CN107089030B

CN107089030B - Box pasting machine

Info

Publication number: CN107089030B
Application number: CN201710502373.2A
Authority: CN
Inventors: 姜有余
Original assignee: Zhejiang Roland Intelligent Technology Co ltd
Current assignee: Zhejiang Roland Intelligent Technology Co ltd
Priority date: 2017-06-27
Filing date: 2017-06-27
Publication date: 2023-05-23
Anticipated expiration: 2037-06-27
Also published as: CN107089030A

Abstract

The invention discloses a box pasting machine which comprises a frame, a paper feeding mechanism, a conveying mechanism, a folding mechanism and a pressing mechanism which are sequentially arranged on the frame, and is characterized in that a film pasting mechanism is arranged in front of the folding mechanism, the output end of the film pasting mechanism is connected with the input end of the folding mechanism, the folding mechanism comprises a bottom plate guide rail, a folding guide rail, an upper conveying component and a lower conveying component, a window pasting mechanism is additionally arranged on the side of the folding mechanism, a bottom plate paper kicking device is arranged in front of the bottom plate guide rail, and a longitudinal gluing device is arranged in front of the folding guide rail. The invention integrates the film pasting mechanism and the window pasting mechanism, can be used for pasting films aiming at large windows, and can be used for pasting films aiming at small windows, thereby greatly improving the working efficiency and reducing the production cost by combining the film pasting mechanism and the window pasting mechanism.

Description

Box pasting machine

Technical Field

The invention relates to an improved box pasting machine.

Background

The box pasting machine folds and forms the printed and die-cut paper boards and pastes the printed and die-cut paper boards, replaces a manual box pasting mode, reduces labor cost and improves efficiency. The existing box pasting machine mainly comprises a paper conveying part, a forming part and a box pressing part, the film pasting of the paper box is required to be completed on the film pasting machine and then enters the box pasting machine for paper box forming, and the film pasting of the large window or the small window is required to be completed on the film pasting machine, so that the production progress is seriously influenced, the production efficiency is greatly reduced, and the production cost is increased; the existing box pasting machine has the following problems that 1, a glue scraping sheet of a longitudinal glue feeding device of the traditional box pasting machine is arranged above the central line of a glue feeding disc, and the glue feeding disc can throw glue out of a glue barrel in the rotating process, dirty a frame and influence the glue feeding of a paperboard; 2. aiming at the defects that the mark of the primary indentation of a thick paper board indentation machine is not deep enough, the folded edge of the paper board is easy to deviate in the forming stage, thus influencing the forming and having high rejection rate of paper boxes; 3. aiming at the problems of large conveying difficulty and insufficient stability of a large paperboard; 4. the width of the existing box pasting machine cannot be adjusted, different machine types are needed to be adopted for paper boxes with different specifications, production cost is high, and practicality is low.

Disclosure of Invention

In view of the technical problems existing in the background art, the technical problems to be solved by the invention are to provide the box pasting machine which is high in production efficiency, low in production cost and good in paper box forming quality, and is suitable for processing and producing paper boxes with different specifications.

In order to solve the technical problems, the invention is realized by adopting the following technical scheme: the box pasting machine comprises a frame and a paper feeding mechanism, a conveying mechanism, a folding mechanism and a pressing mechanism which are sequentially arranged on the frame, and is characterized in that a film pasting mechanism is arranged in front of the folding mechanism, the output end of the film pasting mechanism is connected with the input end of the folding mechanism, the folding mechanism comprises a bottom plate guide rail, a folding guide rail, an upper conveying part and a lower conveying part, a window pasting mechanism is additionally arranged on the side of the folding mechanism, a bottom plate paper kicking device is arranged in front of the bottom plate guide rail, a longitudinal gluing device is arranged in front of the folding guide rail, the longitudinal gluing device comprises a glue barrel, a glue scraping head for removing redundant glue on the glue feeding disc and a glue feeding disc rotating power source, the lower end of the glue feeding disc is in contact with glue in the glue barrel, the glue scraping head is provided with a groove, the width of the groove is matched with the thickness of the glue feeding disc, the glue feeding disc is inserted into the groove, the glue scraping head is in contact with the two sides of the glue feeding disc, the glue scraping head is provided with the glue feeding disc, the glue feeding disc is provided with a gap between the glue feeding disc and the glue feeding disc, and the glue feeding disc is arranged on the circumference of the glue feeding disc.

The paper feeding device is characterized in that a paper pressing wheel is arranged above the paper feeding disc, the paper pressing wheel is a concave wheel, the paper feeding disc and a groove of the concave wheel are correspondingly arranged, a paper board guide plate is connected in front of the paper pressing wheel, and the paper board guide plate comprises an upper guide plate and a lower guide plate.

The bottom plate paper kicking device comprises a mounting plate, a paper kicking plate and a power source for driving the paper kicking plate to swing back and forth, wherein the upper end of the paper kicking plate is hinged with the mounting plate, the mounting plate is arranged on a frame, the mounting plate is provided with a side of a lower conveying part, the power source drives the paper kicking plate to swing upwards when the paper kicking working condition is achieved, and the paper kicking plate pushes the bottom plate to fold upwards.

The conveying mechanism comprises an upper conveying belt and a lower conveying belt, a secondary marking device is arranged above the lower conveying belt and comprises a pressing wheel and a mounting plate, the bottom surface of the pressing wheel is an inclined surface, the pressing wheels are at least provided with two, the pressing wheels are horizontally arranged in a straight line, the mounting plate is in an inverted L shape, the upper end of the mounting plate is connected with the frame, the lower end of the mounting plate is a pressing wheel mounting area, the pressing wheel mounting area is obliquely arranged, and the pressing wheels are mounted on the pressing wheel mounting area.

The paper feeding mechanism comprises a paper board conveying part and a paper pushing part, the paper pushing part is arranged in front of the paper board conveying part, the paper board conveying part comprises a conveying belt, the paper pushing part comprises a mounting seat, a paper supporting plate arranged on the mounting seat and a power assembly for driving the paper supporting plate to move horizontally back and forth, the power assembly comprises a rack, a gear, a rack guide seat and a power source for driving the gear to rotate, the rack is horizontally arranged back and forth, the mounting seat is arranged on the rack, the gear and the rack guide seat are arranged on the rack, the rack is meshed with the gear, the rack moves back and forth along the rack guide seat, the paper supporting plate is transversely arranged above the conveying belt, the paper supporting plate is obliquely arranged forward, and the lower end of the paper supporting plate is arranged on the paper supporting plate under the feeding working condition.

The conveying mechanism comprises a left conveying component, a middle plate conveying component and a right conveying component, the frame comprises a left wallboard and a right wallboard, a bracket adjusting device is arranged on the frame, the bracket adjusting device comprises a fixing bracket and an adjustable bracket which are respectively arranged on the left wallboard and the right wallboard, and a moving component which drives the adjustable bracket to move, the adjustable bracket is provided with a transverse beam, the fixing bracket is provided with a channel for the beam to be inserted, the middle plate conveying component is arranged on the beam through a locking component, the locking component comprises a mounting seat and a fixing block, the middle plate conveying component is arranged on the mounting seat, the fixing block is arranged above the beam, the mounting seat is arranged below the beam, and the fixing block is connected with the mounting seat through a connecting screw and is locked with the beam through a locking screw.

The movable part comprises a screw and a nut matched with the screw, the screw is arranged on the frame through a bearing, the right wall plate is connected with the nut, the upper conveying component of the left conveying part is arranged on the fixed support, the upper conveying component of the right conveying part is arranged on the adjustable support, the upper conveying component of the right conveying part is connected with the nut of the first ball screw, the first ball screw is arranged on the frame, the lower middle plate conveying part which is correspondingly arranged below the middle plate conveying part is arranged below the middle plate conveying part, the lower middle plate conveying part is connected with the nut of the second ball screw, and the second ball screw is arranged on the frame.

The film pasting mechanism comprises a material rack, a film taking device and a film conveying device, wherein the material rack is sequentially arranged on a rack from top to bottom, the film taking device is used for conveying films taken out by the film taking device to a paper board, the film conveying device is arranged above a lower conveying belt, the film taking device comprises a film sucking support, a suction nozzle arranged on the film sucking support and a power component for driving the film sucking support to swing up and down, the suction nozzle is connected with an air source, the film conveying device comprises an air pressure disc, a rotary disc and film conveying pieces, the film conveying pieces are at least provided with two groups and are uniformly distributed on the rotary disc, the air pressure disc is provided with a film sucking cavity and a film blowing cavity, the film conveying pieces comprise a suction nozzle II, the suction nozzle II is communicated with the film sucking cavity when the film conveying pieces are placed, and the suction nozzle II is communicated with the film blowing cavity when the film conveying pieces are placed.

The film sucking cavity and the film blowing cavity are respectively independent and take a second rotating shaft of the rotating disc as a center, the rotating disc drives the air pipe to rotate to form a circular track with the same radius as that of the film sucking cavity and the film blowing cavity, the starting point of the film blowing cavity is in the 6 o 'clock direction, the starting point of the film sucking cavity is in the 12 o' clock direction, the film sucking cavity is connected with the film blowing cavity, the film feeding piece further comprises a suction nozzle seat, the second suction nozzle is arranged on the suction nozzle seat, the air pipe is arranged on the suction nozzle seat, one end of the air pipe is connected with the second suction nozzle, and the other end of the air pipe is connected with the film sucking cavity during film sucking and is connected with the film blowing cavity during film releasing.

The air pressure disc is arranged on the frame, the rotary disc is attached to the air pressure disc, and the rotary disc is provided with a pressurizing spring which enables the rotary disc to be attached to the air pressure disc.

The invention integrates the film pasting mechanism and the window pasting mechanism, can be used for pasting films aiming at large windows, and can be used for pasting films aiming at small windows, thereby greatly improving the working efficiency and reducing the production cost by combining the film pasting mechanism and the window pasting mechanism; the glue scraping head is arranged below the central line of the glue feeding disc, the angle of the excess glue throwing out is small, and the excess glue does not throw out of the glue barrel, so that the problem that the glue pollutes a frame and the glue feeding of a paperboard is affected is avoided, and a paper pressing wheel is arranged above the glue feeding disc and matched with the glue feeding disc to ensure that the longitudinal glue feeding of the paperboard is complete, and the condition that the paperboard is not fed due to curling is avoided; the secondary indentation is adopted to deepen the indentation of the paperboard, so that the paperboard is molded smoothly, and the pinch roller mounting area of the mounting plate is obliquely arranged, so that the pinch roller is obliquely arranged, and the lateral side of the pinch roller is prevented from colliding with the folded paperboard; according to the conveying mechanism bracket adjusting device, the movable part drives the adjustable bracket to move, so that the distance between the left wallboard and the right wallboard is driven to be adjusted, the distance between the left wallboard and the right wallboard is shortened for small-size cartons, the left conveying part and the right conveying part are adopted, the distance between the left wallboard and the right wallboard is required to be increased for large-size cartons, and the middle plate conveying part is additionally arranged, so that the large-size cartons are conveyed more stably.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of the paper feeding mechanism of the present invention.

Fig. 3 is a schematic top view of the paper feeding mechanism of the present invention.

Fig. 4 is a schematic structural view of the secondary creasing device according to the present invention.

Fig. 5 is a schematic structural view of the secondary creasing device of the present invention mounted on a frame.

Fig. 6 is an enlarged view of fig. 5 a in accordance with the present invention.

Fig. 7 is a schematic structural view of the conveying mechanism of the present invention.

Fig. 8 is a schematic structural view of the locking member of the present invention.

Fig. 9 is a schematic structural view of a longitudinal gluing device according to the present invention.

Fig. 10 is a schematic structural view of a doctor blade according to the present invention.

Fig. 11 is a schematic structural view of the window attaching mechanism of the present invention.

Fig. 12 is a schematic cross-sectional view of a window attachment mechanism of the present invention.

Fig. 13 is a schematic structural view of the base plate paper kicking device of the present invention.

Fig. 14 is a schematic structural view of the base plate paper kicker of the present invention mounted on a frame.

Fig. 15 is a schematic view of the paperboard of the invention.

Detailed Description

The working principle of the invention and its related details are further described below with reference to the accompanying drawings. Referring to the drawings, the box pasting machine comprises a frame 10, a paper feeding mechanism 1, a conveying mechanism 2, a film pasting mechanism 3, a film pasting mechanism 4 and a pressing mechanism 5 which are sequentially arranged on the frame, wherein the output end of the film pasting mechanism 3 is connected with the input end of the film pasting mechanism 4, the film pasting mechanism 4 comprises a bottom plate guide rail 68, a film pasting guide rail, an upper conveying component and a lower conveying component, a window pasting mechanism 9 is additionally arranged on the side of the film pasting mechanism 4, referring to fig. 11 and 12, the window pasting mechanism comprises a material frame 51, a film taking device and a film feeding device, the film taking device takes out films and sends the films to a paperboard, the film feeding device is arranged above the lower conveying component, the film taking device comprises a film sucking bracket 54, a suction nozzle 53 and a power component for driving the film sucking bracket to swing up and down, the suction nozzle 53 is connected with an air source, the suction nozzle 53 is arranged below the material frame 51, if the suction nozzle 53 is arranged at the middle position of the material frame 51, the suction force is required by a large-pressure motor, the suction nozzle 53 is arranged at the front of the position of the air cylinder or the air cylinder, and the suction shaft 64 is required to be connected with the other end of the suction shaft or the suction device, and the suction device is required to be arranged at the other end of the suction shaft 64. The film feeding device comprises an air pressure disc 61, a rotary disc 59 and a film feeding piece, wherein a film sucking cavity 58 and a film blowing cavity 60 are arranged on the air pressure disc 61, the air pressure disc 51 is arranged on a frame 10, the rotary disc 59 is connected with a rotary shaft II 63, the rotary shaft II 63 is connected with a power source for driving the air pressure disc to rotate, the power source adopts a motor, the rotary disc 59 is attached to the air pressure disc 61, a pressurizing spring 62 for enabling the rotary disc to be attached to the air pressure disc is additionally arranged on the rotary disc 59, namely, an installation groove 66 is formed in the center of the rotary disc, the pressurizing spring 62 is arranged in the installation groove and is sleeved outside the rotary shaft II 63, one end of the pressurizing spring 62 is in contact with the rotary disc 59, and the other end of the pressurizing spring is in contact with a positioning block 67 on the rotary shaft, so that the elastic force of the pressurizing spring 62 enables the rotary disc 59 to be tightly pressed with the air pressure disc 61, and air leakage of the film sucking cavity 58 and the film blowing cavity 60 on the air pressure disc 61 is avoided; the film feeding parts are at least provided with two groups and are uniformly distributed on the turntable 59, in this embodiment, the film feeding parts are provided with three groups, namely a first film feeding part, a second film feeding part and a third film feeding part, the air pressure disc 61 is fixed, the film feeding parts comprise a second suction nozzle 55 and a second suction nozzle seat 56, the second suction nozzle is arranged on the second suction nozzle seat, the second suction nozzle seat 56 is provided with an air pipe 57, one end of the air pipe is connected with the second suction nozzle 55, the other end of the air pipe 57 is connected with the film sucking cavity 58 during film sucking, and the other end of the air pipe 57 is connected with the film blowing cavity 61 during film releasing. The film sucking cavity 58 and the film blowing cavity 60 are respectively independent circular arcs taking a rotating shaft 63 of a rotating disc as a center, the rotating disc 59 drives the air pipe 57 to rotate to form a circular track with the same radius as that of the film sucking cavity 58 and the film blowing cavity 60, the starting point of the film blowing cavity 58 is in the 6 o 'clock direction, the starting point of the film sucking cavity 60 is in the 12 o' clock direction, the film sucking cavity 58 is connected with the film blowing cavity 60, thus the second suction nozzle 55 sucks air in the 12 o 'clock direction, the second suction nozzle 55 sucks the film taken out by the film taking device until the film is rotated for 180 degrees, the air blowing is carried out in the 6 o' clock direction, the film is sent to the paper board, and in the embodiment, the air blowing cavity is equivalent to one o 'clock air blowing, and the air blowing is cut off after the air blowing is carried out in the 6 o' clock direction, and the paper board conveying after film covering can be affected by continuous air blowing. 13, 14 and 15, the bottom board paper kicking device comprises a mounting plate 71, a paper kicking plate 66 and a power source for driving the paper kicking plate to swing back and forth, wherein the power source adopts an air cylinder or a motor, the air cylinder is an air cylinder, the air cylinder 67 is mounted on the mounting plate 71, the upper end of the paper kicking plate 66 is hinged with the mounting plate 71 through a rotating shaft 70, the mounting plate 71 is mounted on the frame 10, the mounting plate 71 is arranged on the side of the conveying belt 65 and in front of the bottom board guide rail 68, so that the paper kicking plate 66 is connected with the bottom board guide rail 68, and when the paper kicking is performed, the paper kicking plate 26 is conveyed by the conveying belt 65 to the direction of the bottom board guide rail 68, the air cylinder 67 extends to push the paper kicking plate 66 to swing upwards by taking the rotating shaft 70 as the center, the paper kicking plate 66 pushes the bottom plate 72 to fold upwards, the upward folded bottom plate 72 smoothly enters the bottom board guide rail 68 to fold, and the air cylinder 67 is retracted afterwards, so that the paper kicking plate 66 is driven to swing downwards by taking the rotating shaft as the center to reset. The front of the folding guide rail is provided with a longitudinal gluing device 8, referring to fig. 9 and 10, the longitudinal gluing device comprises a glue barrel 45, a gluing disc 47, a glue scraping head 46 for removing redundant glue on the gluing disc and a power source for driving the gluing disc to rotate, wherein the power source adopts a motor, the lower end of the gluing disc 47 is contacted with the glue in the glue barrel 45, the glue scraping head 46 is contacted with two side surfaces of the gluing disc 47, the glue scraping head 46 is arranged below the center line of the gluing disc 47, the glue scraping head 46 is provided with a groove 50, the width of the groove 50 is matched with the thickness of the gluing disc, the gluing disc 47 is inserted into the groove, a gap 49 is reserved between the circumferential surface of the gluing disc 47 and the glue scraping head, and when the motor drives the gluing disc 47 to rotate, the groove 50 of the glue scraping head 46 is attached to the two side surfaces of the gluing disc 47, so that the redundant glue on the surface of the gluing disc 47 is not only prevented from being evenly glued, but also the redundant glue is prevented from being thrown out of the glue barrel; the top of rubberizing dish 47 is provided with the platen 48, and platen 48 and rubberizing dish 47 cooperation guarantee that the cardboard is indulged rubberizing and is complete, avoid the cardboard to warp to cause the condition of not rubberizing to take place, in this embodiment, platen 48 is the concave wheel, just the rubberizing dish corresponds the setting with the recess of concave wheel, and the concave wheel is more convenient for adjust its pressure with rubberizing dish 47 like this, platen 48 if be the flat wheel then need accurate adjustment pressure between the two, and the too big pressure can cause the influence to the cardboard transportation, and the too little glue that causes of pressure is uneven or glue volume is too little easily, finally leads to the carton bonding insecure. A paper board guide plate is connected in front of the paper pressing wheel 48, and comprises an upper guide plate 43 and a lower guide plate 44, and the paper board guide plate smoothly guides paper boards between the paper pressing wheel 48 and the rubberizing disc 47; the lower extreme of rubberizing dish 47 is soaked in the glue in glue barrel 45, and the motor drives rubberizing dish 47 and rotates, because the frictioning head 46 sets up the below of rubberizing dish central line, be stained with glue part and just be scraped unnecessary glue by the frictioning head by the central line of rubberizing dish not, even just begin the glue on the rubberizing dish like this and be thrown away, but the angle of throwing away is little, glue is not thrown away outside the glue barrel, the rubberizing dish of getting rid of unnecessary glue rotates to the below of platen, and cooperate with the platen and glue the cardboard between the two, cardboard rubberizing is even and right amount, the cardboard after the rubberizing is firmly bonded.

The paper feeding mechanism 1 comprises a paper board conveying component and a paper pushing component, referring to fig. 2 and 3, the paper pushing component is arranged in front of the paper board conveying component, the paper board conveying component comprises a conveying belt 21, the paper pushing component comprises a mounting seat 13, a paper supporting board 15 and a power component for driving the paper supporting board to horizontally move forwards and backwards, the paper supporting board 15 is transversely arranged above the conveying belt 21, and the paper supporting board 15 is obliquely arranged forwards, so that the paper supporting board 26 is in surface contact when placed on the paper supporting board, conveying is more stable, the paper supporting board 15 is connected with a connecting rod 11, the connecting rod 11 is movably arranged on the mounting seat 13, a slot is formed in the mounting seat 13, the connecting rod 11 is inserted into the slot and locked through a locking screw 12, when the height of the paper supporting board is adjusted, the locking screw 12 is released, the connecting rod 11 is pulled to move upwards or downwards, the height of the paper supporting board 15 is adjusted, and the paper supporting board is locked by the locking screw 12 after the adjustment, and the paper supporting board is very convenient to use; the power component comprises a rack 14, a gear 17, a rack guide seat 16 and a power source for driving the gear to rotate, wherein the rack 14 is horizontally arranged front and back, the mounting seat 13 is arranged on the rack 14, the gear 14 and the rack guide seat 16 are arranged on the rack 10, the rack 14 is meshed with the gear 17, the rack 14 moves back and forth along the rack guide seat 16, in the embodiment, the gear 17, the rack 14 and the rack guide seat 16 are provided with two groups, the back and forth movement is more stable, the two rack guide seats are respectively arranged on a left wallboard 20 and a right wallboard 22 of the rack, the two gears 17 are respectively arranged on a gear shaft 18, the gear shaft 18 is transversely arranged on the rack 10, a hand wheel 19 is arranged on the gear shaft 18, the gear shaft 18 is driven to rotate by rotating the hand wheel 19, the two gears 17 are driven to rotate simultaneously, the gear 17 is driven to move back and forth by rotating the gear 14, a paper board 26 is arranged on a paper board 15, and the lower end of the paper board 26 is arranged on a conveyer belt 21 under the feeding working condition. The invention adjusts the horizontal position and the height of the paper supporting plate 15 according to the specification of the paper supporting plate 15, so that the paper supporting plate 15 assists the paper 26 to smoothly and stably enter the conveying belt 21. For the paper board with larger specification, the hand wheel 19 is rocked, the gear shaft 18 drives the gear 17 to rotate, the gear 17 drives the rack 14 to move forwards, so that the paper supporting board 15 is far away from the conveying belt 21, the paper supporting board 15 can also be moved upwards, when the paper board 26 is placed on the paper supporting board 15, the paper board is pushed to move backwards to enter the conveying belt 21 by a proper inclination angle, and the paper board is ensured to completely enter the conveying belt 21; for small format cartons, the hand wheel 19 is rotated in opposite directions to bring the carrier sheet 15 closer to the conveyor belt 21, while also moving the carrier sheet downwardly.

Referring to fig. 7, the conveying mechanism includes a left conveying member 41, a right conveying member 30, and a middle plate conveying member 35, where the left conveying member 41 and the right conveying member 30 each include an upper conveying assembly and a lower conveying assembly that are disposed vertically and correspondingly, a lower middle plate conveying member 42 that is disposed vertically and correspondingly below the middle plate conveying member 35 is disposed below the middle plate conveying member 35, the upper conveying assembly includes an upper conveying belt and a plurality of upper driving wheels, the upper driving wheels are arranged in a longitudinal line, and the upper conveying belt is disposed on the lower driving wheels; the lower conveying assembly comprises a lower conveying belt and a plurality of lower driving wheels, the lower driving wheels are longitudinally arranged in a straight line, and the lower conveying belt is arranged on the lower driving wheels; the middle plate conveying component comprises a conveying belt and a plurality of driving wheels, the driving wheels are longitudinally arranged in a straight line, and the conveying belt is arranged on the driving wheels; the secondary indentation device is arranged above the lower conveying belt, as shown in fig. 4, 5 and 6, the secondary indentation device comprises a pressing wheel 28 and an installation plate 24, the installation plate 24 is arranged above the lower conveying belt of the paper board, the installation plate is in an inverted L shape, the upper end face of the installation plate 24 is a plane, the upper end of the installation plate 24 is arranged on the frame 10 and is connected with the frame through screws, the lower end of the installation plate 24 is a pressing wheel installation area 27, the paper board 26 is tilted upwards when the pressing wheel 28 rolls the paper board, an included angle formed by the paper board 26 and the horizontal plane is 30-60 degrees, the bottom face of the pressing wheel 28 is an inclined plane, the pressing wheel installation area 27 is obliquely arranged, and the pressing wheel 28 is arranged on the pressing wheel installation area 27, so that an included angle formed by the bottom face of the pressing wheel 28 and the horizontal plane is larger than 60 degrees, and the paper board 26 and the pressing wheel 28 are completely prevented from colliding or rubbing; the pinch rollers 28 are at least two, the pinch rollers 28 are horizontally arranged in a line, when the paper board 26 is conveyed by the paper board upper conveying belt and the paper board lower conveying belt, the plurality of pinch rollers 28 are arranged in a line to continuously roll the paper board 26, the indentation of the paper board 26 is deepened, the indentation effect is better and more obvious, the paper board folding edge is not offset, the paper box quality is ensured, and the qualification rate of the paper box is improved. Referring to fig. 7 and 8, the rack 10 is provided with a bracket adjusting device, the bracket adjusting device comprises a fixed bracket 31 and an adjustable bracket 39 which are respectively installed on a left wallboard and a right wallboard, and a moving part for driving the adjustable bracket to move, the moving part comprises a screw rod and a nut matched with the screw rod, the screw rod is installed on the rack 10 through a bearing, and the right wallboard is connected with the nut, not shown in the figure; the adjustable bracket is provided with a transverse beam 33, the fixed bracket is provided with a channel 32 for inserting the beam, the upper end surface and the lower end surface of the beam 33 are respectively provided with a sliding bearing 34, the sliding bearings 34 are arranged on the fixed bracket 31, and when the adjustable bracket 39 moves, the sliding bearings 34 enable the beam 33 to smoothly enter the channel 32, so that the beam 33 is prevented from colliding with the fixed bracket 31; the middle plate conveying member 35 is arranged between the left conveying member 41 and the right conveying member 30, the lower middle plate conveying member 42 is connected with a nut of a second ball screw, and the second ball screw is mounted on the frame 10; the upper conveying assembly of the left conveying component is arranged on the fixed bracket 31, the upper conveying assembly of the right conveying component is arranged on the adjustable bracket 39, the upper conveying assembly of the right conveying component is connected with a nut of a first ball screw, and the first ball screw is arranged on the frame; the middle plate conveying member 35 is arranged on the cross beam 33 through a locking member, the locking member comprises an installation seat 36 and a fixed block 37, the middle plate conveying member 35 is arranged on the installation seat 36, the fixed block 37 is arranged above the cross beam 33, the installation seat 36 is arranged below the cross beam 33, the fixed block 37 is connected with the installation seat 36 through a connecting screw 38, and the fixed block 37 is locked with the cross beam 33 through a locking screw 40. The invention aims at a large-size paper box, the distance between a left wallboard and a right wallboard is required to be increased, namely, a screw rod is rotated to enable a nut to move on the screw rod, the nut drives the right wallboard, an adjustable bracket 39 and an upper conveying component of a right conveying component 30 to move to the right side, the conveying width of the paper box is increased, then the position of a lower conveying component of the right conveying component 30 is adjusted through a ball screw, the positions of the upper conveying component and the lower conveying component of the right conveying component 30 are vertically corresponding, then a middle plate conveying component 35 is arranged on a cross beam 33, namely, a mounting seat 36 is connected with a fixed block 37 through a connecting screw 38, then the fixed block 37 is fixed on the cross beam 33 through a locking screw 40, when the position of the middle plate conveying component 35 is adjusted, the locking screw 40 is loosened, the mounting seat 36 and the fixed seat 37 are moved on the cross beam 33, and after the position is determined, the locking screw 40 is screwed; after the middle plate conveying member 35 is installed, the positions of the lower middle plate conveying member 42 are adjusted through the ball screw II, so that the positions of the middle plate conveying member 35 and the lower middle plate conveying member 42 are vertically corresponding, the middle plate conveying member is suitable for conveying large-size paper boxes, the middle plate conveying is increased, and the conveying stability is improved; for small-size paper boxes, the distance between the left wallboard and the right wallboard is reduced, and the middle board conveying component 35 is not needed, so that the middle board conveying component 35 can be removed, when the middle board conveying component 35 is removed, only the locking screw 40 and the connecting screw 38 are needed to be loosened, then the right wallboard is driven to move leftwards by the adjusting screw, the cross beam 33 of the adjustable bracket is inserted into the channel 32 of the fixed bracket, the distance between the left conveying component 41 and the upper conveying component of the right conveying component 30 is reduced, and then the lower conveying component of the right conveying component 30 is adjusted by the ball screw to be vertically corresponding to the position of the upper conveying component of the right conveying component 30, so that the small-size paper boxes are suitable for small-size paper boxes.

When the machine works, the paper board is arranged on the paper board, the lower end of the paper board is arranged on the conveying belt, the paper board enters the conveying mechanism, the paper board passes through the secondary indentation device, the pressing wheel performs secondary indentation on the paper board, the indentation of the paper board is deepened, then the conveying mechanism conveys the paper board to the film pasting mechanism, if the paper board needs film pasting, the film pasting work is performed, if no film pasting is performed, the paper board is conveyed to the folding mechanism, the paper board passes through the longitudinal gluing device, the gluing disc is matched with the paper pressing wheel to glue the paper board longitudinally, after the paper board is glued, the paper board passes through the window pasting mechanism, the bottom board kicking device and the folding mechanism, if the paper board needs window pasting, the paper board enters the window pasting mechanism to paste, the film sucking bracket swings upwards to be close to the bottom end of the material frame, the front end of the bottommost film is adsorbed by the suction nozzle ventilation, the power source drives the rotating shaft to reversely rotate, the film sucking bracket swings downwards, the suction nozzle pulls down the adsorbed film, the film above the film is still in a flat state when the film at the bottommost layer moves downwards due to the tension of the film, the film is not influenced, the suction nozzle drives the film to move downwards, continuous tension does not occur, only one film is driven to move downwards, the film is separated from the material frame, the turntable drives the film sucking piece to rotate to a 12 o 'clock direction, at the moment, the air pipe is communicated with the film sucking cavity, the suction nozzle sucks the film adsorbed by the suction nozzle, the air is cut off, the suction nozzle is not adsorbed by the suction nozzle II, the suction nozzle II is always in a suction state until the turntable continues to rotate to a 6 o' clock direction, the motor drives the rotating shaft to reversely rotate, the film sucking bracket swings upwards, the suction nozzle sucks the film again, and repeats the actions, and the film feeding piece II performs the action of sucking; when the first film sucking part rotates to the direction of a clock, the air pipe is communicated with the film blowing cavity, the second suction nozzle blows air to send the film to the paper board, the second suction nozzle is in an air-off state after the film is sent, and the second film feeding part and the third film feeding part send the film to the next paper board one by one along with the rotation of the rotary table, so that the film is sent three times every circle of rotation of the rotary table; get into the bottom plate after the pad pasting is accomplished and play paper device, the cylinder stretches out, promotes to play the cardboard and upwards swings with the pivot as the center, play the cardboard and promote the bottom plate upwards to roll over, make the bottom plate that rolls over get into the bottom plate guide rail smoothly, fold, and the cylinder is retracted afterwards, drive play the cardboard and use the pivot to roll down as the center, reset, then get into next play paper work, the cardboard is accomplished after the bottom plate is folding and is got into this guide rail and accomplish the cost and roll over, get into pressing mechanism after the cardboard is folding, go on the pressfitting by pressing mechanism's last pressfitting conveyer belt and lower pressfitting conveyer belt upper and lower cooperation pressfitting cardboard after the folding pressfitting, finally unified collection.

Claims

1. The box pasting machine comprises a frame, a paper feeding mechanism, a conveying mechanism, a folding mechanism and a pressing mechanism which are sequentially arranged on the frame, and is characterized in that a film pasting mechanism is arranged in front of the folding mechanism, the output end of the film pasting mechanism is connected with the input end of the folding mechanism, the folding mechanism comprises a bottom plate guide rail, a folding guide rail, an upper conveying part and a lower conveying part, a window pasting mechanism is additionally arranged on the side of the folding mechanism, a bottom plate paper kicking device is arranged in front of the bottom plate guide rail, a longitudinal gluing device is arranged in front of the folding guide rail, the longitudinal gluing device comprises a glue barrel, a glue scraping head for removing redundant glue on the glue scraping disc and a rotating power source for driving the glue scraping disc, the lower end of the glue feeding disc is in contact with glue in the glue barrel, the glue scraping head is provided with a groove, the width of the groove is matched with the thickness of the glue feeding disc, the glue scraping head is inserted into the groove, the glue scraping head is in contact with two side surfaces of the glue feeding disc, the glue scraping head is provided with the glue scraping disc, the glue scraping head is provided with the center line of the glue feeding disc, and the glue scraping head is arranged between the glue feeding disc and the glue feeding disc; the conveying mechanism comprises an upper conveying belt and a lower conveying belt, a secondary indentation device is arranged above the lower conveying belt and comprises a pressing wheel and a mounting plate, the bottom surface of the pressing wheel is an inclined surface, the pressing wheels are at least two, the pressing wheels are horizontally arranged in a straight line, the mounting plate is in an inverted L shape, the upper end of the mounting plate is connected with the frame, the lower end of the mounting plate is a pressing wheel mounting area, the pressing wheel mounting area is obliquely arranged, and the pressing wheels are mounted on the pressing wheel mounting area.

2. The box pasting machine of claim 1, wherein a paper pressing wheel is arranged above the gluing disc, the paper pressing wheel is a concave wheel, the gluing disc is correspondingly arranged with a groove of the concave wheel, a paper board guide plate is connected in front of the paper pressing wheel, and the paper board guide plate comprises an upper guide plate and a lower guide plate.

3. The box pasting machine of claim 1, wherein the base plate paper kicking device comprises a mounting plate, a paper kicking plate and a power source for driving the paper kicking plate to swing back and forth, the upper end of the paper kicking plate is hinged with the mounting plate, the mounting plate is arranged on the frame, the mounting plate is arranged on the side of the lower conveying part, and when the paper kicking working condition is carried out, the power source drives the paper kicking plate to swing upwards, and the paper kicking plate pushes the base plate to fold upwards.

4. The box pasting machine of claim 1, wherein the paper feeding mechanism comprises a paper board conveying part and a paper pushing part, the paper pushing part is arranged in front of the paper board conveying part, the paper board conveying part comprises a conveying belt, the paper pushing part comprises a mounting seat, a paper supporting plate arranged on the mounting seat and a power assembly for driving the paper supporting plate to horizontally move back and forth, the power assembly comprises a rack, a gear, a rack guide seat and a power source for driving the gear to rotate, the rack is horizontally arranged back and forth, the mounting seat is arranged on the rack, the gear and the rack guide seat are arranged on the rack, the rack is meshed with the gear, the rack moves back and forth along the rack guide seat, the paper supporting plate is transversely arranged above the conveying belt, the paper supporting plate is obliquely arranged forward, and in a feeding working condition, the paper supporting plate is arranged on the paper supporting plate, and the lower end of the paper supporting plate is arranged on the conveying belt.

5. The box pasting machine of claim 1, wherein the conveying mechanism comprises a left conveying component, a middle plate conveying component and a right conveying component, the frame comprises a left wallboard and a right wallboard, the frame is provided with a bracket adjusting device, the bracket adjusting device comprises a fixing bracket and an adjustable bracket which are respectively arranged on the left wallboard and the right wallboard, and a moving component which drives the adjustable bracket to move, the adjustable bracket is provided with a transverse beam, the fixing bracket is provided with a channel for the beam to be inserted, the middle plate conveying component is arranged on the beam through a locking component, the locking component comprises a mounting seat and a fixing block, the middle plate conveying component is arranged on the mounting seat, the fixing block is arranged above the beam, the mounting seat is arranged below the beam, the fixing block is connected with the mounting seat through a connecting screw, and the fixing block is locked with the beam through a locking screw.

6. The box pasting machine of claim 5, wherein the moving member comprises a screw and a nut matched with the screw, the screw is mounted on the frame through a bearing, the right wall plate is connected with the nut, the upper conveying assembly of the left conveying member is mounted on the fixed bracket, the upper conveying assembly of the right conveying member is mounted on the adjustable bracket, the upper conveying assembly of the right conveying member is connected with the nut of the first ball screw, the first ball screw is mounted on the frame, the lower middle plate conveying member arranged correspondingly to the first ball screw is arranged below the middle plate conveying member, the lower middle plate conveying member is connected with the nut of the second ball screw, and the second ball screw is mounted on the frame.

7. The box pasting machine of claim 1, wherein the window pasting mechanism comprises a material rack, a film taking device and a film feeding device, wherein the material rack, the film taking device and the film feeding device are sequentially arranged on a rack from top to bottom, the film feeding device is arranged above a lower conveying belt, the film taking device comprises a film sucking support, a suction nozzle and a power component, the suction nozzle is arranged on the film sucking support, the power component drives the film sucking support to swing up and down, the suction nozzle is connected with an air source, the film feeding device comprises an air pressure disc, a turntable and film feeding pieces, the film feeding pieces are at least provided with two groups and are uniformly distributed on the turntable, the air pressure disc is provided with a film sucking cavity and a film blowing cavity, the film feeding pieces comprise a suction nozzle II, the suction nozzle II is communicated with the film sucking cavity when the film is sucked, and the film feeding pieces are communicated with the film blowing cavity when the film is discharged.

8. The box pasting machine of claim 7, wherein the film sucking cavity and the film blowing cavity are respectively independent and are arc-shaped with a rotating shaft II of the rotating disc as a center, the rotating disc drives the air pipe to rotate to form a circular track with the same radius as that of the film sucking cavity and the film blowing cavity, the starting point of the film blowing cavity is in the 6 o 'clock direction, the starting point of the film sucking cavity is in the 12 o' clock direction, the film sucking cavity is connected with the film blowing cavity, the film feeding piece further comprises a suction nozzle seat, the suction nozzle II is arranged on the suction nozzle seat, an air pipe is arranged on the suction nozzle seat, one end of the air pipe is connected with the suction nozzle II, and the other end of the air pipe is connected with the film sucking cavity during film sucking and is connected with the film blowing cavity during film releasing.

9. The box pasting machine of claim 7 or 8, wherein the air pressure disc is arranged on the frame, the rotary disc is attached to the air pressure disc, and a pressurizing spring for attaching the rotary disc to the air pressure disc is additionally arranged on the rotary disc.