CN117420740A - Printing down device for offset printing - Google Patents
Printing down device for offset printing Download PDFInfo
- Publication number
- CN117420740A CN117420740A CN202311741275.6A CN202311741275A CN117420740A CN 117420740 A CN117420740 A CN 117420740A CN 202311741275 A CN202311741275 A CN 202311741275A CN 117420740 A CN117420740 A CN 117420740A
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- plate
- fixedly connected
- close
- photosensitive
- sliding
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- 238000007639 printing Methods 0.000 title claims abstract description 28
- 238000007645 offset printing Methods 0.000 title claims abstract description 27
- 238000013016 damping Methods 0.000 claims abstract description 27
- 239000011521 glass Substances 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 12
- 239000004677 Nylon Substances 0.000 claims description 9
- 229920001778 nylon Polymers 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 8
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 239000002775 capsule Substances 0.000 claims description 3
- 206010070834 Sensitisation Diseases 0.000 abstract description 36
- 230000008313 sensitization Effects 0.000 abstract description 36
- 239000007788 liquid Substances 0.000 description 28
- 238000005406 washing Methods 0.000 description 16
- 238000004140 cleaning Methods 0.000 description 14
- 239000007921 spray Substances 0.000 description 10
- 230000002265 prevention Effects 0.000 description 7
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
- G03F7/2002—Exposure; Apparatus therefor with visible light or UV light, through an original having an opaque pattern on a transparent support, e.g. film printing, projection printing; by reflection of visible or UV light from an original such as a printed image
- G03F7/2014—Contact or film exposure of light sensitive plates such as lithographic plates or circuit boards, e.g. in a vacuum frame
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
- G03F7/2002—Exposure; Apparatus therefor with visible light or UV light, through an original having an opaque pattern on a transparent support, e.g. film printing, projection printing; by reflection of visible or UV light from an original such as a printed image
- G03F7/2014—Contact or film exposure of light sensitive plates such as lithographic plates or circuit boards, e.g. in a vacuum frame
- G03F7/2016—Contact mask being integral part of the photosensitive element and subject to destructive removal during post-exposure processing
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/30—Imagewise removal using liquid means
- G03F7/3092—Recovery of material; Waste processing
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/70908—Hygiene, e.g. preventing apparatus pollution, mitigating effect of pollution or removing pollutants from apparatus
- G03F7/70925—Cleaning, i.e. actively freeing apparatus from pollutants, e.g. using plasma cleaning
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Plasma & Fusion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
The invention discloses a plate copying device for offset printing, which relates to the technical field of photoengraving equipment and comprises a defoaming mechanism, wherein the defoaming mechanism is arranged above the inner side surface of the device and is used for clamping the edge of a photosensitive plate, and then the defoaming mechanism pushes the photosensitive plate to slide downwards to be close to the surface of an original plate. This printing down device for offset printing, the cylinder moves downwards at the medial surface of slide rail, drive the sensitization version and be close to the original edition, the bottom of clamping component and cooperation board and prevent remaining the top of mechanism and contact and closely laminate, manual rotation damping roller, press the subassembly by rotate to the sensitization version directly over the position, two press the subassembly to the sensitization version press down simultaneously and laminate with the original edition, at this moment, the sensitization version is with clamping component and cooperation board between the frictional slip, thereby solve the problem that is difficult to eliminate the bubble in the middle of original edition and sensitization version with gas suction and influence printing down quality.
Description
Technical Field
The invention relates to the technical field of photoengraving equipment, in particular to a plate copying device for offset printing.
Background
A plate-copying machine is a contact exposure imaging equipment for making printing plate, and utilizes pressure to make original plate tightly adhere to photosensitive plate so as to make the image on original plate accurately sun-print on photosensitive plate by means of photochemical reaction, and is mainly formed from light source device, exposure chamber, vacuum chamber, electric appliance portion and machine base, and is characterized by that the plate-making process is special, so that the plate-making environment has relatively high requirements, and the plate-making workshop has good sealing property, and can prevent direct irradiation of strong light.
The prior art printing plate copying device for offset printing has the problems that the air bubbles between the original plate and the photosensitive plate are difficult to eliminate by sucking air due to structural design defects, so that the printing quality is influenced, and the unexposed part easily remained on the photosensitive plate is influenced.
Disclosure of Invention
The present invention provides a printing plate copying apparatus for offset printing, which solves the problems mentioned in the background art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a plate copying device for offset printing comprises a device body, wherein the top of the device body is rotatably connected with a shading cover, the lower position of the inner side surface of the device body is fixedly connected with an irradiation lamp, and the upper position of the surface of the device body is fixedly connected with an air pipe; further comprises:
the defoaming mechanism is arranged above the inner side surface of the device body and used for clamping the edge of the photosensitive plate, then the defoaming mechanism pushes the photosensitive plate to slide downwards to be close to the surface of the original plate, and gas between the photosensitive plate and the original plate is extracted in the pushing process; the defoaming mechanism comprises a clamping assembly, wherein the surface of the clamping assembly is connected with a matching plate through threads, the top of the matching plate is rotationally connected with a damping roller, the surface of the damping roller is fixedly connected with a press-cover assembly, the clamping assembly and the matching plate are mutually close to clamp the edge position of the photosensitive plate, the damping roller is manually rotated, the press-cover assembly is rotated to the position right above the photosensitive plate, and downward pushing force is applied to the photosensitive plate by the press-cover assembly;
the residue prevention mechanism is arranged at the position, close to the defoaming mechanism, of the inner side surface of the device body, the photosensitive plate is tightly attached to the original plate for uniform exposure under the pushing of the press-covering assembly, after exposure is finished, the residue prevention mechanism is close to the photosensitive plate for flushing, and flushing water is discharged out of the device body after fully contacting the photosensitive plate.
Preferably, the upper position fixedly connected with slide rail of device medial surface, the medial surface sliding connection of slide rail has the slide cylinder, the fixed surface of slide cylinder is connected with flexible motor, flexible motor's output and clamping assembly's fixed surface are connected, place the original edition in the top position of preventing remaining mechanism, and the handheld sensitization version of staff, flexible motor drive clamping assembly are close to each other, and the clamping assembly of opposite direction setting carries out the centre gripping with the both sides of sensitization version, and then, the cooperation board is close to sensitization version and carries out in close contact with its other side.
Preferably, the clamping assembly comprises a sliding plate, the surface of the sliding plate is fixedly connected with the output end of the telescopic motor, and a rubber capsule is fixedly connected to the lower position of the inner side surface of the sliding plate.
Preferably, the fixed surface of sliding plate is connected with and drives the motor, the sliding plate surface is close to the fixed position that rubber was capsulated and is connected with the slider, the below position fixedly connected with vacuum pump on sliding plate surface, current device is direct to place the sensitization version in the top position of original edition, again to the inside extraction gas of the device body make sensitization version and laminating, in fact, the bubble that the pressure covers between sensitization version and the original edition is difficult to by the extraction, and easily causes the position offset between the two plates.
Preferably, the press-cover assembly comprises a wire winding device, the surface of the wire winding device is fixedly connected with the surface of the damping roller, and a rubber tube is fixedly connected to the position, close to the wire winding device, of the surface of the damping roller.
Preferably, the medial surface cover of rubber tube is equipped with the promotion body, the surface fixedly connected with nylon rope of promotion body, the top fixedly connected with push pedal of promotion body, the surface of nylon rope is connected with the output of admission machine.
Preferably, the residue prevention mechanism comprises a supporting component, the surface of the supporting component is fixedly connected with the inner side surface of the device body, an air cylinder is fixedly connected with the bottom of the inner side surface of the device body, the output end of the air cylinder is rotationally connected with a glass plate, the clamping component and the matching plate apply downward sliding resistance to the photosensitive plate, the pressing component overcomes the sliding resistance to push the photosensitive plate to move downwards to be close to the original plate, the clamping component, the matching plate, the glass plate and the bottom of the photosensitive plate form a relative sealing cavity, and along with the gradual downward movement of the photosensitive plate, gas between the photosensitive plate and the original plate is extracted until the two plates are completely attached.
Preferably, the surface fixedly connected with of glass board is along the sideboard, the top fixedly connected with of supporting component extends the subassembly, one side that the glass board is close to supporting component is provided with the slip end.
Preferably, the support assembly comprises an arc-shaped plate, the surface of the arc-shaped plate is fixedly connected with the inner side surface of the device body, and the surface of the arc-shaped plate is in sliding connection with the surface of the glass plate.
Preferably, the water hole has been seted up to one side that arc bottom is close to the glass board, the arc surface is close to the position fixedly connected with communicating pipe of water hole, the arc surface is close to the position fixedly connected with baffle of terminal surface, and after the exposure, the top position at the glass board is placed to the sensitization version, and when the electronic jar drove the water plate and is close to the sensitization version, double folding board extension makes the shower nozzle be close to the surface of sensitization version, simultaneously, double folding board makes the water spray direction of shower nozzle and the plane of sensitization version have certain angle.
Preferably, the extension assembly comprises a limiting plate, the surface of limiting plate and the upper position fixed connection on arc surface, the surface of limiting plate rotates and is connected with the double-folded plate, the fixed surface of limiting plate is connected with electronic jar, and electronic jar drives the board that leads to the water and is close to the sensitization version, and the side position and the clamping assembly and the cooperation board in this moment of sensitization version closely contact, and the inside of leading to the water board lets in the washing liquid, and the hole is seted up on the surface of double-folded plate to make electronic jar pass the double-folded plate and drive the board that leads to the water and remove.
Preferably, one side of the double-folding plate far away from the limiting plate is rotationally connected with a water through plate, the surface of the water through plate is fixedly connected with a spray head, and the output end of the electric cylinder is rotationally connected with the surface of the water through plate.
The invention provides a plate copying device for offset printing. The beneficial effects are as follows:
1. this printing down device for offset printing, the cylinder moves downwards at the medial surface of slide rail, drive the sensitization version and be close to the original edition, the bottom of clamping component and cooperation board and prevent remaining the top of mechanism and contact and closely laminate, manual rotation damping roller, press the subassembly by rotate to the sensitization version directly over the position, two press the subassembly to the sensitization version press down simultaneously and laminate with the original edition, at this moment, the sensitization version is with clamping component and cooperation board between the frictional slip, thereby solve the problem that is difficult to eliminate the bubble in the middle of original edition and sensitization version with gas suction and influence printing down quality.
2. This offset printing is with device of printing down forms the rectangle cross-section between sliding plate and the cooperation board to the length and the width of adaptation sensitization version are spacing to the sensitization version, and the damping roller is rotated, and the nylon rope is received the line by the spooler pulling and is carried out the line, and the medial surface at the rubber tube is established to the surface cover of pushing body, and frictional resistance is applyed to the pushing body to the rubber tube, and the pulling of nylon rope makes the pushing body overcome the resistance and promotes the push pedal, and the damping of damping roller makes the push pedal firm to apply the press-cover power, and two push pedal subtend settings press-cover the sensitization version, and unilateral atress skew and bubble produced when avoiding sensitization version and original edition laminating.
3. This offset printing is with device of printing down, the exposure back of sensitization version closes the illumination lamp, and extension subassembly is close to sensitization version blowout washing liquid, and at this moment, the glass board is in straight state, and the washing liquid can not flow out fast but remain certain time on the surface of sensitization version, can prevent along the sideboard that the washing liquid from soaking into the inside of the device body and causing the pollution, and the cylinder drives glass board and rotates downwards, and the glass board passes through the slip end and rotates the washing liquid and discharge through supporting component, has solved the problem that the easy part of remaining unexposed on the sensitization version influences the printing quality.
4. This offset printing is with device of printing down, at the shower nozzle by the in-process that drives the removal, rivers can wash the surface of sensitization version more effectively, the cylinder drives the glass board and rotates, the photosensitive material after the washing liquid mixes the washing is along glass board flow to the limbers, the washing liquid flows to communicating pipe through the limbers and collects, the arc structure of arc supports the slip of glass board, the baffle avoids the washing liquid to flow through the slip end, do benefit to sensitization version and washing liquid fully reaction when the glass board is in straight state, the slope rotation of glass board can collect the washing liquid fast.
5. This offset printing is with device of printing down, flexible motor can drive the flexible removal of sliding plate, flexible motor can drive sliding plate rotary motion simultaneously, the washing liquid washes the sensitization version through the shower nozzle, drive motor drive lead screw rotation makes the joining in marriage the board and carry out the centre gripping to the sensitization version, joining in marriage the board and the sliding plate is the rubber material, joining in marriage the board and can effectively hinder the flow of washing liquid when joining in marriage the board and the sliding plate looks, thereby increase the contact time of washing liquid and sensitization version, joining in marriage the board and when sliding plate separates, when glass board leans left right, the flow direction of washing liquid is different, make the washing liquid fully wash away sensitization version surface unexposed partial material.
Drawings
FIG. 1 is a perspective view of the whole of a printing plate copying apparatus for offset printing according to the present invention;
FIG. 2 is a perspective view of a portion of a printing plate copying apparatus for offset printing according to the present invention;
FIG. 3 is a schematic diagram of the defoaming mechanism of the present invention;
FIG. 4 is a schematic view of a clamping assembly according to the present invention;
FIG. 5 is a schematic view of a press-on assembly according to the present invention;
FIG. 6 is a schematic structural view of the residue prevention mechanism of the present invention;
FIG. 7 is a schematic view of a support assembly according to the present invention;
fig. 8 is a schematic structural view of the extension assembly of the present invention.
In the figure: 1. a device body; 2. a defoaming mechanism; 21. a slide rail; 22. a telescopic motor; 23. a clamping assembly; 231. a sliding plate; 232. driving a motor; 233. a vacuum pump; 234. a slide block; 235. rubber capsules; 24. matching plates; 25. damping roller; 26. a press-coating assembly; 261. a wire winding device; 262. a rubber tube; 263. nylon ropes; 264. a pushing body; 265. a push plate; 3. a residue prevention mechanism; 31. a support assembly; 311. an arc-shaped plate; 312. a water through hole; 313. a communicating pipe; 314. a baffle; 32. an extension assembly; 321. a limiting plate; 322. a double folding plate; 323. an electric cylinder; 324. a water-passing plate; 325. a spray head; 33. a cylinder; 34. a glass plate; 35. a sliding end; 36. edge plates; 4. a light shielding cover; 5. a radiation lamp; 6. and (5) an air pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
First embodiment: as shown in fig. 1-3, the present invention provides a technical solution: a printing down device for offset printing comprises a device body 1, wherein the top of the device body 1 is rotatably connected with a shading cover 4, the lower part of the inner side surface of the device body 1 is fixedly connected with an irradiation lamp 5, and the upper part of the surface of the device body 1 is fixedly connected with an air pipe 6; further comprises:
the defoaming mechanism 2 is arranged above the inner side surface of the device body 1 and is used for clamping the edge of the photosensitive plate, and then the defoaming mechanism 2 pushes the photosensitive plate to slide downwards to be close to the surface of the original plate, and gas between the photosensitive plate and the original plate is extracted in the pushing process; the defoaming mechanism 2 comprises a clamping assembly 23, wherein the surface of the clamping assembly 23 is connected with a matching plate 24 through threads, the top of the matching plate 24 is rotationally connected with a damping roller 25, the surface of the damping roller 25 is fixedly connected with a press-cover assembly 26, the clamping assembly 23 and the matching plate 24 are mutually close to each other to clamp the edge position of a photosensitive plate, the damping roller 25 is manually rotated to rotate the press-cover assembly 26 to the position right above the photosensitive plate, and downward pushing force is applied to the photosensitive plate by using the press-cover assembly 26;
a slide rail 21 is fixedly connected to the upper position of the inner side surface of the device body 1, a slide cylinder is slidably connected to the inner side surface of the slide rail 21, a telescopic motor 22 is fixedly connected to the surface of the slide cylinder, and the output end of the telescopic motor 22 is fixedly connected with the surface of a clamping assembly 23;
the residue prevention mechanism 3 is arranged at the position, close to the defoaming mechanism 2, of the inner side surface of the device body 1, the photosensitive plate is closely attached to the original plate for uniform exposure under the pushing of the press-covering assembly 26, after exposure is finished, the residue prevention mechanism 3 is close to the photosensitive plate for flushing, and flushing water is discharged out of the device body 1 after being fully contacted with the photosensitive plate.
When the anti-residue mechanism is used, a original plate is placed at the upper position of the anti-residue mechanism 3, a worker holds the photosensitive plate by hand, the telescopic motor 22 drives the clamping assemblies 23 to mutually approach, the opposite clamping assemblies 23 clamp the two sides of the photosensitive plate, then the matched plate 24 approaches the photosensitive plate and closely contacts with the other side surfaces of the photosensitive plate, the sliding cylinder moves downwards on the inner side surface of the sliding rail 21 to drive the photosensitive plate to approach the original plate, the bottoms of the clamping assemblies 23 and the matched plate 24 are preferentially contacted with the top of the anti-residue mechanism 3 and closely attached, the damping roller 25 is manually rotated, the pressing assemblies 26 are rotated to the position right above the photosensitive plate, and the two pressing assemblies 26 simultaneously press the photosensitive plate downwards and attach the original plate to the original plate, at the moment, the photosensitive plate slides in a friction way between the clamping assemblies 23 and the matched plate 24, so that the problem that air bubbles in the middle of the original plate and the photosensitive plate are difficult to eliminate when sucking air, and the quality of the original plate is affected is solved.
Second embodiment: as shown in fig. 3, fig. 4 and fig. 5, the clamping assembly 23 comprises a sliding plate 231, the surface of the sliding plate 231 is fixedly connected with the output end of the telescopic motor 22, a rubber bag 235 is fixedly connected to the lower position of the inner side surface of the sliding plate 231, a driving motor 232 is fixedly connected to the surface of the sliding plate 231, a sliding block 234 is fixedly connected to the position of the surface of the sliding plate 231, a vacuum pump 233 is fixedly connected to the lower position of the surface of the sliding plate 231, the press-cover assembly 26 comprises a wire collector 261, the surface of the wire collector 261 is fixedly connected with the surface of the damping roller 25, a rubber tube 262 is fixedly connected to the surface of the damping roller 25, a pushing body 264 is sleeved on the inner side surface of the rubber tube 262, a nylon rope 263 is fixedly connected to the surface of the pushing body 264, a pushing plate 265 is fixedly connected to the top of the pushing body 264, and the surface of the pushing body 263 is connected with the output end of the wire collector 261.
When the device is used, the existing device is used for directly placing the photosensitive plate above the original plate, then the gas is extracted from the device body 1 to enable the photosensitive plate to be attached to the original plate, in practice, the compressed air bubbles between the photosensitive plate and the original plate are not easy to extract, the position between the two plates is easy to deviate, a rectangular section is formed between the sliding plate 231 and the matching plate 24, the photosensitive plate is limited by adapting the length and the width of the photosensitive plate, the damping roller 25 is rotated, the nylon rope 263 is pulled by the wire takeup 261 to take up the photosensitive plate, the surface of the pushing body 264 is sleeved on the inner side surface of the rubber tube 262, the rubber tube 262 applies frictional resistance to the pushing body 264, the pushing body 264 overcomes the resistance to push the pushing plate 265, the damping roller 25 dampens the pushing plate 265 to firmly apply the compressing force, and the two pushing plates 265 are oppositely arranged to compress the photosensitive plate, so that the air bubbles are prevented from being generated due to the single-side stress deflection when the photosensitive plate is attached to the original plate.
Third embodiment: as shown in fig. 3 and 6, the surface of the clamping component 23 is connected with a matching plate 24 through threads, the top of the matching plate 24 is rotationally connected with a damping roller 25, the surface of the damping roller 25 is fixedly connected with a press-cover component 26, the clamping component 23 and the matching plate 24 are mutually close to clamp the edge position of the photosensitive plate, the damping roller 25 is manually rotated to rotate the press-cover component 26 to the position right above the photosensitive plate, and downward pushing force is applied to the photosensitive plate by the press-cover component 26;
the upper position fixedly connected with slide rail 21 of device body 1 medial surface, the medial surface sliding connection of slide rail 21 has the jar, the fixed surface of jar is connected with flexible motor 22, the output of flexible motor 22 and the fixed surface connection of clamping component 23, prevent remaining mechanism 3 includes supporting component 31, the surface of supporting component 31 and the medial surface fixed connection of device body 1, the bottom fixedly connected with cylinder 33 of device body 1 medial surface, the output of cylinder 33 rotates and is connected with glass plate 34, the fixed surface of glass plate 34 is connected with along limit board 36, the top fixedly connected with extension subassembly 32 of supporting component 31, one side that glass plate 34 is close to supporting component 31 is provided with sliding end 35.
When the device is used, the clamping assembly 23 and the matching plate 24 apply downward sliding resistance to the photosensitive plate, the pressing assembly 26 overcomes the sliding resistance to push the photosensitive plate to move downwards to be close to the original plate, the clamping assembly 23, the matching plate 24, the glass plate 34 and the bottom of the photosensitive plate form a relative sealed cavity, along with gradual downward movement of the photosensitive plate, gas between the photosensitive plate and the original plate is extracted until the two plates are completely attached, the irradiation lamp 5 is closed after exposure of the photosensitive plate, the extension assembly 32 is close to the photosensitive plate to spray cleaning liquid, at the moment, the glass plate 34 is in a straight state, the cleaning liquid cannot flow out rapidly and is reserved on the surface of the photosensitive plate for a certain time, the edge plate 36 can prevent the cleaning liquid from being immersed into the device body 1 to cause pollution, the air cylinder 33 drives the glass plate 34 to rotate downwards, the glass plate 34 is discharged through the supporting assembly 31 through the rotation of the sliding end 35, and the problem that the unexposed part on the photosensitive plate is easy to remain to influence the printing quality is solved.
Fourth embodiment: as shown in fig. 6, 7 and 8, the supporting component 31 includes an arc plate 311, the surface of the arc plate 311 is fixedly connected with the inner side surface of the device body 1, the surface of the arc plate 311 is slidably connected with the surface of the glass plate 34, a water through hole 312 is formed in one side of the bottom of the arc plate 311, which is close to the glass plate 34, a communicating pipe 313 is fixedly connected to the surface of the arc plate 311, a baffle 314 is fixedly connected to the surface of the arc plate 311, the extending component 32 includes a limiting plate 321, the surface of the limiting plate 321 is fixedly connected with the upper position of the surface of the arc plate 311, the surface of the limiting plate 321 is rotatably connected with a double-folded plate 322, the surface of the limiting plate 321 is fixedly connected with an electric cylinder 323, one side of the double-folded plate 322, which is far away from the limiting plate 321, is rotatably connected with a water through plate 324, a spray head 325 is fixedly connected with the surface of the water through hole 324, and the output end of the electric cylinder 323 is rotatably connected with the surface of the water through plate 324.
When the device is used, after exposure is finished, the photosensitive plate is placed at the upper position of the glass plate 34, when the electric cylinder 323 drives the water-through plate 324 to be close to the photosensitive plate, the double-folding plate 322 is expanded to enable the spray head 325 to be close to the surface of the photosensitive plate, meanwhile, the double-folding plate 322 enables the water spraying direction of the spray head 325 to be at a certain angle with the plane of the photosensitive plate, in the process that the spray head 325 is driven to move, water flow can more effectively clean the surface of the photosensitive plate, the air cylinder 33 drives the glass plate 34 to rotate, photosensitive materials after cleaning liquid is mixed and washed flow to the water-through hole 312 along the glass plate 34, cleaning liquid flows to the communicating pipe 313 through the water-through hole 312 to be collected, the arc-shaped structure of the arc-shaped plate 311 supports sliding of the glass plate 34, the baffle 314 prevents the cleaning liquid from flowing out through the sliding end 35, full reaction of the photosensitive plate and the cleaning liquid is facilitated when the glass plate 34 is in a straight state, and the cleaning liquid can be rapidly collected through the inclined rotation of the glass plate 34.
Fifth embodiment: as shown in fig. 4 and 8, the surface of the sliding plate 231 is fixedly connected with the output end of the telescopic motor 22, the lower position of the inner side surface of the sliding plate 231 is fixedly connected with a rubber bag 235, the surface of the sliding plate 231 is fixedly connected with a driving motor 232, the position of the surface of the sliding plate 231, which is close to the rubber bag 235, is fixedly connected with a sliding block 234, the lower position of the surface of the sliding plate 231 is fixedly connected with a vacuum pump 233, the surface of the limiting plate 321 is fixedly connected with the upper position of the surface of the arc plate 311, the surface of the limiting plate 321 is rotationally connected with a double-folded plate 322, the surface of the limiting plate 321 is fixedly connected with an electric cylinder 323, one side, which is far away from the limiting plate 321, of the double-folded plate 322 is rotationally connected with a water through plate 324, the surface of the water through plate 324 is fixedly connected with a spray head 325, and the output end of the electric cylinder 323 is rotationally connected with the surface of the water through plate 324.
When the cleaning device is used, the electric cylinder 323 drives the water passing plate 324 to be close to the photosensitive plate, at the moment, the side surface of the photosensitive plate is closely contacted with the clamping assembly 23 and the matching plate 24, cleaning liquid is introduced into the water passing plate 324, holes are formed in the surface of the double-folding plate 322, so that the electric cylinder 323 passes through the double-folding plate 322 to drive the water passing plate 324 to move, the telescopic motor 22 can drive the sliding plate 231 to move in a telescopic manner, meanwhile, the telescopic motor 22 can drive the sliding plate 231 to move in a rotary manner, the cleaning liquid washes the photosensitive plate through the spray nozzle 325, the motor 232 is driven to drive the screw rod to rotate, so that the matching plate 24 clamps the photosensitive plate, the matching plate 24 and the sliding plate 231 are made of rubber materials, the matching plate 24 and the sliding plate 231 can effectively block the flow when being combined, the contact time of the cleaning liquid and the photosensitive plate is prolonged, and when the matching plate 24 and the sliding plate 231 are separated, the glass plate 34 is inclined leftwards and rightwards, and the cleaning liquid is different in the flowing direction, so that the unexposed part materials on the surface of the photosensitive plate is fully washed by the cleaning liquid.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The statement "comprising an element defined by … … does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Claims (10)
1. The plate copying device for offset printing comprises a device body (1), wherein the top of the device body (1) is rotatably connected with a shading cover (4), the lower position of the inner side surface of the device body (1) is fixedly connected with an irradiation lamp (5), and the upper position of the surface of the device body (1) is fixedly connected with an air pipe (6); characterized by further comprising:
the defoaming mechanism (2) is arranged above the inner side surface of the device body (1) and is used for clamping the edge of the photosensitive plate, and then the defoaming mechanism (2) pushes the photosensitive plate to slide downwards to be close to the surface of the original plate, and gas between the photosensitive plate and the original plate is extracted in the pushing process; the defoaming mechanism (2) comprises a clamping assembly (23), a matching plate (24) is connected to the surface of the clamping assembly (23) through threads, a damping roller (25) is rotationally connected to the top of the matching plate (24), a press cover assembly (26) is fixedly connected to the surface of the damping roller (25), the clamping assembly (23) and the matching plate (24) are mutually close to each other, the edge position of a photosensitive plate is clamped, the damping roller (25) is manually rotated, the press cover assembly (26) is rotated to the position right above the photosensitive plate, and downward pushing force is applied to the photosensitive plate by the press cover assembly (26);
the anti-residue mechanism (3) is arranged at the position, close to the defoaming mechanism (2), of the inner side surface of the device body (1), the photosensitive plate is tightly attached to the original plate for uniform exposure under the pushing of the press-covering assembly (26), after exposure is finished, the anti-residue mechanism (3) is close to the photosensitive plate for flushing, and flushing water is discharged out of the device body (1) after fully contacting the photosensitive plate.
2. A printing plate copying apparatus for offset printing according to claim 1, wherein: the device is characterized in that a sliding rail (21) is fixedly connected to the upper position of the inner side surface of the device body (1), a sliding cylinder is slidably connected to the inner side surface of the sliding rail (21), a telescopic motor (22) is fixedly connected to the surface of the sliding cylinder, and the output end of the telescopic motor (22) is fixedly connected with the surface of a clamping assembly (23).
3. A printing plate copying apparatus for offset printing according to claim 2, wherein: the clamping assembly (23) comprises a sliding plate (231), the surface of the sliding plate (231) is fixedly connected with the output end of the telescopic motor (22), and a rubber bag (235) is fixedly connected to the lower position of the inner side surface of the sliding plate (231).
4. A printing plate copying apparatus for offset printing according to claim 3, wherein: the surface of the sliding plate (231) is fixedly connected with a driving motor (232), a sliding block (234) is fixedly connected to the surface of the sliding plate (231) at a position close to a rubber capsule (235), and a vacuum pump (233) is fixedly connected to the lower position of the surface of the sliding plate (231).
5. A printing plate copying apparatus for offset printing according to claim 4, wherein: the press cover assembly (26) comprises a wire winding device (261), the surface of the wire winding device (261) is fixedly connected with the surface of the damping roller (25), and a rubber tube (262) is fixedly connected to the surface of the damping roller (25) close to the wire winding device (261).
6. A printing plate copying apparatus for offset printing according to claim 5, wherein: the inner side of the rubber tube (262) is sleeved with a pushing body (264), the surface of the pushing body (264) is fixedly connected with a nylon rope (263), the top of the pushing body (264) is fixedly connected with a push plate (265), and the surface of the nylon rope (263) is connected with the output end of the wire winding device (261).
7. A printing plate copying apparatus for offset printing according to claim 1, wherein: the anti-residue mechanism (3) comprises a supporting component (31), the surface of the supporting component (31) is fixedly connected with the inner side surface of the device body (1), the bottom of the inner side surface of the device body (1) is fixedly connected with a cylinder (33), and the output end of the cylinder (33) is rotationally connected with a glass plate (34).
8. A printing plate copying apparatus for offset printing according to claim 7, wherein: the surface fixing of glass board (34) is connected with along limit board (36), the top fixedly connected with of supporting component (31) extends subassembly (32), one side that glass board (34) is close to supporting component (31) is provided with slip end (35).
9. A printing plate copying apparatus for offset printing according to claim 8, wherein: the supporting component (31) comprises an arc-shaped plate (311), the surface of the arc-shaped plate (311) is fixedly connected with the inner side surface of the device body (1), and the surface of the arc-shaped plate (311) is in sliding connection with the surface of the glass plate (34).
10. A printing plate copying apparatus for offset printing according to claim 9, wherein: the water through hole (312) is formed in one side, close to the glass plate (34), of the bottom of the arc-shaped plate (311), a communicating pipe (313) is fixedly connected to the position, close to the water through hole (312), of the surface of the arc-shaped plate (311), and a baffle (314) is fixedly connected to the position, close to the end face, of the surface of the arc-shaped plate (311).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311741275.6A CN117420740B (en) | 2023-12-18 | 2023-12-18 | Printing down device for offset printing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311741275.6A CN117420740B (en) | 2023-12-18 | 2023-12-18 | Printing down device for offset printing |
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| CN117420740A true CN117420740A (en) | 2024-01-19 |
| CN117420740B CN117420740B (en) | 2024-03-15 |
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| CN214151366U (en) * | 2021-01-26 | 2021-09-07 | 厦门家乐宏电子科技有限公司 | Printing-down machine with shielding device |
| CN214606452U (en) * | 2020-12-22 | 2021-11-05 | 广东明腾达包装彩印科技有限公司 | Printing-down mechanism for color-page printing |
| CN219122566U (en) * | 2022-11-26 | 2023-06-02 | 长沙生鑫印刷器材有限公司 | Silk screen printing plate printing machine |
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|---|---|---|---|---|
| CN110018619A (en) * | 2019-04-30 | 2019-07-16 | 朱苗红 | Offset printing plate burning device |
| CN212276213U (en) * | 2020-05-18 | 2021-01-01 | 安徽金彩防伪技术有限公司 | Vacuum printing-down machine |
| CN111624847A (en) * | 2020-06-16 | 2020-09-04 | 杭州羽邦印务有限公司 | Printing-down machine |
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| CN117420740B (en) | 2024-03-15 |
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Denomination of invention: A plate drying device for offset printing Granted publication date: 20240315 Pledgee: Qingyuan City District Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Qingyuan Fubang color printing industry Co.,Ltd. Registration number: Y2024980044280 |