CN114228256A - Sealing equipment for plastic packaging bag and processing method thereof - Google Patents

Sealing equipment for plastic packaging bag and processing method thereof Download PDF

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Publication number
CN114228256A
CN114228256A CN202111614505.3A CN202111614505A CN114228256A CN 114228256 A CN114228256 A CN 114228256A CN 202111614505 A CN202111614505 A CN 202111614505A CN 114228256 A CN114228256 A CN 114228256A
Authority
CN
China
Prior art keywords
sealing
film
roll
packaging bag
winding roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111614505.3A
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Chinese (zh)
Inventor
胡菲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Huangpin Yazhi Industrial Co ltd
Original Assignee
Shenzhen Huangpin Yazhi Industrial Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Huangpin Yazhi Industrial Co ltd filed Critical Shenzhen Huangpin Yazhi Industrial Co ltd
Priority to CN202111614505.3A priority Critical patent/CN114228256A/en
Publication of CN114228256A publication Critical patent/CN114228256A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/02—Feeding or positioning sheets, blanks or webs
    • B31B70/10—Feeding or positioning webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B70/16—Cutting webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B70/16—Cutting webs
    • B31B70/18—Cutting webs longitudinally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/644—Making seals parallel to the direction of movement, i.e. longitudinal sealing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/645—Making seals transversally to the direction of movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/002—Flexible containers made from webs by joining superimposed webs, e.g. with separate bottom webs

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  • Making Paper Articles (AREA)

Abstract

The invention provides a plastic packaging bag sealing device, which comprises a workbench, wherein the workbench is provided with: the winding roller assembly comprises an upper winding roller and a lower winding roller, an upper winding film and a lower winding film are respectively placed on the upper winding roller and the lower winding roller, and the winding roller assembly also comprises a guide part used for guiding the upper winding film and the lower winding film to be conveyed forwards after being attached; the sealing mechanism comprises an ultrasonic sealing part and a hot-pressing sealing part which are sequentially arranged along a film rolling conveying path, wherein the ultrasonic sealing part is used for sealing the bottom of the packaging bag, and the hot-pressing sealing part is used for sealing and fusing two side edges of the packaging bag; the bag making mode of the invention adopts a mode of combining ultrasonic sealing and hot-press sealing, firstly, the bottom edge of the packaging bag is sealed by ultrasonic waves, and then, the two side edges of the packaging bag are sealed and fused.

Description

Sealing equipment for plastic packaging bag and processing method thereof
Technical Field
The invention relates to the technical field of product packaging, in particular to sealing equipment for a plastic packaging bag.
Background
The game card packaging bag comprises three sealed edges and an opening, the three sealed edges of the game card packaging bag in the current market are mostly made in a heat sealing or ultrasonic sealing mode, the heat sealing mode is high in energy consumption, the boundary has folds, and the game card packaging bag is very hard in hand feeling; but the firmness of the ultrasonic sealing method is not enough.
Therefore, it is desirable to design a plastic packaging bag sealing apparatus to solve the above problems.
Disclosure of Invention
The invention provides sealing equipment for plastic packaging bags, which is used for solving the problems of high energy consumption, poor hand feeling or insufficient firmness in the mode of manufacturing game card packaging bags in the prior art.
In order to solve the above problems, the present invention provides the following technical solutions: plastics wrapping bag involution equipment, including the workstation, be provided with on the workstation:
the winding roller assembly comprises an upper winding roller and a lower winding roller, an upper winding film and a lower winding film are respectively placed on the upper winding roller and the lower winding roller, and the winding roller assembly also comprises a guide part used for guiding the upper winding film and the lower winding film to be conveyed forwards after being attached;
sealing mechanism, including ultrasonic sealing portion and the hot pressing sealing portion that sets gradually along rolling up membrane conveying path, ultrasonic sealing portion sets up at the side of rolling up membrane conveying path, hot pressing sealing portion is at the transversal arrangement of rolling up membrane conveying path, and ultrasonic sealing portion is used for the bottom involution to the wrapping bag, and hot pressing sealing portion is used for the both sides limit involution and the fusing to the wrapping bag.
Furthermore, the ultrasonic sealing part is provided with two parts which are symmetrically arranged with each other, a cutting mechanism is arranged between the ultrasonic sealing part and the hot-pressing sealing part, the cutting mechanism comprises a separation cutting knife arranged on the central line of the rolled film, and the separation cutting knife is used for dividing the rolled film into two parts.
Furthermore, the cutting mechanism also comprises side cutting knives arranged on two sides of the rolling film, and the side cutting knives are used for cutting the excess materials after the ultrasonic sealing.
Furthermore, the hot-pressing sealing part is connected with a stamping cylinder, and one stroke of the stamping cylinder completes one bag making.
Furthermore, a rolling wheel is arranged at a feeding port of the sealing mechanism and used for smoothing out the rolled film.
Further, a pressing mechanism is further arranged between the winding roller assembly and the sealing mechanism, and the pressing mechanism is used for flattening the winding film.
Further, the pressing mechanism is also provided with a heating component.
A processing method of plastic packaging bag sealing equipment,
the method comprises the following steps:
a: respectively placing an upper roll film and a lower roll film on an upper roll roller and a lower roll roller, pulling out the upper roll film and the lower roll film, overlapping the two roll films and then sending out the two roll films through a guide part;
b: the overlapped two layers of roll films pass through a sealing mechanism and an ultrasonic sealing part at first, and the ultrasonic sealing part seals the side direction of the overlapped roll films to form the bottom edge of the packaging bag;
c: the roll film which completes the bottom edge sealing passes through a hot-pressing sealing part, the hot-pressing sealing part seals and fuses the two layers of overlapped roll films in the transverse direction, and the fused edge is the side edge of the packaging bag.
Further, the ultrasonic sealing part simultaneously carries out ultrasonic sealing on two side edges of the roll film, and then the roll film is cut along the central line of the roll film, so that the bottom edges of the two packaging bags are formed.
Compared with the prior art, the invention has at least the following beneficial effects:
the bag making mode of the invention adopts a mode of combining ultrasonic sealing and hot-press sealing, firstly, the bottom edge of the packaging bag is sealed by ultrasonic waves, and then, the two side edges of the packaging bag are sealed and fused.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is a schematic view of a plastic bag.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention. It is to be understood that the drawings are provided solely for the purposes of reference and illustration and are not intended as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
It should be noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 4, the sealing apparatus for plastic packing bags includes a worktable on which:
the winding roller assembly 101 comprises an upper winding roller and a lower winding roller, wherein an upper winding film 102 and a lower winding film 103 are respectively placed on the upper winding roller and the lower winding roller, and the winding film in the embodiment is a plastic film; the film laminating machine further comprises a guide part 104, which is used for guiding the upper roll film 102 and the lower roll film 103 to be conveyed forwards after being laminated;
the sealing mechanism 201 includes an ultrasonic sealing portion 202 and a heat-pressure sealing portion 203 sequentially arranged along a roll film conveying path (as shown by an arrow in fig. 3), the ultrasonic sealing portion 202 is arranged at a side of the roll film conveying path, the heat-pressure sealing portion 203 is arranged transversely to the roll film conveying path, the ultrasonic sealing portion 202 is used for sealing a bottom side 602 of the packaging bag 601, and the heat-pressure sealing portion 203 is used for sealing and fusing two side edges 603 of the packaging bag 601.
In the working process, after the two laminated roll films pass through the ultrasonic sealing part 202, only the heat required by melting is generated in the thermoplastic sealing layer during ultrasonic sealing, so that the two roll films are melted and laminated to form the bottom edge 602 of the packaging bag 601; then the roll film passes through a hot-press sealing part 203, the hot-press sealing part 203 carries out hot-press sealing on the side edge of the roll film to form a side edge 603 of the packaging bag 601, and the manufacturing process of the packaging bag is finished; due to the adoption of the mode of combining ultrasonic sealing and hot-pressing sealing films, the manufactured plastic bag can meet the firmness and achieve the effect of smooth edge sealing and good hand feeling.
In a preferred embodiment, as shown in fig. 3, two ultrasonic sealing parts 202 are provided and are symmetrically arranged with each other, a cutting mechanism 301 is provided between the ultrasonic sealing part 202 and the thermal compression sealing part 203, the cutting mechanism 301 comprises a separating cutter 302 disposed at the center line of the roll film, and the separating cutter 302 is used for dividing the roll film into two parts. Two packaging bags can be manufactured simultaneously, and the processing efficiency is improved. Because the ultrasonic sealing portion 202 is disposed on both sides of the roll film, the roll film passes through the ultrasonic sealing portion 202 to form two bottom edges 602, and then the roll film is divided into two by the separating cutter, and the separated edges are the opening 604 of the packaging bag 601.
In addition, cutting mechanism 301 still includes the side cutting knife that sets up in roll membrane both sides, and the side cutting knife is used for cutting the clout after the ultrasonic wave involution, cuts the clout and guarantees the level and smooth of wrapping bag banding.
In this embodiment, the heat sealing portion 203 is connected to a punching cylinder, and one stroke of the punching cylinder completes one bag making. The punching cylinder drives the hot-pressing sealing part to move up and down, the rolling film is moved up to carry out next pressing after being pressed and melted, and the prepared packaging bag sequentially rolls forward under the drive of the guide part 104.
In order to improve the quality of the packaging bag manufacturing, in this embodiment, a rolling wheel 401 is disposed at the feeding port of the sealing mechanism 201, and the rolling wheel is tightly attached to the rolled film for smoothing the rolled film, so as to ensure the smoothness of the rolled film before pressing.
Further, a pressing mechanism 501 is further disposed between the roll assembly 101 and the sealing mechanism 201, and the pressing mechanism 501 is used for flattening the roll film. The rolling film with the edge curling inertia in the rolling roller is pressed and flattened, so that the manufacturing quality of the packaging bag is improved.
In addition, the pressing mechanism 501 is further provided with a heating component, and the effect of flattening the rolled film is improved by heating the pressing mechanism 501.
The invention also discloses a processing method of the sealing equipment of the plastic packaging bag,
the method comprises the following steps:
a: respectively placing an upper roll film 102 and a lower roll film 103 on an upper roll and a lower roll, pulling out the upper roll film and the lower roll film, overlapping the two roll films, and then sending out the two roll films through a guide part;
b: the overlapped two layers of roll films pass through a sealing mechanism 201 and first pass through an ultrasonic sealing part 202, and the ultrasonic sealing part 202 seals the side direction of the overlapped roll films to form a bottom edge 602 of the packaging bag 601;
c: the roll film with the sealed bottom edge passes through the hot-pressing sealing part 203, the hot-pressing sealing part 203 seals and fuses the two layers of overlapped roll films in the transverse direction, and the fused edge is the side edge 603 of the packaging bag 601.
Further, as shown in fig. 3, the ultrasonic sealing portion 203 performs ultrasonic sealing on two side edges of the roll film at the same time, and then cuts the roll film along the center line of the roll film by the separating cutter 302 to form the bottom edges of two packaging bags, the cut edge after the cutting by the separating cutter is the opening 604 of the packaging bag 601, and then the operation is performed according to step C, so as to complete the manufacturing process of the whole packaging bag.
Throughout the description and claims of this application, the words "comprise/comprises" and the words "have/includes" and variations of these are used to specify the presence of stated features, values, steps or components but do not preclude the presence or addition of one or more other features, values, steps, components or groups thereof.
Some features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, certain features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. The utility model provides a plastic packaging bag involution equipment, includes the workstation, its characterized in that is provided with on the workstation:
the winding roller assembly comprises an upper winding roller and a lower winding roller, an upper winding film and a lower winding film are respectively placed on the upper winding roller and the lower winding roller, and the winding roller assembly also comprises a guide part used for guiding the upper winding film and the lower winding film to be conveyed forwards after being attached;
sealing mechanism, including ultrasonic sealing portion and the hot pressing sealing portion that sets gradually along rolling up membrane conveying path, ultrasonic sealing portion sets up at the side of rolling up membrane conveying path, hot pressing sealing portion is at the transversal arrangement of rolling up membrane conveying path, and ultrasonic sealing portion is used for the bottom involution to the wrapping bag, and hot pressing sealing portion is used for the both sides limit involution and the fusing to the wrapping bag.
2. A plastic packaging bag sealing apparatus as defined in claim 1 wherein said ultrasonic sealing portion is provided in two and symmetrically disposed with respect to each other, and a cutting mechanism is provided between the ultrasonic sealing portion and the heat press sealing portion, said cutting mechanism including a separating cutter provided at a centerline of the roll film, the separating cutter being adapted to divide the roll film into two.
3. A plastic package sealing apparatus as defined in claim 2 wherein said cutting mechanism further comprises side cutters on both sides of the web for cutting the ultrasonically sealed residue.
4. A plastic package closure apparatus as in claim 1 wherein said heat seal section is connected to a ram cylinder, one stroke of which completes one bag.
5. The plastic package bag sealing apparatus of claim 4, wherein the feed port of the sealing mechanism is provided with rollers for smoothing out the film roll.
6. The plastic package closure apparatus of claim 5, wherein a pressing mechanism is disposed between the roll assembly and the closure mechanism for flattening the roll of film.
7. A plastic package closure apparatus as defined in claim 6 wherein said stitching mechanism is further provided with heating means.
8. A method of manufacturing a sealing apparatus for plastic bags according to any of claims 1 to 7, characterized in that:
the method comprises the following steps:
a: respectively placing an upper roll film and a lower roll film on an upper roll roller and a lower roll roller, pulling out the upper roll film and the lower roll film, overlapping the two roll films and then sending out the two roll films through a guide part;
b: the overlapped two layers of roll films pass through a sealing mechanism and an ultrasonic sealing part at first, and the ultrasonic sealing part seals the side direction of the overlapped roll films to form the bottom edge of the packaging bag;
c: the roll film which completes the bottom edge sealing passes through a hot-pressing sealing part, the hot-pressing sealing part seals and fuses the two layers of overlapped roll films in the transverse direction, and the fused edge is the side edge of the packaging bag.
9. The method of claim 8 wherein in step B the ultrasonic seal simultaneously ultrasonically seals the two side edges of the web and then cuts the web along its center line to form the bottom edges of the two packages.
CN202111614505.3A 2021-12-27 2021-12-27 Sealing equipment for plastic packaging bag and processing method thereof Pending CN114228256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111614505.3A CN114228256A (en) 2021-12-27 2021-12-27 Sealing equipment for plastic packaging bag and processing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111614505.3A CN114228256A (en) 2021-12-27 2021-12-27 Sealing equipment for plastic packaging bag and processing method thereof

Publications (1)

Publication Number Publication Date
CN114228256A true CN114228256A (en) 2022-03-25

Family

ID=80763493

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111614505.3A Pending CN114228256A (en) 2021-12-27 2021-12-27 Sealing equipment for plastic packaging bag and processing method thereof

Country Status (1)

Country Link
CN (1) CN114228256A (en)

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