CN219096198U

CN219096198U - Processing device for manufacturing packaging structure by using multilayer corrugated boards

Info

Publication number: CN219096198U
Application number: CN202222128873.3U
Authority: CN
Inventors: 蓝富茂; 朱刘京
Original assignee: Zhongshan Zhengmao Machinery Equipment Co ltd
Current assignee: Zhongshan Zhengmao Machinery Equipment Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-05-30
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a processing device for manufacturing a packaging structure by using multi-layer corrugated boards, which comprises a control device, a first feeding device capable of outputting the corrugated boards at the bottommost layer of products, a workbench connected with the output end of the first feeding device, a second feeding device used for sequentially outputting the corrugated boards at the other layers of products, and a centralized gluing device connected with the output end of the second feeding device so as to glue the corrugated boards at the output end of the second feeding device, wherein the workbench is provided with a working area, the output ends of the first feeding device and the centralized gluing device are connected with the working area, the control device is respectively connected with the first feeding device and the second feeding device, and then the corrugated boards output by the second feeding device are sequentially sent to the working area after being subjected to the centralized gluing device, so that all layers of corrugated boards are sequentially stacked layer by layer in the working area.

Description

Processing device for manufacturing packaging structure by using multilayer corrugated boards

[ field of technology ]

The utility model particularly relates to a processing device for manufacturing a packaging structure by using a plurality of layers of corrugated boards.

[ background Art ]

The packaging box is used for wrapping products so as to play a role in protection and decoration, but the traditional packaging box is provided with a space for placing the products in the box, and the traditional packaging box is provided with a strong universality for different materials, such as honeycomb paper boards, hard paper boards, paper boards and the like, in order to improve the protection effect of the packaging box and the universality of the packaging box on the materials, the applicant researches a packaging structure formed by stacking multiple layers of paper boards layer by layer, hollow grooves with preset shapes are formed in each layer of corrugated paper boards, the hollow grooves of each layer of corrugated paper boards are combined after stacking to form a cavity for placing the products, and the novel packaging structure not only has strong universality for different materials, but also can be manufactured in a stacking and combining mode.

Referring to fig. 1 to 3, the laminated packaging structure is composed of a first corrugated cardboard a1 positioned at a bottom layer and a second corrugated cardboard a2 stacked above the first corrugated cardboard a1, wherein the first corrugated cardboard a1 and the second corrugated cardboard a2 are sequentially stacked, the second corrugated cardboard a2 is provided with a plurality of hollow cavities a21, and the hollow cavities a21 of the second corrugated cardboard a2 are combined to form a larger accommodating cavity for accommodating articles and placing products after the second corrugated cardboard a2 is stacked.

However, the above packaging structure is manufactured by stacking each layer of corrugated board after being glued, and the manual operation is required to sort out different materials and glue and stack the materials one by one according to the sequence, so that the operation is troublesome, the error is very easy, the working efficiency is low and the product quality is poor.

The present utility model has been made in view of the above-described drawbacks.

[ utility model ]

The utility model aims to overcome the defects of the prior art and provides a processing device which is used for a multi-layer material combined type packaging structure and can improve the production efficiency and the product quality.

The utility model is realized by the following technical scheme:

the utility model provides a processingequipment of packaging structure is made to multilayer corrugated container board, includes controlling means, can export the first loading attachment of the corrugated container board of product bottommost, the workstation of being connected with first loading attachment output, be used for with the corrugated container board of other layers of product output in proper order second loading attachment, be connected and then with the concentrated viscose device of the corrugated container board viscose of its output with second loading attachment output, be equipped with working area on the workstation, the output of first loading attachment and concentrated viscose device all connect working area, controlling means is connected with first loading attachment and second loading attachment respectively, and then the corrugated container board of second loading attachment output behind the corrugated container board of control first loading attachment arrives working area after concentrated viscose device in proper order for each layer corrugated container board stacks in the working area layer by layer in proper order.

The processing device of packaging structure is made to multilayer corrugated container board as described above, second loading attachment including first frame, be equipped with at least one material loading subassembly in the first frame, material loading subassembly including first conveyer belt, first conveyer belt both sides all are equipped with first side shield, the output side of first conveyer belt is equipped with first baffle, the upper surface of first conveyer belt and first side shield, first baffle enclose into one and are used for piling up the accommodation space of depositing corrugated container board, first baffle set up in first conveyer belt top and leave the first ejection of compact gap that supplies a slice corrugated container board to pass through between the two, first conveyer belt is connected with the action of drive first conveyer belt and then pushes out the corrugated container board that is located the bottom from first ejection of compact gap, the first drive arrangement of every material loading subassembly all is connected with controlling means.

The processing device of the packaging structure is made of the multilayer corrugated boards, the first feeding device comprises the second rack, the second rack is provided with the second conveyor belt, the output side of the second conveyor belt is provided with the second baffle plates, the two sides of the second conveyor belt are provided with the second side baffle plates, the upper surface of the second conveyor belt, the second baffle plates and the second side baffle plates enclose an accommodating space for stacking and storing the corrugated boards, the second baffle plates are arranged above the second conveyor belt, a second discharging gap for a corrugated board to pass through is reserved between the second baffle plates, the second conveyor belt is connected with the second driving device for driving the second conveyor belt to act so as to push out the corrugated boards located at the bottommost layer from the second discharging gap, and the control device is connected with the second driving device and controls the action of the second driving device.

The processing device of the packaging structure is made of the multilayer corrugated board, the centralized gluing device comprises a third rack, a third conveyor belt and guide plates arranged on the upper side of the conveyor belt are arranged on the third rack, at least two guide plates are arranged on the upper surface of the third conveyor belt, the distance between the two guide plates is gradually reduced along the conveying direction of the third conveyor belt, a conveying channel for conveying the corrugated board along the conveying direction of the third conveyor belt is formed by surrounding the two guide plates and the upper surface of the third conveyor belt, the output end of the second feeding device and the input end of the third conveyor belt are correspondingly arranged, and the output end of the conveying channel is correspondingly arranged with the working area.

The processing device of the packaging structure is made of the multilayer corrugated board, a plurality of third feeding devices are arranged on the third rack, the third feeding devices are provided with discharge holes, the discharge holes of the third feeding devices are located above the conveying channels, and the control device is connected with the third feeding devices.

The processing device of the packaging structure is made of the multilayer corrugated board, the centralized adhesive device further comprises an adhesive assembly arranged on the output side of the third conveyor belt, the adhesive assembly comprises an adhesive rod and a pressing rod, adhesive gaps aligned with the surface of the third conveyor belt are reserved between the adhesive rod and the pressing rod, an adhesive is attached to the side face of the adhesive rod, and at least one of the pressing rod and the adhesive rod is connected with a third driving device for driving the adhesive rod and the pressing rod to rotate.

The processing device of the packaging structure is made of the multilayer corrugated board, the workbench comprises a fourth conveying belt, the input end of the fourth conveying belt is correspondingly arranged with the output end of the first feeding device, and the working area of the fourth conveying belt is arranged on the upper surface of the fourth conveying belt.

The processing device of the packaging structure is made of the multilayer corrugated board, the limiting plate which can move to the surface of the fourth conveyor belt and further stop the backward conveying of the sheet packaging material is arranged on the workbench, and when the limiting plate moves to the surface of the fourth conveyor belt, the limiting plate is located at the rear side edge of the working area in the conveying direction of the fourth conveyor belt.

The processing device of the packaging structure is made of the multilayer corrugated board, at least two fourth conveyor belts are arranged, the limiting plate is arranged below the surfaces of the fourth conveyor belts, the limiting plate is provided with the check parts which can penetrate out from gaps between two adjacent fourth conveyor belts, and the workbench is provided with the fourth driving device which is connected with the limiting plate and further pushes the limiting plate to move towards the fourth conveyor belts.

Compared with the prior art, the utility model has the following advantages:

the processing device for manufacturing the packaging structure by the multi-layer corrugated board comprises the feeding device, the second feeding device, the centralized gluing device and the workbench, the multi-layer corrugated board is automatically fed, glued, stacked and aligned and the like through the work of each device, the processes are all completed through one piece of equipment, the complex and error-prone processes of sorting different sheet materials and the like in the manual operation process are reduced, the production efficiency is greatly improved, and the quality of products is improved while the efficiency is improved.

[ description of the drawings ]

FIG. 1 is a schematic view of a manufacturing flow of a first embodiment of a packaging material of the present utility model;

FIG. 2 is a schematic view of a manufacturing flow of a second embodiment of the packaging material of the present utility model;

FIG. 3 is a schematic view of a manufacturing flow of a third embodiment of the packaging material of the present utility model;

FIG. 4 is a schematic perspective view of the concentrated adhesive shaping device of the corrugated board of the present utility model;

fig. 5 is a schematic perspective view of a first feeding device according to the present utility model;

FIG. 6 is an exploded view of the work table of the present utility model;

FIG. 7 is a schematic perspective view of a second loading device of the present utility model;

FIG. 8 is a schematic perspective view of a loading assembly of the present utility model;

fig. 9 is a schematic perspective view of the centralized glue device of the present utility model;

FIG. 10 is a schematic perspective view of the adhesive of the present utility model;

fig. 11 is a cross-sectional view of the adhesive assembly of the present utility model.

[ detailed description ] of the utility model

The utility model is further described below with reference to the accompanying drawings:

the orientations described in the specification of the present utility model, such as "upper", "lower", "left", "right", "front", "rear", etc., are based on the orientations of the figures, and are for the purpose of describing relationships between components, and are not intended to indicate unique or absolute positional relationships between the components, but are merely one embodiment of the present utility model, and are not intended to limit embodiments thereof.

As shown in fig. 1, a processing device for manufacturing a packaging structure by using a multi-layer corrugated board comprises a control device 1, a first feeding device 2 capable of outputting the corrugated board at the bottommost layer of the product, a workbench 5 connected with the output end of the first feeding device 2, a second feeding device 3 for sequentially outputting the corrugated boards at the other layers of the product, a centralized gluing device 4 connected with the output end of the second feeding device 3 and further gluing the corrugated boards output by the second feeding device, wherein a working area 50 is arranged on the workbench 5, the output ends of the first feeding device 2 and the centralized gluing device 4 are connected with the working area 50, the control device 1 is respectively connected with the first feeding device 2 and the second feeding device 3, and further the corrugated boards output by the second feeding device 3 are sequentially conveyed to the working area 50 after passing through the centralized gluing device 4, so that the corrugated boards at all layers of the corrugated boards are sequentially stacked layer by layer in the working area 50, wherein the control device 1 can adopt a general electronic control box, a microcomputer and the like.

The detailed structure is as follows:

as shown in fig. 5, the first feeding device 2 includes a second frame 21, a second conveyor belt 211 is disposed on the second frame 21, as shown in fig. 5, the second conveyor belt 211 may be disposed one or a plurality of second discharge slits 214 for passing a corrugated board, the second conveyor belt 211 is disposed on the output side of the second conveyor belt 211, second baffle plates 212 are disposed on two sides of the second conveyor belt 211, second side baffle plates 213 are disposed on the upper surface of the second conveyor belt 211, the second baffle plates 212 and the second side baffle plates 213 enclose a containing space for stacking and storing corrugated boards, a certain amount of sheet material for the bottommost layer of the product is stacked in the containing space during use, the second baffle plates 212 are disposed above the second conveyor belt 211 and a second discharge gap 214 for passing a corrugated board is reserved between the second baffle plates, the second conveyor belt 211 is connected with a second driving device 215 for driving the second conveyor belt 211 to push the corrugated board located at the bottommost layer from the second discharge gap 214, and the control device 1 and the second driving device 215 are connected with the second driving device 215 for driving the second conveyor belt 211 to the bottommost layer to move smoothly from the second conveyor belt 102 to the bottom layer 5, as shown in fig. 5.

As shown in fig. 8 and 9, the second feeding device 3 includes a first frame 31, at least one feeding component 32 is disposed on the first frame 31, the feeding component 32 includes a first conveyor 321, the first conveyor 321 may be disposed as a single corrugated board or may be disposed side by side to accommodate corrugated boards of different sizes and different shapes, both sides of the first conveyor 321 are provided with a first side baffle plate 323, an output side of the first conveyor 321 is provided with a first baffle plate 322, an accommodating space for stacking and storing corrugated boards is defined by an upper surface of the first conveyor 321, the first side baffle plate 323 and the first baffle plate 322, and when in use, a certain number of corrugated boards with two layers, three layers and other layers for stacking and placing a product are stacked in the accommodating space, if corrugated boards with a certain number of corrugated boards with one specification exist on the product, the corrugated boards with one specification can be respectively stored in different feeding components 32, the first baffle plate 322 is disposed above the first conveyor 321, and a first discharge gap 321 is provided between the first baffle plate 322 and the first baffle plate 321, and the first baffle plate 322 is connected with the first conveyor 325 through the first conveyor belt 321, and the first gap 325 is further driven by the first conveyor 325, and the first gap 325 is further driven by the first device 325, and the first device is connected with the first gap 325.

Since different second corrugated boards a2 may have different hollow cavities, a larger number of second feeding devices 3 are needed, in order to solve this problem, as shown in fig. 4, preferably, a plurality of third feeding devices 6 are arranged on the third frame 41, the third feeding devices 6 are provided with discharge holes 610, the discharge holes 610 of the third feeding devices 6 are located above the conveying channels 410, the control device 1 is connected with the third feeding devices 6, the structure of the third feeding devices 6 adopts the same structure as that of the second feeding devices 3, only the positions of the first discharge slots 324 are located above the conveying channels 410, and the control device 1 controls the discharge sequence of the corrugated boards of the second feeding devices 3 and the third feeding devices 6, so that each corrugated board is conveyed backwards in the conveying channels 410 according to the preset sequence.

As shown in fig. 6, the workbench 5 includes a fourth conveyor belt 25, an input end of the fourth conveyor belt 25 is disposed corresponding to an output end of the first feeding device 2, and a working area 50 of the fourth conveyor belt 25 is disposed on an upper surface of the fourth conveyor belt 25.

As shown in fig. 6, the table 5 is provided with a limiting plate 232 capable of moving to the upper surface of the fourth conveyor belt 25 to block the backward conveyance of the sheet material, and when the limiting plate 232 moves to the upper surface of the fourth conveyor belt 25, the limiting plate 232 is located at the rear edge of the working area 50 in the conveying direction of the fourth conveyor belt 25.

As shown in fig. 6, at least two fourth conveyor belts 25 are provided, the limiting plate 232 is disposed below the upper surface of the fourth conveyor belts 25, the limiting plate 232 is provided with a blocking portion 233 capable of penetrating out from a gap between two adjacent fourth conveyor belts 25, and the workbench 5 is provided with a fourth driving device 261 connected with the limiting plate 232 to push the limiting plate 232 to move towards the fourth conveyor belts 25.

As shown in fig. 6, the third frame 23 is provided with a plurality of fourth conveyor belts 25, the output end of the first feeding device 2 is connected with the input end of the fourth conveyor belts 25, so that corrugated boards output from the first feeding device 2 can be conveyed to the working area 50 through the fourth conveyor belts 25, the limiting plate 232 moves to the upper side of the fourth conveyor belts 25 to block the corrugated boards from continuing to be conveyed backwards, so that the corrugated boards conveyed to the working area 50 are left in the working area 50 until all corrugated boards reach the working area 50 and are stacked, and all corrugated boards are already bonded and connected.

As shown in fig. 9, the centralized glue device 4 includes a third frame 41, a third conveyor 411 is disposed on the third frame 41, at least two guide plates 412 are disposed on an upper surface of the third conveyor 411, a feeding channel 410 for transporting corrugated boards is enclosed between the two guide plates 412, an output end of the second feeding device 3 is disposed corresponding to an input end of the third conveyor 411, and an outlet of the feeding channel 410 is aligned with the working area 50, so that corrugated boards outputted from an outlet of the feeding channel 410 can reach the working area 50 after passing through the centralized glue device 4. Preferably, the two guide plates 412 are provided with straight guiding-out plate sections 413 at one end of the output end of the conveying channel 410, and the guiding-out plate sections 413 of the two guide plates 412 are arranged in parallel, so that the corrugated boards passing through the conveying channel 410 can be orderly output only by the fact that the distance between the two guiding-out plate sections 413 is consistent with the width dimension of the corrugated boards.

As shown in fig. 10 and 11, the centralized glue device 4 further includes a glue assembly 42 disposed on the output side of the third conveyor 411, the glue assembly 42 includes a glue stick 421 and a pressing stick 422, the glue stick 421 and the pressing stick 422 leave a glue gap 420 aligned with the upper surface of the third conveyor 411, an adhesive is attached to a side surface of the glue stick 421, and at least one of the glue stick 422 and the glue stick 421 is connected with a third driving device 423 for driving them to rotate.

The manufacturing method of the processing device for manufacturing the packaging structure by using the multilayer corrugated board comprises the following steps:

and step A, the first feeding device 2 outputs the first corrugated board a1 to the shaping working area 201 of the workbench 5.

In detail, as shown in fig. 4 and 5, the control device 1 controls the second driving device 215 to act, so as to push the second conveyor belt 211 to act and push the first corrugated board a1 positioned at the bottom layer out of the second discharging gap 214 to the shaping work area 201, and the guide roller assembly 102 and the fourth conveyor belt 25 can assist in transporting the first corrugated board to the shaping work area 201.

And step B, the second feeding device 3 outputs a second corrugated board a2 to the centralized gluing device 4.

As shown in fig. 8 and 9, each feeding assembly 32 may be used to output the second corrugated cardboards a2 with the same or different shapes, that is, may output different kinds of sheet materials in the hollow cavity, and the control device 1 may output the second corrugated cardboards a2 according to a preset sequence by controlling the action sequence of the first driving device 325 of each feeding assembly 32, where the second corrugated cardboards a2 are sequentially output onto the third conveyor 411 according to the sequence.

And C, the concentrated gluing device 4 glues the second corrugated boards a2 one by one and then outputs the glued second corrugated boards a2 to the shaping working area 201 of the workbench 5.

In detail, as shown in fig. 10 and 11, the third conveyor 411 discharges the second corrugated cardboard a2 thereon from the outlet of the feeding path 410, and then the second corrugated cardboard a2 passes through the adhesive slit 420, the second corrugated cardboard a2 is adhered with an adhesive, and then the second corrugated cardboard a2 is transported to the reforming work area 201 and stacked with the first corrugated cardboard a1.

And D, the workbench 5 aligns and bonds the stacked sheet materials of the first corrugated board a1 and the second corrugated board a2, and after the first corrugated board a1 and the second corrugated board a2 are sequentially stacked and bonded, the hollow grooves a21 of the second corrugated boards a2 form a cavity for accommodating articles.

In detail, as shown in fig. 5, 7 and 8, the control device 1 controls the third driving device 237 and the fourth driving device 239 to be operated so that the second push plate 238 and the first push plate 235 are moved toward the first limit plate 231 and the first limit plate 231, respectively, to thereby align the stacked sheet-like materials in order while being coated with an adhesive therebetween.

It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. The utility model provides a processingequipment of packaging structure is made to multilayer corrugated container board which characterized in that: including controlling means (1), can export first loading attachment (2) of corrugated container board of product bottom, be connected with workstation (5) of first loading attachment (2) output, be used for with the corrugated container board of other layers of product output in proper order second loading attachment (3), be connected and then with the concentrated viscose device (4) of the corrugated container board viscose of its output with second loading attachment (3) output, be equipped with working area (50) on workstation (5), the output of first loading attachment (2) and concentrated viscose device (4) all connect working area (50), controlling means (1) are connected with first loading attachment (2) and second loading attachment (3) respectively, and then control corrugated container board that second loading attachment (3) output behind workstation (5) is through concentrated viscose device (4) back in proper order to send working area (50) for each layer corrugated container board stacks gradually in working area (50).

2. The processing device for manufacturing a packaging structure from a plurality of layers of corrugated boards according to claim 1, wherein: the second loading attachment (3) including first frame (31), be equipped with at least one material loading subassembly (32) on first frame (31), material loading subassembly (32) including first conveyer belt (321), first conveyer belt (321) both sides all are equipped with first side shield (323), the output side of first conveyer belt (321) is equipped with first baffle (322), the accommodation space that is used for piling up and depositing corrugated container board is enclosed to upper surface and first side shield (323), first baffle (322) set up in first conveyer belt (321) top and leave first ejection of compact gap (324) that supplies a corrugated container board to pass through between the two, first conveyer belt (321) are connected with drive first conveyer belt (321) action and then follow first drive arrangement (325) that first ejection of compact gap (324) were released to the cardboard that will be located the bottom, first drive arrangement (325) of every material loading subassembly (32) all are connected with controlling means (1).

3. The processing device for manufacturing a packaging structure from a plurality of layers of corrugated boards according to claim 1, wherein: the first feeding device (2) comprises a second rack (21), a second conveying belt (211) is arranged on the second rack (21), a second baffle plate (212) is arranged on the output side of the second conveying belt (211), second side baffle plates (213) are arranged on two sides of the second conveying belt (211), an accommodating space for stacking and storing corrugated boards is formed by the upper surface of the second conveying belt (211), the second baffle plates (212) are arranged above the second conveying belt (211) and a second discharging gap (214) for a corrugated board to pass through is reserved between the second baffle plates, the second conveying belt (211) is connected with a second driving device (215) for driving the second conveying belt (211) to act so as to push out the corrugated board located at the bottommost layer from the second discharging gap (214), and the control device (1) is connected with the second driving device (215) and controls the action of the second driving device (215).

4. The processing device for manufacturing a packaging structure from a plurality of layers of corrugated boards according to claim 1, wherein: the centralized viscose device (4) comprises a third rack (41), a third conveyor belt (411) and guide plates (412) arranged on the upper side of the conveyor belt (411) are arranged on the third rack (41), at least two guide plates (412) are arranged on the upper surface of the third conveyor belt (411), the distance between the two guide plates (412) is gradually reduced along the conveying direction of the third conveyor belt (411), a conveying channel (410) for conveying corrugated boards along the conveying direction of the third conveyor belt (411) is formed by the upper surfaces of the two guide plates (412) and the third conveyor belt (411), the output end of the second feeding device (3) and the input end of the third conveyor belt (411) are correspondingly arranged, and the output end of the conveying channel (410) is correspondingly arranged with the working area (50).

5. The processing device for manufacturing a packaging structure from a plurality of layers of corrugated boards according to claim 4, wherein: the novel feeding device is characterized in that a plurality of third feeding devices (6) are arranged on the third frame (41), the third feeding devices (6) are provided with discharge holes (610), the discharge holes (610) of the third feeding devices (6) are located above the conveying channels (410), and the control device (1) is connected with the third feeding devices (6).

6. The processing device for manufacturing a packaging structure from a plurality of layers of corrugated boards according to claim 1, wherein: the centralized adhesive device (4) also comprises an adhesive assembly (42) arranged on the output side of the third conveyor belt (411), the adhesive assembly (42) comprises an adhesive rod (421) and an adhesive pressing rod (422), an adhesive gap (420) aligned with the upper surface of the third conveyor belt (411) is reserved between the adhesive rod (421) and the adhesive pressing rod (422), an adhesive is attached to the side surface of the adhesive rod (421), and at least one of the adhesive pressing rod (422) and the adhesive rod (421) is connected with a third driving device (423) for driving the adhesive rod (422) and the adhesive rod (421) to rotate.

7. The processing device for manufacturing a packaging structure from a plurality of layers of corrugated boards according to claim 1, wherein: the workbench (5) comprises a fourth conveying belt (25), the input end of the fourth conveying belt (25) is arranged corresponding to the output end of the first feeding device (2), and a working area (50) of the fourth conveying belt (25) is arranged on the upper surface of the fourth conveying belt (25).

8. The processing device for manufacturing a packaging structure from a plurality of layers of corrugated board according to claim 7, wherein: the workbench (5) is provided with a limiting plate (232) capable of moving to the upper surface of the fourth conveyor belt (25) so as to prevent the sheet-mounted material from being conveyed backwards, and when the limiting plate (232) moves to the upper surface of the fourth conveyor belt (25), the limiting plate (232) is positioned at the rear side edge of the working area (50) in the conveying direction of the fourth conveyor belt (25).

9. The processing device for manufacturing a packaging structure from a plurality of layers of corrugated board according to claim 8, wherein: the utility model discloses a conveyer belt, including fourth conveyer belt (25) and limiting plate (232), fourth conveyer belt (25) be provided with two at least, limiting plate (232) set up in the below of fourth conveyer belt (25) upper surface, be equipped with on limiting plate (232) can follow check portion (233) that clearance between two adjacent fourth conveyer belts (25) was worn out, workstation (5) on be equipped with and be connected and then promote fourth drive arrangement (261) that limiting plate (232) moved towards fourth conveyer belt (25) with limiting plate (232).

10. The processing device for manufacturing a packaging structure from a plurality of layers of corrugated boards according to claim 4, wherein: one end of the two guide plates (412) positioned at the output end of the conveying channel (410) is provided with a straight guiding-out plate section (413), and the guiding-out plate sections (413) of the two guide plates (412) are arranged in parallel.