CN207266404U - Automatic tin cream adding device for stencil printer - Google Patents
Automatic tin cream adding device for stencil printer Download PDFInfo
- Publication number
- CN207266404U CN207266404U CN201720395641.0U CN201720395641U CN207266404U CN 207266404 U CN207266404 U CN 207266404U CN 201720395641 U CN201720395641 U CN 201720395641U CN 207266404 U CN207266404 U CN 207266404U
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- movable plate
- tin cream
- plate
- pressing plate
- bead
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Abstract
The utility model provides the automatic tin cream adding device and system for stencil printer, which includes：Push rod, pressing plate, support plate, movable plate and workbench, pressing plate is moved up and down with moving up and down for push rod, support plate is relatively fixed relative to the movement of push rod, the outside of movable plate can slide up and down to setting on the supporting plate, pressing plate, which can slide up and down to, to be arranged on the inner side of movable plate, workbench is fixed on movable plate, for carrying solder paste can；Wherein, lower part single direction locking mechanism is equipped between movable plate and support plate, lower part single direction locking mechanism is configured as：Movable plate is locked when movable plate is in operating position, so that movable plate cannot move down；And top locking mechanism wherein, is equipped between movable plate and pressing plate, top locking mechanism is configured as：Pressing plate is moved in the case where movable plate is not moved relative to movable plate, can also be moved jointly with movable plate when movable plate is moved.
Description
Technical field
Automatic tin cream adding device is the utility model is related to, more particularly to used in printed circuit board surface sealing label technology
The automatic tin cream adding device of stencil printer.
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 structure and control system simply and occupied space is smaller, lower-cost
Automatic tin cream adding device.
It is according to the present utility model in a first aspect, the utility model provide for stencil printer automatic tin cream adding dress
Put, including：Push rod, the push rod can move up and down；Pressing plate, the pressing plate are located at the end of push rod, and the pressing plate is with pushing away
Moving up and down for bar and move up and down；Support plate, relative to the movement of the push rod, the support plate is relatively fixed；Movable plate,
The movable plate has operating position, and the movable plate has inner side and outer side, wherein, the outside of the movable plate can on
Lower slider it is arranged in the support plate, the pressing plate, which can slide up and down to, to be arranged on the inner side of the movable plate；Work
Platform, for carrying solder paste can, the workbench is fixed on movable plate, is moved up and down with moving up and down for movable plate；Its
In, lower part single direction locking mechanism is equipped between the movable plate and support plate, the lower part single direction locking mechanism is configured as：
The movable plate locks the movable plate at operating position, so that the movable plate cannot move down；And wherein, institute
State and top locking mechanism is equipped between movable plate and pressing plate, the top locking mechanism is configured as：Enable the pressing plate
Move relative to movable plate in the case where the movable plate is not moved, can also be moved jointly with movable plate when movable plate is moved
It is dynamic.
Automatic tin cream adding device according to first aspect, the pressing plate and the movable plate have with down stroke：(i)
The stroke moved jointly downwardly against the operating position of movable plate, (ii) is after the operating position of movable plate is reached to lower opposite shifting
Dynamic stroke, the stroke that (iii) is relatively moved upwards after the course of work, the stroke that (iv) is moved jointly upwards are described
Top locking mechanism is configured as：(i) stroke moved jointly downwardly against operating position in the pressing plate and the movable plate
In, the top locking mechanism pins the movable plate, prevents the movable plate from moving freely downwards, but can be with push rod
Move down and move down, (ii) when movable plate is moved to operating position and is locked by lower part single direction locking mechanism, in institute
State in the stroke that pressing plate and the movable plate relatively move downwards, the top locking mechanism discharges the movable plate so that institute
Stating pressing plate can move down relative to the movable plate, and (iii) is when movable plate is in operating position and by lower part monodirectional locking machine
It is described in the stroke that the pressing plate and the movable plate relatively move upwards when structure locks, and after the course of work
Top locking mechanism discharges the movable plate so that the pressing plate can be moved up relative to the movable plate, and (iv) is in institute
State in the stroke that pressing plate and the movable plate move jointly upwards, the top locking mechanism pins the movable plate so that institute
Movable plate is stated to move up with moving up for push rod.
Automatic tin cream adding device according to first aspect, relatively moves downwards in the pressing plate and the movable plate
In stroke, the pressing plate extrudes solder paste can, in the stroke that the pressing plate and the movable plate relatively move upwards, the pressing plate
Move away from solder paste can.
Automatic tin cream adding device according to first aspect, the top locking mechanism include：Trailing edge, it is described to lead
Draw edge to be arranged on the pressing plate；Stress bead, the stress bead are arranged on the inner side of the movable plate；Wherein, institute
The lower section that trailing edge is located at the stress bead is stated, and has and forms overlapping part with the stress bead.
Automatic tin cream adding device according to first aspect, the lower part single direction locking mechanism include：Stop bead, institute
State the lower end for stopping that bead is arranged on the support plate；It to be obstructed bead, the bead of being obstructed is arranged on the outside of the movable plate,
It is described to stop bead positioned at the lower section of the bead of being obstructed, and have and form overlapping part with the bead of being obstructed.
Automatic tin cream adding device according to first aspect, further includes driving device, and the push rod is driven by driving device
Move and move up and down.
Automatic tin cream adding device according to first aspect, further includes and is transversely mounted plate, and the driving device passes through horizontal stroke
The upper end of the support plate is fixed on to installing plate, the plate that is transversely mounted is equipped with the hole extended through for push rod.
Automatic tin cream adding device according to first aspect, the support plate has to be extended between end and lower end on it
The first sliding groove；The movable plate there is the first sliding block on the outside and on the inside of it on the second sliding slot；The pressing plate
With the second sliding block；First sliding block and the first sliding groove be engaged with the movable plate can be slided up and down to be connected to it is described
In support plate；Second sliding block and the second sliding slot are engaged is connected to the movable plate so that the pressing plate can be slided up and down to
On.
Automatic tin cream adding device according to first aspect, first sliding block, the first sliding groove, the second sliding block and second
The cross section of sliding slot is trapezoidal.
Second aspect according to the present utility model, the utility model provide a kind of automatic tin adding for stencil printer
Paste system, it includes：Automatic tin cream adding device according to first aspect；With tin cream canister assembly, the tin cream canister assembly bag
Include solder paste can and be contained in tin cream nozzle therein, the solder paste can is carried on automatic add with being squeezed by the tin cream nozzle
On the workbench of tin cream device.
The automatic tin adding paste system for stencil printer according to second aspect, the workbench are equipped with logical
Hole, the tin cream nozzle is inserted into the through hole, so that tin cream can flow through the through hole.
As a result of the support plate of mutual cooperation, movable plate and pressing plate, the automatic tin cream adding device of the utility model is only
It can be realized as solder paste being moved to the location action of desired height above web plate using only a driving device, and by tin
Cream is assigned to the action of on web plate plus tin from solder paste can nozzle.Therefore, the automatic tin cream adding device machinery knot of the utility model
Structure and control system are simple, and occupied space is little, and cost is relatively low.
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 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, lower part single direction locking mechanism 144 is equipped between movable plate 140 and support plate 130,
134.Lower part single direction locking mechanism 144,134 defines the lower dead center that movable plate 140 moves up and down, and in movable plate 140 in work
Make to lock movable plate 140 during position, so that movable plate 140 cannot continue to move down.And movable plate 140 and pressing plate 120
Between be equipped with top locking mechanism 142,122, top locking mechanism 142,122 is configured such that the pressing plate 120 can be
The movable plate 140 moves in the case of not moving relative to movable plate 140, also can be when movable plate 140 moves and movement
Plate 140 moves jointly.More specifically, top locking mechanism 142,122 are configured as：Pressing plate 120 is enabled to drive movement
Plate 140 is jointly mobile movable plate 140 is moved to operating position or moves away from operating position, and enables pressing plate 120
It is enough to be moved up and down when movable plate 140 is locked in operating position relative to movable plate 140.By setting the top to lock machine
Structure 142,122 and lower part single direction locking mechanism 144,134, only can be realized as solder paste can using only a driving device 160
Component is moved to the location action of desired height above web plate, and tin cream is assigned to adding on web plate from solder paste can nozzle
Tin acts.
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 134 He of stop bead of the lower end 131 of support plate 130
The bead 144 of being obstructed in the outside 145 of movable plate 140 is arranged on, the stop bead 134 is obstructed under bead 144 positioned at described
Side, and have and form overlapping part with the bead 144 of being obstructed.Thus, when movable plate 140 is downward relative to support plate 130
Be moved to movable plate 140 be obstructed bead 144 against support plate 130 stop bead 134 when, support plate 130 prevent movable plate
140 continue 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
Stress bead 142 on inner side 141, the trailing edge 122 are located at the lower section of the stress bead 142, and with it is described
Stress bead 142 forms overlapping part.Thus, the traction of pressing plate 120 is resisted against by the stress bead 142 of movable plate 140
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 after
It is continuous to move down the stress bead 142 that its trailing edge 122 be caused to depart from movable plate 140, so as to discharge movable plate 140.It
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, be added with performing
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,
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 120 can be used
Movable plate 140 is driven to 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 shows a work period of the automatic tin cream adding device 100 of the utility model, its center line L represents tin cream
The web plate of printing machine, automatic tin cream adding device 100 are used to the tin cream in solder paste can 700 being assigned to web plate L, Fig. 5 (a)-(e)
Decomposition shows that in a work period of automatic tin cream adding device 100 movable plate 140 and pressing plate 120 exist relative to web plate L
Change in location (i.e. the stroke of movable plate 140 and pressing plate 120) on above-below direction (i.e. short transverse).Automatic tin cream adding device
100 work period includes for solder paste can 700 being moved to the positioning of operating position from initial position in the height direction
Journey, plus tin the course of work (hereinafter referred to as " course of work ") and in the height direction by solder paste can 700 from operating position return
To the process of initial position.It should be noted that Fig. 5 (a)-(e) is not offered as automatic tin cream adding device 100 in the work period
In moved left and right relative to web plate L, automatic tin cream adding device 100 can move in a work period relative to web plate L,
Can be fixed relative to web plate L.As an example, automatic tin cream adding device 100 is in the course of work for add tin
It is linearly moving in the horizontal direction relative to halftone L, with halftone L since need plus the initial position of tin cream along straight line
Or curve distribution tin cream, until reaching the final position for needing to add tin cream of web plate L.And by solder paste can 700 in short transverse
On be moved to from initial position in the position fixing process of operating position and in the height direction by solder paste can 700 from operating position
During initial position, automatic tin cream adding device 100 can not move in the horizontal direction relative to web plate L,
It can also be moved in the horizontal direction relative to web plate L.As an example, automatic tin cream adding device 100 has in printing machine
One stand, it is necessary to first by automatic tin cream adding device 100 before the work period of automatic tin cream adding device 100 is started
The original position for needing to add tin cream of web plate L is moved to from stand, and completes to need certainly after adding tin process
Dynamic plus tin cream device 100 from web plate L need plus the final position of tin cream at be moved back into stand., will as an example
The position fixing process that solder paste can 700 is moved to operating position from initial position in the height direction can occur by automatic tin cream adding
Device 100 from stand be moved to web plate L need plus tin cream original position during, in the height direction by tin
Process of the cream tank 700 from operating position back to initial position can occur in the need by automatic tin cream adding device 100 from web plate L
Add during being moved to stand at the final position of tin cream.
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) is after the operating position of movable plate 140 is reached
The stroke relatively moved downwards, the stroke that (iii) is relatively moved upwards after the course of work, (iv) are moved jointly upwards
Stroke.Wherein, the stroke that (i) is moved jointly downwardly against the operating position of movable plate 140 is realized solder paste can 700 in height
The position fixing process of operating position is moved on direction from initial position, (ii) is after the operating position of movable plate 140 is reached under
The stroke of relative movement realizes plus the course of work of tin, and the stroke that (iii) is relatively moved upwards after the course of work
The stroke that (iv) is moved jointly upwards realizes returns to initial bit by solder paste can 700 from operating position in the height direction
The process put.
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 has just been moved down into its work
Make position, at this time, movable plate 140 is locked by lower part single direction locking mechanism 144,134 and cannot continue to move down.From Fig. 5 (a)
Stroke to Fig. 5 (b) is the stroke that pressing plate 120 and movable plate 140 move jointly downwardly against operating position.In the trip
In, top locking mechanism 142,122 still pins movable plate 140, prevents movable plate 140 from moving freely downwards, but can be with
Push rod 110 and pressing plate 120 are moved down and moved down.Therefore, as 160 driving push rod 110 of driving device is to moving down
Dynamic, movable plate 140 is together with pressing plate 120 as push rod 110 moves down.The end of this trip means determining for solder paste can 700
Position 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 the locking of mechanism 144,134 and cannot continue to move down, and top locking mechanism 142,122 release movable plates 140 so that institute
Stating pressing plate 120 can move down relative to movable plate 140.When pressing plate 120 is moved to and solder paste can relative to movable plate 140
700 when being in contact, and adds the tin course of work to start, and the continuing to move down of pressing plate 120 can press solder paste can 700 so that solder paste can
700 relatively move with being installed on the nozzle 500 on workbench 150 and being contained in solder paste can 700, so as to will be received in
Tin cream 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 that pressing plate 120 is complete
Cheng Jiaxi is acted, 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 relocks
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 (e) by pressing plate 120
It is shown).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 opposite
Mobile stroke.In the trip, top locking mechanism 142,122 still discharges movable plate 142, and pressing plate 120 is relative to movement
Plate 140 moves up, 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 pins movement
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
Its initial position is returned to movable plate 140, 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 second sliding slot 147 cross section to be 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 transverse to the
Loosened on the direction of two sliding slots 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 (9)
1. the automatic tin cream adding device (100) for stencil printer, it is characterised in that including：
Push rod (110), the push rod (110) can move up and down；
Pressing plate (120), the pressing plate (120) are located at the end of the push rod (110), and the pressing plate (120) is with the push rod
(110) move up and down and move up and down；
Support plate (130), relative to the movement of the push rod (110), the support plate (130) is relatively fixed；
Movable plate (140), the movable plate (140) has operating position, and the movable plate (140) has inner side (141)
With outside (145), wherein, the outside (145) of the movable plate (140), which can slide up and down to, is arranged on the support plate (130)
On, the pressing plate (120), which can slide up and down to, to be arranged on the inner side (141) of the movable plate (140)；
Workbench (150), for carrying solder paste can (700), the workbench (150) is fixed on movable plate (140), with shifting
Movable plate (140) move up and down and move up and down；
Wherein, lower part single direction locking mechanism (144,134) is equipped between the movable plate (140) and support plate (130), under described
Portion's single direction locking mechanism (144,134) is configured as：The movable plate is locked when the movable plate (140) is in operating position,
So that the movable plate (140) cannot move down；
And top locking mechanism (142,122), the top wherein, are equipped between the movable plate (140) and pressing plate (120)
Locking mechanism (142,122) is configured as：So that the situation that the pressing plate (120) can not move in the movable plate (140)
Under it is mobile relative to movable plate (140), also can be jointly mobile with movable plate (140) when movable plate (140) is mobile.
2. automatic tin cream adding device (100) according to claim 1, it is characterised in that the top locking mechanism (142,
122) include：
Trailing edge (122), the trailing edge (122) are arranged on the pressing plate (120)；
Stress bead (142), the stress bead (142) are arranged on the inner side (141) of the movable plate (140)；
Wherein, the trailing edge (122) is located at the lower section of the stress bead (142), and has and the stress bead
(142) overlapping part is formed.
3. automatic tin cream adding device (100) according to claim 1, it is characterised in that the lower part single direction locking mechanism
(144,134) include：
Stop bead (134), the lower end (131) for stopping bead (134) and being arranged on the support plate (130)；
Bead of being obstructed (144), the bead of being obstructed (144) are arranged on the outside (145) of the movable plate (140), the stop
Bead (134) has the part overlapping with bead of being obstructed (144) formation positioned at the lower section of bead (144) of being obstructed.
4. automatic tin cream adding device (100) according to claim 1, it is characterised in that further include：
Driving device (160), the push rod (110) are driven by driving device (160) and are moved up and down.
5. automatic tin cream adding device (100) according to claim 4, it is characterised in that further include：
Plate (170) is transversely mounted, the driving device (160) is fixed on the support plate (130) by being transversely mounted plate (170)
Upper end (132)；
Wherein, the plate (170) that is transversely mounted is equipped with the hole (172) extended through for push rod (110).
6. automatic tin cream adding device (100) according to claim 1, it is characterised in that：
The support plate (130) has the first sliding groove (136) held extend between (132) and lower end (131) on it；
The movable plate (140) have the first sliding block (146) on the outside of it on (145) and on the inside of it on (141) second
Sliding slot (147)；
The pressing plate (120) has the second sliding block (127)；
First sliding block (146) and the first sliding groove (136) are engaged so that the movable plate (140) can be slided up and down to connection
In the support plate (130)；
Second sliding block (127) and the second sliding slot (147) are engaged to be connected to so that the pressing plate (120) can be slided up and down to
On the movable plate (140).
7. automatic tin cream adding device (100) according to claim 6, it is characterised in that：
First sliding block (146), the first sliding groove (136), the cross section of the second sliding block (127) and the second sliding slot (147) are
It is trapezoidal.
A kind of 8. automatic tin adding paste system for stencil printer, it is characterised in that including：
Automatic tin cream adding device (100) according to any one of claim 1-7；
Tin cream canister assembly (800), the tin cream canister assembly (800) include solder paste can (700) and are contained in tin cream nozzle therein
(500), the solder paste can (700) is carried on automatic tin cream adding device (100) with being squeezed by the tin cream nozzle (500)
On workbench (150).
9. the automatic tin adding paste system according to claim 8 for stencil printer, it is characterised in that：
The workbench (150) is equipped with through hole (151), and the tin cream nozzle (500) is inserted into the through hole (155), so that
The through hole (151) can be flowed through by obtaining tin cream.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395641.0U CN207266404U (en) | 2017-04-14 | 2017-04-14 | Automatic tin cream adding device for stencil printer |
| EP18737404.6A EP3611020B1 (en) | 2017-04-14 | 2018-04-13 | Automatic solder paste addition apparatus for solder paste printer |
| PCT/IB2018/000475 WO2018189590A1 (en) | 2017-04-14 | 2018-04-13 | Automatic solder paste addition apparatus for solder paste printer |
| JP2019555913A JP7127055B2 (en) | 2017-04-14 | 2018-04-13 | Automatic solder paste adding device for solder paste printing machine |
| TW107112760A TWI755518B (en) | 2017-04-14 | 2018-04-13 | An automatic solder paste feeding device and system for a solder paste printing machine |
| US16/604,459 US11167365B2 (en) | 2017-04-14 | 2018-04-13 | Automatic solder paste addition apparatus for solder paste printer |
| KR1020197033355A KR102376418B1 (en) | 2017-04-14 | 2018-04-13 | Automatic Solder Paste Applicator for Solder Paste Printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395641.0U CN207266404U (en) | 2017-04-14 | 2017-04-14 | Automatic tin cream adding device for stencil printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207266404U true CN207266404U (en) | 2018-04-20 |
Family
ID=61914633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720395641.0U Withdrawn - After Issue CN207266404U (en) | 2017-04-14 | 2017-04-14 | Automatic tin cream adding device for stencil printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207266404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108738245A (en) * | 2017-04-14 | 2018-11-02 | 伊利诺斯工具制品有限公司 | Automatic tin cream adding device for stencil printer |
-
2017
- 2017-04-14 CN CN201720395641.0U patent/CN207266404U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108738245A (en) * | 2017-04-14 | 2018-11-02 | 伊利诺斯工具制品有限公司 | Automatic tin cream adding device for stencil printer |
| CN108738245B (en) * | 2017-04-14 | 2023-06-02 | 伊利诺斯工具制品有限公司 | Automatic solder paste feeding device for solder paste printer |
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