Burr-preventing cutting assembly of paperboard printing machine

Abstract

The utility model discloses an anti-burr cutting assembly of a paperboard printing machine, which relates to the related technical field of printing machines, and comprises a printing machine conveying table, first guide rails, second guide rails and a support plate, the lower surface of the printing machine conveying table is fixedly connected with a front group of second guide rails and a rear group of second guide rails, and the lower ends of the second guide rails are provided with second chutes; a double-end motor is fixedly mounted in the middle of each second sliding groove, second threaded rods are arranged at the left end and the right end of each double-end motor, each second threaded rod is in threaded connection with a connecting frame, one part of each connecting frame penetrates through the side walls of the two sides of the printing machine conveying table, one end of each connecting frame is clamped in the corresponding second sliding groove, and the other end of each connecting frame is fixedly connected with a limiting plate; when a carton paperboard is conveyed, the double-end motor is started, the limiting plates can move towards the middle to make slight contact with the carton paperboard, in this way, the left limiting plate and the right limiting plate can limit the carton paperboard and prevent the carton paperboard from inclining, the left position and the right position of the limiting plates can be adjusted, and then the carton paperboard conveying device adapts to the carton paperboards of different widths.

Description

Technical Field

[0001] The utility model relates to the technical field related to printing machines, in particular to an anti-burr cutting component of a cardboard printing machine. Background Art

[0002] A cardboard printing press is a device specifically designed for printing cardboard and thick cardboard. This type of printing press is usually designed to process thicker materials such as cardboard and corrugated cardboard, which are used to make packaging boxes, book covers, advertising materials, etc.

[0003] After searching, it was found that the Chinese patent with application number 201811198523.6 discloses an anti-burr cutting mechanism for a printing press, including a printing press bracket, a conveying device and a bidirectional cutting knife group. The printing press bracket is provided with two groups, and the two groups of printing press brackets are fixedly connected by a connecting plate. The plate surface of the connecting plate is fixedly connected to a guide rod, and the surface of the printing press bracket is provided with a conveying device. A translation slide is slidably connected to the rod body of the guide rod. The surface of the translation slide is fixedly connected to the end of an electric push rod, and the electric push rod is fixedly connected to the plate surface of a carrying plate, and the carrying plate is fixedly connected to the plate surface of a connecting plate, and the electric push rod is arranged through the plate surface of the connecting plate; the anti-burr cutting device proposed by the present invention is arranged between the conveying devices of the printing press. After the carton is printed by the printing press, it is directly cut by a scissor blade, which saves the time of transporting the carton to other cutting equipment, reduces the labor intensity of workers, and improves production efficiency.

[0004] The above utility model has the following problems:

[0005] There is a lack of limiting structure on the conveying device, and the carton board may deviate and tilt during transportation, which will affect the cutting effect.

[0006] Therefore, those skilled in the art provide a burr-proof cutting assembly for a cardboard printing press to solve the problems raised in the above background technology. Utility Model Content

[0007] The utility model aims to provide a burr-proof cutting component for a cardboard printing machine to solve the problems raised in the above-mentioned background technology.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] The cam is provided with a first slide groove, and a second slide groove is provided in the first slide groove. A double-headed motor is fixedly installed in the middle of the second slide groove. Second threaded rods are provided at both ends of the double-headed motor, wherein the second threaded rods are rotatably connected to the second guide rails, and the second threaded rods are threadedly connected to connecting frames, wherein a part of the connecting frame passes through the side walls on both sides of the printing press conveyor platform, one end of the connecting frame is clamped in the second slide groove, and the other end of the connecting frame is fixedly connected to the limiting plate. Front and rear groups of conveying components are provided at the upper end of the printing press conveyor platform, and a first guide rail is provided between the conveying components, wherein the first guide rail is fixedly connected to the printing press conveyor platform, a first slide groove is provided at the upper end of the first guide rail, a first slider is clamped in the first slide groove, the upper end of the first slider is fixedly connected to the supporting rod, the upper end of the supporting rod is fixedly connected to the supporting plate, and the lower ends of the left and right sides of the supporting plate are fixedly connected to cutting knives, wherein the lower end of the cutting knife is fixedly connected to the first slider.

[0010] As a further solution of the utility model: a first servo motor is fixedly installed on the right side of the first guide rail, and a first threaded rod is fixedly connected to the power output end of the first servo motor, wherein the first threaded rod is rotatably connected to the first guide rail, and the first threaded rod is threadedly connected to the first slider.

[0011] As a further solution of the utility model: a rotating motor is fixedly installed on the upper surface of the support plate, and a main rotating shaft is fixedly connected to the power output end of the rotating motor, wherein the main rotating shaft is rotatably connected to the support plate and the first sliding block.

[0012] As a further solution of the utility model: an auxiliary rotating shaft is arranged on the right side of the support rod, wherein the auxiliary rotating shaft is rotatably connected to the support plate and the first sliding block, and grinding rollers are fixedly connected to the main rotating shaft and the auxiliary rotating shaft.

[0013] As a further solution of the utility model: a main pulley is fixedly connected to the main rotating shaft, an auxiliary pulley is fixedly connected to the auxiliary rotating shaft, a transmission belt is arranged on the main pulley, wherein one end of the transmission belt is wound around the main pulley, and the other end is wound around the auxiliary pulley.

[0014] As a further solution of the utility model: the upper surface of the right side of the printing press conveyor table is electrically connected with a controller, and the left and right sides of the lower end of the printing press conveyor table are bolted with a plurality of sets of locking universal wheels.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] When conveying cardboard, start the double-head motor, which can make the connecting frame drive the limit plate to move to the middle until it is in slight contact with the carton cardboard. In this way, the left and right sets of limit plates can limit the carton cardboard to prevent it from tilting, and the limit plates can adjust the left and right positions to adapt to carton cardboards of different widths. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The present invention is a schematic structural diagram of a burr-proof cutting component of a cardboard printing machine.

[0018] Figure 2 The present invention is a schematic structural diagram of a first guide rail and a first slide groove in a burr-proof cutting assembly of a cardboard printing machine.

[0019] Figure 3 The present invention is a schematic structural diagram of a first servo motor and a double-head motor in a burr-proof cutting assembly of a cardboard printing press.

[0020] Figure 4 The present invention is a schematic structural diagram of a second guide rail and a connecting frame in a burr-proof cutting assembly of a cardboard printing press.

[0021] Figure 5 The present invention is a schematic structural diagram of a first sliding block and a cutting knife in a burr-proof cutting assembly of a cardboard printing machine.

[0022] Figure 6 The present invention is a schematic diagram of the structure of a grinding roller and a rotating motor in a burr-proof cutting assembly of a cardboard printing press.

[0023] In the figure: 1. printing press conveyor table; 2. conveying assembly; 3. first guide rail; 4. first slide groove; 5. first servo motor; 6. first threaded rod; 7. first slider; 8. support plate; 9. support rod; 10. cutting knife; 11. rotating motor; 12. main rotating shaft; 13. auxiliary rotating shaft; 14. main pulley; 15. auxiliary pulley; 16. transmission belt; 17. grinding roller; 18. second guide rail; 19. second slide groove; 20. double-headed motor; 21. second threaded rod; 22. connecting frame; 23. limit plate; 24. controller; 25. locking universal wheel. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0025] Reference Figure 1-6The embodiment provides a burr-proof cutting assembly for a cardboard printing press, including a printing press conveying platform 1, a first guide rail 3, a second guide rail 18 and a support plate 8, wherein the lower surface of the printing press conveying platform 1 is fixedly connected with two groups of front and rear second guide rails 18, the lower ends of the second guide rails 18 are provided with second slide grooves 19, and the middle of the second slide grooves 19 are fixedly installed with double-headed motors 20, and the left and right ends of the double-headed motor 20 are provided with second threaded rods 21, wherein the second threaded rods 21 are rotatably connected to the second guide rails 18, and the second threaded rods 21 are threadedly connected with connecting frames 22, wherein a part of the connecting frame 22 passes through the side walls on both sides of the printing press conveying platform 1, one end of the connecting frame 22 is clamped in the second slide groove 19, and the other end of the connecting frame 22 is fixedly connected to the limiting plate 23, the printing press conveying platform 1 is provided with a plurality of second threaded rods 21, and the second threaded rods 21 are connected to the second guide rails 18, and the second threaded rods 21 are connected with connecting frames 22. Two front and rear groups of conveying components 2 are arranged on the upper end of the printing machine conveying platform 1, and a first guide rail 3 is arranged between the conveying components 2, wherein the first guide rail 3 is fixedly connected to the printing machine conveying platform 1, and a first slide groove 4 is opened on the upper end of the first guide rail 3, and a first slider 7 is clamped in the first slide groove 4, and a support rod 9 is fixedly connected to the upper end of the first slider 7. When conveying cartons and paperboards, the cartons and paperboards can be placed on the conveying component 2, and then the double-headed motor 20 is started to drive the second threaded rod 21 to rotate, and the second threaded rod 21 drives the connecting frame 22 to move toward the middle, and the connecting frame 22 drives the limiting plate 23 to move toward the middle until it is slightly in contact with the carton, so that the left and right groups of limiting plates 23 can limit the cartons and paperboards, and the limiting plates 23 can adjust the left and right positions, thereby adapting to cartons and paperboards with different widths. Example 2

[0026] Reference Figure 1-6This embodiment is based on the previous embodiment, and is different from the previous embodiment in that a support plate 8 is fixedly connected to the upper end of the support rod 9, and a cutting knife 10 is fixedly connected to the lower ends of the left and right sides of the support plate 8, wherein the lower end of the cutting knife 10 is fixedly connected to the first slider 7, a first servo motor 5 is fixedly installed on the right side of the first guide rail 3, and a first threaded rod 6 is fixedly connected to the power output end of the first servo motor 5, wherein the first threaded rod 6 is rotatably connected to the first guide rail 3, and the first threaded rod 6 is threadedly connected to the first slider 7, a rotating motor 11 is fixedly installed on the upper surface of the support plate 8, and a main rotating shaft 12 is fixedly connected to the power output end of the rotating motor 11, wherein the main rotating shaft 12 is rotatably connected to the support plate 8 and the first slider 7, an auxiliary rotating shaft 13 is arranged on the right side of the support rod 9, wherein the auxiliary rotating shaft 13 is rotatably connected to the support plate 8 and the first slider 7, a grinding roller 17 is fixedly connected to the main rotating shaft 12 and the auxiliary rotating shaft 13, and a main pulley 14 is fixedly connected to the main rotating shaft 12, An auxiliary pulley 15 is fixedly connected to the auxiliary rotating shaft 13, and a transmission belt 16 is arranged on the main pulley 14, wherein one end of the transmission belt 16 is wound around the main pulley 14, and the other end is wound around the auxiliary pulley 15. A controller 24 is electrically connected to the upper surface of the right side of the printing press conveyor table 1, and a plurality of locking universal wheels 25 are bolted to the left and right sides of the lower end of the printing press conveyor table 1. When cutting carton paperboard, the first servo motor 5 is started to drive the first threaded rod 6 to rotate, the first threaded rod 6 drives the first slider 7 to move left and right, the first slider 7 drives the cutting knife 10 to move left and right, and the cutting knife 10 will cut the carton paperboard. At the same time, the rotating motor 11 is started to drive the main rotating shaft 12 to rotate, the main rotating shaft 12 drives the main pulley 14 to rotate, the main pulley 14 drives the transmission belt 16 to rotate, the transmission belt 16 drives the auxiliary rotating shaft 13 to rotate, the main rotating shaft 12 and the auxiliary rotating shaft 13 drive the grinding roller 17 to rotate, and the cut carton paperboard will be burred in the process of contacting with the grinding roller 17.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A burr-proof cutting assembly for a cardboard printing press, comprising a printing press conveyor table (1), a first guide rail (3), a second guide rail (18) and a support plate (8), characterized in that: The lower surface of the printing press conveying platform (1) is fixedly connected with two front and rear sets of second guide rails (18), the lower ends of the second guide rails (18) are each provided with a second slide groove (19), the middle of the second slide groove (19) is fixedly installed with a double-headed motor (20), and the left and right ends of the double-headed motor (20) are each provided with a second threaded rod (21), wherein the second threaded rod (21) is rotatably connected to the second guide rail (18), and the second threaded rod (21) is threadedly connected with a connecting frame (22), wherein a part of the connecting frame (22) passes through the side walls on both sides of the printing press conveying platform (1), one end of the connecting frame (22) is clamped in the second slide groove (19), and the other end of the connecting frame (22) is fixedly installed in the middle of the second slide groove (19). One end is fixedly connected to a limit plate (23), the upper end of the printing press conveying platform (1) is provided with two groups of front and rear conveying components (2), a first guide rail (3) is provided between the conveying components (2), wherein the first guide rail (3) is fixedly connected to the printing press conveying platform (1), a first slide groove (4) is provided at the upper end of the first guide rail (3), a first slide block (7) is clamped in the first slide groove (4), the upper end of the first slide block (7) is fixedly connected to a support rod (9), the upper end of the support rod (9) is fixedly connected to a support plate (8), the lower ends of the left and right sides of the support plate (8) are fixedly connected to cutting knives (10), wherein the lower end of the cutting knife (10) is fixedly connected to the first slide block (7).

2. The burr-proof cutting assembly of a cardboard printing press according to claim 1, characterized in that: A first servo motor (5) is fixedly mounted on the right side of the first guide rail (3).

3. The burr-proof cutting assembly of a cardboard printing press according to claim 2, characterized in that: A first threaded rod (6) is fixedly connected to the power output end of the first servo motor (5), wherein the first threaded rod (6) is rotatably connected to the first guide rail (3), and the first threaded rod (6) is threadably connected to the first slider (7).

4. The burr-proof cutting assembly of a cardboard printing press according to claim 1, characterized in that: A rotating motor (11) is fixedly mounted on the upper surface of the support plate (8), and a main rotating shaft (12) is fixedly connected to the power output end of the rotating motor (11), wherein the main rotating shaft (12) is rotatably connected to the support plate (8) and the first sliding block (7).

5. The burr-proof cutting assembly of a cardboard printing press according to claim 1, characterized in that: An auxiliary rotating shaft (13) is arranged on the right side of the support rod (9), wherein the auxiliary rotating shaft (13) is rotatably connected to the support plate (8) and the first sliding block (7), and a grinding roller (17) is fixedly connected to both the main rotating shaft (12) and the auxiliary rotating shaft (13).

6. The burr-proof cutting assembly of a cardboard printing press according to claim 5, characterized in that: A main belt pulley (14) is fixedly connected to the main rotating shaft (12), and an auxiliary belt pulley (15) is fixedly connected to the auxiliary rotating shaft (13).

7. The burr-proof cutting assembly of a cardboard printing press according to claim 6, characterized in that: A transmission belt (16) is arranged on the main pulley (14), wherein one end of the transmission belt (16) is wound around the main pulley (14) and the other end is wound around the auxiliary pulley (15).

8. The burr-proof cutting assembly of a cardboard printing press according to claim 1, characterized in that: The upper right surface of the printing press conveying platform (1) is electrically connected to a controller (24), and the left and right sides of the lower end of the printing press conveying platform (1) are bolted to a plurality of sets of locking universal wheels (25).

Images