CN114889213A

CN114889213A - Production process of high-strength corrugated carton

Info

Publication number: CN114889213A
Application number: CN202210530521.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Suzhou Langxu Zhiyuan Technology Co ltd
Current assignee: Suzhou Langxu Zhiyuan Technology Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-08-12

Abstract

The invention discloses a production process of a high-strength corrugated case, which belongs to the technical field of corrugated case production, and comprises the following specific steps: the method comprises the following steps: producing a paperboard main body, an upper paper layer and a bottom board layer with corresponding sizes according to the corrugated carton; step two: the paperboard main body, the upper paper layer and the bottom board layer are adhered and combined by matching with a sealing rubber strip; step three: the paper board is properly pressed by a paper pressing machine, folding traces are pressed at different positions, and then the paper board is folded to form the shape of the paper box; according to the invention, when the corrugated board is required to be bound, the top of the corrugated board is pressed by the U-shaped forming frame and the pressing mechanism in cooperation with the bending mechanism, and the corrugated board is folded by the bending mechanism from two sections of the bottom, so that the phenomenon that the corrugated board is automatically bent along the indentation of the corrugated board when being folded is avoided, the processing efficiency is improved, and the corrugated board can be conveniently and quickly bent and formed.

Description

Production process of high-strength corrugated carton

Technical Field

The invention relates to the technical field of corrugated carton production, in particular to a production process of a high-strength corrugated carton.

Background

Corrugated cartons are rigid paper containers made of corrugated cardboard and are a main material for commodity transportation and packaging. The corrugated paper box is made of corrugated paper boards through die cutting, indentation, box nailing or box gluing, and has the advantages of light weight, low price, large-scale production, small storage space before use, and capability of printing various patterns, thereby being widely applied to packaging and transportation of finished products.

In the prior art, the corrugated case needs to be bound and formed in the process of producing the corrugated case, but before binding, the corrugated board can be firstly indented by an indenter, when the indented corrugated board is bound and turned over, the two-section bent part is easily contacted with the adjacent corrugated board before the U-shaped contact is not formed in advance, secondary folding is formed, and the butt joint of the tail ends of the corrugated board is influenced.

Based on the above, the invention designs a production process of a high-strength corrugated carton to solve the above problems.

Disclosure of Invention

The invention aims to provide a production process of a high-strength corrugated case, and aims to solve the problems that in the prior art, the corrugated case needs to be bound and formed in the process of producing the corrugated case, but before binding, a corrugated board is firstly pressed by a pressing machine, and when the pressed corrugated board is bound and turned over, the bent part of two sections is easy to contact with the adjacent corrugated board before U-shaped contact is formed, secondary folding is formed, and the butt joint of the tail ends of the corrugated boards is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: a production process of a high-strength corrugated case comprises the following specific steps:

the method comprises the following steps: producing a paperboard main body, an upper paper layer and a bottom board layer with corresponding sizes according to the corrugated carton;

step two: matching with a sealing rubber strip to perform adhesion combination on the paperboard main body, the upper paper layer and the bottom board layer;

step three: the paper board is properly pressed by a paper pressing machine, folding traces are pressed at different positions, and then the paper board is folded to form the shape of the paper box;

step four: folding the corrugated board by using a binding device, and binding the corrugated board at the folded junction to form a corrugated carton;

wherein, the binding device in the fourth step comprises a fixed bottom plate, the top of the fixed bottom plate is fixedly connected with a placing plate through a plurality of support columns, the placing plate is used for placing the corrugated board, the top of the placing plate is provided with a U-shaped forming frame, the U-shaped forming frame is used for pressing one surface of the middle part of the top of the corrugated board, the middle part of the placing plate is provided with a bending mechanism for pushing the corrugated board from the left side and the right side of the U-shaped forming frame to bend, the bending mechanism bends the corrugated board close to the U-shaped forming frame firstly when the corrugated board is bent, and bends the corrugated board at a far position for two sections, the left side wall of the U-shaped forming frame is connected with a pressing mechanism for pressing the left corrugated box downwards, the pressing mechanism synchronously bends the pressing mechanism when the bending mechanism bends the corrugated box, the top of the fixed bottom plate is connected with a pushing mechanism for driving the U-shaped forming frame to move back and forth, a binding mechanism for binding the folded corrugated board is arranged on the right side of the U-shaped forming frame;

the bending mechanism comprises four first placing plates, the four first placing plates are distributed on the left side and the right side of the U-shaped forming frame in a group of two by two, the four first placing plates are all fixedly connected to the top of the fixed base plate, the four outer side walls of the first placing plates are all rotatably connected with first rotating rods, the outer surfaces of the first rotating rods are fixedly connected with bending frames, a first bending roller is jointly and rotatably connected between the two bending frames on the same side, the left first bending roller and the right first bending roller are respectively positioned on the left side and the right side of the U-shaped forming frame, the outer side walls of the two bending frames on the left side are respectively and rotatably connected with first swinging plates, a second bending roller is jointly and rotatably connected between the two first swinging plates on the same side, the second bending roller is positioned at the bottom of two sections of corrugated paper boards for bending, the top of the fixed base plate is connected with a driving mechanism for driving the two first bending rollers on the same side to synchronously rotate, the top of the fixed bottom plate is connected with a rotating mechanism for driving the second bending roller to bend synchronously;

the rotating mechanism comprises two second rotating rods, the second rotating rods are fixedly connected to the outer side wall of the first oscillating plate, a third gear is fixedly connected to the outer surface of each second rotating rod, two adjusting cylinders are fixedly connected to the top of the fixed bottom plate, arc-shaped toothed plates are fixedly connected to the top ends of the two adjusting cylinders, the centers of the arc-shaped toothed plates and the first rotating rods are overlapped as axes, and the arc-shaped toothed plates are meshed with the third gear;

the pressing mechanism comprises two first pressing plates, the two first pressing plates are rotationally connected to the left side wall of the U-shaped forming frame through first torsional springs, the first pressing plates are flush with the left side wall of the U-shaped forming frame when rotating to a vertical state, the top ends of the first pressing plates are flush with the top end of the U-shaped forming frame, the left ends of the two first pressing plates are rotationally connected with second pressing plates through second torsional springs, and the second pressing plates are used for pressing two sections of bent parts of the corrugated board;

the pushing mechanism comprises a protection plate, the protection plate is fixedly connected to the top of the placing plate through four L-shaped fixing frames, the protection plate is located above the U-shaped forming frame, a first fixing frame is fixedly connected to the inner side of the U-shaped forming frame, two second placing plates are fixedly connected to the bottom of the protection plate, a first lead screw is jointly and rotatably connected between the L-shaped fixing frame and the second protection plate on the rear side, the two first lead screws penetrate through the first fixing frame and are in threaded connection with the first fixing frame, a second motor is fixedly connected to the rear ends of the two first lead screws, and the second motor is fixedly connected to the side wall of the L-shaped fixing frame;

the binding mechanism comprises two L-shaped connecting frames, the two L-shaped connecting frames are fixedly connected to the right side wall of the protection plate, a second lead screw and a polished rod are connected between the two L-shaped connecting frames in a rotating mode, a sliding block is connected to the outer surface of the second lead screw in a threaded mode, the sliding block is sleeved on the polished rod, a third motor is fixedly connected to the front end of the lead screw, the third motor is fixedly connected to the side wall of the L-shaped connecting frames, a first electric cylinder is fixedly connected to the bottom of the sliding block, a second electric cylinder is fixedly connected to the bottom end of the first electric cylinder, and a binding head is fixedly connected to the left end of the second electric cylinder;

the top of the fixed bottom plate is provided with a conveyer belt, the conveyer belt is positioned in the middle of the shelving plate, and the top of the conveyer belt is flush with the top of the shelving plate;

the driving mechanism comprises four driving motors, the four driving motors are fixedly connected to the top of the fixed base plate, and output shafts of the four driving motors are fixedly connected with the four first rotating rods.

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

1. according to the invention, when the corrugated board is required to be bound, the top of the corrugated board is pressed by the U-shaped forming frame and the pressing mechanism in cooperation with the bending mechanism, and the corrugated board is folded by the bending mechanism from two sections of the bottom, so that the phenomenon that the corrugated board is automatically bent along the indentation of the corrugated board when being folded is avoided, the processing efficiency is improved, and the corrugated board can be conveniently and quickly bent and formed.

2. When the corrugated board needs to be bent, the driving mechanism is started, the driving mechanism drives the left first rotating rod and the right first rotating rod to rotate oppositely, the bending frame and the first bending roller synchronously move towards the U-shaped forming frame, the corrugated boards on the left side and the right side of the U-shaped forming frame are folded, the U-shaped forming frame can well support the corrugated boards from the inside during bending, the corrugated boards are more stably formed, the left bending frame drives the second rotating rod and the third gear to synchronously rotate during bending, the third gear is meshed with the arc toothed plate, the third gear rotates during the bending movement of the first bending roller, the first swinging plate and the second bending roller are driven by the second rotating rod to synchronously bend, the bottom of the corrugated boards is always pressed by the pressing mechanism, the corrugated boards are prevented from being folded automatically during folding, and when the second bending roller rotates relative to the first bending roller, and when the first bending roller moves to a vertical position, the second bending roller bends the two sections of the corrugated board to the top of the U-shaped forming frame to complete the bending.

Drawings

Fig. 1 is a process flow chart of the production process of the high-strength corrugated carton of the present invention;

FIG. 2 is a first perspective view of the general construction of the present invention;

FIG. 3 is a second perspective view of the general construction of the present invention;

FIG. 4 is a third perspective view of the general construction of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4;

FIG. 6 is a bottom structure view of the shelving plate of the invention;

FIG. 7 is a schematic structural view of a bending mechanism of the present invention;

FIG. 8 is a schematic structural view of a U-shaped forming frame, a first pressing plate and a second pressing plate according to the present invention;

fig. 9 is a schematic view of a corrugated cardboard requiring folding according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a fixed bottom plate 1, a support column 2, a resting plate 3, a U-shaped forming frame 4, a first fixing plate 33, a second fixing plate 34, a first rotating rod 5, a bending frame 6, a first bending roller 7, a first swinging plate 8, a second bending roller 9, a second rotating rod 10, a third gear 11, an adjusting cylinder 12, an arc toothed plate 13, a first pressing plate 14, a first torsion spring 15, a second torsion spring 16, a second pressing plate 17, a protection plate 18, an L-shaped fixing frame 19, a first fixing frame 20, a first screw rod 21, a second motor 22, an L-shaped connecting frame 23, a second screw rod 24, a polished rod 25, a sliding block 26, a third motor 27, a first electric cylinder 28, a second electric cylinder 29, a binding head 30, a conveying belt 31 and a driving motor 32.

Detailed Description

Referring to fig. 1-9, the present invention provides a technical solution: a production process of a high-strength corrugated case comprises the following specific steps:

step two: the paperboard main body, the upper paper layer and the bottom board layer are adhered and combined by matching with a sealing rubber strip;

the four-step binding device comprises a fixed base plate 1, wherein the top of the fixed base plate 1 is fixedly connected with a placing plate 3 through a plurality of supporting columns 2, the placing plate 3 is used for placing corrugated boards, the top of the placing plate 3 is provided with a U-shaped forming frame 4, the U-shaped forming frame 4 is used for pressing one side of the middle part of the top of the corrugated boards, the middle part of the placing plate 3 is provided with a bending mechanism for pushing the corrugated boards from the left side and the right side of the U-shaped forming frame 4 to bend, the bending mechanism bends the corrugated boards close to the U-shaped forming frame 4 at first and bends the corrugated boards at far positions at second, the left side wall of the U-shaped forming frame 4 is connected with a pressing mechanism for pressing the corrugated boxes at the left side downwards, the pressing mechanism enables the pressing mechanism to bend synchronously when the corrugated boxes are bent by the bending machine, the top of the fixed base plate 1 is connected with a pushing mechanism for driving the U-shaped forming frame 4 to move back and forth, a binding mechanism for binding the folded corrugated board is arranged on the right side of the U-shaped forming frame 4;

when a corrugated carton needs to be bound, the corrugated board formed by indentation is placed at the top of the placing plate 3, then the pushing mechanism is started to drive the U-shaped forming frame 4 to move to the upper part of the corrugated board and press one surface of the corrugated board to avoid the deviation of the corrugated board during folding, after the U-shaped forming frame 4 moves in place, the pressing mechanism presses the top of the corrugated board at the left side from the top to avoid the automatic folding of the two sections of the corrugated board along the indentation during folding, then the bending mechanism is started to rotate from the left side and the right side of the bottom of the corrugated board to synchronously turn over the left side and the right side of the corrugated board, the bending mechanism rotates the corrugated board close to the left side and the right side of the U-shaped forming frame 4 to synchronously drive the pressing mechanism to rotate, so that the corrugated board forms a U shape firstly, and then in the process of continuously rotating and bending, the bending mechanism folds the two sections of the corrugated board again, seals the top of the U-shaped corrugated board, and synchronously bends the pressing mechanism, so that the corrugated board is folded back to form a corrugated case, the bending mechanism is convenient and quick, the bending is not needed by personnel, the folding forming is prevented from being influenced by the folding of the two sections of the corrugated board in the folding process, the processing efficiency is improved, when the corrugated board is folded back, the binding mechanism is started, the butting parts of the left end and the right end are automatically adjusted and bound by the binding mechanism to form a stable corrugated case, after the binding is finished, the pushing mechanism is reset to drive the U-shaped forming frame 4 to push out the corrugated case, the corrugated case is conveniently taken out and put into the corrugated board next time, and the production of the corrugated case is finished, thereby realizing that the top of the corrugated board is pressed by the U-shaped forming frame 4 and the pressing mechanism in cooperation with the bending mechanism when the corrugated board is bound each time, the bending mechanism folds the corrugated board from the bottom two sections, so that the phenomenon that the corrugated board is bent along the indentation of the corrugated board when the corrugated board is folded is avoided, the processing efficiency is improved, and the corrugated board can be bent and formed quickly.

As a further scheme of the invention, the bending mechanism comprises four first fixing plates 33, the four first fixing plates 33 are distributed on the left side and the right side of the U-shaped forming frame 4 in a group of two by two, and the four first fixing plates 33 are all fixedly connected to the top of the fixing base plate 1, the outer side walls of the four first fixing plates 33 are all rotatably connected with first rotating rods 5, the outer surfaces of the first rotating rods 5 are fixedly connected with bending frames 6, first bending rollers 7 are jointly and rotatably connected between the two bending frames 6 on the same side, the left first bending rollers 7 and the right first bending rollers 7 are respectively positioned on the left side and the right side of the U-shaped forming frame 4, the outer side walls of the two bending frames 6 on the left side are both rotatably connected with first swinging plates 8, a second bending roller 9 is jointly and rotatably connected between the two first swinging plates 8 on the same side, the second bending roller 9 is positioned at the bottom of the two sections of the corrugated boards, the top of the fixing base plate 1 is connected with a driving mechanism for driving the two first bending rollers 7 on the same side to synchronously rotate, the top of the fixed bottom plate 1 is connected with a rotating mechanism for driving the second bending roller 9 to bend synchronously;

the rotating mechanism comprises two second rotating rods 10, the second rotating rods 10 are fixedly connected to the outer side wall of the first oscillating plate 8, a third gear 11 is fixedly connected to the outer surface of each second rotating rod 10, two adjusting cylinders 12 are fixedly connected to the top of the fixed bottom plate 1, arc-shaped toothed plates 13 are fixedly connected to the top ends of the two adjusting cylinders 12, the centers of the arc-shaped toothed plates 13 and the first rotating rods 5 coincide as axes, and the arc-shaped toothed plates 13 are meshed with the third gears 11;

when the corrugated board folding machine works, corrugated boards need to be bent for one time and two times, when the corrugated boards need to be bent, the driving mechanism is started, the driving mechanism drives the left first rotating rod 5 and the right first rotating rod 5 to rotate oppositely, so that the bending frame 6 and the first bending roller 7 synchronously move towards the U-shaped forming frame 4, the corrugated boards on the left side and the right side of the U-shaped forming frame 4 are folded, the U-shaped forming frame 4 can well support the corrugated boards from the inside during bending, the corrugated boards are more stably formed, the bending frame 6 on the left side drives the second rotating rod 10 and the third gear 11 to synchronously rotate during bending, the third gear 11 is meshed with the arc-shaped toothed plate 13, when the first bending roller 7 bends and moves, the third gear 11 rotates, the first swinging plate 8 and the second bending roller 9 are driven by the second rotating rod 10 to synchronously bend, the bottoms of the corrugated boards are always pressed by the pressing mechanism, the corrugated board is prevented from being folded by itself when being folded, when the second bending roller 9 rotates relative to the first bending roller 7, the two sections of the corrugated board are folded, the pressing mechanism synchronous part is bent, and when the first bending roller 7 moves to the vertical position, the second bending roller 9 bends the two sections of the corrugated board to the top of the U-shaped forming frame 4, so that the bending is completed.

As a further scheme of the invention, the pressing mechanism comprises two first pressing plates 14, the two first pressing plates 14 are rotatably connected to the left side wall of the U-shaped forming frame 4 through first torsion springs 15, the first pressing plates 14 are flush with the left side wall of the U-shaped forming frame 4 when rotating to a vertical state, the top ends of the first pressing plates 14 are flush with the top end of the U-shaped forming frame 4, the left ends of the two first pressing plates 14 are both rotatably connected with second pressing plates 17 through second torsion springs 16, and the second pressing plates 17 are used for pressing two sections of bent parts of the corrugated board; the first pressing plate 14 and the second pressing plate 17 are respectively pressed on the top of the corrugated board through the first torsion spring 15 and the second torsion spring 16, the corrugated board is prevented from being folded by itself, the second pressing plate 17 and the first pressing plate 14 can rotate by itself when the bending mechanism bends, and the corrugated board is pressed all the time in the bending process.

As a further scheme of the invention, the pushing mechanism comprises a protection plate 18, the protection plate 18 is fixedly connected to the top of the placing plate 3 through four L-shaped fixing frames 19, the protection plate 18 is positioned above the U-shaped forming frame 4, the inner side of the U-shaped forming frame 4 is fixedly connected with a first fixing frame 20, the bottom of the protection plate 18 is fixedly connected with two second fixing plates 34, a first screw 21 is jointly and rotatably connected between the L-shaped fixing frame 19 and the second fixing plates 34 at the rear side, the two first screw 21 penetrate through the first fixing frame 20 and are in threaded connection with the first fixing frame, the rear ends of the two first screw 21 are fixedly connected with a second motor 22, and the second motor 22 is fixedly connected to the side wall of the L-shaped fixing frame 19; during operation, because after folding the completion, corrugated box forms sealedly, U type shaping frame 4 hinders easily to take out fold forming's corrugated box, through when bending at every turn or after the completion of bending, when needing to drive U type shaping frame 4 and remove, two second motors 22 of synchronous start, second motor 22 drives first lead screw 21 synchronous rotation, drives first mount 20 and U type shaping frame 4 and carries out the back-and-forth movement, takes U type shaping frame 4 out, conveniently bends and takes out corrugated box.

As a further scheme of the invention, the binding mechanism comprises two L-shaped connecting frames 23, the two L-shaped connecting frames 23 are both fixedly connected to the right side wall of the protection plate 18, a second screw rod 24 and a polish rod 25 are jointly and rotatably connected between the two L-shaped connecting frames 23, a sliding block 26 is in threaded connection with the outer surface of the second screw rod 24, the sliding block 26 is sleeved on the polish rod 25, a third motor 27 is fixedly connected to the front end of the screw rod, the third motor 27 is fixedly connected to the side wall of the L-shaped connecting frame 23, a first electric cylinder 28 is fixedly connected to the bottom of the sliding block 26, a second electric cylinder 29 is fixedly connected to the bottom of the first electric cylinder 28, and a binding head 30 is fixedly connected to the left end of the second electric cylinder 29; in operation, after the corrugated cardboard is folded, the folded corrugated cardboard needs to be bound in time, the binding head 30 is moved to a proper binding position by starting the first electric cylinder 28 and the second electric cylinder 29, then the third motor 27 is started to drive the second screw rod 24 to drive the sliding block 26 to move back and forth along the polish rod 25, so that the binding head 30 moves along the butt joint position of the corrugated cardboard, and the butt joint position of the corrugated cardboard box is bound and fastened conveniently and quickly.

As a further scheme of the invention, a conveying belt 31 is arranged at the top of the fixed bottom plate 1, the conveying belt 31 is positioned in the middle of the resting plate 3, and the top of the conveying belt 31 is flush with the top of the resting plate 3; during operation, because bind the back of accomplishing, need take out corrugated box, and guard plate 18 and L type support frame 33 block around corrugated box and top, are difficult for taking out corrugated box, through at every turn folding the completion after, confirm conveyer belt 31, conveyer belt 31 will bend the corrugated box of accomplishing and see off convenient and fast from the left side.

As a further scheme of the present invention, the driving mechanism includes four driving motors 32, the four driving motors 32 are all fixedly connected to the top of the fixed base plate 1, and output shafts of the four driving motors 32 are fixedly connected to the four first rotating rods 5; during operation, as the two first bending rollers 7 are required to be driven to be close to the folded corrugated board oppositely, the two driving motors 32 at the same side drive the first rotating rod 5 and the bending frame 6 to rotate inwards in the same direction by starting the driving motors 32, so that the first bending rollers 7 at the left side and the right side are driven to bend the corrugated board inwards, and the synchronous bending effect on the corrugated board is ensured.

Claims

1. A production process of a high-strength corrugated case is characterized by comprising the following steps: the production process comprises the following specific steps:

wherein, the binding device comprises a fixed bottom plate (1), the top of the fixed bottom plate (1) is fixedly connected with a placing plate (3) through a plurality of supporting columns (2), the placing plate (3) is used for placing corrugated boards, the top of the placing plate (3) is provided with a U-shaped forming frame (4), the U-shaped forming frame (4) is used for pressing one side of the middle part of the top of the corrugated boards, the middle part of the placing plate (3) is provided with a bending mechanism used for pushing the corrugated boards from the left side and the right side of the U-shaped forming frame (4) to bend, the bending mechanism bends the corrugated boards close to the U-shaped forming frame (4) firstly when bending the corrugated boards, and bends the corrugated boards at far positions in two sections, the left side wall of the U-shaped forming frame (4) is connected with a pressing mechanism used for pressing the left corrugated boxes downwards, and the pressing mechanism enables the pressing mechanism to bend synchronously when the corrugated boxes are bent by the bending mechanism, the top of the fixed base plate (1) is connected with a pushing mechanism for driving the U-shaped forming frame (4) to move back and forth, and the right side of the U-shaped forming frame (4) is provided with a binding mechanism for binding the folded corrugated board.

2. The process for producing a high-strength corrugated box according to claim 1, wherein: the bending mechanism comprises four first fixing plates 33, the four first fixing plates 33 are distributed on the left side and the right side of a U-shaped forming frame (4) in a pairwise manner, the four first fixing plates 33 are fixedly connected to the top of a fixing base plate (1), the four outer side walls of the first fixing plates 33 are rotatably connected with first rotating rods (5), the outer surfaces of the first rotating rods (5) are fixedly connected with bending frames (6), two bending frames (6) on the same side are rotatably connected with first bending rollers (7) together, the left bending rollers (7) and the right bending rollers (7) are respectively positioned on the left side and the right side of the U-shaped forming frame (4), the outer side walls of the two bending frames (6) on the left side are rotatably connected with first swinging plates (8) respectively, two first swinging plates (8) on the same side are rotatably connected with second bending rollers (9) together, and the first bending rollers (9) are positioned at the bottom of two-section bending of the corrugated board, the top of the fixed base plate (1) is connected with a driving mechanism which is used for driving two first bending rollers (7) at the same side to synchronously rotate, and the top of the fixed base plate (1) is connected with a rotating mechanism which is used for driving a second bending roller (9) to synchronously bend.

3. The process for producing a high-strength corrugated box according to claim 2, wherein: slewing mechanism includes two second bull sticks (10), second bull stick (10) fixed connection is on first swinging board (8) lateral wall, fixedly connected with third gear (11) on second bull stick (10) surface, two actuating cylinder (12) of PMKD (1) top fixedly connected with, two actuating cylinder (12) top equal fixedly connected with arc pinion rack (13), the center of arc pinion rack (13) and first bull stick (5) coincide for the axle center, arc pinion rack (13) mesh with third gear (11) mutually.

4. The process for producing a high-strength corrugated box according to claim 3, wherein: hold-down mechanism includes two first pressure strip (14), two first pressure strip (14) rotate through first torsional spring (15) and connect on the left side wall of U type shaping frame (4), first pressure strip (14) flush with U type shaping frame (4) left side wall when rotating to vertical state, and first pressure strip (14) top flushes with U type shaping frame (4) top, two first pressure strip (14) left end all rotates through second torsional spring (16) and is connected with second pressure strip (17), second pressure strip (17) are used for compressing tightly corrugated container board's two-section part of bending.

5. The process for producing a high-strength corrugated box according to claim 1, wherein: pushing mechanism includes guard plate (18), guard plate (18) are at the top of shelving board (3) through four L type mount (19) fixed connection, guard plate (18) are located the top of U type shaping frame (4), the first mount (20) of the inboard fixedly connected with of U type shaping frame (4), two second fixed plates (34) of guard plate (18) bottom fixedly connected with, the rear side rotate jointly between L type mount (19) and second fixed plate (34) and be connected with first lead screw (21), two first lead screw (21) all run through first mount (20) and rather than threaded connection, two the equal fixedly connected with second motor (22) in first lead screw (21) rear end, second motor (22) fixed connection is on the lateral wall of L type mount (19).

6. The process for producing a high-strength corrugated box according to claim 1, wherein: bind mechanism includes two L type link (23), two equal fixed connection of L type link (23) is on the right side wall of guard plate (18), two rotate jointly between L type link (23) and be connected with second lead screw (24) and polished rod (25), threaded connection has sliding block (26) on second lead screw (24) surface, sliding block (26) cover is established on polished rod (25), the front end fixedly connected with third motor (27) of lead screw, third motor (27) fixed connection is on L type link (23) lateral wall, first electric jar (28) of sliding block (26) bottom fixedly connected with, first electric jar (28) bottom fixedly connected with second electric jar (29), second electric jar (29) left end fixedly connected with binding head (30).

7. The process for producing a high-strength corrugated box according to claim 1, wherein: the top of the fixed bottom plate (1) is provided with a conveying belt (31), the conveying belt (31) is located in the middle of the placement plate (3), and the top of the conveying belt (31) is flush with the top of the placement plate (3).

8. The process for producing a high-strength corrugated box according to claim 2, wherein: the driving mechanism comprises four driving motors (32), the four driving motors (32) are fixedly connected to the top of the fixed base plate (1), and output shafts of the four driving motors (32) are fixedly connected with the four first rotating rods (5).