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CN-122008355-A - Honeycomb paperboard sandwich layer perforating device and perforating method thereof

CN122008355ACN 122008355 ACN122008355 ACN 122008355ACN-122008355-A

Abstract

The invention belongs to the technical field of honeycomb paperboard processing, and particularly relates to a honeycomb paperboard sandwich layer perforating device and a perforating method thereof, wherein the perforating device comprises a U-shaped frame, a perforating roller and a paper guide roller, wherein the perforating roller and the paper guide roller are rotatably arranged in the U-shaped frame, a plurality of evenly distributed steel needles are detachably arranged on the roller wall of the perforating roller, the paper guide roller is of a hollow structure, a plurality of evenly distributed pinholes are formed in the roller wall of the paper guide roller, and the perforating device further comprises: the open hole detection mechanism is arranged on the side wall of the U-shaped frame. According to the invention, through the cooperative cooperation of the perforation detection mechanism, the dust collection mechanism and the marking mechanism, the real-time detection of the perforation quality of the sandwich layer of the honeycomb paperboard, the synchronous cleaning of perforation scraps and impurities on the surface of the paperboard and the marking of perforation failure positions are realized, so that the perforation processing quality and detection efficiency are effectively improved, the breakage rate of steel needles and the occurrence rate of equipment faults are reduced, the problem positions can be rapidly positioned, and the manual invalid operation is reduced.

Inventors

  • WANG WENMING
  • REN BOTAO
  • DUAN JUNWEI

Assignees

  • 广州荷力胜蜂窝材料股份有限公司

Dates

Publication Date
20260512
Application Date
20260407

Claims (8)

  1. 1. The utility model provides a honeycomb cardboard intermediate layer trompil device, includes U-shaped frame (1) and rotate set up in inside perforating roller (2) and guide roll (3) of U-shaped frame (1), the roller wall of perforating roller (2) can dismantle and be equipped with a plurality of evenly distributed's steel needle (4), guide roll (3) are hollow structure, and guide roll (3) roller wall has seted up a plurality of evenly distributed's pinhole (5), its characterized in that still includes: The perforating detection mechanism (6) is arranged on the side wall of the U-shaped frame (1), the suction end of the perforating detection mechanism (6) extends to the inside of the paper guide roller (3) and is arranged corresponding to the position of the pinhole (5), and the perforating detection mechanism (6) judges whether the sandwich layer of the honeycomb paper board is perforated or not according to the suction strength; the dust collection mechanism (7) is arranged in the U-shaped frame (1), the dust collection mechanism (7) is positioned at two sides of a roller gap between the punching roller (2) and the paper guide roller (3), and the dust collection mechanism (7) is connected with the open hole detection mechanism (6) and is used for cleaning dust generated in the sandwich conveying process of the honeycomb paper board; The marking mechanism (8) is arranged on one side of the dust collection mechanism (7), and the marking mechanism (8) is used for marking the position of the non-perforated section of the honeycomb paperboard sandwich; The PLC (9) is fixedly arranged on the side wall of the U-shaped frame (1), and the open hole detection mechanism (6), the dust collection mechanism (7) and the marking mechanism (8) are electrically connected with the PLC (9).
  2. 2. The honeycomb paperboard sandwich layer perforating device according to claim 1, characterized in that a motor (10) is fixedly arranged on one side of the U-shaped frame (1), the output end of the motor (10) is fixedly connected with a rotating shaft on one side of the perforating roller (2), gears (11) are fixedly arranged on rotating shafts on the other sides of the perforating roller (2) and the paper guide roller (3), the two gears (11) are meshed, and the motor (10) is electrically connected with the PLC (9).
  3. 3. The honeycomb paperboard sandwich layer perforating device according to claim 1, characterized in that the positions of the steel needles (4) and the positions of the pinholes (5) are arranged in a one-to-one correspondence, and needle avoiding grooves (12) are formed in the positions of the roller walls of the paper guide roller (3) and the pinholes (5).
  4. 4. The honeycomb cardboard sandwich perforating device according to claim 2, characterized in that the perforating detection mechanism (6) comprises a dust collector (61) fixedly arranged on the side wall of the U-shaped frame (1), a first air suction pipe (62) is fixedly arranged at the input end of the dust collector (61), the rotating shaft of the paper guide roller (3) is of a hollow structure, a rotating pipe joint (63) is fixedly arranged at one end of the rotating shaft of the paper guide roller (3), one end of the first air suction pipe (62) is fixedly connected with the rotating pipe joint (63), a plurality of second air suction pipes (64) uniformly distributed are fixedly arranged around the rotating shaft of the paper guide roller (3), a third air suction pipe (65) is transversely fixedly arranged at one end of the second air suction pipe (64), a plurality of fourth air suction pipes (66) uniformly distributed are fixedly arranged at the pipe wall of the third air suction pipe, the positions of the fourth air suction pipes (66) are correspondingly arranged at the positions of the pinholes (5), and pressure detection tables (67) are fixedly arranged at the rotating shaft of the second air suction pipes (64).
  5. 5. The honeycomb paperboard sandwich layer perforating device according to claim 4, characterized in that the dust collection mechanism (7) comprises a first dust collection pipe (71) fixedly arranged on the first air suction pipe (62), two second dust collection pipes (72) are transversely and symmetrically and fixedly arranged in the U-shaped frame (1), one ends of the two second dust collection pipes (72) are fixedly connected with one end of the first dust collection pipe (71), and a plurality of uniformly distributed dust collection holes (73) are formed in the lower side of the pipe wall of the two second dust collection pipes (72).
  6. 6. The cellular board sandwich layer perforating device according to claim 5, characterized in that the marking mechanism (8) comprises a mounting plate (81) fixedly arranged on the second dust suction pipe (72), a liquid storage tank (82) is fixedly arranged on the upper surface of the mounting plate (81), a liquid discharge pipe (83) is fixedly arranged at the bottom of the liquid storage tank (82), and an electromagnetic switch valve (84) is fixedly arranged on the pipe wall of the liquid discharge pipe (83).
  7. 7. The honeycomb paperboard sandwich layer perforating device according to claim 1, characterized in that the tail part of the steel needle (4) is fixedly provided with a mounting sheet (13), and both sides of the mounting sheet (13) are provided with bolts (14) in threaded connection with the perforating roller (2).
  8. 8. A hole opening method applied to the honeycomb cardboard sandwich hole opening device according to claim 6, characterized in that the method comprises the steps of: S1, equipment debugging and feeding, wherein a worker checks the states of all parts of the perforating device, confirms that steel needles (4) on a perforating roller (2) correspond to positions of pinholes (5) and needle avoidance grooves (12) on a paper guide roller (3) one by one, and then places a honeycomb paper board sandwich into a nip between the perforating roller (2) and the paper guide roller (3) to finish positioning and feeding of a workpiece to be machined; S2, starting equipment and synchronously starting a negative pressure system, operating a PLC (programmable logic controller) 9 by a worker, sending a starting instruction to drive a motor (10) to operate, driving a punching roller (2) to rotate by the motor (10), enabling the punching roller (2) and a paper guide roller (3) to realize synchronous relative rotation through meshing of a gear (11), and then rolling and puncturing a honeycomb paper board sandwich in conveying through a steel needle (4) to finish perforating, and simultaneously synchronously starting a dust collector (61) by the PLC (9) to enable the inside of an air suction channel to form stable negative pressure; S3, detecting the quality of the holes in real time, wherein negative pressure generated by a dust collector (61) enables a pinhole (5) area of a paper guide roller (3) to form a negative pressure environment, a pressure detection meter (67) on a third air suction pipe (65) monitors the air pressure change in the pipe in real time and transmits data to a PLC (programmable logic controller) (9), the pressure value is reduced when the pinhole (5) is shielded by a honeycomb paper board sandwich, the air pressure value is greatly increased after the holes are punched, if the steel needle (4) is broken to cause partial holes to be not punched, the pressure value is obviously reduced, and the PLC (9) immediately triggers a built-in alarm module of the PLC (9) after receiving abnormal data; s4, punching failure position marking, namely synchronously sending a conduction instruction to an electromagnetic switch valve (84) of a marking mechanism (8) when a PLC (9) triggers an alarm, so that marking pigment in a liquid storage tank (82) is dripped near a region of a honeycomb paper board sandwich corresponding to punching failure through a liquid discharge pipe (83), a clear and striking mark is formed, and accurate marking of a problem position is completed; S5, synchronously collecting and cleaning impurities and fragments, wherein in the whole process of opening holes, a dust collection mechanism (7) carries out negative pressure adsorption cleaning on impurities such as dust, scum and the like on the surface of a honeycomb paper board sandwich through dust collection holes (73) of second dust collection pipes (72) on two sides, and simultaneously, fragments such as paper residues, fine fibers and the like generated by opening holes of a steel needle (4) are sucked in by negative pressure through pinholes (5) of a paper guide roller (3) and collected into a dust collection bin of a dust collector (61); S6, subsequent reworking, wherein a worker rapidly positions the punching failure position according to the pigment mark of the marking mechanism (8), and meanwhile, after the machine is stopped, the damaged and bent steel needle (4) is replaced and maintained, and in addition, reworking and hole repairing are carried out on the marked honeycomb cardboard sandwich non-perforated area.

Description

Honeycomb paperboard sandwich layer perforating device and perforating method thereof Technical Field The invention belongs to the technical field of honeycomb paperboard processing, and particularly relates to a honeycomb paperboard sandwich layer perforating device and a perforating method thereof. Background The honeycomb paperboard is widely applied to various fields such as packaging, logistics, building materials and the like by virtue of the characteristics of light weight, excellent compression resistance and excellent buffering performance, and is often required to be subjected to punching processing on a sandwich layer in order to meet the practical use requirements such as ventilation, weight reduction, threading and the like, and a rolling puncture type punching device is main flow equipment for punching the sandwich layer due to the fact that the rolling puncture type punching device can adapt to the continuous production rhythm of the honeycomb paperboard, and is mainly matched with a paper guide roller through a punching roller with a steel needle, and the punching operation of the sandwich layer is completed through the rolling puncture action of the steel needle, such as the honeycomb paperboard sandwich layer punching device disclosed in publication No. CN110788929A and a punching method thereof. However, when the steel needle of the existing roll-in piercing type perforating device pierces the honeycomb paperboard, on one hand, the steel needle needs to bear extrusion force of the sandwich layer honeycomb wall and piercing resistance of facial tissue, if the rigidity and hardness of the steel needle are insufficient, the steel needle is easy to bend and break under the continuous roll-in impact and irregular radial resistance, on the other hand, if the matching parameters of the perforating roller and the paper guide roller are improperly debugged or deviation exists in the design of the clearance structure of the paper guide roller, indirect contact or impact is easy to occur between the perforating roller and the paper guide roller in the piercing process of the steel needle, the collapse and the breakage of the steel needle are further aggravated, the broken steel needle cannot be identified and replaced in time, the perforating operation can be continuously participated, the problem of low effective through hole ratio of a product appears, and the basic functional requirement of the subsequent use on the opposite perforating can not be met. For this purpose, a honeycomb cardboard sandwich layer perforating device and a perforating method thereof are proposed. Disclosure of Invention The invention aims to solve the problems and provide a honeycomb paperboard sandwich layer perforating device and a perforating method thereof. In order to achieve the purpose, the honeycomb paperboard sandwich layer perforating device comprises a U-shaped frame, a perforating roller and a paper guide roller, wherein the perforating roller and the paper guide roller are rotatably arranged in the U-shaped frame, a plurality of evenly distributed steel needles are detachably arranged on the roller wall of the perforating roller, the paper guide roller is of a hollow structure, a plurality of evenly distributed pinholes are formed in the roller wall of the paper guide roller, and the honeycomb paperboard sandwich layer perforating device further comprises: The perforating detection mechanism is arranged on the side wall of the U-shaped frame, the suction end of the perforating detection mechanism extends to the inside of the paper guide roller and is arranged corresponding to the position of the pinhole, and the perforating detection mechanism judges whether the honeycomb paper board sandwich is perforated or not according to the suction strength; The dust collection mechanism is arranged in the U-shaped frame and is positioned at two sides of the nip of the punching roller and the paper guide roller, and the dust collection mechanism is connected with the open pore detection mechanism and is used for cleaning dust generated in the sandwich conveying process of the honeycomb paper board; the marking mechanism is arranged on one side of the dust collection mechanism and is used for marking the position of the non-perforated section of the honeycomb paper board sandwich; The PLC controller is fixedly arranged on the side wall of the U-shaped frame, and the open hole detection mechanism, the dust collection mechanism and the marking mechanism are electrically connected with the PLC controller. Preferably, a motor is fixedly arranged on one side of the U-shaped frame, the output end of the motor is fixedly connected with a rotary shaft on one side of the punching roller, gears are fixedly arranged on the rotary shafts on the other sides of the punching roller and the paper guide roller, the gears are meshed, and the motor is electrically connected with the PLC. Preferably, the positions of the steel needles and t