CN106346311A - Indexing fixture - Google Patents

Indexing fixture Download PDF

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Publication number
CN106346311A
CN106346311A CN201610947741.XA CN201610947741A CN106346311A CN 106346311 A CN106346311 A CN 106346311A CN 201610947741 A CN201610947741 A CN 201610947741A CN 106346311 A CN106346311 A CN 106346311A
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CN
China
Prior art keywords
assembling
piston rod
link rod
rod
piston
Prior art date
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Withdrawn
Application number
CN201610947741.XA
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Chinese (zh)
Inventor
黄昌镜
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610947741.XA priority Critical patent/CN106346311A/en
Publication of CN106346311A publication Critical patent/CN106346311A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, 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
    • B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02—Indexing equipment
    • B23Q16/08—Indexing equipment having means for clamping the relatively movable parts together in the indexed position
    • B23Q16/083—Indexing equipment having means for clamping the relatively movable parts together in the indexed position with a reciprocating or oscillating drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices 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
    • B23Q3/06—Work-clamping means
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices 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
    • B23Q3/06—Work-clamping means
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, 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
    • B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02—Indexing equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, 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
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/04—Work clamping means using fluid means or a vacuum

Abstract

The invention provides an indexing fixture. After a workpiece is loaded on a supporting device, a hold-down hydraulic cylinder firstly acts to roughly hold down the workpiece, and then the workpiece is further tightly held down by means of the feed of a control linkage rod; the action of fine hold-down is to make up for a gap of acting and locating of the hold-down hydraulic cylinder and to improve the locating accuracy, thus achieving the effects of alleviating vibration and improving the machining precision during workpiece machining. Moreover, energy absorbed by an elastic energy accumulator is used for maintaining pressure; namely, when the hydraulic pressure drops due to leakage, the accumulated pressure is relieved to compensate the pressure needed to locate the workpiece, so that the indexing fixture can operate normally; and the radial force harm and the potential safety hazards due to leakage are retarded.

Description

Indexing fixture
The application is to Chinese invention patent application number: 201510043907.0, the applying date: on January 28th, 2015, name Claim: the divisional application of indexing fixture.
Technical field
The present invention relates to fixture, especially relate to the supporting fixture for processing of lathe to workpiece indexing.
Background technology
The Chinese patent of Patent No. 201420111322.9, the indexing fixture of record, including clamp body, clamp body has Receiving space, workpiece is loaded among receiving space, and clamp body is provided with supporting arrangement and hold down gag, and supporting arrangement is used for supporting Workpiece, after supporting arrangement supporting workpiece, it is applied with pressure makes to complete after Work-sheet pressing to position hold down gag.This technical scheme The defect that presently, there are is different because of workpiece, and surface irregularity, and hold down gag is because only compression hydraulic cylinder Thick pressuring action, lead to exist inessential gap error between its pressing plate and workpiece, affect machining accuracy, setting accuracy is not Foot.And because existing pressing plate turns round together with workpiece, pressing plate can apply radial force to the hold down gag being in contact with it, especially It is the piston rod that this radial force can be delivered to compression hydraulic cylinder, lead to produce radial clearance between piston rod and piston so that liquid Densification front cover produces to be revealed, pressure drop, and compression action was lost efficacy, extreme influence machining accuracy, and brought potential safety hazard.
Content of the invention
For overcoming drawbacks described above, the indexing fixture that the present invention provides, set up pressure-sizing on the basis of thick pressuring action and tightly make With reducing the inessential gap after positioning, improving setting accuracy, and automatically can be mended to pressing pressure when hydraulic pressure is revealed Repay, reduce and affect because of the radial force that revolution brings.
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 dress of clamp body Join, piston rod is pressed against hydraulic cylinder axially activity assembling, piston rod is subject to compression hydraulic cylinder to order about axial activity, link rod and piston The assembling of bar axial restraint, link rod and the axially opposing roll adjustment of piston rod, link rod and pressing plate axial direction fixing assembling, pressing plate returns relative to link rod Turn assembling, compression hydraulic cylinder includes piston, and piston rod is ordered about axial activity by piston, and piston rod includes piston rod convex shoulder, piston It is provided with elastic accumulator, elastic accumulator and piston rod convex shoulder abuts assembling, elastic accumulator and work between bar convex shoulder and piston Plug abuts assembling.
The indexing fixture being provided according to the present invention, after workpiece is loaded into supporting arrangement, compressed hydraulic cylinder action before this, right Workpiece carries out thick pressuring action, then passes through to manipulate link rod feeding again, closely compresses workpiece further, smart pressuring action is filled up The gap of compression hydraulic cylinder operating position fixing, improves setting accuracy, and then plays reduction vibrations in work pieces process, improves processing The effect of precision.The energy that elastic accumulator is absorbed simultaneously is used to pressurize, is to lead under hydraulic pressure because of leakage Discharge put aside pressure during fall, to compensate the pressure required for workpiece positioning, make indexing fixture can normal work, delay because letting out Reveal the radial force harm leading to and potential safety hazard.
With reference to embodiment and accompanying drawing, the present invention is described in further detail.
Brief description
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 the a-a of Fig. 4 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 second assembling structure.
Fig. 9 is the structure chart of the base 270 of indexing fixture embodiment.
Specific embodiment
According to Fig. 1 to Fig. 4, shown in Fig. 6 to Fig. 8, the indexing fixture embodiment of the present invention, including clamp body 100, clamp body 100 have receiving space 900, and clamp body 100 is provided with supporting arrangement 200 and hold down gag 300, and hold down gag 300 includes pressing plate 310th, compression hydraulic cylinder 320, piston rod 330, link rod 340, compression hydraulic cylinder 320 and clamp body 100 fixing assembling, piston rod 330 are pressed against hydraulic cylinder 320 axially activity assembling, and piston rod 330 is subject to compression hydraulic cylinder 320 to order about axial activity, link rod 340 With the assembling of piston rod 330 axial restraint, link rod 340 and the axially opposing roll adjustment of piston rod 330, link rod 340 and pressing plate 310 axially solid Fixed assembling, pressing plate 310 link rod 340 revolution assembling relatively, compression hydraulic cylinder 320 includes piston 321, and piston rod 330 is by piston 321 Order about axial activity, piston rod 330 includes piston rod convex shoulder 332, between piston rod convex shoulder 332 and piston 321, be provided with elasticity storage Can device 360, elastic accumulator 360 and piston rod convex shoulder 332 abuts assembling, elastic accumulator 360 and piston 321 abuts assembling.
Receiving space 900 is the space for loading workpiece 800, and workpiece 800 is loaded into receiving from the top of clamp body 100 In space 900.
Piston rod 330 is pressed against hydraulic cylinder 320 axially activity assembling, and piston rod 330 is the piston of compression hydraulic cylinder 320 Bar, because compression hydraulic cylinder 320 is fixedly mounted at clamp body 100, piston rod 330 is with regard to the compression hydraulic cylinder of geo-stationary 320 axially activities, therefore piston rod 330 be pressed against hydraulic cylinder 320 axially activity assembling to be construed as piston rod 330 permissible It is pressed against hydraulic cylinder 320 axially activity, and it is ordered about by compression hydraulic cylinder 320.
Link rod 340 and the assembling of piston rod 330 axial restraint, link rod 340 and the axially opposing roll adjustment of piston rod 330, refer to join It is can that both bar 340 and piston rod 330 have axial interaction relation to have axially opposing shifted relationship, link rod 340 and piston rod 330 again To be ordered about the axially common interaction relation retreated by compression hydraulic cylinder 320, link rod 340 again can independent opposing pistons bar simultaneously 330 axially retreat, and are consequently formed both axially opposing roll adjustments, the linkage of link rod 340 and piston rod 330 is so-called to work Part slightly compression action, and the independent roll adjustment of link rod 340 opposing pistons bar 330 is so-called to workpiece essence pressuring action.
Link rod 340 and the assembling of pressing plate 310 axial restraint, pressing plate 310 link rod 340 revolution assembling relatively, refer to link rod 340 He Both pressing plates 310 have interaction relation to have relative revolution relation, link rod 340 and pressing plate 310 can also be driven by compression hydraulic cylinder 320 again Make the axially common interaction relation retreated, pressing plate 310 can individually turn round relative to link rod 340 again simultaneously.
Piston rod convex shoulder 332 can be considered as the bulge loop that piston rod 330 outer wall is set up, and piston 321 is socketed in piston rod 330 On, piston 321 by elastic accumulator 360 promote piston rod convex shoulder 332, elastic accumulator 360 piston 321 effect under gradually Deformation, until it reaches critical equilibrium point starts axial advancement together with piston rod 330, when hydraulic pressure is revealed, elastic accumulator 360 The energy being absorbed is used to pressurize, is to lead to hydraulic pressure to stretch when declining because of leakage, to discharge put aside pressure Power, compensates the pressure required for workpiece positioning, makes the embodiment can normal work.
The preferably common butterfly spring of elastic accumulator 360, but be not limited to this, any is elastic, can be by The device that pressure is converted into elastic potential energy can substitute it.
As shown in Fig. 4, Fig. 6, Fig. 7, pressing plate 310 link rod 340 rolling friction assembling relatively.Refer to relative between both Displacement Contact is completely converted into rolling friction, specifically, is pressing plate 310 phase when pressing plate 310 turns round together with workpiece 800 A little radial displacement to link rod 340, reduces the footpath that pressing plate 310 puts on link rod 340 by rolling friction each other To power negative effect, keep the axial concentricity of link rod 340, and then improve machining accuracy.Especially, it should be noted that, link rod Only have rolling friction to contact between 340 with pressing plate 310, in addition there is no other contact site between the two.
There is between the link rod 340 of the present embodiment and pressing plate 310 rolling ball body 350, rolling ball body 350 and link rod 340 support Tipping is joined, rolling ball body 350 and pressing plate 310 abuts assembling.
It may be said that rolling ball body 350 is exactly a ball ball, preferably rolling ball body 350 is easy to dismount and keeps in repair, favorably In reduces cost.But the abutting relation between link rod 340 and pressing plate 310 should not be defined to rolling ball body 350, because only Both rolling friction can be realized.
Link rod 340 is provided with yoke plate groove 341, rolling ball body 350 and the cooperation assembling of yoke plate groove 341 gap.Yoke plate groove 341 is that have Beneficial to a kind of structure of dismounting maintenance, certainly also can be replaced using other mechanism.Such as, as shown in figure 8, can be in link rod 340 set up a lateral pin 349, lateral pin 349 two ends and link rod 340 phase fixing assembling, and rolling ball body 350 is provided with a through hole 355, lateral pin 349 is passed through the through hole 355 of this rolling ball body 350, rolling ball body 350 can rotate relative to lateral pin 349, complete to roll Spheroid 350 and the assembling of link rod 340, simply compare yoke plate groove 341 and cost can be greatly improved, and dismount maintenance cost pole High.
Link rod 340 is sequentially provided with abutting end 342, thread segment 343 and control end 344, abutting end 342 towards pressing plate 310, Thread segment 343 and the cooperation assembling of piston rod 330 screw thread, control end 344 towards cavity 331, assemble by cavity 331 and extraneous insertion, 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, and lasso 311 is relatively Link rod 340 socket assembling, lasso 311 and pressing plate 310 fixing assembling, lasso 311 and the assembling of packing ring 346 axial restraint, yoke plate groove 341 have the circular port 347 positioned at link rod end face 345, and 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, control End 344 processed includes yi word pattern groove 348 or cross type groove, and yi word pattern groove or cross groove face are to cavity 331.
It is to be axially disengaging link rod that the size of the structure of yoke plate groove 341 and rolling ball body 350 determines rolling ball body 350 340 permanent assembly relation.Link rod 340 two ends are respectively set to the abutting end 342 with pressing plate 310 cooperation, and are grasped by workman The control end 344 made, thread segment 343 setting external screw thread and the cooperation of piston rod 330 screw thread, pressing plate 310 and link rod 340 pass through respectively The lasso 311 of setting and packing ring 346 complete axial restraint, can intervene cavity 331 with operation instrument such as screwdriver etc. from the external world, The yi word pattern groove 348 at operational control end 344 or cross type groove are facilitating turn link rod 340 so as to can be relative with piston rod 330 Roll adjustment.
As shown in Fig. 4, Fig. 6, Fig. 7, piston rod 330 includes cavity 331, link rod 340 opposing cavities 331 axially activity dress Join, link rod 340 and the cooperation of piston rod 330 screw thread are assembled.Piston rod 330 is the tubular of hollow, and it is internally formed cavity 331, connection Bar 340 opposing cavities 331 axially activity assembling, refers to that cavity 331 is static, and link rod 340 axially can be lived among cavity 331 Dynamic, as long as link rod 340 and the cooperation assembling of piston rod 330 screw thread are so that turn link rod 340, you can obtain link rod 340 with respect to work The axially movable effect of stopper rod 330, structure is simple and reasonable, simultaneously facilitates assembling.
As shown in figure 4, supporting arrangement 200 also refers to the corresponding portion in existing 201420111322.9 Chinese patent Sub-agencies, it includes oscillating motor 210, connecting plate 220, location-plate 230, locked hydraulic cylinder 240, dynamic gear ring 250 and quiet Gear ring 260, oscillating motor 210 and clamp body 100 fixing assembling, locked hydraulic cylinder 240 and clamp body 100 fixing assembling, even Fishplate bar 220 opposing oscillatory hydraulic cylinder 210 revolution assembling, connecting plate 220 is ordered about revolution, connecting plate 220 He by oscillating motor 210 The fixing dress of location-plate 230 fixing assembling, connecting plate 220 and dynamic gear ring 250 fixing assembling, locked hydraulic cylinder 240 and clamp body 100 Join, the locked hydraulic cylinder 240 axially activity assembling relatively of quiet gear ring 260, quiet gear ring 260 is ordered about axial work by locked hydraulic cylinder 240 Move, quiet gear ring 260 and dynamic gear ring 250 include abutting lockup state and depart from released state.
Connecting plate 220 opposing oscillatory hydraulic cylinder 210 revolution assembling, refers to that connecting plate 220 is arranged on oscillating motor 210 On piston rod, as long as and then ordered about by it geo-stationary oscillating motor 210 turn round it is meant that oscillating motor 210 drive Connecting plate 220 turns round, you can the location-plate 230 being mutually fixed together and dynamic gear ring 250 turn round with connecting plate 220 for drive simultaneously, Or even location-plate 230 and workpiece 800 also together turn round.The compression piston rod of hydraulic cylinder 320 and the piston rod of oscillating motor 210 Center alignment, in the concentric installation of a horizontal straight line.
The locked hydraulic cylinder 240 axially activity assembling relatively of quiet gear ring 260, refers to quiet gear ring 260 locked hydraulic cylinder 240 relatively Can be axially movable, because quiet gear ring 260 is arranged on the piston rod of locked hydraulic cylinder 240, therefore quiet gear ring 260 is subject to locked hydraulic cylinder 240 order about axial activity.Abutting lockup state between quiet gear ring 260 and dynamic gear ring 250 and depart from released state, be its be logical Cross what following principles were realized: when quiet gear ring 260 is in the released state departing from dynamic gear ring 250 that is to say, that dynamic gear ring now 250 is rotatable；When the piston rod of locked hydraulic cylinder 240 promotes quiet gear ring 260 feeding until it is connected to dynamic gear ring 250 When, the revolution trend of dynamic gear ring 250 is just stoped by quiet gear ring 260, defines the latch functions to dynamic gear ring 250 for the quiet gear ring 260.
Equally it is in order at the consideration improving operation stability and reducing processing vibration, the dynamic gear ring 250 of the present embodiment and quiet Gear ring 260 is all installed centered on oscillating motor 210 with one heart, and the Chinese patent with existing 201420111322.9 Equally, clamp body 100 be provided with the circumference being evenly distributed on quiet gear ring 260 three locked hydraulic cylinders 240, quiet gear ring 260 Order about axial feed under effect in three locked hydraulic cylinders 240 simultaneously.
Specially supplementary notes: oscillating motor 210, locked hydraulic cylinder 240, compression this three of hydraulic cylinder 320 and folder Concrete 100 fixing assembling, all referring to three cylinder body static be fixed on clamp body 100, and the piston rod of three is relatively Its cylinder body activity.Locked hydraulic cylinder 240, compression hydraulic cylinder 320 are belonging to straight reciprocating motion formula hydraulic cylinder, and swing hydraulic pressure Cylinder 210 belongs to gyroscopic pendulum dynamic formula hydraulic cylinder, is all common hydraulic cylinder on market.
As shown in Fig. 4, Fig. 5, Fig. 9, supporting arrangement 200 includes base 270, and base 270 includes stopper slot 271, rest pad 272 and axial slope 273, rest pad 272 and workpiece abuts assembling, pressing plate 310 relative limit groove 271 axially activity assembling, Axial slope 273 and base 270 fixing assembling, axial slope 273 respect thereto 270 axially activity assembling, rest pad 272 is relatively The radially movable assembling of base 270, rest pad 272 and axial slope 273 abuts assembling.
As can be seen that workpiece 800 is the supporting-point with three directions in an embodiment, it is the location-plate in left side respectively 230, the pressing plate 310 on right side, and the rest pad 272 of downside, rest pad 272 is interpreted as positioning the big weight of some large volumes The super positioner set up of workpiece, strengthen the degree of accuracy of positioning.Stopper slot 271 is opened in base 270 surface, the present embodiment It is that the lower end of pressing plate 310 is assemblied in stopper slot 271, pressing plate 310 and the cooperation of stopper slot 271 gap, spacing by stopper slot 271 both sides Effect, pressing plate 310 axially can only be retreated in stopper slot 271, and therefore this is pressing plate 310 relative limit groove 271 axially activity The lexical or textual analysis of assembling.Axial slope 273 refers to the inclined-plane that the axial direction along piston rod 330 gradually tilts.Axial slope 273 and base 270 fixing assemblings, axial slope 273 respect thereto 270 axially activity assembling, 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 and can mutually axially move between the two The released state of position.Rest pad 272 and axial slope 273 abuts assembling, refer to that both are in abutting contact after mounting.So The base 270 axially activity of axial slope 273 geo-stationary during released state, and then promote rest pad 272 axially oblique Face 273 lifts, and then changes the height that rest pad 272 is with respect to base 270, adjusts after finishing again by axial slope 273 and bottom Seat 270 lockings fixed with each other, so that adjustment workpiece 800 height, and the demand adapting to different workpieces.
It is emphasized that the present embodiment is fixing using base 270, and axial slope 273 activity in base 270 Structure.Can also be static using axial slope 273, and make base 270 axially activity, and then promote the structure of rest pad 272, but It is that must solve like that is the axial movement error of rest pad 272 it is therefore necessary to set up for rest pad on base 270 again 272 axial displacement compensation device, to compensate the axial movement error of rest pad 272, though feasible scheme, cost Gao Qi.
As shown in Figure 5, Figure 9, base 270 includes radial direction slideway 274, axial slideway 275 and slide block 276, radial direction slideway 274 are mutually communicated assembling with axial slideway 275, the rest pad 272 relatively radially radially movable assembling of slideway 274, and slide block 276 is relatively Axial slideway 275 axially activity assembling, slide block 276 includes slide block abutting end 276a and slide block locking end 276b, axial slope 273 Positioned at slide block abutting end 276a, slide block locking end 276b includes slider locks pin (in figure does not indicate) and elastic expansion hole 276c, sliding Block stop pin (in figure does not indicate) and elastic expansion hole 276c include swelling lockup state and shrinkage porosite released state.
Because the present embodiment is fixing using base 270, then rest pad 272 is acted on respect to static by axial slope 273 Radial direction slideway 274 radially movable, slider locks pin (in figure does not indicate) is manually-operated.So-called swelling lockup state and Shrinkage porosite released state, its purpose is provided to make slide block 276 axially movable so that adjustment rest pad 272 is with respect to base 270 Slider locks pin (in figure does not indicate), after adjustment finishes, can be inserted elastic expansion hole 276c by height and position deeply, until elastic expansion Hole 276c expands and struts, and abuts generation friction with the wall of axial slideway 275 and forms lockup state, needs to change rest pad 272 Height is it is only necessary to slider locks pin (in figure does not indicate) pulls away elastic expansion hole 276c, you can so that elastic expansion hole 276c is shunk, thus Release the unlocking motion that friction completes slide block 276.

Claims (2)

1. indexing fixture, including clamp body (100), clamp body (100) has receiving space (900), and clamp body (100) is provided with and props up Bearing apparatus (200) and hold down gag (300) it is characterised in that:
Hold down gag (300) includes pressing plate (310), compression hydraulic cylinder (320), piston rod (330), link rod (340), compresses hydraulic pressure Cylinder (320) and clamp body (100) fixing assembling, piston rod (330) is pressed against hydraulic cylinder (320) axially activity assembling, piston Bar (330) is subject to compression hydraulic cylinder (320) to order about axial activity, link rod (340) and the assembling of piston rod (330) axial restraint, link rod (340) and the axially opposing roll adjustment of piston rod (330),
Link rod (340) and the assembling of pressing plate (310) axial restraint, pressing plate (310) link rod (340) revolution assembling relatively, compress hydraulic pressure Cylinder (320) includes piston (321), and piston rod (330) is ordered about axial activity by piston (321), and piston rod (330) includes piston 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) abuts assembling, elastic accumulator (360) and piston (321) abuts assembling,
Piston rod (330) includes cavity (331), link rod (340) opposing cavities (331) axially activity assembling, link rod (340) and living The cooperation assembling of stopper rod (330) screw thread,
Pressing plate (310) link rod (340) rolling friction relatively is assembled,
There is between link rod (340) and pressing plate (310) rolling ball body (350), rolling ball body (350) and link rod (340) abut dress Join, rolling ball body (350) and pressing plate (310) abuts assembling,
Link rod (340) includes lateral pin (349), lateral pin (349) two ends and link rod (340) phase fixing assembling, and rolling ball body (350) wraps Include through hole (355), lateral pin (349) passes through through hole (355), rolling ball body (350) can relative lateral pin (349) rolling assembling.
2. indexing fixture according to claim 1 it is characterised in that: piston rod convex shoulder (332) is set up for piston rod (330) outer wall Bulge loop.
CN201610947741.XA 2015-01-28 2015-01-28 Indexing fixture Withdrawn CN106346311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610947741.XA CN106346311A (en) 2015-01-28 2015-01-28 Indexing fixture

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510043907.0A CN104625871B (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610947741.XA CN106346311A (en) 2015-01-28 2015-01-28 Indexing fixture

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Application Number Title Priority Date Filing Date
CN201610960108.4A Withdrawn CN106378664A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610950737.9A Withdrawn CN106312686A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201510043907.0A Active CN104625871B (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610947741.XA Withdrawn CN106346311A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610710842.5A Withdrawn CN106217091A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610955596.XA Withdrawn CN106363441A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610969205.XA Withdrawn CN106425683A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610707496.5A Pending CN106181573A (en) 2015-01-28 2015-01-28 Indexing fixture

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CN201610960108.4A Withdrawn CN106378664A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610950737.9A Withdrawn CN106312686A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201510043907.0A Active CN104625871B (en) 2015-01-28 2015-01-28 Indexing fixture

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CN201610710842.5A Withdrawn CN106217091A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610955596.XA Withdrawn CN106363441A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610969205.XA Withdrawn CN106425683A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610707496.5A Pending CN106181573A (en) 2015-01-28 2015-01-28 Indexing fixture

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CN104972329B (en) * 2015-07-13 2017-04-05 常州信息职业技术学院 Can quick-replaceable workpiece and indexing hydraulic indexing clamping device faster
CN105364492A (en) * 2015-11-17 2016-03-02 盐城苏工高科机械有限公司 Vertical type turning-milling-grinding flexible machining unit
TWI587969B (en) * 2016-10-12 2017-06-21 Direct drive indexing plate seepage control structure
CN106312562A (en) * 2016-10-13 2017-01-11 宁波高新区敦和科技有限公司 Universal joint pin machining device
CN108723892B (en) * 2017-04-17 2020-06-09 上海瑞麒美贸易有限公司 Indexing chuck
CN108581010A (en) * 2018-04-12 2018-09-28 李宁 A kind of letter box arrangement
CN108555369A (en) * 2018-04-12 2018-09-21 秦歌 A kind of bridge maintaining equipment
CN109396949A (en) * 2018-12-05 2019-03-01 宁波迈途机械科技有限公司 A kind of housing structure of index chuck

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CN104625871A (en) 2015-05-20
CN106217091A (en) 2016-12-14
CN104625871B (en) 2017-01-04
CN106363441A (en) 2017-02-01
CN106425683A (en) 2017-02-22
CN106378664A (en) 2017-02-08
CN106181573A (en) 2016-12-07
CN106312686A (en) 2017-01-11

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