CN114953713B - One-fold double-specification conversion mechanism of rotary press - Google Patents
One-fold double-specification conversion mechanism of rotary press Download PDFInfo
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- CN114953713B CN114953713B CN202210902355.4A CN202210902355A CN114953713B CN 114953713 B CN114953713 B CN 114953713B CN 202210902355 A CN202210902355 A CN 202210902355A CN 114953713 B CN114953713 B CN 114953713B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
- B41F13/56—Folding or cutting
- B41F13/58—Folding or cutting lengthwise
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Abstract
The invention discloses a double-specification conversion mechanism for a folding sheet of a rotary press, which comprises a movable small wall plate, a fixed wall plate, a push-pull mechanism, a paper guide frame and an elastic fin plate, wherein the movable small wall plate is arranged at the inner side of the fixed wall plate and is in sliding connection with the fixed wall plate; the invention can ensure that manual adjustment is not needed during specification conversion of the folding machine, has simple operation, fast conversion time and high accuracy, greatly improves the yield and reduces the workload of workers caused by frequent specification conversion.
Description
Technical Field
The invention relates to the technical field of folding specification conversion, in particular to a folding double-specification conversion mechanism of a rotary press.
Background
The circumference of an impression cylinder of a common offset rotary printing machine corresponds to the printing breadth, so that each machine can only print a printing product with a specific breadth, the corresponding folding mechanism is also specific, and if the printing specification is inconsistent with the machine, the machine cannot print; for a rotary ink-jet printer, the circumference of a printing cylinder of the rotary ink-jet printer is not directly related to the printing format, an ink-jet printing part is not limited by the circumference of the cylinder, and printing products with various formats can be printed, but a traditional folding part can only fold the printing products with one format, which is not matched with the flexible conversion of multiple formats realized by the ink-jet printing part, so that the flexibility and unique performance of ink-jet printing are limited, if printing products with other formats on the rotary ink-jet printer, the whole folding part needs to be replaced, the operation is difficult to realize, otherwise, only a rotary ink-jet printer with another format can be equipped, so that a client needs to configure equipment according to the formats, the investment cost and the use cost are increased, and the like, and the cost is extremely low.
Patent application number CN213733989U discloses a folding mechanism of a rotary printing machine, paper is folded by a triangular plate and a folding roller group, the folded paper is continuously transported to pass through an electrostatic eliminator, the electrostatic eliminator eliminates the static electricity of the paper and reduces the static electricity on the paper, wherein the folding part is realized by the triangular plate, the position of the triangular plate is of a fixed structure and the position of the central line of the paper cannot be changed, if the specification of a daily printing product is frequently changed, the process of specification conversion not only greatly influences the yield, but also is a piece of work which causes great trouble and trouble in operation of workers, and when the paper is unevenly stressed, the lower end of the triangular plate easily cuts the paper; the patent application number is CN214027705U and discloses a rotary press folding device, a folding plate comprises a left triangle and a right triangle, the left triangle and the right triangle are in mirror symmetry, the vertexes of the left triangle and the right triangle are connected in a hinged mode, an electric push rod can drive a sliding block II to slide on the folding plate through stretching, the effect of changing the included angle of a left bending part and a right bending part is achieved, the rotary press folding device has the effects of changing the size of the folding plate and folding paper of various specifications, the adjustment range is limited, and rotating mechanisms on the left side and the right side of the folding plate can influence the paper to pass through; the top fixed point of the folding plate is hinged, so that the paper can be stressed unevenly after rotating, and the paper can be scratched when passing through the fixed point of the folding plate; and the folding plate is provided with a bracket, one end of the bracket is fixed on the vertex of the folding plate, the other end of the bracket is fixed on the frame, and the fixed folding plate can not be adjusted.
Under the condition that the specification of a daily printing product is frequently changed, the problems of greatly reducing the yield and increasing the working strength and the workload of workers can be solved due to the reasons of higher adjusting frequency, higher difficulty, long conversion time, incapability of ensuring accuracy and the like; the folding is carried out at the position of the central line of the paper, when the paper passes through the lower end of the triangular plate, the paper is easy to scratch, and a crease cannot be scratched on the central line of the paper in advance; in the process of conveying and bending paper at a high speed, if the paper is stressed unevenly, the paper is easy to bend out of the center, and the paper is easy to be torn by unevenly distributed force, so that the rotary printing machine cannot work normally; the requirement of practical use cannot be met, so that the improved technology is urgently needed in the market to solve the problems.
Disclosure of Invention
The invention aims to overcome the existing defects and provides a folding dual-specification switching mechanism of a rotary printing machine, which can ensure that manual adjustment is not needed during specification switching of the folding machine, has simple operation, fast switching time and high accuracy, greatly improves the yield, reduces the workload caused by frequent specification switching of workers, marks creases on paper in the central line in advance during the conveying process, ensures that the central line of the paper is correct, ensures that the paper is uniformly conveyed on an elastic fin plate, ensures that the paper is uniformly stressed, improves the working efficiency and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a folding double-specification switching mechanism of a rotary press comprises a movable small wall plate, a fixed wall plate, a push-pull mechanism, a paper guide frame and an elastic fin plate, the movable small wall plate is arranged at the inner side of the fixed wall plate and is connected with the fixed wall plate in a sliding way, the push-pull mechanism comprises a push-pull cylinder and an L-shaped plate, the L-shaped plate is fixedly connected with the small movable wallboard, the push-pull cylinder is arranged on the outer side surface of the fixed wallboard, the telescopic end of the push-pull cylinder is fixedly connected with the L-shaped plate, the movable small wallboard can be driven to integrally move by the telescopic action of the push-pull cylinder, further, the position of the paper guide frame can be adjusted to ensure that the central line position of the product paper is consistent with the central line position of the folding machine, meanwhile, the paper guide device can be suitable for folding paper of different specifications, the paper guide frame is rotationally connected with the small movable wall plate through a rotating shaft, the center of the paper guide frame is provided with a paper guide purline, the elastic wing plates are arranged at two sides of the paper guide purline and connected with the paper guide purline through hinges, the upper surface of each elastic wing plate is lower than the top surface of the paper guide purline, in the process of conveying paper, the elastic fin plate plays a role of supporting the whole paper, the back of the paper guide frame is provided with an elastic support mechanism I and an elastic support mechanism II, the elastic support mechanism II comprises a spring II, a connecting frame and a support frame, the support frame is arranged on the paper guide frame, the paper guide purline is connected with the support frame through the connecting frame, a transverse plate is arranged between the connecting frame and the support frame, the spring II is arranged between the transverse plate and the elastic fin plate, the structure of the elastic support mechanism I is the same as that of the elastic support mechanism II, an indentation guide mechanism is arranged below the right lower end of the elastic fin plate, lead and be provided with on the paper frame and lead the paper roll, lead the paper roll and lead the paper frame and rotate and be connected, lead the paper roll and correspond with the upper left end of elasticity finned plate.
Furthermore, the indentation guiding mechanism comprises a spring I, a U-shaped fixing frame, an indentation wheel guide frame and an indentation wheel, the indentation wheel is installed on the indentation wheel guide frame, the indentation wheel guide frame is in sliding connection with the U-shaped fixing frame, the U-shaped fixing frame is fixed on the back of the paper guiding frame, and the spring I is arranged between the U-shaped fixing frame and the indentation wheel guide frame.
Furthermore, the two ends of the paper guide purline are arranged to be arc-shaped bending structures, the top of the section of the paper guide purline is arranged to be an arc-shaped convex structure, the paper guide purline and the creasing wheel are on the same straight line, and the top surface of the creasing wheel is higher than the arc-shaped convex top surface of the paper guide purline.
Further, still include angle adjusting structure, angle adjusting structure includes slide, slider, adjust cylinder, regulating arm, be provided with the backup pad between the medial surface of removing little wallboard, the slide sets up in the backup pad, slider and slide sliding connection, the one end of regulating arm rotates with the support frame on the elastic support mechanism II to be connected, and the other end and the slider of regulating arm rotate to be connected, play through the regulating arm and support leading paper frame whole, ensure to lead paper frame structure safe and firm, adjust cylinder installs in the left side of slide, and adjust cylinder's flexible end is connected with the slider.
Further, be provided with the fan housing in the pivot, the fan housing cover is on the upper portion of leading paper frame, the fan housing inboard is provided with the air chamber, plays the effect to the gas gathering direction through the fan housing, and the air chamber is provided with the nozzle of slope on the surface, and the even gas of nozzle blowout makes the paper evenly tile on the elasticity finned plate, makes the paper shaping effect of folding paper better, be provided with the air pump in the backup pad, the export of air pump passes through hose and air chamber intercommunication.
Further, it is provided with the paper feed roller to remove on the little wallboard, and the lateral surface that removes little wallboard is provided with sliding guide, and the medial surface of fixed wallboard is provided with the slide rail seat, sliding guide and slide rail seat sliding connection, the lower extreme of fixed wallboard is provided with the fixed station, and the right side of fixed station is provided with the roller frame, be provided with the compression roller on the roller frame, be provided with the detection support on the roller frame, be provided with detection switch on the detection support.
Furthermore, the outer surface side of the paper guide frame is of an arc-shaped structure, the lower end of the paper guide frame corresponds to the gap between the compression roller, the lower end of the paper guide frame is provided with a chamfering structure, the chamfering structure of the paper guide frame protects the center of the paper from being folded, and the paper is prevented from being scratched due to overlarge local stress.
Furthermore, the inner side surface of the L-shaped plate is provided with a limiting bump, and the limiting bump is used for limiting the position of the push-pull cylinder for pulling the L-shaped plate to retract, so that the whole position of the movable small wallboard is ensured to be fixed.
Compared with the prior art, the invention has the beneficial effects that:
1. the paper guide purlin is provided with the push-pull air cylinder, the movable small wallboard can be driven to integrally move through the expansion and contraction of the push-pull air cylinder, the position of the paper guide frame can be adjusted, the position of the central line of product paper is enabled to be consistent with the position of the central line of the paper folding machine, meanwhile, the paper guide purlin can be suitable for folding paper of different specifications, the paper guide purlin plays a role in guiding the paper, when the paper is conveyed, the paper is supported by the protruding parts on the paper guide purlin, and a crease is marked in the center of the paper in advance.
2. The creasing wheel is arranged on the paper folding machine, the creasing wheel plays a role in supporting and guiding paper, meanwhile, the stress at the lower end of the paper guide frame is reduced, the local excessive stress of the paper is prevented, the paper is prevented from being scratched by the lowest end of the paper guide frame, the paper is scratched by the outer ring of the creasing wheel again, and the paper can be folded by the pressing roller conveniently.
3. The paper guide frame is provided with the adjusting cylinder, the sliding block can be pushed to move through the stretching of the adjusting cylinder, the sliding block pushes the adjusting arm to move, the inclined angle of the paper guide frame can be adjusted, the position of paper is finely adjusted, the adjustment is convenient, the use requirement is met, the air cover plays a role in gathering and guiding air, the nozzles spray uniform air, the paper is uniformly paved on the elastic fin plate, and the paper folding forming effect is better.
4. The folding machine has the advantages that the spring II is arranged, the elastic fin plate has certain elasticity through the spring II, pressure is applied to the elastic fin plate in the high-speed conveying process of paper, the elastic fin plate can face downwards under the condition of high pressure, the stress of the paper is reduced, the paper is protected, and on the contrary, the stress of the elastic fin plate is reduced, the paper can be in a tensioning state, so that the uniform stress of the paper is ensured.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;
FIG. 4 is a schematic view of the flexible fin mounting structure of the present invention;
FIG. 5 is an enlarged view of the structure of the present invention at B;
FIG. 6 is a front view of the paper guiding frame according to the present invention;
FIG. 7 is a schematic view of a partial structure of a paper guide frame according to the present invention;
fig. 8 is a schematic view of the structure of the fan cover according to the present invention.
In the figure: 1 moving small wall plate, 2 hoses, 3 fixed wall plates, 4 push-pull cylinders, 5L type plates, 6 air pumps, 7 detection switches, 8 detection supports, 9 fixing tables, 10 indentation guide mechanisms, 11 roller frames, 12 compression rollers, 13 paper guide frames, 14 elastic fin plates, 15 air shields, 16 paper passing rollers, 17 support plates, 18 adjusting arms, 19 limiting lugs, 20 slide rail seats, 21 slide rails, 22 air chambers, 23 slide ways, 24 slide blocks, 25 adjusting cylinders, 26 elastic support mechanisms I, 27 elastic support mechanisms II, 28 paper guide purlins, 29 springs I, 30U-shaped fixing frames, 31 indentation wheel guide frames, 32 indentation wheels, 33 springs II, 34 connecting frames, 35 transverse plates, 36 support frames, 37 rotating shafts and 38 paper guide rollers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a double-specification conversion mechanism for a hinge of a rotary press comprises a movable small wall plate 1, a fixed wall plate 3, a push-pull mechanism, a paper guide frame 13 and an elastic fin plate 14, wherein the movable small wall plate 1 is arranged on the inner side of the fixed wall plate 3, the movable small wall plate 1 is in sliding connection with the fixed wall plate 3, the push-pull mechanism comprises a push-pull cylinder 4 and an L-shaped plate 5,L plate 5 which are fixedly connected with the movable small wall plate 1, the inner side surface of the L-shaped plate 5 is provided with a limit lug 19, the limit lug 19 is used for limiting the position of the push-pull cylinder 4 for pulling the L-shaped plate 5 to retract, so as to ensure the whole position of the movable small wall plate 1 to be fixed, the push-pull cylinder 4 is arranged on the outer side surface of the fixed wall plate 3, the telescopic end of the push-pull cylinder 4 is fixedly connected with the L-shaped plate 5, the movable small wall plate 1 can be driven to integrally move through the telescopic of the push-pull cylinder 4, and the position of the paper guide frame 13 can be adjusted, the central line position of product paper is consistent with the central line position of a paper folding machine, the paper folding machine is suitable for folding paper of different specifications, a paper guide frame 13 is rotatably connected with a movable small wall plate 1 through a rotating shaft 37, a fan cover 15 is arranged on the rotating shaft 37, the fan cover 15 covers the upper part of the paper guide frame 13, an air chamber 22 is arranged on the inner side of the fan cover 15 and plays a role in gathering and guiding air through the fan cover 15, an inclined nozzle is arranged on the surface of the air chamber 22 and sprays uniform air to enable the paper to be uniformly paved on an elastic fin plate 14, the paper folding forming effect is better, an air pump 6 is arranged on a support plate 17, an outlet of the air pump 6 is communicated with the air chamber 22 through a hose 2, a paper guide purlin 28 is arranged at the center of the paper guide frame 13, the elastic fin plates 14 are arranged on two sides of the paper guide purlin 28, the elastic fin plate 14 is connected with the paper guide purlin 28 through hinges, the upper surface of the elastic fin plate 14 is lower than the top surface of the paper guide purlin 28, in the process of conveying paper, the elastic fin plate 14 plays a role of supporting the whole paper, the back of the paper guide frame 13 is provided with an elastic support mechanism I26 and an elastic support mechanism II 27, the elastic support mechanism II 27 comprises a spring II 33, a connecting frame 34 and a supporting frame 36, the supporting frame 36 is arranged on the paper guide frame 13, the paper guide purline 28 is connected with the supporting frame 36 through the connecting frame 34, a transverse plate 35 is arranged between the connecting frame 34 and the supporting frame 36, the spring II 33 is arranged between the transverse plate 35 and the elastic fin plate 14, the elastic fin plate 14 has certain elasticity through the spring II 33, the elastic fin plate 14 is pressed in the process of conveying paper at high speed, under the condition of high pressure, the elastic fin plate 14 can face downwards to reduce the stress of the paper and play a role of protecting the paper, on the contrary, the stress of the elastic fin plate 14 is reduced, the paper can be in a tensioning state, so that the uniform stress of the paper is ensured, the elastic support mechanism I26 and the elastic support mechanism II 27 have the same structure, a guide mechanism 10 is arranged below the right lower end of the elastic fin plate 14, an indentation is arranged on the paper guide frame 13, a paper guide roller 38 is arranged on the paper guide frame 13 and plays a role of supporting roller 38, and a paper guide roller 38 corresponding to the paper guide roller 38.
The indentation guiding mechanism 10 comprises a spring I29, a U-shaped fixing frame 30, an indentation wheel guide frame 31 and an indentation wheel 32, the indentation wheel 32 is installed on the indentation wheel guide frame 31, the indentation wheel guide frame 31 is connected with the U-shaped fixing frame 30 in a sliding mode, the U-shaped fixing frame 30 is fixed to the back face of the paper guide frame 13, the spring I29 is arranged between the U-shaped fixing frame 30 and the indentation wheel guide frame 31, and the indentation wheel guide frame 31 has certain elasticity through the spring I29 to avoid hard contact with paper.
Two ends of the paper guide purline 28 are arranged to be arc-shaped bending structures, the top of the section of the paper guide purline 28 is arranged to be an arc-shaped convex structure, the paper guide purline 28 and the creasing wheel 32 are on the same straight line, the paper guide purline 28 plays a role in guiding paper, the paper is conveyed by the paper guide purline 28, a convex part on the paper guide purline 28 supports the paper, a crease is marked on the center of the paper in advance, the top surface of the creasing wheel 32 is higher than the arc-shaped convex top surface of the paper guide purline 28, the creasing wheel 32 plays a role in supporting and guiding the paper, meanwhile, the stress of the lower end of the paper guide frame 13 is reduced, the local stress of the paper is prevented from being too large, the paper is prevented from being scratched by the lowest end of the paper guide frame 13, a scratch is marked on the paper by the outer ring of the creasing wheel 32 again, and the paper can be folded by the compression roller 12 conveniently.
Still include angle adjusting structure, angle adjusting structure includes slide 23, slider 24, adjust cylinder 25, regulating arm 18, be provided with backup pad 17 between the medial surface of removing little wallboard 1, slide 23 sets up in backup pad 17, slider 24 and slide 23 sliding connection, the one end of regulating arm 18 rotates with support frame 36 on elastic support mechanism II 27 to be connected, the other end and the slider 24 of regulating arm 18 rotate to be connected, play through regulating arm 18 and support paper frame 13 is whole, ensure that paper frame 13 structure safety and firmness is led, adjust cylinder 25 installs the left side at slide 23, adjust cylinder 25's flexible end and slider 24 are connected, can promote slider 24 through adjusting cylinder 25's flexible and remove, slider 24 promotes the regulating arm 18 and removes, and then can adjust the angle of leading paper frame 13 slope, finely tune the paper position, it is convenient to adjust, satisfy the user demand.
The paper feeding device comprises a movable small wallboard 1, a paper feeding roller 16, a sliding guide rail 21, a sliding rail seat 20, a sliding guide rail 21 and a fixed wallboard 3, wherein the sliding guide rail 21 is connected with the sliding rail seat 20 in a sliding mode, a fixed table 9 is arranged at the lower end of the fixed wallboard 3, a roller frame 11 is arranged on the right side of the fixed table 9, a pressing roller 12 is arranged on the roller frame 11, a detection support 8 is arranged on the roller frame 11, the number of the detection supports 8 is four, a detection switch 7 is arranged on each detection support 8, the detection switches 7 on the two detection supports 8 on the right side are in one group, the group of detection switches 7 on the right side are used for detecting the position of paper folding, when the paper is detected, the paper is positioned at the most edge position of the pressing roller 12, a detection signal is transmitted to an external controller at the moment, the external controller controls an adjusting cylinder 25 to finely adjust the position of the paper, and therefore the accuracy of the position of the paper is ensured; the detection switches 7 on the two left detection supports 8 are in the other group, the other side of the paper is detected by the other detection switch 7 on the left side, the side edge of the outer surface of the paper guide frame 13 is of an arc structure, the lower end of the paper guide frame 13 corresponds to the gap between the compression roller 12, and the lower end of the paper guide frame 13 is provided with a chamfer structure, so that the center of the paper is protected towards the folding position through the chamfer structure of the paper guide frame 13, and the paper is prevented from being scratched due to overlarge local stress.
When in use: the paper passing through the paper passing roller 16 enters the elastic fin plate 14, then passes through the indentation guide mechanism 10, enters a gap between the compression rollers 12 from the lowest end of the paper guide frame 13, and is folded, when the paper is conveyed by the paper guide purline 28, the uniform gas is sprayed out from the nozzles on the air chamber 22, so that the paper is uniformly paved on the elastic fin plate 14, the paper is supported by the convex parts on the paper guide purline 28, a crease is marked on the center of the paper in advance, then the paper is supported and guided by the indentation wheel 32 after passing through the indentation wheel 32, meanwhile, the stress on the lower end of the paper guide frame 13 is reduced, the local stress of the paper is prevented from being too large, the paper is prevented from being scratched by the lowest end of the paper guide frame 13, the outer ring of the indentation wheel 32 marks the paper again, the paper is convenient to be folded by the compression rollers 12, the small wall plate 1 can be driven to move integrally through the extension and the extension of the push-pull cylinder 4, the position of the paper guide frame 13 can be adjusted, the position of the center line of the paper can be consistent with the position of the center line of the folding machine, meanwhile, the slide block 25 can be adjusted, the slide block can be moved, and the slide block 24 can be adjusted to adjust the angle of the paper guide frame 13, and can be adjusted to meet the requirements of the paper pushing arm for use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a two specification shifter of a foldback of rotary press, includes removal little wallboard (1), fixed wallboard (3), push-and-pull institution, leads paper frame (13) and elasticity finned plate (14), its characterized in that: the movable small wall plate (1) is arranged on the inner side of the fixed wall plate (3), the movable small wall plate (1) is connected with the fixed wall plate (3) in a sliding mode, the push-pull mechanism comprises a push-pull cylinder (4) and an L-shaped plate (5), the L-shaped plate (5) is fixedly connected with the movable small wall plate (1), the push-pull cylinder (4) is arranged on the outer side face of the fixed wall plate (3), the telescopic end of the push-pull cylinder (4) is fixedly connected with the L-shaped plate (5), a paper guide frame (13) is rotatably connected with the movable small wall plate (1) through a rotating shaft (37), a paper guide purlin (28) is arranged at the center of the paper guide frame (13), elastic wing plates (14) are arranged on two sides of the paper guide purlin (28), the elastic wing plates (14) are connected with the paper guide purlin (28) through hinges, the upper surfaces of the elastic wing plates (14) are lower than the top surface of the paper guide purlin (28), an elastic supporting mechanism (26) and an elastic supporting mechanism I (27) are arranged on the back of the paper guide frame (13), the elastic supporting mechanism II (27) comprises a spring (34) and a supporting frame (34), a supporting frame (36), and a supporting frame (34) connected with a supporting frame (36), and a supporting frame (34) through a supporting frame (34) and a supporting frame (34) connected with a supporting frame (36), the spring II (33) is arranged between the transverse plate (35) and the elastic fin plate (14), the elastic supporting mechanism I (26) is identical to the elastic supporting mechanism II (27) in structure, an indentation guide mechanism (10) is arranged below the right lower end of the elastic fin plate (14), the indentation guide mechanism (10) comprises a spring I (29), a U-shaped fixing frame (30), an indentation wheel guide frame (31) and an indentation wheel (32), the indentation wheel (32) is installed on the indentation wheel guide frame (31), the indentation wheel guide frame (31) is in sliding connection with the U-shaped fixing frame (30), the U-shaped fixing frame (30) is fixed on the back face of the paper guide frame (13), the spring I (29) is arranged between the U-shaped fixing frame (30) and the indentation wheel guide frame (31), a paper guide roller (38) is arranged on the paper guide frame (13), the paper guide roller (38) is rotatably connected with the paper guide frame (13), and the paper guide roller (38) corresponds to the upper left end of the elastic fin plate (14).
2. A double-specification conversion mechanism for a folding sheet of a rotary press according to claim 1, wherein: the paper guide purline structure is characterized in that two ends of the paper guide purline (28) are arranged to be arc-shaped bending structures, the top of the section of the paper guide purline (28) is arranged to be an arc-shaped convex structure, the paper guide purline (28) and the creasing wheel (32) are on the same straight line, and the top surface of the creasing wheel (32) is higher than the arc-shaped convex top surface of the paper guide purline (28).
3. A double-specification conversion mechanism for a folding sheet of a rotary press according to claim 1, wherein: still include angle adjusting structure, angle adjusting structure includes slide (23), slider (24), adjust cylinder (25), regulating arm (18), be provided with backup pad (17) between the medial surface of removing little wallboard (1), slide (23) set up in backup pad (17), slider (24) and slide (23) sliding connection, support frame (36) on one end and the elastic support mechanism II (27) of regulating arm (18) rotate to be connected, and the other end and slider (24) of regulating arm (18) rotate to be connected, install in the left side of slide (23) adjust cylinder (25), and the flexible end and the slider (24) of adjust cylinder (25) are connected.
4. A double-specification switching mechanism for a folding sheet of a rotary press according to claim 3, wherein: the paper guide frame is characterized in that a fan cover (15) is arranged on the rotating shaft (37), the fan cover (15) covers the upper portion of the paper guide frame (13), an air chamber (22) is arranged on the inner side of the fan cover (15), an inclined nozzle is arranged on the surface of the air chamber (22), an air pump (6) is arranged on the supporting plate (17), and the outlet of the air pump (6) is communicated with the air chamber (22) through a hose (2).
5. A double-specification conversion mechanism for a folding sheet of a rotary press according to claim 1, wherein: remove and be provided with paper feed roller (16) on little wallboard (1), the lateral surface that removes little wallboard (1) is provided with sliding guide (21), and the medial surface of fixed wallboard (3) is provided with slide rail seat (20), sliding guide (21) and slide rail seat (20) sliding connection, the lower extreme of fixed wallboard (3) is provided with fixed station (9), and the right side of fixed station (9) is provided with roller frame (11), be provided with on roller frame (11) compression roller (12), be provided with on roller frame (11) and detect support (8), be provided with on detecting support (8) and detect switch (7).
6. A double-specification conversion mechanism for a folding sheet of a rotary press according to claim 5, wherein: the outer surface side of the paper guide frame (13) is of an arc-shaped structure, the lower end of the paper guide frame (13) corresponds to the gap between the compression rollers (12), and the lower end of the paper guide frame (13) is provided with a chamfer structure.
7. A double-specification conversion mechanism for a folding sheet of a rotary press according to claim 1, wherein: the inner side surface of the L-shaped plate (5) is provided with a limiting bump (19), and the limiting bump (19) is used for limiting the position of the push-pull cylinder (4) for pulling the L-shaped plate (5) to retract.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210902355.4A CN114953713B (en) | 2022-07-27 | 2022-07-27 | One-fold double-specification conversion mechanism of rotary press |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210902355.4A CN114953713B (en) | 2022-07-27 | 2022-07-27 | One-fold double-specification conversion mechanism of rotary press |
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| CN114953713A CN114953713A (en) | 2022-08-30 |
| CN114953713B true CN114953713B (en) | 2022-10-21 |
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| JP2935201B2 (en) * | 1990-12-27 | 1999-08-16 | 東芝機械株式会社 | Former folding method and apparatus for rotary printing press |
| JP3477343B2 (en) * | 1997-05-16 | 2003-12-10 | 三菱重工業株式会社 | Paper-drawing device for rotary press folding section |
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2022
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