The content of the invention
Head is labelled it is an object of the invention to provide a kind of vacuum that can solve to produce air bubble problem in poster process.
To achieve the above object, vacuum of the invention labeling head includes support body, vacuum shaft, driver, vacuum (-tight) housing, elastic component
And inhale patch head.The support body is axially slidably located at along it for the vacuum shaft and relatively described support body has one to stretch out labeling position
And one retraction avoid position, the driver be used for drive the vacuum shaft in it is described stretch out labeling position with retraction avoid position
Between switch, the driver is installed on the support body, the first end of the vacuum shaft axial direction and the output of the driver
End connection;The vacuum (-tight) housing is placed on the vacuum shaft and slid along the axially opposing vacuum shaft of the vacuum shaft, described true
Sealing ring is provided between the inwall of sky cover and the outer wall of the vacuum shaft;The elastic component is connected to the support body and the vacuum
Between cover, elastic component perseverance, which has, drives the vacuum (-tight) housing to be avoided along the vacuum shaft axial slip to making to be located at the retraction
Second end of the vacuum shaft axial direction of position is recessed in the trend in the vacuum (-tight) housing;The patch head of inhaling is located in the vacuum (-tight) housing simultaneously
On the second end end for being installed on the vacuum shaft axial direction.
It is preferred that the inside of the vacuum shaft has the axial passage being interconnected and radial passage, the axial passage
The side wall of the first end of vacuum shaft axial direction is run through simultaneously in the second end end through vacuum shaft axial direction, the radial passage
A suction mark vacuum adapter is circumscribed with, the suction mark vacuum adapter is axially located the vacuum (-tight) housing and the support body along the vacuum shaft
Between.
It is preferred that group is connected to the interior vacuum adapter with being connected inside the vacuum (-tight) housing on the side wall of the vacuum (-tight) housing, it is described
Sealing ring connects when the vacuum shaft is located at the retraction avoidance position along the mark vacuum of inhaling that is axially located of the vacuum shaft
Between head and the interior vacuum adapter.
It is preferred that the sealing ring is in embeddedly to be sheathed on the outer wall of the vacuum shaft.
It is preferred that the vacuum labeling head of the present invention is also included along the axial arranged guide of the vacuum shaft, the guiding
The support body, elastic component and vacuum (-tight) housing are worn together by part successively.
It is preferred that the guide is in respectively equally spaced arrangement along the circumference of the vacuum shaft, each guide
One elastic component of correspondence.
It is preferred that the driver is linear electric motors or cylinder, the output end of the linear electric motors or cylinder is described in
Support body is connected with the vacuum shaft again.
It is preferred that the support body have with the vacuum shaft heteropleural arrange flange, the center line of the flange with it is described
The axial direction of vacuum shaft coincides.
It is preferred that the outline of the vacuum (-tight) housing is circle.
It is preferred that the elastic component is compression spring, the sealing ring is along the vacuum shaft axially in cloth one on the other
Put.
Compared with prior art, by the cooperation of vacuum shaft, vacuum (-tight) housing, driver and elastic component, mark is drawn inhaling patch head
During label, driven vacuum shaft to slide to stretching labeling position by driver and along the axially extended vacuum (-tight) housing of vacuum shaft, inhaled to inhale patch head
Take label to avoid space, then head absorption is labeled by inhaling;Then, driver drives vacuum shaft to slide to retraction and avoids position and edge again
Axially retracting in vacuum (-tight) housing for vacuum shaft, avoidance space is provided for the work of vacuum (-tight) housing;Then, effect of the vacuum (-tight) housing in elastic component
It is lower to be mutually close to the object of label, then to being close to after vacuum (-tight) housing vacuumize so that object is wrapped by vacuum (-tight) housing
The position enclosed is in vacuum environment, then driver now drives vacuum shaft toward labeling locality sliding is stretched out again, by sliding
Vacuum shaft drive inhale label head by the suction patch head drawn be affixed on the position that object is surrounded by vacuum (-tight) housing;Just due to inhaling
Label the position that object is surrounded by vacuum (-tight) housing that is affixed on that head drawn it, and the position before labelling because vacuum (-tight) housing is taken out
Vacuum and in vacuum environment so that it is in vacuum by the position that vacuum (-tight) housing is surrounded that suction, which labels head by the object that is affixed on of absorption,
Carried out under environment, the air bubble problem produced in poster process is solved, so as to improve labeling effect, it is ensured that labeling quality.
Embodiment
The invention will be further described with preferred embodiment below in conjunction with the accompanying drawings, but embodiments of the present invention are not limited
In this.
Fig. 1 and Fig. 4 is referred to, vacuum labeling first 100 of the invention includes support body 10, vacuum shaft 20, driver 30, vacuum
Cover 40, elastic component 60 and suction patch first 70.Vacuum shaft 20 is slidably located at support body 10 along its axial direction (double-head arrow is signified i.e. in figure), makes
Obtain to have in the relative sliding process of support body 10 of vacuum shaft 20 and stretch out labeling position and retraction avoidance position as shown in Figure 4;Specifically
Ground, as shown in figure 4, in the present embodiment, the inside of vacuum shaft 20 has the axial passage 21 being interconnected and radial passage 22,
The lower end of the vacuum shaft 20 in the second end end of the axial direction of vacuum shaft 20, such as Fig. 4 of axial passage 21, radial passage 22 is passed through
The side wall of the upper end of vacuum shaft 20 in the side wall of the first end of the axial direction of vacuum shaft 20, such as Fig. 4 is worn, and radial passage 22 is circumscribed with one
Mark vacuum adapter 23 is inhaled, mark vacuum adapter 23 is inhaled and is axially located along vacuum shaft 20 between vacuum (-tight) housing 40 and support body 10, it is true to prevent
Sky cover 40 causes interference in the slipping of relative vacuum axle 20 to suction mark vacuum adapter 23, is conducive to vacuum (-tight) housing 40 and vacuum shaft
The reliability of Relative sliding between 20, and be connected by mark vacuum adapter 23 is inhaled with extraneous vacuum generating device, to vacuum shaft
20 vacuumize and make it that inhaling patch first 70 produces vacuum, go to draw by vacuum so as to label first 70 by suction, but be not limited.
It will be appreciated that labeing first 70 due to suction can draw when being vacuumized to vacuum shaft 20, this is due to inhale patch first 70 to offer
The vacuum sucking holes (not shown) being connected with vacuum shaft 20, the vacuum sucking holes are connected with the axial passage 21 of vacuum shaft 20;
Wherein, the structure of first 70 vacuum sucking holes opened up is pasted for inhaling, is well-known in the art, therefore will not be repeated here.
As shown in Figures 3 and 4, driver 30 is installed on support body 10 and output end and the first end of the axial direction of vacuum shaft 20
(such as upper end) is connected, for driving vacuum shaft 20 to switch between stretching labeling position and retraction avoidance position;Specifically, at this
In embodiment, as shown in figure 4, it is preferred that driver 30 is cylinder, the output end of cylinder connects with vacuum shaft 20 again through support body 10
Connect, the stretching to match vacuum shaft 20 using the two of cylinder extreme position labels position and retraction avoids position, i.e. cylinder
The opposing cylinder 31 of piston rod 32 be in when stretching out extreme position, piston rod 32 now drives vacuum shaft 20 just to move to stretching patch
Cursor position, when the piston rod 32 of cylinder is in shrinkage limit position, piston rod 32 now drives vacuum shaft 20 just to move to back
Contracting avoids position;For example, as shown in figure 4, piston rod 32 along vacuum shaft 20 axially downwardly through support body 10 again with vacuum
Axle 20 is fixed together, and cylinder body 31 is assembled with two gas joints 33, but is not illustrated and be limited with this.
As shown in figure 4, vacuum (-tight) housing 40 is placed on vacuum shaft 20 and slid along the axially opposing vacuum shaft 20 of vacuum shaft 20, vacuum
Sealing ring 60 is provided between the inwall of cover 40 and the outer wall of vacuum shaft 20, with by sealing ring 60 to the inwall of vacuum (-tight) housing 40 with it is true
Sealed between the outer wall of empty axle 20 so that the inside of vacuum (-tight) housing 40 has the condition for forming out vacuum environment;Specifically, as schemed
Shown in 4, in the present embodiment, sealing ring 60 is along vacuum shaft 20 axially in arrangement one on the other, increase vacuum (-tight) housing 40 and vacuum
Sealing reliability between axle 20;Meanwhile, group is connected to the interior vacuum adapter connected with the inside of vacuum (-tight) housing 40 on the side wall of vacuum (-tight) housing 40
41, sealing ring 6 is axially located suction mark vacuum when vacuum shaft 20 is located at retraction avoidance position as shown in Figure 4 along vacuum shaft 20
Between joint 23 and interior vacuum adapter 41, to cause the inside for being located at the lower section of sealing ring 60 of vacuum (-tight) housing 40 in interior vacuum adapter 41
Vacuum environment can be produced when being connected with extraneous vacuum generating device, is located at so that inhaling patch first 70 produced by vacuum (-tight) housing 40
Work, but be not limited under vacuum environment;For example, the outline of vacuum (-tight) housing 40 is circle, in order to vacuum (-tight) housing 40
Manufacture, and vacuum (-tight) housing 40 is with being tagged being close to for object;And sealing ring 60 is in embeddedly be sheathed on vacuum shaft 20 outer
On wall, it is fitted together and is slid with vacuum shaft 20 with vacuum shaft 20, therefore further improves vacuum shaft 20 and vacuum (-tight) housing 40
Between sealing reliability, but do not illustrated and be limited with this.
As shown in Figures 1 to 4, elastic component 60 is connected between support body 10 and vacuum (-tight) housing 40 so that the perseverance of elastic component 60 has
Second end of the vacuum (-tight) housing 40 along the axial slip of vacuum shaft 20 to the axial direction of vacuum shaft 20 for making to be located at retraction avoidance position is driven (under i.e.
End) trend in vacuum (-tight) housing 40 is recessed in, i other words, under normal conditions, the lower end of the vacuum shaft 20 when avoiding position positioned at retraction
It is recessed in vacuum (-tight) housing 40, in order to which vacuum (-tight) housing 40 is first close in labelling with object;Specifically, to cause vacuum (-tight) housing
The reliability that 40 relative support bodys 10 slide, vacuum labeling first 100 of the invention is also included along the axial arranged guiding of vacuum shaft 20
Support body 10, elastic component 60 and vacuum (-tight) housing 40 are worn together by part 80, guide 80 successively, are preferably, the edge respectively of guide 80
The circumference of vacuum shaft 20 is in equally spaced arrangement, one elastic component 60 of each correspondence of guide 80 so that vacuum (-tight) housing 40 is obtained more
Good buffering effect, thus with object to be close to effect more preferable;For example, in the present embodiment, guide 80 is four, each
Central angle shared by guide 80 is respectively 90 degree, certainly, in other embodiments, and the quantity of guide 80 can also be 2,3
It is individual or 5, and guide 40 is axis structure;Meanwhile, the selection of elastic component 60 is compression spring, in order to which vacuum (-tight) housing 40 is logical
Cross the compression to compression spring and relative support body 10 slides, but do not illustrated and be limited with this.
As shown in figure 4, inhale patch first 70 be located in vacuum (-tight) housing 40 and be installed on the axial direction of vacuum shaft 20 the second end end it is (as follows
Hold end) on, therefore when vacuum generating device is vacuumized to vacuum shaft 20 so that inhale and produce vacuum at patch first 70 and have and draw
The ability of label;Specifically, in the present embodiment, support body 10 has the flange 11 arranged with the heteropleural of vacuum shaft 20, for example, flange
11 are located at the upper end of support body 10 and vacuum shaft 20 is located at the lower end of support body 10, but do not limit with this;And the center line of flange 11 with it is true
The axial direction of empty axle 20 coincides, to be easy to the vacuum labeling first 100 of the present invention to be installed in robot by flange 11, therefore not
As limit.
Compared with prior art, by the cooperation of vacuum shaft 20, vacuum (-tight) housing 40, driver 30 and elastic component 60, patch is being inhaled
First 70 when drawing label, by driver 30 drive vacuum shaft 20 slide to stretch out labeling position and along the axially extended true of vacuum shaft 20
Sky covers 40, labels first 70 absorption avoidance space to inhale, then label first 70 absorption by inhaling;Then, driver 30 drives very again
Empty axle 20 slides to retraction and avoids position and axially retracting in vacuum (-tight) housing 40 along vacuum shaft 20, provides and keeps away for the work of vacuum (-tight) housing 40
Allow space;Then, vacuum (-tight) housing 40 is mutually close in the presence of elastic component 60 with the object of label, then to being close to after it is true
Sky cover 40 is vacuumized so that the position that object is surrounded by vacuum (-tight) housing 40 is in vacuum environment, then driver 30 now
Drive vacuum shaft 20 toward labeling locality sliding is stretched out again, drive suction patch first 70 that the suction is pasted into first 70 by the vacuum shaft 20 slid
The label drawn is affixed on the position that object is surrounded by vacuum (-tight) housing 40;Just by inhale label first 70 it is drawn be affixed on
The position that object is surrounded by vacuum (-tight) housing 40, and the position before labelling because vacuum (-tight) housing is vacuumized and is in vacuum environment, make
It must inhale that to label first 70 by the object that is affixed on of absorption be to carry out under vacuum conditions by the position that vacuum (-tight) housing 40 is surrounded, solve
The air bubble problem produced in poster process, so as to improve labeling effect, it is ensured that labeling quality.
Above in association with most preferred embodiment, invention has been described, but the invention is not limited in implementation disclosed above
Example, and modification, equivalent combinations that the various essence according to the present invention are carried out should be covered.