CN114889886A

CN114889886A - Carton packaging process

Info

Publication number: CN114889886A
Application number: CN202210573404.4A
Authority: CN
Inventors: 李颐霖; 周传阜
Original assignee: Tianjin Oppein Integrated Home Co ltd
Current assignee: Tianjin Oppein Integrated Home Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-08-12

Abstract

The invention belongs to the technical field of goods packaging, and discloses a carton packaging process which mainly comprises the following steps: pre-packaging the carton; conveying the pre-packaged carton to a film laminating device for laminating a PE packaging film; conveying the coated paper box to a cutting and heat-sealing device to cut and heat-seal the PE packaging film coated outside the paper box; conveying the cut and heat-sealed carton to a transfer heating device and heating the carton to heat and shrink the PE packaging film; and conveying the heated carton to a blanking position. The carton packaging process provided by the invention can effectively ensure the packaging quality, improve the automation degree of the carton packaging process, reduce the labor consumption and improve the packaging efficiency.

Description

Carton packaging process

Technical Field

The invention relates to the technical field of goods packaging, in particular to a carton packaging process.

Background

In the prior art, for some light small-volume cartons, manual packaging and manual transportation are generally adopted, the packaging mode consumes manpower and material resources, the packaging effect of each carton in the same batch of goods is uneven under the influence of factors such as personal packaging operation and the like, the reliable and uniform packaging quality cannot be realized, in addition, the packaging mode is easy to generate error leakage and loss in the packaging and transportation process, and the packaging and transportation efficiency of the whole batch of goods is also influenced.

Disclosure of Invention

The invention aims to provide a carton packaging process which is high in automation degree, effectively improves packaging efficiency and reduces labor cost.

In order to achieve the purpose, the invention adopts the following technical scheme:

a carton packaging process mainly comprises the following steps:

s100, pre-packaging the carton;

s200, conveying the pre-packaged carton to a film laminating device and laminating a PE packaging film;

s300, conveying the coated paper boxes to a cutting and heat-sealing device to cut and heat-seal the PE packaging films coated outside the paper boxes;

s400, conveying the cut and heat-sealed carton to a transfer heating device and heating the carton to heat and shrink the PE packaging film;

s500, conveying the heated carton to a blanking position.

Optionally, in step S100, the pre-packaging of the carton mainly comprises the following steps:

s110, winding an adhesive tape on the side of the carton along the circumferential direction;

and S120, after the articles to be contained are placed in the paper box, the adhesive tape is used for being stuck to the opening of the paper box in a cross manner.

Optionally, in step S200, the film covering device includes:

a first conveyor belt for conveying the cartons;

the winding mechanism is wound with the PE packaging film;

the film input device is used for conveying the PE packaging film on the winding mechanism to the first conveying belt to cover the carton with the film.

Optionally, the film input device includes a film conveying roller, a film separating rod and a film supporting guide device, wherein the film conveying roller can convey the PE packaging film on the winding mechanism to the film supporting guide device, the film separating rod is arranged between the film conveying roller and the film supporting guide device, the film separating rod can unfold the PE packaging film in a folded state in the conveying process of the PE packaging film, and the film supporting guide device can guide the PE packaging film after unfolding so as to guide the transport direction of the PE packaging film to the running direction of the first conveying belt.

Optionally, prop membrane guider including last triangle direction fagging and lower triangle direction fagging, down triangle direction fagging set up in first conveyer belt top, go up triangle direction fagging interval set up in triangle direction fagging top down, work as the PE packaging film struts the back, the up end and the lower terminal surface of PE packaging film are respectively through go up triangle direction fagging with down the direction of operation of triangle direction fagging direction extremely the first conveyer belt.

Alternatively, in step S300, the cutting and heat-sealing device includes:

the second conveying belt is arranged opposite to the first conveying belt and can receive and convey the cartons conveyed by the first conveying belt;

the transverse sealing cutter is arranged between the first conveying belt and the second conveying belt and can cut the PE packaging film coated on the carton along the width direction of the second conveying belt;

the first heating device can heat the transverse sealing cutter so that the PE packaging films at two ends of a cut position can be heated and fused into a whole when the transverse sealing cutter cuts the PE packaging films;

the longitudinal sealing cutter is arranged on one side of the second conveying belt and can cut the PE packaging film coated on the carton along the extending direction of the second conveying belt;

and the second heating device can heat the longitudinal sealing cutter so that the PE packaging films at two ends of the cut position can be heated and fused into a whole when the longitudinal sealing cutter cuts the PE packaging films.

Optionally, the cutting and heat-sealing device further comprises a buffer pad, the buffer pad is disposed corresponding to the transverse sealing cutter, and the buffer pad is disposed to be retractable along the vertical direction.

Optionally, the cutting and heat-sealing device further includes a cutting control device and a sensor, the sensor is in communication connection with the cutting control device, the cutting control device is in communication connection with the transverse sealing cutter, when the carton on the second conveyor belt moves to a target position, the sensor can send a cutting signal to the cutting control device, and the cutting control device can control the transverse sealing cutter to cut the PE packaging film coated on the carton after receiving the cutting signal.

Optionally, in step S400, the transfer heating device includes:

a frame body;

the conveying part is arranged in the frame body, is opposite to the second conveying belt and can receive and convey the cartons conveyed by the second conveying belt;

and the heating device is arranged in the frame body and can heat the paper boxes on the conveying part so as to heat and shrink the PE packaging film coated outside the paper boxes.

Optionally, the number of the heating devices is set to be a plurality.

Has the advantages that:

the carton packaging process provided by the invention comprises the steps of firstly pre-packaging a carton, then conveying the carton to a film laminating device, and laminating a PE packaging film on the carton through the film laminating device; when the coated paper box is conveyed to a cutting and heat-sealing device, the cutting and heat-sealing device is used for cutting and heat-sealing the PE packaging film coated outside the paper box; after cutting and heat sealing are finished, conveying the carton to a running heating device to heat the carton, and further heating and shrinking the PE packaging film coated outside the carton to be tightly attached to the surface of the carton; after the heating is accomplished, carry the carton to unloading position again, and then accomplish whole packing and transportation process, do cutting heat-seal work and the automatic completion of transportation heating device through tectorial membrane device, cutting sealing device and respectively to the tectorial membrane work of carton, to the outer PE packaging film who covers of carton in the above-mentioned step, can effectively guarantee the packing quality, promote carton packaging process's degree of automation simultaneously, reduce the manpower consumption, promote packing efficiency.

Drawings

FIG. 1 is a schematic flow diagram of the carton packaging process of the present invention;

FIG. 2 is a schematic view of the assembly apparatus of the carton packaging process of the present invention;

FIG. 3 is a schematic structural diagram of a PE packaging film in a film covering device before passing through a film supporting and guiding device according to the present invention;

FIG. 4 is a schematic structural diagram of the PE packaging film in the film covering device after passing through the film supporting and guiding device;

FIG. 5 is a schematic illustration of the carton of the present invention after it has been pre-packaged;

FIG. 6 is a schematic view of the carton of the present invention being transported to a cross-sealing cutter;

FIG. 7 is a schematic view of the cutting of the PE packaging film at the front end of the carton by the transverse sealing cutter of the invention;

FIG. 8 is a schematic view of the cutting of the PE packaging film at the rear end of the carton by the transverse sealing cutter of the present invention;

FIG. 9 is a schematic view of the longitudinal sealing cutter of the present invention cutting the PE packaging film at the side end of the carton;

fig. 10 is a schematic view of the internal structure of the transfer heating apparatus of the present invention.

In the figure:

100. a film covering device; 110. a first conveyor belt; 120. a film conveying roller; 130. a membrane separating rod; 140. an upper triangular guide supporting plate; 150. a lower triangular guide supporting plate;

200. cutting the heat sealing device; 210. a second conveyor belt; 220. a transverse sealing cutter; 230. a longitudinal sealing cutter; 240. a cushion pad; 250. a spring;

300. transferring a heating device; 310. a frame body; 320. a conveying section; 321. a conveying roller; 330. a heat-up device;

400. a carton; 410. PE packaging film; 420. an adhesive tape;

500. an intermediate conveyor belt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The present embodiment provides a carton packaging process, which is shown in fig. 1 to 2, and mainly includes the following steps:

s100, pre-packaging the carton 400;

s200, conveying the pre-packaged carton 400 to a film laminating device 100 and laminating a PE packaging film 410;

s300, conveying the coated paper box 400 to a cutting and heat-sealing device 200 to cut and heat-seal a PE packaging film 410 coated outside the paper box 400;

s400, conveying the cut and heat-sealed carton 400 to a transfer heating device 300 and heating the carton 400 to enable the PE packaging film 410 to be heated and shrunk;

and S500, conveying the heated carton 400 to a blanking position.

In the present embodiment, in the whole process of the carton 400 packaging process, the carton 400 is firstly pre-packaged, then the carton 400 is conveyed to the film covering device 100, and the film covering operation of the PE packaging film 410 is performed on the carton 400 by the film covering device 100; when the carton 400 coated with the film is conveyed to the cutting and heat-sealing device 200, the cutting and heat-sealing device 200 is used for cutting and heat-sealing the PE packaging film 410 coated outside the carton 400; after the cutting and heat sealing are completed, the carton 400 is conveyed to the transfer heating device 300 to heat the carton 400, so that the PE packaging film 410 coated outside the carton 400 is further heated and shrunk to be attached to the surface of the carton 400; after the heating is completed, the carton 400 is conveyed to a blanking station, and the whole packaging and conveying process is completed. In the above-mentioned step, do cutting heat-seal work and heat shrink work respectively through tectorial membrane device 100, cutting sealing device 200 and transport heating device 300 and accomplish automatically to the tectorial membrane work of carton 400, the PE packaging film 410 of the outer cladding of carton 400, make the packaging process more standardized, can effectively guarantee the packaging quality, promote the degree of automation of carton 400 packaging process simultaneously, reduce the human consumption, promote packing efficiency.

In addition, in this embodiment, the packaging film material of carton 400 selects to be the PE material, and the PE material is environmental protection material, can not produce poisonous and harmful gas at the in-process that cuts, heat-seal and pyrocondensation to PE packaging film 410 to no pungent smell has overcome among the prior art the problem of the packaging film polluted environment that uses the nylon material.

Specifically, referring to fig. 2, the film covering device 100 and the cutting heat-sealing device 200 are preferably assembled to a set of complete machine equipment, and the film covering device 100 and the cutting heat-sealing device 200 are sequentially arranged along the transportation direction of the carton 400, so that the integration of the whole device is increased. Further, an intermediate conveyor 500 is preferably further disposed between the complete machine and the transfer heating device 300, and the intermediate conveyor 500 can stably and reliably convey the cut and heat-sealed carton 400 to the transfer heating device 300. The intermediate conveyor 500 is preferably controlled by a driving motor, and the control principle and the specific process thereof are all in the prior art, and are not described in detail herein.

In this embodiment, in step S100, the pre-packaging of the carton 400 mainly includes the following steps:

s110, winding an adhesive tape 420 on the side of the carton 400 along the circumferential direction;

and S120, placing the object to be contained in the carton 400, and then using the adhesive tape 420 to be attached to the opening of the carton 400 in a crossed manner.

Specifically, referring to fig. 5, the adhesive tape 420 is completely wrapped around the sides of the carton 400 in order to ensure that the sides of the carton 400 are compact and to avoid loose deformation of the sides of the carton 400. After the adhesive tape 420 is wound on the side of the carton 400, the article to be accommodated is placed in the carton 400, then two opposite paper boards at the opening of the carton 400 are closed to close the opening, and then the adhesive tape 420 is used for being cross-adhered to the opening of the carton 400, so that the two paper boards at the opening of the carton 400 are effectively adhered and fixed, and paper sheets at the opening of the carton in the subsequent steps are prevented from being outwards bulged and opened to influence the packaging quality and effect. In addition, the cross-shaped pasting method is adopted, so that two paper boards at the opening of the carton 400 can be reliably pasted and fixed, and the excessive use of the adhesive tape 420 is avoided.

In this embodiment, referring to fig. 3 to 4, in step S200, the film covering device 100 includes a first conveyer 110, a take-up mechanism and a film feeding device (the take-up mechanism is not shown), wherein the first conveyer 110 is used for conveying the carton 400, the PE packaging film 410 is taken up on the take-up mechanism, and the film feeding device is used for conveying the PE packaging film 410 on the take-up mechanism onto the first conveyer 110 to cover the carton 400. When the PE packaging film 410 needs to be transported onto the first conveyor 110, the operator pulls the rolled PE packaging film 410 out of the winding mechanism, feeds the end of the PE packaging film 410 into the film feeding device, and transports the PE packaging film 410 onto the first conveyor 110 under the transport of the film feeding device, thereby enabling the film covering operation of the carton 400 transported on the first conveyor 110.

Further, the film input device includes a film conveying roller 120, a film separating rod 130 and a film supporting guide device, wherein the film conveying roller 120 can convey the PE packaging film 410 on the furling mechanism to the film supporting guide device, the film separating rod 130 is disposed between the film conveying roller 120 and the film supporting guide device, the film separating rod 130 can unfold the PE packaging film 410 in a folded state in the conveying process of the PE packaging film 410, and the film supporting guide device can guide the unfolded PE packaging film 410 so as to guide the transportation direction of the PE packaging film 410 to the running direction of the first conveying belt 110. Specifically, the PE packaging film 410 rolled up by the rolling mechanism is in a folded state, and when the paper box 400 is coated with the film, the folded PE packaging film 410 needs to be stretched to a C shape adapted to the outer shape of the paper box 400, so that the paper box 400 can be coated in the C-shaped PE packaging film 410, thereby completing the film coating operation on the paper box 400. Specifically, when the PE packaging film 410 is to be conveyed to the first conveyor belt 110, the end of the PE packaging film 410 is sent to the film conveying roller 120 by the relevant operator, the film conveying roller 120 rotates to convey the PE packaging film 410 in the direction of the film expanding guide device, in the process, the film separating rod 130 is arranged to expand the PE packaging film 410 in the folded state, and then the expanded PE packaging film 410 can keep the PE packaging film 410 in the C-shaped expanded state under the action of the film expanding guide device and change the conveying direction of the PE packaging film 410 to the direction consistent with the running direction of the first conveyor belt 110, so that the PE packaging film 410 is conveyed to the first conveyor belt 110 in the expanded state.

Further, as shown in fig. 3 to 4, the film supporting guiding device includes an upper triangular guiding supporting plate 140 and a lower triangular guiding supporting plate 150, the lower triangular guiding supporting plate 150 is disposed above the first conveying belt 110, the upper triangular guiding supporting plate 140 is disposed above the lower triangular guiding supporting plate 150 at intervals, and after the PE packaging film 410 is spread, the upper end surface and the lower end surface of the PE packaging film 410 are guided to the running direction of the first conveying belt 110 by the upper triangular guiding supporting plate 140 and the lower triangular guiding supporting plate 150, respectively. Specifically, after the film separating rod 130 opens the PE packaging film 410 in a folded state, under the driving of the film conveying roller 120, as shown in fig. 3, the PE packaging film 410 is conveyed along the direction of the end thereof being fed into the film conveying roller 120, and then the relevant operator pulls the upper and lower end faces of the PE packaging film 410, so that the upper end face of the PE packaging film 410 can be attached to the upper end face of the upper triangular guide supporting plate 140, and the lower end face of the PE packaging film 410 can be attached to the lower end face of the lower triangular guide supporting plate 150, i.e. the PE packaging film 410 is successfully opened into a C shape under the action of the upper triangular guide supporting plate 140 and the lower triangular guide supporting plate 150, and then the relevant operator adds a force along the direction of the first conveying belt 110 to the PE packaging film 410 in a C-shaped opened state, so that the upper end face and the lower end face of the PE packaging film 410 can be respectively folded over relative to the upper triangular guide supporting plate 140 and the lower triangular guide supporting plate 150, the folded PE packaging film 410 is shown in fig. 4, so that the PE packaging film 410 can maintain a C-shaped unfolded structure, and the transportation direction of the PE packaging film 410 can be changed to a direction consistent with the running direction of the first conveyor 110.

Preferably, the upper and lower triangular

guide support plates

140 and 150 are preferably provided as right triangles having two right-angled sides, one of which is disposed corresponding to the film conveying roller 120 and the other of which is disposed corresponding to the first conveying belt 110, and the inclined sides of which form an angle of 45 ° with the two right-angled sides.

After the PE packaging film 410 is conveyed along the running direction of the first conveyor 110, the carton 400 can move into the C-shaped PE packaging film 410 when being transported on the first conveyor 110, that is, the carton 400 can be wrapped in the C-shaped PE packaging film 410, thereby completing the film covering operation of the carton 400.

Optionally, the film covering device 100 further includes a hole pricking mechanism (not shown) located between the winding mechanism and the film conveying roller 120, and the hole pricking mechanism is capable of pricking the PE packaging film 410 drawn out from the winding mechanism so that the PE packaging film 410 has good air permeability. Further, the film separating rod 130 is provided as an electrostatic rod, and thus the static electricity remaining on the PE packaging film 410 can be effectively removed on the basis that the film separating rod 130 can spread the PE packaging film 410 in a folded state.

In the present embodiment, the operation of the first conveyor 110 and the rotation of the film conveying roller 120 are controlled by the driving motor, and the control principle and the specific process thereof are the prior art and will not be described herein.

In this embodiment, referring to fig. 6 to 9, in step S300, the cutting and heat-sealing device 200 includes a second conveyor belt 210, a transverse sealing cutter 220, a first heating device, a longitudinal sealing cutter 230, and a second heating device (not shown), wherein the second conveyor belt 210 is disposed opposite to the first conveyor belt 110, the second conveyor belt 210 can receive and transport the carton 400 conveyed by the first conveyor belt 110, the transverse sealing cutter 220 is disposed between the first conveyor belt 110 and the second conveyor belt 210, the transverse sealing cutter 220 can cut the PE packaging film 410 wrapped on the carton 400 along the width direction of the second conveyor belt 210, the first heating device can heat the transverse sealing cutter 220, so that the PE packaging films 410 at two ends of the cut position of the transverse sealing cutter 220 can be heated and fused together when the transverse sealing cutter 220 cuts the PE packaging film 410, the longitudinal sealing cutter 230 is disposed at one side of the second conveyor belt 210, the longitudinal sealing cutter 230 can cut the PE packaging film 410 wrapped on the carton 400 along the extending direction of the second conveyor belt 210, and the second heating device can heat the longitudinal sealing cutter 230, so that the PE packaging films 410 at the two ends of the cut position can be heated and fused together when the longitudinal sealing cutter 230 cuts the PE packaging film 410.

In the present embodiment, the cutting and heat-sealing operations of the PE packaging film 410 wrapped around the carton 400 are mainly performed by the transverse sealing cutter 220 and the longitudinal sealing cutter 230. Specifically, the cutting and heat-sealing device 200 further includes a cutting control device and a sensor (the cutting control device and the sensor are not shown in the figure), the sensor is in communication connection with the cutting control device, the cutting control device is in communication connection with the cross-sealing cutter 220, when the carton 400 on the second conveyor 210 moves to a target position, the sensor can send a cutting signal to the cutting control device, and the cutting control device can control the cross-sealing cutter 220 to cut the PE packaging film 410 coated on the carton 400 after receiving the cutting signal. Specifically, the sensor can detect whether the carton 400 is moved to a target position, which is a cutting position of the cross sealing cutter 220. When the carton 400 moves to a target position under the driving of the first conveyor 110, the sensor can detect the carton 400 and send a cutting signal to the cutting control device, and the cutting control device can control the transverse sealing cutter 220 to move downwards and cut the redundant PE packaging film 410 on the carton 400 after receiving the cutting signal. When violently sealing cutter 220 and cutting PE packaging film 410, first heating device can heat violently sealing cutter 220, and the sword can be heated and combine together when making the PE packaging film 410 of cladding in carton 400 one side contact in the both ends of incision position under violently sealing cutter 220 to accomplish cutting and heat-seal work smoothly.

In this embodiment, the cutting control device may be a servo module or other lifting device; the first heating device may be a heating resistor, or may be another heating device, which is not limited herein. The position detection of the carton 400 by the sensor and the control process of the cutting control device are all the prior art, and are not described in detail herein.

Referring to fig. 7 to 8, the first conveyor 110 and the second conveyor 210 are arranged in parallel, and when the front end of the carton 400 moves to the cutting position, the transverse sealing cutter 220 cuts off the excess PE packaging film 410 at the front end of the carton 400, and heat-seals the PE packaging film 410 at the front end cutting position of the carton 400; when the rear end of the carton 400 is moved to the cutting position, the transverse sealing cutter 220 cuts off the excess PE packaging film 410 at the rear end portion of the carton 400, and heat seals the PE packaging film 410 at the rear end cutting position of the carton 400.

Further, the cutting and heat-sealing device 200 further includes a buffer 240, the buffer 240 is disposed corresponding to the transverse sealing knife 220, and the buffer 240 is disposed to be retractable in a vertical direction. Through setting up blotter 240, blotter 240 can reliably cushion violently sealing cutter 220 behind the lower sword, avoids violently sealing cutter 220 excessively to descend to protect violently sealing cutter 220 better. Further, the spring 250 is connected with below the blotter 240, and the spring 250 can effectively absorb the momentum of the horizontal seal cutter 220 after the lower tool, further strengthens the cushioning effect, and after the momentum absorption is accomplished, the spring 250 can also drive the blotter 240 to reset under the effect of elastic force, further guarantees the practicality. Optionally, the buffer pad 240 is provided with a heat insulating layer, which is provided to prevent the high temperature cross sealing cutter 220 from damaging the buffer pad 240.

Further, the longitudinal sealing cutter 230 is disposed at a side corresponding to the C-shaped opening of the PE packaging film 410, after the transverse heat sealing work is completed on the PE packaging film 410 on the carton 400, the carton 400 is conveyed from the first conveyor 110 to the second conveyor 210 and is driven by the second conveyor 210 to move continuously, and when the carton 400 moves to a position corresponding to the longitudinal sealing cutter 230, as shown in fig. 9, the longitudinal sealing cutter 230 can cut an excess portion of the carton 400 covering the C-shaped opening of the PE packaging film 410 along the extending direction of the second conveyor 110. And when the longitudinal sealing cutter 230 cuts the PE packaging film 410, the second heating device can heat the longitudinal sealing cutter 230, so that the longitudinal sealing cutter 230 can heat the two ends of the PE packaging film 410 coated on one side of the carton 400 at the C-shaped opening position during cutting, and the lower end of the longitudinal sealing cutter 230 can be heated and integrated when the two ends of the cut are contacted, thereby smoothly completing the cutting and heat sealing work.

In this embodiment, the second heating device may be a heating resistor, or may be another heating device, which is not limited herein. The operation of the second conveyor 210 is preferably controlled by a driving motor, and the control principle and the specific process thereof are the prior art, and are not described herein in detail.

In this embodiment, referring to fig. 10, in step S400, the transferring and heating device 300 includes a frame 310, a conveying portion 320 and a heating device 330, wherein the conveying portion 320 is disposed in the frame 310, the conveying portion 320 is disposed opposite to the second conveyor 210, the conveying portion 320 can receive and transport the carton 400 conveyed by the second conveyor 210, the heating device 330 is disposed in the frame 310, and the heating device 330 can heat the carton 400 on the conveying portion 320, so that the PE packaging film 410 wrapped around the carton 400 is heated and shrunk. Specifically, the conveying part 320 is composed of a plurality of conveying rollers 321 linearly arranged, and each of the conveying rollers 321 is capable of rotating relative to the frame body 310. After the cutting and heat sealing of the PE packaging film 410 wrapped on the carton 400 are completed, the carton 400 is conveyed to the conveying part 320 by the second conveyor 210, specifically, the carton 400 is supported on the conveying rollers 321 and is further moved and transferred by the rotation of the conveying rollers 321. Further, through set up heat-drying device 330 on transporting heating device 300, when carton 400 was located the transport portion 320 of support body 310 on, heat-drying device 330 can heat support body 310 is inside to heat carton 400 in the support body 310, and then can make the PE packaging film 410 of cladding on carton 400 do further the shrink of being heated, make PE packaging film 410 laminate in carton 400 surface more closely, avoid PE packaging film 410 loose, further guarantee the packing quality of carton 400.

Further, the number of the heating devices 330 is provided with a plurality of, and the heating devices 330 are uniformly distributed on the inner wall of the frame body, thereby further ensuring the heating effect on the carton 400.

In this embodiment, the transferring and heating device 300 further includes a rotation driving device (not shown) disposed in the frame 310, and the rotation driving device can control the rotation of the conveying roller 321. The rotation driving device is preferably set as a driving motor, and the control principle and the specific process thereof are the prior art, and are not described in detail herein.

In step S500, after the carton 400 is heated, the carton is automatically conveyed to a blanking position (the conveyor belt is not marked in the figure) by the conveyor belt, so that manpower and material resources are effectively saved, and the automation degree of the transportation process is enhanced.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A carton packaging process is characterized by mainly comprising the following steps:

s100, pre-packaging the carton (400);

s200, conveying the pre-packaged carton (400) to a film laminating device (100) and laminating a PE packaging film (410);

s300, conveying the coated paper boxes (400) to a cutting and heat-sealing device (200) to cut and heat seal the PE packaging films (410) coated outside the paper boxes (400);

s400, conveying the cut and heat-sealed carton (400) to a transfer heating device (300) and heating the carton (400) to heat and shrink the PE packaging film (410);

s500, conveying the heated carton (400) to a blanking position.

2. Carton packaging process according to claim 1, characterized in that pre-packaging the carton (400) in step S100 mainly comprises the following steps:

s110, winding an adhesive tape (420) on the side of the carton (400) along the circumferential direction;

s120, after the articles to be contained are placed in the carton (400), the adhesive tape (420) is used for being stuck to the opening of the carton (400) in a cross manner.

3. Carton packaging process according to claim 1, characterized in that in step S200 said film covering device (100) comprises:

a first conveyor belt (110) for conveying the cartons (400);

the PE packaging film (410) is wound on the winding mechanism;

a film input device for conveying the PE packaging film (410) on the take-up mechanism onto the first conveyor belt (110) to film the carton (400).

4. A carton packaging process according to claim 3, wherein the film input device comprises a film conveying roller (120), a film separating rod (130) and a film supporting guide device, wherein the film conveying roller (120) can convey the PE packaging film (410) on the furling mechanism to the film supporting guide device, the film separating rod (130) is arranged between the film conveying roller (120) and the film supporting guide device, the film separating rod (130) can unfold the PE packaging film (410) in a folded state during the conveying process of the PE packaging film (410), and the film supporting guide device can guide the unfolded PE packaging film (410) to guide the conveying direction of the PE packaging film (410) to the running direction of the first conveying belt (110).

5. Carton packaging process according to claim 4, characterized in that the film supporting guide means comprises an upper triangular guide support plate (140) and a lower triangular guide support plate (150), the lower triangular guide support plate (150) is arranged above the first conveyor belt (110), the upper triangular guide support plate (140) is arranged above the lower triangular guide support plate (150) at intervals, and after the PE packaging film (410) is spread, the upper end surface and the lower end surface of the PE packaging film (410) are respectively guided to the running direction of the first conveyor belt (110) through the upper triangular guide support plate (140) and the lower triangular guide support plate (150).

6. The carton packaging process according to claim 3, characterized in that in step S300, said cutting and heat-sealing device (200) comprises:

a second conveyor belt (210), the second conveyor belt (210) being disposed directly opposite the first conveyor belt (110), the second conveyor belt (210) being capable of receiving and transporting the cartons (400) conveyed by the first conveyor belt (110);

a cross sealing cutter (220) disposed between the first conveyor belt (110) and the second conveyor belt (210), wherein the cross sealing cutter (220) can cut the PE packaging film (410) wrapped on the carton (400) along the width direction of the second conveyor belt (210);

the first heating device can heat the transverse sealing cutter (220) so that the PE packaging films (410) at two ends of a cut position can be heated and fused into a whole when the transverse sealing cutter (220) cuts the PE packaging films (410);

a longitudinal sealing cutter (230) arranged at one side of the second conveyor belt (210), wherein the longitudinal sealing cutter (230) can cut the PE packaging film (410) wrapped on the carton (400) along the extending direction of the second conveyor belt (210);

the second heating device can heat the longitudinal sealing cutter (230) so that the PE packaging films (410) at two ends of the cut position of the longitudinal sealing cutter (230) can be heated and fused into a whole when the PE packaging films (410) are cut.

7. The carton packaging process according to claim 6, characterized in that the cutting and heat sealing device (200) further comprises a bumper (240), the bumper (240) is disposed corresponding to the cross sealing cutter (220), and the bumper (240) is disposed telescopically in a vertical direction.

8. The carton packaging process according to claim 6, wherein the cutting and heat-sealing device (200) further comprises a cutting control device and a sensor, the sensor is connected with the cutting control device in a communication manner, the cutting control device is connected with the cross-sealing cutter (220) in a communication manner, when the carton (400) on the second conveyor belt (210) runs to a target position, the sensor can send a cutting signal to the cutting control device, and the cutting control device can control the cross-sealing cutter (220) to cut the PE packaging film (410) coated on the carton (400) after receiving the cutting signal.

9. Carton packaging process according to claim 6, characterized in that in step S400 said transfer heating device (300) comprises:

a frame body (310);

the conveying part (320) is arranged in the frame body (310), the conveying part (320) is arranged opposite to the second conveyor belt (210), and the conveying part (320) can receive and convey the cartons (400) conveyed by the second conveyor belt (210);

the heating device (330) is arranged in the shelf body (310), and the heating device (330) can heat the paper boxes (400) on the conveying part (320) so as to enable the PE packaging films (410) coated outside the paper boxes (400) to be heated and shrunk.

10. Carton packaging process according to claim 9, characterized in that said heating means (330) are provided in a plurality.