CN1756475B - Surface mounting machine - Google Patents

Surface mounting machine Download PDF

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Publication number
CN1756475B
CN1756475B CN 200510107071 CN200510107071A CN1756475B CN 1756475 B CN1756475 B CN 1756475B CN 200510107071 CN200510107071 CN 200510107071 CN 200510107071 A CN200510107071 A CN 200510107071A CN 1756475 B CN1756475 B CN 1756475B
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China
Prior art keywords
pallet
conveyance
surface mounting
pedestal
mounting apparatus
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CN 200510107071
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Chinese (zh)
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CN1756475A (en
Inventor
大川直尚
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Yamaha Motor Co Ltd
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Yamaha Motor Co Ltd
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Priority claimed from JP2004285048A external-priority patent/JP2006100583A/en
Priority claimed from JP2004285058A external-priority patent/JP4414315B2/en
Priority claimed from JP2004285033A external-priority patent/JP2006100582A/en
Priority claimed from JP2004291372A external-priority patent/JP2006108292A/en
Application filed by Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Publication of CN1756475A publication Critical patent/CN1756475A/en
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Publication of CN1756475B publication Critical patent/CN1756475B/en
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Abstract

The invention provides a miniature surface mount machine allocated with a tray-type component feedway. One side of a transporting belt (3) is allocated with a tray-type feeding device (6, 7); the tray-type feeding device (6, 7) consists of a tray (32) used for holding a mount component, a tray holing device (31), a tray in-out device (33) and a lifting device (34). The tray holding device (31) is provided with a plurality of tray holding parts which are used for holding and supporting the tray (32) and can freely go in and go out in the horizontal direction cross with the transporting direction of the transporting belt (3). The tray in-out device (33) leads the tray (32) to do horizontal shift between the holding position in the tray holding parts and the component adsorption position outside the tray holding device (31). The lifting device (34) leads the tray in-out device (33) to lift and descend through a ball screw apparatus which takes the axial direction as the vertical direction. From the overhead view, the tray in-out device (33) and the lifting device (34) are arranged at the inner side of the base (2) of the surface mount machine (1).

Description

Surface mounting apparatus
Technical field
The present invention relates to a kind of surface mounting apparatus with tray feeder.
Background technology
In the past, as employed tray feeder on the surface mounting apparatus, as the spy open flat 3-133802 communique or spy open flat 7-336089 communique disclosed, proposed to be provided with and be used to load the charging tray of installing with a plurality of elements resettlement section of element and accommodate the pallet of plate-like, and on above-below direction, supported the component supplying apparatus of a plurality of pallets side by side.
Tray feeder shown in the Te Kaiping 3-133802 communique has the pallet accommodation apparatus, accommodates, supports above-mentioned pallet side by side and can free in and out in the horizontal direction on above-below direction.This pallet accommodation apparatus forms with the surface mounting apparatus split, is arranged side by side on the position of surface mounting apparatus side.
The pallet access apparatus that above-mentioned pallet can be passed in and out one by one is set on this pallet accommodation apparatus, and the lowering or hoisting gear that makes this pallet access apparatus lifting is set.This lowering or hoisting gear makes the pallet of being pulled out by the pallet access apparatus rise with the pallet access apparatus, and remains on the extreme higher position (element absorption position).That is,, can utilize the pallet access apparatus that pallet is pulled out in the pallet accommodation apparatus, and move it the extreme higher position by lowering or hoisting gear if adopt this pallet accommodation apparatus.
In the upper end of this pallet accommodation apparatus the absorption type transfer device is set, is used for installing with element (hereinafter this element being called the charging tray element) from the pallet taking-up that moves to the extreme higher position as mentioned above.The interior charging tray element of charging tray that this absorption type transfer device will be contained on the pallet is transferred on the slide block of the slidingtype mobile device adjacent with this pallet accommodation apparatus.This slidingtype mobile device makes above-mentioned slide block near the moving range of the suction head that moves to surface mounting apparatus the pallet accommodation apparatus.
Pallet feeder shown in the Te Kaiping 7-336089 communique is by the pallet accommodation apparatus that is used for housing tray and pallet is constituted with respect to the pallet access apparatus of this pallet accommodation apparatus level turnover, is installed on the pedestal of mounted on surface machine rear end detachable.
Above-mentioned pallet accommodation apparatus comprises: bin keeps side by side on above-below direction and supports pallet, and can free in and out in the horizontal direction; With the lowering or hoisting gear that is used to make the lifting in the pallet accommodation apparatus of this bin.That is, this spy opens the tray feeder shown in the flat 7-33689 communique and moves up and down in the pallet accommodation apparatus, so that make pallet be in the height identical with the pallet access apparatus.
Above-mentioned lowering or hoisting gear adopts by making the ballscrew shaft that extends along the vertical direction rotate the structure that makes the bin lifting.This ballscrew shaft is arranged on a side of pallet accommodation apparatus, and the motor that drives this ballscrew shaft is arranged on the outside of bin receiving space of a side of pallet accommodation apparatus.
Above-mentioned pallet access apparatus is positioned at the inboard of mobile range of the suction head of surface mounting apparatus, the charging tray element on the pallet of pulling out from the pallet accommodation apparatus directly can be adsorbed onto on the suction nozzle of suction head.And the state that is arranged at the part (device anterior end) with above-mentioned pallet access apparatus and pallet accommodation apparatus on the pedestal of surface mounting apparatus is installed in above-mentioned pallet access apparatus and pallet accommodation apparatus on the pedestal.The rear portion with lowering or hoisting gear in the above-mentioned pallet resettlement section is rearward outstanding from pedestal.
Because above-mentioned spy opens the adjacent setting with surface mounting apparatus of the tray feeder shown in the flat 3-133802 communique, thereby need to take the very problem of large space on the surface mounting apparatus of this tray feeder of existence use.
Open as described in the flat 7-336089 communique as the spy, can be loaded into by a part on the surface mounting apparatus and head it off to a certain extent tray feeder.
Yet, from the top, the part of the pallet accommodation apparatus of this tray feeder is outstanding to the rear of pedestal, and, at the sidepiece of the described rear of this pallet accommodation apparatus ledge, the drive motor of lowering or hoisting gear is set highlightedly to the side of pallet accommodation apparatus.Therefore, owing to be projected into beyond the pedestal from overlooking the rear portion of seeing above-mentioned pallet accommodation apparatus and above-mentioned drive motor, so its degree of miniaturization is also limited.
In addition, also have following problems: because the pallet accommodation apparatus is loaded on the pedestal of surface mounting apparatus, institute is so that be equipped with the height increase of the surface mounting apparatus of this pallet accommodation apparatus, and the moving range of suction head is subjected to the restriction of pallet accommodation apparatus.
And above-mentioned spy opens the surface mounting apparatus shown in the flat 3-133802 communique, laterally is arranged side by side two tray feeders along pedestal.So, when by the absorption type transfer device from the pallet access apparatus of one of them tray feeder during feed element, can in another tray feeder, carry out the discrepancy action of pallet and replacing etc., therefore, can efficiently supply with the charging tray element to surface mounting apparatus.
But, in the surface mounting apparatus of the tray feeder that is equipped with said structure, might not efficiently the charging tray element be installed on the printed circuit board (PCB).This is because the structure that its adopts is: by the slidingtype carrying device with charging tray element conveyance absorption position (element is installed the adsorbable position of suction nozzle with suction head) in the surface mounting apparatus from tray feeder.That is, this be because, since utilize the slidingtype carrying device charging tray element is positioned on the assigned position during in, can't utilize said suction nozzle absorption charging tray element, thereby have to make the suction head standby therebetween.
Summary of the invention
The present invention proposes in order to address the above problem just, and its purpose is to provide a kind of small-sized surface mounting apparatus that is equipped with the disc type component supplying apparatus.
In addition, another object of the present invention is to by using a plurality of tray feeders that the charging tray element can be installed more efficiently.
To achieve these goals, the surface mounting apparatus that the present invention relates to, its pedestal are provided with the conveyance band of conveyance printed circuit board (PCB) and will install with element by suction head transfers to element transfer device on the described printed circuit board (PCB) from the component supplying apparatus that is positioned at this conveyance band side; Wherein, described component supplying apparatus comprises, pallet is used to support be mounted with the charging tray of using element is installed; Pallet accommodation apparatus, above-below direction are provided with and a plurality ofly are used to accommodate this pallet, and support the pallet resettlement section that this pallet can free in and out on the horizontal direction of intersecting with the conveyance direction of conveyance band; The pallet access apparatus, make described pallet in being contained in the pallet resettlement section collecting position and the element absorption position outside the pallet accommodation apparatus between move horizontally; And lowering or hoisting gear, by the ballscrew shaft that has the side that is positioned at this pallet access apparatus and extend along above-below direction and the ball screw framework of drive motor, make the pallet access apparatus carry out lifting; Described pallet access apparatus and lowering or hoisting gear from overlooking, are arranged on the inboard of described pedestal.
If adopt the present invention, can in pedestal, be formed for making the space of pallet and one lifting of pallet access apparatus, and the ball screw framework of lowering or hoisting gear can be installed on the pedestal.Therefore, owing to the pallet access apparatus and the lowering or hoisting gear of disc type component supplying apparatus can be built in the pedestal, so the small-sized surface mounting apparatus that is equipped with the disc type component supplying apparatus can be provided.
In this surface mounting apparatus, each component supplying apparatus is used in preferably above-mentioned pallet access apparatus and the above-mentioned lowering or hoisting gear above-mentioned pallet access apparatus is carried out the drive unit that lifting drives, and from overlooking, gives adjacent setting on the conveyance direction of conveyance band.Like this, pallet access apparatus and lowering or hoisting gear are arranged on the conveyance direction of conveyance band, thereby can make surface mounting apparatus miniaturization on the direction of intersecting with the conveyance direction of conveyance band.
Preferably above-mentioned drive motor is arranged on the pedestal top.Be convenient to utilize the clearing on the pedestal to carry out the maintenance and the replacing of above-mentioned drive motor like this.
The upper end that preferably makes ballscrew shaft projects upwards from the upper surface of said base, so that drive above-mentioned upper end by above-mentioned drive motor.And, preferably drive motor is connected on the upper end of ballscrew shaft of lowering or hoisting gear, and in the mode that is positioned on the same axis electromagnetic brake is being set on the above-mentioned upper end by flexible gearing.Be convenient to utilize the clearing on the pedestal that above-mentioned parts are keeped in repair like this.
Perhaps, also can electromagnetic brake and motor be set, be located on the same axis in the upper end of the ballscrew shaft of lowering or hoisting gear.So, owing to upper end, drive motor and the electromagnetic brake of ballscrew shaft is arranged on the exposed uncovered positions of top of pedestal, institute is so that utilize unlimited space, open ground on the pedestal that upper end, drive motor and the electromagnetic brake etc. of above-mentioned ballscrew shaft are keeped in repair.And, owing to flexible gearing is not set having on the drive system of ballscrew shaft,, be easier to keep in repair so compare with device with this flexible gearing.
The upper end of above-mentioned drive unit is positioned at and the roughly the same height of above-mentioned conveyance band height or following.Like this, in the time of can avoiding suction nozzle to move and the upper end of drive unit interferes, thereby can improve installation effectiveness by the mobility that improves suction nozzle.
In surface mounting apparatus of the present invention, be preferably in the cap that forms the shape of surrounding the pedestal top is set on the said base.So, because pallet access apparatus and lowering or hoisting gear all are positioned at the pedestal inboard, so see that from overlooking can overlap the ground compactness with pedestal forms sound insulation, the dustproof cap of using.Therefore a kind of small-sized surface mounting apparatus that is equipped with disc type component supplying apparatus and sound insulation, the cap that prevents dust can be provided.
Under the situation that cap is set as mentioned above, preferably constitute cap, and preferably above-mentioned switching parts are arranged on the position corresponding with pallet access apparatus and lowering or hoisting gear by the fixed part and the switching parts that are installed in the upper end of this fixed part free to rotate that are fixed on the pedestal.Owing to can open and close parts the top of pallet access apparatus and lowering or hoisting gear is exposed by opening like this, thus can sound insulation, dustproof, and be convenient to carry out the maintenance of above-mentioned two devices.
Open and close parts and be preferably formed as the shape that the section that is made of cross wall and longitudinal wall is the L type, the leading section of above-mentioned cross wall is installed on the fixed part of cap, make it free to rotate, and make the pivoting end of above-mentioned longitudinal wall form and support with the upper surface similar shapes of pallet accommodation apparatus.Like this, by opening the switching parts pallet access apparatus and lowering or hoisting gear are exposed to horizontal direction and this both direction of top.Therefore, owing to can make fully opening wide of above-mentioned two devices on every side by opening switching parts, thereby can keep sound insulation, dustproof effect well, and be easier to carry out the maintenance of above-mentioned two devices.
Be preferably in the extension that forms on the longitudinal wall that opens and closes parts towards the pedestal top that is positioned at pallet accommodation apparatus side.Like this, owing to the upper surface of the pedestal that is positioned at pallet accommodation apparatus side is exposed by opening the switching parts, so when keeping in repair, can broaden as the space of working space.
The surface mounting apparatus that the present invention relates to, its pedestal are provided with the conveyance band of conveyance printed circuit board (PCB) and will install with element by suction head transfers to element transfer device on the described printed circuit board (PCB) from the component supplying apparatus that is positioned at this conveyance band side; Wherein, described component supplying apparatus comprises, pallet is used to support be mounted with the charging tray of using element is installed; Pallet accommodation apparatus, above-below direction are provided with a plurality ofly accommodates above-mentioned pallet, and supports this pallet can free in and out it on the horizontal direction of intersecting with the conveyance direction of conveyance band pallet resettlement section; The pallet access apparatus, have can with the engaging part of described pallet disassembled and assembled freely, and can by this engaging part make described pallet in being contained in described pallet resettlement section the pallet collecting position and the element absorption position outside the pallet accommodation apparatus between move horizontally; And lowering or hoisting gear, be used to make this pallet access apparatus to carry out lifting; Described element absorption position, from overlooking, be set in the moving range of described suction head, and be positioned at the described pallet of described element absorption position, can stop at the position that is in below, suction head position by lowering or hoisting gear, and when described pallet is passed in and out with respect to undermost described pallet resettlement section, make described engaging part, be positioned at the position of comparing with the height that is lower than described conveyance band below being on the above-below direction by lowering or hoisting gear.
If adopt the present invention, can utilize element to install and the charging tray element directly be transferred on the printed circuit board (PCB) from the pallet that is positioned on the pallet access apparatus with suction head.Therefore, with adopt transfer device and carrying device by special use that the charging tray element is installed from the conveyance of disc type component supplying apparatus to element with the device of the structure of the adsorbable position of suction nozzle of suction head to compare, owing to do not need these transfer devices and carrying device, thereby can reduce cost.And, owing to see the said elements absorption position be set in the moving range of above-mentioned suction head from overlooking, and can the above-mentioned pallet that be in the said elements absorption position be stopped on the position of below, suction head position, so can utilize suction head to adsorb the installation element that is loaded in the charging tray by lowering or hoisting gear.In addition, when above-mentioned pallet when undermost above-mentioned pallet resettlement section is passed in and out be on the above-below direction on the position of base height below, owing to can utilize lowering or hoisting gear that above-mentioned engaging part is located at so can make the surface mounting apparatus miniaturization.
In this surface mounting apparatus, preferably above-mentioned pallet resettlement section gives relative fixed with respect to said base on above-below direction.Like this, owing to can utilize the parts of the pedestal skeleton that constitutes surface mounting apparatus to form the framework of disc type component supplying apparatus, thereby can reduce the shared space of disc type component supplying apparatus is set.Therefore, if adopt the present invention, can make the relative miniaturization of the surface mounting apparatus that is provided with the disc type component supplying apparatus.
In this structure, when described pallet is passed in and out with respect to the above-mentioned pallet resettlement section of the superiors, above-mentioned engaging part, preferably by lowering or hoisting gear be positioned on the above-below direction with the roughly the same height of above-mentioned conveyance band height on.Like this, because a plurality of pallets resettlement section that is provided with along the vertical direction all is in below the height of conveyance band, thereby can form more small-sized surface mounting apparatus.
Preferably lowering or hoisting gear is arranged on a side of the conveyance direction of conveyance band, and makes the upper end of lowering or hoisting gear be lower than the suction head position of element transfer device with respect to the pallet access apparatus.Can avoid the upper end of lowering or hoisting gear and suction head to interfere like this.Therefore, can reduce the height of the movable part of the element transfer device that comprises suction head, thereby a kind of more small-sized surface mounting apparatus is provided.
See that from overlooking a part that preferably makes the pallet accommodation apparatus is positioned at the inboard of the supporting seat of conveyance band, and make the upper end of this pallet accommodation apparatus be lower than the suction head position of element transfer device.Can avoid the upper end of pallet accommodation apparatus and suction head to interfere like this.Therefore, can reduce the height of the movable part of the element transfer device that comprises suction head, thereby a kind of more small-sized surface mounting apparatus is provided.
The surface mounting apparatus that the present invention relates to, its pedestal are provided with the conveyance band of conveyance printed circuit board (PCB) and will install with element by suction head transfers to element transfer device on the described printed circuit board (PCB) from the component supplying apparatus that is positioned at this conveyance band side; Wherein, described component supplying apparatus comprises, pallet is used to support be mounted with the charging tray of using element is installed; Pallet accommodation apparatus, above-below direction are provided with and a plurality ofly are used to accommodate this pallet, and support this pallet can free in and out it on the horizontal direction of intersecting with the conveyance direction of conveyance band pallet resettlement section; The pallet access apparatus, have can with the engaging part of described pallet disassembled and assembled freely, and can by this engaging part make described pallet in being contained in described pallet resettlement section the pallet collecting position and the element absorption position outside the pallet accommodation apparatus between move horizontally; And lowering or hoisting gear, be used to make this pallet access apparatus to carry out lifting; Described element absorption position, from overlooking, be set in the moving range of described suction head, and the described pallet that is positioned at described element absorption position can stop at the position that is in below, suction head position by lowering or hoisting gear, at least one side of described pedestal can be provided with a plurality of described component supplying apparatus abreast with the conveyance direction of conveyance band.
If adopt the present invention, can utilize element to install and the charging tray element directly be transferred on the printed circuit board (PCB) from the pallet that is positioned on the pallet access apparatus with suction head.Therefore, during utilizing element to install with the charging tray element of the disc type component supplying apparatus of suction nozzle absorption of suction head in, can make pallet on another disc type component supplying apparatus, come in and go out action or replacing pallet.Therefore, use the suction head standby because element is installed, and can not be subjected to the restriction of element absorption order, so can improve the installation effectiveness of charging tray element.
In this surface mounting apparatus, be used in the above-mentioned pallet access apparatus of component supplying apparatus and the above-mentioned lowering or hoisting gear above-mentioned pallet access apparatus is carried out the drive unit that lifting drives, from overlooking, preferably on the conveyance direction of conveyance band, give adjacent setting.Like this, the part of the pallet access apparatus in vertical view, the space of preparing to be used to make pallet access apparatus self carry out lifting on short transverse gets final product, thereby can make the surface mounting apparatus miniaturization.
In a pair of component supplying apparatus adjacent one another are, the drive unit of component supplying apparatus of upstream side that is positioned at the conveyance direction of conveyance band is preferably disposed on above-mentioned upstream side, and the drive unit of another component supplying apparatus is preferably disposed on the downstream of the conveyance direction of conveyance band.Like this because the adjacent pallet resettlement section that is provided with, so that carry out the replacing operation of pallet.
The upper end of drive unit is positioned on the position of or its below roughly the same with the height of conveyance band.Like this, the time can not interfere, thereby suction head moves and is not subjected to restrict, so can improve installation effectiveness with drive unit because suction head moves to the pallet top.
The head unit that a plurality of suction head are installed can be moved freely on the direction of intersecting on the conveyance direction of above-mentioned conveyance band and with the conveyance direction of this conveyance band.Like this, can be respectively the installation of two component feeding portions be adsorbed on two suction head with element at least.In addition, because when the pallet of two component supplying apparatus is adjacent, amount of movement in the time of can reducing head unit and adsorb, and, when the upper end that makes drive unit be positioned at the roughly the same position of the height of above-mentioned conveyance band on the time, can eliminate the interference with two drive units, thereby suction head is moved be not subjected to restrict, improved installation effectiveness.
Description of drawings
Fig. 1 is the vertical view of the surface mounting apparatus that the present invention relates to.
Fig. 2 is the front view of the surface mounting apparatus that the present invention relates to.
Fig. 3 is the end view of the surface mounting apparatus that the present invention relates to.
Fig. 4 is the cutaway view along the IV-IV line among Fig. 1.
Fig. 5 is the stereogram of the whole surface mounting apparatus that the present invention relates to of expression.
Fig. 6 is the vertical view of tray feeder.
Fig. 7 is the stereogram of tray feeder.
Fig. 8 is the stereogram that amplifies the upper end of expression lowering or hoisting gear.
Fig. 9 is the stereogram of pallet access apparatus.
Figure 10 is the stereogram when observing surface mounting apparatus from the back side.
Figure 11 is the figure that the cap when opening and closing parts is closed in expression.
Figure 12 is the figure that the cap when opening and closing parts is opened in expression.
Figure 13 is the stereogram that the cap when opening and closing parts is closed in expression.
Figure 14 is the stereogram that the cap when opening and closing parts is opened in expression.
Figure 15 is the stereogram of tray rack.
Figure 16 is the figure of expression brake bar action.
Figure 17 is the stereogram of another execution mode of expression tray feeder.
Figure 18 is the stereogram that amplifies the upper end of expression lowering or hoisting gear.
Embodiment
The 1st execution mode
Utilize Fig. 1～Figure 14 to describe an execution mode of the surface mounting apparatus that the present invention relates in detail below.
Fig. 1 is the vertical view of the surface mounting apparatus that the present invention relates to; Fig. 2 is its front view; Fig. 3 is its end view; Fig. 4 is the cutaway view along the IV-IV line among Fig. 1; Fig. 5 is the stereogram of the whole surface mounting apparatus that the present invention relates to of expression; Fig. 6 is the vertical view of tray feeder; Fig. 7 is the stereogram of tray feeder; Fig. 8 is the stereogram that amplifies the upper end of expression lowering or hoisting gear; Fig. 9 is the stereogram of pallet access apparatus; Figure 10 is the stereogram when observing surface mounting apparatus from the back side.
Figure 11 is the figure that the cap when opening and closing parts is closed in expression, Figure 11 (A) sees Rotate 180 ° so that the position of device rear side is in positive vertical view from overlooking, Figure 11 (B) is the front view when the device rear side is observed, and the figure shows Rotate 180 ° so that the situation of pedestal bottom when being in the below.Figure 11 (C) is the end view when the upstream side of conveyance band is observed.Figure 12 is the figure that the cap when opening and closing parts is opened in expression, Figure 12 (A) sees Rotate 180 ° so that the vertical view of the position of device rear side when being in the front from overlooking, Figure 12 (B) is the front view when the device rear side is observed, and the figure shows Rotate 180 ° so that the situation of pedestal bottom when being positioned at the below.Figure 12 (C) is the end view when the upstream side of conveyance band is observed.Figure 13 is the stereogram that the cap when opening and closing parts is closed in expression.Figure 14 is the stereogram that the cap when opening and closing parts is opened in expression.
Figure 15 is the stereogram of tray rack, and Figure 16 is the figure of expression brake bar action, the state that brake bar is mentioned in Figure 16 (A) expression, and the state of accommodating of Figure 16 (B) expression brake bar, the state of pallet is pulled out in Figure 16 (C) expression.Figure 16 (D) is the figure of height of the inlet top edge of expression pallet brake apparatus and pallet resettlement section, the state when Figure 16 (E) expression is inserted the pallet accommodation apparatus with bin.
In above-mentioned accompanying drawing, the surface mounting apparatus that label 1 expression present embodiment relates to.This surface mounting apparatus 1 is provided with conveyance band 3, element transfer device 4, component recognition with video camera 5 etc. on pedestal 2, utilize element transfer device 4 will install with element (not shown) on the tray feeder 6,7 that is arranged in both sides (Fig. 1 is the upper and lower) and tape feeder 8,9 are transferred to printed circuit board (PCB) P by 3 conveyances of above-mentioned conveyance band.In the present embodiment, printed circuit board (PCB) P is gone into from the oral instructions of importing into that are positioned at Fig. 1 right side by conveyance band 3, after the installation exercise zone at the substantial middle position that is positioned at conveyance band 3 had been installed with element, the portion of spreading out of on the left of being arranged in Fig. 1 transferred to the device of next operation.
In the present embodiment, will utilize the horizontal direction (being left and right directions among Fig. 1) of above-mentioned conveyance band 3 conveyance printed circuit board (PCB) P to be called X-direction, the direction that will intersect vertically with above-mentioned X-direction on horizontal plane (being above-below direction among Fig. 1) be called Y direction.In addition, in the present embodiment, the downside among Fig. 1 is called the device front side, the upside among Fig. 1 is called the device rear side.
In above-mentioned tape feeder 8,9, a plurality of tape feeders (not shown) have been installed on X-direction side by side, intermittently extract out to contain and install with the paper tape of element and feed element successively.This tape feeder is installed in to be located at being used on the pedestal 2 mounting panel 10 of loader is installed, and can carry out dismounting.
As shown in Figure 1, above-mentioned conveyance band 3 is made of conveyance band main body 11 that is positioned at the device front side and the conveyance band main body 12 that is positioned at the device rear side.Above-mentioned conveyance band main body 11,12 has the conveyance band (not shown) that is made of the endless belt respectively.Above-mentioned conveyance band is driven by not shown conveyance band drive unit, and advances synchronously with one another.As Fig. 2, Fig. 3 and shown in Figure 5, the height setting of the conveyance face L of this conveyance band 3 conveyance printed circuit board (PCB) P is for only exceeding the height of regulation than the upper surface 2a of pedestal 2.
The conveyance band main body 12 of the device rear side of present embodiment can be by the interval between the conveyance band main body 11 of not shown width modifier change and device front side.
As Fig. 1～shown in Figure 5, said elements transfer device 4 has: a pair of Y- axis framework 21,21 that extends to Y direction at the two ends of the X-direction of pedestal 2, be supported on the above-mentioned Y-axis framework 21 and can and be supported on this X-axis frame 22 and the head unit 23 that can move freely on X-direction etc. at the X-axis frame 22 that moves freely on the Y direction.Head unit 23 can move freely on X-direction and this both direction of Y direction.
As shown in Figures 2 and 3, above-mentioned Y-axis framework 21 projects upwards from the upper surface 2a of pedestal 2, and the position of the upper surface of this framework (the conveyance face of X-axis framework 22) is higher than the conveyance face L of conveyance band 3.
Above-mentioned X-axis framework 22, and links to each other with drive unit with the X-axis framework of not shown ball screw type at above-mentioned two Y-axis frameworks 21 mode each other horizontal-extending on X-direction with crossbearer.This drive unit comprises: the ballscrew shaft that is located on the side Y-axis framework 21 and can freely rotates, make the servomotor of this ballscrew shaft rotation and screw togather with above-mentioned ballscrew shaft and be installed in nut part on the X-axis framework 22 etc.
Head unit 23 adopts following formation: be provided with a plurality of suction head 25 that front end has the suction nozzle 24 of element absorption usefulness, utilize above-mentioned suction head 25 from following tray feeder 6,7 or tape feeder 8,9 absorption and taking-up installation element during installation elements, be loaded on the printed circuit board (PCB) P with after video camera 5 tops by component recognition.
This head unit 23 is supported on the end of device front side of X-axis framework 22, can come and go on X-direction with drive unit (not shown) by the head unit that is located at the ball screw type on the X-axis framework 22 to move.
This drive unit comprises: the ballscrew shaft that is supported on the X-axis framework 22 and can freely rotates, be connected the servomotor of this ballscrew shaft one end and screw togather with ballscrew shaft and be installed in nut part on the head unit 23 etc.
Said elements identification is taken adsorbed installation element on the suction nozzle 24 with video camera 5 from the below, detect installation with the having or not of element, correct errors, absorption position and angle etc.
As Fig. 4, Figure 6 and Figure 7, above-mentioned tray feeder 6,7 comprises: be installed in pallet accommodation apparatus 31 on the end of device rear side of pedestal 2, be housed in pallet 32 in this pallet accommodation apparatus 31, be arranged on the pallet access apparatus 33 in 31 the place aheads, above-mentioned pallet resettlement section and make lowering or hoisting gear 34 of these pallet access apparatus 33 liftings etc.Constitute said component supplying apparatus among the present invention by this tray feeder 6,7.
Surface mounting apparatus 1 in the present embodiment has been installed two tray feeders 6,7 side by side on X-direction.Hereinafter the tray feeder 6 that is positioned at the conveyance direction upstream side of conveyance band 3 in the above-mentioned tray feeder 6,7 is called the 1st tray feeder 6, another tray feeder 7 is called the 2nd tray feeder 7.
As shown in Figure 6 and Figure 7, above-mentioned pallet 32 forms the dish type of opening wide upward, is loading the pallet 35 of plate-like, and the inside of this pallet 35 is arranged regularly on X-direction and Y direction and a plurality of electronic components are set are accommodated the zone.From overlooking, the pallet 32 of present embodiment forms the length rectangle longer than the length of Y direction of X-direction.In addition, the end upper process setting in the device front side of this pallet 32 engages with following pallet access apparatus 33 is stuck sheet 36.
Though do not illustrate, contain a plurality of charging tray elements (install and use element) in the zone respectively accommodating of above-mentioned charging tray 35, by the next door above-mentioned a plurality of charging tray element is not contacted each other.The suction nozzle 24 of said elements transfer device 4 is housed in the charging tray element in the zone of accommodating of the X-direction position of regulation of this pallet 35 and Y direction position when therefore, installing from top absorption.
Above-mentioned pallet accommodation apparatus 31 forms the end of device front sides and the open ended box-shaped of device rear side, installs in the mode of formed recess 37 (with reference to Fig. 4) on the end of the device rear side that inserts said base 2 from behind.Above-mentioned recess 37 is positioned at the end of the device rear side of pedestal 2, and is unlimited with the rear upward at the central portion of X-direction.
Pallet accommodation apparatus 31 in the present embodiment is installed on the pedestal 2, and make the height of its upper end and conveyance band 3 conveyance face L height about equally.
As shown in Figure 4, be provided with the dividing plate 38 of level in the inside of pallet accommodation apparatus 31, thereby form upside reception room 39 and downside reception room 40.Above-mentioned upside reception room 39 and downside reception room 40 support and are used to accommodate the tray rack 41 (with reference to Fig. 4) of above-mentioned pallet 32, and can free in and out from the rear.In addition, Fig. 4 expresses the only state of loading tray frame 41 in upside reception room 39.The pallet accommodation apparatus 31 of the tray feeder 6,7 of present embodiment loads a plurality of pallets 32 with the state that is housed on the tray rack 41.
As shown in figure 15, above-mentioned tray rack 41 forms the end of device front side and the open ended box-shaped of device rear side.On the inner surface of these tray rack 41 both sides, be provided with the guide rail 42 that on above-below direction, keeps a plurality of pallets 32 side by side.This guide rail 42 constitutes the pallet resettlement section of accommodating and supporting pallet 32 and can free in and out on the horizontal direction of intersecting with the conveyance direction of being located at the conveyance band 3 on the pedestal 2.Above-mentioned pallet 32 being housed in the tray rack 41 at the state that is bearing on this guide rail 42 (moving freely) on the direction of intersecting with the conveyance direction of conveyance band 3 with moving freely on the fore-and-aft direction.
On the end of the device front side of tray rack 41, be provided with the brake bar 43 that pallet 32 is deviate to the front side when being used to prevent transportation tray frame 41.As shown in figure 15, this brake bar 43 is made of the clava longer than the height on tray rack 41 above-below directions, remains in order to prevent it from departing from the upper support member 44 on the upper board 41a that is located at tray rack 41.
This maintenance structure has adopted following structure: the supporting pin 45 of above-mentioned upper support member 44 is entrenched among the through hole 43a that runs through brake bar 43.Above-mentioned through hole 43a crosses brake bar 43 on the direction vertical with length direction, and its opening shape is along the length direction extension of brake bar 43.Above-mentioned supporting pin 45 is screwed on the above-mentioned upper support member 44 from oblique the place ahead.
Under the state that erects shown in Figure 15, above-mentioned brake bar 43 can limit it by the upper end that makes supporting pin 45 be entrenched in through hole 43a and move downwards.Under this state, the bottom of brake bar 43 is entrenched in the lower support member 46 of tray rack 41.
Erect under the state above-mentioned, the upper end of brake bar 43 is outstanding upward from tray rack 41.That is, shown in Figure 16 (D), under the state that brake bar 43 is erected, the upper end-face edge butt of the upper end protuberance 43b of brake bar 43 and the insertion mouth 31a of pallet accommodation apparatus 31 can't be inserted into tray rack 41 in the above-mentioned insertion mouth 31a.In addition, under this state, the pallet 32 that is housed in the tray rack 41 is deviate to the device front side by limiting it with brake bar 43 butts.Can prevent that like this pallet 32 slippage from tray rack 41 is come out when transportation tray frame 41.
Shown in Figure 16 (A),, can make above-mentioned supporting pin 45 be positioned at the bottom of through hole 43a by under this state, being pulled upwardly brake bar 45.In addition, shown in Figure 16 (B),, brake bar 43 can be loaded on the above-mentioned upper board 41a by under this state, being laterally to fall brake bar 43 in the center with supporting pin 45.Be provided for the fixedly fastening sheet 47 of the leading section of brake bar 43 at upper board 41a upper process, by brake bar 43 being fixed on this fastening sheet 47 brake bar 43 can being fixed on the upper board 41a.
As mentioned above, shown in Figure 16 (E), by being fallen, brake bar 43 was housed on the upper board 41a, tray rack 41 can be inserted in the insertion mouth 31a of pallet accommodation apparatus 31, and shown in Figure 16 (C), pallet 32 can be pulled out to the device front side in tray rack 41.
As Figure 10～shown in Figure 12,, on each reception room, all be provided for opening and closing the lid 51 of the insertion mouth 31a of above-mentioned upside reception room 39 and downside reception room 40 in the end of the device rear side of above-mentioned pallet accommodation apparatus 31.
As shown in Figure 4, in the above-mentioned recess 37 of the pedestal 2 in above-mentioned pallet accommodation apparatus 31 the place aheads, be provided with the pallet access apparatus 33 that supports by following lowering or hoisting gear 34, be used for pulling out or make it to turn back in the tray rack 41 from above-mentioned tray rack 41 on pallet 32.As shown in Figure 1, from overlooking the inboard of the mobile range of seeing the head unit 23 that makes this pallet access apparatus 33 be positioned at said elements transfer device 4.
As Fig. 7 and shown in Figure 9, this pallet access apparatus 33 comprises: the support of supporting by following lowering or hoisting gear 34 with framework 61, along Y direction be arranged on with extending this support with the guide rail on the framework 61 62, be supported on this guide rail 62 also the slide block 63 that can move freely along Y direction, be used to drive the drive unit 64 of this slide block 63 etc.
Shown in the schematic configuration of Fig. 7, above-mentioned support from device front side (being armrest limit one side in the figure), forms the コ font of upward opening with framework 61.As shown in Figure 9, support the both ends of the X-direction of using framework 61,, be provided for the support component 65 that supports pallet 32 and can be free to slide in the upper end of the sidewall 61a that extends along the vertical direction at this.
As shown in Figure 9, the device rear end at above-mentioned slide block 63 is provided for above-mentioned pallet 32 is engaged to the above-mentioned a pair of engaging part 66,66 that is stuck on the sheet 36.Above-mentioned engaging part 66 has the hook 66a that sees the コ font of opening wide to the engaging part 66 of opposite side from overlooking, and can be supported on the above-mentioned slide block 63 with moving freely on the X-direction, and link to each other with cylinder 67 on being arranged on slide block 63.
Though also not shown, this cylinder 67 has piston rod from the outwards outstanding structure in the two ends of cylinder main body.Above-mentioned engaging part 66 is installed on the above-mentioned piston rod of this cylinder 67.That is, these engaging parts 66,66 can adopt following structure: the engaging mode that expansion pattern that hook 66a interval each other broadens and hook 66a interval each other narrow down.
Above-mentioned hook 66a is fastened on above-mentioned being stuck on the sheet 36 on the pallet 32 in the mode from sandwich.Promptly, make engaging part 66 form above-mentioned expansion pattern, slide block 63 is moved to pallet 32 1 sides (device rear side), be stuck sheet 36 and under the state between two engaging parts 66, engaging part 66 be set at above-mentioned engaging mode making, be stuck sheet 36 and be engaged between two engaging parts 66 thereby make.
The above-mentioned drive unit 64 that is used for driving sliding block 63 is made of with the drive motor on the belt pulley 69 71 with the driving that belt 68 links to each other with being connected with this transmission with belt 70 by driving with belt 68 transmission that two ends are fixed on the slide block 63.If adopt this drive unit 64, the rotation of drive motor 71 passes to transmission with belt 68 via driving with belt pulley 69 from driving with belt 70, makes slide block 63 mobile on guide rail 62 by this transmission with mobile (rotation) of belt 68.
Promptly, as shown in Figure 9, for the slide block 63 that makes the device front end that is positioned at guide rail 62 moves back to pallet accommodation apparatus 31 1 rear flank, utilize drive motor 71 to drive, make to drive and rotate, transmission is rotated to counter clockwise direction with belt 68 with the counter clockwise direction of belt pulley 69 in Fig. 9.In addition, being stuck under the state that sheet 36 engages of the engaging part 66 of slide block 63 and pallet 32, utilize drive motor 71 that above-mentioned driving is rotated to clockwise direction with belt pulley 69, make slide block 63 side shifting before device, pallet 32 is pulled out to the device front side horizontal on above-mentioned support component 65 thereupon.That is, pallet 32 can be to move horizontally between collecting position on the guide rail 42 time and the element absorption position when moving to beyond the pallet accommodation apparatus 31 by pallet access apparatus 33 in the pallet resettlement section in being contained in pallet accommodation apparatus 31.
As Fig. 4, Fig. 7 and shown in Figure 8, the lowering or hoisting gear 34 that is used to support above-mentioned pallet access apparatus 33 is made of following each several part: in the above-mentioned recess 37 of pedestal 2 along the madial wall 37a of this recess 37 ballscrew shaft 72 that extends of direction up and down, the direction linear axes 73 of extending up and down in the both sides (Y direction both sides) of this ballscrew shaft 72,73, be arranged on the middle support arm 74 of above-mentioned spindle unit, by having the drive motor 76 that driving uses the transmission mechanism of belt 75 to link to each other with the upper end of above-mentioned ballscrew shaft 72, be arranged on the electromagnetic brake 77 etc. of the upper end-face edge portion of ballscrew shaft 72.
The ballscrew shaft 72 of this lowering or hoisting gear 34 and drive motor 76 etc. have constituted drive unit.With respect to pallet access apparatus 33, this drive unit is arranged on the device outside.Promptly, ballscrew shaft 72, drive motor 76, driving by this lowering or hoisting gear 34 are carried out the drive unit that lifting drives with the device conduct that belt 75 and electromagnetic brake 77 constitute to pallet access apparatus 33, but in lowering or hoisting gear 34, except from the support arm 74 of supported underneath pallet access apparatus 33, see that from overlooking above-mentioned drive unit is with respect on the adjacent conveyance direction that is arranged on conveyance band 3 of pallet access apparatus.In other words, the lowering or hoisting gear 34 of the 1st tray feeder 6 is positioned at the upstream side of the conveyance direction of conveyance band 3 on X-direction, and the lowering or hoisting gear 34 of the 2nd tray feeder 7 is positioned at the downstream of the conveyance direction of conveyance band 3 on X-direction.
As Fig. 4, Fig. 7 and shown in Figure 8, above-mentioned ballscrew shaft 72 and linear axes 73 are supported by the supporting seat 78 on the upper surface 2a that is installed in pedestal 2.As Fig. 7, Fig. 8 and shown in Figure 10, this supporting seat 78 is by forming a door shape from the upwardly extending front side of the upper surface of pedestal 2 main body 78a and rear side main body 78b and the supporting bracket 78c of crossbearer between above-mentioned two main body 78a, 78b upper end.
Above-mentioned ballscrew shaft 72 is supported on this supporting seat 78 and also can freely rotates; The linear axes 73,73 that is positioned at these ballscrew shaft 72 both sides is fixed on the supporting seat 78.In addition, as shown in Figure 4, the bottom of these spindle units is connected to each other by connector 79 each other.The lower end of ballscrew shaft 72 can be supported on this connector 79 with rotating freely.
As Fig. 4 and shown in Figure 8, the support arm of being located in the middle of these spindle units 74 is made of following each several part: the nut part 80 that is screwed with above-mentioned ballscrew shaft 72, be entrenched on the above-mentioned linear axes 73 and the parts of bearings 81 that can move freely, make the tabular link 82 that above-mentioned nut part 80 and two parts of bearings 81 be bonded to each other and two support arm main bodys 83,83 of extending to X-direction from this link 82.Above-mentioned support arm main body 83 is arranged on the Y direction with interval, and upside has been installed the support framework 61 of pallet access apparatus 33.That is, this support arm 74 is supporting pallet access apparatus 33 by support arm main body 83 with cantilevered fashion.
The upper end of above-mentioned ballscrew shaft 72 projects upwards from above-mentioned supporting seat 78.Driving belt pulley 84 and the electromagnetic brake 77 of above-mentioned driving with belt 75 is provided for reeling on this protuberance.Be positioned at and recess 37 opposite sides with respect to supporting seat 78 with the drive motor 76 that ballscrew shaft 72 links to each other with belt 75 by above-mentioned driving, the state that points to above-below direction with axis direction is installed on the supporting seat 78.That is, be used to connect the driving belt 75 of ballscrew shaft 72 and drive motor 76, court and pallet access apparatus 33 opposite sides are extended from ballscrew shaft 72 along X-direction.
Above-mentioned electromagnetic brake 77 is to utilize the weight that puts on the support arm 74 to stop the device of ballscrew shaft 72 idle running, can come the brake off state by energising, and become on-position by outage.As shown in Figure 4, the height of the conveyance face L of the height of the upper surface of the electromagnetic brake in the present embodiment 77 and conveyance band 3 is roughly the same.So, make above-mentioned driving be positioned at the top of the upper surface 2a of pedestal 2 with belt 75, drive motor 76, electromagnetic brake 77, thus the operability when improving maintenance care.In addition, above-mentioned driving is arranged on the upside of above-mentioned supporting seat 78 with belt 75 and electromagnetic brake 77, thus the operability can further improve maintenance care the time.
Though sometimes cause support arm 74 to be difficult to smooth lifting on the ballscrew shaft 72 because dust etc. are attached to, but because ballscrew shaft 72 is housed in the pedestal 2, so can make difficult being attached to from the side on the ballscrew shaft such as dust, thereby can make the smooth lifting of pallet access apparatus that is supported on the support arm 74.
In the lowering or hoisting gear 34 that adopts this kind structure, the rotation of drive motor 76 is delivered on the ballscrew shaft 72 with belt 75 via driving, and makes support arm 74 rise or descend along linear axes 73 by ballscrew shaft 72 is rotated.In addition, these lowering or hoisting gear 34 following formations: rise at support arm 74 under the state of extreme higher position, the upper end of pallet access apparatus 33 be positioned at the roughly the same height of the conveyance face L of conveyance band 3 on, and be lower than the suction head position of element transfer device 4.As shown in Figure 4, said here suction head position is meant the height of the lower end of the suction nozzle 24 when suction head 25 moves.
As Figure 11～shown in Figure 14, the surface mounting apparatus 1 in the present embodiment has and is used to cover the cap 91 that is positioned at the above-mentioned various devices on the pedestal 2.
This cap 91 is the noises (sound insulation) that are used to reduce surface mounting apparatus 1 and prevents the device of (preventing dust) in the dust access to plant, covers the taking-up of the electronic component at least portion (not shown) of conveyance band 3, element transfer device 4, tray feeder 6,7 and tape feeder 8,9 on the pedestal 2 from fore-and-aft direction, left and right directions and the top of device.
Particularly, as Figure 11～shown in Figure 14, this cap 91 forms the rectangular shape at the no end that is made of wall components, in other words, forms the box-shaped of opening wide downwards.This cap 91 comprises: make up the fixed part 91A that a plurality of parts form and be installed in this fixed part 91A and go up and switching parts 91B free to rotate.
Said fixing parts 91A is made of following each several part: 4 angle lids 92～95 are positioned on the position corresponding with 4 angles of pedestal 2; The 1st central lid 96 is located in the above-mentioned angle lid 92～95 between two angles lids 92,93 of the upstream side of the conveyance direction of conveyance band 3; The 2nd central lid 97 is set in place between two angles lids 94,95 in the downstream of the conveyance direction of conveyance band 3; And the 3rd central lid 98, be arranged between above-mentioned the 1st central lid 96 and the 2nd central lid 97.Above-mentioned switching parts 91B is made of following each several part: be set in place two angles that (are upside among Figure 11 (A), Figure 12 (A)) in the device front side and cover 92,94 front side switching parts 99, and the rear side that is set in place between two angle lids 93,95 of device rear side opens and closes parts 100.
In addition, see that from overlooking this cap 91 forms the shape identical with pedestal 2.And the back side 101 of this cap 91 shown in Figure 11 (A) end face of rear side (device) roughly is in same plane, the rear surface of constituent apparatus with the above-mentioned lid 51 of tray feeder 6,7.In other words, from overlooking, the shape of this cap 91 is little to the outstanding degree of horizontal direction from the pedestal 2 that is equipped with tray feeder 6,7.
As shown in figure 14, the cap 91 of present embodiment forms on the both ends of X-direction and imports mouth 102 into and spread out of mouth 103.The upstream-side-end of conveyance band 3 with import into mouthfuls 102 relatively, the end of downstream side of conveyance band 3 is with to spread out of mouth 103 relative.
In above-mentioned each parts that constitute cap 91, will be fixed on the pedestal 2 except that the parts following front side opens and closes parts 99 and rear side switching parts 100 by not shown framework, move to prevent it.
The front side opens and closes parts 99 and rear side opens and closes parts 100, by being that the hinge 104 (with reference to Figure 11 (A), Figure 12 (B), Figure 13) of pivot center is connected the cross wall 105 on above-mentioned the 3rd central lid 98 and is arranged on longitudinal wall 106 on the pivoting end of this cross wall 10 that to form sections be the shape of L font with the X-direction free to rotately, as Figure 13 or shown in Figure 14 be that fulcrum opens and closes with above-mentioned hinge 104.Above-mentioned front side opens and closes parts 99 and is arranged on the position corresponding with the tape feeder 8,9 of this surface mounting apparatus 1.By opening these front side switching parts 99 tape feeder 8,9 is exposed to outside the device.
Above-mentioned rear side opens and closes parts 100 and is arranged on the position corresponding with tray feeder 6,7.Utilize this rear side to open and close the switching parts that parts 100 constitute among the present invention.As Figure 11 (B) and shown in Figure 13, this rear side opens and closes the leading section (pivoting end) of the above-mentioned longitudinal wall 106 of parts 100, opens and closes under the state of parts 100 upper surface butt with pallet accommodation apparatus 31 closing rear side.That is, the upper end of tray feeder 6,7 is exposed to outside the device by opening rear side switching parts.
In surface mounting apparatus 1 with above-mentioned tray feeder 6,7, for the charging tray element is transferred on the printed circuit board (PCB) P from tray feeder 6,7, at first utilize lowering or hoisting gear 34 that pallet access apparatus 33 is risen or drop to the desired height identical with pallet 32.And, the engaging part 66 of pallet access apparatus 33 is arranged to expansion pattern, slide block 63 is moved to the device rear side, the parts 36 that are stuck of pallet 32 are engaged on the engaging part 66.Then, make above-mentioned slide block 63 side shifting before device, make this pallet access apparatus 33 rise to the extreme higher position by lowering or hoisting gear 34.
Under this state, make the head unit 23 of element transfer device 4 move to the top of pallet access apparatus 33, make the charging tray element on the suction nozzle 24 absorption pallets 32.Make head unit 23 move to the top of the printed circuit board (PCB) P on the conveyance band 3 by the top of video camera 5 behind the absorptive element.Afterwards, utilize this head unit 23, the charging tray element is corrected to it at shooting results and highly and under the state of angle transfers on the regulation installation site of printed circuit board (PCB) P according to above-mentioned video camera 5.
When the charging tray element on the pallet 32 all shifts when finishing, or when the charging tray element of another pallet 32 is installed, the pallet 32 that is on the pallet access apparatus 33 is returned in the pallet accommodation apparatus 31, then new pallet 32 is pulled out on the pallet access apparatus 33.And, under the situation that the charging tray element in tray rack 41 is all used up, this tray rack 41 can be replaced by another tray rack 41 that is filled with the charging tray element.
Can be when the charging tray element of another tray feeders of suction head 25 absorption, carry out the discrepancy action of pallet 32 of this tray feeder 6,7 and the replacing operation of tray rack 41.
Therefore, in the surface mounting apparatus 1 of present embodiment, in the process tomb that utilizes the element installation with the charging tray element in the tray feeder in two tray feeders 6,7 of suction nozzle 24 absorption of suction head 25, can make another tray feeder carry out the discrepancy action of pallet 32, or change the tray rack 41 of another tray feeder.
Therefore,, needn't make suction head 25 standbies till be ready to the charging tray element, can utilize this suction head 25 that the charging tray element is directly transferred on the printed circuit board (PCB) P from tray feeder 6,7 if adopt this surface mounting apparatus 1.Consequently, adopt the surface mounting apparatus of present embodiment that the charging tray element can efficiently be installed.
Adopt the surface mounting apparatus 1 of present embodiment, because from overlooking the inboard of seeing that pallet access apparatus 33 and lowering or hoisting gear 34 with tray feeder 6,7 are arranged on pedestal 2, so can in pedestal 2, be formed for making the space (space recess 37 in) of pallet 32, the ball screw framework that is made of the ballscrew shaft 72 of lowering or hoisting gear 34 and drive motor 76 etc. can be assembled in the pedestal 2 with 33 1 liftings of pallet access apparatus.
Therefore, the surface mounting apparatus 1 of present embodiment, owing to be built in the pedestal 2 from overlooking pallet access apparatus 33 and the lowering or hoisting gear 34 seen tray feeder 6,7, so, compare still more miniaturization with existing apparatus although be provided with tray feeder 6,7.
In the surface mounting apparatus 1 of present embodiment, with respect to pallet access apparatus 33, the ballscrew shaft 72 of lowering or hoisting gear 34 is arranged on a side of the conveyance direction of conveyance band 3, with respect to above-mentioned ballscrew shaft 72 drive motor 76 is arranged on a side of above-mentioned conveyance direction, links to each other with ballscrew shaft 72 by having the transmission mechanism that drives with belt 75.
Therefore, because this surface mounting apparatus 1 is arranged side by side pallet access apparatus 33 and lowering or hoisting gear 34 on the conveyance direction (X-direction) of conveyance band 3, although, still can on the Y direction of intersecting with the conveyance direction of conveyance band 3, realize miniaturization so these devices are built in the pedestal 2.
If adopt present embodiment, be arranged on the top of the upper surface 2a of pedestal 2 owing to will be used to drive the drive unit that rotates the upper end of the ballscrew shaft 72 of lowering or hoisting gear 34 and be drive motor 76 and drive with belt 75, thereby can improve these drive motors 76, drive the maintenance inspection performance of using belt 75.In addition, also be arranged on the top of the upper surface 2a of pedestal 2 owing to will constitute the electromagnetic brake 77 of drive unit, thereby can improve the maintenance inspection performance of electromagnetic brake 77.
Owing to make the upper end of drive unit, particularly, make the upper end of highly maximum electromagnetic brake 77 be positioned at the roughly the same height of the height of above-mentioned conveyance band 3 on, thereby when suction head 25 moves to pallet 32 tops, owing to eliminated interference with electromagnetic brake 77 upper ends, so moving of suction head 25 do not restricted, and improved installation effectiveness.
The surface mounting apparatus 1 of present embodiment, above-mentioned pallet access apparatus 33 is seen in the moving range that is in above-mentioned suction head 25 from overlooking, above-mentioned pallet access apparatus 33 is positioned under the state topmost, the position that arrives the pallet 32 on this pallet access apparatus 33 is positioned at the suction head position that is lower than element transfer device 4, therefore, usually can make above-mentioned suction head 25 move to the top of above-mentioned pallet access apparatus 33, be in topmost at above-mentioned pallet access apparatus 33, be that pallet 32 is under the state with the roughly the same height of conveyance band 3, the suction head 25 that can utilize element that usefulness is installed is directly transferred to the charging tray element on the printed circuit board (PCB) P from being on the pallet 32 on the pallet access apparatus 33.
Therefore, the surface mounting apparatus 1 of present embodiment, because not needing to be used for that the charging tray element is transferred to element from tray feeder 6,7 installs with the special-purpose transfer device of the adsorbable position of the suction nozzle 24 of suction head 25 and carrying device etc., thereby compare with the existing surface mounting apparatus with this kind carrying device, its structure is more simple.And because above-mentioned pallet resettlement section, promptly guide rail 42 can not move up at upper and lower with respect to said base 2, thereby pallet accommodation apparatus 31 can not project upwards.
When above-mentioned pallet 32 is passed in and out with respect to above-mentioned guide rail 42 inside of the superiors, by lowering or hoisting gear 34 make engaging part 66 be positioned at conveyance band 3 on the roughly the same height of the height on the above-below direction.Thus, it is minimum that the posture of pallet accommodation apparatus 31 is dropped to, thereby make surface mounting apparatus 1 miniaturization.
When pallet 32 is passed in and out with respect to guide rail 42 inside of lower floor, can make above-mentioned pallet access apparatus 33 drop to the height and position of regulation by lowering or hoisting gear 34, before utilizing said suction nozzle 24 absorption charging tray elements, can make by lowering or hoisting gear 34 to be in pallet 32 and to pull out the above-mentioned pallet access apparatus 33 of state and rise to uppermost position.In addition, when above-mentioned pallet 32 is passed in and out with respect to above-mentioned guide rail 42 inside in middle level of regulation, also the pallet accommodation apparatus 31 that is fixed on the pedestal 2 can be set at, by lowering or hoisting gear 34 make engaging part 66 be positioned at conveyance band 3 on the roughly the same height of the height on the above-below direction.
In the case, when pallet 32 is passed in and out in the above-mentioned guide rail 42 on upper strata from the middle level of stipulating, sometimes must utilize lowering or hoisting gear 34 to make engaging part 66 be positioned at conveyance band 3 above the height on the above-below direction, sometimes must keep out of the way to prevent that above-mentioned suction head 25 from interfering with above-mentioned pallet access apparatus 33, but, still can make surface mounting apparatus 1 miniaturization even in this case when effective when reasons such as pedestal 2 internal cause ballscrew shafts can't obtain enough spaces.
The pallet accommodation apparatus 31 of present embodiment and lowering or hoisting gear 34 are assembled on the pedestal 2 of the skeleton that constitutes surface mounting apparatus 1, and this pedestal 2 can constitute framework.Therefore, do not need special use to make the parts of the framework of tray feeder.In addition, the surface mounting apparatus 1 of present embodiment can be formed the framework of tray feeder 6,7 as mentioned above by pedestal 2, so can reduce tray feeder 6,7 occupation space, realizes miniaturization.
If adopt present embodiment,, thereby can avoid above-mentioned stream oriented device and suction head 25 to interfere because the upper end of pallet resettlement section 31 and the height of the upper end of lowering or hoisting gear 34 be on the height identical with the conveyance face of conveyance band 3.Therefore, can reduce the height of the movable part (X-axis framework 22) of the element transfer device 4 that comprises suction head 25.
In the surface mounting apparatus 1 of present embodiment, the drive unit of lowering or hoisting gear 34 of the 1st tray feeder 6 that is positioned at the conveyance direction upstream side of conveyance band 3 in two tray feeders 6,7 is arranged on the above-mentioned upstream side of pallet access apparatus, and the drive unit of the lowering or hoisting gear 34 of another the 2nd tray feeder 7 is arranged on the downstream of the conveyance direction of the conveyance band of comparing with the pallet access apparatus 3.Therefore, this surface mounting apparatus 1 inserts lowering or hoisting gear 34,34 between the pallet access apparatus 33,33 of two tray feeders 6,7, thus can shorten with in a plurality of suction head 25 of head unit 23 not the suction head 25 of stick electronic components move to the distance of another pallet access apparatus 33 tops from the top of a pallet access apparatus 33.
Therefore, improved and set the degree of freedom of suction head 25 mobile routes, and can the pallet 32 from a pallet access apparatus 33, adsorb after the charging tray element, again absorption charging tray element the pallet 32 from another pallet access apparatus 33.
The surface mounting apparatus 1 of present embodiment, owing to the inboard that pallet access apparatus 33 and lowering or hoisting gear 34 with tray feeder 6,7 are arranged on pedestal 2, see that the cap 91 that overlaps with pedestal 2 covers the various devices of the surface mounting apparatus 1 on the pedestals 2, the pallet access apparatus 33 and the lowering or hoisting gear 34 of tray feeder 6,7 so can utilize from overlooking.
Therefore, although this surface mounting apparatus 1 adopts the structure that is covered the whole device that comprises tray feeder 6,7 by the sound insulation dust cap, still Miniaturizable.
The surface mounting apparatus 1 of present embodiment can make the pallet access apparatus 33 of tray feeder 6,7 and the top of lowering or hoisting gear 34 expose by opening rear side switching parts 100.Therefore, can be so that under the state of opening rear side switching parts 100, above-mentioned two devices 33,34 be keeped in repair.Owing to rear side opens and closes parts 100 is to form the parts that section is the L type by cross wall 105 and longitudinal wall 106, thereby by opening these rear side switching parts 100 pallet access apparatus 33 and lowering or hoisting gear 34 is exposed in the horizontal direction with on the both direction of top.Therefore, as long as the open ground on every side of above-mentioned two devices 33,34 is opened wide, so rear side switching parts 100 can not counteract when keeping in repair owing to opening rear side switching parts 100.
The surface mounting apparatus 1 of present embodiment, be provided with the not shown air cylinder device that mainly constitutes by cylinder and piston, one end of this air cylinder device opens and closes parts 99 with the front side respectively and opens and closes parts 100 with rear side and link to each other, the other end respectively with the 3rd central lid 98 or 92～95 in arbitrary angle cover and link to each other.In above-mentioned each air cylinder device, be built-in with compressed air, open and close the deadweight that parts 99 and rear side open and close parts 100, alleviate the load when opening and respectively the front side is opened and closed parts 99 and rear side and open and close parts 100 and remain on the fully open position respectively in order to overcome the front side.
The connection setting at each air cylinder device two ends can be set at,, open and close when parts 100 are in full close position and also can remain on the full close position by built-in gas-pressurized even open and close parts 99 and rear side in the front side by the connection setting at each airbag apparatus two ends.The surface mounting apparatus 1 of present embodiment, open and close parts 99 and rear side respectively in the front side and open and close on the upper surface 2a of parts 100 and pedestal 2 and the position that pallet accommodation apparatus 31 connects and be provided with magnet, open and close parts 100 and remain on the full close position respectively thereby the front side can be opened and closed parts 99 and rear side.
The flat shape of the peristome of cap 91 may not be a rectangle, also can adopt required forms such as circle as required.In addition, the top also may not be smooth, can adopt required forms such as cheese as required.
The 2nd execution mode
Tray feeder can adopt Figure 17 and structure shown in Figure 180.
Figure 17 is the stereogram of another execution mode of expression tray feeder, and Figure 18 is the stereogram that amplifies the upper end of expression lowering or hoisting gear.In these figure, use same label mark and suitable detailed with the identical or equivalent elements of above-mentioned Fig. 1～illustrated in fig. 16.
Figure 17 links to each other by the upper end of connector 191 with ballscrew shaft 72 with lowering or hoisting gear 34 shown in Figure 180, makes to be positioned on the same axis with drive motor 76.This drive motor 76 is housed in the housing 192, is fixed on the supporting seat 78 by this housing 192.In this housing 192, be provided for limiting the electromagnetic brake 77 that ballscrew shaft 72 rotates.This electromagnetic brake 77 is identical with employed electromagnetic brake in the 1st execution mode.
By such formation lowering or hoisting gear 34, can realize the miniaturization on the lowering or hoisting gear X-direction.
Be arranged on the same position from overlooking ballscrew shaft 72 and the drive motor 76 seen the lowering or hoisting gear 34 of present embodiment.
Therefore, because the surface mounting apparatus 1 of present embodiment is built in the part of tray feeder 6,7 in the pedestal 2, and taking up room that the ball screw framework that lowering or hoisting gear 34 is set is required is narrower, so compare more miniaturization with the surface mounting apparatus shown in the 1st kind of execution mode.In addition, because drive motor 76 is arranged on the top of ballscrew shaft 72, thereby can further improve the maintenance overhaul performance of drive motor 76.
In the surface mounting apparatus 1 of present embodiment, similarly, upper end, drive motor 76 and the electromagnetic brake 77 of ballscrew shaft 72 of the lowering or hoisting gear 34 of tray feeder 6,7 is set on the position of exposing above the pedestal 2.Therefore, the surface mounting apparatus 1 of present embodiment is convenient to utilize space that open ground on the pedestal 2 opens wide that the upper end of above-mentioned ballscrew shaft 72, drive motor 76, electromagnetic brake 77 etc. are keeped in repair.
The lowering or hoisting gear 34 of the surface mounting apparatus 1 of present embodiment is compared with the surface mounting apparatus shown in above-mentioned the 1st execution mode, owing in the drive system between ballscrew shaft 72 and drive motor 76 belt is not set, thereby be convenient to keep in repair.
Another execution mode
In addition, above-mentioned lowering or hoisting gear 34 for example also can be made of Pneumatic cylinder device, can make pallet access apparatus 33 and the highly roughly the same top position of conveyance band 3 and be in to come and go between the lower position below the conveyance band 3 and move, make the tray rack 41 can oscilaltion in pallet accommodation apparatus 31.Lowering or hoisting gears in the pallet accommodation apparatus 31 can make tray rack 41 stop at desired location on the above-below direction, for example ballscrew shaft can be supported on the pallet accommodation apparatus 31 and it can freely be rotated, the servomotor that is used to drive this ballscrew shaft can also be fixed, and the nut that will be entrenched on the ballscrew shaft is fixed to tray rack 41.
So, the turnover of pallet 32 on the guide rail 42 of tray rack 41, can make pallet access apparatus 33 with respect to the pallet 32 of undermost guide rail 42 is to implement after engaging part is in lower position, with respect to the pallet 32 for the guide rail 42 of other layers engaging part is on arbitrary position in lower position or the top position and implements.So also can suppress the overhang that pallet accommodation apparatus 31 makes progress with respect to pedestal 2 (the conveyance band 3 of saying so in more detail).
In the above-mentioned the 1st and the 2nd execution mode, though example the situation of tray feeder 6,7 only is set in a side of pedestal 2, the surface mounting apparatus that the present invention relates to also can be provided with tray feeder in the both sides of pedestal 2.

Claims (20)

1. surface mounting apparatus, it comprises: overlook and be tetragonal pedestal; The conveyance band is arranged on the described pedestal and along conveyance direction conveyance printed circuit board (PCB), and described conveyance direction is set to when overlooking the direction seen a limit of the regulation of described pedestal as X-direction the direction from a side of described X-direction to opposite side; With the element transfer device, will install with element by suction head and to transfer on the described printed circuit board (PCB) by the conveyance of described conveyance band,
This surface mounting apparatus is characterised in that, comprising:
Pallet is used to support the charging tray of the described installation of loading with element;
The pallet accommodation apparatus is seen and is disposed on the Y direction and described conveyance band position in opposite directions from overlooking, and accommodate a plurality of described pallets up and down, described Y direction and described X-direction quadrature with the state that can plug on described Y direction;
The pallet access apparatus, make described pallet in being contained in described pallet accommodation apparatus collecting position and outside the pallet accommodation apparatus and moving horizontally on the described Y direction and between the described conveyance band element absorption position in opposite directions; And
Lowering or hoisting gear is arranged on the X-direction with described pallet access apparatus, makes the pallet access apparatus carry out lifting by drive unit, and described drive unit has ballscrew shaft and the drive motor that extends along above-below direction;
Described element transfer device is transferred to described installation on the described printed circuit board (PCB) from the pallet that is drawn out to described element absorption position by described pallet access apparatus with element by suction head;
Described pedestal has formed from overlooking and has seen the recess of accommodating the Y direction inboard of described pedestal to the described lowering or hoisting gear of major general and described pallet access apparatus.
2. surface mounting apparatus as claimed in claim 1 is characterized in that:
The adjacent side by side setting on described X-direction of described drive unit and described pallet access apparatus.
3. surface mounting apparatus as claimed in claim 1 is characterized in that:
The described drive motor of described drive unit is arranged on the top of described pedestal.
4. surface mounting apparatus as claimed in claim 3 is characterized in that:
The upper end of the described ballscrew shaft of described lowering or hoisting gear projects upwards from the described recess of described pedestal, and this upper end is driven by described drive motor.
5. surface mounting apparatus as claimed in claim 4 is characterized in that:
Described drive motor is connected by the upper end of flexible gearing with the ballscrew shaft of described drive unit, and is provided with electromagnetic brake in described upper end in the mode that is positioned on the same axis.
6. surface mounting apparatus as claimed in claim 3 is characterized in that:
The upper end of the ballscrew shaft of described lowering or hoisting gear projects upwards from the described recess of described pedestal, be provided with the electromagnetic brake of the rotation of described drive motor and the described ballscrew shaft of prevention in the upper end of described ballscrew shaft, described drive motor and described electromagnetic brake are positioned on the same axis.
7. surface mounting apparatus as claimed in claim 2 is characterized in that:
The upper end of described drive unit is positioned at and the roughly the same height of the height of described conveyance band or following.
8. surface mounting apparatus as claimed in claim 1 is characterized in that:
Described pedestal is provided with the cap that forms the shape of surrounding the pedestal top.
9. surface mounting apparatus as claimed in claim 8 is characterized in that:
Above-mentioned cap comprises fixed part that is fixed on the pedestal and the switching parts that are installed in the fixed part upper end and can freely rotate,
Described switching parts are arranged on and pallet access apparatus and the corresponding position of lowering or hoisting gear.
10. surface mounting apparatus as claimed in claim 9 is characterized in that:
Described switching parts form the shape that the section that is made of cross wall and longitudinal wall is the L type, described cross wall with when closing, cover described recess above mode extend along horizontal direction, described longitudinal wall extends along vertical direction to cover above described fixed part and the recess mode of sidepiece when closing
The leading section of described cross wall is installed on the described fixed part free to rotately,
Bottom during the closing of described longitudinal wall when closing, form with the upper surface similar shapes of described pallet accommodation apparatus and with described upper surface butt.
11. a surface mounting apparatus, it comprises: overlook and be tetragonal pedestal; The conveyance band is arranged on the described pedestal and along conveyance direction conveyance printed circuit board (PCB), and described conveyance direction is set to when overlooking the direction seen a limit of the regulation of described pedestal as X-direction the direction from a side of described X-direction to opposite side; With the element transfer device, will install with element by suction head and to transfer on the described printed circuit board (PCB) by the conveyance of described conveyance band,
This surface mounting apparatus is characterised in that, is provided with component supplying apparatus, and this component supplying apparatus comprises:
Pallet is used to support the charging tray of the described installation of loading with element;
The pallet accommodation apparatus is seen and is disposed on the Y direction and described conveyance band position in opposite directions from overlooking, and accommodate a plurality of described pallets up and down, described Y direction and described X-direction quadrature with the state that can plug on described Y direction;
The pallet resettlement section, above-below direction is provided with a plurality ofly in the described pallet accommodation apparatus, and supports described pallet in the mode that can freely come in and go out;
The pallet access apparatus, make described pallet in being contained in described pallet accommodation apparatus collecting position and outside the pallet accommodation apparatus and moving horizontally on the described Y direction and between the described conveyance band element absorption position in opposite directions; And
Lowering or hoisting gear is arranged on the X-direction with described pallet access apparatus, makes the pallet access apparatus carry out lifting by drive unit, and described drive unit has ballscrew shaft and the drive motor that extends along above-below direction;
Described element absorption position from overlooking, is set in the moving range of described suction head,
Described pallet accommodation apparatus is provided with the described pallet resettlement section of lower layer side, so that described pallet can be come in and gone out on the position that is lower than described conveyance band;
Described lowering or hoisting gear when the described pallet in remaining in undermost described pallet resettlement section is come in and gone out, can make described pallet access apparatus drop to and compare the position that is in the below with the height of described conveyance band.
12. surface mounting apparatus as claimed in claim 11 is characterized in that:
Described pallet resettlement section gives relative fixed with respect to described pedestal on above-below direction.
13. surface mounting apparatus as claimed in claim 12 is characterized in that:
Described pallet access apparatus have when described pallet is passed in and out with respect to the described pallet resettlement section of the superiors be positioned on the above-below direction by lowering or hoisting gear with the roughly the same height of described conveyance band height on engaging part.
14. surface mounting apparatus as claimed in claim 11 is characterized in that:
Described lowering or hoisting gear with respect to the pallet access apparatus, is arranged on a side of the conveyance direction of conveyance band,
The upper end of described lowering or hoisting gear is lower than the position of the suction head of element transfer device.
15. surface mounting apparatus as claimed in claim 11 is characterized in that:
The part of described pallet accommodation apparatus from overlooking, is positioned at the inboard of the supporting seat of conveyance band,
The upper end of described pallet accommodation apparatus is lower than the position of the suction head of element transfer device.
16. surface mounting apparatus as claimed in claim 11 is characterized in that:
The described component supplying apparatus of many groups is set, mode so that the conveyance direction of the described pallet accommodation apparatus of each component supplying apparatus and described drive unit and described conveyance band is arranged in parallel is provided with each component supplying apparatus abreast at least one side of described conveyance band and the conveyance direction of this conveyance band.
17. surface mounting apparatus as claimed in claim 16 is characterized in that:
The adjacent side by side setting on described X-direction of described drive unit in each component supplying apparatus and described pallet access apparatus.
18. surface mounting apparatus as claimed in claim 17 is characterized in that:
Described multicomponent part feedway is along the conveyance direction of described conveyance band a pair of component supplying apparatus adjacent one another are, the pairing drive unit of component supplying apparatus that wherein is positioned at the conveyance direction upstream side of conveyance band is arranged on the described upstream side of the described pallet access apparatus of this component supplying apparatus, and the pairing drive unit of another component supplying apparatus is compared the conveyance direction downstream that is arranged on the conveyance band with the described pallet access apparatus of this another component supplying apparatus.
19. surface mounting apparatus as claimed in claim 17 is characterized in that:
The upper end of described drive unit is positioned at height or the position it below roughly the same with described conveyance band.
20. surface mounting apparatus as claimed in claim 16 is characterized in that:
On the direction of intersecting the head unit that is mounted with a plurality of suction head is set with moving freely in the conveyance direction of described conveyance band with the conveyance direction of this conveyance band.
CN 200510107071 2004-09-29 2005-09-29 Surface mounting machine Active CN1756475B (en)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
JP2004285048A JP2006100583A (en) 2004-09-29 2004-09-29 Surface mounting machine
JP2004-285033 2004-09-29
JP2004285058A JP4414315B2 (en) 2004-09-29 2004-09-29 Surface mount machine
JP2004285011A JP4414314B2 (en) 2004-09-29 2004-09-29 Surface mount machine
JP2004285058 2004-09-29
JP2004-285011 2004-09-29
JP2004285033A JP2006100582A (en) 2004-09-29 2004-09-29 Surface mounting machine
JP2004-285048 2004-09-29
JP2004-285058 2004-09-29
JP2004285048 2004-09-29
JP2004285033 2004-09-29
JP2004285011 2004-09-29
JP2004291372A JP2006108292A (en) 2004-10-04 2004-10-04 Surface mounting machine
JP2004-291372 2004-10-04
JP2004291372 2004-10-04

Publications (2)

Publication Number Publication Date
CN1756475A CN1756475A (en) 2006-04-05
CN1756475B true CN1756475B (en) 2010-06-02

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Publication number Priority date Publication date Assignee Title
US8276263B2 (en) * 2006-06-29 2012-10-02 Yamaha Hatsudoki Kabushiki Kaisha Surface mounting apparatus
JP5525956B2 (en) * 2010-07-30 2014-06-18 ヤマハ発動機株式会社 Mounting machine
KR101690711B1 (en) 2011-08-19 2016-12-29 한화테크윈 주식회사 Tray feeder and parts providing method using the same
CN102390177B (en) * 2011-11-25 2014-07-09 深圳市润天智数字设备股份有限公司 Maintenance device of printing unit of spray painting printer
JP5926115B2 (en) * 2012-05-17 2016-05-25 ヤマハ発動機株式会社 Storage device

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CN1014147B (en) * 1985-09-09 1991-10-02 沃纳·兰伯特公司 The improved method for preparing tetrafluorobenzoic aid

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JP2006100577A (en) 2006-04-13
JP4414314B2 (en) 2010-02-10

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