CN107186525A - A kind of clamping device positioned for gear box fast aligning - Google Patents

Abstract

The invention discloses a kind of clamping device positioned for gear box fast aligning, including the door frame mechanism on base slidably connects elevating mechanism in the door frame mechanism, and the two ends of the elevating mechanism are slidably connected one end detent mechanism respectively；Lift cylinders are installed with the door frame mechanism, the piston rod of the lift cylinders is connected with elevating mechanism, and lift cylinders drive elevating mechanism to be vertically moved along door frame mechanism；The elevating mechanism by-level is installed with double team cylinder, and the double team cylinder is double-piston rod-type oil cylinder, and its piston rod is connected with the end detent mechanism positioned at the two ends of elevating mechanism respectively, sandwiches cylinder and drives end detent mechanism to be moved horizontally along elevating mechanism.The fast aligning that the present apparatus realizes gear box and Che Mo centers by being arranged with spring between locating slot and locating piece is positioned, and be adjusted when being shifted to the cylindrical centre of gyration in gear box upper surface, with labor intensity is low, efficiency high, the features such as strong adaptability.

Description

A kind of clamping device positioned for gear box fast aligning

Technical field

The present invention relates to a kind of clamping device, and in particular to a kind of clamping dress positioned for gear box fast aligning Put.

Background technology

During gear box vertical numerical control Vehicle Processing, casing lower end is generally used to be positioned with car mould plane and two pitses, due to case Body is casting, and casting deformation make it that the center in casing upper and lower ends face is misaligned, so in actual processing, first passing through Che Moding The centre of gyration of position centering casing lower surface, then again by manually turning round centering casing upper surface φ 310 by numerically controlled lathe The centre of gyration.The advantage of the processing mode is：When can ensure processing, casing upper and lower ends machined surface can be processed substantially Come, make thereon, after the center centering of lower surface, casting surplus is basically identical；But have the drawback that：Production efficiency is relatively low, no It is suitable to produce in enormous quantities；Hand labor intensity is big, it is necessary to artificial repeated detection, adjustment amendment after casing off-centring；In addition, All casing centering work are carried out under numerically controlled lathe halted state, and utilization rate of equipment and installations is low.

The content of the invention

It is an object of the invention to provide a kind of clamping device positioned for gear box fast aligning, casing is improved Centering efficiency, reduction casing centering labor intensity realizes that casing is produced in batches, and improves utilization rate of equipment and installations.

To achieve the above object, the present invention provides following technical scheme：

A kind of clamping device positioned for gear box fast aligning, including the door frame mechanism on base, it is described Slidably connect elevating mechanism in door frame mechanism, the two ends of the elevating mechanism are slidably connected one end detent mechanism respectively；It is described Lift cylinders are installed with door frame mechanism, the piston rod of the lift cylinders is connected with elevating mechanism, and lift cylinders drive elevating mechanism edge Door frame mechanism is vertically moved；The elevating mechanism by-level is installed with double team cylinder, and the double team cylinder is double-piston rod-type Oil cylinder, its piston rod is connected with the end detent mechanism positioned at the two ends of elevating mechanism respectively, is sandwiched cylinder and is driven end detent mechanism edge Elevating mechanism is moved horizontally.

The positioning hole for being positioned to car mould is offered on further scheme, the base.

Further scheme, the door frame mechanism includes the door frame frame being installed on base, the two side columns of the door frame frame Top is symmetrically installed with vertical guide rail, and the door frame frame positioned at the upper and lower end of vertical guide rail is installed with upper limit position block and lower limit respectively Position block；The lift cylinders mounting seat for installing lift cylinders is installed with door frame frame between two lower position blocks.

Further scheme, the elevating mechanism includes lifting frame, and the side of the lifting frame is installed with lift cylinders installing plate With the lifting slider vertically moved along the door frame mechanism, the opposite side of lifting frame is installed with horizontal guide rail and sandwiched for installing The double team cylinder mounting seat of cylinder；The two ends of the horizontal guide rail are installed with outer limited block respectively, and the intermediate symmetry of horizontal guide rail is fixed There are a pair of inner limited blocks.

Further scheme, the centre of the inner limited block is threaded with adjusting screw along horizontal guide rail direction.

Further scheme, the end detent mechanism includes connecting plate, and the bottom of the connecting plate is installed with along the lifting The cross sliding clock that mechanism is moved horizontally, the top of the cross sliding clock is installed with the double team cylinder peace that cylinder piston rod is sandwiched for installing Fill plate；It is installed with the inside of locating slot, the locating slot and is installed with for clamping gear box on the inside of the connecting plate Locating piece.

Further scheme, the locating piece is connected by fixing bolt with locating slot, positioned at locating piece and locating slot it Between gap connected by spring.

It is preferred that, the upper end of gap length and gear box between the locating piece and locating slot positions cylindrical casting The half for making max value of error is consistent.

Spring eye and bolt hole are offered on further scheme, the locating slot；Insertion is offered on the locating piece Stepped hole, offers spring putting hole on the locating piece of locating slot side.

Further scheme, the medial surface of the locating piece is the arc locating surface matched with gear box outer wall.

Adjusting screw is threaded with inner limited block, by adjusting the length of adjusting screw, so as to define that two ends are determined The minimum spacing size of position mechanism, so as to adapt to the positioning and clamping work of the gear box of different-diameter, improves this dress The accommodation put.

Door frame mechanism in the present invention is arranged on the rear side of base, and elevating mechanism passes through in lifting slider and door frame mechanism Vertical guide rail is mutually slidably connected；The cylinder body of lift cylinders is arranged in the lift cylinders mounting seat in door frame mechanism, the piston of lift cylinders Bar is arranged on the lift cylinders installing plate in elevating mechanism；When lifting cylinder working, then elevating mechanism is driven to be carried out along door frame mechanism Vertically move.The horizontal guide rail in cross sliding clock and elevating mechanism in the detent mechanism of end, which coordinates, to be slidably connected, and is placed in lift The two ends of structure, double team cylinder is double-piston rod-type oil cylinder, and its cylinder body is arranged in the double team cylinder mounting seat of elevating mechanism, its two ends Piston rod is connected with the double team cylinder installing plate in the detent mechanism of end respectively, is driven when sandwiching cylinder working positioned at elevating mechanism two ends End detent mechanism is synchronously moved horizontally along elevating mechanism, is realized and is shunk and release function.

The locating slot of end detent mechanism is embedded with locating piece, arc locating surface and the gear box outer wall kissing of locating piece Close, realize the clamping to gear box.Spring is arranged between locating slot and locating piece, is then connected by fixing bolt, and 3mm or so gap is left between the two, the fine setting to gear box diameter is realized, adjusting range simultaneously can in ± 3mm The cylindrical centre of gyration in gear box upper surface is shifted and is adjusted.

When the present apparatus carries out positioning work to gear box, car mould positioning centering gear box lower surface is first passed through The centre of gyration, then one is risen and is lifted on the base of the present apparatus, the bottom card of car mould is placed in the positioning hole on base Row fixed placement；Start lift cylinders, sandwich cylinder working, lift cylinders first drive elevating mechanism to move downward, until being moved to lower limit Limitation elevating mechanism continues to decline after the block of position；Then, sandwich cylinder and drive left and right end detent mechanism toward middle mobile, until contact Stop movement after adjusting screw on to inner limited block, so that the locating piece on the detent mechanism of end clamps gear box Outer wall, realization is positioned to it.Complete after positioning and clamping, during release, sandwich cylinder and first drive left and right end detent mechanism to be moved toward two ends It is dynamic, stop movement after outer limited block until touching, locating piece unclamps the outer wall of gear box；Then, lift cylinders, which drive, rises Descending mechanism is moved upwards, and long in elevating mechanism continuation rise is limited until being moved to after upper limit position block.

So the invention has the advantages that：

1st, the present apparatus realizes the quick of gear box and Che Mo centers by being arranged with spring between locating slot and locating piece Centering is positioned, and without manual intervention, greatly reduces labor intensity；

2nd, because the molten errors of cylindrical φ 310 of the upper end position point of gear box are controlled in 310 ± 3mm of φ, so this The gap between locating piece and locating slot in device is set to 3mm, then left and right two ends detent mechanism has 6mm gap, makes it Adapt to 310 ± 3mm of molten error φ of gear box.In addition, being threaded with regulation on inner limited block on horizontal guide rail Screw, by adjusting the length of adjusting screw, to adjust the distance between amendment left and right two end detent mechanism and positioner The upper end centre of location, meanwhile, the clamping range free state between the end detent mechanism of left and right two is controlled in φ 310-3mm.

3rd, due to being arranged with spring between locating slot and locating piece, when gear box upper surface, the cylindrical centre of gyration occurs During skew, because bounce of the spring when being squeezed can be adjusted to gear box.

4th, being positioned to gear box upper end, the process of centering be to be completed in the present apparatus, its positioning and clamping mistake Journey does not interfere with the normal process of numerically controlled lathe；Improve its processing efficiency.

5th, the present apparatus is adapted to high-volume processing and used to the positioning and clamping efficiency high of gear box.

Brief description of the drawings

Fig. 1 is structural representation of the invention,

Fig. 2 for the present invention in door frame mechanism structural representation,

Fig. 3 for the present invention in elevating mechanism structural representation,

Fig. 4 is the structural representation for holding detent mechanism in the present invention,

Fig. 5 is the sectional view for holding detent mechanism in the present invention,

Fig. 6 for the present invention in locating slot structural representation,

Fig. 7 for the present invention in locating piece structural representation,

Fig. 8 is apparatus of the present invention operating diagram.

In figure：1- bases, 11- positioning holes；2- door frames mechanism, 21- door frame frames, 22- vertical guide rails, 23- upper limit position blocks, 24- lower position blocks, 25- lift cylinders mounting seats；3- lift cylinders；4- elevating mechanisms, 41- lifting frames, 42- lifting sliders, 43- liftings Cylinder installing plate, 44- horizontal guide rails, the outer limited blocks of 45-, 46- inner limited blocks, 47- sandwiches cylinder mounting seat；5- sandwiches cylinder；6- is adjusted Screw；7- ends detent mechanism, 71- connecting plates, 72- cross sliding clocks, 73- double team cylinder installing plates, 74- locating slots, 741- spring eyes, 742- bolts hole, 75- locating pieces, 751- arc locating surfaces, 752- spring putting holes, 753- stepped holes, 76- fixing bolts, 77- Spring；8- car moulds；9- gear boxes.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further illustrated：

As shown in figure 1, a kind of clamping device positioned for gear box fast aligning, including the door on base 1 Slidably connect elevating mechanism 4 in frame mechanism 2, the door frame mechanism 2, the two ends of the elevating mechanism 4 are slidably connected one respectively Hold detent mechanism 7；Lift cylinders 3 are installed with the door frame mechanism 2, the piston rod of the lift cylinders 3 is connected with elevating mechanism 4, Lift cylinders 3 drive elevating mechanism 4 to be vertically moved along door frame mechanism 2；The by-level of elevating mechanism 4 is installed with double team cylinder 5, it is described double team cylinder 5 be double-piston rod-type oil cylinder, its piston rod respectively with the end detent mechanism 7 positioned at the two ends of elevating mechanism 4 Connection, sandwiches cylinder 5 and drives end detent mechanism 7 to be moved horizontally along elevating mechanism 4.

The positioning hole 11 for being positioned to car mould 8 is offered on further scheme, the base 1.

As shown in Fig. 2 door frame mechanism 2 includes the door frame frame 21 being installed on base 1, the two side columns of the door frame frame 21 Top is symmetrically installed with vertical guide rail 22, and the door frame frame 21 positioned at the upper and lower end of vertical guide rail 22 is installed with upper limit position block respectively 23 and lower position block 24；The lifting for installing lift cylinders 3 is installed with door frame frame 21 between two lower position blocks 24 Cylinder mounting seat 25.

As shown in figure 3, elevating mechanism 4 includes lifting frame 41, the side of the lifting frame 41 is installed with lift cylinders installing plate 43 and the lifting slider 42 that is vertically moved along the door frame mechanism 2, the opposite side of lifting frame 41 is installed with horizontal guide rail 44 and use In the double team cylinder mounting seat 47 for installing double team cylinder 5；The two ends of the horizontal guide rail 44 are installed with outer limited block 45 respectively, and level is led The intermediate symmetry of rail 44 is installed with a pair of inner limited blocks 46.

Further scheme, the centre of the inner limited block 46 is threaded with adjusting screw 6 along the direction of horizontal guide rail 44.

As shown in figure 4, end detent mechanism 7 includes connecting plate 71, the bottom of the connecting plate 71 is installed with along the lifting The cross sliding clock 72 that mechanism 4 is moved horizontally, the top of the cross sliding clock 72 is installed with the bag that the piston rod of cylinder 5 is sandwiched for installing Press from both sides cylinder installing plate 73；The inner side of the connecting plate 71 is installed with locating slot 74, and the inner side of the locating slot 74 is installed with for pressing from both sides Hold the locating piece 75 of gear box 9.

As shown in Fig. 5,6,7, locating piece 75 is connected by fixing bolt 76 with locating slot 74, positioned at locating piece 75 and positioning Gap between groove 74 is connected by spring 77.

It is preferred that, the upper end positioning of gap length and gear box 9 between the locating piece 75 and locating slot 74 is outer The half of round molten error maximum is consistent.

The cylindrical of the upper end position point of general gear box 9 is φ 310, and its molten error is 310 ± 3mm of φ, together Gap between locating piece 75 and locating slot 74 is 3mm, then left and right two ends detent mechanism 7 adds up shared 6mm gaps, with change 310 ± 3mm of molten error φ of fast box body 9 are consistent.

Spring eye 741 and bolt hole 742 are offered on further scheme, the locating slot 74；Opened on the locating piece 75 Stepped hole 753 provided with insertion, spring putting hole 752 is offered on the locating piece 75 of the side of locating slot 74.

Further scheme, the medial surface of the locating piece 75 is the arc locating surface matched with the outer wall of gear box 9 751。

When the present apparatus carries out positioning work to gear box 9, the lower end of the positioning centering of car mould 8 gear box 9 is first passed through The centre of gyration in face, then one is risen and is lifted on the base 1 of the present apparatus, the bottom card of car mould 8 is placed on the positioning on base 1 Placement is fixed in hole 11；Start lift cylinders 3, double team cylinder 5 to work, lift cylinders 3 first drive elevating mechanism 4 to move downward, directly The continuation decline of elevating mechanism 4 is limited to being moved to after lower position block 24；Then, sandwich the end localization machine that cylinder 5 drives arranged on left and right sides Toward middle mobile, movement is stopped until touching simultaneously for structure 7 after the adjusting screw 6 on inner limited block 46, so that end localization machine Locating piece 75 on structure 7 clamps the outer wall of gear box 9, and realization is positioned to it.As shown in Figure 8.

When completing to unclamp after positioning and clamping, sandwich cylinder and first 5 drive the end detent mechanism 7 of arranged on left and right sides to be moved toward two ends, directly Stop movement after outer limited block 45 to touching, locating piece 75 unclamps the outer wall of gear box 9；Now, lift cylinders 3, which drive, rises Descending mechanism 4 is moved upwards, and long in the continuation of elevating mechanism 4 rise is limited until being moved to after upper limit position block 23.

The locating slot 74 of end detent mechanism 7 is embedded with locating piece 75, arc locating surface 751 and the gearbox case of locating piece 75 The outer wall of body 9 matches, and realizes the clamping to gear box 9.Spring 77 is arranged between locating slot 74 and locating piece 75, then Connected by fixing bolt 76, and leave gap between the two；Missed because the upper end of gear box 9 positions the cylindrical castings of φ 310 Difference is controlled in 310 ± 3mm of φ, so the gap between the locating piece 75 and locating slot 74 in the present apparatus is set to 3mm, then it is left and right Two ends detent mechanism 7 has 6mm gap, adapts it to 310 ± 3mm of molten error φ of gear box 9.In addition, level The adjusting screw 6 being threadedly coupled on inner limited block 46 on guide rail 44, can be repaiied by adjusting the length of adjusting screw 6 to adjust The distance between positive two end detent mechanisms 7 in left and right and the positioner upper end centre of location, meanwhile, the end detent mechanism of left and right two Between clamping range free state control in φ 310-3mm.

I.e. the present apparatus to gear box 9 while positioning, moreover it is possible to the cylindrical revolution in gear box upper surface Center, which shifts, to be adjusted.Detailed process is as follows：

1）When the upper end of gear box 9 positions cylindrical φ 310-3mm：

If the lower end of gear box 9 and the positioning profile centre of gyration of car mould 8 and the upper end of gear box 9 are cylindrical concentric, together After two ends detent mechanism is clamped, the arc locating surfaces 751 of two locating pieces 75 just with the positioning of gear box 9 is cylindrical connects Touch, spring 9 is not compressed.

If the lower end of gear box 9 positions the profile centre of gyration and the cylindrical decentraction in the upper end of gear box 9 with car mould 8, I.e. the upper end centre of gyration of gear box 9 is produced to any direction and once offset, then after left and right two ends detent mechanism 7 is clamped, Spring 77 in the upper end offset direction of the gear box 9 meeting first contact with one of locating piece 75, the locating piece 75 then can Compressed, meanwhile, the reaction force of spring 77 can make the profile centers of 9 upper end φ of gear box 310 to the centre of gyration side of car mould 8 To movement, casing skew adjustment is realized.

2）When the upper end of gear box 9 positions cylindrical φ 310+3mm：

Now position, no matter whether the cylindrical centers of 9 upper end φ of gear box 310 offset, left and right two ends detent mechanism is sandwiched After tight gear box 9, in locating piece 75 arc locating surface 751 completely with the upper end positioning of gear box 9 is cylindrical is adjacent to, together When, the spring 77 in locating piece 75 is compressed, and the 3mm gaps between locating piece 75 and locating slot 74 are eliminated and both ends of the surface are fitted.

3）When the upper end positioning of gear box 9 is cylindrical interval in 310 ± 3mm of φ（Not comprising two dimension limits）When：

Left and right two end detent mechanisms 7 are sandwiched after tight gear box 9, and the locating piece 75 of both sides can hold casing upper end tightly simultaneously Location division, the upper end of gear box 9, which positions cylindrical off-centring direction, can be squeezed the bounce of the larger spring 77 of power Effect, overcomes the power on other directions, forces the upper end centre of location of gear box 9 to be moved to the centre of gyration direction of car mould 8.

Above-described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of protection of the invention.

Claims (10)

1. a kind of clamping device positioned for gear box fast aligning, it is characterised in that：Including installed in base（1）On Door frame mechanism（2）, the door frame mechanism（2）On slidably connect elevating mechanism（4）, the elevating mechanism（4）Two ends point Be not slidably connected one end detent mechanism（7）；The door frame mechanism（2）On be installed with lift cylinders（3）, the lift cylinders（3）Work Stopper rod and elevating mechanism（4）Connection, lift cylinders（3）Drive elevating mechanism（4）Along door frame mechanism（2）Vertically moved；It is described Elevating mechanism（4）By-level is installed with double team cylinder（5）, the double team cylinder（5）For double-piston rod-type oil cylinder, its piston rod difference With positioned at elevating mechanism（4）Two ends end detent mechanism（7）Connection, sandwiches cylinder（5）Drive end detent mechanism（7）Along lift Structure（4）Moved horizontally.

2. clamping device according to claim 1, it is characterised in that：The base（1）On offer for car mould（8） The positioning hole positioned（11）.

3. clamping device according to claim 1, it is characterised in that：The door frame mechanism（2）Including being installed in base（1） On door frame frame（21）, the door frame frame（21）The top of two side columns be symmetrically installed with vertical guide rail（22）, positioned at vertically leading Rail（22）Upper and lower end door frame frame（21）Upper limit position block is installed with respectively（23）And lower position block（24）；Positioned at two lower limits Position block（24）Between door frame frame（21）On be installed with for installing lift cylinders（3）Lift cylinders mounting seat（25）.

4. clamping device according to claim 1, it is characterised in that：The elevating mechanism（4）Including lifting frame（41）, institute State lifting frame（41）Side be installed with lift cylinders installing plate（43）With along the door frame mechanism（2）The lifting slider vertically moved （42）, lift frame（41）Opposite side be installed with horizontal guide rail（44）Cylinder is sandwiched with for installing（5）Double team cylinder mounting seat （47）；The horizontal guide rail（44）Two ends be installed with outer limited block respectively（45）, horizontal guide rail（44）Intermediate symmetry it is fixed There are a pair of inner limited blocks（46）.

5. clamping device according to claim 4, it is characterised in that：The inner limited block（46）Centre along horizontal guide rail （44）Direction is threaded with adjusting screw（6）.

6. clamping device according to claim 1, it is characterised in that：The end detent mechanism（7）Including connecting plate（71）, The connecting plate（71）Bottom be installed with along the elevating mechanism（4）The cross sliding clock moved horizontally（72）, the level cunning Block（72）Top be installed with for install sandwich cylinder（5）The double team cylinder installing plate of piston rod（73）；The connecting plate（71）'s Inner side is installed with locating slot（74）, the locating slot（74）Inner side be installed with for clamping gear box（9）Locating piece （75）.

7. clamping device according to claim 6, it is characterised in that：The locating piece（75）Pass through fixing bolt（76）With Locating slot（74）Connection, positioned at locating piece（75）With locating slot（74）Between gap pass through spring（77）Connection.

8. clamping device according to claim 7, it is characterised in that：The locating piece（75）With locating slot（74）Between Gap length and gear box（9）Upper end position cylindrical molten error maximum half it is consistent.

9. clamping device according to claim 6, it is characterised in that：The locating slot（74）On offer spring eye （741）And bolt hole（742）；The locating piece（75）On offer the stepped hole of insertion（753）, positioned at locating slot（74）Side Locating piece（75）On offer spring putting hole（752）.

10. clamping device according to claim 6, it is characterised in that：The locating piece（75）Medial surface be and speed change Box body（9）The arc locating surface that outer wall matches（751）.