CN111469550A - Efficient printing plate washing mechanism - Google Patents
Efficient printing plate washing mechanism Download PDFInfo
- Publication number
- CN111469550A CN111469550A CN202010465224.5A CN202010465224A CN111469550A CN 111469550 A CN111469550 A CN 111469550A CN 202010465224 A CN202010465224 A CN 202010465224A CN 111469550 A CN111469550 A CN 111469550A
- Authority
- CN
- China
- Prior art keywords
- printing plate
- rotating shaft
- plate
- washing
- chuck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005406 washing Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 title claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000003756 stirring Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 37
- 238000000034 method Methods 0.000 description 10
- 239000004744 fabric Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- JOSWYUNQBRPBDN-UHFFFAOYSA-P ammonium dichromate Chemical compound [NH4+].[NH4+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O JOSWYUNQBRPBDN-UHFFFAOYSA-P 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F35/00—Cleaning arrangements or devices
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention provides a high-efficiency printing plate washing mechanism, and belongs to the technical field of printing equipment. The cleaning device comprises a cleaning box with an opening at the upper end, a separation groove arranged at the bottom of the cleaning box, a rotating shaft rotationally connected to the cleaning box and two chuck plates fixed on the rotating shaft, wherein the two chuck plates are connected through a cylindrical connecting block, the connecting block is positioned at the eccentric position of the chuck plates, the chuck plates are positioned in the separation groove, an inserting groove for limiting a printing plate is formed between the two chuck plates, a plurality of brush blocks are uniformly distributed on the inner side surface of each chuck plate, the separation groove is composed of two partition plates which are longitudinally arranged at the bottom of the cleaning box and are parallel to the axis of the rotating shaft, and the width of the; the rotating shaft is connected with a stepping motor. The invention has the advantages of improving the washing efficiency of the printing plate and the like.
Description
Technical Field
The invention belongs to the technical field of printing equipment, and relates to a high-efficiency washing mechanism for a printing plate.
Background
The printing plate is a vehicle for transferring ink to the printed image on the substrate. Can be divided into four categories: relief printing plate, the image-text part of the printing plate is higher than the blank part; the intaglio plate has image-text part lower than the blank part; the image-text part and the blank part of the printing plate are basically on the same plane, and the printing plate has the characteristics that the printing part is oleophilic and the blank part is hydrophilic; the porous plate and the printing plate are made of holes or meshes with different sizes or the same number. According to the lithographic plate making method, the method can be divided into: the protein plate is specially used for negative plate making, and takes a zinc plate as a plate base and takes ammonium dichromate and protein (mainly poultry eggs) as photosensitive films; polyvinyl alcohol flat gravure plate, which is specially used for positive plate making, and takes zinc plate or aluminum plate as plate base, ammonium bicomplex and polyvinyl alcohol as photosensitive film; the multi-layer metal flat-plate intaglio uses oleophylic copper as the basis of picture and text part, hydrophilic chromium or nickel as the basis of blank part, copper plate or aluminium plate as the plate base, and after coppering, the chromium or nickel plate is plated, and then the printing plate is made up by positive plate-making method.
The printing plate can accumulate some printing ink on it after long-time use, leads to the printing to be clear inadequately, needs to wash the printing plate this moment, and current mode all is manual cleaning, not only destroys the picture and text of printing plate easily, but also has the washing thoroughly, the inefficiency scheduling problem.
Disclosure of Invention
The invention aims to provide a high-efficiency printing plate washing mechanism aiming at the problems in the prior art, and the technical problem to be solved by the invention is how to simultaneously wash two side surfaces of a printing plate in a narrow space.
The purpose of the invention can be realized by the following technical scheme: a high-efficiency washing mechanism for a printing plate is characterized by comprising a washing box with an opening at the upper end, a separation groove arranged at the bottom of the washing box, a rotating shaft rotationally connected to the washing box and two chuck plates fixed on the rotating shaft, wherein the two chuck plates are connected through a cylindrical connecting block, the connecting block is positioned at the eccentric position of the chuck plate, the chuck plate is positioned in the separation groove, an insertion groove for limiting the printing plate is formed between the two chuck plates, a plurality of brush blocks are uniformly distributed on the inner side surface of the chuck plate, the clamping groove is composed of two partition plates which are longitudinally arranged at the bottom of the washing box and are parallel to the axis of the rotating shaft, and the width of the separation groove is greater than the; the rotating shaft is connected with a stepping motor.
The width of separating the groove is the interval between two baffles, the stereoplasm printing plate or the flexographic printing plate that are the rectangle are spacing in the slot, under the rotation of pivot, the brush piece scours the both sides face of printing plate respectively, and when the connecting block was located the position of being close to one of them baffle, it is more to be close to the brush piece of another baffle direction, the frictional resistance to the printing plate is bigger, make the printing plate move to the direction that is close to the brush piece, otherwise, the printing plate then moves to the opposite side, so relapse, can make the printing plate be in the state that longitudinal position, horizontal position all are constantly changed, the in-process that is promoted also is along with the relative motion with the brush piece, in order to wash the printing plate, cleaning efficiency is higher.
In the efficient printing plate washing mechanism, the partition plate is provided with the through holes for communicating water between the adjacent partition grooves.
The axes of the through holes are vertical to the chuck plate, when water flows are communicated between the adjacent separation grooves, the water flows in the axes of the through holes are larger, the printing plates can be washed in the direction parallel to the printing plates, the uniformity of water in the washing tank can also be improved, and the water quality meeting the requirement of the cleanliness in the washing tank can be maintained by continuously changing water.
In the efficient printing plate washing mechanism, the outer side surface of the chuck is provided with the stirring wheel.
The stirring wheel can stir the water of wasing the incasement at the rotatory in-process of (holding) chuck to improve the flow frequency of water and to the impact force of galley, improve cleaning performance and efficiency.
Drawings
Fig. 1 is a schematic structural view of the cleaning machine in a cleaning state.
Fig. 2 is a sectional view taken along a-a in fig. 1.
Fig. 3 is a sectional view taken along the direction B-B in fig. 1.
Fig. 4 is a cross-sectional view in the direction C-C in fig. 1.
Fig. 5 is a schematic view of the structure of the washing machine in a published state.
Fig. 6 is a cross-sectional view in the direction D-D of fig. 5.
Fig. 7 is a partial perspective view of the belt.
In the figure, 11, a cleaning tank; 12. printing plates; 13. a rotating shaft; 14. a stepping motor; 15. a pulley; 16. a toothed belt; 21. a chuck; 22. connecting blocks; 23. a slot; 24. brushing blocks; 25. a stirring wheel; 31. separating the grooves; 32. a partition plate; 33. an inter-via; 41. entering a plate guide groove; 42. a sleeve; 43. a linear motor; 44. a valve body; 45. an impeller; 46. a water through hole; 47. a water inlet pipe; 48. a water outlet pipe; 51. rotating the roller; 52. a belt; 53. a synchronizing gear; 54. a reduction motor; 55. water-absorbing cloth; 56. a publishing channel; 57. a squeegee; 58. a heater.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, 2, 3 and 4, the cleaning device comprises a cleaning box 11 with an opening at the upper end, a plurality of cleaning units are arranged in the cleaning box 11, each cleaning unit comprises a separation groove 31 arranged at the bottom of the cleaning box 11, a rotating shaft 13 rotatably connected to the cleaning box 11 and two chucks 21 fixed on the rotating shaft 13, the two chucks 21 are connected through a cylindrical connecting block 22, the connecting block 22 is positioned at the eccentric position of the chuck 21, the chucks 21 are positioned in the separation groove 31, an inserting groove 23 for limiting a printing plate 12 is formed between the two chucks 21, a plurality of brush blocks 24 are uniformly distributed on the inner side surface of the chuck 21, each clamping groove comprises a partition plate 32 which is longitudinally arranged at the bottom of the cleaning box 11 and is parallel to the axis of the rotating shaft 13, each separation groove 31 is composed of partition plates 32 of two adjacent cleaning units, cleaning liquid is filled in the cleaning box 11, and the width of; the rotating shaft 13 is connected with a stepping motor 14.
The outer side surface of the chuck 21 is provided with a stirring wheel 25. The agitating wheel 25 can agitate water in the cleaning tank 11 during rotation of the chuck 21 to increase the flow frequency of the water and the impact force on the printing plate, improving the cleaning effect and efficiency.
The width of the separation groove 31, that is, the distance between the two partition plates 32, is limited in the insertion groove 23, the brush block 24 brushes both sides of the printing plate 12 under the rotation of the rotating shaft 13, and when the connecting block 22 is located at a position close to one partition plate 32, the brush block 24 close to the other partition plate 32 is more, the friction resistance to the printing plate 12 is larger, so that the printing plate 12 moves towards the direction close to the brush block 24, otherwise, the printing plate 12 moves towards the other side, and by repeating the above steps, the printing plate 12 can be in a state that the longitudinal position and the transverse position are constantly changed, and the relative movement with the brush block 24 is also accompanied in the pushing process, so that the printing plate 12 is cleaned, and the cleaning efficiency is higher.
A plate insertion guide groove 41 that can correspond to the insertion groove 23 is provided in the cleaning tank 11. The plate-entering guide groove 41 is composed of two guide plates, and the upper end distance between the two guide plates is larger than the lower end distance.
As shown in fig. 1, 5, 6 and 7, a sleeve 42 is fixedly connected to an output shaft of the stepping motor 14, one end of the rotating shaft 13 is inserted into the sleeve 42, the rotating shaft 13 is connected with the sleeve 42 through a spline, the other end of the rotating shaft 13 is connected with a linear motor 43, the output shaft of the linear motor 43 is rotatably connected with the rotating shaft 13, a publishing mechanism common to all cleaning units is further arranged in the cleaning box 11, the publishing mechanism comprises two groups of conveying belts, each conveying belt comprises two rotating rollers 51 and a belt 52, one end of one rotating roller 51 is connected with a synchronizing gear 53, one rotating roller 51 is connected with a reducing motor 54, and the synchronizing gears 53 of the two conveying belts are meshed with each other; the outer side of the belt 52 is adhered with water absorbing cloth 55, and a publishing channel 56 is formed between the two belts 52.
After the printing plate 12 is cleaned, the chuck 21 clamps the printing plate, the rotating shaft 13 moves in the separation groove 31 under the action of the linear motor 43 and moves to the position below the publishing channel 56, the rotating shaft 13 continues to rotate slowly, when the connecting block 22 is positioned at the high position, the printing plate 12 can also be lifted to the highest position, namely the conveying belt can clamp the printing plate 12 into the publishing channel 56, and the two groups of conveying belts rotate reversely, so that the printing plate 12 moves from bottom to top in the publishing channel 56 until the printing plate extends out of the top of the cleaning box 11.
Each set of belts is provided with a scraper 57 fixed to the washing tank 11 and resting against a straight section of the belt 52 remote from the publication channel 56. While the belt is rotating continuously, the scraper 57 can wipe the water-absorbing cloth 55 on the outer wall surface of the belt 52, and the water-absorbing cloth 55 on the belt is kept in a dehydrated state, so that the dehydrating cloth can absorb water to the printing plates 12 which are moving upwards, and the cleaned printing plates 12 are dehydrated and dried.
A heater 58 is provided for each set of the conveyor belts, the heater 58 being located inside the belt 52, the heater 58 being fixed to the cleaning tank 11. During the cycle in which heater 58 is able to keep belt 52 relatively dry against the straight section of belt 52 that enters the nip of printing plates 12, printing plates 12 continue to be transported out and the dewatering cloth is continuously dewatered and dried.
As shown in fig. 4, a pulley 15 is fixedly disposed on each sleeve 42, the pulley 15 of each cleaning unit is pulled by a toothed belt 16, and an output shaft of the stepping motor 14 is connected to one of the sleeves 42.
As shown in fig. 1, a valve body 44 is fixedly arranged on an output shaft of the linear motor 43, an impeller 45 positioned in the valve body 44 is fixedly arranged on the rotating shaft 13, the rotating shaft 13 is rotatably connected with the valve body 44, a water through hole 46 communicating the valve body 44 with an inner cavity of the cleaning tank 11 is formed in the rotating shaft 13, a water inlet pipe 47 and a water outlet pipe 48 are connected on the valve body 44, and a one-way valve is respectively arranged on the water inlet pipe 47 and the water outlet pipe 48.
A clear water tank is connected to inlet tube 47, a sewage tank is connected to outlet pipe 48, the water in the check valve restriction sewage tank on the outlet pipe 48 gets into valve body 44, the check valve restriction clear water on the inlet tube 47 gets into the clear water tank by valve body 44, through the forward rotation and the counter-rotation of pivot 13, make the water that impeller 45 can drive in the washing case 11 get into in sewage tank or the clear water tank respectively and get into and wash case 11, thereby realize wasing the change of the incasement 11 water.
The partition plate 32 is provided with a communicating hole 33 for communicating water between the adjacent partition grooves 31. The axial line of the through hole 33 is vertical to the chuck 21, when water flows are communicated between the adjacent separation grooves 31, the axial line direction of the through hole 33 has larger water flow, the through hole can flush the printing plate in the direction parallel to the printing plate 12, the uniformity of water in the cleaning box 11 can also be improved, and the water quality meeting the requirement of the cleanliness in the cleaning box 11 can be maintained by continuously changing water.
The whole process can be briefly summarized as follows: the rotating shaft 13 intermittently switches the rotating direction under the action of the stepping motor 14, at the moment, the chuck plate 21 is positioned below the plate entering guide groove 41, the printing plate to be cleaned is inserted into the plate entering guide groove 41, the printing plate hanging furnace is arranged in the clamping groove, the stepping motor 14 rotates, so that the printing plate is washed by the cleaning liquid which is positioned below the belt 52 in the horizontal plane, the linear motor 43 then drives the spindle 13 to move, so that the chuck 21 is positioned below the publication channel 56, the rotation of the chuck 21, printing plates 12 can be fed into a position where belt 52 can contact, a measuring group conveyor belt feeds printing plates 12 out of washing tank 11, in the process, the impeller 45 rotates, so that the water in the water tank and the external water can be exchanged continuously in the continuous switching process of the forward rotation and the reverse rotation of the impeller 45, to refresh the cleaning liquid in the cleaning tank 11 and to accomplish dewatering and drying of the printing plate 12 during the publication process.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (3)
1. The high-efficiency washing mechanism for the printing plate is characterized by comprising a washing box (11) with an opening at the upper end, a separation groove (31) arranged at the bottom of the washing box (11), a rotating shaft (13) rotatably connected to the washing box (11) and two clamping discs (21) fixed on the rotating shaft (13), wherein the two clamping discs (21) are connected through a cylindrical connecting block (22), the connecting block (22) is positioned at the eccentric position of the clamping discs (21), the clamping discs (21) are positioned in the separation groove (31), an inserting groove (23) for limiting the printing plate (12) is formed between the two clamping discs (21), a plurality of brush blocks (24) are uniformly distributed on the inner side surface of each clamping disc (21), each clamping groove is formed by two partition plates (32) which are longitudinally arranged at the bottom of the washing box (11) and are parallel to the axis of the rotating shaft (13), and washing liquid is filled in the washing box (11), the width of the separation groove (31) is larger than the length of the printing plate; the rotating shaft (13) is connected with a stepping motor (14).
2. The efficient printing plate washing mechanism according to claim 1, wherein the partition plate (32) is provided with through holes (33) for communicating water between adjacent grooves (31).
3. The high-efficiency washing mechanism for printing plates according to claim 1 or 2, characterized in that the outer side surface of the chuck (21) is provided with a stirring wheel (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010465224.5A CN111469550A (en) | 2020-05-28 | 2020-05-28 | Efficient printing plate washing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010465224.5A CN111469550A (en) | 2020-05-28 | 2020-05-28 | Efficient printing plate washing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111469550A true CN111469550A (en) | 2020-07-31 |
Family
ID=71765178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010465224.5A Pending CN111469550A (en) | 2020-05-28 | 2020-05-28 | Efficient printing plate washing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111469550A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06198256A (en) * | 1992-12-28 | 1994-07-19 | Tokyo Process Service Kk | Cleaning and drying device for screen printing plate |
| CN103624029A (en) * | 2013-12-05 | 2014-03-12 | 镇江市顶智微电子科技有限公司 | Filling bottle rinsing system |
| CN206644464U (en) * | 2017-04-01 | 2017-11-17 | 龙海全晃旺包装资材有限公司 | A kind of novel printing version cleaning machine |
| CN107584881A (en) * | 2017-11-03 | 2018-01-16 | 余凤莲 | A kind of cleaning device for galley |
| CN109263273A (en) * | 2018-11-15 | 2019-01-25 | 梅州市志浩电子科技有限公司 | Silk-screen halftone automatic flushing device |
| CN213082701U (en) * | 2020-05-28 | 2021-04-30 | 湖北科技学院 | Efficient printing plate washing mechanism |
-
2020
- 2020-05-28 CN CN202010465224.5A patent/CN111469550A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06198256A (en) * | 1992-12-28 | 1994-07-19 | Tokyo Process Service Kk | Cleaning and drying device for screen printing plate |
| CN103624029A (en) * | 2013-12-05 | 2014-03-12 | 镇江市顶智微电子科技有限公司 | Filling bottle rinsing system |
| CN206644464U (en) * | 2017-04-01 | 2017-11-17 | 龙海全晃旺包装资材有限公司 | A kind of novel printing version cleaning machine |
| CN107584881A (en) * | 2017-11-03 | 2018-01-16 | 余凤莲 | A kind of cleaning device for galley |
| CN109263273A (en) * | 2018-11-15 | 2019-01-25 | 梅州市志浩电子科技有限公司 | Silk-screen halftone automatic flushing device |
| CN213082701U (en) * | 2020-05-28 | 2021-04-30 | 湖北科技学院 | Efficient printing plate washing mechanism |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20200731 |