CN104551789B - Indexing fixture - Google Patents

Indexing fixture Download PDF

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Publication number
CN104551789B
CN104551789B CN201510043519.2A CN201510043519A CN104551789B CN 104551789 B CN104551789 B CN 104551789B CN 201510043519 A CN201510043519 A CN 201510043519A CN 104551789 B CN104551789 B CN 104551789B
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CN
China
Prior art keywords
pressing plate
link rod
assembling
hydraulic cylinder
rolling ball
Prior art date
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Active
Application number
CN201510043519.2A
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Chinese (zh)
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CN104551789A (en
Inventor
潘茜茜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Anji Huayuan Technology Development Co ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201610956119.5A priority Critical patent/CN106425605A/en
Priority to CN201610949470.1A priority patent/CN106425604A/en
Priority to CN201610947722.7A priority patent/CN106312644A/en
Priority to CN201610959766.1A priority patent/CN106425606A/en
Priority to CN201610757096.5A priority patent/CN106239260A/en
Priority to CN201610733683.0A priority patent/CN106271759A/en
Priority to CN201610947731.6A priority patent/CN106346285A/en
Application filed by Individual filed Critical Individual
Priority to CN201510043519.2A priority patent/CN104551789B/en
Priority to CN201610757196.8A priority patent/CN106271762A/en
Priority to CN201610739807.6A priority patent/CN106239259A/en
Priority to CN201610752081.XA priority patent/CN106239218A/en
Priority to CN201610757802.6A priority patent/CN106239261A/en
Priority to CN201610956155.1A priority patent/CN106392721A/en
Priority to CN201610947725.0A priority patent/CN106425603A/en
Publication of CN104551789A publication Critical patent/CN104551789A/en
Application granted granted Critical
Publication of CN104551789B publication Critical patent/CN104551789B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q16/00Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02Indexing equipment
    • B23Q16/08Indexing equipment having means for clamping the relatively movable parts together in the indexed position
    • B23Q16/10Rotary indexing
    • B23Q16/102Rotary indexing with a continuous drive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q16/00Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02Indexing equipment
    • B23Q16/08Indexing equipment having means for clamping the relatively movable parts together in the indexed position
    • B23Q16/10Rotary indexing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • B23Q3/082Work-clamping means other than mechanically-actuated hydraulically actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/04Work clamping means using fluid means or a vacuum

Abstract

The indexing fixture that the present invention provides, after workpiece is loaded into supporting arrangement, compressed hydraulic cylinder action before this, workpiece is carried out thick pressuring action, the most again by handling link rod feeding, further workpiece is closely compressed, essence pressuring action fills up the gap compressing hydraulic cylinder operating position fixing, improve setting accuracy, and then play reduction vibrations when work pieces process, improve the effect of machining accuracy.Rolling ball body is accommodated between yoke plate groove and pressing plate groove, simultaneously with both rolling friction, and both have locating effect to it simultaneously, when pressing plate turns round together with workpiece, pressing plate is relative to a little radial displacement of link rod, reduce pressing plate by rolling friction each other and put on the radial force negative effect of link rod, keep the axial concentricity of link rod, and then improve machining accuracy.

Description

Indexing fixture
Technical field
The present invention relates to fixture, especially relate to lathe supporting for the fixture to workpiece indexing processing.
Background technology
The Chinese patent of Patent No. 201420111322.9, the indexing fixture of record, including clamp body, folder Specifically having receiving space, workpiece is loaded among receiving space, and clamp body is provided with supporting arrangement and compresses dress Putting, supporting arrangement is used for supporting workpiece, and hold down gag, after supporting arrangement supporting workpiece, applies pressure to it Location is completed after making Work-sheet pressing.The defect that this technical scheme presently, there are is different because of workpiece, and Surface irregularity, and hold down gag because only have compress hydraulic cylinder thick pressuring action, cause its pressing plate and There is inessential gap error between workpiece, affect machining accuracy, setting accuracy is not enough.And due to existing Some pressing plates turn round together with workpiece, and the pressing plate hold down gag to being in contact with it can apply radial force, especially This radial force can be delivered to compress the piston rod of hydraulic cylinder, causes compression action to be lost efficacy, extreme influence processing essence Degree, and bring potential safety hazard.
Summary of the invention
For overcoming drawbacks described above, the indexing fixture that the present invention provides, on the basis of thick pressuring action, set up essence Pressuring action, reduces the inessential gap behind location, improves setting accuracy, and can reduce because revolution brings Radial force impact.
The indexing fixture that the present invention provides, including clamp body, clamp body has receiving space, and clamp body is provided with Supporting arrangement and hold down gag, hold down gag includes pressing plate, compresses hydraulic cylinder, piston rod, link rod, compresses Hydraulic cylinder and the fixing assembling of clamp body, piston rod is pressed against hydraulic cylinder axially movable assembling, piston rod pressurized Tight hydraulic cylinder orders about axial activity, link rod and the assembling of piston rod axial restraint, and link rod and piston rod are axially opposing Roll adjustment, link rod and the assembling of pressing plate axial restraint, pressing plate, relative to link rod revolution assembling, has between link rod and pressing plate Having rolling ball body, rolling ball body and link rod to abut assembling, rolling ball body and pressing plate and abut assembling, link rod is provided with Yoke plate groove, rolling ball body and yoke plate groove matched in clearance assemble, and link rod is provided with link rod end face, link rod end face towards Pressing plate, yoke plate groove has the circular port being positioned at link rod end face, and circular port diameter is less than rolling ball body diameter, connection Board slot axial depth is more than 1/2nd of rolling ball body diameter, and yoke plate groove axial depth is straight less than rolling ball body Footpath, pressing plate includes pressing plate end face and pressing plate groove, pressing plate end face towards link rod, pressing plate end face and link rod end face in Being parallel to each other, pressing plate groove includes the opening being positioned at pressing plate end face, and pressing plate groove includes two pressing plate groove inclined-planes, two The axially symmetric assembling in individual pressing plate groove inclined-plane, rolling ball body and two pressing plate groove inclined-planes abut assembling.
The indexing fixture provided according to the present invention, after workpiece is loaded into supporting arrangement, compressed hydraulic cylinder before this Action, carries out thick pressuring action to workpiece, the most again by handling link rod feeding, further that workpiece is tight Compressing, essence pressuring action fills up the gap compressing hydraulic cylinder operating position fixing, improves setting accuracy, Jin Er Play reduction vibrations during work pieces process, improve the effect of machining accuracy.Rolling ball body be accommodated in yoke plate groove and Between pressing plate groove, simultaneously with both rolling friction, and both have locating effect to it, when pressing plate and work simultaneously When part turns round together, pressing plate, relative to a little radial displacement of link rod, is dropped by rolling friction each other Low pressing plate puts on the radial force negative effect of link rod, keeps the axial concentricity of link rod, and then improves processing Degree of accuracy.
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structure chart after indexing fixture embodiment loads workpiece.
Fig. 2 is one of axonometric chart of indexing fixture embodiment.
Fig. 3 is the two of the axonometric chart of indexing fixture embodiment.
Fig. 4 is the structure chart of indexing fixture embodiment.
Fig. 5 is that the A-A of Fig. 4 is to sectional view.
Fig. 6 is schematic enlarged-scale view at indexing fixture embodiment A.
Fig. 7 is the structure chart after Fig. 6 dismantles rolling ball body 350.
Fig. 8 is indexing fixture embodiment link rod 340 and rolling ball body 350 the second assembling structure.
Fig. 9 is the structure chart of the base 270 of indexing fixture embodiment.
Detailed description of the invention
According to Fig. 1 to Fig. 4, Fig. 6 to Fig. 8, the indexing fixture embodiment of the present invention, including clamp body 100, clamp body 100 has receiving space 900, and clamp body 100 is provided with supporting arrangement 200 and hold down gag 300, hold down gag 300 includes pressing plate 310, compresses hydraulic cylinder 320, piston rod 330, link rod 340, pressure Tight hydraulic cylinder 320 and the fixing assembling of clamp body 100, piston rod 330 is pressed against hydraulic cylinder 320 and axially lives Dynamic assembling, piston rod 330 is ordered about axial activity, link rod 340 and piston rod 330 by compressing hydraulic cylinder 320 Axial restraint assembles, link rod 340 and the axially opposing roll adjustment of piston rod 330, link rod 340 and pressing plate 310 axle To fixing assembling, the revolution assembling of pressing plate 310 relative link rod 340, have between link rod 340 and pressing plate 310 Rolling ball body 350, rolling ball body 350 and link rod 340 abut assembling, and rolling ball body 350 and pressing plate 310 support Tipping is joined, and link rod 340 is provided with yoke plate groove 341, and rolling ball body 350 assembles with yoke plate groove 341 matched in clearance, Link rod 340 is provided with link rod end face 345, and link rod end face 345 is towards pressing plate 310, and yoke plate groove 341 has and is positioned at The circular port 347 of link rod end face 345, circular port 347 diameter is less than rolling ball body 350 diameter, yoke plate groove 341 axial depth are more than 1/2nd of rolling ball body 350 diameter, and yoke plate groove 341 axial depth is less than rolling Spheroid 350 diameter, pressing plate 310 includes pressing plate end face 312 and pressing plate groove 313, and pressing plate end face 312 is towards connection Bar 340, pressing plate end face 312 and link rod end face 345 are in being parallel to each other, and pressing plate groove 313 includes being positioned at pressing plate end The opening 314 in face 312, pressing plate groove 313 includes two pressing plate groove inclined-planes 315, two pressing plate groove inclined-planes 315 Axially symmetric assembling, rolling ball body 350 and two pressing plate groove inclined-planes 315 abut assembling.
Accommodating space 900 is the space for loading workpiece 800, and workpiece 800 is from the top of clamp body 100 It is loaded in receiving space 900.
Piston rod 330 is pressed against the most movable assembling of hydraulic cylinder 320, and piston rod 330 is to compress hydraulic cylinder The piston rod of 320, is fixedly mounted at clamp body 100 owing to compressing hydraulic cylinder 320, and piston rod 330 is just The compression hydraulic cylinder 320 of geo-stationary is the most movable, and therefore piston rod 330 is pressed against hydraulic cylinder 320 axle It is construed as piston rod 330 to activity assembling and can be pressed against hydraulic cylinder 320 axially activity, and its Ordered about by compressing hydraulic cylinder 320.
Link rod 340 and the assembling of piston rod 330 axial restraint, link rod 340 and the axially opposing tune of piston rod 330 Away from, refer to that both link rod 340 and piston rod 330 have axial interaction relation to have again axially opposing shifted relationship, Link rod 340 and piston rod 330 are can be ordered about the most common interaction relation retreated by compressing hydraulic cylinder 320, Link rod 340 can individually axially be retreated by opposing pistons bar 330 again simultaneously, is consequently formed both axially opposing Roll adjustment, the linkage of link rod 340 and piston rod 330 is i.e. so-called compression action thick to workpiece, and link rod 340 The independent roll adjustment of opposing pistons bar 330 is i.e. so-called to workpiece essence pressuring action.
Link rod 340 and the assembling of pressing plate 310 axial restraint, the revolution assembling of pressing plate 310 relative link rod 340, be Refer to that link rod 340 has interaction relation to have again relative revolution relation, link rod 340 and pressing plate 310 with both pressing plates 310 Can also be ordered about the most common interaction relation retreated by compressing hydraulic cylinder 320, pressing plate 310 is the most permissible simultaneously Link rod 340 the most relatively turns round.
As shown in Fig. 4, Fig. 6, Fig. 7, relative link rod 340 rolling friction of pressing plate 310 is assembled.Refer to this two Relative displacement contact between person is completely converted into rolling friction, specifically, is when pressing plate 310 and workpiece 800 when turning round together, and a little radial displacement of the relative link rod 340 of pressing plate 310, by rolling each other Friction reduces pressing plate 310 and puts on the radial force negative effect of link rod 340, keeps the axial of link rod 340 Concentricity, and then improve machining accuracy.Especially, it should be noted that, between link rod 340 and pressing plate 310 Only rolling friction contact, does not has other contact site the most between the two.
Link rod 340 is provided with link rod end face 345, and link rod end face 345 has towards pressing plate 310, yoke plate groove 341 Being positioned at the circular port 347 of link rod end face 345, circular port 347 diameter is less than rolling ball body 350 diameter, yoke plate Groove 341 axial depth is more than 1/2nd of rolling ball body 350 diameter, and yoke plate groove 341 axial depth is less than Rolling ball body 350 diameter, pressing plate 310 includes pressing plate end face 312 and pressing plate groove 313, pressing plate end face 312 To link rod 340, pressing plate end face 312 and link rod end face 345 in being parallel to each other, pressing plate groove 313 includes being positioned at pressure The opening 314 of plate end face 312, pressing plate groove 313 includes two pressing plate groove inclined-planes 315, two pressing plate groove inclined-planes 315 axially symmetric assemblings, rolling ball body 350 and two pressing plate groove inclined-planes 315 abut assembling.
There is between link rod 340 and the pressing plate 310 of the present embodiment rolling ball body 350, rolling ball body 350 and connection Bar 340 abuts assembling, rolling ball body 350 and pressing plate 310 and abuts assembling.
It is prone to dismounting and maintenance it may be said that rolling ball body 350 is exactly a ball ball, preferably rolling ball body 350, Advantageously reduce cost.But the abutting relation between link rod 340 and pressing plate 310 should be defined to rolling Dynamic spheroid 350, as long as because can realize both rolling friction.
Link rod 340 is provided with yoke plate groove 341, and rolling ball body 350 assembles with yoke plate groove 341 matched in clearance.Yoke plate Groove 341 is advantageous for a kind of structure of dismounting maintenance, is certainly used as other mechanism and is replaced.Such as, As shown in Figure 8, can set up a lateral pin 349 at link rod 340, lateral pin 349 two ends fix with link rod 340 Assembling, and rolling ball body 350 is provided with a through hole 355, by lateral pin 349 through this rolling ball body 350 Through hole 355, rolling ball body 350 can rotate relative to lateral pin 349, completes rolling ball body 350 and link rod 340 Assembling, simply compares yoke plate groove 341 like that and cost can be greatly improved, and dismounting maintenance cost is high.
It is cannot be axial that the structure of yoke plate groove 341 and the size of rolling ball body 350 determine rolling ball body 350 Departing from the permanent assembly relation of link rod 340, the structure of pressing plate groove 313 coordinates at pressing plate 310 and link rod 340 Time, rolling ball body 350 can be made contained therein, make rolling ball body 350 be clipped in the yoke plate groove 341 of both sides all the time And to play outstanding effect of stable rolling resistor between pressing plate groove 313.
Link rod 340 is sequentially provided with abutting end 342, thread segment 343 and controls end 344, thread segment 343 He Piston rod 330 threaded engagement is assembled, and controls end 344 towards cavity 331, the through assembling of cavity 331 and the external world, Abutting end 342 is provided with link rod end face 345, yoke plate groove 341 and packing ring 346, and pressing plate 310 is provided with lasso 311, The socket assembling of lasso 311 relative link rod 340, lasso 311 and the fixing assembling of pressing plate 310, lasso 311 He Packing ring 346 axial restraint assembles, and controls end 344 and includes yi word pattern groove 348 or cross groove, yi word pattern groove Or cross groove face is to cavity 331.
Link rod 340 two ends are respectively set to the abutting end 342 coordinated with pressing plate 310, and by operative's Controlling end 344, thread segment 343 arranges external screw thread and piston rod 330 threaded engagement, pressing plate 310 and link rod 340 complete axial restraint by lasso 311 and the packing ring 346 being respectively provided with, and can use operation instrument from the external world As cavity 331 got involved by screwdriver etc., yi word pattern groove 348 or the cross groove of operation control end 344 conveniently revolve Dynamic link rod 340 so that it is can roll adjustment relative with piston rod 330.
As shown in Figure 4, during supporting arrangement 200 also refers to the Chinese patent of existing 201420111322.9 Appropriate section mechanism, it include oscillating motor 210, connecting plate 220, location-plate 230, locking hydraulic pressure Cylinder 240, dynamic gear ring 250 and quiet gear ring 260, oscillating motor 210 and the fixing assembling of clamp body 100, Locked hydraulic cylinder 240 and the fixing assembling of clamp body 100, connecting plate 220 opposing oscillatory hydraulic cylinder 210 turns round Assembling, connecting plate 220 is ordered about revolution, connecting plate 220 and location-plate 230 by oscillating motor 210 and fixes Assembling, connecting plate 220 and the fixing assembling of dynamic gear ring 250, locked hydraulic cylinder 240 and clamp body 100 are fixed Assembling, the quiet the most movable assembling of the relative locked hydraulic cylinder of gear ring 260 240, quiet gear ring 260 is by locking hydraulic pressure Cylinder 240 orders about axial activity, and quiet gear ring 260 and dynamic gear ring 250 include abutting lockup state and departing from unblock State.
The revolution assembling of connecting plate 220 opposing oscillatory hydraulic cylinder 210, refers to that connecting plate 220 is arranged on swing liquid On the piston rod of cylinder pressure 210, and then turned round by its oscillating motor 210 ordering about geo-stationary, it is meant that As long as oscillating motor 210 drives connecting plate 220 to turn round, can drive simultaneously fix with connecting plate 220 Location-plate 230 and dynamic gear ring 250 together turn round, or even location-plate 230 and workpiece 800 the most together return Turn.Compress piston rod and the piston rod center alignment of oscillating motor 210 of hydraulic cylinder 320, horizontal in one The concentric installation of straight line.
The quiet the most movable assembling of the relative locked hydraulic cylinder of gear ring 260 240, refers to that quiet gear ring 260 is locked relatively Hydraulic cylinder 240 can be axially movable, because quiet gear ring 260 is arranged on the piston rod of locked hydraulic cylinder 240, because of This quiet gear ring 260 is ordered about axial activity by locked hydraulic cylinder 240.Between quiet gear ring 260 and dynamic gear ring 250 Abutting lockup state and depart from released state, be that it is realized by following principle: when quiet gear ring 260 It is in the released state departing from dynamic gear ring 250, say, that dynamic gear ring 250 now is rotatable;When When the piston rod of locked hydraulic cylinder 240 promotes the feeding of quiet gear ring 260 until it is connected to dynamic gear ring 250, dynamic The revolution trend of gear ring 250 is just stoped by quiet gear ring 260, defines quiet gear ring 260 to dynamic gear ring 250 Latch functions.
It is in order at equally and improves operation stability and reduce the consideration of processing vibration, the dynamic gear ring 250 of the present embodiment All install with one heart centered by oscillating motor 210 with quiet gear ring 260, and and existing The Chinese patent of 201420111322.9 is the same, and clamp body 100 is provided with the circle being evenly distributed on quiet gear ring 260 On week three locked hydraulic cylinders 240, quiet gear ring 260 simultaneously orders about effect at three locked hydraulic cylinders 240 Lower axial feed.
Specially remark additionally: oscillating motor 210, locked hydraulic cylinder 240, compress hydraulic cylinder 320 this The fixing assembling of three and clamp body 100, is fixed on clamp body 100 all referring to the cylinder body of three is static, And the piston rod of three is that its cylinder body is movable relatively.Locked hydraulic cylinder 240, compression hydraulic cylinder 320 are belonging to Straight reciprocating motion formula hydraulic cylinder, and oscillating motor 210 belongs to gyroscopic pendulum dynamic formula hydraulic cylinder, is all market Upper common hydraulic cylinder.
As shown in Fig. 4, Fig. 6, Fig. 7, compress hydraulic cylinder 320 and include that piston 321, piston rod 330 are lived Plug 321 orders about axial activity, and piston rod 330 includes piston rod convex shoulder 332, piston rod convex shoulder 332 and piston It is provided with elastic accumulator 360, elastic accumulator 360 and piston rod convex shoulder 332 between 321 and abuts assembling, bullet Property accumulator 360 and piston 321 abut assembling.Piston rod convex shoulder 332 can be considered as piston rod 330 outer wall The bulge loop set up, piston 321 is socketed on piston rod 330, and piston 321 is pushed away by elastic accumulator 360 Dynamic piston rod convex shoulder 332, elastic accumulator 360 gradually deforms under piston 321 acts on, until it reaches critical Equilibrium point starts axial advancement together with piston rod 330, the energy that elastic accumulator 360 is absorbed by with Carry out pressurize, be i.e. at the pressure put aside because of release when leakage causes hydraulic pressure to decline, fixed to compensate workpiece Pressure required for Wei, makes embodiment normally to work.
The butterfly spring that elastic accumulator 360 is the most common, but it is not limited to this, any is elastic, The device that can convert the pressure to elastic potential energy can substitute it.
As shown in Fig. 4, Fig. 6, Fig. 7, piston rod 330 includes cavity 331, link rod 340 opposing cavities 331 The most movable assembling, link rod 340 and the assembling of piston rod 330 threaded engagement.Piston rod 330 is the cylinder of hollow Shape, it is internally formed cavity 331, the most movable assembling of link rod 340 opposing cavities 331, refers to cavity 331 Static, and link rod 340 can be the most movable among cavity 331, link rod 340 and piston rod 330 screw thread are joined Attach together and join so that as long as turn link rod 340, link rod 340 can be obtained the most movable relative to piston rod 330 Effect, simple in construction and reasonable, simultaneously facilitate assembling.
As shown in Fig. 4, Fig. 5, Fig. 9, supporting arrangement 200 includes that base 270, base 270 include supporting Block 272 and stopper slot 271, rest pad 272 and workpiece abut assembling, pressing plate 310 relative limit groove 271 axle Assemble to activity.It can be seen that workpiece 800 is the supporting-point with three directions in an embodiment, point It not the location-plate 230 in left side, the pressing plate 310 on right side, and the rest pad 272 of downside, rest pad 272 It is interpreted as positioning the super positioner that the heavy weight workpiece of some large volume is set up, strengthens the essence of location Exactness.Stopper slot 271 is opened in base 270 surface, and the present embodiment is that the lower end of pressing plate 310 is assemblied in limit Position groove 271, pressing plate 310 and stopper slot 271 matched in clearance, by stopper slot 271 both sides position-limiting action, pressing plate 310 axially can only retreat in stopper slot 271, and therefore this is that pressing plate 310 relative limit groove 271 is axially lived The lexical or textual analysis of dynamic assembling.
As shown in Fig. 4, Fig. 5, Fig. 9, base 270 includes that axial slope 273, axial slope 273 refer to The inclined-plane axially gradually tilted along piston rod 330.Axial slope 273 and the fixing assembling of base 270, The most movable assembling of axial slope 273 respect thereto 270, is also the axial same direction with piston rod 330, Refer to the existing locking state being fixed together of both axial slope 273 and base 270, have again between the two The released state that can mutually axially shift.Rest pad 272 and axial slope 273 abut assembling, refer to both It is in abutting contact after mounting.So base 270 of axial slope 273 geo-stationary during released state The most movable, and then promote rest pad 272 axially inclined-plane 273 to lift, and then change rest pad 272 Relative to the height of base 270, again axial slope 273 and base 270 are interfixed after adjustment Lock together, in order to adjust workpiece 800 height, and adapt to the demand of different workpieces.
It is emphasized that the present embodiment is to use base 270 to fix, and axial slope 273 is at base 270 The structure of middle activity.Axial slope 273 can also be used static, and make base 270 the most movable, and then Promote rest pad 272 structure, but must solve like that be rest pad 272 move axially error, Therefore the axial displacement compensation device for rest pad 272 must be set up on base 270 again, to compensate Rest pad 272 move axially error, though feasible scheme, but cost height enterprise.
As shown in Figure 5, Figure 9, base 270 includes radially slideway 274, axial slideway 275 and slide block 276, Radially slideway 274 and axial slideway 275 are mutually communicated assembling, rest pad 272 relatively radially slideway 274 footpath Assembling to activity, the slide block 276 the most movable assembling of slideway 275 to axial, slide block 276 includes that slide block is joined Closing end 276a and slide block locking end 276b, axial slope 273 is positioned at slide block abutting end 276a, slide block locking End 276b includes slider locks pin (not indicating in figure) and elastic expansion hole 276c, and slider locks pin is (in figure not Indicate) and elastic expansion hole 276c include swelling lockup state and shrinkage porosite released state.
Because the present embodiment is to use base 270 to fix, then rest pad 272 is acted on phase by axial slope 273 Radially movable for static radial direction slideway 274, slider locks pin (not indicating in figure) is manually-operated. So-called swelling lockup state and shrinkage porosite released state, its purpose be provided to make slide block 276 the most movable with Just the rest pad 272 height and position relative to base 270 is adjusted, after adjustment, can be by slider locks Pin (not indicating in figure) deeply inserts elastic expansion hole 276c, struts until elastic expansion hole 276c expands, and axially The wall of slideway 275 abuts and produces friction and form lockup state, needs to change rest pad 272 height, only needs Want slider locks pin (not indicating in figure) to pull away elastic expansion hole 276c, elastic expansion hole 276c can be made to shrink, Thus release the unlocking motion of the slide block 276 that rubbed.

Claims (3)

1. indexing fixture, including clamp body (100), clamp body (100) has receiving space (900), Clamp body (100) is provided with supporting arrangement (200) and hold down gag (300), it is characterised in that:
Hold down gag (300) includes pressing plate (310), compresses hydraulic cylinder (320), piston rod (330), connection Bar (340), compresses hydraulic cylinder (320) and the fixing assembling of clamp body (100), and piston rod (330) is relative Compressing the most movable assembling of hydraulic cylinder (320), piston rod (330) is ordered about axle by compressing hydraulic cylinder (320) To activity, link rod (340) and the assembling of piston rod (330) axial restraint, link rod (340) and piston rod (330) Axially opposing roll adjustment,
Link rod (340) and the assembling of pressing plate (310) axial restraint, pressing plate (310) link rod (340) relatively Revolution assembling, has rolling ball body (350), rolling ball body (350) between link rod (340) and pressing plate (310) Abut assembling, rolling ball body (350) and pressing plate (310) with link rod (340) and abut assembling, link rod (340) Being provided with yoke plate groove (341), rolling ball body (350) assembles with yoke plate groove (341) matched in clearance, link rod (340) Being provided with link rod end face (345), link rod end face (345) has towards pressing plate (310), yoke plate groove (341) Being positioned at the circular port (347) of link rod end face (345), circular port (347) diameter is less than rolling ball body (350) Diameter, yoke plate groove (341) axial depth is more than 1/2nd of rolling ball body (350) diameter, yoke plate groove (341) axial depth is less than rolling ball body (350) diameter,
Pressing plate (310) includes pressing plate end face (312) and pressing plate groove (313), pressing plate end face (312) towards Link rod (340), pressing plate end face (312) and link rod end face (345) in being parallel to each other, pressing plate groove (313) Including being positioned at the opening (314) of pressing plate end face (312), pressing plate groove (313) includes two pressing plate groove inclined-planes (315), the axially symmetric assembling of two pressing plate groove inclined-planes (315), rolling ball body (350) and two pressing plates Groove inclined-plane (315) abuts assembling.
Indexing fixture the most according to claim 1, it is characterised in that: compress hydraulic cylinder (320) and include living Plug (321), piston rod (330) is ordered about axial activity by piston (321), and piston rod (330) includes living Stopper rod convex shoulder (332), is provided with elastic accumulator (360) between piston rod convex shoulder (332) and piston (321), Elastic accumulator (360) and piston rod convex shoulder (332) abut assembling, elastic accumulator (360) and piston (321) assembling is abutted.
Indexing fixture the most according to claim 2, it is characterised in that: elastic accumulator (360) is butterfly Spring.
CN201510043519.2A 2015-01-28 2015-01-28 Indexing fixture Active CN104551789B (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
CN201610947722.7A CN106312644A (en) 2015-01-28 2015-01-28 Indexing clamp
CN201610959766.1A CN106425606A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610757096.5A CN106239260A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610733683.0A CN106271759A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610947731.6A CN106346285A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610739807.6A CN106239259A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201510043519.2A CN104551789B (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610757196.8A CN106271762A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610956119.5A CN106425605A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610752081.XA CN106239218A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610757802.6A CN106239261A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610949470.1A CN106425604A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610947725.0A CN106425603A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610956155.1A CN106392721A (en) 2015-01-28 2015-01-28 Indexing fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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CN201610757802.6A Division CN106239261A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610757196.8A Division CN106271762A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610956119.5A Division CN106425605A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610757096.5A Division CN106239260A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610956155.1A Division CN106392721A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610739807.6A Division CN106239259A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610947731.6A Division CN106346285A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610752081.XA Division CN106239218A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610733683.0A Division CN106271759A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610947722.7A Division CN106312644A (en) 2015-01-28 2015-01-28 Indexing clamp
CN201610947725.0A Division CN106425603A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610959766.1A Division CN106425606A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610949470.1A Division CN106425604A (en) 2015-01-28 2015-01-28 Indexing fixture

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CN104551789B true CN104551789B (en) 2016-10-19

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CN201610752081.XA Withdrawn CN106239218A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610757096.5A Withdrawn CN106239260A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610956119.5A Withdrawn CN106425605A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610956155.1A Withdrawn CN106392721A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610947725.0A Withdrawn CN106425603A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610733683.0A Withdrawn CN106271759A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610959766.1A Withdrawn CN106425606A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610949470.1A Withdrawn CN106425604A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610739807.6A Withdrawn CN106239259A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610947731.6A Withdrawn CN106346285A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610947722.7A Withdrawn CN106312644A (en) 2015-01-28 2015-01-28 Indexing clamp
CN201510043519.2A Active CN104551789B (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610757802.6A Withdrawn CN106239261A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610757196.8A Withdrawn CN106271762A (en) 2015-01-28 2015-01-28 Indexing fixture

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CN201610752081.XA Withdrawn CN106239218A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610757096.5A Withdrawn CN106239260A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610956119.5A Withdrawn CN106425605A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610956155.1A Withdrawn CN106392721A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610947725.0A Withdrawn CN106425603A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610733683.0A Withdrawn CN106271759A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610959766.1A Withdrawn CN106425606A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610949470.1A Withdrawn CN106425604A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610739807.6A Withdrawn CN106239259A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610947731.6A Withdrawn CN106346285A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610947722.7A Withdrawn CN106312644A (en) 2015-01-28 2015-01-28 Indexing clamp

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CN201610757802.6A Withdrawn CN106239261A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610757196.8A Withdrawn CN106271762A (en) 2015-01-28 2015-01-28 Indexing fixture

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Publication number Publication date
CN104551789A (en) 2015-04-29
CN106312644A (en) 2017-01-11
CN106346285A (en) 2017-01-25
CN106392721A (en) 2017-02-15
CN106425604A (en) 2017-02-22
CN106271762A (en) 2017-01-04
CN106239261A (en) 2016-12-21
CN106239259A (en) 2016-12-21
CN106239218A (en) 2016-12-21
CN106271759A (en) 2017-01-04
CN106425606A (en) 2017-02-22
CN106425603A (en) 2017-02-22
CN106239260A (en) 2016-12-21
CN106425605A (en) 2017-02-22

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