CN216711076U - Feeding mechanism for flexible board printing - Google Patents

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

A flexographic printing feeding mechanism

technical field

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

Background technique

Flexographic printing, also often referred to as flexographic printing, is a printing method that uses a flexographic plate and transfers ink through an anilox roller. Divided into three categories, namely water-based inks, alcohol-soluble inks, and UV inks. Since the inks used in flexographic printing are environmentally friendly, they have been widely used in food packaging printing and have broad prospects. Flexographic printing is a letterpress type, while flexo printing Printing is usually processed continuously during the printing process, so it needs to be used with a continuous feeding mechanism.

The currently used feeding mechanism has a simple structure, and is usually pulled by the winding mechanism at the end of the printing device. Therefore, manual reverse traction is required when installing and unwinding, and the position of the unwinding mechanism is usually fixed. Therefore, When the printing paper on the unwinding mechanism is far away from the winding mechanism, the existence of the fixed connection printing paper does not change.

Utility model content

The purpose of the present invention is to provide a feeding mechanism for flexographic printing, so as to solve the problem that the currently used feeding mechanism proposed in the above background technology is simple in structure, and is usually pulled by the winding mechanism at the end of the printing device during use. When installing and unwinding, manual reverse traction is required, and the position of the unwinding mechanism is usually fixed. Therefore, when the printing paper on the unwinding mechanism is far away from the winding mechanism, there is a constant problem of fixedly connecting the printing paper.

To achieve the above object, the utility model provides the following technical solutions:

As a further solution of the present invention: a flexographic printing feeding mechanism, including a base, a top plate and a storage roller, the top of the base is provided with a bottom frame and a vertical frame, and the bottom frame and the vertical frame are symmetrical There are two; a first movable frame is installed on the top of each of the bottom frames, and the connection mode between the bottom frame and the first movable frame is rotational connection; the top of each of the first movable frames is A second movable frame is installed, and the connection between the second movable frame and the first movable frame is rotational connection; a first guide roller is installed on the upper part between the two vertical frames, and the two vertical frames are close to each other. One side of the first movable frame is provided with a second guide roller, and the height of the second guide roller is lower than that of the first guide roller; the top plate is installed on the top of the two vertical frames, and the top ends of the top plate are respectively A cylinder is installed; the upper part of the first guide roller is provided with a drive roller, and two drive rollers are arranged symmetrically, and the two drive rollers are respectively connected with the guide groove; the guide groove is opened in the vertical on the rack; the storage roller is arranged between the two first movable racks.

As a further solution of the present utility model: a pneumatic pull rod is installed on one side of each of the vertical frames close to the bottom frame, and the connection between the pneumatic pull rod and the vertical frame is a rotational connection; the other side of each of the pneumatic pull rods One end is respectively rotatably connected with a first movable frame, and the first movable frame cooperates with the pneumatic pull rod and the vertical frame to form a rotating structure.

As a further solution of the present invention: one end of the second movable frame is connected with the first movable frame with the fixing member, and the fixing member is in a screw structure, and the fixing member is connected with the second movable frame and the first movable frame at the same time. Both ends of the storage roller are set between the two second movable frames and the two first movable frames, and the second movable frame and the first movable frame are close to the outer wall of the storage roller. Three sliding rollers are installed at equal intervals on one side, and the connection between the sliding rollers and the storage roller is sliding connection.

As a further solution of the present utility model: the connection between the drive roller and the guide groove is a sliding connection, and the two ends of each drive roller pass through an end shell respectively and are connected with a meshing wheel, and at the same time the drive roller and the end shell are connected with each other. The connection method is a rotary connection.

As a further solution of the present utility model: the top two ends of the top plate are respectively equipped with one of the cylinders, and each cylinder penetrates through the top plate and is connected to an end shell, and the cylinder cooperates with the end shell and the transmission roller to form a lifting structure .

As a further solution of the present utility model: a synchronous motor is installed on the outer wall of each of the end shells, and each synchronous motor is rotatably connected with a transmission wheel, and the transmission wheel is respectively connected with the two described The meshing wheel meshing connection.

Compared with the prior art, the beneficial effects of the present utility model are:

The utility model is provided with a pneumatic pull rod, and the first movable frame can be driven to rotate as a whole through the pneumatic pull rod, and then the distance between the storage roller and the first guide roller can be dynamically adjusted. The printing paper left on the first guide roller can be unrolled as close as possible to the printing paper, which improves the convenience when the printing paper is connected.

The utility model is provided with a first movable frame and a second movable frame. When the printing paper is replaced and unrolled, the fixing member can be disassembled by rotating counterclockwise, and the disassembly and assembly of the storage roller can be quickly completed by rotating the second movable frame. At the same time, the second movable frame can be re-fixed with the first movable frame by rotating the fixing piece clockwise. The storage roller can be stably supported at any angle, and the sliding roller can greatly reduce the resistance of the storage roller when it rotates, and improve the stability of use.

The utility model is provided with a transmission roller, the height of the two transmission rollers is adjusted through the air cylinder in cooperation with the two end shells, when the transmission roller is at the minimum height, the two transmission rollers cooperate with the first guide roller to clamp the printing paper, In the process of connecting the printing paper, the synchronous motor cooperates with the transmission wheel and the meshing wheel to drive the two transmission rollers to rotate in the same direction, thus pulling the printing paper in the opposite direction. The second guide roller guides the transmission direction of the printing paper. At this time, the transmission roller is far away from the first guiding roller, and the transmission roller and the printing paper do not contact each other, which will not affect the transmission of the printing paper.

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram 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 plan view of the structure of the present invention.

FIG. 5 is a cross-sectional view of the present utility model in the direction of A-A in FIG. 4 .

In the figure: 1. base; 2. bottom frame; 3. vertical frame; 4. first movable frame; 5. pneumatic pull rod; 6. second movable frame; 7. sliding roller; 8. fixing part; 9. first Guide roller; 10, Second guide roller; 11, Drive roller; 12, Guide groove; 13, End shell; 14, Engagement wheel; 15, Top plate; 16, Air cylinder; 17, Synchronous motor; 18, Drive wheel; Stock Roller.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-5. In the embodiment of the present invention, a flexographic printing feeding mechanism includes a base 1, a top plate 15 and a storage roller 19. 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 provided with two symmetrically; the top of each said bottom frame 2 is installed with a first movable frame 4, and the bottom frame 2 and the first movable frame 4 The connection mode is a rotary connection; a second movable frame 6 is installed on the top of each of the first movable frames 4, and the connection mode of the second movable frame 6 and the first movable frame 4 is a rotary connection; A first guide roller 9 is installed on the upper part between the vertical frames 3, and a second guide roller 10 is arranged between the two vertical frames 3 on the side close to the first movable frame 4, and the height of the second guide roller 10 is low. at the height of the first guide roller 9; the top plate 15 is installed on the top of the two vertical frames 3, and the top ends of the top plate 15 are respectively installed with a cylinder 16; the upper part of the first guide roller 9 is provided with Drive rollers 11, and two drive rollers 11 are symmetrically arranged, and at the same time, the two drive rollers 11 are respectively connected with the guide grooves 12; the guide grooves 12 are set on the vertical frame 3; the storage rollers 19 It is arranged between the two first movable frames 4 .

According to the above technical solution, in the processing state, the driving direction of the printing paper is guided by the first guiding roller 9 and the second guiding roller 10. At this time, the driving roller 11 is far away from the first guiding roller 9, and the driving roller 11 is connected to the printing paper. They are not in contact with each other and will not affect the transmission of the printing paper.

In this embodiment, a pneumatic pull rod 5 is installed on the side of each of the vertical frames 3 close to the bottom frame 2, and the connection between the pneumatic pull rod 5 and the vertical frame 3 is a rotational connection; The other ends of the pull rods 5 are respectively connected with one of the first movable frames 4 in rotation, and the first movable frame 4 cooperates with the pneumatic pull rods 5 and the vertical frame 3 to form a rotating structure.

According to the above technical solution, the first movable frame 4 can be driven to rotate as a whole by the pneumatic pull rod 5, and then the distance between the storage roller 19 and the first guide roller 9 can be dynamically adjusted. The printing paper left on the first guide roller 9 can be unrolled as close as possible to the printing paper, which improves the convenience when the printing paper is connected.

In this embodiment, one end of the second movable frame 6 is connected to the first movable frame 4 with the fixing member 8 , and the fixing member 8 has a screw structure, and the fixing member 8 is connected to the second movable frame 6 and the first movable frame 4 The connection methods of the movable frames 4 are all screw connections; the two ends of the storage roller 19 are respectively arranged between the two second movable frames 6 and the two first movable frames 4, and the second movable frames 6 and the One side of the movable frame 4 close to the outer wall of the storage roller 19 is installed with three sliding rollers 7 at equal intervals, and the sliding connection between the sliding rollers 7 and the storage roller 19 is sliding connection.

According to the above technical solution, when replacing the printing paper and unwinding, it can be disassembled by rotating the fixing member 8 counterclockwise, and the disassembly and assembly of the storage roller 19 can be quickly completed by rotating the second movable frame 6. At the same time, by rotating the fixing member clockwise 8. The second movable frame 6 and the first movable frame 4 can be re-fixed, and the second movable frame 6 after the fixing is completed cooperates with the first movable frame 4 to form a bearing-like structure to ensure that when the first movable frame 4 rotates to any angle Both can stably support the storage roller 19, and at the same time, the sliding roller 7 can greatly reduce the resistance that the storage roller 19 receives when it rotates, and improve the use stability.

In this embodiment, the connection mode of the transmission roller 11 and the guide groove 12 is sliding connection, and the two ends of each transmission roller 11 respectively penetrate through an end shell 13 and are connected with a meshing wheel 14, while the transmission roller 11 The connection with the end shell 13 is a rotational connection.

According to the above technical solution, the sliding direction and sliding distance of the driving roller 11 are limited by the guide groove 12 to avoid the driving roller 11 being too close to the first guide roller 9 when it descends and causing the printing paper to be squeezed and deformed.

In this embodiment, the top two ends of the top plate 15 are respectively installed with one of the cylinders 16 , and each cylinder 16 penetrates through the top plate 15 and is connected to an end shell 13 , and the cylinder 16 cooperates with the end shell 13 and the end shell 13 respectively. The drive roller 11 constitutes a lifting structure.

According to the above technical solution, the heights of the two drive rollers 11 are adjusted through the air cylinder 16 and the two end shells 13. When the drive rollers 11 are at the minimum height, the two drive rollers 11 cooperate with the first guide roller 9 to clamp and print. paper, improving the convenience of use.

In this embodiment, a synchronous motor 17 is installed on the outer wall of each end shell 13, and each synchronous motor 17 is rotatably connected with a transmission wheel 18, and the transmission wheel 18 is respectively connected to the two motors on the same side. Each of the meshing wheels 14 is meshed and connected.

According to the above technical solution, in the process of connecting the printing paper, the synchronous motor 17 cooperates with the transmission wheel 18 and the meshing wheel 14 to synchronously drive the two transmission rollers 11 to rotate in the same direction, so that the printing paper is pulled in the reverse direction, which improves the Convenience when printing paper is connected.

The working principle of the utility model is as follows: in the process of processing, when the used printing paper is used up, the external power supply is turned on, and the two air cylinders 16 are activated at the same time, and the two end shells 13 are used to drive the two transmission rollers 11 along the guide. The groove 12 descends to the bottom. At this time, the two drive rollers 11 cooperate with the first guide roller 9 to clamp the end of the printing paper, and then simultaneously activate the two pneumatic pull rods 5 to push the first movable frame 4 to start turning down, and then counterclockwise. Rotate the fixing member 8 to disconnect the fixing member 8 from the first movable frame 4, then rotate the second movable frame 6 to replace the storage roller 19, and then turn the fixing member 8 clockwise to make the fixing member 8 and the first movable frame 4. A movable frame 4 is re-fixed, the first movable frame 4 cooperates with the second movable frame 6 to clamp both ends of the storage roller 19, and then the pneumatic pull rod 5 is restarted to pull the first movable frame 4 and the storage roller 19 to start turning upward. , and then start the two synchronous motors 17 at the same time, cooperate with the transmission wheel 18 and the meshing wheel 14 to drive the two transmission rollers 11 to start to rotate, and then pull the printing paper to slide slowly in the direction of the storage roller 19, and then connect the end of the printing paper to the storage roller 19. The printing paper wrapped around the feed roller 19 is unrolled for fixed connection, and finally the two air cylinders 16 are restarted, and the transmission roller 11 is pulled upward to make the transmission roller 11 separate from the printing paper.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. A feeding mechanism for flexographic printing, characterized in that: it comprises a base (1), a top plate (15) and a storage roller (19), and the top of the base (1) is provided with a bottom frame (2) and a vertical frame (3), and two of the bottom frame (2) and the vertical frame (3) are arranged symmetrically; a first movable frame (4) is installed on the top of each said bottom frame (2) , and the connection mode of the bottom frame (2) and the first movable frame (4) is a rotational connection; a second movable frame (6) is installed on the top of each of the first movable frames (4), and the first movable frame (4) is installed with a second movable frame (6). The connection between the two movable frames (6) and the first movable frame (4) is rotational connection; a first guide roller (9) is installed on the upper part of the two vertical frames (3), and the two vertical frames ( 3) A second guide roller (10) is arranged on the side close to the first movable frame (4), and the height of the second guide roller (10) is lower than the height of the first guide roller (9); the said The top plate (15) is installed on the top ends of the two vertical frames (3), and a cylinder (16) is respectively installed on the top ends of the top plate (15); the upper part of the first guide roller (9) is provided with a transmission roller (11), and two drive rollers (11) are symmetrically arranged, and at the same time, the two drive rollers (11) are respectively connected with the guide grooves (12); the guide grooves (12) are opened on the vertical frame (3). ); the storage roller (19) is arranged between the two first movable frames (4). 2. A feeding mechanism for flexographic printing according to claim 1, characterized in that: a pneumatic pull rod (5) is installed on one side of each of the vertical frames (3) close to the bottom frame (2). , and the connection mode of the pneumatic pull rod (5) and the vertical frame (3) is a rotational connection; the other end of each of the pneumatic pull rods (5) is rotatably connected to a first movable frame (4), and The first movable frame (4) cooperates with the pneumatic pull rod (5) and the vertical frame (3) to form a rotating structure. 3. A flexographic printing feeding mechanism according to claim 1, characterized in that: one end of the second movable frame (6) is connected with the first movable frame (4) in cooperation with the fixing member (8) , and the fixing member (8) is in the form of a screw, and the connection between the fixing member (8) and the second movable frame (6) and the first movable frame (4) are all screw connections; the storage roller (19) The two ends of the frame are respectively set between the two second movable frames (6) and the two first movable frames (4), and the second movable frame (6) and the first movable frame (4) are close to the storage roller (19). ) on one side of the outer wall are installed with three sliding rollers (7) at equal intervals, and at the same time the sliding connection between the sliding rollers (7) and the storage roller (19) is a sliding connection. 4. A feeding mechanism for flexographic printing according to claim 1, characterized in that: the connection between the drive roller (11) and the guide groove (12) is a sliding connection, and each drive roller (11) The two ends of the ) penetrate through an end shell (13) respectively and are connected with a meshing wheel (14), and at the same time, the connection between the transmission roller (11) and the end shell (13) is rotational connection. 5. A feeding mechanism for flexographic printing according to claim 1, characterized in that: the top ends of the top plate (15) are respectively installed with one of the cylinders (16), and each cylinder ( 16) The top plate (15) is respectively connected to one end shell (13), and the cylinder (16) cooperates with the end shell (13) and the transmission roller (11) to form a lifting structure. 6. A feeding mechanism for flexographic printing according to claim 4, characterized in that: a synchronous motor (17) is installed on the outer wall of each of the end shells (13), and each synchronous motor (17) Both are rotatably connected with a transmission wheel (18), and at the same time, the transmission wheels (18) are respectively meshed and connected with the two meshing wheels (14) on the same side.

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