CN111994676A - Paper conveying system for package printing equipment - Google Patents
Paper conveying system for package printing equipment Download PDFInfo
- Publication number
- CN111994676A CN111994676A CN202010773768.8A CN202010773768A CN111994676A CN 111994676 A CN111994676 A CN 111994676A CN 202010773768 A CN202010773768 A CN 202010773768A CN 111994676 A CN111994676 A CN 111994676A
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- Prior art keywords
- sliding
- paper
- fixedly connected
- paper conveying
- tensioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
- B65H16/06—Supporting web roll both-ends type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/10—Arrangements for effecting positive rotation of web roll
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/34—Apparatus for taking-out curl from webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/176—Cardboard
Abstract
The invention relates to the field of packaging and printing equipment, in particular to a paper conveying system for packaging and printing equipment, which comprises a driving mechanism, a paper opening guide mechanism, a tensioning limiting mechanism, a paper conveying mechanism and a rack, wherein the driving mechanism, the paper opening guide mechanism and the paper conveying mechanism are all connected to the rack; the driving mechanism is in transmission connection with the paper guide-opening mechanism and the paper conveying mechanism; the paper guide-opening mechanism and the paper conveying mechanism are arranged oppositely; the lower end of the tensioning limiting mechanism is connected to the rack, and the upper end of the tensioning limiting mechanism is connected to the inner side of the paper guiding and opening mechanism in a matched mode. The paper conveying system for the packaging and printing equipment can be used for guiding and conveying paper wound on a paper winding drum, is convenient for continuous printing and processing work, and is beneficial to improving the efficiency of printing and processing the paper.
Description
Technical Field
The invention relates to the field of package printing equipment, in particular to a paper conveying system for the package printing equipment.
Background
The paper needs to utilize paper conveyor to accomplish the transport to the paper in the printing course of working, and paper conveyor among the prior art mainly used the transport of sola paper can't lead away the transport to the paper of winding on the winding paper section of thick bamboo, leads to the printing machining efficiency of paper to be lower.
Disclosure of Invention
The invention aims to provide a paper conveying system for packaging printing equipment, which can guide and convey paper wound on a paper winding drum, is convenient for continuous printing and processing work and is beneficial to improving the efficiency of printing and processing the paper.
In order to achieve the purpose, the application provides a paper conveying system for packaging printing equipment, which comprises a driving mechanism, a paper guide-out mechanism, a tensioning limiting mechanism, a paper conveying mechanism and a rack, wherein the driving mechanism, the paper guide-out mechanism and the paper conveying mechanism are all connected to the rack; the driving mechanism is in transmission connection with the paper guide-opening mechanism and the paper conveying mechanism; the paper guide-opening mechanism and the paper conveying mechanism are arranged oppositely; the lower end of the tensioning limiting mechanism is connected to the rack, and the upper end of the tensioning limiting mechanism is connected to the inner side of the paper guiding and opening mechanism in a matched mode.
Optionally, the driving mechanism includes a servo motor with a speed reducer, a worm, a first worm wheel, a linkage shaft, a first belt wheel, a second worm wheel and a transmission shaft; the servo motor is fixedly connected to the rack through a motor bracket; an output shaft of the servo motor is in transmission connection with the worm through a coupler; the worm is in meshed transmission connection with the first worm wheel and the second worm wheel; the first worm wheel and the first belt wheel are fixedly connected to the linkage shaft, and the linkage shaft is connected to the rack in a rotating fit manner; the first belt pulley is connected with the second belt pulley through a synchronous belt in a transmission way; the second belt wheel is fixedly connected to the paper unwinding mechanism; the second worm wheel is fixedly connected to the transmission shaft; the transmission shaft is in transmission connection with the paper conveying mechanism.
Optionally, the paper conveying mechanism comprises a conveying roller, a roller shaft, a bearing frame, a linkage belt wheel, a sliding shaft, a tension pressure spring and a disc seat; the two roll shafts are connected to the front end and the rear end of the bearing shaft frame in a relative rotating manner; the two roll shafts are respectively and fixedly connected with a conveying roll; the conveying roller is matched on the top surface of the rack in a rolling manner; the left side and the right side of the bearing frame are respectively fixedly connected with the top end of a sliding shaft, the middle parts of the two sliding shafts are in sliding fit with the two ends of the frame, the bottom ends of the two sliding shafts are respectively fixedly connected with a disc seat, the two sliding shafts are respectively sleeved with a tensioning pressure spring, and the two tensioning pressure springs are positioned between the frame and the two disc seats; the transmission shaft is connected with one end of one roll shaft through a coupler in a transmission mode, the other ends of the two roll shafts are respectively and fixedly connected with one linkage belt wheel, and the two linkage belt wheels are connected through a synchronous toothed belt in a transmission mode.
Optionally, the paper conveying mechanism further comprises a leveling plate; the leveling plate is fixedly connected to the middle of the bottom surface of the bearing shaft frame; the bottom surface of the leveling plate is in sliding fit with the top surface of the rack.
Optionally, the paper unwinding mechanism includes a U-shaped stand, a rotating pipe assembly, a clamp assembly, and a distance adjusting assembly; the two rotating pipe assemblies are relatively and rotatably matched at the left end and the right end of the U-shaped vertical frame; the second belt wheel is fixedly connected to one rotating pipe assembly; the U-shaped vertical frame is fixedly connected to the rack; the inner sides of the two rotating pipe assemblies are respectively connected with a clamp assembly in a sliding fit manner; the outer ends of the two clamp assemblies are respectively and rotatably connected to two sides of the upper end of the distance adjusting assembly; the lower end of the distance adjusting assembly is connected to the rack; the upper end of the tensioning limiting mechanism is connected to the left end and the right end of the inner side of the U-shaped vertical frame in a matched mode.
Optionally, the rotating pipe assembly comprises a rotating pipe body; the middle part of the rotating pipe body is connected to the U-shaped vertical frame in a rotating fit manner; and the inner side surface of the rotating pipe body is provided with a convex rib.
Optionally, the clamp assembly comprises a sliding pipe body, an outer seat plate, an inner seat plate, an outer connecting rod, an inner connecting rod, an adjusting screw, an adjusting rotating wheel and a compression spring; the middle part of the sliding pipe body is in sliding fit with the inner side of the rotating pipe body; the sliding pipe body is provided with a groove which is in sliding fit with the inner convex edge of the rotating pipe body; the inner end of the sliding pipe body is fixedly connected with the outer seat plate; the inner side of the outer seat plate is uniformly connected with one end of three outer connecting rods in a surrounding and rotating manner, the other end of each outer connecting rod is respectively connected with one end of one inner connecting rod in a rotating manner, and the other end of each inner connecting rod is connected to the inner seat plate in a rotating manner; the inner seat plate is rotatably connected to the inner end of the adjusting screw rod; the middle part of the adjusting screw rod is matched with the inner side of the sliding pipe body through threads; the outer end of the adjusting screw is fixedly connected with the adjusting rotating wheel; the adjusting screw rod is sleeved with a compression spring; and two ends of the compression spring are respectively fixedly connected with the inner seat plate and the outer seat plate.
Optionally, the distance adjusting assembly comprises a distance adjusting screw, a rotating hand wheel, a screw seat plate, a push-pull sliding plate, a push-pull connecting rod and a push-pull vertical frame; two ends of the distance-adjusting screw are respectively and rotatably connected to a screw seat plate, and the two screw seat plates are relatively and fixedly connected to the rack; the outer end of the distance adjusting screw rod is fixedly connected with a rotary hand wheel; the middle part of the distance adjusting screw rod is connected with the push-pull sliding plate in a threaded fit manner; the push-pull sliding plate is in sliding fit with the bottom surface of the rack; the two ends of the push-pull sliding plate are respectively and rotatably connected with the inner end of one push-pull connecting rod, the outer ends of the two push-pull connecting rods are respectively and rotatably connected with the lower end of one push-pull vertical frame, and the upper ends of the two push-pull vertical frames are rotatably connected with the two sliding pipe bodies of the two clamp assemblies one by one.
Optionally, the tensioning limiting mechanism comprises a tensioning pressing wheel, a lifting carriage, an inclined connecting rod, a rectangular sliding plate and a tensioning spring; the tensioning pinch roller is connected to the middle of the top surface of the lifting sliding frame in a rotating fit manner; two ends of the lifting sliding frame are respectively matched in the left longitudinal slide way and the right longitudinal slide way on the inner side of the U-shaped vertical frame in a sliding manner; the middle of the bottom end of the lifting sliding frame is rotatably connected with one end of the inclined connecting rod; the other end of the inclined connecting rod is rotatably connected to the outer end of the rectangular sliding rod; the middle part of the rectangular sliding rod is in sliding fit with the rack; the inner end of the rectangular sliding rod is fixedly connected with the rectangular sliding plate; the rectangular sliding plate is in sliding fit with the sliding plate groove on the top surface of the rack; the rectangular sliding rod is sleeved with a tensioning spring, and two ends of the tensioning spring are fixedly connected with the outer side face of the rectangular sliding plate and the outer end of the inner part of the sliding plate groove respectively.
Optionally, the tensioning limiting mechanism further comprises an anti-deviation stop block, a horizontal sliding block, a screwing block, a bidirectional screw and a bearing rod seat; the two anti-deviation check blocks are fixedly connected to the upper ends of the two horizontal sliding blocks; the two horizontal sliding blocks are in relative sliding fit in the horizontal slide way of the lifting sliding frame; the two horizontal sliding blocks are matched with the two ends of the bidirectional screw rod through threads; one end of the bidirectional screw is provided with left-hand threads, and the other end of the bidirectional screw is provided with right-hand threads; two ends of the bidirectional screw are respectively and rotatably matched on a bearing rod seat, and the two bearing rod seats are relatively fixed at two ends of the lifting sliding frame; the outer end of the bidirectional screw is fixedly connected with a screwing block; the top surface of the anti-deviation stop block is higher than that of the tensioning pinch roller.
The paper conveying system for the packaging and printing equipment has the beneficial effects that:
the paper unwinding mechanism capable of fixing the paper winding cylinders with different sizes is adopted, so that the paper wound on the paper winding cylinders can be unwound and conveyed conveniently, and the tensioning limiting mechanism capable of automatically compacting along with the gradual reduction of the paper winding cylinders is adopted, so that the paper is in a stretched state, the phenomenon that the subsequent processing quality of the paper is influenced due to indentation or offset caused by the loose paper is prevented, and the quality of printing and processing the paper is improved; according to the paper guide opening device, the paper guide opening mechanism is controlled by one motor to guide the paper, and the paper conveying mechanism is controlled to convey the guided paper, so that the continuity of the equipment is good, and the operation is stable; the paper conveying mechanism in the paper conveying device can convey paper with different thicknesses and perform leveling treatment to a certain extent, so that the paper is prevented from wrinkling, and the paper conveying mechanism can be adaptively adjusted according to the thickness of the paper, so that the paper conveying device is suitable for the paper with different thicknesses and does not need manual adjustment.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first general schematic diagram provided in accordance with an embodiment of the present invention;
FIG. 2 is a second overall view provided in accordance with an embodiment of the present invention;
FIG. 3 is a third overall view provided in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a drive mechanism provided by an embodiment of the present invention;
FIG. 5 is a schematic view of a paper unwinding mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic view of a U-shaped stand according to an embodiment of the present invention;
FIG. 7 is a schematic view of a swivel assembly provided by an embodiment of the present invention;
FIG. 8 is a schematic view of a clamp assembly provided by an embodiment of the present invention;
FIG. 9 is a schematic view of a pitch adjustment assembly provided in an embodiment of the present invention;
FIG. 10 is a schematic view of a tension limiting mechanism provided by an embodiment of the present invention;
FIG. 11 is a schematic view of a paper transport mechanism provided in an embodiment of the present invention;
fig. 12 is a schematic view of a rack according to an embodiment of the present invention.
Icon: a drive mechanism 1; a servo motor 101; a worm 102; a first worm gear 103; a linkage shaft 104; a first pulley 105; a second pulley 106; a second worm gear 107; a drive shaft 108; a paper unwinding mechanism 2; a U-shaped stand 201; a swivel assembly 202; rotating the tube body 202A; a rib 202B; a clamp assembly 203; a sliding tube body 203A; an outer seat plate 203B; an inner seat plate 203C; an outer link 203D; the inner link 203E; an adjusting screw 203F; an adjustment wheel 203G; a compression spring 203H; a pitch adjustment assembly 204; a pitch adjusting screw 204A; rotating the handwheel 204B; a screw seat plate 204C; a push-pull slide plate 204D; a push-pull link 204E; push-pull vertical frame 204F; a tensioning limiting mechanism 3; tensioning pinch roller 301; a lifting carriage 302; an inclined link 303; a rectangular slide bar 304; a rectangular slide plate 305; a tension spring 306; an anti-offset stopper 307; a horizontal slider 308; a screw block 309; a bi-directional screw 310; a bearing rod holder 311; a paper conveying mechanism 4; a conveying roller 401; a roller shaft 402; a bearing bracket 403; a linkage pulley 404; a slide shaft 405; a tension compression spring 406; a disc holder 407; a leveling plate 408; a frame 5.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all 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 application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for understanding and reading the contents disclosed in the specification, and are not used for limiting the conditions that the present application can implement, so the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical content disclosed in the present application without affecting the efficacy and the achievable purpose of the present application. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present application, and changes or modifications in the relative relationship may be made without substantial technical changes.
The present invention is described in further detail below with reference to figures 1-12.
The specific implementation mode is as follows:
as shown in fig. 1 to 12, the paper conveying system for the package printing apparatus includes a driving mechanism 1, a paper unwinding mechanism 2, a tensioning limiting mechanism 3, a paper conveying mechanism 4 and a frame 5, wherein the driving mechanism 1, the paper unwinding mechanism 2 and the paper conveying mechanism 4 are all connected to the frame 5; the driving mechanism 1 is in transmission connection with the paper guide-opening mechanism 2 and the paper conveying mechanism 4; the paper guide-opening mechanism 2 and the paper conveying mechanism 4 are oppositely arranged; the lower end of the tensioning limiting mechanism 3 is connected to the rack 5, and the upper end of the tensioning limiting mechanism 3 is connected to the inner side of the paper unwinding mechanism 2 in a matched mode. When the paper conveying system for the packaging and printing equipment is used, a paper roll wound with a paper roll is mounted on the paper guiding and opening mechanism 2, the lower end of the paper roll on the paper roll is pressed against through the tensioning limiting mechanism 3, the movable end of the paper roll penetrates through the lower end of the paper conveying mechanism 4, paper is pressed on the rack 5 through the paper conveying mechanism 4, the guided paper is kept in a tensioned and stretched state, then the driving mechanism 1 is started, the driving mechanism 1 can drive the paper guiding and opening mechanism 2 and the paper conveying mechanism 4 to synchronously work after being started, and the paper guiding and opening mechanism 2 guides the paper roll and simultaneously drives the guided paper to convey forwards through the paper conveying mechanism 4 so as to be convenient for matching with other printing and processing equipment to perform subsequent processing work of packaging and printing paper; the paper unwinding mechanism 2 capable of fixing the paper rolls of different sizes is adopted, so that the paper wound on the paper rolls can be unwound and conveyed conveniently, and the tensioning limiting mechanism 3 capable of automatically compressing along with the gradual reduction of the paper rolls is adopted, so that the paper is in a stretched state, the phenomenon that the subsequent processing quality of the paper is influenced by indentation or offset caused by the loose paper is prevented, and the quality of printing and processing the paper is improved; according to the invention, the paper opening mechanism 2 is controlled by one motor to open the paper, and the paper conveying mechanism 4 is controlled to convey the opened paper, so that the continuity of the equipment is good, and the operation is stable; the paper conveying mechanism 4 in the paper feeding device can convey paper with different thicknesses and perform leveling treatment to a certain extent, so that paper wrinkling is prevented, and the paper conveying mechanism 4 can be adaptively adjusted according to the thickness of the paper, is suitable for the paper with different thicknesses and does not need manual adjustment.
The driving mechanism 1 comprises a servo motor 101 with a speed reducer, a worm 102, a first worm wheel 103, a linkage shaft 104, a first belt wheel 105, a second belt wheel 106, a second worm wheel 107 and a transmission shaft 108; the servo motor 101 is fixedly connected to the frame 5 through a motor bracket; an output shaft of the servo motor 101 is in transmission connection with the worm 102 through a coupler; the worm 102 is in meshed transmission connection with the first worm wheel 103 and the second worm wheel 107; the first worm gear 103 and the first belt pulley 105 are both fixedly connected to the linkage shaft 104, and the linkage shaft 104 is connected to the frame 5 in a rotating fit manner; the first belt pulley 105 is connected with the second belt pulley 106 through synchronous belt transmission; the second belt pulley 106 is fixedly connected to the paper unwinding mechanism 2; the second worm gear 107 is fixedly connected to the transmission shaft 108; the transmission shaft 108 is in transmission connection with the paper conveying mechanism 4. After the servo motor 101 in the driving mechanism 1 is started, the worm 102 can be driven to rotate, when the worm 102 rotates, the first worm wheel 103 and the second worm wheel 107 can be driven to rotate, when the first worm wheel 103 rotates, the linkage shaft 104 can be driven to rotate, when the linkage shaft 104 rotates, the first belt wheel 105 can be driven to rotate, when the first belt wheel 105 rotates, the second belt wheel 106 can be driven to rotate, and the paper unwinding mechanism 2 is driven to work through the second belt wheel 106; the second worm wheel 107 can drive the transmission shaft 108 to rotate when rotating, the transmission shaft 108 can drive the paper conveying mechanism 4 to work when rotating, and due to the structural arrangement of the worm 102 and the second worm wheel 107, after the paper conveying mechanism 4 is finely adjusted up and down along with the change of the thickness of paper, the second worm wheel 107 automatically rolls and adjusts on the worm 102, and the transmission of the worm 102 is not influenced to drive the second worm wheel 107 to work.
The paper conveying mechanism 4 comprises a conveying roller 401, a roller shaft 402, a bearing bracket 403, a linkage belt pulley 404, a sliding shaft 405, a tension pressure spring 406 and a disc seat 407; two roll shafts 402 are arranged, and the two roll shafts 402 are relatively rotatably connected to the front end and the rear end of the bearing bracket 403; the two roll shafts 402 are respectively and fixedly connected with a conveying roll 401; the conveying roller 401 is roll-fitted on the top surface of the frame 5; the left side and the right side of the bearing frame 403 are respectively fixedly connected with the top end of a sliding shaft 405, the middle parts of the two sliding shafts 405 are in sliding fit with the two ends of the frame 5, the bottom ends of the two sliding shafts 405 are respectively fixedly connected with a disc seat 407, the two sliding shafts 405 are respectively sleeved with a tensioning pressure spring 406, and the two tensioning pressure springs 406 are positioned between the frame 5 and the two disc seats 407; the transmission shaft 108 is in transmission connection with one end of one roller shaft 402 through a coupler, the other ends of the two roller shafts 402 are respectively and fixedly connected with one linkage belt wheel 404, and the two linkage belt wheels 404 are in transmission connection through a synchronous cog belt. A roller shaft 402 inside the paper conveying mechanism 4 can rotate under the driving of the transmission shaft 108, when the roller shaft 402 rotates, a linkage belt wheel 404 on the roller shaft 402 can be driven to rotate, the linkage belt wheel 404 drives another linkage belt wheel 404 to rotate, so as to drive another roller shaft 402 to rotate, the two roller shafts 402 drive the two conveying rollers 401 to rotate, the two conveying rollers 401 are matched with the frame 5 to convey paper pressed below the conveying rollers 401 forwards, the arrangement of the two conveying rollers 401 is better than that of one conveying roller 401 in conveying stability, when paper with different thicknesses is conveyed, the horizontal height of the conveying rollers 401 is automatically adjusted, when the conveying rollers 401 are adjusted upwards and downwards, the roller shaft 402 drives the second worm wheel 107 to automatically roll and adjust on the worm 102, and when the conveying rollers 401 move upwards, the roller shaft 402 drives the bearing shaft frame 403 to move upwards, the bearing frame 403 drives the sliding shaft 405 to move upwards and compress the tension compression spring 406, and the tension compression spring 406 plays a role in tension limiting and ensures that the conveying roller 401 is matched with paper with different thicknesses in a rolling manner.
The paper conveying mechanism 4 further includes a leveling plate 408; the leveling plate 408 is fixedly connected to the middle of the bottom surface of the bearing pedestal 403; the bottom surface of the leveling plate 408 is in sliding engagement with the top surface of the housing 5. In the process of carrying out roll-in conveying to the paper of different thickness by conveying roller 401, flattening plate 408 can flatten the paper, prevents to lead out the paper on the paper roll that the mechanism 2 led out through the paper and to roll up and influence follow-up paper processingquality, improves the roughness of paper.
The paper unwinding mechanism 2 comprises a U-shaped stand 201, a rotating pipe assembly 202, a clamp assembly 203 and a distance adjusting assembly 204; two rotating pipe assemblies 202 are arranged, and the two rotating pipe assemblies 202 are relatively and rotatably matched at the left end and the right end of the U-shaped stand 201; the second pulley 106 is fixedly connected to one of the rotating pipe assemblies 202; the U-shaped vertical frame 201 is fixedly connected to the frame 5; the inner sides of the two rotating pipe assemblies 202 are respectively connected with a clamp assembly 203 in a sliding fit manner; the outer ends of the two clamp assemblies 203 are respectively and rotatably connected to two sides of the upper end of the distance adjusting assembly 204; the lower end of the distance adjusting component 204 is connected to the frame 5; the upper end of the tensioning limiting mechanism 3 is connected to the left end and the right end of the inner side of the U-shaped stand 201 in a matched mode. The paper unwinding mechanism 2 is characterized in that one rotating pipe assembly 202 inside the paper unwinding mechanism 2 can be driven by the second belt wheel 106 to rotate, one rotating pipe assembly 202 can drive one clamp assembly 203 to rotate when rotating, so that the paper winding drum clamped on the inner sides of the two clamp assemblies 203 is driven to rotate, the paper unwinding operation is conducted on the paper winding drum, the paper conveying mechanism 4 is matched to convey the paper, the distance between the clamp assemblies 203 can be properly adjusted through the distance adjusting assembly 204, and therefore the two ends of the paper winding drum with different lengths are clamped and fixed.
The rotating pipe assembly 202 comprises a rotating pipe body 202A, and the middle part of the rotating pipe body 202A is rotatably matched on the U-shaped stand 201; the inner side surface of the rotating tube 202A is provided with a rib 202B. The structure setting of body 202A and bead 202B rotates for two anchor clamps subassemblies 203 can rotate under the drive of roll adjustment subassembly 204, nevertheless do not influence anchor clamps subassembly 203 and rotate under the drive of rotating pipe subassembly 202, when guaranteeing that paper unwinding mechanism 2 carries out normal operating, can carry out the adaptability and adjust.
The clamp assembly 203 comprises a sliding tube body 203A, an outer seat plate 203B, an inner seat plate 203C, an outer connecting rod 203D, an inner connecting rod 203E, an adjusting screw 203F, an adjusting wheel 203G and a compression spring 203H; the middle part of the sliding tube body 203A is in sliding fit with the inner side of the rotating tube body 202A; the sliding tube body 203A is provided with a groove which is in sliding fit with the rib 202B in the rotating tube body 202A; the inner end of the sliding pipe body 203A is fixedly connected with the outer seat plate 203B; the inner side of the outer seat plate 203B is uniformly connected with one end of three outer connecting rods 203D in a surrounding and rotating manner, the other ends of the three outer connecting rods 203D are respectively connected with one end of one inner connecting rod 203E in a rotating manner, and the other ends of the three inner connecting rods 203E are connected with the inner seat plate 203C in a rotating manner; the inner seat plate 203C is rotatably connected to the inner end of the adjusting screw 203F; the middle part of the adjusting screw rod 203F is matched with the inner side of the sliding pipe body 203A through threads; the outer end of the adjusting screw rod 203F is fixedly connected with the adjusting rotating wheel 203G; the adjusting screw 203F is sleeved with a compression spring 203H; two ends of the compression spring 203H are respectively fixedly connected with the inner seat plate 203C and the outer seat plate 203B. When the two clamp assemblies 203 are used, the two clamp assemblies 203 can be tightly propped and fixed on the inner sides of two ends of a paper winding drum through the matching of the inner seat plates 203C of the two clamp assemblies 203 and the three inner connecting rods 203E, the two sliding tube bodies 203A can slide on the inner sides of the two rotating tube bodies 202A under the driving of the distance adjusting assembly 204, grooves in sliding fit with the ribs 202B in the rotating tube bodies 202A are formed in the sliding tube bodies 203A, and the grooves and the ribs 202B are matched to play a guiding role; the included angle between the inner seat plate 203C and the inner connecting rod 203E can be adjusted, so that the end parts of the paper rolls with different inner diameters can be tightly pressed and fixed, when the adjustment is performed, one hand holds the sliding tube 203A to ensure that the sliding tube 203A is stable and does not rotate, the other hand rotates the adjusting rotating wheel 203G, the adjusting rotating wheel 203G can drive the adjusting screw 203F to rotate when rotating, the contact position of the adjusting screw 203F and the sliding tube 203A can be changed when the adjusting screw 203F rotates, so that the inner seat plate 203C is driven to move inside and outside, the distance between the inner seat plate 203C and the outer seat plate 203B is changed, the included angle between the outer connecting rod 203D and the inner connecting rod 203E is changed, the included angle between the inner connecting rod 203E and the inner seat plate 203C is changed finally, the end parts of the paper rolls are blocked by the three inner connecting rods 203E, and the inner seat plate 203C is inserted into; the arrangement of the compression spring 203H ensures that the relative positions of the outer seat plate 203B and the inner seat plate 203C are more stable after being adjusted, and finally the stability of clamping and fixing the paper winding cylinder is improved.
The distance adjusting component 204 comprises a distance adjusting screw 204A, a rotating hand wheel 204B, a screw seat plate 204C, a push-pull sliding plate 204D, a push-pull connecting rod 204E and a push-pull vertical frame 204F; two ends of the distance-adjusting screw 204A are respectively and rotatably connected to a screw seat plate 204C, and the two screw seat plates 204C are relatively and fixedly connected to the rack 5; the outer end of the distance-adjusting screw 204A is fixedly connected with a rotary hand wheel 204B; the middle part of the distance adjusting screw rod 204A is connected with the push-pull sliding plate 204D in a threaded fit manner; the push-pull sliding plate 204D is in sliding fit with the bottom surface of the frame 5; two ends of the push-pull sliding plate 204D are respectively rotatably connected with the inner end of one of the push-pull connecting rods 204E, the outer ends of the two push-pull connecting rods 204E are respectively rotatably connected with the lower end of one of the push-pull vertical frames 204F, and the upper ends of the two push-pull vertical frames 204F are rotatably connected with the two sliding tube bodies 203A of the two clamp assemblies 203 one by one. The distance adjusting assembly 204 is used for adjusting the distance between the two clamp assemblies 203, so that two ends of paper rolls with different lengths can be clamped and fixed; during adjustment, the rotating hand wheel 204B is rotated to drive the distance adjusting screw 204A to rotate, the contact position of the distance adjusting screw 204A and the push-pull sliding plate 204D is changed when the distance adjusting screw 204A rotates, so that the push-pull sliding plate 204D is driven to move horizontally, the push-pull sliding plate 204D pushes or pulls the two push-pull vertical frames 204F to move oppositely or move away through the two push-pull connecting rods 204E, and the distance between the two clamp assemblies 203 is adjusted.
The tensioning limiting mechanism 3 comprises a tensioning pinch roller 301, a lifting carriage 302, an inclined connecting rod 303, a rectangular sliding rod 304, a rectangular sliding plate 305 and a tensioning spring 306; the tensioning pinch roller 301 is connected to the middle of the top surface of the lifting carriage 302 in a rotating fit manner; two ends of the lifting sliding frame 302 are respectively matched in the left longitudinal slide way and the right longitudinal slide way inside the U-shaped stand 201 in a sliding way; the middle of the bottom end of the lifting carriage 302 is rotatably connected with one end of the inclined connecting rod 303; the other end of the inclined connecting rod 303 is rotatably connected to the outer end of the rectangular sliding rod 304; the middle part of the rectangular sliding rod 304 is in sliding fit with the frame 5; the inner end of the rectangular slide bar 304 is fixedly connected with the rectangular sliding plate 305; the rectangular sliding plate 305 is in sliding fit in a sliding plate groove on the top surface of the rack 5; a tension spring 306 is sleeved on the rectangular sliding rod 304, and two ends of the tension spring 306 are respectively and fixedly connected with the outer side surface of the rectangular sliding plate 305 and the outer end of the inner part of the sliding plate groove. The inside tensioning pinch roller 301 of tensioning stop gear 3 is used for on the lateral surface of the paper of roll extrusion on the paper roll, prevents that the paper on the paper roll is loose, and it is after the paper is led out and is reduced, and tensioning spring 306 drives rectangle slide 305 and is in slide inboard in the slide groove to the lower extreme through rectangle slide bar 304 pulling inclined connecting rod 303 moves to the inboard, and the upper end of inclined connecting rod 303 drives lift balladeur train 302 and is in two vertical slideways of the left and right sides of U-shaped grudging post 201 inboard slide to it is tight on the paper of roll extrusion top to drive tensioning pinch roller 301, nevertheless does not influence the work of leading out of paper.
The tensioning limiting mechanism 3 further comprises an anti-deviation stop block 307, a horizontal sliding block 308, a screwing block 309, a bidirectional screw 310 and a bearing rod seat 311; two anti-deviation stoppers 307 are arranged, and the two anti-deviation stoppers 307 are fixedly connected to the upper ends of the two horizontal sliding blocks 308; the two horizontal sliding blocks 308 are relatively and slidably matched in the horizontal slide ways of the lifting sliding frame 302; the two horizontal sliding blocks 308 are matched at the two ends of the bidirectional screw rod 310 through threads; one end of the bidirectional screw 310 is provided with left-hand threads, and the other end of the bidirectional screw 310 is provided with right-hand threads; two ends of the bidirectional screw 310 are respectively and rotatably matched on a bearing rod seat 311, and the two bearing rod seats 311 are relatively fixed at two ends of the lifting sliding frame 302; the outer end of the bidirectional screw 310 is fixedly connected with a screwing block 309; the height of the top surface of the anti-deflection block 307 is higher than the height of the top surface of the tension pinch roller 301. The tensioning limiting mechanism 3 further comprises an anti-deviation stop block 307, a horizontal sliding block 308, a screwing block 309, a bidirectional screw 310 and a bearing rod seat 311; it can drive two-way screw 310 to revolve wrong piece 309, two-way screw 310 can drive two horizontal sliding blocks 308 and slide or deviate from the slip in opposite directions in the horizontal slide of lift balladeur train 302 when rotating, thereby adjust the distance between the dog 307 of preventing shifting, it is spacing to carry out appropriate stopping to the both sides of paper through two dog 307 of preventing shifting, reduce the probability that the paper takes place the skew in the transportation process of leading away, improve the paper and lead away the stability in the transportation process, the both ends of the medial surface of two dog 307 of preventing shifting all are equipped with the fillet, prevent that it from causing the damage to the paper.
The principle is as follows: when the paper conveying system for the packaging and printing equipment is used, a paper roll wound with a paper roll is mounted on the paper guiding and opening mechanism 2, the lower end of the paper roll on the paper roll is pressed against through the tensioning limiting mechanism 3, the movable end of the paper roll penetrates through the lower end of the paper conveying mechanism 4, paper is pressed on the rack 5 through the paper conveying mechanism 4, the guided paper is kept in a tensioned and stretched state, then the driving mechanism 1 is started, the driving mechanism 1 can drive the paper guiding and opening mechanism 2 and the paper conveying mechanism 4 to synchronously work after being started, and the paper guiding and opening mechanism 2 guides the paper roll and simultaneously drives the guided paper to convey forwards through the paper conveying mechanism 4 so as to be convenient for matching with other printing and processing equipment to perform subsequent processing work of packaging and printing paper; the paper unwinding mechanism 2 capable of fixing the paper rolls of different sizes is adopted, so that the paper wound on the paper rolls can be unwound and conveyed conveniently, and the tensioning limiting mechanism 3 capable of automatically compressing along with the gradual reduction of the paper rolls is adopted, so that the paper is in a stretched state, the phenomenon that the subsequent processing quality of the paper is influenced by indentation or offset caused by the loose paper is prevented, and the quality of printing and processing the paper is improved; according to the invention, the paper opening mechanism 2 is controlled by one motor to open the paper, and the paper conveying mechanism 4 is controlled to convey the opened paper, so that the continuity of the equipment is good, and the operation is stable; the paper conveying mechanism 4 in the paper feeding device can convey paper with different thicknesses and perform leveling treatment to a certain extent, so that paper wrinkling is prevented, and the paper conveying mechanism 4 can be adaptively adjusted according to the thickness of the paper, is suitable for the paper with different thicknesses and does not need manual adjustment.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. Packaging is paper conveying system for lithography apparatus, including actuating mechanism (1), paper unwinding mechanism (2), tensioning stop gear (3), paper conveying mechanism (4) and frame (5), its characterized in that: the driving mechanism (1), the paper guiding-opening mechanism (2) and the paper conveying mechanism (4) are all connected to the rack (5); the driving mechanism (1) is in transmission connection with the paper guide-opening mechanism (2) and the paper conveying mechanism (4); the paper guide-opening mechanism (2) and the paper conveying mechanism (4) are arranged oppositely; the lower end of the tensioning limiting mechanism (3) is connected to the rack (5), and the upper end of the tensioning limiting mechanism (3) is connected to the inner side of the paper unwinding mechanism (2) in a matched mode.
2. The paper conveying system for a package printing apparatus according to claim 1, wherein: the driving mechanism (1) comprises a servo motor (101) with a speed reducer, a worm (102), a first worm wheel (103), a linkage shaft (104), a first belt wheel (105), a second belt wheel (106), a second worm wheel (107) and a transmission shaft (108); the servo motor (101) is fixedly connected to the rack (5) through a motor support; an output shaft of the servo motor (101) is in transmission connection with the worm (102) through a coupler; the worm (102) is in meshed transmission connection with the first worm wheel (103) and the second worm wheel (107); the first worm wheel (103) and the first belt wheel (105) are fixedly connected to the linkage shaft (104), and the linkage shaft (104) is connected to the rack (5) in a rotating fit manner; the first belt wheel (105) is connected with the second belt wheel (106) through synchronous belt transmission; the second belt wheel (106) is fixedly connected to the paper guiding and opening mechanism (2); the second worm wheel (107) is fixedly connected to the transmission shaft (108); the transmission shaft (108) is in transmission connection with the paper conveying mechanism (4).
3. The paper conveying system for a package printing apparatus according to claim 2, wherein: the paper conveying mechanism (4) comprises a conveying roller (401), a roller shaft (402), a bearing frame (403), a linkage belt wheel (404), a sliding shaft (405), a tensioning pressure spring (406) and a disc seat (407); two roll shafts (402) are arranged, and the two roll shafts (402) are relatively rotatably connected to the front end and the rear end of the bearing shaft frame (403); the two roll shafts (402) are respectively fixedly connected with a conveying roll (401); the conveying roller (401) is matched on the top surface of the rack (5) in a rolling way; the left side and the right side of the bearing frame (403) are respectively fixedly connected with the top end of a sliding shaft (405), the middle parts of the two sliding shafts (405) are in sliding fit with the two ends of the rack (5), the bottom ends of the two sliding shafts (405) are respectively fixedly connected with a disc seat (407), the two sliding shafts (405) are respectively sleeved with a tensioning pressure spring (406), and the two tensioning pressure springs (406) are positioned between the rack (5) and the two disc seats (407); the transmission shaft (108) is in transmission connection with one end of one roller shaft (402) through a coupler, the other ends of the two roller shafts (402) are respectively and fixedly connected with one linkage belt wheel (404), and the two linkage belt wheels (404) are in transmission connection through a synchronous toothed belt.
4. The paper conveying system for a package printing apparatus according to claim 3, wherein: the paper conveying mechanism (4) further comprises a leveling plate (408); the leveling plate (408) is fixedly connected to the middle of the bottom surface of the bearing shaft frame (403); the bottom surface of the leveling plate (408) is in sliding fit with the top surface of the frame (5).
5. The paper conveying system for a package printing apparatus according to claim 2, wherein: the paper unwinding mechanism (2) comprises a U-shaped stand (201), a rotating pipe assembly (202), a clamp assembly (203) and a distance adjusting assembly (204); the number of the rotating pipe assemblies (202) is two, and the two rotating pipe assemblies (202) are relatively and rotatably matched at the left end and the right end of the U-shaped stand (201); the second belt wheel (106) is fixedly connected to one rotating pipe assembly (202); the U-shaped vertical frame (201) is fixedly connected to the rack (5); the inner sides of the two rotating pipe assemblies (202) are respectively connected with a clamp assembly (203) in a sliding fit manner; the outer ends of the two clamp assemblies (203) are respectively and rotatably connected to two sides of the upper end of the distance adjusting assembly (204); the lower end of the distance adjusting component (204) is connected to the rack (5); the upper end of the tensioning limiting mechanism (3) is connected to the left end and the right end of the inner side of the U-shaped stand (201) in a matched mode.
6. The paper conveying system for a package printing apparatus according to claim 5, wherein: the rotating pipe assembly (202) comprises a rotating pipe body (202A), and the middle part of the rotating pipe body (202A) is in rotating fit with the U-shaped stand (201); the inner side surface of the rotating pipe body (202A) is provided with a convex rib (202B).
7. The paper conveying system for a package printing apparatus according to claim 6, wherein: the clamp assembly (203) comprises a sliding pipe body (203A), an outer seat plate (203B), an inner seat plate (203C), an outer connecting rod (203D), an inner connecting rod (203E), an adjusting screw rod (203F), an adjusting rotating wheel (203G) and a compression spring (203H); the middle part of the sliding pipe body (203A) is in sliding fit with the inner side of the rotating pipe body (202A); the sliding pipe body (203A) is provided with a groove which is in sliding fit with the inner convex rib (202B) of the rotating pipe body (202A); the inner end of the sliding pipe body (203A) is fixedly connected with the outer seat plate (203B); the inner side of the outer seat plate (203B) is uniformly connected with one end of three outer connecting rods (203D) in a surrounding and rotating manner, the other end of each outer connecting rod (203D) is respectively connected with one end of an inner connecting rod (203E) in a rotating manner, and the other end of each inner connecting rod (203E) is connected to the inner seat plate (203C) in a rotating manner; the inner seat plate (203C) is rotatably connected to the inner end of the adjusting screw rod (203F); the middle part of the adjusting screw rod (203F) is matched with the inner side of the sliding pipe body (203A) through threads; the outer end of the adjusting screw rod (203F) is fixedly connected with the adjusting rotating wheel (203G); a compression spring (203H) is sleeved on the adjusting screw rod (203F); two ends of the compression spring (203H) are respectively and fixedly connected with the inner seat plate (203C) and the outer seat plate (203B).
8. The paper conveying system for a package printing apparatus according to claim 7, wherein: the distance adjusting assembly (204) comprises a distance adjusting screw rod (204A), a rotating hand wheel (204B), a screw rod seat plate (204C), a push-pull sliding plate (204D), a push-pull connecting rod (204E) and a push-pull vertical frame (204F); two ends of the distance-adjusting screw (204A) are respectively and rotatably connected to a screw seat plate (204C), and the two screw seat plates (204C) are relatively and fixedly connected to the rack (5); the outer end of the distance adjusting screw rod (204A) is fixedly connected with a rotary hand wheel (204B); the middle part of the distance adjusting screw rod (204A) is connected with the push-pull sliding plate (204D) through thread matching; the push-pull sliding plate (204D) is in sliding fit with the bottom surface of the rack (5); two ends of the push-pull sliding plate (204D) are respectively and rotatably connected with the inner end of one push-pull connecting rod (204E), the outer ends of the two push-pull connecting rods (204E) are respectively and rotatably connected with the lower end of one push-pull vertical frame (204F), and the upper ends of the two push-pull vertical frames (204F) are rotatably connected with the two sliding pipe bodies (203A) of the two clamp assemblies (203) one by one.
9. The paper conveying system for a package printing apparatus according to claim 8, wherein: the tensioning limiting mechanism (3) comprises a tensioning pressing wheel (301), a lifting sliding frame (302), an inclined connecting rod (303), a rectangular sliding rod (304), a rectangular sliding plate (305) and a tensioning spring (306); the tensioning pinch roller (301) is connected to the middle of the top surface of the lifting sliding frame (302) in a rotating fit manner; two ends of the lifting sliding frame (302) are respectively matched in the left longitudinal slide way and the right longitudinal slide way on the inner side of the U-shaped stand (201) in a sliding manner; the middle of the bottom end of the lifting sliding frame (302) is rotatably connected with one end of the inclined connecting rod (303); the other end of the inclined connecting rod (303) is rotatably connected to the outer end of the rectangular sliding rod (304); the middle part of the rectangular sliding rod (304) is in sliding fit with the rack (5); the inner end of the rectangular sliding rod (304) is fixedly connected with the rectangular sliding plate (305); the rectangular sliding plate (305) is in sliding fit in a sliding plate groove on the top surface of the rack (5); the rectangular sliding rod (304) is sleeved with a tensioning spring (306), and two ends of the tensioning spring (306) are fixedly connected with the outer side face of the rectangular sliding plate (305) and the outer end of the inner part of the sliding plate groove respectively.
10. The paper conveying system for a package printing apparatus according to claim 9, wherein: the tensioning limiting mechanism (3) further comprises an anti-deviation stop block (307), a horizontal sliding block (308), a screwing block (309), a bidirectional screw rod (310) and a bearing rod seat (311); the number of the anti-deviation stoppers (307) is two, and the two anti-deviation stoppers (307) are fixedly connected to the upper ends of the two horizontal sliding blocks (308); the two horizontal sliding blocks (308) are relatively matched in a sliding way in the horizontal sliding way of the lifting sliding frame (302); the two horizontal sliding blocks (308) are matched at the two ends of the bidirectional screw rod (310) through threads; one end of the bidirectional screw (310) is provided with left-hand threads, and the other end of the bidirectional screw (310) is provided with right-hand threads; two ends of the bidirectional screw (310) are respectively and rotatably matched on a bearing rod seat (311), and the two bearing rod seats (311) are relatively fixed at two ends of the lifting sliding frame (302); the outer end of the bidirectional screw (310) is fixedly connected with a screwing block (309); the height of the top surface of the deviation preventing block (307) is higher than that of the top surface of the tensioning pinch roller (301).
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| CN202010773768.8A CN111994676B (en) | 2020-08-04 | 2020-08-04 | Paper conveying system for package printing equipment |
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