CN203726226U - Fixture for machining oblique oil hole of crankcase - Google Patents
Fixture for machining oblique oil hole of crankcase Download PDFInfo
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- CN203726226U CN203726226U CN201420127288.4U CN201420127288U CN203726226U CN 203726226 U CN203726226 U CN 203726226U CN 201420127288 U CN201420127288 U CN 201420127288U CN 203726226 U CN203726226 U CN 203726226U
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- upper strata
- lower floor
- subtemplate
- crankcase
- fixture
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- 238000003754 machining Methods 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 100
- 238000003825 pressing Methods 0.000 claims description 29
- 230000003028 elevating effect Effects 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000012545 processing Methods 0.000 description 20
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The utility model discloses a fixture for machining an oblique oil hole of a crankcase. The fixture comprises a bottom plate, a lower-layer swing angle mechanism arranged on the bottom plate, an upper-layer swing angle mechanism upwards arranged from the lower-layer swing angle mechanism, a clamping mechanism for clamping the crankcase and a positioning mechanism for positioning the crankcase, wherein the fixture divides a space angle, formed relative to the bottom plate, of the axis of the oblique oil hole of the crankcase into a planar angle a and a planar angle b through the lower-layer swing angle mechanism and the upper-layer swing angle mechanism. The fixture for machining the oblique oil hole of the crankcase can be applied to automatic assembly line production; the space angle can be divided into two planar angles, and the fixture is automatically overturned to a required angle to keep the crankcase at an optimal angular position, so that the machining accuracy of the oblique oil hole of the crankcase is greatly improved, and the working efficiency is greatly improved.
Description
Technical field
The utility model relates to a kind of fixture of machining crankshafts case, relates in particular to a kind of fixture for machining crankshafts case inclined oil hole of air.
Background technology
At present, in crankcase mechanical processing process, the inclined oil hole of air processing of crankcase is a very important procedure in crankcase process, and the maximum difficult point of this operation is the design of fixture, and the quality of fixture has directly determined quality, production efficiency and the production cost of product.
Traditional crankcase bores inclined oil hole of air fixture, on the one hand, adopts manual pattern swinging more, its flexibility is larger, but manual swinging need be debugged repeatedly, to the crankcase structure of each processing because model and specification make the property of there are differences between crankcase, as clamping area angle has deviation, manual clamp mechanism cannot be adjusted according to clamping area, thereby clamping work pieces well, and hand labor intensity is very large, and consuming time very long, production efficiency is low, has greatly increased manufacturing cost; On the other hand, some fixtures hoistable platform that do not lead, positioning precision is poor, is unsuitable for the requirement of streamline batch production.
Utility model content
The utility model is for deficiency of the prior art, a kind of fixture for machining crankshafts case inclined oil hole of air is provided, can be applicable to Automatic Production Line, its space angle can resolve into two Plane Angle, automatic turning is to required angle, make workpiece in best angle position, greatly improved the machining accuracy of workpiece crankcase inclined oil hole of air, thereby greatly improved operating efficiency.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
A kind of fixture for machining crankshafts case inclined oil hole of air, comprise base plate, the swinging mechanism of lower floor arranging on base plate, the upper strata swinging mechanism and the detent mechanism for clamping the clamp mechanism of crankcase and crankcase being positioned that up arrange from swinging mechanism of lower floor, described fixture resolves into Plane Angle a and Plane Angle b by swinging mechanism of lower floor with the space angle that upper strata swinging mechanism forms relative the axis of crankcase inclined oil hole of air base plate, longitudinal rotating shaft of the horizontal rotating shaft that swinging mechanism of described lower floor is provided with the upset of relative base plate and the upset of described upper strata swinging mechanism of relative lower floor of swinging mechanism, described horizontal rotating shaft is with longitudinally rotating shaft is relative vertical in space, swinging mechanism of described lower floor is rotating shaft upset and base plate formation Plane Angle a relatively laterally, the relatively longitudinally rotating shaft upset and the formation Plane Angle b of swinging mechanism of described lower floor of described upper strata swinging mechanism.
Because the oilhole of crankcase is a space angle hole, in fixture of the present utility model, adopt twice pivot angle to locate the angle of this oilhole, automatic turning arrives required angle, thereby has greatly improved the stability of pivot angle, has replaced the mode of operation of artificial pivot angle, and simple to operate, accurate positioning, has also saved the clamping time greatly, has improved the efficiency of the machining of oil hole to workpiece crankcase.
Further, swinging mechanism of described lower floor comprises lower floor's subtemplate, the spacing angle board of a pair of lower floor, lower floor's pivot angle oil cylinder, the pair of bearing one being provided with in the bottom of described lower floor subtemplate and the rotating shaft one matching with bearing block one, and the spacing angle board of described a pair of lower floor lower end is fixed on base plate; One end of described lower floor pivot angle oil cylinder is connected with lower floor subtemplate by Connection Block one, the other end of described lower floor pivot angle oil cylinder is connected with base plate by Connection Block two, the piston rod of described lower floor pivot angle oil cylinder is connected with Connection Block one is movable by removable pin four, and the other end that described lower floor pivot angle oil cylinder is relative with piston rod is connected with Connection Block two is movable by removable pin five; The spacing angle board of described lower floor is provided with the through hole one of installing for described rotating shaft one, and under the driving of lower floor's pivot angle oil cylinder, described lower floor subtemplate one rotates and is adjacent to the spacing angle board of lower floor and obtain a Plane Angle a around the shaft.
Further, the spacing angle board of described lower floor comprises the spacing angle board body of lower floor, and the upper surface of the spacing angle board body of described lower floor is and the plane of the inclination of the angled setting of base plate.
Further, described upper strata swinging mechanism comprises upper strata subtemplate, the spacing angle board in a pair of upper strata, upper strata pivot angle oil cylinder, the pair of bearing two being provided with in the bottom of described upper strata subtemplate and the rotating shaft two matching with bearing block two, spacing angle board lower end, described a pair of upper strata is fixed on lower floor's subtemplate, one end of described upper strata pivot angle oil cylinder is connected with upper strata subtemplate by Connection Block three, the other end of described upper strata pivot angle oil cylinder is connected with lower floor subtemplate by Connection Block four, the piston rod of described upper strata pivot angle oil cylinder is connected with Connection Block three is movable by removable pin six, the other end that described upper strata pivot angle oil cylinder is relative with piston rod is connected with Connection Block four is movable by removable pin seven, the spacing angle board in described upper strata is provided with the through hole two of installing for described rotating shaft two, and under the driving of upper strata pivot angle oil cylinder, described upper strata subtemplate rotates around the shaft and is adjacent to the spacing angle board in upper strata and obtains a Plane Angle b.
Further, the spacing angle board in described upper strata comprises the spacing angle board body in upper strata, and the upper surface of the spacing angle board body in described upper strata is and the plane of the inclination of the angled setting of base plate.
The pair of bearing one being provided with due to the bottom of described lower floor subtemplate and the rotating shaft one matching with bearing block one, lower floor's subtemplate is under the driving of lower floor's pivot angle oil cylinder, lower floor's subtemplate rotates certain angle relative to the spacing angle board of lower floor, required according to processing parts crankcase, described lower floor subtemplate one rotates and is adjacent to the spacing angle board of lower floor and obtain a Plane Angle a around the shaft, in like manner, the pair of bearing two being provided with due to the bottom of described upper strata subtemplate and the rotating shaft two matching with bearing block two, upper strata subtemplate is under the driving of upper strata pivot angle oil cylinder, relative to upper strata, spacing angle board rotates certain angle to upper strata subtemplate, required according to processing parts crankcase, described upper strata subtemplate rotates around the shaft and is adjacent to the spacing angle board in upper strata and obtains a Plane Angle b, the Plane Angle a obtaining by twice swinging of lower floor's subtemplate and upper strata subtemplate respectively and Plane Angle b, ensure that the inclined oil hole of air of crankcase is perpendicular to base plate, and then can carry out the processing to inclined oil hole of air, twice automatic swing of the present utility model, greatly improve the stability of pivot angle, and simple to operate, make the accurate positioning to workpiece crankcase, thereby improve the efficiency of the machining of oil hole to workpiece crankcase.
Further, described clamp mechanism comprises multiple clamping elements that are arranged on the subtemplate of upper strata, described clamping element comprises clamping cylinder, pressing plate, clamping cylinder is arranged on to the oil cylinder mounting blocks on the subtemplate of upper strata, pressing plate is connected to the pressing plate contiguous block on clamping cylinder and connects the contiguous block one of pressing plate contiguous block and clamping cylinder, described pressing plate contiguous block one end is movable connection of piston rod with clamping cylinder by removable pin one, the other end and described pressing plate are fixedly linked, described contiguous block one one end is connected with clamping cylinder is movable by removable pin two, the other end is connected with pressing plate contiguous block is movable by removable pin three.
The clamp mechanism of the utility model fixture drives pressing plate to clamp crankcase by clamping cylinder, by solenoid control oil pressure, and convenient programming, thus realize automation, can Automatic-clamping workpiece crankcase; The clamping force of this fixture can regulate by oil pressure, stablizes constantly once setting up each clamping force, clamps effectively, greatly improves the machining accuracy of the inclined oil hole of air to crankcase, thereby has greatly improved working (machining) efficiency.And pressing plate, for the briquetting that floats, more can compress the blank surface of crankcase, there will not be virtual pressure phenomenon, clamps effective.
Further, described detent mechanism comprises the alignment pin and at least two registration seats that are fixedly installed on the subtemplate of upper strata.
Detent mechanism of the present utility model positions by plane and two pits, at least two rows' positioning seat forms the locating surface of location crankcase, adding a pair of alignment pin locates accurately, simple in structure, positioning precision is high, and positioning seat in a row can be completed into location crankcase locating surface, and carrying crankcase bearing capacity strong, increase rigidity and the stationarity of fixture, thereby improved machining accuracy.
Further, described a pair of alignment pin comprises a circular pegs and a rhombus pin, described circular pegs comprises circular plunger and supports the circular key seat of circular plunger, described rhombus pin comprises rhombus plunger and supports the rhombus key seat of rhombus plunger, has and these two locating holes that alignment pin is suitable in the medium position place choosing of the bottom surface of described crankcase.
The a pair of alignment pin of detent mechanism comprises a circular pegs and a rhombus pin, and simple in structure, circular pegs has played location, and rhombus pin plays the role of positioning, and can also prevent that workpiece from rotating, positioning workpieces crankcase better, good positioning effect; And circular pegs comprises circular plunger and supports the circular key seat of circular plunger, can be according to specification and the model of the crankcase of processing, in this fixture range of work, exchange for crankcase on the suitable circular plunger of locating hole, coordinate the processing of different model crankcase by circular plunger, simple in structure, flexibility is good, applicable to the multiple processing with analog structure crankcase, fixture research and development time and cost of manufacture are saved widely; In like manner, the rhombus plunger that described rhombus pin comprises also can exchange for, in this fixture range of work, exchange for crankcase on the suitable circular plunger of locating hole, coordinate the processing of different model crankcase by circular plunger, simple in structure, flexibility is good, applicable to the multiple processing with analog structure crankcase, fixture research and development time and cost of manufacture are saved widely.
Further, also comprise the elevating mechanism being arranged on the subtemplate of upper strata, the hoist cylinder that described elevating mechanism comprises lifting platform, is arranged on the lifting guide pillar of lifting platform bottom, carries out lifting for guide pin bushing and the driving elevating mechanism of lifting guide pillar guiding, described guide pin bushing is arranged on the subtemplate of upper strata.
Further, on the both sides of described lifting platform, be respectively equipped with guide rail, described guide rail arranges along workpiece direction of feed.
Further, be also provided with position-limit mechanism on described lifting platform, described position-limit mechanism comprises the limited support seat being connected on lifting platform, the limited block that is arranged on limited support seat upper end.
Further, also comprise the guiding mechanism that is positioned at lifting platform both sides, described guiding mechanism is arranged on the subtemplate of upper strata, described guiding mechanism comprises the guide holder being fixed on the subtemplate of upper strata and is arranged on the guide post on guide holder, described guide holder upper end is provided with the draw-in groove that clamps guide post, and the two ends of described guide post are stuck in the draw-in groove that is positioned at conplane two guide holders.
For being adapted to the production of automatic production line, coordinate an elevating mechanism being arranged on the subtemplate of upper strata, can be connected with outer flow waterline, automaticity is high, crankcase is fed on lifting platform by the guide rail on described lifting platform both sides, the guiding mechanism that is positioned at lifting platform both sides is carried and has been encircleed coarse positioning effect for crankcase simultaneously, i.e. the two sides of coarse positioning workpiece crankcase, the accurate positioning that further improves workpiece; And crankcase front end is undertaken spacing by a position-limit mechanism, ensure that crankcase is placed on corresponding position, after once workpiece crankcase is sent on lifting platform, hoist cylinder is by solenoid control oil pressure, the piston rod of hoist cylinder shrinks, lifting platform declines, locating hole on two alignment pin positioning workpieces crankcases, workpiece crankcase finally drops on positioning seat, this is simple in structure, has greatly improved operating efficiency, further improves the accuracy of location, and the production of applicable streamline, is applicable to automatic assembly line in enormous quantities.
Brief description of the drawings
By reference to the accompanying drawings, other features of the present utility model and advantage can become clearer from the explanation of the preferred embodiment that principle of the present utility model made an explanation below by giving an example.
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is that a kind of fixture for machining crankshafts case inclined oil hole of air of the utility model is installed the structural representation after crankcase;
Fig. 2 is the structural representation of a kind of fixture embodiment for machining crankshafts case inclined oil hole of air of the utility model;
Fig. 3 is the front view of a kind of fixture embodiment for machining crankshafts case inclined oil hole of air of the utility model;
Fig. 4 is the structural representation of swinging mechanism of the utility model lower floor;
Fig. 5 is the structural representation of the utility model upper strata swinging mechanism;
Fig. 6 is the structural representation of the utility model clamping positioning mechanism;
Fig. 7 is the structural representation of the utility model elevating mechanism;
Fig. 8 is the structural representation of the utility model guiding mechanism;
Fig. 9 is the structural representation of the utility model circular pegs;
Figure 10 is the structural representation of the utility model rhombus pin;
Figure 11 is the structural representation of the utility model positioning seat;
Figure 12 is the structural representation of the spacing angle board of the utility model lower floor;
Figure 13 is the structural representation of the spacing angle board in the utility model upper strata.
Detailed description of the invention
As Figure 1-3, as embodiment of the present utility model, a kind of fixture for machining crankshafts case inclined oil hole of air, comprise base plate 100, the swinging mechanism of lower floor 200 arranging on base plate 100, the upper strata swinging mechanism 300 up arranging from swinging mechanism of lower floor 200 and for clamping the clamp mechanism 400 of crankcase and the detent mechanism 500 that crankcase is positioned, described fixture resolves into Plane Angle a and Plane Angle b by swinging mechanism of lower floor 200 with the space angle that upper strata swinging mechanism 300 forms relative the axis of crankcase inclined oil hole of air base plate, longitudinal rotating shaft that the horizontal rotating shaft that swinging mechanism of described lower floor 200 is provided with the upset of relative base plate is overturn with described upper strata 300 swinging mechanisms of relative lower floor 200 of swinging mechanism, described horizontal rotating shaft is with longitudinally rotating shaft is relative vertical in space, the relatively horizontal rotating shaft upset of swinging mechanism of described lower floor 200 and base plate 100 form Plane Angle a, the swinging mechanism 300 relatively longitudinal rotating shaft upsets of described upper strata and swinging mechanism of described lower floor 200 form Plane Angle b, make the inclined oil hole of air of crankcase 1000 perpendicular to base plate 100, and then can carry out the processing to inclined oil hole of air, twice automatic swing of the present utility model, greatly improve the stability of pivot angle, and simple to operate, make the accurate positioning to workpiece crankcase 1000, thereby improve the efficiency of the machining of oil hole to workpiece crankcase 1000.In the present embodiment, fixture of the present utility model is fixed on machining tool by base plate 100, and processes.
In the present embodiment, as shown in Figure 4, swinging mechanism of described lower floor 200 comprises lower floor's subtemplate 201, the spacing angle board 202 of a pair of lower floor, lower floor's pivot angle oil cylinder 203, the pair of bearing 1 being provided with in the bottom of described lower floor subtemplate 201 and the rotating shaft 1 matching with bearing block 1, the spacing angle board of described a pair of lower floor 202 lower ends are fixed on base plate 100, and the bottom of upper end and lower floor's subtemplate 201 fits; One end of described lower floor pivot angle oil cylinder 203 is connected with lower floor subtemplate 201 by Connection Block 1, the other end of described lower floor pivot angle oil cylinder 203 is connected with base plate 100 by Connection Block 2 207, the piston rod of described lower floor pivot angle oil cylinder 203 is connected with Connection Block 1 is movable by removable pin 4 208, and the other end that described lower floor pivot angle oil cylinder 203 is relative with piston rod is connected with Connection Block 2 207 is movable by removable pin 5 209; The spacing angle board 202 of described lower floor is provided with the through hole 1 of installing for described rotating shaft 1, and under the driving of lower floor's pivot angle oil cylinder 203, described lower floor subtemplate 201 one 205 rotates and is adjacent to the spacing angle board 202 of lower floor and obtain a Plane Angle a around the shaft.
In the present embodiment, as shown in figure 12, the spacing angle board 202 of described lower floor comprises the spacing angle board body 2022 of lower floor, the upper surface of the spacing angle board body 2022 of described lower floor is and the plane of the inclination of base plate 100 angled settings, lower floor's subtemplate 201 is under the driving of lower floor's pivot angle oil cylinder 203 like this, described lower floor subtemplate 201 is one 205 rotations around the shaft, and described lower floor subtemplate 201 is the upper surfaces that are adjacent to the spacing angle board 202 of lower floor, therefore can obtain a Plane Angle a.
In the present embodiment, as shown in Figure 5, described upper strata swinging mechanism 300 comprises upper strata subtemplate 301, the spacing angle board 302 in a pair of upper strata, upper strata pivot angle oil cylinder 303, the pair of bearing 2 304 being provided with in the bottom of described upper strata subtemplate 301 and the rotating shaft 2 305 matching with bearing block 2 304, spacing angle board 302 lower ends, described a pair of upper strata are fixed on lower floor's subtemplate 201, the bottom of upper end and upper strata subtemplate 301 fits, one end of described upper strata pivot angle oil cylinder 303 is connected with upper strata subtemplate 301 by Connection Block 3 306, the other end of described upper strata pivot angle oil cylinder 303 is connected with lower floor subtemplate 201 by Connection Block 4 307, the piston rod of described upper strata pivot angle oil cylinder 303 is connected with Connection Block 3 306 is movable by removable pin 6 308, the other end that described upper strata pivot angle oil cylinder 303 is relative with piston rod is connected with Connection Block 4 307 is movable by removable pin 7 309, the spacing angle board 302 in described upper strata is provided with the through hole 2 3021 of installing for described rotating shaft 2 305, and under the driving of upper strata pivot angle oil cylinder 303, described upper strata subtemplate 301 2 305 rotates and is adjacent to the spacing angle board 302 in upper strata and obtain a Plane Angle b around the shaft.
In the present embodiment, as shown in figure 13, the spacing angle board 302 in described upper strata comprises the spacing angle board body 3022 in upper strata, the upper surface of the spacing angle board body 3022 in described upper strata is and the plane of the inclination of base plate 100 angled settings, upper strata subtemplate 301 is under the driving of upper strata pivot angle oil cylinder 303 like this, described upper strata subtemplate 301 around the shaft 2 305, and described upper strata subtemplate 30 is 1 to be adjacent to the upper surface of the spacing angle board 302 in upper strata, therefore can obtain a Plane Angle b.
In the present embodiment, as shown in Figure 6, described clamp mechanism 400 comprises multiple clamping elements that are arranged on upper strata subtemplate 301, described clamping element comprises clamping cylinder 402, pressing plate 401, clamping cylinder 402 is arranged on to the oil cylinder mounting blocks 403 on upper strata subtemplate 301, pressing plate 401 is connected to the pressing plate contiguous block 404 on clamping cylinder 402 and connects the contiguous block 1 of pressing plate contiguous block 404 and clamping cylinder 402, described pressing plate contiguous block 404 one end are movable connection of piston rod with clamping cylinder 402 by removable pin 1, the other end and described pressing plate 401 are fixedly linked, described contiguous block one 405 one end are connected with clamping cylinder 402 is movable by removable pin 2 407, the other end is connected with pressing plate contiguous block 404 is movable by removable pin 3 408.
In the utility model, the clamp mechanism 400 of the utility model fixture drives pressing plate 401 to clamp crankcase by clamping cylinder 402, energy Automatic-clamping workpiece crankcase, and clamp effective, greatly improve the machining accuracy to the processing of crankcase inclined oil hole of air, thereby greatly improved working (machining) efficiency.When clamping work pieces crankcase 1000, drive a certain position on the relative clamping work pieces crankcase 1000 of pressing plate 401, when after workpiece crankcase completion of processing, drive and unclamp workpiece crankcase 1000 by clamping cylinder 402 again, described pressing plate 401 leaves workpiece crankcase, and then unclamps workpiece crankcase, can take off the workpiece crankcase of completion of processing, so repeatedly, realize the batch machining to workpiece.The crankcase structure of each processing is because model and specification make the property of there are differences between crankcase, as clamping area angle has deviation, because this clamp mechanism 400 drives pressing plate 401 to clamp crankcase by clamping cylinder 402, pressing plate 401 is relative to rotating, realize pressing plate 401 and clamp crankcase according to the clamping area adjustment of crankcase, thereby be suitable for the processing of different model crankcase, applicability is strong.
Lower floor's pivot angle oil cylinder 203, upper strata pivot angle oil cylinder 303 and clamping cylinder 402 in the utility model embodiment
Concentrate by oil-collecting pump 2000 fuel feeding.
In the present embodiment, as shown in Figure 6, described detent mechanism 500 comprises the alignment pin and at least two registration seats 503 that are fixedly installed on upper strata subtemplate 301, in the present embodiment, described positioning seat 503 is two rows, and described positioning seat 503 in a row is three, positioning seat 503 in a row or the direction of feed setting along crankcase 1000, described positioning seat 503 upper surfaces form the locating surface of location crankcase 1000, position for crankcase 1000.Detent mechanism 500 of the present utility model positions by plane and two pits, two rows' positioning seat forms the locating surface of location crankcase 1000, adding a pair of alignment pin locates accurately, simple in structure, positioning precision is high, and positioning seat in a row is three, can be completed into the locating surface of location crankcase 1000, and the bearing capacity of carrying crankcase 1000 is strong, has further improved positioning precision.In position fixing process, positioning seat 503 first grinds contour, is fixed on base, and it is contour to guarantee to locate the same plane of workpiece crankcase 1000 that six positioning seats 503 grind, and positioning seat gold easily changes part for rapid wear, can change.
Described a pair of alignment pin comprises a circular pegs 501 and a rhombus pin 502, as shown in Figure 9, described circular pegs 501 comprises circular plunger 5011 and supports the circular key seat 5012 of circular plunger 5011, as shown in figure 10, described rhombus pin 502 comprises rhombus plunger 5021 and supports the rhombus key seat 5022 of rhombus plunger 5021, has and these two locating holes that alignment pin is suitable in the medium position place choosing of the bottom surface of described crankcase.
The a pair of alignment pin of detent mechanism 500 comprises a circular pegs 501 and a rhombus pin 502, and simple in structure, circular pegs 501 has played the effect of positioning workpieces, rhombus pin 502 plays positioning workpieces, can also prevent that workpiece from rotating, positioning workpieces crankcase 1000 better, good positioning effect, and the circular key seat 5012 that the circular plunger 5011 that circular pegs 501 comprises supports circular plunger 5011 is relatively dismountable, the rhombus key seat 5022 that the rhombus plunger 5021 that rhombus pin 502 comprises supports rhombus plunger 5021 is relatively dismountable, circular plunger 5011 and rhombus plunger 5021 exchange for according to specification and the model of the crankcase 1000 of processing, in this fixture range of work, exchange for crankcase 1000 on suitable circular plunger 5011 or the rhombus plunger 5021 of locating hole, coordinate the processing of different model crankcase 1000 by circular plunger 5011 or rhombus plunger 5021, simple in structure, flexibility is good, applicable to the multiple processing with analog structure crankcase 1000, fixture research and development time and cost of manufacture are saved widely.
In the present embodiment, as shown in figure 11, described positioning seat 503 comprises positioning seat gold 5031 and positioning pedestal 5032, described positioning seat gold 5031 is all provided with gas verify 5033 with positioning pedestal 5032 centers, described gas verify 5033 communicates with the air flue hole on upper strata subtemplate 301, and corresponding described positioning seat gold 5031, positioning pedestal 5032 and upper strata subtemplate 301 air flue connections seal by sealing ring.
In embodiment of the present utility model, for adapting to the production of automatic production line, as shown in Figure 7, also comprise the elevating mechanism 600 being arranged on upper strata subtemplate 301, the guide pin bushing 603 that described elevating mechanism 600 comprises lifting platform 601, is arranged on the lifting guide pillar 602 of lifting platform 601 bottoms, leads for lifting guide pillar 602 and the hoist cylinder 604 that drives elevating mechanism 600 to carry out lifting, described guide pin bushing 603 is arranged on upper strata subtemplate 301.Preferably, also on the both sides of described lifting platform 601, be respectively equipped with guide rail 800, and described guide rail 800 is along the setting of workpiece direction of feed, can be connected with outer flow waterline, automaticity is high.
As shown in Figure 7, on described lifting platform 601, be also provided with position-limit mechanism 700, described position-limit mechanism 700 comprises the limited support seat 701 being connected on lifting platform 601, the limited block 702 that is arranged on limited support seat 701 upper ends.
In the present embodiment, as shown in Figure 8, also comprise the guiding mechanism 900 that is positioned at lifting platform 601 both sides, described guiding mechanism 900 is arranged on upper strata subtemplate 301, described guiding mechanism 900 comprises the guide holder 901 being fixed on upper strata subtemplate 301 and is arranged on the guide post 902 on guide holder 901, described guide holder 901 upper ends are provided with the draw-in groove 903 that clamps guide post 902, and the two ends of described guide post 902 are stuck in the draw-in groove 903 that is positioned at conplane two guide holders 901.
Crankcase is fed on lifting platform 601 by the guide rail 800 on described lifting platform 601 both sides, the guiding mechanism 900 that is positioned at lifting platform 601 both sides is carried and has been encircleed coarse positioning effect for crankcase simultaneously, be the two sides of coarse positioning workpiece crankcase 1000, the accurate positioning that further improves workpiece, and crankcase front end is undertaken spacing by a position-limit mechanism 700, to ensure that crankcase is placed on corresponding position, after once workpiece crankcase 1000 is sent on lifting platform, hoist cylinder 604 is by solenoid control oil pressure, the piston rod of hoist cylinder 604 shrinks, lifting platform 601 declines, locating hole on two alignment pin positioning workpieces crankcases, workpiece crankcase finally drops on positioning seat, this is simple in structure, can lift workpiece crankcase, greatly improve operating efficiency, further improve the accuracy of location, and the production of applicable streamline, be applicable to automatic assembly line in enormous quantities.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the utility model.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (10)
1. the fixture for machining crankshafts case inclined oil hole of air, it is characterized in that: comprise base plate (100), in the upper swinging mechanism of lower floor (200) arranging of base plate (100), the upper strata swinging mechanism (300) up arranging from swinging mechanism of lower floor (200) and for clamping the clamp mechanism (400) of crankcase and the detent mechanism (500) that crankcase is positioned, described fixture resolves into Plane Angle a and Plane Angle b by swinging mechanism of lower floor (200) with the space angle that upper strata swinging mechanism (300) forms relative the axis of crankcase inclined oil hole of air base plate, swinging mechanism of described lower floor (200) is provided with longitudinal rotating shaft of horizontal rotating shaft swinging mechanism of lower floor relative to described upper strata swinging mechanism (300) (200) upset of relative base plate upset, described horizontal rotating shaft is with longitudinally rotating shaft is relative vertical in space, swinging mechanism of described lower floor (200) is rotating shaft upset and base plate (100) formation Plane Angle a relatively laterally, described upper strata swinging mechanism (300) relatively longitudinally rotating shaft upset forms Plane Angle b with swinging mechanism of described lower floor (200).
2. the fixture for machining crankshafts case inclined oil hole of air according to claim 1, it is characterized in that: swinging mechanism of described lower floor (200) comprises lower floor's subtemplate (201), the spacing angle board of a pair of lower floor (202), lower floor's pivot angle oil cylinder (203), the pair of bearing one (204) being provided with in the bottom of described lower floor subtemplate (201) and the rotating shaft one (205) matching with bearing block one (204), the spacing angle board of described a pair of lower floor (202) lower end is fixed on base plate (100), one end of described lower floor's pivot angle oil cylinder (203) is connected with lower floor's subtemplate (201) by Connection Block one (206), the other end of described lower floor's pivot angle oil cylinder (203) is connected with base plate (100) by Connection Block two (207), the piston rod of described lower floor's pivot angle oil cylinder (203) is by removable pin four (208) and one (206) movable connection of Connection Block, the other end that described lower floor's pivot angle oil cylinder (203) is relative with piston rod passes through removable pin five (209) and two (207) movable connections of Connection Block, the spacing angle board of described lower floor (202) is provided with the through hole one (2021) of installing for described rotating shaft one (205), under the driving of lower floor's pivot angle oil cylinder (203), described lower floor subtemplate (201) one (205) rotates and is adjacent to the spacing angle board of lower floor (202) and obtain a Plane Angle a around the shaft, the spacing angle board of described lower floor (202) comprises the spacing angle board body of lower floor, and the upper surface of the spacing angle board body of described lower floor is and the plane of the inclination of the angled setting of base plate (100).
3. the fixture for machining crankshafts case inclined oil hole of air according to claim 2, it is characterized in that: described upper strata swinging mechanism (300) comprises upper strata subtemplate (301), the spacing angle board in a pair of upper strata (302), upper strata pivot angle oil cylinder (303), the pair of bearing two (304) being provided with in the bottom of described upper strata subtemplate (301) and the rotating shaft two (305) matching with bearing block two (304), the spacing angle board in described a pair of upper strata (302) lower end is fixed on lower floor's subtemplate (201), one end of described upper strata pivot angle oil cylinder (303) is connected with upper strata subtemplate (301) by Connection Block three (306), the other end of described upper strata pivot angle oil cylinder (303) is connected with lower floor's subtemplate (201) by Connection Block four (307), the piston rod of described upper strata pivot angle oil cylinder (303) is by removable pin six (308) and three (306) movable connections of Connection Block, the other end that described upper strata pivot angle oil cylinder (303) is relative with piston rod passes through removable pin seven (309) and four (307) movable connections of Connection Block, the spacing angle board in described upper strata (302) is provided with the through hole two (3021) of installing for described rotating shaft two (305), under the driving of upper strata pivot angle oil cylinder (303), described upper strata subtemplate (301) rotates around the shaft and is adjacent to the spacing angle board in upper strata (302) and obtains a Plane Angle b, the spacing angle board in described upper strata (302) comprises the spacing angle board body in upper strata, and the upper surface of the spacing angle board body in described upper strata is and the plane of the inclination of the angled setting of base plate (100).
4. the fixture for machining crankshafts case inclined oil hole of air according to claim 3, it is characterized in that: described clamp mechanism (400) comprises multiple clamping elements that are arranged on upper strata subtemplate (301), described clamping element comprises clamping cylinder (402), pressing plate (401), clamping cylinder (402) is arranged on to the oil cylinder mounting blocks (403) on upper strata subtemplate (301), pressing plate (401) is connected to the pressing plate contiguous block (404) on clamping cylinder (402) and connects the contiguous block one (405) of pressing plate contiguous block (404) and clamping cylinder (402), described pressing plate contiguous block (404) one end is movable connection of piston rod with clamping cylinder (402) by removable pin one (406), the other end and described pressing plate (401) are fixedly linked, described contiguous block one (405) one end is by removable pin two (407) and movable connection of clamping cylinder (402), the other end is by removable pin three (408) and movable connection of pressing plate contiguous block (404).
5. the fixture for machining crankshafts case inclined oil hole of air according to claim 4, is characterized in that: described detent mechanism (500) comprises the alignment pin and at least two registration seats (503) that are fixedly installed on upper strata subtemplate (301).
6. the fixture for machining crankshafts case inclined oil hole of air according to claim 5, it is characterized in that: described a pair of alignment pin comprises a circular pegs (501) and a rhombus pin (502), described circular pegs (501) comprises circular plunger (5011) and supports the circular key seat (5012) of circular plunger (5011), described rhombus pin (502) comprises rhombus plunger (5021) and supports the rhombus key seat (5022) of rhombus plunger (5021), have and these two locating holes that alignment pin is suitable in the choosing of the medium position place of the bottom surface of described crankcase.
7. according to the fixture for machining crankshafts case inclined oil hole of air described in claim 1-6 any one, it is characterized in that: also comprise the elevating mechanism (600) being arranged on upper strata subtemplate (301), the hoist cylinder (604) that described elevating mechanism (600) comprises lifting platform (601), is arranged on the lifting guide pillar (602) of lifting platform (601) bottom, carries out lifting for guide pin bushing (603) and the driving elevating mechanism (600) of lifting guide pillar (602) guiding, described guide pin bushing (603) is arranged on upper strata subtemplate (301).
8. the fixture for machining crankshafts case inclined oil hole of air according to claim 7, is characterized in that: on the both sides of described lifting platform (601), be respectively equipped with guide rail (800), described guide rail (800) arranges along workpiece direction of feed.
9. the fixture for machining crankshafts case inclined oil hole of air according to claim 8, it is characterized in that: on described lifting platform (601), be also provided with position-limit mechanism (700), described position-limit mechanism (700) comprises the limited support seat (701) being connected on lifting platform (601), the limited block (702) that is arranged on limited support seat (701) upper end.
10. the fixture for machining crankshafts case inclined oil hole of air according to claim 9, it is characterized in that: also comprise the guiding mechanism (900) that is positioned at lifting platform (601) both sides, described guiding mechanism (900) is arranged on upper strata subtemplate (301), described guiding mechanism (900) comprises the guide holder (901) being fixed on upper strata subtemplate (301) and is arranged on the guide post (902) on guide holder (901), described guide holder (901) upper end is provided with the draw-in groove (903) that clamps guide post (902), the two ends of described guide post (902) are stuck in the draw-in groove (903) that is positioned at conplane two guide holders (901).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127288.4U CN203726226U (en) | 2014-03-20 | 2014-03-20 | Fixture for machining oblique oil hole of crankcase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127288.4U CN203726226U (en) | 2014-03-20 | 2014-03-20 | Fixture for machining oblique oil hole of crankcase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203726226U true CN203726226U (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420127288.4U Expired - Fee Related CN203726226U (en) | 2014-03-20 | 2014-03-20 | Fixture for machining oblique oil hole of crankcase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203726226U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831651A (en) * | 2014-03-20 | 2014-06-04 | 杭州钰友精密机械有限公司 | Fixture for machining crankcase oblique oil hole |
| CN107088762A (en) * | 2017-06-13 | 2017-08-25 | 襄阳长源东谷实业股份有限公司 | The double angle inclined hole clamp for machining and processing method of a kind of big-block engine |
| CN107662103A (en) * | 2017-10-18 | 2018-02-06 | 安徽安簧机械股份有限公司 | Spindle back taper hole forming method and its clamp for machining |
-
2014
- 2014-03-20 CN CN201420127288.4U patent/CN203726226U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831651A (en) * | 2014-03-20 | 2014-06-04 | 杭州钰友精密机械有限公司 | Fixture for machining crankcase oblique oil hole |
| CN103831651B (en) * | 2014-03-20 | 2016-07-06 | 杭州钰友精密机械有限公司 | A kind of fixture for machining crankshafts case inclined oil hole of air |
| CN107088762A (en) * | 2017-06-13 | 2017-08-25 | 襄阳长源东谷实业股份有限公司 | The double angle inclined hole clamp for machining and processing method of a kind of big-block engine |
| CN107662103A (en) * | 2017-10-18 | 2018-02-06 | 安徽安簧机械股份有限公司 | Spindle back taper hole forming method and its clamp for machining |
| CN107662103B (en) * | 2017-10-18 | 2023-09-01 | 安徽安簧机械股份有限公司 | Machining method and machining clamp for automobile steering knuckle back taper hole |
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