Automatic case marking device

Abstract

The application discloses an automatic carton cutting device and relates to the technical field of carton arrangement. The automatic carton cutting device comprises a bearing table, a clamping conveying mechanism and a cutter mechanism. The clamping conveying mechanism comprises two clamping conveying parts which are oppositely arranged along a first horizontal direction above the bearing table. At least one of the two clamping conveying parts can move along the first horizontal direction. The two clamping conveying parts are used for jointly clamping a carton and can make the carton be conveyed along a second horizontal direction. The cutter mechanism comprises two cutter structures which are oppositely arranged along an up-down direction. At least one of the cutter structures can move along the up-down direction. Each cutter structure comprises two cutter pieces which are oppositely arranged along the first horizontal direction. Each cutter piece is used for cutting the adhesive tape at the edge seams of the top surface and the bottom surface of the carton during the conveying movement of the carton. The automatic carton cutting device saves manpower resources, the consistency of the edge seams of the top surface and the bottom surface of the carton is high, and the design of the two clamping conveying parts can be compatible with different specifications of carton sizes.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of carton arrangement, and particularly relates to an automatic carton cutting device. BACKGROUND

[0002] With the rapid development of the field of intelligent warehousing logistics in recent years, the intelligentization and few-peopleization of warehouses are the general trend. Before the carton turning action, the conventional warehouse needs to use an art knife to cut the tape on the top of the carton, so as to perform the carton turning action. The carton cutting action does not produce value, wastes time, and the art knife has certain safety risks in the use process. SUMMARY

[0003] The main purpose of the present application is to provide an automatic carton cutting device, which aims to automatically cut the tape on the edge of the carton, has good cutting consistency of multiple edges, and can be compatible with cartons of different sizes.

[0004] To achieve the above purpose, the automatic carton cutting device provided by the present application is used to automatically cut the tape on the edge of the carton, and the automatic carton cutting device comprises:

[0005] a bearing table;

[0006] a clamping conveying mechanism comprising two clamping conveying parts arranged opposite to each other in a first horizontal direction above the bearing table, at least one of the two clamping conveying parts being movable in the first horizontal direction, the two clamping conveying parts being used to jointly clamp the carton and enabling the carton to be conveyed in a second horizontal direction; and

[0007] a cutter mechanism comprising two cutter structures arranged opposite to each other in an up-down direction, at least one of the cutter structures being movable in the up-down direction, each of the cutter structures comprising two cutter pieces arranged opposite to each other in the first horizontal direction, each of the cutter pieces being used to cut the tape on the edge of the top and bottom surfaces of the carton during the conveying movement of the carton.

[0008] In an embodiment, the two clamping conveying parts comprise:

[0009] a fixed part fixed to one side of the bearing table in the first horizontal direction; and

[0010] a movable part movable close to or away from the fixed part in the first horizontal direction.

[0011] In an embodiment, the two cutter pieces in the lower cutter structure are arranged on the fixed part and the movable part respectively, and the other cutter structure is movable in the up-down direction.

[0012] In an embodiment, the clamping conveying part comprises:

[0013] a support disposed on the loading platform;

[0014] a first conveying part disposed on a side end surface of the loading platform and capable of conveying the carton in a second horizontal direction; and

[0015] a first clamping part extending in the second horizontal direction and fixed to an upper end surface of the support, the first clamping part being disposed in the first horizontal direction offset from the first conveying part and configured to contact a side end surface of the carton.

[0016] In an embodiment, the first conveying part includes a plurality of first supporting rollers and a first belt sleeved on the outside of the first supporting rollers, the first belt being configured to contact a bottom surface of the carton, the first supporting rollers being spaced apart in the second horizontal direction and rotatably mounted to the side end surface of the support along an axis extending in the first horizontal direction.

[0017] In an embodiment, the cutter includes:

[0018] a mounting seat;

[0019] a guide part extending in the first horizontal direction and disposed on the mounting seat, the guide part forming a contact plane disposed towards another cutter and a guide inclined surface connected to the contact plane, the guide part being configured to contact the corresponding side surface; and

[0020] a cutting knife obliquely disposed and extending in the first horizontal direction, the cutting knife being fixed to the mounting seat, a cutting tip of the cutting knife being capable of protruding from the guide part to be inserted into a side seam of the carton.

[0021] In an embodiment, the mounting seat is mounted by a floating structure so that the mounting seat has a floating stroke in the up-down direction and in the first horizontal direction.

[0022] In an embodiment, two guide parts are provided, the two guide parts being disposed at an angle to contact a side surface of the carton in the first horizontal direction and an end surface of the carton in the up-down direction respectively, the cutting knife being fixed to the guide part disposed in the first horizontal direction.

[0023] In an embodiment, the automatic carton marking device further includes a pressing assembly, the pressing assembly including a pressing structure located above the loading platform and capable of moving in the up-down direction, the pressing structure being configured to abut against a top surface of the carton.

[0024] In an embodiment, the pressing structure includes:

[0025] a connecting seat capable of moving in the up-down direction; and

[0026] Two pressing parts are arranged on the lower end of the connecting seat in the first horizontal direction, and are used for pressing the top surface of the carton.

[0027] The upper knife structure is arranged on the connecting seat and corresponds to one of the pressing parts.

[0028] In an embodiment, each pressing part comprises:

[0029] A plurality of second supporting rollers are arranged in the second horizontal direction and are rotatably arranged on the connecting seat along the axis extending in the first horizontal direction; and

[0030] A second belt is arranged outside the plurality of second supporting rollers and is used for abutting the top surface of the carton.

[0031] In an embodiment, the two clamping conveying parts comprise a fixed part and a movable part which moves towards or away from the fixed part in the first horizontal direction.

[0032] One of the pressing parts is connected to the movable part through a transmission structure to be synchronously movable with the movable part.

[0033] In the technical scheme, the carton to be packaged by the adhesive tape is placed on the two clamping conveying parts, the edge seams of the carton are arranged in the second horizontal direction, the carton is conveyed in the second horizontal direction, the spacing between the two clamping conveying parts is adjusted to clamp and position the carton, the clamping conveying parts simultaneously serve as the clamping and conveying parts, the conveying part does not need to be arranged on the bearing table, the parts are saved, in the conveying process of the carton, the four knives are respectively inserted into the four edge seams on the carton to cut the adhesive tape at the edge seams of the top surface and the bottom surface of the carton, the position of the knife structure is adjusted to avoid the carton in the clamping and positioning process, the technical scheme is a functional section for the carton processing, the manpower is saved, the consistency of the cut edge seams of the top surface and the bottom surface of the carton is high, and the two clamping conveying parts can be compatible with different sizes of cartons. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0035] Figure 1 The structural schematic diagram of an embodiment of the automatic carton cutting device provided by the present application;

[0036] Figure 2 Fig. 1 is a schematic view of the automatic carton cutting device according to the present application; Figure 1 Fig. 2 is a schematic view of the clamping and conveying mechanism in the automatic carton cutting device according to the present application;

[0037] Figure 3 Fig. 3 is a schematic view of the cutter in the automatic carton cutting device according to the present application; Figure 1 Fig. 4 is a schematic view of the pressing assembly in the automatic carton cutting device according to the present application;

[0038] Figure 4 Fig. 5 is a schematic view of the existing carton. Figure 1 Fig. 6 is a schematic view of the existing carton.

[0039] Figure 5 Fig. 7 is a schematic view of the existing carton.

[0040] Brief Description of the Drawings:

[0041] 100, automatic carton cutting device; 1, bearing table; 2, clamping and conveying mechanism; 21, clamping and conveying part; 21a, fixed part; 21b, movable part; 211, support; 2121, first supporting roller; 2122, first belt; 213, first clamping part; 31, cutter structure; 311, cutter piece; 3111, mounting seat; 3112, guide part; 3112a, contact plane; 3112b, guide inclined surface; 3113, cutting knife; 4, pressing assembly; 41, connecting seat; 42, pressing part; 421, second supporting roller; 422, second belt; 43, transmission structure;

[0042] a, middle seam; b, edge seam.

[0043] The purposes, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0044] It should be understood that the specific embodiments described herein merely exemplify the technical solutions of the present application, and are not intended to limit the present application.

[0045] In order to better understand the technical solutions of the present application, the following will be described in detail in combination with the drawings and specific embodiments.

[0046] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0047] It should be noted that if the embodiment of the present application involves directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications will also change accordingly.

[0048] In addition, if the embodiment of the present application involves the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes include "A and / or B", which includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

[0049] With the rapid development of intelligent warehousing logistics related fields in recent years, the warehouse is intelligent, less people, the trend of the times. For example, the warehouse of 3C electronic enterprises, production rhythm, personnel demand, in the face of the current high staff turnover and recruitment difficulties, automation, intelligent is the optimal solution.

[0050] In the current warehouse article storage process, the raw materials need to be taken out from the incoming paper box and transferred to the turnover box. Before this action, the paper box top surface is cut open by a horizontal (middle seam) and two vertical (edge seam) tapes by using an art knife by manual operation, so as to perform the package opening action. At the same time, the paper box as garbage also needs to be cut open by a horizontal and two vertical tapes on the bottom surface in the subsequent processing, and the paper box is collected flat. However, manual cutting of the box causes the problem of waste of human efficiency.

[0051] In view of this, the present application provides an automatic box cutting device, which can automatically cut open the edge seam tape of the paper box, has good cutting consistency of multiple edge seams, and can be compatible with paper boxes of different sizes.

[0052] Please refer to Figure 5 , the paper box has a top surface and a bottom surface arranged opposite in the up-down direction, a in the figure indicates a middle seam of the top surface, b indicates an edge seam of the top surface, and correspondingly, the bottom surface also has a middle seam and two edge seams, and the edge seam of the paper box is perpendicular to the extension direction of the middle seam.

[0053] Please refer to Figure 1The automatic carton cutting device 100 comprises a bearing table 1, a clamping conveying mechanism 2 and a cutter mechanism, the clamping conveying mechanism 2 comprises two clamping conveying parts 21 oppositely arranged above the bearing table 1 along a first horizontal direction, at least one of the two clamping conveying parts 21 is movable along the first horizontal direction, and the two clamping conveying parts 21 are used for jointly clamping a carton and enabling the carton to be conveyed along a second horizontal direction; the cutter mechanism comprises two cutter structures 31 oppositely arranged in an up-down direction, at least one of the cutter structures 31 is movable along the up-down direction, and each cutter structure 31 comprises two cutter pieces 311 oppositely arranged along the first horizontal direction, and each cutter piece 311 is used for cutting the adhesive tape at the edge joint of the top surface and the bottom surface of the carton during conveying movement of the carton.

[0054] In the technical scheme of the present application, the carton to be packaged by the adhesive tape is placed on the two clamping conveying parts 21, the edge joint of the carton is arranged in the second horizontal direction, the carton is conveyed along the second horizontal direction, the spacing between the two clamping conveying parts 21 is adjusted to clamp and position the carton, the clamping conveying parts 21 simultaneously serve as clamping and conveying, a conveying piece does not need to be arranged on the bearing table 1, parts are saved, during conveying of the carton, the four cutter pieces 311 can be respectively inserted into the four edge joints on the carton, so that the adhesive tape at the edge joint of the top surface and the bottom surface of the carton can be cut during conveying movement of the carton, the position of the cutter structure 31 is adjusted to realize avoidance during clamping and positioning of the carton, the technical scheme is a functional section for carton processing, human resources are saved, the consistency of cutting of the edge joint of the top surface and the bottom surface of the carton is high, and the design of the two clamping conveying parts 21 can be compatible with different specifications of carton sizes.

[0055] It should be understood that the two clamping conveying parts 21 can both be movably arranged, and the position of the carton is fixed in a center positioning manner, in the embodiment, the two clamping conveying parts 21 comprise a fixed part 21a and a movable part 21b, the fixed part 21a is fixed to one side of the bearing table 1 in the first horizontal direction, and the movable part 21b moves towards or away from the fixed part 21a along the first horizontal direction. That is, the fixed part 21a is used as a reference for the position of the carton, and the position of the carton is determined in a side positioning manner.

[0056] The present application does not limit the movable driving form of the clamping conveying part 21, for example, a lead screw structure, an electric push rod, etc. can be adopted. In the embodiment, the movable part 21b is driven by a motor, a speed reducer and a belt transmission structure 43 to move towards or away from the fixed part 21a.

[0057] In order to ensure the stability of the device, in some embodiments, the clamping conveying mechanism 2 further comprises at least one guide rod extending along the first horizontal direction; the movable part 21b moves along the guide rod, and the linear guidance is achieved through the guide rod. The guide rod can be reasonably arranged according to the size of the clamping conveying part 21 in the second horizontal direction.

[0058] In order to achieve the clamping and conveying functions of the clamping conveying part 21, in an embodiment, referring to Figure 2 , the clamping conveying part 21 comprises a support 211, a first conveying part and a first clamping part 213, the support 211 is arranged on the bearing table 1; the first conveying part is arranged at the side end surface of the bearing table 1 and can convey the carton along the second horizontal direction; the first clamping part 213 extends along the second horizontal direction and is fixed to the upper end surface of the support 211, the first clamping part 213 is arranged staggered with the first conveying part in the first horizontal direction and is used to contact the side end surface of the carton. It should be understood that when the clamping conveying part 21 is the fixed part 21a, the support 211 is fixed on the bearing table 1, and when the clamping conveying part 21 is the movable part 21b, the support 211 can be driven to move along the first horizontal direction. The first clamping part 213 and the first conveying part are arranged at the upper end and the side end of the support 211, so as to correspond to the side surface and the bottom surface of the carton respectively.

[0059] Further, the first conveying part comprises a plurality of first supporting rollers 2121 and a first belt 2122 sleeved outside the plurality of first supporting rollers 2121, the first belt 2122 is used to contact the bottom surface of the carton, the plurality of first supporting rollers 2121 are spaced along the second horizontal direction and are rotatably mounted to the side end surface of the support 211 along the axis extending in the first horizontal direction. It should be understood that at this time, the functional surface of the first belt 2122 should be arranged upward, and at least two supporting rollers located at the edge of the plurality of first supporting rollers 2121 can be actively rotated, so as to drive the carton to move.

[0060] In other embodiments, the first conveying part can also be arranged in the form of a plurality of rotating rollers or a moving platform capable of translating on the support 211, and the present application does not limit this.

[0061] The first clamping part 213 is arranged in the form of a combination of a baffle and a rotating roller, the baffle extends along the second horizontal direction, and its length should correspond to the conveying distance of the carton. The rotating roller can be passively rotated, so as to be in sliding cooperation with the carton. It should be understood that the first clamping part 213 can also be arranged in the form of a conveyor belt, and the present application does not limit this.

[0062] It should be noted that two cutter structures 31 can be set as parts moving up and down, and before the position of the carton is adjusted, the two cutter structures 31 are separated from the carton, or the cutter structure 31 located above can be lifted to cooperate with the avoidance of the carton, and the cutter structure 31 located below is fixed in the up-down direction, but the avoidance in the horizontal direction should be considered. In the embodiment, two cutter pieces 311 in the cutter structure 31 located below are respectively arranged on the fixed part 21a and the movable part 21b, and the other cutter structure 31 can move up and down.

[0063] The present application does not limit the specific form of the cutter piece 311, which can be a blade structure or a rotatable cutting disc. In an embodiment, please refer to Figure 3 The cutter piece 311 includes a mounting seat 3111, a guide part 3112 and a cutting knife 3113. The guide part 3112 extends in the first horizontal direction and is arranged on the mounting seat 3111. The guide part 3112 forms a contact plane 3112a arranged towards the other cutter piece 311, and a guide inclined surface 3112b connected with the contact plane 3112a. The guide part 3112 is used to contact the corresponding side surface. The cutting knife 3113 is arranged obliquely and extends in the first horizontal direction. The cutting knife 3113 is fixed to the mounting seat 3111, and the cutting edge of the cutting knife 3113 can protrude from the guide part 3112 to insert into the edge joint of the carton. It should be noted that the cutting knife 3113 is inserted between the inner flap and the outer flap when in use. The cutting knife 3113 is arranged obliquely, that is, the cutting edge of the cutting knife 3113 has a certain angle when it is inserted into the edge joint of the carton in the lateral direction. Such arrangement not only cuts the adhesive tape, but also reduces the degree of scratching of the inner flap of the carton. In the present application, the inclination angle of the second cutting knife 2304 is set to 0°-90°, and the angle between the cutting knife 3113 and the horizontal plane when cutting the adhesive tape is preferably 30°, which has the best carton cutting effect.

[0064] It should be understood that the mounting seat 3111 can be driven to move by a separate driving mechanism, or the mounting seat 3111 can be fixed on the fixed part 21a or the movable part 21b, which is set according to the actual installation position and movement requirement of the cutter piece 311.

[0065] Considering the wear and tear during use and the influence of the adhesive tape adhered to the cutting knife 3113 on the carton cutting effect, the cutting knife 3113 should be detachable for replacement.

[0066] Because the difference of the carton is larger, the same type of carton also has a large difference due to the collision and extrusion in the transportation process, therefore, in some embodiments, the mounting seat 3111 is mounted through a floating structure, so that the mounting seat 3111 has a floating stroke in the up-down direction and in the first horizontal direction. So that the cutting knife 3113 moves in the horizontal direction and the up-down direction with the position change and the shape change of the carton during the running, and achieves the effect of automatic adjustment with the shape and position change of the carton.

[0067] The present application does not limit the specific form of the floating structure, which can be realized by cooperation of multiple elastic members, or can be realized by cooperation of elastic members and sliding rails. In an embodiment, the mounting seat 3111 includes a horizontal seat body and a vertical seat body, the horizontal seat body and the vertical seat body are cooperated through sliding rails, and the bottom of the horizontal seat body is provided with a compression spring, and the bottom of the vertical seat body is also provided with a compression spring, so as to realize floating in two directions.

[0068] Furthermore, the guide part 3112 is provided with two, and the two guide parts 3112 are arranged at an angle, respectively contacting the side surface of the carton in the first horizontal direction and the end surface of the carton in the up-down direction, and the cutting knife 3113 is fixed to the guide part 3112 arranged in the first horizontal direction, so as to improve the positioning accuracy. Correspondingly, when the mounting seat 3111 includes a horizontal seat body and a vertical seat body, the two guide parts 3112 are arranged on the horizontal seat body and the vertical seat body respectively, and the cutting knife 3113 is located in the gap between the two guide parts 3112 in the up-down direction.

[0069] In order to improve the stability of the carton marking, in some embodiments, please refer to Figure 4 , the automatic carton marking device 100 further includes a pressing assembly 4, the pressing assembly 4 includes a pressing structure located above the bearing table 1 and capable of moving up and down, and the pressing structure is used for abutting against the top surface of the carton. So as to always give the carton a downward pressure during the marking process, and avoid the carton from moving.

[0070] Specifically, the pressing assembly 4 further includes a lifting mechanism, and the lifting mechanism is erected above the bearing table 1 through a mounting frame, that is, the pressing structure is arranged in a suspended manner, so that the layout of the equipment is more compact. Reasonably use the upper space.

[0071] The present application does not limit the specific form of the pressing structure, in some embodiments, the pressing structure comprises a connecting seat 41 and two pressing portions 42, the connecting seat 41 can move up and down; two pressing portions 42 are installed to the lower end of the connecting seat 41 along the first horizontal direction, and the two pressing portions 42 are used for pressing the top surface of the carton; the upper knife structure 31 is arranged on the connecting seat 41 and corresponds to one of the pressing portions. When the two pressing portions 42 contact the carton, they should be located between the two edge seams of the same end surface, and the knife structure 31 is installed based on the connecting seat 41, so that the two pressing portions 42 can share the lifting mechanism, thereby saving parts.

[0072] In other embodiments, the pressing structure can also be arranged as a structure matched with multiple rotating shafts, specifically, the pressing portion 42 can be arranged as a rotating shaft or an elastic pressing plate, and the present application does not limit this.

[0073] In the embodiments of the present application, please refer again to Figure 4 , each pressing portion 42 comprises multiple second supporting rollers 421 and a second belt 422, the multiple second supporting rollers 421 are arranged along the second horizontal direction and are rotatably installed on the connecting seat 41 along the axis extending in the first horizontal direction; the second belt 422 is sleeved outside the multiple second supporting rollers 421 and is used for abutting against the top surface of the carton. The structure of one pressing portion 42 is similar to that of the conveying portion, and it should be understood that the functional surface of the second belt 422 should be arranged upward, and the second belt 422 should be controlled to move synchronously in the process of conveying the carton.

[0074] Considering that the edge seam cutting carton adopts a side edge positioning mode, therefore, the distance between the two pressing portions 42 can be fixed and arranged at the side of the bearing table 1, but considering that the size of the carton is different, therefore, in some embodiments, the two clamping conveying portions 21 comprise a fixed portion 21a and a movable portion 21b which moves towards or away from the fixed portion 21a along the first horizontal direction; one of the pressing portions 42 is connected with the movable portion 21b through a transmission structure 43, so as to move synchronously with the movable portion 21b. The two pressing portions 42 can move synchronously, and the pressing portion 42 which is transmissionally connected with the movable portion 21b can move along the first horizontal direction. Therefore, the pressing portion 42 can be adjusted in distance with the other pressing portion 42 under the driving of the movable portion 21b, which increases flexibility and is more suitable for the side edge positioning mode, and can ensure that the two pressing portions 42 do not block the edge seam,

[0075] In the embodiments of the present application, the working process of the automatic carton cutting device 100 is as follows:

[0076] Before the carton enters the automatic carton cutting device 100, the distance between the two clamping conveying parts 21 is adjusted in advance, so that the carton can be supported by the two first conveying parts, and the carton is transferred to the clamping conveying mechanism 2 in a state that the edge seams of the carton are arranged in the second horizontal direction, at this time, the edge seams of the carton are parallel to the conveying direction, the two first conveying parts are driven to move, and the carton is driven to stop at a position, at this time, the cutter structure 31 is not in contact with the carton, the movable part 21b is driven to move, so that the position of the carton is adjusted to be on one side of the bearing table 1, and the carton is clamped, at this time, the center of the carton is deviated from the center of the bearing table 1 in the first horizontal direction. After the positioning and clamping of the carton in the first horizontal direction are completed, the two pressing parts 42 are controlled to be pressed to a position, the positioning and clamping of the carton in the up-down direction are completed, and then the carton is conveyed and moved, in the process of moving the carton, the guide part 3112 of each cutter 311 is in contact with the edge seams of the four corners of the carton and applies a certain pressure, the cutting edge 3113 of each cutter 311 is in an inclined state with respect to the horizontal plane, cuts into the edge seam and cuts the adhesive tape, the edge seam cutting operation is completed after the carton is conveyed by the two first conveying parts to completely flow out, at this time, the clamping conveying mechanism 2 and the pressing assembly 4 are reset, and the carton is released.

[0077] The above description is only an exemplary embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made according to the technical concept of the present application, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. An automatic carton cutting device for automatically cutting the tape at the edge of a carton, characterized in that: The automatic carton cutting device comprises: a bearing table; a clamping conveying mechanism comprising two clamping conveying parts arranged oppositely along a first horizontal direction above the bearing table, one of the two clamping conveying parts being movable along the first horizontal direction, the two clamping conveying parts being used for jointly clamping a carton and enabling the carton to be conveyed along a second horizontal direction; a cutter mechanism comprising two cutter structures arranged oppositely along a vertical direction, at least one of the cutter structures being movable along the vertical direction, each of the cutter structures comprising two cutter pieces arranged oppositely along the first horizontal direction, each of the cutter pieces being used for cutting off adhesive tapes at edge seams of a top surface and a bottom surface of the carton during conveying movement of the carton; wherein the cutter piece comprises: a mounting seat comprising a horizontal seat body and a vertical seat body, the horizontal seat body and the vertical seat body being matched through a slide rail, a compression spring being mounted at a bottom of the horizontal seat body, and a compression spring being mounted at a bottom of the vertical seat body, so that the mounting seat has floating strokes along the vertical direction and along the first horizontal direction; a guide part extending along the first horizontal direction and arranged on the mounting seat, the guide part forming a contact plane arranged towards the other cutter piece and a guide inclined surface connected with the contact plane; a cutting knife arranged obliquely and extending along the first horizontal direction, the cutting knife being fixed to the mounting seat, a knife tip of the cutting knife being capable of protruding from the guide part to be inserted into an edge seam of the carton; the guide part is provided with two guide parts arranged at an angle, respectively for contacting a side surface of the carton along the first horizontal direction and an end surface of the carton along the vertical direction, the two guide parts being arranged on the horizontal seat body and the vertical seat body respectively, the cutting knife being located in a gap between the two guide parts along the vertical direction; one of the two clamping conveying parts is a fixed part fixed to one side of the bearing table along the first horizontal direction, and the other of the two clamping conveying parts is a movable part movable along the first horizontal direction to approach or move away from the fixed part; the two cutter pieces in the lower cutter structure are arranged on the fixed part and the movable part respectively, and the other cutter structure is movable along the vertical direction; the automatic carton cutting device further comprises a pressing assembly comprising a pressing structure arranged above the bearing table and movable along the vertical direction, the pressing structure being used for abutting against a top surface of the carton; the pressing structure comprises: a connecting seat movable along the vertical direction; two pressing parts mounted to a lower end of the connecting seat along the first horizontal direction, the two pressing parts being used for pressing the top surface of the carton; the upper cutter structure is arranged on the connecting seat; one of the pressing parts and the movable part are connected through a transmission structure to be synchronously movable with the movable part.

2. The automatic box unscoring device of claim 1, wherein the clamping conveying part comprises: a support arranged on the bearing table; a first conveying part arranged at a side end surface of the bearing table and capable of conveying the carton along the second horizontal direction; and A first clamping portion extends along the second horizontal direction and is fixed to the upper end surface of the support, the first clamping portion is arranged in the first horizontal direction offset from the first conveying portion, and is used to contact a side end surface corresponding to the carton.

3. The automatic box unscoring device of claim 2, wherein The first conveying portion includes a plurality of first supporting rollers and a first belt sleeved outside the plurality of first supporting rollers, the first belt is used to contact the bottom surface of the carton, the plurality of first supporting rollers are spaced apart along the second horizontal direction and are rotatably installed on the side end surface of the support along an axis extending in the first horizontal direction.

4. The automatic box unscoring device of claim 1, wherein Each of the pressing portions includes: a plurality of second supporting rollers arranged at intervals along the second horizontal direction and rotatably installed on the connecting seat along an axis extending in the first horizontal direction; and a second belt sleeved outside the plurality of second supporting rollers and used to fit the top surface of the carton.

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