CN215972545U

CN215972545U - Side labeling mechanism of automatic carton sealing machine

Info

Publication number: CN215972545U
Application number: CN202122157314.0U
Authority: CN
Inventors: 厉勇; 章加储; 甘泽生
Original assignee: Zhejiang Dingye Machinery Co Ltd
Current assignee: Zhejiang Dingye Machinery Co Ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-03-08
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a side labeling mechanism of an automatic carton sealing machine, which comprises a rack, wherein a channel for conveying a carton is formed on the rack, a conveying mechanism for supplying power to convey the carton is arranged at the lower part of the channel, a printing mechanism and a limiting mechanism are respectively arranged at two sides of the conveying mechanism, a first sensor is arranged at the limiting mechanism, the carton is conveyed by the conveying mechanism, the two sides of the carton are limited by the printing mechanism and the limiting mechanism, and when the first sensor senses the carton, a label is attached to the carton by the printing mechanism in a feedback mode. The utility model realizes the function integration of box sealing and side labeling, ensures the orderly and smooth sticking of express labels, does not need to purchase and arrange two machines, and greatly reduces the equipment cost and the maintenance cost.

Description

Side labeling mechanism of automatic carton sealing machine

Technical Field

The utility model relates to the field of packaging machinery, in particular to a side labeling mechanism of an automatic carton sealing machine.

Background

At present, in the express delivery industry, an express delivery label sheet needs to be attached to a product after the product is packaged. For the case sealer, it is used for carrying the carton and pastes the sticky tape and accomplish the sealing to upper and lower opening part, later docks the labeller and pastes the express delivery list on the carton, just so need purchase and arrange two machines, and the cost is higher with the maintenance degree of difficulty. The labeling mechanism can be integrated on a carton sealing machine through improvement, labels are further attached after the carton is sealed along with conveying of the carton, but the attached labels are attached to an adhesive tape of the conventional labeling mechanism arranged behind an upper machine core, and the adhesive tape or the carton cover can cause unevenness of the attached labels if the adhesive tape or the carton cover is uneven, so that the labeling quality is influenced. The utility model aims to design a side labeling mechanism which is integrated on a box sealing machine and can finish label pasting on the side edge.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a side labeling mechanism of an automatic carton sealing machine, which can integrate and finish side label pasting on the carton sealing machine, ensure that labels are pasted on the side of a carton, and meet the requirement of flat label pasting.

The utility model provides the following technical scheme: a side labeling mechanism of an automatic carton sealing machine comprises a rack, wherein a channel for conveying a carton is formed in the rack, a conveying mechanism for providing power to convey the carton is arranged at the lower part of the channel, a printing mechanism and a limiting mechanism are respectively arranged on two sides of the conveying mechanism, the printing mechanism comprises a printer, a blowing component and an adsorption component, the blowing component is arranged on the side of a label outlet of the printer, the adsorption component is vertically arranged in front of the blowing component, the blowing component is used for blowing a label output by the printer outlet to the adsorption component and adsorbing the label by the adsorption component, and the adsorption component is close to and away from the limiting mechanism by arranging a translation driving mechanism; stop gear department is provided with first sensor, and the carton is carried and both sides are spacing by printer and stop gear by conveying mechanism, and the feedback makes translation actuating mechanism open when first sensor senses the carton, and adsorption component translation pastes the label on the carton when contacting with the carton.

As an improvement, the printing mechanism and the limiting mechanism can be arranged on the rack in a translation mode, so that the distance between the printing mechanism and the limiting mechanism can be adjusted.

As an improvement, be provided with the threaded rod in the frame, the left and right sides of threaded rod sets up the screw thread that revolves to opposite direction, and the screw thread of both sides carries out screw-thread fit with printing mechanism and stop gear respectively, and when the drive threaded rod was rotatory, drive printing mechanism and stop gear translation and be close to or keep away from.

As an improvement, conveying mechanism includes the conveyer belt down and is used for arranging the lower roller of conveyer belt down around establishing, and lower conveyer belt forms the last transport surface that is used for supporting the carton and carries out the transport, and lower roller hub connection actuating mechanism provides power and then drives the conveyer belt operation down.

As an improvement, stop gear includes the side conveyer belt and is used for around establishing the side roller of arranging the side conveyer belt, and the side conveyer belt forms the side conveying face that is used for supporting the carton and carries out the transport, and side roller hub connection actuating mechanism provides power and then drives the operation of side conveyer belt.

As an improvement, the translation driving mechanism comprises an air cylinder and an elastic pressing piece arranged at the far end of an air cylinder shaft of the air cylinder, wherein the elastic pressing piece comprises a layout shaft connected to the air cylinder shaft and a spring sleeved on the layout shaft; the adsorption component is installed on a sliding frame, the sliding frame can be arranged on a sliding rail in a translation mode, the sliding frame can be sleeved on the arrangement shaft in a sliding mode, the two ends of the arrangement shaft are respectively provided with a front blocking piece and a rear blocking piece, the two ends of the spring respectively abut against the rear blocking piece and the sliding frame, and the sliding frame abuts against the front blocking piece.

As an improvement, the blowing component comprises a blowing pipe, the blowing pipe is perpendicular to the conveying direction of the labels, a plurality of air outlets used for blowing air are arranged on the inclined position of the blowing pipe facing the adsorption component, and the blowing pipe is externally connected with a blowing mechanism used for blowing air.

As an improvement, the adsorption component comprises an adsorption plate, a plurality of air suction holes used for adsorption are formed in the surface, facing the limiting mechanism, of the adsorption plate, and the rear ends of the air suction holes are connected with an air suction mechanism used for sucking air.

As an improvement, the printer comprises a baffle plate which is arranged opposite to the limiting mechanism, and the baffle plate and the limiting mechanism limit the paper box at two sides of the channel.

As an improvement, one side of the printing mechanism is provided with a pressing wheel group, the printing mechanism and the pressing wheel group are sequentially arranged in the conveying direction of the carton, and the pressing wheel group and the limiting mechanism are matched at two sides of the channel to limit and convey the carton to the output end of the carton sealing machine.

The utility model has the beneficial effects that: after the carton is sealed by upper and lower machine cores of a preorder of a carton sealing machine by upper and lower adhesive tapes, the carton can reach the labeling mechanism along a channel, power for continuous conveying is provided by a lower conveying mechanism, side limit is carried out by a printer and a limiting mechanism on two sides, a label printed by the printer is blown to an adsorption component by a blowing component and cannot fall off when being output from an outlet, the adsorption component sucks the label, the sticky side of the label faces outwards, the label is sensed by a sensor when the carton is conveyed in place, a translation driving mechanism starts to convey the label to be adhered to the carton, then the adsorption component stops working and resets, and the carton sealing and side label adhesion are finished when being sent out from an output end of the carton sealing machine.

Drawings

Fig. 1 is a schematic perspective view of a box sealing machine according to the present invention.

Fig. 2 is an enlarged view at M in fig. 1.

Fig. 3 is a schematic perspective view of the printing mechanism of the present invention.

Detailed Description

The following detailed description of specific embodiments of the utility model refers to the accompanying drawings.

Fig. 1, 2 and 3 show a side labeling mechanism of an automatic box sealing machine according to an embodiment of the present invention. The label printing device comprises a rack 0, a channel for conveying a carton is formed in the rack 0, a conveying mechanism 3 for supplying power to convey the carton is arranged at the lower portion of the channel, a printing mechanism 1 and a limiting mechanism 2 are respectively arranged on two sides of the conveying mechanism 3, the printing mechanism 1 comprises a printer 11, a blowing component 12 and an adsorption component 13, the blowing component 12 is arranged on the side of a label outlet of the printer 11, the adsorption component 13 is vertically arranged in front of the blowing component 12, the blowing component 12 is used for blowing up a label output from the outlet of the printer 11 to the adsorption component 13 and adsorbing the label by the adsorption component 13, and the adsorption component 13 is close to and far away from the limiting mechanism 2 through a translation driving mechanism 14; the position of the limiting mechanism 2 is provided with a first sensor 4, the carton is conveyed by the conveying mechanism 3, the two sides of the carton are limited by the printer 11 and the limiting mechanism 2, when the carton is sensed by the first sensor 4, the translation driving mechanism 14 is started by feedback, and the adsorption component 13 translates to be in contact with the carton, so that the label is attached to the carton.

When the side labeling machine is used, the side labeling mechanism can be improved and used on the original machine type of the box sealing machine, and is arranged on a subsequent conveying line on the basis of the conventional mechanism of the box sealing machine, so that box sealing and side labeling can be completed at one time. The conventional carton sealing machine is characterized in that a channel for conveying cartons is formed in the machine frame 0, side conveying mechanisms are arranged on the left and right sides of the channel and used for clamping and conveying the cartons on two sides, upper and lower machine cores are arranged on the upper and lower sides of the channel respectively, and the upper and lower machine cores seal upper and lower covers of the cartons with adhesive tapes when the cartons pass through. The conveying mechanism 3 is arranged behind the lower machine core, the printing mechanism 1 and the limiting mechanism 2 are respectively arranged behind the conveying mechanisms at the two sides, after the carton reaches the conveying mechanism 3, the conveying mechanism 3 supports the carton and provides power to drive the carton to continue conveying, and the printing mechanism 1 and the limiting mechanism 2 at the two sides limit the two sides of the carton.

Printer 11 among the print mechanism 1 accessible prior art realizes, its label delivery outlet arranges to vertical ejection of compact, to structural improvement, set up air blowing component 12 in one side of the relative passageway of label export of printer 11, its viscidity one side of label from printer 11 output is towards the passageway, paper tape with the laminating of viscidity one side passes through the roller bearing of printer 11 and winds back to printer 11, continuously outwards blow by air blowing component 12 after the label output can not fall and paste the internal surface at outside adsorption component 13, along with the whole back of being exported completely of label, start adsorption component 13 and hold the label and can not fall, complete label is located adsorption component 13's internal surface, air blowing component 12 can stop work. The product information of the label to be packaged can be fed back to the printer 11 before the box sealing, so that the label is printed by the printer and is output to the adsorption component 13 to be labeled, and preferably, the code scanning mechanism can be arranged at the input end of the box sealing machine, so that the product information attached to the surface of the carton is scanned and fed back to the printer 11 to be printed. When the carton is carried to being sensed by first sensor 4, the side of carton has arrived adsorption component 13 department and has waited to label promptly, first sensor 4 feedback signal signaling translation actuating mechanism 14 is opened, translation actuating mechanism 14 operation makes adsorption component 13 press to the carton, paste the label in the carton side, later adsorption component 13 stop work and reset, the carton of pasting the label is seen off from the output of case sealer, thereby can accomplish the joint sealing and side with a machine and paste the mark, it has guaranteed that express delivery label is orderly smooth subsides to be established, needn't purchase and arrange two machines, greatly reduced equipment cost and maintenance cost.

As an improved specific implementation mode, the printing mechanism 1 and the limiting mechanism 2 are arranged on the frame 0 in a translation way, so that the distance between the printing mechanism 1 and the limiting mechanism 2 can be adjusted. Be provided with threaded rod 01 on the frame 0, the left and right sides of threaded rod 01 sets up revolves to opposite screw, and the screw of both sides carries out screw-thread fit with printing mechanism 1 and stop gear 2 respectively, and when drive threaded rod 01 was rotatory, drive printing mechanism 1 and 2 translations of stop gear and be close to or keep away from.

As shown in fig. 1 and 2, the printing mechanism 1 and the limiting mechanism 2 are arranged to be a translation mechanism, so that the spacing can be adjusted conveniently, and the labeling requirements of cartons with different specifications can be met. During concrete implementation, set up printing mechanism 1 and stop gear 2 on a threaded rod 01, rely on the threaded rod 01 left and right sides to set up and revolve to opposite screw, when rotating threaded rod 01, make printing mechanism 1 and stop gear 2 of both sides carry out synchronous being close to or keeping away from, so can guarantee the central line symmetrical translation of both relative passageways, accuracy and the simplicity of assurance debugging that can be better, the structure that the upper and lower core of adaptable conventional case sealer is located passageway central point and puts and carry out the joint sealing, good adaptation can be accomplished. A plurality of threaded rods 01 can be arranged in the conveying direction of the carton to realize the bottom supporting function of the printing mechanism 1 and the limiting mechanism 2, and the threaded rods 01 can be preferably arranged with a driving mechanism such as a motor for automatic adjustment; preferably, the printing mechanism 1 and the limiting mechanism 2 can be synchronously adjusted with the left and right conveying mechanisms, so that synchronous distance adjustment can be rapidly carried out, and the matching of the carton specifications is realized.

As a modified embodiment, the conveying mechanism 3 includes a lower conveying belt 31 and a lower roller 32 for winding the lower conveying belt 31, the lower conveying belt 31 forms an upper conveying surface for supporting the cartons for conveying, and the lower roller 32 is connected with a driving mechanism for providing power to drive the lower conveying belt 31 to operate.

As shown in fig. 1 and 2, it is preferable that two lower rollers 32 are arranged in front and in back, the lower conveyor belt 31 is wound around the two lower rollers 32, an upper conveying surface for supporting and conveying the cartons is formed on an upper surface around which the lower conveyor belt 31 is wound, the cartons can be favorably supported and conveyed, and the lower rollers 32 can be connected to a driving mechanism such as a motor for inputting power to drive the lower conveyor belt 31 to operate.

As a modified embodiment, the limiting mechanism 2 includes a side conveyor belt 21 and a side roller 22 for winding the side conveyor belt 21, the side conveyor belt 21 forms a side conveying surface for supporting the cartons for conveying, and the side roller 22 is connected with a driving mechanism for providing power to drive the side conveyor belt 21 to run.

In specific implementation, the limiting mechanism 2 can be a row of rollers for providing rolling friction to assist limiting and conveying, or a relatively smooth flat plate; as shown in fig. 1 and 2, the structure of the side conveyor belt 21 and the side roller 22 is particularly designed as an optimized scheme, so that on one hand, the side conveyor belt is limited, and on the other hand, power is provided at the side surface, so that the carton conveying is smoother. Preferably, at least two front and back side roller shafts 22 are arranged, the side conveyor belt 21 is wound on the two side roller shafts 22, the surface of the side conveyor belt 21 facing the channel forms a side conveying surface for supporting the cartons to convey, the cartons can be well limited and power conveying can be provided, and the side roller shafts 22 can be connected with a driving mechanism such as a motor to input power and drive the side conveyor belt 21 to operate.

As an optimization, the limiting mechanism 2 can be directly used as an extension of the side conveying mechanism, that is, the side conveying mechanisms on the sides of the upper and lower movement in the preamble extend all the way to the printing mechanism 1, and a continuous side support is formed on the side of the channel for conveying the whole carton (as shown in the embodiment shown in fig. 1), so that the stability is higher, the difficulty in arranging parts is reduced, and the carrying and conveying of the front and rear sequence can be more smoothly completed by the carton.

As a modified specific embodiment, the translational driving mechanism 14 includes a cylinder 141 and an elastic pressing member 142 disposed at a distal end of a cylinder shaft of the cylinder 141, the elastic pressing member 142 includes a disposing shaft 1421 connected to the cylinder shaft and a spring 1422 sleeved on the disposing shaft 1421; the adsorption component 13 is installed on a sliding frame 131, the sliding frame 131 is disposed on a sliding rail 132 in a translation manner, the sliding frame 131 is slidably sleeved on the arrangement shaft 1421, two ends of the arrangement shaft 1421 are respectively provided with a front stopper 1423 and a rear stopper 1424, two ends of the spring 1422 respectively abut against the rear stopper 1424 and the sliding frame 131, and the sliding frame 131 abuts against the front stopper 1423.

As shown in fig. 3, the basic function is to extend or retract through the cylinder shaft of the cylinder 141 to drive the adsorption component 13 to reciprocate and translate, so that the label can be attached to the side of the carton; as the optimization of the squeezing effect of the label and the carton during the pasting, an elastic pressing piece 142 is further provided, specifically, when in use, the adsorption component 13 is installed on the sliding frame 131, the sliding frame 131 is arranged on the sliding rail 132 to realize stable horizontal sliding of the structure, and then the sliding frame 131 is sleeved on the arrangement shaft 1421; referring to fig. 3, when the cylinder shaft is retracted, the sliding frame 131 is driven to move synchronously, so that the adsorption component 13 is moved horizontally to the carton on the inner side; after contacting the carton, if the stroke of cylinder axle has not been gone, can continue to withdraw, adsorption component 13 can't remove again because of being blockked by the carton, it can continue to advance with the cylinder axle to arrange axle 1421 this moment, the space between backstop 1424 and the frame 131 that slides diminishes, spring 1422 is compressed, this elastic force can act on the frame 131 that slides, and then act on between adsorption component 13 and the carton, continue compressing tightly the label to a certain extent, guarantee to paste and establish the effect, this elastic compress tightly and compare in the direct compression of cylinder stroke, be more favorable to protecting the carton can not destroyed by rigid packing force, the flexibility of cylinder stroke debugging has also been improved. When the cylinder shaft extends and returns, the spring 1422 returns correspondingly, so that the sliding frame 131 returns to the initial position state as shown in the figure.

As a modified embodiment, the blowing assembly 12 includes a blowing pipe 121, the blowing pipe 121 is disposed perpendicular to the conveying direction of the label and is provided with a plurality of air outlets 122 for blowing air at an inclined position facing the adsorption assembly 13, and the blowing pipe 121 is externally connected to a blowing mechanism for blowing air.

As shown in fig. 3, the blowpipe 121 is located inside the outlet of the printer 11, the air outlets 122 are inclined toward the air outlets 122 of the adsorption assembly 13 and are uniformly arranged in the axial direction of the blowpipe 121, so as to stably blow up the label in the height direction, when the air blowing mechanism is started after the air blowing mechanism is externally connected to the air blowing mechanism, the air flow blown out from the air outlets 122 is blown to the adsorption assembly 13 (the adsorption plate 133) and flows along the inner surface of the adsorption plate 133, so that after the label is blown to abut against the adsorption plate 133, the flowing air flow can keep the whole label from falling, after the label is completely separated from the printer 11 and reaches the adsorption plate 133, the suction mechanism is started to suck the label, the label cannot fall in the whole process, the sticky inner surface of the label cannot contact with the peripheral structure, and good label conveying and positioning effects can be achieved.

As a modified specific embodiment, the adsorption assembly 13 includes an adsorption plate 133, a plurality of air suction holes 134 for adsorption are provided on a surface of the adsorption plate 133 facing the limiting mechanism 2, and the rear ends of the air suction holes 134 are connected to an external air suction mechanism for sucking air.

As shown in fig. 2 and 3, the whole adsorption plate 133 is configured to adsorb a label, and specifically, may be configured with an array of suction holes 134, and after being externally connected to a suction mechanism, when the suction mechanism is started, the suction holes 134 corresponding to the label can suck the label, so as to realize the flat adsorption positioning of the label; the specification of adsorption plate 133 can be set to be larger for the cooperation not equidimension label adsorbs, improves the suitability.

As a modified embodiment, the printer 11 includes a baffle 111 disposed opposite to the limiting mechanism 2, and the baffle 111 and the limiting mechanism 2 limit the carton on both sides of the passage.

As shown in fig. 1, 2 and 3, a baffle 111 can be specifically arranged to cooperate with the limiting mechanism 2 to limit the carton, so as to form a flat side limiting structure, thereby effectively controlling the cost and facilitating the disassembly, assembly and debugging.

As an improved specific embodiment, one side of the printing mechanism 1 is provided with a pinch roller set 5, the printing mechanism 1 and the pinch roller set 5 are sequentially arranged in the conveying direction of the paper box, and the pinch roller set 5 and the limiting mechanism 2 are matched at two sides of the channel to limit and convey the paper box to the output end of the carton sealing machine.

As shown in fig. 1 and 2, the pinch roller set 5 is arranged at the output end, after the carton passes through the printing mechanism 1, the carton can be limited at two sides by the pinch roller set 5 in cooperation with the limiting mechanism 2, the output stability of the carton is kept, and in the cooperation rolling process of the pinch roller set 5 and the carton, the label can be rolled by the pinch roller set 5, so that the label is further pressed firmly, and the label is ensured to be firmly attached.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides an automatic side labeller of case sealer constructs, includes frame (0), form the passageway that is used for carrying the carton on frame (0), its characterized in that: the lower part of the channel is provided with a conveying mechanism (3) for providing power to convey the carton, two sides of the conveying mechanism (3) are respectively provided with a printing mechanism (1) and a limiting mechanism (2), the printing mechanism (1) comprises a printer (11), a blowing component (12) and an adsorption component (13), the blowing component (12) is arranged on the side of a label outlet of the printer (11), the adsorption component (13) is vertically arranged in front of the blowing component (12), the blowing component (12) is used for blowing up a label output from the outlet of the printer (11) to the adsorption component (13) and adsorbing the label by the adsorption component (13), and the adsorption component (13) is provided with a translation driving mechanism (14) to approach and keep away from the limiting mechanism (2); limiting mechanism (2) department is provided with first sensor (4), and the carton is carried and both sides are spacing by printer (11) and limiting mechanism (2) by conveying mechanism (3), and feedback when carton is sensed in first sensor (4) makes translation actuating mechanism (14) open, and adsorption component (13) translation is pasted the label on the carton when contacting with the carton.

2. The side labeling mechanism of an automatic case sealer according to claim 1, wherein: but printing mechanism (1) and stop gear (2) translation set up on frame (0), make printing mechanism (1) and stop gear's (2) interval adjustable.

3. The side labeling mechanism of an automatic box sealing machine as claimed in claim 2, characterized in that: be provided with threaded rod (01) on frame (0), the left and right sides of threaded rod (01) sets up and revolves to opposite screw, and the screw of both sides carries out screw-thread fit with printing mechanism (1) and stop gear (2) respectively, and when drive threaded rod (01) was rotatory, drive printing mechanism (1) and stop gear (2) translation and be close to or keep away from.

4. The side labeling mechanism of an automatic box sealing machine as claimed in claim 1, 2 or 3, wherein: conveying mechanism (3) are including lower conveyer belt (31) and be used for around establishing lower roller (32) of arranging conveyer belt (31) down, lower conveyer belt (31) form and are used for supporting the carton and carry out the upper transport face of carrying, lower roller (32) are connected actuating mechanism and are provided power and then drive down conveyer belt (31) and move.

5. The side labeling mechanism of an automatic box sealing machine as claimed in claim 1, 2 or 3, wherein: stop gear (2) are including side conveyer belt (21) and be used for around establishing side roller (22) of arranging side conveyer belt (21), side conveyer belt (21) form and are used for supporting the side transport face that the carton carried, side roller (22) are connected actuating mechanism and are provided power and then drive side conveyer belt (21) operation.

6. The side labeling mechanism of an automatic box sealing machine as claimed in claim 1, 2 or 3, wherein: the translation driving mechanism (14) comprises an air cylinder (141) and an elastic pressing piece (142) arranged at the far end of an air cylinder shaft of the air cylinder (141), and the elastic pressing piece (142) comprises a layout shaft (1421) connected to the air cylinder shaft and a spring (1422) sleeved on the layout shaft (1421); the adsorption component (13) is mounted on a sliding frame (131), the sliding frame (131) is arranged on a sliding rail (132) in a translation mode, the sliding frame (131) is sleeved on a layout shaft (1421) in a sliding mode, a front stopper (1423) and a rear stopper (1424) are arranged at two ends of the layout shaft (1421) respectively, two ends of a spring (1422) abut against the rear stopper (1424) and the sliding frame (131) respectively, and the sliding frame (131) abuts against the front stopper (1423).

7. The side labeling mechanism of an automatic box sealing machine as claimed in claim 1, 2 or 3, wherein: the blowing assembly (12) comprises a blowing pipe (121), the blowing pipe (121) is perpendicular to the conveying direction of the labels, a plurality of air outlet holes (122) used for blowing air are formed in the inclined position of the blowing pipe (121) facing the adsorption assembly (13), and the blowing pipe (121) is externally connected with a blowing mechanism used for blowing air.

8. The side labeling mechanism of an automatic box sealing machine as claimed in claim 1, 2 or 3, wherein: the adsorption component (13) comprises an adsorption plate (133), a plurality of air suction holes (134) used for adsorption are formed in the surface, facing the limiting mechanism (2), of the adsorption plate (133), and the rear ends of the air suction holes (134) are connected with an air suction mechanism used for sucking air.

9. The side labeling mechanism of an automatic box sealing machine as claimed in claim 1, 2 or 3, wherein: the printer (11) comprises a baffle (111) opposite to the limiting mechanism (2), and the baffle (111) and the limiting mechanism (2) limit the carton on two sides of the channel.

10. The side labeling mechanism of an automatic box sealing machine as claimed in claim 1, 2 or 3, wherein: one side of the printing mechanism (1) is provided with a pressing wheel set (5), the printing mechanism (1) and the pressing wheel set (5) are sequentially arranged in the conveying direction of the carton, and the pressing wheel set (5) and the limiting mechanism (2) are matched on two sides of the channel to limit and convey the carton to the output end of the carton sealing machine.