Precision positioning mechanism for driving pallet
Technical field
The utility model is related to mechanical transmission field, and in particular to the precision positioning mechanism for driving pallet.
Background technology
In automation processing or assembly equipment, to meet the demand produced in enormous quantities, most of automation equipment is equal
It can be achieved in pipelining, Intelligent assembly platform, be required to set correspondence on the shift position of each station, each station and set
Pallet is equipped with, pallet is used for support workpiece, and each pallet can correspond to a station.When carrying out pipelining, pallet is by passing
Transfer mechanism is driven, and pallet is moved to last station by transmission mechanism from first station, so as to complete Automated assembly.
Transmission mechanism is used for conveying tray, while can also be used to compress pallet, transmission mechanism of the prior art has two kinds,
A kind of is the transmission mechanism driven by air pressure, and this simple in construction, convenient and flexible installation, acquisition cost is low, the power of air pressure driving
Amount is smaller, and the precision of air pressure driving is not high, and movement velocity is slower;It is another be by motor-driven transmission mechanism, it is this
The strength of structure is larger, easy for installation, and flexibility is high, and movement velocity is very fast, and still, when movement velocity is faster, error is larger, from
And kinematic error is influenceed, especially act stiff, impact shock greatly when stopping, in addition, the volume of this structure is larger, causing whole
Body volume is larger.
Utility model content
The purpose of this utility model is to solve disadvantages described above there is provided the precision positioning mechanism for driving pallet, and it can water
The dynamic pallet of translation, and precise positioning can be carried out to pallet.
The purpose of this utility model is achieved in the following ways:
Precision positioning mechanism for driving pallet, including transmission base, cam drive component, lifting assembly and draw groups
Part, transmission base top be provided with horizontal slide rail, and on horizontal slide rail provided with can along horizontal slide rail carry out level slip support
Disk, the left side of pallet is provided with first level chute, and the right side of pallet is provided with the second horizontal concrete chute, first level chute and the second water
Smooth groove is used to pairing and is caught in horizontal slide rail, and clamping and positioning post, clamping and positioning are provided with the inner bottom surface of the second horizontal concrete chute
The top of post is located at the top surface of the second horizontal concrete chute provided with crawl locating dowel, crawl locating dowel.
Lifting assembly and traction component may be contained within transmitting the right side of base, and traction component is installed on the top of lifting assembly
Portion, lifting assembly includes lifting mainboard, horizontal guide rail and some pieces of location-plates, and horizontal guide rail is horizontally installed in the top of lifting mainboard
End, some pieces of location-plate proper alignments are fixed on the top of lifting mainboard, and the front end of location-plate is provided with the locating detent extended downwardly,
Locating detent is extended into the second horizontal concrete chute, and positioned at the top of clamping and positioning post, locating detent, which is used to match, compresses pallet
Clamping and positioning post, lifts and is attached between the left surface of mainboard and the right flank of transmission base by upright guide rail, lifting master
The right side of plate is provided with follower supporting plate, and follower supporting plate is contacted with cam drive component, and cam drive component is driven by external
Motivation structure drives tilting above and below progress, and clamping and positioning post is horizontally set in the second horizontal concrete chute, and clamping and positioning post is cylinder,
The top of clamping and positioning post is matched for ease of locating detent and slipped into so as to be clamped the raised cambered surface of positioning, and locating detent is by two root knots
Structure identical traveller is constituted, and the bottom of traveller is provided with the clamping inclined-plane for being used for aiding in slipping into, and is clamped inclined-plane and is matched with raised cambered surface
It is easy to clamping and positioning post is slipped between two travellers after contact.
Traction component includes electric power push rod, traction mainboard and traction pin plate, and traction mainboard is arranged on the flexible of electric power push rod
On bar, and the sliding block of traction mainboard and horizontal guide rail is attached, and traction mainboard is carried out horizontal motion along horizontal guide rail,
Traction pin plate is transversely mounted on the top of traction mainboard, pin of the top surface provided with some proper alignments of traction pin plate, traction
The front end of pin plate is extended into the second horizontal concrete chute, pin is located at the lower section of crawl locating dowel, and pin is caught in for pairing
In the crawl locating dowel of pallet, crawl locating dowel is vertically arranged at the top of the second horizontal concrete chute, and the bottom of crawl locating dowel
The inner groovy for slipping into clamping is matched for ease of pin, the edge of inner groovy is inner concave arc surface, and the top of pin, which is provided with, to be used to aid in
It is easy to make pin slip into inner groovy after contacting with inner concave arc surface pairing in the crawl inclined-plane slipped into, crawl inclined-plane;Work as cam drive
So as to drive lifting mainboard to be risen along upright guide rail when component is upturned, pin matched card is set to enter the crawl positioning of pallet
In post, the then expansion link elongation of electric power push rod drives pallet forward, and rear cam drive component resets tray motion in place,
Lift mainboard to decline, locating detent pairing is compressed the clamping and positioning post of pallet, now draw mainboard and reset, so as to complete to pallet
Transmission and precise positioning.
In described above, as preferred scheme, the clamping and positioning post is provided with two altogether, is slided respectively positioned at the second level
The rear and front end of groove inner bottom surface.
In described above, as preferred scheme, the crawl locating dowel is provided with two groups altogether, is slided respectively positioned at the second level
The rear and front end of groove top surface.
In described above, as preferred scheme, the cam drive component includes pinion stand, gear shaft, cam and shaken
Bar, gear shaft is engaged with external drive mechanism, is rotated by external drive mechanism band movable gear shaft, cam is carried out with gear shaft
Connection, cam is installed in the front end that pinion stand is installed in rotation in the middle part of the rear end of pinion stand, rocking bar with gear shaft, shakes
The rear end of bar and cam contact, by cam driven, the front end of rocking bar is provided with roller, and the bottom of follower supporting plate is provided with to be extended backward
And for the rolling surface that is contacted with roller, roller can be rolled along rolling surface, drive cam rotation when gear shaft is rotated, shake
The rear end of bar is swung by cam driven, while tilting above and below the front end progress of rocking bar, so as to drive follower supporting plate to carry out
Elevating movement.
In described above, as preferred scheme, the leading flank or trailing flank of the pallet are provided with more than two perpendicular
Straight groove, and mounted in pairing mode has separator tube in vertical groove, the one side of separator tube protrudes from the opening of vertical groove outward,
Separator tube is used to prevent two neighboring pallet from hard collision occur.
Having the beneficial effect that produced by the utility model:
1)Traction component is used to drive pallet to be moved horizontally, and traction component includes electric power push rod, traction mainboard and led
Draw pin plate, pin of the top surface provided with some proper alignments of traction pin plate, pin is used for the crawl positioning that matched card enters pallet
In post, when cam drive component is upturned, so as to drive lifting mainboard to be risen along upright guide rail, make pin matched card
Enter in the crawl locating dowel of pallet, the then expansion link elongation of electric power push rod drives the motion of pallet forward horizontal, passes through draw groups
During part drives pallet movement, also for the precision for improving pallet movement, it is ensured that automatic assembly line is assembled to workpiece
Success rate;
2)Lifting assembly is used to compress pallet, so as to carry out precise positioning to pallet, lifting assembly includes lifting mainboard, water
Level gauge and some pieces of location-plates, the front end of location-plate are provided with the locating detent extended downwardly, and locating detent is used to match to compress pallet
Clamping and positioning post, during work, cam drive component resets after pallet is driven in place by traction component, lifting mainboard decline,
Locating detent pairing is compressed the clamping and positioning post of pallet, now draw mainboard and reset, so as to complete transmission to pallet and precisely
Positioning, it is ensured that in automation processing or assembling process, pallet is assembled to workpiece again after being compacted, to ensure that workpiece is determined
The precision of position, so that it is guaranteed that the precision of workpiece assembling;
3)Traction component and lifting assembly drive by cam drive component, and cam drive component is by Intelligent assembly platform
Drive mechanism drives tilting above and below progress, follower supporting plate is driven when cam drive component is upturned, so as to drive traction
Component is acted, conversely, when cam drive component is to downward reset, so as to drive lifting assembly to compress pallet, overall mistake downwards
Journey drives by cam drive component and realizes synchronization action, and simple in construction, type of drive is simple, it is not necessary to use any electronics control
Element processed, it is not necessary to connect any complicated circuit, manufacturing cost is low;
4)High using the precision of cam drive structure, intelligence degree is high, and compact structure, cam drive structure will not be produced
Too big inertia, even can also ensure that precision under high-speed cruising state, is particularly suitable for use in the intelligence high to required precision
The processing or assembling of mounting plate;
5)Locating detent is made up of two root architecture identical travellers, and the bottom of traveller, which is provided with, to be used to aid in the clamping slipped into oblique
Face, clamps after inclined-plane is contacted with raised cambered surface pairing and is easy to make clamping and positioning post slip between two travellers, be easy to express delivery to carry out
Clamp, while the position of pallet can quickly be corrected, so as to complete to be accurately positioned, meanwhile, capture the bottom of locating dowel for ease of
Pin matches the inner groovy for slipping into clamping, and the edge of inner groovy is inner concave arc surface, and the top of pin, which is provided with, to be used to aid in what is slipped into
Inclined-plane is captured, crawl inclined-plane is easy to make pin slip into inner groovy after contacting with inner concave arc surface pairing, makes pin can express delivery and essence
Really insert and slip into inner groovy, consequently facilitating driving tray motion.
Brief description of the drawings
Fig. 1 is the part-structure decomposing schematic representation of the utility model embodiment;
Fig. 2 is the dimensional structure diagram of the utility model embodiment;
Fig. 3 is Fig. 2 close-up schematic view;
Fig. 4 is the structural decomposition diagram of the utility model embodiment cam transmission component;
Fig. 5 is the dimensional structure diagram of traction component in the utility model embodiment;
Fig. 6 is the dimensional structure diagram of lifting assembly in the utility model embodiment;
Fig. 7 is the dimensional structure diagram of pallet in the utility model embodiment;
In figure, 1 is transmission base, and 2 be traction component, and 3 be lifting assembly, and 4 be cam drive component, and 5 be pallet, 201
It is traction mainboard for electric power push rod, 202,203 be traction pin plate, and 204 be pin, and 301 be lifting mainboard, and 302 be horizontal guide rail,
303 be follower supporting plate, and 304 be location-plate, and 305 be locating detent, and 401 be pinion stand, and 402 be gear shaft, and 403 be cam, 404
It is first level chute for rocking bar, 501,502 be the second horizontal concrete chute, and 503 be clamping and positioning post, and 504 be crawl locating dowel,
505 be separator tube.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
The present embodiment, 1~Fig. 7 of reference picture, what it was embodied is used to drive the precision positioning mechanism of pallet to include transmission
Base 1, cam drive component 4, lifting assembly 3 and traction component 2, the top of transmission base 1 are provided with horizontal slide rail, and in level
Slide rail is provided with can carry out the pallet 5 of level slip along horizontal slide rail.
As shown in fig. 7, the left side of pallet 5 is provided with first level chute 501, the right side of pallet 5 is provided with the second horizontal concrete chute
502, the horizontal concrete chute 502 of first level chute 501 and second is used to pairing and is caught in horizontal slide rail, in the second horizontal concrete chute
502 inner bottom surface is provided with clamping and positioning post 503, and the top of clamping and positioning post 503 captures locating dowel provided with crawl locating dowel 504
504 are located at the top surface of the second horizontal concrete chute 502.Clamping and positioning post 503 is horizontally set in the second horizontal concrete chute 502, and it is fixed to clamp
Position post 503 is provided with two altogether, respectively positioned at the rear and front end of the inner bottom surface of the second horizontal concrete chute 502, and clamping and positioning post 503 is cylinder
Body, the top of clamping and positioning post 503 is matched for ease of locating detent 305 to be slipped into be clamped the raised cambered surface of positioning, positioning
Pawl 305 is made up of two root architecture identical travellers, and the bottom of traveller is provided with the clamping inclined-plane for being used for aiding in slipping into, clamp inclined-plane with
It is easy to make clamping and positioning post 503 slip between two travellers after raised cambered surface pairing contact.Crawl locating dowel 504 is vertically arranged at
The top of second horizontal concrete chute 502, crawl locating dowel 504 is provided with two groups altogether, respectively before the top surface of the second horizontal concrete chute 502
Two ends, capture the bottom of locating dowel 504 and the inner groovy for slipping into clamping are matched for ease of pin 204, the edge of inner groovy is interior afterwards
Cancave cambered surface, the top of pin 204 is provided with the crawl inclined-plane for being used for aiding in slipping into, and captures after inclined-plane is contacted with inner concave arc surface pairing just
Slipped into making pin 204 in inner groovy.The leading flank or trailing flank of pallet 5 are provided with more than two vertical grooves, and perpendicular
Mounted in pairing mode has separator tube 505 in straight groove, and the one side of separator tube 505 protrudes from the opening of vertical groove, separator tube outward
505 are used to prevent two neighboring pallet 5 from hard collision occur.
Lifting assembly 3 and traction component 2 may be contained within transmitting the right side of base 1, and traction component 2 is installed on lifting assembly
3 top, as shown in fig. 6, lifting assembly 3 includes lifting mainboard 301, horizontal guide rail 302 and some pieces of location-plates 304, level
Guide rail 302 is horizontally installed in the top of lifting mainboard 301, and some pieces of proper alignments of location-plate 304 are fixed on lifting mainboard 301
Top, the front end of location-plate 304 is provided with the locating detent 305 extended downwardly, and locating detent 305 extends into the second horizontal concrete chute 502
It is interior, and positioned at the top of clamping and positioning post 503, locating detent 305 is used to match the clamping and positioning post 503 for compressing pallet 5, lifting master
It is attached between the left surface of plate 301 and the right flank for transmitting base 1 by upright guide rail, the right side of lifting mainboard 301 is set
There is follower supporting plate 303, follower supporting plate 303 is contacted with cam drive component 4, cam drive component 4 is by external driving
Mechanism drives tilting above and below progress.Lifting assembly 3 is used to compress pallet 5, so as to carry out precise positioning, lifting assembly 3 to pallet 5
Including lifting mainboard 301, horizontal guide rail 302 and some pieces of location-plates 304, the front end of location-plate 304 is provided with determining for extending downwardly
Position pawl 305, locating detent 305 is used to match the clamping and positioning post 503 for compressing pallet 5, during work, when pallet 5 is by the band of traction component 2
Dynamic cam drive component 4 rear in place resets, and lifting mainboard 301 declines, and the pairing of locating detent 305 is compressed the clamping and positioning of pallet 5
Post 503, now draw mainboard 202 reset, so as to complete the transmission to pallet 5 and precise positioning, it is ensured that automation processing or
In person's assembling process, pallet 5 is assembled to workpiece again after being compacted, to ensure the precision of workpiece positioning, so that it is guaranteed that work
The precision of part assembling.
As shown in figure 5, traction component 2 includes electric power push rod 201, traction mainboard 202 and traction pin plate 203, mainboard is drawn
202 are arranged on the expansion link of electric power push rod 201, and the sliding block of traction mainboard 202 and horizontal guide rail 302 is attached, and makes to lead
Draw mainboard 202 and carry out horizontal motion along horizontal guide rail 302, traction pin plate 203 is transversely mounted on the top of traction mainboard 202
Portion, pin 204 of the top surface provided with some proper alignments of traction pin plate 203, the front end of traction pin plate 203 extends into second
In horizontal concrete chute 502, pin 204 is set to be located at the lower section of crawl locating dowel 504, pin 204 is used for the crawl that matched card enters pallet 5
In locating dowel 504.Traction component 2 is used to drive pallet 5 to be moved horizontally, and traction component 2 includes electric power push rod 201, traction
Mainboard 202 and traction pin plate 203, pin 204 of the top surface provided with some proper alignments of traction pin plate 203, pin 204 are used for
Matched card enters in the crawl locating dowel 504 of pallet 5, when cam drive component 4 is upturned, so as to drive lifting mainboard 301
Risen along upright guide rail, the matched card of pin 204 is entered in the crawl locating dowel 504 of pallet 5, then electric power push rod 201
Expansion link elongation drives the motion of the forward horizontal of pallet 5, during driving the movement of pallet 5 by traction component 2, also for raising
The precision that pallet 5 is moved, it is ensured that the success rate that automatic assembly line is assembled to workpiece.
When cam drive component 4 is upturned so as to drive lifting mainboard 301 to be risen along upright guide rail, make pin
204 matched cards enter in the crawl locating dowel 504 of pallet 5, and the then expansion link elongation of electric power push rod 201 drives pallet 5 to transport forward
Dynamic, cam drive component 4 resets after pallet 5 is moved in place, and lifting mainboard 301 declines, and the pairing of locating detent 305 is compressed pallet 5
Clamping and positioning post 503, now draw mainboard 202 reset, so as to complete the transmission to pallet 5 and precise positioning.Traction component 2
And lifting assembly 3 drives by cam drive component 4, cam drive component 4 drives tilting above and below progress by external drive mechanism,
Follower supporting plate 303 is driven when cam drive component 4 is upturned, so as to drive traction component 2 to act, conversely, working as cam
When transmission component 4 is to downward reset, so as to drive lifting assembly 3 to compress pallet 5 downwards, overall process is by cam drive component
Synchronization action is realized in 4 drives, and simple in construction, type of drive is simple, it is not necessary to use any electronic control component, it is not necessary to connect
Any complicated circuit, manufacturing cost is low.
As shown in figure 4, cam drive component 4 includes pinion stand 401, gear shaft 402, cam 403 and rocking bar 404, gear
Axle 402 is engaged with external drive mechanism, is rotated by external drive mechanism band movable gear shaft 402, cam 403 and gear shaft
402 are attached, and cam 403 is installed in the rear end of pinion stand 401 with gear shaft 402, and the middle part of rocking bar 404 is rotationally pacified
Mounted in the front end of pinion stand 401, the rear end of rocking bar 404 is contacted with cam 403, is driven by cam 403, and the front end of rocking bar 404 is set
There is roller, the bottom of follower supporting plate 303 is provided with to be extended and the rolling surface for being contacted with roller backward, and roller can be along rolling surface
Rolled, when gear shaft 402 is rotated, band moving cam 403 is rotated, and the rear end of rocking bar 404 is driven by cam 403 to be swung,
While tilting above and below the front end progress of rocking bar 404, so as to drive follower supporting plate 303 to carry out elevating movement.Using cam drive
The precision of structure is high, and compact structure, cam drive structure will not produce too big inertia, even under high-speed cruising state also
Precision is ensure that, the automation processing or assembling high to required precision is particularly suitable for use in.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to recognized
Fixed specific implementation of the present utility model is confined to these explanations.For the ordinary skill people of the utility model art
For member, without departing from the concept of the premise utility, some simple deduction or replace can also be made, be regarded as this
The protection domain of utility model.