CN115465603B

CN115465603B - Corrugated board loading attachment

Info

Publication number: CN115465603B
Application number: CN202211148720.3A
Authority: CN
Inventors: 李昌斌; 阮光胜; 江伟; 王道风
Original assignee: Maanshan Kanghui Carton And Paper Products Co ltd
Current assignee: Maanshan Kanghui Carton And Paper Products Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2025-06-17
Anticipated expiration: 2042-09-21
Also published as: CN115465603A

Abstract

The invention relates to the technical field of paperboard feeding machines, in particular to a corrugated paperboard feeding device which comprises a machine base and side plates arranged at two ends of the machine base, wherein a lifting supporting plate is arranged between the two side plates, a grabbing mechanism is arranged above the lifting supporting plate, one side of the upper end of the side plate is provided with a feeding roller group, the grabbing mechanism comprises a hollow rotating roller rotatably arranged between the two side plates, a plurality of groups of connecting columns are uniformly arranged on the outer circumference of the hollow rotating roller, the ends of the connecting columns are connected with a material sucking disc through telescopic pipes, the ends of the telescopic pipes are connected with movable rods which pass through the connecting columns in a sealing mode and extend into the middle idle roller, springs are connected between the connecting columns and the outer ends of the movable rods, the whole corrugated paperboard feeding device is simple and compact in structure, the manufacturing cost is low, and the condition that the uppermost paperboard is also dragged to the lower paperboard is fed in the feeding process is avoided, and the feeding effect on the corrugated paperboard is excellent.

Description

Corrugated board loading attachment

Technical Field

The invention relates to the technical field of paperboard feeding machines, and particularly discloses a corrugated paperboard feeding device.

Background

In the corrugated board printing or die cutting process, a piece of corrugated paper needs to be fed into a printer or die cutter. Traditional corrugated board printing or die cutting material loading is by manual operation, because manual operation intensity of labour is big, the operating efficiency is low, has been replaced by corresponding cardboard material loading machine now gradually, but current cardboard material loading machine is because of the defect in the design, easily takes place unable pay-off or send into multilayer cardboard simultaneously, leads to follow-up printing or die cutting process to appear the problem.

For example, the utility model patent with the application number of CN2015207991433 discloses an automatic feeding mechanism of a paperboard, which comprises a frame, wherein a jacking mechanism is arranged on the frame and comprises a jacking motor arranged on the frame, a screw nut and a screw rod which are arranged on the frame, the screw nut is supported on a bearing, the bearing is arranged on the frame through a bearing seat, the screw nut is connected with the jacking motor in a transmission manner, the upper end of the screw rod is fixed below a jacking platform capable of moving up and down, and the lower end of the screw rod is a free end. This cardboard automatic feeding mechanism is through climbing mechanism's effect with the cardboard that stacks upwards to a take the altitude at the operation in-process, then still need cooperate corresponding manipulator to snatch the corrugated container board of the upper strata, perhaps set up corresponding feeding roller press on the corrugated container board of upper strata, realize the delivery of corrugated container board through the feeding roller rotation in-process with the frictional force on cardboard surface. The grabbing mode of the mechanical arm to the corrugated paper board needs to be equipped with a negative pressure system to adsorb the paper board, so that the whole feeding machine is complex in structure and high in preparation cost, and the mode of the feeding roller is simple in structure, but in the process that the feeding roller drives the uppermost paper board to be sent out by friction force, the uppermost paper board is easy to drag the lower paper board to be sent out in the sending-out process due to certain friction force between the paper boards, and meanwhile, the sent multi-layer paper board is easy to cause paper board scrapping in the subsequent printing or die cutting process. Therefore, aiming at the defects existing in the prior corrugated board feeding device, the utility model provides a corrugated board feeding device capable of effectively solving the technical problems.

Disclosure of Invention

The invention aims to provide a corrugated board feeding device, which aims to solve the defects of the existing automatic feeding mechanism for the paper board when the automatic feeding mechanism is matched with a mechanical arm to grasp and feed or matched with a feeding roller to press and feed.

The invention is realized by the following technical scheme:

the corrugated board feeding device comprises a machine base and side plates arranged at two ends of the machine base, wherein a lifting supporting plate is arranged between the two side plates, a lifting mechanism for realizing up-and-down movement of the lifting supporting plate is arranged on each side plate, a grabbing mechanism is arranged above the lifting supporting plate, and a feeding roller group is arranged at one side of the upper end of each side plate;

The material grabbing mechanism comprises a hollow rotating roller which is arranged between two side plates in a rotating mode, a plurality of groups of connecting columns are uniformly arranged on the circumference of the outer circle of the hollow rotating roller, a material sucking disc is connected to the end portion of each connecting column through a telescopic pipe, a movable rod which penetrates through the connecting column in a sealing mode and stretches into the middle idling roller is connected to the end portion of each telescopic pipe, a spring is connected between the connecting column and the outer end portion of each movable rod, the inner end portion of each movable rod is connected with a connecting strip in a connecting mode, magnetic strips are arranged on the connecting strips, fixing rods are concentrically arranged in the hollow rotating roller, the end portions of the fixing rods stretch out of the hollow roller shafts and are fixedly arranged, electromagnets are arranged on the lower half portion of one side of each fixing rod, which faces to the sending roller set, and the polarity of each electromagnet is identical with that of each magnetic strip.

As the concrete setting of above-mentioned scheme, the both sides end of lift layer board all is provided with two sliders, two guiding hole and screw hole have been seted up respectively on the slider, two vertical spouts have been seted up on the curb plate, elevating system is including setting up guide arm and lead screw in two vertical spouts respectively, guide arm and guiding hole assorted, lead screw and screw hole assorted, still be provided with the lead screw motor that is connected with the lead screw on the frame.

As a further setting of the scheme, the two side plates are respectively provided with an infrared emitter and an infrared receiver, the infrared emitters and the infrared receivers are arranged in the same horizontal straight line, and the infrared receivers and the screw rod motor are electrically connected with the controller.

As the concrete setting of above-mentioned scheme, two the top of curb plate all is provided with the bearing frame, the drive roller at cavity commentaries on classics roller both ends and cavity roller are connected with two bearing frames.

As the specific setting of above-mentioned scheme, be provided with driven pulley on the drive roller axle, be provided with driving motor on the curb plate, be connected with the driving pulley on driving motor's the motor shaft, be provided with driving belt between driving pulley and the driven pulley.

As a specific arrangement of the above scheme, each group of the connecting posts is arranged at intervals along the axial direction of the intermediate idle roller.

As a further arrangement of the scheme, a belt conveying seat is connected to the machine base far away from one side of the sending-out roller set, a plurality of conveying belts are arranged in the middle of the belt conveying seat, and a supporting block is arranged between two adjacent conveying belts.

As a further arrangement of the scheme, the side ends of the lifting supporting plates are connected with a plurality of inserting plates, and the inserting plates extend into gaps between two adjacent conveying belts when moving downwards along with the lifting supporting plates.

The corrugated board feeding device designed by the invention always keeps stacked boards to the level that the material sucking disc can completely adsorb through the lifting supporting plate, then, through the rotation action of the idle roller in the upper part, when a group of blanking discs rotate to the lowest part, current is introduced into the electromagnet, then, the movable rod is instantaneously pushed downwards by the action of the like repulsion of the electromagnet and the magnetic strip, the material sucking disc is attached to the upper surface of the uppermost corrugated board in the pushing downwards process of the movable rod, and as the telescopic pipe is elongated, negative pressure is formed inside the telescopic pipe, so that the telescopic pipe has stronger adsorption force on the boards, then, the uppermost boards are separated from the lower boards along with the rotation action of the idle roller, the adsorption force is withdrawn after rotating for a certain angle, and at the moment, the boards fall on the delivery roller group and are sent into a printing machine or a die cutting machine for subsequent processing under the action of the delivery roller group.

Compared with the prior art, the invention has the following beneficial effects:

When the corrugated paper feeding device disclosed by the invention is used for grabbing the uppermost corrugated paper, a group of suction trays are positioned right above the corrugated paper by utilizing the rotation action of the middle idle roller, and then the suction trays and the telescopic tubes are pushed downwards by utilizing the acting force between the electromagnets and the magnetic strips, so that the suction trays are attached to the upper surface of the corrugated paper, the corrugated paper is adsorbed by utilizing the process of reducing the internal pressure of the telescopic tubes in the process of attaching the suction trays to the upper surface of the corrugated paper, and the adsorbed corrugated paper is separated from the lower corrugated paper in the process of rotating along with the middle idle roller and is conveyed by the delivery roller group. The whole grabbing mechanism realizes grabbing of the paperboards, separation between the paperboards and conveying of the paperboards after grabbing on the premise that a negative pressure system is not needed, the whole corrugated board feeding device is simple and compact in structure and low in manufacturing cost, the situation that the uppermost paperboard is dragged to be sent out of the lower paperboard in the sending-out process is avoided, and the feeding effect on the corrugated boards is excellent.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a first angular perspective structure of the present invention;

FIG. 2 is a schematic view of a second angle perspective structure of the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of a stand, a side plate, a fixing rod, etc. in the present invention;

FIG. 4 is a schematic perspective view of a lifting pallet and a slider according to the present invention;

FIG. 5 is a schematic perspective view of a grabbing mechanism in the invention;

FIG. 6 is a schematic side view of the internal plan view of the idler roller of the present invention;

FIG. 7 is a schematic diagram of the planar structure of the suction tray, the telescopic tube, the connecting strip and the like in the invention;

FIG. 8 is a perspective sectional view of a suction tray, a telescopic tube, etc. according to the present invention.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The present application will be described in detail with reference to fig. 1 to 8, and examples.

Example 1

Embodiment 1 discloses a corrugated container board loading attachment, referring to fig. 1 and fig. 2, the main part of this loading attachment includes frame 1, lift layer board 2, grabs material mechanism 3 and send out roller group 4.

Referring to fig. 3, vertically upward side plates 101 are fixedly connected to both ends of the stand 1, and roll frame plates 102 horizontally extend outward from one side of the upper ends of the two side plates 101, and a delivery roll set 4 is rotatably connected between the two roll frame plates 102, and the delivery roll set 4 includes a plurality of roll bodies and a driving box arranged side by side, and the driving box is connected with a power unit to realize synchronous rotation of the plurality of roll bodies. The corrugated board placed above the feeding roller set can be conveyed through the transmission function of the row of roller bodies.

Meanwhile, two vertical sliding grooves 103 are formed in the inner side surface of each side plate 101, one vertical sliding groove 103 is connected with a vertical guide rod 104, the other vertical sliding groove 103 is provided with a vertical screw rod 105, and the lower end of the machine base 1 is provided with a screw rod motor 106 for driving the vertical screw rod 105 to rotate.

Referring to fig. 1 and 4, the elevation pallet 2 is disposed between two side plates 101, and two sliders 201 are connected to both ends of the elevation pallet 2, and the two sliders 201 are disposed in corresponding vertical sliding grooves 103, respectively. One of the sliding blocks 201 is provided with a guide hole matched with the vertical guide rod 104, and the other sliding block 201 is provided with a threaded hole matched with the vertical screw rod 105. The stacked multi-layer paperboards are placed on the upper surface of the lifting supporting plate 2, and the lifting supporting plate 2 is stably lifted upwards under the transmission of the screw rod motor 106 and the threaded holes by controlling the rotation of the screw rod motor 106.

In addition, in order to ensure that the upper end of the cardboard on the lifting pallet 2 is always at a fixed height, an infrared emitter 5 and an infrared receiver 500 are respectively arranged on the two sides 101 and are arranged on the same horizontal line. When the uppermost cardboard rises to the horizontal position of the infrared emitter 5 and the infrared receiver 500, the receiving end of the infrared receiver 500 is blocked, and at this time, a signal is transmitted to the controller 6, and the screw motor 106 is turned off by a control command of the controller 6.

Referring to fig. 3, 5 and 6, the grabbing mechanism 3 includes a hollow rotating roller 301 disposed above the lifting support plate 2, two ends of the hollow rotating roller 301 are respectively connected with a driving roller shaft 302 and a hollow roller shaft 303, and then bearing seats 304 are fixedly disposed at top ends of the two side plates 101, and the driving roller shaft 302 and the hollow roller shaft 303 are respectively rotatably connected in the corresponding bearing seats 304. A material gripping driving device 305 is provided on the outer side surface of the side plate 101, and the material gripping driving device 305 is connected to the driving roller shaft 302. The specific grabbing driving device 305 includes a driving motor 3051 fixedly disposed on the side plate 101, a driving pulley is connected to a motor shaft of the driving motor 3051, a driven pulley 3052 is connected to an outer end portion of the driving roller shaft 302, and a driving belt 3053 is disposed between the driving pulley and the driven pulley 3052. The idler roller 301 can be rotated between the two bearing blocks 304 by the power input of the driving motor 3051 in combination with the transmission action of the transmission belt 3053.

Then, a fixing rod 306 is concentrically arranged in the inner cavity of the hollow rotary roller 301, one end surface of the fixing rod 306 is connected with a connecting rod 307 extending from the hollow roller shaft 303, and the end of the connecting rod 307 is connected with a fixing seat 308 on the side plate 101. A plurality of electromagnets 309 are provided on the lower half of the fixed lever 306 on the side toward the feed-out roller group 4, and the plurality of electromagnets 309 are arranged at intervals in the axial direction of the fixed lever 306.

Referring to fig. 7 and 8, a plurality of sets of connection posts 310 are connected in an annular array on the outer circumferential surface of the hollow rotating roller 301, and each set of connection posts 310 is arranged at intervals in the axial direction of the hollow rotating roller 301, three sets of connection posts 310 are provided in the present embodiment, and the number of connection posts 310 in each set is five. A telescopic tube 311 is connected to the outer end of each connecting column 310, and a suction tray 312 is connected to the end of the telescopic tube 311. Meanwhile, a movable rod 313 arranged radially is inserted in the connecting column 310 in a sealing manner, a connecting body 314 connected with the lower end of the telescopic tube 311 is connected to the outer end of the movable rod 313, a spring 315 is sleeved on the movable rod 313, and two ends of the spring 315 are respectively connected with the connecting body 314 and the connecting column 310. Then, a connecting bar 316 is commonly connected to the inner ends of a group of movable bars 313 extending into the hollow cavity of the intermediate idle roller 301, and a magnetic bar 317 is provided on the side of the connecting bar 316 facing the center of the intermediate idle roller 301.

In the running process of the corrugated board feeding device disclosed in this embodiment 1, the lifting supporting board 2 is stably lifted between the two side boards 101 through the driving action of the lead screw motor 106. Meanwhile, the operation of the screw motor 106 is controlled through the actions of the infrared emitter 5, the infrared receiver 500 and the controller 6, so that the corrugated board at the uppermost layer is always at a set height.

When the corrugated board is lifted to a set height, the middle idle roller 301 is driven to rotate by 120 degrees by the action of the grabbing driving device 306, and when a group of suction trays 312 on the middle idle roller 301 are at the lowest end, current is introduced into the electromagnet 309, so that the outer surface of the electromagnet 309 generates the same magnetic field as the outer surface of the magnetic strip 317. The connecting strip 316 and the movable rod 313 are pushed downwards under the action of the repulsion of the like poles of the magnets, then the suction tray 312 is attached to the upper surface of the uppermost paperboard downwards under the pushing of the movable rod 313, the telescopic tube 311 is stretched to the longest length from the shortest state, and at the moment, the corrugated paperboard can be sucked and grabbed under the action of negative pressure in the telescopic tube 311 and the suction tray 312.

When the corrugated board is absorbed and grabbed, and then the middle idle roller 301 rotates for a certain angle, the uppermost corrugated board is separated from the lower board, after the middle idle roller 301 rotates for a certain angle, the current flowing into the electromagnet 309 is closed, then the whole material sucking disc 312, the telescopic pipe 311 and the like are reset under the action of the spring 315, the negative pressure state disappears, and the material sucking disc 312 drops the grabbed corrugated board, so that the end part of the corrugated board falls on the sending-out roller set 4, and then the corrugated board is sent to a printer or a die-cutting machine under the action of the sending-out roller set 4.

Example 2

Embodiment 2 discloses a loading attachment that improves on embodiment 1 basis, realizes the automatic blevile of pushing of corrugated container board heap, and this embodiment 2 is the same with embodiment 1 and does not explain once more, and its difference can refer to fig. 1 and fig. 2.

In this embodiment 2, a belt conveyor seat 7 is attached to the lower end of the housing 1 on the side away from the feed-out roller group 4, a plurality of conveyor belts 701 are provided in the belt conveyor seat 7 side by side, and a belt motor 702 for driving all the conveyor belts 701 to rotate synchronously is provided at one end of the belt conveyor seat 7. A supporting block 703 is provided in the belt conveyor seat 7 between each adjacent two of the conveyor belts 701, and the upper end of the supporting block 703 is provided slightly lower than the upper end of the conveyor belt 701 and is provided as a smooth surface.

Referring to fig. 4, in embodiment 2, a plurality of insertion plates 202 are connected between the side ends of the elevation pallet 2 near the belt conveyor seats 7, and each insertion plate 202 can extend into the gap between two adjacent conveyor belts 701.

After all corrugated boards on the lifting supporting plate 2 are sent out, the lifting supporting plate 2 is pushed downwards to be parallel to the upper surfaces of the conveying belts 701 through the reverse rotation of the screw motor 106, at the moment, the inserting plate 202 also stretches into the two adjacent conveying belts 701, and then another stacked board on the conveying belts 701 is conveyed to the lifting supporting plate 2 for feeding through the input function of the belt motor 702.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. A corrugated cardboard feeding device, comprising a machine base and side plates arranged at both ends of the machine base, a lifting support plate is arranged between the two side plates, and a lifting mechanism for realizing the up and down movement of the lifting support plate is arranged on the side plate, characterized in that a material grabbing mechanism is arranged above the lifting support plate, and a feeding roller group is arranged on one side of the upper end of the side plate;

Among them, the material grabbing mechanism includes a hollow roller rotatably arranged between two side plates, and a plurality of groups of connecting columns are evenly arranged on the circumference of the outer circumferential surface of the hollow roller. The end of the connecting column is connected to a suction plate through a telescopic tube, and the end of the telescopic tube is connected to a movable rod that seals and passes through the connecting column and extends into the interior of the hollow roller, and a spring is connected between the connecting column and the outer end of the movable rod, and the inner end of each group of the movable rods is commonly connected to a connecting strip, and a magnetic strip is arranged on the connecting strip, a fixed rod is concentrically arranged in the hollow roller, and the end of the fixed rod extends from the hollow roller shaft and is fixedly arranged, and an electromagnet is arranged on the lower half of the fixed rod facing the side of the delivery roller group, and the polarity of the electromagnet is arranged the same as that of the magnetic strip.

2. The corrugated cardboard feeding device according to claim 1 is characterized in that two sliding blocks are provided on both side ends of the lifting support plate, and guide holes and threaded holes are respectively provided on the two sliding blocks. Two vertical slide grooves are provided on the side plate, and the lifting mechanism includes a guide rod and a screw rod respectively arranged in the two vertical slide grooves, the guide rod matches the guide hole, and the screw rod matches the threaded hole. A screw motor connected to the screw rod is also provided on the machine base.

3. The corrugated cardboard feeding device according to claim 2 is characterized in that an infrared transmitter and an infrared receiver are respectively provided on the two side panels, and the infrared transmitter and the infrared receiver are arranged in the same horizontal straight line, and the infrared receiver and the screw motor are electrically connected to the controller.

4. The corrugated cardboard feeding device according to claim 1 is characterized in that bearing seats are provided at the top ends of the two side plates, and the driving roller shaft and the hollow roller shaft at both ends of the hollow roller are connected to the two bearing seats.

5. The corrugated cardboard feeding device according to claim 4 is characterized in that a driven pulley is arranged on the driving roller shaft, a driving motor is arranged on the side plate, a driving pulley is connected to the motor shaft of the driving motor, and a transmission belt is arranged between the driving pulley and the driven pulley.

6. The corrugated cardboard feeding device according to claim 1, characterized in that each group of connecting columns are arranged at intervals along the axial direction of the hollow roller.

7. The corrugated cardboard feeding device according to claim 1 is characterized in that a belt conveyor seat is connected to the machine base on the side away from the feed roller group, a plurality of conveyor belts are arranged at intervals in the belt conveyor seat, and a support block is arranged between two adjacent conveyor belts.

8. The corrugated cardboard feeding device according to claim 7 is characterized in that a plurality of insert plates are connected to the side ends of the lifting support plate, and the insert plates are arranged to extend into the gap between two adjacent conveyor belts when the lifting support plate moves downward.