CN212503248U

CN212503248U - Newspaper printing machine with tensioning function

Info

Publication number: CN212503248U
Application number: CN202020988917.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xinhua News Agency Printing Co ltd
Current assignee: Xinhua News Agency Printing Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-02-09
Anticipated expiration: 2030-06-02

Abstract

The utility model relates to a newspaper printing machine with tensioning function, it includes two parallels and stands in the backup pad on ground, is provided with paper feed mechanism between two backup pads and sets up in the printing mechanism of paper feed mechanism below, has set gradually straining device and cutting mechanism along original paper direction of delivery between two backup pads, is provided with between paper feed mechanism and the straining device to be used for original paper to guide to horizontally guide roller. The utility model has the advantages that straining device enables the original paper of joint-cutting department and keeps effectual tension, and then makes the newspaper border of surely cutting neat.

Description

Newspaper printing machine with tensioning function

Technical Field

The utility model relates to a printing machine equipment especially relates to a newspaper printing machine with tensioning function.

Background

Newspaper printing presses are, as their name implies, machines for printing newspapers. The newspaper printing machine comprises a paper placing device, a printing device, a cutting device and a splitting device. Newspaper newsprint (paper which is not divided into newspapers) is in a roll shape, when the newspapers are processed, original paper is continuously unfolded and is conveyed into a printing device for printing, after printing is finished, the original paper is conveyed into a cutting device, the printed original paper is separated into two parts in the length direction by the cutting device, finally the original paper can be continuously conveyed, and when the original paper reaches the cutting device, the cutting device cuts the original paper into one piece of newspapers.

The cutting device mainly comprises a cutter and a bearing table, and the original paper has higher toughness than the film, so that when the cutter cuts downwards, the original paper can deform downwards and cannot be cut off, and the cutter presses the original paper on the bearing table for cutting. Meanwhile, the cutter is directly contacted with the bearing table to easily cause the damage of the cutter, so that a cutting seam is formed on the bearing table, the cutting edge of the cutter extends into the cutting seam, and the original paper can be cut when passing through.

The above prior art solutions have the following drawbacks: when the cutter cuts the original paper, the cutter has a force of pressing the original paper into the cutting slits, and the original paper slightly sinks into the cutting slits due to the toughness. When the tension of the original paper is insufficient, the original paper on the left side and the right side of the cutter is uneven when the original paper is conveyed in by taking the cutter as a reference, the original paper on the left side and the right side of the cutter is different in the amount of the original paper falling into the cutting seam, and finally the edge of the cut newspaper is not neat enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a newspaper printing machine with tensioning function, its advantage is that straining device enables the original paper of joint-cutting department and keeps effectual tension, and then makes the newspaper border of surely going out neat.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a newspaper printing machine with a tensioning function comprises two support plates which are parallel to each other and stand on the ground, a paper conveying mechanism and a printing mechanism arranged below the paper conveying mechanism are arranged between the two support plates, the tensioning mechanism and a cutting mechanism are sequentially arranged between the two support plates along the original paper conveying direction, and a guide roller for guiding original paper to be horizontal is arranged between the conveying mechanism and the tensioning mechanism;

cutting mechanism includes the subassembly of cutting and accepts the axle, accept to offer on the global of axle and cut subassembly complex annular joint-cutting, straining device is including setting up the connecting rod between two backup pads, the rigid coupling has two vertical mounting panels of arranging on the connecting rod, equal perpendicular rigid coupling has driving motor on every mounting panel, the rigid coupling has the gyro wheel on driving motor's the output shaft, the axis of gyro wheel is on a parallel with the backup pad, the both sides of joint-cutting are arranged in to two gyro wheels branch, the rigid coupling has the soft brush hair that a plurality of distributes around self axis circumference on the global of gyro wheel, the below of mounting panel is provided with fixes and accepts the board in two backup.

By adopting the technical scheme, when newspaper is produced, a paper roll of original paper (paper which is not cut into newspapers) of the newspaper is installed on a paper conveying mechanism, the paper conveying mechanism inputs the original paper into a printing mechanism for printing, after the original paper is printed, two rows of newspapers with a plurality of lines are formed on the original paper, the original paper is in a horizontal state after being wound on a guide roller and is continuously conveyed forwards, when the original paper reaches a tensioning mechanism, the tensioning mechanism tensions the original paper, the original paper is conveyed to a cutting mechanism for cutting after being tensioned, the cutting mechanism cuts the middle parts of the two rows of newspapers printed on the original paper to change the original paper of the newspaper into two parts, when the original paper passes through between an installation plate and a bearing plate, bristles are elastically deformed and abut against the original surface, the output shafts of two driving motors are in opposite rotation directions, and when the two driving motors drive the two rollers to respectively drive the two rollers to rotate, the original paper between the two rollers is combed flat by the bristles on the two rollers, so that the cutting position of the original paper is tensioned and kept flat, and the edge of the newspaper can be tidier when the original paper enters the cutting mechanism.

The utility model discloses can further configure into: the equal rigid coupling in both ends of connecting rod has the slider, has seted up the bar hole along vertical direction on backup pad and the slider corresponds the position, and the slider slides along vertical direction and connects in the bar is downthehole, and the last side of every slider all rotates and is connected with the vertical lead screw of arranging, and the bar hole is worn out and with backup pad threaded connection to the upper end of lead screw.

Through adopting above-mentioned technical scheme, the staff can drive the lead screw on two sliders simultaneously and rotate to make two sliders at the downthehole synchronous movement of bar, adjust and accept the distance between board and the gyro wheel, change the deformation degree when the brush hair supports and leans on original paper, thereby adjust the extrusion force of brush hair to original paper, and then the staff of being convenient for adjusts the tensioning force of straining device to original paper.

The utility model discloses can further configure into: the slide has all been seted up along vertical direction to the left and right sides face of slider, and the lateral wall inserts in the slide about the bar hole.

Through adopting above-mentioned technical scheme, realized that the slider slides steadily and connects in the bar is downthehole.

The utility model discloses can further configure into: a plurality of balls are embedded in two opposite inner walls in the slide way, and the balls protrude out of the inner walls of the slide way and abut against the supporting plates.

Through adopting above-mentioned technical scheme, the sphere of ball and backup pad contact are more smooth to reduce the frictional resistance that the slider removed the in-process and received.

The utility model discloses can further configure into: and a hand wheel is coaxially and fixedly connected to the upper end of the screw rod.

Through adopting above-mentioned technical scheme, provide the effort for the staff, make things convenient for the staff to rotate the lead screw.

The utility model discloses can further configure into: the slitting component comprises a rotating shaft which is rotatably connected between two supporting plates, a circular cutter head is fixedly connected to the rotating shaft, and a motor which drives the rotating shaft to rotate is fixedly connected to one of the supporting plates.

By adopting the technical scheme, when the original paper starts to approach the cutting slits, the original paper is guided by the cutting edges of the cutter head to sink into the cutting slits, and the original paper is difficult to maintain integrity due to insufficient toughness as the original paper reaches the lowest end of the cutting edges of the cutter head, and at the moment, the original paper is separated from the cutting edges of the cutter head.

The utility model discloses can further configure into: two the rigid coupling has the protective housing that is used for sheltering from the blade disc between the backup pad.

Through adopting above-mentioned technical scheme, when reducing the blade and using excessively, easily collapse and split the staff.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the connecting rod, the mounting plate, the driving motors, the rollers, the bristles and the bearing plate, when original paper passes through the space between the mounting plate and the bearing plate, the bristles are elastically deformed and abut against the original surface, the output shafts of the two driving motors are opposite in rotation direction, when the two driving motors drive the two rollers to rotate respectively, the bristles on the two rollers comb and flatten the original paper positioned between the two rollers, so that the cutting position of the original paper is tensioned and kept flat, and therefore when the original paper enters the cutting mechanism, the edge of the newspaper can be tidy;

2. through bar-shaped hole, slider, lead screw to the distance of regulating roller and accepting the board changes the degree of deformation when the brush hair supports and leans on original paper, thereby adjusts the extrusion force of brush hair to original paper, and then the staff of being convenient for adjusts the tensioning force of straining device to original paper.

Drawings

Fig. 1 is a schematic view of the overall structure of the printing press.

Fig. 2 is a schematic view of the printer with a part of the frame omitted.

Fig. 3 is a schematic structural view of the cutting mechanism.

Fig. 4 is a schematic view of the printer with the cutting mechanism omitted.

Fig. 5 is a schematic structural view of a portion a in fig. 4.

Fig. 6 is a schematic structural view of a portion B in fig. 4.

Fig. 7 is a schematic view of the structure of the slider.

In the figure, 1, a support plate; 11. a strip-shaped hole; 2. a paper feed mechanism; 3. a printing mechanism; 4. a tensioning mechanism; 41. a connecting rod; 42. mounting a plate; 43. a drive motor; 44. a roller; 45. brushing; 46. a bearing plate; 47. a slider; 471. a slideway; 472. a ball bearing; 48. a screw rod; 49. a hand wheel; 5. a cutting mechanism; 51. a slitting assembly; 511. a rotating shaft; 512. a cutter head; 513. a motor; 514. a protective shell; 515. fixing the rod; 52. a bearing shaft; 521. cutting a seam; 6. and a guide roller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a newspaper printing machine with tensioning function, including two parallel and two backup pads 1 that stand on ground, be provided with paper feed mechanism 2 between two backup pads 1, paper feed mechanism 2 below is provided with printing mechanism 3, do not do the design to paper feed mechanism 2 and printing mechanism 3 here, can directly adopt paper feed mechanism 2 and printing mechanism 3 among the prior art, tensioning mechanism 4 and cutting mechanism 5 have been arranged in proper order along the direction that original paper was carried between two backup pads 1, be provided with between paper feed mechanism 2 and the tensioning mechanism 4 and be used for leading original paper to the guide roller 6 of horizontality.

When newspaper is produced, a paper roll of original paper (paper which is not cut into newspaper) of the newspaper is installed on the paper conveying mechanism 2, the paper conveying mechanism 2 inputs the original paper into the printing mechanism 3 for printing, after the original paper is printed, two rows of newspapers in a plurality of lines are formed on the original paper, the original paper is in a horizontal state after being wound on the guide roller 6, the original paper is continuously conveyed forwards, when the original paper reaches the tensioning mechanism 4, the tensioning mechanism 4 tensions the original paper, the original paper is conveyed to the cutting mechanism 5 for cutting after being tensioned, and the cutting mechanism 5 cuts the middle parts of the two rows of newspapers printed on the original paper, so that the original paper of the newspaper is changed into two parts.

Referring to fig. 2 and 3, the cutting mechanism 5 includes a cutting assembly 51 and a receiving shaft 52, the cutting assembly 51 includes a rotating shaft 511 rotatably connected between two supporting plates 1, a circular cutter disc 512 is coaxially and fixedly connected to the rotating shaft 511, a motor 513 (refer to fig. 1) is fixedly connected to one side of one of the supporting plates 1, which is away from the rotating shaft 511, an output shaft of the motor 513 passes through the side wall of the supporting plate 1 and is coaxially and fixedly connected to the rotating shaft 511, a protective casing 514 for shielding the cutter disc 512 is arranged between the two supporting plates 1, fixing rods 515 for mounting the protective casing 514 on the two supporting plates 1 are fixedly connected to two side surfaces of the protective casing 514, the receiving shaft 52 is located below the rotating shaft 511, two ends of the receiving shaft 52 are respectively rotatably connected to the two supporting plates 1, an annular cutting slit 521 is formed on a circumferential surface.

As the original paper begins to approach the slit 521, it is trapped inside the slit 521 under the guidance of the cutting edge of the cutter head 512, and as it reaches the lowest end of the cutting edge of the cutter head 512, where the original paper is not flexible enough to maintain its integrity, it separates from the cutting edge of the cutter head 512.

Referring to fig. 4 and 5, the tensioning mechanism 4 includes a connecting rod 41 disposed between two supporting plates 1, two vertically disposed mounting plates 42 are fixedly connected to the connecting rod 41, a driving motor 43 is fixedly connected to each mounting plate 42, an output shaft of the driving motor 43 is perpendicular to the mounting plates 42 and coaxially and fixedly connected to a roller 44, an axis of the roller 44 is disposed parallel to the supporting plates 1, the two rollers 44 are disposed at two sides of a cutting slit 521, a plurality of rows of soft bristles 45 are fixedly connected to a circumferential surface of the roller 44, the soft bristles 45 are uniformly distributed around the axis, the soft bristles 45 are arranged at equal intervals, the soft bristles are arranged below the mounting plates 42, the soft bristles 46 are fixedly connected to the two supporting plates 1, when the original paper passes between the mounting plates 42 and the soft bristles 46, the bristles 45 are elastically deformed and abut against the original surface, the output shafts of the two driving motors 43 are rotated in opposite directions, when the two driving drives respectively drive the two rollers 44 to rotate, the, thereby tensioning and keeping the cut position of the original paper flat so that the edges of the newspaper are relatively clean when the original paper enters the cutting mechanism 5 (see fig. 1).

Referring to fig. 4 and 6, in order to facilitate the worker to adjust the tension of the original paper by the tensioning mechanism 4, two ends of the connecting rod 41 are fixedly connected with sliding blocks 47, a strip-shaped hole 11 is formed in the corresponding position of the supporting plate 1 and the sliding blocks 47 along the vertical direction, the sliding blocks 47 are connected in the strip-shaped hole 11 in a sliding manner along the vertical direction, the upper side surface of each sliding block 47 is rotatably connected with a vertically arranged lead screw 48, and the upper end of the lead screw 48 penetrates through the strip-shaped hole 11 and is in threaded connection with the supporting plate 1; therefore, the worker can drive the screw rods 48 on the two sliding blocks 47 to rotate simultaneously, so that the two sliding blocks 47 move synchronously in the strip-shaped holes 11, the distance between the bearing plate 46 and the roller 44 is adjusted, the deformation degree of the bristles 45 when the bristles abut against the original paper is changed, and the extrusion force of the bristles 45 to the original paper is adjusted.

Referring to fig. 6 and 7, in order to realize that the slider 47 slides stably and is connected on the strip-shaped hole 11, the slide 471 is respectively formed in the left side surface and the right side surface of the slider 47 along the vertical direction, the slide 471 extends to the upper side surface and the lower side surface of the slider 47, and the left side wall and the right side wall of the strip-shaped hole 11 are inserted into the slide 471.

Referring to fig. 7, a plurality of balls 472 are embedded in two opposite inner walls of the sliding channel 471 in the vertical direction, and the balls 472 protrude from the inner walls of the sliding channel 471 and abut against the supporting plate 1, so that the friction resistance applied to the sliding block 47 in the moving process is reduced.

Referring to fig. 4, in order to facilitate the worker to rotate the lead screw 48, a hand wheel 49 is coaxially and fixedly connected to the upper end of the lead screw 48 to provide force for the worker, so that the worker can rotate the lead screw 48 conveniently.

The implementation principle of the embodiment is as follows: when the original paper passes between the mounting plate 42 and the bearing plate 46, the bristles 45 are elastically deformed and abut against the original surface, the output shafts of the two driving motors 43 are reversely rotated, when the two driving motors respectively drive the two rollers 44 to rotate, the bristles 45 on the two rollers 44 comb the original paper positioned between the two rollers 44 flat, so that the cutting position of the original paper is tensioned and kept flat, then the original paper is sunk into the inner part 521 of the cutting slit under the guidance of the cutting edge of the cutter disc 512 when the original paper starts to approach the cutting slit 521, and the original paper is separated from the cutting edge of the cutter disc 512 as the original paper reaches the lowest end of the cutting edge of the cutter disc 512, so that the edge of the cut newspaper is relatively neat.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a newspaper printing machine with tensioning function, includes two parallels and stands in backup pad (1) on ground, is provided with paper feed mechanism (2) between two backup pad (1) and sets up in printing mechanism (3) of paper feed mechanism (2) below, its characterized in that: a tensioning mechanism (4) and a cutting mechanism (5) are sequentially arranged between the two supporting plates (1) along the original paper conveying direction, and a guide roller (6) for guiding the original paper to the horizontal position is arranged between the paper conveying mechanism (2) and the tensioning mechanism (4);

cutting mechanism (5) are including cutting subassembly (51) and accept axle (52), accept and seted up on the global of axle (52) and cut subassembly (51) complex annular joint-cutting (521), straining device (4) are including setting up connecting rod (41) between two backup pads (1), the rigid coupling has two vertical mounting panel (42) of arranging on connecting rod (41), equal perpendicular rigid coupling has driving motor (43) on every mounting panel (42), the rigid coupling has gyro wheel (44) on the output shaft of driving motor (43), the axis of gyro wheel (44) is on a parallel with backup pad (1), the both sides of joint-cutting (521) are arranged respectively in to two gyro wheels (44), the rigid coupling has soft brush hair (45) that a plurality of distributes around self axis circumference on the global of gyro wheel (44), the below of mounting panel (42) is provided with and fixes accepting board (46) on two backup pads (1).

2. A newspaper printing press having a tensioning function as recited in claim 1 wherein: the equal rigid coupling in both ends of connecting rod (41) has slider (47), has seted up bar hole (11) along vertical direction on backup pad (1) and slider (47) correspond the position, and slider (47) slide along vertical direction and connect in bar hole (11), and the side all rotates the lead screw (48) that are connected with vertical arrangement on every slider (47), and bar hole (11) and with backup pad (1) threaded connection are worn out to the upper end of lead screw (48).

3. A newspaper printing press having a tensioning function as recited in claim 2 wherein: slide (471) have all been seted up along vertical direction to the left and right sides face of slider (47), and the lateral wall inserts in slide (471) about bar hole (11).

4. A newspaper printing press having a tensioning function as recited in claim 3 wherein: a plurality of balls (472) are embedded in two opposite inner walls in the slideway (471), and the balls (472) protrude out of the inner walls of the slideway (471) and abut against the supporting plate (1).

5. The newspaper printing press as recited in claim 4 wherein: and a hand wheel (49) is coaxially and fixedly connected to the upper end of the screw rod (48).

6. A newspaper printing press having a tensioning function as recited in claim 1 wherein: the slitting component (51) comprises a rotating shaft (511) which is rotatably connected between two supporting plates (1), a circular cutter disc (512) is fixedly connected to the rotating shaft (511), and a motor (513) which drives the rotating shaft (511) to rotate is fixedly connected to one of the supporting plates (1).

7. The newspaper printing press as recited in claim 6 wherein: two the rigid coupling has protective housing (514) that is used for sheltering from blade disc (512) between backup pad (1).