CN216543546U - Rotary cutter of transverse cutting machine - Google Patents

Abstract

The utility model discloses a rotary cutter of a transverse cutting machine, and belongs to the technical field of paper shearing equipment. The utility model provides a crosscut machine rotary-cutting sword, includes the base, still includes: the mounting plate arranged on the base is lifted through a lifting mechanism; the connecting shaft is rotatably connected to the mounting plate; the rotary drum is fixedly connected to the connecting shaft, an installation groove is formed in the rotary drum, a blade slides on the installation groove, and a connecting hole is formed in the blade; the bidirectional screw rod is rotationally connected to the roller; the bidirectional screw rod is in threaded connection with two symmetrical connecting blocks; according to the utility model, the two connecting blocks are moved simultaneously by rotating the two-way screw rod, and the blade is controlled to extend out of the roller or retract into the roller, so that the distance between the blade edge of the blade and the axis of the roller is adjusted, the circumferential distance between the blades is adjusted, the length of cut paper is adjusted, the blade does not need to be replaced, the adjusting time is saved, and the production efficiency is improved.

Description

A cross-cutting machine rotary cutter

technical field

The utility model relates to the technical field of paper cutting equipment, in particular to a rotary cutter of a cross-cutting machine.

Background technique

Corrugated paper cross-cutting machine, also called cross-cutting machine, belongs to carton processing machinery. The corrugated paper cross-cutting machine in the corrugated cardboard production line is a mechanical equipment for cutting the finished cardboard. Its technical performance and equipment adjustment directly affect whether the cutting size of the finished cardboard is accurate, whether the pressure line is broken, and whether the appearance of the incision is smooth and beautiful. .

A rotary cutter is installed on the unsealed cross-cutting machine, and the rotary cutter is used to cut and cut the paper, but the existing rotary cutter is generally fixed on the drum and cannot be adjusted, so when adjusting the length of the cut paper The blade needs to be replaced, which delays the production efficiency, so it is necessary to design a rotary cutter for a cross-cutting machine.

Utility model content

The purpose of the utility model is to solve the problem of inconvenient adjustment of the length of the cut paper in the prior art, and proposes a rotary cutter for a cross-cutting machine.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A rotary cutter for a cross-cutting machine, comprising a base, and further comprising: a mounting plate that is raised and lowered on the base through a lifting mechanism; a connecting shaft that is rotatably connected to the mounting plate; a roller that is fixedly connected to the connecting shaft , the drum is provided with an installation groove, a blade is slid on the installation groove, and a connection hole is opened on the blade; a two-way screw connected to the drum is rotated; the two-way screw is threadedly connected with two A symmetrical connecting block, the connecting block is connected with a connecting rod through an upper rotation, and one end of the connecting rod away from the connecting block is rotatably connected with the connecting hole.

In order to facilitate the lifting and lowering of the mounting plate, preferably, the lifting mechanism includes a one-way screw rod rotatably connected to the base, the mounting plate is provided with a threaded hole corresponding to the one-way screw rod, and the The bottom of the base is provided with an adjustment part.

In order to facilitate the rotation of the one-way screw, preferably, the adjusting portion includes a transmission shaft rotatably connected to the bottom of the base, and the transmission shaft is synchronously connected to the one-way screw through a first gear set.

In order to facilitate the rotation of the drum, preferably, a drive shaft is fixedly connected to the connecting shaft, a motor is fixedly connected to the side wall of the mounting plate, and the output shaft of the motor is synchronously connected to the drive shaft through a second gear set .

In order to prevent the second gear set from hurting the staff, preferably, a shield is fixedly connected to the side wall of the mounting plate, the motor and the second gear set are located inside the shield, and the bottom of the shield is provided with a shield. filter holes.

Preferably, the blades are provided with 1 to 4 groups, and multiple groups of the blades are evenly distributed on the drum in a circumferential manner.

Compared with the prior art, the utility model provides a rotary cutter of a cross-cutting machine, which has the following beneficial effects:

1. The rotary cutter of the cross-cutting machine can adjust the distance moved by the blade by changing the distance between the blade edge and the axis of the drum, thereby changing the length of the cut paper, so that there is no need to replace the blade, thereby avoiding delays. Process paper.

2. The rotary cutter of the cross-cutting machine cooperates with the adjustable blade by adjusting the distance between the drum and the conveyor belt of the external conveyor, so as to facilitate the cutting of different cardboards.

The parts not involved in the device are the same as the existing technology or can be realized by using the existing technology. The utility model uses the bidirectional screw rod to move the two connecting blocks at the same time, and controls the blade to extend to the outside of the drum or It retracts into the drum to adjust the distance between the blade edge and the axis of the drum, and then adjusts the perimeter distance between the blades, and adjusts the length of the cutting paper, so that there is no need to replace the blade, thereby saving adjustment time and improving production efficiency.

Description of drawings

Fig. 1 is the main sectional view of a kind of cross-cutting machine rotary cutter proposed by the utility model;

FIG. 2 is a schematic structural diagram of a rotary cutter drum of a cross-cutting machine proposed by the utility model.

In the figure: 100, base; 101, mounting plate; 102, connecting shaft; 200, roller; 201, mounting groove; 202, blade; 2021, connecting hole; 203, two-way screw; 204, connecting block; 205, connecting rod 300, transmission shaft; 301, one-way screw; 302, first gear group; 400, drive shaft; 401, motor; 402, second gear group; 500, shield; 501, filter hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation , are constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

Embodiment: Referring to FIGS. 1-2 , a rotary cutter of a cross-cutting machine includes a base 100, and also includes: a mounting plate 101 arranged on the base 100 by a lifting mechanism; a connecting shaft 102 connected to the mounting plate 101 in rotation The drum 200 fixedly connected to the connecting shaft 102, the drum 200 is provided with a mounting slot 201, the mounting slot 201 is slid with a blade 202, and the blade 202 is provided with a connecting hole 2021; ; The two-way screw 203 is threadedly connected with two symmetrical connecting blocks 204, the connecting blocks 204 are connected with a connecting rod 205 through the upper rotation, and the end of the connecting rod 205 away from the connecting block 204 is connected with the connecting hole 2021 in rotation.

Rotating the two-way screw 203, the two-way screw 203 moves the two connecting blocks 204 to the middle of the two-way screw 203 at the same time through two opposite threads, or moves the two connecting blocks 204 to the two ends of the two-way screw 203 at the same time, Then push or pull the connecting rod 205, so that the blade 202 slides to the outside of the drum 200 or the inside of the drum 200 at the same time, thereby changing the distance between the blade 202 and the axis of the drum 200, and then adjusting the distance that the knife edge moves by one rotation, thereby The length of the cut sheet is changed so that the blade 202 does not need to be replaced, thereby avoiding delay in processing the sheet.

1 , the lifting mechanism includes a one-way screw 301 rotatably connected to the base 100 , the mounting plate 101 is provided with a threaded hole corresponding to the one-way screw 301 , the bottom of the base 100 is provided with an adjusting portion, and the adjusting portion includes The transmission shaft 300 connected to the bottom of the base 100 is rotated, and the transmission shaft 300 is synchronously connected with the one-way screw 301 through the first gear set 302 .

Rotate the transmission shaft 300, the transmission shaft 300 rotates the one-way screw 301 through the first gear set 302, and the one-way screw 301 cooperates with the threaded holes on the mounting plate 101 to raise or lower the mounting plate 101, so that the device is located at the bottom The adjustable blade 202 is installed on the base 100 and the distance between the conveyor belts of the external conveyor is matched with the adjustable blade 202 to facilitate cutting cardboards of different thicknesses, thereby improving the practicability of the device.

1 , a drive shaft 400 is fixedly connected to the connecting shaft 102 , a motor 401 is fixedly connected to the side wall of the mounting plate 101 , and the output shaft of the motor 401 is synchronously connected to the drive shaft 400 through the second gear set 402 .

Start the motor 401, the motor 401 rotates the drive shaft 400 through the second gear set 402, the drive shaft 400 rotates the connecting shaft 102, and the connecting shaft 102 rotates the drum 200, thereby rotating the blade 202 to cut the paper and cardboard.

Referring to FIG. 1 , a shield 500 is fixedly connected to the side wall of the mounting plate 101 , the motor 401 and the second gear set 402 are located inside the shield 500 , and the bottom of the shield 500 is provided with a filter hole 501 .

The second gear set 402 is covered by the shield 500, so as to prevent the second gear set 402 from being rolled up on the clothes of the staff when it rotates, thereby avoiding accidents and improving the safety of the device.

Referring to FIG. 1 and FIG. 2 , the blades 202 are provided with 1 to 4 groups, and multiple groups of the blades 202 are evenly distributed on the drum 200 in a circle.

A corresponding number of blades 202 can be selected as required, so as to facilitate cutting out sheets with large length differences.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. a rotary cutter of a cross-cutting machine, comprising a base (100), characterized in that, also comprising: The mounting plate (101) arranged on the base (100) is lifted and lowered by a lifting mechanism; rotating the connecting shaft (102) connected to the mounting plate (101); A drum (200) fixedly connected to the connecting shaft (102), an installation groove (201) is formed on the drum (200), a blade (202) is slid on the installation groove (201), and the blade (202) is provided with a connecting hole (2021); rotating a bidirectional screw (203) connected to the drum (200); The two-way screw (203) is threadedly connected with two symmetrical connecting blocks (204), and the connecting blocks (204) are connected with a connecting rod (205) through upper rotation, and the connecting rod (205) is far away from the connecting block ( One end of 204) is rotatably connected to the connecting hole (2021). 2 . The rotary cutter of a cross-cutting machine according to claim 1 , wherein the lifting mechanism comprises a one-way screw ( 301 ) rotatably connected to the base ( 100 ), and the mounting plate (101) is provided with a threaded hole corresponding to the one-way screw (301), and the bottom of the base (100) is provided with an adjustment part. 3. The rotary cutter of a cross-cutting machine according to claim 2, characterized in that the adjustment part comprises a transmission shaft (300) rotatably connected to the bottom of the base (100), and the transmission shaft (300) ) is synchronously connected to the one-way screw (301) through the first gear set (302). 4 . The rotary cutter of a cross-cutting machine according to claim 1 , wherein a drive shaft ( 400 ) is fixedly connected to the connecting shaft ( 102 ), and a side wall of the mounting plate ( 101 ) is fixed. 5 . A motor (401) is connected, and the output shaft of the motor (401) is synchronously connected with the drive shaft (400) through a second gear set (402). 5 . The rotary cutter for a cross-cutting machine according to claim 4 , wherein a shield ( 500 ) is fixedly connected to the side wall of the mounting plate ( 101 ), and the motor ( 401 ) is connected to the The second gear set (402) is located inside the shield (500), and the bottom of the shield (500) is provided with a filter hole (501). 6. The rotary cutter of a cross-cutting machine according to claim 1, characterized in that, the blades (202) are provided with 1-4 groups, and multiple groups of the blades (202) are evenly distributed around the on the drum (200).

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