CN207266403U - For removing the device of residual tin cream automatically - Google Patents
For removing the device of residual tin cream automatically Download PDFInfo
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- CN207266403U CN207266403U CN201720395631.7U CN201720395631U CN207266403U CN 207266403 U CN207266403 U CN 207266403U CN 201720395631 U CN201720395631 U CN 201720395631U CN 207266403 U CN207266403 U CN 207266403U
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- tin cream
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- solder paste
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Abstract
The utility model provides the device for removing residual tin cream automatically, including：Workbench, the workbench are used to carry solder paste can, and solder paste can accommodates tin cream nozzle, and the tin cream nozzle has tin cream jet hole, and the workbench has tin cream through hole, and the tin cream through hole is used to accommodate tin cream jet hole；The gas passage being arranged in the workbench, the gas passage includes gas access and gas vent, the gas access is connected with purge gas source, the gas vent is configured as blowing to gas into the tin cream jet hole being contained in tin cream through hole, so as to cut remaining tin cream at tin cream jet hole.
Description
Technical field
The automatic device for removing residual tin cream is the utility model is related to, more particularly in printed circuit board surface sealing label technology
The automatic device for removing residual tin cream of the middle stencil printer used.
Background technology
In printed circuit board surface sealing label technique, stencil printer (also known as stencil printer) is used to print solder paste onto
On electronic product (such as circuit board).Stencil printer generally comprises web plate (or template) plus tin cream device, scraping blade or scraper plate etc.
Mechanism.In printing, circuit board is automatically sent into stencil printer, and circuit board, which has, tin cream is deposited thereon face
Weld pad or certain other conducting surface pattern, and on circuit board have be known as datum mark one or more apertures or mark
Note, for as a reference point to first circuit board aliging with the web plate in stencil printer before circuit boards tin cream.
After circuit board aligns with the web plate in printing machine, web plate is skimmed over by mobile scraping blade or scraper plate to force solder paste through net
Hole in plate simultaneously falls on circuit boards to distribute soldering paste.After the print operation, circuit board is then sent to printed circuit board (PCB) and adds
Another work station in work production line.
Automatic tin cream adding device on stencil printer is used to canned or wound packages tin cream being automatically added to paste solder printing
On the halftone of machine, so as to replenish the tin cream being consumed in printing process.Solder paste can is usually inserted into the opening from solder paste can
Tin cream nozzle in solder paste can forms tin cream canister assembly, by the relative displacement of solder paste can and tin cream nozzle by tin cream from tin cream
Distribution (or extruding) comes out in tank.When using automatic tin cream adding device, tin cream canister assembly is installed on automatic tin cream adding first
On device so that solder paste can is opening down, the certain position (action abbreviation being then moved to tin cream canister assembly above web plate
For " positioning "), tin cream is then assigned on web plate to (action letter from solder paste can nozzle by the action such as extruding or extracting
Referred to as " add tin ").Positioning and add tin the two actions usually respectively by two independent driving parts (such as push rod cylinder, rotation
Turn cylinder, motor etc.) it is driven.Automatic tin cream adding device with two driving parts causes the machinery knot of stencil printer
Structure and control system are complicated, and occupied space is larger, with high costs.
In addition, after implementing the action such as extruding or extraction and being assigned to tin cream on web plate from solder paste can nozzle, tin cream
Jet hole usually has tin cream residual.For this reason, in existing automatic tin cream adding device, usually increase near tin cream jet hole
The pallet of one residual tin cream for receiving drippage, then carries out periodic cleaning to pallet.Due to need operating personnel to pallet into
Row cleaning, therefore cause the increase of personnel's maintenance cost.
Utility model content
The purpose of this utility model is to provide a kind of automatic device for removing residual tin cream, it can have with relatively low cost
Remaining tin cream at the automatic tin cream jet hole for removing automatic tin cream adding device in effect ground.
It is according to the present utility model to be used to remove the device for remaining tin cream automatically, including：Workbench, the workbench are used for
Solder paste can is carried, solder paste can accommodates tin cream nozzle, and the tin cream nozzle has tin cream jet hole, and the workbench leads to tin cream
Hole, the tin cream through hole are used to accommodate tin cream jet hole；The gas passage being arranged in the workbench, the gas passage bag
Gas access and gas vent are included, the gas access is connected with purge gas source, and the gas vent is configured as gas
The tin cream jet hole being contained in tin cream through hole is blowed to, so as to cut remaining tin cream at tin cream jet hole.
According to the above-mentioned automatic device for removing residual tin cream, the gas passage includes first passage part and second and leads to
Road part, first passage part connect the purge gas source, and second channel part connects the gas vent, and described second is logical
Road part is thinner than first passage part so that the flowing gas in first passage part is accelerated in second channel part.
According to the above-mentioned automatic device for removing residual tin cream, the gas vent is in flat, so that going out from gas
The cutting gas of mouth outflow is sharper.
According to the above-mentioned automatic device for removing residual tin cream, the gas is compressed gas.
It is relatively thin including the first thicker portion and second according to the above-mentioned automatic device for removing residual tin cream, the workbench
Part, the bottom surface of second thinner part are higher than the bottom surface of the first thicker portion, thus formed on the first thicker portion with
The step surface that the bottom surface of second thinner part is connected；Wherein, the tin cream through hole extends through second thinner
Point, the gas vent is arranged on the step surface.
It is adjacent with the tin cream through hole according to the above-mentioned automatic device for removing residual tin cream, the gas vent.
According to the above-mentioned automatic device for removing residual tin cream, the gas passage is arranged on first thicker portion
In.
According to the above-mentioned automatic device for removing residual tin cream, the workbench is fixedly attached to support device of work level
One end.
According to the above-mentioned automatic device for removing residual tin cream, the solder paste can includes housing, described in the housing receiving
Tin cream nozzle, the housing can be moved relative to tin cream nozzle, and the solder paste can is held with being squeezed by the tin cream nozzle
Be loaded on the workbench, the housing of the solder paste can by the pressing plate moved up and down above solder paste can be extruded and relative to
Tin cream nozzle moves, so that tin cream can be extruded from solder paste can.
According to the above-mentioned automatic device for removing residual tin cream, the automatic device for removing residual tin cream is configured as
Pressing plate stops that gas is blowed to the tin cream jet hole being contained in tin cream through hole by the gas vent after extruding solder paste can,
So as to cut remaining tin cream at tin cream jet hole.
The automatic device for removing residual tin cream of the utility model can be completed in automatic tin cream adding device plus the work of tin
Automatically using the air knife cutting remaining tin cream of tin cream jet hole after process, so as to relatively low cost-effectively automatic removing
Remaining tin cream at the tin cream jet hole of automatic tin cream adding device, and manual operation is no longer needed to remove residual tin cream.
Brief description of the drawings
When being read in conjunction with the figure described further below, these and other features, aspect and advantage of the utility model will
Become better understood, in whole attached drawing, identical reference numeral represents identical part, wherein：
Figure 1A and 1B respectively illustrates the stereogram and exploded view of the automatic tin cream adding device of the utility model；
Fig. 2A and 2B respectively illustrates the inner side and outer side stereogram of the movable plate of the utility model；
Fig. 3 A and 3B respectively illustrate the inner side and outer side stereogram of the pressing plate of the utility model；
Fig. 4 shows the sectional view of the line A-A along Figure 1A；
Fig. 5 (a)-(e) shows a work period of the automatic tin cream adding device of the utility model；
Fig. 6 shows the retainer of the utility model and the stereogram of height adjustment device；
Fig. 7 A and Fig. 7 B respectively illustrate the top perspective view and bottom perspective view of the solder paste can of the utility model；
Fig. 8 A show the sectional view of the utility model tin cream canister assembly；
Fig. 8 B show the stereogram of the nozzle in the utility model tin cream canister assembly；
Fig. 8 C show that the utility model supplies the sectional view of tin component (solder paste can holding component)；
Fig. 9 A show the stereogram of the workbench of the utility model；
Fig. 9 B are the phantoms at Fig. 1 workbench, and it illustrates the gas passage in workbench and tin cream through hole.
Embodiment
The various embodiments of the utility model are carried out below with reference to the attached drawing for forming this specification part
Description.Although it should be understood that in the utility model using represent direction term, such as "front", "rear", " on ",
" under ", "left", "right", " interior ", the various example features and element of the description such as " outer " the utility model, but use herein
The purpose of these terms merely for convenience of description, it is definite based on the example orientations shown in attached drawing.Since this practicality is new
Type the disclosed embodiments can be set according to different directions, thus these represent directions term be intended only as explanation without
It should regard as limiting.In the conceived case, the identical or similar reference numeral used in the utility model refers to
Identical component.
Figure 1A and 1B respectively illustrates the stereogram and exploded view of the automatic tin cream adding device 100 of the utility model.Such as figure
Shown in 1A and 1B, automatic tin cream adding device 100 includes support plate 130, push rod 110, pressing plate 120, movable plate 140 and workbench
150.Support plate 130 is installed on stencil printer, is used to support automatic tin cream adding device 100.Pressing plate 120 is located at push rod 110
End, push rod 110 can be driven and be moved up and down by driving device 160, so as to be moved up and down therewith with dynamic pressure plate 120.Phase
For moving up and down for push rod 110, support plate 130 is relatively-stationary.Workbench 150 is fixed in the inner side 141 of movable plate 140
On movable plate 140, such as it is fixed on the lower end 143 of movable plate 140.The outside 145 of movable plate 140, which can slide up and down to, to be set
Put in support plate 130, so that movable plate 140 can be slided up and down relative to support plate 130, thus drive on workbench 150
Rise and decline.When movable plate 140 slides down to lower dead center, movable plate 140 reaches its operating position.Workbench 150 is used for
Carrying solder paste can 700 and the tin cream nozzle 500 being contained in solder paste can 700, when movable plate 140 reaches its operating position,
Workbench 150 drops at the height needed for web plate (i.e. figure 5 illustrates the L lines) top of printing machine, realizes in height side
Upwards to the positioning of solder paste can 700.Pressing plate 120, which can slide up and down to, to be arranged on the inner side 141 of movable plate 140.
The driving device 160 of push rod 110 can be cylinder or motor etc., as support plate 130, driving device 160
It may be mounted on stencil printer, can also be installed in support plate 130, so that driving device 160 and support plate 130
Position keeps being relatively fixed.Installation of the driving device 160 in support plate 130 can be realized by being transversely mounted plate 170, horizontal
The hole 172 extended through for push rod 110 is equipped with to installing plate 170.
Still as shown in Figure 1A and 1B, between movable plate 140 and support plate 130 be equipped with lower part single direction locking mechanism (144,
134).Lower part single direction locking mechanism (144,134) defines the lower dead center that movable plate 140 moves up and down, and exists in movable plate 140
Movable plate 140 is locked during operating position, so that movable plate 140 cannot continue to move down.And movable plate 140 and pressing plate
Top locking mechanism (142,122) is equipped between 120, top locking mechanism (142,122) is configured such that the pressing plate
(120) it is mobile relative to movable plate (140) in the case of can not moved in the movable plate (140), also can be in movable plate
(140) it is jointly mobile with movable plate (22) when mobile.More specifically, top locking mechanism (142,122) is configured as：So that
Pressing plate 120 can drive the common movement of movable plate 140 that movable plate 140 is moved to operating position or moves away from working position
Put, and pressing plate 120 is moved up and down when movable plate 140 is locked in operating position relative to movable plate 140.It is logical
Cross and the top locking mechanism (142,122) and lower part single direction locking mechanism (144,134) are set, only using only a driving
Device 160 can be realized as tin cream canister assembly being moved to the location action of desired height above web plate, and by tin cream from tin
The action of on web plate plus tin is assigned in cream tank nozzle.
Top locking mechanism (142,122) and lower part single direction locking mechanism is discussed in detail with reference to Fig. 2A, 2B, 3A and 3B
(144,134)。
Fig. 2A and 2B respectively illustrates the inner side and outer side stereogram of the movable plate 140 of the utility model.Referring to Figure 1A,
1B, 2A and 2B, lower part single direction locking mechanism (144,134) include being arranged on the stop bead 134 of the lower end 131 of support plate 130
With the bead 144 of being obstructed in the outside 145 that is arranged on movable plate 140, the stop bead 134 is positioned at the bead 144 of being obstructed
Lower section, and have and form overlapping part with the bead 144 of being obstructed.Thus, when movable plate 140 relative to support plate 130 to
Be moved to movable plate 140 be obstructed bead 144 against support plate 130 stop bead 134 when, support plate 130 prevent movement
Plate 140 continues to move down, so that movable plate 140 is locked in operating position.
As an example, stop bead 134 and be obstructed bead 144 respectively by outside from support plate 130 and movable plate 140
The protuberance extended is formed.Bead of being obstructed 144 can be arranged on the middle part or upper end in the outside 145 of movable plate 140, by
Hinder the lifting distance that position of the bead 144 on the outside 145 of movable plate 140 depends on predetermined workbench 150.
Fig. 3 A and 3B respectively illustrate the inner side and outer side stereogram of the pressing plate 120 of the utility model.Referring to Figure 1A, 1B,
3A and 3B, top locking mechanism (142,122) include the trailing edge 122 being arranged on pressing plate 120 and are arranged on movable plate 140
Inner side 141 on stress bead 142, the trailing edge 122 is located at the lower section of the stress bead 142, and has and institute
State stress bead 142 and form overlapping part.Thus, leading for pressing plate 120 is resisted against by the stress bead 142 of movable plate 140
Draw on edge 122 so that movable plate 140 relative to support plate 130 downwardly and upwardly move can by the movement of pressing plate 120 Lai
Control.Also, when movable plate 140 is locked in its operating position by lower part single direction locking mechanism (144,134), pressing plate 120
Continue to move down the stress bead 142 that its trailing edge 122 can be caused to depart from movable plate 140, so as to discharge movable plate 140.
Afterwards, pressing plate 120 can be moved down relative to movable plate 140, to press solder paste can 700, perform the course of work for adding tin.
Specifically, driven and when moving down when push rod 110 is also not driven device 160, pressing plate 120 is by push rod 110
It is fixed on its initial position.At this time, since the stress bead 142 of movable plate 140 is resisted against the trailing edge 122 of pressing plate 120
On so that movable plate 140 is fixed by pressing plate 120.Only when driving device 160, which starts driving push rod 110, to be moved down,
Movable plate 140 could move downwardly together with pressing plate 120, until reaching its operating position.It is unidirectional by lower part in movable plate 140
When locking mechanism (144,134) is locked in its operating position, pressing plate 120 can be moved down relative to movable plate 140, to perform
Add the course of work of tin.After the course of work for adding tin terminates, when needing movable plate 140 moving away its operating position
When, by the way that pressing plate 120 is moved upwards up to its trailing edge 122 against the stress bead 142 of movable plate 140, pressing plate can be used
120 drive movable plates 140 move up.
As an example, the stress bead 142 is and described by being formed from 140 outwardly extending protuberance of movable plate
Trailing edge 122 is the inside edge of pressing plate 120.Stress bead 142 can be arranged on the upper end of the inner side 141 of movable plate 140.
As shown in Figure 1B, support plate 130 has the first sliding groove 136 extended on it between end 132 and lower end 131.Such as
Shown in Fig. 2 B, movable plate 140 has the first sliding block 146 being arranged on its outside 145.First sliding block 146 and first is slided
Groove 136 is engaged to be connected in support plate 130 so that movable plate 140 can be slided up and down to.As an example, the first sliding block
146 and the cross section of the first sliding groove 136 be trapezoidal, and their size matches, so that the first sliding block 146 can be from
136 upper and lower ends of the first sliding groove insertion the first sliding groove 136 in, and can be slided up and down along the first sliding groove 136 without
Loosened on the direction of the first sliding groove 136 from the first sliding groove 136.
As shown in Figure 2 A, there is the second sliding slot 147 extended on it between end and lower end on the inner side of movable plate 140 141.
As shown in Figure 3B, pressing plate 120 has the second sliding block 127 on its trailing edge 122.Second sliding block 127 and second is slided
Groove 147 is engaged to be connected on the inner side 141 of movable plate 140 so that pressing plate 120 can be slided up and down to.As an example,
The cross section of two sliding blocks 127 and the second sliding slot 147 is trapezoidal, and their size matches, so that the second sliding block
127 can be inserted into the second sliding slot 147 from 147 upper and lower ends of the second sliding slot, and can glide along on the second sliding slot 147
Move without being loosened on the direction of the second sliding slot 147 from the second sliding slot 147.
Fig. 4 shows the sectional view of the line A-A along Figure 1A.Fig. 4 shows the first sliding block 146, the first sliding groove 136, second
The cross section of 127 and second sliding slot 147 of sliding block, and show the second sliding block 127 and the second of movable plate 140 of pressing plate 120
Between sliding slot 147, and the matching relationship between the first sliding block 146 of movable plate 140 and the first sliding groove 136 of support plate 130.
As shown in Figure 3B, thickness of the pressing plate 120 at its trailing edge 122 is more than the thickness at 120 remaining position of pressing plate.This
It is in order to enable the thickness of the second sliding block 127 at trailing edge 122 can set larger, so that pressing plate that sample, which is set,
120 is more steady relative to the slip of movable plate 140.
Fig. 5 (a)-(e) shows a work period of the automatic tin cream adding device 100 of the utility model, its center line L
The web plate of stencil printer is represented, automatic tin cream adding device 100 is used to the tin cream in solder paste can 700 being assigned to web plate L, schemes
5 (a)-(e) is decomposed and shown in a work period of automatic tin cream adding device 100, and movable plate 140 and pressing plate 120 are opposite
In change in location (i.e. the stroke of movable plate 140 and pressing plate 120) of the web plate L on above-below direction (i.e. short transverse).It is automatic to add
One work period of tin cream device 100 includes solder paste can 700 being moved to operating position from initial position in the height direction
Position fixing process plus tin the course of work (hereinafter referred to as " course of work ") and in the height direction by solder paste can 700 from work
Position returns to the process of initial position.Exist it should be noted that Fig. 5 (a)-(e) is not offered as automatic tin cream adding device 100
Moved left and right in work period relative to web plate L, automatic tin cream adding device 100 can be relative to web plate in a work period
L is moved, can also be fixed relative to web plate L.As an example, automatic tin cream adding device 100 is adding the work of tin
During be it is linearly moving in the horizontal direction relative to halftone L, with halftone L from needing plus the initial position of tin cream is opened
Begin to distribute tin cream along straight line or curve, until reaching the final position for needing to add tin cream of web plate L.And exist by solder paste can 700
Be moved in short transverse in the position fixing process of operating position from initial position and in the height direction by solder paste can 700 from
During operating position returns to initial position, automatic tin cream adding device 100 can be relative to web plate L in the horizontal direction
Upper movement, can also move in the horizontal direction relative to web plate L.As an example, automatic tin cream adding device 100 is printing
There is a stand in machine, it is necessary to first fill automatic tin cream adding before the work period of automatic tin cream adding device 100 is started
100 original positions for needing to add tin cream that web plate L is moved to from stand are put, and complete to need after adding tin process
By automatic tin cream adding device 100 from web plate L need plus tin cream final position at be moved back into stand.Show as one
Example, solder paste can 700 is moved to the position fixing process of operating position from initial position in the height direction can occur by automatically
Add tin cream device 100 from stand be moved to web plate L need plus tin cream original position during, in short transverse
On process by solder paste can 700 from operating position back to initial position can occur by automatic tin cream adding device 100 from net
Plate L need plus tin cream final position at be moved to stand during.
In a work period of automatic tin cream adding device 100, pressing plate 120 and movable plate 140 have with down stroke：
(i) stroke moved jointly downwardly against the operating position of movable plate (140), (ii) reach the working position of movable plate (140)
The stroke relatively moved downwards is postponed, the stroke that (iii) is relatively moved upwards after the course of work, (iv) is common upwards to be moved
Dynamic stroke.Wherein, the stroke that (i) is moved jointly downwardly against the operating position of movable plate (140) is realized solder paste can 700
The position fixing process of operating position is moved to from initial position in the height direction, (ii) reaches the working position of movable plate (140)
Postponing the stroke relatively moved downwards realizes the course of work for adding tin, and (iii) is moved relatively upwards after the course of work
The stroke that dynamic stroke and (iv) are moved jointly upwards, which realizes, in the height direction returns to solder paste can 700 from operating position
The process of initial position.
Fig. 5 (a) shows the initial position of pressing plate 120 and movable plate 140, and in initial position, driving device 160 is not opened also
Beginning driving push rod 110 moves down, thus pressing plate 120 is fixed by push rod 110, and movable plate 130 locks machine by top
Structure (142,122) is locked and cannot be moved down by pressing plate 120.Fig. 5 (b) shows that movable plate 140 is just moved down into it
Operating position, at this time, movable plate 140 are locked by lower part single direction locking mechanism (144,134) and cannot continue to move down.From figure
The stroke of 5 (a) to Fig. 5 (b) are the stroke that pressing plate 120 and movable plate 140 move jointly downwardly against operating position.At this
In stroke, top locking mechanism (142,122) still pins movable plate 140, prevents movable plate 140 from moving freely downwards, but
Can moving down and move down with push rod 110 and pressing plate 120.Therefore, with 160 driving push rod 110 of driving device
Move down, movable plate 140 is together with pressing plate 120 as push rod 110 moves down.The end of this trip means solder paste can
700 position fixing process terminates, and solder paste can 700 is positioned at the height needed for above web plate L.
Fig. 5 (c) shows that pressing plate 120 is pressing solder paste can 700.Stroke from Fig. 5 (b) to Fig. 5 (c) be to
Up to the stroke relatively moved downwards behind the operating position of movable plate 140.In the trip, movable plate 140 is by lower part one-way lock
Determine mechanism (144,134) locking and cannot continue to move down, and top locking mechanism (142,122) release movable plate 140, make
Obtaining the pressing plate 120 can move down relative to movable plate 140.When pressing plate 120 is moved to and tin relative to movable plate 140
When cream tank 700 is in contact, the tin course of work is added to start, the continuing to move down of pressing plate 120 can press solder paste can 700 so that tin
Cream tank 700 is relatively moved with being installed on the nozzle 500 on workbench 150 and being contained in solder paste can 700, so as to will hold
The tin cream being contained in solder paste can 700 is assigned to from nozzle 500 on the web plate L of lower section.The end of this trip means pressing plate
120 have completed to add tin action, and the course of work terminates.
Fig. 5 (d) shows that pressing plate 120 rises to top locking mechanism (142,122) after the course of work and locks again
Determine movable plate 140, locking at this time is in order to which movable plate 130 is moved up back its initial position (such as Fig. 5 by pressing plate 120
(e) shown in).Stroke from Fig. 5 (c) to Fig. 5 (d) be after the course of work, pressing plate 120 and movable plate 140 it is upward
The stroke of relative movement.In the trip, top locking mechanism (142,122) still discharges movable plate 142, and pressing plate 120 is opposite
Moved up in movable plate 140, until the trailing edge 122 of pressing plate 120 abuts the stress bead 142 of movable plate 140.
Fig. 5 (e) shows that movable plate 130 moves up back its initial position.Stroke from Fig. 5 (d) to Fig. 5 (e) is
The upward stroke moved jointly of pressing plate 120 and movable plate 140.In the trip, top locking mechanism (142,122), which pins, to be moved
Movable plate 140 so that movable plate 140 is moved up and moved up with push rod 110.The end of this trip means pressing plate
120 and movable plate 140 return to its initial position, a work period of automatic tin cream adding device 100 terminates.
It is new as a result of the support plate 130 of mutual cooperation as introduced above, movable plate 140 and pressing plate 120, this practicality
The automatic tin cream adding device 100 of type only can be realized as solder paste being moved to above web plate using only a driving device 160
The location action of desired height, and tin cream is assigned on web plate from solder paste can nozzle and adds tin action.Therefore, this practicality
New 100 mechanical construction and control system of automatic tin cream adding device is simple, and occupied space is little, and cost is relatively low.
Now turn to Figure 1A and Figure 1B.As shown in FIG. 1A and 1B, the utility model is additionally provided used in automatic tin cream adding
It is used for the device for preventing that tin cream from dripping in device 100, and the utility model is additionally provided with being used to prevent what tin cream from dripping
The solder paste can 700 that device is used cooperatively.
Tin cream is the larger fluid of viscosity so that the tin cream and the housing 710 of solder paste can 700 being contained in solder paste can are (such as
Shown in Fig. 7 A) stick together, and tin cream has certain dead weight.When solder paste can 700 it is opening down pass through tin cream nozzle
500 when being installed on workbench 150, even if pressing plate 120, without pressing solder paste can 700, the dead weight of tin cream can also cause tin cream to have
The trend flowed out from tin cream nozzle 500.And due to the housing 710 of tin cream and solder paste can 700 it is glutinous together with, tin cream from
Heave hand moves solder paste can 700 and is moved down relative to the nozzle 500 being contained in solder paste can 700, and solder paste can 700 is relative to nozzle
500 move down can squeeze out tin cream from solder paste can 700, and what this had aggravated that tin cream flows out from nozzle 500 becomes
Gesture.For this reason, the utility model provides and described is used to preventing device that tin cream drips and described with being used to prevent tin cream from dripping
The solder paste can 700 that is used cooperatively of device, to prevent tin cream from being dripped due to dead weight from tin cream nozzle 500.
Fig. 6 shows the retainer 180 and height adjustment device 190 in the device for preventing tin cream drippage.Such as Fig. 6
Shown, the device for preventing tin cream from dripping includes retainer 180 and height adjustment device 190, and the one of height adjustment device 190
End is connected on retainer 180.As an example, retainer 180 is equipped with through hole 181, the size and solder paste can of through hole 181
The outside diameter of 700 housing 710 matches.
As shown in FIG. 1A and 1B, when in use, retainer 180 is in the workbench 150 for being used for carrying solder paste can 700
Top, and pass through its through hole 181 connect solder paste can 700 housing 710.One end of retainer 180 is slidably attached at use
In support workbench 150 support device of work level (i.e. movable plate 140) on so that retainer 180 can be with solder paste can
The reduction of tin cream in 700 and as solder paste can 700 moves down, to adapt to the opposite of tin cream nozzle 500 and tin cream tank shell 710
Change in location.It should be noted that, although in the embodiment shown in Figure 1A and Figure 1B, workbench that retainer 180 is connected
Support device is movable plate 140, but for the automatic tin cream adding device without using movable plate 140, it can also be used
The device provided by the utility model for being used to prevent that tin cream from dripping, support device of work level can be the portion not moved at this time
Part, as long as the component is used to support workbench 150.That is, any automatic tin cream adding device, as long as its use is fallen
The solder paste can put adds tin, can use the above-mentioned device for being used to prevent that tin cream from dripping provided by the utility model, and
It is used to support in use, retainer 180 is connected on the support device of work level of solder paste can workbench.
Still as shown in Figure 1A and 1B, as with retainer 180, the other end of height adjustment device 190 is also connected to shifting
On movable plate 140, for adjusting height of the retainer 180 relative to movable plate 140.As an example, height adjustment device 190
For clockwork spring, the free end of clockwork spring is connected with retainer 180, and the helical coil portion of clockwork spring is installed on movable plate 140
On, movable plate 140 is equipped with corresponding accommodation space 149 (see Fig. 2A) to accommodate the helical coil portion of clockwork spring.Clockwork spring
Elastic force should match with the weight of the tin cream accommodated in solder paste can 700.Specifically, the elastic force of clockwork spring cannot be set
It is too big, it in order to avoid solder paste can 700 is pulled from tin cream nozzle 500, can not set too small, in order to avoid cannot be to solder paste can
700 apply enough pulling force to offset the dead weight of tin cream.When performing shown in Fig. 5 plus tin the course of work, clockwork spring makes
Retainer 180 can be pressed with solder paste can 700 and move down and move.Height adjustment device 190 can include two
Clockwork spring, the both ends of described two clockwork spring difference connection retainers 180.Set two clockwork springs can be more steady
Ground adjusts height of the retainer 180 relative to movable plate 140.It should be noted that as with retainer 180, in automatic tin adding
When cream device is without using movable plate, height adjustment device 190 is connected on the support device of work level of support workbench.
As shown in fig. 6, retainer 180 includes the sliding block 182 positioned at its side.Sliding block 182 can be filled with worktable support
The sliding slot (the second sliding slot 147 of such as movable plate 140) set on (such as movable plate 140) is put to be engaged, can by retainer 180
It is slidably connected on support device of work level (such as movable plate 140).As an example, on sliding block 182 and movable plate 140
The cross section of second sliding slot 147 is trapezoidal, and their size matches, so that sliding block 182 can be from the second sliding slot 147
Upper and lower ends are inserted into the second sliding slot 147, and can be slided up and down along the second sliding slot 147 without being slided transverse to second
Loosened on the direction of groove 147 from the second sliding slot 147.
Fig. 7 A and Fig. 7 B respectively illustrate the top perspective view and bottom perspective view of the solder paste can of the utility model.Such as Fig. 7 A
Shown in 7B, solder paste can 700 includes housing 710 and lid 720, and housing 710 has outlet 712, and lid 720 is covered in outlet 712.
After tin cream is fitted into housing 710, lid 720 is sealed exporting 712, and tin cream is sealed up for safekeeping in housing 710.
The outer wall of housing 710 is equipped with clamping apparatus 750, when solder paste can 700 is down inserted into retainer 180 by outlet 712
Through hole 181 in when (as shown in Figure 1A), clamping apparatus 750 can be engaged with the through hole 181 of retainer 180, by tin cream
Tank 700 is connected in retainer 180.As an example, clamping apparatus 750 is to extend along the circumference of 710 outer wall of housing
Defining flange.As an example, clamping apparatus 750 is positioned close to the position of outlet 712, and thus clamping apparatus 750 can be with
Lid 720 coordinates and tin cream is sealed in solder paste can 700, and Fig. 8 A show the section view of the utility model tin cream canister assembly 800
Figure, Fig. 8 B show the stereogram of the tin cream nozzle in the utility model tin cream canister assembly.As shown in Figure 8 A, the utility model tin
Cream canister assembly 800 includes solder paste can 700 as shown in Figure 7, the tin cream being contained in solder paste can 700 and is contained in solder paste can
Tin cream nozzle 500 (as shown in Figure 8 B) in 700.Tin cream canister assembly 800 is installed on workbench 150 by tin cream nozzle 500
(as shown in Figure 1A).
As shown in Figure 8 B, tin cream nozzle 500 has nozzle body 510, extends through the nozzle bore of nozzle body 510
520th, the enlarged head 530 positioned at 510 one end of nozzle body and the jet hole 550 positioned at 510 other end of nozzle body.Such as figure
Shown in 8A, the internal diameter of the diameter and solder paste can 700 of enlarged head 530 matches.Nozzle body 510 is near jet hole 550
Outside diameter can set it is smaller, by tin cream nozzle 500 be installed on workbench 150 tin cream through hole 155 in (as shown in Figure 9 B).
When forming tin cream canister assembly 800 using the solder paste can 700 for accommodating tin cream, first by the lid of solder paste can 700
720 take off from outlet 712, and the enlarged head 530 of tin cream nozzle 500 then is inserted into shell from the outlet 712 of solder paste can 700
In body 710.Near outlet 712 in solder paste can 700 and tin cream is underfilled with, but installation space is left for tin cream nozzle 500.
When tin cream canister assembly 800 be inversely installed on workbench 150 so that the opening 712 of solder paste can 700 downward when,
In the case where tin cream nozzle 500 is fixed by workbench 150, the bottom that solder paste can 700 is pressed by pressing plate 120 can
So that the housing 710 of solder paste can 700 is moved down relative to tin cream nozzle 500, so that by tin cream from the spray of tin cream nozzle 500
Mouthpiece 550 distributes.
It is above-mentioned be used for prevent tin cream drip device be engaged with solder paste can 700, can reduce due to tin cream dead weight and from
The amount of the tin cream at jet hole 550 is dripped or remained at tin cream jet hole 550.
Fig. 8 C show that the utility model supplies the sectional view of tin component (solder paste can holding component).As shown in Figure 8 C, this reality
Include retainer 180, height adjustment device 190 and solder paste can 700 etc. for tin component with new, for being filled for automatic tin cream adding
Offer tin cream is provided.The utility model utilizes the mutual of the defining flange 750 on tin cream tank shell and retainer 180 for tin component
Coordinate, can prevent tin cream from being dripped due to dead weight when providing tin cream, the utilization rate thus, it is possible to improve tin cream, is saved into
This, while also tin cream can be prevented to be dropped in unwanted position, improve the production efficiency of product.
Fig. 9 A show the stereogram of the workbench 150 of the utility model.Fig. 9 B are that the part at Fig. 1 workbench 150 is cutd open
Depending on and enlarged drawing, it illustrates the gas passage 900 and the position relationship of tin cream through hole 155 in workbench 150.The utility model
The device for removing residual tin cream automatically is additionally provided, the gas passage 900 that it includes being arranged in workbench 150 is (as schemed
Shown in 9A and Fig. 9 B).
As shown in fig. 9 a and fig. 9b, tin cream through hole 155 and gas passage 900, tin cream through hole 155 are equipped with workbench 150
For accommodating tin cream jet hole 550, gas passage 900 is used to the gas direction in purge gas source (not shown) being contained in tin
Tin cream jet hole 550 in cream through hole 155 guides, to cut remaining tin at (or removing) tin cream jet hole 550 by gas
Cream.
Specifically, workbench 150 includes the first thicker portion 157 and the second thinner part 156, the second thinner part
156 bottom surface 156a be higher than the first thicker portion 157 bottom surface 157a so that on the first thicker portion 157 formed with it is described
The step surface 158 that the bottom surface 156a of second thinner part 156 is connected.Tin cream through hole 155 extends through second thinner
Divide 156, gas passage 900 is arranged in the first thicker portion 157.Gas passage 900 includes gas access 910 and gas vent
920, gas access 910 is connected with purge gas source, and gas vent 920 is arranged on step surface 158, and gas is blowed to receiving
Tin cream jet hole 550 in tin cream through hole 155.As an example, gas vent 920 is positioned proximate to tin cream through hole
155, to improve the cleaning efficiency of clean gas.
Gas vent 920 is in flat, so that the cutting gas flowed out from gas vent 920 is formed as air knife.Gas leads to
Road 900 includes first passage part 930 and second channel part 940, and first passage part 930 is connected by gas access 910
Purge gas source, second channel part 940 connect gas vent 920.Second channel part 940 is than first passage part 930
Carefully so that the gas being flow to from first passage part 930 in second channel part 940 is accelerated, at gas vent 920
Form more sharp air knife.In addition, the clean gas can be compressed gas, to improve the flow velocity of gas, so that favorably
In making air knife sharper.
It is above-mentioned to be used to remove the device for remaining tin cream automatically after adding the tin course of work to terminate, i.e., stop in pressing plate 120
After extruding solder paste can 700,550 remaining tin cream of tin cream jet hole is cut away immediately, the residual tin cream cut away falls on web plate
Tin cream where position, so as to prevent during workbench 150 is ramped up to initial position or will be automatic
During adding the overall movement of tin cream device 100, remaining tin cream is arbitrarily dropped on web plate and is not required at tin cream jet hole 550
Distribute the position of tin cream.
This specification uses examples to disclose the utility model, and one or more of examples are illustrated in attached drawing.
Each example is provided to explanation the utility model and provides, rather than in order to limit the utility model.In fact, for ability
It is readily apparent that can be new to this practicality in the case of not departing from the scope of the utility model or spirit for field technique personnel
Type can carry out various modifications and variations.For example, diagram or description the feature as the part of one embodiment can be with
It is used together with another embodiment, to obtain further embodiment.Therefore, it is intended that the utility model and covers appended
The modifications and variations carried out in the range of claims and its equivalent.
Claims (10)
1. the device of tin cream is remained for removing automatically, it is characterised in that including：
Workbench (150), the workbench (150) are used to carry solder paste can (700), and the solder paste can (700) accommodates tin cream spray
Mouth (500), the tin cream nozzle (500) have tin cream jet hole (550), and the workbench (150) has tin cream through hole
(155), the tin cream through hole (155) is used to accommodate the tin cream jet hole (550)；
The gas passage (900) being arranged in the workbench (150), the gas passage (900) include gas access (910)
With gas vent (920), the gas access (910) connects with purge gas source, the gas vent (920) be configured as by
Gas blows to the tin cream jet hole (550) being contained in the tin cream through hole (155), so as to cut the tin cream jet hole
(550) the remaining tin cream in place.
2. the automatic device for removing residual tin cream according to claim 1, it is characterised in that：
The gas passage (900) includes first passage part (930) and second channel part (940), the first passage portion
Divide (930) connection the purge gas source, second channel part (940) connection gas vent (920), described second
Channel part (940) is thinner than the first passage part (930) so that the flowing gas in the first passage part (930)
It is accelerated in the second channel part (940).
3. the automatic device for removing residual tin cream according to claim 1, it is characterised in that：
The gas vent (920) is in flat, so that the cutting gas from the gas vent (920) outflow is sharper.
4. the automatic device for removing residual tin cream according to claim 1, it is characterised in that：
The gas is compressed gas.
5. the automatic device for removing residual tin cream according to claim 1, it is characterised in that：
The workbench (150) includes the first thicker portion (157) and the second thinner part (156), second thinner part
(156) bottom surface (156a) is higher than the bottom surface (157a) of first thicker portion (157), so that in first thicker portion
(157) step surface (158) being connected with the bottom surface (156a) of second thinner part (156) is formed on；
Wherein, the tin cream through hole (155) extends through second thinner part (156), and the gas vent (920) is set
On the step surface (158).
6. the automatic device for removing residual tin cream according to claim 5, it is characterised in that：
The gas vent (920) is adjacent with the tin cream through hole (155).
7. the automatic device for removing residual tin cream according to claim 5, it is characterised in that：
The gas passage (900) is arranged in first thicker portion (157).
8. the automatic device for removing residual tin cream according to claim 1, it is characterised in that：
The workbench (150) is fixedly attached to one end of support device of work level (140).
9. the automatic device for removing residual tin cream according to claim 8, it is characterised in that：
The solder paste can (700) includes housing (710), and the housing (710) accommodates the tin cream nozzle (500), the housing
(710) can be mobile relative to the tin cream nozzle (500), the solder paste can (700) is fallen by the tin cream nozzle (500)
It is carried on putting on the workbench (150), the housing (710) of the solder paste can (700) passes through in the solder paste can
(700) pressing plate (120) that top moves up and down is extruded and is moved relative to the tin cream nozzle (500), so that tin cream
Can be by the extrusion from the solder paste can (700).
10. the automatic device for removing residual tin cream according to claim 9, it is characterised in that：
The automatic device for removing residual tin cream is configured as stopping extruding the solder paste can (700) in the pressing plate (120)
Gas is blowed to the tin cream jet hole being contained in the tin cream through hole (155) by the gas vent (920) afterwards
(550), so as to cut the remaining tin cream in tin cream jet hole (550) place.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395631.7U CN207266403U (en) | 2017-04-14 | 2017-04-14 | For removing the device of residual tin cream automatically |
| JP2019555891A JP7152416B2 (en) | 2017-04-14 | 2018-04-13 | A device that automatically removes residual solder paste |
| EP18734284.5A EP3610974B1 (en) | 2017-04-14 | 2018-04-13 | An apparatus for automatically clearing residual solder paste with a gas channel in the working platform bearing a solder paste tub |
| TW107112759A TWI760479B (en) | 2017-04-14 | 2018-04-13 | A device for automatically clearing residual solder paste |
| US16/604,463 US11072033B2 (en) | 2017-04-14 | 2018-04-13 | Apparatus for automatically clearing residual solder paste with a gas channel in the working platform bearing a solder paste tub |
| KR1020197033356A KR102456216B1 (en) | 2017-04-14 | 2018-04-13 | Automatic cleaning device for residual solder paste with gas channels in the work platform that supports the solder paste pail |
| PCT/IB2018/000496 WO2018189592A1 (en) | 2017-04-14 | 2018-04-13 | An apparatus for automatically clearing residual solder paste with a gas channel in the working platform bearing a solder paste tub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395631.7U CN207266403U (en) | 2017-04-14 | 2017-04-14 | For removing the device of residual tin cream automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207266403U true CN207266403U (en) | 2018-04-20 |
Family
ID=61914635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720395631.7U Active CN207266403U (en) | 2017-04-14 | 2017-04-14 | For removing the device of residual tin cream automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207266403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108738246A (en) * | 2017-04-14 | 2018-11-02 | 伊利诺斯工具制品有限公司 | Device for removing residual tin cream automatically |
-
2017
- 2017-04-14 CN CN201720395631.7U patent/CN207266403U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108738246A (en) * | 2017-04-14 | 2018-11-02 | 伊利诺斯工具制品有限公司 | Device for removing residual tin cream automatically |
| CN108738246B (en) * | 2017-04-14 | 2023-08-04 | 伊利诺斯工具制品有限公司 | Device for automatically removing residual solder paste |
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