Printing paper conveying mechanism for printing

Abstract

The utility model discloses a printing paper conveying mechanism for printing, which relates to the field of printing paper conveying and comprises two frame plates, a power mechanism is mounted on the outer side of one frame plate, and a connecting shaft is rotatably mounted between the two frame plates. The connecting shaft comprises a first rotating shaft, a second connecting shaft and a synchronizing shaft, the first rotating shaft and the second connecting shaft are arranged at the head part and the tail part, the synchronizing shaft is located in the middle part, the plane ends, away from each other, of the first rotating shaft and the second connecting shaft are rotationally connected with the two frame plates correspondingly, and the power mechanism is coaxially and fixedly connected with the plane ends of the two first rotating shafts; the non-planar end of the first rotating shaft and the non-planar end of the second connecting shaft are connected with the synchronizing shaft through a butt joint mechanism. Through the arrangement of the butt joint mechanism, after the corresponding conveying belt is determined, the corresponding conveying belt and the shaft can be disassembled, the whole connecting shaft and the conveying belt in the same group do not need to be disassembled, and therefore the installation and disassembly difficulty is lowered, and the maintenance efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of printing paper transportation, in particular to a printing paper transmission mechanism for printing. Background Art

[0002] When printing paper is being printed, it needs to be transported. The transportation is divided into front-end transportation, middle-end transportation and end-end transportation. The front-end transportation is generally to introduce the paper into the printing press. The middle-end transportation is installed inside the printing press to tension the paper and guide the paper into the printing position. The end-end transportation is to export the printed paper.

[0003] Front-end conveying generally adopts a belt conveyor device, that is, the same conveying force is applied to the upper and lower sides of the paper to guide the paper into the conveyor. When the belt conveyor device is in use, due to the slack of one conveyor belt, the force applied to the paper will be uneven, which will cause wrinkles and deviations in the paper conveying. In the existing technology, since the upper and lower sets of conveyor belts are coaxially connected, it is necessary to disassemble the corresponding set of the upper and lower conveyor belts during maintenance, which will result in a long maintenance time. Utility Model Content

[0004] The purpose of the present utility model is to provide a printing paper transmission mechanism for solving the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a printing paper transmission mechanism for printing, comprising two frame plates, a power mechanism is installed on the outer side of one of the frame plates, a connecting shaft is rotatably installed between the two frame plates, the connecting shaft comprises a No. 1 rotating shaft, a No. 2 connecting shaft and a synchronous shaft located in the middle part, the planar ends of the No. 1 rotating shaft and the No. 2 connecting shaft that are away from each other are respectively rotatably connected to the two frame plates, the power mechanism is coaxially fixedly connected to the planar ends of the two No. 1 rotating shafts, the non-planar ends of the No. 1 rotating shaft and the No. 2 connecting shaft are connected to the synchronous shaft through a docking mechanism, and adjacent synchronous shafts are connected through a docking mechanism.

[0006] As a further solution of the present invention: the power mechanism includes a driving motor installed on the outside of the frame plate through a mounting bracket, a driving gear is fixedly installed on the output end of the driving motor, a driven gear is meshed on the upper outside of the driving gear, and the driving gear and the driven gear are respectively coaxially fixedly connected to the two No. 1 rotating shafts located on the same vertical line through connecting shafts.

[0007] As a further solution of the present invention: the docking mechanism includes a docking block, a through hole No. 1 is provided inside the docking block, and the docking block is integrally formed with the No. 1 rotating shaft and one end of the synchronous shaft.

[0008] As a further solution of the present invention: the docking mechanism also includes a docking groove and a No. 2 through hole, the inner cavity of the docking groove is connected to the inner cavity of the No. 2 through hole, the docking groove is opened at one end of the No. 2 connecting shaft and the synchronization shaft, and the docking groove is used to connect with the docking block.

[0009] As a further solution of the present invention: grooves are provided on the top and bottom of the outer periphery of the No. 2 connecting shaft and the synchronous shaft near one end of the docking groove.

[0010] As a further solution of the present invention: the outer peripheries of the No. 1 rotating shaft, the No. 2 connecting shaft and the synchronous shaft are all integrally formed with protruding plates, and both ends of the protruding plates are shorter than both ends of the No. 1 rotating shaft, the No. 2 connecting shaft and the synchronous shaft.

[0011] As a further solution of the present invention: the multiple transmission wheels are respectively interference-fitted on the outer walls of the No. 1 rotating shaft, No. 2 connecting shaft and synchronous shaft, and the inner walls of the transmission wheels are consistent with the cross-sections of the No. 1 rotating shaft, No. 2 connecting shaft, synchronous shaft and the protruding plate; the two transmission wheels distributed along the length direction of the frame plate are connected by a conveyor belt.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. By setting up a docking mechanism, after determining the corresponding conveyor belt, the corresponding conveyor belt and shaft can be disassembled without disassembling the entire connecting shaft and the conveyor belt of the same group, thereby reducing the difficulty of installation and disassembly and improving maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 This is a schematic structural diagram of the connecting shaft of the utility model;

[0016] Figure 3 This is a structural diagram of the docking mechanism of the present utility model;

[0017] Figure 4 This is a structural schematic diagram of the docking mechanism of the present invention from another perspective.

[0018] In the figure: 1. Frame plate; 2. Driving motor; 3. Driving gear; 4. Driven gear; 5. Connecting shaft; 501. Rotating shaft No. 1; 502. Connecting shaft No. 2; 503. Synchronous shaft; 6. Transmission wheel; 7. Docking block; 8. Docking groove; 9. Through hole No. 1; 10. Through hole No. 2; 11. Protruding plate; 12. Groove; 13. Conveyor belt. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figures 1 to 4 In an embodiment of the present invention, a printing paper transmission mechanism for printing includes two frame plates 1, a power mechanism is installed on the outer side of one frame plate 1, and a connecting shaft 5 is rotatably installed between the two frame plates 1. The connecting shaft 5 includes a No. 1 rotating shaft 501 at the head and tail parts, a No. 2 connecting shaft 502 and a synchronous shaft 503 located in the middle part. The planar ends of the No. 1 rotating shaft 501 and the No. 2 connecting shaft 502 that are away from each other are respectively rotatably connected to the two frame plates 1, the power mechanism is coaxially fixedly connected to the planar ends of the two No. 1 rotating shafts 501, the non-planar ends of the No. 1 rotating shaft 501 and the No. 2 connecting shaft 502 are connected to the synchronous shaft 503 through a docking mechanism, and adjacent synchronous shafts 503 are connected through a docking mechanism.

[0021] In this embodiment, one end of the printed paper passes between the upper and lower conveyor belts 13, and then the power mechanism is activated, which enables the upper and lower conveyor belts 13 to drive at the same speed and in opposite directions, thereby pulling and conveying the paper between the two conveyor belts 13;

[0022] During the conveying process, the upper and lower conveyor belts 13 exert the same force on the upper and lower surfaces of the paper, so that the paper can be effectively prevented from wrinkling and deflecting due to uneven force during the conveying process.

[0023] During the long-term use of the device, if a single conveyor belt 13 becomes loose, and the forces applied to the paper surface by multiple conveyor belts 13 are inconsistent, the paper will be wrinkled and offset during the conveyance process. At this time, the staff will determine the position of the loose conveyor belt 13 (which can be determined by the tension of the conveyor belt 13, such as by pressing), and then disassemble the No. 1 rotating shaft 501 or No. 2 connecting shaft 502 or synchronous shaft 503 corresponding to the corresponding conveyor belt 13 through the corresponding docking mechanism, remove it, and replace it with a new conveyor belt 13.

[0024] Please refer to Figure 1The power mechanism includes a driving motor 2 installed on the outside of a frame plate 1 through a mounting bracket. A driving gear 3 is fixedly installed on the output end of the driving motor 2. A driven gear 4 is meshed on the upper outside of the driving gear 3. The driving gear 3 and the driven gear 4 are respectively coaxially fixedly connected to two No. 1 rotating shafts 501 located on the same vertical line through connecting shafts.

[0025] In this embodiment, when transporting paper, the driving motor 2 is started, which drives the driving gear 3 at its output end to rotate, and the driving gear 3 drives the driven gear 4 to rotate. Since the driving gear 3 and the driven gear 4 are gears of the same size, the driving gear 3 and the driven gear 4 rotate in opposite directions, and the angular velocity of the rotation is consistent with the linear velocity.

[0026] Please refer to Figure 2 、 Figure 3 and Figure 4 The docking mechanism includes a docking block 7, which has a No. 1 through-hole 9 formed inside the docking block 7. The docking block 7 is integrally formed at one end of the No. 1 rotating shaft 501 and the synchronous shaft 503. The docking mechanism also includes a docking groove 8 and a No. 2 through-hole 10. The inner cavity of the docking groove 8 is connected to the inner cavity of the No. 2 through-hole 10. The docking groove 8 is provided at one end of the No. 2 connecting shaft 502 and the synchronous shaft 503. The docking groove 8 is used to connect with the docking block 7. The top and bottom of the outer periphery of the No. 2 connecting shaft 502 and the synchronous shaft 503 near the end of the docking groove 8 are both provided with grooves 12.

[0027] In this embodiment, when removing the loose conveyor belt 13, the nut is rotated by using a tool (such as a wrench) to loosen the nut and the bolts threaded therewith. The bolts are then removed from the No. 1 through-hole 9 and the No. 2 through-hole 10. The No. 1 rotating shaft 501 or the No. 2 connecting shaft 502 or the synchronous shaft 503 corresponding to the loose conveyor belt 13 can then be removed, and the conveyor belt 13 can then be replaced.

[0028] After the replacement is completed, the docking mechanism on the corresponding No. 1 rotating shaft 501 or No. 2 connecting shaft 502 or synchronous shaft 503 is docked with the docking mechanism on the other synchronous shaft 503. Specifically, the docking block 7 at one end is docked with the undisassembled docking groove 8, and the docking groove 8 at the other end is docked with the undisassembled docking block 7. After the docking is completed, the bolt is inserted into the No. 1 through hole 9 and the No. 2 through hole 10, and tightened with a nut. After the nut is tightened, one end of the nut and the end of the bolt are tightly against the plane of the groove 12, and the fixation is completed.

[0029] Please refer to Figure 2 、 Figure 3 and Figure 4The outer peripheries of the No. 1 rotating shaft 501, the No. 2 connecting shaft 502 and the synchronous shaft 503 are all integrally formed with a protruding plate 11, and both ends of the protruding plate 11 are shorter than the ends of the No. 1 rotating shaft 501, the No. 2 connecting shaft 502 and the synchronous shaft 503. Multiple transmission wheels 6 are interference fitted on the outer walls of the No. 1 rotating shaft 501, the No. 2 connecting shaft 502 and the synchronous shaft 503, and the inner walls of the transmission wheels 6 are consistent with the cross-sections of the No. 1 rotating shaft 501, the No. 2 connecting shaft 502, the synchronous shaft 503 and the protruding plate 11; the two transmission wheels 6 distributed along the length direction of the frame plate 1 are connected by a conveyor belt 13.

[0030] In this embodiment, when the No. 1 rotating shaft 501, the No. 2 connecting shaft 502, and the synchronous shaft 503 rotate, the transmission wheel 6 installed on the periphery thereof is driven to rotate synchronously. The rotation of the transmission wheel 6 can drive the conveyor belt 13 to transmit, thereby realizing the conveyance of paper.

[0031] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A printing paper transport mechanism for printing, comprising two frame plates (1), characterized in that: A power mechanism is installed on the outer side of one of the frame plates (1), and a connecting shaft (5) is rotatably installed between the two frame plates (1). The connecting shaft (5) includes a No. 1 rotating shaft (501) at the head and tail parts, a No. 2 connecting shaft (502), and a synchronization shaft (503) located in the middle part. The planar ends of the No. 1 rotating shaft (501) and the No. 2 connecting shaft (502) that are away from each other are respectively rotatably connected to the two frame plates (1). The power mechanism is coaxially fixedly connected to the planar ends of the two No. 1 rotating shafts (501). The non-planar ends of the No. 1 rotating shaft (501) and the No. 2 connecting shaft (502) are connected to the synchronization shaft (503) through a docking mechanism, and adjacent synchronization shafts (503) are connected through a docking mechanism.

2. A printing paper transport mechanism according to claim 1, characterized in that: The power mechanism comprises a driving motor (2) mounted on the outside of one of the frame plates (1) via a mounting bracket, a driving gear (3) fixedly mounted on the output end of the driving motor (2), a driven gear (4) meshing on the upper outside of the driving gear (3), and the driving gear (3) and the driven gear (4) are coaxially fixedly connected to two No. 1 rotating shafts (501) located on the same vertical line via connecting shafts.

3. A printing paper transport mechanism according to claim 2, characterized in that: The docking mechanism comprises a docking block (7), a first through hole (9) is provided inside the docking block (7), and the docking block (7) is integrally formed with one end of the first rotating shaft (501) and the synchronous shaft (503).

4. A printing paper transport mechanism according to claim 3, characterized in that: The docking mechanism further comprises a docking groove (8) and a second through hole (10), wherein the inner cavity of the docking groove (8) is communicated with the inner cavity of the second through hole (10), and the docking groove (8) is provided at one end of the second connecting shaft (502) and the synchronous shaft (503), and the docking groove (8) is used for docking with the docking block (7).

5. A printing paper transport mechanism according to claim 4, characterized in that: Grooves (12) are provided on the top and bottom of the outer periphery of the second connecting shaft (502) and the synchronous shaft (503) close to one end of the docking groove (8).

6. A printing paper transport mechanism according to claim 5, characterized in that: The outer peripheries of the No. 1 rotating shaft (501), the No. 2 connecting shaft (502) and the synchronous shaft (503) are all integrally formed with a protruding plate (11), and both ends of the protruding plate (11) are shorter than both ends of the No. 1 rotating shaft (501), the No. 2 connecting shaft (502) and the synchronous shaft (503).

7. A printing paper transport mechanism according to claim 6, characterized in that: A plurality of transmission wheels (6) are respectively interference-fitted on the outer walls of the No. 1 rotating shaft (501), the No. 2 connecting shaft (502) and the synchronous shaft (503); the inner walls of the transmission wheels (6) coincide with the cross sections of the No. 1 rotating shaft (501), the No. 2 connecting shaft (502), the synchronous shaft (503) and the protruding plate (11); and the two transmission wheels (6) distributed along the length direction of the frame plate (1) are connected by a conveyor belt (13).

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