-loaded groove 19 and chute, the downside of the driving disk 10 is concentric to be fixed with
Push rod 6, the upside of the driving disk 10 is concentric to be fixed with guide rod 11, and the push rod 6, which can be slided up and down, is arranged on branch
Hold on 2, push rod sliding sleeve 7 is provided between the push rod 6 and upper supporting 2, effectively reduce the mill between push rod 6 and upper supporting 2
Damage, it is ensured that push rod smooth sliding about 6.The guide rod 11, which can be slided up and down, to be arranged in cone 15, the guide rod 11
On be provided with rotation stop pin 27, the cone 15 and be provided with rotation stop groove 28, the rotation stop pin 27 inserts the rotation stop groove 28 of cone 15
It is interior, it effectively prevent guide rod 11 and turn round, it is ensured that driving disk 10 is not turned round, good reliability.The lower end of the push rod 6
Concentric to be fixed with top plate 5, the upper end of the guide pin bushing 9 is fixed in supporting 2, and the lower end of the guide pillar 8 is fixed on top plate 5
On, the guide pillar 8 and guide pin bushing 9 relative can slide up and down connection, and the drive cylinder 4 includes cylinder body 21 and piston rod 22, described
The lower end of cylinder body 21 is fixed on lower support 1, the upper end connection top plate 5 of the piston rod 22, and the downside of the drive cylinder 4 is set
Intake valve 25 is equipped with, the intake valve 25 connects hydraulic lock 26, it is ensured that the holding of the position of drive cylinder 4, can guarantee that to plate-like
The long-time of workpiece 29 is clamped.The upper end of the compression spring 17 and spring-loaded groove 19 are fitted, under the compression spring 17
End and the upper surface laminating of driving disk 10, the claw 18 are slidably arranged on the chute 20 of cone 15, the claw 18
Lower end be provided with neck 23, the neck 23 of the lower end of claw 18 is stuck on driving disk 10, outside the upper end of the claw 18
Side is provided with elastic anti-slip pressure pad 24, avoids plate-like workpiece 29 to loosen in clamping process.
By above-mentioned technical proposal, a kind of jack catchs type centering and clamping apparatus of the invention is in use, compression spring 17 is forced in
Disk 10 is driven, driving disk 10 is pulled downward on claw 18, due to the effect of fixed tapered sleeve 12 and cone 15, claw 18 is in footpath
To outside displacement component is produced, the central channel 30 of plate-like workpiece 29 is felt relieved and clamped.When plate-like workpiece 29 is processed or is assembled
After the completion of, drive cylinder 4 drives driving disk 10 to move upwards by top plate 5 and push rod 6, now overcomes the bullet of compression spring 17
Clamp central is pointed in power, the radial displacement of claw 18, realizes the release to plate-like workpiece 29.Guide pillar 8 and guide pin bushing 9 are conducive to top plate
About 5 easy motions, good reliability.The present invention realizes the centering to plate-like workpiece 29 and clamping using claw 18, due to claw
18 are spacedly distributed in 120 °, good to the centering effect of plate-like workpiece 29, rational in infrastructure, good reliability.
Above content described in this specification is only illustration made for the present invention.Technology belonging to of the invention
The technical staff in field can make various modifications or supplement to described specific embodiment or use similar mode
Substitute, content without departing from description of the invention or surmount scope defined in the claims, this all should be belonged to
The protection domain of invention.