CN209223219U - A kind of Pneumatic clamping chuck - Google Patents

Abstract

A kind of Pneumatic clamping chuck, including terminal pad, chuck housing, chuck inner sleeve, separator disc, mounting disc, clamping device, guiding device, conversion equipment and driving device, one end of the chuck housing is equipped with terminal pad, the other end is equipped with mounting disc, the chuck inner sleeve with the coaxial arrangement of chuck housing is additionally provided between the terminal pad and the mounting disc, the mounting disc is equipped with guiding device, side outside the guiding device is equipped with clamping device, internal side is equipped with conversion equipment, driving device is equipped between the conversion equipment and terminal pad, separator disc is equipped between the conversion equipment and driving device, it is axially converted to the radial motion of clamping device by the conversion equipment, the clamping device includes the first clamping device and the second clamping device.The radial motion that the circular motion of conversion equipment is converted to clamping device is arranged two devices, can be realized the clamping to irregular cross section, improves the versatility of Pneumatic clamping chuck.

Description

A kind of Pneumatic clamping chuck

Technical field

The utility model belongs to air-actuated jaw technical field, and in particular to a kind of Pneumatic clamping chuck.

Background technique

Chuck is the mechanical device for being used to clamp workpiece on lathe, utilizes the radial direction for the movable jaw being evenly arranged on chuck body Machine tool accessories mobile, that Workpiece clamping is positioned, is a kind of clamping device of precision.

The clamping range of common chuck is small, and pine folder is not stable enough, and precision is inadequate, mostly can only clamping about center pair Regular workpiece of title, such as round or square etc., the type of clamping workpiece is extremely limited.

Utility model content

Utility model aims to solve above-mentioned problems existing in the prior art, provide a kind of Pneumatic clamping card Disk is driven by cylinder, can obtain the clamping force with certain elasticity, while the circular motion of conversion equipment is converted to folder The radial motion of device is held, to realize the clamping to material, the continuity of Pneumatic clamping chuck motion is can be improved, improves folder Holding effect fruit, shows as following two points:

(1) two layers of turntable operates independently of each other.Cylinder pushes turntable rotation, and the rotate driving of same layer turntable is with respect to two cards Pawl synchronizes radial motion.Not only can clamping square, cylindrical body, can have the abnormal shape of symmetry with clamping cuboid etc. Pipe.The clamping to irregular cross section is realized, the versatility of Pneumatic clamping chuck is improved.

(2) claw facing each other is distributed in two sheaf spaces, and is overlapped in two layers of spatial movement, does not interfere with each other, expands Minimum grip range, can reach 20mm.

The utility model is achieved through the following technical solutions:

A kind of Pneumatic clamping chuck, including terminal pad, chuck housing, chuck inner sleeve, separator disc, mounting disc, clamping device, One end of guiding device, conversion equipment and driving device, the chuck housing is equipped with terminal pad, the other end of the chuck housing Equipped with mounting disc, the chuck inner sleeve with the coaxial arrangement of chuck housing is additionally provided between the terminal pad and the mounting disc, it is described Mounting disc is equipped with guiding device, and the guiding device is located at the side outside chuck housing equipped with clamping device, the guiding The side that device is located at chuck jacket internal is equipped with conversion equipment, and driving device is equipped between the conversion equipment and terminal pad, Separator disc is equipped between the conversion equipment and driving device, the conversion equipment is driven by driving device, the conversion equipment It is axially converted to the radial motion of clamping device, the clamping device includes the first clamping device and the second clamping dress It sets.It is driven by cylinder, the clamping force with certain elasticity can be obtained, while the circular motion of conversion equipment is converted into folder The radial motion of device is held, to realize the clamping to material, the continuity of Pneumatic clamping chuck motion is can be improved, improves folder Holding effect fruit, meanwhile, two devices are set, can be realized the clamping to irregular cross section, improve Pneumatic clamping chuck Versatility.

The chuck housing includes outer sleeve body, and the inner peripheral surface of the outer sleeve body is equipped with the flange to central protuberance, institute Flange is stated to be arranged equipped with the first mounting hole and the first arcuate socket, first mounting hole and the first arcuate socket interval, it is described convex The center of edge is equipped with first through hole.The close one end being connect with mounting disc of the flange.In the inside of outer sleeve body, flange, energy are set The rigidity and intensity for enough improving outer sleeve body, prolong the service life, the first arcuate socket are arranged on flange, can reduce outer sleeve body Weight keeps outer sleeve body lighter.

The separator disc includes separating disk body, and the center for separating disk body is equipped with the second through-hole, second through-hole Outside is equipped with the second arcuate socket, and two arcuate sockets of the ground are uniformly distributed on the excircle of the second through-hole.

The conversion equipment includes rotating disk and positioning disk, there are two the rotating disk is set, respectively the first rotating disk and Second rotating disk, the fitting setting that first rotating disk and the second rotating disk are relatively rotatable to each other, first rotating disk Side is equipped with positioning disk, and the guiding device passes through positioning disk and connect with rotating disk, and the rotating disk is connect with driving device.It is logical Overwinding driven by rotary disc guiding device along positioning disk radial motion, when rotating disk circular motion be converted to the radial fortune of clamping device It is dynamic, realize the clamping to workpiece.

The rotating disk includes rotation disk body, and the center of the rotation disk body is equipped with fourth hole, on the rotation disk body It is symmetrically arranged with third arcuate socket and the second pilot hole, the third arcuate socket is staggered with the second pilot hole, and described second leads The second mounting hole is equipped with to the inside in hole.Second pilot hole is set, for the side by guiding device to separate rotation disk body center To guidance, keep center of the guiding device from Pneumatic clamping chuck more and more remoter.

Second pilot hole is the arcuate socket gradually curled up from inside to outside.Second pilot hole is arranged to arcuate socket, and Spiral is arranged from inside to outside, and the resistance generated when can reduce to guiding device guidance is conducive to improve to guiding device guidance Flexibility, reduce the abrasion between guiding device and rotating disk.

The positioning disk includes guiding disk body, and the center of the guiding disk body is equipped with fifth hole, the fifth hole Surrounding is equipped with third pilot hole, and the position of the third pilot hole is corresponding with the position of guiding device.Third pilot hole is used for Guiding device is oriented to, when rotating disk guides guiding device outward, can make guiding device along positioning disk Third pilot hole movement, even if guiding device is by the center radial motion outward of Pneumatic clamping chuck.

The driving device includes first driving device and the second driving device, and the first driving device and second drive Device is in 90 ° of settings.First driving device and the second driving device are set, respectively to the folder of the horizontal direction of Pneumatic clamping chuck The clamping device for holding device and vertical direction is driven, and realizes the clamping of irregular cross section, improves Pneumatic clamping card The versatility of disk.

There are two the first driving device and the second driving device are all provided with.Two first driving devices and are respectively set Two driving devices can enhance driving force, meanwhile, it is capable to wherein a driving device failure when, another driving device after Continuous work, does not influence the operation of equipment, increases dual fail-safe to the use of Pneumatic clamping chuck.

The first driving device and the second driving device include cylinder, the first fixing axle and the second fixing axle, described The tail portion of cylinder and the first fixed axis connection, the end of the push rod of the cylinder and the second fixed axis connection, described first is fixed Axis is fixed on outside chuck and puts on, and second fixing axle is fixed on the rotating pan.Using cylinder, power source clean be can be avoided Workpiece is polluted, meanwhile, gas has certain compressibility, and certain buffering can be generated when to piece-holder, right Workpiece plays a certain protective role.

The guiding device includes the first guiding device and the second guiding device, and first guiding device and second are oriented to Device is in 90 ° of settings.First guiding device and the second guiding device are set, respectively to the folder of the horizontal direction of Pneumatic clamping chuck The clamping device for holding device and vertical direction is oriented to, realize on horizontal direction and vertical direction to folder, improve to workpiece Clamping degree.

First guiding device and the second guiding device include the second guide rail, sliding block, guide holder and cover board, and described Two guide rails are equipped with the sliding block that can slide along, and the sliding block is equipped with guide holder, and the both ends of the guide holder are equipped with to the The end of the vertical plate that two guide rail sides extend, the vertical plate is equipped with baffle.Guide rail is set between guide holder and mounting disc, it can Reduce the frictional force between guide holder and mounting disc, makes the more smooth smoothness for improving the operation of Pneumatic clamping chuck of guide holder operation Degree.

The guide holder includes plate body, and the side of the plate body is equipped with guide post, and the other side of the plate body is equipped with vertical plate, The vertical plate is separately positioned on the both ends of the side.Guide holder is arranged to Y type, by the cooperation of guide holder and baffle, will be led It is slidably mounted in mounting disc to seat, keeps structure more compact, reduced the length between clamping device and terminal pad, have The residue length for shortening to effect tailing, improves the utilization rate of workpiece.

The clamping device includes the first clamping device and the second clamping device, and first clamping device and second clamp There are two device is all provided with, first clamping device and the second clamping device are in 90 ° of settings.First clamping device and second are set Clamping device respectively clamps the clamping workpiece of Pneumatic clamping chuck with vertical direction from horizontal direction, can be realized pair The workpiece of irregular section is clamped, and the versatility of Pneumatic clamping chuck is improved.

First clamping device and the second clamping device include claw, pin shaft and idler wheel, and one end of the claw is solid It being scheduled on guiding device, the other end extends to the center of chuck, and one end that the claw extends to the center of chuck is equipped with pin shaft, Idler wheel is set on the pin shaft.It is contacted by setting idler wheel with workpiece, it, can by the movement of rear chuck in clamping process It realizes axial movement of the workpiece under clamp position, avoids the clamping repeatedly to workpiece, improve the cutting efficiency of workpiece.

The mounting disc includes installation disk body, and the center of the side of the installation disk body is equipped with rotary table, is set on the rotary table There is third through-hole, the outer circumference surface of the rotary table is equipped with the boss for extending to the external profile of mounting disc, the installation disk body The other side is equipped with groove corresponding with boss, and the top surface of the boss is equipped with the first pilot hole, and first pilot hole is from boss Top surface be through to the bottom surface of groove.Boss is set in the side of mounting disc, and is arranged in the another side of boss into boss The groove of portion's recess takes full advantage of the space on installation disc thickness, effectively subtracts for installing guide rail, sliding block and guide holder The small thickness of Pneumatic clamping chuck is conducive to the length for reducing workpiece tailing, improves the utilization rate of workpiece.

Compared with prior art, the utility model has the beneficial effects that

1, a kind of Pneumatic clamping chuck of the utility model, setting can make rear chuck extend into inside in front chuck Through-hole can reduce the distance between the clamping part of rear chuck and the clamping part of front chuck, to reduce the length of tailing, increase The utilization rate of material；

2, a kind of Pneumatic clamping chuck of the utility model, is arranged drive sleeve, after the internal diameter of drive sleeve is greater than on bearing The largest outer diameter of chuck can be such that rear chuck extend into front chuck, reduce rear chuck clamping part and front chuck clamping part it Between distance, while front chuck independently drives, and can be improved the versatility of front chuck；

3, a kind of Pneumatic clamping chuck of the utility model, is driven by cylinder, can obtain the folder with certain elasticity Clamp force, while the circular motion of conversion equipment being converted to the radial motion of clamping device, to realize the clamping to material, energy The continuity for enough improving Pneumatic clamping chuck motion, improves clamping effect；

4, a kind of Pneumatic clamping chuck of the utility model drives guiding device radially to transport along positioning disk by rotating disk It is dynamic, when rotating disk circular motion be converted to the radial motion of clamping device, realize the clamping to workpiece, the second guiding of setting Hole makes guiding device from the center of Pneumatic clamping chuck for guiding guiding device to the direction far from rotation disk body center It is increasingly remoter, the second pilot hole is arranged to arcuate socket, and spiral is arranged from inside to outside, when can reduce to guiding device guidance The resistance of generation is conducive to improve the flexibility to guiding device guidance, reduces the abrasion between guiding device and rotating disk；

5, first driving device and the second driving device is arranged in a kind of Pneumatic clamping chuck of the utility model, right respectively The clamping device of the horizontal direction of Pneumatic clamping chuck and the clamping device of vertical direction are driven, and realize irregular cross section The clamping of workpiece improves the versatility of Pneumatic clamping chuck, two first driving devices and the second driving device, energy is respectively set Enough enhance driving force, meanwhile, it is capable to wherein a driving device failure when, another driving device works on, and does not influence The operation of equipment increases dual fail-safe to the use of Pneumatic clamping chuck；

6, the first guiding device and the second guiding device is arranged in a kind of Pneumatic clamping chuck of the utility model, right respectively The clamping device of the horizontal direction of Pneumatic clamping chuck and the clamping device of vertical direction are oriented to, and are realized horizontal direction and are erected Histogram it is upward to folder, improve the clamping degree to workpiece, guide rail be set between guide holder and mounting disc, guiding can be reduced Frictional force between seat and mounting disc makes the more smooth fluency for improving the operation of Pneumatic clamping chuck of guide holder operation；

7, the first clamping device and the second clamping device is arranged in a kind of Pneumatic clamping chuck of the utility model, right respectively The clamping workpiece of Pneumatic clamping chuck is clamped with vertical direction from horizontal direction, can be realized the workpiece to irregular section It is clamped, improves the versatility of Pneumatic clamping chuck；

8, boss is arranged in the side of mounting disc in a kind of Pneumatic clamping chuck of the utility model, and in the another of boss Groove to boss inner recess is set on one side, for installing guide rail, sliding block and guide holder, is taken full advantage of on installation disc thickness Space, effectively reduce the thickness of Pneumatic clamping chuck, be conducive to reduce workpiece tailing length, improve the use of workpiece Rate.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model, attached drawing needed in description will be made below Simply introduce, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, for this field For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the cutting machine overall structure diagram of the utility model；

Fig. 2 is the cutting machine schematic view of the front view of the utility model；

Fig. 3 is the cutting machine front chuck and rear chuck fit structure schematic diagram of the utility model；

Fig. 4 is the front chuck structural schematic diagram of the utility model；

Fig. 5 is the Pneumatic clamping chuck structure schematic diagram of the utility model；

Fig. 6 is the mounting disc front axle geodesic structure schematic diagram of the utility model；

Fig. 7 is the mounting disc rear isometric structural schematic diagram of the utility model；

Fig. 8 is A-A the schematic diagram of the section structure in Fig. 6 of the utility model；

Fig. 9 is the separator disc structural schematic diagram of the utility model；

Figure 10 is the mounting disc front axle geodesic structure schematic diagram of the utility model；

Figure 11 is the mounting disc rear isometric structural schematic diagram of the utility model；

Figure 12 is the guiding device and clamping device mounting structure schematic diagram of the utility model；

Figure 13 is the clamping device the schematic diagram of the section structure of the utility model；

Figure 14 is the guide seat structure schematic diagram of the utility model；

Figure 15 is the baffle arrangement schematic diagram of the utility model；

Figure 16 is the schematic diagram of rotating disk structure of the utility model；

Figure 17 is the rotating disk schematic view of the front view of the utility model；

Figure 18 is the positioning disk structural schematic diagram of the utility model；

Figure 19 is the driving device installation site structural schematic diagram of the utility model；

Figure 20 is the cylinder mounting structure schematic diagram of the utility model；

Figure 21 is the cylinder and rotating disk mounting structure schematic diagram of the utility model；

Wherein, 1, terminal pad, 2, chuck housing, 3, separator disc, 4, chuck inner sleeve, 5, mounting disc, 6, clamping device, 7, lead To device, 8, conversion equipment, 9, driving device, 11, fixing seat, 12, bearing block, 13, drive sleeve, 14, Pneumatic clamping chuck, 15, driven wheel, 16, transmission belt, 17, driving wheel, 18, motor cabinet, 19, power device, 21, outer sleeve body, 22, flange, 23, first Mounting hole, the 24, first arcuate socket, 25, first through hole, 31, separation disk body, the 32, second arcuate socket, the 33, second through-hole, 51, peace Sabot body, 52, boss, the 53, first pilot hole, 54, rotary table, 55, third through-hole, 56, groove, 61, claw, 62, pin shaft, 63, Idler wheel, the 71, second guide rail, 72, sliding block, 73, guide holder, 74, cover board, 731, plate body, 732, vertical plate, 733, guide post, 81, rotation Rotary case, 82, third arcuate socket, 83, fourth hole, the 84, second pilot hole, the 85, second mounting hole, 86, guiding disk body, 87, Third pilot hole, 88, fifth hole, 91, first driving device, the 92, second driving device, 93 first fixing axles, 94, cylinder, 95, the second fixing axle, 101, rack, the 102, first guide rail, 103, rear chuck, 104, front chuck.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing:

As shown in Figure 1-3, a kind of cutting machine for saving tailing, including rack 101, the first guide rail 102,104 and of front chuck Rear chuck 103, the top surface of the rack 101 are equipped with the first guide rail 102, and first guide rail 102 is equipped with rear chuck 103, Rear chuck 103 can be moved back and forth along the direction of the first guide rail 102, and the rack 101 of the end of first guide rail 102 is equipped with Front chuck 104, the front chuck 104 and rear chuck 103 independently drive and revolving speed is identical, the front chuck 104 and rear card On same axis, the front chuck 104 is equipped with towards the side of rear chuck 103 and extends to front chuck 104 at the center of disk 103 The through-hole of inside, the rear chuck 103 can extend into the inside of the through-hole of front chuck 104.Setting can in front chuck 104 So that rear chuck 103 is extend into internal through-hole, can reduce between the clamping part of rear chuck 103 and the clamping part of front chuck 104 Distance increase the utilization rate of material to reduce the length of tailing.

The rear chuck 103 is conventional chuck.Rear chuck 103 uses conventional chuck, convenient for materials, has saved and has been produced into This, while can be realized the improvement to conventional machine tool.

As shown in figure 4, the front chuck 104 includes fixing seat 11, the top of the fixing seat 11 is equipped with bearing block 12, institute Bearing block 12 is stated equipped with bearing, the outer ring of the bearing is fixed on bearing block 12, and inner ring is equipped with drive sleeve 13, the transmission One end of set 13 is equipped with Pneumatic clamping chuck 14, specifically, drive sleeve 13 is equipped with flange, starting chucks are fixed on flange On, the other end of the drive sleeve 13 is equipped with driven wheel 15, and driven wheel 15 is sleeved in drive sleeve 13,11 direction of fixing seat The side wall of 15 side of driven wheel is equipped with motor cabinet 18, and the motor cabinet 18 is equipped with power device 19, the power device 19 Output shaft be equipped with driving wheel 17, be arranged with transmission belt 16 on the driving wheel 17 and driven wheel 15.In the application, power dress It sets 19 and uses motor reducer, be fixed with driving wheel 17 on the output shaft of speed reducer, drive sleeve 13, drive sleeve are set on bearing 13 internal diameter is greater than the largest outer diameter of rear chuck 103, and rear chuck 103 can be made to extend into front chuck 104, reduces rear chuck The distance between 103 clamping parts and 104 clamping part of front chuck, while the independent driving of front chuck 104, can be improved front chuck 104 Versatility.

As shown in figure 5, a kind of Pneumatic clamping chuck 14, including terminal pad 1, chuck housing 2, chuck inner sleeve 4, separator disc 3, One end of mounting disc 5, clamping device 6, guiding device 7, conversion equipment 8 and driving device 9, the chuck housing 2 is equipped with connection Disk 1, the other end of the chuck housing 2 are equipped with mounting disc 5, are additionally provided between the terminal pad 1 and the mounting disc 5 and chuck The chuck inner sleeve 4 that housing 2 is coaxially disposed, the mounting disc 5 are equipped with guiding device 7, and the guiding device 7 is located at chuck housing Side outside 2 is equipped with clamping device 6, and the guiding device 7 is located at the side inside chuck housing 2 equipped with conversion equipment 8, institute It states and is equipped with driving device 9 between conversion equipment 8 and terminal pad 1, separator disc is equipped between the conversion equipment 8 and driving device 9 3, the conversion equipment 8 is driven by driving device 9, it is axially converted to the radial direction of clamping device 6 by the conversion equipment 8 Movement.It is driven by cylinder 94, the clamping force with certain elasticity can be obtained, while the circular motion of conversion equipment 8 being turned It is changed to the radial motion of clamping device 6, to realize the clamping to material, can be improved the coherent of the movement of Pneumatic clamping chuck 14 Property, improve clamping effect.

As shown in figs 6-8, the chuck housing 2 includes outer sleeve body 21, the inner peripheral surface of the outer sleeve body 21 be equipped with to The flange 22 of central protuberance, the flange 22 are equipped with the first mounting hole 23 and the first arcuate socket 24, first mounting hole 23 It is spaced and is arranged with the first arcuate socket 24, the center of the flange 22 is equipped with first through hole 25.The flange 22 is close with mounting disc 5 One end of connection.Flange 22 is set in the inside of outer sleeve body 21, can be improved the rigidity and intensity of outer sleeve body 21, extend and use the longevity Life, the first arcuate socket 24 is arranged on flange 22, can reduce the weight of outer sleeve body 21, keeps outer sleeve body 21 lighter.

As shown in figure 9, the separator disc 3 includes separating disk body 31, the center for separating disk body 31 is equipped with the second through-hole 33, the outside of second through-hole 33 is equipped with the second arcuate socket 32, and two arcuate sockets of the ground are on the excircle of the second through-hole 33 It is uniformly distributed.

As shown in figure 21, the conversion equipment 8 includes rotating disk and positioning disk, there are two the rotating disk is set, respectively First rotating disk and the second rotating disk, the fitting setting that first rotating disk and the second rotating disk are relatively rotatable to each other are described The side of first rotating disk is equipped with positioning disk, and the guiding device 7 passes through positioning disk and connect with rotating disk, the rotating disk and drive Dynamic device 9 connects.Drive guiding device 7 along positioning disk radial motion by rotating disk, when rotating disk circular motion be converted to The clamping to workpiece is realized in the radial motion of clamping device 6.

As shown in figs. 16-17, the rotating disk includes rotation disk body 81, and the center of the rotation disk body 81 is equipped with four-way Hole 83 is symmetrically arranged with third arcuate socket 82 and the second pilot hole 84, the third arcuate socket 82 and on the rotation disk body 81 Two pilot holes 84 are staggered, and the inside of second pilot hole 84 is equipped with the second mounting hole 85.Second pilot hole 84 is set, is used In guiding guiding device 7 to the direction far from rotation 81 center of disk body, make guiding device 7 from the center of Pneumatic clamping chuck 14 It is increasingly remoter.

Second pilot hole 84 is the arcuate socket gradually curled up from inside to outside.Camber is arranged in second pilot hole 84 Hole, and spiral is arranged from inside to outside, can reduce the resistance generated when guiding guiding device 7, is conducive to improve to guiding dress The flexibility of 7 guidance is set, the abrasion between guiding device 7 and rotating disk is reduced.

As shown in figure 18, the positioning disk includes guiding disk body 86, and the center of the guiding disk body 86 is equipped with fifth hole 88, third pilot hole 87, the position of the third pilot hole 87 and the position of guiding device 7 are equipped with around the fifth hole 88 It sets corresponding.Third pilot hole 87 is for being oriented to guiding device 7, when rotating disk guides guiding device 7 outward, Third pilot hole 87 of the guiding device 7 on positioning disk can be made to move, even if guiding device 7 is by Pneumatic clamping chuck 14 Heart radial motion outward.

As shown in figs. 19-21, the driving device 9 includes first driving device 919 and the second driving device 929, described First driving device 919 and the second driving device 929 are in 90 ° of settings.First driving device 919 and the second driving device are set 929, the clamping device 6 of the clamping device 6 to the horizontal direction of Pneumatic clamping chuck 14 and vertical direction drives respectively, real The now clamping of irregular cross section improves the versatility of Pneumatic clamping chuck 14.

There are two the first driving device 919 and the second driving device 929 are all provided with.Two first driving dresses are respectively set Set 919 and second driving device 929, driving force can be enhanced, meanwhile, it is capable to wherein 9 failure of driving device when, it is another A driving device 9 works on, and does not influence the operation of equipment, increases dual fail-safe to the use of Pneumatic clamping chuck 14.

As shown in figures 20-21, the first driving device 919 and the second driving device 929 include that cylinder 94, first is solid Dead axle 93 and the second fixing axle 95, the tail portion of the cylinder 94 are connect with the first fixing axle 93, the end of the push rod of the cylinder 94 Portion is connect with the second fixing axle 95, and first fixing axle 93 is fixed on chuck housing 2, and second fixing axle 95 is fixed on In rotating disk.Using cylinder 94, power source clean can be avoided and pollute to workpiece, meanwhile, gas has certain compression Property, certain buffering can be generated when to piece-holder, and workpiece is played a certain protective role.

Specifically, the first fixing axle 93 of first driving device 919 is fixed on chuck housing 2, first driving device 919 The second fixing axle 95 be fixed in the first rotating disk, the cylinder body of cylinder 94 is connect with the first fixing axle 93, the push rod of cylinder 94 It is connect with the second fixing axle 95, the first fixing axle 93 of the second driving device 929 is also secured on chuck housing 2, the first driving Second fixing axle 95 of device 919 is fixed in the second rotating disk, and the cylinder body of cylinder 94 is connect with the first fixing axle 93, cylinder 94 Push rod connect with the second fixing axle 95, specifically, the first fixing axle 93 is mounted in the first mounting hole 23 of chuck housing 2, Second fixing axle 95 is mounted in the second mounting hole 85 of rotating disk, in order to avoid the second fixing axle 95 is interfered with separator disc 3, Second arcuate socket 32 is set on separator disc 3, and the position of the second arcuate socket 32 is opposite with the motion profile position of the second fixing axle 95 Answer, when first driving device 919 cylinder 94 act when, make the first rotating disk around chuck inner sleeve 4 rotate, rotate clockwise or It rotates counterclockwise, the first rotating disk drives the first guiding device 7 to move when rotating, the first guiding device 7 is along Pneumatic clamping chuck 14 radial motion drives the movement of the first clamping device 6, realizes the holding action on 14 1 directions of Pneumatic clamping chuck, when It when the cylinder 94 of second driving device 929 acts, rotates the second rotating disk around chuck inner sleeve 4, rotates clockwise or the inverse time Needle rotation, the second rotating disk drive the second guiding device 7 to move when rotating, the second guiding device 7 is along Pneumatic clamping chuck 14 Radial motion, drive the second clamping device 6 movement, realize another direction of Pneumatic clamping chuck 14 on holding action, i.e., with Perpendicular to the holding action in 6 direction of the first clamping device.

As shown in figure 12, the guiding device 7 includes the first guiding device 7 and the second guiding device 7, first guiding Device 7 and the second guiding device 7 are in 90 ° of settings, specifically, first guiding device 7 passes through positioning disk and the first rotating disk Connection, second guiding device 7 pass through positioning disk and connect with the second rotating disk, the first driving device 919 and the first rotation Turntable connection, second driving device 929 are connect with the second rotating disk.First guiding device 7 and the second guiding device are set 7, the clamping device 6 of the clamping device 6 to the horizontal direction of Pneumatic clamping chuck 14 and vertical direction is oriented to respectively, is realized In horizontal direction and vertical direction to folder, improve the clamping degree to workpiece.

First guiding device 7 and the second guiding device 7 include the second guide rail 71, sliding block 72, guide holder 73 and lid Plate 74, second guide rail 71 are equipped with the sliding block 72 that can be slid along, and the sliding block 72 is equipped with guide holder 73, described to lead The vertical plate 732 extended to 71 side of the second guide rail is equipped with to the both ends of seat 73, the end of the vertical plate 732 is equipped with baffle.It is leading Guide rail is set between seat 73 and mounting disc 5, the frictional force between guide holder 73 and mounting disc 5 can be reduced, makes guide holder 73 Run the more smooth fluency for improving Pneumatic clamping chuck 14 and running.

As shown in figure 14, the guide holder 73 includes plate body 731, and the side of the plate body 731 is equipped with guide post 733, institute The other side for stating plate body 731 is equipped with vertical plate 732, and the vertical plate 732 is separately positioned on the both ends of the side.Guide holder 73 is arranged Guide holder 73 is slidably mounted in mounting disc 5, steps up structure more by the cooperation of guide holder 73 and baffle at Y type It gathers, reduces the length between clamping device 6 and terminal pad 1, be effectively shortened the residue length of tailing, improve workpiece Utilization rate.

As illustrated by figs. 12-13, the clamping device 6 include the first clamping device 6 and the second clamping device 6, described first There are two clamping device 6 and the second clamping device 6 are all provided with, first clamping device 6 and the second clamping device 6 are in 90 ° of settings. First clamping device 6 and the second clamping device 6 are set, it is from horizontal direction and perpendicular to the clamping workpiece of Pneumatic clamping chuck 14 respectively Histogram can be realized and clamp to the workpiece of irregular section to being clamped, and improve the general of Pneumatic clamping chuck 14 Property.

As shown in figure 13, first clamping device 6 and the second clamping device 6 include claw 61, pin shaft 62 and idler wheel 63, one end of the claw 61 is fixed on guiding device 7, and the other end extends to the center of chuck, and the claw 61 is to chuck One end for extending of center be equipped with pin shaft 62, be set with idler wheel 63 on the pin shaft 62.It is contacted by the way that idler wheel 63 is arranged with workpiece, By the movement of rear chuck 103 in clamping process, axial movement of the workpiece under clamp position can be realized, avoid pair The clamping repeatedly of workpiece, improves the cutting efficiency of workpiece.

As shown in figs. 10-11, the mounting disc 5 includes installation disk body 51, and the center of the side of the installation disk body 51 is set There is rotary table 54, the rotary table 54 is equipped with third through-hole 55, and the outer circumference surface of the rotary table 54, which is equipped with, extends to installation disk body The other side of the boss 52 of 51 outer profiles, the installation disk body 51 is equipped with groove 56 corresponding with boss 52, the boss 52 Top surface is equipped with the first pilot hole 53, and the top surface of the first pilot hole 53 from the boss 52 is through to the bottom surface of groove 56.It is installing Boss 52 is arranged in the side of disk 5, and the groove 56 to 52 inner recess of boss is arranged in the another side of boss 52, for installing Guide rail, sliding block 72 and guide holder 73 take full advantage of the space on 5 thickness of mounting disc, effectively reduce Pneumatic clamping chuck 14 thickness is conducive to the length for reducing workpiece tailing, improves the utilization rate of workpiece.

Specifically, the second guide rail 71 of guiding device 7 is fixed in the groove 56 of mounting disc 5, sliding block 72 can be second It is moved back and forth on guide rail 71, guide holder 73 is fixed on sliding block 72, and the vertical plate 732 of guide holder 73 passes through first in mounting disc 5 Pilot hole 53 extends to the other side of mounting disc 5, and the end of two vertical plates 732 is equipped with baffle, in this way, allowing for guiding device 7 diametrically reciprocating along mounting disc 5, the guide post 733 of guide holder 73 can be located at mounting disc 5 towards card in mounting disc 5 The side of 2 inside of disk housing, baffle are located at mounting disc 5 towards the side in 2 outside of chuck housing, and clamping device 6 is fixed on baffle On, it is moved with guiding device 7, the guide post 733 of guiding device 7 turns over conversion equipment 8；Wherein, the guiding of the first guiding device 7 The third pilot hole 87 that column 733 passes through on positioning disk is inserted into the second pilot hole 84 in the first rotating disk, the second guiding dress Set 7 guide post 733 pass through positioning disk on third pilot hole 87 be inserted into the second pilot hole 84 that second patrols on turntable, this Sample, when the first rotating disk rotates clockwise, the second pilot hole of the guide post 733 of the first guiding device 7 in the first rotating disk It is mobile towards the center position of rotating disk under 84 guiding role, while being protected under the guiding role of the third pilot hole 87 of positioning disk Axial displacement does not occur for card guide post 733, makes be oppositely arranged two 6 Distance Shorteneds of clamping device, realizes the clamping to workpiece, Conversely, the guide post 733 of the first guiding device 7 is oriented to the second of the first rotating disk when the first rotating disk rotates counterclockwise It is mobile towards the center position far from rotating disk under the guiding role in hole 84, increase the distance of be oppositely arranged two clamping devices 6 Greatly, the release to workpiece is realized.Likewise, with vertically disposed second guiding device, 7 motion mode of the first guiding device 7 and The motion mode of one guiding device 7 is identical, and when the second rotating disk rotates clockwise, the guide post 733 of the second guiding device 7 exists It is mobile towards the center position of rotating disk under the guiding role of second pilot hole 84 of the second rotating disk, while in the third of positioning disk Guarantee that axial displacement does not occur for guide post 733, makes be oppositely arranged two 6 distances of clamping device under the guiding role of pilot hole 87 Shorten, realizes the clamping to workpiece, conversely, when the second rotating disk rotates counterclockwise, the guide post 733 of the second guiding device 7 It is mobile towards the center position far from rotating disk under the guiding role of the second pilot hole 84 of the second rotating disk, make to be oppositely arranged The distance of two clamping devices 6 increases, and realizes the release to workpiece, in this way, clamping device 6 under the drive of guiding device 7 just The clamping respectively to workpiece in both directions is realized, and can be realized non-equally according to the length of workpiece in two directions Clamping, i.e. clamp distance on 6 direction of the first clamping device can be with the not phase of the clamp distance on 6 direction of the second clamping device Deng.

After the assembly is completed, chuck inner sleeve 4 sequentially passes through the second through-hole 33 of separator disc 3, rotating disk to Pneumatic clamping chuck 14 Fourth hole 83 and positioning disk fifth hole 88, one end of chuck inner sleeve 4 connect with the third through-hole 55 of mounting disc 5, separately One end is connect with terminal pad 1, after being in this way mounted on Pneumatic clamping chuck 14 on the flange of drive sleeve 13, can make rear chuck 103 are deep into front chuck 104, make clamping device 6 of the clamping part of rear chuck 103 close to front chuck 104, reduce the length of tailing Degree, increases the utilization rate of workpiece.

Above-mentioned technical proposal is a kind of embodiment of the utility model, for those skilled in the art, On the basis of the utility model discloses application method and principle, it is easy to various types of improvement or deformation are made, without It is only limitted to method described in the above-mentioned specific embodiment of the utility model, therefore previously described mode is only preferred, and Not restrictive meaning.

Claims (9)

1. a kind of Pneumatic clamping chuck, which is characterized in that including terminal pad, chuck housing, chuck inner sleeve, separator disc, mounting disc, Clamping device, guiding device, conversion equipment and driving device, one end of the chuck housing are equipped with terminal pad, outside the chuck The other end of set is equipped with mounting disc, and the chuck with the coaxial arrangement of chuck housing is additionally provided between the terminal pad and the mounting disc Inner sleeve, the mounting disc are equipped with guiding device, and the guiding device is located at the side outside chuck housing and is equipped with clamping device, The side that the guiding device is located at chuck jacket internal is equipped with conversion equipment, is equipped with and drives between the conversion equipment and terminal pad Dynamic device, is equipped with separator disc between the conversion equipment and driving device, the conversion equipment is driven by driving device, and described turn It is axially converted to the radial motion of clamping device by changing device, and the clamping device includes the first clamping device and second Clamping device；There are two first clamping device and the second clamping device are all provided with, first clamping device and the second clamping Device is in 90 ° of settings.

2. a kind of Pneumatic clamping chuck according to claim 1, which is characterized in that the conversion equipment include rotating disk and Positioning disk, there are two the rotating disk is set, respectively the first rotating disk and the second rotating disk, first rotating disk and the second rotation The fitting setting that turntable is relatively rotatable to each other, the side of first rotating disk are equipped with positioning disk, and the guiding device is passed through and led It is connect to disk with rotating disk, the rotating disk is connect with driving device.

3. a kind of Pneumatic clamping chuck according to claim 2, which is characterized in that the rotating disk includes rotation disk body, The center of the rotation disk body is equipped with fourth hole, is symmetrically arranged with third arcuate socket and the second pilot hole on the rotation disk body, The third arcuate socket is staggered with the second pilot hole, and the inside of second pilot hole is equipped with the second mounting hole.

4. a kind of Pneumatic clamping chuck according to claim 3, which is characterized in that second pilot hole is from inside to outside The arcuate socket gradually curled up.

5. a kind of Pneumatic clamping chuck according to claim 3, which is characterized in that the positioning disk includes guiding disk body, The center of the guiding disk body is equipped with fifth hole, and third pilot hole, the third guiding are equipped with around the fifth hole The position in hole and the position of guiding device are corresponding.

6. a kind of Pneumatic clamping chuck according to claim 1, which is characterized in that first clamping device and the second folder Holding device includes claw, pin shaft and idler wheel, and one end of the claw is fixed on guiding device, and the other end is to the center of chuck Extend, one end that the claw extends to the center of chuck is equipped with pin shaft, is set with idler wheel on the pin shaft.

7. a kind of Pneumatic clamping chuck according to claim 1, which is characterized in that the mounting disc includes installation disk body, The center of the side of the installation disk body is equipped with rotary table, and the rotary table is equipped with third through-hole, on the outer circumference surface of the rotary table Equipped with the boss for extending to the external profile of mounting disc, the other side of the installation disk body is equipped with groove corresponding with boss, described The top surface of boss is equipped with the first pilot hole, and first pilot hole is through to the bottom surface of groove from the top surface of boss.

8. a kind of Pneumatic clamping chuck according to claim 1, which is characterized in that the chuck housing includes outer sleeve body, The inner peripheral surface of the outer sleeve body is equipped with the flange to central protuberance, and the flange is equipped with the first mounting hole and the first arc Hole, first mounting hole and the setting of the first arcuate socket interval, the center of the flange are equipped with first through hole.

9. a kind of Pneumatic clamping chuck according to claim 1, which is characterized in that the separator disc includes separating disk body, The center for separating disk body is equipped with the second through-hole, and the outside of second through-hole is equipped with the second arcuate socket, second arc Hole is uniformly distributed on the excircle of the second through-hole.