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CN-117183012-B - Slitting mechanism with heating function

CN117183012BCN 117183012 BCN117183012 BCN 117183012BCN-117183012-B

Abstract

The invention discloses a slitting mechanism with a heating function, which comprises a frame, a knife rest, an upper heating roller, a lower heating roller, a material guide channel, an upper guide through hole, a lower guide through hole and a knife rest, wherein the knife rest is arranged on the frame through a lifting mechanism, the upper heating roller and the lower heating roller are transversely and rotatably arranged on the frame, the upper heating roller is positioned above the lower heating roller, the material guide channel is formed between the lower heating roller and the upper heating roller, the upper heating roller is radially provided with the upper guide through hole, the lower heating roller is radially provided with the lower guide through hole, when the upper guide through hole is perpendicular to the material guide channel, the lower guide through hole is perpendicular to the material guide channel, and the knife rest can move in the lower guide through hole or the upper guide through hole.

Inventors

  • LI RUIJIE
  • Jia Shouyuan

Assignees

  • 马鞍山市思迪包装材料科技有限公司

Dates

Publication Date
20260508
Application Date
20230905

Claims (7)

  1. 1. The slitting mechanism with the heating function comprises a frame (1) and a knife rest (2), wherein the knife rest (2) is arranged on the frame (1) through a lifting mechanism (3), and is characterized by further comprising an upper heating roller (4) and a lower heating roller (5), wherein the upper heating roller (4) and the lower heating roller (5) are transversely and rotatably arranged on the frame (1), the upper heating roller (4) is positioned above the lower heating roller (5), and a material guide channel is formed between the lower heating roller (5) and the upper heating roller (4); the upper heating roller (4) is provided with an upper guide through hole (40) along the radial direction of the upper heating roller, and the lower heating roller (5) is provided with a lower guide through hole (50) along the radial direction of the lower heating roller, wherein when the upper guide through hole (40) is vertical to the guide channel, the lower guide through hole (50) is vertical to the guide channel; The tool holder (2) can move in the lower guide through hole (50) or the upper guide through hole (40); the height of the material guiding channel is maximum when the upper guiding through hole (40) is opposite to the lower guiding through hole (50); The upper heating roller (4) and/or the lower heating roller (5) are/is provided with a heating cavity, heated gas is arranged in the heating cavity, and the inner side wall of the upper guide through hole (40) and/or the lower guide through hole (50) is/are provided with an air guide hole communicated with the heating cavity; if the cutter rest (2) moves in the lower guide through hole (50) to cut materials, the air guide holes of the upper guide through hole (40) discharge air; when the cutter rest (2) moves in the upper guide through hole (40), the air guide holes of the lower guide through hole (50) discharge air.
  2. 2. The slitting mechanism with heating function according to claim 1, further comprising a driving mechanism (6), wherein the driving mechanism (6) drives the lower heating roller (5) and the upper heating roller (4) to rotate at the same speed and in opposite directions.
  3. 3. The slitting machine with heating function according to claim 1, further comprising a guiding roller (7), the guiding roller (7) being rotatably mounted on the frame (1), and the guiding roller (7) being adapted to guide the material passing the upper heating roller (4) and the lower heating roller (5).
  4. 4. A slitting mechanism with a heating function according to claim 3, characterized in that the outer diameter of the guide roller (7) is larger than the outer diameters of the upper heating roller (4) and the lower heating roller (5), and the axis of the guide roller (7) is located between the upper heating roller (4) axis and the lower heating roller (5) axis in the vertical direction.
  5. 5. The slitting mechanism with heating function according to claim 4, wherein the guide roller (7) is provided with a negative pressure cavity (70), an adsorption hole (71) communicated with the negative pressure cavity (70) is formed in the outer side wall of the guide roller (7), the negative pressure cavity (70) is communicated with an exhaust fan (8) through a pipeline, a discharge end of the exhaust fan (8) is connected with an air dryer (9) through a pipeline, a discharge end of the air dryer (9) is connected with a gas heater (10), and a discharge end of the gas heater (10) is communicated with the heating cavity through a pipeline.
  6. 6. Slitting mechanism with heating function according to claim 1, characterized in that the lifting mechanism (3) drives the knife holder (2) to move in the lower guide through hole (50) or the upper guide through hole (40) when the lower heating roller (5) and the upper heating roller (4) stop rotating.
  7. 7. The slitting mechanism with a heating function according to claim 1, wherein the upper heating roller (4) and the lower heating roller (5) have a higher temperature than the rotating upper heating roller (4), the lower heating roller (5) when the blade holder (2) moves in the upper guide through hole (40) or the lower guide through hole (50).

Description

Slitting mechanism with heating function Technical Field The invention relates to the technical field of coiled material slitting equipment, in particular to a slitting mechanism with a heating function. Background The gas-phase rust-proof paper is a special rust-proof packaging material which is prepared by using special neutral paper as a base material, coating special substances with different compositions, namely, gas-phase corrosion inhibitors (VCI), and processing after a series of steps. After the gas-phase rust-proof paper is processed, the gas-phase rust-proof paper is often placed in a large coil stock, and is coiled according to the needs before being sold. And the gas-phase rust-proof paper is coiled on the slitter as the conventional coiled material slitting process, one end of the gas-phase rust-proof paper is fixed on the slitting roller, then the driving piece drives the slitting roller to rotate so that coiled materials are wound on the slitting roller, and after the materials on the slitting roller are wound for a certain length, the materials are cut off through the slitting mechanism on the slitter. The existing slitting mechanism comprises a lifting mechanism, a knife rest and a slitting knife, wherein the slitting knife is arranged on the knife rest, and the lifting mechanism drives the knife rest to lift so as to cut off materials. The gas phase rust preventive paper formed by coating has a rust preventive layer, so that the gas phase rust preventive paper needs to be stored in a dry environment and wound up during storage is also kept in a dry state as much as possible. Therefore, the invention provides a slitting mechanism with a heating function. Disclosure of Invention In order to solve the technical problems in the background art, the invention provides a slitting mechanism with a heating function. The invention provides a slitting mechanism with a heating function, which comprises a frame, a knife rest, an upper heating roller and a lower heating roller, the upper heating roller and the lower heating roller are transversely and rotatably arranged on the frame, the upper heating roller is positioned above the lower heating roller, and a material guide channel is formed between the lower heating roller and the upper heating roller; the upper heating roller is provided with an upper guide through hole along the radial direction of the upper heating roller, and the lower heating roller is provided with a lower guide through hole along the radial direction of the lower heating roller; the knife holder can move in the lower guide through hole or the upper guide through hole, and the person skilled in the art will understand that when the knife holder is positioned above the upper heating roller, the knife holder moves in the upper guide through hole to cut materials, and when the knife holder is positioned below the lower heating roller, the knife holder moves in the lower guide through hole. Preferably, the height of the guide passage is maximized when the upper guide through hole is opposite to the lower guide through hole. Preferably, the device further comprises a driving mechanism, wherein the driving mechanism drives the lower heating roller and the upper heating roller to rotate at the same speed and in opposite directions. Preferably, the upper heating roller and/or the lower heating roller are/is provided with a heating cavity, heated gas is arranged in the heating cavity, and the inner side wall of the upper guide through hole and/or the inner side wall of the lower guide through hole is provided with an air guide hole communicated with the heating cavity. Preferably, if the cutter frame moves the blank in the lower guide through hole, the air guide hole of the upper guide through hole discharges air; When the cutter rest moves the blank in the upper guide through hole, the air guide holes of the lower guide through hole discharge air. Preferably, the device further comprises a guide roller rotatably mounted on the frame, and the guide roller is used for guiding the materials passing through the upper heating roller and the lower heating roller. Preferably, the outer diameter of the guide roller is larger than the outer diameters of the upper heating roller and the lower heating roller, and the axis of the guide roller is located between the upper heating roller axis and the lower heating roller axis in the vertical direction. Preferably, the guide roller is provided with a negative pressure cavity, an adsorption hole communicated with the negative pressure cavity is formed in the outer side wall of the guide roller, the negative pressure cavity is communicated with an exhaust fan through a pipeline, the discharge end of the exhaust fan is connected with an air dryer through a pipeline, the discharge end of the air dryer is connected with a gas heater, and the discharge end of the gas heater is communicated with the heating cavity through a pipeline. Preferably, when the low