CN-114030919-B - Paper feeding knife device

CN114030919BCN 114030919 BCN114030919 BCN 114030919BCN-114030919-B

Abstract

The invention discloses a paper feeding cutter device which comprises a frame body, a driving device, a pressing assembly, a transmission assembly and a paper separating wheel, wherein the driving device, the pressing assembly, the transmission assembly and the paper separating wheel are arranged on the frame body, the pressing assembly is used for elastically pressing paper, the paper separating wheel is arranged adjacent to the pressing assembly, the paper separating wheel is rotatably arranged on the frame body, and the paper separating wheel is further arranged at the output end of the driving device through the transmission assembly, so that the paper separating wheel rotates under the driving of the driving device, and the paper separating wheel can rub overlapped paper and enables the paper to pass through singly through the rotation of the paper separating wheel. The paper feeding knife device can effectively separate paper and avoid tissue paper stacking, and has the advantage of simple structure.

Inventors

WEI YINGKANG
WEI YINGZHEN
CHEN QIJIN

Assignees

东莞科祺自动化设备有限公司

Dates

Publication Date: 20260508
Application Date: 20211217

Claims (6)

1. The paper feeding cutter device is characterized by comprising a frame body, a driving device, a pressing assembly, a transmission assembly, a paper separating wheel and a baffle plate, wherein the driving device, the pressing assembly, the transmission assembly, the paper separating wheel and the baffle plate are arranged on the frame body, the pressing assembly is used for elastically pressing paper, the paper separating wheel is arranged adjacent to the pressing assembly, the paper separating wheel is rotatably arranged on the frame body, the paper separating wheel is further arranged at the output end of the driving device through the transmission component, so that the paper separating wheel rotates under the driving of the driving device, and the paper separating wheel can separate overlapped paper and enable the paper to pass through singly by virtue of the rotation of the paper separating wheel; the paper separating wheel is driven by the driving device to rotate, the output end of the driving assembly is provided with a first driving part, the paper separating wheel extends towards the first driving part and is provided with a second driving part, the paper separating wheel and the second driving part are coaxially arranged, the first driving part and the second driving part are mutually matched to drive, the first driving part operates under the driving of the driving assembly and drives the second driving part to operate, the driving assembly also comprises a driving wheel, a driven wheel and a driving part, the driven wheel is arranged adjacent to the paper separating wheel, the first driving part and the driven wheel are coaxially arranged, the driving part is arranged between the driving wheel and the driven wheel, the driving wheel is arranged at the output end of the driving device, the driving wheel rotates under the driving of the driving device and is linked with the driven wheel to rotate through the driving part, the driving part is arranged along the height direction of the frame body, the frame body is provided with a hollow cavity, the driving assembly is arranged in the cavity, the paper separating device comprises a frame body, a transmission part, a baffle plate, a transmission assembly and a paper separating wheel, wherein the transmission part is arranged on the outer side of the frame body, the transmission part is communicated with the cavity, the transmission part can be contacted with stacked paper through the long hole, the paper is driven to be close to the bottom of the frame body by the transmission of the transmission part, the baffle plate is arranged at the long hole of the frame body, and the baffle plate is used for shielding a gap between the transmission assembly and the paper separating wheel.
2. The paper feeding device as claimed in claim 1, wherein the first transmission member and the second transmission member are gears, the first transmission member and the second transmission member are engaged with each other, and the first transmission member rotates under the transmission of the transmission assembly and drives the second transmission member to rotate.
3. The paper feeding knife device as claimed in claim 1, wherein the transmission assembly further includes a guide wheel and a limit wheel, the guide wheel and the limit wheel are rotatably mounted on the frame, the guide wheel is disposed between the driving wheel and the driven wheel, and the limit wheel is disposed on one side of the driven wheel.
4. The paper feeding knife device as claimed in claim 1, wherein the bottom of the frame body has a through hole communicating with the cavity, the paper separating wheel is rotatably installed in the cavity, and one side of the paper separating wheel protrudes out of the cavity through the through hole.
5. The paper feeding device as claimed in claim 1, wherein the blocking piece is a sheet structure extending inward from the outer side of the frame body and being inclined.
6. The paper feeding knife device as claimed in claim 1, wherein the pressing assembly comprises a fixing frame, a lifting frame, a pressure adjusting assembly, an elastic piece and a pressing wheel assembly, the fixing frame is slidably arranged on the fixing frame through a guide rod, the elastic piece is sleeved outside the guide rod and is elastically arranged between the fixing frame and the lifting frame, the pressure adjusting assembly is used for limiting the maximum sliding travel of the lifting frame relative to the fixing frame so as to adjust the pressure, and the pressing wheel assembly is arranged at the bottom of the lifting frame.

Description

Paper feeding knife device Technical Field The invention relates to the field of packaging box production and printing, in particular to a paper feeding knife device. Background In the field of paper printing, an automatic paper feeding device is often used for conveying paper, and particularly a paper feeding cutter device is used, and the paper feeding cutter device can only feed one piece of paper to be transported forward, so that the purpose of separating the paper is achieved. The prior art paper feeding device is shown in fig. 1, and comprises a paper feeding knife adjusting screw 10, a paper feeding knife fixing screw 20, a transverse adjusting rod 30, a pressing wheel pressure adjusting screw 40, a spring 50, a pressing wheel 60 and a paper feeding knife 70, wherein the paper feeding knife device is integrally and horizontally moved through the transverse adjusting rod 30, in order to adapt to different paper thicknesses, the height of the paper feeding knife 70 can be lifted through the paper feeding knife adjusting screw 10, and the distance between the lowest end of the paper feeding knife 70 and an externally conveyed paper feeding belt is adjusted to ensure that only one piece of paper can smoothly pass at a time, so that the purpose of separating paper is achieved. Meanwhile, the height of the paper knife 7 can be fixed through the paper knife fixing screw 2, the height of the pressing wheel 60 can be adjusted through the pressing wheel pressure adjusting screw 40, so that proper pressure can be adjusted according to actual conditions, stable paper conveying is ensured, and the pressing wheel 60 can be always meshed with a paper feeding belt or paper through the spring 50. Although the conventional paper feeding device has no great problem for corrugated boxes and boxes above 200g, double sheets, namely two or more sheets at a time and being irregular and uncontrollable, often appear for thin paper sheets smaller than 200g, particularly irregularly stacked paper sheets, and therefore the conventional production requirements cannot be met. In order to solve the above-described problems, it is necessary to provide a paper feeding cutter apparatus. Disclosure of Invention The invention aims to provide a paper feeding knife device capable of effectively separating paper and avoiding multi-sheet feeding of thin paper, which has the advantage of simple structure. In order to achieve the above purpose, the paper feeding knife device provided by the invention comprises a frame body, a driving device, a pressing assembly, a transmission assembly and a paper separating wheel, wherein the driving device, the pressing assembly, the transmission assembly and the paper separating wheel are arranged on the frame body, the pressing assembly is used for elastically pressing paper, the paper separating wheel is arranged adjacent to the pressing assembly, the paper separating wheel is rotatably arranged on the frame body, and the paper separating wheel is further arranged at the output end of the driving device through the transmission assembly, so that the paper separating wheel rotates under the driving of the driving device, and the paper separating wheel can rub overlapped paper and enables the paper to pass through singly through the rotation of the paper separating wheel. Preferably, the output end of the transmission assembly is provided with a first transmission part, the paper separating wheel extends towards the first transmission part and is provided with a second transmission part, the paper separating wheel and the second transmission part are coaxially arranged, the first transmission part and the second transmission part are mutually matched for transmission, and the first transmission part runs under the transmission of the transmission assembly and drives the second transmission part to run. Specifically, the first transmission piece and the second transmission piece are gears, the first transmission piece is meshed with the second transmission piece, and the first transmission piece rotates under the transmission of the transmission assembly and drives the second transmission piece to rotate. Specifically, the transmission assembly further comprises a driving wheel, a driven wheel and a transmission piece, the driven wheel is arranged adjacent to the paper separating wheel, the first transmission piece is coaxially arranged with the driven wheel, the transmission piece is arranged between the driving wheel and the driven wheel, the driving wheel is installed at the output end of the driving device, and the driving wheel rotates under the driving of the driving device and is linked with the driven wheel to rotate through the transmission piece. Specifically, the transmission assembly further comprises a guide wheel and a limiting wheel, wherein the guide wheel and the limiting wheel are rotatably arranged on the frame body, the guide wheel is arranged between the driving wheel and the driven wh