Invention content
The technical issues of the utility model is solved is to provide intelligent fixture switching system, to solve to give birth in the prior art
Production efficiency is low, processing installation accuracy is high, manufacturing cost is high, occupied space is big, poor universality technical matters.
In order to solve the above technical problems, the utility model uses a kind of intelligent fixture switching system, including warehouse compartment and turntable,
It is characterized in that, the warehouse compartment includes The lifting and lowering Z-direction device, X to shifting carrying platform and Y-direction warehouse compartment;The turntable includes multiple switchings
Platform and turntable driving;The motor driving part of the warehouse compartment point is controlled by robot system, and warehouse compartment is docked with some switching platform,
Remaining switching platform continue working.
Further, the The lifting and lowering Z-direction device is equipped with high-order and low level two states:When high-order, clamp weight fall X to
It is oriented to and is detached from X to shifting carrying platform, X is moved in X to track to shifting carrying platform below fixture, and is caught on fixture and urged it into
Assigned work position;When fixture switches between each warehouse compartment, The lifting and lowering Z-direction device is in low level, prevents from interfering with fixture.
Further, the warehouse compartment uses Modularized splice mode, any combinations, installation, each Y-direction library between multiple warehouse compartments
Position hooks position bolt by Y-direction track, dragging trolley, Y-direction and auxiliary bridge chair forms, and the arbitrary combination in size library may be implemented, convenient
Repair and installation, and versatility is stronger, does not limit excessively fixture size and load weight;And Y-direction quantity-at-location can
Unlimited splicing, X to track can indefinite extension, increase versatility.
Further, the linkage of all warehouse compartments and track may be implemented in the robot system, and more warehouse compartments can be run simultaneously,
Switching time can be preferably saved, improve efficiency.
Further, the fixture mounting base on the switching platform uses the structure of multigroup " idler wheel+fixed frame ", fixture
By from flumping in fixture mounting base and stablizing on fixed frame, fixture is not easily shifted, and does not need other fasteners, simplifies
Structure has high rigidity, and saves the trouble of dismounting/loading;The switching platform using idler wheel be oriented to, be exaggerated fixture with
Gap between guiding can reduce the requirement of alignment precision, be led using multigroup fixed idler whell, fixed frame and limited roller
To.
Further, the turntable adjusts the running accuracy of turntable by the way of mechanical zero alignment, and cylinder pushes zero
Position bolt makes it be aligned in the adjustment tank of jig platform seat, is not take up fixture switching time and fast accurate, and both having had usually needs
The fixture positioning function wanted, moreover it is possible to be adaptively adjusted running accuracy.
Compared with prior art, the utility model intelligence fixture switching system be based on robot control be used for convey,
Storage and switching fixture are to coordinate the system of industrial robot crawl, welding and spraying, and not only mechanical structure is flexible, in conjunction with intelligence
Control can realize that intelligent flexible produces, meet the versatility of fixture, automation, intelligent switching requirement, and significantly
Production efficiency is improved, production cost is effectively reduced.
Specific implementation mode
In the utility model preferred embodiment, a kind of intelligent fixture switching system is provided, refering to Figure 1, including
Warehouse compartment 1 and turntable 2, which is characterized in that the warehouse compartment includes The lifting and lowering Z-direction device 3, X to shifting carrying platform 4 and Y-direction warehouse compartment 5;It is described
Turntable 2 includes multiple switching platforms 6 and turntable driving 7;The motor driving part of the warehouse compartment 1 point is controlled by robot system, library
Position 1 is docked with some switching platform 6, remaining 7 continue working of switching platform.
Please refer to Fig. 2, Fig. 3 and Fig. 4, this fixture switching storage system for flexible production line include X to track 13,
X is to shifting carrying platform 4, Y-direction warehouse compartment 5, The lifting and lowering Z-direction device 3 and robot control system.Robot control system connects X to transfer
The servo motor of platform 4 and Y-direction warehouse compartment 5, to control shifting carrying platform and pull the tact of motion of trolley.Wherein, Y-direction warehouse compartment 5 is by Y
To track 8, bridge-type Y-direction support guide, pull trolley 9 and the auxiliary composition of bridge chair 12.For storing fixture and switching in fixture
When conveying fixture.Fixture X to be respectively equipped with cooperation X in Y-direction and draw bolt 11 and Y-direction to hook to draw the jack of bolt 10 to hooking.
Refering to Figure 1, arrow indicates the position and structure of several critical components.Y-direction warehouse compartment 5 is perpendicular to X to rail
Road 13 is arranged symmetrically and is located at X to the both sides of track 13.Each Y-direction warehouse compartment 5 by Y-direction track 8, bridge-type Y-direction support guide, drag
It drags trolley 9 and other matching components is constituted.X respectively arranges one group of The lifting and lowering Z-direction device 3 to shifting carrying platform 4 or so, with reference to shown in Fig. 2.
X can arbitrarily do back and forth movement in X to shifting carrying platform 4 to track 13.The front end for pulling trolley 9 is that warehouse compartment hooks drawing bolt, can be stretched
Contracting, fixture is imported Y-direction warehouse compartment 5 by the jack that can be caught on fixture from X to shifting carrying platform 4, when reverse(Switch from Y-direction warehouse compartment 5
To X to shifting carrying platform 4), pull trolley 9 and move to the tail portion of fixture and catch on the jack of tail portion, led by Y-direction support guide
X is to shifting carrying platform 4.Fixture is fallen on bridge-type Y-direction support guide 14 in warehouse compartment.Wherein, X to shifting carrying platform 4 be equipped with
The consistent Y directional rolling body in 14 directions of bridge-type Y-direction support guide, also, the height of bridge-type Y-direction support guide 14 is consistent with Y directional rolling body.
What the Y directional rolling body of bridge-type Y-direction support guide and X shifting carrying platforms 4 constituted that fixture mutually switches on warehouse compartment and shifting carrying platform cuts
Change path.
Referring to Fig. 2, without auxiliary bridge chair 12 and fixture in figure, The lifting and lowering Z-direction device 3 equipped with X to guiding, for supporting and
Guide clamp along X to moving, realized in a manner of idler wheel by guiding.It notices:Fixture is mutually cut on warehouse compartment and shifting carrying platform
When changing, it is located at low level to the The lifting and lowering Z-direction device 3 of 4 both sides of shifting carrying platform positioned at X, otherwise will causes to interfere.X is to before shifting carrying platform 4
End, which also is provided with hooking, draws bolt.Weight entirely falls within shifting carrying platform after fixture is switched to X on shifting carrying platform 4.
Referring to Fig. 3, quantity can indefinite extension to track 13 with no maximum, X in principle for Y-direction warehouse compartment 5.Fixture needs are cut
When changing to welding post, The lifting and lowering Z-direction device 3 rises to a high position, and jacking clamp disengages it from X to shifting carrying platform 4 so that X is to shifting
Carrying platform 4 can be moved to the tail portion of fixture below fixture, draw bolt to catch on fixture by hook and urge it into welding post.Machine
The driving quantity that device people's switch board controls in principle determines that in general a set of switch board controls a set of library according to practical type selecting
Position.When increasing multiple Y-direction warehouse compartments 5 and X to track 13, the quantity of robot control cabinet accordingly increases, such splicing
Warehouse compartment is flexible and changeable, and it is small to make limitation when conceptual design.It is also communication connection between difference set robot control cabinet.Moreover, can
To realize the arbitrary combination in size library, facilitate repair and installation.And versatility is stronger.It is more common with traditional switching warehouse compartment
Property is stronger, does not limit excessively fixture size and load weight.
Fig. 4 and Fig. 5 are please referred to, X is realized to the lifting for being oriented to 17 mainly by the structure of " idler wheel+wedge block ".It is specific as follows:
The component that The lifting and lowering Z-direction device 3 includes has:X to cylinder 19 and is fixed on X to 17, Z-direction cylinder 18, Z-direction support wheel 20, X is oriented to
To the wedge block for being oriented to 17 lower sections.Z-direction support wheel 20 is designed to be driven to move on direction in X from X to cylinder 19, and
It is in rolling contact with the wedge-shaped surface of wedge block 16.Z-direction cylinder 21 is arranged in X to the both sides for being oriented to 17, is responsible for driving X to guiding 17
Movement on Z-direction direction.Moreover, the side of one of Z-direction cylinder 21 is equipped with Z-direction travel switch, it is fixed on Z-direction sensor
On mounting bracket 15, for detecting X to the lifting displacement for being oriented to 17 and feeding back to robot controller.X is to the stroke pole of cylinder 19
Extreme position is switched equipped with X to stroke 17, is fixed on X on sensor mount, auxiliary for detecting the movement of Z-direction support wheel 20
Help detection X to the lifting degree for being oriented to 17.In addition to this, X to be oriented to 17 both sides be also equipped with limit, it is ensured that when lifting there is no
It hits and wears.And this design environmental protection and energy saving, it is efficient.It please refers to shown in Fig. 5, The lifting and lowering Z-direction device is also equipped with protective cover
22, first, preventing dust or sundries from entering;Second is that because beautiful.
Please refer to Fig. 6, Fig. 7 and Fig. 8, it is shown that a kind of welding turntable, including bottom support, switching platform, zero position
Platform and the control unit being connect with robot control cabinet.Switching platform is circumferentially spaced 90 ° of arrangements, and what centre was exposed is electricity
Machine, to drive switching platform to rotate.
Referring to Fig. 6, bottom support can be divided into 3 layers:1st layer is turntable mounting base 23, is arranged 24 on framework connecting piece,
Circumferentially 90 ° of outside spacers arrangements is zero position platform 25 around it;2nd layer is turntable motor 28, is connected to control
Unit controls turntable rotation angle by robot;Third layer is for connection to and fixes 26 He of central frame of switching platform
Fixture always supports 27, and wherein central frame 26 is mounted on the center of fixture always support 27, and fixture always supports 27 and uniformly divided by central frame 26
It is cut into 4 orientation.
Referring to Fig. 7, switching platform is equipped with R is oriented to 41, R to bullet bolt 29, Z-direction bullet bolt to 34, Z-direction is oriented to
30, multigroup fixed idler whell 31, fixed frame 32 and cover board 33.Under normal station, switching platform is being placed exactly in zero position platform just
Top, the two position correspond to.Four side surfaces of central frame are respectively arranged one group of R to bullet bolt 29, when switching fixture, R
Withstanding fixture to bullet bolt 29 enables it to catch on fixture to dragging trolley 9 is moved to along R towards the increased direction of turntable radius
Position, it is device for transporting fixture to pull trolley 9.
Referring to Fig. 8, mainly support wheel 36, roller mount 37, cylinder 38, zero position slot 39 and zero-bit bolt 40.
It please refers to shown in Fig. 9, it is shown that the detailed configuration of switching platform.Switching platform is by jig platform seat and to be oriented to peace
It fills seat to constitute, is equipped with limited roller 42.Jig platform seat is fixed in fixture always support, and a side surface resists central frame and consolidates
It is fixed.It is to float to be oriented to mounting base then, intersects and is nested in jig platform seat with jig platform seat.Multigroup fixed idler whell
It is arranged on fixed frame, fixed frame is located at jig platform seat, and effect is the idler wheel when fixture falls by dead weight in switching platform
It will resist on the inside of fixture so that fixture does not move easily;And 4 fixed frames firmly block fixture as the supporting point of fixture
On jig platform seat.Before fixture is fallen, Z-direction bullet bolt, which can rise, sticks fixture, helps the position of clamping fixture for correcting.Zero
The zero-bit bolt of position alignment slot and zero position platform corresponds to, for carrying out zero position.R is oriented to 41 dresses to guiding 34 and Z-direction
It is being oriented to mounting base.Wedge shaped support is packaged in the bottom surface for being oriented to mounting base.
Referring to Fig. 10, the both sides of zero position platform are equipped with R direction guiding rails 34, roller mount 37 is installed on sliding block.Roller mount
37 can be in guide rail upper edge R to movement from the driving of cylinder 38.There are two groups of support wheels, one group of support wheel to correspond to zero-bit pair in roller mount
Quasi- slot, another group of support wheel correspond to wedge shaped support block, and lower section is support base 43.
It please refers to shown in Fig. 8, it is shown that the position relationship of zero position platform and switching platform after zero position.Such as Fig. 8
Shown, after the completion of alignment, zero-bit bolt is inserted in zero position slot, and one group of support wheel withstands the both side surface of zero position slot,
The projection portion of zero position slot.Another group of support wheel withstands on the wedge-shaped surface of wedge shaped support block.
1 is please referred to Fig.1, is the parts thereof rough schematic view of zero position platform and switching platform, under main introduction
Relative position relation includes mainly fixture mounting base 45, idler wheel 44 and floating guiding mounting base 46.
It please refers to Fig.1 shown in 2,12a:Zero position platform is not operating, and turntable is rotatable.12b :Zero position platform
Start to act, cylinder pushing rolling wheels seat is moved along R to towards the increased direction of turntable radius, and one group of support wheel is along zero position slot
Bottom surface roll, one group of support wheel along wedge shaped support block wedge-shaped surface roll so that floating guiding mounting base rise.12c:
Zero position platform execution.Turntable can start to switch fixture.
It please refers to Fig.1 shown in 3,13a:Zero position platform is not operating, and turntable is non-rotatable.13b :Zero position is flat
Platform starts to act, and cylinder pushing rolling wheels seat is moved along R to the direction reduced towards turntable radius, and one group of support wheel is along zero position
The bottom surface of slot rolls, and one group of support wheel is rolled along the wedge-shaped surface of wedge shaped support block so that floating guiding mounting base declines.13c
:Zero position platform execution.Turntable can be rotated to welding post.
The utility model further relates to a kind of control method of intelligence switching fixture.Robot control system synchronous control, it is real
Existing warehouse compartment and turntable are linked.Turntable portion is designed with 4 welding job positions, and at most turntable can place 4 fixtures simultaneously.
The process of fixture switching:
One, X is unloaded to shifting carrying platform and is moved to turntable and docks place, while turntable portion rotation, a certain waiting with warehouse compartment
The switching platform of switching, which is rotated into, to be docked with X to shifting carrying platform.Then, the cylinder on zero position platform along R to pushing rolling wheels
Seat is mobile(I.e. along R to towards the increased direction of turntable radius):
1)As the R of roller mount is to movement, one group of support wheel is on the surface of wedge shaped support block along the wedge-shaped increased side of height
To movement, the guiding mounting base of floating is jacked up therewith in Z-direction, falls the fixture on the fixed idler whell of fixture mounting base originally,
After the guiding mounting base of floating jacks up, fixture is detached from the constraint of fixed idler whell, and weight then falls upward in guide R(It is oriented to
The Z-direction of mounting base is oriented to as the guiding for being oriented to mounting base when Z-direction jacks up).
2)As the R of roller mount is to movement, another group of support wheel moves on the surface of the protrusion of zero position slot so that rolling
Zero-bit bolt on wheel seat injects zero position slot.When turntable motor is there are when small rotation error, zero position platform can
To complete the adjustment of turntable precision.
Two, The lifting and lowering Z-direction device rises to a high position at this time, and Xs of the X on shifting carrying platform catches on the " long of fixture to drawing bolt is hooked
Fixture is dragged to The lifting and lowering Z-direction device by waist-shaped hole " to be switched platform, and to be switched platform is vacant.At this time in The lifting and lowering Z-direction device
X plays the role of support fixture and guiding as from fixture X to movement to guiding.
Three, The lifting and lowering Z-direction device drops to low level, and clamp weight entirely falls within X on shifting carrying platform.X is to shifting carrying platform support
It carries the fixture that this switches and is moved to vacant a certain Y-direction warehouse compartment.
Four, the Y-direction of the dragging trolley of the Y-direction warehouse compartment, which hooks, draws bolt to catch on " long waist-shaped hole " on fixture, and fixture is dragged to
On the bridge-type Y-direction support guide of the Y-direction warehouse compartment, Y directional rolling bodies and bridge-type Y-direction of the X on shifting carrying platform, which are oriented to, constitutes fixture movement
Track.
Five, X is unloaded again to shifting carrying platform and is moved to and has specified fixture(New fixture)Y-direction warehouse compartment, the warehouse compartment
Dragging trolley new fixture is dragged to X to shifting carrying platform, X is moved again to turntable portion to shifting carrying platform and is docked with warehouse compartment part
Place.
Six, The lifting and lowering Z-direction device rises to a high position again, jacks up new fixture and disengages it from X to shifting carrying platform.
Seven, X is moved to the tail portion of new fixture to shifting carrying platform below new fixture, and X draws bolt to catch on fixture and drags to hook
Dynamic fixture is moved to vacant to be switched platform from The lifting and lowering Z-direction device.
Eight, after new fixture imports, the cylinder of zero position platform is shunk(Along R to the direction reduced towards turntable radius),
Pull roller mount movement:
1)As the R of roller mount is to movement, one group of support wheel is on the surface of wedge shaped support block along the side that wedge-shaped height reduces
To movement, the guiding mounting base of floating declines therewith in Z-direction, falls the fixture on the fixed idler whell of fixture mounting base originally, when
After the guiding mounting base of floating declines, fixture is detached from constraints of the R to guiding, and weight is then fallen on fixed idler whell(It is oriented to peace
The Z-direction for filling seat is oriented to as the guiding for being oriented to mounting base when Z-direction declines).
2)As the R of roller mount is to movement, another group of support wheel moves on the surface of the protrusion of zero position slot so that rolling
Zero-bit bolt on wheel seat is detached from zero position slot.
Pay attention to:Limited roller plays the role of limiting new fixture, and movement is excessive when preventing new fixture from importing, and position is not
It is accurate.
Limited roller and fixed idler whell, which match, plays the role of stationary fixture.
Nine, turntable is rotated to assigned work position.
4 are please referred to Fig.1, is fixture handover scheme when a welding post is only set.
Warehouse compartment and turntable arrangement are as shown in figure 14.Turntable portion includes tetra- switching platforms of ABCD.The toggle bit of fixture and
The working position of robot is as shown in figure 13.
Assuming that carrying out the production of A class vehicles, platform B is placed with A classes fixture 47 to coordinate robot welding.It deposits warehouse compartment part
Contain 4 sets of B classes fixtures 48, corresponding B class vehicles.Platform D is docked in toggle bit with warehouse compartment part.If production is B classes in next step
Certain a set of B classes fixture 48 is then switched to platform D by vehicle in advance.After the completion of the productive temp for waiting for A class vehicles, turntable rotation
180 ° so that platform D is rotated to working position.The sustainable work of robot, is not take up productive temp.And turn to the flat of toggle bit
Platform B then continues A class fixtures being switched to warehouse compartment to store.Arrow is directed toward the different phase state for indicating fixture switching system.
5 are please referred to Fig.1, the handover scheme A of fixture when being provided with 2 welding posts.Warehouse compartment and turntable arrangement such as Figure 15
It is shown.2 working positions are mutually perpendicular to arrange.
Assuming that the flexible production line produces two kinds of vehicles of A classes and B classes successively.Platform A has B classes spare part 49, i.e. B classes in advance
Fixture 48.2 working positions are platform C and platform B respectively.When A class vehicles produce, platform D carries out piece uploading, i.e. B classes fixture is cut
Change to platform D.Turntable rotates 180 ° so that platform A and platform D is located at working position.Flexible production line starts to produce B class vehicles.
Platform B then carries out lower part, i.e. A classes fixture is switched to warehouse compartment to store.Then platform B carries out piece uploading, i.e., a set of B classes fixture quilt
Platform B is switched to make spare part.Turntable is rotated by 90 ° so that platform C is located at toggle bit, and A class fixtures are switched to warehouse compartment to store
And another set of B classes fixture 48 is switched to platform C to make spare part.Direction indicated by arrow is that fixture switching system is vertical at 2
State change flow under welding post scheme.
It please refers to Fig.1 shown in 6, the handover scheme B of fixture when being provided with 2 welding posts.Warehouse compartment and turntable such as Figure 16
It is shown.2 working positions are arranged symmetrically.Assuming that the flexible production line produces A classes and B class vehicles successively.Platform B has B in advance
Class spare part 49.2 working positions are platform A and platform C respectively.When A class vehicles produce, platform D piece uploadings, B classes fixture 48 is switched
To platform D.Turntable is rotated by 90 ° so that platform D and platform B is located at working position.Flexible production starts to produce B class vehicles.Platform A
Lower part, A class fixtures are switched to warehouse compartment storage;Then platform A piece uploadings, it is standby to make that a set of B classes fixture 48 is switched to platform A
Part.Turntable rotates 180 ° so that platform C is located at toggle bit, and A class fixtures are then switched to warehouse compartment to store and by another set of B
Class fixture is switched to platform C to make spare part.Direction indicated by arrow is fixture switching system in the case where 2 are symmetrically welded station scheme
State change flow.In the case of 2 welding posts above, fixture uses in pairs.
7 are please referred to Fig.1, the handover scheme of fixture when being provided with 3 welding posts.Platform A, C, B are respectively set one
Working position.Warehouse compartment part is stored with 3 sets of B classes fixtures 48.Turntable portion has 3 sets of A classes fixtures 47 to put into production.When work switches, turn
Platform is rotated by 90 ° every time according to productive temp, A class fixtures is switched to warehouse compartment successively, and B classes fixture 48 is switched to working position.
In conclusion the utility model intelligence fixture switching system be based on robot control be used for convey, store and
Switching fixture is to coordinate the system of industrial robot crawl, welding and spraying, and not only mechanical structure is flexible, in conjunction with intelligent control energy
Enough realize intelligent flexible production, meet the versatility of fixture, automation, intelligent switching requirement, and substantially increase
Production efficiency effectively reduces production cost.
The above is only the most preferred embodiment of the utility model, is not made in any form to the utility model
Limitation, any technical person familiar with the field, in the case where not departing from technical solutions of the utility model ambit, utilization is above-mentioned
The method content of announcement makes many possible changes and modifications to technical solutions of the utility model, belongs to claims guarantor
The range of shield.