CN220181250U - Automatic change case sealer - Google Patents

Abstract

The utility model relates to an automatic box sealing machine, which belongs to the technical field of packaging machinery and comprises: an automated case sealer comprising: the box body to be sealed is rotationally connected to the frame and is transported along the front end and the rear end directions; the two sides of the supporting frame corresponding to the transport assembly are fixed on the frame; the folding box assembly is fixed on the front side, the rear paper board and the two side paper boards of the support frame; the sealing component is fixed at the rear side of the support frame; the cutting assembly is fixed on the sealing assembly. The utility model firstly utilizes the box folding component to fold and close the front paper board, the rear paper board and the two side paper boards at the box opening at the top of the box body; then the adhesive tape is stuck on the gap between the two side paperboards by using the adhesive sealing component; finally, cutting the adhesive tape stuck between the two side paperboards by using a cutting assembly; can automatically and efficiently complete the folding, the sealing and the cutting of the box body, thereby improving the box sealing efficiency of the box sealing machine.

Description

Automatic change case sealer

Technical Field

The utility model relates to the technical field of packaging machinery, in particular to an automatic box sealing machine.

Background

Packaging is a necessary condition for products to enter the circulation field, and the main means for realizing packaging is to use a box sealer. The structure of case sealer comprises frame, conveying subassembly, support frame, book case subassembly and seal gluey subassembly generally, for example patent number: CN110395450a, entitled box sealer. In this patent, a conveying assembly is rotatably connected to a frame and can transport a box body to be sealed in the front-rear end direction of the frame; the two sides of the supporting frame corresponding to the conveying components are fixed on the frame; the folding box assembly is fixed on the front side of the support frame; the sealing component is fixed at the rear side of the supporting frame. The front paper board, the rear paper board and the two side paper boards of the box body can be folded and closed by utilizing the box folding assembly and the glue sealing assembly, and the adhesive tape is adhered to the gap between the two side paper boards, so that the box sealing operation of the box body is efficiently and automatically completed.

However, the above patent does not design an adhesive tape pressing assembly and an adhesive tape cutting assembly, and the adhesive tape sealing assembly can only paste the adhesive tape on the gap between the two side paperboards, so that the adhesive tape is required to be pressed manually and the pressed adhesive tape is required to be cut manually in the follow-up process, thereby greatly reducing the working efficiency of the box sealing machine; in addition, the conveying assembly does not have a box body positioning function, so that the conveyed box body cannot be aligned with the box folding assembly, and the box body cannot be folded and closed normally, and the follow-up glue sealing assembly is affected; 2. the folding box component and the sealing component are fixed on the supporting frame, and the height of the supporting frame cannot be changed, so that the folding box component and the sealing component cannot be suitable for packaging various boxes with different heights.

Therefore, how to design a box sealing machine with high automation level and strong adaptability is a technical problem to be solved in the field.

Disclosure of Invention

The utility model provides an automatic box sealing machine, which solves the technical problems that the existing box sealing machine is low in box sealing efficiency and cannot be suitable for packaging boxes with different sizes.

The technical scheme for solving the technical problems is as follows, an automatic box sealing machine comprises:

the length direction of the rack is the front end and the rear end direction;

the transport assembly is rotationally connected to the rack and transports the box body to be sealed along the front end and the rear end directions;

the support frames are fixed on the frame corresponding to the two sides of the transport assembly;

the box folding assembly is fixed on the front side of the supporting frame and is used for folding and closing a front paper board, a rear paper board and two side paper boards at the box opening at the top of the box body;

the sealing assembly is fixed on the rear side of the supporting frame and is used for pasting the adhesive tape on a gap between the two folded side paperboards;

and the cutting assembly is fixed on the sealing assembly and cuts the adhesive tapes stuck on the two side paperboards.

The beneficial effects of the utility model are as follows: firstly, folding and closing a front paper board, a rear paper board and two side paper boards at the top box opening of the box body by utilizing a box folding assembly; then the adhesive tape is stuck on the gap between the two side paperboards by using the adhesive sealing component; finally, cutting the adhesive tape stuck between the two side paperboards by using a cutting assembly; can automatically and efficiently complete the folding, the sealing and the cutting of the box body, thereby improving the box sealing efficiency of the box sealing machine.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the transportation assembly comprises a plurality of material conveying rollers which extend along the width direction of the frame, the material conveying rollers are connected to the frame in a front-back interval rotation mode, and the rotation axes of the material conveying rollers are parallel to the width direction of the frame so as to transport the box body along the front-back direction.

Further, still include the locating component that is used for locating the box, the locating component includes:

the two movable slats are oppositely arranged along the front end and the rear end, are slidably connected above the plurality of conveying rollers along the length direction of the plurality of conveying rollers, the gaps between the two movable slats are positioning areas for positioning the box body, and the opposite side surfaces of the two movable slats are provided with mounting grooves arranged along the length direction of the two movable slats;

the positioning rollers are rotationally connected in the two mounting grooves at intervals along the length direction of the two mounting grooves, and the rotation axes of the positioning rollers are parallel to the height direction of the frame;

the two positioning cylinders are positioned below the plurality of material conveying rollers and are respectively fixed on two sides of the frame, and the telescopic ends of the two positioning cylinders reciprocate along the length direction of the material conveying rollers and are respectively fixed on the two movable slats through connecting rods; the width of the positioning area is enlarged or reduced along with the movement of the two movable slats so as to adapt to positioning of the box bodies with different widths.

The box body transported on the material conveying roller can be positioned and aligned with the box folding assembly, the glue sealing assembly and the cutting assembly, and the qualification rate and consistency of folding and closing, glue sealing and cutting of the box sealing machine are improved.

Further, the support frame includes:

two upright posts which extend along the height direction of the stand, wherein the two upright posts are respectively fixed at two sides of the stand, and the opposite side surfaces of the upright posts are provided with sliding grooves which are arranged along the length direction of the upright posts;

the two lead screws are respectively and rotatably connected in the two sliding grooves along the length direction of the sliding grooves;

the two sliding blocks are respectively positioned in the two sliding grooves and are respectively connected with the two lead screws in a threaded manner;

the movable cross beam is positioned above the plurality of material conveying rollers in parallel, and two ends of the movable cross beam are respectively fixed on the two sliding blocks and reciprocate up and down along with the movement of the two sliding blocks; the folding box assembly is fixed on the front side of the movable cross beam, and the sealing assembly is fixed on the rear side of the movable cross beam so as to adapt to the box bodies with different heights.

The box folding assembly and the glue sealing assembly can be synchronously driven to move up and down, so that the box sealing machine is suitable for packaging boxes with different heights, and the flexibility of operation of the box sealing machine is improved.

Further, the support frame also comprises two handles, the top groove walls of the two sliding grooves are respectively provided with a perforation, and the two perforations respectively penetrate through the top ends of the upright posts corresponding to the perforations; the top ends of the two lead screws respectively rotate to penetrate through the two through holes; the two handles are respectively fixed at the top ends of the two penetrating holes of the two lead screws.

Further, the bellows assembly includes:

a rear flap arranged in the front-rear end direction and having a rear end vertically fixed on a front side of the moving cross member;

the back folding cylinder is fixed on the back folding plate, and the telescopic end of the back folding cylinder moves back and forth along the direction of the front end and the rear end;

the top end of the back folding shifting rod is hinged to the front end of the back folding plate, the middle part of the back folding shifting rod is hinged to the telescopic end of the back folding cylinder, and a back folding push rod is fixed at the bottom end of the back folding shifting rod at a preset angle;

the front folded plate is fixed at the bottom of the rear folded plate in parallel corresponding to the lower part of the rear folded cylinder, and the plate surface of the front folded plate close to the front end of the front folded plate is bent upwards to form a cambered surface structure;

the two side folding rods are respectively positioned at two sides of the front folding plate, the two side folding rods are respectively inclined downwards in sequence along the direction of the front and rear ends and towards the direction close to the front folding plate, and the rear ends of the two side folding rods are fixed on the front side of the movable cross beam.

The front paper board can be folded and closed at the box opening of the box body by utilizing the cambered surface structure at the front end of the front folded plate to contact with the front paper board of the box body on the material conveying roller; then, two side folding rods which are downwards in sequence along the front and rear end directions and incline towards the direction close to the front folding plate are contacted with two side paper boards of the box body on the material conveying roller, so that the two side paper boards can be folded and closed at the box opening at the top of the box body; and finally, the telescopic end of the backward folding cylinder moves backward to drive the backward folding deflector rod and the backward folding push rod to contact with the backward paper board of the box body on the material conveying roller, so that the backward paper board can be folded and closed at the box opening at the top of the box body.

Further, the seal assembly includes:

the fixed frame is fixed on the rear side of the movable cross beam in parallel;

the winding roller is wound with the adhesive tape and is rotationally connected above the fixed frame through a bracket;

the plurality of transfer rollers are sequentially connected to the inner side wall of the fixed frame in a rotating way at intervals from top to bottom;

the top end of the first connecting rod is hinged to the inner side wall, close to the front end of the fixed frame, of the fixed frame; the top end of the second connecting rod is hinged to the inner side wall of the fixed frame close to the rear end of the fixed frame;

the front pressing roller is rotationally connected to the bottom end of the first connecting rod, and the rotation axis of the front pressing roller is parallel to the rotation axis of the material conveying roller;

and the rear press roller is rotationally connected with the bottom end of the second connecting rod, and the rotation axis of the rear press roller is parallel to the rotation axis of the front press roller.

The adhesive tape winding on the winding roller sequentially passes through the plurality of transfer rollers, is stuck to the gap between the two side paperboards under the extrusion of the front pressing roller, is compacted by the rear pressing roller, and can be firmly stuck to the gap between the two side paperboards.

Further, the seal assembly further comprises: the front end of the third connecting rod is fixed at the top end of the first connecting rod; the front end of the fourth connecting rod is hinged to the top end of the second connecting rod, and the rear end of the fourth connecting rod is fixed to the front end of the third connecting rod.

The front pressing roller and the rear pressing roller can be linked by utilizing the third connecting rod and the fourth connecting rod, so that the front pressing roller and the rear pressing roller can coordinate and squeeze the adhesive tape to be adhered to the joint between the two side paperboards.

Further, still include the extrusion subassembly, the extrusion subassembly includes:

the fixing rods are arranged along the width direction of the frame, two ends of each fixing rod are respectively fixed on two side walls of the fixing frame close to the front end of the fixing frame, and two ends of each fixing rod respectively penetrate out of two opposite side walls of the fixing frame;

the two sliding sleeves are respectively connected with the two ends of the fixing rod penetrating out of the fixing frame in a sliding manner along the length direction of the fixing rod, and threaded holes which are perpendicular to the inner holes of the two sliding sleeves are formed in the side walls of the two sliding sleeves;

the two adjusting bolts are respectively connected to the threaded holes on the two sliding sleeves in a threaded mode, and the extending ends of the two adjusting bolts can be abutted to the side walls of the fixing rods;

the two squeeze rollers are respectively connected to the two sliding sleeves in a rotating mode, the rotating axes of the two squeeze rollers are parallel to the height direction of the frame, and the distance between the two squeeze rollers is enlarged or reduced along with the movement of the two sliding sleeves so as to adapt to squeezing of the box bodies with different widths.

The adoption of the method has the further beneficial effects that the gap between the two side paperboards is compressed by using the two squeeze rollers, so that the sealing performance of the box body package can be improved; meanwhile, as the two squeeze rollers can be mutually close to or mutually far away along with the two sliding sleeves, the box body squeezing machine can be adapted to squeeze and compress box bodies with different widths, and therefore the flexibility of packaging of the box sealing machine is improved.

Further, the clipping assembly includes:

the fixing plate is positioned between the front pressing roller and the rear pressing roller and is fixed in the fixing frame;

the cutting cylinder is fixed on the fixed plate, the telescopic end of the cutting cylinder movably penetrates through the fixed plate, and the telescopic end of the cutting cylinder moves up and down in a reciprocating manner;

and the cutting knife is fixed at the telescopic end of the cutting cylinder.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of an automatic case sealer according to the present utility model;

FIG. 2 is a schematic diagram showing a front perspective view of a folding box assembly, a sealing assembly and a cutting assembly in an automatic box sealing machine;

FIG. 3 is a schematic rear perspective view of a folding box assembly, a sealing assembly and a cutting assembly in an automatic box sealing machine;

FIG. 4 is a schematic side view of an automated case sealer according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. the machine frame is provided with a machine frame,

2. a material conveying roller is arranged on the upper surface of the material conveying roller,

3. a supporting frame 31, a column 32, a screw rod 33, a sliding block 34, a movable cross beam 35 and a handle,

4. a folding box assembly 41, a rear folding plate 42, a rear folding cylinder 43, a rear folding deflector rod 44, a front folding plate 45, a side folding rod 46, a rear folding push rod,

5. the sealing component, 51, the fixed frame, 52, the winding roller, 53, the first connecting rod, 54, the second connecting rod, 55, the front pressing roller, 56, the rear pressing roller, 57, the third connecting rod, 58 and the fourth connecting rod,

6. a cutting assembly 61, a cutting cylinder 62 and a cutting knife,

7. a positioning component 71, a movable slat 72, a positioning roller 73, a positioning cylinder,

8. the device comprises a squeezing component 81, a fixed rod 82, a sliding sleeve 83, an adjusting bolt 84 and a squeezing roller.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

As shown in fig. 1, an automated case sealer, comprising:

the machine frame 1, the length direction of the machine frame 1 is the front and rear end direction;

the transport assembly is rotationally connected to the frame 1 and transports the box body to be sealed along the front and rear end directions;

the support frames 3, the two sides of the support frames 3 corresponding to the transport assembly are fixed on the frame 1;

the box folding assembly 4 is fixed on the front side of the supporting frame 3 and is used for folding a front paper board, a rear paper board and two side paper boards at the top box opening of the closed box body;

the sealing assembly 5 is fixed on the rear side of the support frame 3, and the adhesive tape is stuck on a gap between the two folded side paperboards;

and the cutting assembly 6 is fixed on the sealing assembly 5 and cuts the adhesive tapes stuck on the two side paperboards.

In some embodiments, the transporting assembly may include a plurality of material conveying rollers 2 extending along the width direction of the frame 1, where the plurality of material conveying rollers 2 are connected to the frame 1 in a front-back rotation manner, and the rotation axes of the material conveying rollers are parallel to the width direction of the frame 1, so as to transport the box body along the front-back direction.

In some embodiments, the positioning assembly 7 for positioning the case may be further included, and the positioning assembly 7 includes:

two movable laths 71 which are oppositely arranged along the front and rear end directions, wherein the two movable laths 71 are slidably connected above the plurality of material conveying rollers 2 along the length directions of the plurality of material conveying rollers 2, gaps between the two movable laths 71 are positioning areas for positioning the box body, and mounting grooves which are arranged along the length directions of the two movable laths 71 are arranged on opposite side surfaces of the two movable laths 71;

the positioning rollers 72 are rotationally connected in the two mounting grooves at intervals along the length direction of the two mounting grooves, and the rotation axes of the positioning rollers 72 are parallel to the height direction of the frame 1;

the two positioning cylinders 73, the two positioning cylinders 73 are all positioned below the plurality of material conveying rollers 2 and are respectively fixed on two sides of the frame 1, and the telescopic ends of the two positioning cylinders 73 are all moved back and forth along the length direction of the material conveying rollers 2 and are respectively fixed on the two movable slats 71 through connecting rods; the width of the positioning area is enlarged or reduced with the movement of the two moving laths 71 to adapt to positioning of the boxes with different widths.

In some embodiments, the support frame 3 may include:

two upright posts 31 which extend along the height direction of the frame 1, wherein the two upright posts 31 are respectively fixed on two sides of the frame 1, and the opposite side surfaces of the two upright posts are provided with sliding grooves which are arranged along the length direction of the two upright posts;

the two lead screws 32 are respectively and rotatably connected in the two sliding grooves along the length direction of the sliding grooves;

the two sliding blocks 33 are respectively positioned in the two sliding grooves and are respectively connected with the two lead screws 32 in a threaded manner;

the movable cross beam 34, the movable cross beam 34 is positioned above the plurality of material conveying rollers 2 in parallel, and two ends of the movable cross beam 34 are respectively fixed on the two sliding blocks 33 and reciprocate up and down along with the movement of the two sliding blocks 33; the folding box assembly 4 is fixed on the front side of the movable cross beam 34, and the sealing assembly 5 is fixed on the rear side of the movable cross beam 34 so as to adapt to boxes with different heights.

In some embodiments, the support frame 3 may further include two handles 35, where the top walls of the two sliding grooves are respectively provided with a through hole, and the two through holes respectively penetrate through the top ends of the corresponding upright posts 31; the top ends of the two lead screws 32 respectively rotate to penetrate through the two perforations; two handles 35 are respectively fixed on the top ends of the two screws 32 penetrating through the two through holes.

In some embodiments, the bellows assembly 4 may include:

a rear flap 41, the rear flap 41 being arranged in the front-rear direction and its rear end being vertically fixed on the front side of the moving cross member 34;

a back folding cylinder 42, the back folding cylinder 42 is fixed on the back folding plate 41 and the telescopic end of the back folding cylinder moves back and forth along the front and back direction;

the top end of the back folding shifting lever 43 is hinged at the front end of the back folding plate 41, the middle part of the back folding shifting lever 43 is hinged at the telescopic end of the back folding air cylinder 42, and the bottom end of the back folding shifting lever 43 is fixed with a back folding push rod 46 at a preset angle;

the front folded plate 44, the front folded plate 44 is fixed at the bottom of the rear folded plate 41 in parallel corresponding to the lower part of the rear folded air cylinder 42, and the plate surface of the front folded plate 44 close to the front end is bent upwards to form a cambered surface structure;

the two side folding rods 45, the two side folding rods 45 are respectively located at two sides of the front folding plate 44, the two side folding rods 45 are downward and incline towards the direction close to the front folding plate 44 along the front and rear end directions, and the rear ends of the two side folding rods 45 are fixed on the front side of the movable cross beam 34.

In some embodiments, the sealer assembly 5 may include:

a fixed frame 51, the fixed frame 51 being fixed in parallel to the rear side of the movable cross member 34;

a winding roller 52 around which the adhesive tape is wound, the winding roller 52 being rotatably connected above the fixing frame 51 by a bracket;

a plurality of transfer rollers which are sequentially and rotatably connected to the inner side wall of the fixed frame 51 at intervals from top to bottom;

a first link 53 and a second link 54, the top end of the first link 53 being hinged to the inner side wall of the fixed frame 51 near the front end thereof; the top end of the second connecting rod 54 is hinged on the inner side wall of the fixed frame 51 near the rear end of the fixed frame;

the front press roller 55 is rotatably connected to the bottom end of the first connecting rod 53, and the rotation axis of the front press roller 55 is parallel to the rotation axis of the material conveying roller 2;

the rear pressing roller 56 and the front pressing roller 55 are rotatably connected to the bottom end of the second link 54 and the rotation axis thereof is parallel to the rotation axis of the front pressing roller 55.

In some embodiments, the molding assembly 5 may further include: a third link 57 and a fourth link 58, the front end of the third link 57 being fixed to the top end of the first link 53; the front end of the fourth link 58 is hinged to the top end of the second link 54 and the rear end thereof is fixed to the front end of the third link 57.

In some embodiments, the extrusion assembly 8 may also be included, the extrusion assembly 8 including:

the fixing rod 81, the fixing rod 81 is arranged along the width direction of the frame 1, two ends of the fixing rod 81 are respectively fixed on two side walls of the fixing frame 51 near the front end of the fixing frame, and two ends of the fixing rod penetrate out of two opposite side walls of the fixing frame 51 respectively;

the two sliding sleeves 82 are respectively connected with the two ends of the fixing rod 81 penetrating out of the fixing frame 51 in a sliding manner along the length direction of the fixing rod 81, and threaded holes which are perpendicular to the inner holes of the two sliding sleeves 82 are formed in the side walls of the two sliding sleeves 82;

the two adjusting bolts 83 are respectively connected to the threaded holes on the two sliding sleeves 82 in a threaded manner, and the extending ends of the two adjusting bolts 83 can be abutted against the side wall of the fixed rod 81;

the two squeeze rollers 84, the two squeeze rollers 84 are respectively connected on the two sliding sleeves 82 in a rotating way, the rotating axes of the two squeeze rollers 84 are parallel to the height direction of the frame 1, and the distance between the two squeeze rollers 84 is enlarged or reduced along with the movement of the two sliding sleeves 82 so as to adapt to squeezing the boxes with different widths.

In some embodiments, the clipping assembly 6 may include:

a fixing plate which is positioned between the front press roller 55 and the rear press roller 56 and is fixed in the fixing frame 51;

the cutting cylinder 61, the cutting cylinder 61 is fixed on the fixed plate and the telescopic end of the cutting cylinder 61 passes through the fixed plate, the telescopic end of the cutting cylinder 61 moves up and down in a reciprocating way;

and a cutter 62, the cutter 62 being fixed to the telescopic end of the cutter cylinder 61.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims (10)

1. An automated case sealer, comprising:

the device comprises a rack (1), wherein the length direction of the rack (1) is the front-rear end direction;

the transport assembly is rotationally connected to the frame (1) and transports the box body to be sealed along the direction of the front end and the rear end;

the supporting frames (3) are fixed on the frame (1) corresponding to the two sides of the conveying assembly;

the box folding assembly (4), the box folding assembly (4) is fixed on the front side of the supporting frame (3) and folds and closes a front paper board, a rear paper board and two side paper boards at the box opening at the top of the box body;

the sealing assembly (5) is fixed on the rear side of the supporting frame (3) and is used for pasting the adhesive tape on a gap between the two folded side paperboards;

and the cutting assembly (6) is fixed on the sealing assembly (5) and cuts the adhesive tapes stuck on the two side paperboards.

2. An automated case sealer according to claim 1, wherein the transport assembly comprises a plurality of feed rollers (2) each extending in a width direction of the frame (1), the plurality of feed rollers (2) being rotatably connected to the frame (1) at intervals from front to back, and having rotational axes each parallel to the width direction of the frame (1) for transporting the case in the front-rear direction.

3. An automated case sealer according to claim 2, further comprising a positioning assembly (7) for positioning the case, the positioning assembly (7) comprising:

the two movable slats (71) are oppositely arranged along the front end and the rear end, the two movable slats (71) are slidably connected above the plurality of conveying rollers (2) along the length direction of the plurality of conveying rollers (2), a gap between the two movable slats (71) is a positioning area for positioning the box body, and mounting grooves which are arranged along the length direction of the two movable slats (71) are formed in opposite side surfaces of the two movable slats (71);

the positioning rollers (72) are rotationally connected in the two mounting grooves at intervals along the length direction of the two mounting grooves, and the rotation axes of the positioning rollers (72) are parallel to the height direction of the frame (1);

the two positioning cylinders (73), the two positioning cylinders (73) are positioned below the plurality of material conveying rollers (2) and are respectively fixed on two sides of the frame (1), and the telescopic ends of the two positioning cylinders (73) reciprocate along the length direction of the material conveying rollers (2) and are respectively fixed on the two movable laths (71) through connecting rods; the width of the positioning area is enlarged or reduced along with the movement of the two movable slats (71) so as to adapt to positioning of the boxes with different widths.

4. An automated case sealer according to claim 2, wherein the support frame (3) comprises:

two upright posts (31) which extend along the height direction of the frame (1), wherein the two upright posts (31) are respectively fixed on two sides of the frame (1), and the opposite side surfaces of the two upright posts are provided with sliding grooves which are arranged along the length direction of the two upright posts;

the two lead screws (32), the two lead screws (32) are respectively and rotatably connected in the two sliding grooves along the length direction of the sliding grooves;

the two sliding blocks (33) are respectively positioned in the two sliding grooves and are respectively connected with the two lead screws (32) in a threaded manner;

the movable cross beam (34) is positioned above the plurality of material conveying rollers (2) in parallel, and two ends of the movable cross beam (34) are respectively fixed on the two sliding blocks (33) and reciprocate up and down along with the movement of the two sliding blocks (33); the folding box assembly (4) is fixed on the front side of the movable cross beam (34), and the sealing assembly (5) is fixed on the rear side of the movable cross beam (34) so as to adapt to the box bodies with different heights.

5. An automatic box sealer according to claim 4, wherein the supporting frame (3) further comprises two handles (35), the top walls of the two sliding grooves are respectively provided with perforations, and the two perforations respectively penetrate through the top ends of the corresponding upright posts (31); the top ends of the two lead screws (32) respectively rotate to penetrate through the two through holes; the two handles (35) are respectively fixed at the top ends of the two penetrating holes of the two lead screws (32).

6. An automated case sealer according to claim 4, wherein the bellows assembly (4) comprises:

-a rear flap (41), the rear flap (41) being arranged in the front-rear direction and its rear end being fixed vertically on the front side of the mobile transverse beam (34);

a back folding cylinder (42), wherein the back folding cylinder (42) is fixed on the back folding plate (41) and the telescopic end of the back folding cylinder moves back and forth along the front and rear end directions;

the top end of the back folding deflector rod (43) is hinged to the front end of the back folding plate (41), the middle of the back folding deflector rod is hinged to the telescopic end of the back folding cylinder (42), and a back folding push rod (46) is fixed at the bottom end of the back folding deflector rod (43) at a preset angle;

the front folded plate (44) is fixed at the bottom of the rear folded plate (41) in parallel corresponding to the lower part of the rear folded cylinder (42), and the plate surface of the front folded plate (44) close to the front end of the front folded plate is bent upwards to form a cambered surface structure;

the two side folding rods (45), the two side folding rods (45) are respectively located at two sides of the front folding plate (44), the two side folding rods (45) are downwards in sequence along the direction of the front end and the rear end and incline towards the direction close to the front folding plate (44), and the rear ends of the two side folding rods (45) are fixed on the front side of the movable cross beam (34).

7. An automated case sealer according to claim 4, wherein the glue assembly (5) comprises:

a fixed frame (51), wherein the fixed frame (51) is fixed on the rear side of the movable cross beam (34) in parallel;

a winding roller (52) around which the adhesive tape is wound, the winding roller (52) being rotatably connected above the fixing frame (51) through a bracket;

the plurality of transfer rollers are sequentially connected to the inner side wall of the fixed frame (51) in a rotating way at intervals from top to bottom;

the top end of the first connecting rod (53) is hinged to the inner side wall of the fixed frame (51) close to the front end of the fixed frame; the top end of the second connecting rod (54) is hinged to the inner side wall of the fixed frame (51) close to the rear end of the fixed frame;

the front press roller (55) is rotationally connected to the bottom end of the first connecting rod (53), and the rotation axis of the front press roller (55) is parallel to the rotation axis of the material conveying roller (2);

and the rear pressing roller (56), the front pressing roller (55) is rotatably connected to the bottom end of the second connecting rod (54) and the rotation axis of the front pressing roller is parallel to the rotation axis of the front pressing roller (55).

8. An automated case sealer according to claim 7, wherein the glue assembly (5) further comprises: a third link (57) and a fourth link (58), the front end of the third link (57) being fixed to the top end of the first link (53); the front end of the fourth link (58) is hinged to the top end of the second link (54) and the rear end thereof is fixed to the front end of the third link (57).

9. An automated case sealer according to claim 7, further comprising a squeeze assembly (8), said squeeze assembly (8) comprising:

the fixing rods (81), the fixing rods (81) are arranged along the width direction of the frame (1), two ends of the fixing rods (81) are respectively fixed on two side walls of the fixing frame (51) close to the front end of the fixing frame, and two ends of the fixing rods respectively penetrate out of two opposite side walls of the fixing frame (51);

the two sliding sleeves (82) are respectively connected with the two ends of the fixing rod (81) penetrating out of the fixing frame (51) in a sliding manner along the length direction of the fixing rod (81), and threaded holes which are perpendicular to the inner holes of the two sliding sleeves (82) are formed in the side walls of the two sliding sleeves (82);

the two adjusting bolts (83), the two adjusting bolts (83) are respectively connected to the threaded holes on the two sliding sleeves (82) in a threaded manner, and the extending ends of the two adjusting bolts can be abutted against the side wall of the fixed rod (81);

the two squeeze rollers (84), two squeeze rollers (84) are respectively connected to the two sliding sleeves (82) in a rotating mode, the rotating axes of the two squeeze rollers are parallel to the height direction of the frame (1), and the distance between the two squeeze rollers (84) is enlarged or reduced along with the movement of the two sliding sleeves (82) so as to adapt to squeezing of the box bodies with different widths.

10. An automated case sealer according to claim 7, wherein the cutting assembly (6) comprises:

a fixing plate which is located between the front press roller (55) and the rear press roller (56) and is fixed in the fixing frame (51);

the cutting cylinder (61) is fixed on the fixed plate, the telescopic end of the cutting cylinder (61) movably penetrates through the fixed plate, and the telescopic end of the cutting cylinder (61) moves up and down in a reciprocating mode;

and the cutting knife (62) is fixed at the telescopic end of the cutting cylinder (61).