CN220808840U

CN220808840U - Version roller proofing machine

Info

Publication number: CN220808840U
Application number: CN202322771066.8U
Authority: CN
Inventors: 樊培康; 李超
Original assignee: FUZHOU QUANYUN PLATEMAKING CO LTD
Current assignee: FUZHOU QUANYUN PLATEMAKING CO LTD
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-04-19
Anticipated expiration: 2033-10-16

Abstract

The application relates to the technical field of plate roller proofing machine structures, and discloses a plate roller proofing machine which solves the problem that vibration is generated when a scraper plate is used in the prior art. According to the application, the locking piece can be adjusted to enable the compression block to move towards the direction where the fixed block is located, so that the fixed block and the compression block are matched to clamp the supporting rod, the stability of the doctor blade is improved, and vibration is prevented.

Description

Version roller proofing machine

Technical Field

The application relates to the technical field of plate roller proofing machine structures, in particular to a plate roller proofing machine.

Background

The plate roller proofing machine is a device for checking and displaying the plate making quality of a gravure printing roller, and can simulate the working principle of a printing machine, and ink is directly stamped on a substrate from rubber roller pits, so that the hue and effect of the ink are accurately predicted. The plate roller proofing machine can be used for color comparison before on-machine of trademark, folding paper box, flexible package and other materials to determine the correct proportion of ink and display before printing, so that the color matching work is completely converted into the work before printing.

In the prior art, the structure of the plate roller proofing machine mainly comprises the following parts:

printing plate substrate: typically seamless steel or aluminum pipe, is cut, welded, turned, ground, etc., to a certain length, diameter, wall thickness, parallelism, and surface finish.

Copper plating: electroplating a copper layer with high purity, fine particles, smoothness, uniformity and moderate hardness on the surface of the printing plate substrate to serve as a working surface for electronic engraving.

Electronic engraving system: and engraving on the copper plating layer by controlling an electric engraving needle through a computer according to parameters such as a certain net line, a certain net angle, a certain curve and the like according to the manuscript or the design image file to form pit net points.

And (3) a chromium plating layer: after the electronic engraving is finished, a thin chromium layer is plated on the copper plating layer to protect the surface of the printing plate from being worn by ink and a doctor blade, and the printing plate printing resistance is improved.

Embossing roller: a large diameter cylindrical drum is coated with a layer of rubber or other elastomeric material for contact with the template roller and compaction to transfer ink from the pits to the substrate.

A doctor blade: a sheet made of metal or plastic is arranged above a template roller and is contacted with the template roller at a certain angle, so that the sheet is used for scraping off redundant ink, and only the ink in a pit is transferred.

The clamping device comprises: a mechanical device for fixing and adjusting the position of a template roller comprises two types, namely a shaft type and a shaftless type, and the template roller can be adjusted according to different specifications and diameters.

And (3) a control system: an electric system for controlling the operation and parameter setting of each part of a plate-making roller proofing machine comprises hydraulic control, pneumatic control, PLC program control and other modes, and can realize automatic or manual operation.

A display system: a visual system for monitoring and displaying the working state and the proofing effect of a plate roller proofing machine comprises components such as a photoelectric focusing lens, a display screen, a cross line and the like, and can ensure the transfer printing effect and the color register precision.

Aiming at the related technology, when the plate roller proofing machine is used for feeding, pigment is mainly attached to the plate roller through the scraping knife so as to carry out a test, and the clamping device of the scraping knife mainly adopts an adjusting screw to adjust the position.

Disclosure of utility model

In order to solve the problem that vibration is generated when the scraper plate is used in the prior art, the application provides a plate roller proofing machine.

The following technical scheme is adopted:

The utility model provides a version roller proof press, includes base, impression roller, template roller, doctor blade and clamping device, the impression roller with template roller parallel rotation connect in the base, the doctor blade passes through clamping device connect in on the base, the edge of a knife of doctor blade is close to the template roller, the base includes connecting rod and regulating part, clamping device includes two connecting strips and bracing piece, the bracing piece passes through the regulating part connect in on the connecting rod, two connecting strip one end is connected the bracing piece, the other end is from both sides clamping the doctor blade, set up fixed block and compact heap on the connecting rod, the fixed block with compact heap parallel arrangement, the bracing piece set up with between the fixed block with the compact heap, fixed block one end is connected the connecting rod, the other end butt bracing piece, compact heap one end is connected through the retaining member the connecting rod, the other end butt bracing piece.

By adopting the technical scheme, in the prior art, the diameters of the template rollers have different specifications, and the distance between the support rod and the template rollers needs to be adjusted through the adjusting piece, so that the doctor blade can just have a gap for scraping ink with the template rollers; through adjusting the retaining member for the compact heap moves to the direction that the fixed block was located, thereby makes fixed block and compact heap cooperation press from both sides the bracing piece tightly, thereby produces more stable connection to the bracing piece, and the bracing piece that is connected with the connecting rod through the regulating member is strong in vibration when the operation of version roller proof press in order to avoid, leads to the template roller fish tail.

Optionally, a gap with a thickness greater than that of the doctor blade exists between the two connecting strips and is close to the supporting strip, the connecting strips are perpendicular to the plane where the doctor blade is located, a plurality of fixing bolts penetrate through the connecting strips, fixing nuts are arranged at the tail ends of the fixing bolts, and the fixing bolts penetrate through the gap.

Through adopting above-mentioned technical scheme, make the deformation of connecting strip to a certain extent through the clearance for the doctor blade can be by further pressing from both sides tightly, and fixing bolt cooperation fixation nut makes the connection between two connecting strips more stable.

Optionally, the connecting rod has seted up a plurality of first regulation holes along length direction array, the bracing piece is in a plurality of first regulation hole corresponds the position and has seted up a plurality of second regulation holes, first regulation hole with the second regulation hole all is provided with the internal thread, the regulating part is for wearing to establish first regulation hole gets into the bolt in the second regulation hole.

Through adopting above-mentioned technical scheme, through rotating the regulating part, the distance between the relative connecting rod of support bar to the distance between the relative template roller of doctor blade that connects on the regulating connection strip, in order to promote printing quality.

Optionally, the first locking hole has been seted up to the compact heap, set up on the connecting rod quantity with a plurality of second locking holes that the compact heap corresponds, first locking hole with the second locking hole all is provided with the internal thread, the retaining member is for wearing to establish first locking hole extremely the bolt in the second locking hole.

By adopting the technical scheme, stable connection is provided for the support rod, and the support rod is prevented from vibrating to drive the scraping knife to scratch the template roller when the plate roller proofing machine runs.

Optionally, the base still includes pedestal and alignment jig, the pedestal is connected ground, the embossing roller with the template roller all set up in on the pedestal, alignment jig one end rotate connect in on the pedestal, the other end passes through the connecting rod is connected the doctor blade with clamping device, be provided with the drive on the pedestal the alignment jig is to being close to or keeping away from the driving piece that the template roller direction removed.

Through adopting above-mentioned technical scheme, drive the relative pedestal of alignment jig through the driving piece and rotate, control the doctor blade and be close to or keep away from the template roller, conveniently debug or change the template roller.

Optionally, the alignment jig includes pivot, two support arms and two rotating arms, the pivot is parallel the bracing piece sets up, the pivot rotate connect in on the pedestal, two the support arm perpendicular connect in the both ends of pivot, the support arm is kept away from the one end of pivot is connected the connecting rod, two the rotating arm connect in the both ends of pivot, the driving piece output is connected the rotating arm.

By adopting the technical scheme, the adjusting frame rotates around the rotating shaft, so that the clamping device and the doctor blade are driven to move towards the direction close to or far away from the template roller.

Optionally, the rotating arm includes link and power end, the power end with the link is the angle setting, the power end is parallel the support arm, the spout has been seted up along length direction to the power end, the driving piece is flexible cylinder, the driving piece output is provided with the slide bar, slide bar sliding connection in the spout, the slide bar diameter equals the spout width.

Through adopting above-mentioned technical scheme, slide bar butt spout inner wall to promote the power end and move, thereby drive the pivot through the link and rotate.

Optionally, an extension groove is formed in one end, far away from the rotating shaft, of the support arm along the length direction, extension rods capable of penetrating into the extension groove are arranged at two ends of the connecting rod, teeth are formed in one side of each extension rod along the length, gears are arranged on one support arm, and the gears extend into the extension groove to be meshed with the teeth.

Through adopting above-mentioned technical scheme for the connecting rod can be parallel to the pivot and remove, and when the connecting rod position was adjustable, adjustment process was also more stable.

In summary, the present application includes at least one of the following beneficial effects:

1. the locking piece is adjusted, so that the compression block moves towards the direction of the fixed block, the fixed block and the compression block are matched to clamp the supporting rod, the stability of the doctor blade is improved, and vibration is prevented;

2. The distance between the supporting bar and the connecting rod is adjusted by rotating the adjusting piece so as to adjust the distance between the scraping knife connected with the connecting bar and the template roller, thereby improving the printing quality.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of the structure of the adjusting frame;

Figure 3 is a schematic view of a support arm in cross-section.

Reference numerals illustrate: 1. a base; 11. a driving member; 111. a slide bar; 2. an adjusting frame; 21. a rotating shaft; 22. a support arm; 221. an expansion slot; 222. a gear; 23. a rotating arm; 231. a connection end; 232. a power end; 2321. a chute; 24. a connecting rod; 241. an expansion rod; 242. teeth; 243. a first adjustment aperture; 244. a second locking hole; 25. an adjusting member; 251. a fixed block; 252. a compaction block; 253. a first locking hole; 254. a locking member; 3. a support rod; 31. a second adjustment aperture; 32. a connecting strip; 321. a gap; 322. a fixing bolt; 323. a fixing nut; 4. an embossing roller; 5. a template roller; 6. a doctor blade.

Detailed Description

The present application will be described in further detail with reference to fig. 1 to 3.

Referring to fig. 1 and 2, an embodiment of the present application discloses a plate roller proofing machine, which comprises a base, an embossing roller 4, a template roller 5, a doctor blade 6 and a clamping device. The embossing roller 4 is rotatably connected in parallel with the template roller 5 in the base. The surface of the template roller 5 is engraved with working surface electronically, copper plated and chromium plated, generally seamless steel pipe or aluminum material, and is cut, welded, turned, ground, etc. to a certain length, diameter, wall thickness, parallelism and surface finish. The embossing roll 4 is a large diameter cylindrical roll, the surface of which is coated with a layer of rubber or other elastomeric material for contact with and compaction by the template roll 5 to transfer ink from the working surface to the substrate. The doctor blade 6 is installed above the template roller 5 and contacts with the template roller at a certain angle, and is used for scraping off redundant ink, so that only the ink in the pits is transferred. The doctor blade 6 is attached to the base by clamping means.

Referring to fig. 1 and 2, in particular, the base includes a base 1 and an adjusting frame 2, and an embossing roller 4 and a template roller 5 are rotatably connected in the base 1, and the base 1 is connected to the ground. One end of the adjusting frame 2 is rotatably connected to the base 1, the other end is connected with the doctor blade 6 and the clamping device through a connecting rod 24, and a driving piece 11 for driving the adjusting frame 2 to move towards or away from the template roller 5 is arranged on the base 1. The driving member 11 is a stepping motor. The adjusting frame 2 is driven to rotate relative to the base 1 by the driving piece 11, so that the clamping device connected to the adjusting frame 2 and the doctor blade 6 move relative to the template roller 5, and the doctor blade 6 is controlled to be close to or far away from the template roller 5, so that the template roller 5 can be conveniently debugged or replaced. The clamping device comprises two connecting strips 32 and a supporting rod 3, the supporting rod 3 is connected to the connecting rod 24 through an adjusting piece 25, one end of the two connecting strips 32 is connected with the supporting rod 3, the other end of the two connecting strips clamps the doctor blade 6 from two sides, a fixed block 251 and a compression block 252 are arranged on the connecting rod 24, the fixed block 251 and the compression block 252 are arranged in parallel, the supporting rod 3 is arranged between the fixed block 251 and the compression block 252, one end of the fixed block 251 is connected with the connecting rod 24, the other end of the fixed block 251 is connected with the supporting rod 3 in a butt mode, one end of the compression block 252 is connected with the connecting rod 24 through a locking piece 254, and the other end of the fixed block 251 is connected with the supporting rod 3 in a butt mode.

Referring to fig. 2 and 3, further, the adjusting bracket 2 includes a rotation shaft 21, two support arms 22, and two rotation arms 23. The rotating shaft 21 is arranged in parallel with the supporting rods, the rotating shaft 21 is rotatably connected to the base body 1, the two supporting arms 22 are vertically connected to the two ends of the rotating shaft 21, and the distance between the two supporting arms 22 is larger than the length of the embossing roller 4. One end of the supporting arm 22 far away from the rotating shaft 21 is connected with a connecting rod 24, two rotating arms 23 are connected to two ends of the rotating shaft 21, and the output end of the driving piece 11 is connected with the rotating arms 23. The adjusting frame 2 rotates by taking the rotating shaft 21 as an axis, the driving piece 11 controls the rotating angle of the adjusting frame 2 through the rotating arm 23, and when the rotating shaft 21 rotates, the supporting rod 3 connected with the rotating shaft 21 through the supporting arm 22 moves along with the rotating shaft, so that the clamping device and the doctor blade 6 are driven to move towards a direction approaching or away from the template roller 5.

Referring to fig. 3, further, an expansion slot 221 is formed at one end of the support arm 22 far away from the rotating shaft 21 along the length direction, expansion rods 241 capable of penetrating into the expansion slot 221 are arranged at two ends of the connecting rod 24, teeth 242 are arranged on one side of one expansion rod 241 along the length direction, a gear 222 is arranged on one support arm 22, and the gear 222 extends into the expansion slot 221 to be meshed with the teeth 242. The gear 222 is rotated so as to push one of the expansion rods 241 meshed with the gear 222 through the teeth 242 to slide in the expansion groove 221, and the other expansion rod 241 is not provided with the teeth 242 and only slides relatively with the expansion groove 221, so that the expansion rods 241 on two sides are balanced, the connecting rod 24 can move parallel to the rotating shaft 21, and the adjusting process is more stable while the position of the connecting rod 24 is adjustable.

Referring to fig. 2 and 3, further, the rotating arm 23 includes a connection end 231 and a power end 232, the power end 232 is disposed at an angle with the connection end 231, the power end 232 is parallel to the support arm 22, the power end 232 is provided with a sliding slot 2321 along a length direction, the driving member 11 is a telescopic cylinder, the output end of the driving member 11 is provided with a sliding rod 111, the sliding rod 111 is slidably connected in the sliding slot 2321, and the diameter of the sliding rod 111 is equal to the width of the sliding slot 2321. The driving piece 11 stretches out and draws back the output to drive slide bar 111 and slide in spout 2321, because slide bar 111 diameter equals spout 2321 width, and power end 232 is the angle setting with link 231, when driving piece 11 output motion, slide bar 111 butt spout 2321 inner wall, and promote power end 232 to move, thereby drive pivot 21 through link 231 and rotate.

Referring to fig. 2 and 3, further, the connecting rod 24 is provided with a plurality of first adjusting holes 243 along the length direction, the supporting rod 3 is provided with a plurality of second adjusting holes 31 at positions corresponding to the plurality of first adjusting holes 243, the first adjusting holes 243 and the second adjusting holes 31 are both provided with internal threads, and the adjusting member 25 is a bolt penetrating through the first adjusting holes 243 and entering the second adjusting holes 31. The adjusting piece 25 is in threaded connection with the first adjusting hole 243 and the second adjusting hole 31, the adjusting piece 25 is rotated to enable the supporting rod 3 to move along the length direction of the adjusting piece 25 relative to the supporting rod, so that the position between the supporting rod 3 and the connecting rod 24 is adjusted, the distance between the doctor blade 6 connected to the connecting rod 32 relative to the template roller 5 is controlled, and the doctor blade 6 can scrape ink more uniformly and properly in thickness, so that printing quality is improved.

Referring to fig. 2 and 3, further, the pressing block 252 is provided with a first locking hole 253, the connecting rod 24 is provided with a plurality of second locking holes 244 corresponding to the pressing block 252, the first locking holes 253 and the second locking holes 244 are respectively provided with internal threads, and the locking pieces 254 are bolts penetrating through the first locking holes 253 to the second locking holes 244. The retaining member 254 cooperates with the first retaining hole 253 and the second retaining hole 244, and the nut of the retaining member 254 is abutted on the compression block 252, so that the retaining member 254 can be hooked to drive the compression block 252 to move when being screwed, and meanwhile, the retaining member 254 can be self-locked with the connecting rod 24, and the compression block 252 can clamp the support rod 3 tightly by cooperating with the fixing block 251 in the process of moving the compression block 252 to the fixing block 251, so that stable connection is provided for the support rod 3, and the support rod 3 can vibrate to drive the doctor blade 6 to scratch the template roller 5 when the plate roller proofing machine is prevented from running.

Referring to fig. 2 and 3, further, a gap 321 with a thickness greater than that of the doctor blade 6 is formed between the two connecting strips 32 near the supporting strip, and the width of the gap 321 gradually decreases from the supporting strip to the direction near the ground until the thickness of the gap 321 is the same as that of the doctor blade 6. Allowing the connecting strip 32 to grip the doctor blade 6 through the end to prevent deformation of the connecting strip 32 over time, resulting in instability in the grip of the doctor blade 6. At the same time, the connecting strip 32 is deformed to a certain extent by the gap 321, so that the doctor blade 6 can be clamped further. The connecting strip 32 is perpendicular to the plane of the doctor blade 6 and is provided with a plurality of fixing bolts 322 in a penetrating way, fixing nuts 323 are arranged at the tail ends of the fixing bolts 322, the fixing bolts 322 penetrate through gaps 321, and the fixing bolts 322 are matched with the fixing nuts 323 to extrude the two connecting strips 32 towards the direction close to each other so as to provide more stable connection for the doctor blade 6.

The embodiment of the application provides a plate roller proofing machine, which is implemented by the following principle:

In the prior art, the diameters of the template rollers 5 have different specifications, and the distance between the support rods 3 and the template rollers 5 needs to be adjusted through the adjusting piece 25, so that the doctor blade 6 can precisely form a gap 321 for scraping ink with the template rollers 5; through adjusting the retaining member 254, make the compact heap 252 to the fixed block 251 place the orientation remove to make fixed block 251 and compact heap 252 cooperation press from both sides tightly bracing piece 3, thereby produce more stable connection to bracing piece 3, in order to avoid only through the bracing piece 3 that regulating member 25 and connecting rod 24 are connected vibration intensity when the version roller proofing machine operation, lead to the template roller 5 fish tail.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a version roller proof press, includes base, impression roller (4), template roller (5), doctor blade (6) and clamping device, impression roller (4) with template roller (5) parallel rotation connect in the base, doctor blade (6) pass through clamping device connect in on the base, the edge of a knife of doctor blade (6) is close to template roller (5), its characterized in that: the base includes connecting rod (24) and regulating part (25), clamping device includes two connecting strips (32) and bracing piece (3), bracing piece (3) pass through regulating part (25) connect in on connecting rod (24), two connecting strip (32) one end are connected bracing piece (3), the other end is from both sides clamp doctor blade (6), set up fixed block (251) and compact heap (252) on connecting rod (24), fixed block (251) with compact heap (252) parallel arrangement, bracing piece (3) set up with fixed block (251) with between compact heap (252), fixed block (251) one end is connected connecting rod (24), other end butt bracing piece (3), compact heap (252) one end is passed through retaining member (254) and is connected connecting rod (24), the other end butt bracing piece (3).

2. The plate roller proofing machine according to claim 1, wherein: the position between two connecting strips (32) near the supporting strip is provided with a gap (321) with a thickness larger than that of the doctor blade (6), the connecting strips (32) are perpendicular to the plane where the doctor blade (6) is located, a plurality of fixing bolts (322) are arranged in a penetrating mode, fixing nuts (323) are arranged at the tail ends of the fixing bolts (322), and the fixing bolts (322) penetrate through the gap (321).

3. The plate roller proofing machine according to claim 1, wherein: the connecting rod (24) is provided with a plurality of first adjusting holes (243) along the length direction array, the supporting rod (3) is provided with a plurality of second adjusting holes (31) at a plurality of positions corresponding to the first adjusting holes (243), the first adjusting holes (243) and the second adjusting holes (31) are all provided with internal threads, and the adjusting piece (25) is a bolt penetrating through the first adjusting holes (243) and entering the second adjusting holes (31).

4. The plate roller proofing machine according to claim 1, wherein: the compression block (252) is provided with a first locking hole (253), the connecting rod (24) is provided with a plurality of second locking holes (244) corresponding to the compression block (252), the first locking holes (253) and the second locking holes (244) are both provided with internal threads, and the locking piece (254) is a bolt penetrating through the first locking holes (253) to the second locking holes (244).

5. The plate roller proofing machine according to claim 1, wherein: the base still includes pedestal (1) and alignment jig (2), the ground is connected to pedestal (1), embossing roller (4) with template roller (5) all set up in on the pedestal (1), alignment jig (2) one end rotate connect in on the pedestal (1), the other end is passed through connecting rod (24) are connected doctor blade (6) with clamping device, be provided with the drive on the pedestal (1) alignment jig (2) to be close to or keep away from driving piece (11) that template roller (5) direction removed.

6. The plate roller proofing machine according to claim 5, wherein: the adjusting frame (2) comprises a rotating shaft (21), two supporting arms (22) and two rotating arms (23), wherein the rotating shaft (21) is parallel to the supporting rods (3), the rotating shaft (21) is rotationally connected to the base body (1), the two supporting arms (22) are perpendicularly connected to two ends of the rotating shaft (21), one end of each supporting arm (22) away from the rotating shaft (21) is connected with the corresponding connecting rod (24), the two rotating arms (23) are connected to two ends of the rotating shaft (21), and the output end of the driving piece (11) is connected with the corresponding rotating arm (23).

7. The plate roller proofing machine according to claim 6, wherein: the rotating arm (23) comprises a connecting end (231) and a power end (232), the power end (232) is arranged at an angle with the connecting end (231), the power end (232) is parallel to the supporting arm (22), a sliding groove (2321) is formed in the power end (232) along the length direction, the driving piece (11) is a telescopic cylinder, a sliding rod (111) is arranged at the output end of the driving piece (11), the sliding rod (111) is connected with the sliding groove (2321) in a sliding mode, and the diameter of the sliding rod (111) is equal to the width of the sliding groove (2321).

8. The plate roller proofing machine according to claim 7, wherein: an expansion groove (221) is formed in one end, far away from the rotating shaft (21), of the supporting arm (22) along the length direction, an expansion rod (241) capable of penetrating into the expansion groove (221) is arranged at two ends of the connecting rod (24), teeth (242) are formed in one side of the expansion rod (241) along the length, a gear (222) is arranged on one supporting arm (22), and the gear (222) stretches into the expansion groove (221).