Four-folding-beam linkage line

Abstract

The utility model provides a four folding beam linkage line, including gluing pre-pressing module and receiving stacking module, gluing pre-pressing module includes frame 1, two gluing pre-pressing module group, receiving stacking module includes frame 2, two receiving stacking module group; the gluing pre-pressing module comprises paper folding mechanisms and gluing mechanisms arranged at the front ends of the paper folding mechanisms, and each paper folding mechanism comprises two folding beams which are oppositely arranged; the paper collecting and stacking module comprises a paper collecting mechanism and a stacking mechanism arranged on the rear side of the paper collecting mechanism, the paper collecting mechanism comprises two oppositely-arranged paper collecting conveying lines, and the folding beams are connected with the paper collecting conveying lines in a one-to-one correspondence mode; the first rack is provided with a first adjusting mechanism for adjusting the transverse position of each folding beam, and the second rack is provided with a second adjusting mechanism capable of adjusting the transverse position of each paper collecting conveying line. The four-folded-beam double-production line can produce two same products or two different products with different sizes in the width direction at the same time, so that the production efficiency is improved, and the equipment cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to carton manufacturing technical field, especially a four -fold beam linkage line. BACKGROUND

[0002] There are paper feeding, printing, slotting, die cutting, folding and box pasting processes in the carton printing linkage production line. The existing printing linkage production line is generally in the form of two-fold beam, and only one kind of carton can be produced at a time, which affects the production efficiency for mass production. If two production lines are introduced at the same time, not only the equipment cost is increased, but also the factory space is occupied. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a four -fold beam linkage line to overcome the deficiencies in the prior art.

[0004] To solve the above technical problems, the technical scheme of the utility model is: a four -fold beam linkage line, including gluing pre -press module and paper collecting and stacking module, the gluing pre -press module includes two groups of gluing pre -press module and two groups of gluing pre -press module are arranged on the rack one, and the paper collecting and stacking module includes two groups of paper collecting and stacking module and two groups of paper collecting and stacking module are arranged on the rack two, and the gluing pre -press module and the paper collecting and stacking module are set one -to -one correspondingly;The gluing pre -press module is used to fold the carton, and it includes a paper folding mechanism and a gluing mechanism arranged at the front end of the paper folding mechanism, and each paper folding mechanism includes two oppositely arranged folding beams;The paper collecting and stacking module is used to stack and convey the carton to the packaging device, and it includes a paper collecting mechanism and a stacking mechanism arranged at the rear side of the paper collecting mechanism, the paper collecting mechanism is arranged at the rear side of the paper folding mechanism, and it includes two oppositely arranged paper collecting and conveying lines, and each folding beam is connected with each paper collecting and conveying line one -to -one correspondingly;And the rack one is provided with adjusting mechanism one for adjusting the transverse position of each folding beam, and the adjusting mechanism one includes adjusting assembly one and adjusting assembly two, the adjusting assembly one can adjust the position of the two folding beams on the outer side, and the adjusting assembly two can adjust the position of the two folding beams on the inner side;The rack two is provided with adjusting mechanism two for adjusting the transverse position of each paper collecting and conveying line, and the adjusting mechanism two includes adjusting assembly three and adjusting assembly four, the adjusting assembly three can adjust the position of the two paper collecting and conveying lines on the outer side, and the adjusting assembly four can adjust the position of the two paper collecting and conveying lines on the inner side.

[0005] Furthermore, in the aforementioned four-fold beam linkage line, the two gluing mechanisms are located outside the two folding mechanisms. Each gluing mechanism includes a glue supply pump and a glue application assembly. The glue supply pump is mounted on the frame, with its input end connected to the glue supply tank via a glue hose, and its output end connected to the glue scraper box of the glue application assembly via a glue hose. The glue application assembly includes a roller plate, a roller, a lower glue roller, a glue scraper box, and an adjusting cylinder. The roller is located inside the roller plate and is rotatably connected to it via a drive assembly. The lower glue roller... Located below the roller, the adhesive scraper box, which works in conjunction with the roller to apply adhesive, covers the outside of one side of the roller and can store adhesive and scrape off the adhesive on the outside of the roller. The adjusting cylinder is located on the outside of the roller plate and is used to adjust the distance between the lower glue roller and the roller. Preferably, the output end of the adjusting cylinder is connected to one end of the lower glue roller connecting rod, and the other end of the lower glue roller connecting rod is rotatably connected to the roller plate. The middle part is provided with a wheel seat connected to the lower glue roller, and the roller plate is also provided with a sliding groove that mates with the wheel seat. The inner side of the roller plate is also provided with roller paper support rods and upper paper support rods arranged vertically opposite each other, and the front side of the roller paper support rods extends to the first end of the folding beam. A brush fixed on the folding beam is also provided in front of the roller plate. The glue application mechanism also includes two adjustment components five, which are symmetrically arranged. Each adjustment component five is used to adjust the distance between a glue application component and the folding mechanism. It includes a roller traverse screw, a motor, a roller slide, and a roller nut seat. A front lower crossbeam is provided on the lower side of the front end of the frame. The roller slide is located below the roller plate and is slidably connected to the slide rails located on the front and rear sides of the front lower crossbeam. The traverse screw is rotatably connected to the frame and connected to the drive motor located on the front lower crossbeam. A roller nut seat is provided in the middle of the lower part of the roller slide and is threadedly connected to the roller traverse screw.

[0006] Furthermore, in the aforementioned four-fold beam linkage line, the folding beams include an upper folding beam, a lower folding beam, and a lower differential belt. The upper folding beam includes an upper folding beam plate and an upper conveyor line disposed on the upper folding beam plate. The upper conveyor lines of the four folding beams are driven by the same drive assembly. A forming wheel set is provided on the outer rear end of the upper conveyor line. Below the forming wheel set is a forming rod extending from the front side of the indentation wheel set to the lower differential belt. The indentation wheel set is located on the outer side of the middle of the upper folding beam plate. The lower folding beam is located directly below the front side of the upper folding beam. A paper guide wheel set that cooperates with the upper conveyor line is provided at the top of its front end. A folding line bevel wheel set that cooperates with the indentation wheel set is provided behind the paper guide wheel set. The lower folding beam also has an intermediate paper guide wheel set that supports the folding line bevel wheel set and the forming wheel set. The lower differential belt is located directly below the rear side of the upper folding beam, and the lower differential belt of each folding beam is driven independently.

[0007] Further, the four folding beam linkage line described above, the rear end of the upper conveying line is internally provided with a suction pipe, the suction pipe extends from the end of the lower folding beam to the end of the upper conveying line, the bottom of the suction pipe is provided with a plurality of suction ports, and the suction ports are connected to the lower inner belt surface of the upper conveying line through the plurality of suction ports, and the upper end of the suction pipe is internally provided with a mounting hole connected to the suction box, and the suction boxes on the four folding beams are connected to the fan provided on the top of the rear side of the rack one through the connecting pipe.

[0008] Further, the four folding beam linkage line described above, the adjusting assembly one includes a front outer left upper lead screw, a front outer right upper lead screw, a front outer left lower lead screw, and a front outer right lower lead screw, the front outer left upper lead screw and the front outer right upper lead screw are symmetrically arranged on both sides of the front end of the rack one, one end of the front outer left upper lead screw is connected to the output end of the servo motor one, the other end is slidingly connected to the front corbel on the front side of the upper folding beam on the left outer side, a lead screw nut seat is arranged on the front corbel and is threadedly connected to the front outer left upper lead screw, the servo motor one is arranged on the front left wall plate on one side of the front end of the rack one, one end of the front outer right upper lead screw is connected to the output end of the servo motor two, the other end is slidingly connected to the front corbel on the front side of the upper folding beam on the right outer side, and the servo motor two is arranged on the front right wall plate on the other side of the front end of the rack one; the front outer left lower lead screw is arranged directly below the front outer left upper lead screw, one end of the front outer left lower lead screw is connected to the servo motor one through a speed reducer, a transmission shaft, and a coupling, and is synchronous with the front outer left upper lead screw, the other end is slidingly connected to the lower sliding seat arranged below the lower folding beam on the left outer side, and a lead screw nut seat is arranged below the lower sliding seat and is threadedly connected to the front outer left lower lead screw; the front outer right lower lead screw is arranged directly below the front outer right upper lead screw, one end of the front outer right lower lead screw is connected to the servo motor two through a speed reducer, a transmission shaft, and a coupling, and is synchronous with the front outer right upper lead screw, the other end is slidingly connected to the lower sliding seat arranged below the lower folding beam on the right outer side, and the ends of the front outer left upper lead screw and the front outer right upper lead screw, the front outer left lower lead screw and the front outer right lower lead screw are connected through a bearing seat; a front upper cross beam is arranged between the front left wall plate and the front right wall plate, a front lower cross beam is arranged at the lower end of the front upper cross beam, the front corbel upper ends of the four upper folding beams are slidingly connected to the slide rails arranged on the front upper cross beam, and the lower sliding seats of the four lower folding beams are slidingly connected to the slide rails arranged on the front lower cross beam.

[0009] Further, the four-fold beam linkage line described above, the adjusting assembly one further comprises a rear outer left screw rod, a rear outer right screw rod, the rear outer left screw rod, the rear outer right screw rod are symmetrically arranged on both sides of the rear end of the rack one, and one end of the rear outer left screw rod is connected with the output end of the servo motor three, the other end is connected with the rear corbel on the rear side of the upper folding beam on the left outer side, the rear corbel is provided with a screw nut seat which is threadedly connected with the rear outer left screw rod, the servo motor three is arranged on the rear left wall plate on one side of the rear end of the rack one, one end of the rear outer right screw rod is connected with the output end of the servo motor four, the other end is connected with the rear corbel on the rear side of the upper folding beam on the right outer side, the servo motor four is arranged on the rear right wall plate on the other side of the rear end of the rack one; The rear side of the upper conveying line on the left outer side and the rear side of the upper conveying line on the right outer side are connected with the lower differential belt located below them respectively through the upper and lower connecting plates; The upper end between the rear left wall plate and the rear right wall plate is provided with a rear upper cross beam, and the lower end is provided with a rear lower cross beam, the rear corbel of the four upper folding beams is provided with a right-angle connecting part, the right-angle connecting part is slidably connected with the slide rail arranged at right angles on the rear upper cross beam, and the angle-shaped slide seat of the four lower differential belts is slidably connected with the slide rail arranged at right angles on the rear lower cross beam.

[0010] Further, the four-fold beam linkage line described above, the front end of the upper conveying line is provided with an adjusting assembly six for adjusting the thickness of the paper, the adjusting assembly six comprises an adjusting cylinder two, a cylinder joint and a front adjusting connecting rod, the adjusting cylinder two is fixed on the outer side of the upper folding beam plate, and the output end of the adjusting cylinder two is provided with a cylinder joint, one end of the front adjusting connecting rod is hingedly connected with the cylinder joint, the other end of the front adjusting connecting rod is connected with a front guide wheel arranged at the front end of the upper conveying line, and the end of the front adjusting connecting rod close to the front guide wheel is further rotatably connected with the upper folding beam plate through a fixed shaft seat; The outer side of the middle part of the upper folding beam is further provided with an adjusting assembly seven, the adjusting assembly seven adjusts the distance between the belt of the upper conveying line and the paper guide wheel group by driving the elastic pressure wheel group at the front end of the inner part of the upper conveying line to ascend and descend.

[0011] Further, the four-fold beam linkage line described above, the paper collecting conveying line comprises a paper collecting upper differential belt and a paper collecting lower differential belt, the paper collecting upper differential belt and the paper collecting lower differential belt are arranged in a corresponding manner and are connected through a C-shaped seat, and the paper collecting upper differential belts of the four paper collecting conveying lines are connected through the same drive assembly, and the paper collecting lower differential belts of the four paper collecting conveying lines are connected through the same drive assembly; The adjusting assembly three comprises a left lower screw rod and a right lower screw rod, the left lower screw rod and the right lower screw rod are symmetrically arranged on the lower side of the front end of the rack two, one end of the left lower screw rod is connected with the output end of the servo motor five, the other end is connected with the right lower screw rod through a bearing seat, the middle part is slidably connected with the paper collecting lower differential belt arranged on the left outer side, the paper collecting lower differential belt is provided with a screw nut seat which is threadedly connected with the left lower screw rod, one end of the right lower screw rod is connected with the output end of the servo motor six, and the middle part is slidably connected with the paper collecting lower differential belt arranged on the right outer side;

[0012] The adjusting assembly four includes a left upper lead screw and a right upper lead screw, which are symmetrically arranged at the front end of the second rack, the left lower lead screw is arranged above the left lower lead screw, one end of which is connected with the output end of the servo motor seven, the other end is connected with the right upper lead screw through a bearing seat, the middle part is slidably connected with the paper collecting upper differential belt arranged on the left inner side, the paper collecting upper differential belt is provided with a lead screw nut seat threadedly connected with the left upper lead screw, the right upper lead screw is arranged above the right lower lead screw, one end of which is connected with the output end of the servo motor eight, the middle part is slidably connected with the paper collecting upper differential belt arranged on the right inner side, the servo motor five and the servo motor seven are arranged on the paper collecting left wall plate on one side of the second rack, the servo motor six and the servo motor eight are arranged on the paper collecting right wall plate on the other side of the second rack, and the paper collecting left wall plate and the paper collecting right wall plate are provided with the paper collecting upper cross beam, the paper collecting middle cross beam and the paper collecting lower cross beam arranged from top to bottom, the paper collecting middle cross beam is provided with the slide rails slidably arranged with the four paper collecting upper differential belts on both sides, and the paper collecting lower cross beam is provided with the slide rails slidably arranged with the four paper collecting lower differential belts on both sides.

[0013] Further, the four-fold beam linkage line described above, the paper collecting mechanism further includes a pushing mechanism and a paper hitting mechanism, the pushing mechanism is arranged above the paper collecting conveying line, used for conveying the carton to the stacking mechanism, the paper hitting mechanism is arranged on the corresponding pushing mechanism, between the paper collecting conveying line and the pushing mechanism; the adjusting mechanism two further includes an adjusting assembly eight, the adjusting assembly eight can adjust the positions of the two pushing mechanisms, including the slide rails arranged on the paper collecting upper cross beam, two symmetrically arranged paper pushing lead screws, the outer side ends of the two paper pushing lead screws are respectively connected with a driving motor arranged on the paper collecting left wall plate and the paper collecting right wall plate, and the inner side ends are respectively connected with the sliding nut seats on the pushing mechanism, the pushing mechanism is arranged on the paper collecting upper cross beam and slidably connected with the slide rails arranged on the paper collecting upper cross beam.

[0014] Further, the four-fold beam linkage line described above, the stacking mechanism comprises a stacking mechanism, a discharge conveyor belt, a paper pressing conveyor belt, the stacking mechanism is connected with the paper collecting conveying line, and a plurality of small stacking conveying belts arranged transversely are arranged, the stacking mechanism is matched with the pushing mechanism and the paper hitting mechanism to stack the cartons on the paper collecting conveying line and push the cartons stacked to a set thickness to the discharge conveyor belt, the discharge conveyor belt is arranged on the rear side of the stacking mechanism, a plurality of small discharge conveying belts arranged transversely are arranged, the small discharge conveying belts are arranged one by one corresponding to the small stacking conveying belts, the paper pressing conveyor belt is arranged on a paper pressing frame and is located above the discharge conveyor belt, the paper pressing conveyor belt is matched with the discharge conveyor belt to convey the stacked cartons to a packaging device, and the paper pressing conveyor belts of the two stacking mechanisms are adjusted in position through the adjusting assembly nine arranged on the paper pressing frame. Preferably, the front side of the paper pressing conveyor belt is provided with a stop component, the stop component is used for stopping the upper part of the rear side of the stacked cartons when the cartons are stacked, the paper pushing rod of the pushing mechanism stops the upper part of the front side of the stacked cartons when the cartons are stacked, and the stacked cartons are prevented from falling down, the stop component comprises a rotary cylinder, a cylinder fixing seat, a rotary rod and a paper stopping rod, the rotary cylinder is fixed on one side of the cylinder fixing seat, the output end of the rotary cylinder is connected with one end of the rotary rod, the other end of the rotary rod is connected with the other side of the cylinder fixing seat through a bearing seat, the cylinder fixing seat is arranged on the paper pressing conveyor belt, and the paper stopping rod is at least one and is fixed on the rotary rod.

[0015] Compared with the prior art, the beneficial effects of the four-fold beam double production line are as follows: the four-fold beam double production line can produce two same products simultaneously and independently, can produce two different products with different width directions, improves the production efficiency, reduces the equipment occupied space, saves the equipment cost, is more flexible, and has a wider application range. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating labor.

[0017] Figure 1 The structure diagram of the four-fold beam linkage line of the present application Figure 1 ;

[0018] Figure 2 The upper glue pre-pressing module structure diagram of the four-fold beam linkage line of the present application

[0019] Figure 3 The beam folding structure diagram of the four-fold beam linkage line of the present application Figure 1 ;

[0020] Figure 4 The folding beam structure of the four folding beam linkage line of the utility model is shown schematically Figure 2 ;

[0021] Figure 5 The adjusting mechanism of the four folding beam linkage line of the utility model is shown schematically Figure 1 ;

[0022] Figure 6 The side view of Figure 5 ;

[0023] Figure 7 The adjusting mechanism of the four folding beam linkage line of the utility model is shown schematically Figure 2 ;

[0024] Figure 8 The upper glue applying mechanism of the four folding beam linkage line of the utility model is shown schematically Figure 1 ;

[0025] Figure 9 The upper glue applying mechanism of the four folding beam linkage line of the utility model is shown schematically Figure 2 ;

[0026] Figure 10 The paper collecting and stacking module structure of the four folding beam linkage line of the utility model is shown schematically

[0027] Figure 11 The paper collecting and stacking module side view of the four folding beam linkage line of the utility model is shown schematically

[0028] Figure 12 The paper collecting and stacking module of the four folding beam linkage line of the utility model is shown schematically

[0029] Figure 13 The stop component structure of the four folding beam linkage line of the utility model is shown schematically

[0030] In the figure: 100, upper glue applying and pre-pressing module; 200, paper collecting and stacking module

[0031] 1, frame one; 11, front left wallboard; 12, front right wallboard; 13, front upper cross beam; 14, front lower cross beam; 15, rear left wallboard; 16, rear right wallboard; 17, rear upper cross beam; 18, rear lower cross beam

[0032] 2, frame two; 21, paper collecting left wallboard; 22, paper collecting right wallboard; 23, paper collecting upper cross beam; 24, paper collecting middle cross beam; 25, paper collecting lower cross beam

[0033] 3, folding mechanism, folding beam; 31, upper folding beam; 311, upper conveying line; 312, upper folding beam plate; 313, forming wheel set; 314, forming rod; 315, indentation wheel set; 316, suction pipe; 317, suction box; 318, fan; 32, lower folding beam; 321, paper guide wheel set; 322, folding line bevel wheel set; 323, middle paper guide wheel set; 33, lower differential belt; 34, adjusting assembly six; 341, adjusting cylinder two; 342, cylinder joint; 343, front adjusting connecting rod; 344, front guide wheel; 345, fixed shaft seat; 35, adjusting assembly seven;

[0034] 4, gluing mechanism; 41, glue supply pump; 42, gluing assembly; 421, glue rolling vertical plate; 422, glue rolling wheel; 423, lower paste wheel; 424, glue scraping box; 425, adjusting cylinder; 426, lower paste wheel connecting rod; 427, wheel seat; 428, glue rolling paper supporting rod; 429, upper paper supporting rod; 43, adjusting assembly five; 431, glue rolling horizontal translation screw; 432, glue rolling sliding seat; 433, glue rolling nut seat;

[0035] 5, paper collecting mechanism; 51, paper collecting conveying line; 511, paper collecting upper differential belt; 512, paper collecting lower differential belt; 513, C-shaped seat; 52, pushing mechanism; 53, paper taking mechanism;

[0036] 6, stacking mechanism; 61, stacking mechanism; 611, small stacking conveying belt; 62, discharging conveying belt; 621, small discharging conveying belt; 63, paper pressing conveying belt; 631, paper pressing frame; 64, adjusting assembly nine; 65, stopper assembly; 651, rotary cylinder; 652, cylinder fixing seat; 653, rotary rod; 654, paper stopping rod;

[0037] 7, adjusting mechanism one; 71, adjusting assembly one; 711, front outer left upper screw; 712, front outer right upper screw; 713, front outer left lower screw; 714, front outer right lower screw; 715, front bracket; 716, speed reducer; 717, transmission shaft; 718, lower sliding seat; 721, rear outer left screw; 722, rear outer right screw; 723, rear bracket; 724, upper and lower connecting plate; 725, angular sliding seat; 73, adjusting assembly two;

[0038] 8, adjusting mechanism two; 81, adjusting assembly three; 811, left lower screw; 812, right lower screw; 82, adjusting assembly four; 821, left upper screw; 822, right upper screw; 83, adjusting assembly eight; 831, paper pushing screw. DETAILED DESCRIPTION

[0039] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0040] Example 1

[0041] like Figures 1-13 As shown, the system includes an adhesive pre-pressing module 100 and a paper receiving and palletizing module 200. The adhesive pre-pressing module 100 includes a frame 1 and two sets of adhesive pre-pressing modules arranged parallel to the frame 1. The paper receiving and palletizing module 200 includes a frame 2 and two sets of paper receiving and palletizing modules arranged parallel to the frame 2, with the adhesive pre-pressing modules and paper receiving and palletizing modules arranged in a one-to-one correspondence. The adhesive pre-pressing module is used to fold and form cartons, including a folding mechanism 3 and an adhesive mechanism 4 located at the front end of the folding mechanism 3. The folding mechanism 3 includes two opposing folding beams. The paper receiving and palletizing module is used to palletize and transport the cartons to the packaging device, including a receiving mechanism 5 and a palletizing mechanism 6 located behind the receiving mechanism 5. The receiving mechanism 5 is located behind the folding mechanism 3 and includes... Two oppositely arranged paper receiving conveyor lines 51 are provided, with each folding beam connected to each paper receiving conveyor line in a one-to-one correspondence. The frame 1 is equipped with an adjustment mechanism 7 for adjusting the lateral position of each folding beam. The adjustment mechanism 7 includes an adjustment component 71 and an adjustment component 73. The adjustment component 71 adjusts the position of the two outer folding beams, and the adjustment component 73 adjusts the position of the two inner folding beams. The frame 2 is equipped with an adjustment mechanism 8 for adjusting the lateral position of each paper receiving conveyor line 51. The adjustment mechanism 8 includes an adjustment component 81 and an adjustment component 82. The adjustment component 81 adjusts the position of the two outer paper receiving conveyor lines 51, and the adjustment component 82 adjusts the position of the two inner paper receiving conveyor lines 51. This utility model is a four-folding beam dual production line. The two production lines can operate simultaneously while maintaining independence. It can simultaneously produce two identical products or two different products with different dimensions in the width direction. This not only improves production efficiency but also reduces equipment space occupation, saves equipment costs, offers better flexibility, and has a wider range of applications.

[0042] like Figures 3-4 As shown, the folding beam includes an upper folding beam 31, a lower folding beam 32, and a lower differential belt 33. The lower folding beam 32 is located directly below the front side of the upper folding beam 31, and the lower differential belt 33 is located directly below the rear side of the upper folding beam 31.

[0043] Among them, such as Figures 3-6As shown, the adjusting assembly 71 includes a front outer left upper lead screw 711, a front outer right upper lead screw 712, a front outer left lower lead screw 713, and a front outer right lower lead screw 714. The front outer left upper lead screw 711 and the front outer right upper lead screw 712 are symmetrically arranged at the two sides of the front end of the rack 1. One end of the front outer left upper lead screw 711 is connected with the output end of the servo motor 1, and the other end is slidably connected with a front bracket 715 arranged on the front side of the upper folding beam 31 on the left outer side. A screw nut seat is arranged on the front bracket 715 and is threadedly connected with the front outer left upper lead screw 711. The servo motor 1 is arranged on the front left wall plate 11 on one side of the front end of the rack 1. One end of the front outer right upper lead screw 712 is connected with the output end of the servo motor 2, and the other end is slidably connected with the front bracket 715 arranged on the front side of the upper folding beam 31 on the right outer side. The servo motor 2 is arranged on the front right wall plate 12 on the other side of the front end of the rack 1. The front outer left lower lead screw 713 is arranged directly below the front outer left upper lead screw 711. One end of the front outer left lower lead screw 713 is connected with the servo motor 1 through a speed reducer 716, a transmission shaft 717, and a coupling, and is synchronous with the front outer left upper lead screw 711. The other end is slidably connected with a lower sliding seat 718 arranged below the lower folding beam 32 on the left outer side. A screw nut seat is arranged below the lower sliding seat 718 and is threadedly connected with the front outer left lower lead screw 713. The front outer right lower lead screw 714 is arranged directly below the front outer right upper lead screw 712. One end of the front outer right lower lead screw 714 is also connected with the servo motor 2 through the speed reducer 716, the transmission shaft 717, and the coupling, and is synchronous with the front outer right upper lead screw 712. The other end is slidably connected with the lower sliding seat 718 arranged below the lower folding beam 32 on the right outer side. The ends of the front outer left upper lead screw 711 and the front outer right upper lead screw 712, and the ends of the front outer left lower lead screw 713 and the front outer right lower lead screw 714 are connected through bearing seats, which play a role in supporting the middle part and making the rotation more stable. A front upper cross beam 13 is arranged between the front left wall plate 11 and the front right wall plate 12 at the upper end, and a front lower cross beam 14 is arranged at the lower end. The upper ends of the four front brackets 715 of the four upper folding beams 31 are slidably connected with the slide rails arranged on the front upper cross beam 13. The lower sliding seats 718 of the four lower folding beams 32 are slidably connected with the slide rails arranged on the front lower cross beam 14.

[0044] As Figures 3-4As shown in FIG. 7, the adjusting assembly one 71 further comprises a rear outer left screw rod 721 and a rear outer right screw rod 722, which are symmetrically arranged at both sides of the rear end of the rack one 1, and one end of the rear outer left screw rod 721 is connected with the output end of the servo motor three, and the other end is slidably connected with a rear corbel 723 arranged at the rear side of the upper folding beam 31 on the left outer side, and the rear corbel 723 is provided with a screw nut seat threadedly connected with the rear outer left screw rod 721, and the servo motor three is arranged on the rear left wall plate 15 at one side of the rear end of the rack one 1, and one end of the rear outer right screw rod 722 is connected with the output end of the servo motor four, and the other end is slidably connected with the rear corbel 723 arranged at the rear side of the upper folding beam 31 on the right outer side, and the servo motor four is arranged on the rear right wall plate 16 at the other side of the rear end of the rack one 1; the rear side of the upper conveying line 311 on the left outer side and the rear side of the upper conveying line 311 on the right outer side are respectively connected with the lower differential belt 33 located directly below through the upper and lower connecting plates 724, that is, when the servo motor three or the servo motor four is started, the upper folding beam 31 on the rear side and the lower differential belt 33 directly below can be simultaneously driven to move synchronously; the rear upper cross beam 17 is arranged between the upper ends of the rear left wall plate 15 and the rear right wall plate 16, and the rear lower cross beam 18 is arranged at the lower end, and the rear corbel 723 of the four upper folding beams 31 is provided with a right-angle connecting part, which is slidably connected with the slide rail arranged at the right angle on the rear upper cross beam 17, and the angle-shaped slide seat 725 of the four lower differential belts 32 is slidably connected with the slide rail arranged at the right angle on the rear lower cross beam 18. In the embodiment, the adjusting assembly two is similar to the adjusting assembly one, and will not be described in detail here.

[0045] When the positions of the folding beams need to be adjusted, the servo motor one and the servo motor three are synchronously started to drive the upper folding beam 31, the lower folding beam 32 and the lower differential belt 33 (folding beam) located on the left outer side to move synchronously, and the servo motor two and the servo motor four are synchronously started to drive the upper folding beam 31, the lower folding beam 32 and the lower differential belt 33 (folding beam) located on the right outer side to move synchronously. Then, the adjusting assembly two is started to drive the folding beams located on the left inner side and / or the folding beams located on the right inner side to move respectively, so as to adjust the distance between the two folding beams of each production line, and to be applicable to the production of cartons with different width sizes.

[0046] As shown in FIG. 6, the conveying line 31 comprises an upper differential belt 311 and a lower differential belt 312, and the upper differential belt 311 and the lower differential belt 312 are arranged in a one-to-one correspondence and are connected through a C-shaped seat 313. Figures 11-12 As shown in FIG. 6, the conveying line 31 comprises an upper differential belt 311 and a lower differential belt 312, and the upper differential belt 311 and the lower differential belt 312 are arranged in a one-to-one correspondence and are connected through a C-shaped seat 313.

[0047] Figures 10-12 ​As shown, the adjusting assembly three 81 includes left lower lead screw 811 and right lower lead screw 812, which are symmetrically arranged at the lower side of the front end of the second rack 2. One end of the left lower lead screw 811 is connected with the output end of the servo motor five, and the other end is connected with the right lower lead screw 812 through a bearing seat. The middle part of the left lower lead screw 811 is slidingly connected with the paper collecting lower differential belt 512 arranged on the left outer side. The paper collecting lower differential belt 512 is provided with a lead screw nut seat threadedly connected with the left lower lead screw 811. Correspondingly, the two paper collecting lower differential belts 512 arranged on the inner side are provided with through holes for the left lower lead screw 811 and the right lower lead screw 812 to pass through, and are not connected with the left lower lead screw 811 and the right lower lead screw 812. One end of the right lower lead screw 812 is connected with the output end of the servo motor six, and the middle part thereof is slidingly connected with the paper collecting lower differential belt 512 arranged on the right outer side.

[0048] As shown in the figure, Figures 10-12 The adjusting assembly four 82 includes left upper lead screw 821 and right upper lead screw 822, which are symmetrically arranged at the front end of the second rack 2. The left upper lead screw 821 is arranged directly above the left lower lead screw 811. One end of the left upper lead screw 821 is connected with the output end of the servo motor seven, and the other end is connected with the right upper lead screw 822 through a bearing seat. The middle part of the left upper lead screw 821 is slidingly connected with the paper collecting upper differential belt 511 arranged on the left inner side. The paper collecting upper differential belt 511 is provided with a lead screw nut seat threadedly connected with the left upper lead screw 821. Correspondingly, the two paper collecting upper differential belts 511 arranged on the outer side are provided with through holes for the left upper lead screw 821 and the right upper lead screw 822 to pass through, and are not connected with the left upper lead screw 821 and the right upper lead screw 822. The right upper lead screw 822 is arranged directly above the right lower lead screw 812. One end of the right upper lead screw 822 is connected with the output end of the servo motor eight, and the middle part thereof is slidingly connected with the paper collecting upper differential belt 511 arranged on the right inner side. The servo motor five and the servo motor seven are arranged on the paper collecting left wall plate 21 on one side of the second rack 2. The servo motor six and the servo motor eight are arranged on the paper collecting right wall plate 22 on the other side of the second rack 2. A paper collecting upper cross beam 23, a paper collecting middle cross beam 24 and a paper collecting lower cross beam 25 are sequentially arranged from top to bottom between the paper collecting left wall plate 21 and the paper collecting right wall plate 22. The paper collecting middle cross beam 24 is provided with sliding rails on both sides thereof, which are slidingly arranged with the four paper collecting upper differential belts 511. The paper collecting lower cross beam 25 is provided with sliding rails on both sides thereof, which are slidingly arranged with the four paper collecting lower differential belts 512.

[0049] Since the upper differential belt 511 and the lower differential belt 512 of the paper receiving system are connected by a C-type seat 513, when servo motor five starts, the paper receiving conveyor line 51 located on the left outer side moves along the lower left lead screw 811. Similarly, when servo motor six starts, the paper receiving conveyor line 51 located on the right outer side moves along the lower right lead screw 812. When servo motor seven starts, the paper receiving conveyor line 51 located on the left inner side moves along the upper left lead screw 821. When servo motor eight starts, the paper receiving conveyor line 51 located on the right inner side moves along the right lead screw 822. In summary, each paper receiving conveyor line can move independently, thereby allowing the paper receiving conveyor line to move to the corresponding position with the folding beam, thus making it suitable for the production of cartons of different widths.

[0050] Example 2

[0051] Based on the structure of Example 1, such as Figures 8-9 As shown, the two gluing mechanisms 4 are located outside the two folding mechanisms 3. Each gluing mechanism 4 includes a glue supply pump 41 and a glue application assembly 42. The glue supply pump 41 is mounted on the frame 1, with its input end connected to the glue supply tank via a glue hose, and its output end connected to the glue scraper box 424 of the glue application assembly 42 via a glue hose. The glue application assembly 42 includes a glue rolling plate 421, a glue rolling wheel 422, a lower glue roller 423, a glue scraper box 424, and an adjusting cylinder 425. The glue rolling wheel 422 is located inside the glue rolling plate 421 and is rotatably connected to the glue rolling plate 421 via a drive assembly. In this embodiment, the drive assembly... The synchronous belt drive assembly is driven by a motor. The lower gluing roller 423 is located below the roller 422 and works with the roller 422 to apply glue. The glue scraper box 424 covers the outside of one side of the roller 422 and can store glue. The roller 422 has multiple glue storage holes on its outer side. The glue scraper box can scrape off the glue flowing out of the glue storage holes of the roller 422. In addition, a glue receiving box is also provided below the lower gluing roller 243 to prevent residual glue from falling onto the equipment. The adjusting cylinder 425 is located on the outside of the roller 421 and is used to adjust the distance between the lower gluing roller 423 and the roller 422 to achieve the best gluing effect for different carton thicknesses. Specifically, the output end of the adjusting cylinder 425 is connected to one end of the lower gluing wheel connecting rod 426, and the other end of the lower gluing wheel connecting rod 426 is rotatably connected to the glue-rolling upright plate 421. A wheel seat 427 connected to the lower gluing wheel 423 is provided in the middle of the upright plate 421, and a sliding groove that mates with the wheel seat 427 is also provided on the upright plate 421. Inside the upright plate 421, there are also glue-rolling paper-supporting rods 428 and 429 arranged vertically opposite each other, with the front of the glue-rolling paper-supporting rod 428 extending to the first end of the folding beam. A brush fixed to the folding beam is also provided in front of the upright plate 421 to remove dust from the cardboard before gluing, improving the gluing effect. In this embodiment, the gluing mechanism adopts a fully automatic servo glue supply system, which automatically switches the glue supply amount according to the size of the cardboard and the conveying speed, resulting in a high degree of automation and good glue coating quality.

[0052] likeFigure 5 , 8 As shown in Figure 9, the gluing mechanism 4 also includes two adjusting components 43, which are symmetrically arranged. Each adjusting component 43 is used to adjust the distance between a gluing component 42 and the folding mechanism 4. Each component includes a gluing transverse lead screw 431, a motor, a gluing slide 432, and a gluing nut seat 433. A front lower crossbeam 14 is provided on the lower side of the front end of the frame 1. The gluing slide 432 is located below the gluing upright plate 421 and is slidably connected to the slide rails located on the front and rear sides of the front lower crossbeam 14. The transverse lead screw 241 is rotatably connected to the frame 1 and connected to the drive motor located on the front lower crossbeam 14. A gluing nut seat 433 is located in the middle of the lower part of the gluing slide 232, and the gluing nut seat 433 is threadedly connected to the gluing transverse lead screw 431. The distance between the gluing component and the folding mechanism is adjusted by the adjusting components 431, and the two adjusting components are independently set, thus allowing for different gluing positions, providing good flexibility and a wide range of applications.

[0053] like Figures 3-4 As shown, the upper folding beam 31 includes an upper folding beam plate 311 and an upper conveyor line 312 disposed on the upper folding beam plate 311. The upper conveyor lines 312 of the four folding beams are driven by the same drive assembly. A forming wheel set 313 is provided on the outer rear end of the upper conveyor line 312. A forming rod 314 extending from the front side of the indentation wheel set 315 to the lower differential belt 33 is provided below the forming wheel set 313. The indentation wheel set 315 is disposed on the outer side of the middle part of the upper folding beam plate 311. The top of the front end of the lower folding beam 32 is provided with a connection to the upper conveyor line 31. The lower folding beam 32 is equipped with two guide roller groups 321. Behind the guide roller group 321 is a folding bevel roller group 322 that cooperates with the creasing roller group 315. The lower folding beam 32 also has an intermediate guide roller group 323 that supports the folding bevel roller group 322 and the forming roller group 313. The intermediate guide roller group 323 is located at the cooperation position between the bevel roller group 322 and the creasing roller group 315, serving as a transition and support. Furthermore, the lower differential speed belt 33 of each folding beam uses an independent servo drive, allowing for individual adjustment and better control of the cardboard box's shear difference forming. During folding, the cardboard enters between the upper conveyor line and the lower folding beam, is coated with glue by the gluing mechanism, and then automatically glues and folds the cardboard through the cooperation of the guide roller group 321, forming rod 314, folding bevel roller group 322, intermediate guide roller group, and forming roller group 313, reducing shear difference and resulting in good forming quality.

[0054] In the above structure, such as Figure 3 , 7As shown, the rear end of the upper conveying line 311 is internally provided with a suction pipe 316 extending from the end of the lower folding beam 32 to the end of the upper conveying line 31, the bottom of the suction pipe 316 is provided with a plurality of suction ports, and the suction pipe 316 is connected to the lower side of the inner belt surface of the upper conveying line 311 through the plurality of suction ports, and the upper end of the suction pipe 316 is internally provided with a mounting hole connected to a suction box 317, and the four suction boxes 317 on the folding beams are connected to a fan 318 provided on the top rear side of the rack 1 through a connecting air pipe, and the suction air force is controlled through a control valve provided on the connecting air pipe, which can avoid slipping and displacement of the paperboard during folding and conveying, and improve the folding and forming quality.

[0055] As shown in Figures 3-4 The front end of the upper conveying line 311 is provided with an adjusting assembly six 34 for adjusting the paper thickness, which includes an adjusting cylinder two 341, a cylinder joint 342, and a front adjusting connecting rod 343. The adjusting cylinder two 341 is fixed outside the upper folding beam plate 312, and the output end is provided with a cylinder joint 342. One end of the front adjusting connecting rod 343 is hinged to the cylinder joint 342, and the other end is connected to a front guide wheel 344 provided at the front end of the upper conveying line 311. The end of the front adjusting connecting rod 343 close to the front guide wheel 344 is also rotatably connected to the upper folding beam plate 312 through a fixed shaft seat 345. The outer side of the middle part of the upper folding beam 31 is also provided with an adjusting assembly seven 35, which adjusts the distance between the belt of the upper conveying line 311 and the paper guide wheel set 321 by driving the spring pressure wheel set at the front end of the inner part of the upper conveying line 311 to ascend and descend. Through the adjustment of the adjusting assembly six 34 and the adjusting assembly seven 35, the paper thickness and the conveying thickness are automatically adjusted, which is suitable for the production of cartons with different thicknesses.

[0056] As shown in Figures 10-12As shown, the paper collecting mechanism 5 further comprises a pushing mechanism 52 and a paper beating mechanism 53, the pushing mechanism 52 is arranged above the paper collecting conveying line 51 and is used to convey the carton to the stacking mechanism 6, the paper beating mechanism 53 is arranged on the corresponding pushing mechanism 52 and is located between the paper collecting conveying line 51 and the pushing mechanism 52; the adjusting mechanism two 8 further comprises an adjusting assembly eight 83, the adjusting assembly eight 83 can adjust the positions of the two pushing mechanisms 52, including a slide rail arranged on the paper collecting upper cross beam 23, two symmetrically arranged paper pushing lead screws 831, the outer side ends of the two paper pushing lead screws 831 are respectively connected with a driving motor arranged on the paper collecting left wall plate 21 and the paper collecting right wall plate 22, and the inner side ends are respectively connected with a sliding nut seat on a pushing mechanism 52, the pushing mechanism 53 is arranged on the paper collecting upper cross beam 23 and is in sliding connection with the slide rail arranged on the paper collecting upper cross beam 23. Through the adjusting assembly eight, the positions of the pushing mechanism 52 and the paper beating mechanism 53 are adjusted, so that the centers of the two are centered with the centers of the two paper collecting conveying lines, thereby adapting to different types of carton production. In the embodiment, the pushing mechanism 52 is driven by a synchronous belt transmission assembly, which has good stability and is convenient for pushing adjustment stroke, and the paper beating mechanism 53 adopts a cam swing mechanism.

[0057] As shown in Figure 10 、 12 , the stacking mechanism 6 comprises a stacking mechanism 61, an ejection conveying belt 62 and a paper pressing conveying belt 63, the stacking mechanism 61 is connected with the paper collecting conveying line 51 and comprises a plurality of small stacking conveying belts 611 arranged transversely, the stacking mechanism 61 cooperates with the pushing mechanism 52 and the paper beating mechanism 53 to stack the cartons on the paper collecting conveying line 51, and pushes the cartons stacked to a set thickness to the ejection conveying belt 62, the ejection conveying belt 62 is arranged at the rear side of the stacking mechanism 61 and comprises a plurality of small ejection conveying belts 621 arranged transversely, the small ejection conveying belts 641 are arranged one by one corresponding to the small stacking conveying belts 611, the stacking mechanism 61 and the ejection conveying belt 62 set the arrangement number of the small stacking conveying belts 611 and the small ejection conveying belts 621 through the width of the rack two 2, and do not need to adjust the position, the paper pressing conveying belt 63 is arranged on the paper pressing rack 631 and is located above the ejection conveying belt 62, the paper pressing conveying belt 63 cooperates with the ejection conveying belt 62 to convey the stacked cartons to the packaging device, and the paper pressing conveying belts 63 of the two stacking mechanisms 6 adjust the positions through the adjusting assembly nine 64 arranged on the paper pressing rack 631, so that the centers of the paper pressing conveying belts are aligned with the centers of the stacked cartons, thereby ensuring the paper pressing conveying effect. In the embodiment, the detailed structures of the stacking mechanism 61, the ejection conveying belt 62 and the paper pressing conveying belt 63 are described in detail in the prior art CN222040884U, which will not be described here.

[0058] In addition, as shown in Figure 10 、 13As shown, the front side of the paper pressing conveying belt 63 is provided with a stop component 65, which is used to stop the upper part of the rear side of the stacked carton, and the paper pushing rod of the pushing mechanism 52 stops the upper part of the front side of the stacked carton during stacking, so as to prevent the stacked carton from falling down. The stop component 65 comprises a rotary cylinder 651, a cylinder fixing seat 652, a rotary rod 653 and a paper stopping rod 654. The rotary cylinder 651 is fixed on one side of the cylinder fixing seat 652, and the output end thereof is connected with one end of the rotary rod 653. The other end of the rotary rod 653 is connected with the other side of the cylinder fixing seat 652 through a bearing seat. The cylinder fixing seat 652 is arranged on the paper pressing conveying belt 63, and the paper stopping rod 654 is arranged on the rotary rod 653.

[0059] In addition, the utility model discloses adopt full servo drive, for full servo four fold beam linkage line, production is stable, and carton forming quality is good.

[0060] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiment should be regarded as exemplary and non-restrictive, and the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0061] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A four-fold beam linkage line, characterized in that: The application relates to a paper box folding and stacking device, which comprises a gluing and pre-pressing module and a paper stacking module, the gluing and pre-pressing module comprises a frame one and two groups of gluing and pre-pressing modules arranged in parallel on the frame one, the paper stacking module comprises a frame two and two groups of paper stacking modules arranged in parallel on the frame two, and the gluing and pre-pressing modules and the paper stacking modules are arranged in one-to-one correspondence; the gluing and pre-pressing module is used for folding and forming paper boxes and comprises paper folding mechanisms and gluing mechanisms arranged at the front ends of the paper folding mechanisms; each paper folding mechanism comprises two oppositely arranged folding beams; the paper stacking module is used for stacking and conveying the paper boxes to a packaging device and comprises paper collecting mechanisms and stacking mechanisms arranged at the rear sides of the paper collecting mechanisms; the paper collecting mechanisms are arranged at the rear sides of the paper folding mechanisms and comprise two oppositely arranged paper collecting and conveying lines; each folding beam is connected with each paper collecting and conveying line in one-to-one correspondence; and the frame one is provided with adjusting mechanisms one for adjusting the transverse positions of the folding beams; the adjusting mechanisms one comprise adjusting assemblies one and adjusting assemblies two; the adjusting assemblies one can adjust the positions of the two folding beams located at the outer sides; and the adjusting assemblies two can adjust the positions of the two folding beams located at the inner sides; the frame two is provided with adjusting mechanisms two for adjusting the transverse positions of the paper collecting and conveying lines; the adjusting mechanisms two comprise adjusting assemblies three and adjusting assemblies four; the adjusting assemblies three can adjust the positions of the two paper collecting and conveying lines located at the outer sides; and the adjusting assemblies four can adjust the positions of the two paper collecting and conveying lines located at the inner sides.

2. The four-fold beam linkage line according to claim 1, characterized in that: Two gluing mechanisms are arranged at the outer sides of the two paper folding mechanisms; the gluing mechanism comprises a glue supply pump and a glue applying assembly; the glue supply pump is mounted on the frame one, the input end of the glue supply pump is connected with a glue supply barrel through a glue pipe, and the output end of the glue supply pump is connected with a glue scraping box of the glue applying assembly through a glue pipe; the glue applying assembly comprises a glue rolling vertical plate, a glue rolling wheel, a lower glue applying wheel, the glue scraping box and an adjusting cylinder; the glue rolling wheel is arranged at the inner side of the glue rolling vertical plate and is rotationally connected with the glue rolling vertical plate through a driving assembly; the lower glue applying wheel is arranged below the glue rolling wheel and cooperates with the glue rolling wheel to apply glue; the glue scraping box is wrapped outside one side of the glue rolling wheel and can store glue and scrape off the glue outside the glue rolling wheel; the adjusting cylinder is arranged at the outer side of the glue rolling vertical plate and is used for adjusting the distance between the lower glue applying wheel and the glue rolling wheel; the inner side of the glue rolling vertical plate is further provided with a glue rolling paper supporting rod and an upper paper supporting rod which are oppositely arranged in the up-down direction, and the glue rolling paper supporting rod extends to the front end of the folding beam; the gluing mechanism further comprises two adjusting assemblies five which are symmetrically arranged; each adjusting assembly five is used for adjusting the distance between one glue applying assembly and the paper folding mechanism and comprises a glue rolling transverse moving screw rod, a motor, a glue rolling sliding base and a glue rolling nut seat; the front lower cross beam is arranged at the lower side of the front end of the frame one; the glue rolling sliding base is arranged below the glue rolling vertical plate and is slidingly connected with sliding rails arranged at the front and rear sides of the front lower cross beam; the transverse moving screw rod is rotationally connected with the frame one and is connected with a driving motor arranged on the front lower cross beam; the glue rolling nut seat is arranged at the middle part below the glue rolling sliding base; and the glue rolling nut seat is threadedly connected with the glue rolling transverse moving screw rod.

3. The four-fold beam linkage line of claim 1, wherein: The folding beam comprises an upper folding beam, a lower folding beam and a lower differential belt, the upper folding beam comprises an upper folding beam plate and an upper conveying line arranged on the upper folding beam plate, and the upper conveying lines of the four folding beams are driven by the same driving assembly, the outer side of the rear end of the upper conveying line is provided with a forming wheel set, the lower side of the forming wheel set is provided with a forming rod extending from the front side of the indentation wheel set to the lower differential belt, the indentation wheel set is arranged on the outer side of the middle part of the upper folding beam plate, the lower folding beam is arranged directly below the front side of the upper folding beam, the top of the front end of the lower folding beam is provided with a paper guide wheel set matched with the upper conveying line, the rear of the paper guide wheel set is provided with a folding line bevel wheel set matched with the indentation wheel set, and the upper folding beam is provided with an intermediate paper guide wheel set between the folding line bevel wheel set and the forming wheel set; the lower differential belt is arranged directly below the rear side of the upper folding beam, and the lower differential belt of each folding beam is independently driven.

4. The four-fold beam linkage line of claim 3, wherein: The inner side of the rear end of the upper conveying line is provided with an air suction pipe, the air suction pipe extends from the end of the lower folding beam to the end of the upper conveying line, the bottom of the air suction pipe is provided with a plurality of air suction openings, the air suction pipe is connected to the inner belt surface of the lower side of the upper conveying line through the plurality of air suction openings, and the inner side of the upper end of the air suction pipe is provided with a mounting hole connected to an air suction box, the air suction boxes on the four folding beams are connected to a fan arranged on the top of the rear side of the rack through a connecting air pipe.

5. The four-fold beam linkage line of claim 3, wherein: The adjusting assembly one comprises a front outer left upper lead screw, a front outer right upper lead screw, a front outer left lower lead screw and a front outer right lower lead screw, the front outer left upper lead screw and the front outer right upper lead screw are symmetrically arranged on the two sides of the front end of the rack one, one end of the front outer left upper lead screw is connected to the output end of the servo motor one, the other end is slidingly connected to a front corbel arranged on the front side of the upper folding beam on the left outer side, a lead screw nut seat is arranged on the front corbel and is in threaded connection with the front outer left upper lead screw, the servo motor one is arranged on the front left wall plate on one side of the front end of the rack one, one end of the front outer right upper lead screw is connected to the output end of the servo motor two, the other end is slidingly connected to the front corbel arranged on the front side of the upper folding beam on the right outer side, and the servo motor two is arranged on the front right wall plate on the other side of the front end of the rack one; the front outer left lower lead screw is arranged directly below the front outer left upper lead screw, one end of the front outer left lower lead screw is connected to the servo motor one through a speed reducer, a transmission shaft and a coupling, and is synchronous with the front outer left upper lead screw, the other end is slidingly connected to a lower sliding seat arranged below the lower folding beam on the left outer side, and a lead screw nut seat is arranged below the lower sliding seat and is in threaded connection with the front outer left lower lead screw; the front outer right lower lead screw is arranged directly below the front outer right upper lead screw, one end of the front outer right lower lead screw is connected to the servo motor two through a speed reducer, a transmission shaft and a coupling, and is synchronous with the front outer right upper lead screw, the other end is slidingly connected to the lower sliding seat arranged below the lower folding beam on the right outer side, and the ends close to each other of the front outer left upper lead screw and the front outer right upper lead screw and the front outer left lower lead screw and the front outer right lower lead screw are connected through bearing seats; a front upper cross beam is arranged between the front left wall plate and the front right wall plate, a front lower cross beam is arranged at the lower end of the front upper cross beam, the upper ends of the four front corbels of the upper folding beams are slidingly connected to the slide rails arranged on the front upper cross beam, and the lower sliding seats of the four lower folding beams are slidingly connected to the slide rails arranged on the front lower cross beam.

6. The four-fold beam linkage line of claim 5, wherein: The adjusting assembly one further comprises a rear outer left screw rod and a rear outer right screw rod, which are symmetrically arranged at two sides of the rear end of the frame one, one end of the rear outer left screw rod is connected with the output end of the servo motor three, the other end is slidingly connected with a rear corbel arranged at the rear side of the upper folding beam on the left side, a screw nut seat is arranged on the rear corbel and is in threaded connection with the rear outer left screw rod, the servo motor three is arranged on the rear left wall plate at one side of the rear end of the frame one, one end of the rear outer right screw rod is connected with the output end of the servo motor four, the other end is slidingly connected with a rear corbel arranged at the rear side of the upper folding beam on the right side, the servo motor four is arranged on the rear right wall plate at the other side of the rear end of the frame one; the rear side of the upper conveying line on the left side and the rear side of the upper conveying line on the right side are respectively connected with the lower differential belt located directly below through the upper and lower connecting plates; the rear left wall plate and the rear right wall plate are provided with a rear upper cross beam at the upper end and a rear lower cross beam at the lower end, the rear corbel of the four upper folding beams is provided with a right-angle connecting portion, the right-angle connecting portion is slidingly connected with the sliding rail arranged in a right angle on the rear upper cross beam, and the angle-shaped sliding seat of the four lower differential belts is slidingly connected with the sliding rail arranged in a right angle on the rear lower cross beam.

7. The four-fold beam linkage line of claim 3, wherein: The front end of the upper conveying line is provided with an adjusting assembly six for adjusting the paper feeding thickness, the adjusting assembly six comprises an adjusting cylinder two, a cylinder joint and a front adjusting connecting rod, the adjusting cylinder two is fixed outside the upper folding beam plate, the output end of the adjusting cylinder two is provided with the cylinder joint, one end of the front adjusting connecting rod is hingedly connected with the cylinder joint, the other end of the front adjusting connecting rod is connected with the front guide wheel arranged at the front end of the upper conveying line, and the end of the front adjusting connecting rod close to the front guide wheel is further rotationally connected with the upper folding beam plate through the fixed shaft seat; the outer side of the middle part of the upper folding beam is further provided with an adjusting assembly seven, the adjusting assembly seven adjusts the distance between the belt of the upper conveying line and the paper guide wheel group by driving the lifting of the elastic pressing wheel group at the front end of the inner part of the upper conveying line.

8. The four-fold beam linkage line of claim 1, wherein: The paper collection conveying line comprises an upper differential belt and a lower differential belt, the upper differential belt and the lower differential belt are arranged in correspondence with each other and are connected through a C-shaped seat; the upper differential belts of the four paper collection conveying lines are connected through a same driving assembly, and the lower differential belts of the four paper collection conveying lines are connected through a same driving assembly; the third adjusting assembly comprises a left lower screw rod and a right lower screw rod, the left lower screw rod and the right lower screw rod are symmetrically arranged at the lower side of the front end of the second rack, one end of the left lower screw rod is connected with the output end of the fifth servo motor, the other end is connected with the right lower screw rod through a bearing seat, the middle part is slidably connected with the lower differential belt arranged on the left outer side, and a screw nut seat in thread connection with the left lower screw rod is arranged on the lower differential belt; one end of the right lower screw rod is connected with the output end of the sixth servo motor, and the middle part is slidably connected with the lower differential belt arranged on the right outer side; the fourth adjusting assembly comprises a left upper screw rod and a right upper screw rod, the left upper screw rod and the right upper screw rod are symmetrically arranged at the front end of the second rack, the left lower screw rod is arranged directly above the left upper screw rod, one end of the left upper screw rod is connected with the output end of the seventh servo motor, the other end is connected with the right upper screw rod through a bearing seat, and the middle part is slidably connected with the upper differential belt arranged on the left inner side; a screw nut seat in thread connection with the left upper screw rod is arranged on the upper differential belt, and the right upper screw rod is arranged directly above the right lower screw rod; one end of the right upper screw rod is connected with the output end of the eighth servo motor, and the middle part is slidably connected with the upper differential belt arranged on the right inner side; the fifth servo motor and the seventh servo motor are arranged on the paper collection left wall plate on one side of the second rack, the sixth servo motor and the eighth servo motor are arranged on the paper collection right wall plate on the other side of the second rack, and the paper collection left wall plate and the paper collection right wall plate are provided with a paper collection upper cross beam, a paper collection middle cross beam and a paper collection lower cross beam arranged in sequence from top to bottom; the paper collection middle cross beam is provided with slide rails slidably arranged with the four upper differential belts on both sides, and the paper collection lower cross beam is provided with slide rails slidably arranged with the four lower differential belts on both sides.

9. The four-fold beam linkage line of claim 8, wherein: The paper collection mechanism further comprises a pushing mechanism and a paper hitting mechanism, the pushing mechanism is arranged above the paper collection conveying line and is used for conveying cartons to the stacking mechanism, and the paper hitting mechanism is arranged on the corresponding pushing mechanism and is located between the paper collection conveying line and the pushing mechanism; the second adjusting mechanism further comprises an eighth adjusting assembly, the eighth adjusting assembly can adjust the positions of the two pushing mechanisms and comprises slide rails arranged on the paper collection upper cross beam and two symmetrically arranged paper pushing screw rods, outer ends of the two paper pushing screw rods are respectively connected with a driving motor arranged on the paper collection left wall plate and the paper collection right wall plate, and inner ends of the two paper pushing screw rods are respectively connected with slide nut seats on a pushing mechanism, the pushing mechanism is arranged on the paper collection upper cross beam and is slidably connected with the slide rails arranged on the paper collection upper cross beam.

10. The four-fold beam linkage line of claim 1, wherein: The stacking mechanism comprises a stacking mechanism, a discharge conveyor belt, a paper pressing conveyor belt, the stacking mechanism is connected with the paper collecting conveying line, and comprises a plurality of small stacking conveyor belts arranged transversely, the stacking mechanism cooperates with the pushing mechanism and the paper hitting mechanism to stack the cartons on the paper collecting conveying line and push the cartons stacked to a set thickness to the discharge conveyor belt, the discharge conveyor belt is arranged at the rear side of the stacking mechanism and comprises a plurality of small discharge conveyor belts arranged transversely, the small discharge conveyor belts are arranged one by one corresponding to the small stacking conveyor belts, the paper pressing conveyor belt is arranged on a paper pressing frame and is located above the discharge conveyor belt, the paper pressing conveyor belt cooperates with the discharge conveyor belt to convey the stacked cartons to a packaging device, and the paper pressing conveyor belts of the two stacking mechanisms are adjusted in position through the adjusting assembly nine arranged on the paper pressing frame.

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