CN205571621U - High accuracy gear centering clamping device based on hole centering - Google Patents
High accuracy gear centering clamping device based on hole centering Download PDFInfo
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- CN205571621U CN205571621U CN201620281455.XU CN201620281455U CN205571621U CN 205571621 U CN205571621 U CN 205571621U CN 201620281455 U CN201620281455 U CN 201620281455U CN 205571621 U CN205571621 U CN 205571621U
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- 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 claims description 49
- 239000000446 fuel Substances 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 10
- 238000000227 grinding Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000003245 working effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 35
- 238000003825 pressing Methods 0.000 description 6
- 230000008961 swelling Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000010923 batch production Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 206010006514 bruxism Diseases 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a high accuracy gear centering clamping device based on hole centering, including being used for the whole driven hydraulic pressure module of device and being used for realizing that the gear presss from both sides bloated set of tight centering clamping module, expand cover centering clamping module setting in the upper end of hydraulic pressure module, the cover centering clamping module that expands includes a frustum base and expands rather than assorted elasticity overlaps, elasticity is bloated, and cover movably cover is located on the frustum base and accomplish axial motion under the drive of hydraulic pressure module, elasticity expand the cover can with its with the relative axial motion of frustum base turns into its self radial deformation to the realization is treated the centering of processing gear and is pressed from both sides tightly. The utility model discloses it is quick tight from centering and gear clamp easily to accomplish the gear hole, improves positioning accuracy and production efficiency. The utility model is suitable for an all kinds of gerar grinding course of workings with hole alignment gear, during to high accuracy and mass production's gear, the result of use is especially outstanding.
Description
Technical field
This utility model relates to a kind of high class gear centering and clamping apparatus based on endoporus centering, particularly relates to the quick centering and clamping apparatus of a kind of high class gear carrying out roll flute with endoporus for centering standard.
Background technology
Select the gear of gear-grinding process processing, its required precision general is the highest, with the centering of endoporus centering, always the processing of endoporus gear grinding is most basic is also one of most important method, how the beating to art work sheet prescribed limit of accurate centering endoporus before roll flute, is directly connected to precision and the quality of gear grinding processing.
In batch production, if fast and accurately clamping and centering can not be carried out gear, the quality of product and working (machining) efficiency will necessarily be produced harmful effect.Endoporus gear grinding centering clamping most popular method or artificial centering in industry at present, i.e. use dial gauge to measure endoporus to beat, coordinate copper rod constantly to tap tooth top and carry out fine position, the amplitude of beating that dial gauge is shown finally meets the technology requirement of art work sheet, finally using the artificial workpiece pressing of pressing plate, this method simple and flexible, the demand of frock measurer is relatively low, centering precision is higher, therefore relatively popular in operator.
But the method for this artificial centering and clamping is implicitly present in many not enough: 1, artificial centering operates with individual feel and experience entirely, operator is needed to carry out with many times tapping and playing table, dynamics and orientation that wherein copper rod taps are worthy of careful study the most greatly, even if very skilled person is also required to spend the time of 20 minutes to complete centering, unskilled cost one or two hour is the most normal, waste time and energy, be not suitable for batch production.2, after centering completes, need to use pressing plate that workpiece is compressed, and during this time exert a force and be likely to make the shift in position of workpiece, destroy the precision of centering, need the most again to unclamp the process of pressing plate repetitive manual centering, if pressing plate compresses unreal it may also happen that roll flute midway, workpiece shift causes precision of grinding teeth defective, less stable.Just because of these shortcomings that artificial centering clamping exists, be presently mainly by buy external lathe genuine some auxiliary device come with the use of, although these device precision are higher but the most expensive, applicable object is single and the lathe of same model can only be coordinated to use, maintenance cost is high, the scene can not paused for batch production, its economy and sustainability are poor.
CN202278270U discloses a kind of gear tooth grinding positioning tool, the apotting spindle that including base, is arranged on base, it is arranged at the pressing plate for fixed gear on apotting spindle upper surface, the outside engaging of apotting spindle has inverted annular expansion set, and the lateral wall of expansion set is provided with multiple breathing groove.Although such scheme is capable of the purpose that gear is fixing, but its operating procedure is relatively complicated and owing to manually-operated reason causes the fixed precision of device the highest.Most critical, technique scheme is difficult to ensure that the gear with endoporus centering is fixing firm during roll flute, gear loose once occurs, not only results in machining accuracy and reduce, also can cause gear failure, production efficiency and the yields of processing enterprise are greatly lowered.
Therefore, how to design and a kind of with utility model can quick and precisely complete endoporus gear self-centering and the automation equipment of clamping and method just becomes institute of each processing enterprise problem demanding prompt solution.
Summary of the invention
In view of prior art exists drawbacks described above, the purpose of this utility model is to propose the quick centering and clamping apparatus of a kind of high class gear carrying out roll flute with endoporus for centering standard.
The purpose of this utility model, will be achieved by the following technical programs:
A kind of high class gear centering and clamping apparatus based on endoporus centering, including the hydraulic module driven for device entirety, and for realizing the expansion set centering clamp module of gear clamping, described expansion set centering clamp module is arranged at the upper end of described hydraulic module, described expansion set centering clamp module includes a frustum pedestal and the elastic expansion sleeve matched with it, described elastic expansion sleeve is sheathed on described frustum pedestal movably, and complete axially-movable under the drive of described hydraulic module, its conversion of motion to axial with described frustum pedestal can be the radial direction deformation of himself by described elastic expansion sleeve, to realize the centering to gear to be processed and clamping.
Preferably, described hydraulic module includes a hydraulic cylinder, described cylinder chamber is provided with a piston and fixes, with described piston, the piston rod being connected, described piston matches with described cylinder chamber, described cylinder chamber is divided into press-in oil pocket by described piston and ejects oil pocket, the circumferential side wall of described piston is also equipped with at least one for completely cutting off described press-in oil pocket and ejecting the piston ring of oil pocket.
Preferably, described hydraulic cylinder sidewall offers press-in fuel feed hole and eject fuel feed hole, and described press-in fuel feed hole is connected with described press-in oil pocket, described in eject fuel feed hole, be connected with the described oil pocket that ejects.
Preferably, the circumferential side wall on described piston rod top offers screw thread, is connected by threaded engagement and liftout plate are fixing；Being further opened with inner bolt hole on the top end face of described piston rod, be connected by threaded engagement and pull bar are fixing, described piston rod completes locked with described pull bar by the second bolt.
Preferably, the circumferential side wall on described pull bar top offers screw thread, described pull bar through described frustum pedestal endoporus with press-in plate fix be connected, described pull bar top spins and is fixed with the first bolt, and described pull bar completes locked with described press-in plate by described first bolt.
Preferably, described frustum pedestal is fixedly installed on the upper surface of described hydraulic cylinder by the 3rd bolt, the upper end of described frustum pedestal is the prismoid section that conical surface diameter is incremented by from top to bottom, the inwall of described elastic expansion sleeve matches with described prismoid section, described elastic expansion sleeve is sheathed in described prismoid section, described elastic expansion sleeve is movably disposed between described liftout plate and described press-in plate, and described elastic expansion sleeve external diameter in an unexpanded condition is less than the diameter of described bore to be processed.
Preferably, the bottom surface of described frustum pedestal offers the fuel feed hole for oil-feed, trapped fuel chamber that match, for trapped fuel is offered with described fuel feed hole on the lateral surface of described frustum pedestal prismoid section, described fuel feed hole is through with described trapped fuel chamber, the sidewall of described hydraulic cylinder offers pouring orifice, and described pouring orifice is connected with described fuel feed hole by oil pipe.
Preferably, the bottom of described frustum pedestal is the base with step surface, at least three springs it are fixedly installed on described step surface, described spring is equally spaced, described spring be provided above a gripper shoe, in the centering clamping process of gear, the lower surface of described gear to be processed touches with the upper surface of described gripper shoe.
Preferably, a plurality of symmetrical thin slot is in axial direction offered on the outer circumferential wall of described elastic expansion sleeve, the width of described thin slot is 1.0mm ~ 2.0mm, the unloading port of multiple arc transition is offered on described thin slot, the diameter of described unloading port is 2 ~ 3 times of the width of described thin slot, and the circumferential edge position of described elastic expansion sleeve external diameter bigger one end end face is provided with the circular arc chamfering being easy to gear handling.
Prominent effect of the present utility model is: by self-centering of the present utility model and clamping device, bore Quick self-centering and gear clamping can be easily accomplished, avoid the rigors to operator in Traditional Man aligning method, be greatly enhanced positioning precision and production efficiency.Meanwhile, this utility model is applicable to all kinds of roll flute course of processing with endoporus centering gear, and during for high accuracy with the gear produced in enormous quantities, its using effect is the most prominent.Additionally, this utility model can also be by the way of the expansion pedestal changing different size and expansion set, the scope of application of further expansion instrument, to be applicable to the endoporus gear of all kinds of specification.
Hereinafter accompanying drawing the most in conjunction with the embodiments, is described in further detail detailed description of the invention of the present utility model, so that technical solutions of the utility model are more readily understood, grasp.
Accompanying drawing explanation
Fig. 1 is 90 ° of revolved sectional views of the present utility model；
Fig. 2 is schematic cross-section of the present utility model；
Fig. 3 is the schematic cross-section of hydraulic module in this utility model；
Fig. 4 is the schematic cross-section of expansion set centering clamp module in this utility model.
Wherein: 1, hydraulic cylinder
1a, press-in oil pocket
1b, eject oil pocket 1b
2, piston rod 3, piston 4, piston ring 5, pull bar 6, liftout plate the 7, first bolt 8, elastic expansion sleeve 9, press-in plate 10, frustum pedestal 11, add work gear 12, spring 13, oil filler point the 14, the 3rd bolt 15, press-in fuel feed hole 16, eject fuel feed hole the 17, second bolt 18, gripper shoe 19, fuel feed hole 20, trapped fuel chamber.
Detailed description of the invention
This utility model discloses the quick centering and clamping apparatus of a kind of high class gear carrying out roll flute with endoporus for centering standard.
As shown in Fig. 1 ~ Fig. 4, a kind of high class gear centering and clamping apparatus based on endoporus centering, including the hydraulic module driven for device entirety, and for realizing the expansion set centering clamp module of gear clamping, described expansion set centering clamp module is arranged at the upper end of described hydraulic module, described expansion set centering clamp module includes a frustum pedestal 10 and the elastic expansion sleeve 8 matched with it, described elastic expansion sleeve 8 is sheathed on described frustum pedestal 10 movably, and complete axially-movable under the drive of described hydraulic module, its conversion of motion to axial with described frustum pedestal 10 can be the radial direction deformation of himself by described elastic expansion sleeve 8, to realize the centering to gear 11 to be processed and clamping.
Described hydraulic module includes a hydraulic cylinder 1, described hydraulic cylinder 1 inner chamber is provided with a piston 3 and fixes, with described piston 3, the piston rod 2 being connected, described piston 3 matches with described hydraulic cylinder 1 inner chamber, described hydraulic cylinder 1 inner chamber is divided into press-in oil pocket 1a by described piston 3 and ejects oil pocket 1b, the circumferential side wall of described piston 3 is also equipped with at least one for completely cutting off described press-in oil pocket 1a and ejecting the piston ring 4 of oil pocket 1b.In the present embodiment, described piston ring 4 has two, and two described piston rings 4 are setting up and down.
Described hydraulic cylinder 1 sidewall offers press-in fuel feed hole 15 and eject fuel feed hole 16, and described press-in fuel feed hole 15 is connected with described press-in oil pocket 1a, described in eject fuel feed hole 16, be connected with the described oil pocket 1b that ejects.
The circumferential side wall on described piston rod 2 top offers screw thread, is connected by threaded engagement is fixing with liftout plate 6；Being further opened with inner bolt hole on the top end face of described piston rod 2, be connected by threaded engagement is fixing with pull bar 5, described piston rod 2 completes locked with described pull bar 5 by the second bolt 17.
The circumferential side wall on described pull bar 5 top offers screw thread, described pull bar 5 is fixed with press-in plate 9 through the endoporus of described frustum pedestal 10 and is connected, described pull bar 5 top spins and is fixed with the first bolt 7, and described pull bar 5 completes locked with described press-in plate 9 by described first bolt 7.
Described frustum pedestal 10 is fixedly installed on the upper surface of described hydraulic cylinder 1 by the 3rd bolt 14, the upper end of described frustum pedestal 10 is the prismoid section that conical surface diameter is incremented by from top to bottom, the inwall of described elastic expansion sleeve 8 matches with described prismoid section, described elastic expansion sleeve 8 is sheathed in described prismoid section, described elastic expansion sleeve 8 is movably disposed between described liftout plate 6 and described press-in plate 9, and described elastic expansion sleeve 8 external diameter in an unexpanded condition is less than the diameter of described gear 11 endoporus to be processed.
The bottom surface of described frustum pedestal 10 offers the fuel feed hole 19 for oil-feed, trapped fuel chamber 20 that match, for trapped fuel is offered with described fuel feed hole 19 on the lateral surface of described frustum pedestal 10 prismoid section, described fuel feed hole 19 is through with described trapped fuel chamber 20, the sidewall of described hydraulic cylinder 1 offers pouring orifice 13, and described pouring orifice 13 is connected with described fuel feed hole 19 by oil pipe.
The bottom of described frustum pedestal 10 is the base with step surface, at least three springs 3 it are fixedly installed on described step surface, in the present embodiment, described spring 3 has four, and described spring 3 is equally spaced, described spring 3 be provided above a gripper shoe 18, in the centering clamping process of gear, the lower surface of described gear 11 to be processed touches with the upper surface of described gripper shoe 18.
In axial direction offering a plurality of symmetrical thin slot (not shown) on the outer circumferential wall of described elastic expansion sleeve 8, in the present embodiment, described thin slot is provided with three altogether, and is uniformly arranged, and the width of described thin slot is 1.0mm ~ 2.0mm.The unloading port (not shown) of multiple arc transition is offered on described thin slot, in the present embodiment, it is symmetrically arranged with two unloading port on every described thin slot, the diameter of described unloading port is 2 ~ 3 times of the width of described thin slot, and the circumferential edge position of described elastic expansion sleeve 8 external diameter bigger one end end face is provided with the circular arc chamfering being easy to gear handling.
The processing method of described a kind of high class gear centering and clamping apparatus based on endoporus centering, comprises the steps:
S1, equipment installation steps, the parts that size Selection according to concrete specification of equipment and gear to be processed is matched, subsequently by device integral installation on the rotary disk of gear grinding machines, complete the centering of frustum pedestal 10, make its runout error be less than or equal to 0.002mm, and complete to fix；
S2, initialization step, elastic expansion sleeve 8 keeps extrusion state, is pressed into oil pocket 1a and ejects the oil pressure of oil pocket 1b unanimously in hydraulic cylinder 1, and described elastic expansion sleeve 8 drops down onto on described frustum pedestal 10 next time at the Gravitative Loads of piston 3；
S3, workpiece feeding step: gear 11 to be processed is lifted above device in the prone mode of benchmark, in keeping described gear to be processed 11, axially bored line is vertically, the endoporus of described gear 11 to be processed is slowly inserted in along described elastic expansion sleeve 8 upper surface chamfering, makes described gear to be processed 11 be stably positioned in gripper shoe 18；
nullS4、Centering swelling step: after workpiece filling，Open press-in and control switch，Described ejecting in oil pocket 1b is injected into hydraulic oil，Described press-in oil pocket 1a and eject and form certain positive difference between oil pocket 1b，Piston rod 5 is made to produce pressing-in force，Along with the press-in plate 9 being connected with described piston rod 5 is constantly afterburning to the upper surface of described elastic expansion sleeve 8，Described elastic expansion sleeve 8 will in axial direction move down，In moving process，There is even inflation in described elastic expansion sleeve 8，Gap between the endoporus of described gear to be processed 11 and the face, outer circumferential of elastic expansion sleeve 8 is gradually reduced，Until being zero，The endoporus of the most described gear to be processed 11 is close to zero with the axiality of elastic expansion sleeve 8 axis，Described gear to be processed 11 completes centering，When described elastic expansion sleeve 8 continues to move down under the effect of pressing-in force，Interference fit is formed between described elastic expansion sleeve 8 and gear to be processed 11 endoporus，When the maximum amount of being full of reached under this pressing-in force, elastic expansion sleeve 8 stops mobile，The most described gear to be processed 11 is by swelling，Described gear 11 to be processed can be carried out roll flute processing subsequently；
S5, workpiece moves back and unloads step: be injected into hydraulic oil in described press-in oil pocket 1a, described press-in oil pocket 1a and eject and form certain positive difference between oil pocket 1b, described piston 3 is made to produce suitable thrust, produce oil pressure by the oil filler point 13 on described hydraulic cylinder 1 at the faying face of described elastic expansion sleeve 8 with frustum pedestal 10 simultaneously, along with the extrusion plate 6 being connected with described piston rod 5 is constantly afterburning to described elastic expansion sleeve 8 lower surface, described elastic expansion sleeve 8 will in axial direction move up, in moving process, described elastic expansion sleeve 8 occurs uniformly to tighten, gap between the endoporus of described gear to be processed 11 and the face, outer circumferential of described elastic expansion sleeve 8 is gradually increased, until described elastic expansion sleeve 8 returns fully to active state, described gear to be processed 11 is also restored to the active state before swelling.
The selection of described elastic expansion sleeve 8 should meet following equation:
The smallest circle conical surface diameter of described elastic expansion sleeve 8
,
The greatest circle conical surface diameter of described elastic expansion sleeve 8,
Wherein, C is tapering and the tapering of described elastic expansion sleeve 8 endoporus of described frustum pedestal 10 prismoid section, and D is the hole size of described gear to be processed 11, and t is the gap between the external diameter of described elastic expansion sleeve 8 and described gear to be processed 11 endoporus, D-t represents the external diameter of described elastic expansion sleeve 8Taper hole length for described elastic expansion sleeve 8.
Described elastic expansion sleeve 8 is applied a pressing-in force, described elastic expansion sleeve 8 will coordinate the generation relative movement that faces down along taper hole, and due to the character of cone match in moving process, described elastic expansion sleeve 8 will deform distending, when the swelling capacity of outer diameter of described elastic expansion sleeve 8During equal to preset clearance t, the external diameter of described elastic expansion sleeve 8 is zero with the gap of described gear 11 endoporus to be processed, and the most described gear 11 to be processed completes centering based on endoporus,
When described gear to be processed 11 completes centering, distance of axial displacement h1 of described elastic expansion sleeve 8 and described elastic expansion sleeve 8 and the conical surface junction pressure of frustum pedestal 10 prismoid sectionMeet following equation:
,
,
Wherein,For the average diameter of described elastic expansion sleeve 8 taper hole,, E is the elastic modelling quantity of described elastic expansion sleeve 8.
In S4, along with pressing-in forceLasting loading, the endoporus of the external diameter of described elastic expansion sleeve 8 and described gear 11 to be processed gradually forms interference fit, the two Desing of Interference Joint minimum delivered load≥,
Wherein,The maximum grinding force of circumference for producing in the roll flute course of processing,For the pitch diameter of described gear 11 to be processed,Represent the torque value that grinding force produces.
The external diameter of described elastic expansion sleeve 8 and described gear 11 Desing of Interference Joint minimum delivered load to be processed,
Wherein,For the faying face length of described elastic expansion sleeve 8 with frustum pedestal 10,Coefficient of friction when working for faying face,For the minimum adhesion required for faying face transfer charge, its computing formula is,
Wherein,For the minimum interference amount of conic interference fit,The degree of depth is flattened for bore,For the profile arithmetic mean of instantaneous value of bore, i.e. roughness value,,For the elastic modelling quantity of gear,For the elastic modelling quantity of frustum pedestal,、Determine by GBT 5371-2004 criterion calculation,
,
The least displacement value of described elastic expansion sleeve 8 axial direction motion。
The described hydraulic cylinder 1 oil pressure when being pressed into or eject, described pressing-in force, described ejecting force is,
Wherein,For described elastic expansion sleeve 8 during employing oil pressure actuated and the coefficient of friction between frustum pedestal 10 faying face.
Described pressing-in forceWith described ejecting forceMeet following equation
:
,
,
Wherein,For being injected the oil pressure of hydraulic oil by press-in fuel feed hole 15,For by ejecting fuel feed hole 16 and inject the oil pressure of hydraulic oil,Diameter for piston.
The principle of this device is to produce suitable pulling force by hydraulic drive piston bar 2, elastic expansion sleeve 8 is made to be pressed into frustum pedestal 10, in process of press in, elastic expansion sleeve 8 will expand deformation radially uniform, when hole size in the external diameter of elastic expansion sleeve 8 is expanded to gear 11 to be processed, gear 11 to be processed will be felt relieved with endoporus, when elastic expansion sleeve 8 external diameter proceeds to expand to more than gear 11 diameter of bore to be processed, interference fit will be formed between gear 11 endoporus to be processed and elastic expansion sleeve 8, workpiece by swelling；In like manner, when hydraulic means produces deboost, elastic expansion sleeve 8 is forced out frustum pedestal 10, elastic expansion sleeve 8 will radially occur uniformly retraction, when elastic expansion sleeve 8 reduced diameter is to during less than gear 11 diameter of bore to be processed, gear 11 endoporus to be processed is with elastic expansion sleeve 8 for excessively to coordinate, and gear 11 to be processed affranchises state, it is achieved the function of loose unloading workpiece.During elastic expansion sleeve 8 press-in ejects, set up rapidly oil pressure and oil film by the oil filler point 13 on hydraulic cylinder at faying face, can more easily realize being pressed into Extrusion, increase the service life of device described in this utility model.
By self-centering of the present utility model and clamping device and using method thereof, bore Quick self-centering and gear clamping can be easily accomplished, it is to avoid rigors to operator in Traditional Man aligning method, be greatly enhanced positioning precision and production efficiency.Meanwhile, this utility model is applicable to all kinds of roll flute course of processing with endoporus centering gear, and during for high accuracy with the gear produced in enormous quantities, its using effect is the most prominent.Additionally, this utility model can also be by the way of the expansion pedestal changing different size and expansion set, the scope of application of further expansion instrument, to be applicable to the endoporus gear of all kinds of specification.
This utility model still has numerous embodiments, all employing equivalents or equivalent transformation and all technical schemes of being formed, within all falling within protection domain of the present utility model.
Claims (9)
1. a high class gear centering and clamping apparatus based on endoporus centering, it is characterized in that: include the hydraulic module driven for device entirety, and for realizing the expansion set centering clamp module of gear clamping, described expansion set centering clamp module is arranged at the upper end of described hydraulic module, described expansion set centering clamp module includes a frustum pedestal (10) and the elastic expansion sleeve (8) matched with it, described elastic expansion sleeve (8) is sheathed on described frustum pedestal (10) movably, and complete axially-movable under the drive of described hydraulic module, its conversion of motion to axial with described frustum pedestal (10) can be the radial direction deformation of himself by described elastic expansion sleeve (8), to realize the centering to gear to be processed (11) and clamping.
High class gear centering and clamping apparatus based on endoporus centering the most according to claim 1, it is characterized in that: described hydraulic module includes a hydraulic cylinder (1), described hydraulic cylinder (1) inner chamber is provided with a piston (3) and the piston rod (2) that be connected fixing with described piston (3), described piston (3) matches with described hydraulic cylinder (1) inner chamber, described hydraulic cylinder (1) inner chamber is divided into press-in oil pocket (1a) by described piston (3) and ejects oil pocket (1b), at least one it is also equipped with for completely cutting off described press-in oil pocket (1a) and ejecting the piston ring (4) of oil pocket (1b) in the circumferential side wall of described piston (3).
High class gear centering and clamping apparatus based on endoporus centering the most according to claim 2, it is characterized in that: described hydraulic cylinder (1) sidewall offers press-in fuel feed hole (15) and ejects fuel feed hole (16), described press-in fuel feed hole (15) is connected with described press-in oil pocket (1a), described eject fuel feed hole (16), be connected with the described oil pocket (1b) that ejects.
High class gear centering and clamping apparatus based on endoporus centering the most according to claim 2, it is characterised in that: the circumferential side wall on described piston rod (2) top offers screw thread, is connected by threaded engagement and liftout plate (6) are fixing；It is further opened with inner bolt hole on the top end face of described piston rod (2), being connected by threaded engagement and pull bar (5) are fixing, described piston rod (2) completes locked with described pull bar (5) by the second bolt (17).
High class gear centering and clamping apparatus based on endoporus centering the most according to claim 4, it is characterized in that: the circumferential side wall on described pull bar (5) top offers screw thread, described pull bar (5) through described frustum pedestal (10) endoporus with press-in plate (9) fix be connected, described pull bar (5) top spins and is fixed with the first bolt (7), and described pull bar (5) completes locked with described press-in plate (9) by described first bolt (7).
High class gear centering and clamping apparatus based on endoporus centering the most according to claim 5, it is characterized in that: described frustum pedestal (10) is fixedly installed on the upper surface of described hydraulic cylinder (1) by the 3rd bolt (14), the upper end of described frustum pedestal (10) is the prismoid section that conical surface diameter is incremented by from top to bottom, the inwall of described elastic expansion sleeve (8) matches with described prismoid section, described elastic expansion sleeve (8) is sheathed in described prismoid section, described elastic expansion sleeve (8) is movably disposed between described liftout plate (6) and described press-in plate (9), described elastic expansion sleeve (8) external diameter in an unexpanded condition is less than the diameter of described gear to be processed (11) endoporus.
High class gear centering and clamping apparatus based on endoporus centering the most according to claim 6, it is characterized in that: the bottom surface of described frustum pedestal (10) offers the fuel feed hole (19) for oil-feed, offer on the lateral surface of described frustum pedestal (10) prismoid section and to match with described fuel feed hole (19), trapped fuel chamber (20) for trapped fuel, described fuel feed hole (19) is through with described trapped fuel chamber (20), the sidewall of described hydraulic cylinder (1) offers pouring orifice (13), described pouring orifice (13) is connected with described fuel feed hole (19) by oil pipe.
High class gear centering and clamping apparatus based on endoporus centering the most according to claim 7, it is characterized in that: the bottom of described frustum pedestal (10) is the base with step surface, at least three springs (3) it are fixedly installed on described step surface, described spring (3) is equally spaced, described spring (3) be provided above a gripper shoe (18), in the centering clamping process of gear, the lower surface of described gear to be processed (11) touches with the upper surface of described gripper shoe (18).
High class gear centering and clamping apparatus based on endoporus centering the most according to claim 1, it is characterized in that: on the outer circumferential wall of described elastic expansion sleeve (8), in axial direction offer a plurality of symmetrical thin slot, the width of described thin slot is 1.0mm ~ 2.0mm, the unloading port of multiple arc transition is offered on described thin slot, the diameter of described unloading port is 2 ~ 3 times of the width of described thin slot, and the circumferential edge position of described elastic expansion sleeve (8) external diameter bigger one end end face is provided with the circular arc chamfering being easy to gear handling.
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| CN201620281455.XU CN205571621U (en) | 2016-04-07 | 2016-04-07 | High accuracy gear centering clamping device based on hole centering |
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| CN201620281455.XU CN205571621U (en) | 2016-04-07 | 2016-04-07 | High accuracy gear centering clamping device based on hole centering |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689812A (en) * | 2016-04-07 | 2016-06-22 | 中车戚墅堰机车车辆工艺研究所有限公司 | High-precision gear centering and clamping device based on inner hole centering and machining method of high-precision gear centering and clamping device |
| CN108581087A (en) * | 2018-07-12 | 2018-09-28 | 合肥银泉铸造有限责任公司 | A kind of Gear Production equipment |
-
2016
- 2016-04-07 CN CN201620281455.XU patent/CN205571621U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689812A (en) * | 2016-04-07 | 2016-06-22 | 中车戚墅堰机车车辆工艺研究所有限公司 | High-precision gear centering and clamping device based on inner hole centering and machining method of high-precision gear centering and clamping device |
| CN108581087A (en) * | 2018-07-12 | 2018-09-28 | 合肥银泉铸造有限责任公司 | A kind of Gear Production equipment |
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