CN207698866U - A kind of cutting mechanism of winder - Google Patents

Abstract

The utility model discloses a cutting mechanism of a winding machine, which comprises a frame, an upper knife device and a lower knife device installed on the frame, and is characterized in that the upper knife device includes an upper swing arm, which is installed on The upper knife part on the upper swing arm and the power source one that drives the upper swing arm to swing; The knife seat is installed on the lower swing arm, the upper swing arm and the lower swing arm are hinged with the frame, and the upper knife part includes the upper knife seat with the upper cutter and the power source that drives the upper knife seat for cutting movement 3. In the pre-cutting working condition, the power source 1 and the power source 2 respectively drive the upper swing arm and the lower swing arm to swing to the pre-cutting station with their respective hinge points as the center. Power source three pushes the upper cutter to move down, and cooperates with the lower cutter to realize cutting. Compared with the prior art, the utility model has high cutting precision and high stability.

Description

Cutting mechanism of a winding machine

technical field

The utility model relates to an improved invention of a cutting mechanism, in particular to a cutting mechanism used in winding machines and rewinding machines.

Background technique

Supermarket cash register paper and label paper are mainly rewinded automatically through the winding machine. After the paper tube core on the rewinding shaft is completely rewound, the roll material is cut off by the cutting mechanism. The cutting mechanism is mainly composed of upper and lower knives. Traditionally, the upper and lower knives are in place in one step. That is, when cutting, the upper and lower knives move in opposite directions at the same time to achieve cutting. Due to the long stroke of the upper and lower knives, the controllability is poor. , the cutting accuracy is low, and the upper and lower knives have low coordination stability, which is prone to the problem of continuous cutting of coil materials.

Contents of the invention

In view of the technical problems existing in the background technology, the technical problem to be solved by the utility model is to provide a cutting mechanism of a winding machine with high cutting precision and high stability.

In order to solve the above-mentioned technical problems, the utility model is realized by adopting the following technical scheme: the cutting mechanism of this kind of winding machine includes a frame and an upper knife device and a lower knife device installed on the frame, and is characterized in that The upper knife device includes an upper swing arm, an upper knife part installed on the upper swing arm and a power source 1 that drives the upper swing arm to swing, and the lower knife device includes a lower swing arm and a lower knife seat on which the lower cutter is installed. And the second power source that drives the lower swing arm to swing, the lower knife seat is installed on the lower swing arm, the upper swing arm and the lower swing arm are hinged with the frame, and the upper knife part includes an upper knife with an upper cutter Seat and the power source three that drives the upper knife seat for cutting movement. In the pre-cutting condition, the power source 1 and the power source 2 respectively drive the upper swing arm and the lower swing arm to swing toward each other with their respective hinge points as the center to the pre-cut Cutting station, in the cutting working condition, the power source three pushes the upper cutter to move downward, and cooperates with the lower cutter to realize cutting.

The upper cutter includes blade one and blade two installed on the upper knife seat, and there is a space between the blade one and blade two for accommodating the lower cutter.

A composite component is installed on the upper swing arm, and the composite component includes a composite roller. When cutting, the composite roller cooperates with the winding shaft to make the roll material adhere to the paper tube core.

The composite component also includes a roller frame and a power source 4 that drives the roller frame up and down. The composite roller is installed on the roller frame. When cutting, the power source 4 pushes the roller frame and the composite roller to move downward. , and cooperate with the reel.

The upper swing arm is installed on the frame through the rotating shaft, and the upper swing arm swings around the rotating shaft.

The lower swing arm is installed on the frame through a swing shaft, and the lower swing arm swings around the swing shaft.

Tail material gluing parts are also installed on the lower knife seat, and the gluing parts include gluing rollers and gluing grooves.

The frame is also equipped with a tailing pressing part that composites the tail end with the roll paper on the paper tube core. The tailing pressing part includes a brush, a brush swing arm and a brush swing arm to rotate A power source that oscillates around the shaft.

A paper pressing part is also installed on the frame, and in the pre-cutting working condition, the paper pressing part presses down to make the roll material close to the lower cutter.

The paper pressing part includes a paper pressing roller, a paper pressing swing arm and a power source five that drives the paper pressing swing arm to swing up and down. One end of the paper pressing swing arm is hinged to the frame, and the paper pressing roller is installed on the the other end of the swing arm.

The cutting of the utility model is divided into two steps, the first step is pre-cutting, the upper cutting knife and the lower cutting knife are in the state of waiting for cutting, and the distance between the upper cutting knife and the lower cutting knife is very short at this time; When the roll is completed, the upper cutter moves down and cooperates with the lower cutter to realize cutting, and then resets quickly. Since the distance between the upper and lower cutters is close, the stroke is short, the cutting process is short and the speed is fast, so the cutting High precision and high stability; the upper cutter is composed of blade 1 and blade 2. When cutting, the lower cutter is inserted into the gap between blade 1 and blade 2 of the upper cutter to improve the cooperation between the upper and lower cutters. , to avoid the problem of continuous cutting of the coil material in the background technology. The utility model is equipped with a glue roller at the same time, and the tail end is in a curled state after the coil material is cut, that is, the tail end is rolled in the direction of the glue roller and contacts with the glue roller, so that gluing is realized.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic structural view of the knife-feeding device of the present invention.

Fig. 3 is a schematic structural view of the knife lowering device of the present invention.

Fig. 4 is a structural schematic diagram of the tailing pressing part of the utility model.

Detailed ways

Further describe working principle of the present utility model and related details thereof below in conjunction with accompanying drawing. Referring to the accompanying drawings, the cutting mechanism of this kind of winder includes a frame and an upper knife device 103 installed on the frame, a lower knife device 129 and a paper pressing member 105, and the upper knife device 103 includes an upper pendulum Arm 109, the upper knife part installed on the upper swing arm and the power source one 101 that drives the upper swing arm to swing, the upper swing arm is installed on the frame through the rotating shaft 127, and the upper swing arm 109 is centered on the rotating shaft Swing, the power source one 101 is a cylinder, the cylinder 101 is installed on the frame, and the piston rod of the cylinder is connected with the upper swing arm 109 . The lower knife device 129 includes a lower swing arm 116, a lower knife seat 117 equipped with a lower cutter and a power source two 108 that drives the lower swing arm to swing. The lower knife seat 117 is installed on the lower swing arm, and the lower swing arm swings Shaft 128 is installed on the frame, and described lower swing arm 116 swings with the swing shaft as the center, and described power source two 108 is a cylinder, and described cylinder is installed on the frame, and the piston rod of described cylinder is connected with lower swing arm. The upper knife part includes an upper knife seat 112 equipped with an upper cutter and a power source three 125 that drives the upper knife seat for cutting movement. The power source three 125 is a cylinder, and the cylinder is installed on the upper swing arm 109 On, the piston rod of the cylinder 125 is connected with the upper knife seat 112; the upper cutter includes a blade one 114 and a blade two 115 installed on the upper knife seat, and there is a gap between the blade one and the second blade for Accommodate the gap of the lower cutter 118; in the pre-cutting condition, the paper pressing part 105 is pressed down so that the roll material is close to the lower cutting knife 118; the paper pressing part includes a paper pressing roller 106, a paper pressing swing arm 104 and The power source five 102 that drives the paper-press swing arm to swing up and down, one end of the paper-press swing arm 104 is hinged to the frame, and the paper-press roller 106 is installed on the other end of the paper-press swing arm, and the paper-press roller 106 is set Between the pre-rolling station 56 and the winding station 57, the power source five 102 can also use a cylinder, that is, the cylinder 102 drives the swing arm of the paper platen to swing. During the pre-cutting working condition, the power source one 101 and the power source two 108 respectively drive the upper swing arm 109 and the lower swing arm 116 to swing to the pre-cutting station with the rotating shaft 127 and the swing shaft 128 as the center, and the power source five 102 drives the paper platen swing arm 104 to swing downward, and the paper platen roller 106 presses the coiled material so that the coiled material is close to the lower cutter 118, so as to facilitate the cutting of the subsequent coiled material. In the cutting condition, the power source three 125 promotes the upper cutter to move downward, so that the lower cutter 118 is inserted into the gap between the first blade 114 and the second blade 115, so as to cooperate to realize cutting.

Composite parts 113 are also installed on the upper swing arm 109, and the composite parts include a composite roller 111, a roll frame 110 and a power source four 126 that drives the roller frame up and down, and the power source four 126 is a cylinder, and the cylinder Installed on the upper swing arm, the piston rod of the cylinder 126 is connected with the roller frame 110, and the composite roller 111 is installed on the roller frame. When cutting, the power source 126 pushes the roller frame and the composite roller Moving downwards, the composite roller 111 cooperates with the winding shaft to make the glued roll material adhere to the paper tube core, so that the beginning of the roll material will not slip with the paper tube core, so that the winding work is smooth; The tail material gluing part 121 and the tail material pressing part 107 for compounding the tail end and the roll paper on the paper tube core are also installed on the lower knife seat 117. The gluing part includes a gluing roller 119 and a glue groove. 120, the glue groove is arranged on the lower knife seat 117, and the glue roller 119 is partially placed in the glue groove. When the coil material is cut, the tail end is in a curled state and curls toward the glue roller 119, so that The tail end is in contact with the gluing roller 119, so as to realize gluing; the tail material pressing part 107 includes a hairbrush 123, a hairbrush swing arm 122 and a power source that drives the hairbrush swing arm to swing around the axis of rotation. The power source is a cylinder, the brush is installed on the brush holder, the two ends of the brush holder are installed on the brush swing arm, and the brush swing arm is installed on the frame through the rotating shaft 124, so After the tail end is glued, the brush swing arm 122 swings downward, and the brush 123 presses down to smoothen and level the tail end, and make the tail end stick to the roll material on the paper tube core, and the paper tube core is closed. Coil material to prevent the coil material from unraveling.

When the rewinding shaft of the winder is rewinding at the rewinding station, the power source 101 and the power source 2 108 respectively drive the upper swing arm 109 and the lower swing arm 116 to swing to the pre-cutting station around the rotating shaft and the swinging shaft. At this time, the distance between the upper cutter and the lower cutter 118 is short, and the power source 5 102 drives the paper platen swing arm 104 to swing downward, so that the paper platen roller 106 presses down on the coiled material, so that the coiled material is close to the lower cutter 118. Cutting is ready; when the paper tube core is finished winding, the next winding shaft is ready for pre-rolling at the pre-rolling station 56, and the power source 3 105 pushes the upper cutter to move downward, so that the lower cutter 118 is inserted into the gap between the first blade 114 and the second blade 115, the upper cutter and the lower cutter cooperate to cut off the roll material, and the power source four 126 pushes the roller frame and the composite roller 111 to move downward, and the composite roller and the pre-rolling station Cooperate with the rewinding shaft of 56, glue the beginning end of the cut coil material to the paper tube core on the rewinding shaft of the pre-rolling station, and the rewinding shaft of the pre-rolling station enters the rewinding operation; The gluing roller 119 on the lower tool holder is curled in the direction so that the tail end is in contact with the gluing roller and glued, the cylinder drives the brush swing arm 122 to swing downwards, and the brush 123 presses down. The brush 123 smoothes the tail end and makes the tail end evenly adhere to the roll material on the paper tube core, so that the paper tube core is a closed roll material, preventing the roll material from scattering; after the cutting is completed, the power source Three drives the upper cutter to reset, the power source four drives the composite roller to reset, and the power source, power source one, power source two and power source five drive the brush swing arm, upper swing arm, lower swing arm and paper pressing pendulum respectively Arm reset.

Claims (10)

1. A cutting mechanism for a winder, comprising a frame and an upper knife device (103) and a lower knife device (129) mounted on the frame, characterized in that the upper knife device includes an upper swing arm (109), the upper knife part installed on the upper swing arm and the power source one (101) that drives the upper swing arm to swing, the lower knife device includes a lower swing arm (116), a lower knife seat with a lower cutter ( 117) and the second power source (108) that drives the lower swing arm to swing, the lower knife seat is installed on the lower swing arm, the upper swing arm and the lower swing arm are hinged with the frame, and the upper knife part includes an upper The upper knife seat (112) of the cutter and the power source three (125) that drive the upper knife seat to carry out the cutting movement. The respective hinge points swing toward each other to the pre-cutting station. In the cutting mode, the power source three pushes the upper cutter to move downward, and cooperates with the lower cutter to realize cutting. 2. The cutting mechanism of the winding machine according to claim 1, characterized in that the upper cutter includes a blade one (114) and a blade two (115) installed on the upper knife seat, and the blade one There is a gap for accommodating the lower cutter between the second blade and the second blade. 3. The cutting mechanism of the winding machine according to claim 1, characterized in that a composite component (113) is installed on the upper swing arm, and the composite component includes a composite roller (111), which is Under normal circumstances, the composite roller cooperates with the winding shaft to make the roll material adhere to the paper tube core. 4. The cutting mechanism of the winding machine according to claim 3, characterized in that the composite component also includes a roller frame (110) and a power source four (126) that drives the roller frame up and down, and the composite roller is installed On the roll frame, in the cutting working condition, the power source four pushes the roll frame and the compound roll to move downward, and cooperates with the winding shaft. 5. The cutting mechanism of the winding machine according to claim 1, characterized in that the upper swing arm is installed on the frame through a rotating shaft (127), and the upper swing arm swings around the rotating shaft. 6. The cutting mechanism of the winding machine according to claim 1, characterized in that the lower swing arm is installed on the frame through a swing shaft (128), and the lower swing arm swings around the swing shaft. 7. The cutting mechanism of the winder according to claim 1, characterized in that a tail material gluing part (121) is installed on the lower knife seat, and the gluing part includes a gluing roller (119 ) and glue tank (120). 8. The cutting mechanism of the winding machine according to claim 7, characterized in that the frame is also equipped with a tail material pressing part (107) that combines the tail end with the roll paper on the paper tube core, so that The tail material pressing part includes a brush (123), a brush swing arm (122) and a power source that drives the brush swing arm to swing around the rotating shaft (124). 9. The cutting mechanism of the winding machine according to claim 1, characterized in that a paper pressing part (105) is installed on the frame, and the paper pressing part presses down in the pre-cutting condition. , so that the coil material is close to the lower cutter. 10. The cutting mechanism of the winding machine according to claim 9, characterized in that the paper pressing part includes a paper pressing roller (106), a paper pressing swing arm (104) and a mechanism that drives the paper pressing swing arm to swing up and down. Power source five (102), one end of the paper-pressing swing arm is hinged to the frame, and the paper-pressing roller is installed at the other end of the paper-pressing swing arm.