CN106312644A - Indexing clamp - Google Patents

Indexing clamp Download PDF

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Publication number
CN106312644A
CN106312644A CN201610947722.7A CN201610947722A CN106312644A CN 106312644 A CN106312644 A CN 106312644A CN 201610947722 A CN201610947722 A CN 201610947722A CN 106312644 A CN106312644 A CN 106312644A
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CN
China
Prior art keywords
pressing plate
link rod
assembling
rolling ball
face
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
CN201610947722.7A
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Chinese (zh)
Inventor
潘茜茜
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610947722.7A priority Critical patent/CN106312644A/en
Publication of CN106312644A publication Critical patent/CN106312644A/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Withdrawn legal-status Critical Current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
    • B23Q16/10—Rotary indexing
    • B23Q16/102—Rotary indexing with a continuous 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
    • 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
    • B23Q16/10—Rotary indexing
    • 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
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/04—Work clamping means using fluid means or a vacuum

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating Pumps (AREA)
  • Jigs For Machine Tools (AREA)
  • Fluid-Damping Devices (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention discloses an indexing clamp. The workpiece is loaded behind a support device; firstly, a rough pressing effect is carried out on the workpiece through action of a pressing hydraulic cylinder; then a connection rod is operated to feed and further tightly press the workpiece; a fine pressing effect fills gap positioned by the action of the pressing hydraulic cylinder; the positioning accuracy is improved, so that the effects of reducing vibration and improving processing accuracy when processing the workpiece are achieved; a rolling ball is held between a connection plate groove and a pressing plate groove and is in rolling friction with the connection plate groove and the pressing plate groove; the connection plate groove and the pressing plate groove have effects of positioning the rolling ball; when a pressing plate rotates together with the workpiece; the pressing plate generates slight radial displacement relative to the connection rod; through the rolling friction between the pressing plate and the connection rod, the negative effect of radial force applied to the connection rod of the pressing plate is reduced; the axial concentricity of the connection rod is retained, so that the processing accuracy is improved.

Description

Indexing fixture
The application is to Chinese invention number of patent application: 201510043519.2, 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 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, clamp body has Accommodating 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, it, after supporting arrangement supporting workpiece, is applied to complete location after pressure makes Work-sheet pressing by 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 compressing hydraulic cylinder Thick pressuring action, cause existing between its pressing plate and workpiece inessential gap error, affect machining accuracy, setting accuracy is not Foot.And owing to existing pressing plate turns round together with workpiece, the pressing plate hold down gag to being in contact with it can apply radial force, especially It is this radial force piston rod that can be delivered to compress hydraulic cylinder, causes compression action to be lost efficacy, extreme influence machining accuracy, and bringing 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 pressure-sizing tightly make With, reduce the inessential gap behind location, improve setting accuracy, and the radial force impact brought because of revolution can be reduced.
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 Joining, piston rod is pressed against hydraulic cylinder axially movable assembling, and piston rod is ordered about axial activity, link rod and piston by compressing hydraulic cylinder Bar axial restraint assembles, link rod and the axially opposing roll adjustment of piston rod, and link rod and the assembling of pressing plate axial restraint, pressing plate returns relative to link rod Turn assembling, there is between link rod and pressing plate rolling ball body, rolling ball body and link rod and abut assembling, rolling ball body and pressing plate abutting dress Joining, link rod is provided with yoke plate groove, and rolling ball body assembles with yoke plate groove matched in clearance, 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, yoke plate groove axial depth More than 1/2nd of rolling ball body diameter, yoke plate groove axial depth be less than rolling ball body diameter, pressing plate include pressing plate end face and Pressing plate groove, pressing plate end face is towards link rod, pressing plate end face and link rod end face in being parallel to each other, and pressing plate groove includes being positioned at pressing plate end face Opening, pressing plate groove includes two pressing plate groove inclined-planes, two axially symmetric assemblings in pressing plate groove inclined-plane, rolling ball body and two pressing plate grooves Inclined-plane abuts assembling.
The indexing fixture 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, the most again by handling link rod feeding, is closely compressed by workpiece further, and essence pressuring action is filled up Compress the gap of hydraulic cylinder operating position fixing, improve setting accuracy, and then play reduction vibrations when work pieces process, improve processing The effect of precision.Rolling ball body is accommodated between yoke plate groove and pressing plate groove, and simultaneously with both rolling friction, and both are the most right It has locating effect, and when pressing plate turns round together with workpiece, pressing plate is relative to a little radial displacement of link rod, by each other Rolling friction reduces pressing plate and puts on the radial force negative effect of link rod, keeps the axial concentricity of link rod, and then raising adds Work 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 the A-A direction view of Fig. 4.
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 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 310, compress hydraulic cylinder 320, piston rod 330, link rod 340, compress hydraulic cylinder 320 and the fixing assembling of clamp body 100, piston rod 330 are pressed against the most movable assembling of hydraulic cylinder 320, and piston rod 330 is ordered about axial activity, link rod 340 by compressing hydraulic cylinder 320 Assembling with 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 are axially solid Fixed assembling, the revolution assembling of pressing plate 310 relative link rod 340, there is between link rod 340 and pressing plate 310 rolling ball body 350, roller ball Body 350 and link rod 340 abut assembling, rolling ball body 350 and pressing plate 310 and abut assembling, and link rod 340 is provided with yoke plate groove 341, roll Spheroid 350 assembles with yoke plate groove 341 matched in clearance, and link rod 340 is provided with link rod end face 345, link rod end face 345 towards pressing plate 310, Yoke plate groove 341 has the circular port 347 being 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 straight less than rolling ball body 350 Footpath, pressing plate 310 includes pressing plate end face 312 and pressing plate groove 313, and pressing plate end face 312 is towards link rod 340, pressing plate end face 312 and link rod End face 345 is in being parallel to each other, and pressing plate groove 313 includes the opening 314 being positioned at pressing plate end face 312, and pressing plate groove 313 includes two pressing plates Groove inclined-plane 315, two axially symmetric assemblings in pressing plate groove inclined-plane 315, rolling ball body 350 and two pressing plate groove inclined-planes 315 abut dress Join.
Accommodating 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 the most movable assembling of hydraulic cylinder 320, and piston rod 330 is the piston compressing hydraulic cylinder 320 Bar, is fixedly mounted at clamp body 100 owing to compressing hydraulic cylinder 320, and piston rod 330 is with regard to the compression hydraulic cylinder of geo-stationary 320 is axially movable, and therefore piston rod 330 is pressed against the most movable assembling of hydraulic cylinder 320 to be construed as piston rod 330 permissible It is pressed against hydraulic cylinder 320 the most movable, and it is 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 roll adjustment of piston rod 330, refer to connection Both bar 340 and piston rod 330 have axial interaction relation to have again axially opposing shifted relationship, link rod 340 and piston rod 330 to be can To be ordered about the axially common interaction relation retreated by compressing 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, and the linkage of link rod 340 and piston rod 330 is i.e. so-called to work Part slightly compresses action, and the independent roll adjustment of link rod 340 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, refer to link rod 340 He Both pressing plates 310 have interaction relation to have again relative revolution relation, link rod 340 and pressing plate 310 can also be driven by compressing hydraulic cylinder 320 Making the most common interaction relation retreated, pressing plate 310 can individually turn round relative to link rod 340 again simultaneously.
As shown in Fig. 4, Fig. 6, Fig. 7, relative link rod 340 rolling friction of pressing plate 310 is assembled.Refer between both is relative Displacement Contact is completely converted into rolling friction, specifically, is when pressing plate 310 turns round together with workpiece 800, pressing plate 310 phase A little radial displacement to link rod 340, reduces pressing plate 310 by rolling friction each other and puts on the footpath of link rod 340 Negatively affect to power, keep the axial concentricity of link rod 340, and then improve machining accuracy.Especially, it should be noted that, link rod Between 340 with pressing plate 310, only rolling friction contacts, and 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 is towards pressing plate 310, and yoke plate groove 341 has and is positioned at stub end The circular port 347 in face 345, circular port 347 diameter is less than rolling ball body 350 diameter, and yoke plate groove 341 axial depth is more than roller ball / 2nd of body 350 diameter, yoke plate groove 341 axial depth is less than rolling ball body 350 diameter, and 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 includes the opening 314 being positioned at pressing plate end face 312, and pressing plate groove 313 includes two pressing plate groove inclined-planes 315, and two pressing plate grooves are oblique The axially symmetric assembling in face 315, rolling ball body 350 and two pressing plate groove inclined-planes 315 abut assembling.
Between link rod 340 and the pressing plate 310 of the present embodiment, there is rolling ball body 350, rolling ball body 350 and link rod 340 to support Tipping is joined, and rolling ball body 350 and pressing plate 310 abut assembling.
It is prone to dismounting and maintenance, favorably it may be said that rolling ball body 350 is exactly a ball ball, preferably rolling ball body 350 In reducing cost.But the abutting relation between link rod 340 and pressing plate 310 should be defined to rolling ball body 350, because only Want to 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 to have It is beneficial to a kind of structure of dismounting maintenance, is certainly used as other mechanism and is replaced.Such as, as shown in Figure 8, can be at link rod 340 set up a lateral pin 349, and lateral pin 349 two ends and link rod 340 fix assembling, and rolling ball body 350 is provided with a through hole 355, lateral pin 349 is passed the through hole 355 of this rolling ball body 350, rolling ball body 350 can rotate relative to lateral pin 349, completes to roll Spheroid 350 and the assembling of link rod 340, simply compare yoke plate groove 341 like that and cost, and dismounting maintenance cost pole can be greatly improved High.
It is to be axially disengaging link rod that the structure of yoke plate groove 341 and the size of rolling ball body 350 determine rolling ball body 350 The permanent assembly relation of 340, the structure of pressing plate groove 313, when pressing plate 310 and link rod 340 coordinate, can make rolling ball body 350 accommodate Wherein, rolling ball body 350 is made to be clipped in all the time between the yoke plate groove 341 of both sides and pressing plate groove 313 to play stable rolling resistor Outstanding effect.
Link rod 340 is sequentially provided with abutting end 342, thread segment 343 and controls end 344, thread segment 343 and piston rod 330 Threaded engagement is assembled, and control end 344 is towards cavity 331, and 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, 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 and the assembling of packing ring 346 axial restraint, control end 344 include yi word pattern groove 348 or Cross groove, yi word pattern groove or cross groove face are to cavity 331.
Link rod 340 two ends are respectively set to the abutting end 342 coordinated with pressing plate 310, and the control end by operative 344, thread segment 343 arranges external screw thread and piston rod 330 threaded engagement, pressing plate 310 and link rod 340 by the lasso being respectively provided with 311 and packing ring 346 complete axial restraint, cavity 331, operation control end can be got involved with operation instrument such as screwdriver etc. from the external world Yi word pattern groove 348 or the cross groove of 344 facilitate turn link rod 340 so that it is can roll adjustment relative with piston rod 330.
As shown in Figure 4, the corresponding portion during supporting arrangement 200 also refers to the Chinese patent of existing 201420111322.9 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 the fixing assembling of clamp body 100, locked hydraulic cylinder 240 and the fixing assembling of clamp body 100, even The revolution assembling of fishplate bar 220 opposing oscillatory hydraulic cylinder 210, connecting plate 220 is ordered about revolution, connecting plate 220 He by oscillating motor 210 The fixing assembling of location-plate 230, connecting plate 220 and the fixing assembling of dynamic gear ring 250, locked hydraulic cylinder 240 and the fixing dress of clamp body 100 Joining, the quiet the most movable assembling of the relative locked hydraulic cylinder of gear ring 260 240, quiet gear ring 260 is ordered about by locked hydraulic cylinder 240 and axially lives Dynamic, quiet gear ring 260 and dynamic gear ring 250 include abutting lockup state and departing from released state.
The revolution assembling of connecting plate 220 opposing oscillatory hydraulic cylinder 210, refers to that connecting plate 220 is arranged on oscillating motor 210 On piston rod, 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 turns round, and the location-plate 230 together with fixing with connecting plate 220 and dynamic gear ring 250 can be driven to turn round simultaneously, Or even location-plate 230 and workpiece 800 the most together turn round.Compress piston rod and the piston rod of oscillating motor 210 of hydraulic cylinder 320 Center alignment, the concentric installation in a horizontal straight line.
The quiet the most movable assembling of the relative locked hydraulic cylinder of gear ring 260 240, refers to the quiet relative locked hydraulic cylinder 240 of gear ring 260 Can be axially movable, because quiet gear ring 260 is arranged on the piston rod of locked hydraulic cylinder 240, the most quiet gear ring 260 is by 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 principle realized: when quiet gear ring 260 is in the released state of the dynamic gear ring 250 of disengaging, say, that dynamic gear ring now 250 is rotatable；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 Time, the revolution trend of dynamic gear ring 250 is just stoped by quiet gear ring 260, defines the quiet gear ring 260 latch functions to dynamic gear ring 250.
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 and quiet Gear ring 260 is all installed centered by oscillating motor 210 with one heart, and and the Chinese patent of existing 201420111322.9 Equally, three locked hydraulic cylinders 240 of what clamp body 100 was provided with on the circumference being evenly distributed on quiet gear ring 260, quiet gear ring 260 Order about axial feed under effect at three locked hydraulic cylinders 240 simultaneously.
Specially remark additionally: oscillating motor 210, locked hydraulic cylinder 240, compression this three of hydraulic cylinder 320 and folder The fixing assembling of concrete 100, is fixed on clamp body 100 all referring to the cylinder body of three is static, and the piston rod of three is relative 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 hydraulic cylinder common on market.
As shown in Fig. 4, Fig. 6, Fig. 7, compress hydraulic cylinder 320 and include that piston 321, piston rod 330 are ordered about axially by piston 321 Activity, 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 abut assembling, elastic accumulator 360 and piston 321 and abut assembling.Piston rod is convex Shoulder 332 can be considered as the bulge loop that piston rod 330 outer wall is set up, and piston 321 is socketed on piston rod 330, and piston 321 is by elasticity Accumulator 360 promotes piston rod convex shoulder 332, and elastic accumulator 360 gradually deforms under piston 321 acts on, until it reaches critical Equilibrium point starts axial advancement together with piston rod 330, and the energy that elastic accumulator 360 is absorbed is used to pressurize, is i.e. Because discharging, when revealing and cause hydraulic pressure to decline, the pressure put aside, to compensate the pressure required for workpiece location, make enforcement Example can normally work.
The butterfly spring that elastic accumulator 360 is the most common, but be not limited to this, any is elastic, can be by Pressure is converted into the device of elastic potential energy can substitute it.
As shown in Fig. 4, Fig. 6, Fig. 7, piston rod 330 includes cavity 331, the most movable dress of link rod 340 opposing cavities 331 Join, link rod 340 and the assembling of piston rod 330 threaded engagement.Piston rod 330 is the tubular of hollow, and it is internally formed cavity 331, connection The most movable assembling of bar 340 opposing cavities 331, refers to that cavity 331 is static, and link rod 340 axially can be lived among cavity 331 Dynamic, link rod 340 and the assembling of piston rod 330 threaded engagement so that as long as turn link rod 340, link rod 340 can be obtained relative to work The effect that stopper rod 330 is the most movable, 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 rest pad 272 and stopper slot 271, rest pad 272 and workpiece abut assembling, the most movable assembling of pressing plate 310 relative limit groove 271.It can be seen that workpiece 800 It is the supporting-point with three directions in an embodiment, is the location-plate 230 in left side respectively, the pressing plate 310 on right side, and under The rest pad 272 of side, rest pad 272 is interpreted as positioning the overdetermination position dress that the heavy weight workpiece of some large volume is set up Put, strengthen the degree of accuracy of location.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 Stopper slot 271, pressing plate 310 and stopper slot 271 matched in clearance, by stopper slot 271 both sides position-limiting action, pressing plate 310 can only be in limit Axially retreating in the groove 271 of position, therefore this is the lexical or textual analysis of the most movable assembling of pressing plate 310 relative limit groove 271.
As shown in Fig. 4, Fig. 5, Fig. 9, base 270 includes that axial slope 273, axial slope 273 refer to along piston rod 330 The inclined-plane axially gradually tilted.Axial slope 273 and the fixing assembling of base 270, axial slope 273 respect thereto 270 is axial Movable assembling, is also the axial same direction with piston rod 330, refers to that both axial slope 273 and base 270 are existing and be fixed on Locking state together, has again the released state that can mutually axially shift between the two.Rest pad 272 and axial slope 273 are supported Tipping is joined, and refers to that both are in abutting contact after mounting.So base of axial slope 273 geo-stationary during released state 270 is the most movable, and then promotes rest pad 272 axially inclined-plane 273 to lift, and then changes rest pad 272 relative to base The height of 270, again by axial slope 273 and base 270 locking fixed with each other after adjustment, 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 activity in base 270 Structure.Axial slope 273 can also be used static, and make base 270 the most movable, and then promote the structure of rest pad 272, but Be must solve like that be rest pad 272 move axially error, it is therefore necessary to set up again for rest pad on base 270 The axial displacement compensation device of 272, moves axially error with compensate rest pad 272, though feasible scheme, cost Gao Qi.
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 be mutually communicated assembling, the rest pad 272 relatively radially radially movable assembling of slideway 274, slide block 276 is relative The axially the most movable assembling of slideway 275, slide block 276 includes slide block abutting end 276a and slide block locking end 276b, axial slope 273 It is positioned at slide block abutting end 276a, slide block locking end 276b and includes slider locks pin (not indicating in figure) and elastic expansion hole 276c, sliding Block stop pin (not indicating in figure) 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 relative to static by axial slope 273 Radial direction slideway 274 radially movable, slider locks pin (not indicating in figure) is manually-operated.So-called swelling lockup state and Shrinkage porosite released state, its purpose is provided to make slide block 276 the most movable to adjust rest pad 272 relative to base 270 Height and position, after adjustment, can deeply insert elastic expansion hole 276c by slider locks pin (not indicating in figure), 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 Highly, it is only necessary to slider locks pin (not indicating in figure) pulls 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), 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), compresses hydraulic cylinder (320), piston rod (330), link rod (340), compresses hydraulic pressure Cylinder (320) and the fixing assembling of clamp body (100), piston rod (330) is pressed against the most movable assembling of hydraulic cylinder (320), piston Bar (330) is ordered about axial activity, link rod (340) and the assembling of piston rod (330) axial restraint, link rod by compressing hydraulic cylinder (320) (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) revolution assembling, link rod (340) relatively And there is between pressing plate (310) rolling ball body (350), rolling ball body (350) and link rod (340) and abut assembling, rolling ball body (350) abut assemble with pressing plate (310),
Link rod (340) includes that lateral pin (349), lateral pin (349) two ends and link rod (340) fix assembling, and rolling ball body (350) wraps Including through hole (355), lateral pin (349) passes through hole (355), and rolling ball body (350) can rotate assembling relative to lateral pin (349),
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) axle To the degree of depth more than 1/2nd of rolling ball body (350) diameter, yoke plate groove (341) axial depth is straight less than rolling ball body (350) Footpath,
Pressing plate (310) includes pressing plate end face (312) and pressing plate groove (313), and pressing plate end face (312) is towards link rod (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 the opening (314) being positioned at 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 plate groove inclined-planes (315) abut assembling,
Piston rod (330) includes cavity (331), the most movable assembling of link rod (340) opposing cavities (331), link rod (340) and work Stopper rod (330) threaded engagement is assembled,
Link rod (340) is sequentially provided with abutting end (342), thread segment (343) and controls end (344), thread segment (343) and piston Bar (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) being provided with link rod end face (345), yoke plate groove (341) and packing ring (346), pressing plate (310) is provided with lasso (311), lasso (311) the fixing assembling of link rod (340) socket assembling, lasso (311) and pressing plate (310) relatively, lasso (311) and packing ring (346) Axial restraint assembles, and controls end (344) and includes that yi word pattern groove (348) or cross groove, yi word pattern groove or cross groove face are to sky Chamber (331).
Indexing fixture the most according to claim 1, it is characterised in that: elastic accumulator (360) is butterfly spring.
3. according to the indexing fixture of claim 1 or 2, it is characterised in that: piston rod convex shoulder (332) is piston rod (330) outer wall The bulge loop set up.
CN201610947722.7A 2015-01-28 2015-01-28 Indexing clamp Withdrawn CN106312644A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610947722.7A CN106312644A (en) 2015-01-28 2015-01-28 Indexing clamp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510043519.2A CN104551789B (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610947722.7A CN106312644A (en) 2015-01-28 2015-01-28 Indexing clamp

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201510043519.2A Division CN104551789B (en) 2015-01-28 2015-01-28 Indexing fixture

Publications (1)

Publication Number Publication Date
CN106312644A true CN106312644A (en) 2017-01-11

Family

ID=53069418

Family Applications (14)

Application Number Title Priority Date Filing Date
CN201610752081.XA Withdrawn CN106239218A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610947731.6A Withdrawn CN106346285A (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
CN201610757096.5A Withdrawn CN106239260A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610949470.1A Withdrawn CN106425604A (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
CN201610959766.1A Withdrawn CN106425606A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610733683.0A Withdrawn CN106271759A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610757802.6A Withdrawn CN106239261A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610739807.6A Withdrawn CN106239259A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610956119.5A Withdrawn CN106425605A (en) 2015-01-28 2015-01-28 Indexing fixture
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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
CN201610757096.5A Withdrawn CN106239260A (en) 2015-01-28 2015-01-28 Indexing fixture
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CN201610733683.0A Withdrawn CN106271759A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610757802.6A Withdrawn CN106239261A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610739807.6A Withdrawn CN106239259A (en) 2015-01-28 2015-01-28 Indexing fixture
CN201610956119.5A Withdrawn CN106425605A (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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CN108838421A (en) * 2018-08-31 2018-11-20 山西华翔集团股份有限公司 Balance weight processing unit (plant) and method
DE102018126018A1 (en) * 2018-10-19 2020-04-23 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Workpiece support for supporting pipe material in a pipe processing machine and pipe processing machine
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CN104551789B (en) 2016-10-19
CN104551789A (en) 2015-04-29
CN106425605A (en) 2017-02-22
CN106425604A (en) 2017-02-22
CN106425603A (en) 2017-02-22
CN106392721A (en) 2017-02-15
CN106425606A (en) 2017-02-22
CN106239260A (en) 2016-12-21
CN106346285A (en) 2017-01-25
CN106239259A (en) 2016-12-21
CN106239218A (en) 2016-12-21
CN106271759A (en) 2017-01-04
CN106239261A (en) 2016-12-21

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