CN216711076U

CN216711076U - Feeding mechanism for flexible board printing

Info

Publication number: CN216711076U
Application number: CN202123181886.9U
Authority: CN
Inventors: 万红杰; 万鹏飞; 邓日飞; 李博; 万新科
Original assignee: Dongguan Rongzhong Industrial Co ltd
Current assignee: Dongguan Rongzhong Industrial Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-06-10
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a feeding mechanism for flexible board printing, which comprises a base, a top plate and a material storage roller, wherein the top of the base is provided with an underframe and a vertical frame, and the underframe and the vertical frame are symmetrically arranged in two; the top end of each underframe is provided with one first movable frame, and the underframe and the first movable frame are connected in a rotating manner; according to the utility model, the first movable frame and the second movable frame are arranged, when printing paper is replaced and unreeled, the printing paper can be disassembled by rotating the fixing piece anticlockwise, the disassembly and assembly of the storage roller can be rapidly completed by rotating the second movable frame, meanwhile, the second movable frame and the first movable frame can be re-fixed by rotating the fixing piece clockwise, the second movable frame after the fixation is completed is matched with the first movable frame to form a bearing structure, so that the storage roller can be stably supported when the first movable frame rotates to any angle, meanwhile, the sliding roller can greatly reduce the resistance of the storage roller during the rotation, and the use stability is improved.

Description

Feeding mechanism for flexible board printing

Technical Field

The utility model particularly relates to the related technical field of flexographic printing, and particularly relates to a feeding mechanism for flexographic printing.

Background

Flexographic printing, also often referred to as flexographic printing for short, uses the flexographic plate, through the reticulation ink transfer roller transfer printing ink to carry out a printing mode of seal, flexographic printing, the printing plate generally adopts the photosensitive resin version of thickness 1-5mm, the printing ink divides into three main categories, is aqueous ink, mellow wine soluble printing ink, UV printing ink respectively, because the printing ink that the flexographic printing used accords with green, has been used for food packaging printing in a large number, and the prospect is wide, flexographic printing belongs to the relief printing type, and flexographic printing is continuous processing usually in the printing process, therefore need cooperate continuous feeding mechanism to use.

The feeding mechanism used at present is simple in structure, generally pulls through the winding mechanism at the tail end of the printing device when in use, therefore, the manual reverse pulling is needed when the printing device is installed and unreeled, and meanwhile, the position of the unreeling mechanism is generally fixed, so that when printing paper on the unreeling mechanism is far away from the winding mechanism, the printing paper is fixedly connected and is unchanged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a feeding mechanism for flexible board printing, which aims to solve the problem that the feeding mechanism used at present in the background art is simple in structure, usually needs to be pulled by a winding mechanism at the tail end of a printing device when in use, so that manual reverse pulling is needed when in installation and unwinding, and meanwhile, the position of the unwinding mechanism is usually fixed, so that printing paper on the unwinding mechanism is fixedly connected when the printing paper is far away from the winding mechanism, so that the printing paper is not changed.

In order to achieve the purpose, the utility model provides the following technical scheme:

as a further scheme of the utility model: a feeding mechanism for flexible board printing comprises a base, a top plate and a material storage roller, wherein the top of the base is provided with an underframe and two vertical frames, and the underframe and the vertical frames are symmetrically arranged; the top end of each underframe is provided with a first movable frame, and the underframe and the first movable frame are connected in a rotating manner; a second movable frame is arranged at the top end of each first movable frame, and the second movable frame is rotatably connected with the first movable frame; a first guide roller is arranged at the upper part between the two vertical frames, a second guide roller is arranged at one side between the two vertical frames, which is close to the first movable frame, and the height of the second guide roller is lower than that of the first guide roller; the top plate is arranged at the top ends of the two vertical frames, and two ends of the top plate are respectively provided with an air cylinder; the upper part of the first guide roller is provided with two transmission rollers which are symmetrically arranged, and the two transmission rollers are respectively connected with the guide groove; the guide groove is formed in the vertical frame; the storage roller is arranged between the two first movable frames.

As a further scheme of the utility model: one side of each vertical frame, which is close to the underframe, is provided with a pneumatic pull rod, and the pneumatic pull rods are connected with the vertical frames in a rotating manner; the other end of each pneumatic pull rod is respectively and rotationally connected with one first movable frame, and the first movable frame is matched with the pneumatic pull rods to form a rotating structure with the vertical frame.

As a further scheme of the utility model: one end of the second movable frame is matched with the fixed piece to be connected with the first movable frame, the fixed piece is of a screw rod structure, and meanwhile, the fixed piece is in threaded connection with the second movable frame and the first movable frame; the both ends of storage roller establish respectively between two second adjustable shelf and two first adjustable shelves, and the one side that second adjustable shelf and first adjustable shelf are close to the storage roller outer wall all is equidistant three smooth roller of installing, the connected mode of smooth roller and storage roller is sliding connection simultaneously.

As a further scheme of the utility model: the connection mode of driving roller and guide way be sliding connection, and the both ends of every driving roller run through an end shell respectively and are connected with an engaging wheel, the connection mode of driving roller and end shell is connected for rotating simultaneously.

As a further scheme of the utility model: the top both ends of roof install one respectively the cylinder, and every cylinder runs through the roof respectively and is connected with an end shell, cylinder cooperation end shell constitutes elevation structure with the driving roller simultaneously.

As a further scheme of the utility model: and each synchronous motor is rotatably connected with a driving wheel, and the driving wheels are respectively meshed with the two meshing wheels on the same side.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the pneumatic pull rod is arranged, the first movable frame can be driven to integrally rotate through the pneumatic pull rod, so that the distance between the storage roller and the first guide roller is dynamically adjusted, when the printing paper is replaced and unreeled, the printing paper left on the first guide roller can be unreeled close to the printing paper to the maximum extent, and the convenience of the printing paper in connection is improved.

According to the utility model, the first movable frame and the second movable frame are arranged, when printing paper is replaced and unreeled, the printing paper can be disassembled by rotating the fixing piece anticlockwise, the disassembly and assembly of the storage roller can be rapidly completed by rotating the second movable frame, meanwhile, the second movable frame and the first movable frame can be re-fixed by rotating the fixing piece clockwise, the second movable frame after the fixation is completed is matched with the first movable frame to form a bearing structure, so that the storage roller can be stably supported when the first movable frame rotates to any angle, meanwhile, the resistance of the storage roller during rotation can be greatly reduced by the sliding roller, and the use stability is improved.

According to the utility model, the transmission rollers are arranged, the heights of the two transmission rollers are adjusted by matching the air cylinder with the two end shells, when the transmission rollers are at the minimum height, printing paper is clamped by matching the two transmission rollers with the first guide roller, in the process of connecting the printing paper, the two transmission rollers can be synchronously driven to rotate in the same direction by matching the transmission wheel and the meshing wheel through the synchronous motor, so that the printing paper is reversely drawn, in a processing state, the transmission direction of the printing paper is guided through the first guide roller and the second guide roller, and at the moment, the transmission rollers are far away from the first guide roller, and the transmission rollers are not in contact with the printing paper, so that the transmission of the printing paper is not influenced.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a rear view of fig. 1 of the present invention.

Fig. 3 is a bottom view of fig. 1 of the present invention.

Fig. 4 is a schematic top plan view of the present invention.

Fig. 5 is a sectional view taken along the line a-a in fig. 4 according to the present invention.

In the figure: 1. a base; 2. a chassis; 3. erecting a frame; 4. a first movable frame; 5. a pneumatic pull rod; 6. a second movable frame; 7. a sliding roller; 8. a fixing member; 9. a first guide roller; 10. a second guide roller; 11. a driving roller; 12. a guide groove; 13. an end shell; 14. an engaging wheel; 15. a top plate; 16. A cylinder; 17. a synchronous motor; 18. a driving wheel; 19. and a material storage roller.

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. 1-5, in an embodiment of the present invention, a feeding mechanism for flexographic printing includes a base 1, a top plate 15, and a storage roller 19, wherein the top of the base 1 is provided with a bottom frame 2 and a vertical frame 3, and the bottom frame 2 and the vertical frame 3 are symmetrically provided in two; the top end of each underframe 2 is provided with a first movable frame 4, and the underframe 2 is connected with the first movable frame 4 in a rotating way; a second movable frame 6 is arranged at the top end of each first movable frame 4, and the second movable frame 6 is rotatably connected with the first movable frame 4; a first guide roller 9 is arranged at the upper part between the two vertical frames 3, a second guide roller 10 is arranged at one side between the two vertical frames 3, which is close to the first movable frame 4, and the height of the second guide roller 10 is lower than that of the first guide roller 9; the top plate 15 is arranged at the top ends of the two vertical frames 3, and two ends of the top plate 15 are respectively provided with a cylinder 16; the upper part of the first guide roller 9 is provided with two transmission rollers 11, and the two transmission rollers 11 are symmetrically arranged, and the two transmission rollers 11 are respectively connected with the guide groove 12; the guide groove 12 is arranged on the vertical frame 3; the storing roller 19 is arranged between the two first movable frames 4.

According to the technical scheme, in a processing state, the transmission direction of the printing paper is guided through the first guide roller 9 and the second guide roller 10, at the moment, the transmission roller 11 is far away from the first guide roller 9, the transmission roller 11 is not in contact with the printing paper, and the transmission of the printing paper cannot be influenced.

In this embodiment, a pneumatic pull rod 5 is installed on one side of each vertical frame 3 close to the bottom frame 2, and the pneumatic pull rod 5 is rotatably connected with the vertical frame 3; the other end of each pneumatic pull rod 5 is respectively connected with one first movable frame 4 in a rotating mode, and the first movable frame 4 is matched with the pneumatic pull rods 5 to form a rotating structure with the vertical frame 3.

According to the technical scheme, the first movable frame 4 can be driven to integrally rotate through the pneumatic pull rod 5, dynamic adjustment is carried out on the space between the storage roller 19 and the first guide roller 9, when printing paper is replaced to be unreeled, printing paper left over on the first guide roller 9 can be maximally close to the printing paper to be unreeled, and convenience of the printing paper in connection is improved.

In this embodiment, one end of the second movable frame 6 is connected to the first movable frame 4 in cooperation with the fixed member 8, the fixed member 8 is in a screw structure, and the fixed member 8 is in threaded connection with the second movable frame 6 and the first movable frame 4; the both ends of storage roller 19 establish respectively between two second adjustable shelf 6 and two first adjustable shelf 4, and second adjustable shelf 6 and one side that first adjustable shelf 4 is close to storage roller 19 outer wall all are equidistant three smooth roller 7 of installing, smooth roller 7 is sliding connection with storage roller 19's connected mode simultaneously.

According to the above technical scheme, when changing beat printing paper and unreeling, can dismantle through anticlockwise rotation mounting 8, can accomplish the dismouting of storage roller 19 fast through rotating second adjustable shelf 6, can make second adjustable shelf 6 and first adjustable shelf 4 fix again through clockwise rotation mounting 8 simultaneously, second adjustable shelf 6 after the fixed completion cooperates first adjustable shelf 4 to constitute a class bearing structure, ensure that all can stable support storage roller 19 when first adjustable shelf 4 rotates to arbitrary angle, smooth roller 7 can reduce the resistance that storage roller 19 received when rotating widely simultaneously, and the stability in use is improved.

In this embodiment, the driving rollers 11 are connected to the guide grooves 12 in a sliding manner, and both ends of each driving roller 11 penetrate through an end shell 13 to be connected to an engaging wheel 14, while the driving rollers 11 are connected to the end shells 13 in a rotating manner.

According to the technical scheme, the sliding direction and the sliding distance of the driving roller 11 are limited through the guide groove 12, and the driving roller 11 is prevented from being excessively close to the first guide roller 9 when descending to cause extrusion deformation of printing paper.

In this embodiment, the two ends of the top plate 15 are respectively provided with one of the cylinders 16, each cylinder 16 respectively penetrates through the top plate 15 to be connected with one of the end shells 13, and the cylinders 16 cooperate with the end shells 13 to form a lifting structure with the driving roller 11.

According to above-mentioned technical scheme, adjust the place height of two driving rollers 11 through two end shells 13 of cylinder 16 cooperation, when driving roller 11 was in minimum height, press from both sides tight printing paper through two driving rollers 11 cooperation first guide roll 9, improved the use convenience.

In this embodiment, a synchronous motor 17 is mounted on the outer wall of each end shell 13, and each synchronous motor 17 is rotatably connected with a driving wheel 18, and the driving wheels 18 are respectively engaged with two engaging wheels 14 on the same side.

According to the technical scheme, in the process of connecting printing paper, the synchronous motor 17 is matched with the driving wheel 18 and the meshing wheel 14 to synchronously drive the two driving rollers 11 to rotate in the same direction, so that the printing paper is reversely drawn, and the convenience of connecting the printing paper is improved.

The working principle of the utility model is as follows: in the processing process, after the used printing paper is unreeled and used up, an external power supply is switched on, the two cylinders 16 are simultaneously started, the two end shells 13 are matched to drive the two transmission rollers 11 to descend to the bottommost part along the guide grooves 12, at the moment, the two transmission rollers 11 are matched with the first guide roller 9 to clamp the tail end of the printing paper, then, the two pneumatic pull rods 5 are simultaneously started to push the first movable frame 4 to turn downwards, then, the fixed member 8 is rotated anticlockwise to disconnect the fixed member 8 from the first movable frame 4, at the moment, the second movable frame 6 is rotated to replace the storage roller 19, then, the fixed member 8 is rotated clockwise to re-fix the fixed member 8 and the first movable frame 4, the first movable frame 4 is matched with the second movable frame 6 to clamp the two ends of the storage roller 19, then, the pneumatic pull rods 5 are restarted to pull the first movable frame 4 and the storage roller 19 to turn upwards, then start two synchronous machine 17 simultaneously, cooperation drive wheel 18 and engaging wheel 14 drive two driving roller 11 and begin to rotate, and then pull printing paper and slide to the direction of storage roller 19 at a slow speed, unreel the printing paper of wrapping up outside terminal and the storage roller 19 of printing paper afterwards and carry out fixed connection, restart two cylinders 16 at last, upwards stimulate driving roller 11, make driving roller 11 break away from printing paper can.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a feeding mechanism of flexographic printing which characterized in that: the device comprises a base (1), a top plate (15) and a storage roller (19), wherein the top of the base (1) is provided with an underframe (2) and a vertical frame (3), and the underframe (2) and the vertical frame (3) are symmetrically arranged in two; the top end of each underframe (2) is provided with a first movable frame (4), and the underframe (2) is rotatably connected with the first movable frame (4); a second movable frame (6) is arranged at the top end of each first movable frame (4), and the second movable frames (6) are rotatably connected with the first movable frames (4); a first guide roller (9) is arranged at the upper part between the two vertical frames (3), a second guide roller (10) is arranged at one side, close to the first movable frame (4), between the two vertical frames (3), and the height of the second guide roller (10) is lower than that of the first guide roller (9); the top plate (15) is arranged at the top ends of the two vertical frames (3), and two ends of the top plate (15) are respectively provided with a cylinder (16); the upper part of the first guide roller (9) is provided with two transmission rollers (11), and the two transmission rollers (11) are symmetrically arranged, and the two transmission rollers (11) are respectively connected with the guide groove (12); the guide groove (12) is arranged on the vertical frame (3); the storage roller (19) is arranged between the two first movable frames (4).

2. The flexographic printing feed mechanism of claim 1, wherein: one side of each vertical frame (3) close to the bottom frame (2) is provided with a pneumatic pull rod (5), and the pneumatic pull rods (5) are rotatably connected with the vertical frames (3); the other end of each pneumatic pull rod (5) is respectively connected with one first movable frame (4) in a rotating mode, and the first movable frame (4) is matched with the pneumatic pull rods (5) to form a rotating structure with the vertical frame (3).

3. The flexographic printing feed mechanism of claim 1, further comprising: one end of the second movable frame (6) is matched with the fixed piece (8) to be connected with the first movable frame (4), the fixed piece (8) is of a screw rod structure, and meanwhile, the fixed piece (8) is in threaded connection with the second movable frame (6) and the first movable frame (4); the both ends of storage roller (19) establish respectively between two second adjustable shelf (6) and two first adjustable shelf (4), and second adjustable shelf (6) and first adjustable shelf (4) are close to one side of storage roller (19) outer wall and all are equidistant three smooth roller (7) of installing, the connected mode of smooth roller (7) and storage roller (19) is sliding connection simultaneously.

4. The flexographic printing feed mechanism of claim 1, further comprising: the connecting mode of driving roller (11) and guide way (12) be sliding connection, and the both ends of every driving roller (11) run through an end shell (13) respectively and are connected with an engaging wheel (14), the connecting mode of driving roller (11) and end shell (13) is for rotating the connection simultaneously.

5. The flexographic printing feed mechanism of claim 1, further comprising: the lifting structure is characterized in that the two ends of the top plate (15) are respectively provided with one air cylinder (16), each air cylinder (16) penetrates through the top plate (15) and is connected with one end shell (13), and meanwhile the air cylinders (16) are matched with the end shells (13) and the driving rollers (11) to form the lifting structure.

6. The flexographic printing feed mechanism of claim 4, wherein: the outer wall of each end shell (13) is provided with a synchronous motor (17), each synchronous motor (17) is rotatably connected with a driving wheel (18), and the driving wheels (18) are respectively meshed with the two meshing wheels (14) on the same side.