CN212636760U - Low-loss environment-friendly preprinted paperboard face-up production line - Google Patents

Abstract

The utility model discloses a low-loss environment-friendly preprinting paperboard face-up production line, which comprises a pitted paper forming part, preprinting paper, a pitted paper conveying section and a double-sided machine, wherein the double-sided machine comprises a front hot plate conveying part, a breathable heating transition section and a rear conveying part, the upper side and the lower side of a breathable heating channel of the breathable heating transition section are provided with heat sources, the upper side of the breathable heating channel is provided with a roller for preventing the outer surface printing layer of the preprinting paper from being scraped, the number of the rollers is multiple, and a breathable gap is formed between the roller and the roller; after the preprinting paper and the pit paper on the preprinting paper frame enter the double-sided machine, the printing layer of the preprinting paper faces upwards and moves synchronously with the front hot plate conveying part, the roller and the rear conveying part to prevent scratching. The utility model discloses a corrugated board production line will preprint the paper frame and be close to the entry end of double facer, reduce the waste of preprinting paper, simultaneously, will preprinting the printing layer of paper up, consequently, the printing layer can avoid wearing and tearing with the transfer unit synchronous motion of double facer to reduce the consume that causes because of scraping the flower.

Description

Low-loss environment-friendly preprinted paperboard face-up production line

Technical Field

The utility model relates to a corrugated container board production line, especially a low-loss environmental protection preprinting cardboard face-up production line that can produce ink printing preprinting cardboard.

Background

The development of production equipment of corrugated boards is closely related to the printing process, and the current preprinting mainly comprises three types:

1. offset preprinting: the printing quality is good, the plate making cost is low, the printing plate has low printing endurance, and solvent type printing ink which is not environment-friendly is selected.

2. Gravure preprinting: the printing quality is good, the plate-making cost is higher, the printing endurance is good, and solvent ink is selected.

3. Flexible printing and preprinting: the printing quality is good, the cost of the paperboard is low, the printing endurance is moderate, and the environment-friendly water-based ink for the carton is selected.

The three preprinting modes have advantages respectively, but the preprinting prospect of the flexo printing is wider in the long run, because the flexo printing can meet the quality requirements of customers with high-quality products, and the non-toxic and harmless carton water-based ink is used, so that the flexo printing conforms to the environmental protection trend and is beneficial to the health of consumers and front-line workers.

The preprinting is roll printing, the printed roll is used as the outermost paper on a corrugating machine, the preprinting outer paper and the pit paper coming out of the corrugating machine are adhered together through a double-faced machine, and the preprinting is suitable for large-volume color printing cartons.

However, the existing double-sided machine mainly has two paper feeding modes, one mode is that the printing layer of the pre-printed paper is downward during transmission, the printing layer is in sliding friction fit with a hot plate at the lower side of a hot plate channel of the double-sided machine, and the surface temperature of the printing layer is very high under the condition of high-speed transmission, so that a high-temperature-resistant film needs to be arranged on the surface of the printing layer of the pre-printed paper, and therefore, the cost is greatly increased; the high temperature resistant film is in sliding friction fit with the hot plate, and the high temperature resistant film can be scraped, so that the surface of the carton can generate poor wire drawing and scraping feeling.

The other is that the printing layer of the preprinting paper faces upwards during conveying, the printing layer moves synchronously with the conveying belt above the hot plate channel, so that the scratch is not easy to occur, but the derived problems are that the temperature of the upper side of the hot plate channel of the double-sided machine is not enough, so that the adhesion between the preprinting paper and the pitted paper is poor, and the drying efficiency of paste and the quality of the paperboard are influenced because the air permeability of the conveying belt is poor. Of course, in addition to the above, there are many disadvantages of current paperboard production lines with preprinted paper print layers facing upwards, such as: the problems of pit paper sizing, stretch breaking and deviation correction, the problems of pre-printed paper waste and stretch breaking, the problem of low stacking and paper collecting effects and the like are seen.

To sum up, need design a section and can realize environmental protection preparation corrugated container board, less paper consume, avoid scraping colored preprinting paper printing layer, can be paperboard ink wash printing cardboard in order to replace the corrugated container board production line of traditional offset printing cardboard.

Disclosure of Invention

An object of the utility model is to provide a simple structure, reasonable can two-sided heating, improve the thick liquid and stick up solid speed, promote each layer cardboard bonding quality effect, reduce preprinting paper consume, be applicable to the low consume environmental protection preprinting cardboard face-up production line of ink printing preprinting cardboard processing.

The purpose of the utility model is realized like this:

the utility model provides a low-loss environmental protection preprinting cardboard face-up production line, includes sees the hole paper shaping portion, preprinting paper and sees the hole paper transport section, will preprinting paper and see the double facer that the hole paper was glued, its characterized in that: the double-sided machine comprises a front hot plate conveying part and a rear conveying part, a ventilating and heating transition section is arranged between the front hot plate conveying part and the rear conveying part, a ventilating and heating channel is arranged on the ventilating and heating transition section, a heat source is arranged on the upper side and/or the lower side of the ventilating and heating channel, a roller for preventing the printing layer on the outer surface of the preprinted paper from being scratched is arranged on the upper side of the ventilating and heating channel, a plurality of rollers are arranged, and a ventilating gap is formed between the rollers;

the pre-printing paper and pit finding paper conveying section comprises a pre-printing paper frame, a pre-printing paper conveying section, a bottom paper passing frame and a pit finding paper conveying section, the output end of the pit finding paper forming part is connected with the bottom paper passing frame, the bottom paper passing frame is positioned below the pre-printing paper frame, the pit finding paper conveying section is arranged between the bottom paper passing frame and the front hot plate conveying part, and a deviation corrector, a pit finding paper tensioning machine, a pit finding paper heating device and a pasting machine are arranged in the pit finding paper conveying section; the pre-printing paper conveying section is arranged between the pre-printing paper frame and the rear conveying part, and a pre-printing paper tensioning machine and a pre-printing paper heating device are arranged in the pre-printing paper conveying section; the pre-printed paper conveying section is positioned above the pit paper conveying section;

after the preprinting paper and the pit paper on the preprinting paper frame enter the double-sided machine, the printing layer of the preprinting paper faces upwards and moves synchronously with the front hot plate conveying part, the roller and the rear conveying part to prevent scratching.

The purpose of the utility model can also adopt the following technical measures to solve:

as a more specific scheme, the deviation corrector comprises a left deviation corrector side plate, a right deviation corrector side plate, a feeding end first paper guide roller, a feeding end second paper guide roller, a grating bearing platform, a left baffle and a right baffle, wherein the feeding end first paper guide roller and the feeding end second paper guide roller are arranged at the front end between the left deviation corrector side plate and the right deviation corrector side plate side by side, the discharging end paper guide roller is arranged at the rear end between the left deviation corrector side plate and the right deviation corrector side plate, the grating bearing platform is arranged on the side plates and is positioned between the feeding end second paper guide roller and the discharging end paper guide roller, an air suction cover is arranged at the bottom of the grating bearing platform and is connected with an air suction pipe, and the left baffle and the right baffle are respectively arranged at the left end and the right end of the grating.

As a further scheme, the pasting machine comprises a pasting machine frame, a sizing mechanism, an input end paper guide roller, an output end paper guide roller and a pit paper heating plate, wherein the input end paper guide roller and the output end paper guide roller are respectively arranged at the front end and the rear end below the sizing mechanism, the pit paper heating plate is positioned between the input end paper guide roller and the output end paper guide roller, and the corrugated surface of the pit paper heating plate is upward and bypasses the input end paper guide roller, the pit paper heating plate and the output end paper guide roller to enter the sizing mechanism.

As a further scheme, the pit paper tensioning machine comprises a left support plate, a right support plate, a first friction roller, a first pneumatic brake device and a first paper guide roller, wherein the first friction roller and the first paper guide roller are arranged between the two support plates, the first pneumatic brake device is arranged on one support plate and used for braking the first friction roller, and the corrugated surface of the pit paper is wound outside the first friction roller in the back direction and then is wound out through the first paper guide roller; the pre-printing paper tensioning machine comprises a left vertical plate and a right vertical plate, a second friction roller, a second pneumatic brake device, a paper feeding end paper guide roller, a middle paper guide roller and a paper discharging end paper guide roller, the second friction roller, the paper feeding end paper guide roller, the middle paper guide roller and the paper discharging end paper guide roller are arranged between the two vertical plates, the second pneumatic brake device is arranged on one vertical plate and used for braking the second friction roller, the paper feeding end paper guide roller, the middle paper guide roller and the paper discharging end paper guide roller are located below the second friction roller and are respectively in front, middle and back position distribution.

As a further scheme, the front hot plate conveying part and the rear hot plate conveying part are both provided with power and move synchronously at the same speed; the ventilating and heating transition section comprises a support frame, the ventilating and heating channel is arranged on the support frame, the rollers are rotatably arranged on the support frame, and the rollers are transversely arranged; the supporting frame is also provided with a movable supporting piece and a lifting driving mechanism, the roller is rotatably arranged on the movable supporting piece, the movable supporting piece is movably arranged on the supporting frame up and down and is connected with the supporting frame through the lifting driving mechanism, and the position of the movable supporting piece is adjusted through the lifting driving mechanism so as to realize the adjustment of the distance between the roller and the lower side of the ventilating and heating channel; a heat source is arranged on the roller to form a heating roller; and a heat source is arranged at the lower side of the ventilating heating channel and is a transition section hot plate.

As a further scheme, the front hot plate conveying part comprises a hot plate part support, a front paper feeding channel is arranged on the hot plate part support, a hot plate part conveying belt and a lower hot plate are respectively arranged on the upper side and the lower side of the front paper feeding channel, a conveying belt heating body is arranged at least close to the inlet end of the front paper feeding channel on the hot plate part conveying belt, and the hot plate part conveying belt is heated before entering the front paper feeding channel, so that a paper board entering the front paper feeding channel can be heated as soon as possible; the upper side of the front paper feeding channel is also provided with an upper hot plate which is arranged on one side of the hot plate part conveying belt back to the front paper feeding channel.

As a further scheme, back conveying portion includes output section support, output conveyer belt and driven voller, and output conveyer belt and driven voller set up respectively from top to bottom on output section support, form the back paper feed passageway between output conveyer belt and the driven voller, and the driven voller is equipped with many, and each driven voller transversely arranges and respectively with output section support normal running fit.

As a further scheme, a paper board cutting section and a paper output stacking section are sequentially arranged outside the outlet end of the double-face machine.

As a further scheme, the paper output stacking section comprises a stacking machine, a frame, a paper blocking plate and a paper storage table, wherein the frame is positioned at the tail end of the stacking machine, the paper blocking plate and the paper storage table are arranged on the frame, a travelling crane moving back and forth and a lifting driving device used for controlling the lifting motion of the paper storage table are arranged on the frame, the paper blocking plate is positioned in the frame and is in transmission connection with the travelling crane, the paper storage table is positioned in the frame and is in transmission connection with the lifting driving device, and a concave pit is arranged on a mounting reference surface at the lower end of the frame.

The utility model has the advantages as follows:

(1) the utility model discloses a corrugated container board production line will be printed the paper frame in advance and be close to the entry end of double facer, reduce the waste of the paper of printing in advance, simultaneously, will print the printing layer of paper up in advance, therefore, the printing layer can with the synchronous motion of the conveying part of double facer, avoid wearing and tearing to reduce the consume that causes because of scraping the flower;

(2) the corrugated board production line of the utility model does not wear the printing layer of the preprinting paper, so the preprinting paper is suitable for printing the preprinting paper by the ink which has low cost, beautiful printing texture and no release of volatile harmful substances in the printing process to form the corrugated board with the ink printing layer, thereby promoting the development of the carton packaging industry and ensuring that the production process of the corrugated board is more environment-friendly;

(3) the double-sided machine heat plate part in the corrugated board production line of the utility model realizes double-sided heating of the conveying section by arranging the upper heating device on the transmission belt and combining the lower heat plate below the transmission belt, has good heat transfer effect, improves the paste drying and solidifying speed, improves the bonding quality effect of each layer of the paper board, and is beneficial to the speed increase of the corrugated board connected with the double-sided machine heat plate part;

(4) the upper heating device (the upper hot plate) of the double-sided machine hot plate part in the corrugated board production line can swing relative to the pressing plate mechanism, so that the paperboard can be prevented from being damaged by pressing, and the upper hot plate can be lifted under the control of the pressing plate mechanism so as to meet the processing requirements of paperboards with different thicknesses;

(5) the double-sided machine hot plate part in the corrugated board production line can control the hot plate to move up and down so as to press the hot plate above the paper board (such as on a transmission belt above the paper board), so that the upper part of the paper board is heated and pressurized, and the quality and the efficiency of paper board adhesion are improved;

(6) the upper hot plate of the double-sided machine hot plate part in the corrugated board production line is connected with the telescopic driving device through the rocker arm component, and one end of the rocker arm component is supported through the cross beam, so that the telescopic driving device can lift the hot plate more labor-saving and energy-saving;

(7) the utility model discloses a through articulated realization swing cooperation between last hot plate of two-sided quick-witted hot plate portion and the rocking arm other end among the corrugated container board production line, its angle can automatically regulated, avoids weighing wounded the cardboard, has further ensured the quality of cardboard.

Drawings

Fig. 1 is a schematic structural view of the pit paper forming part of the present invention.

Fig. 2 is a schematic structural view of the conveying section of the pre-printed paper and the pit-seeing paper of the present invention.

Fig. 3 is a schematic structural view of the double-sided machine of the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic view of the structure of the middle paperboard cutting segment of the present invention.

Fig. 6 is a schematic view of the structure of the middle paper-out stacking section of the present invention.

Fig. 7 is a schematic view of the heating principle of the front end of the front paper feeding channel in the double facer of the present invention.

Fig. 8 is a schematic view of the heating principle of the ventilating and heating transition section in the double-sided machine of the present invention.

Fig. 9 is a schematic view of the structure of the middle double-sided machine (partially cut away in the transition section of ventilation and heating).

Fig. 10 is a schematic view of a three-dimensional structure of a double-sided machine of the present invention.

Fig. 11 is a schematic view of the partially cut-open back three-dimensional structure of the double-sided machine of the present invention.

Fig. 12 is an enlarged schematic view of B in fig. 11.

Fig. 13 is an enlarged schematic view of C in fig. 11.

Fig. 14 is an enlarged schematic view of the structure at D in fig. 13.

Fig. 15 is an enlarged schematic view of E in fig. 14.

Fig. 16 is a schematic view of a three-dimensional structure of the middle deviation corrector of the present invention.

Fig. 17 is a schematic view of a cross-sectional structure of the middle deviation corrector of the present invention.

Fig. 18 is a schematic view of a three-dimensional structure of the pitted paper tensioning machine of the present invention.

Fig. 19 is a schematic view of the structure of the pitted paper tensioning machine (without paper-through power motor) in the present invention.

FIG. 20 is a schematic cross-sectional view of F-F of FIG. 19.

Fig. 21 is a schematic view of a three-dimensional structure of a preprinting paper fastening machine of the present invention.

Fig. 22 is a schematic view of the main view structure of the preprinting paper binding machine of the present invention.

FIG. 23 is a schematic sectional view of the structure of FIG. 22 taken along line G-G.

Fig. 24 is a schematic perspective view of the pasting machine of the present invention.

Fig. 25 is a schematic view of the three-dimensional structure of the middle pasting machine after sectioning.

Fig. 26 is a left side view of the structure of fig. 25.

Fig. 27 is a schematic cross-sectional structure view of another embodiment of the machine of the present invention.

Fig. 28 is a schematic structural view of the paper storage table of the middle output paper stacking section after descending.

Fig. 29 is a schematic view of a three-dimensional structure of a middle exit paper stacking section of the present invention.

In the figure:

10 is a front hot plate conveying part, 101 is a front paper feeding channel, 102 is a hot plate conveying belt, 103 is an arc-shaped hot plate, 104 is an upper hot plate, 105 is a lower hot plate, 106 is a hot plate part support, 107 is an inlet end, 108 is a pit paper preheating arc-shaped plate, and 109 is a pressing plate mechanism; 20 is a ventilating and heating transition section, 201 is a ventilating and heating channel, 202 is a transition section hot plate, 203 is a support frame, 204 is a support block, 205 is a support beam, 1 is a heating roller, 11 is a ventilating gap, 2 is a hydraulic cylinder, 21 is a piston rod, 3 is a support rod, 31 is an upper inclined plane, 32 is a guide sleeve, 33 is a guide rod, 4 is a support arm, 41 is an installation plate, 42 is a limit screw, 43 is a cushion block, 44 is an adjusting screw, 45 is a boss, 46 is a locking screw, and 47 is a long hole; 30 is a rear conveying part, 301 is a rear paper feeding channel, and 302 is a driven roller; 40 is a paper for seeing a pit; 50 is pre-printed paper, 501 is a printing layer; 60 is a pit paper forming part, 601 is a first raw paper frame, 602 is a corrugating machine, 8 is a pasting machine frame, 81 is a sizing roller, 82 is a swing arm, 83 is a press roller, 84 is a movable paper guide roller, 85 is an output end paper guide roller, 86 is a pulp hopper, 87 is a pulp receiving disc, 88 is a pulp control roller, 89 is an input end paper guide roller, and 810 is a pit paper heating plate; 603 is a second raw paper frame, 604 is a tractor, 605 is a bottom paper passing frame, 606 is a deviation corrector, 5 is a deviation corrector side plate, 51 is a first paper guide roller at the inlet end, 52 is a second paper guide roller at the inlet end, 53 is a first baffle, 531 is a first nut, 532 is a first adjusting screw rod, 54 is a paper guide roller at the outlet end, 55 is a grating bearing platform, 56 is a second baffle, 561 is a second nut, 562 is a second adjusting screw rod, 57 is an air suction pipe, 571 is an air suction hood, 58 is a linear guide rail, and 59 is a slide block; 607 is a pit paper tensioning machine, 6 is a support plate, 61 is a first friction roller, 62 is a paper penetrating power motor, 63 is a first pneumatic brake device, and 64 is a first paper guide roller; 608 is a pit paper hot cylinder, 609 is a pasting machine; 70 is a pre-printing paper frame, 701 is a pre-printing paper tightening machine, 7 is a vertical plate, 71 is a second friction roller, 72 is a second pneumatic brake device, 73 is a middle paper guide roller, 74 is a paper outlet end paper guide roller, 75 is a paper inlet end paper guide roller, 76 is a bottom beam, 702 is a pre-printing paper hot cylinder, and 703 is a pre-printing paper hot plate; 80 is a slitter; 90 is a transverse cutting machine; 100 is a double-sided machine; 110 is a stacker, 1101 is a paper blocking plate, 1102 is a paper storage table, 1103 is a pit, 1104 is a traveling crane, 1105 is a lifting drive device, 1106 is a frame, 1107 is a connecting arm.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 4, a low-loss environment-friendly pre-printed paperboard face-up production line comprises a pit paper forming part 60, pre-printed paper and a pit paper conveying section, and a double-sided machine 100 for bonding the pre-printed paper 50 and the pit paper 40, wherein the double-sided machine 100 comprises a front hot plate conveying part 10 and a rear conveying part 30, an air-permeable heating transition section 20 is arranged between the front hot plate conveying part 10 and the rear conveying part 30, the air-permeable heating transition section 20 is provided with an air-permeable heating channel 201, heat sources are arranged on the upper side and the lower side of the air-permeable heating channel 201, a roller for preventing the printing layer 501 on the outer surface of the pre-printed paper 50 from being scratched is arranged on the upper side of the air-permeable heating channel 201, a plurality of rollers are arranged.

The pre-printed paper and pit paper conveying section comprises a pre-printed paper frame 70, a pre-printed paper 50 conveying section, a bottom paper passing frame 605 and a pit paper 40 conveying section, the output end of the pit paper forming part 60 is connected with the bottom paper passing frame 605, the bottom paper passing frame 605 is positioned below the pre-printed paper frame 70, the pit paper 40 conveying section is arranged between the bottom paper passing frame 605 and the front hot plate conveying part 10, and a deviation corrector 606, a pit paper tensioning machine 607, a pit paper heating device (a pit paper hot cylinder 608) and a pasting machine 609 are arranged in the pit paper 40 conveying section; a pre-printing paper 50 conveying section is arranged between the pre-printing paper frame 70 and the rear conveying part 30, and a pre-printing paper tensioning machine 701 and a pre-printing paper heating device (a pre-printing paper hot cylinder 702 and a pre-printing paper hot plate 703) are arranged in the pre-printing paper 50 conveying section; the pre-printed paper 50 conveying section is positioned above the pit paper 40 conveying section; after the pre-printed paper 50 and the pit paper 40 on the pre-printed paper holder 70 enter the duplex machine 100, the printed layer 501 of the pre-printed paper 50 faces upward and moves in synchronization with the front hot plate conveying part 10, the rollers, and the rear conveying part 30 to prevent scratching.

The pit paper forming part 60 includes a corrugating machine 602, a first stock paper holder 601, a second stock paper holder 603, and a tractor 604, wherein the first stock paper holder 601 and the second stock paper holder 603 are respectively disposed at front and rear ends of the corrugating machine 602, and the tractor 604 is located above the corrugating machine 602.

Referring to fig. 16 and 17, the deviation corrector 606 includes two deviation corrector side plates 5 on the left and right, and two sets of baffles on the left and right, the front and rear ends of the two deviation corrector side plates 5 on the left and right are respectively provided with a feed end paper guide roller and a break paper guide roller, a grating support platform 55 is arranged between the feed end paper guide roller and the exit end paper guide roller 54, the two sets of baffles on the left and right are respectively movably arranged on the left and right ends of the grating support platform 55 on the left and right sides and are respectively connected with a motor through corresponding screw transmission pairs in a transmission manner, and the bottom of the grating support platform 55 is provided with an.

The feeding end paper guide rollers comprise a feeding end first paper guide roller 51 and a feeding end second paper guide roller 52 which are arranged side by side, and after the pit paper 40 bypasses the feeding end first paper guide roller 51 and the feeding end second paper guide roller 52, the pit surface faces upwards to enter a grating bearing platform 55 and then is output by winding through a discharging end paper guide roller 54.

The left and right baffles are respectively a first baffle 53 and a second baffle 56, the left and right sides of the left and right deviation corrector side plates 5 are respectively provided with a first adjusting screw rod 532 and a second adjusting screw rod 562 corresponding to the first baffle 53 and the second baffle 56, the first adjusting screw rod 532 is in transmission connection with a first motor, the first baffle 53 is in threaded connection with the first adjusting screw rod 532 through a first nut 531, the second adjusting screw rod 562 is in transmission connection with a second motor, and the second baffle 56 is in threaded connection with the second adjusting screw rod 562 through a second nut 561.

The first motor and the second motor are both servo motors.

A left-right directional linear guide rail 58 is arranged between the left deviation corrector side plate 5 and the right deviation corrector side plate 5, and the first baffle plate 53 and the second baffle plate 56 are respectively in sliding fit with the linear guide rail 58 through a sliding block 59.

The air suction pipe 57 is connected with the air suction pipe 57, and the air suction pipe 57 extends out of the side plate 5 of the deviation rectifying machine.

As shown in fig. 24 to 26, the pasting machine 609 includes a pasting machine frame 8 and a sizing mechanism, the sizing mechanism is disposed on the pasting machine frame 8, the pasting machine frame 8 is further provided with an input end paper guide roller 89, an output end paper guide roller 85 and a pit paper finding heating plate 810, the input end paper guide roller 89 and the output end paper guide roller 85 are respectively disposed at the front end and the rear end below the sizing mechanism, and the pit paper finding heating plate 810 is disposed between the input end paper guide roller 89 and the output end paper guide roller 85.

The sizing mechanism comprises a pulp hopper 86, a pulp control roller 88, a sizing roller 81 and a press roller 83, wherein the pulp control roller 88 is used for transferring the paste in the pulp hopper 86 to the peripheral surface of the sizing roller 81, and the press roller 83 is positioned beside the sizing roller 81 and above the output end paper guide roller 85.

The pasting machine frame 8 is further provided with a swing arm 82 and a movable paper guide roller 84, the movable paper guide roller 84 is located between the press roller 83 and the output end paper guide roller 85, the lower end of the swing arm 82 is connected with the movable paper guide roller 84, the upper end of the swing arm 82 is in swing fit with the pasting machine frame 8, and a paper penetrating gap is formed between the movable paper guide roller 84 and the sizing roller 81.

The top of the pulp hopper 86 is open, the pulp control roller 88 is positioned beside the opening of the pulp hopper 86, the opening of the pulp hopper 86 is provided with a pulp scraping plate, and the pulp scraping plate is in contact with the periphery of the pulp control roller 88.

And a pulp receiving disc 87 is arranged on the pasting machine frame 8 and below the pulp control roller 88 and the scraper.

The pit paper heating plate 810 is an arc-shaped heating plate. The pitted paper heating plate 810 heats the pitted surface of the pitted paper 40 through its convex arc surface, which faces downward.

As a further alternative to the pasting machine, a configuration in which the convex arc surface of the arc-shaped heating plate faces upward is shown in connection with FIG. 27.

As shown in fig. 18 to 20, the pit paper tensioning machine 607 includes two left and right support plates 6, a first friction roller 61, a first pneumatic brake device 63 and a first paper guide roller 64, the first friction roller 61 and the first paper guide roller 64 are disposed between the two support plates 6, the first pneumatic brake device 63 is disposed on one support plate 6 and is used for braking the first friction roller 61, and the corrugated surface of the pit paper 40 is wound back around the first friction roller 61 and then is wound out through the first paper guide roller 64; a paper penetrating power motor 62 is further arranged on the supporting plate 6, and the paper penetrating power motor 62 is in transmission connection with the first friction roller 61 through a clutch. When paper threading is required, the paper threading power motor 62 is driven with the first friction roller 61 to facilitate paper threading.

As shown in fig. 21 to 23, the pre-printed paper tensioning machine 701 includes two left and right vertical plates 7, a second friction roller 71, a second pneumatic braking device 72, a paper feeding end paper guiding roller 75, a middle paper guiding roller 73, and a paper discharging end paper guiding roller 74, wherein the second friction roller 71, the paper feeding end paper guiding roller 75, the middle paper guiding roller 73, and the paper discharging end paper guiding roller 74 are disposed between the two vertical plates 7, the second pneumatic braking device 72 is disposed on one vertical plate 7 and is used for braking the second friction roller 71, and the paper feeding end paper guiding roller 75, the middle paper guiding roller 73, and the paper discharging end paper guiding roller 74 are disposed below the second friction roller 71 and are respectively disposed at front, middle, and rear positions. The bottom of the vertical plate 7 is provided with a bottom beam 76.

As shown in fig. 7 to 15, the drum is provided with a heat source to form a heating drum 1. The heat source is a steam pipe, and the steam pipe is communicated with the interior of the roller. The steam pipe is connected with a control valve, temperature adjustment is realized by adjusting the control valve, and when the control valve is closed, the heating function of the roller is closed.

The front hot plate conveying part 10 and the rear conveying part 30 are both provided with power and move synchronously at the same speed.

The ventilating and heating transition section 20 comprises a support frame 203, the ventilating and heating channel 201 is arranged on the support frame 203, the rollers are rotatably arranged on the support frame 203, and all the rollers are transversely arranged.

The supporting frame 203 is further provided with a movable supporting piece and a lifting driving mechanism, the roller is rotatably arranged on the movable supporting piece, the movable supporting piece is movably arranged on the supporting frame 203 up and down and is connected with the supporting frame 203 through the lifting driving mechanism, and the position of the movable supporting piece is adjusted through the lifting driving mechanism, so that the distance between the roller and the lower side of the breathable heating channel 201 can be adjusted.

The movable supporting piece comprises a supporting beam 205, a supporting arm 4 and a supporting rod 3, the supporting beam 205 is arranged on the supporting frame 203, the supporting arm 4 is in running fit with the supporting beam 205, the roller is arranged at the lower end of the supporting arm 4 in a rotating mode, the supporting rod 3 is movably arranged on the supporting frame 203 up and down, the lower end of the supporting arm 4 is placed on the supporting rod 3, and the supporting rod 3 is in transmission connection with the lifting driving mechanism.

The supporting frame 203 is provided with a supporting block 204, the top surface of the supporting block 204 is provided with a lower inclined surface, the supporting rod 3 is provided with an upper inclined surface 31, and the upper inclined surface 31 is placed on the lower inclined surface of the supporting block 204; the lifting driving mechanism comprises a hydraulic cylinder 2, and a piston rod 21 of the hydraulic cylinder 2 is in transmission connection with the supporting rod 3.

The support rod 3 is provided with a guide sleeve 32 which points up and down, a guide rod 33 is arranged in the guide sleeve 32, the guide rod 33 is in up-and-down sliding fit with the guide sleeve 32, and a piston rod 21 of the hydraulic cylinder 2 is connected with the guide rod 33.

The supporting arm 4 is in a crank arm shape, and the two ends of the heating roller 1 are connected with the supporting arms 4.

And a cushion block 43 assembly is arranged between the lower end of the supporting arm 4 and the supporting rod 3.

The cushion block 43 assembly comprises a cushion block 43, an adjusting screw 44, a locking screw 46 and a mounting disc 41, the mounting disc 41 is arranged at the lower end of the supporting arm 4, a limiting screw 42 and a connecting hole are formed in the outer side surface of the mounting disc 41, the cushion block 43 is arranged on the outer side of the mounting disc 41, the lower end of the cushion block 43 is placed on the supporting rod 3 in a bearing mode, an elongated hole 47 is formed in the surface of the cushion block 43, the locking screw 46 penetrates through the elongated hole 47 to be connected with the connecting hole, a screw hole penetrating through the upper side and the lower side of the cushion block 43 is formed in the position, corresponding to the limiting screw 42.

A front limiting screw 42 and a rear limiting screw 42 are arranged below the horizontal plane of the surface of the mounting plate 41 corresponding to the central line of the mounting plate, and the connecting hole is arranged below the position between the two limiting screws 42; the front surface of the cushion block 43 is of an inverted convex structure, the screw holes are formed in the front end and the rear end of the cushion block 43 and correspond to the lower portions of the limit screws 42 respectively, a boss 45 is arranged at the bottom of the cushion block 43, and the bottom surface of the boss 45 is arc-shaped and is placed on the top surface of the supporting rod 3.

The lower side of the air-permeable heating channel 201 is provided with a heat source which is a transition section hot plate 202. The transition section platens 202 are steam platens or electromagnetic platens.

The front hot plate conveying part 10 comprises a hot plate part support 106, a front paper conveying channel 101 is arranged on the hot plate part support 106, a hot plate part conveying belt 102 and a lower hot plate 105 are respectively arranged on the upper side and the lower side of the front paper conveying channel 101, a conveying belt heating body is arranged on the hot plate part conveying belt 102 at least close to an inlet end 107 of the front paper conveying channel 101, and the hot plate part conveying belt 102 is heated before entering the front paper conveying channel 101, so that a paper board entering the front paper conveying channel 101 can be heated as soon as possible.

The conveyor heating body is an arc-shaped hot plate 103 which is arranged outside the hot plate part conveyor 102 and is in surface contact with the hot plate part conveyor 102.

An upper hot plate 104 is further disposed on the upper side of the forward paper feeding channel 101, and the upper hot plate 104 is disposed on a side of the hot plate portion conveying belt 102 facing away from the forward paper feeding channel 101.

The upper platen 104 is connected to the platen holder 106 by a platen mechanism 109, and the platen mechanism 109 adjusts the height of the upper platen 104.

The hot plate part support 106 is provided with a plurality of roller bodies above the front paper feeding channel 101, one of the roller bodies is a power roller, and the hot plate part conveying belt 102 is wound outside the roller bodies.

The hot plate portion support 106 is provided with a pit paper preheating arc plate 108 corresponding to the lower side of the inlet end 107 of the front paper feeding passage 101.

The rear conveying part 30 comprises an output section support, an output conveying belt and driven rollers 302, the output conveying belt and the driven rollers 302 are respectively arranged on the output section support from top to bottom, a rear paper conveying channel 301 is formed between the output conveying belt and the driven rollers 302, the number of the driven rollers 302 is multiple, and the driven rollers 302 are transversely arranged and are respectively in running fit with the output section support.

The working principle of the double-sided machine is as follows: taking the pre-printed paper 50 and the pit paper 40 as an example, after the pit paper 40 is sized, the pit paper 40 is fed into the front paper feeding channel 101 from the inlet end 107 in the direction of arrow I in fig. 3 in a combined manner that the pit paper 40 is positioned below and the pre-printed paper 50 is positioned above (the printed layer 501 of the pre-printed paper 50 is upward). As shown in fig. 7, since the arc-shaped hot plate 103 heats the hot plate portion conveyor belt 102 near the inlet end 107 (see arrow H1), it is ensured that the hot plate portion conveyor belt 102 entering the inlet end 107 can immediately heat the pre-printed paper 50, and in addition, the pit paper preheating arc 108 is provided on the outer lower side of the inlet end 107, so that the pit paper 40 entering the front paper feeding passage 101 can be preheated; after the pre-printed paper 50 and the pit catching paper 40 enter the front paper feeding channel 101, the upper and lower sides thereof are respectively heated by the upper and lower hot plates 104 and 105 on both sides (see arrows H3 and H2) so that the paste between the pre-printed paper 50 and the pit catching paper 40 is steamed, and the pre-printed paper 50 and the pit catching paper 40 are primarily bonded. Then, as shown in fig. 8, the pre-printed paper 50 and the pit paper 40 after the preliminary bonding enter the ventilation heating channel 201, the upper side and the lower side of the pre-printed paper 50 and the pit paper 40 are respectively subjected to double-sided heating by the heating roller 1 and the transition section hot plate 202 (see arrows H5 and H4), the bonding effect of the pre-printed paper 50 and the pit paper 40 is further improved, simultaneously, the heating roller 1 rolls, so that the pre-printed paper 50 is only matched with the printing layer 501 of the pre-printed paper 50 in a rolling manner, the printing layer 501 is not scratched, moreover, due to the gap between the heating rollers 1, ventilation is facilitated (see arrow W), the drying speed of the paste after the steaming is improved, the pre-printed paper 50 and the pit paper 40 are bonded stably, and the corrugated board is. Finally, the corrugated cardboard enters the rear paper feeding path 301 of the rear conveying portion 30 and is then fed to the next station along arrow O in fig. 3.

As shown in fig. 5 and 6, a paper board cutting section and a paper stacking section are sequentially disposed outside the outlet end of the double-sided machine 100. The paperboard slitting section includes a slitting machine 80 and a cross cutting machine 90. Referring to fig. 1, 2, 3, 5 and 6, P1 and P1, P2 and P2, P3 and P3, and P4 and P4 are respectively connected, namely a production line with the functions of forming the notch paper, conveying the preprinted paper and the notch paper, attaching the preprinted paper and the notch paper to form corrugated paper, longitudinally cutting the corrugated paper board, transversely cutting the corrugated paper board and outputting the stacked points of the corrugated paper board is formed. In the figure, an arrow Z1 is a conveying direction of the formed pitted paper, an arrow Z2 is a conveying direction of the corrected pitted paper, an arrow Z3 is a conveying direction of the preprinted paper, and an arrow Z4 is a conveying direction of the corrugated board.

As shown in fig. 28 and 29, the discharged paper stacking section includes a stacker 110 and a paper storage table 1102, the paper storage table 1102 is disposed at the end of the stacker 110, a recess 1103 is disposed on an installation reference plane L (e.g., the ground) of the stacker 110 corresponding to the paper storage table 1102, and the paper storage table 1102 is seated in the recess 1103, so that the logistics distribution apparatus receives the paper boards on the paper storage table 1102.

The tail end of the stacking machine 110 is further provided with a frame 1106 and a paper blocking plate 1101, the frame 1106 is provided with a travelling crane 1104 moving back and forth and a lifting driving device 1105 used for controlling the lifting movement (shown by an arrow H in fig. 6) of the paper storage table 1102, the paper blocking plate 1101 is positioned in the frame 1106 and is in transmission connection with the travelling crane 1104, and the paper storage table 1102 is positioned in the frame 1106 and is in transmission connection with the lifting driving device 1105.

The paper storage table 1102 is square, and four corners of the paper storage table are in transmission connection with the lifting driving device 1105 through chains or cables.

The four corners of the paper storage table 1102 are connected with chains or cables through connecting arms 1107.

A production process of a low-loss environment-friendly pre-printed paperboard face-up production line is characterized in that a pre-printed paper frame 70 and a pre-printed paper 50 conveying section are close to an inlet end 107 of a double-sided machine 100 as much as possible, the pre-printed paper 50 entering the inlet end 107 of the double-sided machine 100 is positioned above pit paper 40, a printing layer 501 of the pre-printed paper 50 faces upwards, the pre-printed paper 50 and the printing layer 501 move synchronously with moving parts of the double-sided machine 100 to prevent scratching, and besides, corrugated surfaces of the pit paper 40 enter the inlet end 107 of the double-sided machine 100 after being sized; the double-sided machine 100 adopts segmented heating, the front part of the double-sided machine 100 carries out rapid double-sided heating, the bonding speed of the pre-printed paper 50 and the pit paper 40 is improved, then the breathable heating transition section 20 is arranged in the middle of the double-sided machine 100, heating can be carried out, bonding of the pre-printed paper 50 and the pit paper 40 is continuously enhanced, meanwhile, ventilation and accelerated drying can be carried out, bonding paste of the pre-printed paper 50 and the pit paper 40 is enabled to be dry and stable, finally, the rear part of the double-sided machine 100 is the rear conveying part 30, and the rear conveying part 30 continuously provides power output for the corrugated board.

Claims (9)

1. The utility model provides a low-loss environmental protection preprinting cardboard face-up production line, includes sees hole paper shaping portion (60), preprinting paper and sees hole paper transport section, will preprinting paper (50) and see hole paper (40) two-sided machine (100) of bonding, its characterized in that: the double-sided machine (100) comprises a front hot plate conveying part (10) and a rear conveying part (30), a ventilation heating transition section (20) is arranged between the front hot plate conveying part (10) and the rear conveying part (30), a ventilation heating channel (201) is arranged on the ventilation heating transition section (20), a heat source is arranged on the upper side and/or the lower side of the ventilation heating channel (201), a roller for preventing the scratch of a printing layer (501) on the outer surface of the preprinting paper (50) is arranged on the upper side of the ventilation heating channel (201), a plurality of rollers are arranged, and a ventilation gap (11) is formed between each roller and each roller;

the pre-printed paper and pit finding paper conveying section comprises a pre-printed paper frame (70), a pre-printed paper conveying section, a bottom paper passing frame (605) and a pit finding paper conveying section, the output end of a pit finding paper forming part (60) is connected with the bottom paper passing frame (605), the bottom paper passing frame (605) is positioned below the pre-printed paper frame (70), the pit finding paper conveying section is arranged between the bottom paper passing frame (605) and a front hot plate conveying part (10), and a deviation correcting machine (606), a pit finding paper tensioning machine (607), a pit finding paper (40) heating device and a pasting machine (609) are arranged in the pit finding paper conveying section; the pre-printed paper conveying section is arranged between the pre-printed paper frame (70) and the rear conveying part (30), and a pre-printed paper tensioning machine (701) and a pre-printed paper heating device are arranged in the pre-printed paper conveying section; the pre-printed paper conveying section is positioned above the pit paper conveying section;

after the preprinting paper (50) and the pit paper (40) on the preprinting paper frame (70) enter the double-sided machine (100), the printing layer (501) of the preprinting paper (50) faces upwards and moves synchronously with the front hot plate conveying part (10), the roller and the rear conveying part (30) to prevent scratching.

2. The low loss, environmentally friendly pre-printed paperboard face-up production line of claim 1, wherein: the deviation corrector (606) comprises a left deviation corrector side plate and a right deviation corrector side plate (5), a first paper guide roller (51) at the feeding end, a second paper guide roller (52) at the feeding end, a grating bearing platform (55) and a left baffle and a right baffle, wherein the first paper guide roller (51) at the feeding end and the second paper guide roller (52) at the feeding end are arranged at the front end between the left deviation corrector side plate and the right deviation corrector side plate (5) side by side, the paper guide roller (54) at the discharging end is arranged at the rear end between the left deviation corrector side plate and the right deviation corrector side plate (5), the grating bearing platform (55) is arranged on the side plates and is positioned between the second paper guide roller (52) at the feeding end and the paper guide roller (54) at the discharging end, an air draft hood (571) is arranged at the bottom of the grating bearing platform (55) and is connected with an air draft tube (57), and the left baffle and right baffle are respectively arranged at.

3. The low loss, environmentally friendly pre-printed paperboard face-up production line of claim 1, wherein: pasting machine (609) including pasting machine frame (8) and starching mechanism, input lead paper roll (89), output lead paper roll (85) and see hole paper hot plate (810), input lead paper roll (89) and output lead paper roll (85) set up respectively in the front and back both ends of starching mechanism below, see that hole paper hot plate (810) are located input lead paper roll (89) and output lead between paper roll (85), see that the flute face of hole paper hot plate (810) upwards walks around input lead paper roll (89), see that hole paper hot plate (810) and output lead and get into starching mechanism behind paper roll (85).

4. The low loss, environmentally friendly pre-printed paperboard face-up production line of claim 1, wherein: the pit paper tensioning machine (607) comprises a left support plate (6), a right support plate (6), a first friction roller (61), a first pneumatic brake device (63) and a first paper guide roller (64), wherein the first friction roller (61) and the first paper guide roller (64) are arranged between the two support plates (6), the first pneumatic brake device (63) is arranged on one support plate (6) and used for braking the first friction roller (61), and a corrugated surface of pit paper (40) is wound outside the first friction roller (61) in the back direction and then is wound out through the first paper guide roller (64); the pre-printing paper tensioning machine (701) comprises a left vertical plate (7) and a right vertical plate (7), a second friction roller (71), a second pneumatic brake device (72), a paper feeding end paper guide roller (75), a middle paper guide roller (73) and a paper discharging end paper guide roller (74), the second friction roller (71), the paper feeding end paper guide roller (75), the middle paper guide roller (73) and the paper discharging end paper guide roller (74) are arranged between the two vertical plates (7), the second pneumatic brake device (72) is arranged on one vertical plate (7) and used for braking the second friction roller (71), the paper feeding end paper guide roller (75), the middle paper guide roller (73) and the paper discharging end paper guide roller (74) are located below the second friction roller (71) and are distributed in the front position, the middle position and the rear position respectively.

5. The low loss, environmentally friendly pre-printed paperboard face-up production line of claim 1, wherein: the front hot plate conveying part (10) and the rear conveying part (30) both have power and synchronously move at the same speed; the ventilating and heating transition section (20) comprises a support frame (203), the ventilating and heating channel (201) is arranged on the support frame (203), the rollers are rotatably arranged on the support frame (203), and all the rollers are transversely arranged; the supporting frame (203) is further provided with a movable supporting piece and a lifting driving mechanism, the roller is rotatably arranged on the movable supporting piece, the movable supporting piece is movably arranged on the supporting frame (203) up and down and is connected with the supporting frame (203) through the lifting driving mechanism, and the position of the movable supporting piece is adjusted through the lifting driving mechanism, so that the distance between the roller and the lower side of the air-permeable heating channel (201) can be adjusted; a heat source is arranged on the roller to form a heating roller (1); a heat source is arranged on the lower side of the air-permeable heating channel (201), and the heat source is a transition section hot plate (202).

6. The low loss, environmentally friendly pre-printed paperboard face-up production line of claim 1, wherein: the front hot plate conveying part (10) comprises a hot plate part support (106), a front paper feeding channel (101) is arranged on the hot plate part support (106), a hot plate part conveying belt (102) and a lower hot plate (105) are respectively arranged on the upper side and the lower side of the front paper feeding channel (101), a conveying belt heating body is arranged at least close to an inlet end (107) of the front paper feeding channel (101) of the hot plate part conveying belt (102), and the hot plate part conveying belt (102) is heated before entering the front paper feeding channel (101), so that a paper board entering the front paper feeding channel (101) can be heated as soon as possible; an upper hot plate (104) is further arranged on the upper side of the front paper feeding channel (101), and the upper hot plate (104) is arranged on one side, back to the front paper feeding channel (101), of the hot plate conveying belt (102).

7. The low loss, environmentally friendly pre-printed paperboard face-up production line of claim 1, wherein: the rear conveying part (30) comprises an output section support, an output conveying belt and a driven roller (302), the output conveying belt and the driven roller (302) are respectively arranged on the output section support from top to bottom, a rear paper conveying channel (301) is formed between the output conveying belt and the driven roller (302), the driven roller (302) is provided with a plurality of rollers, and the driven rollers (302) are transversely arranged and are respectively in running fit with the output section support.

8. The low loss, environmentally friendly pre-printed paperboard face-up production line of claim 1, wherein: the outlet end of the double-sided machine (100) is also sequentially provided with a paper board cutting section and a paper output stacking section.

9. The low loss, environmentally friendly pre-printed paperboard face-up production line of claim 8, wherein: the paper output stacking section comprises a stacking machine (110), a frame (1106) located at the tail end of the stacking machine (110), a paper blocking plate (1101) and a paper storage table (1102), wherein the frame (1106) is provided with a travelling crane (1104) moving back and forth and a lifting driving device (1105) used for controlling the lifting movement of the paper storage table (1102), the paper blocking plate (1101) is located in the frame (1106) and is in transmission connection with the travelling crane (1104), the paper storage table (1102) is located in the frame (1106) and is in transmission connection with the lifting driving device (1105), and a pit (1103) is arranged on a mounting reference surface at the lower end of the frame (1106) corresponding to the paper storage table (1102).

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