CN1578615A - Communication device and surface assembling machine using the same communication device - Google Patents
Communication device and surface assembling machine using the same communication device Download PDFInfo
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- CN1578615A CN1578615A CN 200410062896 CN200410062896A CN1578615A CN 1578615 A CN1578615 A CN 1578615A CN 200410062896 CN200410062896 CN 200410062896 CN 200410062896 A CN200410062896 A CN 200410062896A CN 1578615 A CN1578615 A CN 1578615A
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Abstract
A tape feeder (4) is fixed removably to a feeder fixing plate (16) provided at the component feeding section of a mounter body. A radio communicable tag (21) for recording the information of the feeder (4) is embedded in the tape feeder (4) at a position facing the feeder fixing plate (16) which is embedded with an antenna substrate (22) having an antenna coil (22a). An LC resonance circuit is built in the antenna substrate (22) and previously set with a resonance frequency shifted from the signal frequency of the radio tag (21) while taking account of variation in the resonance frequency due to effect of the metal part, e.g. a positioning pin (17), of the tape feeder (4) so that the LC resonance circuit has a resonance frequency capable of receiving a signal from the radio tag (21) when the feeder (4) is fixed to the feeder fixing plate (16).
Description
Technical field
The present invention relates to parts are carried surface mounting apparatus on wiring boards such as printed substrate, particularly relate to and be used for the surface mounting apparatus that can communicate between feed appliance that parts supply with and the fitting machine main body and carry out above-mentioned communicator of communicating by letter.
Background technology
Surface mounting apparatus in the past, a plurality of feed appliances releasably are arranged on the parts supply unit of fitting machine main body, for example the surface mounting apparatus that releasably is provided with of multiple row belt feeder.Usually in this surface mounting apparatus, which which kind of be installed in for the feed appliance that will accommodate parts on the position of parts supply unit, all need the operator to confirm, take that so really industry is very miscellaneous as, and the problem of mistake etc. might occur confirming by visual.
For this reason, in recent years, the technology of developing can be stored in feed appliance self in advance with relevant feed appliance and the information that is housed in parts wherein, when feed appliance is installed in the parts supply unit, more described information is provided to the fitting machine main body.
For example shown in the patent documentation (Japanese patent laid-open 11-317595 communique), its structure is on feed appliance, the storage part that the relevant feed appliance of storage is set and is housed in the information of parts wherein, with can be connected the end to what the information that is stored in this storage part was received and dispatched, simultaneously on the fitting machine main body, terminal corresponding with described connection end and the electronic computer that combines with this terminal are set, when feed appliance is installed on the fitting machine main body, the connection end of feed appliance and the termination contact of fitting machine main body, under this state, described electronic computer can be directly and the storage part of feed appliance carry out handshaking.
Again, in above-mentioned patent documentation, a kind of structure is also disclosed, be on feed appliance and fitting machine main body, be provided with and replace the contact communicator of forming by above-mentioned connection end and above-mentioned terminal corresponding to the information transmit-receive circuit that carries out information transmit-receive by noncontact modes such as electromagnetic induction.
Yet, adopt above-mentionedly when carrying out information transmit-receive by electromagnetic induction etc. in noncontact (wireless) mode, the position deviation of the information transmit-receive circuit of the information transmit-receive circuit of feed appliance one side and fitting machine main body one side (mainly being the position deviation of antenna part) can be brought influence to communications status.
For this reason, when feed appliance being installed on the fitting machine main body, must be so that the state that communication is well carried out be provided with each information transmit-receive circuit.In above-mentioned patent documentation, what do not disclose relevant information transmit-receive circuit specifically is provided with structure, therefore, can carry out well for making communication, and each information transmit-receive circuit how feed appliance and fitting machine main body are set is crucial.
At this moment, because the part of configuration information transmission circuit or its close position are if exist the metal part on feed appliance is installed with plate, the resonance frequency that can make the information transmit-receive circuit changes and causes communications status to worsen or can't communicate, so point must be noted.That is, because of the mounting portion (feed appliance is installed and used plate) of feed appliance, a plurality of feed appliances that supporting is set up in parallel so require it to have high strength, adopt metal material for this reason usually.Therefore, install with on the plate, cause the communications status deterioration or can't communicate because the influence that is subjected to metal can make the resonance frequency of information transmit-receive circuit change if the information transmit-receive circuit is set directly at feed appliance.Therefore, must employing solve the problems referred to above someway.
In addition, when the information transmit-receive circuit of feed appliance one side concerns not quite accurately with the position of the information transmit-receive circuit of fitting machine main body one side, also can make to communicate by letter and well carry out, perhaps, can consider the system that uses communication range wide departing from the influence that to avoid the metal pair communication performance to cause when feed appliance is installed position configuration information transmission circuit with plate.But, the system price costliness that communication range is wide, and in the fitting machine main body, be equipped with a plurality of feed appliances, so it is expensive to adopt this system not only can cause, and can cause garble, so the very wise move of can not saying so.
Summary of the invention
In view of the above problems, the objective of the invention is to, the above-mentioned communication that is used in the surface mounting apparatus that can communicate between feed appliance that parts supply with and the fitting machine main body can reliably and well be carried out.
To achieve these goals, communicator of the present invention, be the feed appliance of surface mounting apparatus and the communicator between the fitting machine main body, a plurality of described feed appliances releasably are installed in the feed appliance installation of the parts supply unit of being located at the fitting machine main body with on the plate with state side by side, it is characterized in that, install on the position relative at described each feed appliance and described feed appliance with plate, relevant feed appliance of record and the information that is housed at least one side of parts wherein are set, and can carry out the recording portion of radio communication, on described feed appliance is installed with plate, setting has the message pick-up portion that is used to receive from the tuning circuit of the information of described recording portion, and, for be installed at described feed appliance feed appliance install with plate on the time can receive signal from described recording portion, the natural frequency that described tuning circuit is had is redefined for the value that signal frequency departed from that sends with respect to described recording portion, and this deviation value is suitable with the value of the frequency variation that influence the took place part that is subjected to metal part in described recording portion installation site or its close position.
Adopt said structure, because the natural frequency that tuning circuit is had is redefined for deviation value, this deviation value is suitable with the value of the frequency variation that influence the took place part that is subjected to the metal part, therefore described feed appliance be installed in feed appliance install with plate on the time, can be corrected above-mentioned departing from by the influence of metal part on the contrary, thereby make the frequency of tuning circuit consistent with signal frequency (or in frequency range of accessible information), so that can communicate between recording portion and the receiving part from recording portion.Also recording portion etc. can be set at metal part or its close position of being difficult to be provided with in the past thus, thereby can improve the degree of freedom that the position is set of recording portion etc.
In said structure, described message pick-up portion has resonant circuit as described tuning circuit, by with the condenser capacity in the described resonant circuit, be set at the value that can compensate the inductance changing unit that influence took place that is subjected to metal part in described recording portion installation site or its close position, the intrinsic frequency that described tuning circuit is had is redefined for the value that signal frequency departed from that sends with respect to described recording portion.
Adopt said structure, easily structure and make the tuned frequency of message pick-up portion (tuning circuit) be in the state that departs from.
Surface mounting apparatus of the present invention, a plurality of feed appliances are installed with on the plate with the feed appliance that state arranged side by side releasably is installed in the parts supply unit of being located at the fitting machine main body, it is characterized in that, as making the device that carries out the radio communication of information between described feed appliance and the fitting machine main body adopt above-mentioned communicator.
Adopt said structure,, therefore recording portion and message pick-up portion can be installed on the position that more helps communicating because the degree of freedom of the installation site of recording portion and receiving part is higher.Can carry out radio communication more accurate and exactly thus.
In said structure, also can have checkout gear, install with the communications status between the described recording portion of the feed appliance on the plate and the described receiving part corresponding according to being installed in described feed appliance,, measure the unusual of described feed appliance when this communications status when being obstructed with it.
Adopt said structure, when appearance distortion or breakage etc. are unusual on feed appliance, can be measured apace.Promptly, be installed in the frequency of feed appliance installation with the described message pick-up portion (tuning circuit) on the plate, by feed appliance being installed in feed appliance the deviate by the changing unit of the frequency that influence took place of the metal part of the installation site of recording portion or its close position that estimates with being redefined on the plate is installed, therefore on the feed appliance in a single day (above-mentioned metal part is graded) distortion and breakage etc. have occurred unusually, then the influence degree of metal part promptly is subjected to the metal tuned frequency variation that influence produced partly and also changes.At this moment, even described feed appliance is installed in feed appliance and installs with on the plate and be subjected to the influence of metal part, the frequency of tuning circuit also not with the signal frequency consistent (or not in the frequency range that can communicate by letter) of recording portion, so can not communicate between recording portion and the receiving part.For this reason, by this state that can not communicate by letter is detected, can detect the distortion of feed appliance and breakage etc. on the contrary apace.
Surface mounting apparatus of the present invention, parts supply unit in the fitting machine main body is provided with a plurality of feed appliances, these feed appliances releasably are installed in the feed appliance of being located at described parts supply unit and install with on the plate, it is characterized in that, install on the position of using the plate subtend at described feed appliance and described feed appliance, the information that relevant feed appliance of record and at least one side who is housed in parts wherein are set also can be carried out the recording portion of radio communication, on described feed appliance is installed with plate, the message pick-up portion of reception from the information of described recording portion is set, and, on described feed appliance is installed close position with the described recording portion of plate and feed appliance or receiving part, be provided with alignment pin and insert the location hole that this pin is used, be used for feed appliance is installed in described feed appliance install with plate on the time described recording portion and receiving part made mutual location.
Adopt said structure, utilize alignment pin to insert the location hole of the other side's one side, with plate and feed appliance recording portion and message pick-up portion are located mutually by the feed appliance installation.And alignment pin etc. are arranged on close positions such as recording portion, and it is uneven that its result can make recording portion and message pick-up portion not exist, and are located under the state of subtend reliably.At this moment, even alignment pin is the metal manufacturing, the influence of communication is come the specified conditions of setting recording portion and message pick-up portion, can guarantee excellent communications state between the two thus owing to considered alignment pin in advance.
In said structure, described alignment pin and location hole, but double as is for installing with the device that positions between the plate described feed appliance and feed appliance.
Adopt said structure, can constitute common use alignment pin and feed appliance the rational structure that is used as positioner with plate is installed.
In said structure, also can the location division of being made up of alignment pin and location hole be set on 2 positions, described recording portion and message pick-up portion are set between these location divisions.
Adopt said structure, can prevent more effectively between recording portion and the message pick-up portion dislocation and to carrying out correct positioning more between the two.
Surface mounting apparatus of the present invention, parts supply unit in the fitting machine main body is provided with a plurality of feed appliances, these feed appliances releasably are installed in the feed appliance of being located at described parts supply unit and install with on the plate, it is characterized in that, install on the position of using the plate subtend at described feed appliance and described feed appliance, the information that is provided with relevant feed appliance of record and at least one side who is housed in parts wherein also can be carried out the recording portion of radio communication, on described feed appliance is installed with plate, the message pick-up portion of reception from the information of described recording portion is set, and this message pick-up portion installs at least a portion with the plate side surface with described feed appliance and is non-contacting state with respect to this plate and is installed on this plate.
Adopt said structure, owing to message pick-up portion is non-contacting state and is installed on this plate with feed appliance a part with plate to be installed, even so this plate be the metal manufacturing also be not easy be affected, even result's configuration information acceptance division on feed appliance is installed with plate also can be guaranteed the excellent communications state.
In said structure, can form porose portion in the installation site that described feed appliance is installed with the portion of message pick-up described in the plate, by described message pick-up portion being installed on this installation site, thereby form the space in the behind of this receiving part with this hole portion overlapping state.
Adopt said structure, message pick-up portion is directly installed on feed appliance installs, can also reduce the contact portion of this plate and message pick-up portion on the other hand with guaranteeing installation strength on the plate." hole portion " is meant through hole or the recess that forms in feed appliance is installed with plate.
In said structure, can be provided with the screening glass that is used for protecting this message pick-up portion face relative being installed on described feed appliance installation with in the message pick-up portion of plate with described recording portion.
Adopt said structure, the damage that the interference in the time of can effectively preventing message pick-up portion because of the loading and unloading feed appliance etc. is subjected to.
Description of drawings
Fig. 1 is equipped with the vertical view of the surface mounting apparatus of belt feeder for expression roughly.
Fig. 2 is the end view of the surface mounting apparatus of Fig. 1.
Fig. 3 is when being illustrated in belt feeder from state that surface mounting apparatus takes off, the approximate vertical view of the setting of antenna traces plate etc.
Fig. 4 wants the summary side elevation of portion for when belt feeder being installed in the feed appliance installation with the state on the plate.
Fig. 5 for the expression feed appliance install with plate and be installed in belt feeder on this plate want portion's cutaway view.
Fig. 6 is the concept map of the communication system that communicates between expression belt feeder and the surface mounting apparatus main body.
Fig. 7 wants the summary side elevation (variation) of portion for when belt feeder being installed in the feed appliance installation with the state on the plate.
Embodiment
Embodiments of the invention are described with reference to the accompanying drawings.
Fig. 1 and Fig. 2 have roughly represented to adopt the surface mounting apparatus of one embodiment of the invention.In these figure, the base station of fitting machine main body 1 is provided with the conveyer belt 2 that is used for the conveyance printed substrate, and printed substrate P by conveyance, and stops at the installation exercise position of appointment on described conveyer belt 2.On the fore-and-aft direction (above-below direction among Fig. 1) of described conveyer belt 2, be respectively arranged with parts supply unit 3.Being respectively arranged with the feed appliance parallel with described conveyer belt 2 on these parts supply units 3 installs with plate 16.On each feed appliance is installed with plate 16, a plurality of feed appliances that are used to supply with various parts are installed releasably, in the illustrated example, a plurality of belt feeders 4 with side by side and the state that is positioned separately releasably installed.
As depicted in figs. 1 and 2, be provided with the head unit 5 that is used to install parts above described base station, this head unit 5 can be gone up and move at X-direction (direction parallel with conveyer belt 2) and Y direction the direction of conveyer belt 2 quadratures (among the Fig. 1 with).
That is, on described base station, the supporting member 6 of head unit 5 is arranged on the fixed guide 7 of Y direction movably, head unit 5 can move along the ways 8 of X-direction, and is supported on the supporting member 6.And, utilize Y-axis servomotor 9 and make supporting member 6 carry out moving of Y direction by screw rod 10, utilize X-axis servomotor 11 simultaneously and make head unit 5 carry out moving of X-direction by screw rod 12.
Carrying a plurality of installations that are used to install parts with 13 on described head unit 5, in the present embodiment, 8 installations are arranged in 13 and are arranged into 1 on the X-direction and are listed as.Again, install with 13 and can carry out moving and rotating of Z-direction (with reference to Fig. 2) with respect to the framework of head unit 5 respectively, by driving with the lifting drive and the rotating driving device of servomotor as drive source around R axle (mouth central shaft).Again, be provided with suction nozzle 14 (with reference to Fig. 2) in each lower end of installing with 13 Z-direction, the Negative pressure supply device during parts absorption from scheming outside is supplied with negative pressure to suction nozzle 14, utilizes the attraction by this negative pressure generation that parts are held.
In the moving range of described head unit 5, promptly near each the parts supply unit 3 on the base station, be provided for discerning the camera head 15 of adsorbed state.
In above-mentioned surface mounting apparatus, be arranged on each belt feeder 4 of parts supply unit 3, be embedded with the recording portion that to carry out radio communication, it is wireless identification tag (tag) 21, in addition in fitting machine main body 1, be provided with antenna traces plate 22 that described wireless identification tag 21 is carried out information transmit-receive etc., be provided with the controller that is electrically connected with antenna traces plate 22 simultaneously.Followingly these structures are described particularly with reference to Fig. 3 and Fig. 4.
Fig. 3 is an approximate vertical view, represent to have antenna traces plate 22 and the fitting machine main body 1 of connected electrical system and the belt feeder with the wireless identification tag 21 that can carry out radio communication that is arranged at the parts supply unit with decomposing state, Fig. 4 is feed appliance that described belt feeder 4 is installed in described parts supply unit 3 summary side elevation when installing with the state on the plate 16.
As shown in Figure 4, described belt feeder 4 has the framework 4a that is formed by aluminium die casting etc., rearward end at this framework 4a is supporting spool 4b, this spool 4b is wound with the belt (not shown) with decided to accommodate at interval strip electronic components such as keeping IC, transistor, capacitor, described belt is derived from this spool 4b on one side, Yi Bian be sent to the parts taking-up portion of feed appliance leading section.Though parts taking-up portion does not elaborate and illustrates, its structure is belt to be held in to make to install can carry out parts with 13 and pick up, and has the belt delivering mechanism simultaneously, and along with parts pick up with the belt intermittence send.
The forward lower part of belt feeder 4 is separating on the fore-and-aft direction on 2 positions of appointed interval, and the metal alignment pin 17 that protrudes downwards is set, and also is provided with clip (not shown) simultaneously.And, the front side of belt feeder 4 is partly carried in the feed appliance installation with on the plate 16, in that described alignment pin 17 embeddings (insertion) are located at the feed appliance installation with forming in the location hole 18 of plate 16 under the state of location, by described clip belt feeder 4 is fixed on the feed appliance installation and uses on the plate 16.
Described wireless identification tag 21 is set on belt feeder 4 again.This wireless identification tag 21 is called RFID (radio frequencyidentification radio-frequency (RF) identification), for example, have aerial coil 21a, control loop 21b, power supply generating unit 21c and memory 21d as shown in Figure 6, information rewriting is recorded among this memory 21d possibly, and can carries out radio communication.
In this wireless identification tag 21, can write the kind of feed appliance, intrinsic numbering (feed appliance identifier), be contained in parts kind in this feed appliance, remainder etc.Also can store the resume (supplied with several, a certain mistake as parts several inferior information have taken place) of relevant this feed appliance in advance again.In addition, the information that is recorded in the wireless identification tag 21 both can be the feed appliance identification sign, also can just be contained in the identification sign of the parts of feed appliance.At this moment, in the memory of being located at aftermentioned control circuit board 23 grades, can write kind, remainder of parts etc. corresponding to the identification sign of feed appliance or parts, so that check.
Described wireless identification tag 21, being embedded in belt feeder 4 and described feed appliance installs with on the relative position of plate 16, concrete structure as shown in Figure 5, be in the lower face side of the front portion of framework 4a and on the position between two alignment pins 17, the part that makes described aerial coil 21a is in the face of the below, and the lower surface of the part that makes this aerial coil 21a and framework 4a is positioned at conplane state and is buried underground.
On the other hand, the feed appliance that is provided with in the parts supply unit 3 of fitting machine main body 1 is installed with on the plate 16, buries antenna traces plate 22 in the scope that comprises a plurality of feed appliances installation site underground.
This antenna traces plate 22 is to connect one-piece type wiring board more, as shown in Figure 6, have on the 1 bar printing wiring board of leap feed appliance installation with the length of the prescribed limit of plate 16, a plurality of aerial coil 22a (only illustrating 1 among Fig. 6) that will be set up in parallel with spacing as message pick-up portion and these antenna coil 22a corresponding to the assortment spacing of feed appliance 4 shared information transmit-receive circuit 22b integrally formed, for example 20 aerial coil 22a can be formed on 1 wiring board together.And, again by on feed appliance assortment direction, arranging many group (as 2～3 groups) antenna traces plates 22, can be in feed appliance be installed roughly whole length range with plate 16 all feed appliances of being installed on plate 16 of corresponding feed appliance installation aerial coil 22a is set.
As shown in Figure 5, described antenna traces plate 22 is installed with the upper surface of plate 16 from feed appliance and is embedded in the feed appliance installation with the plate 16 and fixed with the state towards the top.Nestle up this antenna traces plate 22 above near, the screening glass 25 that is provided with protection antenna traces plate 22 is interfered when avoiding loading and unloading feed appliance, these screening glass 25 usefulness screws 27 are fixed on feed appliance and install on the usefulness plate 16.Thus, install with on the plate 16 if belt feeder 4 is installed in feed appliance, then the wireless identification tag 21 of belt feeder 4 is corresponding with the aerial coil 22a of antenna traces plate 22 and can carry out information transmit-receive.
The installation site of installing with the antenna traces plate 22 on the plate 16 at feed appliance is formed with through hole 16a (hole portion), this through hole 16a forms by the recess 16a1 that caves on the thickness direction of this plate 16 with at the through hole 16a2 of the bottom opening of this recess 16a1, antenna traces plate 22 with the equitant state of part of this through hole 16a under be fixed on feed appliance and install with on the plate 16.Like this, antenna traces plate 22 only is fixed on this plate 16 under its peripheral part and feed appliance are installed with plate 16 state of contact, can reduce antenna traces plate 22 thus and the contact area of using plate 16 is installed, thereby alleviate because of the installation of metal feed appliance plate 16 and the caused influence of contacting of antenna traces plate 22 to communication with feed appliance.
Imbedding feed appliance installs with each antenna traces plate 22 of plate 16 as shown in Figure 3 and Figure 4, be connected with control circuit board 23 by order wire, feed appliance information that antenna traces plate 22 is received or the feed appliance information that sends to wireless identification tag 21, and the control signal of antenna traces plate 22, transmit between this control circuit board 23 and antenna traces plate 22 by serial communication.
Described control circuit board 23 is connected with the controller 24 of the various controls of carrying out fitting machine, and thus, communicating by letter between wireless identification tag 21 and the antenna traces plate 22 controlled uniformly by controller 24.
The described information transmit-receive circuit 22b of antenna traces plate 22 comprises detecting circuit, demodulator circuit and modulation circuit etc., by detecting circuit the received electric wave that sends from described wireless identification tag 21 of described aerial coil 22a is carried out detection, be sent to demodulator circuit, in this demodulator circuit, carry out demodulation, be sent to described control circuit board 23.Otherwise, when wireless identification tag 21 information of carrying out sends, will send described modulation circuit to from the information of described controller 24 outputs by control circuit board 23, send to wireless identification tag 21 by described aerial coil 22a.
In the antenna traces plate 22 of the foregoing description, constitute carry out the resonant circuit (being antenna) of information transmit-receive from the electric wave of wireless identification tag 21 by described aerial coil 22a and information transmit-receive circuit 22b, for example the LC resonant circuit is used as resonant circuit.Specifically, constituted the LC resonant circuit by the capacitor in aerial coil 22a and the information transmit-receive circuit 22b that is electrically connected with it.
This LC resonant circuit as mentioned above, makes with the state of imbedding framework 4a to be installed on the wireless identification tag 21 between a pair of alignment pin 17 and to be installed on the installation of metallic feed appliance with communicating between the antenna traces plate 22 on the plate 16.Promptly, in this communication, normally the signal frequency with wireless identification tag is set at common frequency (frequency in the certain permissible range that maybe can communicate by letter) with the resonance frequency of the other side's who receives this signal antenna traces plate, but in the structure of present embodiment, as mentioned above, because wireless identification tag 21 is embedded among the framework 4a of aluminium die-casting process, also be provided with metal alignment pin 17 at its close position, therefore, even the resonance frequency of LC resonant circuit is set at the frequency common with the signal frequency of wireless identification tag 21, can change by the inductance that influences aerial coil 22a of metal, thereby make the resonance frequency of antenna traces plate 22 1 sides produce change.Again, according to foregoing, because it also is metallic article with plate 16 that the feed appliance installation of antenna traces plate 22 is installed, and makes the resonance frequency change of antenna traces plate 22 so be subjected to the influence of metal equally, thereby causes can not communicating between wireless identification tag 21 and the antenna traces plate 22.
For this reason, described antenna traces plate 22, for under the state that belt feeder 4 is installed on the feed appliance installation usefulness plate 16, can access the resonance frequency that can receive, estimate out earlier the caused change of resonance frequency of influence that is subjected to part such as alignment pin 17 metals such as grade and partly be pre-formed the LC resonant circuit from the signal of wireless identification tag 21.Particularly, in order to obtain the resonance frequency common (frequency in the certain permissible range that maybe can communicate by letter), the capacitor volume that is assembled in the LC resonant circuit is set with the signal frequency of wireless identification tag 21.
About this point, can adopt following formula to describe.That is, the resonance frequency f of LC resonant circuit can be used following formulate usually:
L: the inductance of aerial coil
C: condenser capacity
In the formula, install and to be subjected to the caused variation inductance of influence partly such as alignment pin 17 metals such as grade with time on the plate 16 and partly to be set at Δ L if belt feeder 4 is installed in feed appliance, then resonance frequency f changes delta f.That is:
At this moment, in the LC resonant circuit of above-mentioned antenna traces plate 22, in advance condenser capacity C is increased and decreased the part of corresponding Δ L, make belt feeder 4 is being installed on the feed appliance installation with under the state of plate 16, the resonance frequency of the signal frequency of wireless identification tag 21 and antenna traces plate 22 becomes common value.That is, variation inductance is partly compensated by condenser capacity.If with Δ C is the increase and decrease part of condenser capacity, then can use following formulate:
The formation that is to say the LC resonant circuit of antenna traces plate 22 is, when wireless identification tag 21 and antenna traces plate 22 were made comparisons with monomer respectively, the above-mentioned condenser capacity Δ C's of generation was poor between the signal frequency that makes wireless identification tag 21 and the resonance frequency of antenna traces plate 22.
In addition, only processing has been done in the change that is subjected to metal to influence caused antenna traces plate 22 1 side resonance frequencys here, but also can take place by the change of the caused resonance frequency of influence of this metal in wireless identification tag 21 1 sides.In the present embodiment, because the structure of the aerial coil (not shown) of wireless identification tag 21 is widely less than the aerial coil 22a of antenna traces plate 22, and the major part of wireless identification tag 21 uses molded of resin material to be shaped, therefore, the inductance variable quantity of wireless identification tag 21 1 side resonant circuits is little, follows its change of resonance frequency little of negligible degree.Like this, in the present embodiment, a change to antenna traces plate 22 side resonance frequencys compensates as mentioned above.
Adopt the surface mounting apparatus of above-mentioned present embodiment, when the feed appliance installation that belt feeder 4 is installed in parts supply unit 3 is used on the plate 16, the wireless identification tag 21 of being located at this belt feeder 4 is opposed with 1 aerial coil 22a of described antenna traces plate 22, the information of antenna traces plate 22 (aerial coil 22a) receiving record in wireless identification tag 21 is in control circuit board 23 input controllers 24.At this moment, but because of there is restriction in the communication distance between wireless identification tag 21 and the aerial coil 22a, so the aerial coil 22a that can communicate at 1 wireless identification tag 21 has only and this wireless terminal 21 opposed 1.Like this, be to collect mail, just can detect the position that belt feeder 4 is installed by finding out by which aerial coil 22a.
The information of the kind of the kind of the installation site of this belt feeder 4 and the corresponding feed appliance that sends from described wireless identification tag 21, intrinsic numbering, the parts of being accommodated, remainder etc. is recorded in the controller 24, in installation exercise thereafter, can correctly differentiate on which position of parts supply unit 3 and have which type of feed appliance, parts, can prevent setup error reliably.Again, as required, the component number of supply with installing and the number of times that makes a mistake etc. are write in the wireless identification tag 21 as resume, can carry out communicating by letter between belt feeder 4 and the fitting machine main body 1 thus by the non-contacting information transceiving device that uses wireless identification tag 21 and antenna traces plate 22.
Particularly when carrying out this communication, in the structure of present embodiment, with wireless identification tag 21 and antenna traces plate 22, be separately positioned on and alignment pin 17 and the extremely near position of location hole 18, specifically be that wireless identification tag 21 is arranged between a pair of alignment pin 17 of belt feeder 4, and being arranged on feed appliance, installs antenna traces plate 22 with between a pair of location hole 18 of plate 16, so under the state that belt feeder 4 is installed on the feed appliance installation usefulness plate 16, utilize the locating effect of alignment pin 17 grades, wireless identification tag 21 and the aerial coil 22a corresponding with it are not misplaced, do not exist uneven, thereby subtend reliably.
And, the installation site of installing with the antenna traces plate 22 on the plate 16 at feed appliance is provided with through hole 16a, and with non-contacting state antenna traces plate 22 is installed in feed appliance installs with on the plate 16 as far as possible, thus, make the resonance frequency of the LC resonant circuit that is assembled in the antenna traces plate 22 not be subject to the influence of feed appliance installation with plate 16, and also estimate on this basis and comprise the change of resonance frequency part that influence took place of feed appliance installation with plate 16 and other metal part branch (framework 4a and alignment pin 17), just make the resonance frequency of LC resonant circuit identical under installing with the state of plate 16 belt feeder 4 being installed on feed appliance with the communication frequency of wireless identification tag 21, constitute antenna traces plate 22 in advance, even therefore antenna traces plate 22 being installed in the feed appliance of metal installs with on the plate 16, and wireless identification tag 21 and antenna traces plate 22 be arranged on and the extremely near position of alignment pin 17, also can make between the wireless identification tag 21 of each belt feeder 4 and the antenna traces plate 22 corresponding to communicate well, thereby make the high information communication of reliability become possibility with it.
Again, as mentioned above, can be with wireless identification tag 21 and the aerial coil 22a corresponding with it, opposed reliably under not dislocation and uneven state, the result can import can only be in the communication system cheaply of closely carrying out communicating by letter between wireless identification tag 21 and the antenna traces plate 22.Can reduce the cost of the communication system of belt feeder 4 and fitting machine main body 1 thus, realize the cost degradation of surface mounting apparatus.Again, because of being suitable for above-mentioned near field communication system, so can prevent and error communications in abutting connection with belt feeder 4, its structure can use cheaply structure to realize the information communication that reliability is high.
Again, this surface mounting apparatus also has, and when utilizing antenna traces plate 22 to adopt said structures, can detect the unusual advantage of belt feeder 4 by controller 24.Promptly, being installed in feed appliance installs with the antenna traces plate 22 on the plate 16, as mentioned above, because the resonance frequency of LC resonant circuit is redefined for the deviate of the change of resonance frequency that influence the took place part that estimates metal part (framework 4a and alignment pin 17), therefore, framework 4a goes up in case distortion and breakage etc. to have occurred unusual, and the affected degree of resonance frequency that makes the LC resonant circuit promptly, the variation of resonance frequency also changes.Consequently belt feeder 4 is being installed on the feed appliance installation with under the state of plate 16, the resonance frequency of LC resonant circuit is not consistent with the signal frequency that wireless identification tag 21 is sent yet, thereby can not communicate between wireless identification tag 21 and the antenna traces plate 22.For this reason, by this state that can not communicate by letter being detected, can detect the distortion of belt feeder 4 and breakage etc. on the contrary apace by controller 24.At this moment, described controller 24 has played the effect of the unusual checkout gear of detection belt feeder of the present invention 4.
In this surface mounting apparatus, as mentioned above, owing to will be assembled in the resonance frequency of the LC resonant circuit in the antenna traces plate 22, be redefined for the deviate of changing unit of the frequency that influence took place of the metal part (framework 4a and alignment pin 17) that estimates, therefore, can realize being difficult to realize in the past wireless identification tag 21 and antenna traces plate 22 (aerial coil 22a) are arranged on the metal part near, can relax the restriction that is provided with of wireless identification tag 21 and antenna traces plate 22 thus, improve the degree of freedom of design.
Above-mentioned surface mounting apparatus is an embodiment of surface mounting apparatus of the present invention (being suitable for the surface mounting apparatus of communicator of the present invention), and without departing from the spirit and scope of the present invention, its concrete structure can be done suitable change.For example, also can adopt following structure.
At first, in the above-described embodiments, to be used for that belt feeder 4 is positioned at feed appliance installs with on the plate 16 and the alignment pin 17 and the location hole 18 that are provided with, as the alignment pin utilization that wireless identification tag 21 and antenna traces plate 22 (aerial coil 22a) is positioned usefulness, close position in these alignment pin 17 grades is provided with wireless identification tag 21 etc., but when structure based on belt feeder 4, when alignment pin 17 grades of this feed appliance 4 nearby can not be provided with wireless identification tag 21 grades, also can be position next door being set special-purpose alignment pin is set in addition of wireless identification tag 21, and will the location hole corresponding be arranged on feed appliance near being provided with the position with plate 16 1 side antenna traces plates 22 is installed with it.But, as shown in the Examples, as if wireless identification tag 21 grades are arranged on belt feeder 4 and feed appliance are installed the device that positions usefulness with plate 16, being the next door of existing alignment pin 17 grades, then is a kind of rational structure that existing pin is utilized as alignment pin that wireless identification tag 21 and antenna traces plate 22 are positioned usefulness etc.
In the foregoing description, in order to improve the communication reliability of wireless identification tag 21 and antenna traces plate 22, estimate and comprise the change of resonance frequency part that influence took place of feed appliance installation with plate 16 and other metal part branch (framework 4a and alignment pin 17), constitute antenna traces plate 22, but, install with the structure on the plate 16 only adopting a part with antenna traces plate 22 to be installed in feed appliance with contactless state, in the time of can fully alleviating the influencing of resonance frequency (, in the time of can carrying out communicating by letter between wireless identification tag 21 and the antenna traces plate 22 well), antenna traces plate 22 also may not adopt the aforesaid structure that estimates the change of resonance frequency part.
Again, even when antenna traces plate 22 is made the aforesaid structure that estimates change of resonance frequency part, the also unnecessary both sides that feed appliance is installed with plate 16 and belt feeder 4 (framework 4a and alignment pin 17) consider, in the time carrying out communicating by letter between wireless identification tag 21 and the antenna traces plate 22 well, can only consider that also a certain side's metal part assigns to constitute antenna traces plate 22.
Again, in the foregoing description, install on the installation site of using the antenna traces plate 22 on the plate 16 at feed appliance, recess 16a1 is set and at the through hole 16a2 of the bottom opening of recess 16a1 on the thickness direction of this plate 16, but also can on installing with plate 16, feed appliance only form recess 16a1, install with on the plate 16 by with overlapping state antenna traces plate 22 is installed in feed appliance in this part, constituting a part that makes antenna traces plate 22 becomes contactless state with respect to the feed appliance installation with plate 16.In a word, as long as install with under the state of plate 16 antenna traces plate 22 being installed on feed appliance, form the space in the behind of this antenna traces plate 22, at least a portion that makes antenna traces plate 22 is installed with respect to feed appliance to be become contactless state with plate 16 and gets final product.
Remove and directly antenna traces plate 22 is installed in feed appliance as mentioned above and installs with outside on the plate 16, also can antenna traces plate 22 be fixed on feed appliance and install, antenna traces plate 22 be installed with respect to feed appliance be fixed into contactless state with plate 16 with on the plate 16 by liner.No longer need above-mentioned through hole 16a in this occasion, can improve the productivity of surface mounting apparatus.
In the foregoing description, on 2 positions, be provided with the location division that constitutes by alignment pin 17 and location hole 18, wireless identification tag 21 and antenna traces plate 22 are arranged between these location divisions, if but the setting of wireless identification tag 21 be at the close position of alignment pin 17 then comparatively desirable, this position can be selected according to the concrete structure of belt feeder 4.For example, as shown in Figure 7, will be on fore-and-aft direction and a pair of butting section 16b in the front and back of belt feeder 4 butts, 16c is arranged on feed appliance and installs with on the plate 16, the a pair of alignment pin 17 of being located at the framework 4a top of belt feeder 4 is embedded the feed appliance installation uses the butting section 16b of plate 16 front sides to go up in a pair of location hole 18 that forms, the butting section 16c that will be located at the alignment pin 17 embedding rear sides of its rear side simultaneously goes up in the location hole 18 that forms, and being positioned at feed appliance, installs by belt feeder 4 with in the structure on the plate 16, shown in figure, also wireless identification tag 21 can be imbedded the close position of the alignment pin 17 of belt feeder 4 rear sides, simultaneously correspondingly antenna traces plate 22 is imbedded feed appliance install among the butting section 16c with plate 16 rear sides with it.At this moment, shown in figure, by installing at feed appliance on the butting section 16c with plate 16 rear sides the 16d of hole portion is set, the same with the foregoing description, constituting a part that makes antenna traces plate 22 becomes contactless state with respect to the feed appliance installation with plate 16 and gets final product.Again, shown in the dotted line among the figure, also wireless identification tag 21 can be arranged between a pair of alignment pin 17 of belt feeder 4 (framework 4a) front end, install between a pair of location hole 18 of butting section, the front side 16b that uses plate 16 and antenna traces plate 22 is arranged on feed appliance.
Again, the wireless identification tag 21 of embodiment and antenna traces plate 22 constitute mutually receives and sends messages, and can only send information (reading) to antenna traces plate 22 sides from wireless identification tag 21 but also can constitute.
In the foregoing description, the LC resonant circuit constitutes as tuning circuit of the present invention (part that works as the antenna of fitting machine main body 1 one sides), but the concrete structure of tuning circuit also can adopt structure in addition, in a word, so long as install with on the plate 16 time belt feeder 4 being installed in feed appliance, the natural frequency that has for the tuning circuit that makes fitting machine main body 1 one sides becomes the frequency that can receive from the signal of wireless identification tag 21, is a signal frequency of delivering letters from wireless identification tag 21 relatively and be set, the value that departs from the frequency variation that influence the took place part of part such as the metal that is subjected to framework 4a gets final product.
In addition, the foregoing description is made supplementary notes, from recording portion of the present invention, when being the memory 21d sense data of wireless identification tag 21, pulse signal row according to the described data of exporting from control circuit 21b of representative are data-signal, never the oscillating circuit that illustrated carrier wave is used sends the high-frequency carrier wave of vibration, modulates with the modulation system of Modulation and Amplitude Modulation, frequency modulation(FM) or phase modulated, propagates to aerial coil 22a from aerial coil 21a.The signal wave of propagating to aerial coil 22a carries out demodulation by the modulation-demodulation circuit of receiving part (information transmit-receive circuit 22b), to control circuit board 23 transmission.
In the oscillating circuit that described carrier wave is used, be assembled with capacitor C and other coil L, decide frequency of oscillation according to direct capacitance value and inductance value, i.e. the frequency of carrier wave.And, aerial coil 21a has constituted the part of the oscillating circuit that carrier wave uses, be subjected to the influence of the metal part of alignment pin 17 grades, the inductance of aerial coil 21a (value that comprises inductance own and the mutual inductance mutually that is caused by aerial coil 22a) changes, thereby making frequency of oscillation is the frequency change of carrier wave, the frequency characteristic of the modulation-demodulation circuit of information transmit-receive circuit 22b produces off normal relatively, exists the accurately possibility of demodulation.Equally, constituted the part of the modulation-demodulation circuit of information transmit-receive circuit 22b because of aerial coil 22a, so be subjected to the influence of the metal part of alignment pin 17 grades, the inductance of aerial coil 22a (value that comprises inductance own and the mutual inductance mutually that is caused by aerial coil 21a) changes, the frequency characteristic of modulation-demodulation circuit changes thus, can not obtain data-signal from the carrier wave that receives, the result can not carry out data to transmit sometimes between memory 21d and control circuit board 23.
Yet, in the present embodiment, as mentioned above, by the static capacity of the capacitor C of the not shown modulation-demodulation circuit of antenna traces plate 22 or the inductance of coil L are increased and decreased, make the frequency characteristic of modulation-demodulation circuit can play dynamic and change, thus the caused oscillating circuit of influence of the metal part that is subjected to alignment pin 17 grades or the variation inductance in the modulation-demodulation circuit are partly made compensation.Like this, can obtain data-signal reliably, thereby can be reliably send the data of memory 21d to control circuit board 23 in collection of letters side.
Equally, with writing data into memory 21d the time, is data-signal from the data of control circuit board 23 as the pulse signal row of deciding frequency, be sent to information transmit-receive circuit 22b, according to this data-signal ripple, the high-frequency carrier wave that the oscillating circuit of using from the not shown carrier wave of information transmit-receive circuit 22b sends is modulated with the modulation system of Modulation and Amplitude Modulation or phase modulated, propagates to aerial coil 21a from aerial coil 22a.The signal wave of propagating to aerial coil 21a, the demodulation of the not shown modulation-demodulation circuit by control circuit 21b and write memory 21d.Also changed by oscillating circuit or the inductance in the modulation-demodulation circuit that the metal some effects of alignment pin 17 grades are produced this moment, in this example because by the static capacity of the capacitor C of the not shown oscillating circuit of antenna traces plate 22 or the inductance of coil L are increased and decreased, variation inductance is partly made compensation, the frequency of oscillation that makes oscillating circuit is that the frequency of carrier wave can play the dynamic variation, thus can be positively with writing data into memory 21d.
In sum, the present invention is for being useful at the surface mounting apparatus of communicating by letter that can carry out between the feed appliance that is used to supply with parts and the fitting machine main body, and above-mentioned information communication reliably and is well carried out.
Claims (10)
1. communicator, be the feed appliance of surface mounting apparatus and the communicator between the fitting machine main body, a plurality of described feed appliances are installed with on the plate with the feed appliance that side by side state releasably is installed in the parts supply unit of being located at the fitting machine main body, it is characterized in that
Install on the position relative at described each feed appliance and described feed appliance with plate, relevant feed appliance of record and the information that is housed at least one side of parts wherein are set, and can carry out the recording portion of radio communication, on described feed appliance is installed with plate, setting has the message pick-up portion that is used to receive from the tuning circuit of the information of described recording portion
And, for be installed at described feed appliance feed appliance install with plate on the time can receive signal from described recording portion, the natural frequency that described tuning circuit is had is redefined for the value that signal frequency departed from that sends with respect to described recording portion, and this deviation value is suitable with the value of the frequency variation that influence the took place part that is subjected to metal part in described recording portion installation site or its close position.
2. communicator as claimed in claim 1 is characterized in that,
Described message pick-up portion has resonant circuit as described tuning circuit,
By with the condenser capacity in the described resonant circuit, be set at the value that can compensate the inductance changing unit that influence took place that is subjected to metal part in described recording portion installation site or its close position, the intrinsic frequency that described tuning circuit is had is redefined for the value that signal frequency departed from that sends with respect to described recording portion.
3. surface mounting apparatus, a plurality of feed appliances are installed with on the plate with the feed appliance that state arranged side by side releasably is installed in the parts supply unit of being located at the fitting machine main body, it is characterized in that,
As making the device that carries out the radio communication of information between described feed appliance and the fitting machine main body, possesses communicator as claimed in claim 1 or 2.
4. surface mounting apparatus as claimed in claim 3, it is characterized in that, also has checkout gear, install with the communications status between the described recording portion of the feed appliance on the plate and the described receiving part corresponding according to being installed in described feed appliance with it, when this communications status when being obstructed, measure the unusual of described feed appliance.
5. surface mounting apparatus is provided with a plurality of feed appliances at the parts supply unit of fitting machine main body, and these feed appliances releasably are installed in the feed appliance of being located at described parts supply unit and install with on the plate, it is characterized in that,
In described feed appliance, install with on the relative position of plate with described feed appliance, relevant feed appliance of record and the information that is housed at least one side of parts wherein are set, and can carry out the recording portion of radio communication, on described feed appliance is installed with plate, the message pick-up portion of reception from the information of described recording portion is set, and, install with plate and the described recording portion of feed appliance or the close position of receiving part at described feed appliance, be provided with alignment pin and insert the location hole of this pin usefulness, be used for feed appliance is installed in described feed appliance install with plate on the time described recording portion and receiving part done to locate mutually.
6. surface mounting apparatus as claimed in claim 5 is characterized in that, described alignment pin and location hole, and double as is for installing with the device that positions between the plate described feed appliance and feed appliance.
7. as claim 5 or 6 described surface mounting apparatus, it is characterized in that, the location division of being made up of alignment pin and location hole is set on 2 positions, described recording portion and message pick-up portion are set between these location divisions.
8. surface mounting apparatus is provided with a plurality of feed appliances at the parts supply unit of fitting machine main body, and these feed appliances releasably are installed in the feed appliance of being located at described parts supply unit and install with on the plate, it is characterized in that,
In described feed appliance, install with on the relative position of plate with described feed appliance, relevant feed appliance of record and the information that is housed at least one side of parts wherein are set, and can carry out the recording portion of radio communication, on described feed appliance is installed with plate, the message pick-up portion of reception from the information of described recording portion is set, and this message pick-up portion installs with described feed appliance and is non-contacting state with at least a portion of plate one side surface and this installation with plate and is installed on this plate.
9. surface mounting apparatus as claimed in claim 8, it is characterized in that, the installation site of installing with the portion of message pick-up described in the plate at described feed appliance forms porose portion, by described message pick-up portion being installed on this installation site, thereby form the space in the behind of this receiving part with this hole portion overlapping state.
10. surface mounting apparatus as claimed in claim 8 or 9 is characterized in that, installs with in the message pick-up portion of plate being installed on described feed appliance, is provided with the screening glass that is used for protecting this message pick-up portion face relative with described recording portion.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003185769A JP2005019887A (en) | 2003-06-27 | 2003-06-27 | Surface mounter |
| JP2003185771A JP2005019889A (en) | 2003-06-27 | 2003-06-27 | Surface mounter |
| JP2003185770 | 2003-06-27 | ||
| JP2003185770A JP4234509B2 (en) | 2003-06-27 | 2003-06-27 | Surface mount machine |
| JP2003185771 | 2003-06-27 | ||
| JP2003185769 | 2003-06-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1578615A true CN1578615A (en) | 2005-02-09 |
| CN100482061C CN100482061C (en) | 2009-04-22 |
Family
ID=34595682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100628962A Expired - Lifetime CN100482061C (en) | 2003-06-27 | 2004-06-28 | Communication device and surface assembling machine using the same communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100482061C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103635071A (en) * | 2012-08-27 | 2014-03-12 | 雅马哈发动机株式会社 | Selection unit of tape feeder, surface mount machine, and tape feeder |
| CN110856436A (en) * | 2019-11-12 | 2020-02-28 | 浙江华企正邦自动化科技有限公司 | Vertical chip mounter |
| CN114340372A (en) * | 2020-09-29 | 2022-04-12 | 松下知识产权经营株式会社 | Parts feeder and parts mounting apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2200593Y (en) * | 1994-08-04 | 1995-06-14 | 蔡林辉 | Guiding device of label for self-stick label machine |
| CN2490065Y (en) * | 2001-06-05 | 2002-05-08 | 巫金财 | Supplying and guiding device for machine covering thermal contraction film on labelling |
-
2004
- 2004-06-28 CN CNB2004100628962A patent/CN100482061C/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103635071A (en) * | 2012-08-27 | 2014-03-12 | 雅马哈发动机株式会社 | Selection unit of tape feeder, surface mount machine, and tape feeder |
| CN103635071B (en) * | 2012-08-27 | 2016-08-31 | 雅马哈发动机株式会社 | The selecting apparatus of belt feeder, surface mounting apparatus and belt feeder |
| CN110856436A (en) * | 2019-11-12 | 2020-02-28 | 浙江华企正邦自动化科技有限公司 | Vertical chip mounter |
| CN114340372A (en) * | 2020-09-29 | 2022-04-12 | 松下知识产权经营株式会社 | Parts feeder and parts mounting apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100482061C (en) | 2009-04-22 |
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