CN217172660U - Coiling device for printing machine - Google Patents

Abstract

The present application relates to the technical field of printing press equipment, and discloses a rewinding device for a printing press, comprising a frame, the top and inner bottom walls of the frame are fixedly mounted with pillars, and the top of the rack is located on the outer side of the pillars A fixed casing is fixedly installed. The rewinding device for the printing press is used in conjunction with a servo motor, a threaded rod, a driving block, a connecting block, a connecting rod, a support rod, a mounting frame, a deviation-correcting roller and a deviation-correcting sensor. When the deviation-correcting sensor detects the deviation of the printing paper, the Send the signal to the controller, the controller controls the servo motor, the servo motor starts, the threaded rod rotates, the drive block and the connecting block move, so that the connecting rod can move, the support rod rotates, the mounting frame and the deflection roller are inclined, if the printing paper is If the printing paper is deviated backwards, the mounting frame and the guiding roller are inclined forward, so that the printing paper can be in the center position and the winding quality of the printing machine can be improved.

Description

A rewinding device for a printing press

technical field

The present application relates to the technical field of printing press equipment, in particular to a winding device for a printing press.

Background technique

A printing press is a machine that prints text and images. Modern printing presses are generally composed of plates, inking, embossing and paper feeding. Its working principle is to first make the text and images to be printed into printing plates, which are installed in the printing plate. On the printing machine, the ink is then applied to the places with text and images on the printing plate manually or by a printing machine, and then directly or indirectly transferred to paper or other substrates, so as to reproduce the same printed matter as the printing plate. The invention and development of the machine play an important role in the spread of human civilization and culture.

In the process of realizing the present application, the inventor found that there are at least the following problems in this technology. When the existing printing press uses a rewinding device to rewind the printing paper, the reeled printing paper is easily deviate from the rewinding, resulting in the unwinding of the reeled paper. The printing paper is not neat, which affects the winding quality and is inconvenient to use. Therefore, a winding device for a printing machine is proposed to solve the above-mentioned problems.

Utility model content

In view of the deficiencies of the prior art, the present application provides a rewinding device for a printing machine, which has the advantage of avoiding deviation of printing paper and solves the problem of easy deviation of printing paper.

In order to achieve the above-mentioned purpose of avoiding deviation of printing paper, the present application provides the following technical solution: a rewinding device for a printing press, comprising a frame, the top and inner bottom walls of the frame are fixedly installed with pillars, and the The top and the outer side of the pillar are fixedly installed with a fixed shell, the outer surface of the fixed shell is provided with a deviation correction mechanism to improve the winding effect, and the deviation correction mechanism includes a servo motor, a threaded rod, a driving block, a connecting block, a connecting rod, a support A rod, a mounting bracket, a deviation correction roller and a deviation correction sensor, the servo motor is fixedly installed on the outer surface of the fixed shell, the threaded rod is fixedly installed on the output shaft of the servo motor, and the drive block is threadedly connected to the outer surface of the threaded rod , the connecting block is fixedly installed on the top of the driving block, the connecting rod is rotatably connected to the top of the connecting block, the support rod is rotatably connected to the top of the pillar, and the side of the support rod far away from the pillar is outside the connecting rod. The surface is rotatably connected, the mounting frame is rotatably connected to the top of the connecting rod, the deflection rectifying roller is rotatably connected to the front and back of the inner wall of the mounting frame, and the deflection rectifying sensor is fixedly installed on the front of the inner wall of the frame.

Further, the threaded rod is rotatably connected with the fixed shell, the top wall of the fixed shell is slidably connected with the outer surface of the connecting block, the top wall of the fixed shell is provided with a limiting hole, and the side shape of the frame is a mouth shape. .

By adopting the above technical solution, the top wall of the fixed shell will restrict the rotation of the connecting block, so that the driving block and the connecting block can only move and not rotate.

Further, both the mounting bracket and the connecting block are fixedly installed with a support on one side of the connecting rod, the support is rotatably connected with the connecting rod, and the side surface shape of the mounting bracket is a concave shape.

By adopting the above technical solution, the support can be conveniently connected with the connecting rod, and the concave-shaped mounting frame can effectively support the deviation correction roller.

Further, sliding seats are slidably connected to opposite sides of the front inner wall and the back of the inner wall of the frame, and a tension roller is rotatably connected between the opposite sides of the two sliding seats.

By adopting the above technical solution, the tension roller is used to control the length of the printing paper.

Further, both sides of the outer surface of the sliding seat are fixedly installed with telescopic springs, the front and back of the inner wall of the frame are provided with fixing holes, and both sides of the inner wall of the fixing holes on the frame are fixedly connected to the telescopic springs. .

By adopting the above-mentioned technical solution and using a telescopic spring, the tension roller on the sliding seat can maintain a certain tension.

Further, a winding motor is fixedly installed on the back of the frame, the output shaft of the winding motor is fixedly installed with a winding roller, the outer surface of the winding roller is provided with a pressure strip, and the interior of the pressure strip is inserted with a Mounting bolts threaded to the outer surface of the take-up roll.

By adopting the above technical solutions, the outer surface of the winding roller can be easily pressed by using the bead, and the bead can be installed or removed by using the mounting bolts.

Further, two guide rollers are rotatably connected between the opposite sides of the inner wall front and the inner wall back of the frame, and the two guide rollers are located outside the mounting frame.

By adopting the above technical solution, the guide roller is used to guide and drive the printing paper.

Further, a controller is fixedly installed on the outer surface of the frame, and the controller is electrically connected with the servo motor and the deviation correction sensor.

By adopting the above technical solution, after sensing the deviation of the printing paper, the deviation correction sensor transmits a signal to the controller, and the controller controls the forward and reverse rotation of the servo motor.

Compared with the prior art, the present application provides a winding device for a printing press, which has the following beneficial effects:

The rewinding device for the printing press is used in conjunction with a servo motor, a threaded rod, a driving block, a connecting block, a connecting rod, a support rod, a mounting frame, a deviation-correcting roller and a deviation-correcting sensor. When the deviation-correcting sensor detects the deviation of the printing paper, the Send the signal to the controller, the controller controls the servo motor, the servo motor starts, the threaded rod rotates, the drive block and the connecting block move, so that the connecting rod can move, the support rod rotates, the mounting frame and the guide roller are inclined, if the printing paper is If the printing paper is deflected backward, the mounting frame and the deflection roller are inclined forward, so that the printing paper can be placed in the center position and the winding quality of the printing machine can be improved. The sliding seat, the expansion spring and the tension roller are used together. When the printing paper on the outer surface of the tension roller is pulled, the tension roller can maintain a certain tension under the elastic force of the expansion spring outside the sliding seat, so as to avoid the printing paper from loosening as much as possible. state.

Description of drawings

Fig. 1 is the front sectional view of the structure of the application;

Fig. 2 is the side sectional view of the structure of the application;

FIG. 3 is a schematic diagram of the back of the structure of the application.

In the picture: 1 frame, 2 pillars, 3 fixed shells, 4 servo motors, 5 threaded rods, 6 driving blocks, 7 connecting blocks, 8 connecting rods, 9 supporting rods, 10 mounting brackets, 11 deviation correction rollers, 12 fixing holes, 13 sliding seat, 14 telescopic spring, 15 tension roller, 16 winding motor, 17 winding roller, 18 pressing bar, 19 guide roller, 20 deviation correction sensor.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

Please refer to Figure 1-2, a rewinding device for a printing press, including a frame 1, the side shape of the frame 1 is a mouth shape, which is convenient for the printing paper to pass through the printing press for winding work, and it is convenient to wind up of printing paper. A column 2 is fixedly installed on the top inner bottom wall of the frame 1, and a fixed shell 3 is fixedly installed on the top of the frame 1 and located on the outer side of the column 2. The outer surface of the fixed shell 3 is provided with a deviation correction mechanism to improve the winding effect. It includes a servo motor 4, a threaded rod 5, a drive block 6, a connecting block 7, a connecting rod 8, a support rod 9, a mounting frame 10, a deviation correction roller 11 and a deviation correction sensor 20. The servo motor 4 is fixedly installed on the outer surface of the fixed shell 3. The threaded rod 5 is fixedly installed on the output shaft of the servo motor 4, and when the servo motor 4 is started, the threaded rod 5 is driven to rotate, and the deviation correction of the printing paper can be performed. The threaded rod 5 is rotatably connected with the fixed shell 3, and the fixed shell 3 can support the threaded rod 5, so as to avoid the bending of the threaded rod 5 from affecting the deviation correction function as much as possible. The driving block 6 is threadedly connected to the outer surface of the threaded rod 5, the connecting block 7 is fixedly installed on the top of the driving block 6, the top wall of the fixed shell 3 is slidably connected with the outer surface of the connecting block 7, and the top wall of the fixed shell 3 is provided with a limited position The top wall of the fixed shell 3 has a limiting effect on the connecting block 7, which can limit the degree of freedom of the rotating direction of the connecting block 7, so that the connecting block 7 can only move along the length direction of the fixed shell 3, thereby ensuring deviation correction of success.

The connecting rod 8 is rotatably connected to the top of the connecting block 7, the support rod 9 is rotatably connected to the top of the pillar 2, the side of the support rod 9 away from the pillar 2 is rotatably connected to the outer surface of the connecting rod 8, and the mounting frame 10 is rotatably connected to the On the top of the connecting rod 8, the side shape of the mounting frame 10 is a concave shape, and the deflection rectifying roller 11 is rotatably connected to the front and back of the inner wall of the mounting frame 10. The concave-shaped mounting frame 10 can effectively support and connect the deflection correcting roller 11, and try to avoid it. The deflection correction roller 11 is deformed. When the connecting block 7 moves, the connecting rod 8 can be moved and the support rod 9 can be rotated, so that the mounting frame 10 and the deflection correcting roller 11 are high on one side and low on the other side, so that the misaligned printing paper can be gradually corrected. , so that the printed paper is neat when rewinding, and the effect and quality of rewinding are improved. The mounting bracket 10 and the connecting block 7 are fixedly installed with a support on one side close to the connecting rod 8 , and the support is rotatably connected with the connecting rod 8 , and the deviation correction sensor 20 is fixedly installed on the front of the inner wall of the rack 1 .

In addition, two guide rollers 19 are rotatably connected between the front side of the inner wall and the opposite side of the back side of the inner wall of the frame 1, which can guide the printing paper and facilitate the correction and tensioning of the printing paper. Two guide rollers 19 are located outside the mounting frame 10 .

Referring to FIGS. 1 and 3 , fixing holes 12 are provided on the front and back of the inner wall of the rack 1 , and sliding seats 13 are slidably connected to the opposite sides of the front and the back of the inner wall of the rack 1 , and the sliding seats 13 are on the rack 1 The inner fixing hole 12 can slide left and right to tension the printing paper. Both sides of the outer surface of the sliding seat 13 are fixedly installed with telescopic springs 14, and both sides of the inner wall of the fixing hole 12 on the frame 1 are fixedly connected with the telescopic springs 14. The telescopic springs 14 can give a certain tension to the sliding seat 13. The looseness of the printing paper can be avoided as much as possible. A tension roller 15 is rotatably connected between the opposite sides of the two sliding bases 13 to tension the printing paper.

Please refer to FIG. 2 and FIG. 3 , a controller is fixedly installed on the outer surface of the frame 1 , the controller is electrically connected with the servo motor 4 , the deviation correction sensor 20 and the winding motor 16 , and the controller controls the forward and reverse rotation of the servo motor 4 to start and stop And the start and stop of the winding motor 16 . A winding motor 16 is fixedly installed on the back of the frame 1, and a winding roller 17 is fixedly installed on the output shaft of the winding motor 16. The winding motor 16 starts to drive the winding roller 17 to rotate, thereby winding the printing paper. The outer surface of the take-up roller 17 is provided with a bead 18, and the inside of the bead 18 is inserted with mounting bolts that are threadedly connected to the outer surface of the take-up roller 17, the printing paper is pressed by the bead, and then the bead is fixed with the mounting bolt, as far as possible. Prevent the printing paper from falling off the take-up roller 17 during rewinding.

The working principle of the above embodiment is:

The printing machine uses a rewinding device to pass the printing paper through the guide roller 19, the deviation correction roller 11, and the tension roller 15 in sequence, and pull it to the outer surface of the winding roller 17, press it with the pressure bar 18, and then fix it with mounting bolts , and then start the winding motor 16, the winding roller 17 rotates, and the printing paper is wound. After the winding is completed, the mounting bolts are unscrewed, the bead 18 is pulled out, and the wound printing paper is taken out from the outer surface of the winding roller 17.

The electrical components appearing in the text are all electrically connected to the main controller and the power supply. The main controller can be a conventionally known device controlled by a computer or the like, and the existing disclosed power connection technology will not be repeated in the text.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principles and spirit of the present application and modifications, the scope of this application is defined by the appended claims and their equivalents.

Claims (8)

1. A rewinding device for a printing press, comprising a frame (1), a column (2) is fixedly mounted on the top inner bottom wall of the frame (1), and the top of the frame (1) is located at the column A fixed shell (3) is fixedly installed on the outer side of (2), and is characterized in that: the outer surface of the fixed shell (3) is provided with a deviation correction mechanism to improve the winding effect; The deviation correction mechanism comprises a servo motor (4), a threaded rod (5), a driving block (6), a connecting block (7), a connecting rod (8), a support rod (9), a mounting frame (10), a deviation correction roller ( 11) and the deviation correction sensor (20), the servo motor (4) is fixedly installed on the outer surface of the fixed shell (3), the threaded rod (5) is fixedly installed on the output shaft of the servo motor (4), the The driving block (6) is threadedly connected to the outer surface of the threaded rod (5), the connecting block (7) is fixedly mounted on the top of the driving block (6), and the connecting rod (8) is rotatably connected to the connecting block (7) The top of the support rod (9) is rotatably connected to the top of the pillar (2), and the side of the support rod (9) away from the pillar (2) is rotatably connected to the outer surface of the connecting rod (8). The frame (10) is rotatably connected to the top of the connecting rod (8), the deviation-correcting roller (11) is rotatably connected to the front and back of the inner wall of the mounting frame (10), and the deviation-correcting sensor (20) is fixedly installed on the frame ( 1) The front of the inner wall. 2 . The winding device for a printing press according to claim 1 , wherein the threaded rod ( 5 ) is rotatably connected to the fixed shell ( 3 ), and the top wall of the fixed shell ( 3 ) is connected to the The outer surface of the block (7) is slidably connected, the top wall of the fixed shell (3) is provided with a limiting hole, and the side surface of the frame (1) is shaped like a mouth. 3. A rewinding device for a printing press according to claim 1, characterized in that: a support is fixedly installed on one side of the mounting frame (10) and the connecting block (7) close to the connecting rod (8) , the support is rotatably connected with the connecting rod (8), and the lateral shape of the mounting bracket (10) is a concave shape. 4. A rewinding device for a printing press according to claim 1, characterized in that a sliding seat (13) is slidably connected to the opposite side of the front side of the inner wall and the back side of the inner wall of the frame (1), and two A tension roller (15) is rotatably connected between opposite sides of the sliding seat (13). 5 . The rewinding device for a printing press according to claim 4 , characterized in that: expansion springs ( 14 ) are fixedly installed on both sides of the outer surface of the sliding seat ( 13 ), and the frame ( 1 ) Fixing holes (12) are provided on both the front and the back of the inner wall of the frame (1), and both sides of the inner wall of the fixing holes (12) on the frame (1) are fixedly connected with the telescopic springs (14). 6 . The winding device for a printing press according to claim 1 , wherein a winding motor ( 16 ) is fixedly installed on the back of the frame ( 1 ), and the winding motor ( 16 ) has a The output shaft is fixedly installed with a take-up roller (17), the outer surface of the take-up roller (17) is provided with a bead (18), and the inside of the bead (18) is inserted with the outer surface of the take-up roller (17). Mounting bolts for surface threaded connections. 7. The rewinding device for a printing press according to claim 1, wherein two guide rollers (19) are rotatably connected between the front side of the inner wall and the opposite side of the back side of the inner wall of the frame (1). , the two guide rollers (19) are located outside the mounting frame (10). 8 . The winding device for a printing press according to claim 1 , wherein a controller is fixedly installed on the outer surface of the frame ( 1 ), and the controller is connected to a servo motor ( 4 ) and a deviation correction. 9 . The sensor (20) is electrically connected.

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