Corrugated paper cutting equipment

Abstract

Corrugated paper cutting equipment comprises an operation table, a square surrounding plate is fixedly connected to the upper surface of the operation table, a cutting assembly is arranged in the square surrounding plate in the vertical direction, linkage mechanisms are arranged on the left side and the right side of the cutting assembly, segmented cams are arranged on the linkage mechanisms, and a pressing mechanism is arranged on the inner wall of the square surrounding plate. The lower portions of the close ends of the two linkage mechanisms are connected to the shearing assembly, the segmented cam comprises a curve section and an arc section, the curve section is a smooth curve with the radius gradually increased, the tail of the curve section is in smooth transition connection with the arc section, and the pressing mechanism drives the segmented cam to rotate in the shearing process of the shearing assembly. When the segmented cam drives the pressing mechanism to move downwards by a preset distance, a pressure stabilizing section is formed. According to the corrugated paper cutting equipment, when the pressing mechanism acts on the joint of the curve section and the arc section, the lower end of the pressing mechanism just presses a corrugated paper board, and therefore the situation that the quality of the corrugated paper board is affected due to collapse caused by too large elastic force when the cutting assembly continues to move downwards to cut is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting equipment, in particular to a corrugated paper cutting equipment. Background Art

[0002] At present, most of the cutting equipment for corrugated cardboard uses a cutter to achieve cutting, but lacks a pressing mechanism for the corrugated cardboard. In the absence of a pressing mechanism, when the cutter cuts the corrugated cardboard, the corrugated cardboard may sink downward along the cutting groove, or make the corrugated cardboard have a V-shaped structure or shift during the cutting process, affecting the cutting effect. For the above defects, China Patent discloses a corrugated cardboard cutting device with application number CN202320052921.7. The device solves the above problems by setting a workbench, a cutting groove, a cylinder, a cutter and a pressure roller. The two pressure rollers press the corrugated cardboard from the left and right sides to ensure the stability of the corrugated cardboard during the cutting process; however, when the pressure roller contacts the corrugated cardboard and the piston rod continues to extend downward, the connecting rod will gradually extend into the sleeve, and the connecting spring will be squeezed, and the elastic force of the connecting spring will gradually increase, which may cause excessive squeezing of the corrugated cardboard to cause it to collapse, affecting the quality of the corrugated cardboard. Utility Model Content

[0003] The purpose of the utility model is to provide a corrugated paper cutting device for solving the above-mentioned defects, so as to avoid collapse caused by excessive squeezing under the premise of reaching a compacted state.

[0004] To achieve the above-mentioned purpose, the following technical scheme is adopted: a corrugated paper cutting equipment comprises an operating table, a square enclosure is fixedly connected to the upper surface of the operating table, the left and right side walls of the square enclosure are provided with inlets and outlets, a shearing assembly is arranged in the vertical direction inside the square enclosure, linkage mechanisms are arranged on the left and right sides of the shearing assembly, a segmented cam is arranged on the linkage mechanism, a pressing mechanism is arranged on the inner wall of the square enclosure, the pressing mechanism is located below the segmented cam, and the lower ends of the two linkage mechanisms that are close to each other are connected to the shearing assembly, the segmented cam comprises a curved segment and an arc segment, the curved segment is a smooth curve with a gradually increasing radius, the tail of the curved segment is smoothly transitionally connected to the arc segment, the pressing mechanism drives the segmented cam to rotate according to the shearing process of the shearing assembly, and the segmented cam has a pressure stabilizing section when the pressing mechanism drives the pressing mechanism to move downward a predetermined distance.

[0005] Preferably, the shearing assembly comprises a top seat fixed on the top of the square enclosure plate, a telescopic cylinder is fixed to the lower surface of the top seat, a telescopic end of the telescopic cylinder is connected to a knife seat, and a cutting knife is connected to the knife seat.

[0006] Preferably, the linkage mechanism includes a connecting shaft located on the left and right sides of the shearing assembly, and the two ends of the connecting shaft are rotatably connected to the front and rear walls of the square enclosure. The segmented cams are respectively fixed on the two ends of the connecting shaft, and a transmission gear is fixed to the middle of the connecting shaft. It also includes a rack arranged in the vertical direction, and the rack is located on the side where the two transmission gears are away from each other, and is meshed with the transmission gear for transmission. The lower end of the rack is connected to a cross bar, and the adjacent ends of the two cross bars are commonly connected to the knife seat.

[0007] Preferably, the pressing mechanism includes a pressing seat, which is fixed to the front and rear inner walls of the square enclosure. The pressing seat is provided with a sliding hole in the vertical direction, and a push rod is slidably connected to the sliding hole. The upper end of the push rod rests on the segmented cam, and the lower end is connected to a limiting plate. A limiting spring is sleeved on the push rod below the pressing seat, and both ends of the limiting spring are respectively connected to the pressing seat and the limiting plate.

[0008] Preferably, the left and right inner walls of the square enclosure are provided with limiting grooves, and the rack slides in cooperation with the limiting grooves.

[0009] Preferably, a limit rod is further provided in the square enclosure, and the limit rod is located above the cross bar and below the transmission gear.

[0010] Preferably, a buffer pad is provided on the lower surface of the limiting plate.

[0011] Preferably, a knife groove corresponding to the cutting knife is provided on the operating table.

[0012] Beneficial effects achieved by the utility model:

[0013] Compared with the prior art, the utility model provides a corrugated paper cutting device, which sets a segmented cam so that the curved segment and the arc segment of the segmented cam act on the push rod in sequence. The rotation of the segmented cam causes the push rod to move downward by a predetermined distance, thereby pressing the corrugated paperboard through the limit plate to avoid deviation. When the push rod acts on the connection between the curved segment and the arc segment, the limit plate at the lower end of the push rod just presses the corrugated paperboard. Therefore, when the cutter continues to move downward for shearing, it will not collapse due to excessive elastic force of the limit spring, thereby affecting the quality of the corrugated paperboard, thereby avoiding excessive compression. That is, when the push rod acts on the arc segment, the push rod will not move, so that the limit plate will not move either, thereby ensuring that collapse caused by excessive compression and affecting the quality of the corrugated paperboard is avoided on the basis of achieving compression. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a structural schematic diagram of a corrugated paper cutting device.

[0015] Figure 2 The utility model is a schematic diagram of a top view of the structure of a corrugated paper cutting device.

[0016] Figure 3It is a schematic diagram of the structure of the pressing mechanism of the utility model.

[0017] Figure 4 It is a schematic diagram of the structure of the segmented cam of the utility model. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present utility model are clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments.

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0020] See attached Figure 1-4 A corrugated paper cutting device comprises an operating table 1, a square enclosure 2 is fixedly connected to the upper surface of the operating table 1, an inlet and outlet 3 are arranged on the left and right side walls of the square enclosure 2, a shearing assembly is arranged in the vertical direction inside the square enclosure 2, linkage mechanisms are arranged on the left and right sides of the shearing assembly, a segmented cam 4 is arranged on the linkage mechanism, a pressing mechanism is arranged on the inner wall of the square enclosure 2, the pressing mechanism is located below the segmented cam 4, and the lower ends of the two linkage mechanisms are connected to the shearing assembly, the segmented cam 4 comprises a curved segment 41 and an arc segment 42, the curved segment 41 is a smooth curve with a gradually increasing radius, and the tail of the curved segment 41 is smoothly transitionally connected with the arc segment 42, the pressing mechanism drives the segmented cam 4 to rotate according to the shearing process of the shearing assembly, and the segmented cam 4 drives the pressing mechanism to move downward in advance When the distance is fixed, there is a stabilizing section. When shearing, the shearing component moves downward to drive the linkage mechanism to move, thereby driving the segmented cam 4 to rotate, and the upper end of the pressing mechanism acts on the segmented cam 4. When the pressing mechanism acts on the curved segment 41 and the segmented cam 4 continues to rotate, the pressing mechanism moves downward a predetermined distance to press the corrugated paper. When the pressing mechanism acts on the arc segment 42, even if the segmented cam 4 continues to rotate, the pressing mechanism will not move downward, thereby ensuring a stable pressure state. Therefore, under the premise of reaching a pressing state, excessive extrusion is avoided to cause the corrugated paper to collapse. It should be noted that when the pressing mechanism acts at the connection between the curved segment 41 and the arc segment 42, the lower end of the pressing mechanism just presses the corrugated paper. Therefore, when the shearing component continues to move downward for shearing, it will not cause collapse due to excessive spring force, thereby affecting the quality of the corrugated paper.

[0021] Specifically, the shearing assembly includes a top seat 5 fixed on the top of the square enclosure 2, a telescopic cylinder 6 is fixed to the lower surface of the top seat 5, a knife seat 7 is connected to the telescopic end of the telescopic cylinder, and a cutting knife 8 is connected to the knife seat 7.

[0022] Specifically, the linkage mechanism includes a connecting shaft 9 located on the left and right sides of the shearing assembly, and the two ends of the connecting shaft 9 are rotatably connected to the front and rear walls of the square enclosure 2. The segmented cam 4 is respectively fixed on the two ends of the connecting shaft 9. A transmission gear 10 is fixed to the middle of the connecting shaft 9, and also includes a rack 11 arranged in the vertical direction. The rack 11 is located on the side where the two transmission gears 10 are away from each other, and is meshed with the transmission gear 10 for transmission. The lower end of the rack 11 is connected to a cross bar 12, and the adjacent ends of the two cross bars 12 are commonly connected to the knife seat 7.

[0023] Specifically, the pressing mechanism includes a pressing seat 13, which is fixed on the front and rear inner walls of the square enclosure 2. The pressing seat 13 is provided with a sliding hole 14 in the vertical direction, and a push rod 15 is slidably connected to the sliding hole 14. The upper end of the push rod 15 abuts against the segmented cam 4, and the lower end is connected to a limiting plate 16. A limiting spring 17 is sleeved on the push rod 15 located below the pressing seat 13, and the two ends of the limiting spring 17 are respectively connected to the pressing seat 13 and the limiting plate 16, so that when the limiting plate 16 moves down to press the corrugated cardboard, the limiting spring 17 is in a stretched state, and the limiting spring 17 has a restoring force to avoid applying pressure to one side of the corrugated cardboard.

[0024] During the shearing process, the knife holder 7 and the cutter 8 are driven downward by the telescopic cylinder 6, and the knife holder 7 drives the cross bar 12 to move downward, so that the rack 11 moves downward, and then drives the transmission gear 10 to rotate, so that the segmented cam 4 on the connecting shaft 9 rotates synchronously. During the rotation of the segmented cam 4, the curved segment 41 and the arc segment 42 of the segmented cam 4 act on the push rod 15 in turn. The rotation of the segmented cam 4 causes the push rod 15 to move downward by a predetermined distance, so that the corrugated cardboard is pressed by the limit plate 16 to avoid To avoid deviation, when the push rod 15 acts on the connection between the curved segment 41 and the arc segment 42, the limit plate 16 at the lower end of the push rod 15 just presses the corrugated cardboard. Therefore, when the cutter 8 continues to move downward for shearing, the push rod 15 acts on the arc segment 42 and will not cause collapse due to excessive elastic force of the limit spring 17, thereby affecting the quality of the corrugated cardboard. That is, when the push rod 15 acts on the arc segment 42, the push rod 15 will not move, so that the limit plate 16 will not move either, thereby ensuring that collapse is avoided in a stable pressure state to affect the quality of the corrugated cardboard.

[0025] In order to reduce friction, the upper end of the push rod 15 is a spherical structure or connected with a ball, and the segmented cam 4 is provided with a rolling groove that cooperates with the spherical structure or the ball, thereby reducing friction and improving stability.

[0026] In order to achieve the limiting function and improve the meshing stability of the rack 11, the left and right inner walls of the square enclosure 2 are provided with limiting grooves 18, and the rack 11 slides in cooperation with the limiting grooves 18.

[0027] In order to achieve the limiting function, a limiting rod 19 is further provided in the square enclosure 2 , and the limiting rod 19 is located above the cross bar 12 and below the transmission gear 10 .

[0028] In order to further avoid excessive compression and collapse of the corrugated cardboard, a buffer pad 20 is provided on the lower surface of the limiting plate 16 .

[0029] The operating table 1 is provided with a knife groove corresponding to the cutting knife 8 to improve the shearing effect.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A corrugated paper cutting device, comprising an operating table (1), wherein a square enclosure plate (2) is fixedly connected to the upper surface of the operating table (1), characterized in that: The left and right side walls of the square enclosure (2) are both provided with an inlet and outlet (3), a shearing assembly is provided in the vertical direction inside the square enclosure (2), linkage mechanisms are provided on the left and right sides of the shearing assembly, a segmented cam (4) is provided on the linkage mechanism, a pressing mechanism is provided on the inner wall of the square enclosure (2), the pressing mechanism is located below the segmented cam (4), and the lower ends of the two linkage mechanisms that are close to each other are connected to the shearing assembly, the segmented cam (4) comprises a curved segment (41) and an arc segment (42), the curved segment (41) is a smooth curve with a gradually increasing radius, the tail of the curved segment (41) is smoothly transitionally connected to the arc segment (42), the pressing mechanism drives the segmented cam (4) to rotate according to the shearing process of the shearing assembly, and the segmented cam (4) has a pressure stabilizing section when the pressing mechanism is driven by the segmented cam (4) to move downward a predetermined distance.

2. A corrugated paper cutting device according to claim 1, characterized in that: The shearing assembly comprises a top seat (5) fixed on the top of the square enclosure (2), a telescopic cylinder (6) being fixed on the lower surface of the top seat (5), a knife seat (7) being connected to the telescopic end of the telescopic cylinder, and a cutting knife (8) being connected to the knife seat (7).

3. A corrugated paper cutting device according to claim 2, characterized in that: The linkage mechanism comprises a connecting shaft (9) located on the left and right sides of the shearing assembly, the two ends of the connecting shaft (9) are rotatably connected to the front and rear walls of the square enclosure (2), the segmented cam (4) is respectively fixed to the two ends of the connecting shaft (9), a transmission gear (10) is fixed to the middle of the connecting shaft (9), and also comprises a rack (11) arranged in the vertical direction, the rack (11) is located on the side away from the two transmission gears (10) and meshes with the transmission gear (10) for transmission, the lower end of the rack (11) is connected to a cross bar (12), and the adjacent ends of the two cross bars (12) are commonly connected to the knife seat (7).

4. The corrugated paper cutting device according to claim 1, characterized in that: The pressing mechanism comprises a pressing seat (13), the pressing seat (13) being fixed to the front and rear inner walls of the square enclosure (2), the pressing seat (13) being provided with a sliding hole (14) in the vertical direction, the sliding hole (14) being slidably connected to a push rod (15), the upper end of the push rod (15) being against the segmented cam (4), the lower end being connected to a limit plate (16), and a limit spring (17) being sleeved on the push rod (15) located below the pressing seat (13), the two ends of the limit spring (17) being respectively connected to the pressing seat (13) and the limit plate (16).

5. The corrugated paper cutting device according to claim 3, characterized in that: The left and right inner side walls of the square enclosure (2) are provided with limiting grooves (18), and the rack (11) slides in cooperation with the limiting grooves (18).

6. The corrugated paper cutting device according to claim 3, characterized in that: A limiting rod (19) is also provided in the square enclosure plate (2), and the limiting rod (19) is located above the crossbar (12) and below the transmission gear (10).

7. The corrugated paper cutting device according to claim 4, characterized in that: A buffer pad (20) is provided on the lower surface of the limiting plate (16).

8. The corrugated paper cutting device according to claim 2, characterized in that: The operating table (1) is provided with a knife groove corresponding to the cutting knife (8).

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