CN219857852U - Boxing machine with linkage mechanism - Google Patents

Abstract

The utility model discloses a boxing machine with a linkage mechanism, which is arranged in the scheme, on one hand, the action of an upper adsorption mechanism, a lower adsorption mechanism and a paper box conveying and cover closing mechanism can be driven by controlling only one motor, the control is simple, the programming of a control program can be simplified, and the time is saved; on the other hand, the electric cost can be saved and the occupation of space can be reduced by reducing the number of motors.

Description

Boxing machine with linkage mechanism

Technical Field

The utility model relates to a boxing machine with a linkage mechanism.

Background

In a packaging production line, a boxing machine is generally adopted to boxing different products, so that the packaging of the products is realized, and the product transportation is facilitated.

Chinese patent publication No. CN113173294a discloses an automatic boxing apparatus, which comprises a box opening device, the box opening device comprises an upper adsorption mechanism and a lower adsorption mechanism which can reciprocate up and down, the upper adsorption mechanism obtains a package box from a package box conveying device, and the lower adsorption mechanism cooperates with the upper adsorption mechanism to realize opening of the package box. However, the upper adsorption mechanism is driven by the upper driving motor to operate, the lower adsorption mechanism is driven by the lower driving motor to operate, and the two adsorption mechanisms are required to operate through different motor driving, so that the control system of the machine needs to respectively control different motors, the control is complex, when a plurality of motors are used for operation, the flow and the program quantity written for the program are large, and a lot of time is required to debug the program. In addition, other devices of the equipment, such as a feeding conveyor belt, can be applied to the motor, and when the motor is more, the occupied space is relatively large.

Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by the person skilled in the art.

Disclosure of Invention

The utility model overcomes the defects of the technology and provides the boxing machine with the linkage mechanism.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a cartoning machine with link gear, includes frame 1, be equipped with on the frame 1 be used for absorbing the slice carton and can reciprocating rotary motion go up adsorption device 2, be used for making slice carton fashioned can reciprocate wobbling lower adsorption device 3 from top to bottom with last adsorption device 2 cooperation, be used for receiving the carton that is adsorbed by lower adsorption device 3 and transversely carry carton transfer chain 4, be used for pushing the product into the material pushing mechanism 5 in the fashioned carton transfer chain 4 on the carton, be used for carrying out the closing mechanism of folding over ear and buckle closure to the carton that has had the product, still be equipped with on the frame 1 and be used for going up adsorption device 2, lower adsorption device 3, carton transfer chain 4, closing the link gear 7 that the mechanism acted together through a motor drive.

Preferably, the linkage mechanism 7 comprises a first motor 71 arranged at the bottom of the frame 1, and a transversely extending main shaft 72 rotatably connected to the frame 1, wherein the main shaft 72 enables the lower adsorption mechanism 3 to reciprocate up and down through the transmission action of the main shaft 72 and the first transmission assembly 73, enables the upper adsorption mechanism 2 to reciprocate up and down through the transmission action of the main shaft and the second transmission assembly 74, enables the cover closing mechanism to fold and close the cover through the transmission action of the third transmission assembly 75, and enables the carton conveying line 4 to convey through the transmission action of the fourth transmission assembly 76.

Preferably, the main shaft 72 is provided with a first main shaft bevel gear 721, a second main shaft bevel gear 722, a third main shaft bevel gear 723, a first main sprocket 724 and a second main sprocket 725 in sequence from right to left, and the first motor 71 is in driving connection with the first main sprocket 724 through a first main chain 77 to rotate the main shaft 72.

Preferably, the first transmission assembly 73 includes a first driving bevel gear 731 engaged with the first main shaft bevel gear 721, and a first connecting shaft 732 connected to the first driving bevel gear 731 for connecting to a certain component of the lower suction mechanism 3; the second transmission assembly 74 comprises a second driving bevel gear 741 meshed with the second main shaft bevel gear 722, and a second connecting shaft 742 connected with one part of the upper adsorption mechanism 2 connected with the second driving bevel gear 741; the third transmission assembly 75 includes a third driving bevel gear 751 engaged with the third main shaft bevel gear 723, a third connecting shaft 752 connected to the third driving bevel gear 751, and a fourth driving bevel gear 753 mounted on the third connecting shaft 752 and connected to a certain component of the capping mechanism.

Preferably, the fourth drive assembly 76 includes a second chain 761 intermeshed with the second main sprocket 725, the second chain 761 being connected to a third chain 763 through a divider 762, the third chain 763 being connected to a first drive sprocket 764 for connection with the drive shaft 41 of the carton transfer line 4.

Preferably, the upper suction mechanism 2 comprises an upper suction rocker 21 connected with a second connecting shaft 742, and the upper suction rocker 21 is connected with a first sucking disc 23 which is used for sucking the top surface of the sheet-shaped paper box and can reciprocate and rotate through a connecting rod mechanism 22; the lower suction mechanism 3 comprises a lower suction rocker 31, a lower suction connecting rod 32 and a lower suction box swinging member 33 which are connected with a first connecting shaft 732, one end of the lower suction connecting rod 32 is connected with the lower suction rocker 31, the other end is connected with the lower suction box swinging member 33, and a plurality of second suckers 34 for sucking the bottom surface of the sheet-shaped paper box are arranged on the lower suction box swinging member 33.

Preferably, the cover closing mechanism comprises a lug folding assembly 61 respectively arranged at the front side and the rear side of the paper box conveying line 4, a cover closing assembly 62 respectively arranged at the front side and the rear side of the paper box conveying line 4, and a cam assembly 63 for synchronously operating the lug folding assembly 61 and the cover closing assembly 62.

Preferably, each cover closing assembly 62 includes a mounting seat 621 disposed on the frame 1, a first driven pulley shaft 622 passing through a through hole of the mounting seat 621, the first driven pulley shaft 622 is sequentially connected with a first bevel gear 623 capable of being meshed with a fourth driving bevel gear 753, a first synchronous pulley 624 and a first crank 625 from bottom to top, the first synchronous pulley 624 is connected with a second synchronous pulley 627 through a synchronous belt 626, the second synchronous pulley 627 is connected with a second driven pulley shaft 628, the second driven pulley shaft 628 is connected with a second crank 629 disposed in parallel with the first crank 625, the first crank 625 and the second crank 629 are respectively connected with a first vertical rotating shaft 6251 and a second vertical rotating shaft 6291, and a rotatable cover closing plate 630 for inserting and closing the cover is inserted between upper ends of the first vertical rotating shaft 6251 and the second vertical rotating shaft 6291.

Preferably, the cover plate 630 is provided with a tongue portion 6301 for inserting a tongue and a cover portion 6302 for closing a cover.

Preferably, the cam assembly 63 includes a circular cam 631 mounted on the first driven pulley shaft 622/the second driven pulley shaft 628, a cam follower 632 rotatably connected to the mounting base 621, and a first link 633 capable of swinging left and right connected to the cam follower 632, and the first link 633 is connected to the lug assembly 61.

Compared with the prior art, the utility model has the beneficial effects that:

1. the linkage mechanism is arranged, so that on one hand, the actions of the upper adsorption mechanism, the lower adsorption mechanism, the paper box conveying and cover closing mechanism can be driven by controlling only one motor, the control is simple, the control program writing can be simplified, and the time is saved; on the other hand, the number of motors can be reduced, so that the electric cost can be saved, and the occupation of space can be reduced.

2. The first driving bevel gear of the first transmission assembly and the first connecting shaft are arranged, so that the first driving bevel gear is in transmission connection with the first main shaft bevel gear of the main shaft, and the lower suction rocker of the lower suction mechanism is driven to swing. The second driving bevel gear of the second transmission assembly and the second connecting shaft are arranged so as to drive the upper suction rocker of the upper suction mechanism to swing. The third driving bevel gear, the third connecting shaft and the fourth driving bevel gear of the third transmission assembly can be used for transmitting and connecting the first main shaft bevel gear of the main shaft with the first bevel gear of the cover closing mechanism, so that power transmission is realized, and the movement of the lug folding assembly and the cover closing assembly of the cover closing mechanism can be driven conveniently. The second chain, the divider input sprocket, the divider, the third chain and the first driving sprocket of the fourth driving assembly are arranged, so that the second main shaft bevel gear of the main shaft can be connected with the carton conveying line in a driving manner, intermittent conveying is realized through the divider, the driving stability is high, the driving shaft is driven to rotate, and the carton conveying line can be conveyed.

3. The lug folding assembly and the cover folding assembly are arranged front and back, the lug folding can be carried out on the front end lug folding and the rear end lug folding of the paper box respectively, and the cover folding can be carried out on the front cover and the rear cover of the paper box. The cover closing assembly is in transmission connection with the fourth driving bevel gear of the third transmission assembly through the arrangement of the first bevel gear of the cover closing assembly. And the first driven pulley shaft and the second driven pulley shaft synchronously rotate under the synchronous action of the synchronous belt, the first synchronous pulley and the second synchronous pulley. Then a parallel double-crank mechanism is formed by the first crank, the second crank, the first vertical rotating shaft, the second vertical rotating shaft and the closing cover plate, so that the two cranks rotate in the same direction at the same speed, the linkage is good, and the closing cover action can be realized.

Drawings

Fig. 1 is a rear view of a portion of a frame of the present drop-out rack.

Fig. 2 is a schematic perspective view of the present case.

Fig. 3 is a schematic view of a part of the structure including a linkage mechanism.

Fig. 4 is a schematic diagram of a partial structure of the linkage mechanism of the present case.

Fig. 5 is a schematic structural view of the upper and lower adsorption mechanisms in this case.

Fig. 6 is a schematic structural diagram of the adsorption mechanism under the present case.

Fig. 7 is a schematic view of a part of a closure assembly.

Fig. 8 is a schematic structural view of the closing mechanism.

Detailed Description

The following examples are provided to illustrate the features of the present utility model and other related features in further detail to facilitate understanding by those skilled in the art:

as shown in fig. 1 to 8, a boxing machine with a linkage mechanism comprises a frame 1, wherein an upper adsorption mechanism 2 which is used for sucking a sheet-shaped paper box and can reciprocate and rotate is arranged on the frame 1, a lower adsorption mechanism 3 which is used for being matched with the upper adsorption mechanism 2 to enable the sheet-shaped paper box to be molded and can reciprocate up and down, a paper box conveying line 4 which is used for receiving the paper box adsorbed by the lower adsorption mechanism 3 and transversely conveying the paper box, a pushing mechanism 5 which is used for pushing a product into the paper box on the molded paper box conveying line 4, and a cover closing mechanism which is used for folding ears and buckling covers of the paper box filled with the product are arranged on the frame 1, and a linkage mechanism 7 which is used for driving the upper adsorption mechanism 2, the lower adsorption mechanism 3, the paper box conveying line 4 and the cover closing mechanism to act together through a motor is also arranged on the frame 1. The pushing mechanism 5 is commonly used in the market and is composed of a Y-axis linear module 51 and a push plate 52 driven by the Y-axis linear module 51 to move back and forth. The machine frame 1 is also provided with a paper box storage bin 8 positioned at the upper part of the machine frame and used for storing sheet paper boxes, and a discharging device 9 arranged at one side of the output end of the paper box conveying line 4 and used for receiving the paper boxes which have been packaged, the upper adsorption mechanism 2 adsorbs the sheet paper boxes of the paper box storage bin 8, and the paper box conveying line 4 is provided with a plurality of pairs of paper box baffles.

As described above, the linkage mechanism 7 can drive the actions of the upper adsorption mechanism 2, the lower adsorption mechanism 3, the paper box conveying mechanism 4 and the cover closing mechanism by controlling only one motor, so that the control is simple, the control program writing can be simplified, and the time is saved; on the other hand, the number of motors can be reduced, so that the electric cost can be saved, and the occupation of space can be reduced.

As shown in fig. 3, in the embodiment, the linkage mechanism 7 includes a first motor 71 disposed at the bottom of the frame 1, a transversely extending spindle 72, the bottom of the frame 1 is connected with a motor mounting base plate 11 on which the first motor 71 is mounted, the spindle 72 is mounted on the frame 1 and rotationally connected with the frame 1, the spindle 72 drives the lower suction mechanism 3 to reciprocate up and down through a transmission action with the first transmission assembly 73, drives the upper suction mechanism 2 to reciprocate through a transmission action with the second transmission assembly 74, folds the lug and closes the cover of the cover closing mechanism through a transmission action with the third transmission assembly 75, and enables the carton conveying line 4 to convey through a transmission action with the fourth transmission assembly 76. In this way, the first motor 71 can be controlled to drive the spindle 72 to rotate, and then the upper adsorption mechanism 2, the lower adsorption mechanism 3, the paper box conveying 4 and the cover closing mechanism are driven to operate under the transmission action of the spindle 72 and each transmission component, so that the linkage is good.

As shown in fig. 3 and 4, in the embodiment, the main shaft 72 is provided with a first main shaft bevel gear 721, a second main shaft bevel gear 722, a third main shaft bevel gear 723, a first main sprocket 724, and a second main sprocket 725 in order from right to left, a motor sprocket 711 is connected to a rotation shaft of the first motor 71, and the motor sprocket 711 is in driving connection with the first main sprocket 724 through a first main chain 77 to rotate the main shaft 72. So to be connected with each drive assembly transmission through each main shaft bevel gear and each main sprocket, wherein, the transmission efficiency of bevel gear is high, and transmission performance is very stable, and the wearability is good, and the sprocket is convenient for realize chain drive with the cooperation of chain, and its average transmission ratio is accurate, reliable operation, efficient, and transfer power is big. When the chains are long, transition sprockets are typically provided between the chains.

As shown in fig. 3 and 4, in the embodiment, the first transmission assembly 73 includes a first driving bevel gear 731 that is meshed with the first main shaft bevel gear 721, and a first connecting shaft 732 that is connected to the first driving bevel gear 731 and is connected to the suction rocker 31 of the suction mechanism 3.

The second transmission assembly 74 includes a second driving bevel gear 741 engaged with the second main shaft bevel gear 722, and a second connection shaft 742 connected to the upper suction rocker 21 of the upper suction mechanism 2 connected to the second driving bevel gear 741.

The third transmission assembly 75 comprises a third driving bevel gear 751 meshed with a third main shaft bevel gear 723, and a third connecting shaft 752 connected with the third driving bevel gear 751, wherein the third connecting shaft 752 is provided with two fourth driving bevel gears 753 distributed on the front side and the rear side of the carton conveying line 4, and the fourth driving bevel gears 753 are connected with the first bevel gear 623 of the capping mechanism.

The fourth drive assembly 76 includes a second chain 761 intermeshed with the second main sprocket 725, the second chain 761 being connected by a divider 762 to a third chain 763, the third chain 763 being connected to a first drive sprocket 764 for connection with the drive shaft 41 of the carton transfer line 4. The divider 762 is a cam divider. The cam divider is provided with a divider input sprocket 7621 and a divider output sprocket 7622.

As described above, the first driving bevel gear 731 and the first connecting shaft 732 of the first transmission assembly 73 are disposed so as to be in driving connection with the first spindle bevel gear 721 of the spindle 72, so as to drive the suction rocker 31 of the suction mechanism 3 to swing. The second driving bevel gear 741 and the second connecting shaft 742 of the second transmission assembly 74 are arranged so as to drive the upper suction rocker 21 of the upper suction mechanism 2 to swing. The third driving bevel gear 751, the third connecting shaft 752, and the fourth driving bevel gear 753 of the third transmission assembly 75 are configured to connect the first main shaft bevel gear 721 of the main shaft 72 with the first bevel gear 623 of the lid closing mechanism in a transmission manner, so as to achieve power transmission, so as to facilitate driving the movement of the tab folding assembly 61 and the lid closing assembly 62 of the lid closing mechanism. The second chain 761, the divider input sprocket 762, the divider 762, the third chain 763, and the first driving sprocket 764 of the fourth driving assembly 76 are arranged so as to connect the second spindle bevel gear 722 of the spindle 72 with the carton conveying line 4 in a driving manner, and the intermittent conveying is realized through the divider 762, so that the driving stability is high, and the driving shaft 41 is driven to rotate, so that the carton conveying line 4 can be conveyed.

As shown in fig. 5 and 6, in the embodiment, the upper suction mechanism 2 includes an upper suction rocker 21 connected to a second connecting shaft 742, and the upper suction rocker 21 is connected to a first suction cup 23 for sucking the top surface of the sheet-shaped paper box and capable of reciprocating and rotating through a link mechanism 22; the lower suction mechanism 3 comprises a lower suction rocker 31, a lower suction connecting rod 32 and a lower suction box swinging member 33 which are connected with a first connecting shaft 732, one end of the lower suction connecting rod 32 is connected with the lower suction rocker 31, the other end is connected with the lower suction box swinging member 33, and a plurality of second suckers 34 for sucking the bottom surface of the sheet-shaped paper box are arranged on the lower suction box swinging member 33.

The linkage mechanism 22 is a linkage mechanism capable of rotating, the linkage mechanism 22 may be composed of an upper suction linkage 221, an upper suction swing arm 222, an upper suction rotating shaft 223, an upper suction swing rod 224, an upper suction box rod 225, an upper suction head mounting plate 226, a steering shaft 227 and a bearing seat 228, one end of the upper suction linkage 221 is connected with the upper suction swing arm 21, the other end of the upper suction swing arm is connected with the upper suction swing arm 222 through the upper suction rotating shaft 223, the upper suction swing arm 224 is provided with two upper suction swing arms and is connected with the front end and the rear end of the upper suction swing arm 223, the front end/the rear end of the upper suction swing arm 224 is connected with the steering shaft 227 perpendicular to the upper suction swing arm 224 through a transition block 229, and the steering shaft 227 is connected on the frame 1 through the bearing seat 228; an upper suction box rod 225 is further connected between two upper suction swing rods 224 far away from the upper suction rotating shaft 223, the upper suction head mounting plate 226 is mounted on the upper suction box rod 225, and the first suction disc 23 is mounted on the upper suction head mounting plate 226. The suction box swinging member 33 comprises a suction swing arm 331, a suction box shaft 332, a suction swing rod 333, and a suction head mounting plate 334, one end of the suction swing arm 331 is connected with the suction connecting rod 32, the other end is connected with the suction box shaft 332, the suction swing rod 333 is mounted on the suction box shaft 332, the front and rear ends of the suction box shaft 332 are respectively hinged with the frame 1, and the suction head mounting plate 334 is mounted on the suction swing rod 333 and is provided for the second suction cup 34 to be mounted thereon.

When the second connection shaft 742 rotates, the upper suction rocker 21 rotates together with the upper suction rocker 222, the upper suction shaft 223 and the upper suction rocker 224 are driven to swing together, the steering shaft 227 can rotate around the bearing block 228, and the upper suction box rod 225 performs reciprocating rotation motion relative to the bearing block 228 due to the limitation of the steering shaft 227, so that the first suction cup 23 on the upper suction head mounting plate 226 performs reciprocating rotation motion relative to the bearing block 228 to complete the suction box and rotation motion. When the first connecting shaft rotates, the lower suction rocker 31 rotates together with the lower suction rocker and drives the lower suction box swinging member 33 to swing through the lower suction connecting rod 32, so that the lower suction swing arm 331, the lower suction swing arm 333 and the lower suction head mounting plate 334 swing up and down around the lower suction box shaft 332, and the lower suction box is realized. In this way, the respective action is enabled by the transmission of the corresponding transmission assembly and the carton is formed by sucking the top and bottom surfaces of the carton respectively.

As shown in fig. 7 and 8, in the embodiment, the cover closing mechanism includes a lug assembly 61 respectively disposed on the front and rear sides of the carton conveying line 4, a cover closing assembly 62 respectively disposed on the front and rear sides of the carton conveying line 4, and a cam assembly 63 for synchronously operating the lug assembly 61 and the cover closing assembly 62. The two cover closing assemblies 62 are opposite to each other in front and back, and the two lug folding assemblies 61 are opposite to each other in front and back.

As shown in fig. 8, each cover closing assembly 62 includes a mounting seat 621 disposed on the frame 1, a first driven pulley shaft 622 passing through a through hole of the mounting seat 621, the first driven pulley shaft 622 is sequentially connected with a first bevel gear 623 capable of being meshed with a fourth driving bevel gear 753 from bottom to top, a first synchronous pulley 624, and a first crank 625, the first synchronous pulley 624 is connected with a second synchronous pulley 627 through a synchronous belt 626, a second driven pulley shaft 628 disposed in parallel with the first driven pulley shaft 622 from left to right is inserted onto the second synchronous pulley 627, the second driven pulley shaft 628 extends up and down and passes through the through hole of the mounting seat 621, a second crank 629 disposed in parallel with the first crank 625 from left to right is connected onto the second driven pulley shaft 628, one end of the first crank 625 is connected with the first driven pulley shaft 622, the other end of the second crank 629 is connected with the second driven pulley shaft 628, the other end of the second crank 629 is connected with a second vertical rotating shaft 6291, and the second vertical cover plate 630 is connected with the second vertical rotating shaft 6251, and the second vertical cover plate 630 is capable of rotating between the first vertical cover closing shafts 6251.

As described above, the two front-rear tab members 61 and the lid closing member 62 are provided so as to be capable of respectively folding the front-end tab and the rear-end tab of the paper cassette, and closing the front lid and the rear lid of the paper cassette. The cover closing assembly 62 is provided with a first bevel gear 623 thereof so as to be in driving connection with the fourth driving bevel gear 753 of the third driving assembly 75 in a matching manner. And the first driven pulley shaft 622 and the second driven pulley shaft 628 are rotated synchronously by the synchronization action of the timing belt 626, the first timing pulley 624, and the second timing pulley 627. Then, a parallel double-crank mechanism is formed by the first crank 625, the second crank 629, the first vertical rotating shaft 6251, the second vertical rotating shaft 6291 and the cover closing plate 630, so that the two cranks rotate in the same direction at the same speed, the linkage is good, and the cover closing action can be realized.

As shown in fig. 8, in the embodiment, the cover plate 630 is provided with a tongue portion 6301 for inserting a tongue and a cover portion 6302 for closing a cover. Therefore, the closing quality of the paper box can be improved, and the risk of opening the cover is reduced.

In the embodiment shown in fig. 8, the mounting seat 621 includes a mounting base plate 6211 and a mounting upper plate 6212, the mounting base plate 6211 and the mounting upper plate 6212 are engaged by a vertical plate 6213, the cam assembly 63 includes a circular cam 631 mounted on the first driven pulley shaft 622/the second driven pulley shaft 628, a cam follower 632 rotatably connected to the upper surface of the mounting base plate 6212, and a first link 633 capable of swinging left and right connected to the cam follower 632, and the first link 633 is connected to the lug folding assembly 61. The cam follower 632 includes a third crank 6321 rotatably coupled at one end to the mounting plate 6212 and a bearing 6322 mounted on the third crank 6321, the other end of the third crank 6321 being coupled to the first link 633. The lug folding assembly 61 is a lug folding assembly 61 which is common to a boxing machine in the market and can fold the lug from outside to inside through swinging. In this way, the cover assembly 62 and the lug assembly 61 can be driven to act together by the transmission action of the cam assembly 63, and the linkage is good.

As described above, the scheme protects a boxing machine with a linkage mechanism, and all technical schemes which are the same as or similar to the scheme are shown as falling within the protection scope of the scheme.

Claims (10)

1. The boxing machine with the linkage mechanism comprises a frame (1) and is characterized in that an upper adsorption mechanism (2) which is used for sucking a sheet-shaped paper box and can reciprocate in a rotary mode, a lower adsorption mechanism (3) which is matched with the upper adsorption mechanism (2) and enables the sheet-shaped paper box to swing up and down in a reciprocating mode, a paper box conveying line (4) which is used for receiving the paper box adsorbed by the lower adsorption mechanism (3) and transversely conveying the paper box, a pushing mechanism (5) which is used for pushing a product into the paper box on the formed paper box conveying line (4), and a cover closing mechanism which is used for folding lugs and buckling covers of the paper box filled with the product are arranged on the frame (1), and a linkage mechanism (7) which is used for driving the upper adsorption mechanism (2), the lower adsorption mechanism (3), the paper box conveying line (4) and the cover closing mechanism to act together is further arranged on the frame (1).

2. A cartoning machine with a linkage mechanism according to claim 1, wherein the linkage mechanism (7) comprises a first motor (71) arranged at the bottom of the frame (1), a transversely extending spindle (72) rotatably connected to the frame (1), the spindle (72) enables the lower adsorption mechanism (3) to reciprocate up and down through the transmission action with the first transmission assembly (73), the upper adsorption mechanism (2) to reciprocate up and down through the transmission action with the second transmission assembly (74), the lid closing mechanism to fold the lugs and close the lids through the transmission action with the third transmission assembly (75), and the carton conveyor line (4) to be conveyed through the transmission action with the fourth transmission assembly (76).

3. A boxing machine with a linkage mechanism according to claim 2, characterized in that the main shaft (72) is provided with a first main shaft bevel gear (721), a second main shaft bevel gear (722), a third main shaft bevel gear (723), a first main chain wheel (724) and a second main chain wheel (725) in sequence from right to left, and the first motor (71) is in transmission connection with the first main chain wheel (724) through a first main chain (77) so as to enable the main shaft (72) to rotate.

4. A cartoning machine with a linkage according to claim 3, wherein the first transmission assembly (73) comprises a first driving bevel gear (731) intermeshed with the first spindle bevel gear (721), a first connecting shaft (732) connected to the first driving bevel gear (731) for connecting a certain part of the lower suction mechanism (3); the second transmission assembly (74) comprises a second driving bevel gear (741) meshed with the second main shaft bevel gear (722) and a second connecting shaft (742) connected with one part of the upper adsorption mechanism (2) connected with the second driving bevel gear (741); the third transmission assembly (75) comprises a third driving bevel gear (751) meshed with the third main shaft bevel gear (723), a third connecting shaft (752) connected with the third driving bevel gear (751), and a fourth driving bevel gear (753) arranged on the third connecting shaft (752) and connected with one part of the cover closing mechanism.

5. A cartoning machine with a linkage according to claim 4, wherein the fourth transmission assembly (76) comprises a second chain (761) intermeshed with a second main sprocket (725), the second chain (761) being connected with a third chain (763) through a divider (762), the third chain (763) being connected with a first transmission sprocket (764) for connection with a drive shaft (41) of a carton conveyor line (4).

6. A cartoning machine with a linkage mechanism according to claim 5, characterized in that the upper suction mechanism (2) comprises an upper suction rocker (21) connected with a second connecting shaft (742), the upper suction rocker (21) being connected with a first suction cup (23) for sucking and reciprocating and rotating a sheet-shaped carton through a linkage mechanism (22); the lower adsorption mechanism (3) comprises a lower suction rocker (31), a lower suction connecting rod (32) and a lower suction box swinging piece (33) which are connected with a first connecting shaft (732), one end of the lower suction connecting rod (32) is connected with the lower suction rocker (31), the other end of the lower suction connecting rod is connected with the lower suction box swinging piece (33), and a plurality of second suckers (34) used for sucking the bottom surface of the sheet-shaped paper box are arranged on the lower suction box swinging piece (33).

7. The boxing machine with the linkage mechanism according to claim 6, wherein the cover closing mechanism comprises lug folding assemblies (61) respectively arranged on the front side and the rear side of the paper box conveying line (4), cover closing assemblies (62) respectively arranged on the front side and the rear side of the paper box conveying line (4), and cam assemblies (63) for enabling the lug folding assemblies (61) and the cover closing assemblies (62) to synchronously act.

8. The boxing machine with the linkage mechanism according to claim 7, wherein each cover closing assembly (62) comprises a mounting seat (621) arranged on a frame (1), and a first driven pulley shaft (622) penetrating through a through hole of the mounting seat (621), the first driven pulley shaft (622) is sequentially connected with a first bevel gear (623), a first synchronous pulley (624) and a first crank (625) which can be meshed with a fourth driving bevel gear (753) from bottom to top, the first synchronous pulley (624) is connected with a second synchronous pulley (627) through a synchronous belt (626), a second driven pulley shaft (628) is connected to the second synchronous pulley (627), a second crank (629) which is arranged in parallel with the first crank (625) left and right is connected to the second driven pulley shaft (628), the first crank (625) and the second crank (629) are respectively connected with a first vertical rotating shaft (6251) and a second vertical rotating shaft (6291), and the upper ends of the first vertical rotating shaft (6251) and the second vertical rotating shaft (6291) can be plugged into a plugging cover plate (630).

9. The boxing machine with the linkage mechanism of claim 8, wherein the cover plate (630) is provided with a tongue portion (6301) for inserting a tongue and a cover portion (6302) for closing a cover.

10. A cartoning machine with a linkage according to any one of claims 7 to 9, wherein the cam assembly (63) comprises a circular cam (631) mounted on the first driven pulley shaft (622)/the second driven pulley shaft (628), a cam follower (632) rotatably connected to the mounting base (621), a link (633) capable of swinging left and right connected to the cam follower (632), the link (633) being connected to the lug assembly (61).