CN204191035U - A kind of placement head of chip mounter - Google Patents
A kind of placement head of chip mounter Download PDFInfo
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- CN204191035U CN204191035U CN201420537199.7U CN201420537199U CN204191035U CN 204191035 U CN204191035 U CN 204191035U CN 201420537199 U CN201420537199 U CN 201420537199U CN 204191035 U CN204191035 U CN 204191035U
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- placement head
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- timing belt
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Abstract
A placement head for chip mounter, placement head installs back board module and pneumatic operated valve island holder assembly by multiple separate placement head component suction nozzle and mark photomoduel, placement head to combine and form; Wherein, mark photomoduel is fixed on above placement head installation backboard, for location of taking pictures to pcb board in paster process by two pieces of connecting plates; Placement head component suction nozzle, pneumatic operated valve island holder assembly link together with installation back board module, suction nozzle is driven to move up and down at STAR axle by the nozzle head assembly of placement head component suction nozzle, pneumatic operated valve island holder assembly is then for nozzle head assembly provides suction, install on back board module at placement head simultaneously and p axle slide block guide rail assembly is also housed, p axle slide block guide rail assembly drives each suction nozzle seat of placement head component suction nozzle to do horizontal luffing along p axle and moves.
Description
Technical field
The utility model belongs to the parts that a kind of electronic device makes process equipment, in particular for the chip mounter placement head of miniaturized electronic devices attachment, is mainly used in carrying out high speed on pcb plate, stable, mounts miniature electric components and parts accurately.Realize entering plate from pcb, send plate, location, placement head suction, location, the Automatic Control of attachment.
Background technology
Chip mounter is also known as " placement equipment ", " surface mount system " (Surface Mount System), in production line, after it is configured in point gum machine or screen process press, be a kind of equipment by mobile mounting head Surface Mount Component, is placed on exactly on PCB pad.Be divided into manual and full-automatic two kinds.Full-automatic chip mounter is used to the equipment realizing at a high speed, be fully automatically placed with accurately components and parts, is most critical, the most complicated equipment during whole SMT produces.Chip mounter is the capital equipment in the production line of SMT, and chip mounter develops into high speed optical centering chip mounter from early stage low-speed machinery chip mounter, and to multi-functional, flexibly connect modularization development.
Current chip mounter is various in style, but no matter is fully automatic high-speed chip mounter or manual low speed chip mounter, and its all layouts all have similar part.Full-automatic chip mounter is by computer control, the high-precision automatic equipment of light harvesting electrical-mechanical one, primarily of frame, PCB transmits and carrying tissue, driving system, location and centering system, mounting head, loader, optical identification system, transducer and computer control system composition, it comprises and draws-the function such as displacement-location-placement, completes and quickly and is accurately mounted by SMD element.The placement head of chip mounter is as the vitals of whole machine, and the performance for whole machine is very crucial, after placement head pickup device can under the control of corrective system automatic calibration position, and components and parts are placed with exactly the position of specifying.The development of placement head is the mark of chip mounter progress, and placement head develops into bull optical centering by early stage single head, mechanical centering; Early stage single head chip mounter is formed by suction nozzle, locating detent, positioning table and Z axis, angular movement second system, and is fixed on X.Y shaft transmission.After suction nozzle draws components and parts, realize components and parts centering by mechanical centering body and simultaneously to loader signal (signal of telecommunication or mechanical signal), next components and parts entered and inhales sheet position.But this mode paster speed is very slow, is usually placed with chip components and parts and needs Is.In order to improve paster speed, people take the method increasing placement head quantity, namely adopt multiple placement head to increase paster speed.Fixed multi-head is the structure that current universal chip mounter adopts, fixed multi-head outward appearance it be improve on the basis of former single head, namely increase 3 ~ 6 placement heads by single head.They are still fixed on X.Y axle, but do not re-use mechanical centering and change the optical centering of various ways into.Draw components and parts respectively during work, be then placed with successively again on PCB assigned address after centering.But existing placement head exists distance, and adjustment is immutable, be all even the position fixed, therefore for some need to carry out luffing adjust placement head time, cannot adjust, therefore necessaryly to be improved further.
By retrieving the patent literature found that there is about chip mounter, the patent relevant to the utility model mainly contains following:
1, the patent No. is CN201410265523.9, name is called " a kind of Novel patch head and chip mounter ", which disclose a kind of Novel patch head, what comprise vertically disposed soup stick and drive soup stick to rotate in the horizontal direction horizontally rotates motor, the described motor that horizontally rotates comprises motor body and output shaft, wherein said soup stick is the output shaft horizontally rotating motor, described soup stick in the vertical direction can with motor body relative sliding.
2, the patent No. is CN201410204644.2, and name is called " matrix form chip mounter ", which discloses a kind of double end matrix form chip mounter.It, at the affixed supporting plate in sliding floor two ends of placement equipment, is provided with the mounting head that two rows arrange along sliding floor length direction between two supporting plates, lift beam supporting plate being also provided with rack beams and can controlling the rising of second row mounting head or decline.In the utility model double end matrix form chip mounter in the prior art placement equipment sliding floor on supporting plate is set, between supporting plate, locating bar is set, locating bar is set up row's mounting head, the utility model is improved to the structure with double mounting head, the attachment efficiency of the utility model chip mounter is doubled.In addition, also guide rod is established between double mounting head of the present utility model, thus, make the mounting head increased newly both can carry out the adjustment of lateral separation to it, also the adjustment of fore-and-aft distance can be carried out to it, like this, by regulating the horizontal and vertical coordinate of newly-increased mounting head, realize using double mounting head structure to mount the function of different elements simultaneously.
3, the patent No. is CN201310043021.7, and name is called " a kind of many suction nozzles synchronously inhale the efficient placement head of subsides ", which discloses the efficient placement head that a kind of many suction nozzles synchronously inhale subsides.Include supporting bracket, module is pasted in guide rail slide block, substrate, some suctions, drive and inhale the driving mechanism and driving of moving both vertically pasting that module moves up and down and inhale and paste module and make the horizontal movement driving mechanism of horizontal linear displacement, wherein substrate is installed on the supporting plate by guide rail slide block, and is fixed on and moves both vertically on driving mechanism; Suction is pasted module and is arranged on substrate, make horizontal linear displacement and paste between module to regulate the horizontal movement driving mechanism of the spacing of inhaling between subsides module to be arranged on substrate and to inhale, and suction subsides module is connected with horizontal movement driving mechanism for driving suction subsides module.
4, the patent No. is CN201110458557.6, and name is called " a kind of direct-driven high-speed high-efficiency feeder follow-up type placement head ", which discloses a kind of direct-driven high-speed high-efficiency feeder follow-up type placement head.This placement head includes the support plate be arranged on chip mounter X-axis beam guideway slide block, chip angle governor motion, cylinder manifold assembly, direct-drive type Z axis fine motion attachment motor, direct-drive type Z axis F.F. mechanism, soup stick and component suction nozzle, feed appliance supporting and position adjusting mechanism, feed appliance mounting bracket, follow-up type belt feeder.
Although these patents above-mentioned all relate to the placement head of chip mounter, but the lateral separation having only had patent CN201410204644.2 to relate between mounting head and the adjustment of fore-and-aft distance, but carefully analyze and can find out, this patent still just utilizes two row's mounting heads, carried out the position adjustment of the placement head of whole row by the mutual alignment adjusting two row's mounting heads, still can not specifically adjust respectively each placement head of same row; Therefore how to carry out the adjustment between each suction nozzle of placement head, the luffing adjustment realized between any placement head is still the difficult problem needing to solve.
Utility model content
The purpose of this utility model is the deficiency of placement head existing in the adjustment of position for current chip mounter, a kind of pasting method and device of new chip mounter placement head are proposed, the pasting method of this kind of chip mounter placement head and device can realize multiple placement head separately between position from Row sum-equal matrix, realize the operation of arbitrary luffing, reach placement head to stablize, accurately, the object mounted fast.
For realizing the purpose of this utility model, the implementer's case proposed is: a kind of placement head of chip mounter, and placement head installs back board module and pneumatic operated valve island holder assembly by multiple separate placement head component suction nozzle and mark photomoduel, placement head to combine and form; Wherein, mark photomoduel is fixed on above placement head installation backboard, for location of taking pictures to pcb board in paster process by two pieces of connecting plates; Placement head component suction nozzle, pneumatic operated valve island holder assembly link together with installation back board module, suction nozzle is driven to move up and down at STAR axle by the nozzle head assembly of placement head component suction nozzle, pneumatic operated valve island holder assembly is then for nozzle head assembly provides suction, install on back board module at placement head simultaneously and p axle slide block guide rail assembly is also housed, p axle slide block guide rail assembly drives each suction nozzle seat of placement head component suction nozzle to do horizontal luffing along p axle and moves.
Further, described placement head component suction nozzle comprises nozzle head assembly, nozzle head assembly is arranged on STAR axle, be connected on splined shaft assembly lower end, splined shaft connects suction nozzle rod upper bracket and suction nozzle rod upper cap through on the axis hole in suction nozzle seat z-axis direction, suction nozzle rod upper bracket underrun bolt is connected on z-axis guide rail slide block, and side is bolted Timing Belt teeth groove pressing plate, Timing Belt and Timing Belt flat clamp; STAR axle is also provided with STAR axle synchronizing wheel, STAR axle synchronizing wheel is driven by STAR spindle motor by belt, and STAR spindle motor is arranged on suction nozzle seat by STAR spindle motor seat.
Further, the horizontal luffing motion of described P axle each suction nozzle seat provides p axle horizontal luffing motion-promotion force by p axle servomotor, motion is passed to p axle driving shaft by shaft coupling by motor, the upper and lower active synchronization wheel of p axle is fixed on p axle driving shaft by holding screw, and upper and lower synchronizing wheel is followed while driving shaft synchronously carries out rotating and driven upper and lower two Timing Belts to carry out horizontal movement at p axle; One of them suction nozzle seat of multiple placement head is fixing suction nozzle seat, is screwed in placement head and installs on backboard, do not participate in the transverse movement of p axle.Remaining suction nozzle seat is all connected with p axle Timing Belt by toothed teeth groove pressing plate, follows Timing Belt and moves at p direction of principal axis, realizes the horizontal luffing motion of p axle.
Further, consistent with the Calculation Basis of luffing for the ease of location, position when multiple suction nozzle seat is drawn close completely is set as the initial null position of each suction nozzle seat, consider the mode of being fixed by teeth groove pressing plate can not make completely multiple suction nozzle seat when zero position simultaneously with the mounting hole site of pressing plate to the heart, on teeth groove pressing plate, therefore have the biased difference in hole of mounting hole compensate for lateral to ensure the initial null position of each suction nozzle seat.And in the connection procedure of Timing Belt and suction nozzle seat, the mounting hole opened by teeth groove pressing plate adapts to the pitch of Timing Belt, ensure to regulate more reliably.
Further, described nozzle head assembly is connected on splined shaft assembly lower end, splined shaft connects suction nozzle rod upper bracket and suction nozzle rod upper cap through on the axis hole in suction nozzle seat z-axis direction, suction nozzle rod upper bracket underrun bolt is connected on z-axis guide rail slide block, side is bolted Timing Belt teeth groove pressing plate, Timing Belt and Timing Belt flat clamp.
Further, described STAR axle rotational power is provided by STAR shaft step motor, stepping motor is connected with suction nozzle seat by motor supporting base, motor output end is connect active synchronization wheel and is connected with the driven synchronizing wheel of suction nozzle rod lower end by V belt translation, then when signal input senses that inhaled components and parts have angular deviation in the horizontal direction, the angle that can adjust components and parts by the rotation of driving stepper motor STAR axle achieves the rotation adjustment movement of the placement head suction nozzle of STAR axle.
Further, described pneumatic operated valve island holder assembly comprises pneumatic operated valve island support, and pneumatic operated valve island support installing is installed on back board module mount pad at placement head, pneumatic operated valve island support is provided with valve island seat, valve island seat is provided with electromagnetically operated valve group; In the seat of valve island, each number of suction nozzle is provided with passage, each passage, by installing superincumbent solenoid control break-make, is provided with the outlet connection of each passage in the bottom of valve island seat, outlet connection connects with the pneumatic inlet joint of placement head component suction nozzle; Outside the outlet connection of valve island seat, be set with vacuum pressure sensor, vacuum pressure sensor, for detecting the pressure of outlet connection internal channel, controls for electromagnetically operated valve; Also be provided with the pneumatic inlet joint communicated with each passage at the opposite side of valve island seat, each passage of valve island seat is also provided with filter PC plug.
Further, described placement head is installed back board module and is comprised placement head mount pad, placement head mount pad is provided with p axle slide block guide rail assembly, and the slide block of p axle slide block guide rail assembly is connected with nozzle head assembly respectively, and slides along p axle slide block guide rail under the drive of p axle Timing Belt; P axle Timing Belt is also arranged on placement head mount pad, and is driven by the p axle servomotor being arranged on placement head mount pad one.
The invention has the advantages that: all placement heads are arranged on placement head mount pad by the present invention respectively, position adjustment is carried out respectively by placement head installation back board module and placement head component suction nozzle, make placement head can realize luffing motion, have good effect for the performance improving overall chip mounter.Especially on P axle, each suction nozzle seat carries out horizontal movement by upper and lower two Timing Belts at p axle, realizes the horizontal luffing motion of p axle; Consistent with the Calculation Basis of luffing for the ease of location, position when also multiple suction nozzle seat being drawn close completely is set as the initial null position of each suction nozzle seat, with the installation double-void heart of pressing plate while of considering that the mode of being fixed by teeth groove pressing plate can not make multiple suction nozzle seat when zero position completely, on teeth groove pressing plate, therefore have the biased difference in hole of mounting hole compensate for lateral to ensure the initial null position of each suction nozzle seat.And in the connection procedure of Timing Belt and suction nozzle seat, the mounting hole opened by teeth groove pressing plate adapts to the pitch of Timing Belt, ensure to regulate more reliably; Effectively can solve like this and adopt pressing plate to be directly pressed in the problem existing for Timing Belt is connected with suction nozzle seat; Because pressing plate is on Timing Belt, tooth on Timing Belt can produce larger plastic deformation under force, when pressing plate is pressed on Timing Belt on suction nozzle seat, Timing Belt is adjacent to suction nozzle seat under the effect of pressing plate power, such Timing Belt just can not ensure linearity beyond being connected with suction nozzle, thus the kinematic accuracy affected in suction nozzle process of expansion, to bringing larger error in amplitude changing process, but adopt the biased difference in hole teeth groove pressing plate having mounting hole compensate for lateral just effectively can avoid the appearance of this problem.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of one embodiment of the invention;
Fig. 2 is the placement head component suction nozzle structural representation of the embodiment of the present invention;
Fig. 3 is placement head component suction nozzle each suction nozzle distributed architecture schematic diagram of the embodiment of the present invention;
Fig. 4 is that the placement head of the embodiment of the present invention installs back board module structural representation;
Fig. 5 is the placement head teeth groove pressure plate structure schematic diagram of the embodiment of the present invention;
Fig. 6 is that the placement head suction nozzle P axle luffing of the embodiment of the present invention regulates schematic diagram;
Fig. 7 is the rotation adjustment structure schematic diagram of the placement head suction nozzle of the embodiment of the present invention;
Fig. 8 is the pneumatic operated valve island holder assembly structural representation of the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment one
Accompanying drawing 1-8 gives a kind of implementer's case of the present invention.Can be found out by accompanying drawing, the present invention relates to a kind of placement head of chip mounter, placement head installs back board module 2 and pneumatic operated valve island holder assembly 3 by 5 separate placement head component suction nozzles 4 and mark photomoduel 1, placement head to combine and form; Wherein, mark photomoduel 1 is fixed on above placement head installation backboard 2, for location of taking pictures to pcb board in paster process by two pieces of connecting plates; Placement head component suction nozzle 4, pneumatic operated valve island holder assembly 3 link together with installation back board module 2, suction nozzle is driven to move up and down at STAR axle by the nozzle head assembly of placement head component suction nozzle 4, pneumatic operated valve island holder assembly 3 provides suction for nozzle head assembly 4, install on back board module 2 at placement head simultaneously and p axle slide block guide rail assembly is also housed, p axle slide block guide rail assembly drives each suction nozzle seat of placement head component suction nozzle 4 to do horizontal luffing along p axle and moves.
Along p axle, described each suction nozzle seat does that horizontal luffing moves is provide p axle horizontal luffing motion-promotion force source by p axle servomotor 19, motion is passed to p axle driving shaft 21 by shaft coupling 20 by p axle servomotor 19, on p axle, under active synchronization wheel 22 and p axle, active synchronization wheel 25 is fixed on p axle driving shaft 21 by holding screw, then on p axle, under active synchronization wheel 22 and p axle, active synchronization wheel 25 follows upper Timing Belt 24 that while driving shaft 21 synchronously carries out rotating, drive is enclosed within synchronizing wheel and lower Timing Belt 23 two Timing Belts carry out horizontal movement at p axle; Wherein the 3rd the suction nozzle seat 5 of 5 placement heads is fixing suction nozzle seat, is positioned at the centre of 5 suction nozzle seats, is screwed in placement head and installs on backboard 24, do not participate in the transverse movement of p axle; Remaining suction nozzle seat is all connected with p axle Timing Belt 24 by teeth groove pressing plate 10, follows Timing Belt 24 and moves at p direction of principal axis.In Fig. 5, motor 19 drives Timing Belt by shaft coupling 20, and the both sides of Timing Belt are connected with suction nozzle seat respectively by pressing plate, thus drives the expansion of suction nozzle seat or draw the spacing changing suction nozzle in, and the kinematic axis of motor 19 is also the spacing adjustment axle of placement head on P axle.
Described consistent with the Calculation Basis of luffing for the ease of location, position when 5 suction nozzle seats are drawn close completely is set as the initial null position of each suction nozzle seat, consider the mode of being fixed by teeth groove pressing plate can not make completely 5 suction nozzle seats when zero position simultaneously with the mounting hole site of pressing plate to the heart, on teeth groove pressing plate 10, therefore have the deviation of mounting hole 26 compensate for lateral position to ensure the initial null position of each suction nozzle seat.And in the connection procedure of Timing Belt and suction nozzle seat, the mounting hole 26 opened by teeth groove pressing plate and pressure tooth 27 adapt to the pitch of Timing Belt, ensure to regulate more reliably.
Luffing principle is as follows: the 3rd suction nozzle seat 5 is fixing suction nozzle seat, at p direction of principal axis without movement.Be positioned at the first suction nozzle seat 6, second suction nozzle seat 7 of the 3rd suction nozzle seat 5 both sides, 4th suction nozzle seat 8 and the 5th suction nozzle seat 9 are connected to outside in Timing Belt respectively by teeth groove pressing plate 10, wherein the first suction nozzle seat 6 and the second suction nozzle seat 7 are connected to the inner side of Timing Belt respectively by teeth groove pressing plate 10, and the 4th suction nozzle seat 8 and the 5th suction nozzle seat 9 are connected to the outside of Timing Belt respectively by teeth groove pressing plate 10; Then when p spindle motor drives upper and lower Timing Belt to rotate, the suction nozzle seat direction of motion being positioned at the 3rd suction nozzle seat 5 both sides is contrary.Meanwhile, because the synchronizing wheel rotating speed of Timing Belt is identical up and down, gear ratio is 2:1, and the pitch of Timing Belt is identical, so upper and lower two Timing Belts are 1:2 at the axial linear velocity ratio of p.Be positioned at outermost first suction nozzle seat 6 and the 5th suction nozzle seat 9 is connected to upper Timing Belt by teeth groove pressing plate 10, the second suction nozzle seat 7 and the 4th suction nozzle seat 8 that are positioned at inner side are connected to lower Timing Belt by teeth groove pressing plate 10.Then when p spindle motor drives upper and lower Timing Belt to rotate, whenever the second suction nozzle seat 7 of inner side and the 4th suction nozzle seat 8 to move along contrary direction a unit, be positioned at the first suction nozzle seat 6 and the 5th suction nozzle seat 9 counter motion simultaneously Liang Ge unit in outside.Namely the distance between five suction nozzle seats keeps instantaneous correspondence identical forever, achieves luffing function.
The up and down reciprocatingly attachment campaign of described Z axis placement head is that nozzle head assembly 11 is connected on splined shaft assembly 12 lower end, splined shaft connects suction nozzle rod upper bracket 14 and suction nozzle rod upper cap 15 through on the axis hole 13 in suction nozzle seat z-axis 17 direction, suction nozzle rod upper bracket 14 underrun bolt is connected on z-axis guide rail slide block 16, side is bolted Timing Belt teeth groove pressing plate 10, Timing Belt and Timing Belt flat clamp, when the forward and reverse rotation of z-axis servomotor 18, drive Timing Belt lower mobile in the z-axis direction, because Timing Belt is fixed on suction nozzle rod upper bracket by flat clamp and teeth groove platen clamp, and suction nozzle rod upper bracket is bolted on z-axis guide rail slide block, then Timing Belt moves up and down in process, suction nozzle rod upper bracket carrying out synchronous on z-axis guide rail is driven to pump, then splined shaft follow suction nozzle rod upper bracket move up and down drive below nozzle head carry out attachment work, during the up and down reciprocatingly attachment campaign of described Z axis placement head, when suction nozzle rod moves downward precalculated position, suction nozzle rod inside is made to form negative pressure by vacuum reflector, components and parts are picked up, when mounting, blocking loop by electromagnetically operated valve makes components and parts be mounted on pcb plate under gravity and the downward acceleration of suction nozzle self.Z axis is in moving up and down of suction nozzle 11, is realized by Timing Belt by servomotor 18 by pressing plate driving element 15,14.In Fig. 3 suction nozzle 11 top Timing Belt with and the stepping motor that is connected with Timing Belt be used for control element and mount the gyrobearing of process suction nozzle, the rotary motion motor shaft of suction nozzle on STAR axle, namely STAR axle.
During the up and down reciprocatingly attachment campaign of described Z axis placement head, when suction nozzle rod moves downward precalculated position, suction nozzle rod inside is made to form negative pressure by vacuum reflector, components and parts are picked up, when mounting, blocking loop by electromagnetically operated valve and components and parts are mounted on pcb plate under gravity and the downward acceleration of suction nozzle self.
The rotation adjustment movement of described STAR axle placement head suction nozzle is that STAR axle rotational power is provided by STAR shaft step motor 28, stepping motor 28 is connected with suction nozzle seat by motor supporting base, motor output end connects active synchronization wheel 29, be connected with the driven synchronizing wheel 30 of suction nozzle rod lower end by driving-belt 31 transmission, then when signal input senses that inhaled components and parts have angular deviation in the horizontal direction, the angle that can adjust components and parts by the rotation of driving stepper motor STAR axle achieves the rotation adjustment movement of the placement head suction nozzle of STAR axle.
Described pneumatic operated valve island holder assembly 3 comprises pneumatic operated valve island support 32, and pneumatic operated valve island support 32 is arranged on placement head and installs on back board module mount pad, pneumatic operated valve island support 32 is provided with valve island seat 33, valve island seat 33 is provided with electromagnetically operated valve group 34; In valve island seat 33, each number of suction nozzle is provided with passage, each passage controls break-make by installing superincumbent electromagnetically operated valve 34, be provided with the outlet connection 35 of each passage in the bottom of valve island seat 33, outlet connection 35 connects with the pneumatic inlet joint of placement head component suction nozzle; Outside the outlet connection of valve island seat 33, be set with vacuum pressure sensor 36, vacuum pressure sensor 36, for detecting the pressure of outlet connection internal channel, controls for electromagnetically operated valve 34; Also be provided with the pneumatic inlet joint 37 communicated with each passage at the opposite side of valve island seat 33, each passage of valve island seat is also provided with filter PC plug 38.
Described placement head is installed back board module 2 and is comprised placement head mount pad, placement head mount pad is provided with p axle slide block guide rail assembly, the slide block of p axle slide block guide rail assembly is connected with placement head component suction nozzle respectively, and slides along p axle slide block guide rail under the drive of p axle Timing Belt; P axle Timing Belt is also arranged on placement head mount pad, and is driven by the p axle servomotor being arranged on placement head mount pad one.
Can find out that the utility model relates to a kind of chip mounter placement head by above-described embodiment, the mode adopting multiple placement head to combine carries out paster; And separately between each placement head to adjust, the luffing operation of placement head is realized by the position adjusting placement head respectively; Between placement head separate carry out adjusting be each placement head Z axis placement head up and down reciprocatingly to mount motion, the horizontal luffing motion of P axle each suction nozzle seat and the rotation adjustment movement of STAR axle placement head suction nozzle be separate completing.
Further, the horizontal luffing motion of described P axle each suction nozzle seat provides p axle horizontal luffing motion-promotion force by p axle servomotor, motion is passed to p axle driving shaft by shaft coupling by motor, the upper and lower active synchronization wheel of p axle is fixed on p axle driving shaft by holding screw, and upper and lower synchronizing wheel is followed while driving shaft synchronously carries out rotating and driven upper and lower two Timing Belts to carry out horizontal movement at p axle; One of them suction nozzle seat of multiple placement head is fixing suction nozzle seat, is screwed in placement head and installs on backboard, do not participate in the transverse movement of p axle.Remaining suction nozzle seat is all connected with p axle Timing Belt by toothed teeth groove pressing plate, follows Timing Belt and moves at p direction of principal axis, realizes the horizontal luffing motion of p axle.When p spindle motor drives upper and lower Timing Belt to rotate, the suction nozzle seat direction of motion being positioned at fixing suction nozzle seat both sides is contrary; Meanwhile, because the synchronizing wheel rotating speed of Timing Belt is identical up and down, gear ratio is 2:1, and the pitch of Timing Belt is identical, so upper and lower two Timing Belts are 1:2 at the axial linear velocity ratio of p; Be positioned at outermost suction nozzle seat and be connected to upper Timing Belt by teeth groove pressing plate, the suction nozzle seat being positioned at inner side is connected to lower Timing Belt by teeth groove pressing plate; Then when p spindle motor drives upper and lower Timing Belt to rotate, whenever the suction nozzle seat of inner side moves a unit in the opposite direction, be positioned at the suction nozzle seat counter motion simultaneously Liang Ge unit in outside.Namely the distance between each suction nozzle seat keeps instantaneous correspondence identical forever, achieves luffing adjustment function.
Further, consistent with the Calculation Basis of luffing for the ease of location, position when multiple suction nozzle seat is drawn close completely is set as the initial null position of each suction nozzle seat, consider the mode of being fixed by teeth groove pressing plate can not make completely multiple suction nozzle seat when zero position simultaneously with the mounting hole site of pressing plate to the heart, on teeth groove pressing plate, therefore have the biased difference in hole of mounting hole compensate for lateral to ensure the initial null position of each suction nozzle seat.And in the connection procedure of Timing Belt and suction nozzle seat, the mounting hole opened by teeth groove pressing plate adapts to the pitch of Timing Belt, ensure to regulate more reliably.
Further, the up and down reciprocatingly attachment campaign of described Z axis placement head is that nozzle head assembly is connected on splined shaft assembly lower end, splined shaft connects suction nozzle rod upper bracket and suction nozzle rod upper cap through on the axis hole in suction nozzle seat z-axis direction, suction nozzle rod upper bracket underrun bolt is connected on z-axis guide rail slide block, side is bolted Timing Belt teeth groove pressing plate, Timing Belt and Timing Belt flat clamp, when the forward and reverse rotation of z-axis servomotor, drive Timing Belt lower mobile in the z-axis direction, because Timing Belt is fixed on suction nozzle rod upper bracket by flat clamp and teeth groove platen clamp, and suction nozzle rod upper bracket is bolted on z-axis guide rail slide block, then Timing Belt moves up and down in process, suction nozzle rod upper bracket carrying out synchronous on z-axis guide rail is driven to pump, then splined shaft follow suction nozzle rod upper bracket move up and down drive below nozzle head carry out attachment work, during the up and down reciprocatingly attachment campaign of described Z axis placement head, when suction nozzle rod moves downward precalculated position, suction nozzle rod inside is made to form negative pressure by vacuum reflector, components and parts are picked up, when mounting, blocking loop by electromagnetically operated valve makes components and parts be mounted on pcb plate under gravity and the downward acceleration of suction nozzle self.
Further, the rotation adjustment movement of described STAR axle placement head suction nozzle is that STAR axle rotational power is provided by STAR shaft step motor, stepping motor is connected with suction nozzle seat by motor supporting base, motor output end is connect active synchronization wheel and is connected with the driven synchronizing wheel of suction nozzle rod lower end by V belt translation, then when signal input senses that inhaled components and parts have angular deviation in the horizontal direction, the angle that can adjust components and parts by the rotation of driving stepper motor STAR axle achieves the rotation adjustment movement of the placement head suction nozzle of STAR axle.
All placement heads are arranged on placement head mount pad by the utility model respectively, position adjustment is carried out respectively by placement head installation back board module and placement head component suction nozzle, make placement head can realize luffing motion, have good effect for the performance improving overall chip mounter.Especially on P axle, each suction nozzle seat carries out horizontal movement by upper and lower two Timing Belts at p axle, realizes the horizontal luffing motion of p axle; Consistent with the Calculation Basis of luffing for the ease of location, position when also multiple suction nozzle seat being drawn close completely is set as the initial null position of each suction nozzle seat, consider the mode of being fixed by teeth groove pressing plate can not make completely multiple suction nozzle seat when zero position simultaneously with the mounting hole site of pressing plate to the heart, on teeth groove pressing plate, therefore have the biased difference in hole of mounting hole compensate for lateral to ensure the initial null position of each suction nozzle seat.And in the connection procedure of Timing Belt and suction nozzle seat, the mounting hole opened by teeth groove pressing plate adapts to the pitch of Timing Belt, ensure to regulate more reliably; Effectively can solve like this and adopt pressing plate to be directly pressed in the problem existing for Timing Belt is connected with suction nozzle seat; Because pressing plate is on Timing Belt, tooth on Timing Belt can produce larger plastic deformation under force, when pressing plate is pressed on Timing Belt on suction nozzle seat, Timing Belt is adjacent to suction nozzle seat under the effect of pressing plate power, such Timing Belt just can not ensure linearity beyond being connected with suction nozzle, thus the kinematic accuracy affected in suction nozzle process of expansion, to bringing larger error in amplitude changing process, but adopt the biased difference in hole teeth groove pressing plate having waist-shaped hole compensate for lateral just effectively can avoid the appearance of this problem.
Obviously, the embodiment cited by the application is just in order to be described further cited several examples to principle of the present invention and structure, and any some improvement done according to principle design of the present invention all should belong to the scope that the present invention protects.
Explanation of nouns:
1, STAR axle: refer to the motor shaft driving suction nozzle gyration
2, z-axis: refer to the electric machine main shaft driving component suction nozzle to move up and down
3, p axle: the i.e. electric machine main shaft of the expansion of suction nozzle seat or gathering motion during drive Timing Belt.
Claims (8)
1. a placement head for chip mounter, placement head is made up of multiple single sub-placement head, it is characterized in that, placement head installs back board module and pneumatic operated valve island holder assembly by multiple separate placement head component suction nozzle and mark photomoduel, placement head to combine and form; Wherein, mark photomoduel is fixed on above placement head installation backboard, for location of taking pictures to pcb board in paster process by two pieces of connecting plates; Placement head component suction nozzle, pneumatic operated valve island holder assembly link together with installation back board module, suction nozzle is driven to move up and down at STAR axle by the nozzle head assembly of placement head component suction nozzle, pneumatic operated valve island holder assembly is then for nozzle head assembly provides suction, install on back board module at placement head simultaneously and p axle slide block guide rail assembly is also housed, p axle slide block guide rail assembly drives each suction nozzle seat of placement head component suction nozzle to do horizontal luffing along p axle and moves.
2. the placement head of chip mounter according to claim 1, it is characterized in that, described placement head component suction nozzle comprises nozzle head assembly, nozzle head assembly is arranged on STAR axle, be connected on splined shaft assembly lower end, splined shaft connects suction nozzle rod upper bracket and suction nozzle rod upper cap through on the axis hole in suction nozzle seat z-axis direction, and suction nozzle rod upper bracket underrun bolt is connected on z-axis guide rail slide block, side is bolted Timing Belt teeth groove pressing plate, Timing Belt and Timing Belt flat clamp; STAR axle is also provided with STAR axle synchronizing wheel, STAR axle synchronizing wheel is driven by STAR spindle motor by belt, and STAR spindle motor is arranged on suction nozzle seat by STAR spindle motor seat.
3. the placement head of chip mounter according to claim 2, it is characterized in that, the horizontal luffing motion of described P axle each suction nozzle seat provides p axle horizontal luffing motion-promotion force by p axle servomotor, motion is passed to p axle driving shaft by shaft coupling by motor, the upper and lower active synchronization wheel of p axle is fixed on p axle driving shaft by holding screw, and upper and lower active synchronization wheel is followed while driving shaft synchronously carries out rotating and driven upper and lower two Timing Belts to carry out horizontal movement at p axle; One of them suction nozzle seat of multiple placement head is fixing suction nozzle seat, is screwed in placement head and installs on backboard, do not participate in the transverse movement of p axle; Remaining suction nozzle seat is all connected with p axle Timing Belt by toothed teeth groove pressing plate, follows Timing Belt and moves at p direction of principal axis, realizes the horizontal luffing motion of p axle.
4. the placement head of chip mounter according to claim 3, it is characterized in that, consistent with the Calculation Basis of luffing for the ease of location, position when multiple suction nozzle seat is drawn close completely is set as the initial null position of each suction nozzle seat, consider the mode of being fixed by teeth groove pressing plate can not make completely multiple suction nozzle seat when zero position simultaneously with the mounting hole site of pressing plate to the heart, on teeth groove pressing plate, therefore have the biased difference in hole of mounting hole compensate for lateral to ensure the initial null position of each suction nozzle seat; And in the connection procedure of Timing Belt and suction nozzle seat, the mounting hole opened by teeth groove pressing plate adapts to the pitch of Timing Belt, ensure to regulate more reliably.
5. the placement head of chip mounter according to claim 1, it is characterized in that, described nozzle head assembly is connected on splined shaft assembly lower end, splined shaft connects suction nozzle rod upper bracket and suction nozzle rod upper cap through on the axis hole in suction nozzle seat z-axis direction, suction nozzle rod upper bracket underrun bolt is connected on z-axis guide rail slide block, side is bolted Timing Belt teeth groove pressing plate, Timing Belt and Timing Belt flat clamp.
6. the placement head of chip mounter according to claim 1, it is characterized in that, described STAR axle rotational power is provided by STAR shaft step motor, stepping motor is connected with suction nozzle seat by motor supporting base, motor output end is connect active synchronization wheel and is connected with the driven synchronizing wheel of suction nozzle rod lower end by V belt translation, then when signal input senses that inhaled components and parts have angular deviation in the horizontal direction, can rotate by driving stepper motor STAR axle the angle adjusting components and parts, realize the rotation adjustment movement of STAR axle placement head suction nozzle.
7. the placement head of chip mounter according to claim 1, it is characterized in that, described pneumatic operated valve island holder assembly comprises pneumatic operated valve island support, and pneumatic operated valve island support installing is installed on back board module mount pad at placement head, pneumatic operated valve island support is provided with valve island seat, valve island seat is provided with electromagnetically operated valve group; In the seat of valve island, each number of suction nozzle is provided with passage, each passage, by installing superincumbent solenoid control break-make, is provided with the outlet connection of each passage in the bottom of valve island seat, outlet connection connects with the pneumatic inlet joint of placement head component suction nozzle; Outside the outlet connection of valve island seat, be set with vacuum pressure sensor, vacuum pressure sensor, for detecting the pressure of outlet connection internal channel, controls for electromagnetically operated valve; Also be provided with the pneumatic inlet joint communicated with each passage at the opposite side of valve island seat, each passage of valve island seat is also provided with filter PC plug.
8. the placement head of chip mounter according to claim 1, it is characterized in that, described placement head is installed back board module and is comprised placement head mount pad, placement head mount pad is provided with p axle slide block guide rail assembly, the slide block of p axle slide block guide rail assembly is connected with placement head component suction nozzle respectively, and slides along p axle slide block guide rail under the drive of p axle Timing Belt; P axle Timing Belt is also arranged on placement head mount pad, and is driven by the p axle servomotor being arranged on placement head mount pad one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537199.7U CN204191035U (en) | 2014-09-18 | 2014-09-18 | A kind of placement head of chip mounter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537199.7U CN204191035U (en) | 2014-09-18 | 2014-09-18 | A kind of placement head of chip mounter |
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| Publication Number | Publication Date |
|---|---|
| CN204191035U true CN204191035U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420537199.7U Expired - Fee Related CN204191035U (en) | 2014-09-18 | 2014-09-18 | A kind of placement head of chip mounter |
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| Country | Link |
|---|---|
| CN (1) | CN204191035U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104797089A (en) * | 2015-03-31 | 2015-07-22 | 张垒 | Chip mounting head of chip mounting machine |
| CN106304675A (en) * | 2015-05-14 | 2017-01-04 | 广东木几智能装备有限公司 | Placement head control system and method |
| CN106304674A (en) * | 2015-05-14 | 2017-01-04 | 广东木几智能装备有限公司 | High-speed paster head |
| CN106907381A (en) * | 2017-03-27 | 2017-06-30 | 深圳逻辑自动化科技有限公司 | A kind of large size special-shaped material mounting device and attachment control method |
| CN107340095A (en) * | 2017-06-27 | 2017-11-10 | 环鸿电子（昆山）有限公司 | A kind of pressure acquisition system and method for suction nozzle to be measured |
| CN107517584A (en) * | 2017-09-05 | 2017-12-26 | 中山市鸿菊自动化设备制造有限公司 | A kind of chip mounter suction nozzle bar is in Z-direction drive connection mechanism |
| CN110716588A (en) * | 2018-07-13 | 2020-01-21 | 苏州永测电子有限公司 | High-precision burning machine |
| CN112788862A (en) * | 2020-12-31 | 2021-05-11 | 江苏华志珹智能科技有限公司 | Linear motor drives paster head of Z axle |
| CN113620055A (en) * | 2021-08-16 | 2021-11-09 | 唐顺秀 | Pick-and-place mechanism with angle rotation function |
| CN114025603A (en) * | 2021-11-22 | 2022-02-08 | 深圳市景颢智造自动化科技有限公司 | Mounting head of mounting equipment |
| CN116395397A (en) * | 2023-06-09 | 2023-07-07 | 天津津亚电子有限公司 | But adjustment extracting device of pressfitting |
| CN116564861A (en) * | 2023-06-01 | 2023-08-08 | 伊瑟半导体科技(江苏)股份有限公司 | Chip bonding head and chip bonding method |
-
2014
- 2014-09-18 CN CN201420537199.7U patent/CN204191035U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104797089A (en) * | 2015-03-31 | 2015-07-22 | 张垒 | Chip mounting head of chip mounting machine |
| CN106304674B (en) * | 2015-05-14 | 2019-01-25 | 广东木几智能装备有限公司 | High-speed paster head |
| CN106304675A (en) * | 2015-05-14 | 2017-01-04 | 广东木几智能装备有限公司 | Placement head control system and method |
| CN106304674A (en) * | 2015-05-14 | 2017-01-04 | 广东木几智能装备有限公司 | High-speed paster head |
| CN106304675B (en) * | 2015-05-14 | 2019-05-24 | 广东木几智能装备有限公司 | Placement head control system and method |
| CN106907381A (en) * | 2017-03-27 | 2017-06-30 | 深圳逻辑自动化科技有限公司 | A kind of large size special-shaped material mounting device and attachment control method |
| CN107340095B (en) * | 2017-06-27 | 2019-08-13 | 环鸿电子（昆山）有限公司 | A kind of pressure acquisition system and method for suction nozzle to be measured |
| CN107340095A (en) * | 2017-06-27 | 2017-11-10 | 环鸿电子（昆山）有限公司 | A kind of pressure acquisition system and method for suction nozzle to be measured |
| CN107517584A (en) * | 2017-09-05 | 2017-12-26 | 中山市鸿菊自动化设备制造有限公司 | A kind of chip mounter suction nozzle bar is in Z-direction drive connection mechanism |
| CN110716588A (en) * | 2018-07-13 | 2020-01-21 | 苏州永测电子有限公司 | High-precision burning machine |
| CN112788862A (en) * | 2020-12-31 | 2021-05-11 | 江苏华志珹智能科技有限公司 | Linear motor drives paster head of Z axle |
| CN112788862B (en) * | 2020-12-31 | 2024-05-24 | 江苏华志珹智能科技有限公司 | Patch head of linear motor drive Z axle |
| CN113620055A (en) * | 2021-08-16 | 2021-11-09 | 唐顺秀 | Pick-and-place mechanism with angle rotation function |
| CN114025603A (en) * | 2021-11-22 | 2022-02-08 | 深圳市景颢智造自动化科技有限公司 | Mounting head of mounting equipment |
| CN116564861A (en) * | 2023-06-01 | 2023-08-08 | 伊瑟半导体科技(江苏)股份有限公司 | Chip bonding head and chip bonding method |
| CN116564861B (en) * | 2023-06-01 | 2024-02-02 | 伊瑟半导体科技(江苏)股份有限公司 | Chip bonding head and chip bonding method |
| CN116395397A (en) * | 2023-06-09 | 2023-07-07 | 天津津亚电子有限公司 | But adjustment extracting device of pressfitting |
| CN116395397B (en) * | 2023-06-09 | 2023-08-22 | 天津津亚电子有限公司 | But adjustment extracting device of pressfitting |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20160918 |