CN-224210015-U - Anti-hemming paper cutting device

CN224210015UCN 224210015 UCN224210015 UCN 224210015UCN-224210015-U

Abstract

The utility model discloses an anti-curling paper cutting device which comprises a portal frame, wherein a curling component is arranged on the inner side of the portal frame and comprises a guide rail frame, the inner wall of the guide rail frame is rotationally connected with a positive and negative screw rod, the outer wall of the center of the positive and negative screw rod is fixedly sleeved with a knob, the outer surface of the positive and negative screw rod is symmetrically and spirally connected with a locking rod, a T-shaped frame is arranged on one side of the locking rod, supporting rods are fixedly arranged on the outer surfaces of the two sides of the T-shaped frame, an installation frame is arranged on one side of the supporting rods, a smoothing roller is rotationally connected with the inner side surface of the installation frame, and through the arranged curling component, the curling component moves downwards when cutting, so that the smoothing roller slides on the outer surface of paper and drives the installation frame to rotate on the two sides of the T-shaped frame.

Inventors

LI HAINING
ZHANG JING
ZHANG CHAOJIE
LI HAIYUAN
JIAO WEIFENG
ZHANG BO
JIAO JIAN
PANG GUOJUN

Assignees

迁安市龙德纸制品制造有限公司

Dates

Publication Date: 20260508
Application Date: 20250604

Claims (5)

1. The anti-hemming paper cutting device comprises a portal frame (1) and is characterized in that a hemming component (2) is arranged on the inner side of the portal frame (1), and a cutting component (3) is arranged on one side of the hemming component (2); The hemming assembly (2) comprises a guide rail frame (21), a positive and negative screw rod (22) is rotationally connected to the inner wall of the guide rail frame (21), a knob (23) is fixedly sleeved on the outer wall of the center of the positive and negative screw rod (22), a locking rod (24) is symmetrically and threadedly connected to the outer surface of the positive and negative screw rod (22), a T-shaped frame (25) is arranged on one side of the locking rod (24), supporting rods (28) are fixedly arranged on the outer surfaces of two sides of the T-shaped frame (25), a mounting frame (26) is arranged on one side of the supporting rods (28), and a smoothing roller (27) is rotationally connected to the inner side surface of the mounting frame (26).
2. The anti-hemming paper cutting apparatus according to claim 1, wherein the mounting frame (26) is rotatably connected to both side outer surfaces of the T-shaped frame (25), one end of the T-shaped frame (25) is attached to one side outer surface of the mounting frame (26), and the locking lever (24) slides on the inner side surface of the guide rail frame (21).
3. The anti-hemming paper cutting device according to claim 1, wherein the cutting assembly (3) comprises a motor (31), a rotating shaft (32) is fixedly installed on the outer surface of the output end of the motor (31), an inner shaft (33) is fixedly installed on the outer surface of the rotating shaft (32), an annular shaft (34) is rotatably connected to the outer surface of the inner shaft (33), a cam (35) is fixedly sleeved on the outer surface of the annular shaft (34), a U-shaped seat (36) is rotatably connected to the outer wall of the lower end of the cam (35), a cutter holder (37) is fixedly installed on the outer surface of the lower side of the U-shaped seat (36), a cutter blade (38) is fixedly installed on the outer surface of the lower side of the cutter holder (37), a limiting rod (39) is fixedly installed on the outer surface of the upper side of the cutter holder (37), a limiting sleeve (311) is slidably installed on the outer surface of the limiting rod (39), the outer surface of the motor (31) is fixedly installed on the outer surface of one side of the gantry (1), the rotating shaft (32) is rotatably connected to the inner wall of the gantry (1), a guide rail holder (21) is fixedly installed on one side of the cutter holder (37), and the inner surface of the cutter holder (37) is fixedly installed on the inner surface of the inner side of the cutter holder (25).
4. The anti-hemming paper cutting device according to claim 1, wherein the mounting frame (26) is inclined, and an included angle between the mounting frame (26) and the support bar (28) is an obtuse angle.
5. A hemming-preventing paper cutting apparatus according to claim 3, wherein the distance of the up-and-down reciprocation of the cutter holder (37) is equal to the height of the stopper rod (39).

Description

Anti-hemming paper cutting device Technical Field The utility model relates to the technical field of cutting devices, in particular to an anti-curling paper cutting device. Background In the paper processing field, cutting is an extremely critical process, most of the existing cutting devices are composed of a cutting mechanism, a tension mechanism, a paper roll driving mechanism and the like, when the paper roll cutting device is used, the paper roll is fixedly installed on the paper roll driving mechanism, and then paper reaches the cutting mechanism to cut after passing through the tension mechanism, but when the paper is cut, the paper cutting device always faces the trouble of curling problem, the edge of the paper is extremely easy to curl inwards or outwards due to uneven friction force between a cutting edge and the paper and uneven stress distribution of the paper, the curling problem seriously affects the appearance flatness of the paper, so that the paper looks uneven and wrinkled bara, the visual aesthetic feeling and the overall grade of the paper as a finished product are reduced, and in order to solve the defects in the prior art, the paper cutting device for preventing curling is provided. Disclosure of utility model In order to overcome the defects in the prior art, the utility model provides an anti-curling paper cutting device, which solves the problems that the edge of paper is easily curled inwards or outwards due to uneven friction force between a blade and the paper and uneven stress distribution of the paper at the moment when the paper is cut by a cutter, the curling problem seriously affects the appearance flatness of the paper, so that the paper looks uneven and wrinkled barbus, and the visual aesthetic feeling and the overall grade of the paper as a finished product are reduced. In order to solve the technical problems, the utility model provides the technical scheme that the anti-hemming paper cutting device comprises a portal frame, wherein a hemming component is arranged on the inner side of the portal frame, and a cutting component is arranged on one side of the hemming component; The hemming assembly comprises a guide rail frame, the inner wall of the guide rail frame is rotationally connected with a positive and negative screw rod, a knob is fixedly sleeved on the outer wall of the center of the positive and negative screw rod, a locking rod is symmetrically and in threaded connection with the outer surface of the positive and negative screw rod, a T-shaped frame is arranged on one side of the locking rod, supporting rods are fixedly arranged on the outer surfaces of two sides of the T-shaped frame, an installation frame is arranged on one side of the supporting rods, and a smoothing roller is rotationally connected with the inner side surface of the installation frame. The mounting frame is rotationally connected to the outer surfaces of the two sides of the T-shaped frame, one end of the T-shaped frame is attached to the outer surface of one side of the mounting frame, and the locking rod slides on the inner side surface of the guide rail frame. The cutting assembly comprises a motor, a rotating shaft is fixedly arranged on the outer surface of the output end of the motor, an inner shaft is fixedly arranged on the outer wall of the rotating shaft, an annular shaft is rotatably connected to the outer surface of the inner shaft, a cam is sleeved on the outer surface of the annular shaft, a U-shaped seat is rotatably connected to the outer wall of the lower end of the cam, a cutter rest is fixedly arranged on the outer surface of the lower side of the U-shaped seat, a cutting knife is fixedly arranged on the outer surface of the lower side of the cutter rest, a limiting rod is fixedly arranged on the outer surface of the upper side of the cutter rest, a limiting sleeve is slidably arranged on the outer surface of the limiting rod, the motor is fixed on the outer surface of one side of the portal frame, the rotating shaft is rotatably connected to the inner wall of the portal frame, the guide rail frame is fixedly arranged on the outer surface of one side of the cutter rest, and the T-shaped frame and the locking rod slide on the inner wall of the cutter rest, and the limiting sleeve is fixedly arranged on the inner surface of the portal frame. Wherein, the mounting bracket slope sets up, just contained angle between mounting bracket and the bracing piece is the obtuse angle. Wherein, the up-and-down reciprocating motion distance of the tool rest is equal to the height of the limiting rod. Compared with the prior art, the utility model has the beneficial effects that: According to the utility model, the hemming assembly comprises the guide rail frame, the T-shaped frame is slidably arranged on one side inner wall of the tool rest, then the knob is rotated to drive the positive and negative screw rod to rotate, the positive and negative screw rod rotates to drive the locking