CN211003715U

CN211003715U - Printing machine paper transfer mechanism of adjustable paper specification

Info

Publication number: CN211003715U
Application number: CN201921708627.7U
Authority: CN
Inventors: 吴炯愉
Original assignee: Wenzhou Ming Xu Machinery Technology Co ltd
Current assignee: Wenzhou Ming Xu Machinery Technology Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-07-14
Anticipated expiration: 2029-10-14

Abstract

The utility model belongs to the technical field of the mechanical skill and specifically relates to a printing machine paper transfer mechanism of adjustable paper specification, including the fixed bolster of two mutual symmetries, all set up the U-shaped groove that is linked together with the external world on two adjacent sides of fixed bolster, be equipped with the reel between two fixed bolster, be equipped with the pivot on the reel, two ends of pivot are located two U-shaped inslots respectively, are equipped with the fixed disk of two mutual symmetries on the reel, still are equipped with the connecting rod on the fixed bolster, and the terminal zonulae occludens of two connecting rods has the clamp plate, has seted up the rectangular channel that is linked together with. The utility model is simple in operation, convenient to use can adjust the specification of the paper that the paper feed mechanism carried, convenient to popularize and use.

Description

Printing machine paper transfer mechanism of adjustable paper specification

Technical Field

The utility model relates to the technical field of machinery, specifically be a printing machine paper feed mechanism of adjustable paper specification.

Background

The printing machine is a machine for printing characters and images, and a paper transfer mechanism is generally installed in the printing machine, but the paper transfer mechanism on the general printing machine cannot adjust the specification of paper, so that the printing machine can only print the paper with the specified size, which causes inconvenience to a user to a certain extent. In view of this, we propose a paper feeding mechanism of a printing press capable of adjusting the paper specification.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printing machine paper transfer mechanism of adjustable paper specification to the paper transfer mechanism on the general printing machine who provides in solving above-mentioned background art can not adjust the specification problem of paper.

In order to achieve the above object, the utility model provides a following technical scheme:

a paper feeding mechanism of a printer capable of adjusting paper specifications comprises two symmetrical fixed support frames, a U-shaped groove communicated with the outside is formed in one side surface adjacent to the two fixed support frames, a winding drum is arranged between the two fixed support frames, the winding drum is provided with a rotating shaft, the two tail ends of the rotating shaft are respectively positioned in the two U-shaped grooves, the winding drum is rotationally connected with the two U-shaped grooves through the rotating shaft, two mutually symmetrical fixed discs are arranged on the winding drum, a through hole communicated with the outside is arranged in the fixed disc, the winding drum passes through the through hole, a screw rod is tightly welded on the winding drum, a sliding plate is tightly welded on the screw rod, a fixing plate is connected to the screw rod in a threaded manner, a fastening nut is arranged on the upper surface of the fixing plate, and the fastening nut is connected with the screw rod in a threaded manner;

the fixed support frame is further provided with connecting rods, the tail ends of the two connecting rods are tightly welded with pressing plates, rectangular grooves communicated with the outside are formed in the pressing plates, the screw rod penetrates through the rectangular grooves, sliding grooves are formed in the groove walls of the rectangular grooves, and the sliding plates are located in the sliding grooves and are in sliding connection with the sliding grooves.

Preferably, the size of the through hole is matched with the size of the winding drum.

Preferably, the length of the pressure plate is greater than the length of the winding drum.

Preferably, the fixing plate is located above the pressing plate.

Preferably, the length of the screw is greater than the height of the rectangular groove.

Preferably, two mutually symmetrical fixing columns are further arranged between the two fixing support frames and located on the same vertical plane, two mutually symmetrical limiting plates are welded on the fixing columns closely, sleeves are further arranged on the fixing columns and sleeved on the fixing columns, and the sleeves are located between the two limiting plates.

Preferably, two thickening cotton layer all is equipped with on the adjacent side of fixed disk.

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

1. the utility model discloses a two fixed disks that set up, when adjusting the distance between two fixed disks, just realize fixing the paper of placing the different specifications on the reel to make the printing machine have the function of adjustable paper specification, solved its specification that can not adjust the paper of the paper transfer mechanism on the general printing machine, just cause the printing machine can only print the paper of regulation size, this causes a great deal of inconvenient problem for the user to a certain extent.

2. The utility model discloses a thickening cotton layer that sets up when fixing the paper of placing on the reel, still realizes protecting the paper, avoids the fixed disk to give the damage with the edge of paper, has solved the problem of damage with the edge of paper easily for the paper transfer mechanism on general printing machine.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is an exploded view of embodiment 1 of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the present invention at B in FIG. 2;

fig. 5 is a schematic structural view of the fixing column and the limiting plate of the present invention;

fig. 6 is a cross-sectional view of the pressing plate of the present invention;

FIG. 7 is a schematic structural view of the winding drum and the rotating shaft of the present invention;

fig. 8 is a schematic structural view of embodiment 2 of the present invention.

In the figure: 1. fixing a support frame; 10. a U-shaped groove; 11. a reel; 111. a rotating shaft; 12. fixing the disc; 121. a through hole; 13. a screw; 131. a slide plate; 14. a fixing plate; 141. fastening a nut; 15. a connecting rod; 16. pressing a plate; 161. a rectangular groove; 162. a chute; 17. fixing a column; 171. a limiting disc; 18. a sleeve; 2. the cotton cloth layer is thickened.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

The utility model provides a printing machine paper transfer mechanism of adjustable paper specification, as shown in fig. 1 to 7, including two mutual symmetrical fixed stay frames 1, all set up the U-shaped groove 10 that is linked together with the external world on the adjacent side of two fixed stay frames 1, be equipped with reel 11 between two fixed stay frames 1, be equipped with pivot 111 on the reel 11, two ends of pivot 111 are located two U-shaped inslots 10 respectively, rotate through pivot 111 between reel 11 and two U-shaped grooves 10 and be connected, be equipped with two mutual symmetrical fixed disks 12 on the reel 11, set up the through-hole 121 that is linked together with the external world in the fixed disk 12, reel 11 passes through-hole 121, the close welding has screw rod 13 on the reel 11, close welding has slide 131 on screw rod 13, threaded connection has fixed plate 14 on screw rod 13, the upper surface of fixed plate 14 is equipped with fastening nut 141, threaded connection between.

In this embodiment, two fixed bolster 1 pass through fastening bolt fixed mounting subaerial, are equipped with the screw hole on fixed bolster 1 promptly, use the electric drill to drill out the screw hole subaerial relevant position, reuse external bolt with fixed bolster 1 fixed subaerial can.

Specifically, the size of the through hole 121 is matched with the size of the winding drum 11, so that the winding drum 11 is tightly attached to the hole wall of the through hole 121, and the fixed disc 12 is more firmly fixed to the rolled paper.

Furthermore, a threaded hole communicated with the outside is formed in the position, opposite to the threaded hole in the fastening nut 141, in the fixing plate 14, and the threaded hole in the fixing plate 14 is in threaded connection with the screw 13.

Still be equipped with connecting rod 15 on the fixed bolster 1, the terminal inseparable welding of two connecting rods 15 has clamp plate 16, set up the rectangular channel 161 that is linked together with the external world in the clamp plate 16, screw rod 13 passes rectangular channel 161, seted up spout 162 on the cell wall of rectangular channel 161, slide 131 be located spout 162 and with sliding connection between the spout 162, still be equipped with two fixed columns 17 of mutual symmetry between two fixed bolsters 1, two fixed columns 17 are located same vertical plane, the close welding has two spacing dishes 171 of mutual symmetry on the fixed column 17, still be equipped with sleeve 18 on the fixed column 17, sleeve 18 overlaps on the fixed column 17, sleeve 18 is located between two spacing dishes 171.

In addition, the length of the pressing plate 16 is greater than that of the winding drum 11, so that the fixed tray 12 can slide on the winding drum 11 to the maximum extent, namely, paper sheets which can meet various sizes can be placed on the winding drum 11.

In this embodiment, the length of the rectangular groove 161 is equal to the length of the sliding groove 162, and the length of the rectangular groove 161 is greater than the length of the winding drum 11, so that it is ensured that the fixed tray 12 can slide to the end of the sliding groove 162 and the fixed tray 12 can be taken down from the winding drum 11 when needed, and it is convenient to replace paper sheets of other sizes.

It should be noted that the fixing plate 14 is located above the pressing plate 16, after the position of the fixing plate 12 is adjusted to a proper position, the fastening nut 141 is screwed, the fixing plate 14 is driven to rotate when the fastening nut 141 rotates, and when the fixing plate 14 rotates, the fixing plate 14 moves downward due to the threaded connection between the fixing plate and the screw 13, and the fixing plate 14 is pressed on the pressing plate 16, so as to prevent the screw 13 from shaking.

It should be noted that the length of the screw 13 is greater than the height of the rectangular slot 161, so as to ensure that the fastening nut 141 and the fixing plate 14 can be screwed with the screw 13 more firmly.

In this embodiment, when the specification of the paper needs to be adjusted, the winding drum 11 is slightly lifted up until the rotating shaft 111 is not in the U-shaped groove 10 by the fixed tray 12, at this time, the sliding plate 131 just contacts with the top wall of the sliding groove 162, then the fastening nut 141 is unscrewed, the screw 13 can slide along the sliding groove 162, one of the fixed trays 12 is taken down from the winding drum 11, the paper in a roll shape to be used is sleeved on the winding drum 11, thereby the paper with different sizes can be replaced, after the replacement is finished, the fixed tray 12 is continuously sleeved on the winding drum 11, the rotating shaft 111 is placed in the U-shaped groove 10, at this time, the sliding plate 131 just contacts with the bottom wall of the sliding groove 162, then the screw 13 is adjusted to a proper position, namely, after the fixed tray 12 is adjusted to a proper position, the replaced paper is fixed, then the fastening nut 141 is screwed into the screw 13, and the fastening nut 141 is screwed, the fixing plate 14 is pressed on the pressing plate 16, so that the screw 13 is prevented from shaking, the size of the paper specification required to be fixed can be adjusted, and the problem that the printer can only print paper with a specified size due to the fact that the paper specification of a paper delivery mechanism on a general printer cannot be adjusted is solved, and inconvenience is brought to a user to a certain extent.

Example 2

In a specific operation, in order to avoid crushing the edges of the paper when the fixed tray 12 is used for limiting, therefore, the fixed tray 12 is modified based on embodiment 1, and as a preferred embodiment, as shown in fig. 8, a thickened cotton layer 2 is arranged on one side surface adjacent to two fixed trays 12.

In this embodiment, the thickened cotton cloth layer 2 is tightly bonded to the fixed disk 12, so as to ensure structural firmness and prevent the thickened cotton cloth layer 2 from falling off.

In this embodiment, through thickening cotton layer 2 that sets up, because its texture is softer, when fixed disk 12 plays spacingly to the paper of reel form, thickening cotton layer 2 just in time contacts with the edge of paper to the realization is protected the paper, avoids because the hardness of fixed disk 12 is great, causes the edge of paper to be crushed, has solved the problem that the edge of paper is given to the damage easily to the mechanism of delivering paper on general printing machine.

When the paper-feeding mechanism of the printer with adjustable paper specification of the utility model is used, the winding drum 11 is lifted up slightly until one of the fixed disks 12 can be taken down from the winding drum 11, paper with proper size and drum shape is selected to be sleeved on the winding drum 11 as required, thereby realizing the replacement of paper with different sizes, after the replacement is finished, the fixed disks 12 are continuously sleeved on the winding drum 11, the damage of the fixed disks 12 to the paper is avoided through the arranged thickening cotton cloth layer 2, then the rotating shaft 111 is placed in the U-shaped groove 10, the screw 13 is moved to a proper position, namely, after the fixed disks 12 are adjusted to a proper position, the replaced paper is fixed, finally the fastening nuts 141 are screwed on the screw 13, the fastening nuts 141 are screwed, the fixed plates 14 are tightly pressed on the pressing plate 16, the shaking of the screw 13 is avoided, at this moment, the size of the paper specification needing to be fixed is adjusted, the problem of it can not adjust the specification of paper to transfer mechanism on the general printing machine, just cause the printing machine to print the paper of regulation size only, this causes inconvenience to the user to a certain extent is solved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a printing machine paper feed mechanism of adjustable paper specification, includes two mutual symmetrical fixed stay frames (1), its characterized in that: u-shaped grooves (10) communicated with the outside are formed in one side face, adjacent to the two fixing support frames (1), a winding drum (11) is arranged between the two fixing support frames (1), a rotating shaft (111) is arranged on the winding drum (11), two ends of the rotating shaft (111) are respectively located in the two U-shaped grooves (10), the winding drum (11) is rotatably connected with the two U-shaped grooves (10) through the rotating shaft (111), two fixing discs (12) which are symmetrical to each other are arranged on the winding drum (11), through holes (121) communicated with the outside are formed in the fixing discs (12), the winding drum (11) penetrates through the through holes (121), screw rods (13) are welded on the winding drum (11) closely, sliding plates (131) are welded on the screw rods (13) closely, and fixing plates (14) are connected on the screw rods (13) in a threaded manner, a fastening nut (141) is arranged on the upper surface of the fixing plate (14), and the fastening nut (141) is in threaded connection with the screw (13);

still be equipped with connecting rod (15) on fixed bolster (1), two the terminal close welding of connecting rod (15) has clamp plate (16), open rectangular channel (161) that are linked together with the external world in clamp plate (16), screw rod (13) pass rectangular channel (161), spout (162) have been seted up on the cell wall of rectangular channel (161), slide (131) are located in spout (162) and with sliding connection between spout (162).

2. The adjustable sheet size printer feed mechanism of claim 1, wherein: the size of the through hole (121) is matched with that of the winding drum (11).

3. The adjustable sheet size printer feed mechanism of claim 1, wherein: the length of the pressure plate (16) is greater than the length of the winding drum (11).

4. The adjustable sheet size printer feed mechanism of claim 1, wherein: the fixing plate (14) is positioned above the pressure plate (16).

5. The adjustable sheet size printer feed mechanism of claim 1, wherein: the length of the screw (13) is greater than the height of the rectangular groove (161).

6. The adjustable sheet size printer feed mechanism of claim 1, wherein: two still be equipped with two fixed columns (17) of mutual symmetry between fixed bolster (1), two fixed column (17) are located same vertical plane, the tight welding has two spacing dishes (171) of mutual symmetry on fixed column (17), still be equipped with sleeve (18) on fixed column (17), sleeve (18) cover is established on fixed column (17), sleeve (18) are located two between spacing dish (171).

7. The adjustable sheet size printer feed mechanism of claim 1, wherein: two thickening cotton layer (2) all are equipped with on the adjacent side of fixed disk (12).