CN212147999U - Printing screen bottom cleaning device - Google Patents
Printing screen bottom cleaning device Download PDFInfo
- Publication number
- CN212147999U CN212147999U CN202020045412.8U CN202020045412U CN212147999U CN 212147999 U CN212147999 U CN 212147999U CN 202020045412 U CN202020045412 U CN 202020045412U CN 212147999 U CN212147999 U CN 212147999U
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- China
- Prior art keywords
- printing screen
- riser
- frame
- clean
- cleaning device
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- 238000004140 cleaning Methods 0.000 title claims abstract description 78
- 238000007639 printing Methods 0.000 title claims abstract description 65
- 238000005096 rolling process Methods 0.000 claims abstract description 19
- 230000001070 adhesive Effects 0.000 claims abstract description 18
- 239000000853 adhesive Substances 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000000875 corresponding Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 238000007667 floating Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 4
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000004804 winding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000006071 cream Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 101700022029 GBLP Proteins 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
- 238000010019 resist printing Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model discloses a printing net bottom cleaning device, frame including a pair of parallel arrangement, install jointly in the frame and placed conductive adhesive printing net rack, but be connected with vertical removal and can follow the clean mechanism that the length direction of frame removed between the frame, clean mechanism is used for clean conductive adhesive printing net, and be located the below of conductive adhesive printing net, clean mechanism includes the base, be equipped with two risers side by side on the base, the top of two risers is connected with the roof that inlays and is equipped with the cleaning strip, it is connected with the scroll axle and the rolling axle that are located the roof both sides to rotate between two risers, the cover is equipped with the cleaning paper on the scroll axle, the free end of cleaning paper is walked around the cleaning strip and is compressed tightly at the rolling epaxially by the layering, the layering is installed at the rolling epaxially, still be equipped with the rolling motor of being connected with the transmission of. The utility model provides a how can effectively clean at the bottom of the printing screen to can reduce the technical problem to the damage of printing screen at clean process, effectively guarantee the printing quality.
Description
Technical Field
The utility model belongs to the technical field of printing machine equipment, in particular to printing screen bottom cleaning device.
Background
Screen printing is widely used in pattern printing, solder resist printing, numbering printing, and through-hole printing in a circuit forming process of a printed wiring board, and is mainly to apply and transfer a paste-like material such as ink or solder paste onto a printing surface of a printing material through a printing screen on which a printing pattern is drawn. In order to ensure the quality of the printed circuit board, the bottom of the printing screen needs to be cleaned after each printing is finished. The prior art cleans the bottom of the printing screen by a paste scraper arranged on a bedplate, and obviously has the following defects: firstly, the paste scraping device and the printing screen are both made of stainless steel, so that the printing screen is greatly abraded, and the service life of the printing screen is short; but also affects the subsequent printing quality; secondly, the cream scraper is accompanied with the accumulation of cream materials in use, so that the problem of back sticking is easy to occur in the cleaning process.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of background art existence, the utility model provides a printing screen bottom cleaning device, the technical problem of its solution is how to carry out effective cleanness at the bottom of the printing screen to reduce the damage to the printing screen at clean process.
For solving the technical problem, the utility model provides a following technical scheme:
a cleaning device for a conductive adhesive printing screen comprises a pair of parallel racks, wherein the racks are detachably mounted on the racks together, the conductive adhesive printing screen is horizontally arranged on the racks, a cleaning mechanism which can vertically move and can move along the length direction of the racks is connected between the racks, and the cleaning mechanism is used for cleaning the conductive adhesive printing screen and is positioned below the conductive adhesive printing screen;
clean mechanism include with the base that conducting resin printing screen paralleled, the base is equipped with the riser and the second riser that set up side by side along the axial, the riser with the top of second riser be connected with the roof that the base parallels, inlay the clean strip that is equipped with the evagination on the roof, the riser with rotate between the second riser and be connected with and be located the paper reel and the rolling axle of roof both sides, the cover is equipped with clean paper on the paper reel, clean paper's free end is walked around clean strip is compressed tightly by the layering the rolling is epaxial, the layering is installed the rolling is epaxial, still be equipped with on the second riser with the rolling motor that rolling axle transmission is connected.
The utility model discloses an in implementing, the first riser with it is connected with quilt still to rotate between the second riser the no paper that the free end of clean paper was walked around detects the axle, no paper detects the axle and is located the paper spool with between the roof, the one end that no paper detected the axle stretches out the second riser to the cover is equipped with plum blossom response piece.
The utility model discloses an in implementing, one side of rack is equipped with to rotate to be connected pivot between the frame, the both ends of pivot are stretched out respectively correspondingly the frame to be equipped with action wheel, arbitrary one in the frame be equipped with corresponding the motor that the action wheel transmission is connected, the frame is kept away from be equipped with respectively on the side of the one end of pivot with corresponding the action wheel is relative from the driving wheel, be located the homonymy the action wheel with all overlap on the driving wheel and be equipped with the belt, be equipped with respectively on the belt and be located the connecting block that frame below and level set up, install down air cylinder on the connecting block respectively, down air cylinder's push rod stretches out corresponding downwards the connecting block, and jointly with the base transmission is connected.
In an embodiment of the present invention, the rack is connected to the frame by a screw.
The utility model discloses an in implementing, be equipped with the quilt along length direction in the frame the guide slot that the belt surrounded, be equipped with the assorted guide block in the guide slot, the guide block with the connecting block links to each other.
In one embodiment of the present invention, the push rod of the push cylinder is connected to the base through a floating joint.
The utility model discloses an in implementing, be connected with a pair of symmetric position downwards on the connecting block push down the guide arm of the push rod both sides of air cylinder, the other end of guide arm all slides and passes the base to install the stopper jointly at its tip.
The utility model discloses beneficial effect for prior art gained is: the cleaning paper through the cleaning device can be repeatedly cleaned at the bottom of the printing screen in a contact mode, and the paper reel and the winding shaft are matched to ensure that the cleaning paper is always clean when being contacted with the bottom of the printing screen, so that effective cleaning of the bottom of the printing screen can be realized, and the technical effect of reducing damage to the printing screen in the cleaning process can be realized. Compared with the prior art, the use cost is low, and the printing quality is effectively ensured.
Drawings
The utility model discloses there is following figure:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of a rack for placing a conductive adhesive printing screen in the present invention;
FIG. 3 is a schematic structural view of the present invention with the conductive adhesive printing screen and the placement frame removed;
fig. 4 is a schematic structural diagram of the middle cleaning mechanism of the present invention.
Detailed Description
The invention is further described with reference to the drawings and the detailed description.
As shown in fig. 1, 2, 3 and 4: the utility model provides a printing screen bottom cleaning device, includes a pair of parallel arrangement's frame 1, common detachably installs rack 2 in frame 1, in this embodiment, rack 2 with frame 1 threaded connection. A horizontally arranged conductive adhesive printing screen 3 is placed on the placing frame 2, a cleaning mechanism 4 which can vertically move and can move along the length direction of the rack 1 is connected between the racks 1, and the cleaning mechanism 4 is used for cleaning the conductive adhesive printing screen 3 and is positioned below the conductive adhesive printing screen 3; cleaning mechanism 4 include with the base 41 that conducting resin printing screen 3 is parallel, base 41 is equipped with the first riser 42 and the second riser 43 that set up side by side along the axial, the top of first riser 42 with the second riser 43 be connected with roof 44 that the base 41 is parallel, inlay on the roof 44 and be equipped with evagination cleaning strip 45, first riser 42 with rotate between the second riser 43 and be connected with and be located the paper reel 46 and the rolling axle 47 of roof 44 both sides, the cover is equipped with cleaning paper 48 on the paper reel 46, cleaning paper 48's free end is walked around cleaning strip 45 is compressed tightly on rolling axle 47 by layering 49, layering 49 is installed on rolling axle 47, still be equipped with on the second riser 43 with rolling shaft 47 transmission connection's rolling motor 50. In this embodiment, the printing screen bottom is cleaned by the always clean cleaning paper 48 which can repeatedly contact with the printing screen bottom, so that the technical effects of effectively cleaning the printing screen bottom and reducing damage to the printing screen in the cleaning process are achieved.
The utility model discloses an in an embodiment, first riser 42 with it is connected with quilt still to rotate between the second riser 43 the no paper that the free end of cleaning paper 48 was walked around detects axle 51, no paper detects axle 51 and is located paper spool 46 with between the roof 44, the one end that no paper detected axle 51 stretches out the second riser 43 to the cover is equipped with plum blossom response piece 52, sets up like this and has effectively avoided the invalid work of this device.
In an embodiment of the present invention, the cleaning mechanism 4 can vertically move and move along the length direction of the frame 1 through the following connection modes: one side of rack 2 is equipped with to rotate and connects pivot 5 between the frame 1, the both ends of pivot 5 are stretched out respectively correspondingly frame 1 to be equipped with action wheel 6 respectively, arbitrary one be equipped with in the frame 1 with corresponding the driving motor 7 that the transmission of action wheel 6 is connected, frame 1 is keeping away from be equipped with respectively on the side of the one end of pivot 5 with corresponding action wheel 6 is relative from driving wheel 8, be located the homonymy action wheel 6 with all overlap on the driving wheel 8 and be equipped with belt 9, be equipped with on the belt 9 respectively and be located the connecting block 10 of frame 1 below and level setting, install down air cylinder 11 on the connecting block 10 respectively, the push rod of down air cylinder 11 stretches out corresponding downwards connecting block 10, and jointly with base 41 transmission is connected.
In this embodiment of the novel use, the frame 1 is provided with a guide groove surrounded by the belt 9 along the length direction, a matched guide block is arranged in the guide groove, and the guide block is connected with the connecting block 10, so that the arrangement effectively ensures the stability of the cleaning mechanism 4 along the length direction of the frame 1.
In this embodiment using the novel structure, the push rod of the push-down cylinder 11 is in transmission connection with the base 41 through a floating joint, so that the service life of the push-down cylinder 11 is effectively prolonged, and the error between the base 41 and the push-down cylinder 11 can be effectively eliminated.
In this embodiment using the novel structure, the connecting block 10 is connected with a pair of guide rods 12 which are symmetrically located at two sides of the push rod of the down-pressing cylinder 11, the other ends of the guide rods 12 all slide through the base 41, and the end parts of the guide rods are provided with the limiting blocks 13, so that the base 41 operates stably.
The working principle is as follows: the device is arranged on a printing machine device through a frame 1, a winding motor 50, a driving motor 7 and a pressing cylinder 11 in the device are connected with a programmable controller of the printing machine device, when the screen bottom of a conductive adhesive printing screen 3 needs to be cleaned, the programmable controller controls the pressing cylinder 11 to enable cleaning paper 48 on a cleaning strip 45 to be in contact with the screen bottom of the conductive adhesive printing screen 3, then the programmable controller controls the driving motor 7 and the winding motor 50 to rotate, the driving motor 7 operates to drive a cleaning mechanism 4 to move along the length direction of the frame 1 through a driving wheel 6 and a belt 9, so that the cleaning paper 48 of the cleaning mechanism 4 cleans the screen bottom of the conductive adhesive printing screen 3, meanwhile, the winding motor 50 rotates to drive a winding shaft 47 to wind up the used cleaning paper 48, when the driving motor 7 finishes a set stroke, the cleaning is finished, the programmable controller controls the pressing cylinder 11 to reset and the winding motor 50 to be closed, then controls the driving motor 7 to rotate reversely so that the cleaning mechanism 4 returns to the initial position, and at the moment, the programmable controller controls the driving motor 7 to be closed.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. A printing screen bottom cleaning device is characterized by comprising a pair of parallel racks, wherein the racks are detachably mounted on the racks together, a horizontally arranged conductive adhesive printing screen is placed on the racks, a cleaning mechanism which can vertically move and can move along the length direction of the racks is connected between the racks, and the cleaning mechanism is used for cleaning the conductive adhesive printing screen and is positioned below the conductive adhesive printing screen;
clean mechanism include with the base that conducting resin printing screen paralleled, the base is equipped with the riser and the second riser that set up side by side along the axial, the riser with the top of second riser be connected with the roof that the base parallels, inlay the clean strip that is equipped with the evagination on the roof, the riser with rotate between the second riser and be connected with and be located the paper reel and the rolling axle of roof both sides, the cover is equipped with clean paper on the paper reel, clean paper's free end is walked around clean strip is compressed tightly by the layering the rolling is epaxial, the layering is installed the rolling is epaxial, still be equipped with on the second riser with the rolling motor that rolling axle transmission is connected.
2. The printing screen bottom cleaning device of claim 1, wherein a paperless detection shaft is rotatably connected between the first vertical plate and the second vertical plate and is bypassed by a free end of the cleaning paper, the paperless detection shaft is located between the paper reel and the top plate, one end of the paperless detection shaft extends out of the second vertical plate, and a quincunx induction sheet is sleeved on the paperless detection shaft.
3. The printing screen bottom cleaning device according to claim 1, wherein the placing frame is in threaded connection with the frame.
4. The printing screen bottom cleaning device according to claim 1, wherein a rotating shaft rotatably connected between the frames is arranged on one side of the placing frame, two ends of the rotating shaft respectively extend out of the corresponding frames and are respectively provided with a driving wheel, any one of the frames is provided with a driving motor connected with the driving wheel in a transmission manner, the frame is provided with a driven wheel opposite to the driving wheel on the side far away from one end of the rotating shaft, a belt is sleeved on the driving wheel and the driven wheel on the same side, a connecting block horizontally arranged below the frames is arranged on the belt, a pressing cylinder is respectively arranged on the connecting block, a push rod of the pressing cylinder extends out of the corresponding connecting block downwards and is connected with the base in a transmission manner.
5. A printing screen bottom cleaning device according to claim 4, characterized in that the frame is provided with a guide groove surrounded by the belt along the length direction, a matched guide block is arranged in the guide groove, and the guide block is connected with the connecting block.
6. The printing screen bottom cleaning device according to claim 4, wherein the push rod of the pressing cylinder is in transmission connection with the base through a floating joint.
7. The printing screen bottom cleaning device according to claim 4, wherein a pair of guide rods symmetrically positioned at two sides of the push rod of the down-pressure cylinder are connected downwards on the connecting block, the other ends of the guide rods slide through the base, and limit blocks are commonly installed at the ends of the guide rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045412.8U CN212147999U (en) | 2020-01-09 | 2020-01-09 | Printing screen bottom cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045412.8U CN212147999U (en) | 2020-01-09 | 2020-01-09 | Printing screen bottom cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212147999U true CN212147999U (en) | 2020-12-15 |
Family
ID=73708972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020045412.8U Active CN212147999U (en) | 2020-01-09 | 2020-01-09 | Printing screen bottom cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212147999U (en) |
-
2020
- 2020-01-09 CN CN202020045412.8U patent/CN212147999U/en active Active
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