CN208148917U - A kind of work piece holder of multiaxis carving machine - Google Patents

Abstract

The utility model discloses a kind of work piece holders of multiaxis carving machine, it is related to carving machine, for solving the problems, such as that plain clamp is poor to round piece clamping stability, including pedestal, the clamping device being set on pedestal, clamping device includes multiple sliding grooves being opened on pedestal, the clamping jaw of clamp port is slidably connected on pedestal and is formed between each other by sliding block, the grip block on clamping jaw and being located in clamp port is detachably secured to by fixation kit, the surface of grip block back to clamping jaw side is recessed inwardly the arc clamping opening being formed with for being embedded in for round piece, and the regulating mechanism for adjusting clamp port size is provided on pedestal；Knockdown clamping device can change the end surface shape itself being in contact with workpiece according to the shape of workpiece, enable that there is bigger contact area between clamping device and workpiece, so that workpiece is not easy to deflect during processing, and it is suitable for other products, to achieve the purpose that improve machining accuracy.

Description

A kind of work piece holder of multiaxis carving machine

Technical field

The utility model relates to carving machine, in particular to a kind of work piece holder of multiaxis carving machine.

Background technique

Precious metal refers to the substances such as gold, silver, platinum, these precious metals are in addition to being made into jewellery so that decoration is worn Outside, the shapes such as coin shape, rectangular, brick shape can be also processed to for investment collection；And the surface of some precious metals can also be into Row engraving to improve the aesthetics of investment noble metal, and is carved and is mainly carried out by carving machine.

Currently, Authorization Notice No. is CN206475654U, the Chinese utility model that authorized announcement date is 2017.09.08 is public It is double by angle fixture, including cylinder and jig main body a kind of glass carving machine automatic loading/unloading is opened, jig main body includes long by angle Angle is leaned on short；Cylinder is fixedly connected on long by angle and short on angle by mounting plate；It is long to lean on angle and short driven by angle by cylinder Operatively open or close, air cylinder guide rod have rubber boot.

The double clampings leaned on angle fixture, also can be used in when precious metal processing of carving machine automatic loading/unloading as described above, When in use by the flexible long by angle and short by angular movement to drive of cylinder piston rod, make long by angle and the short inner side edge by angle Edge is pressed on the side of workpiece to achieve the purpose that fixed workpiece；But this pair finds during use by angle fixture, Due to it is two groups long by angle and it is short by angle be to need to be pressed on two apex angles of workpiece opposite to each other to clamp workpiece, And length is unadjustable by angle and the short angle between angle, therefore this pair can only press from both sides the workpiece of quadrangle by angle fixture It holds, when the cross sectional shape of workpiece is round, this pair can not form clamp standoff point by angle fixture on workpiece, so that workpiece It is easy to appear deflection during engraving, deviation occurs so as to cause work pieces process.

Utility model content

The purpose of the utility model is to provide a kind of work piece holder of multiaxis carving machine, can be formed on round piece steady Fixed supporting point enables this fixture to clamp circular workpiece, and workpiece is made to be not easy to send out during processing Raw deflection, to achieve the purpose that improve machining accuracy.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of multiaxis carving machine Work piece holder, including pedestal, be set on the pedestal and be used for clamping workpiece clamping device, the clamping device include it is more It is a to be opened in sliding groove that on the pedestal and length direction intersects with each other, be slidably connected on the pedestal by sliding block and phase It is formed with the clamping jaw of clamp port between mutually, is detachably secured on the clamping jaw and is located in clamp port by fixation kit Grip block, the surface of the grip block back to clamping jaw side be recessed inwardly be formed with for being embedded in for round piece arc folder Mouthful, and it is provided with the regulating mechanism for adjusting clamp port size on the base.

By using above scheme, when needing to clamp round piece, it is only necessary to put the workpiece in multiple clamping jaws Between be formed by clamp port, then by adjusting clamping device, reduce clamp port；In the process that clamp port reduces In, grip block can be generated with round piece and be contacted, due to being formed with the arc clamping opening being recessed inwardly on grip block, when clamping When the generation of the side wall of block and round piece contacts, each individually grip block at least can form two on the side wall of round piece The supporting point of bar line contact, compared with planar clamping jaw, grip block can have bigger contact surface between round piece Product, therefore can have bigger frictional force between round piece, so that round piece is not easy to send out during processing Raw deflection, to achieve the purpose that improve machining accuracy；And when workpiece is in square, it is only necessary to by grip block from clamping jaw It removes, to make this work piece holder that there is higher applicability.

The utility model is further arranged to：It is offered on the side wall that the grip block is located in arc clamping opening anti-skidding Line.

By using above scheme, the anti-skid chequer on grip block can generate the process contacted with grip block in round piece The middle contact friction force increased between grip block and center of circle workpiece is beaten so that not allowing to be also easy to produce between grip block and round piece It is sliding, to achieve the purpose that further increase machining accuracy.

The utility model is further arranged to：The section of the sliding groove is in the shape of an " I ", and the section of the sliding block is in The I-shaped to match with sliding groove.

By using above scheme, section sliding groove and sliding block in the shape of an " I ", so that sliding block is in insertion sliding groove Afterwards, it can hook on pedestal, so that sliding block is not easy to send out with pedestal during the length direction along sliding groove is slided It is raw to be detached from, so that regulating mechanism can drive slide block movement.

The utility model is further arranged to：The fixation kit includes being opened in the grip block back to arc clamping opening Clamping tooth socket, integrated setting on one side surface on the side wall of grip block side and are used for link in the clamping jaw Card teeth block in tooth socket is opened on the clamping jaw and is located at the fixing screwed hole of the same side with card teeth block, is opened in institute The counter sink on grip block and for forming cooperation with fixing screwed hole is stated, the grip block is carried out by fixing bolt and clamping jaw It is fixed, and the nut of the fixing bolt is located in counter sink.

By using above scheme, the cooperation for being clamped tooth socket and card teeth block can be after grip block and clamping jaw clamping, limit The movement in multiple clamping tooth socket orientations is generated between grip block and clamping jaw processed, and fixing bolt can limit grip block The movement on card teeth slot length direction is generated between clamping jaw, therefore is clamped being total to for tooth socket, card teeth block and fixing bolt Same-action can limit and generate relative motion between grip block and clamping jaw, to achieve the purpose that grip block and clamping jaw is fixed； And the presence of card teeth block can during clamping jaw clamps workpiece, when workpiece generated under the extruding of clamping jaw it is small Deformation when, the part of workpiece deformation can be embedded between adjacent card teeth block and be formed by clamping groove, so that workpiece is not easy Skidding is generated between clamping jaw, to make this clamping jaw to square workpiece also clamping stability with higher；And countersunk head Hole can be used in storing fixing bolt, and grip block is made to be not easy to connect with workpiece generation during clamping round piece Touching, so that fixing bolt be made to be not easy to influence the clamping stability of workpiece.

The utility model is further arranged to：The regulating mechanism include be opened in the pedestal inside and with sliding Slot connection adjusting cavity, be fixed on the sliding block back on one side surface of clamping jaw linkage block, be rotationally connected on the pedestal Adjusting cavity in and have the adjustment disk of spiral bar, pedestal is divided into upper pedestal and lower base, the seat of honour by the adjusting cavity It is fixed between body and lower base by connecting bolt, the spiral bar is in spiral distribution around the center of adjustment disk, described Spiral bar is formed with the helicla flute for being embedded in for linkage block on adjustment disk, and is provided with adjusts for driving on the base Save the driving assembly of disk rotation.

By using above scheme, disk center's spiral bar in spiral distribution is adjusted due to being provided with to surround on adjustment disk, Therefore when adjustment disk generates rotation under the driving of driving assembly, helicla flute with adjustment disk during rotating, along tune Section can generate linear motion on disk diameter direction, and be formed by helicla flute since the linkage block on clamping jaw is embedded at spiral bar It is interior, therefore spiral bar will push linkage block and be moved along the diametrical direction of adjustment disk, and then cause to do phase between multiple clamping jaws Movement that is mutually close or being located remotely from each other, to achieve the purpose that adjust clamp port size.

The utility model is further arranged to：The operation for being embedded in for spanner is offered on the side wall of the upper pedestal Slot, the operating groove is between adjacent two connections bolt, and the lower base is back to offering on the end face of upper pedestal side It is connected to operating groove and wears keyhole for lower base to be fixed on finishing impression machine worktable after passing through for bolt.

By using above scheme, the operating groove on the body sidewall of the seat of honour can be embedded in for spanner, so that when needing pedestal When being fixed with the workbench of carving machine, spanner can be protruded into operating groove and be twisted to bolt by operator, thus Achieve the purpose that facilitate and pedestal is installed on carving machine.

The utility model is further arranged to：The driving component includes being opened in the upper pedestal and lower base each other Offset the mounting groove on a side surface, the driving bevel gear in the mounting groove that is rotationally connected on upper pedestal and lower base, one Change the plane for being set to the adjustment disk back to the central distribution on the surface of clamping jaw side and around adjustment disk and bores tooth, the drive It is intermeshed between dynamic bevel gear and plane cone tooth.

By using above scheme, since adjustment disk is rotationally connected on pedestal, and on driving bevel gear and adjustment disk Plane cone tooth is meshed, therefore adjustment disk can be driven to generate rotation during driving bevel gear rotation, rotates in adjustment disk During again can by the cooperation of spiral bar and linkage block driving clamping jaw do the movement close to each other that can be located remotely from each other, to reach To the purpose for adjusting clamp port size.

The utility model is further arranged to：The upper pedestal and lower base are located at one on the inner wall of mounting groove opening Body, which is provided with, is used to support block, and the bearing in the driving bevel gear is contradicted in supporting block close to the side wall of adjustment disk side On.

By using above scheme, in order to reduce the frictional force of driving bevel gear during rotation, worker is in practical peace Bearing can be installed during dress additional in the rotation axis of driving bevel gear, and bearing in use may be from driving bevel gear On fall off, and after supporting block is arranged, since bearing contradicts in supporting block, when bearing has towards abjection installation When the trend of slot side movement, supporting block can stop bearing to be deviate from, so that reaching enables driving bevel gear normal rotation Purpose；And after upper pedestal and lower base combine, the supporting block on upper pedestal and lower base will form relatively closed Environment, so that the lubricating oil on bearing is not easy mistake of overflowing, so that bearing be enable to keep lubricating for a long time.

In conclusion the utility model has the advantages that：

1. knockdown clamping device can change the end surface shape itself being in contact with workpiece according to the shape of workpiece, Enable that there is bigger contact area between clamping device and workpiece, so that workpiece is not easy to occur partially during processing Turn, to achieve the purpose that improve machining accuracy；

2. being first clamped the connection type fixed afterwards can limit between grip block and clamping jaw after grip block is connected with clamping jaw Relative motion is generated, to achieve the purpose that improve gripper mechanism grips stability；

3. making adjustment disk in rotation using the regulative mode that the cooperation of spiral bar and linkage block drives clamping jaw Process can drive clamping jaw slowly to move, to realize the purpose being finely adjusted to clamp port.

Detailed description of the invention

Fig. 1 is the overall structure figure of the present embodiment；

Fig. 2 is the structural schematic diagram of clamping jaw and grip block；

Fig. 3 is the explosive view of the present embodiment.

In figure：1, pedestal；11, upper pedestal；111, operating groove；12, lower base；121, keyhole is worn；2, clamping device；21, Sliding groove；22, clamping jaw；221, clamp port；222, sliding block；23, grip block；231, arc clamping opening；232, anti-skid chequer；3, fixed group Part；31, it is clamped tooth socket；311, clamping block；32, card teeth block；321, clamping groove；33, fixing screwed hole；34, counter sink；35, Fixing bolt；4, regulating mechanism；41, adjusting cavity；42, linkage block；43, adjustment disk；431, spiral bar；432, helicla flute；5, it drives Dynamic component；51, mounting groove；511, supporting block；52, driving bevel gear；521, bearing；53, plane bores tooth.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

As shown in Figure 1, a kind of work piece holder of multiaxis carving machine, including pedestal 1, clamping device 2, pedestal 1 is annular in shape, The cavity of pedestal 1 being centrally formed with for being put into for workpiece；Clamping device 2 includes sliding groove 21, clamping jaw 22, grip block 23, Sliding groove 21 is provided with multiple, and section is "working"-shaped, and is opened in pedestal 1 wherein on the end face of side, and multiple sliding grooves 21 The extended line of length direction intersects at the center of pedestal 1.

As shown in Fig. 2, clamping jaw 22 is blocky in ladder, the one on surface of the clamping jaw 22 back to itself step structure side Change, which is fixed with, is slidably connected relationship and section is "working"-shaped for being embedded in after sliding groove 21 to make to be formed between clamping jaw 22 and pedestal 1 Sliding block 222, the clamp port 221 for clamping workpiece is formed between multiple clamping jaws 22 at this time；The surface of 23 side of grip block Be recessed inwardly the arc clamping opening 231 being formed with for being embedded in for round piece, and arc clamping opening 231 makes grip block 23 in circular arc block Shape；Anti-skid chequer 232, and grip block 23 and clamping jaw 22 are offered on grip block 23 and on the side wall in arc clamping opening 231 Between be fixed by fixation kit 3.

As shown in figure 3, fixation kit 3 includes clamping tooth socket 31, card teeth block 32, fixing screwed hole 33, counter sink 34, consolidates Determine bolt 35, clamping tooth socket 31 is opened in grip block 23 back on the side wall of 231 side of arc clamping opening, and clamping tooth socket 31 makes to clamp Multiple clamping blocks 311, length direction distribution of multiple clamping blocks 311 along clamping tooth socket 31 are formed on block 23；Card teeth block 32 1 Body is fixed on clamping jaw 22 and is located in clamp port 221 on the side wall of side, and is distributed along the short transverse of clamping jaw 22, adjacent clamping The clamping groove 321 for being embedded in for the clamping block 311 on grip block 23, the card teeth on clamping jaw 22 are formed between tooth block 32 When block 32 is embedded in the clamping tooth socket 31 on grip block 23, clamping block 311 is also in link slot 321, to limit grip block The relative motion on lateral and vertical is generated between 23 and clamping jaw 22.

Fixing screwed hole 33 is opened in clamping jaw 22 and is fixed on the side wall of 32 side of card teeth block；Counter sink 34 is opened in folder It holds on the side wall that block 23 is located in arc clamping opening 231, and when in 22 link tooth socket 31 of clamping jaw, counter sink 34 and fixed spiral shell Pit 33 is connected；The screw rod of fixing bolt 35 passes through 34 rear thread of counter sink and is connected in fixing screwed hole 33, and fixed spiral shell The nut of bolt 35 is located in counter sink 34.

The regulating mechanism 4 for adjusting 221 size of clamp port is provided on pedestal 1, regulating mechanism 4 includes adjusting cavity 41, the section of linkage block 42, adjustment disk 43, adjusting cavity 41 is in the annular shape concentric with pedestal 1, is opened in inside pedestal 1, is opening If needing to cut pedestal 1 when adjusting cavity 41, so that pedestal 1 is divided into upper pedestal 11 and lower base 12, upper pedestal 11 is under It is fixed between pedestal 12 by bolt；Position on the side wall of upper pedestal 11 and between two neighboring sliding groove 21 The operating groove 111 that section is arc-shaped is offered, offered on lower base 12 through lower base 12 and is connected to operating groove 111 Wear keyhole 121, entire fixture is worn the mode that 121 rear thread of keyhole is connected on finishing impression machine worktable by bolt and will be pressed from both sides Tool is fixed with carving machine, therefore operating groove 111 can be for snapping on the nut of bolt, to facilitate behaviour after spanner insertion Bolt is twisted as personnel；Sliding groove 21 is located on upper pedestal 11, and sliding groove 21 is connected with adjusting cavity 41.

Linkage block 42 is in arc-shaped, is fixed on sliding block 222 back on the surface of 22 side of clamping jaw；And linkage block 42 is far from sliding One end of block 222 is located in adjusting cavity 41；Adjustment disk 43 is annular in shape, is embedded in adjusting cavity 41, and in the drive of driving assembly 5 It makes rotating motion under dynamic；In adjustment disk 43, integration is fixed with around 43 center of adjustment disk on the surface of 22 side of clamping jaw Spiral bar 431 in spiral distribution, spiral bar 431 are formed with the helicla flute for being embedded in for linkage block 42 on adjustment disk 43 432, so that clamping jaw 22 can be driven to carry out along the length direction of sliding groove 21 by spiral bar 431 when adjustment disk 43 rotates Movement, causes to do movement close to each other or separate between multiple clamping jaws 22, to reach the mesh for adjusting 221 size of clamp port 's.

Driving assembly 5 includes mounting groove 51, driving bevel gear 52, plane cone tooth 53, and mounting groove 51 is opened in upper pedestal 11 On the end face for mutually contradicting side with lower base 12, and mounting groove 51 has half to be located on upper pedestal 11 and lower base 12 respectively； The supporting block 511 in semicircular is respectively fixed on the inner wall that upper pedestal 11 and lower base 12 are located at 51 opening of mounting groove, Supporting block 511 is used to contradict for the bearing 521 of driving bevel gear 52, plays support to bearing 521, is not easy bearing 521 Deviate from out of mounting groove 51 during use；Plane bores 53 integrated setting of tooth in adjustment disk 43 back to 431 side of spiral bar Surface on, plane bores the central distribution that tooth 53 surrounds adjustment disk 43, and when adjustment disk 43 is embedded in adjusting cavity 41, plane Cone tooth 53 is meshed with driving bevel gear 52.

Specific implementation process：When needing to clamp round piece, it is only necessary to put the workpiece in multiple clamping jaws 22 it Between be formed by clamp port 221, then driven by rotate driving bevel gear 52 adjustment disk 43 generate rotation, in adjustment disk Clamping jaw 22 can be driven to do the movement in direction close to each other during 43 rotations, and then clamp port 221 is caused to reduce；In clamp port During 221 reduce, grip block 23 can be contacted with round piece generation, due to being formed with the arc being recessed inwardly on grip block 23 Clevis mouth 231, therefore when the generation of the side wall of grip block 23 and round piece contacts, each individually grip block 23 at least can The supporting point that two lines contact is formed on the side wall of round piece, compared with planar clamping jaw 22,23 pairs of circles of grip block The clamping stability of workpiece is higher, so that round piece is less likely to occur to deflect during processing, adds to reach raising The purpose of work precision.

When workpiece is in square, it is only necessary to remove grip block 23 from clamping jaw 22, drive in the same way Clamp port 221, which becomes smaller, clamps workpiece, and during squeezing workpiece, workpiece can generate clamping jaw 22 at this time Small deformation, the part of workpiece deformation, which can be embedded between adjacent card teeth block 32, to be formed by clamping groove 321, so that workpiece It is not easy to generate skidding between clamping jaw 22, so that this clamping jaw 22 be made to stablize square workpiece also clamping with higher Property.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (8)

1. a kind of work piece holder of multiaxis carving machine, including pedestal (1), it is set on the pedestal (1) and for clamping workpiece Clamping device (2), it is characterised in that：The clamping device (2) includes multiple is opened on the pedestal (1) and length direction The sliding groove (21) that intersects with each other is slidably connected on the pedestal (1) by sliding block (222) and is formed with clamping between each other The clamping jaw (22) of mouth (221) is detachably secured on the clamping jaw (22) by fixation kit (3) and is located at clamp port (221) grip block (23) in, the surface of the grip block (23) back to clamping jaw (22) side, which is recessed inwardly, to be formed with for supplying The arc clamping opening (231) of round piece insertion, and be provided on the pedestal (1) for adjusting clamp port (221) size Regulating mechanism (4).

2. a kind of work piece holder of multiaxis carving machine according to claim 1, it is characterised in that：Grip block (23) position In offering anti-skid chequer (232) on the side wall in arc clamping opening (231).

3. a kind of work piece holder of multiaxis carving machine according to claim 1, it is characterised in that：The sliding groove (21) Section is in the shape of an " I ", and the section of the sliding block (222) is in the I-shaped to match with sliding groove (21).

4. a kind of work piece holder of multiaxis carving machine according to claim 1, it is characterised in that：The fixation kit (3) Including being opened in the grip block (23) back to the clamping tooth socket (31) on (231) one side surface of arc clamping opening, integrated setting In the clamping jaw (22) on the side wall of grip block (23) side and for the card teeth block in link tooth socket (31) (32), it is opened on the clamping jaw (22) and is located at the fixing screwed hole (33) of the same side with card teeth block (32), is opened in institute The counter sink (34) on grip block (23) and for forming cooperation with fixing screwed hole (33) is stated, the grip block (23) passes through solid Determine bolt (35) to be fixed with clamping jaw (22), and the nut of the fixing bolt (35) is located in counter sink (34).

5. a kind of work piece holder of multiaxis carving machine according to claim 1, it is characterised in that：The regulating mechanism (4) Including be opened in the inside of the pedestal (1) and be connected to sliding groove (21) adjusting cavity (41), be fixed on the sliding block (222) Back on (22) one side surface of clamping jaw linkage block (42), in the adjusting cavity (41) that is rotationally connected on the pedestal (1) and band There is the adjustment disk (43) of spiral bar (431), pedestal (1) is divided into upper pedestal (11) and lower base by the adjusting cavity (41) (12), it is fixed between the upper pedestal (11) and lower base (12) by connecting bolt, the spiral bar (431) is around tune The center for saving disk (43) is in spiral distribution, and the spiral bar (431) is formed with for for linkage block (42) on adjustment disk (43) The helicla flute (432) of insertion, and it is provided on the pedestal (1) driving assembly (5) for driving adjustment disk (43) to rotate.

6. a kind of work piece holder of multiaxis carving machine according to claim 5, it is characterised in that：The upper pedestal (11) Offer the operating groove (111) for being embedded in for spanner on side wall, the operating groove (111) be located at adjacent two connections bolt it Between, the lower base (12) is connected to and for for spiral shell back to offering on the end face of upper pedestal (11) side with operating groove (111) Lower base (12) is fixed on finishing impression machine worktable by bolt after passing through wears keyhole (121).

7. a kind of work piece holder of multiaxis carving machine according to claim 5, it is characterised in that：The driving component (5) Including be opened in the upper pedestal (11) and lower base (12) offset each other mounting groove (51) on a side surface, be rotationally connected with The driving bevel gear (52) in mounting groove (51), integrated setting on upper pedestal (11) and lower base (12) is in the adjustment disk (43) tooth (53) are bored back to the plane of the central distribution on the surface of clamping jaw (22) side and around adjustment disk (43), the driving It is intermeshed between bevel gear (52) and plane cone tooth (53).

8. a kind of work piece holder of multiaxis carving machine according to claim 7, it is characterised in that：The upper pedestal (11) and Lower base (12), which is located at integrated setting on the inner wall of mounting groove (51) opening, to be had for supporting block (511), the driving cone Bearing (521) on gear (52) contradicts on the side wall in supporting block (511) close to adjustment disk (43) side.