CN117283972A - Printing plate mechanism of curved surface printing machine - Google Patents

Printing plate mechanism of curved surface printing machine Download PDF

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Publication number
CN117283972A
CN117283972A CN202311544497.9A CN202311544497A CN117283972A CN 117283972 A CN117283972 A CN 117283972A CN 202311544497 A CN202311544497 A CN 202311544497A CN 117283972 A CN117283972 A CN 117283972A
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CN
China
Prior art keywords
movable
positioning
plate
bevel gear
frame
Prior art date
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Granted
Application number
CN202311544497.9A
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Chinese (zh)
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CN117283972B (en
Inventor
魏育南
魏珏淇
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Guangdong Huasheng Meto Green Tech Holdings Ltd
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Guangdong Huasheng Meto Green Tech Holdings Ltd
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Priority to CN202311544497.9A priority Critical patent/CN117283972B/en
Publication of CN117283972A publication Critical patent/CN117283972A/en
Application granted granted Critical
Publication of CN117283972B publication Critical patent/CN117283972B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/08Cylinders
    • B41F13/10Forme cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F27/00Devices for attaching printing elements or formes to supports
    • B41F27/10Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders
    • B41F27/105Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders for attaching cylindrical printing formes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00Mounting or handling printing plates; Forming printing surfaces in situ

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)

Abstract

The invention discloses a printing plate mechanism of a curved surface printer, which comprises a movable supporting module and a printing unit, wherein the printing unit comprises a main shaft, a bevel gear, a preset module and a plate roller rotatably sleeved on the main shaft, the eccentric rotation of the main shaft is arranged on the movable supporting module, the outer periphery of one end of the main shaft is provided with an eccentric control module, the bevel gear is rotatably arranged on the outer periphery of the main shaft, one end of the plate roller is connected with one side of the bevel gear, and the movable supporting module is horizontally movably arranged on a frame so as to drive the plate roller to move from a working position in the frame to the outer side of the frame. Compared with the prior art, the beneficial effects are that: the movable supporting module enables the printing unit to be movably arranged in/outside the frame, so that the printing unit can be maintained conveniently, meanwhile, the whole structure of the movable supporting module is simple and convenient, and the manufacturing cost is low, so that the printing unit can be directly transformed and used on the existing equipment.

Description

Printing plate mechanism of curved surface printing machine
Technical Field
The invention relates to the technical field of printing machines, in particular to a printing plate mechanism of a curved surface printing machine.
Background
The curved surface printer comprises a large wheel on which a transfer blanket is fixed, various color plate roller assemblies matched with the large wheel, a material tray matched with the large wheel, a mould handle arranged on the material tray, and a main transmission shaft system for driving the large wheel and the material tray to rotate; the plate roller assembly comprises a mandrel, an inner shaft sleeve and an outer shaft sleeve are sequentially sleeved on the mandrel, a plate roller and a circumferential adjusting bevel gear device are sleeved on the outer shaft sleeve of the mandrel, a guide rod is connected between the circumferential adjusting bevel gear device and the plate roller, the plate roller assembly further comprises a mandrel pin penetrating through the mandrel and fixed with the mandrel, two ends of the mandrel pin penetrate through holes in the inner shaft sleeve and the outer shaft sleeve to be fixed with the circumferential adjusting bevel gear device, the plate roller assembly further comprises an inner shaft pin, and two ends of the inner shaft pin penetrate through the inner shaft sleeve to be fixed with the inner shaft sleeve and then penetrate through holes in the outer shaft sleeve to be fixed with the plate roller. The large wheel rotates, each color plate roller is colored on the transfer printing blanket of the large wheel and then transferred to a printing stock on a mold handle, so that the relative angle between a printing plate on each color plate roller assembly and a pattern on the large wheel in a printer needs to be adjusted, the position of the last plate roller printed on the printing stock is overlapped with the position of the next plate roller printed on the printing stock or has a preset distance, the process is commonly called plate alignment, however, the plate rollers of each printing unit need to be subjected to repeated plate alignment and startup debugging after shutdown maintenance/plate replacement.
Meanwhile, the whole structure of each color plate roller assembly of the curved surface printer is complex, and the later maintenance and replacement of the plate roller assembly are not facilitated.
To sum up, the Chinese patent publication number: CN110103569B, CN211390533U et al discloses a common printing press and a plate alignment mode, but the prior art has defects in circumferential plate alignment and plate replacement of a printing device, specifically as follows:
1. the printing device is integrally and fixedly arranged on the printing machine, so that the relative positions of the plate roller and the printing machine are fixed and cannot be movably arranged, and the plate roller in the printing device is not beneficial to maintenance and plate replacement.
2. The plate alignment structure is adjusted by combining an electric device with a visual sensor, so that the whole structure is more complex, the efficiency is low, and the manufacturing cost is improved.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a printing plate mechanism of a curved surface printing machine. The relative positions of the printing plate of the plate roller and the pattern on the large wheel can be quickly positioned and changed.
In order to achieve the above purpose, the invention discloses a printing plate mechanism of a curved surface printing machine, which comprises a movable supporting module and a printing unit, wherein the printing unit comprises a main shaft, a bevel gear, a pre-positioning module and a plate roller rotationally sleeved on the main shaft, the main shaft is eccentrically rotated and arranged on the movable supporting module, an eccentric control module is arranged at the periphery of one end of the main shaft, the bevel gear is rotationally arranged on the periphery of the main shaft, and one end of the plate roller is connected with one side of the bevel gear.
The pre-positioning module comprises a pre-positioning seat and a convex column, the pre-positioning seat is fixedly arranged on the movable supporting module, the convex column is fixedly arranged on the end face of the bevel gear, the eccentric control module is used for controlling the eccentric rotation angle of the main shaft to enable the bevel gear to be separated from the main gear of the printing machine, and rotating the bevel gear until the convex column is placed in the positioning position of the pre-positioning seat, so that a printing plate on the plate roller is positioned with the pattern position on the large wheel in the printing machine.
The movable supporting module is horizontally movably arranged on the frame, and further drives the plate roller to move from a working position in the frame to the outer side of the frame.
Further, the movable support module comprises a first support plate, a second support plate and at least two movable rods, the side wall on one side of the machine frame is provided with guide pipes matched with the two movable rods, one end of each movable rod penetrates through the side wall on one side in the machine frame and is in sliding connection with the inner hole of each guide pipe, and the other end of each movable rod penetrates through the side wall on the other side in the machine frame.
The bottom of the first supporting plate is fixedly connected with the peripheries of the two movable rods, one side of the second supporting plate is fixedly connected with the end parts of the other ends of the two movable rods, and a through hole for the plate roller to pass through is formed in the side wall of the other side of the frame.
Further, limit bolts are arranged between the outer side face of the second support plate and the outer side wall of the frame in a rotating mode, limit portions sliding along the movable rods are arranged on the first support plate, the limit portions are integrally formed with the first support plate, and the limit portions are in contact with the side walls in the frame to further limit the movable stroke of the movable support module.
Further, the number of the protruding columns is preferably two, the two protruding columns are circumferentially arranged on the side wall of the bevel gear respectively, and a locating concave position is formed in a gap between the two protruding columns.
The novel positioning device is characterized in that a swing arm is arranged on the pre-positioning seat, the swing arm is arranged on the pre-positioning seat in a swinging mode, a spring is arranged between the bottom of one side of the swing arm and the bottom in the pre-positioning seat, a positioning convex strip is arranged at the bottom of the swing arm, and the positioning convex strip is clamped with the positioning concave phase.
Further, a step part is arranged between the bottom of the swing arm and the side surface of the swing arm, a first avoidance position and a second avoidance position are arranged at the top of the step part, the positioning convex strips are arranged between the first avoidance position and the second avoidance position, the convex columns are arranged along the first avoidance position/the second avoidance position in a contact mode of the swing arm, and the swing arm is lifted upwards under the action of the spring to enable the positioning convex strips to be clamped in the positioning concave positions.
Further, a first connecting shaft and a second connecting shaft are eccentrically arranged at two ends of the main shaft respectively, the end part of the first connecting shaft penetrates through the second supporting plate, and the end part of the second connecting shaft penetrates through the first supporting plate;
the eccentric control module comprises a rotary table and a movable inserted link, wherein the rotary table is fixedly arranged on the periphery of the first connecting shaft, and the movable inserted link is fixedly arranged on the rotary table;
the outer side wall of the second supporting plate is annularly provided with a separation positioning hole, a semi-separation positioning hole and a meshing positioning hole in a distributed mode, and the end portion of one end of the movable inserting rod is arranged in any one of the separation positioning hole, the semi-separation positioning hole and the meshing positioning hole in a pluggable mode.
Further, still include gear level adjustment module, gear level adjustment module includes movable sleeve, regulation seat and regulating spindle, movable sleeve slide set up in the periphery of main shaft, the helical gear rotate set up in on the movable sleeve, the regulation seat fixed set up in on the second backup pad, the regulating spindle is located soon on the regulation seat, movable sleeve with regulating spindle swing joint, and then drive movable sleeve horizontal movement.
Further, the inner hole of the bevel gear is fixedly provided with a connecting sleeve, the inner side wall of the connecting sleeve is in rotary connection with the outer side of the movable sleeve, the bevel gear is fixedly arranged on the periphery of the connecting sleeve, and one end of the plate roller is connected with the connecting sleeve through a spline structure.
Further, a first limiting ring and a second limiting ring are fixedly arranged on the periphery of the tail end of the adjusting shaft, and a connecting position is formed between the first limiting ring and the second limiting ring.
The periphery of the movable sleeve is provided with a connecting rod, the side face of the connecting rod is provided with a through groove, and the through groove rotates around the connecting position when the movable sleeve rotates along with the main shaft.
And a compression bolt is spirally arranged between the outer side wall of the adjusting seat and the periphery of the adjusting shaft.
Compared with the prior art, the invention has the beneficial effects that:
1. the movable supporting module enables the printing unit to be movably arranged in/outside the frame, so that the printing unit can be maintained conveniently, meanwhile, the whole structure of the movable supporting module is simple and convenient, and the manufacturing cost is low, so that the printing unit can be directly transformed and used on the existing equipment.
2. The convex column on the bevel gear is clamped with the pre-positioning seat arranged on the movable supporting module, so that the rapid positioning and the opposite of the pattern on the printing plate of the plate roller and the large wheel of the printing machine are realized, and the whole structure and the operation mode are simple and efficient.
Drawings
FIG. 1 is a top view of the whole structure of the present embodiment;
FIG. 2 is a schematic cross-sectional view showing the overall structure of the printing unit of the present embodiment;
FIG. 3 is an exploded view of the overall structure of the printing unit of the present embodiment;
fig. 4 is a schematic diagram of a pre-positioning module according to the present embodiment.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings of fig. 1 to 4.
Referring to fig. 1, a printing plate mechanism of a curved surface printer comprises a frame 1, a movable supporting module 2 and a printing unit 3, wherein the printing unit 3 is fixedly arranged on the movable supporting module 2, the movable supporting module 2 is movably arranged in the frame 1 or outside the frame 1 in a penetrating manner, and then the printing unit 3 is driven to horizontally move from a working position in the frame 1 to pass through the frame 1 and be arranged outside the frame 1.
The movable support module 2 includes a first support plate 21, a second support plate 22, and a plurality of movable rods 23, and in this embodiment, the number of the plurality of movable rods 23 is two. The lateral wall of one side of the frame 1 is horizontally provided with guide pipes 11, and the number of the guide pipes 11 corresponds to the number of the movable rods 23.
Two movable rods 23 are respectively arranged on the frame 1 in a penetrating way, one end of each movable rod 23 penetrates through the side wall of one side in the frame 1 and is in sliding connection with the inner hole of the guide tube 11, and the other end of each movable rod 23 penetrates through the side wall of the other side in the frame 1. A linear bearing is arranged between the periphery of the movable rod 23 and the side wall of the frame 1.
The first support plate 21 is disposed between the two movable rods 23, the bottom of the first support plate 21 is fixedly connected with the outer circumferences of the two movable rods 23, and one side of the second support plate 22 is fixedly connected with the end part of the other end of the two movable rods 23. The printing unit 3 is disposed between the first support plate 21 and the second support plate 22. The side wall of the other side of the frame 1 is provided with a through hole 12 through which the printing unit 3 passes.
The side of the second support plate 22 is rotatably provided with a limit bolt 221, and the side wall of the other side of the frame 1 is provided with a locking screw hole (not shown in the figure). When the printing unit 3 works, the movable support module 2 is pushed to enable the second support plate 22 to be in contact with the frame 1, and then the limit bolts 221 are screwed into the locking threaded holes, so that the movable support module 2 is restrained on the frame 1. The position of the printing unit 3 when it is opposite to the large wheel in the frame 1 is the working position.
The first support plate 21 is provided with a stopper 211 that slides along the movable rod 23, and the stopper 211 is integrally formed with the first support plate 21. The limiting portion 211 is adjacent to the side wall of the other side of the frame 1. The movable support module 2 is pulled to move outwards until the limiting part 211 is contacted with the side wall in the frame 1, and the movable stroke of the movable support module 2 is limited by the limiting part 211.
Compare in prior art with printing unit fixed setting in the frame, this embodiment makes printing unit 3 movable setting in frame 1/outside frame 1 through setting up movable support module 2, and then is convenient for maintain printing unit 3, and movable support module 2 overall structure is simple convenient simultaneously, and low in manufacturing cost can directly reform transform the use on current equipment.
Referring to fig. 1 and 2, the printing unit 3 includes a main shaft 31, a bevel gear 32, a pre-positioning module 33, a gear level adjustment module 34, and a plate roller 35.
The plate roller 35 is coupled to the outer circumference of the main shaft 31 by a bearing.
The first connecting shaft 311 and the second connecting shaft 312 are eccentrically provided at both ends of the main shaft 31, respectively, and the first connecting shaft 311 and the second connecting shaft 312 are coaxially provided.
The end of the first connecting shaft 311 is disposed outside the second support plate 22 through the second support plate 22, and the outer circumference of the second connecting shaft 312 is disposed on the first support plate 21. When the printing unit 3 is set in the working position, the end of the second connecting shaft 312 is rotatably provided on the side wall in the frame 1.
The connection structure between the outer circumferences of the first connecting shaft 311 and the second connecting shaft 312 and the first and second support plates in this embodiment is a known technology, and will not be described here.
Referring to fig. 3 again, an eccentric control module 36 is disposed between the outer circumference of the first connecting shaft 311 and the second supporting plate 22, and the eccentric control module 36 includes a turntable 361 and a movable insert rod 362, where the turntable 361 is fixedly disposed on the outer circumference of the first connecting shaft 311.
The movable insert rod 362 is fixedly disposed on the turntable 361, and an end portion of one end of the movable insert rod 362 is disposed on the outer sidewall of the second support plate 22 in a pluggable manner through the turntable 361, and the connection structure between the movable insert rod 362 and the turntable 361 in this embodiment is a known technology and will not be described herein.
The outer side wall of the second support plate 22 is provided with a separation positioning hole 222, a semi-separation positioning hole 223 and an engagement positioning hole 224 in an annular distribution. The half-away positioning hole 223 and the engagement positioning hole 224 are disposed close to each other.
Further, the distance between the separating and positioning holes 222, 223 and 224 is determined according to the actual working requirement and the eccentric rotation angle of the main shaft 31.
When in engagement transmission, the rotary turntable 361 enables the first connecting shaft 311 and the second connecting shaft 312 to rotate so as to drive the main shaft 31 to eccentrically rotate, so that the bevel gear 32 is in engagement transmission with a main gear on the cup printing machine, and further drives the plate roller 35 to rotate, and meanwhile, the movable inserted rod 362 is inserted into the engagement positioning hole 224 so as to limit the circumferential movement range of the first connecting shaft 311;
when the plate roller 35 is not needed to print the surface of a printed product, the movable inserting rod 362 is pulled out and the rotary table 361 is rotated to enable the main shaft 31 to rotate so as to enable the bevel gear 32 to be in semi-engagement with the main gear on the cup printing machine, and meanwhile, the movable inserting rod 362 is inserted into the semi-separation positioning hole 223, and at the moment, the bevel gear 32 is in a semi-engagement state with the main gear in the printing machine, so that a gap between a printing plate on the plate roller 35 and a pattern on a large wheel in the printing machine is arranged, and when the printed product passes through, no printing work is performed;
when the plate roller 35 needs to be replaced and maintained, the movable insert rod 362 is pulled out to rotate the rotary table 361 and the movable insert rod 362 is inserted into the separation positioning hole 222, specifically, the rotary table 361 drives the first connecting shaft 311 and the second connecting shaft 312 to rotate when rotating so as to eccentrically rotate the main shaft 31, so that the bevel gear 32 is separated from the main gear on the cup printing machine.
Referring to fig. 2-3, the pre-positioning module 33 includes a pre-positioning seat 331 and a protruding column 332, where the pre-positioning seat 331 is fixedly disposed on an inner sidewall of the second support plate 22.
The number of the protruding columns 332 in this embodiment is preferably two, and the two protruding columns 332 are circumferentially disposed on the end surface of the bevel gear 32. A positioning recess 333 is formed between the two posts 332.
The pre-positioning seat 331 of this embodiment is U-shaped in vertical section.
The pre-positioning seat 331 is provided with a swing arm 334, and the swing arm 334 is parallel to the first connecting shaft 311. The swing arm 334 is provided with a rotation shaft on the front and rear outer sides, the rotation shaft is rotatably connected with the inner side wall of the pre-positioning seat 331, and the inner side wall of the pre-positioning seat 331 is provided with a connection hole matched with the rotation shaft.
A spring 335 is arranged between the bottom of one side of the swing arm 334, which is not adjacent to the bevel gear 32, and the bottom in the pre-positioning seat 331, two ends of the spring 335 are fixedly connected with the bottom of the swing arm 334 and the bottom in the pre-positioning seat 331 respectively, and the range of the swing arm 334 which swings up and down and the automatic reset after swinging are limited by the spring 335.
A step portion 334-1 is provided between the bottom of the swing arm 334 and the side surface thereof, and the step portion 334-1 is adjacent to the helical gear 32.
Referring to fig. 4 again, a first avoidance bit 334-11 and a second avoidance bit 334-12 for the contact between the convex column 332 and the swing arm 334 are provided on the top of the step portion 334-1, and a positioning protruding strip 334-13 is provided between the first avoidance bit 334-11 and the second avoidance bit 334-12.
In this embodiment, the first avoidance concave position and the second avoidance concave position are arc-shaped matched with the outer contour of the convex column.
When the bevel gear 32 is not engaged with the main gear of the printing machine and the printing plate on the plate roller 35 is replaced/maintained, the printing plate on the plate roller 35 needs to be aligned with the pattern on the large wheel in the printing machine, at this time, the bevel gear 32 is rotated to enable the convex column 332 to lift the swing arm 334 upwards through the swing arm 334 and then stop rotating, and the swing arm 334 enables the positioning convex strip 334-13 to be clamped in the positioning concave 333 under the elastic action, so that the position of the printing plate on the plate roller 35 is opposite to the position of the pattern on the large wheel.
Further, when the bevel gear 32 is engaged and rotated, the convex column 332 is driven to contact with the swing arm 334, and the swing arm 334 can swing up and down, so that interference is prevented from being generated to stop rotating.
Referring to fig. 2, the gear level adjustment module 34 includes a movable sleeve 341, an adjustment seat 342, and an adjustment shaft 343, the movable sleeve 341 being slidably disposed on the outer circumference of the main shaft 31
The fixed connecting sleeve 321 that is provided with in hole of helical gear 32, one side of connecting sleeve 321 inside wall passes through the outer turnover of bearing and movable sleeve 341 and is connected, passes through spline structure interconnect between the opposite side of connecting sleeve 321 inside wall and the one end of version roller 35. When the coupling sleeve 321 moves with the movable sleeve 341, the plate roller 35 does not move therewith, but the plate roller 35 follows when the coupling sleeve 321 rotates.
The adjusting seat 342 is fixedly arranged at the lower section of the outer side wall of the second supporting plate 22, an adjusting hole 344 is inwards arranged at the end of the adjusting seat 342 adjacent to the bevel gear 32, and an inner thread section is arranged on the inner wall of the adjusting hole 344.
The periphery of one end of the adjusting shaft 343 is provided with an external thread section, and the adjusting shaft 343 is rotatably arranged on the adjusting seat 342 through the cooperation of the external thread section and the internal thread section.
Referring to fig. 3 again, a first stop ring 345 and a second stop ring 346 are fixedly disposed on the outer periphery of the end of the adjusting shaft 343, and a connection position 347 is formed between the first stop ring 345 and the second stop ring 346.
Further, a connecting rod 348 is provided on the outer periphery of the movable sleeve 341, and the connecting rod 348 is integrally formed with the movable sleeve 341 in this embodiment. The side of the connecting rod 348 is provided with a through groove 348-1, one side of the through groove 348-1 is communicated with the bottom of the connecting rod 348, and the through groove 348-1 is movably arranged on the connecting position 347.
The two sides of the connecting rod 348 are respectively contacted with the first spacing ring 345 and the second spacing ring 346, and when the adjusting shaft 343 moves forwards and backwards, the movable sleeve 341 is driven to follow by the first spacing ring 345 and the second spacing ring 346.
When the main shaft 31 eccentrically rotates, the through groove 348-1 rotates around the connection position 347, ensuring that the connecting rod 348 is always disposed on the adjustment shaft 343.
Referring to fig. 2 and 3, further, a pressing bolt 349 is screwed on the outer sidewall of the adjustment base 342. The adjustment shaft 343 is tightened by rotating the hold-down bolt 349.
During operation, the compression bolt 349 is unscrewed, the relative position of the adjusting shaft 343 and the adjusting hole 344 is changed, so that the bevel gear 32 is moved horizontally, the meshing position of the bevel gear 32 and the main gear of the cup printing machine is adjusted, the meshing effect of the bevel gear 32 and the main gear is ensured, and the gear level adjusting module 34 is simple and efficient in integral structure and can be directly applied to the existing equipment.
The above embodiments are only for illustrating the technical concept and features of the present invention, and therefore, it is intended that the present invention can be understood by those skilled in the art and implemented according to the technical concept, and the present invention is not limited to the above embodiments, but modifications made according to the spirit and scope of the main technical solution of the present invention should be included in the scope of the present invention.

Claims (9)

1. A printing plate mechanism of a curved surface printing machine, which is characterized by comprising a movable supporting module (2) and a printing unit (3);
the printing unit (3) comprises a main shaft (31), a bevel gear (32) and a plate roller (35), wherein the main shaft (31) is eccentrically rotated and arranged on the movable supporting module (2), an eccentric control module (36) is arranged at the periphery of one end of the main shaft (31), the bevel gear (32) and the plate roller (35) are respectively rotationally sleeved on the periphery of the main shaft (31), one end of the plate roller (35) is connected with one side of the bevel gear (32), and the eccentric control module (36) is used for controlling the eccentric rotation angle of the main shaft (31) to enable the bevel gear (32) to be separated from a main gear of the printing machine;
a pre-positioning module (33) is arranged between the bevel gear (32) and the movable supporting module (2), the pre-positioning module (33) comprises a pre-positioning seat (331) and a convex column (332), the pre-positioning seat (331) is fixedly arranged on the movable supporting module (2), the convex column (332) is fixedly arranged on the end face of the bevel gear (32), and is arranged at the positioning position of the pre-positioning seat (331) along with the rotation of the bevel gear (32);
the movable supporting module (2) is horizontally movably arranged on the frame (1), and further drives the plate roller (35) to move from a working position in the frame (1) to the outer side of the frame (1).
2. Printing plate mechanism of a curved surface printing press according to claim 1, characterized in that the movable supporting module (2) comprises a first supporting plate (21), a second supporting plate (22) and at least two movable rods (23), the side wall of one side of the frame (1) is provided with a guide tube (11) matched with the two movable rods (23), one end of each movable rod (23) penetrates through the side wall of one side in the frame (1) to be in sliding connection with an inner hole of the guide tube (11), and the other end of each movable rod (23) penetrates through the side wall of the other side in the frame (1);
the bottom of the first supporting plate (21) is fixedly connected with the peripheries of the two movable rods (23), one side of the second supporting plate (22) is fixedly connected with the end parts of the other ends of the two movable rods (23), and a through hole (12) for the plate roller (35) to pass through is formed in the side wall of the other side of the frame (1).
3. Printing plate mechanism of a curved surface printing press according to claim 2, characterized in that a limit bolt (221) is screwed between the outer side surface of the second support plate (22) and the outer side wall of the frame (1), a limit part (211) sliding along the movable rod (23) is arranged on the first support plate (21), the limit part (211) is integrated with the first support plate (21), and the limit part (211) is in contact with the side wall in the frame (1) to limit the movable stroke of the movable support module (2).
4. The plate mechanism of a flexographic printing press according to claim 1, wherein the number of said studs (332) is two, the gap between two said studs (332) forming a positioning recess (333);
swing arms (334) are arranged on the pre-positioning seats (331) in a swinging mode, springs (335) are arranged between one sides of the swing arms (334) and the pre-positioning seats (331), positioning convex strips (334-13) are arranged at the bottoms of the swing arms (334), and the positioning convex strips (334-13) are movably clamped with the positioning concave positions (333).
5. The plate mechanism of a curved surface printer according to claim 4, wherein a step (334-1) is provided between the bottom of the swing arm (334) and the side surface thereof, a first avoidance bit (334-11) and a second avoidance bit (334-12) are provided on the top of the step (334-1), and the positioning protruding strip (334-13) is provided between the first avoidance bit (334-11) and the second avoidance bit (334-12);
the outer contours of the first avoidance bit (334-11) and the second avoidance bit (334-12) are arc-shaped and matched with the outer contour of the convex column (332).
6. Printing plate mechanism of a curved surface printing press according to claim 2, characterized in that a first connecting shaft (311) and a second connecting shaft (312) are eccentrically arranged at both ends of the main shaft (31), respectively, an end part of the first connecting shaft (311) is arranged on the second supporting plate (22) in a penetrating way, and an end part of the second connecting shaft (312) is arranged on the first supporting plate (21) in a penetrating way;
the eccentric control module (36) comprises a rotary table (361) and a movable inserting rod (362), the rotary table (361) is fixedly arranged on the periphery of the first connecting shaft (311), and the movable inserting rod (362) is fixedly arranged on the rotary table (361);
the outer side wall of the second supporting plate (22) is annularly provided with a separation positioning hole (222), a semi-separation positioning hole (223) and an engagement positioning hole (224), and the end part of one end of the movable inserted rod (362) is arranged in any one of the separation positioning hole (222), the semi-separation positioning hole (223) and the engagement positioning hole (224) in a pluggable manner.
7. The plate mechanism of a curved surface printer according to claim 2, further comprising a gear level adjustment module (34), wherein the gear level adjustment module (34) comprises a movable sleeve (341), an adjustment seat (342) and an adjustment shaft (343), the movable sleeve (341) is slidably disposed on the periphery of the main shaft (31), the bevel gear (32) is rotatably disposed on the movable sleeve (341), the adjustment seat (342) is fixedly disposed on the second support plate (22), the adjustment shaft (343) is rotatably disposed on the adjustment seat (342), and the movable sleeve (341) is in threaded connection with the adjustment shaft (343).
8. The plate mechanism of a curved surface printing press according to claim 7, wherein an inner hole of the bevel gear (32) is fixedly provided with a connecting sleeve (321), an inner side wall of the connecting sleeve (321) is in rotary connection with an outer periphery of the movable sleeve (341), the bevel gear (32) is fixedly arranged on an outer periphery of the connecting sleeve (321), and one end of the plate roller (35) is connected with the connecting sleeve (321) through a spline structure.
9. The printing plate mechanism of the curved surface printing press according to claim 8, wherein a first limit ring (345) and a second limit ring (346) are fixedly arranged on the periphery of the tail end of the adjusting shaft (343), and a connecting position (347) is formed between the first limit ring (345) and the second limit ring (346);
a connecting rod (348) is arranged on the periphery of the movable sleeve (341), and the tail end of the connecting rod (348) rotates around the connecting position (347);
compression bolts (349) are arranged between the outer side wall of the adjusting seat (342) and the periphery of the adjusting shaft (343) in a screwed mode.
CN202311544497.9A 2023-11-20 2023-11-20 Printing plate mechanism of curved surface printing machine Active CN117283972B (en)

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Publication number Priority date Publication date Assignee Title
GB1088659A (en) * 1965-08-20 1967-10-25 Dam Machine Corp Van Improvements in or relating to printing units
JP2000000954A (en) * 1998-06-16 2000-01-07 Mitsubishi Heavy Ind Ltd Axial direction register adjusting device for split plate cylinder
CN201092136Y (en) * 2007-10-29 2008-07-30 汕头市华盛塑料包装实业有限公司 Edition-touching roller pressure regulating device for curved press
CN101830100A (en) * 2010-05-22 2010-09-15 浙江宏华机械塑胶有限公司 Automatic proofreading component of cup printing machine
WO2016152360A1 (en) * 2015-03-24 2016-09-29 昭和アルミニウム缶株式会社 Plate cylinder
CN211106183U (en) * 2019-10-12 2020-07-28 无锡长城机器制造有限公司 Printing pressure adjusting device of flexographic printing machine
CN212046365U (en) * 2020-01-07 2020-12-01 义乌古当翌彩印有限公司 Quick dismounting device of mitsubishi printing machine version roller
CN213199186U (en) * 2020-08-24 2021-05-14 瑞安市振邦印刷机械有限公司 Adjusting device of ink transfer mechanism of printing machine
CN216939905U (en) * 2022-04-11 2022-07-12 威海职业学院(威海市技术学院) Ball valve case grinding device for mechatronic
CN219055737U (en) * 2022-12-27 2023-05-23 金华市飞腾印业有限公司 Printing device for carton packaging
CN116461203A (en) * 2023-03-28 2023-07-21 武汉庆诚包装印刷有限公司 Green and environment-friendly printing equipment and printing process

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1088659A (en) * 1965-08-20 1967-10-25 Dam Machine Corp Van Improvements in or relating to printing units
JP2000000954A (en) * 1998-06-16 2000-01-07 Mitsubishi Heavy Ind Ltd Axial direction register adjusting device for split plate cylinder
CN201092136Y (en) * 2007-10-29 2008-07-30 汕头市华盛塑料包装实业有限公司 Edition-touching roller pressure regulating device for curved press
CN101830100A (en) * 2010-05-22 2010-09-15 浙江宏华机械塑胶有限公司 Automatic proofreading component of cup printing machine
WO2016152360A1 (en) * 2015-03-24 2016-09-29 昭和アルミニウム缶株式会社 Plate cylinder
CN211106183U (en) * 2019-10-12 2020-07-28 无锡长城机器制造有限公司 Printing pressure adjusting device of flexographic printing machine
CN212046365U (en) * 2020-01-07 2020-12-01 义乌古当翌彩印有限公司 Quick dismounting device of mitsubishi printing machine version roller
CN213199186U (en) * 2020-08-24 2021-05-14 瑞安市振邦印刷机械有限公司 Adjusting device of ink transfer mechanism of printing machine
CN216939905U (en) * 2022-04-11 2022-07-12 威海职业学院(威海市技术学院) Ball valve case grinding device for mechatronic
CN219055737U (en) * 2022-12-27 2023-05-23 金华市飞腾印业有限公司 Printing device for carton packaging
CN116461203A (en) * 2023-03-28 2023-07-21 武汉庆诚包装印刷有限公司 Green and environment-friendly printing equipment and printing process

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