A kind of bent axle diameter of axle polishing clamping device
Technical field
The present invention relates to a kind of polishing clamping device, specifically a kind of bent axle diameter of axle polishing clamping device.
Background technology
We know, engine crankshaft part due to the operating characteristic at its position of living in, all needs polishing to the surface roughness of its diameter of axle, and will guarantee cylindricity tolerance requirement.Existing polishing machine once can complete clamping, the polishing of all diameters of axle automatically, and effect is better, be suitable for and produce in enormous quantities, but its complex structure is expensive.When maintenance or trial-production bent axle, use this equipment, can cause larger waste or production cost too high.
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art, provides a kind of rational in infrastructure, manufactures simply, and easy to operate, clamping is reliable, the bent axle diameter of axle polishing clamping device that applicability is strong.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of bent axle diameter of axle polishing clamping device, it comprises base plate, ball seat, cylinder, piston rod, sliding sleeve, guide housing, support plate, clamp bar, it is characterized in that: a supporting seat is installed on described base plate, described ball seat is fixed on supporting seat by nut nut, in ball seat, be provided with spherical pore, a multi-directional ball with straight hole is installed in spherical pore; Described sliding sleeve is through the straight hole of multi-directional ball, and one end is arranged on cylinder by screw, and the other end and guide housing are connected and fixed; The front end of described guide housing is fixedly connected with support plate by a plate; Described piston rod is through sliding sleeve, and piston rod is anterior to be connected with a hinge connecting rod that is positioned at guide housing; The upper and lower two ends of described hinge connecting rod are connected with clamp rod rear end by a connecting rod respectively; Described support plate is hinged between two clamp bar middle parts; Cylinder drives piston rod and hinge connecting rod to move backward, after piston rod and hinge connecting rod and then drivening rod, moves, and two clamp rod rear ends are opened by link supports, and front end clamps the bent axle diameter of axle.
Guide housing of the present invention is cuboid, has guiding oblong aperture on it, and described connecting rod is through guiding oblong aperture, and one end is connected in the open slot that hinge connecting rod is provided with pin, and the other end is connected in the open slot that clamp rod rear end is provided with pin.Guiding oblong aperture on guide housing has limited the rotation of connecting rod and hinge connecting rod.
Two baffle plates are also installed on base plate of the present invention, and described guide housing, support plate, hinge connecting rod and connecting rod are between two baffle plates.Two baffle plates have limited the rotation of clamp bar, guide housing.
On two clamp bars of the present invention, by screw, polishing hoof is installed, a clamp bar front end is welded with handgrip.
When the present invention uses, one end is connected with existing sliding rail mechanism below base plate, and the other end is connected with the existing rail mechanism of lathe, moves axially handgrip, and whole device can move axially thereupon.Craft is by abrasive band on the bent axle diameter of axle to be thrown, and operator, polishing hoof is aligned to the diameter of axle, starts cylinder and makes to move after piston rod, two tight bent axle diameters of axle of clamp bar cramp, on the contrary unclamp.In the time that lathe driving crank rotates, can realize the polishing of the bent axle diameter of axle.In the time that bent axle rotates, connecting rod footpath is made off-centre operation and is rotated, and the straight hole that sliding sleeve can be provided with along multi-directional ball moves as reciprocating linear thereupon, is thrown diameter of axle circularity to guarantee.Against existing technologies, the present invention is rational in infrastructure, manufactures simply, and easy to operate, clamping is reliable, and applicability is strong, is a kind of desirable bent axle diameter of axle polishing clamping device.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is that the present invention forms structural representation.
Fig. 2 is that the A-A of Fig. 1 is to schematic diagram.
1. cylinders in figure, 2. screw, 3. screw, 4. gland, 5. multi-directional ball, 6. ball seat, 7. sliding sleeve, 8. piston rod, 9. baffle plate, 10. housing screw, 11. pins, 12. connecting rods, 13. pins, 14. pins, 15. hinge connecting rods, 16. connecting plates, 17. pins, 18. support plates, 19. clamp bars, 20. bent axles, 21. screws, 22. polishing hoof, 23. abrasive bands, 24. handgrips, 25. guide housings, 26. sliding rails, 27. screws, 28. supporting seats, 29. nuts, 30. base plates, 31. screws.
The specific embodiment
Can find out from Fig. 1 and Fig. 2, a kind of bent axle diameter of axle polishing clamping device, it comprises base plate 30, ball seat 6, cylinder 1, piston rod 8, sliding sleeve 7, guide housing 25, support plate 18, clamp bar 19 etc.
One supporting seat 28 is installed on described base plate 30, and described supporting seat 28 centers are provided with screw, and lower boss is established counterbore, coordinates with counterbore by screw 27, and supporting seat 28 is fixed on base plate 30.Described ball seat 6 is fixed on supporting seat 28 by the nut 29 with nut.In ball seat 6, establish spherical pore, a multi-directional ball 5 with straight hole is installed in spherical pore, then compress gland 4 with screw 3, the nut 29 with nut is welded in bottom, and nut 29 is screwed in the set screw of supporting seat 28.Nut 29 coordinates with screw, can regulate height, and nut plays fixation.
Described sliding sleeve 7 rear ends are arranged on cylinder 1 with screw 2, and front portion is provided with screw thread and blind hole, and described sliding sleeve 7 is through the straight hole of multi-directional ball 5, and front end is connected with the guide housing 25 set screws in one end, and are threaded into blind hole and compress with housing screw 10.
Guide housing 25 of the present invention is cuboid, has guiding oblong aperture on it.The front end of guide housing 25 is fixedly connected with support plate 18 by a plate 16.Specifically, the front end of guide housing 25 and connecting plate 16 weld, and weld with support plate 18 middle parts again one end of connecting plate 16.Described piston rod 8 is through sliding sleeve 7, and piston rod 8 is anterior to be connected with a hinge connecting rod 15 that is positioned at guide housing 25; Described hinge connecting rod is connected with clamp bar 19 rear ends by a connecting rod 12 respectively at two ends Shang Xia 15.Specifically, the anterior cylinder of piston rod 8 and hinge connecting rod 15 set holes, middle part are connected, and fixing with pin 14, and hinge connecting rod 15 two ends are also provided with open slot and pin-and-hole.Clamp bar 19 rear portions are provided with open slot and pin-and-hole, and middle part is provided with elongated hole and pin-and-hole.Described connecting rod 12 is through the oblong aperture that leads on guide housing 25, and connecting rod 12 two ends are also provided with hole, and one end is connected in hinge connecting rod 15 open slots with pin 13, and the other end is connected in the open slot of clamp bar 19 with pin 11.Guiding oblong aperture on guide housing 25 has limited the rotation of connecting rod and hinge connecting rod.
Described support plate 18 is hinged between two clamp bar 19 middle parts, and described support plate is equipped with pin-and-hole in two ends Shang Xia 18, is arranged in the pin-and-hole that clamp bar 19 middle parts are provided with by pin 17.Like this, two clamp bars 19 are connected on hinge connecting rod 15, support plate 18 symmetrically with connecting rod 12.
Clamp bar of the present invention 19 front portions are provided with screw, on two clamp bars, coordinate with screw by screw 21, and polishing hoof 22 is installed, and with screw 21, polishing hoof 22 are screwed into screw and fix.Clamp bar 19 front ends of its middle and upper part are welded with handgrip 24.
Two baffle plates 9 are also installed on base plate 30 of the present invention, specifically with screw 31, two baffle plates 9 are installed at the middle part of base plate 30.Described guide housing 25, support plate 18, hinge connecting rod 15 and connecting rod 12 are between two baffle plates 9.As shown in Figure 2.Like this, two baffle plates 9 have limited the rotation of clamp bar 19, guide housing 25 etc.
When the present invention uses, described base plate 30 is connected with existing sliding rail 26 one end below, and the other end is connected with the existing rail mechanism of lathe, moves axially handgrip 24, and whole device can move thereupon.When polishing, manual by abrasive band 23 on bent axle 20 diameters of axle that will throw, operator aligns bent axle 20 diameters of axle 24 by polishing hoof 22, start cylinder 1, cylinder 1 drives piston rod 8 and hinge connecting rod 15 to move backward, after piston rod 8 and hinge connecting rod 15 and then drivening rod 12, move, two clamp bar 19 rear ends are opened by connecting rod 12 supports, and front end clamps bent axle 20 diameters of axle.Otherwise unclamp.In the time that lathe driving crank 20 rotates, can realize diameter of axle polishing.In the time that bent axle 20 rotates, connecting rod footpath is made off-centre operation and is rotated, and the straight hole that sliding sleeve 7 can be provided with along multi-directional ball 5 moves as reciprocating linear thereupon, is thrown diameter of axle circularity to guarantee.
The present invention is rational in infrastructure, manufactures simply, and easy to operate, clamping is reliable, and applicability is strong, is a kind of desirable bent axle diameter of axle polishing clamping device.