CN219255796U

CN219255796U - Perforating device for packaging corrugated paper

Info

Publication number: CN219255796U
Application number: CN202320204482.7U
Authority: CN
Inventors: 蔡毅
Original assignee: Jinjia Packaging Co ltd
Current assignee: Jinjia Packaging Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-06-27
Anticipated expiration: 2033-02-08

Abstract

The utility model provides a punching device for packaging corrugated paper, which comprises: frame, knife roll, compression roller, division board and drive arrangement, knife roll and the equal parallel rotation of compression roller set up in the frame, the knife roll inboard is equipped with the cylinder cavity along the axial, the division board embedding is in the inboard cylinder cavity of knife roll and with the cylinder cavity along radial isolation two airtight cavitys, the division board is sealed with knife roll inboard surface moves, the division board is fixed relative to the frame, division board surface set up respectively with the first opening and the second opening of two independent cavity intercommunication, first opening and second opening communicate with positive pressure air supply and negative pressure air supply respectively, the airtight cavity that communicates with the negative pressure air supply is close to the compression roller setting, knife roll surface is equipped with at least one annular die-cut sword, annular die-cut sword's bottom and the inboard cylinder cavity intercommunication of knife roll, drive arrangement drives knife roll and compression roller reverse rotation simultaneously. The utility model can realize the separation and concentration of waste paper after corrugated paper punching.

Description

Perforating device for packaging corrugated paper

Technical Field

The utility model relates to the technical field of packaging processing equipment, in particular to a punching device for packaging corrugated paper.

Background

The corrugated paper packaging box has wide application scenes, has good processability and structural stability, is easy to print and process, and then needs to be subjected to working treatment in the processing process.

The existing punching process mainly comprises punching and die cutting and punching, wherein punching equipment is adopted in the punching and punching process to punch one or more layers of corrugated paper, feeding, positioning, punching and discharging are included in the punching process, efficiency is low, a cutter roller can be adopted in the die cutting and punching process to roll, die cutting and punching are carried out on the corrugated paper, but cutters on the die cutting roller synchronously output punching fragments after die cutting is completed, corrugated paper packages and the punching fragments are required to be separated in the later period, efficiency is also affected, and the problem of how to perform fixed-point emission and collection on the punching fragments at the same time of die cutting is currently to be solved urgently.

Disclosure of Invention

In view of the above, the utility model provides a punching device for packaging corrugated paper, which aims to solve the problems that the existing packaging corrugated paper is low in punching efficiency, and punching fragments are mixed with the packaging corrugated paper and are not easy to separate.

The technical scheme of the utility model is realized as follows: the utility model provides a perforating device for packaging corrugated paper, which comprises: the device comprises a frame, a knife roll, a compression roller, a separation plate and a driving device, wherein the knife roll and the compression roller are arranged on the frame in parallel in a rotating mode, a cylindrical cavity is formed in the inner side of the knife roll along the axial direction, the separation plate is embedded into the cylindrical cavity in the inner side of the knife roll and radially separates the cylindrical cavity into two closed cavities, the separation plate is dynamically sealed with the inner side surface of the knife roll, the separation plate is fixed relative to the frame, a first opening and a second opening which are respectively communicated with two independent cavities are formed in the surface of the separation plate, the first opening and the second opening are respectively communicated with a positive pressure air source and a negative pressure air source, the closed cavities communicated with the negative pressure air source are arranged close to the compression roller, at least one annular die-cutting knife is arranged on the surface of the knife roll, the bottom of the annular die-cutting knife is communicated with the cylindrical cavity in the inner side of the knife roll, the driving device is arranged on the frame, the driving device drives the knife roll and the compression roller to reversely rotate simultaneously, and the tail end of the annular die-cutting knife is selectively propped against the surface of the compression roller when the knife roll rotates.

In some embodiments, the cutter roller is fixed on the inner ring of the first rolling bearing.

In some embodiments, the roller assembly further comprises a second rolling bearing, wherein an outer ring of the second rolling bearing is fixedly connected with the frame, and a roller shaft of the pressing roller is coaxially and fixedly connected with an inner ring of the second rolling bearing.

In some embodiments, the isolation plate comprises two circular end plates and a connecting plate, the two circular short plates are coaxially arranged at two ends of the cylindrical cavity on the inner side of the knife roller respectively, the edge of the circular end plate is dynamically sealed with the inner wall of the cylindrical cavity, the two circular end plates are fixedly connected through the connecting plate, the two side edges of the connecting plate along the radial direction of the cylindrical cavity are dynamically sealed with the inner wall of the cylindrical cavity, the two side edges of the connecting plate along the axial direction of the cylindrical cavity are fixedly attached to the surface of the circular end plate, and the connecting plate separates the cylindrical cavity into two closed cavities.

In some embodiments, the circumferential edge of the circular end plate is provided with a first labyrinth groove, and the inner wall of the cylindrical cavity inside the knife roll is provided with a second labyrinth groove in the circumferential direction, and the first labyrinth groove is meshed with the second labyrinth groove.

In some embodiments, the device further comprises a transmission gear and a meshing gear, wherein the meshing gear is coaxially arranged on a rotating shaft at one end of the press roller, the transmission gear is rotatably arranged on the frame, the meshing gear is meshed with the peripheral surface of the knife roller through the transmission gear, and the driving device is in transmission connection with the press roller and drives the press roller to rotate.

In some embodiments, the press roller further comprises a shaft coupling, the driving device is a motor, the motor is fixedly arranged on the frame, and an output shaft of the motor is in transmission connection with a rotating shaft of the press roller through the shaft coupling.

In some embodiments, the knife roll is positioned in a side-by-side relationship with the knife roll.

In some embodiments, the die cutter further comprises a cylindrical gasket, the cylindrical gasket is sleeved outside the press roller, and when the cutter roller rotates, the tail end of the annular die cutter selectively abuts against the surface of the gasket.

Compared with the prior art, the punching device for the packaging corrugated paper has the following beneficial effects:

the utility model provides a perforating device for packaging corrugated paper, which adopts a round die-cutting structure, improves the structure of a cutter roller, adopts a hollow cutter roller, is internally provided with a separation plate, can separate the cutter roller to form two independent closed cavities, and is internally provided with a positive pressure environment and a negative pressure environment respectively, so that the pressure in the edge of a die-cutting knife is changed, and the pressure is changed at different positions in the rotating process of the cutter roller, so that the waste of corrugated paper fragments in the die-cutting knife has different attachment states, the purposes of adsorbing and separating the waste formed after the corresponding corrugated paper is perforated at fixed points are achieved, the separation operation of the waste and the packaging paper in the production of packaging corrugated paper is saved, and the processing efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an isometric view of a perforating device for packaging corrugated paper in accordance with the present utility model;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a front cross-sectional view of the perforating device for packaging corrugated paper of the present utility model;

fig. 4 is a partial enlarged view of a portion a in fig. 3.

In the figure: 1-frame, 2-knife roll, 3-compression roller, 4-division board, 5-drive, 6-first antifriction bearing, 7-second antifriction bearing, 8-transmission, 9-meshing gear, 10-shaft coupling, 11-collection box, 12-gasket, 21-die cutter, 22-second labyrinth groove, 41-circular end plate, 42-connecting plate, 411-first opening, 412-second opening, 413-first labyrinth groove.

Detailed Description

The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Unless defined otherwise, all technical terms and science used herein have the same meaning as commonly understood by one of ordinary skill in the art to which embodiments of the present utility model belong. If the definitions set forth in this section are contrary to or otherwise inconsistent with the definitions set forth in the patents, patent applications, published patent applications and other publications incorporated herein by reference, the definitions set forth in this section are preferentially set forth in the definitions set forth herein.

As shown in fig. 1, referring to fig. 2 to 4, the punching device for packaging corrugated paper of the present utility model comprises: the cutter comprises a frame 1, a cutter roller 2, a press roller 3, a separation plate 4 and a driving device 5, wherein the cutter roller 2 and the press roller 3 are of columnar structures, fixed rotating shafts of the cutter roller 2 and the press roller 3 are parallel to each other, the cutter roller 2 and the press roller 3 are respectively arranged on the frame 1 in a rotating mode around respective axes, a cylindrical cavity is formed in the inner side of the cutter roller 2 along the axis direction, the separation plate 4 is embedded in the cylindrical cavity and separates the cylindrical cavity to form two closed cavities, the separation plate 4 is fixedly arranged relative to the frame 1, the cutter roller 2 is in a rotating process relative to the frame 1, the separation plate 4 is in dynamic sealing connection with the surface of the cylindrical cavity of the cutter roller 2, the surface of the separation plate 4 is respectively provided with a first opening 411 and a second opening 412, the first opening 411 and the second opening 412 are respectively communicated with the two closed cavities, one end of the first opening 411, which is far away from the closed cavity, is communicated with a positive pressure air source, the closed cavity communicated with a cutter is close to the press roller 3, one end, which is far away from the closed cavity, of the negative pressure air source, the outer side surface of the cutter roller 2 is integrally formed with at least one annular die 21, the bottom 21 is arranged on the surface of the inner side of the cutter roller 2, the bottom 21 is in a rotating mode, the bottom 21 is communicated with the cutter roller 2 and the surface of the cutter roller 2 is in a rotating mode, and the opposite to the rotating mode, the cutter roller 2 is in the rotating mode, and the opposite to the rotating mode, and the cutter roller 2 is in the opposite to the rotating mode, and the opening device is arranged on the frame 5, and is in a rotating mode opposite to the opposite mode, and is opposite to the driving mode.

In the above embodiment, the cutter roller 2 and the press roller 3 form a circular die-cutting structure, corrugated paper passes between the cutter roller 2 and the press roller 3, moves under the rotation action of the press roller 3 and the cutter roller 2, and respectively performs line contact with the press roller 3 and the cutter roller 2, wherein the surface of the corrugated paper is subjected to cutting treatment in the line contact process of the die cutter 21, so that the purpose of punching is achieved, after the corrugated paper is subjected to annular cutting by the die cutter 21, the corrugated paper positioned at the inner side of the die cutter 21 is adsorbed at the inner side of the annular opening of the die cutter 21 due to the action of a negative pressure air source, and is separated from the corrugated paper in the rotation process of the cutter roller 2, and when the die cutter 21 rotates to be communicated with a positive pressure air source, the corrugated paper fragments positioned in the annular opening are blown away from the die cutter 21 under the positive pressure action.

Through the working mode, the waste generated by cutting and the packaging corrugated paper can be separated when the packaging corrugated paper is cut, so that the processing efficiency of the packaging corrugated paper is directly improved, and meanwhile, the punching device can be directly connected and arranged on a corrugated paper production line for continuous processing production.

In some embodiments, the isolation plate 4 is detachably connected with the frame 1, and the relative positions of the two closed cavities can be adjusted by detaching the isolation plate 4 and adjusting the posture of the isolation plate 4, or the isolation plate 4 with different shapes can be replaced, so that the shapes of the two closed cavities can be adjusted to adapt to different negative pressure and positive pressure positions, and the effects of adsorbing and separating different corrugated paper scrap waste materials can be achieved.

In some embodiments, the cutter roller device further comprises a first rolling bearing 6, wherein an outer ring of the first rolling bearing 6 is fixedly connected with the frame 1, and the cutter roller 2 is coaxially and fixedly connected with an inner ring of the first rolling bearing 6.

In the above embodiment, the inside of the cutter roller 2 is hollow, and the cutter roller 2 is supported and connected by adopting the rolling bearing, so that the running stability of the cutter roller 2 on the frame 1 is improved.

In some embodiments, the roller press further comprises a second rolling bearing 7, wherein an outer ring of the second rolling bearing 7 is fixedly connected with the frame 1, and a roller shaft of the pressing roller 3 is coaxially and fixedly connected with an inner ring of the second rolling bearing 7.

In the above embodiment, the press roller 3 cooperates with the cutter roller 2 in the rotating process, so that corrugated paper is conveyed and cut, the press roller 3 is supported and connected by the rolling bearing, and the running stability of the press roller 3 on the frame 1 is improved.

In some embodiments, the isolation plate 4 further includes two circular end plates 41 and a rectangular connecting plate 42, where the two circular end plates 41 are fixedly disposed at two ends of the rectangular connecting plate 42 in parallel, the two circular end plates 41 are coaxially disposed at two ends of the inner cylindrical cavity of the knife roller 2, edges of the circular end plates 41 are in dynamic sealing connection with inner walls of the cylindrical cavity, two opposite sides of the rectangular connecting plate 42 along a radial direction of the cylindrical cavity are in dynamic sealing connection with inner walls of the cylindrical cavity, and the connecting plate 42 cooperates with the two circular end plates 41 to divide the cylindrical cavity into two closed cavities.

In the above embodiment, the first opening 411 is formed in one or both of the two circular end plates 41, the second opening 412 is formed in one or both of the two circular end plates 41, at least one circular end plate 41 is detachably or non-detachably fixedly connected to the frame 1, and during the rotation of the cutter roll 2, the two closed cavities are selectively communicated with the inner side of the annular die cutter 21, and meanwhile, the two closed cavities are isolated from each other and are not ventilated.

In the above embodiments, the positive pressure air source and the negative pressure air source are not shown in the drawings, the positive pressure air source may be an air pump, and the negative pressure air source may be a vacuum pump.

In some embodiments, the circumferential edge of the circular end plate 41 is provided with a first labyrinth groove 413, and the inner wall of the inner side of the cutter roller 2, which is strong in the cylindrical hole, is provided with a second labyrinth groove 22 in the circumferential direction, and the first labyrinth groove 413 is engaged with the second labyrinth groove 22.

In the above embodiment, the labyrinth groove structure is adopted as dynamic sealing connection, and a structural scheme is provided that the knife roller 2 can be connected in a rotating way relative to the isolation plate 4, the labyrinth groove structure can improve the sealing performance of the rotating connection part, and as a preferable mode, the labyrinth groove can be filled with lubricant, so that the sealing performance can be further improved while the rotating connection resistance is reduced.

As a specific example, the mounting ring is circumferentially arranged in the cylindrical cavity inside the knife roller 2, the mounting ring protrudes out of the inner wall of the cylindrical cavity, the second labyrinth groove 22 is arranged on the inner ring surface of the mounting ring, and the difficulty in processing the labyrinth groove and the difficulty in sealing connection between the first labyrinth groove 413 and the second labyrinth groove 22 can be reduced by arranging the mounting ring.

In some embodiments, the device further comprises a transmission gear 8 and a meshing gear 9, wherein the meshing gear 9 is coaxially arranged on a rotating shaft at one end of the press roller 3, the transmission gear 8 is rotatably arranged on the frame 1, the meshing gear 9 is meshed with the outer peripheral surface of the knife roller 2 through the transmission gear 8, and the driving device 5 is in transmission connection with the press roller 3 and drives the press roller 3 to rotate.

In the above embodiment, as a preferable mode, the outer side of the knife roll 2 is circumferentially provided with external teeth, and the transmission gear 8 is meshed with the meshing gear 9 and the surface of the knife roll 2, so that the purpose of connecting the knife roll 2 and the press roll 3 in a transmission manner is achieved, and meanwhile, in the transmission process, the rotation directions of the knife roll 2 and the press roll 3 are opposite.

In some embodiments, the device further comprises a coupling 10, a driving device 5-position motor, the motor is fixedly arranged on the frame 1, and an output shaft of the motor is in transmission connection with a rotating shaft of the press roller 3 through the coupling 10.

In the above embodiment, a motor is used to drive the pressing roller 3 to rotate and synchronously drive the knife roller 2 to rotate, so as to realize synchronous and reverse rotation of the knife roller 2 and the pressing roller 3.

In some embodiments, the device further comprises a collecting box 11, wherein the collecting box 11 is fixedly arranged on the frame 1, and the collecting box 11 is upwards opened and faces the knife roll 2.

In the above embodiment, the collection box 11 is utilized to collect the corrugated paper waste generated after punching discharged on the cutter roller 2 in a concentrated manner, so that the corrugated paper waste and the corrugated paper for packaging are prevented from being mixed, the production efficiency is improved, meanwhile, the production environment is not influenced, and the production environment is improved.

In some embodiments, the device further comprises a cylindrical gasket 12, the cylindrical gasket 12 is sleeved on the outer side of the press roller 3, and when the knife roller 2 rotates, the tail end of the annular die cutter 21 selectively abuts against the surface of the gasket 12.

In the above embodiment, the gasket 12 is used for protecting the press roller 3, and meanwhile, the gasket 12 is matched with the die cutter 21 on the surface of the cutter roller 2, when the die cutter 21 is in line contact with the gasket 12, the mutual acting force between the two acts on the surface of the corrugated paper, so as to achieve the purpose of cutting and punching, preferably, the gasket 12 can be made of an elastic material, and the gasket 12 is sized to be in interference fit with the edge part of the die cutter 21.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A perforating device for packaging corrugated paper, comprising: the device comprises a frame, a knife roll, a press roll, a separation plate and a driving device, wherein the knife roll and the press roll are arranged on the frame in parallel in a rotating mode, a cylindrical cavity is formed in the inner side of the knife roll along the axial direction, the separation plate is embedded into the cylindrical cavity in the inner side of the knife roll and radially separates the cylindrical cavity into two closed cavities, the separation plate is dynamically sealed with the inner side surface of the knife roll, the separation plate is fixed relative to the frame, a first opening and a second opening which are respectively communicated with two independent cavities are formed in the surface of the separation plate, the first opening and the second opening are respectively communicated with a positive pressure air source and a negative pressure air source, the closed cavities communicated with the negative pressure air source are arranged close to the press roll, at least one annular die cutter is arranged on the surface of the knife roll, the bottom of the die cutter is communicated with the cylindrical cavity in the inner side of the knife roll, the driving device is arranged on the frame, the driving device drives the knife roll and the press roll to reversely rotate simultaneously, and the tail end of the die cutter is selectively propped against the surface of the press roll when the knife roll rotates.

2. The perforating device for packaging corrugated paper as recited in claim 1 further comprising a first rolling bearing, an outer race of the first rolling bearing being fixedly coupled to the housing, the knife roller being fixedly coupled coaxially with an inner race of the first rolling bearing.

3. The perforating device for packaging corrugated paper as recited in claim 1 further comprising a second rolling bearing, an outer race of the second rolling bearing being fixedly coupled to the housing, a roller shaft of the pressure roller being fixedly coupled coaxially with an inner race of the second rolling bearing.

4. The perforating device for packaging corrugated paper as recited in claim 1 wherein the separator comprises two circular end plates and a connecting plate, the two circular short plates are coaxially arranged at two ends of the cylindrical cavity inside the knife roller respectively, the edges of the circular end plates are dynamically sealed with the inner wall of the cylindrical cavity, the two circular end plates are fixedly connected through the connecting plate, two sides of the connecting plate along the radial direction of the cylindrical cavity are dynamically sealed with the inner wall of the cylindrical cavity, the two sides of the connecting plate along the axial direction of the cylindrical cavity are fixedly attached to the surfaces of the circular end plates, the connecting plate separates the cylindrical cavity into two closed cavities, a first opening and a second opening are formed in the circular end plates, and the first opening and the second opening are respectively communicated with a positive pressure air source and a negative pressure air source.

5. The perforating device for packaging corrugated paper as recited in claim 4 wherein the circumferential edge of the circular end plate is provided with a first labyrinth groove and the inner wall of the cylindrical cavity inside the knife roll is provided with a second labyrinth groove in the circumferential direction, the first labyrinth groove being engaged with the second labyrinth groove.

6. The perforating device for packaging corrugated paper as recited in claim 1 further comprising a drive gear and a meshing gear, wherein the meshing gear is coaxially disposed on a rotating shaft at one end of the press roller, the drive gear is rotatably disposed on the frame, the meshing gear is meshed with the outer peripheral surface of the cutter roller through the drive gear, and the drive device is in driving connection with the press roller and drives the press roller to rotate.

7. The perforating device for packaging corrugated paper as recited in claim 1 further comprising a coupling, wherein the drive means is a motor fixedly disposed on the housing, and wherein an output shaft of the motor is drivingly coupled to the rotatable shaft of the pressure roller via the coupling.

8. The perforating device for packaging corrugated paper as recited in claim 1 further comprising a collection box fixedly mounted to the housing, the collection box opening upwardly and facing the knife roll.

9. The perforating device for packaging corrugated paper as recited in claim 1 further comprising a cylindrical spacer disposed around the outside of the press roller, wherein the ends of the die cutter selectively abut against the surfaces of the spacer as the cutter roller rotates.