CN221049252U - Printing positioning device of printing machine - Google Patents

Abstract

The utility model belongs to the technical field of printing machine equipment, in particular to a printing positioning device of a printing machine, which comprises a workbench; the two sides of the workbench are fixedly connected with L-shaped plates, screw holes are formed in the two L-shaped plates, threaded rods are inserted into the two screw holes, one ends of the two threaded rods are fixedly connected with rotary caps, the other ends of the two rotary caps are matched and rotated through bearing seats, mounting frames are arranged in the two mounting frames in a matched and rotated mode through pin shafts, a plurality of limit rollers are arranged in the two mounting frames in a matched and rotated mode, locking caps are sleeved on the two threaded rods, grooves are formed in the workbench, movable plates are matched and rotated on the inner walls of the two sides of the grooves, and two first springs are fixedly connected between the movable plates and the inner walls of the grooves; when the device is used for printing the paperboard, the paperboard can be precisely rolled and printed, and meanwhile, the printing position can be matched with the height of the paperboard to be printed, so that the generation of printing waste is reduced, and the device can be used for better cut-in printing.

Description

Printing positioning device of printing machine

Technical Field

The utility model relates to the technical field of printer equipment, in particular to a printing positioning device of a printer.

Background

The printer is a machine for printing characters and images, and the printer needs to use a positioning device to position the paper board in the process of printing the paper board, so that the problem of printing quality caused by deviation of the paper board position can be prevented.

One Chinese patent with the bulletin number of CN215204010U discloses a printer positioning device, which comprises a workbench, wherein a plurality of driving rollers are uniformly arranged on the workbench, a processing table is arranged between the driving rollers, a limiting device is arranged between the driving rollers on the left side of the processing table, a mounting frame is arranged above the processing table, a pressing device is arranged on the left side of the mounting frame, a lifting motor is arranged on the right side of the mounting frame, and a mounting plate is arranged at the bottom end of a lifting rod of the lifting motor; according to the utility model, the limit device and the pressing device are arranged, so that the paperboard is effectively prevented from shifting in the conveying process, the printing precision and quality are ensured, and the paperboard is effectively fixed during printing by matching with the pressing devices arranged on two sides of the printing equipment, so that the printing quality is ensured.

The positioning device of the printing machine has some problems when in use, because the printing roller is required to correspond to the printing starting point of the paperboard during printing, the existing equipment cannot accurately roll-print the paperboard, and the printing position cannot be matched with the height of the paperboard to be printed, so that the generation of printing waste is increased; therefore, a printing positioning device of a printing machine is provided for solving the problems.

Disclosure of utility model

In order to overcome the defects in the prior art and solve the problems set forth in the background art, the utility model provides a printing positioning device of a printing machine.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a printing positioning device of a printing machine, which comprises a workbench; four support columns are fixedly connected to the bottom of the workbench, L-shaped plates are fixedly connected to the two sides of the workbench, screw holes are formed in the two L-shaped plates, threaded rods are inserted in the two screw holes, rotary caps are fixedly connected to one ends of the two threaded rods, mounting frames are installed at the other ends of the two rotary caps in a matched rotation mode through bearing seats, a plurality of limit rollers are installed in the two mounting frames in a matched rotation mode through pin shafts, locking caps are sleeved on the two threaded rods, the locking caps are arranged between the L-shaped plates and the rotary caps, grooves are formed in the workbench, movable plates are installed on the inner walls of the two sides of the grooves in a matched rotation mode, two first springs are fixedly connected between the movable plates and the inner walls of the grooves, first electrode plates are installed on the inner walls of the bottoms of the grooves, the first electrode plates are arranged between the two first springs, second electrode plates are installed on the movable plates, the workbench is provided with a supporting frame, the top of the supporting frame is provided with a pneumatic cylinder, the pneumatic cylinder, a first electrode plate and a second electrode plate are electrically connected, the acting end of the pneumatic cylinder is provided with a pneumatic rod, the bottom end of the pneumatic rod is fixedly connected with a fixed plate, the fixed plate is fixedly connected with a fixed seat, a printing roller is arranged in the fixed seat in a matched rotation way through a rotating shaft, one side of the fixed seat is provided with a first motor, the output end of the first motor is connected with one end of the rotating shaft, when the paper board is printed, the position of the paper board can be prevented from shifting in the conveying process by arranging a limiting mechanism, when the paper board is conveyed to pass through the movable plate, the weight of the paper board can press the movable plate to move downwards, the first spring is stressed to compress, the first electrode plate also moves along with the first spring, when the first electrode plate moves to be in contact with the second electrode plate, the pneumatic cylinder is electrified to start operation, the pneumatic rod drives the fixed plate to drive the printing roller to vertically move downwards, so that the paperboard can be precisely rolled and printed, and meanwhile, the printing position is matched with the height of the paperboard to be printed, so that the generation of printing waste is reduced, and the device can be used for better cut-in printing.

Preferably, two short plates are fixedly connected to two sides of the fixing plate, rod holes are formed in the two short plates, movable rods are inserted in the two rod holes, limiting caps are fixedly connected to the tops of the two movable rods, arc-shaped pressing plates are fixedly connected to the bottoms of the two movable rods, second springs are fixedly connected between the two short plates and the corresponding arc-shaped pressing plates, the second springs are sleeved on the movable rods, and when the paper board is printed, the two sides of the printing position of the paper board can be pressed and fixed through the arc-shaped pressing plates, so that the position of the paper board in the printing process is effectively guaranteed not to deviate, the paper board can be printed more accurately, and the printing effect is improved.

Preferably, install the ink box on the fixed plate, the port both sides of ink box all fixedly connected with fixed block, two fixed blocks cooperation rotation are installed the ink roller, just the circumference top of ink roller sets up in the port of ink box, when using the device, through setting up the ink roller, can be continuous provide printing ink for the printing roller, guaranteed the sufficiency of printing roller printing ink to can make the continuous going on of printing operation, thereby improved the efficiency of printing.

Preferably, the through groove is formed in the workbench, a plurality of conveying rollers are installed in the through groove in a matched mode through rotating shafts, two second motors are installed on one side of the workbench, output ends of the two second motors are respectively connected with end portions of the rotating shafts located at the starting end and the tail end, and when the paper board is conveyed, the second motors are started to enable the conveying rollers to rotate, so that the paper board can be conveyed.

Preferably, the same charging hole is formed in the ink box and the fixing plate, a charging pipe is fixedly connected in the charging hole, and when the device is used, ink is conveniently added into the ink box by arranging the charging pipe.

The utility model has the advantages that:

1. When the paper board is printed, the position of the paper board can be prevented from shifting in the conveying process by arranging the limiting mechanism, when the paper board is conveyed to pass through the movable plate, the weight of the paper board can press the movable plate to move downwards, the first spring is stressed and compressed, the first electrode plate can move along with the movable plate, when the first electrode plate moves to be contacted with the second electrode plate, the pneumatic cylinder is electrified to start operation, the pneumatic rod drives the fixed plate to drive the printing roller to move vertically downwards, so that the paper board can be accurately rolled and printed, and meanwhile, the printing position can be matched with the height of the paper board to be printed, so that the generation of printing waste is reduced, and the device can better cut into printing;

2. When the paperboard is printed, the arc-shaped pressing plates are arranged to press and fix the two sides of the paperboard printing position, so that the position of the paperboard in the printing process can be effectively ensured not to deviate, the paperboard can be printed more accurately, and the printing effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of a unitary side-view perspective;

FIG. 2 is a partial left-hand perspective schematic view;

FIG. 3 is a schematic perspective view of a printing mechanism;

FIG. 4 is a schematic view of the internal perspective structure of the groove;

FIG. 5 is a schematic side perspective view of a print roller and ink roller assembly;

Fig. 6 is a schematic perspective view of the auxiliary positioning mechanism.

In the figure: 1. a work table; 2. an L-shaped plate; 3. a threaded rod; 4. rotating the cap; 5. a mounting frame; 6. a limit roller; 7. a locking cap; 8. a groove; 9. a movable plate; 10. a first spring; 11. a first electrode plate; 12. a second electrode plate; 13. a support frame; 14. a pneumatic cylinder; 15. a fixing plate; 16. a fixing seat; 17. a printing roller; 18. a first motor; 19. an ink tank; 20. a fixed block; 21. an ink roller; 22. a feeding tube; 23. a short plate; 24. a movable rod; 25. an arc-shaped pressing plate; 26. a second spring; 27. a conveying roller; 28. a second motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a printing positioning device of a printing machine comprises a workbench 1; four support columns are fixedly connected to the bottom of the workbench 1, L-shaped plates 2 are fixedly connected to two sides of the workbench 1, screw holes are formed in the two L-shaped plates 2, threaded rods 3 are inserted in the two screw holes, rotary caps 4 are fixedly connected to one ends of the two threaded rods 3, mounting frames 5 are installed at the other ends of the two rotary caps 4 in a matched rotation mode through bearing seats, a plurality of limit rollers 6 are installed in the two mounting frames 5 in a matched rotation mode through pin shafts, locking caps 7 are sleeved on the two threaded rods 3, the locking caps 7 are arranged between the L-shaped plates 2 and the rotary caps 4, grooves 8 are formed in the workbench 1, movable plates 9 are installed on the inner walls of the two sides of the grooves 8 in a matched rotation mode, two first springs 10 are fixedly connected between the movable plates 9 and the inner walls of the grooves 8, first electrode plates 11 are installed on the inner walls of the bottoms of the grooves 8, the first electrode plate 11 is arranged between the two first springs 10, the second electrode plate 12 is arranged on the movable plate 9, the supporting frame 13 is arranged on the workbench 1, the pneumatic cylinder 14 is arranged at the top of the supporting frame 13, the pneumatic cylinder 14, the first electrode plate 11 and the second electrode plate 12 are electrically connected, the acting end of the pneumatic cylinder 14 is provided with a pneumatic rod, the bottom end of the pneumatic rod is fixedly connected with the fixed plate 15, the fixed plate 15 is fixedly connected with the fixed seat 16, the printing roller 17 is arranged in the fixed seat 16 in a matched rotation way through a rotating shaft, the first motor 18 is arranged on one side of the fixed seat 16, the output end of the first motor 18 is connected with one end of the rotating shaft, the workbench 1 is provided with a through groove, a plurality of conveying rollers 27 are arranged in the through groove in a matched rotation way through the rotating shaft, one side of the workbench 1 is provided with two second motors 28, the output ends of the two second motors 28 are connected to the end portions of the rotating shafts at the start end and the end, respectively; when the paperboard is printed, the paperboard is placed on the conveying roller 27, the rotary cap 4 is rotated and started, the threaded rod 3 drives the two groups of limiting rollers 6 to be close to each other until the two groups of limiting rollers 6 are moved to be in contact with two sides of the paperboard, the locking cap 7 is twisted, the threaded rod 3 is fixed, and accordingly the limiting rollers 6 can be fixed at the current position, the paperboard can be limited, the second motor 28 is started, the rotating shaft drives the conveying roller 27 to rotate, the paperboard can be conveyed stably, when the paperboard is conveyed to pass through the movable plate 9, the weight of the paperboard can press the movable plate 9 to move downwards, the first spring 10 is compressed, the first electrode plate 11 moves along with the movable plate, when the first electrode plate 11 moves to be in contact with the second electrode plate 12, the pneumatic cylinder 14 is electrified to start working, the pneumatic rod drives the fixed plate 15 to move downwards, and the printing roller 17 moves downwards along with the paperboard, so that the paperboard can be printed accurately, and the printing position is matched with the required height of the paperboard can be conveyed, when the paperboard is conveyed to pass through the movable plate 9, the printing device can cut into printing waste better.

Referring to fig. 6, two short plates 23 are fixedly connected to two sides of the fixed plate 15, rod holes are formed in the two short plates 23, movable rods 24 are inserted into the two rod holes, limiting caps are fixedly connected to the top ends of the two movable rods 24, arc-shaped pressing plates 25 are fixedly connected to the bottom ends of the two movable rods 24, second springs 26 are fixedly connected between the two short plates 23 and the corresponding arc-shaped pressing plates 25, and the second springs 26 are sleeved on the movable rods 24; when printing the cardboard, through setting up arc press board 25, can press the both sides of cardboard printing position fixedly to can effectually guarantee that the cardboard does not take place the skew in printing process position, thereby can be more accurate print the cardboard, thereby improved the effect of printing.

Referring to fig. 5, an ink tank 19 is mounted on the fixing plate 15, two sides of a port of the ink tank 19 are fixedly connected with fixing blocks 20, two fixing blocks 20 are rotatably mounted with an ink roller 21 in a matching manner, the top end of the circumferential surface of the ink roller 21 is arranged in the port of the ink tank 19, the ink tank 19 and the fixing plate 15 are provided with the same charging hole, and a charging pipe 22 is fixedly connected in the charging hole; when the device is used, the ink roller 21 is arranged, so that the ink can be continuously supplied to the printing roller 17, the sufficiency of the ink of the printing roller 17 is ensured, the printing operation can be continuously performed, and the printing efficiency is improved.

The working principle is that the positioning device of the printing machine has some problems when in use, and because the printing roller 17 is required to correspond to the paperboard printing starting point when in printing, the existing equipment cannot accurately roll-print the paperboard, and the printing position cannot be matched with the height of the paperboard to be printed, so that the generation of printing waste is increased; therefore, a printing positioning device of a printing machine is provided for solving the problems; when the paperboard is printed, the paperboard is placed on the conveying roller 27, the rotary cap 4 is rotated and started, the threaded rod 3 drives the two groups of limiting rollers 6 to be close to each other until the two groups of limiting rollers 6 are moved to be in contact with two sides of the paperboard, the locking cap 7 is twisted, the threaded rod 3 is fixed, the limiting rollers 6 can be fixed at the current position, the paperboard can be limited, the second motor 28 is started, the rotating shaft drives the conveying roller 27 to rotate, the paperboard can be stably conveyed, when the paperboard is conveyed to pass through the movable plate 9, the weight of the paperboard can press the movable plate 9 to move downwards, the first spring 10 is compressed, the first electrode plate 11 moves along with the movable plate, when the first electrode plate 11 moves to be in contact with the second electrode plate 12, the pneumatic cylinder 14 is electrified to start the operation, the pneumatic rod drives the fixed plate 15 to move downwards through the pneumatic cylinder 14, the printing roller 17 moves downwards along with the lower part, the paperboard can be accurately printed, and the printing position can be matched with the required height of the paperboard can be stably conveyed, when the printing position is matched with the paperboard, and the printing device can be used for printing, and cut in printing waste can be better;

when printing the cardboard, through setting up arc press board 25, can press the both sides of cardboard printing position fixedly to can effectually guarantee that the cardboard does not take place the skew in printing process position, thereby can be more accurate print the cardboard, thereby improved the effect of printing.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. A printing positioning device of a printing machine is characterized in that: comprises a workbench (1); the utility model discloses a novel electrode plate, including workstation (1), screw, bearing frame cooperation, mounting bracket (5), locking cap (7) are all overlapped on two screw rods (3), L shaped plate (2) are all fixedly connected to the bottom of workstation (1), screw has all been seted up on two L shaped plates (2), threaded rod (3) have all been alternatied in two screw holes, the one end rigid coupling of two threaded rods (3) has rotatory cap (4), the other end of two rotatory cap (4) is installed through bearing frame cooperation rotation mounting bracket (5), all install a plurality of spacing rollers (6) through the round pin axle cooperation rotation in two mounting brackets (5), all the cover is equipped with locking cap (7) on two threaded rods (3), just locking cap (7) set up between L shaped plate (2) and rotatory cap (4), set up fluted plate (8) on workstation (1), both sides inner wall cooperation rotation of fluted plate (8) has fly leaf (9), the rigid coupling has two first springs (10) between fly leaf plate (9) and fluted plate (8) inner wall, install first (11) on the bottom inner wall of fluted plate (8).

2. A printing positioning device for a printing press according to claim 1, wherein: install support frame (13) on workstation (1), pneumatic cylinder (14) are installed at the top of support frame (13), just electric connection between pneumatic cylinder (14), first electrode plate (11) and second electrode plate (12), the action end of pneumatic cylinder (14) is equipped with the pneumatic rod, the bottom rigid coupling of pneumatic rod has fixed plate (15), the rigid coupling has fixing base (16) on fixed plate (15), install printing roller (17) through axis of rotation cooperation rotation in fixing base (16), first motor (18) are installed to one side of fixing base (16), the output of first motor (18) is connected with the one end of axis of rotation.

3. A printing positioning device for a printing press according to claim 2, wherein: two sides of the fixed plate (15) are fixedly connected with two short plates (23), rod holes are formed in the two short plates (23), movable rods (24) are inserted in the two rod holes, limiting caps are fixedly connected to the tops of the two movable rods (24), arc-shaped pressing plates (25) are fixedly connected to the bottoms of the two movable rods (24), second springs (26) are fixedly connected between the two short plates (23) and the corresponding arc-shaped pressing plates (25), and the second springs (26) are sleeved on the movable rods (24).

4. A printing positioning device for a printing press according to claim 2, wherein: install ink case (19) on fixed plate (15), the port both sides of ink case (19) all are fixedly connected with fixed block (20), and two fixed blocks (20) cooperation rotation are installed ink roller (21), just the circumference top of ink roller (21) sets up in the port of ink case (19).

5. A printing positioning device for a printing press according to claim 1, wherein: the workbench (1) is provided with a through groove, a plurality of conveying rollers (27) are installed in the through groove in a matched rotation mode through a rotating shaft, two second motors (28) are installed on one side of the workbench (1), and output ends of the two second motors (28) are connected with end portions of the rotating shafts located at a starting end and a tail end respectively.

6. The printing positioning device of claim 4, wherein: the ink box (19) and the fixed plate (15) are provided with the same feeding hole, and a feeding pipe (22) is fixedly connected in the feeding hole.