CN212710119U

CN212710119U - Cover folding and box sealing machine

Info

Publication number: CN212710119U
Application number: CN202020456160.8U
Authority: CN
Inventors: 顾佳奇
Original assignee: Zhangjiagang Hanqi Automation Equipment Co ltd
Current assignee: Zhangjiagang Hanqi Automation Equipment Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2021-03-16
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a roll over lid case sealer, include: the automatic cover folding device comprises a rack, wherein a conveying device, a control device and an installation rack are arranged on the rack, a rear cover folding device, a front cover folding device, a cover opening device, a side cover folding device and a box sealing head are arranged on the installation rack, and a lifting device for driving the installation rack to move up and down is also arranged on the rack; the structure of the capping device is as follows: a first air cylinder which can be controlled by a control device is arranged on the mounting frame, and a rack is fixedly arranged on a piston rod of the first air cylinder; a connecting shaft is movably supported on the mounting frame, and two collision rods for colliding the front cover of the distribution box are respectively and fixedly arranged at two ends of the connecting shaft; a first gear meshed with the rack is fixedly sleeved on the shaft body of the connecting shaft; the rack is meshed with the first gear under the driving of the first cylinder to drive the connecting shaft to rotate so as to enable the collision rod to collide with the front cover of the distribution box; the utility model discloses can be high-efficient automatically with the delivery case lid along its crease line inwards bend and accomplish the joint sealing operation.

Description

Cover folding and box sealing machine

Technical Field

The utility model relates to the field of packaging machinery, concretely relates to roll over lid case sealer.

Background

With the rise of the logistics industry, the distribution box is widely used as a packaging tool for shipping products. The distribution box is often folded and pressed into a flat shape before use, the distribution box needs to be unfolded into a box shape when in use, then a box cover plate at the lower end of the distribution box is covered, then a product is put into the distribution box, the whole distribution box is sent into a cover folding and sealing machine, the box cover plate at the upper end of the distribution box is folded and sealed by the cover folding and sealing machine, and finally a box sealing head in the cover folding and sealing machine is used for carrying out adhesive tape pasting and sealing on a box top cover plate.

In the packaging machinery industry today, a box sealing head is a common tape sealing device, and the structure of the box sealing head comprises: the box sealing device comprises a box sealing head component, a box sealing head mounting frame, a tape roll, a box sealing roller and other components, wherein before the distribution box enters the box sealing head, the box sealing roller extends out of the box sealing head mounting frame; when the distribution box enters the box sealing head, the box sealing head part pushes against the box sealing roller to retract into the box sealing head mounting frame; after the distribution box enters the box sealing head, the box sealing head part can paste the adhesive tape at the joint between the distribution box cover plates and can cut off the adhesive tape, and meanwhile, the box sealing idler wheels stretch out and paste the two ends of the adhesive tape on the corresponding box body side plates, so that the adhesive tape sealing is completed.

However, in the process of folding the cover of the distribution box, because some box covers are made of hard materials, when the folding lines of the box covers of the distribution box are shallow, the box covers of the distribution box are not easy to be bent inwards along the folding lines, and even the box covers of the distribution box can be damaged, so that unnecessary loss can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can reduce to delivery case lid and damage and can high-efficient automatically with the inside book lid case sealer of bending of delivery case lid along its crease line.

In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: roll over lid case sealer includes: the automatic box sealing machine comprises a rack, wherein a conveying device used for conveying a distribution box is arranged at the bottom of the rack, a mounting rack is arranged in the middle of the rack, a rear cover folding device used for inwards folding and flatting a rear cover of the distribution box is arranged at the rear part of the mounting rack, a front cover folding device used for inwards folding and flatting a front cover of the distribution box and a side cover folding device used for inwards folding and flatting left and right side covers of the distribution box are arranged in the middle of the mounting rack, a cover opening device used for inwards folding and flatting a front cover of the distribution box is also arranged in the middle of the mounting rack, a box sealing head used for sealing a box by using an adhesive tape is arranged at the front part of the mounting rack, and a control device and a lifting; the structure of the cover opening device is as follows: a first cylinder is arranged on the mounting frame, and a rack is fixedly arranged on a piston rod of the first cylinder; a connecting shaft is movably supported on the mounting frame, and collision rods for colliding the front cover of the distribution box and bending the front cover of the distribution box inwards are fixedly arranged at two ends of the connecting shaft respectively; a first gear meshed with the rack is fixedly sleeved on the shaft body of the connecting shaft; the first cylinder is controlled by the control device to operate, the rack is meshed and matched with the first gear under the driving of the first cylinder to drive the connecting shaft to rotate, and then the collision rod is driven to rotate along with the connecting shaft to realize inward collision with the front cover of the distribution box.

Further, aforementioned case sealer with folding cover, wherein, be provided with first photoelectric sensing switch in the middle part bottom of mounting bracket to first photoelectric sensing switch's position is arranged and is satisfied following condition: in the process that the mounting frame moves downwards, when the first photoelectric sensing switch detects that the front cover of the distribution box is not bent yet, the first photoelectric sensing switch sends a control signal to the control device to control the cover opening device to operate so as to enable the front cover of the distribution box to be bent inwards.

Further, in the above case sealer, the structure of the rear cover folding device includes: the rear end of the mounting frame is provided with a first cover folding arm and a second air cylinder, and the second air cylinder is controlled by the control device to operate; the tail end of the first folding arm is hinged to the mounting frame, a piston rod of the second cylinder is connected with the first folding arm, and the first folding arm can rotate around a hinge point under the driving of the second cylinder; a third cylinder and a first folding cover plate are hinged on the first folding cover arm, and the third cylinder is controlled by a control device to operate; a piston rod of the third cylinder is hinged with one end of a connecting rod, the other end of the connecting rod is connected with the first folding cover plate, and the connecting rod can drive the first folding cover plate to rotate around a hinged point to fold the rear cover of the distribution box inwards and flatly under the driving of the third cylinder; the first magnetic inductor is arranged in the cylinder body of the third cylinder, the first magnetic ring is arranged on the piston rod of the third cylinder, when the first folding cover plate is folded inwards to horizontally fold the rear cover of the distribution box, the first magnetic ring just moves to a position which can be sensed by the first magnetic inductor along with the piston rod, and at the moment, the first magnetic inductor sends a control signal to the control device to control the operation of the conveying device.

Further, in the case folding and sealing machine, the front cover folding device has a structure that: a pipe body with a cavity inside and a second folding cover plate are hinged to the middle of the mounting frame, a movable rod is arranged in the cavity inside the pipe body and can move in the cavity inside the pipe body, the movable rod is hinged to one end of a connecting arm, and the other end of the connecting arm is fixedly connected with the second folding cover plate; when the second folding cover plate is in a free state, the second folding cover plate is in a free inclined forward drooping state under the action of gravity; under elevating gear's drive, the second is rolled over the board and is removed along with the mounting bracket is downward, and when the second was rolled over the board and is moved down to and the delivery case protecgulum contact, the second was rolled over the board and can be upwards rotated round the pin joint to continue to move down and even the protecgulum of delivery case to the infolding.

Further, in the cover folding and carton sealing machine, the movable rod is provided with a second magnetic ring, and the pipe wall of the pipe body is provided with a second magnetic inductor which can induce the second magnetic ring and send a signal to the control device; when the second folding plate rotates to the horizontal position, the front cover of the distribution box is folded inwards to be flat, the second magnetic ring just moves to the position which can be sensed by the second magnetic inductor along with the movement of the movable rod, and the second magnetic inductor sends a control signal to the control device to control the operation of the conveying device and stop the downward movement of the lifting device so as to prevent the second folding plate from continuing to move downwards along with the mounting frame.

Further, in the above case sealer, the structure of the side flap apparatus includes: the left side and the right side of the upper end of the mounting frame are respectively provided with a fourth cylinder, the operation of the fourth cylinders is controlled by a control device, a piston rod of each fourth cylinder is hinged with a second folding arm, one end of each second folding arm is hinged on the mounting frame, and the other end of each second folding arm is fixedly provided with a root side folding cover rod; under the driving of a fourth cylinder, the second folding cover arm can drive the side folding cover rod to rotate around the hinge point to collide inwards and fold and flatten the left side cover and the right side cover of the distribution box; the third magnetic inductor is arranged inside the cylinder body of the fourth cylinder, the piston rod of the fourth cylinder is provided with a third magnetic ring, when the second folding arm drives the side folding cover rod to fold inwards to horizontally distribute the left side cover and the right side cover of the box, the third magnetic ring just moves to a position which can be sensed by the third magnetic inductor along with the piston rod, and the third magnetic inductor sends a control signal to the control device to control the operation of the conveying device.

Further, in the above case sealer, the lifting device includes: the left side and the right side of the rack are respectively provided with a first guide rod, and the mounting rack is sleeved on the first guide rods and can move up and down along the first guide rods; the top parts of the left side and the right side of the rack are respectively provided with a first rotating shaft, each first rotating shaft is respectively provided with a first chain wheel and a second chain wheel, and the first chain wheels are provided with first transmission chains; a second rotating shaft is respectively arranged in the middle of the left side and the right side of the rack, a third chain wheel is arranged on each second rotating shaft, a second transmission chain which is arranged in the vertical direction is arranged on each third chain wheel and the second chain wheel on the same side of each third chain wheel, and the chain body of each second transmission chain is fixedly connected with the mounting rack; a first driving motor controlled by a control device to operate is installed at the top of the rack, a first driving sprocket is arranged on an output shaft of the first driving motor, and the first driving sprocket is meshed with a first transmission chain; under the drive of a first driving motor, a first driving chain wheel drives a first transmission chain to move, a second transmission chain moves along with the first transmission chain, and then the mounting frame moves up and down along with the second transmission chain.

Further, in the above-mentioned case sealer, the conveying device has a structure including: a plurality of conveying rollers are arranged at the bottom of the frame at intervals, a fourth chain wheel is fixedly arranged at the left end and the right end of each conveying roller respectively, a fifth chain wheel is arranged at one end of one conveying roller, and third transmission chains are arranged on all the fourth chain wheels; a second driving motor and a third rotating shaft which are controlled by a control device to operate are arranged on the machine frame below the conveying roller, and a sixth chain wheel and a seventh chain wheel are arranged on the third rotating shaft at intervals; a second driving chain wheel is arranged on an output shaft of the second driving motor, a fourth transmission chain is arranged on the second driving chain wheel and the sixth chain wheel, and a fifth transmission chain is arranged on the seventh chain wheel and the fifth chain wheel; under the drive of the second drive motor, the third rotating shaft rotates along with the movement of the fourth transmission chain, and the fifth transmission chain moves along with the rotation of the third rotating shaft so as to drive the conveying roller to rotate.

Further, in the above-described case sealer, a position correcting mechanism for correcting a position of the dispensing box so that the dispensing box moves against the front cover folding device is provided at a bottom of the frame, and the position correcting mechanism has a specific structure of: two supporting guide rails are arranged on the machine frame below the conveying roller, and the left push plate and the right push plate are positioned above the left side and the right side of the conveying roller, downwards penetrate through a gap between adjacent conveying rollers, are placed on the supporting guide rails and can move left and right on the supporting guide rails; a fifth cylinder is arranged at the bottom of the frame and is controlled by the control device to operate; the left side and the right side of the bottom of the rack are respectively provided with a fourth rotating shaft, each fourth rotating shaft is provided with an eighth chain wheel, a sixth transmission chain is arranged on the two opposite eighth chain wheels, a piston rod of a fifth cylinder is fixedly connected with a left push plate, the left push plate is fixedly connected with a lower chain body of the sixth transmission chain, and the right push plate is fixedly connected with an upper chain body of the sixth transmission chain; under the driving of the fifth cylinder, the left push plate moves back and forth to drive the sixth transmission chain to circularly reciprocate around the fourth rotating shaft, so that the right push plate is synchronously driven to move; the fourth magnetic inductor is arranged in the cylinder body of the fifth air cylinder, the piston rod of the fifth air cylinder is provided with a fourth magnetic ring, when the position of the distribution box is corrected to be right opposite to the front cover folding device, the fourth magnetic ring just moves to the position which can be sensed by the fourth magnetic inductor along with the piston rod, and at the moment, the fourth magnetic inductor sends a control signal to the control device to control the operation of the conveying device.

Further, in the cover folding and carton sealing machine, a second photoelectric sensing switch, a third photoelectric sensing switch and a fourth photoelectric sensing switch are respectively arranged at the bottom of the rack; and the arrangement positions of the second photoelectric sensing switch, the third photoelectric sensing switch and the fourth photoelectric sensing switch meet the following conditions: when the second photoelectric sensing switch senses the front side plate of the distribution box in the forward conveying process of the distribution box, a control signal is sent to the control device to control the operation of the conveying device and the position correction mechanism; when the third photoelectric sensing switch senses the front side plate of the distribution box, a control signal is sent to the control device to control the operation of the conveying device and the lifting device; when the second photoelectric sensing switch senses the rear side plate of the distribution box, a control signal is sent to the control device to control the operation of the conveying device and the rear cover folding device; when the fourth photoelectric sensing switch senses the front side plate of the distribution box, a control signal is sent to the control device to control the operation of the conveying device and the side cover folding device.

Through the implementation of the above technical scheme, the beneficial effects of the utility model are that: in the process of carrying out the joint sealing to the delivery case, can reduce to the delivery case lid and damage and can high-efficient automatically with the delivery case lid along its crease line inwards bend and accomplish the joint sealing operation, improved work efficiency.

Drawings

Fig. 1 is a schematic structural view of the cover folding and box sealing machine of the present invention.

Fig. 2 is a right-view structural diagram of fig. 1.

Fig. 3 is an enlarged schematic view of a portion a shown in fig. 1.

Fig. 4 is an enlarged schematic view of a portion B shown in fig. 1.

Fig. 5 is an enlarged schematic view of a portion C shown in fig. 1.

Fig. 6 is an enlarged schematic view of a portion D shown in fig. 2.

Fig. 7 is an enlarged schematic view of a portion E shown in fig. 2.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

In the present embodiment, the forward direction H of the distribution box shown in fig. 1 is defined as a forward direction, and the reverse direction of the forward direction H of the distribution box is defined as a backward direction.

As shown in fig. 1, 2 and 3, the cover folding and box sealing machine includes: the machine comprises a frame 1, a conveying device used for conveying distribution boxes is arranged at the bottom of the frame 1, a mounting frame 2 is arranged at the middle of the frame 1, a rear cover folding device used for inwards folding and flatly folding a rear cover of the distribution boxes is arranged at the rear portion of the mounting frame 2, a front cover folding device used for inwards folding and flatly folding a front cover of the distribution boxes and a side cover folding device used for inwards folding and flatly folding a left side cover and a right side cover of the distribution boxes are arranged at the middle of the mounting frame 2, a cover opening device used for inwards folding and flatly folding the front cover of the distribution boxes is further arranged at the middle of the mounting frame 2, a box sealing head 3 used for sealing the adhesive tapes is arranged at the front portion of the mounting frame 2, and a control device and a lifting device used for driving. In this embodiment, the structure of the capping device is specifically: a first air cylinder 4 is arranged on the mounting frame 2, and a rack 5 is fixedly arranged on a piston rod of the first air cylinder 4; a connecting shaft 6 is movably supported on the mounting frame 2, and collision rods 7 for colliding the front cover of the distribution box to enable the front cover of the distribution box to be bent inwards are respectively and fixedly arranged at two ends of the connecting shaft 6; a first gear 8 meshed with the rack 5 is fixedly sleeved on the shaft body of the connecting shaft 6; in this embodiment, the middle bottom end of the mounting bracket 2 is further provided with a first photoelectric sensing switch 60, and the position arrangement of the first photoelectric sensing switch 60 satisfies the following conditions: in the process that the mounting frame 2 moves downwards, when the first photoelectric sensing switch 60 detects that the front cover of the distribution box is not bent, the first photoelectric sensing switch 60 sends a control signal to the control device to control the operation of the cover opening device, and the first air cylinder 4 in the cover opening device receives the control signal to drive the rack 5 to be meshed with the first gear 8 to drive the connecting shaft 6 to rotate, so that the collision rod 7 is driven to rotate along with the connecting shaft 6 to realize inward collision and bend the front cover of the distribution box; the cover opening device can collide the front cover of the distribution box in advance, so that the front cover of the distribution box is bent along the crease line of the front cover, the damage to the front cover of the distribution box in the cover folding operation process can be avoided, and the work efficiency is improved.

In this example, as shown in fig. 1 and 5, the structure of the rear folding cover device is specifically as follows: a first folding cover arm 9 and a second cylinder 10 are arranged at the rear end of the mounting frame 2, the tail end of the first folding cover arm 9 is hinged to the mounting frame 2, a piston rod of the second cylinder 10 is connected with the first folding cover arm 9, and the second cylinder 10 can drive the first folding cover arm 9 to rotate around a hinge point under the control of the control device so as to approach a rear cover of the distribution box; a third cylinder 11 and a first folding cover plate 12 are hinged on the first folding cover arm 9, the operation of the third cylinder 11 is controlled by a control device, a piston rod of the third cylinder 11 is hinged with one end of a connecting rod 13, and the other end of the connecting rod 13 is connected with the first folding cover plate 12; a first magnetic inductor 54 is arranged in the cylinder body of the third cylinder 11, and a first magnetic ring 55 is arranged on the piston rod of the third cylinder 11; the third cylinder 11 receives the control signal to drive the connecting rod 13 and drive the first folding cover plate 12 to rotate around the hinge point and fold the rear cover of the distribution box inwards, at this time, the first magnetic ring 55 just moves to the position which can be sensed by the first magnetic sensor 54 along with the piston rod, and the first magnetic sensor 54 sends a control signal to the control device to control the operation of the conveying device.

In the present embodiment, as shown in fig. 1 and 3, the front folding cover device has the following structure: a pipe body 14 with a cavity inside and a second folding plate 15 are hinged to the middle of the mounting frame 2, a movable rod 53 is arranged in the cavity inside the pipe body 14, the movable rod 53 can move in the cavity inside the pipe body 14, the movable rod 53 is hinged to one end of a connecting arm 16, and the other end of the connecting arm 16 is fixedly connected with the second folding plate 15; in the free state, the second flap 15 is in a free inclined forward drooping state under the action of gravity; under elevating gear's drive, second flap board 15 moves down along with mounting bracket 2, and when second flap board 15 moved down to contact with the distribution case protecgulum, second flap board 15 can upwards rotate round the pin joint to continue moving down until the protecgulum of the flat distribution case of inside book. In this embodiment, the movable rod 53 is provided with a second magnetic ring 49, and the tube wall of the tube 14 is provided with a second magnetic inductor 48 capable of inducing the second magnetic ring 49 and sending signals to the control device; when the second flap 15 rotates to the horizontal position, the front cover of the dispensing box is folded inwards and leveled, at this time, the second magnetic ring 49 just moves to the position capable of being sensed by the second magnetic inductor 48 along with the movement of the movable rod 53, the second magnetic inductor 48 sends a control signal to the control device to control the operation of the conveying device and stop the downward movement of the lifting device, so that the second flap 15 can be prevented from continuously moving downwards along with the mounting frame 2 to cause damage to the dispensing box.

In the present embodiment, as shown in fig. 1, 2, and 6, the side flap apparatus has a structure in which: a fourth cylinder 17 is respectively arranged on the left side and the right side of the upper end of the mounting frame 2, a piston rod of each fourth cylinder 17 is hinged with a second folding arm 18, one end of each second folding arm 18 is hinged on the mounting frame 2, and the other end of each second folding arm 18 is fixedly provided with a side folding rod 19; the fourth air cylinder 17 can drive the second folding cover arm 18 to drive the side folding cover rod 19 to rotate around the hinge point under the control of the control device so as to collide inwards and fold and flatten the left side cover and the right side cover of the distribution box; a third magnetic inductor 56 is further arranged inside the cylinder body of the fourth cylinder 17, a piston rod of the fourth cylinder 17 is provided with a third magnetic ring 57, when the second folding arm 18 drives the side folding rod 19 to fold the left side cover and the right side cover of the distribution box inwards, the third magnetic ring 57 moves to a position which can be sensed by the third magnetic inductor 56 along with the piston rod, and at the moment, the third magnetic inductor 56 sends a control signal to the control device to control the operation of the conveying device.

In this embodiment, as shown in fig. 1 and fig. 2, the structure of the lifting device is specifically as follows: the left side and the right side of the rack 1 are respectively provided with a first guide rod 20, and the mounting rack 2 is sleeved on the first guide rods 20 and can move up and down along the first guide rods 20; the top parts of the left side and the right side of the rack 1 are respectively provided with a first rotating shaft 21, each first rotating shaft 21 is respectively provided with a first chain wheel 22 and a second chain wheel 23, and the first chain wheel 22 is provided with a first transmission chain 24; a second rotating shaft 25 is respectively arranged in the middle of the left side and the right side of the rack 1, a third chain wheel 26 is arranged on each second rotating shaft 25, a second transmission chain 27 which is vertically arranged is arranged on each third chain wheel 26 and the second chain wheel 23 on the same side of the third chain wheel 26, and the chain body of each second transmission chain 27 is fixedly connected with the mounting rack 2; a first driving motor 28 controlled by a control device to operate is installed at the top of the frame 1, a first driving sprocket 29 is arranged on an output shaft of the first driving motor 28, and the first driving sprocket 29 is meshed with the first transmission chain 24; under the driving of the first driving motor 28, the first driving sprocket 29 drives the first transmission chain 24 to move, and the second transmission chain 27 moves along with the first transmission chain 24, so that the mounting frame 2 moves up and down along with the movement of the second transmission chain 27.

In the present embodiment, as shown in fig. 1, 2, and 4, the conveying device has a structure in which: a plurality of conveying rollers 30 are arranged at the bottom of the frame 1 at intervals, a fourth chain wheel 31 is fixedly arranged at each of the left end and the right end of each conveying roller 30, a fifth chain wheel 32 is arranged at one end of one conveying roller 30, and third transmission chains 33 are arranged on all the fourth chain wheels 31; a second driving motor 34 and a third rotating shaft 35 controlled by a control device to operate are arranged on the frame 1 below the conveying roller 30, and a sixth chain wheel 36 and a seventh chain wheel 37 are arranged on the third rotating shaft 35 at intervals; a second driving sprocket 38 is arranged on the output shaft of the second driving motor 34, a fourth transmission chain 39 is arranged on the second driving sprocket 38 and the sixth sprocket 36, and a fifth transmission chain 40 is arranged on the seventh sprocket 37 and the fifth sprocket 32; under the driving of the second driving motor 34, the third rotating shaft 35 rotates along with the movement of the fourth transmission chain 39, and the fifth transmission chain 40 moves along with the rotation of the third rotating shaft 35 to drive the conveying roller 30 to rotate.

In the present embodiment, a position correcting mechanism for correcting the position of the dispensing box so that the dispensing box moves against the front flap device is provided at the bottom of the frame 1, and as shown in fig. 1, 2, and 7, the specific structure of the position correcting mechanism is: two supporting guide rails 43 are arranged on the machine frame 1 below the conveying roller 30, and the left push plate 41 and the right push plate 42 are positioned above the left side and the right side of the conveying roller 30, downwards pass through a gap between adjacent conveying rollers 30, are placed on the supporting guide rails 43 and can move left and right on the supporting guide rails 43; a fifth air cylinder 44 is arranged at the bottom of the frame 1, and the operation of the fifth air cylinder 44 is controlled by the control device; a fourth rotating shaft 45 is respectively arranged at the left side and the right side of the bottom of the rack 1, each fourth rotating shaft 45 is provided with an eighth chain wheel 46, two opposite eighth chain wheels 46 are provided with sixth transmission chains 47, a piston rod of a fifth air cylinder 44 is fixedly connected with a left push plate 41, the left push plate 41 is fixedly connected with the lower chain body of the sixth transmission chains 47, and a right push plate 42 is fixedly connected with the upper chain body of the sixth transmission chains 47; under the driving of the fifth cylinder 44, the left push plate 41 moves back and forth to drive the sixth transmission chain 47 to circularly reciprocate around the fourth rotating shaft 45, so as to synchronously drive the right push plate 42 to move; a fourth magnetic inductor 58 is arranged in the cylinder body of the fifth air cylinder 44, a fourth magnetic ring 59 is arranged on the piston rod of the fifth air cylinder 44, when the position of the distribution box is corrected to be opposite to the front cover folding device, the fourth magnetic ring 59 moves along with the piston rod to a position which can be sensed by the fourth magnetic inductor 58, and at the moment, the fourth magnetic inductor 58 sends a control signal to the control device to control the operation of the conveying device.

In the present embodiment, as shown in fig. 1, a second photoelectric sensing switch 50, a third photoelectric sensing switch 51 and a fourth photoelectric sensing switch 52 are respectively disposed at the bottom of the rack 1; and the arrangement positions of the second photoelectric sensing switch 50, the third photoelectric sensing switch 51 and the fourth photoelectric sensing switch 52 satisfy the following conditions: when the second photoelectric sensing switch 50 senses the front side plate of the distribution box in the process of forward conveying the distribution box, a control signal is sent to the control device to control the operation of the conveying device and the position correction mechanism; when the third photoelectric sensing switch 51 senses the front side plate of the distribution box, a control signal is sent to the control device to control the operation of the conveying device and the lifting device; when the second photoelectric sensing switch 50 senses the rear side plate of the distribution box, a control signal is sent to the control device to control the operation of the conveying device and the rear cover folding device; when the fourth photoelectric sensing switch 52 senses the front side plate of the distribution box, a control signal is sent to the control device to control the operation of the conveying device and the side folding cover device.

The utility model discloses a theory of operation is: placing the distribution box on a conveying roller 30, wherein the conveying roller 30 enables the distribution box to move forwards, when a second photoelectric sensing switch 50 senses a front side plate of the distribution box, a control signal is sent to a control device to stop the operation of the conveying device and start to drive a fifth air cylinder 44 in a position correcting mechanism, so that a left push plate 41 and a right push plate 42 simultaneously move towards left and right side plates of the distribution box to correct the position of the distribution box, the distribution box moves towards the front cover folding device, when the position of the distribution box is corrected to be opposite to the front cover folding device, a fourth magnetic ring 59 in the fifth air cylinder 44 just moves to a position which can be sensed by a fourth magnetic inductor 58 along with a piston rod, and at the moment, the fourth magnetic inductor 58 sends a control signal to the control device to restart the conveying device to continuously convey the distribution box forwards; when the third photoelectric sensing switch 51 senses the front side plate of the distribution box, a signal is transmitted to the control device, the second driving motor 34 in the conveying device stops operating, meanwhile, the first driving motor 28 in the lifting device receives the signal to start operating and drive the mounting frame 2 to move downwards, and when the first photoelectric sensing switch 60 detects the front cover of the distribution box which is not bent, the first photoelectric sensing switch 60 sends a control signal to the control device to control the cover opening device to operate so as to bend the front cover of the distribution box inwards; at this time, the mounting frame 2 continues to move downwards, when the second flap plate 15 is in contact with the front cover of the distribution box along with the downward movement of the mounting frame 2, the second flap plate 15 rotates upwards around the hinge point, and at the same time, the second flap plate 15 continues to move downwards until the front cover of the distribution box is folded inwards and leveled, at this time, the second magnetic ring 49 inside the pipe body 14 just moves to a position which can be sensed by the second magnetic inductor 48 along with the movement of the movable rod 53, and the second magnetic inductor 48 sends a control signal to the control device to restart the second driving motor 34 in the conveying device and stop the downward operation of the lifting device so as to prevent the second flap plate 15 from continuing to move downwards along with the mounting frame 2; then, the dispensing box continues to move forward, when the second photoelectric sensing switch 50 senses the rear side plate of the dispensing box, a signal is transmitted to the control device to stop the operation of the second driving motor 34 in the conveying device and drive the second air cylinder 10 and the third air cylinder 11 in the rear cover folding device, so that the first cover folding arm 9 approaches the rear cover of the dispensing box and the second cover folding plate 12 finishes the cover folding operation on the rear cover of the dispensing box, at this time, the first magnetic ring 55 in the third air cylinder 11 just moves to the position which can be sensed by the first magnetic sensor 54 along with the piston rod, and the first magnetic sensor 54 sends a control signal to the control device to restart the second driving motor 34 to further continue conveying the dispensing box; when the fourth photoelectric sensing switch 52 senses the front side plate of the distribution box, a signal is sent to the control device to stop the operation of the second driving motor 34 in the conveying device and drive the fourth air cylinder 17 in the side cover folding device, so that the second cover folding arm 18 rotates to drive the side cover folding rod 19 to fold inwards and flatten the left side cover and the right side cover of the distribution box, at the moment, the third magnetic ring 57 in the fourth air cylinder 17 just moves to the position which can be sensed by the third magnetic sensor 56 along with the piston rod, and the third magnetic sensor 56 sends a control signal to the control device to restart the second driving motor 34; finally, the distribution box with the finished cover folding operation is conveyed to the box sealing head 3 for tape packaging.

The utility model has the advantages that: in the process of carrying out the joint sealing to the delivery case, can reduce to the delivery case lid and damage and can high-efficient automatically with the delivery case lid along its crease line inwards bend and accomplish the joint sealing operation, improved work efficiency.

Claims

1. Roll over lid case sealer includes: the automatic box sealing machine comprises a rack (1), wherein a conveying device used for conveying distribution boxes is arranged at the bottom of the rack (1), a mounting rack (2) is arranged in the middle of the rack (1), a rear cover folding device used for inwards folding and flatly folding a rear cover of the distribution boxes is arranged at the rear part of the mounting rack (2), a front cover folding device used for inwards folding and flatly folding a front cover of the distribution boxes and side cover folding devices used for inwards folding and flatly folding left and right side covers of the distribution boxes are arranged in the middle of the mounting rack (2), a cover opening device used for inwards folding the front cover of the distribution boxes is further arranged in the middle of the mounting rack (2), a box sealing head (3) used for sealing the boxes with adhesive tapes is arranged at the front part of the mounting rack (2), and a control device and a lifting device used for driving the mounting rack (2) to move up and; the method is characterized in that: the structure of the cover opening device is as follows: a first cylinder (4) is arranged on the mounting frame (2), and a rack (5) is fixedly arranged on a piston rod of the first cylinder (4); a connecting shaft (6) is movably supported on the mounting frame (2), and collision rods (7) for colliding the front cover of the distribution box to enable the front cover of the distribution box to be bent inwards are fixedly arranged at two ends of the connecting shaft (6) respectively; a first gear (8) meshed with the rack (5) is fixedly sleeved on the shaft body of the connecting shaft (6); the first cylinder (4) is controlled by the control device to operate, the rack (5) is meshed and matched with the first gear (8) under the driving of the first cylinder (4) to drive the connecting shaft (6) to rotate, and then the collision rod (7) is driven to rotate along with the connecting shaft (6) to realize inward collision on the front cover of the distribution box.

2. The flap box sealer as claimed in claim 1, wherein: a first photoelectric sensing switch (60) is arranged at the bottom end of the middle part of the mounting rack (2), and the position arrangement of the first photoelectric sensing switch (60) meets the following conditions: in the process that the mounting frame (2) moves downwards, when the first photoelectric sensing switch (60) detects the distribution box front cover which is not bent yet, the first photoelectric sensing switch (60) sends a control signal to the control device to control the cover opening device to operate so as to enable the distribution box front cover to be bent inwards.

3. The flap-cover box sealing machine according to claim 1 or 2, characterized in that: the structure of the rear folding cover device comprises: a first cover folding arm (9) and a second air cylinder (10) are arranged at the rear end of the mounting frame (2), and the second air cylinder (10) is controlled by a control device to operate; the tail end of the first folding cover arm (9) is hinged to the mounting frame (2), a piston rod of the second air cylinder (10) is connected with the first folding cover arm (9), and the first folding cover arm (9) can rotate around a hinge point under the driving of the second air cylinder (10); a third cylinder (11) and a first folding cover plate (12) are hinged on the first folding cover arm (9), and the third cylinder (11) is controlled by a control device to operate; a piston rod of the third cylinder (11) is hinged with one end of a connecting rod (13), the other end of the connecting rod (13) is connected with the first folding cover plate (12), and the connecting rod (13) can drive the first folding cover plate (12) to rotate around a hinge point to fold the rear cover of the distribution box inwards and flatly under the driving of the third cylinder (11); a first magnetic inductor (54) is arranged in a cylinder body of a third cylinder (11), a first magnetic ring (55) is arranged on a piston rod of the third cylinder (11), when a first folding cover plate (12) is folded inwards to flatly fold a rear cover of a distribution box, the first magnetic ring (55) just moves to a position which can be sensed by the first magnetic inductor (54) along with the piston rod, and at the moment, the first magnetic inductor (54) sends a control signal to a control device to control the operation of the conveying device.

4. The flap-cover box sealing machine according to claim 1 or 2, characterized in that: the structure of the front folding cover device is as follows: a pipe body (14) with a cavity inside and a second folding plate (15) are hinged to the middle of the mounting frame (2), a movable rod (53) is arranged in the cavity inside the pipe body (14), the movable rod (53) can move in the cavity inside the pipe body (14), the movable rod (53) is hinged to one end of a connecting arm (16), and the other end of the connecting arm (16) is fixedly connected with the second folding plate (15); when in a free state, the second folding cover plate (15) is in a free inclined forward sagging state under the action of gravity; under the drive of the lifting device, the second folding plate (15) moves downwards along with the mounting rack (2), when the second folding plate (15) moves downwards to be in contact with the front cover of the distribution box, the second folding plate (15) rotates upwards around a hinge point and continues to move downwards until the front cover of the distribution box is folded inwards and leveled.

5. The flap box sealer as claimed in claim 4, wherein: a second magnetic ring (49) is arranged on the movable rod (53), and a second magnetic inductor (48) which can induce the second magnetic ring (49) and can send signals to the control device is arranged on the pipe wall of the pipe body (14); when the second cover folding plate (15) rotates to the horizontal position, the front cover of the distribution box is folded inwards and flattened, at the moment, the second magnetic ring (49) just moves to the position which can be sensed by the second magnetic inductor (48) along with the movement of the movable rod (53), and the second magnetic inductor (48) sends a control signal to the control device to control the operation of the conveying device and stop the downward movement of the lifting device so as to prevent the second cover folding plate (15) from continuously moving downwards along with the mounting frame (2).

6. The flap-cover box sealing machine according to claim 1 or 2, characterized in that: the structure of the side folding cover device comprises: a fourth cylinder (17) is respectively arranged on the left side and the right side of the upper end of the mounting frame (2), the fourth cylinder (17) is controlled by a control device to operate, a piston rod of each fourth cylinder (17) is hinged with a second cover folding arm (18), one end of each second cover folding arm (18) is hinged on the mounting frame (2), and the other end of each second cover folding arm (18) is fixedly provided with a side cover folding rod (19); under the drive of a fourth cylinder (17), a second cover folding arm (18) can drive a side cover folding rod (19) to rotate around a hinge point to inwards collide and fold and flatten the left side cover and the right side cover of the distribution box; the third magnetic inductor (56) is arranged inside the cylinder body of the fourth air cylinder (17), the piston rod of the fourth air cylinder (17) is provided with a third magnetic ring (57), when the second folding arm (18) drives the side folding cover rod (19) to fold the left side cover and the right side cover of the distribution box inwards, the third magnetic ring (57) just moves to a position which can be sensed by the third magnetic inductor (56) along with the piston rod, and at the moment, the third magnetic inductor (56) sends a control signal to the control device to control the operation of the conveying device.

7. The flap-cover box sealing machine according to claim 1 or 2, characterized in that: the structure of the lifting device comprises: the left side and the right side of the rack (1) are respectively provided with a first guide rod (20), and the mounting rack (2) is sleeved on the first guide rods (20) and can move up and down along the first guide rods (20); the top parts of the left side and the right side of the rack (1) are respectively provided with a first rotating shaft (21), each first rotating shaft (21) is respectively provided with a first chain wheel (22) and a second chain wheel (23), and the first chain wheel (22) is provided with a first transmission chain (24); a second rotating shaft (25) is respectively arranged in the middle of the left side and the right side of the rack (1), each second rotating shaft (25) is provided with a third chain wheel (26), each third chain wheel (26) and the second chain wheel (23) on the same side of the third chain wheel are provided with second transmission chains (27) which are vertically arranged, and the chain bodies of the second transmission chains (27) are fixedly connected with the mounting rack (2); a first driving motor (28) controlled by a control device to operate is installed at the top of the rack (1), a first driving chain wheel (29) is arranged on an output shaft of the first driving motor (28), and the first driving chain wheel (29) is meshed with the first transmission chain (24); under the drive of a first drive motor (28), a first driving chain wheel (29) drives a first transmission chain (24) to move, a second transmission chain (27) moves along with the first transmission chain (24), and then the mounting frame (2) moves up and down along with the movement of the second transmission chain (27).

8. The flap-cover box sealing machine according to claim 1 or 2, characterized in that: the structure of the conveying device comprises: a plurality of conveying rollers (30) are arranged at the bottom of the rack (1) at intervals, a fourth chain wheel (31) is fixedly arranged at the left end and the right end of each conveying roller (30), a fifth chain wheel (32) is arranged at one end of one conveying roller (30), and third transmission chains (33) are arranged on all the fourth chain wheels (31); a second driving motor (34) and a third rotating shaft (35) controlled by a control device to operate are arranged on the rack (1) below the conveying roller (30), and a sixth chain wheel (36) and a seventh chain wheel (37) are arranged on the third rotating shaft (35) at intervals; a second driving chain wheel (38) is arranged on an output shaft of the second driving motor (34), a fourth transmission chain (39) is arranged on the second driving chain wheel (38) and the sixth chain wheel (36), and a fifth transmission chain (40) is arranged on the seventh chain wheel (37) and the fifth chain wheel (32); under the drive of the second drive motor (34), the third rotating shaft (35) rotates along with the movement of the fourth transmission chain (39), and the fifth transmission chain (40) moves along with the rotation of the third rotating shaft (35) so as to drive the conveying roller (30) to rotate.

9. The flap box sealer as claimed in claim 8, wherein: the bottom of the frame (1) is provided with a position correcting mechanism for correcting the position of the distribution box so that the distribution box can move over against the front cover folding device, and the specific structure of the position correcting mechanism is as follows: two supporting guide rails (43) are arranged on the rack (1) below the conveying rollers (30), and a left push plate (41) and a right push plate (42) are positioned above the left side and the right side of the conveying rollers (30), downwards penetrate through gaps between adjacent conveying rollers (30), are placed on the supporting guide rails (43), and can move left and right on the supporting guide rails (43); a fifth cylinder (44) is arranged at the bottom of the frame (1), and the operation of the fifth cylinder (44) is controlled by a control device; the left side and the right side of the bottom of the rack (1) are respectively provided with a fourth rotating shaft (45), each fourth rotating shaft (45) is provided with an eighth chain wheel (46), two opposite eighth chain wheels (46) are provided with sixth transmission chains (47), a piston rod of a fifth air cylinder (44) is fixedly connected with a left push plate (41), the left push plate (41) is fixedly connected with the lower chain body of each sixth transmission chain (47), and the right push plate (42) is fixedly connected with the upper chain body of each sixth transmission chain (47); under the drive of a fifth cylinder (44), the left push plate (41) moves back and forth to drive a sixth transmission chain (47) to do reciprocating motion around a fourth rotating shaft (45), so that the right push plate (42) is driven to move synchronously; a fourth magnetic inductor (58) is arranged in the cylinder body of the fifth air cylinder (44), a piston rod of the fifth air cylinder (44) is provided with a fourth magnetic ring (59), when the position of the distribution box is corrected to be opposite to the front cover folding device, the fourth magnetic ring (59) moves to a position which can be sensed by the fourth magnetic inductor (58) along with the piston rod, and at the moment, the fourth magnetic inductor (58) sends a control signal to the control device to control the operation of the conveying device.

10. The flap box sealer as claimed in claim 9, wherein: a second photoelectric induction switch (50), a third photoelectric induction switch (51) and a fourth photoelectric induction switch (52) are respectively arranged at the bottom of the frame (1); and the arrangement positions of the second photoelectric sensing switch (50), the third photoelectric sensing switch (51) and the fourth photoelectric sensing switch (52) satisfy the following conditions: when the second photoelectric sensing switch (50) senses the front side plate of the distribution box in the forward conveying process of the distribution box, a control signal is sent to the control device to control the operation of the conveying device and the position correction mechanism; when the third photoelectric sensing switch (51) senses the front side plate of the distribution box, a control signal is sent to the control device to control the operation of the conveying device and the lifting device; when the second photoelectric sensing switch (50) senses the rear side plate of the distribution box, a control signal is sent to the control device to control the operation of the conveying device and the rear cover folding device; when the fourth photoelectric sensing switch (52) senses the front side plate of the distribution box, a control signal is sent to the control device to control the operation of the conveying device and the side folding cover device.