CN104640371B - The luffing placement head and its luffing method of a kind of chip mounter forward-reverse spiral formula - Google Patents
The luffing placement head and its luffing method of a kind of chip mounter forward-reverse spiral formula Download PDFInfo
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- CN104640371B CN104640371B CN201510085303.2A CN201510085303A CN104640371B CN 104640371 B CN104640371 B CN 104640371B CN 201510085303 A CN201510085303 A CN 201510085303A CN 104640371 B CN104640371 B CN 104640371B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/303—Surface mounted components, e.g. affixing before soldering, aligning means, spacing means
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Abstract
The luffing placement head and its luffing method of a kind of chip mounter forward-reverse spiral formula, including multiple paster component suction nozzles of more than 2, multiple paster component suction nozzles are arranged in parallel to be combined on paster head bracket, and can be slided along p axles line slideway, it is characterized in that, jib lubbing mechanism is also equipped with paster head bracket, the jib lubbing mechanism paster component suction nozzle movable with each links together, described multiple paster component suction nozzles are to be driven to slide along p axles line slideway by the jib lubbing mechanism on paster head bracket, and luffing adjustment motion is acted by jib lubbing mechanism band by servomotor, and remain that the spacing of suction nozzle on each paster component suction nozzle is equal in amplitude changing process.
Description
Technical field
The invention belongs to the part operational method and device that a kind of electronic device makes process equipment, in particular for small-sized
The chip mounter placement head and pasting method of electronic device attachment, are mainly used in carrying out on pcb plates at a high speed, stable, accurately patch
Fill miniature electric component.Realize from pcb and enter plate, send plate, position, placement head suction, positioning, the full-automatic control of attachment
System.
Background technology
Chip mounter is also known as " placement equipment ", " surface mount system "（Surface Mount System）, in production line, it
Configuration is that Surface Mount Component is properly placed on PCB by mobile mounting head after point gum machine or screen process press
A kind of equipment on pad.Placement head is the direct mechanism that chip mounter carries out paster work, is one of chip mounter key technology, patch
After head pickup device can under the control of correction system automatic correction position, and component is placed with to specified position exactly
Put.The placement head of chip mounter is as the important component of whole machine, and the performance for whole machine is very crucial, placement head
Development be chip mounter progress mark, placement head develops into bull optical centering by the single head of early stage, mechanical centering；In early days
Single head chip mounter is made up of suction nozzle, locating detent, positioning table and Z axis, second angular movement system, and is fixed on X.Y axle drivers
On structure.After suction nozzle draws a component, component centering is realized and while to loader one by mechanical centering body
Signal（Electric signal or mechanical signal）, next component is entered suction piece position.But this mode paster speed is very slow, generally
Being placed with a chip components and parts needs Is.In order to improve paster speed, the method that people take increase placement head quantity, i.e., using many
Individual placement head is to increase paster speed.
Fixed multi-head is the structure that universal chip mounter is used at present, fixed multi-head outward appearance it be base in former single head
Improved on plinth, i.e., 3~6 placement heads are increased by single head.They are remained secured on X.Y axles, but are not used
Mechanical centering and the optical centering for being changed to diversified forms.Component is drawn during work respectively, is then placed with successively again after centering
In PCB specified locations.But existing placement head has distance and adjusts immutable, the position of even all fixations, therefore
When needing to carry out luffing adjustment placement head for some, it is impossible to be adjusted, therefore necessary further improved.
By retrieving the patent literature for finding to be related to chip mounter, patent related to the present invention mainly has following several
It is individual：
1st, Patent No. CN 201210519953, entitled " a kind of high-speed paster head " which disclose a kind of high speed
Placement head, including support, Z-axis lifting mechanism, θ rotation angle mechanisms and paster axle, wherein, the Z-axis lifting mechanism includes first
Bearing, driven synchronous pulley, belt shaft, second bearing, clutch, the first locking nut, bearing plate, angular contact bearing, rolling
Ballscrew, ball screw nut, screw mandrel contiguous block and brake；The output end of lift servo motor connects a driving wheel；Band
Wheel shaft epimere is sequentially installed with clutch shaft bearing and driven synchronous pulley, and hypomere is sequentially installed with second bearing, clutch.The present invention
High-speed paster head Z-axis lifting mechanism is using a servomotor, a timing belt, a clutch, brake, a secondary rolling
Ballscrew pair carries out, with the use of can be achieved with multiaxis concurrently or separately oscilaltion campaign, improving the precision and effect of paster
Rate, simplified mechanism reduces the cost of whole placement head.
2nd, Patent No. CN201220627551.7, entitled " a kind of high-speed paster head list drives multiple shaft lifting fitness machine
Structure ", which disclose a kind of high-speed paster head list driving multiple shaft lifting motion, including lift servo motor, support, patch
Bobbin and a plurality of single shaft elevating movement mechanisms；Wherein, described single shaft elevating movement mechanism includes the gear sequentially installed
Circle, bearing, packing ring, driven pulley, packing ring, belt shaft, clutch, locking nut, bearing plate, angular contact bearing, screw mandrel, screw mandrel
Nut, screw mandrel contiguous block, brake and shaft end ring.
3rd, Patent No. CN201310043021.7, entitled " a kind of efficient placement head of multiple suction nozzle synchronous suction patch ", should
Patent discloses a kind of efficient placement head of multiple suction nozzle synchronous suction patch.Include supporting plate, guide rail slide block, substrate, some suctions patch
Module, driving inhale the vertical movement drive mechanism that patch module moves up and down and the water for driving suction patch module to make horizontal linear displacement
Flat motion driving mechanism, wherein substrate are installed on the supporting plate by guide rail slide block, and are fixed in vertical movement drive mechanism；
Inhale patch module to be arranged on substrate, spacing between patch module is inhaled for driving to inhale patch module and make horizontal linear displacement to adjust
Horizontal movement drive mechanism is arranged between substrate and suction patch module, and suction patch module is connected with horizontal movement drive mechanism.
4th, Patent No. CN201320364205, entitled " a kind of full-automatic equidistantly adjustable placement head ", the patent
Disclose a kind of full-automatic equidistantly adjustable placement head, including outside support, trapezoidal board mount, trapezoidal plate, vertically move branch
Frame, servo longitudinal motor, vertical servo motor, suction nozzle support beam and suction nozzle, trapezoidal plate is fixed on trapezoidal board mount, trapezoidal
On board mount frame bottom mounted externally, the guide rail for vertically moving support support both sides mounted externally, servo longitudinal motor
On the inside of cradle top mounted externally, suction nozzle is arranged in suction nozzle support beam, and suction nozzle support beam is arranged on and vertically moved on support,
Vertical servo motor is arranged on and vertically moved after support.Suction nozzle support beam is two, is respectively mounted both sides above and below trapezoidal plate.It is described
Suction nozzle is 8 to 32.Servo longitudinal motor drag vertically moves support, drives suction nozzle to be moved forward and backward on trapezoidal plate, suction nozzle branch
Support beam and maintain all suction nozzles all on same horizontal straight line so that suction nozzle spacing is equal all the time and adjust automatically.Vertical servo electricity
Machine promotes suction nozzle support beam, drives suction nozzle to move up and down progress feeding and paster.
Although these above-mentioned patents are directed to the placement head of chip mounter, but all do not solve patent CN201320364205
Be related to mounting head internal spacing it is equal and can adjust automatically, but carefully analyze as can be seen that the patent be still
It has been briefly described that " servo longitudinal motor drag vertically moves support, drives suction nozzle to be moved forward and backward on trapezoidal plate, suction nozzle support beam
Maintain all suction nozzles all on same horizontal straight line so that suction nozzle spacing is equal all the time and adjust automatically.Vertical servo motor is pushed away
Dynamic suction nozzle support beam, drives suction nozzle to move up and down progress feeding and paster ", still specifically each placement head of same row can not be entered
Row is adjusted respectively；Therefore the adjustment between each suction nozzle of placement head how is carried out, realizes that the luffing between any placement head is adjusted still
It is the problem for needing to solve.
The content of the invention
It is an object of the invention to the deficiency existing in terms of position adjustment of the placement head for current chip mounter, propose
A kind of new chip mounter placement head and its pasting method, the pasting method and device of this kind of chip mounter placement head can be realized multiple
Placement head suction nozzle each between the accurate dynamically self adjustment in position, realize arbitrary luffing operation, reach that placement head is stable, it is accurate
Really, the purpose quickly mounted.
To realize the purpose of the present invention, the implementer's case proposed is：A kind of luffing of chip mounter forward-reverse spiral formula
Multiple paster suction nozzles more than placement head, including 2, multiple paster suction nozzles are arranged in parallel to be combined installed in placement head branch
On frame, and it can be slided along p axles line slideway, it is characterised in that jib lubbing mechanism, luffing machine are also equipped with paster head bracket
Structure links together with each paster suction nozzle, and described multiple paster suction nozzles are by the luffing machine on paster head bracket
Structure drives what is slided along p axles line slideway, and acts luffing adjustment motion by jib lubbing mechanism band by servomotor.
Further, described multiple paster suction nozzles are 5 paster suction nozzles, wherein, No. 3 component suction nozzle is in interposition
Put, be fixed on by a connecting plate of lower section on paster head bracket, its position is fixed, be not involved in the horizontal luffing fortune of placement head
It is dynamic；No. 1 component suction nozzle and No. 2 component suction nozzle are located on the left of No. 3 component suction nozzle, No. 4 component suction nozzle and No. 5 suction nozzle
Component is located on the right side of No. 3 component suction nozzles；Described jib lubbing mechanism by Changeable Lead become the leading screw of rotation direction respectively with No. 1 suction nozzle
Component, No. 2 component suction nozzle, the bolted nut holder assembly of four suction nozzles of No. 4 component suction nozzle and No. 5 component suction nozzle
Combination is constituted, and the leading screw for becoming rotation direction by becoming lead adjusts No. 1 suction nozzle, No. 2 suction nozzle, No. 4 suction nozzle and No. 5 suction
The spacing of mouth realize luffing adjust, and keep 5 suction nozzles same rectilinear direction spacing during paster it is equal all the time.
Further, the leading screw of the change lead change rotation direction of described jib lubbing mechanism is driven by servomotor, by same
Walking V belt translation will drive leading screw to rotate in power transmission to leading screw.No. 1 suction nozzle seat, No. 2 suction nozzle seat, No. 4 suction nozzle seat and
No. 5 suction nozzle seat is connected by one piece of connecting plate with nut assembly respectively, nut assembly including nut and with its bolt connection
Nut sleeve, straight-line guide rail slide block component is disposed with above and below placement head suction nozzle seat rear, suction nozzle seat is led by bolt with straight line
Rail sliding block links together.When leading screw is driven by motor to be rotated, nut can produce the movement of transverse direction on leading screw, so as to drive
Nut sleeve and the placement head suction nozzle seat being connected by connecting plate with it are slided on cross slide way, thus achieve placement head suction nozzle
The luffing motion of component.
Further, described leading screw is that multistage does not wait the screw combinations of lead and rotation direction to be formed, wherein, the 1st section
Screw thread is identical with the 2nd section of thread rotary orientation, and the 3rd section of screw thread is identical with the 4th section of thread rotary orientation, the 1st section of screw thread, the 2nd section of thread rotary orientation
It is opposite with the 3rd section of screw thread, the 4th section of thread rotary orientation；1st section of screw thread and the 4th section of lead are the 2nd section of screw thread and the 3rd section of screw thread
Twice of helical pitch；1st section of screw thread of screw rod, the 2nd section of screw thread, the 3rd section of screw thread, the 4th section of screw thread are the work of four nuts respectively
Stroke, four nuts by connecting plate respectively with No. 1 suction nozzle seat, No. 2 suction nozzle seat, No. 4 suction nozzle seat and No. 5 suction nozzle seat
Link together, be bolted.
Thus, when screw rod rotates, it is ensured that No. 1 component suction nozzle and No. 2 suction nozzle No. 3 fixed suction nozzle both sides
The moving direction of component, No. 4 component suction nozzle and No. 5 component suction nozzle is on the contrary, and two suction nozzle transverse shiftings in outside
Distance is twice of two suction nozzle displacement of inner side, it is achieved thereby that luffing function, and ensure that 5 suction nozzles are entirely being pasted
Spacing in piece motion process remains equal.
Further, when the leading screw uses trapezoidal thread, the top of each nut sleeve of described suction nozzle seat is provided with peace
The cylinder of shock mount, is connected with frame respectively by extension spring.Therefore when then when placement head progress luffing motion, forever
It is remote by unilateral horizontal pretightning force, it is to avoid during deflecting there is the error produced in sideshake.
Further, when the leading screw uses precision ball screw, the feed screw nut is directly connected with nut seat, nut
Seat is connected with the suction nozzle seat on component suction nozzle.
Further, during the work of described jib lubbing mechanism, power is provided by jib lubbing mechanism servomotor, and pass through timing belt
Transmission is transferred power on leading screw.
A kind of placement head suction nozzle luffing method using above-mentioned luffing placement head, multiple placement head suction nozzles are arranged in parallel within
It is installed along with paster head bracket, and can be moved in parallel on the track of paster head bracket, it is characterised in that multiple placement head
Luffing is moved when suction nozzle is moved in parallel on the track of paster head bracket；Described luffing motion is by a forward-reverse spiral formula
Screw mandrel drive multiple placement head suction nozzles to do luffing motion.
Further, described multiple paster suction nozzles are 5 paster component suction nozzles, wherein, No. 3 suction nozzle is in interposition
Put, be fixed on by a connecting plate of lower section on paster head bracket, its position is fixed, be not involved in the horizontal luffing fortune of placement head
It is dynamic；No. 1 component suction nozzle and No. 2 component suction nozzle are located on the left of No. 3 component suction nozzle, No. 4 component suction nozzle and No. 5 suction nozzle
Component is located on the right side of No. 3 suction nozzles；The leading screw that described jib lubbing mechanism becomes lead change rotation direction by one is inhaled with No. 1 respectively
The bolted nut holder assembly combination of mouth, No. 2 suction nozzle, four suction nozzles of No. 4 suction nozzle and No. 5 suction nozzle is constituted, and is passed through
The spacing that the leading screw of Changeable Lead change rotation direction adjusts No. 1 suction nozzle, No. 2 suction nozzle, No. 4 suction nozzle and No. 5 suction nozzle realizes luffing
Adjustment.
Further, the leading screw of the change lead change rotation direction of described jib lubbing mechanism is driven by servomotor, by same
Walking V belt translation will drive leading screw to rotate in power transmission to leading screw.No. 1 suction nozzle seat, No. 2 suction nozzle seat, No. 4 suction nozzle seat and
No. 5 suction nozzle seat is connected by one piece of connecting plate with nut assembly respectively, nut assembly including nut and with its bolt connection
Nut sleeve, straight-line guide rail slide block component is disposed with above and below placement head suction nozzle seat rear, suction nozzle seat is led by bolt with straight line
Rail sliding block links together.When leading screw is driven by motor to be rotated, nut can produce the movement of transverse direction on leading screw, so as to drive
Nut sleeve and the placement head suction nozzle seat being connected by connecting plate with it are slided on cross slide way, thus achieve the fortune of placement head
It is dynamic.
Further, described leading screw is that multistage does not wait the screw combinations of lead and rotation direction to be formed, wherein, the 1st section
Identical with the 2nd section of screw rod rotation direction, the 3rd section is identical with the 4th section of screw rod rotation direction, and the 1st section of screw thread is identical with the 2nd section of thread rotary orientation,
3rd section of screw thread is identical with the 4th section of thread rotary orientation, the 1st section of screw thread, the 2nd section of thread rotary orientation and the 3rd section of screw thread, the 4th section of thread rotary orientation
Conversely；1st section of screw thread and the 4th section of lead is the 2nd section of screw thread and the 3rd section of lead twice；1st section of spiral shell of screw rod
Line, the 2nd section of screw thread, the 3rd section of screw thread, the 4th section of screw thread are the impulse stroke of four nuts respectively, and four nuts pass through connecting plate point
Do not link together, be bolted with No. 1 suction nozzle seat, No. 2 suction nozzle seat, No. 4 suction nozzle seat and No. 5 suction nozzle seat.
Thus, when screw rod rotates, it is ensured that No. 1 component suction nozzle and No. 2 suction nozzle No. 3 fixed suction nozzle both sides
The moving direction of component, No. 4 component suction nozzle and No. 5 component suction nozzle is on the contrary, and two suction nozzle transverse shiftings in outside
Distance is twice of the suction nozzle displacement of inner side, it is achieved thereby that luffing function, and ensure in amplitude changing process with always
The spacing of each suction nozzle is equal all the time on line direction.
The advantage of the invention is that：All placement head suction nozzles are separately mounted in placement head mounting seat by the present invention, are passed through
One jib lubbing mechanism carries out position luffing adjustment so that placement head can realize that luffing is moved, for improving overall chip mounter
Performance has good effect.Become the leading screw that lead becomes rotation direction especially by one, paster is driven by the rotation of screw rod
The horizontal luffing motion of head suction nozzle, dynamic changes the spacing between suction nozzle, and keep suction nozzle spacing in same rectilinear direction all the time
It is equal, with reliable in action, the characteristics of simple in construction.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of one embodiment of the invention；
Fig. 2 is the jib lubbing mechanism structural representation of the embodiment of the present invention；
Fig. 3 is the Changeable Lead screw-rod structure schematic diagram of the embodiment of the present invention；
Fig. 4 is that the nut sleeve and spring of the embodiment of the present invention install cylindrical structure schematic diagram.
Embodiment
Below in conjunction with drawings and examples, the present invention will be further described.
Embodiment one
Accompanying drawing 1-4 gives a kind of implementer's case of the present invention.By accompanying drawing as can be seen that the present invention relates to one kind
The luffing placement head of chip mounter forward-reverse spiral formula, includes multiple paster suction nozzles 1 of more than 2, and multiple paster suction nozzles 1 are arranged in parallel
Combine on paster head bracket 2, and can be slided along p axles line slideway 3, it is characterised in that in placement head branch
Jib lubbing mechanism 4 is also equipped with frame 2, jib lubbing mechanism links together with each paster component suction nozzle, described multiple pasters
Suction nozzle 1 is to be driven along p axles line slideway 3 to slide by the jib lubbing mechanism 4 on paster head bracket 2, and by servo electricity
Machine 5 is moved by jib lubbing mechanism 4 with action luffing adjustment.
Further, wherein, No. 3 component suction nozzle 6 is in an intermediate position, and patch is fixed on by a connecting plate of lower section
On piece head bracket 2, its position is fixed, and is not involved in the horizontal luffing motion of placement head；No. 1 component suction nozzle 7 and No. 2 suction nozzle group
Part 8 is located at No. 3 left side of component suction nozzle 6, and it is right that No. 4 component suction nozzle 9 and No. 5 component suction nozzle 10 are located at No. 3 component suction nozzles 6
Side；Described jib lubbing mechanism 4 by Changeable Lead become the leading screw 11 of rotation direction respectively with No. 1 component suction nozzle 7, No. 2 suction nozzle group
The bolted combination of nut holder assembly 12 of four suction nozzles of part 8, No. 4 component suction nozzle 9 and No. 5 component suction nozzle 10 is constituted,
The leading screw for becoming rotation direction by becoming lead adjusts the spacing of No. 1 suction nozzle, No. 2 suction nozzle, No. 4 suction nozzle and No. 5 suction nozzle
Realize luffing adjust, and keep 5 suction nozzles same rectilinear direction spacing during paster it is equal all the time.
Further, the leading screw 11 of the change lead change rotation direction of described jib lubbing mechanism 4 is driven by servomotor 5, is passed through
Crossing toothed belt transmission structure 13 will drive leading screw to rotate in power transmission to leading screw.No. 1 suction nozzle seat, No. 2 suction nozzle seat, the 4th
Number suction nozzle seat and No. 5 suction nozzle seat are connected by one piece of connecting plate 14 with nut assembly 12 respectively, and nut assembly 12 includes spiral shell
It is female and with its bolted nut sleeve, be disposed with straight-line guide rail slide block component 15, suction nozzle above and below placement head suction nozzle seat rear
Seat is linked together by bolt with straight-line guide rail slide block.When leading screw is driven by motor to be rotated, nut can be produced on leading screw
Horizontal movement, so that drive nut sleeve and slided with the placement head suction nozzle seat that it is connected by connecting plate on cross slide way,
Thus achieve the motion of placement head.
Further, described leading screw 11 is that multistage does not wait the screw combinations of lead and rotation direction to be formed, wherein, the 1st
Section screw rod 16 is identical with the 2nd section of rotation direction of screw rod 17, and the 3rd section of screw rod 18 is identical with the 4th section of rotation direction of screw rod 19, and the 1st section of screw thread and
2nd section of thread rotary orientation is identical, and the 3rd section of screw thread is identical with the 4th section of thread rotary orientation, the 1st section of screw thread, the 2nd section of thread rotary orientation and the 3rd section
Screw thread, the 4th section of thread rotary orientation are opposite；1st section of screw thread and the 4th section of lead is the 2nd section of screw thread and the 3rd section of lead two
Times；1st section of screw thread of screw rod, the 2nd section of screw thread, the 3rd section of screw thread, the 4th section of screw thread are the impulse stroke of four nuts, four respectively
Nut is connected to one with No. 1 suction nozzle seat, No. 2 suction nozzle seat, No. 4 suction nozzle seat and No. 5 suction nozzle seat respectively by connecting plate
Rise, be bolted.
Thus, when screw rod rotates, it is ensured that No. 1 suction nozzle and No. 2 suction nozzle, the 4th No. 3 fixed suction nozzle both sides
The moving direction of number suction nozzle and No. 5 suction nozzle on the contrary, and two suction nozzle lateral distance relative inners in outside suction
Mouth is big, it is achieved thereby that luffing function.
Further, the threads of lead screw uses trapezoidal thread, and the top of each nut sleeve of described suction nozzle seat is provided with
The cylinder 20 of spring is installed, is connected respectively with frame by spring.Therefore when then when placement head progress luffing motion, forever
It is remote by unilateral horizontal pretightning force, it is to avoid during deflecting there is the error produced in sideshake.
Further, when the leading screw uses precision ball screw, the feed screw nut is directly connected with nut seat, nut
Seat is connected with the suction nozzle seat on component suction nozzle.
Further, during the work of described jib lubbing mechanism, power is provided by jib lubbing mechanism servomotor, and pass through timing belt
Transmission is transferred power on leading screw.
A kind of placement head suction nozzle luffing method using above-mentioned luffing placement head, multiple placement head suction nozzles are arranged in parallel within
It is installed along with paster head bracket, and can be moved in parallel on the track of paster head bracket, it is characterised in that multiple placement head
Luffing is moved when suction nozzle is moved in parallel on the track of paster head bracket；Described luffing motion is by a forward-reverse spiral formula
Screw mandrel drive multiple placement head suction nozzles to do luffing motion.
Further, described multiple paster suction nozzles are 5 paster suction nozzles, wherein, No. 3 suction nozzle is in an intermediate position,
It is fixed on by a connecting plate of lower section on paster head bracket, its position is fixed, is not involved in the horizontal luffing motion of placement head；
No. 1 component suction nozzle and No. 2 component suction nozzle are located on the left of No. 3 component suction nozzle, No. 4 component suction nozzle and No. 5 suction nozzle group
Part is located on the right side of No. 3 suction nozzles；Described jib lubbing mechanism by Changeable Lead become the leading screw of rotation direction respectively with No. 1 component suction nozzle,
The bolted nut holder assembly combination of four suction nozzles of No. 2 component suction nozzle, No. 4 component suction nozzle and No. 5 component suction nozzle
Constitute, by Changeable Lead become rotation direction leading screw adjust No. 1 suction nozzle, No. 2 suction nozzle, No. 4 suction nozzle and No. 5 suction nozzle and it
Relative to the 3rd component suction nozzle spacing realize luffing adjust.
Further, the leading screw of the Changeable Lead change rotation direction of described jib lubbing mechanism is driven by servomotor, by timing belt
Transmission will drive leading screw to rotate in power transmission to leading screw.No. 1 suction nozzle seat, No. 2 suction nozzle seat, No. 4 suction nozzle seat and No. 5
Suction nozzle seat be connected respectively by one piece of connecting plate with nut assembly, nut assembly including nut and with its bolted nut
Set, is disposed with straight-line guide rail slide block component above and below placement head suction nozzle seat rear, and suction nozzle seat passes through bolt and straight-line guide rail slide block
Link together.When leading screw is driven by motor to be rotated, nut can produce the movement of transverse direction on leading screw, so as to drive nut sleeve
And slided with the placement head suction nozzle seat that it is connected by connecting plate on cross slide way, thus achieve the motion of placement head.
Further, described leading screw is that the screw combinations of multistage not equal lead and rotation direction are formed, wherein, the 1st section of screw thread
Identical with the 2nd section of thread rotary orientation, the 3rd section of screw thread is identical with the 4th section of thread rotary orientation, the 1st section of screw thread, the 2nd section of thread rotary orientation and the 3rd
Section screw thread, the 4th section of thread rotary orientation are opposite；1st section of screw thread and the 4th section of lead are the 2nd section of screw thread and the 3rd section of lead
Twice；1st section of screw thread of screw rod, the 2nd section of screw thread, the 3rd section of screw thread, the 4th section of screw thread are the impulse stroke of four nuts, four respectively
Individual nut is connected to No. 1 suction nozzle seat, No. 2 suction nozzle seat, No. 4 suction nozzle seat and No. 5 suction nozzle seat respectively by connecting plate
Together, it is bolted.
Thus, when screw rod rotates, it is ensured that No. 1 suction nozzle and No. 2 suction nozzle, the 4th No. 3 fixed suction nozzle both sides
The moving direction of number suction nozzle and No. 5 suction nozzle on the contrary, and two suction nozzle lateral distance relative inners in outside suction
Mouth is big, it is achieved thereby that luffing function.
In addition, consistent with the calculating benchmark of luffing for the ease of positioning, position when 5 suction nozzle seats are drawn close completely is set
For the initial null position of each suction nozzle seat, while four nuts of jib lubbing mechanism take the position nearest from middle fixed component suction nozzle 3
Put as first position, it is contemplated that tiled configuration will not be full symmetric during screw rod processing screw thread, therefore in assembling, each suction nozzle
The connecting hole of connecting plate and nut will not be completely to the heart, therefore opens mounting hole with nut junction on connecting plate, is easy to compensation horizontal
To hole position deviation ensure the initial null position of each suction nozzle seat.In amplitude changing process, due to the spiral shell of No. 3 component suction nozzle both sides
Line is oppositely oriented, then No. 1 component suction nozzle when leading screw is rotated positioned at No. 3 component suction nozzle both sides, No. 2 suction nozzle group
Part, No. 4 component suction nozzle and No. 5 component suction nozzle can be moved towards opposite direction, simultaneously as being in No. 1 of outside
Lead is that screw thread is led at the component suction nozzle of inner side the 2nd, No. 4 component suction nozzle at component suction nozzle, No. 5 component suction nozzle
Twice of journey, then when leading screw rotate a unit, corresponding No. 2 component suction nozzle, No. 4 component suction nozzle towards reverse movement one
Unit, at the same No. 1 component suction nozzle, No. 5 component suction nozzle towards reverse movement two units.Thereby ensure that 5 component suction nozzles
Between spacing be all 1 unit.Similarly, when leading screw is rotated in amplitude changing process, it is ensured that the spacing between 5 component suction nozzles
It is consistent, realizes luffing.
Meanwhile, if threads of lead screw uses trapezoidal thread, it is contemplated that placement head is in amplitude changing process, suction nozzle seat deflecting campaign
Can be because the presence of screw thread sideshake produces deflecting error.Therefore in the top of each nut sleeve provided with the cylinder for installing spring,
It is connected respectively with frame by spring.Then when placement head carries out luffing motion, forever by unilateral horizontal pretightning force, keep away
When having exempted from deflecting there is the error produced in sideshake.
When installing placement head, the jib lubbing mechanism feed screw nut component with nut and nut seat is first mounted in placement head branch
On frame, while making the first position of four nuts on leading screw all be drawn close to centre, then by jib lubbing mechanism servomotor and branch is installed
Frame is screwed on paster head bracket, and synchronizing wheel and synchronization are loaded onto in the output end of motor and the power intake of screw mandrel
Band simultaneously will tighten the screw of synchronizing wheel and the fixation spiral shell of jib lubbing mechanism servomotor mounting bracket after timing belt tensioning properly
Silk.By five paster head assemblies it is separately installed after the completion of want to be connected with respective nut seat on leading screw by screw again, its middle position
Individually it is fixed in middle No. three suction nozzles seat on paster head bracket.For the jib lubbing mechanism using trapezoidal screw, finally
The spring that the spring that spring is arranged in four nut sleeves is installed in the middle of cylinder and paster head bracket is installed between cylinder, for
Using the jib lubbing mechanism of precision ball screw, make four on leading screw nuts to be first close to middle 3rd component suction nozzle position
After position, feed screw nut jib lubbing mechanism is directly connected by connecting plate with the 1st, 2,4,5 component suction nozzles.
Operationally, when inhaling component, software output program instruction control z-axis servomotor is rotated placement head, and driving is inhaled
When mouth bar drive nozzle head moves downwardly to specified location, z-axis servomotor stops operating.Now programme-control jettron,
Suction nozzle rod inner air is evacuated by vacuum plant and to form negative pressure and picks up component.Then z-axis servomotor, which will be rotated, to paste
Head rise to specified location.Placement head passes through image procossing and feedback, servomotor during operating position is moved to
Programmed instruction is received to be rotated to the spacing progress luffing between each placement head, while pc is exported after feedack is handled
Programmed instruction driving θ angle adjustment motors compensate and correct the angle of component.After assigned work position is reached, z-axis is watched
Take motor and receive instruction rotation, control placement head is moved downward with component, and the electromagnetism of negative pressure is controlled when reaching specified location
Valve is closed, while opening purge valve, baric systerm is blown by suction nozzle to element of the absorption on suction nozzle, then component is due to certainly
In the presence of body gravity and air blowing air pressure, whereabouts is mounted on pcb plates.Each paster head status zero of programme-control afterwards, enters
Row next work period realizes work purpose.
The advantage of the invention is that：All placement head suction nozzles are separately mounted in placement head mounting seat by the present invention, are passed through
One jib lubbing mechanism carries out position luffing adjustment so that placement head can realize that luffing is moved, for improving overall chip mounter
Performance has good effect.Become the leading screw of rotation direction especially by a Changeable Lead, drive placement head to inhale by the rotation of screw rod
Mouth transverse direction luffing motion, with reliable in action, the characteristics of simple in construction.
It will be apparent that the embodiment cited by the application is intended merely to be described further institute to the principle and structure of the present invention
The several examples enumerated, some improvement that any principle design according to the present invention is done should all belong to the model that the present invention is protected
Enclose.
Explanation of nouns：
1st, θ axles：Refer to the motor shaft for driving suction nozzle gyration
2nd, z-axis：Refer to the electric machine main shaft for driving component suction nozzle to move up and down
3rd, p axles：The electric machine main shaft of the expansion of suction nozzle seat or gathering motion when driving timing belt.
Claims (6)
1. a kind of luffing placement head of chip mounter forward-reverse spiral formula, includes multiple paster component suction nozzles of more than 2, multiple pasters
Component suction nozzle is arranged in parallel to be combined on paster head bracket, and can be slided along p axles line slideway, and its feature exists
In being also equipped with jib lubbing mechanism on paster head bracket, jib lubbing mechanism is connected with each movable paster component suction nozzle, described
Multiple paster component suction nozzles be by paster head bracket jib lubbing mechanism drive slided along p axles line slideway,
And luffing adjustment motion is acted by jib lubbing mechanism band by servomotor；Described multiple paster component suction nozzles are that 5 pasters are inhaled
Nozzle assembly, wherein, No. 3 component suction nozzle is in an intermediate position, is fixed on by a connecting plate of lower section on paster head bracket,
Its position is fixed, and is not involved in the horizontal luffing motion of placement head；No. 1 component suction nozzle and No. 2 component suction nozzle are located at No. 3 suction
On the left of nozzle assembly, No. 4 component suction nozzle and No. 5 component suction nozzle are located on the right side of No. 3 suction nozzles；Described jib lubbing mechanism is by a change
The leading screw that lead becomes rotation direction is inhaled with No. 1 component suction nozzle, No. 2 component suction nozzle, No. 4 component suction nozzle and No. 5 respectively
The nut holder assembly combination of four component suction nozzles connection of nozzle assembly is constituted, and becomes the leading screw adjustment the of rotation direction by becoming lead
No. 1 component suction nozzle, between No. 2 component suction nozzle, No. 4 component suction nozzle and No. 5 component suction nozzle and with No. 3 fixed suction nozzle
The spacing of component realizes that luffing is adjusted；The leading screw that the change lead of described jib lubbing mechanism becomes rotation direction is driven by servomotor,
In power transmission to leading screw leading screw will be driven to rotate by toothed belt transmission;No. 1 suction nozzle seat, No. 2 suction nozzle seat, No. 4 suction
Mouth seat and No. 5 suction nozzle seat are connected by one piece of connecting plate with nut assembly respectively, nut assembly including nut and with its spiral shell
Tether the nut sleeve connect, be disposed with straight-line guide rail slide block component above and below placement head suction nozzle seat rear, suction nozzle seat by bolt with
Straight-line guide rail slide block links together；When leading screw is driven by motor to be rotated, nut can produce the movement of transverse direction on leading screw, from
And drive nut sleeve and slided with the placement head suction nozzle seat that it is connected by connecting plate on cross slide way, thus achieve paster
The motion of head.
2. the luffing placement head of chip mounter forward-reverse spiral formula according to claim 1, it is characterised in that described leading screw is
Multistage does not wait the screw combinations of lead and rotation direction to be formed, wherein, the 1st section of screw thread is identical with the 2nd section of thread rotary orientation, the 3rd section
Screw thread is identical with the 4th section of thread rotary orientation, and the 1st section of screw thread, the 2nd section of thread rotary orientation are opposite with the 3rd section of screw thread, the 4th section of thread rotary orientation；
1st section of screw thread and the 4th section of lead is the 2nd section of screw thread and the 3rd section of lead twice；1st section of screw thread, the 2nd of screw rod
Section screw thread, the 3rd section of screw thread, the 4th section of screw thread are the impulse stroke of four nuts respectively, and four nuts are by connecting plate respectively with the
No. 1 suction nozzle seat, No. 2 suction nozzle seat, No. 4 suction nozzle seat and No. 5 suction nozzle seat link together, and are bolted.
3. the luffing placement head of chip mounter forward-reverse spiral formula according to claim 2, when screw uses trapezoidal thread
When, it is characterised in that distinguished provided with the cylinder for installing spring by spring the top of each nut sleeve of described suction nozzle seat
It is connected with frame, therefore then when placement head carries out luffing motion, forever by unilateral horizontal pretightning force, it is to avoid become
To when sideshake there is the error produced.
4. the luffing placement head of the chip mounter forward-reverse spiral formula according to claim 2, it is characterised in that placement head is installed
When, the 3rd component suction nozzle is installed on the basis of the alignment pin on placement head bottom plate, then with the suction nozzle seat two sides of the 3rd component suction nozzle
On the basis of, the 1st component suction nozzle, the 2nd component suction nozzle, the 4th component suction nozzle and the 5th component suction nozzle are arranged on to the sliding block of base plate rail
On, initial position is that five component suction nozzles draw close installation side by side, and the spacing by 5 suction nozzles of accuracy guarantee of part is equal, together
When installing, the 1st component suction nozzle, the 2nd component suction nozzle, the 3rd component suction nozzle and a 4th component suction nozzle section feed screw nut are taken close to centre
The fixed position of component suction nozzle 3 is first position, consistent with the calculating benchmark of luffing for the ease of positioning, and 5 suction nozzle seats are leaned on completely
Position when holding together is set as the initial null position of each suction nozzle seat, and opens mounting hole with nut junction on connecting plate, is used for
Horizontal hole position deviation is compensated to ensure initial null position that each suction nozzle seat is connected with feed screw nut.
5. the luffing placement head of chip mounter forward-reverse spiral formula according to claim 3, it is characterised in that described luffing machine
When structure works, power is provided by jib lubbing mechanism servomotor, and transfer power on leading screw by toothed belt transmission.
6. the placement head suction nozzle luffing method of luffing placement head described in a kind of utilization claim 1, by multiple placement head suction nozzle groups
Part, which is arranged in parallel within, to be installed along with paster head bracket, and can be moved in parallel on the track of paster head bracket, and its feature exists
In luffing is moved when multiple placement head component suction nozzles are moved in parallel on the track of paster head bracket；Described luffing is moved
Multiple placement head suction nozzles are driven to do what luffing was moved by the screw mandrel of a forward-reverse spiral formula；Described multiple paster suction nozzles are 5
Individual paster component suction nozzle, wherein, No. 3 component suction nozzle is in an intermediate position, and paster is fixed on by a connecting plate of lower section
On head bracket, its position is fixed, and is not involved in the horizontal luffing motion of placement head；No. 1 component suction nozzle and No. 2 component suction nozzle position
On the left of No. 3 component suction nozzle, No. 4 component suction nozzle and No. 5 component suction nozzle are located on the right side of No. 3 suction nozzles；Described luffing machine
Structure by one become lead become rotation direction leading screw respectively with No. 1 component suction nozzle, No. 2 component suction nozzle, No. 4 component suction nozzle
The bolted nut holder assembly combination of four suction nozzles with No. 5 component suction nozzle is constituted, and rotation direction is become by becoming lead
The spacing that leading screw adjusts No. 1 suction nozzle, No. 2 suction nozzle, No. 4 suction nozzle and No. 5 suction nozzle realizes that luffing is adjusted；Described leading screw
The screw combinations of lead and rotation direction are not waited to be formed for multistage, wherein, the 1st section of screw thread is identical with the 2nd section of thread rotary orientation, and the 3rd
Section screw thread is identical with the 4th section of thread rotary orientation, the 1st section of screw thread, the 2nd section of thread rotary orientation and the 3rd section of screw thread, the 4th section of thread rotary orientation phase
Instead；1st section of screw thread and the 4th section of lead is the 2nd section of screw thread and the 3rd section of lead twice；1st section of screw thread of screw rod,
2nd section of screw thread, the 3rd section of screw thread, the 4th section of screw thread are the impulse stroke of four nuts respectively, and four nuts are distinguished by connecting plate
Link together, be bolted with No. 1 suction nozzle seat, No. 2 suction nozzle seat, No. 4 suction nozzle seat and No. 5 suction nozzle seat；By
This, when screw rod rotates, it is ensured that in No. 1 suction nozzle and No. 2 suction nozzle of No. 3 fixed suction nozzle both sides, No. 4 suction nozzle and
The moving directions of No. 5 suction nozzles is on the contrary, and No. 1 suction nozzle in outside, the 5th suction nozzle lateral distance are No. 2 of inner side
Twice of suction nozzle, No. 4 suction nozzle displacement, it is achieved thereby that luffing function, and ensure in amplitude changing process, five suction nozzles
Spacing it is equal all the time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510085303.2A CN104640371B (en) | 2015-02-17 | 2015-02-17 | The luffing placement head and its luffing method of a kind of chip mounter forward-reverse spiral formula |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510085303.2A CN104640371B (en) | 2015-02-17 | 2015-02-17 | The luffing placement head and its luffing method of a kind of chip mounter forward-reverse spiral formula |
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| CN104640371A CN104640371A (en) | 2015-05-20 |
| CN104640371B true CN104640371B (en) | 2017-11-07 |
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| CN201510085303.2A Expired - Fee Related CN104640371B (en) | 2015-02-17 | 2015-02-17 | The luffing placement head and its luffing method of a kind of chip mounter forward-reverse spiral formula |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523379B (en) * | 2015-12-03 | 2019-09-10 | 深圳市兴华炜科技有限公司 | A kind of scissor-type townhouse suction nozzle feed patch control method |
| CN105746626A (en) * | 2016-04-29 | 2016-07-13 | 北京申晨机械设备有限公司 | Dough piece separating mechanism, dough piece turn-transporting device and dough piece cutting equipment |
| CN110203691A (en) * | 2019-05-07 | 2019-09-06 | 良忠城精密科技(苏州)有限公司 | A kind of stepless automatic change spacing mould group |
| CN110191629A (en) * | 2019-06-04 | 2019-08-30 | 江苏腾世机电有限公司 | A kind of automatic equidistant regulating device of chip mounter |
| CN111669963B (en) * | 2020-05-26 | 2023-09-05 | 江西易通智能装备制造有限公司 | Head attaching assembly, chip mounter and chip attaching method |
| CN112249579A (en) * | 2020-10-23 | 2021-01-22 | 南京晓庄学院 | Differential distributed control type automatic dispensing device for traditional Chinese medicine |
| CN114173488B (en) * | 2021-12-07 | 2023-11-03 | 宜宾鼎卓科技有限公司 | Suction nozzle device for SMT chip mounter and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102548237A (en) * | 2011-12-31 | 2012-07-04 | 广东工业大学 | Follow-up surface mounting head of direct-drive high-speed and high-efficiency feeder |
| CN104349603A (en) * | 2014-09-18 | 2015-02-11 | 中南林业科技大学 | Patch pasting method and device for patch head of patch pasting machine |
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2015
- 2015-02-17 CN CN201510085303.2A patent/CN104640371B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102548237A (en) * | 2011-12-31 | 2012-07-04 | 广东工业大学 | Follow-up surface mounting head of direct-drive high-speed and high-efficiency feeder |
| CN104349603A (en) * | 2014-09-18 | 2015-02-11 | 中南林业科技大学 | Patch pasting method and device for patch head of patch pasting machine |
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| CN104640371A (en) | 2015-05-20 |
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