CN108750574A - A kind of reducing support compression positioning device - Google Patents
A kind of reducing support compression positioning device Download PDFInfo
- Publication number
- CN108750574A CN108750574A CN201811009428.7A CN201811009428A CN108750574A CN 108750574 A CN108750574 A CN 108750574A CN 201811009428 A CN201811009428 A CN 201811009428A CN 108750574 A CN108750574 A CN 108750574A
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- Prior art keywords
- turntable
- gear
- pressure hook
- pin
- hook
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a kind of reducing support compression positioning devices, including reducing dowel mechanism and hold-down mechanism, reducing dowel mechanism includes multiple pin pawls, turntable, rotary disk basement, protective cover and turntable actuating unit, pin pawl is connect by pin pawl seat with turntable, multiple pin pawls are uniformly distributed, the outer profile of multiple pin pawls forms positioning column, hold-down mechanism includes pressure hook, pressure hook seat and pressure hook actuating unit, the top of pressure hook is equipped with hook portion, the hook portion sequentially passes through rotary disk basement and the centre bore of turntable is matched with the pin pawl, pressure hook actuating unit includes power mounting base, first rack, first gear, worm gear, worm screw and for drive worm screw rotate driving mechanism.The present invention can be directed to the size of vehicle body location hole of different automobile types and the thickness of Auto-body Panel is adjusted positioning, compresses, it is cost-effective, reduce the wasting of resources, and the Auto-body Panel of different-thickness can be compressed after positioning column adjustment, safety and the stability for increasing vehicle body conveying, avoid safety accident.
Description
Technical field
The present invention relates to a kind of reducing support compression positioning devices, belong to manufactruing equipment of automobile technical field.
Background technology
To meet the diversified demand of automobile consumer, major car manufactures constantly shorten transformation period, accelerate car type
Update.Therefore weld car equipment functionally tends to flexibility.Track trolley is conveyed as a kind of common mode of movement,
Meeting the trolley design of more multi-vehicle-type becomes particularly important.Determine as shown in Figure 1 for single-type automated production trajectory trolley
Position support latch structure, the diameter dimension for positioning supporting pin is determined according to the location hole of current vehicle, immutable, once therefore track
A kind of vehicle can only be adapted to after the completion of the positioning supporting pin of trolley, if vehicle is replaced, it is suitable to require to remake size
Supporting pin is positioned, therefore different trolleys is developed for different automobile types, waste of resource improves cost, occupied space, it has not been convenient to deposit
It puts；Existing vehicle body, which is placed on only to insert by the positioning supporting pin on vehicle body location hole and track trolley on track trolley, to be coordinated
It is positioned, after positioning, vehicle body relies primarily on the in-orbit road trolley of vehicle body Gravity support, can add to vehicle body after positioning
Work, when needing track trolley to convey, if track trolley jolts in transmission process, track trolley conveys vehicle body, and there are defeated
Unstable situation is sent, safety accident occurs in the risk for being detached from positioning supporting pin there are vehicle body.Although there are also existing hold-down mechanism,
But presently, there are hold-down mechanism mostly be it is independent, can not with positioning supporting pin be combined, support with compression independently install,
Influence the location efficiency of vehicle body on track trolley；Even existing hold-down mechanism can be combined with positioning supporting pin, hold-down mechanism
Also mostly is to use three point on a straight line self-locking, can only compress a kind of thickness of the Auto-body Panel of vehicle, and can only support a kind of vehicle
Positioning supporting pin match, it is clear that can not also solve the compression of the Auto-body Panel thickness of different automobile types.
Invention content
The present invention in view of the deficienciess of the prior art, provide it is a kind of simple in structure, it is easy to operate, not only can reducing adapt to
Different automobile types position, and can the conveying of in-orbit road trolley when reducing support compression positioning device that the stamping parts of vehicle body is compressed.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of reducing support compression positioning device, including become
Diameter dowel mechanism and hold-down mechanism, the reducing dowel mechanism include multiple pin pawls, turntable, rotary disk basement, protective cover and use
In the turntable actuating unit of driving disc rotation, the pin pawl is connect by pin pawl seat with the turntable, and multiple pin pawls are equal
The outer profile of even distribution, multiple pin pawls is formed for positioning column compatible with vehicle body location hole, and the turntable is set to institute
It states on rotary disk basement, and is rotated relative to the turntable, the protective cover is arranged on the outside of the turntable, and connects with the rotary disk basement
It connects, the upper surface of the protective cover is equipped with multiple radial notches for installing the pin pawl seat, on the upper surface of the turntable
Equipped with turntable screw thread, the bottom of the pin pawl seat be equipped with the matched key seat screw thread of the turntable screw thread, it is dynamic in the turntable
Under force mechanisms effect, the turntable rotation adjusts the outer diameter size of the positioning column；
The hold-down mechanism includes pressure hook, pressure hook seat and pressure hook actuating unit, and the rotary disk basement is mounted on the pressure hook seat
On, the top of the pressure hook is equipped with hook portion, and the hook portion sequentially passes through the centre bore of the rotary disk basement and turntable and the pin pawl
It matches, the pressure hook actuating unit includes power mounting base, the first rack in power mounting base, first gear, snail
Wheel, worm screw and the driving mechanism for driving worm screw to rotate, the power mounting base are mounted on the pressure hook seat, the pressure hook
Top it is hinged by a pair of of synchronising (connecting) rod and the pin pawl seat, the lower part of the pressure hook is stretched into the pressure hook seat, and with set
Hinged in one end of the kinematic link in the pressure hook seat, the other end of the kinematic link is hinged with first rack, institute
It states first gear to engage with first rack, the first gear is mounted on first gear axis, and the worm gear is arranged in institute
It states on first gear axis.First rack, first gear axis and the bar axis of worm screw are moved by bearing or axle sleeve with described respectively
Power mounting base connects.
The beneficial effects of the invention are as follows：By turntable rotation realize multiple pin claw types at positioning column outer diameter change, turn
Disk is threadedly coupled with pin pawl seat, and disk upper surface is equipped with turntable screw thread, and pin pawl seat bottom is equipped with and the matched pin of turntable screw thread
Seat screw thread, screw thread have self-locking function, can ensure that the outer diameter of positioning column is constant when pin pawl is by external force once adjustment, can be steady
Fixed support positioning vehicle body location hole；The hook portion of pressure hook can be retracted into inside pin pawl, not influence under the action of pressure hook actuating unit
It sells pawl and passes in and out vehicle body location hole, positioning column and the installation of vehicle body location hole will not be interfered to position；The outer side compression of extended pin pawl is not
With the different-thickness Auto-body Panel of vehicle.Turntable rotates under the action of turntable actuating unit relative to rotary disk basement, adds
Pin pawl seat is threadedly coupled with turntable, and is sold pawl seat and be mounted in the radial notch of protective cover, and when turntable rotates, pin pawl radially moves
It is dynamic, to realize multiple pin claw types at positioning column outer diameter adjustment；Worm screw rotates under the action of driving mechanism, and by power
Worm gear is passed to, worm gear is arranged on first gear axis, and to drive first gear to rotate, the first rack is nibbled with first gear
It closes, first gear is supported on by bearing or axle sleeve in power mounting base, therefore the first rack acts above and below, and by being cut with scissors with it
The kinematic link driving pressure hook connect acts above and below, and since pressure hook top is connect by synchronising (connecting) rod with pin pawl seat, therefore pressure hook is upward
It can be retracted the inside of positioning column while mobile to the internal actions of positioning column, hook portion or while pressure hook moves down
Can be to the external mobile of positioning column, hook portion can stretch out the outside of positioning column, to realize the hook portion of pressure hook towards the interior sidesway of pin pawl
There is self-locking function can guarantee that pressure hook stablizes pressure for dynamic releasing orientation and the impaction state stretched out to the outside of pin pawl, worm and gear
Tight state；Turntable rotation adjustment positioning column outer diameter, pressure hook can be acted with pin pawl, and the inside for selling the hook portion retraction positioning column of pawl will not
The disengaging for influencing positioning column and vehicle body location hole coordinates, will not interfere multiple pin claw types at positioning column and vehicle body location hole
Installation；After positioning column outer diameter adjusts, vehicle body location hole coordinates with positioning column inserting, the effect of pressure hook actuating unit, hook portion
The outside for stretching out positioning column, is compressed according to the Auto-body Panel of different-thickness.In short, the configuration of the present invention is simple, operation side
Just, it can be directed to the outer diameter of the size adjustment positioning column of the vehicle body location hole of different automobile types, it can be according to the thickness pair of Auto-body Panel
Vehicle body is compressed, and accurate positioning, and different support positioning pins or even different track trolleys, section are equipped with without different automobile types
About cost reduces the wasting of resources, is conducive to the storage of track trolley, while hold-down mechanism will not interfere the disengaging positioning of vehicle body location hole
Column is compressed the Auto-body Panel of different-thickness by hold-down mechanism after vehicle body location hole and positioning column installation, it is defeated to increase vehicle body
The safety sent and stability, avoid safety accident.
Based on the above technical solution, the present invention can also be improved as follows.
Further, line forms parallel four to a pair of synchronising (connecting) rod successively with the hinge joint of the pressure hook and pin pawl seat
Side shape structure.
Advantageous effect using above-mentioned further scheme is that there are four hinge joint, four hinge joints altogether for a pair of of synchronising (connecting) rod
Line forms parallelogram sturcutre successively, to realize that two kinds stretched out outside pin pawl are sold in pawl and compressed to the release retraction of pressure hook
Action state.
Further, the hook portion is equipped with and the matched hook portion sliding slot of the pin pawl.
Advantageous effect using above-mentioned further scheme is that hook portion card slot is corresponding with the engaging of pin pawl, has guiding role, together
When pressure hook hook portion stretch out pin pawl on the outside of when hook portion respectively by pin pawl both sides stretch out, accurate positioning, and compress it is more strong.
Further, it is equipped with connecting rod mounting plate with the inside of the matched pin pawl seat of the pressure hook.
Advantageous effect using above-mentioned further scheme is that multiple pin pawls will realize different positioning column outer diameters, therefore connecting rod is pacified
Loading board is positioned only at the inside of the pin pawl coordinated with pressure hook, that is, avoids the adjustment for influencing positioning column outer diameter, while realizing synchronous company
The installation of bar.
Further, the top of the connecting rod mounting plate and the pressure hook be all equipped with for respectively with a pair of synchronous company
The hinged synchronising (connecting) rod mounting hole of bar.
Advantageous effect using above-mentioned further scheme is to realize the installation of synchronising (connecting) rod, and specific a pair of synchronising (connecting) rod can
It is mounted on synchronising (connecting) rod mounting hole by swivel pin respectively.
Further, the lower part of the pressure hook is equipped with for the kinematic link mounting hole hinged with the kinematic link.
Advantageous effect using above-mentioned further scheme is to be convenient for the installation of kinematic link, specific kinematic link that can pass through
Axis pin is mounted on kinematic link mounting hole.
Further, the pin pawl seat includes vertical support portion and horizontal connection portion, and the pin pawl is mounted on described vertical
The top of the inside of support portion, the vertical support portion is planar structure, and the both sides in the horizontal connection portion are equipped with and the diameter
To the matched groove of notch, the section in the horizontal connection portion is in I-shaped structure, and the key seat screw thread is arranged in the water
The bottom in flushconnection portion.
Advantageous effect using above-mentioned further scheme is the groove of the protective cover and horizontal connection portion that form radial notch
The longitudinal section of engaging, horizontal connection portion is in I-shaped structure, the activity of upper part and lower part all to pin pawl seat in radial notch
It is limited, not only ensure that the connection with protective cover, but also met pin pawl seat and make radial direction along the radial notch direction of protective cover
It is mobile, and the lower part in horizontal connection portion not only has position-limiting action, and also lower surface has the turntable screw thread with disk upper surface to match
The convert rotational motion of turntable is moving radially for pin pawl by the key seat screw thread of conjunction.
Further, the turntable is connect by bearing or oil-free bushing with the rotary disk basement.
Advantageous effect using above-mentioned further scheme is that turntable can be connect with mounting base by bearing, can also be passed through
Oil-free bushing connects, and to realize that the relative motion of turntable and mounting base, rotation portion use wear-resistant material, ensure that transmission is high
Steadily, it ensure that positional precision, increase turntable and the service life being mounted on, maintenance cost are low.
Further, the driving mechanism includes driving cylinder, and the piston rod of the driving cylinder is equipped with the second rack,
The bar axis of the worm screw is equipped with second gear, and second rack is engaged with second gear.
Advantageous effect using above-mentioned further scheme is that the cylinder body of cylinder is driven to be mounted in power mounting base, second
Rack is connect by bearing or axle sleeve with the power mounting base.Cylinder will be driven by the setting of the second rack and second gear
Power pass to worm screw so that worm screw obtain rotational power.
Further, the driving mechanism includes servo motor, the bar of the output shaft of the servo motor and the worm screw
Axis connection.
Advantageous effect using above-mentioned further scheme is that servo motor is mounted in power mounting base.Worm screw is directly pacified
On the output shaft of servo motor, servo motor rotation drives worm screw rotation, and it is more direct that worm screw obtains power.Servo simultaneously
Motor itself also coordinates the impaction state that the self-lock ability of worm and gear can guarantee that pressure hook is stablized again with self-locking function.
Further, the turntable actuating unit includes disk gear, turntable transmission gear and rotary tray motor, the turntable
Motor is mounted on the rotary disk basement, and the turntable transmission gear is arranged on the output shaft of the rotary tray motor, the turntable
Gear is arranged on the outer circumference surface of the turntable, and the disk gear is engaged with the turntable transmission gear.
Advantageous effect using above-mentioned further scheme is, since hold-down mechanism is arranged in the lower section of turntable, therefore in order to
Better driving disc rotation, therefore disk gear is set in the outer surface of turntable, disk gear is engaged with turntable transmission gear,
Turntable realizes rotation under the action of rotary tray motor.
Further, the outside of the turntable transmission gear is equipped with gear protective cover.
Advantageous effect using above-mentioned further scheme is that the protective cover is mounted on the shell of rotary tray motor, is used for
Transmission gear and disk gear and the turntable transmission gear position of engagement are protected, avoids welding slag from entering in actuating unit, influences to move
The action of force mechanisms and service life.
Further, the mounting base is equipped with mounting bracket.
Advantageous effect using above-mentioned further scheme is to facilitate the positioning device being mounted on track trolley.
Description of the drawings
Fig. 1 is the main structure diagram of the embodiment of the present invention 1；
Fig. 2 is the left view structural representation of the embodiment of the present invention 1；
Fig. 3 is the overlooking structure diagram of the embodiment of the present invention 1；
Fig. 4 is the structural schematic diagram that the embodiment of the present invention 1 opens power mounting base；
Fig. 5 is 1 pressure hook dynamic structure schematic diagram of the embodiment of the present invention；
Fig. 6 is the structural schematic diagram that the embodiment of the present invention 1 opens pressure hook seat；
Fig. 7 is the main structure diagram of 1 pressure hook releasing orientation of the embodiment of the present invention；
Fig. 8 is the overlooking structure diagram of 1 pressure hook releasing orientation of the embodiment of the present invention；
Fig. 9 is the left view structural representation of 1 pressure hook releasing orientation of the embodiment of the present invention；
Figure 10 is the structural schematic diagram of 1 hold-down mechanism of the embodiment of the present invention；
Figure 11 is the structural schematic diagram of 1 pressure hook actuating unit of the embodiment of the present invention；
Figure 12 is the dimensional structure diagram of inventive pin pawl；
Figure 13 is the main structure diagram of inventive pin pawl；
Figure 14 is the overlooking structure diagram of inventive pin pawl；
Figure 15 is the structural schematic diagram of pressure hook of the present invention；
Figure 16 is the structural schematic diagram of turntable of the present invention；
Figure 17 is the structural schematic diagram of the turntable of present invention installation oil-free bushing；
Figure 18 is the structural schematic diagram of rotary disk basement of the present invention；
Figure 19 is the main structure diagram of protective cover of the present invention；
Figure 20 is the left view structural representation of protective cover of the present invention；
Figure 21 is the structural schematic diagram on the top of pressure hook seat of the present invention；
Figure 22 is the structural schematic diagram of pressure hook seat of the present invention lower part；
Figure 23 is the structural schematic diagram of power mounting base of the present invention；
Figure 24 is that the embodiment of the present invention 1 compresses a kind of main structure diagram of model Auto-body Panel；
Figure 25 is that the embodiment of the present invention 1 compresses a kind of overlooking structure diagram of model Auto-body Panel；
Figure 26 is that the embodiment of the present invention 1 compresses a kind of left view structural representation of model Auto-body Panel；
Figure 27 is the main structure diagram that the embodiment of the present invention 1 compresses another model Auto-body Panel；
Figure 28 is the right side structural representation that the embodiment of the present invention 1 compresses another model Auto-body Panel；
Figure 29 is the main structure diagram of the embodiment of the present invention 2；
Figure 30 is the overlooking structure diagram of the embodiment of the present invention 2；
Figure 31 is the left view structural representation of the embodiment of the present invention 2；
In figure, 1, pin pawl；2, turntable；3, rotary disk basement；4, protective cover；5, pawl seat is sold；51, vertical support portion；52, horizontal to connect
Socket part；53, groove；6, radial notch；7, turntable screw thread；8, key seat screw thread；9, pressure hook；10, pressure hook seat；11, cylinder is driven；
12, hook portion；13, synchronising (connecting) rod；14, kinematic link；15, hook portion sliding slot；16, connecting rod mounting plate；17, synchronising (connecting) rod mounting hole；
18, kinematic link mounting hole；19, rotary tray motor；20, turntable transmission gear；21, disk gear；22, gear protective cover；23, pacify
Fill holder；24, Auto-body Panel；30, oil-free bushing；31, power mounting base；32, the first rack；33, first gear；34, snail
Wheel；35, worm screw；36, first gear axis；37, the second rack；38, second gear；39, servo motor.
Specific implementation mode
Principles and features of the present invention are described below in conjunction with example, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Embodiment 1, as shown in Fig. 1-Figure 28, a kind of reducing support compression positioning device, including reducing dowel mechanism and
Hold-down mechanism, the reducing dowel mechanism include multiple pin pawls 1, turntable 2, rotary disk basement 3, protective cover 4 and are used for driving disc
The turntable actuating unit of rotation, the pin pawl are connect by pin pawl seat 5 with the turntable, and multiple pin pawls are uniformly distributed, more
The outer profile of a pin pawl is formed for positioning column compatible with vehicle body location hole, and the top of multiple pin pawl seats is formed
It is used to support the positioning supporting surface of vehicle body, the turntable is set on the rotary disk basement, and is rotated relative to the turntable, described anti-
Shield setting is connect on the outside of the turntable, and with the rotary disk basement, and the upper surface of the protective cover is used to install equipped with multiple
The radial notch 6 of the pin pawl seat, the upper surface of the turntable are equipped with turntable screw thread 7, the bottom of the pin pawl seat be equipped with
The matched key seat screw thread 8 of turntable screw thread, under turntable actuating unit effect, the turntable rotation adjustment is described fixed
The outer diameter size of position column；
The hold-down mechanism includes 9 hooks of pressure, pressure hook seat 10 and pressure hook actuating unit, and the rotary disk basement 3 is mounted on the pressure
On hook seat 10, the top of the pressure hook is equipped with hook portion 12, the hook portion sequentially pass through the centre bore of the rotary disk basement and turntable with
The pin pawl matches, the pressure hook actuating unit include power mounting base 31, the first rack 32 in power mounting base,
First gear 33, worm gear 34, worm screw 35 and the driving mechanism for driving worm screw to rotate, the power mounting base are mounted on described
On pressure hook seat, the top of the pressure hook is hinged by a pair of of synchronising (connecting) rod 13 and the pin pawl seat 5, and the lower part of the pressure hook is stretched into
In the pressure hook seat, and, the other end of the kinematic link hinged with one end of the kinematic link 14 in the pressure hook seat
Hinged with first rack 32, the first gear 33 is engaged with first rack 32, and the first gear is mounted on the
On one gear shaft 36, the worm gear 34 is arranged on the first gear axis.Under the action of pressure hook actuating unit, the pressure hook
Hook portion unclamp or compression action.First rack, first gear axis and the bar axis of worm screw respectively by bearing or axle sleeve with
The power mounting base connection.
The hook portion 12 is equipped with and the matched hook portion sliding slot of the pin pawl 15.Hook portion card slot is corresponding with the engaging of pin pawl, tool
There is guiding role, while hook portion is stretched out by pin pawl both sides respectively when the hook portion of pressure hook is stretched out on the outside of pin pawl, accurate positioning, and press
It is tight more strong.
Line forms parallelogram successively for a pair of synchronising (connecting) rod 13 and the pressure hook 9 and the hinge joint of pin pawl seat 5
Structure.A pair of of synchronising (connecting) rod is altogether there are four hinge joint, and line forms parallelogram sturcutre to four hinge joints successively, to realize
In the release retraction pin pawl of pressure hook and compression stretches out the action outside pin pawl.
It is equipped with connecting rod mounting plate 16 with 5 insides of the matched pin pawl seat of the pressure hook.Multiple pin pawls will be realized not
With positioning column outer diameter, therefore connecting rod mounting plate is positioned only at the inside of the pin pawl coordinated with pressure hook, that is, avoids influencing positioning column outer diameter
Adjustment, while realizing the installation of synchronising (connecting) rod.
The connecting rod mounting plate 16 is equipped with for connecting rod mounting hole 17 hinged with a pair of of synchronising (connecting) rod 13 respectively.
The top of the pressure hook 9 is equipped with for connecting rod mounting hole 17 hinged with a pair of of synchronising (connecting) rod 13 respectively.It realizes same
The installation of connecting rod is walked, specific a pair of synchronising (connecting) rod can be mounted on by swivel pin on synchronising (connecting) rod mounting hole respectively.
The lower part of the pressure hook is equipped with for the kinematic link mounting hole 18 hinged with the kinematic link.Connect convenient for transmission
The installation of bar, specific kinematic link 14 can be mounted on by axis pin on kinematic link mounting hole.
The pin pawl seat 5 includes vertical support portion 51 and horizontal connection portion 52, and the pin pawl is mounted on the vertical support
The top of the inside in portion, the vertical support portion is planar structure, and multiple planar structures form the positioning branch for being used to support vehicle body
The both sides in support face, the horizontal connection portion are equipped with and the matched groove 53 of the radial notch, section in the horizontal connection portion
Face is in I-shaped structure, and the bottom in the horizontal connection portion is arranged in the key seat screw thread.Formed radial notch protective cover with
The groove in horizontal connection portion engages, and the longitudinal section in horizontal connection portion is in I-shaped structure, and upper part and lower part all exist to pin pawl seat
Activity in radial notch is limited, and not only ensure that the connection with protective cover, but also meets diameter of the pin pawl seat along protective cover
Moved radially to notch direction, and the lower part in horizontal connection portion not only have position-limiting action, but also lower surface have on turntable
The convert rotational motion of turntable is moving radially for pin pawl by the key seat screw thread of the turntable screw-thread fit on surface.
The turntable is connect by bearing or oil-free bushing 30 with the rotary disk basement.Turntable can be connected with mounting base by bearing
It connects, can also be connected by oil-free bushing, to realize that the relative motion of turntable and mounting base, rotation portion use wear-resisting material
Material ensure that transmission is high steady, ensure that positional precision, the service life for increasing turntable and being mounted on, and maintenance cost is low.
The driving mechanism includes driving cylinder 11, and the piston rod of the driving cylinder is equipped with the second rack 37, described
The bar axis of worm screw is equipped with second gear 38, and second rack is engaged with second gear.The cylinder body of cylinder is driven to be mounted on dynamic
In power mounting base, the second rack is connect by bearing or axle sleeve with the power mounting base.Pass through the second rack and second gear
Setting the power of cylinder will be driven to pass to worm screw so that worm screw obtain rotational power.
The turntable actuating unit includes disk gear 21, turntable transmission gear 20 and rotary tray motor 19, the turntable electricity
Machine is mounted on the rotary disk basement, and the turntable transmission gear is arranged on the output shaft of the rotary tray motor, the turntable tooth
Wheel is arranged on the outer circumference surface of the turntable, and the disk gear is engaged with the turntable transmission gear.Due to hold-down mechanism
It is arranged in the lower section of turntable, therefore in order to which better driving disc rotates, therefore disk gear, turntable are set in the outer surface of turntable
Gear is engaged with turntable transmission gear, and turntable realizes rotation under the action of rotary tray motor.
The outside of the turntable transmission gear is equipped with gear protective cover 22.The protective cover is mounted on the shell of rotary tray motor
On, for protecting transmission gear and disk gear and the turntable transmission gear position of engagement, welding slag is avoided to enter in actuating unit,
Influence action and the service life of actuating unit.
The mounting base is equipped with mounting bracket 23.Facilitate and the positioning device is mounted on track trolley.
As illustrated in figures 19 and 20, protective cover is equipped with 6 radial notches, and the pin pawl 1 is correspondingly provided with 6.For pressure hook
Hook portion reserve activity space.The straight pin of existing monoblock type is divided into multiple pin pawls, is contacted by the face of monoblock type straight pin
It is changed to the point contact of multiple pin pawls, support locating effect of the point contact not only with face contact, and the adjustable pin pawl of multiple pin pawls
The outer diameter for the positioning column that outer profile is formed, with the vehicle body location hole suitable for different inner diameters, in addition multiple pin pawl adjustment positioning
After supportting vehicle body location hole, there is gap between adjacent pin pawl, stretches out compression Auto-body Panel convenient for the pressure hook of hold-down mechanism.
Rotary tray motor acts, and turntable transmission gear is engaged with disk gear, to drive disk gear to rotate, turntable rotation
It is rotated relative to rotary disk basement, the bottom for selling pawl seat is threadedly coupled with disk upper surface, and sells the radial direction that pawl seat is mounted on protective cover
In notch, turntable rotation, being converted into pin pawl, radially notch direction moves radially, to realize multiple pin claw types at positioning
The adjustment of column outer diameter.When the adjustment of positioning column outer diameter is adapted with vehicle body location hole, vehicle body location hole and pin claw type at positioning
Column inserting cooperation, can realize the processing positioned to vehicle body and to each component of vehicle body.
As shown in fig. 7, when adjusting multiple pin pawl outer diameters, since pressure hook passes through a pair of of synchronising (connecting) rod and one of pin pawl
Connection, therefore pressure hook, with pin pawl synchronization action, while turntable servo motor acts, driving cylinder also acts, rotary tray motor action,
Turntable rotates, and adjusting pin pawl moves radially, after pin pawl in place after, i.e., after positioning column reaches correct outer diameter, turntable servo motor stops
Turn and self-locking, at this time the hook portion of pressure hook multiple pin claw types at positioning column in, do not interfere with positioning column and vehicle body location hole
Disengaging cooperation, will not interfere multiple pin claw types at positioning column and vehicle body location hole installation.
As shown in Figure 24-Figure 26, the internal diameter of the vehicle body location hole of required positioning vehicle body is 24mm, the thickness of Auto-body Panel
For 1.5mm when structural schematic diagram.
As shown in Figure 27 and Figure 28, the aperture of the vehicle body location hole of required positioning vehicle body is 16mm, the thickness of Auto-body Panel
Structural schematic diagram when degree is 1mm.
Multiple pin claw types at the positioning of positioning column and vehicle body location hole after, driving cylinder continues to act, and passes through the second tooth
Item, second gear, worm screw, worm gear, first gear impart power to the first rack, and the first rack moves down, and kinematic link moves down,
Pressure hook is moved down with kinematic link, and under the action of a pair of of synchronising (connecting) rod, pressure hook acts outward while to moving down, the hook of pressure hook
The protruding multiple pin claw types in portion at positioning column outside, and be pressed on downwards vehicle body location hole periphery different-thickness vehicle body punching
On casting die, the hook portion of pressure hook can compress in Auto-body Panel 24, to improve the safety of vehicle body conveying.
Hold-down mechanism is adjusted compression according to the thickness of the Auto-body Panel around different vehicle body location holes to be processed,
During above-mentioned reducing positioning pin adjustment, rotary tray motor action, turntable rotation sells pawl radial action, while driving cylinder movement,
Pressure hook is acted by synchronising (connecting) rod with pin pawl seat, and after the adjustment of the outer diameter of column to be positioned is adapted with vehicle body location hole, turntable stalls
And the self-locking under using the effect of the rotary tray motor of servo motor, the location hole dropping place of white body to multiple pin claw types at positioning column
On, cylinder movement is driven, kinematic link drives pressure hook to move down, since pressure hook is connect with pin pawl seat by synchronising (connecting) rod, therefore pressure hook
It is acted to outside pin pawl while moving down, by driving cylinder to be adjusted to pressure hook and Auto-body Panel thickness corresponding position, pressure hook
Hook portion be pressed on Auto-body Panel, realize multiple pin claw types at positioning column outer diameter be adapted with vehicle body location hole after, press
The hook portion of hook compresses the Auto-body Panel around vehicle body location hole.
When specifically used, track trolley is walked to piece uploading station, carries out vehicle to the vehicle body for the trolley that will get on the right track first
Identification confirms the information of the positioning bore dia of the vehicle and the thickness of stamping parts, and the information is sent to control system, control system
It unites and this information is compared to the direction of action of analysis determining motor and cylinder with current state, then by servo motor and cylinder
It works at the same time, and pin pawl is consistent with the direction of action of pressure hook, passes through disk gear turntable and rotate drive pin pawl radial motion, reach
After correct diametrical position, the stalling of turntable servo motor and self-locking are then multiple in the location hole dropping place to track trolley of white body
Sell claw type at positioning column on, and positioning supporting surface be used as by the upper surface of axis pin base, after dropping place, cylinder is driven to start to move
Make, cylinder rod is overhanging, and the second rack horizontal movement, the second rack is driven to be engaged with second gear, second gear rotation, the second tooth
, same rotating speed coaxial with worm screw is taken turns, worm and wheel engagement, worm gear is coaxial with first gear, first gear rotation, and drives first
Rack moves straight down, the first rack drives kinematic link, and kinematic link drives pressure hook movement, pressure hook to connect by the way that a pair is synchronous
Bar is hinged with pin pawl, therefore stamping parts is tightly pressed against on positioning supporting surface by the hook portion of pressure hook according to the thickness of different automobile types.It is described
Multiple electromagnetic switch in place are installed on driving cylinder.Multiple electromagnetic switch in place correspond to different automobile types thickness respectively, work as pressure hook
Hook portion compress in place after, corresponding electromagnetic switch issues a signal to control system, and control system feedback signal gives driving cylinder
Stop motion drives cylinder that stamping parts is tightly pressed against on positioning supporting surface at this time, and then track trolley is died starting row
It walks, the self-locking of the worm and gear utilized during dying, the hook portion of pressure hook compresses stamping parts, track platform always after cylinder is died
Vehicle starts walking on each station, and is sequentially completed corresponding solder joint welding in different stations, waits for all welding posts
After welding all, track trolley reaches lower part station, and turntable servo motor is electrified, driving cylinder ventilation, driving cylinder fortune
Turn, by rack-and-pinion, worm and gear, double link by pressure hook stretch to pin claw type at positioning column inside, then white body
It can be detached from the track trolley, then the track trolley then walks on to piece uploading station, waits for vehicle cab recognition information, according to
The information in the aperture of the vehicle body location hole of vehicle to be processed and the thickness of Auto-body Panel, completes vehicle to be processed as procedure described above
The positioning of type is supported and is compressed, to complete the welding processing of vehicle to be processed.Cylinder drives price low, and market value is high, more
Conducive to the popularization and application of the device.
Embodiment 2, as shown in Figure 29-Figure 31, the driving mechanism includes servo motor 39, the output of the servo motor
The bar axis connection of axis and the worm screw.Servo motor is mounted in power mounting base.Worm screw is directly installed on the defeated of servo motor
On shaft, servo motor rotation drives worm screw rotation, and it is more direct that worm screw obtains power.Servo motor itself also has certainly simultaneously
Lock function, then coordinate the self-lock ability of worm and gear can guarantee pressure hook stablize impaction state.
Detailed process, reducing process servo motor, rotary tray motor act simultaneously, and pressure hook is with pin pawl synchronization action, and pressure hook
Consistent with pin pawl direction of action, after pin pawl reaches correct diametrical position, rotary tray motor stalling simultaneously self-locking, vehicle body is placed on positioning column
On, servo motor continues to act, and worm screw rotation, worm and wheel engagement, worm gear is coaxial with first gear, first gear rotation,
And the first rack is driven to move downward, and pressure hook downward actuation is driven by kinematic link, under synchronising (connecting) rod effect, control system
Signal control servomotor rotational angle and rotation time are sent out according to the vehicle detected, servo motor is rotated according to signal and pressed
Stamping parts is tightly pressed against on positioning supporting surface by the hook portion of hook, and after the hook portion of pressure hook compresses in place, servo motor stalls self-locking,
Then track trolley power-off starts to walk, the self-locking of the servo motor and worm and gear that are utilized during power-off, and the hook portion of pressure hook begins
The tight stamping parts of final pressure.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of reducing support compression positioning device, which is characterized in that including reducing dowel mechanism and hold-down mechanism, the change
Diameter dowel mechanism includes multiple pin pawls, turntable, rotary disk basement, protective cover and the turntable actuating unit rotated for driving disc,
The pin pawl is connect by pin pawl seat with the turntable, and multiple pin pawls are uniformly distributed, the foreign steamer profile of multiple pin pawls
At for positioning column compatible with vehicle body location hole, the turntable is set on the rotary disk basement, and is turned relative to the turntable
Dynamic, the protective cover setting is connect on the outside of the turntable, and with the rotary disk basement, and the upper surface of the protective cover is equipped with multiple
The upper surface of radial notch for installing the pin pawl seat, the turntable is equipped with turntable screw thread, the bottom of the pin pawl seat
Equipped with the matched key seat screw thread of the turntable screw thread, under turntable actuating unit effect, turntable rotation adjustment
The outer diameter size of the positioning column；
The hold-down mechanism includes pressure hook, pressure hook seat and pressure hook actuating unit, and the rotary disk basement is mounted on the pressure hook seat, institute
The top for stating pressure hook is equipped with hook portion, and the hook portion sequentially passes through the rotary disk basement and the centre bore of turntable matches with the pin pawl
It closes, the pressure hook actuating unit includes power mounting base, the first rack in power mounting base, first gear, worm gear, snail
Bar and for drive worm screw rotate driving mechanism, the power mounting base be mounted on the pressure hook seat on, the pressure hook it is upper
Portion is hinged by a pair of of synchronising (connecting) rod and the pin pawl seat, and the lower part of the pressure hook is stretched into the pressure hook seat, and with set on institute
The one end for stating the kinematic link in pressure hook seat is hinged, and the other end of the kinematic link is hinged with first rack, and described the
One gear is engaged with first rack, and the first gear is mounted on first gear axis, and worm gear setting is described the
On one gear shaft.
2. reducing support compression positioning device according to claim 1, which is characterized in that a pair of synchronising (connecting) rod and institute
State pressure hook and sell pawl seat hinge joint successively line formed parallelogram sturcutre.
3. reducing support compression positioning device according to claim 1 or 2, which is characterized in that the hook portion is equipped with and institute
State the matched hook portion sliding slot of pin pawl.
4. requiring the reducing support compression positioning device described in 1 according to profit, which is characterized in that matched described with the pressure hook
The inside for selling pawl seat is equipped with connecting rod mounting plate.
5. requiring the reducing support compression positioning device described in 4 according to profit, which is characterized in that the connecting rod mounting plate and the pressure
The top of hook is all equipped with for synchronising (connecting) rod mounting hole hinged with a pair of synchronising (connecting) rod respectively.
6. reducing support compression positioning device according to claim 1, which is characterized in that the pin pawl seat includes vertical branch
Support part and horizontal connection portion, the pin pawl are mounted on the inside of the vertical support portion, and the both sides in the horizontal connection portion are equipped with
Section with the matched groove of the radial notch, the horizontal connection portion is in I-shaped structure, the key seat screw thread setting
Bottom in the horizontal connection portion.
7. the variable flexible compression supporting and positioning device of diameter according to claim 1, which is characterized in that the turntable passes through
Bearing or oil-free bushing are connect with the rotary disk basement.
8. reducing support compression positioning device according to claim 1, which is characterized in that the driving mechanism includes driving
Cylinder, the piston rod of the driving cylinder are equipped with the second rack, and the bar axis of the worm screw is equipped with second gear, and described second
Rack is engaged with second gear.
9. reducing support compression positioning device according to claim 1, which is characterized in that the driving mechanism includes servo
Motor, the bar axis connection of the output shaft of the servo motor and the worm screw.
10. the variable flexible compression supporting and positioning device of diameter according to claim 1, which is characterized in that the turntable is dynamic
Force mechanisms include disk gear, turntable transmission gear and rotary tray motor, and the rotary tray motor is mounted on the rotary disk basement, described
Turntable transmission gear is arranged on the output shaft of the rotary tray motor, and the outer circumference surface in the turntable is arranged in the disk gear
On, the disk gear is engaged with the turntable transmission gear.
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| CN201811009428.7A CN108750574B (en) | 2018-08-31 | 2018-08-31 | Reducing support compacting and positioning device |
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| CN201811009428.7A CN108750574B (en) | 2018-08-31 | 2018-08-31 | Reducing support compacting and positioning device |
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| CN112282800A (en) * | 2020-10-12 | 2021-01-29 | 湖北三峡职业技术学院 | Rail holding type locking device of tunnel steel mould trolley and operation method |
| CN112548574A (en) * | 2020-12-24 | 2021-03-26 | 山东中际智能装备有限公司 | Stator twists reverse and welded equipment |
| CN114734289A (en) * | 2022-06-13 | 2022-07-12 | 冰轮环境技术股份有限公司 | Mechanical self-adaptive clamp |
| CN116106336A (en) * | 2023-04-13 | 2023-05-12 | 河北亿海管道集团有限公司 | Pipe fitting radiographic inspection equipment |
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|---|---|
| CN108750574B (en) | 2023-09-08 |
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