CN107371359A - Tool for processing element with covering film - Google Patents

Abstract

The invention describes a tool for handling component tape cover films in order to open electronic components in different recesses on a carrier tape of a component tape, the tool having a tip section which is opposite to the transport direction of the component tape and which is configured such that it can be inserted between the carrier tape and the cover film and lift the cover film from the carrier tape towards the tool; and a treatment section which is located above the tip section during operation of the tool and which is designed to treat the lifted cover film along the longitudinal axis of the cover film lifted by the tip section of the tool, i.e. parallel to the longitudinal axis of the tool. Furthermore, a component supply device with such a tool is described, as well as a process for treating component tape cover films, in which the tool is used.

Description

A kind of instrument for the treatment of element with cover layer

Technical field

In general, the present invention relates to electronic component and circuit board are entered to the technical field that is mounted automatically.It is specific and Speech, the invention particularly relates to a kind for the treatment of element with cover layer so that carrying on belt in different recesses on element band The unlimited instrument of electronic component.In addition, the present invention relates to a kind of electronic component of the continuously conveying on element band Component supplying apparatus.In addition, the invention further relates to a kind of process that the electronic component on element band is unlimited.

Background technology

Electronic component, the particularly element such as so-called surface mount device are being carried out to component carrier, particularly circuit board During attachment, element to be processed is fed continuously to a component mounter ready position via a kind of component supplying apparatus.Herein Opening position, the mounting head of chip mounter pick up ready element, carry it to the pasting area of chip mounter and placed On circuit board to be mounted in the pasting area.

In general, element is transported to component mounter ready position via a kind of element band, on element band, element quilt It is deposited in respectively in the recess isolated one by one, namely in so-called element band pocket (Gurttasche).A kind of pinwheel transmission Element band is progressively delivered to attachment and prepares position by device (Stiftrad) from the perforation of side embedded components conveyer belt side Put.On this position, mounting head picks up corresponding element.Be cleared in element band element part via a kind of separator with Remaining element band is partially separated, and is transported out of and receive waste disposal.

In order to avoid element imprudence comes off from recess during operating element band, cover layer of the prior art is used Mode, it encloses the recess being arranged in so-called carrying belt.Under normal circumstances, cover layer and element band are the same length Bar, there is thin material fit to connect（Bonding or welding）In its longitudinal both sides, i.e. cover layer is viscous by the connection It is attached on the carrying belt of element band.Element band is made up of carrying belt and the cover layer being arranged on above it.

To take out element, it is necessary to remove cover layer completely before its arrival attachment ready position, or it is carried out to it He is handled, so that element to be removed is opened.Only in this way, mounting head could grasping element from top to bottom.

Removing cover layer completely can realize by removing cover layer and with being filled in waste storage.In this feelings In shape, carry belt and the intermarginal connection determined by material of two long sides of cover layer namely connecting sewing is completely removed.

Other processing cover layers are so that the modernism that element opens wide may include：By a kind of close to element belt surface Instrument cuts off cover layer along its major axis, and two parts strip after cutting off is respectively towards two edge contractions, at this moment carry belt with Two connecting sewings between cover layer are all still retained.Another way is that this instrument is not used to cut off cover layer, and One of two connecting sewings are only removed, at this moment, cover layer will fold towards the connecting sewing still having, and this can equally make element Open wide.

Connecting sewing with pocket or says the position for transporting recess carried on belt relative to element（At present）It is unfixed Or it is adapted to a certain standard.Connecting sewing can be positioned over the edge of film, also can neighbor elements band pocket, connecting sewing sometimes Element band pocket can be even covered in, and size of the element with pocket is often to be determined according to the element size of its loading 's.In addition, between element band pocket（Along element band long axis direction）Cover layer is also possible in local location with carrying belt phase Connection.

Due to component supplying apparatus and element band pardon required in terms of production and assembling, pass through one described above During kind instrument processing cover layer, instrument must be uncertain to a certain extent relative to position of the element with pocket , this order of accuarcy for resulting in processing cover layer can suffer damage.In addition, cover layer have very high mechanical flexibility with very Thin thickness（Generally not over 0.1mm）, and typically there was only the space of very little in the component supplying apparatus of completed assembled, just add The big difficulty for accurately and reliably handling cover layer.

In addition, at least current cover layer is made from a different material with carrying belt, thus there is very different machine Tool characteristic.For these reasons, it is described above by a kind of instrument to cover layer be processed for open wide be located at element band mouth Element in bag means that a process for being difficult operation and control.But in order to ensure component supplying apparatus and whole attachment The safety of process, it is necessary reliably to handle cover layer.

The content of the invention

The task of the present invention is, element to be mounted is opened wide by a kind of cover layer processing mode of optimization as far as possible, To improve the process reliability mounted to circuit board with being located at element with the element in pocket.

The present invention task by independent claims object implementatio8.The advantageous embodiment of the present invention is in independent right Described in it is required that.

According to the first aspect of the invention, a kind for the treatment of element will be described with cover layer so as to be respectively at element band Carry the instrument that the electronic component on belt in different recesses opens wide.This instrument has (a) tip section, the tip portion Section is relative with the direction of transfer of element band, and its construction can make its pierce carry between belt and cover layer and by cover layer from Lifted on carrying belt towards instrument；（b）One processing section, in tool work on the section of tip, and processing unit The construction of section can make it along the major axis of cover layer started by tip section namely handle parallel to the direction of instrument major axis to be lifted The cover layer risen.

The instrument be based on the realisation that, i.e., between instrument and element band under the conditions of suitable height, pass through instrument The geometrical property of itself can be reliably completed the processing to cover layer, namely at least can be by cover layer from recess namely element band Removed at pocket, and then make to open wide with the electronic component in pocket positioned at element.It means that mounting head can grab from top to bottom These elements are taken, so that element is captured by a component pick-up device of mounting head respectively in the known manner and is moved out of its point Not residing element band pocket, to complete the attachment with circuit board.

Processing to cover layer is realized by the relative movement between the instrument and element band, wherein the instrument Preferably it is fixedly mounted in component supplying apparatus, and corresponding element band is then moved relative to the instrument.

What proper height condition during tool work described above especially so embodied, i.e., tip section, which is exactly in, holds Carry between belt and cover layer.This ensures that cover layer at least its processed stripe region at least slightly by from Carrying belt starts.It is another or and the selection deposited be that element band is made by the suitable transmission to element band（In tip section After piercing between carrying belt and cover layer）Sink below instrument.So-called " piercing " preferably takes place in element band to tip Element band when section is drawn close（It is forward）One end.And so-called " sinking " then can be by by the relatively described work of the bearing-surface of element band Tool is moved down to realize, because element band is transported along its bearing-surface.The mode that completion " sinking " has more advantage is to prop up Bearing surface along element with there is a step in the region residing for the instrument on direction of transfer so that element band（It is forward）One end exists Relative to instrument to sinking when arriving at this step.Based on the rigidity of carrying belt, this step may also lead to element band in ladder Sink before the region of level.

It should be pointed out that at least in region of the element with front end, tip section a little can also pierce carrying belt Cover layer under.Its degree pierced should be fairly small, to ensure that the upper surface for carrying belt is only scratched by tip section Or it is carved into.

For instrument described herein, tip section completes two kinds of different tasks with processing section or says function.Namely （a）Pierce between carrying belt and cover layer and cover layer is lifted and（b）Cover layer is handled along carriage direction Process is thus at least near separate.Constructively, tip section and its visual task to be done of processing section And determine optimal geometrical construction.

Tip section can be any space structure moulding that can extend between carrying belt and cover layer.Tip section There can be the tip in two kinds of dimensions, it means that, tip section gradually comes to a point on the direction in contrast to transmission, And finally at least close to as a point.The selection of more advantage is that tip section only has one on a Spatial Dimension Tip, it means that, tip section（On the direction in contrast to transmission）Only gradually come to a point in a dimension.The advantage of the latter It is, tip section is by with of a relatively high intensity.

So-called " being lifted towards instrument " is especially it shall be understood that cover layer is raised up to a certain height by tip section Degree, in this height, cover layer can continue to be handled by other parts of the instrument in addition to the section of tip.Here other parts It is exactly the processing section particularly pointed out above.

Tip section and processing section can be constructively integral or separated, and wherein integral type is set Meter may be more advantageous, because just no longer must be by tip section and processing section in the tool base in the instrument of manufacture Assembled.And because instrument is typically all a weldment of component supplying apparatus in itself, then the simplification of instrument manufacture is just Especially there is the benefit that can not be underestimated.

According to an embodiment of the present, the construction for handling section can be by the cover layer being lifted along its major axis Direction, preferably it is cut to two longitudinal strips from center.

Intuitively, the effect for handling section is, edge, more precisely in contrast to direction of transfer by cover layer along its Y direction is cut off.In addition, to open wide element, it is also necessary to make the longitudinal strip for two relative narrowers being cut be rolled over to edge Under, while preferably also should（Stably）It is folded down, to make the narrower longitudinal strip of cover layer two at least not mount The reliability in situ hindered to the process technology of pickup device is returned during head pickup device again.The action of this " being folded down " can Completed by instrument itself and/or other instruments.

According to another embodiment of the present invention, the construction for handling section can be by a side of the cover layer being lifted Direction is opened from carrying belt along its longitudinal axis in face.

Intuitively, one of two connecting sewings between belt and cover layer are carried to be disengaged.Covered being opened from side In the situation of epiphragma, guarantee is noted also that（Cover layer is cut off relative to from centre）Relatively wide cover layer strip quilt（Can By ground）It is folded down.This " being folded down " can equally be completed by instrument itself and/or other instruments.

According to another embodiment of the present invention, instrument also has a top cover.Processing unit section is located at tip section and top cover Between.In addition, compared to processing section), top cover is perpendicular to work) on the direction of major axis at least in a processing of processing section Widen in the region at edge.

Above-mentioned top cover is particularly likely to bring following benefit：（1）By top cover processing section can be protected from mechanical damage； （2）The mechanical stability that instrument especially handles section is improved, thus higher freedom is also provided with design tool Degree；（3）The manufacture of instrument is simplified；（4）Processing section can be made up of the blade of an arc, so, depending on cutting Cut the location of cutting mouth on the position namely cover layer of action generation, the angle between blade and carrying belt upper surface It can change.Therefore this angle can change along knife edge automatically, with the cutting angle being optimal.

According to another embodiment of the present invention, along the major axis of instrument, tip section should be especially located at by handling the front end of section Front end it is relative.This is advantageous to carry out two functions fabulous differentiation：（a）It is previously described by cover layer from carrying belt court The process lifted to instrument, and（b）Continue to handle cover layer.Thus, " tip section " and " processing section " this two The form of individual part and geometrical construction can by its each different demand and optimized, these demands are included such as from two Material of the distance of connecting sewing, the mode of cover layer fixation and degree, the thickness of cover layer and/or cover layer etc..Together Sample, the characteristic of the carrying belt of response is it is also contemplated that come in, to realize the optimized design of especially tip section.

The geometric properties of instrument described herein, i.e. processing unit section are located at after the section of tip

Feature also has the following advantages that：

（1）Tip section is able to possess comparatively narrow moulding, so, is handling（It is lifted）Cover layer When, caused extruding is very small in cover layer.

（2）During transfer element band（From centre）When cutting cover layer, the two halves that cover layer is cut are grown Bar ratio（It is relative with transmission direction）Handle edge to separate earlier, be also avoided that cover layer at least partly skids off instrument, fallen in work Tool lower section simultaneously immediately results in the stopping of cover layer processing procedure.

（3）Because cover layer firmly can be attached on instrument, the length can of instrument is designed to more shorter.This Sample also just can improve to very advantageous the globality of whole component supplying apparatus.

V：The profile of instrument can be in spade, wherein outwardly part is then located at as tip section, processing section Below.This most important feature of spade is that tip section has a protruding parts compared to processing section, or inherently It is a protruding parts, therefore, this spade can prevent cover layer from surprisingly being slid from instrument.Another advantage of this spade It is that its tip section has very high mechanical stability.

According to another embodiment of the present invention, the lower surface of instrument is a curved surface.

In the linguistic context of the present invention, " bending " moulding is interpreted as non-pure even curface.This bending can include Soft bending and/or the seamed edge of protrusion.More advantage, this curved shape can be with a kind of transmitting devices, especially A kind of gear device or pinwheel device are adapted, and this transmitting device is responsible for transporting respective component tape, namely by gear or pin by embedding Enter into transmission hole of the element with both sides and drive element band.Intuitively, the moulding of the lower surface of instrument should at least being capable of part The shape of gear or pin opinion is adapted to, and gear or pinwheel will not be collided.

By the suitable bending moulding in instrument lower surface, even if element band and carrying belt are in the region of processing cover layer Stably it can be still engaged with gear and pinwheel.In addition, suitable bending moulding, which is also helped along carriage direction, extends element band The region being mutually engaged with transmitting device, device occlusion can be also transmitted in longer regional extent to carry belt.So One, element band just can obtain space and transmit exactly in the region of processing cover layer, and the processing to cover layer also can be Carried out under conditions of determining very much.

The bending moulding of instrument lower surface can so be set, i.e., when instrument is horizontally oriented, relative to a level side To reference plane,（a）Between tip section lower surface and reference plane first distance or say front end distance 0.1-0.2mm it Between, and have a second distance between instrument lower surface and reference plane or say rear end distance between 0.4-0.5mm.Certainly more than Numerical value is just for the reference value for having more the embodiment of advantage at present.In other embodiments, the first distance with second away from From between（Highly）Difference is greater than 0.05mm, or is preferably greater than 0.1mm, especially recommendable to be greater than 0.2mm, And more excellent difference is greater than 0.4mm.

In addition, the lower surface of instrument also more or less continuously, especially at least can show round surface at a certain section.And Radius of curvature may be set to make the outer surface of the lower surface just adaptive element tape transport system of instrument.

According to another embodiment of the present invention, instrument also has an extension section, and the extension section arises from processing unit Section, and the back side of instrument is extended to along the long axis direction of instrument, its construction features is to become wider at the instrument back side, and this Width is drawn by perpendicular to instrument long axis direction measurement.

In the conventional operation of instrument, its long axis direction is at least the carriage direction for being approximately parallel to element band all the time. More advantage, the y direction of the long axis direction and direction of transfer and cover layer namely element band of instrument is completely the same, More should be this situation especially when cover layer will be cut from centre.

In this document, the concept in the front and the back side of instrument is determined relative to the direction of transfer of element band.Tip Section is located at the front of instrument, element band embedded components tape transport system and by common direction of transfer movement when, tip portion Duan Shouxian creeps into the front end of element band and hence between carrying belt and cover layer.

In this document, the direction that cover layer is lifted from carrying belt is referred to as vertical direction.And perpendicular to vertical Direction namely then it is referred to as transverse direction perpendicular to the direction of instrument major axis and element with the longitudinal axis and direction of transfer.In the model of extension section In enclosing, the width of the preferably namely whole instrument of width of section is extended.

The instrument described in the embodiment can also be assembled by multiple parts here, certainly integration or The construction of single type then based on it is already described above the reasons why have more advantage.

By extension section described above expansion in the horizontal or extension can also implementation tool another（It is especially important 's）Function.Safely to open wide element band pocket, two half mulchings being at least cut can be made by extending the suitable profile of section One of film is folded down towards side and to side.Cutting off the situation of cover layer from centre, extension section be preferably provided with relative to The symmetric construction of instrument major axis, so that two strips being cut open of cover layer after dicing are all lifted and are folded down.And Opened by only untiing a connecting sewing in the situation of cover layer, extension section can not possess pair relative to instrument major axis Claim construction.Because in later case, it is only necessary to by the relatively wide cover layer strip being lifted to the connection still retained Lift and be folded down towards the connecting sewing side still retained in seam side.

More advantage, extension section are at least wider than the distance between two connecting sewings in its most wide position.So One, when cutting off cover layer from centre, just not only only two cover layer being cut strips are lifted as generally, more It is important that the two strips will be turned up respectively to its corresponding connecting sewing or at least part is for good and all folded down.Extend section Width（Distance between more than two connecting sewings）Another advantage is that, even if when instrument position occur（Horizontal）By mistake When poor, element band pocket also can be thoroughly opened.

According to another advantageous embodiment of the present invention, instrument also has a first side stop protrusion, and it is located at Extend the lower surface of section and in transverse direction from extension section protrusion.

It is above-mentioned（First）The effect of side stop protrusion is, even in so-called inverse carriage direction cut too early cover layer or In the case of unexpected tear cover layer, can also cover layer be avoided surprisingly to slide.By the stop protrusion, enable in particular to ensure Handle the process safety of cover layer.

Advantageous in some embodiments to be, first side stop protrusion is not just along instrument long axis direction positioned at extension The side of section, but forward until extending to the region of processing section.So, just it is avoided that with of a relatively high elasticity Cover layer occur unexpected landing described above when being cut too early.

In terms of the size of above-mentioned stop protrusion, it is experimental detection it has been proved that this（First）Side stop protrusion Should possess relatively thin thickness, that is, possess less height.The height of stop protrusion is smaller than 1mm, less than 0.5mm then More preferably, more excellent selection is less than 0.2mm and is even less than 0.1mm.

It is it should be pointed out that above-mentioned（First）Side stop protrusion is not only in the situation from middle cutting cover layer, Er Qie The accident of cover layer can equally be prevented in a manner of advantageous by being opened as previously described from side in the situation of cover layer Slide.

According to another embodiment of the present invention, instrument also has a second side stop protrusion, and it is positioned at extension section Lower surface and in transverse direction from extension section protrusion, its protrude direction it is opposite with first side stop protrusion.

It is described（Second）The effect of side stop protrusion is, can when being cut along the major axis of cover layer to it Especially reliably avoid the occurrence of described above（Too early during cutting）The situation that cover layer slides.

It should be pointed out that first side stop protrusion and/or second side stop protrusion can be at least one with extension section Part formula constructs.It means that each stop protrusion is molded in extension section.

According to another embodiment of the present invention, first side stop protrusion and/or second side stop protrusion should have this The back side aspect of the width of the moulding of sample, i.e. instrument towards instrument is widened step by step.It is advantageous that by the first and/or second stop The first of the stop protrusion structure that projection is formed（Above）Part all the time in carrying belt and cover layer two connecting sewings it Between, and second（Below）Part is then at least partly stretched out outside two connecting sewings.So, two formed after cutting cover layer At least one in individual cover layer strip sufficiently enough can be folded down to side, to ensure that element band pocket opens wide completely.

According to another embodiment of the present invention, first side stop protrusion and/or second side stop protrusion at least have One ladder, so that the back side aspect of the width of instrument towards instrument is widened step by step.It is advantageous that can when handling cover layer Keep relatively small pulling force.This further improves process stability during processing cover layer.

In linguistic context above, " ladder " be interpreted as possessed by a kind of instrument it is non-along continuous property but（Circular arc） Salient angle.Certainly, at least one side stop protrusion need not necessarily make instrument constantly be broadened towards its own back side direction.Work The width of tool can also be always maintained at constant on the direction towards its back side, even be gradually reduced.

Even if the quantity of ladder can infinitely be set up, it fact proved, when stop device only has one or two rank When terraced, reach very between the pulling force occurred when processing cover layer just can be reduced in the complexity that the tool geometry constructs and effectively Good balance.

According to another embodiment of the present invention, at least one in first side stop protrusion and/or second side stop protrusion Individual ladder, which has, to be constructed as below, can be after when handling cover layer, caused maximum pull appears in ladder in cover layer In region.It is advantageous that the pulling force inside the region that cover layer is processed, cover layer is smaller.This is further improved Handle the program stability of cover layer.

According to another embodiment of the present invention, in the back-end region of extension section, extension section does not have first side Stop protrusion and/or second side stop protrusion.It means that first side stop protrusion and/or second side stop protrusion And it is not extend to the back-end region of extension section.In other words, in the extension section back-end region, the width of instrument is by extension The width of section back-end region determines.Thus the Breadth Maximum of stop protrusion structure matches with extending the Breadth Maximum of section

According to another embodiment of the present invention, instrument also has a basal segment, and it, which is arised from, extends section, along instrument long axis direction Extend to the back side of instrument, and determine the Breadth Maximum of instrument.

The basal segment is preferably provided with the side wall parallel to instrument major axis, and is particularly useful to instrument being firmly secured at member In part feedway.Instrument is firmly secured on some corresponding fixator of component supplying apparatus with very important Meaning because, as described above, handle cover layer program stability especially require highly precisely to tool tip section and Relative positioning is carried out between the element band transmitted.

According to another embodiment of the present invention, basal segment has at least one side wall, the side wall parallel to instrument major axis and It is in oblique angle perpendicular to the reference plane by major axis and laterally strutted, or with the reference plane.

The above-mentioned at least one vertical sidewall of basal segment or ramped side walls help to ensure cover layer and cleaved generation Cover layer strip can very stably from carrying belt be lifted up, so that element to be mounted can be opened wide reliably. Selection that is another or can and depositing is that ramped side walls are equally used for instrument being firmly secured in component supplying apparatus.

Ramped side walls can be connected directly between along instrument long axis direction in extension section, or keep a spacing with extension section From.Side wall and angle between the plane of reference plane can between such as 10 ° to 30 °, preferably selection be Between 15 ° to 25 °.

According to another embodiment of the present invention, there is an opening in basal segment, and this opening is through whole instrument, from work The upper surface of tool is through to lower surface.It is described opening be used especially for through instrument take out by mounting head crawl element and by its Deliver to attachment program.Element is taken out through Tool grasper especially to have the advantage that, that is, passes through at least one side in basal segment Wall, the region of opening will be highly reliably from quilt（a）The cover layer that is lifted and is folded down in side and（b）Processing covering The two cover layer strips for producing and being folded down after film cover.It thus can especially significantly increase the reliability of element crawl.

According to an embodiment of the present invention, instrument also has an other extension section, the other extension section（i） Basal segment is started from, and the back side of instrument is extended to along instrument long axis direction；（ii）With following moulding, i.e. this other extension Section is towards the narrowed width at the instrument back side, and equally transversely measurement is drawn this width.

Intuitively, the width of instrument narrows again after basal segment.Caused by it as a result, in successfully crawl member After part, the cover layer and being folded down is at least close turn back to its original position.This simplifies to being disposed The removing of element band part, because processed cover layer has been placed on carrying belt again.Intuitively, this In the case of, just there is no any with the still loosely connected covering membrane-bound fragment of carrying belt, and the latter may damage remove it is processed The program stability of element band part.

Another advantage of the other extension section gradually narrowed backward is that element band can be temporarily towards it Normal sender moves in the opposite direction.Such as it may need temporarily normally to pass element band against it in following situation Send direction to move, i.e., when the instrument is used for a kind of component supplying apparatus of two kinds of different elements bands of transmission, otherwise it is wherein The element on element or another element band on one element band is transferred into common element crawl position.Such one Kind is otherwise known as in the component supplying apparatus of " loading batch charger automatically ", to realize the shared Transfer pipe of an element band insertion Namely the pinwheel driver while property of embedded components band, often need an element band being at least moved rearwards a little distance. During being moved rearwards, the effect of extension section in addition is that the cover layer weight for making to be processed in preceding once transmission Newly it is folded around.The top priority of other extension section is that, and by other first side stop protrusion and/or other the The other stop protrusion structure one that two side faces stop protrusion is formed, cover layer is prevented in the way for reversely transporting conveyer belt from instrument Slide and fall between carrying belt and instrument so, infringement carrying belt and work can be just avoided in a manner of advantageous Tool.Because the cover layer slid from instrument may thoroughly depart from carrying belt and clogging component pick-up region.

According to another advantageous embodiment of the present invention, instrument also has（a）One other first side stop is convex Rising, it protrudes from other extension section in transverse direction positioned at the lower surface of other extension section, and/or（b） One other second side stop protrusion, it is positioned at the lower surface of other extension section and convex from extension section in transverse direction Go out, the direction that it protrudes is opposite with other first side stop protrusion.For the reverse of element band namely its inverse normal biography The transport in direction is sent, side stop protrusion has the same advantage of side stop protrusion described previously in addition.For example, by other The other stop protrusion structure that first side stop protrusion and/or other second side stop protrusion are formed can be（Relative to The transverse axis of instrument）It is axisymmetric with stop protrusion structure.In view of when back transmitting element band, instrument is not necessarily to cut Or cover layer is opened, side chocking construction can also have the construction different with side chocking construction in addition.But according to current Understanding situation, the ladder in first side stop protrusion and/or other second side stop protrusion in addition are equally beneficial for carrying Height turns up the program stability of cover layer strip again.

According to another embodiment of the present invention, it is made of steel or pottery at least to handle section, is especially cast by one kind Ceramic into.The advantage that instrument of the present invention is manufactured with the material with extremely strong mechanical stability is, is detailed above The loss that brings of covering film process work it is comparatively small.So, in practice with the shutdown needed for component supplying apparatus Maintenance intervals also will significantly extend, and this shutdown intervals are mainly used in changing the cover layer handling implement.

According to another aspect of the present invention, a kind of member that electronic component is constantly delivered to attachment program will be described Part feedway, wherein electronic component are located in the recess on element band respectively, and element band has a carrying belt and covered Epiphragma, and carry belt band dimply first strip position and be capped film covering, and it is back to back with equidistant transmission hole Second strip position is completely unlimited.Component supplying apparatus has（a）One chassis；（b）One is located at tray side or interior The element tape drive in portion, has a motor and the transmitting device that can be driven by motor, and transmitting device can be embedded in conveyer belt Thus transmission hole simultaneously drives conveyer belt；（c）A kind of guide device, its（c1）On chassis,（c2）With elongate structure,（c3） So it is arranged on beside transmitting device, device is at least directed in the front end of element band with order guides and when being transmitted, i） One strip site portion, the upper surface of overlay film and/or（ii）At the second strip position, holding for the element band that device captures is transmitted The upper surface of carrier band at least in this case when touch guide device from the bottom up（332）Lower surface, i.e., before element band End be directed device traction and along the device slide forward when；（d）One instrument described above, on chassis and there is phase The locus of fixation for guide device, so that element band is handled during by transmission by instrument, and it carries skin At least partly no longer coated epiphragma of the recess that band carries covers.

The component supplying apparatus be based on the realisation that, that is, pass through fixed guide device and the work being equally fixedly mounted Tool, instrument is with regard to being provided with an accurate space orientation for pending element band.Intuitively, for element band Guide device have configuration which, i.e. the front end energy towards the element band that ready position transmission is mounted in component supplying apparatus It is enough to be met in a height and position determined very much with instrument.

Instrument is accurately positioned, or more precisely, the element band transmitted is relative to the work being fixedly mounted on chassis Being accurately positioned of tool can ensure to enter component supplying apparatus and by towards component mounter in a new pending element band When ready position transmits, element is able to automatic open wide.This also just completes automatic namely does not need any manual operation and handle The precondition of element band.

It should be pointed out that instrument is located at this feature of fixed locus just for member for guide device Part tape handling process.This feature is not precluded from such possibility, such as during component supplying apparatus goes into operation or shuts down, operation Personnel are adjusted to instrument, it is located exactly at the accurate location needed for the lower component tape of processing.

Said motor can be a kind of power driver, can in an appropriate manner, such as by a conveyer with Transmitting device is connected.Transmitting device can be a gear being arranged in the rotating shaft that relative chassis is fixed.Another kind selection It is that transmitting device at least a portion has teeth portion movable linearly.But, realize that transmitting device is seen currently by gear That especially there is advantage, because from structure, axle rotates to be easier to realize than rectilinear movement.

More the transmitting device of advantage has multiple built in items in its outer ledge region, can be embedded into carrying belt Transmission hole in.When transmitting device is a kind of gear, built in items is probably the tooth pin of such as gear or pinwheel.

The quantity of the recess formed on carrying belt is enough to load each electronic component respectively.From its function, these Recess is referred to alternatively as again（Load）Pocket.

In this document, " installation " refers to directly or indirectly some part is fixed on other part.Some portion herein Part refers in particular to guide device and instrument, and part refers in particular to the chassis of component supplying apparatus in addition.

According to an embodiment of the present invention, component supplying apparatus also has an other guiding dress being arranged on chassis Put, it has an elongate structure and is connected along direction of transfer with guide device, wherein other guide device is at least one Bottom surface is greater than guide device and the distance of the latter in the distance with instrument on direction of transfer.

Intuitively, the front end of element band to be entered is located at the first of previously described so-called Working position（Highly）Position Put, on this position, instrument namely its tip section are stretched between carrying belt and cover layer.Hereafter, namely to element Band（By instrument processing）After correspondent section drops into the certain transmission of row, its front end is at second（Highly）Position, and this position Put compared to first（Highly）Position is lowered, thus element band is widened with the distance between instrument here.By in addition Guide device realize namely will now be had been incorporated into and the element band of embedded components tape drive by spring-supported Front end carry out " loweing " as a result, and then front end and the other parts of element band come are also and then relative to instrument to decentralization It is low.Due to second（Highly）The distance widened on position between instrument and element band, it becomes possible to avoid instrument accidental damage from carrying Belt or carrying belt accidental damage instrument.So, the program reliability that component mounter prepares just is further enhanced.

Intuitively, by the spring-supported other guide device by suppressing element band from top to bottom, before element band End and and then front end transmitted carrying belt other parts upper surface relative to fixed instrument position It is lowered, and carries between belt and instrument（Vertically）Distance is widened.Simple and reliable mode can thus be passed through Electronic component is avoided to be damaged before being captured by mounting head.

Realized by other guide device outstanding relative to loweing for the position of instrument to element band namely carrying belt It has positive role in previously described embodiment.When the front end for the element band being introduced into is transmitted in addition from guide device Guide device during, by the way that the position of whole element band is lowerd, it becomes possible to so that carrying belt be only forward One section of upper area is destroyed, and the other parts of back to back carrying belt will not be in contact with instrument.This is just with tool Advantageous mode reduces the loss of instrument, because instrument only need to handle or reveal forward relatively short of bad carrying belt A part.In addition, previously described stop protrusion structure and tip section can hold cover layer after cover layer is stretched into, this Carrying belt is still such after being lowerd by other guide device.

According to another embodiment of the present invention, guide member includes（a）One belongs to the first of guide device and slides section, （b）One belongs to the second of other guide device and slides section, and（c）Step section between one two boot segment.

Guide member can be made up of the strip that a kind of iron bent in a suitable manner or other metals are formed, and carrying belt exists It is directed below guide member.In a kind of particularly simple but effective embodiment, two boot segments are that guide member is straight Or the part of bending, and carry belt and lead lower linear to move in boot segment.Two straight or bending boot segments can be with It is parallel to each other or concentric, but can also be staggered mutually by step section.From introduce element band when element band front end to At the time of up to other guide device, it is this stagger just with first of element with front end（Highly）Position and front end and its The second of proximate portion（Highly）Drop between position matches.

According to a further aspect of the invention, a kind for the treatment of element band cover layer will be described to make positioned at element band carrying belt The process that element in upper recess opens wide.The instrument includes（a）Element band is carried out along direction of transfer in component supplying apparatus Transmission, and an instrument for possessing requirement described previously is fixedly mounted on component supplying apparatus；（b）Tip section is stretched into and held Carry between belt and cover layer；（c）Cover layer is lifted towards instrument；And（d）By handle section to cover layer at Reason.

Above-mentioned operation be based on the realisation that, i.e., the instrument for above being able to describe by different embodiments can realize work The stable covering film process of skill.By covering film process, above described in the cover layer being lifted（a）Or along its major axis quilt Two cover layer strips are cut into,（b）Or along long axis direction from side by its from carrying belt on open.

It should be pointed out that different embodiments of the invention are described by different invention objects.Particularly, some are implemented Example is elucidated by different device requirements, other embodiments by different procedure calls.Professional person is reading It should be immediately appreciate that after this document, unless expressly stated otherwise, then can carry out group to the feature for belonging to a certain invention object Close, equally the feature for belonging to different types of invention object can be also combined.

Other advantages and feature of the invention hereinafter will be illustrated in exemplary fashion, and used example is all to work as The embodiment of preceding more advantage.

Brief description of the drawings

Fig. 1 is to show schematically the component supplying apparatus in running status of an embodiment of the present invention.

Fig. 2 illustrates element band, and it can be processed by component supplying apparatus, continuously to be carried for assembly process Electronic component.

Fig. 3 is Fig. 1 mplifying structure schematic diagram, illustrates the work wink of the cover layer processing unit (plant) of component supplying apparatus Between, setting tool is just taken between carrying belt and cover layer on the beginning of element band in this operating instant.

Fig. 4 illustrates the operating instant of cover layer processing unit (plant) in a manner of enlarged diagram, is fixed in this operating instant Instrument cuts off cover layer against the transmission direction of element band in centre.

Fig. 5 a and 5b illustrate two kinds of possible geometry structures of the instrument that conveyer belt cover layer is handled in component supplying apparatus Make.

Fig. 6 to Fig. 9 illustrates different characteristic and aspect according to possessed by the instrument of other different embodiments of the invention.

Reference

100 component supplying apparatus

102 chassis

103 elements band Transfer pipe

110 element tape drives

112 motors

114 transmitting devices/gear/pinwheel

118 component mounter ready positions

120 cover layer processing unit (plant)s

180 element bands

181 elements band charging tray

190 electronic components

192 component pick-up devices/suction pipe

194 mounting heads

196 ash cans

197 cutter devices

198 elements band waste material

T direction of transfers

282 carrying belts

284 first strip positions

285 recesses

286 second strip positions

287 transmission holes

288 cover layers

289 connecting sewings/bonding strip

315 engaged elements/teeth portion/pin portion

330 guide members

332 guide devices/first slides section

334 step sections

336 other guide devices/second slides section

348 Working positions/piercing position

360 instruments

450 springs

452 spring pins

454 spring pins

456 intermediate sections

D elements band-Tool Room away from

560a/b instruments

562 tip sections

564 processing section/cut length

566 top covers

660 instruments

662 tip sections

664 processing section/cut length

666 extension sections

670 basal segments

671 openings

672 ramped side walls

674a/b first/seconds side stop protrusion

675 ladders

LA major axis

θ cutting angles

The β angles of attack

The first strips of 788a position/strip/strip position

The second strips of 788b position/strip/strip position

860 instruments

876 other extension sections

First side stop protrusion other 878a

970 basal segments

973 top covers.

Embodiment

It is noted that the feature or part of different embodiments in the following detailed description（Their phases with other embodiments Answer feature or part is identical or at least function phase is same）Identical reference marker or different reference markers are provided with, it is described Different reference markers is the reference on its first letter with identical or at least functionally identical feature or part Mark is different.In order to avoid unnecessary repetition, the feature illustrated by previously described embodiment or part are later No longer elaborate.

Additionally, it is noted that embodiment described below is to be elected from the possible embodiment of the present invention.Especially It is possible that the feature of single embodiment is combined with each other by rights, therefore by detailed herein for professional The embodiment carefully described can just regard many different embodiments as obvious disclosed.

Additionally, it is noted that apply the concept about space such as " preceding " and " rear ", "up" and "down", " left side " and " right side " Deng to describe the relation of an element and another element or other elements, as shown in the drawings.Cause This, these concepts about space can be applied to the orientation different from the orientation shown in accompanying drawing.It should be understood that for simplification Description, all these concepts about space are directed to the orientation described in drawing, but are definitely not that it is limited, because These device described, parts etc. can occupy the orientation different from the orientation described in drawing when in use.

Fig. 1 with illustrated in schematical perspective view it is according to an embodiment of the invention be in running in element Feedway.Component supplying apparatus has a chassis 102, has an element band Transfer pipe 103 on chassis, works as element When feedway 100 is run, element band 180 is transmitted by usual mode in this region interior edge direction of transfer T.Conveyer belt 180 Transmission driven by an element tape drive 110, there is the driver motor 112 and one to drive 112 by motor The transmitting device 114 of driving.It can be seen from figure 1 that transmitting device 114 is a gear or so-called pinwheel, and have in periphery There are a unillustrated embedded components in figure, embedded components can be on embedded components band 180 in same unillustrated transmission hole.

Element band 180 to be sent is ready by an element band charging tray in porch, is opened in component supplying apparatus 100 When beginning to run, element band deploys from element band charging tray.In exit, the element band 180 for having emptied element is fed in ash can The waste material liquidation procedures carried out in 196, wherein also element band can be cut into fragment by a shear 197, these fine grained chippings Constitute element band waste material 198.

There is a component handling device 120 on the chassis 102 of component supplying apparatus 100, it will carry out this to element band 180 The processing of sample, even being in recess or saying that element opens wide completely with the element in pocket from top.Shown in following article Fig. 3 and Fig. 4, Processing to element band 180 is completed by a kind of special instrument being directly or indirectly fixedly mounted on chassis 102.Position Element in the recess being opened is transported to component mounter ready position 118 after being opened, and they will be by used here Normal mode is captured by the component pick-up device 192 of mounting head 194.According to the embodiment described herein, component pick-up device is It is made up of a so-called suction pipe.One is illustrated in Fig. 1 it is denoted as 190 and is picked element.

Fig. 2 illustrates an element band 180, and electronic component 190 is constantly delivered to patch by it in component supplying apparatus Handled during dress program.Element band 180 has a carrying belt 282, along the major axis of element band on carrying belt Direction is provided with（a）Many is used for the recess 285 of unillustrated electronic component in Stowage Plane 2, and（b）Many transmission holes 287, The pinwheel 114 that Fig. 1 is drawn, which is embedded in these transmission holes, transports element band 180 along direction of transfer T.

Carrying belt 282 is made up of a kind of such as artificial material or millboard base material integral type.It is as it is clear from fig. 2 that recessed Place 285 is in carrying belt 282 first strip position 284, and transmission hole 287 is located on the second strip position 286.First Shape position 284 constitutes two dummy sections that are elongated, being connected at edge of carrying belt 282 with the second strip position 286 Position.

In addition, element band 180 also has a cover layer 288, cover layer only in the first strip 284 on top cover in Recess 285, to make the electronic component being located therein not skid off.According to the embodiment described herein, cover layer 288 is at two The edge of long side has a narrow stickup 289 respectively, in this document, this to paste the connecting sewing 289 that is otherwise known as.Two The effect of individual stickup 289 is to make cover layer 288 be attached on carrying belt 282.

Fig. 3 illustrates the operating instant of cover layer processing unit (plant) 120 or of short duration operating in the structural representation of amplification State, just setting tool 340 is taken to element band on the beginning of element band in this operating instant or under this operating condition Between 180 carrying belt 282 and cover layer 288.Because element band 180 is transmitted along transmission direction T, so can be real Existing this point, wherein element band 180 move towards setting tool 340.The fixed position reference marker 348 represents, fixes herein Start to be processed element band 180 in position or precisely start to lift cover layer 288 from carrying belt 282. The position is referred to as Working position or is pierced into position 348 in this document..

It can be seen from figure 3 that the engaged element 315 of a gear or pinwheel is embedded into transmission hole 287, the latter is positioned at carrying skin Band 282（The second strip position 286）On.

In introducing element band 180, the front end for carrying the second strip position 286 of belt 282 is close to one from the bottom up Guide member 330.According to the embodiment described herein, when transmitting element band 280, its front end is exactly along guide member 330 What lower surface was slided.By the geometry and spatial configuration of guide member 330, it just can determine that front end that element band is transmitted in element With the height and position in cover layer processing unit (plant) 120 in 180 transmitting ranges.

According to the embodiment described herein, guide member 330 is an elongated bonding jumper, and it has（a）One first Section 332 is slided, be otherwise known as guide device in this document, and（b）One second slip section 336, in this document Be otherwise known as other guide device.As shown in figure 3, the two guiding sections 332 mutually interconnect with 336 by step section 334 Connect.So, the front end of the element band 180 newly inputted has one the when being slided in first in the range of section 332 One height and position.And when being slided by the front end of the element band of conveying a period of time positioned at second in the range of section 336, just It is provided with second height and position for being less than the first height and position.Section is slided by second（And one as shown in Figure 4 from On down suppress the spring 450 of element band）, by transmission carry belt 282 front end and immediately other parts of front end it is upper Surface sinks with respect to the instrument 360 being in a fixed position.So, it is nearly all to be located at the scope of transmitting device 114 The interior part of element band 180 is all at least close in the second height and position.

Fixed instrument 360 is performed such positioning in cover layer processing equipment 120, i.e., when element band front end is located at When in the range of the first slip section 221, when transmitting element band 180, the tip section of instrument 360 can just pierce element band Among 180 and between carrying belt 282 and cover layer 288.When continuing to transmit the front end of element band 180, before this End is lowered via step section 224.As it was noted above, pass through boot segment 336（And the spring 450 shown in Fig. 4）, transmission With immediately the upper surface of the other parts of front end is also lowered on 180, thus carry belt 282 upper surface and instrument 360 it Between there is a distance d.

As seen from Figure 4, according to the embodiment described herein, opening wide for recess 285 and the electronic component being located therein is made It is that the specific processing step of cover layer 388 is completed by following three：

（A）First, it is admitted in Working position 348, the tip section of instrument 360 under cover layer 288.Based on tip section Geometrical construction, the center section of cover layer 288 are lifted slightly from carrying belt 282.

（B）By the cut length of instrument 360 by cover layer 288 therefrom between cut, thereby produce two it is elongated Cover layer bar part, one of cover layer bar part are attached to the side of carrying belt 282, and another cover layer bar part is attached The opposite side in carrying belt 282.

（C）By the geometrical construction of instrument 360, by cover layer, 288 two are lifted by cutting the elongated cover layer bar part formed Open and be outwards folded down.

To complete at least one of specific processing step of three above with high program security, have more advantage certainly is The process that whole unlimited recess is completed with high program safety row, cover layer processing equipment 120 also have a spring 450, Its role is to ensure that cover layer 288 is attached to before Working position 450 on carrying belt 282.So, with regard to that can keep away Exempt from cover layer 288 and tear that is unexpected and being not controlled by occur against direction of transfer T.

According to the embodiment described herein, spring 450 has two Hes of spring pin 452 connected by intermediate section 456 454, and intermediate section 456 is shorter than two spring pins 452 and 454.So, the region between two spring pins 452 and 454 It just can be considered the recess position of certain part, especially cut portion of the instrument of leaving for 360.

Between guide member 330 and instrument 360 relatively-stationary locus and guide member 330 described herein and The geometric properties of instrument 360 make it possible the open process automated to the recess 285 of element band 180.Intuitively, In the first height and position determined by the first slip section 332, cover layer 288 has penetrated instrument at the front end of element band 180 360.Because carrying belt 282 is close to guide member 330 from the bottom up, instrument 360 is accurately positioned just independent of carrying skin With 282 material or thickness.Reach after being determined by the second slip section 336 and slipping over step section 334 in element band front end The second height and position, instrument 360 is with the upper surface of carrying belt 282 and electronic component in recess 285 just with this The mode of sample spaces out, i.e., on the premise of it need not interrupt the processing routine of element band 180 described herein, can reliably avoid institute Part is related to sustain damage.The lower surface of instrument 360 is same with carrying the distance between the upper surface of belt 282 d not by carrying belt 282 The influence of material and thickness.

Relative tertiary location between guide member 330 and instrument 360 can be realized by following straightforward procedure, i.e., by instrument 360 are directly or indirectly fixed on guide member 330.The space trend of the lower surface of guide member 330 is determined positioned at gear The radial position of carrying belt 282 front end on 114（Radialposition）.When gear 114 by the front end of element band 280 to When step section 334 transmits, be close in the range of the first slip section 332 the carrying belt 282 of the lower surface of boot segment 332 just by It is automatically positioned, cover layer 288 and carrying belt 282 can be penetrated into the accuracy of maximum so as to the tip section of instrument 360 Between.When being continued to move along after element band is penetrating, step section 334 ensures carrying section with spring 450 by together with The radial position that the other parts of front end and back to back carrying belt 282 are located on gear 114 changes, and carries The upper surface of belt 282 spaces out with instrument 360.The height value determined by step section 334 determines instrument 360 with holding Carry the spacing d between belt 282.

Fig. 5 a and 5b illustrate two kinds of possible geometry structures of the instrument that conveyer belt cover layer is handled in component supplying apparatus Make.

Fig. 5 a, which paint instrument 560a, has such a geometrical construction, i.e., instrument 560a is from top to bottom relative to pending Element band constantly diminishes.Have below instrument 560a one will penetrate between carrying belt and cover layer and by cover layer from holding Carry the tip section 562 that belt surface is lifted slightly.Processing section 564 above tip section 562 as cutter device By inverse direction of transfer to the cover layer that is lifted slightly therefrom between cut.By direction of transfer, cutter device 564 arises from one The individual cut edge for constituting cutter device front end.Constantly broadened by cutter device, cover layer caused by cleaved process Both sides strip namely two elongated cover layer parts outwards started, the electronic component so as to recess and in recess is opened Open.

Instrument 560b is painted in Fig. 5 b has such a geometric modeling, i.e., along for direction of transfer, cut length 564 is located at After tip section 562, and after the front end of a top cover 566.

Compared to instrument 560a, instrument 560b cut length 564 is narrower, can so substantially reduce in cover layer 288 and produce The size of the raw pulling force not being expected to.In addition, when transmitting element band 180, if to two elongated cover layer portions of cover layer The separation divided occurs to early（Such as because the material of cover layer is different, spring 450 fails accurately to be measured）, also can be reliable Ground avoids separated cover layer part from being slid from instrument 560b.

Instrument 560a and 560b geometrical construction are all selections, i.e., after cover layer 288 is by pico- lift and right Cover layer 200 carry out it is longitudinally cutting before, instrument 560 can hold cover layer 288.This ensures that the program of cutting process Safety and accuracy.

In the Part II being described in detail below, Fig. 6-9 will be borrowed according to current especially advantageous difference of the invention Different characteristic and aspect possessed by the instrument of embodiment.

Fig. 6 a and Fig. 6 c illustrate instrument 660 from two different angles.Fig. 6 b are the machinery signals of the important dimension of instrument 660 Figure.Fig. 6 d are the side schematic view of instrument 660.

It can be clear that from Fig. 6 a, instrument 660 has a tip section 662, one from front to back along longitudinal axis L A 664, extension sections 666 of individual processing section and a basal segment 670.As hereinbefore retouched according to what different embodiments were carried out State, tip section pierces carrying belt 282 during the transmission of element band transmits along direction of transfer and not shown here covered Lifted between epiphragma and by cover layer from carrying belt.Hereafter the processed section 664 of cover layer being lifted is cut from centre, and one It is straight to produce two（It is same unillustrated）Cover layer strip position.Extension section 666 then ensures that the strip position of cover layer is upward Dig.Meanwhile all retained according to embodiment described herein, two connecting sewings 289（Fig. 7 a- described in see below 7d）.By the way that the strip position of cover layer is dug, recess 285 is opened, and unillustrated element is sitting at wherein.According to this Embodiment is painted in place, and the strip position of two cover layers is to be dug more than 90 degree of angle, because basal segment 670 has Two ramped side walls 672 for showing in fig. 6 c especially clear.Safely to use mounting head grasping element, i.e. basal segment 670 On also have one opening 671.

Here in linguistic context, it should be noted that the bevel angle of side wall 672 can not be too small, and otherwise the cross section of side wall will Reduce, and side wall 672 may overlap in opening 671.So, height of the instrument in open area be able to can also reduce, And instrument lower surface will be unable to close to carrying belt.Therefore, when side wall is not inclined-plane and is perpendicular to a horizontal plane, one Individual bigger and wide opening 671, which also has, to have very important significance.

For realize covering film process program safety, particularly extend the stability of section 666, processing section 664 and There are two side stop protrusions the lower section of extension section 666 respectively.In Fig. 6 a, first side stop protrusion 674a is located at longitudinal axis L A's Right side, and the second side stop protrusion 674b in opposite direction with first side stop protrusion is then located at longitudinal axis L A left side.Two Individual side stop protrusion 674a and 674b effect are, cover layer is cut too early on inverse direction of transfer, Also it is avoided that two cover layer strip positions slide from instrument 660.To reduce cover layer when instrument 660 handles cover layer as far as possible Internal mechanical tensile forces, each side stop protrusion 674a and 674b have a ladder 675, and it is unillustrated vertical along figure Directly gradually changed in the width of longitudinal axis L A horizontal direction.

It should be pointed out that painting embodiment according to this place, two sides stop protrusion 674a and 674b thickness and height are extremely Less will be close to the thickness and height of tip section 662.Also because in this way, two sides stop protrusion 674a and 674b can also by regarding To be tip section 662（Along direction of transfer T）Continuity.So, in the instrument 660 of manufacture, tip section 662 and two Side stop protrusion 674a and 674b can be realized by a kind of very thin spade, and the component is located at or is arranged on The lower section of instrument 660.Embodiment is painted according to this place, this spade can be made up of a kind of metal parts of simple shear.

From Fig. 6 b, spade has different width（According to perpendicular to dimension meter of the element with direction of transfer T Calculate）.In the range of section 664 is handled, width b1 is as small as possible, so that tip section 662 can easily penetrate covering Between film and carrying belt.After instrument 660 penetrates, spade is widened to width b2, to make connecting sewing 289 and element band When the distance between center is as minimum as possible, connecting sewing will not also separate with carrying belt.Wherein distance as minimum as possible is By that can be handled by instrument 660 as far as possible between the size of the element of minimum and instrument 660 and recess 295 perpendicular to sender Possible excess room determines on to T.In embodiment being painted in this place, two sides stop protrusion 674a and 674b maximum It is unfavorable that width should be able to be such that element has with pocket even in instrument（In transverse direction）It can also be opened completely under the conditions of excess room Open.

From Fig. 6 d, instrument 660 has the bottom surface of a bending.As previously described in described in " content of the invention " part, pass through work Have a suitable bending on 660 bottom surfaces, element band namely carrying belt cover layer processing region also can with as teeth portion/pin portion 315 element transmission device 114 is mutually embedding.So, element band 180 just can be in component supplying apparatus 100 at cover layer 288 Reason is transmitted in region with accurate locus, and then covering film process can be made to be carried out under conditions of accurate determine.Instrument 660 bottom surfaces are marked with carrying the distance between upper surface of belt 282 in Fig. 6 d with d1 and d2, wherein " d1 " is tip section 662 and processing section 664 in the range of distance, and " d2 " be extension section 666 in the range of instrument 660 with carrying belt 282 it Between distance.It should be pointed out that the spacing d1 and d2 that are painted in figure are for straight carrying belt, before carrying belt End has had passed over the step section 334 of the guide member 330 shown in Fig. 3.

Herein it should be pointed out that spacing d1 can be zero or be negative（When the tip section of instrument then is crept into penetrating the period When carrying belt 282）.In the rear end of instrument 660, spacing is expanded to d2.

From Fig. 6 b again, the stop being made up of first side stop protrusion 674a and second side stop protrusion 674b The width of bulge-structure continue to increase backward until instrument treatable maximum part the degree that is determined of size.This is most Big width is denoted as " b3 " in figure 6b, is equally the full-size that may be had by element（Accurately say it is width）And Space degree more than needed between instrument 660 and recess 285 on direction of transfer T determines.First side stop protrusion 674a With second side stop protrusion 674b with the continuous expansion in the distance between carrying belt 282 upper surface until reaching width b3.By Distance b2 in carrying belt 282 and instrument bottom surface " is more than carrying belt 282 and instrument bottom in the range of Breadth Maximum b3 " Face is " width in the range of width b2 ", the connecting sewing 289 below stop protrusion structure 674a, 674b described above is just not It can be untied from carrying belt 282.

For the precise forms of instrument, inventor determines the following several of instrument 660 after being detected based on kinds of experiments What feature, these features are particularly advantageous to realize stable covering film process：

The coefficient that length I1 and width b3 are painted in Fig. 6 b should be between 1.5 to 2.5.

Difference between spacing d1 and d2 shown in Fig. 6 d should be in 0.1mm between 1mm, especially in 0.3mm extremely Between 0.8mm, more preferably in 0.6mm between 0.6mm.

Cutting angle θ (theta) shown in Fig. 6 b should be between 15 ° to 40 °.

Angle of attack β (beta) shown in Fig. 6 d should be between 30 ° to 60 °.

The cutting for the instrument 560b being also pointed out that here in linguistic context shown in Fig. 5 b namely processing section 564 are in device Especially there is advantage in terms of angle.Depending on cover layer is cut the degree that section is lifted up, the cut length of instrument 560 is referred to alternatively as groove Section（Kehlschliff ）Trend a kind of favourable angle of attack can all be presented automatically.

One kind is depicted into 7d in Fig. 7 a and cuts into two-part cover layer process situation from centre by cover layer 288. As shown in Figure 7a, an a first strip position 788a and second strip position 788b will be produced.Fig. 7 b are illustrated by extending " perspective cross-sectional view " that two cover layer strip positions 788a and 788b are folded down by the front end of section 666.Fig. 7 c, which are illustrated, to be extended The rear end of section 666, or more precisely in two stop protrusions 674a and 674b rearward in region, the first strip position 788a and the second strip position 788b that cannot be recognized herein are skidded off due to symmetry from corresponding stop protrusion. As shown in 7d, also occur similar situation in the range of basal segment 670, equally have between basal segment bottom surface and carrying belt 282 One enough spacing.In addition, also to obtain basal segment 670 inclined is turned up to the clean of two strip position 788a and 788b The support of side wall 672.

Intuitively, there are enough spaces between instrument 660 and carrying belt 282, so as to the cover layer energy being tightened up It is enough to shift outwardly（See Fig. 7 b）, the chocking construction for having two stop protrusions 674a and 674b to form is wider, connecting sewing 289 and work The distance between the centre position of tool 660 is shorter, and cover layer by（Towards outside connecting sewing 289）Pulling force is bigger, also gets over Consumingly it is pressed against outside.And pulling force is produced in cover layer also can draw cover layer in stop protrusion structure 674a at 674b To the upper surface of the interior stop protrusion structure of width " b2 ", thus, even if in the range of, cover layer also will not in Breadth Maximum " b3 " Slid from bulge-structure 674a, 674b stop protrusion structure namely from instrument.

In the case of spacing between thus connecting sewing smaller in element is also less, instrument 660 can only have two kinds and Non- three kinds of width.Or this situation is interpreted as b1=b2.In the state of thoroughly being dug at two strip positions of cover layer, Carrying belt 282 can exceed that 90 ° to the angle between cover layer namely corresponding cover layer strip position（See Fig. 7 d）.Thus, To use mounting head grasping element, in the range of the upper shed 671 of instrument 660, with regard to suitable side wall on basal segment 670 can be set 672.During grasping element, side wall can hold up cover layer strip position and away from element.When angle is sufficiently large, Side wall 672 can altogether dispense with because in the presence of pulling force, cover layer in the range of opening 671 also can safely by Pull open.

Pulling force in cover layer can also be used, so as to by cover layer stop protrusion structure 674a, 674b width Cover layer is pulled open between carrying belt 282 and instrument 660 in the range of degree increase, and therefore ensures that corresponding cover layer bar Shape position 788a and 788b is folded down or said completely extrusion to outside connecting sewing 289.Under the effect of the pressure, cover layer may be at certain The deformation of elastic force or solid occurs in degree without being skidded off from instrument 660.So, pending element maximum and minimum dimension Between difference can be bigger, and length of the instrument 660 along direction of transfer can become smaller.

It is shorter with being folded down the distance of the position of cover layer in the transmission direction completely to cut cover layer, caused by cover layer Pulling force is bigger.If it this may result in cover layer without the stop protrusion structure 674a, 674b, pulling force and slided from instrument 660 The recess 285 for falling and being mounted with element is just no longer opened.

Put on cover layer（It is simultaneously also related to be applied to connecting sewing 289 and carrying belt 282）Power depend on stop it is convex Rise between structure 674a, 674b and carrying belt 282 upper surface（From front to back）Distance d and stop protrusion structure 674a, 674b width increase must have how soon.Thus, this power also just limit pending element indirectly can in terms of size and width Maximum disparity between the maxima and minima that can have.

If connecting sewing 289 is not close to recess 285 but remote from the latter, then connecting sewing equally can thus place The instrument 660 stated is acted upon.

The surface mount device conveyer belt of (such as 8mm or 12mm) is determined in width（SMD-Gurt）In, difference can be loaded The element of size.Only element is indirectly by what corresponding standard determined in the full-size on direction of transfer T. If it is known that all permissions of respective element feedway and element band, then can be by instrument 600 and the element of determination Size is matched.The differentiation carried out with respect to the position of connecting sewing, just substantially can by this matching operation personnel More easily instrument 660 of the selection suitable for different elements band.Except the franchise between the instrument that can overcome the disadvantages that 660 and connecting sewing 289, The design of the instrument 660 of by the agency of can also reduce instrument as that can open wide the component kind being likely located in particular element band The required number of sizes possessed.

To stop protrusion structure 674a, 674b further using can be, the connection to partly covering recess 285 Seam 289 is disassembled, to make all recesses 285 remain able to be opened wide completely.Other connecting portions between recess 285 Similarly can safely it be disassembled.

Fig. 8 a illustrate another embodiment of instrument from 8b from two different angles, and instrument is denoted as 860 herein. Instrument 860 can be not only handled cover layer when cover layer moves along direction of transfer T.One is carried based on instrument 860 The individual special tectonic for being similarly positioned in basal segment 670 and the other extension section 876 relative with extension section 666, cover layer exist During inverse direction of transfer T movements, it can also be handled.As previously described in described in " summary of the invention " part, element band is reversely transmitted temporarily Situation may at this moment occur, i.e., when instrument 860 is used for the component supplying apparatus of two element bands of a transmission, Ye Jiyao It is or that the element on an element band is that element on another element band is transported to component pick up location.In this situation In, to avoid the generation mechanical collision of two element bands, it is necessary to while two element bands are transported, it is exactly specifically while incites somebody to action Wherein an element band is transmitted against common direction of transfer T.

According to the embodiment described herein, there are two on the bottom surface of extension section 876 in addition（In addition）Side stop is convex Rise, but in Fig. 8 a and 8b, due to angle element, an other side stop protrusion 878a can only be all recognized respectively.

Because in reversely transmission element band, its recess 285 has all emptied, just without going opening or partial breakaway to cover again Epiphragma.Therefore, the back side of instrument 860 also just accordingly becomes for " free end "（stumpf）.For reversely transmission, due to Pulling force ratio inside the cover layer being opened it is processed along direction of transfer T be small, the angle of wedge J (theta, seeing Fig. 6 b) of instrument It can become more acute, and the tip section of instrument can extend to the Breadth Maximum of instrument, if the work in reverse transmission Tool 860 has stretched into cover layer, then instrument 860 need not just possess the part that width is b1, especially also must no longer possess Tip section.

Due to during whole treatment element band and cover layer, cutting and routing up/extruding the power of cover layer all Same inverse direction of transfer T acts on carrying belt 282, then is necessary to make transmitting device in the scope residing for instrument 860 114 is mutually embedding with the transmission hole 287 of conveyer belt 282.So, with regard to can optimize the power transmission between element band and instrument 860 with Relative positioning, and the deformation for the element band not being expected to is reduced as far as possible.Transmitting device 114 and carrying belt 282 are mutually embedding along member Part Tape movement, and when size of the element band at least close to transmitting device 114, the length of element band just becomes longer.Such as Fig. 8 b It is shown, it that case, instrument 860 just must respective curved.And when the bottom surface of instrument 860 is bent, produced in cover layer Pulling force will be bigger than in the case of " flat tool ".

Fig. 9 depicts another embodiment of instrument, but only presents the cross section for the basal segment for being denoted as 970.In work In this embodiment of tool, the cover layer untied from carrying belt 282 can continue outwards to turn up via top cover 973.Such one Come, space of the processing cover layer required in the surface direction of vertical bearing belt 282 just reduces.This is just with advantageous Mode shortens the path passed through needed for mounting head pickup device and required time.

For the sake of assurance, also it should again be noted that the tool design described in this document is not merely only used at least connecing Closely from intermediate shear cover layer with the situation of unlimited element.The instrument is also used to outside shearing untie as convenient enough The situation of one of two connecting sewings.

It is also pointed out that the concept of " element size " is on direction of transfer T all the time for element in this document For dimension.

Considerable advantage possessed by instrument described in this document is hereinafter summarized in the form of main points：

By the instrument, between instrument and recess and connecting sewing due to production and assembly error and the skew of caused position can lead to Cross and reliably raise upwards/extrude cover layer and balanced.

One instrument is applicable not only to a kind of element size, also can be suitably used for the Various Components size in a certain scope.

One instrument is understood that matching is possible with the element size handled by it is carried out.Wherein, because element is grown Degree and element band production error and cause the position of connecting sewing corresponding to a certain particular types element difference occur, this difference It can be balanced by instrument of the present invention.Therefore, applicable instrument can be selected according to the regular size of element, and simultaneously The position of connecting sewing is necessarily determined in advance.

Dependence of the cover layer processing routine to element carrying material and mechanical property diminishes.

When connecting sewing part has covered element band pocket, connecting sewing can be untied from marginal portion.

Already present connecting sewing between recess can be untied when necessary.

In certain embodiments, instrument has the moulding of bending.So, in cover layer processing procedure, element band The size of transmitting device can be followed.

In certain embodiments, element band can be transmitted below instrument towards both direction.

It should be noted also that in this document " there is " this concept to be not precluded from other elements, "one" is not also arranged Except the situation more than one.The element described in various embodiments can be optionally combined.It should also be noted that, right will Claimed scope is asked to be not limited to the reference marker wherein indicated.

Claims (23)

1. a kind for the treatment of element is with cover layer (288) so as to be in different recesses on the carrying belt (282) of element band (180) (285) the unlimited instrument (360,560,660,860) of electronic component in, it is characterised in that the instrument (360,560,660, 860) have：One tip section (562,662), the direction of transfer (T) of the tip section and element band (180) relatively, and its Construction can make its pierce carrying belt (282) with cover layer (288) between and by cover layer (288) from carry belt (282) Lifted towards instrument (360,560,660,860)；One processing section (564,664), in instrument (360,560,660,860) work When making on tip section (562,662), and the construction for handling section (564,664) can make it along by tip section (562,662) major axis (LA) of the cover layer (288) started namely the side parallel to instrument (360,560,660,860) major axis The cover layer started to processing.

2. instrument (360,560,660,860) as claimed in claim 1, it is characterised in that：It handles section (564,664) The cover layer being lifted (288) can be cut to two longitudinally oriented strips by construction along its long axis direction, preferably from center Shape position (788a, 788b).

3. instrument (360,560,660,860) as claimed in claim 1, it is characterised in that：It handles section (564,664) Construction can direction be opened from carrying belt (282) along its longitudinal axis by a side of the cover layer being lifted (288).

4. instrument (560b) as described in any claim in claims 1 to 3, it is characterised in that：Also there is a top cover (566), handle section (564) be located between tip section (562) and top cover (566), in addition, compared to handle section (564), Top cover (566) is at least handling edge on the direction of instrument (560b) major axis (LA) at one of processing section (564) Region in widen.

5. instrument (360,560,660,860) as claimed in claim 4, it is characterised in that：Along instrument (360,560,660, 860) major axis (LA), the front end of processing section (564,664) especially should be relative positioned at the front end of tip section (562,662).

6. instrument (660,860) as claimed in claim 5, it is characterised in that：The bottom surface of instrument (660,860) is a bending Surface.

7. instrument (660,860) as claimed in claim 6, it is characterised in that：Also there is an extension section (666), the expansion Exhibition section arises from processing section (664), and extends to instrument (660,860) along the long axis direction (LA) of instrument (660,860) The back side, extension section (666) construction features be to become wider at instrument (660,860) back side, and this width be by perpendicular to Instrument long axis direction (LA) measurement is drawn.

8. instrument (660,860) as claimed in claim 7, it is characterised in that：Also there is a first side stop protrusion (674a), it is positioned at the lower surface of extension section (666) and in transverse direction from extension section (666) protrusion.

9. instrument (660) as claimed in claim 7, it is characterised in that：Also there is a second side stop protrusion (674b), It is positioned at the lower surface of extension section (666) and in transverse direction from extension section (666) protrusion, its direction and first protruded Side stop protrusion (674a) is opposite.

10. instrument (660,860) as claimed in claim 8 or 9, it is characterised in that：Its first side stop protrusion (674a) And/or second side stop protrusion (674b) should have such moulding, i.e., the width of instrument (660,860) towards instrument (660, 860) widen in terms of the back side.

11. instrument (660,860) as claimed in claim 10, it is characterised in that：Its first side stop protrusion (674a) and/ Or second side stop protrusion (674b) at least has a ladder (675), so that the width of instrument (660,860) is towards instrument (660,860) widen step by step in terms of the back side.

12. instrument (660,860) as claimed in claim 11, it is characterised in that：Its first side stop protrusion (674a) and/ Or at least one ladder (675) in second side stop protrusion (674b) can handle overlay film with being constructed as below (288) when, overlay film (288) can produce maximum pull by the region after ladder (675).

13. the instrument (660,860) as described in any claim in claim 8 to 12, it is characterised in that：In extension section (666) in back-end region, extension section (666) does not have first side stop protrusion (674a) and/or second side stop Raised (674a).

14. instrument (660,860) as claimed in claim 13, it is characterised in that：Also there is a basal segment (670), it rises In extension section (666), along instrument long axis direction (LA) to the back side of instrument (660,860) extend, and determine instrument (660, 860) Breadth Maximum.

15. instrument (660,860) as claimed in claim 14, it is characterised in that：Its basal segment (670) has at least one side Wall (672), the side wall is parallel to instrument major axis (LA) and perpendicular to by major axis (LA) and the reference plane laterally strutted, Huo Zheyu The reference plane is in oblique angle.

16. the instrument (660,860) as described in claims 14 or 15, it is characterised in that：There is one to open in its basal segment (670) Mouth (671), and this opening is through to lower surface through whole instrument (660,860) from the upper surface of instrument (660,860).

17. the instrument (860) as described in any claim in claim 14 to 16, it is characterised in that：Also there is one separately Outer extension section (876), the extension section starts from basal segment (670), and is extended to along instrument (860) long axis direction (LA) The back side of instrument (860), while have following moulding, i.e. this other extension section (876) are towards instrument (860) back side Narrowed width, equally transversely measurement is drawn this width.

18. instrument (660) as claimed in claim 17, it is characterised in that：Also have an other first side stop convex Rising (878a), it is located at the lower surface of other extension section (876), and in transverse direction from other extension section (876) Protrusion, and/or an other second side stop protrusion (878b), it is located at the following table of other extension section (876) Face is simultaneously protruded from other extension section (876) in transverse direction, its direction protruded and other first side stop protrusion (878a) is opposite.

19. the instrument (360,560,660,860) as described in one of above-mentioned claim, it is characterised in that：At least handle section (564,664) be made of steel or pottery, especially by a kind of ceramic of casting into.

20. a kind of component supplying apparatus (100) that electronic component (190) is constantly delivered to attachment program, wherein electronics Element is located in the recess (285) on element band (180) respectively, and element band has a carrying belt (282) and cover layer (288), and first strip position (284) of the carrying belt (282) with recess (285) is coated to epiphragma (288) covering, and immediately The the second strip position (286) with equidistant transmission hole (287) is uncovered film (288) covering and opened wide, and element supplies Have to device (100):

One chassis (102)；

One element tape drive (110) positioned at chassis (102) side or inside, there is a motor (112) and can be by horse Up to (112) driving transmitting device (114), transmitting device can embedded components band (180) transmission hole (287) and thus in motor (112) element band (180) is transmitted under driving along direction of transfer (T)；

A kind of guide device (332), it is located on chassis (102), has elongate structure, beside transmitting device (114), When device (332) guiding is at least directed in the front end of element band (180) with order and being transmitted,

I) in first strip position (284) part, the upper surface of overlay film (288) and/or (ii) at the second strip position (286), Be transmitted the upper surface of the carrying belt (282) of the element band (180) of device (114) crawl at least in this case when from lower past On touch the lower surfaces of guide device (332), i.e., when the front end of element band (180) is directed device (332) traction and along the dress Put when sliding forward；And

One kind instrument (360,560,660,860) as described in one of claim 1 to 19, on chassis (102) and have Relative to the locus of the fixation of guide device (332), so as to element band (180) during by transmission by instrument (360,560,660,860) handle, and it carries at least partly no longer coated epiphragma of recess (285) that belt (282) carries (288) cover.

21. component supplying apparatus (100) as claimed in claim 20, it is characterised in that：Also there is one and be arranged on chassis (102) the other guide device (336) on, it has an elongate structure and along direction of transfer (T) and guide device (332) Be connected, wherein at least one bottom surface of other guide device (336) on direction of transfer (T) with instrument (360) Distance (d) is greater than the distance (d) of guide device (332) and the latter.

22. component supplying apparatus (100) as claimed in claim 21, it is characterised in that：Its guide member (332) includes one It is subordinated to the first of transmitting device and slides section (332), one is subordinated to the second of other transmitting device (336) and slides section (336), the step section (334) between two boot segments (332,336).

23. a kind for the treatment of element band (180) cover layer (288) carries recess on belt (282) to make to be located at element band (180) (285) process that the electronic component (190) in opens wide, it is characterised in that：The instrument includes (a) in component supplying apparatus (100) It is middle to be transmitted element band (180) along direction of transfer (T), and instrument that one possesses requirement described previously (360,560, 660,860) it is fixedly mounted on component supplying apparatus (100)；By tip section (562,662) stretch into carrying belt (282) with Between cover layer (288)；Cover layer (288) is lifted towards instrument (360,560,660,860)；And by handling section (564,664) cover layer (288) is handled.