CN116986048A - Box packing and sealing equipment - Google Patents

Abstract

The invention provides box packing and sealing equipment which comprises a bottom frame, a spacing adjusting device, a box sealing device, a lifting device and a packing device, wherein two groups of conveying belts are oppositely arranged in the length direction of the bottom frame, the spacing adjusting device is rotatably arranged on the bottom frame, the spacing adjusting device drives the two groups of conveying belts to relatively slide along the width direction of a bracket, the box sealing device is arranged on the upper part of the bottom frame in a lifting manner, the closed box is subjected to tape pasting treatment by the box sealing device, the lifting device is vertically arranged on the bottom frame, the packing device is arranged in the bottom frame in a sliding manner, and a box cover is turned and closed by the packing device. According to the box body packing and box sealing equipment, the box body position can be adjusted through the arrangement of the interval adjusting device, the attaching precision of the box sealing device is improved, the box covers at different positions can be closed through the arrangement of the packing device, the manual use is reduced, the adaptability is improved, multiple adhesive tapes can be attached through the arrangement of the box sealing device, and the box sealing quality is improved.

Description

Box packing and sealing equipment

Technical Field

The invention relates to the technical field of box packing, in particular to box packing and sealing equipment.

Background

The carton sealing machine is mainly suitable for sealing and packaging cartons, adopts adhesive tape to seal the cartons, can be used singly or matched with a production line, can be used singly or matched with equipment such as a carton forming and unpacking machine, a box filling machine, a labeling machine, a bundling machine, a pallet stacking machine, a conveyor and the like to form a packaging production line, and is necessary equipment for the operation of the packaging production line.

At present, the existing box sealing machine needs to carry out buckling treatment on a box cover before the box body enters, generally adopts two track rods to enable box covers on two sides of the box body to be turned over and buckled, then the front box cover and the rear box cover are turned over and buckled through a stop rod and a swinging rod, the box body in the mode needs to be buckled only by adjusting the box covers to be in a vertical state, if the box covers and the box body walls form a certain angle, the box covers cannot enter the track rods, and buckling cannot be completed, so that the box covers need to be manually adjusted, personnel waste is easily caused, the working efficiency is reduced, the box body needs to be subjected to tape pasting treatment through tape positions during operation, deviation can not be corrected easily when tape pasting, and the quality of the tape pasting is reduced.

Disclosure of Invention

The invention aims to provide box packing and box sealing equipment, which aims to solve the problem that the existing box sealing machine is fixed in operation mode and needs to be manually matched with box sealing.

In order to achieve the above purpose, the technical scheme of the invention is realized as follows:

a case packing and sealing apparatus comprising:

the conveying device comprises a bottom frame, wherein two groups of conveying belts are oppositely arranged in the length direction of the bottom frame; the interval adjusting device is rotatably arranged on the underframe and drives the two groups of conveyor belts to slide relatively along the width direction of the bracket; the box sealing device is arranged at the upper part of the underframe in a lifting manner, and the box sealing device carries out tape pasting treatment on the closed box body;

the lifting device is vertically arranged on the underframe and drives the box sealing device to lift; the packing device is arranged in the underframe in a sliding manner, the packing device overturns and closes the box body cover, the quantity of the packing device is four groups, two groups of packing devices are arranged on the underframe in a sliding manner, and the other two groups of packing devices are fixedly arranged on the conveying belt and slide along with the conveying belt.

Further, the packing device comprises a bearing frame, a gear arranged on the bearing frame in a rotating mode, a rack arranged on the bearing frame in a lifting mode and a swinging rod arranged at the top end of the rack in a rotating mode, the gear is meshed with the rack, and a first motor for driving the gear to rotate is fixedly arranged on the bearing frame.

Further, a first rotary cylinder is fixedly arranged at the top end of the rack, and the swinging rod is fixedly arranged at the driving end of the first rotary cylinder.

Further, the middle part of the underframe is fixedly provided with a supporting plate, two groups of packing devices on the underframe are arranged in a sliding mode on the supporting plate, and a driving assembly for driving the packing devices to slide is arranged on the supporting plate.

Further, the driving assembly comprises a second motor fixedly arranged on the supporting plate, a driving rod fixedly connected with the driving end of the second motor, and driven rods with two ends rotatably connected with the driving rod and the bearing frame, and the driven rods drive the bearing frame to slide on the supporting plate.

Further, the interval adjusting device comprises a first screw rod with two ends rotating on the underframe, a sliding block screwed on the first screw rod and a third motor driving the first screw rod to rotate, the conveying belt is fixedly arranged on the sliding block, the first screw rod is arranged on the underframe and provided with two conveying belts respectively corresponding to two ends of the conveying belt, the two first screw rods are respectively fixedly provided with a first sprocket, and the two first sprockets are driven by a chain.

Further, the case sealer comprises a vertical plate, an adhesive tape release assembly rotationally arranged on the vertical plate, a pressing assembly rotationally arranged on the vertical plate and a shearing assembly fixedly arranged on the vertical plate.

Further, the adhesive tape release assembly comprises a bearing plate rotatably arranged on the vertical plate, a reel rotatably arranged on the bearing plate, a first roller rotatably arranged on the bearing plate and a clamping piece rotatably arranged on the bearing plate, wherein first torsion springs are respectively arranged at the rotating positions of the clamping piece and the bearing plate and the rotating positions of the bearing plate and the vertical plate;

and/or the pressing component comprises an arc-shaped rod which is rotatably arranged on the vertical plate, a limiting rod which limits the rotation angle of the arc-shaped rod, and a second roller which is rotatably arranged at the bottom of the arc-shaped rod, wherein the limiting rod is fixedly arranged on the vertical plate, and a second torsion spring is arranged at the rotation position of the arc-shaped rod and the vertical plate;

and/or the shearing assembly comprises a transverse air cylinder fixedly arranged on the vertical plate and a pneumatic shear fixedly arranged at the driving end of the transverse air cylinder.

Further, the lifting device comprises two vertical frames which are oppositely arranged on the underframe, a second screw rod which is arranged in the vertical frames in a rotating mode, a fourth motor which drives the second screw rod to rotate, and a cross beam which is in threaded connection with the second screw rod, wherein two second screw rods are respectively fixedly provided with a second chain wheel, two second chain wheels are in transmission through a chain, and the box sealing device is arranged on the cross beam.

Further, a second rotary cylinder is arranged between the cross beam and the box sealing device, a cross plate is fixedly arranged at the driving end of the second rotary cylinder, a linear guide rail is fixedly arranged at the bottom of the cross plate, and the box sealing device is fixedly arranged at the sliding part of the linear guide rail.

Compared with the prior art, the invention has the following beneficial effects:

according to the box body packing and box sealing equipment, the box body position can be adjusted through the arrangement of the interval adjusting device, the attaching precision of the box sealing device is improved, the box covers at different positions can be closed through the arrangement of the packing device, the manual use is reduced, the adaptability is improved, multiple adhesive tapes can be attached through the arrangement of the box sealing device, and the box sealing quality is improved.

In addition, through the cooperation setting of rack and gear, the lift of steerable swinging arms does not influence the transmission of box after carrying out the seal box processing to can use not the box of equidimension, improve the suitability, through the setting of first revolving cylinder, steerable swinging arms rotates and closes the case lid, improve the automation of equipment, through drive assembly's setting, the position of adjustable swinging arms, guarantee that the case lid closure can all be carried out to not unidimensional box, further improve the usability.

In addition, through the cooperation setting of screw rod and conveyer belt, ensure that the conveyer belt can only remove simultaneously when removing, ensure that the box is located the equipment middle part, improve sealing tape precision, through the cooperation setting of sticky tape release subassembly and pushing down the subassembly, can ensure further pressfitting behind the sticky tape bonding, improve laminating quality, through the setting of shearing subassembly, can cut the sticky tape, avoid the pressure of cutting down when cutting down, make the sticky tape position change, through the cooperation setting of crossbeam and joint sealing device, can realize laminating not high box, improve the suitability, through the cooperation setting of second revolving cylinder and linear guide, so as to ensure that the box can pass the joint sealing of multichannel sticky tape, improve the joint sealing quality.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

fig. 1 is a schematic diagram of the overall structure of a box packing and sealing device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a structure of four packing devices according to an embodiment of the present invention;

FIG. 3 is a schematic view of a spacing adjustment device according to an embodiment of the present invention;

FIG. 4 is a schematic view of a facing bagging apparatus according to an embodiment of the present invention;

FIG. 5 is a schematic view of a case sealer and lifter according to an embodiment of the present invention;

FIG. 6 is an exploded view of a lifting device according to an embodiment of the present invention;

FIG. 7 is an exploded view of a cross beam and box sealing apparatus according to an embodiment of the present invention;

FIG. 8 is a schematic view of a case sealer according to an embodiment of the invention;

FIG. 9 is an exploded view of a box sealing device according to an embodiment of the present invention;

fig. 10 is a schematic view of a shear assembly according to an embodiment of the present invention.

Reference numerals illustrate:

1. a chassis; 2. a conveyor belt;

3. a spacing adjusting device; 301. a first screw; 302. a slide block; 303. a third motor; 304. a first sprocket;

4. a box sealing device; 401. a vertical plate;

402. a tape release assembly; 4021. a carrying plate; 4022. a reel; 4023. a first roller; 4024. a clamping piece; 4025. a first torsion spring;

403. pressing down the assembly; 4031. an arc-shaped rod; 4032. a limit rod; 4033. a second roller; 4034. a second torsion spring;

404. a shear assembly; 4041. a transverse cylinder; 4042. pneumatic scissors;

5. a lifting device; 501. a vertical frame; 502. a second screw; 503. a fourth motor; 504. a cross beam; 505. a second sprocket; 506. a second rotary cylinder; 507. a cross plate; 508. a linear guide rail;

6. a packing device; 601. a carrier; 602. a gear; 603. a rack; 604. a swinging rod; 605. a first motor; 606. a first rotary cylinder; 607. a support plate;

608. a drive assembly; 6081. a second motor; 6082. a driving rod; 6083. a driven rod.

Detailed Description

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.

In the description of the present invention, it should be noted that, if terms indicating an azimuth or a positional relationship such as "upper", "lower", "inner", "back", and the like are presented, they are based on the azimuth or the positional relationship shown in the drawings, only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, if any, are also used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present invention, the terms "mounted," "connected," "coupled," and "connected," are to be construed broadly, unless otherwise specifically limited. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in combination with specific cases.

The invention will be described in detail below with reference to the drawings in connection with embodiments.

The embodiment relates to a box packing and box sealing device, which is structurally integrated, as shown in fig. 1 and 2, and comprises a bottom frame 1, a distance adjusting device 3, a box sealing device 4, a lifting device 5 and a packing device 6.

Wherein, chassis 1 length direction is provided with two sets of conveyer belts 2 relatively, interval adjusting device 3 rotates to set up on chassis 1, interval adjusting device 3 drives two sets of conveyer belts 2 along support width direction relative slip, box sealing device 4 lift sets up on chassis 1 upper portion, box sealing device 4 carries out rubberizing tape treatment with the box of closure, elevating gear 5 vertical setting is on chassis 1, elevating gear 5 drives box sealing device 4 lift, packing device 6 slip sets up in chassis 1, packing device 6 is with box lid upset closure, packing device 6 quantity is four sets of, wherein two sets of slip sets up on chassis 1, other two sets of fixed settings are on conveyer belt 2, and follow conveyer belt 2 slip.

It should be noted that the moving direction of the conveyor belt 2 is the conveying direction of the box, after the conveyor belt 2 stops rotating when moving to the designated position, four packing devices 6 are adjusted to four faces of the box, wherein two opposite faces are on the conveyor belt 2 and move along with the conveyor belt 2, two opposite faces are slidingly adjusted on the underframe 1, in addition, a supporting plate 607 is fixedly arranged in the middle of the underframe 1, two groups of packing devices 6 on the underframe 1 are slidingly arranged on the supporting plate 607, and a driving component 608 for driving the packing devices 6 to slide is arranged on the supporting plate 607. The backup pad 607 sets up along chassis 1 length direction, and is parallel with conveyer belt 2, has seted up the slide on the backup pad 607, and packing apparatus 6 sliding fit in the slide, and drive assembly 608 can order about two packing apparatus 6 to slide in two slides simultaneously.

In addition, through lift upset with the case lid closure, then remove case sealer 4 to box upper portion through elevating gear 5, case sealer 4 carries out the case sealer, interval adjusting device 3 can drive two conveyer belts 2 and remove simultaneously, ensure that the box can be located the middle part of chassis 1, and can ensure to drive not unidimensional box and transmit, improve equipment's suitability, case sealer 4 can carry out the case sealer automatically and handle, and cooperation elevating gear 5, can ensure to adapt to not the box of co-altitude, improve equipment's automation, reduce manual regulation.

Based on the above overall description, as shown in fig. 3 and 4, the packing device 6 of an exemplary structure of the box packing box sealing apparatus of the present embodiment includes a carrier 601, a gear 602 rotatably provided on the carrier 601, a rack 603 provided on the carrier 601 in a lifting manner, and a swing lever 604 rotatably provided on the top end of the rack 603, the gear 602 being engaged with the rack 603, and a first motor 605 for driving the gear 602 to rotate being fixedly provided on the carrier 601. The top end of the rack 603 is fixedly provided with a first rotary cylinder 606, and the swinging rod 604 is fixedly arranged at the driving end of the first rotary cylinder 606.

It should be noted that, the above-mentioned carrier 601 slides on the backup pad 607, and gear 602 are all provided on carrier 601, that is to say gear 602 and rack 603 follow carrier 601 and remove, and gear 602 pivot is connected on carrier 601, drive it through first motor 605 and rotate, then with rack 603 meshing, rack 603 accomplishes the lift, rack 603 rises, the case lid that can control swinging rod 604 undulant in optional position is closed, and rack 603 descends, can ensure not influence the box and carry out equipment along conveyer belt 2, the base fixed mounting of first revolving cylinder 606 is on rack 603, the drive end and the swinging rod 604 fixed connection of first revolving cylinder 606 ensure that swinging rod 604 can rotate automatically, gear 602 can preferably adopt two, ensure that the travel distance of rack 603 becomes big, still can ensure the stability when lifting.

Preferably, as shown in fig. 4, the driving assembly 608 of the present embodiment includes a second motor 6081 fixedly disposed on the support plate 607, a driving rod 6082 fixedly connected to the driving end of the second motor 6081, and a driven rod 6083 having both ends rotatably connected to the driving rod 6082 and the carrier 601, wherein the driven rod 6083 drives the carrier 601 to slide on the support plate 607.

Specifically, the second motor 6081 is located in the middle of the support plate 607, the driving end of the second motor 6081 is connected with the middle of the driving rod 6082, so that the driving rod 6082 can rotate, the distances from the middle to the two ends of the driving rod 6082 are equal, the same moving positions of the two bearing frames 601 are ensured, the lengths of the two driven rods 6083 are also the same, the bearing frames 601 can be driven to move, the bearing frames 601 slide in the sliding ways on the support plate 607, and the moving distances of the driving rod 6082 and the driven rods 6083 can be ensured to be the same.

As shown in fig. 3, the distance adjusting device 3 of the present embodiment preferably includes a first screw 301 with two ends rotatably disposed on the chassis 1, a slider 302 screwed on the first screw 301, and a third motor 303 driving the first screw 301 to rotate, the conveyor belt 2 is fixedly disposed on the slider 302, the first screw 301 is disposed on the chassis 1 in a manner of being aligned with two first sprockets 304 respectively corresponding to two ends of the conveyor belt 2, and the two first sprockets 304 are respectively fixedly disposed on the two first screws 301 and are driven by a chain.

Specifically, the two first screws 301 are located at two ends of the conveyor belt 2, the supporting plate 607 is located between the two first screws 301, so that the two packing devices 6 on the supporting plate 607 can slide reciprocally, the sliding blocks 302 are tightly moved when the first screws 301 rotate, it should be noted that, in order to ensure that the two sliding and relatively moving on the same first screw 301, the threads on the first screws 301 can be provided with two groups, and the directions of the threads of the two groups are relatively arranged, so that the two sliding blocks 302 can be ensured to relatively move, so that the two conveyor belts 2 can clamp the box in the middle of the device, the first chain wheels 304 on the two first screws 301 can be driven by the chain, so that the two first screws 301 can rotate simultaneously, and the third motor 303 can drive one of the first screws 301 to rotate, so that the two conveyor belts 2 can move to any positions and keep parallel all the time.

As a preferred embodiment, as shown in fig. 7, in this embodiment, the box sealing device 4 includes a vertical plate 401, a tape release member 402 rotatably provided on the vertical plate 401, a pressing member 403 rotatably provided on the vertical plate 401, and a cutting member 404 fixedly provided on the vertical plate 401.

It should be noted that, above-mentioned riser 401 follows elevating gear 5 and descends to box upper portion after the case lid is closed, can drive sticky tape release subassembly 402 through the removal of riser 401 and remove, then laminate the sticky tape of pasting on the box through pushing down subassembly 403, avoid laminating unreasonable problem, and shearing subassembly 404 can cut the sticky tape short, avoid current equipment when the cutting, make sticky tape take place plastic deformation, change the viscosity of sticky tape to reduce the life of sticky tape.

As shown in fig. 8, the tape release assembly 402 of the present embodiment preferably includes a carrier plate 4021 rotatably provided on a vertical plate 401, a reel 4022 rotatably provided on the carrier plate 4021, a first roller 4023 rotatably provided on the carrier plate 4021, and a clip 4024 rotatably provided on the carrier plate 4021, wherein first torsion springs 4025 are provided at the rotational positions of the clip 4024 and the carrier plate 4021, and the rotational positions of the carrier plate 4021 and the vertical plate 401, respectively;

specifically, there is the fixed axle on the loading board 4021, there is the round hole on the riser 401, one of them first torsional spring 4025 sets up between fixed axle and round hole, ensure loading board 4021 atress downwards, and first roller sets up two at least, first rotation is installed in the bottommost of loading board 4021 side, another can be used as the direction of sticky tape, when the laminating of bottommost first roller and box, the sticky tape that is located first roller department and box bonding this moment, then riser 401 removes, the sticky tape releases from reel 4022, first running roller 4023 is once laminated the sticky tape, when the laminating of bottommost first running roller 4023 and box, loading board 4021 receives the power, produce and rotate, first torsional spring 4025 is hard this moment, so set up can avoid the box atress too big to produce the deformation, and folder 4 is located bottommost roller one side, and set up the fixed axle equally on 4024, set up the round hole equally on the loading board 4021, also set up first torsional spring 5 between it, can ensure that folder 4024 can be with the centre gripping in this position, make things convenient for laminating with the sticky tape of box, one piece of folder 4 and sticky tape bonding with the sticky tape of 4024, can not cause the problem of gluing with the sticky tape of folder 4024.

In addition, as shown in fig. 9, the pressing assembly 403 includes an arc lever 4031 rotatably provided on the vertical plate 401, a limit lever 4032 for limiting the rotation angle of the arc lever 4031, and a second roller 4033 rotatably provided at the bottom of the arc lever 4031, the limit lever 4032 being fixedly provided on the vertical plate 401, and a second torsion spring 4034 being provided at the rotation positions of the arc lever 4031 and the vertical plate 401;

specifically, the above arc-shaped bar 4031 may preferably be an L-shaped bar with an angle larger than 90 °, which ensures that the second roller 4033 presses the adhesive tape on the top surface and the front and rear sides for the second time, the limiting bar 4032 ensures the lowest position of the arc-shaped bar 4031, and naturally, a limiting bar 4032 is disposed on the vertical plate 401 on one side of the carrier plate 4021, so that the rotation angle of the carrier plate 4021 can be limited, the arc-shaped bar 4031 and the carrier plate 4021 can be stopped after rotating clockwise for a certain position, the arc-shaped bar 4031 and the vertical plate 401 are also provided with the fixed shaft and the round hole on the arc-shaped bar 4031, the round hole is formed on the vertical plate 401, and the second torsion spring 4034 plays the role in the same way as the above, so that when the second roller 4033 abuts against the box, the second torsion spring 4034 is stressed, and deformation caused by overlarge stress of the box is avoided.

In addition, as shown in fig. 10, the shearing module 404 includes a lateral cylinder 4041 fixedly provided on the vertical plate 401, and a pneumatic shear 4042 fixedly provided at the driving end of the lateral cylinder 4041. Specifically, the lateral air cylinder 4041 is disposed on one surface of the vertical plate 401, which is away from the adhesive tape release assembly 402, the lateral air cylinder 4041 can drive the pneumatic shear 4042 to move back and forth, the pneumatic shear 4042 cannot be affected when the adhesive tape is attached, and after the adhesive tape is attached, the pressing assembly 403 continues to press the adhesive tape, the pneumatic shear 4042 can shear the adhesive tape, the cutting can be avoided, deformation of the adhesive tape is avoided, attaching quality is improved, and the pneumatic shear 4042 is common starting equipment in the prior art and is not described herein.

As a preferred embodiment, as shown in fig. 5 and 6, in this example, the lifting device 5 includes two uprights 501 provided on the chassis 1 relatively, a second screw 502 provided in the uprights 501 to rotate, a fourth motor 503 for driving the second screw 502 to rotate, and a cross member 504 screwed to the second screw 502, the two second screws 502 are fixedly provided with second sprockets 505, respectively, and the two second sprockets 505 are driven by a chain, and the box sealing device 4 is provided on the cross member 504. A second rotary air cylinder 506 is arranged between the cross beam 504 and the case sealing device 4, a cross plate 507 is fixedly arranged at the driving end of the second rotary air cylinder 506, a linear guide rail 508 is fixedly arranged at the bottom of the cross plate 507, and the case sealing device 4 is fixedly arranged at the sliding part of the linear guide rail 508.

It should be noted that, above-mentioned vertical frame 501 is located the middle part of chassis 1 both sides, namely the middle part of backup pad 607, so set up and ensure that case sealer 4 can be located the box top, conveniently paste the sticky tape, drive through second sprocket 505 between two screws, and second sprocket 505 passes through chain drive, so set up and ensure that two second screws 502 rotate simultaneously, can keep balanced when realizing crossbeam 504 when going up and down, it is noted that, the inside gear that sets up of crossbeam 504, slide along crossbeam 504 length direction and set up the rack, the rack is driven to the gear and is removed, further can drive case sealer 4 and remove, so set up and can paste the sticky tape in the different positions of box, improve the quality of case sealer, and add second revolving cylinder 506 between riser 401 and the rack, ensure that case sealer 4 can rotate, realize the case sealer of two directions, and the angle that second revolving cylinder 506 is 180 reciprocating rotation, ensure that linear guide 508 can make a circular telegram or ventilation operation, linear guide 508 can drive case sealer 4 reciprocating slip, the sticky tape that makes progress, improve the suitability of equipment, and the effect of transverse guide 507 can be fixed on second linear guide 508 and make it move at this linear guide 506 more stable in the current technology when doing more in this field.

The box packing case sealer in this embodiment through setting up of interval adjusting device 3, can adjust the box position, improves the laminating precision of case sealer 4, through setting up of packing device 6, can close the case lid of different positions, reduces artificial use, improves adaptability, through the setting of case sealer 4, can carry out the laminating of multichannel sticky tape, improves the case sealing quality.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (10)

1. The utility model provides a box packing case sealer which characterized in that includes:

the conveying device comprises an underframe (1), wherein two groups of conveying belts (2) are oppositely arranged in the length direction of the underframe (1);

the interval adjusting device (3) is rotatably arranged on the underframe (1), and the interval adjusting device (3) drives the two groups of conveying belts (2) to slide relatively along the width direction of the underframe (1);

the box sealing device (4) is arranged at the upper part of the underframe (1) in a lifting manner, and the box sealing device (4) carries out tape pasting treatment on the closed box body;

the lifting device (5) is vertically arranged on the underframe (1), and the lifting device (5) drives the box sealing device (4) to lift;

the packing device (6) is arranged in the underframe (1) in a sliding manner, the packing device (6) turns over and closes the box body cover, the number of the packing device (6) is four, two groups of packing devices are arranged on the underframe (1) in a sliding manner, and the other two groups of packing devices are fixedly arranged on the conveying belt (2) and slide along with the conveying belt (2).

2. The case packing and sealing apparatus according to claim 1, wherein:

the packing device (6) comprises a bearing frame (601), a gear (602) rotatably arranged on the bearing frame (601), a rack (603) arranged on the bearing frame (601) in a lifting mode, and a swinging rod (604) rotatably arranged at the top end of the rack (603), wherein the gear (602) is meshed with the rack (603), and a first motor (605) for driving the gear (602) to rotate is fixedly arranged on the bearing frame (601).

3. The case packing and sealing apparatus according to claim 2, wherein:

the top end of the rack (603) is fixedly provided with a first rotary cylinder (606), and the swinging rod (604) is fixedly arranged at the driving end of the first rotary cylinder (606).

4. The case packing and sealing apparatus according to claim 2, wherein:

the packing device is characterized in that a supporting plate (607) is fixedly arranged in the middle of the underframe (1), two groups of packing devices (6) on the underframe (1) are arranged on the supporting plate (607) in a sliding mode, and a driving assembly (608) for driving the packing devices (6) to slide is arranged on the supporting plate (607).

5. The case packing and sealing apparatus according to claim 4, wherein:

the driving assembly (608) comprises a second motor (6081) fixedly arranged on the supporting plate (607), a driving rod (6082) fixedly connected with the driving end of the second motor (6081), and driven rods (6083) with two ends rotatably connected with the driving rod (6082) and the bearing frame (601), wherein the driven rods (6083) drive the bearing frame (601) to slide on the supporting plate (607).

6. The case packing and sealing apparatus according to claim 1, wherein:

the interval adjusting device (3) comprises a first screw rod (301) with two ends rotating on the underframe (1), a sliding block (302) screwed on the first screw rod (301) and a third motor (303) driving the first screw rod (301) to rotate, the conveying belt (2) is fixedly arranged on the sliding block (302), the first screw rod (301) is arranged on the underframe (1) and is provided with two first chain wheels (304) respectively corresponding to two ends of the conveying belt (2), and the two first chain wheels (304) are respectively and fixedly arranged on the first screw rod (301) in a chain transmission mode.

7. The case packing and sealing apparatus according to any one of claims 1 to 6, wherein:

the box sealing device (4) comprises a vertical plate (401), an adhesive tape release assembly (402) rotatably arranged on the vertical plate (401), a pressing assembly (403) rotatably arranged on the vertical plate (401) and a shearing assembly (404) fixedly arranged on the vertical plate (401).

8. The case packing and sealing apparatus according to claim 7, wherein:

the adhesive tape release assembly (402) comprises a bearing plate (4021) rotatably arranged on the vertical plate (401), a reel (4022) rotatably arranged on the bearing plate (4021), a first roller (4023) rotatably arranged on the bearing plate (4021) and a clamping piece (4024) rotatably arranged on the bearing plate (4021), wherein a first torsion spring (4025) is respectively arranged at the rotation position of the clamping piece (4024) and the bearing plate (4021) and the rotation position of the bearing plate (4021) and the vertical plate (401);

and/or, the pressing component (403) comprises an arc-shaped rod (4031) rotatably arranged on the vertical plate (401), a limiting rod (4032) for limiting the rotation angle of the arc-shaped rod (4031), and a second roller (4033) rotatably arranged at the bottom of the arc-shaped rod (4031), the limiting rod (4032) is fixedly arranged on the vertical plate (401), and a second torsion spring (4034) is arranged at the rotation position of the arc-shaped rod (4031) and the vertical plate (401);

and/or the shearing assembly (404) comprises a transverse air cylinder (4041) fixedly arranged on the vertical plate (401) and a pneumatic shear (4042) fixedly arranged at the driving end of the transverse air cylinder (4041).

9. The case packing and sealing apparatus according to claim 1, wherein:

the lifting device (5) comprises two vertical frames (501) which are oppositely arranged on the underframe (1), a second screw rod (502) which is rotatably arranged in the vertical frames (501), a fourth motor (503) which drives the second screw rod (502) to rotate, and a cross beam (504) which is screwed on the second screw rod (502), wherein the two second screw rods (502) are respectively fixedly provided with a second sprocket (505), the two second sprockets (505) are transmitted through a chain, and the box sealing device (4) is arranged on the cross beam (504).

10. The case packing and sealing apparatus according to claim 9, wherein:

the novel box sealing device is characterized in that a second rotary cylinder (506) is arranged between the cross beam (504) and the box sealing device (4), a cross plate (507) is fixedly arranged at the driving end of the second rotary cylinder (506), a linear guide rail (508) is fixedly arranged at the bottom of the cross plate (507), and the box sealing device (4) is fixedly arranged at the sliding part of the linear guide rail (508).