CN118061596A - Heat sealing device, heat sealing method and bag making machine - Google Patents
Heat sealing device, heat sealing method and bag making machine Download PDFInfo
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- CN118061596A CN118061596A CN202410460859.4A CN202410460859A CN118061596A CN 118061596 A CN118061596 A CN 118061596A CN 202410460859 A CN202410460859 A CN 202410460859A CN 118061596 A CN118061596 A CN 118061596A
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- 238000007789 sealing Methods 0.000 title claims abstract description 181
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 64
- 230000037303 wrinkles Effects 0.000 claims abstract description 39
- 230000000694 effects Effects 0.000 claims abstract description 19
- 230000009471 action Effects 0.000 claims description 17
- 238000004140 cleaning Methods 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 8
- 230000010354 integration Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 238000009499 grossing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention relates to the technical field of heat sealing and bag making machines, and discloses a heat sealing device and a heat sealing method and a bag making machine, wherein the heat sealing device comprises a heat sealing mechanism and a heat sealing matching mechanism, the heat sealing mechanism comprises a frame driving assembly, a heat sealing cutter driving assembly and a wrinkle removing and anti-sticking assembly, anti-sticking rollers are arranged on two sides of the heat sealing cutter assembly, the anti-sticking cutter effect and the wrinkle removing effect are concentrated on one structure, the integration level of the device is improved, in the heat sealing process, the anti-sticking rollers are firstly utilized to press and remove wrinkles of films, the anti-sticking rollers realize preliminary wrinkle removing of the films at the heat sealing positions in the process of mutually moving away, and simultaneously assist in removing wrinkles existing at the heat sealing positions with rotary effect, so that the heat sealing cutter assembly is separated from the films firstly after heat sealing, the adhesion of cutters is avoided under the effect of anti-sticking rollers, and the heat sealing effect of bag making is ensured.
Description
Technical Field
The invention relates to the technical field of heat sealing and bag making machines, in particular to a heat sealing device, a heat sealing method and a bag making machine.
Background
In the process of producing the express bags, the steps of folding, heat sealing, cutting and the like are generally included, in the heat sealing step, factors influencing the quality of finished plastic bags are more, the problems of wrinkling and sticking of a heat sealing knife are included in the plastic films, for the problem of wrinkling removal, a wrinkle removal device for a bag making machine is disclosed in the prior art, for example, in China patent CN218286946U, wherein a fixed smoothing block is used for performing wrinkling removal operation, but because the conveying of the plastic films is a longer path, the wrinkling can not occur again when the smoothing operation is performed only at a fixed position, the wrinkling removal effect of the smoothing block is more common, and the problem of sticking knife is solved, for example, a heat sealing mechanism disclosed in CN218286946U is used for adding an anti-sticking part between the heat sealing knife and the film, but for preventing the problem of sticking the knife, because the anti-sticking part is positioned between the heat sealing knife and the film, the heat transfer is influenced, the required time of heat sealing is increased, and the problem of influencing the heat sealing quality is also existed.
Disclosure of Invention
The invention aims to provide a heat sealing device, a heat sealing method and a bag making machine, which are used for solving the problems that a film is wrinkled during heat sealing and a cutter is stuck after heat sealing in the existing bag making production line.
The invention is realized by the following technical scheme.
The invention discloses a heat sealing device, which comprises a heat sealing mechanism and a heat sealing matching mechanism, wherein the heat sealing mechanism comprises a frame driving assembly, a heat sealing cutter driving assembly and a wrinkle removing and anti-sticking assembly, the heat sealing cutter driving assembly and the wrinkle removing and anti-sticking assembly are all connected with the frame driving assembly, the heat sealing cutter driving assembly is connected with the heat sealing cutter assembly, the wrinkle removing and anti-sticking assembly comprises rotating shafts arranged on two sides of the heat sealing cutter assembly, anti-sticking rollers and the wrinkle removing and anti-sticking driving assembly which are arranged on the rotating shafts, the wrinkle removing and anti-sticking driving assembly is used for driving the rotating shafts to rotate and move, when the heat sealing action is carried out, the anti-sticking rollers are contacted with a film before the heat sealing cutter assembly, the anti-sticking rollers on two sides are mutually far away from each other and simultaneously rotate in the direction of pulling the film to two sides of the heat sealing cutter assembly, and the heat sealing cutter assembly is separated from the film before the anti-sticking rollers.
Further, the wrinkle-removing anti-sticking driving assembly comprises a connecting rod mechanism, a sliding groove, a sliding block arranged in the sliding groove, a gear mechanism connected with a rotating shaft and a toothed plate matched with the gear mechanism, the rotating shaft is connected with the sliding block, the connecting rod mechanism is connected with the sliding block and the heat-sealing knife assembly, when the heat-sealing knife assembly is close to a film, anti-sticking rollers on two sides are far away from each other under the action of the connecting rod mechanism, and the gear mechanism and the toothed plate are matched to enable the anti-sticking rollers to rotate.
Further, an auxiliary sliding groove and an auxiliary sliding block are arranged on the sliding block, and the connecting rod mechanism is connected with the auxiliary sliding block, so that the effect of delaying movement of the anti-sticking roller is achieved when the heat sealing knife assembly leaves the film.
Further, the wrinkle-removing anti-sticking driving assembly comprises a rotary driving part and a translational driving part which are connected with the rotating shaft.
Further, the anti-sticking roller is provided with a cleaning part, and the anti-sticking roller enables the cleaning part to clean the heat sealing working face of the heat sealing knife assembly through rotation.
Further, a suction module is arranged on the outer side of the anti-sticking roller and used for sucking and removing impurities on the cleaning part.
Further, the heat sealing device further comprises two groups of following drives, the heat sealing mechanism and the heat sealing matching mechanism are respectively arranged on the following drives, and the following drives can enable the heat sealing mechanism and the heat sealing matching mechanism to synchronously move along with the film.
A heat sealing method based on the heat sealing device comprises the following steps:
S1: the anti-sticking roller is contacted with the film;
s2: the heat sealing knife assembly moves towards the film until the heat sealing knife assembly contacts the film, the anti-sticking rollers at the two sides move away from each other and rotate simultaneously before the heat sealing knife assembly contacts the film, and the rotating direction is the direction of pulling the film towards the two sides of the heat sealing knife assembly, so that the wrinkle of the film is removed;
S3: the heat-seal knife assembly and the heat-seal matching mechanism are matched with each other to carry out heat seal, and after the heat seal is finished, the heat-seal knife assembly and the anti-sticking roller are separated from the film in sequence, so that the anti-sticking knife effect is realized.
Further, when the heat sealing is carried out, the heat sealing mechanism and the heat sealing matching mechanism are accelerated to the same speed as the film, then the heat sealing action is carried out, after the heat sealing is completed and the heat sealing mechanism is separated from the film, the heat sealing mechanism returns to the initial position to carry out the next heat sealing action, and the non-stop heat sealing of the film is realized.
A bag making machine comprises the heat sealing device.
The invention has the beneficial effects that:
The anti-sticking rollers are arranged on two sides of the heat sealing knife assembly, the anti-sticking knife effect and the wrinkle removing effect are concentrated on one structure, the integration level of the device is improved, in the heat sealing process, the anti-sticking rollers are firstly used for pressing and removing wrinkles of the film at the heat sealing position in the process of mutually moving away, the anti-sticking rollers are used for realizing preliminary wrinkle removal of the film at the heat sealing position, meanwhile, the rotating effect is used for assisting, the wrinkles existing at the heat sealing position can be removed rapidly, stably and high-quality, the removal of larger wrinkles can be realized only by a short separation distance, the friction time with the film is shortened, the static electricity generation amount is reduced, the further improvement of the production beat can be assisted, the high efficiency is achieved, the rotating phenomenon can be avoided, the wrinkles can be dispersed to two sides by the separation matching rotating action, and the wrinkles are prevented from being piled up again, and the wrinkles are formed; after the heat sealing is finished, the heat sealing knife assembly is separated from the film firstly, and under the action of the anti-sticking roll pressure, the film and the heat sealing knife assembly are separated rapidly, so that the sticking of the knife is avoided, and the heat sealing effect of bag making is ensured.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view showing a heat sealing apparatus according to one embodiment;
FIG. 2 is a schematic view showing a heat sealing apparatus according to another embodiment;
FIG. 3 is a top view of the housing and shaft of FIG. 1;
FIG. 4 is a top view of the housing and shaft of FIG. 2;
FIG. 5 is a schematic view showing the structure of a heat sealing apparatus in a third embodiment;
FIG. 6 is a left side view of FIG. 5;
Fig. 7 is an operation state diagram of the heat sealing device of the first embodiment;
Fig. 8 is an operation state diagram of the heat sealing device according to the second embodiment.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 8.
A heat-sealing apparatus of the present invention,
Embodiment one: referring to fig. 1, the heat sealing mechanism 10 comprises a heat sealing mechanism 10 and a heat sealing matching mechanism 20, wherein the heat sealing mechanism 10 comprises a frame driving component 119, a heat sealing cutter component 104, a heat sealing cutter driving component 102 and a wrinkle removing and anti-sticking component, the heat sealing cutter component 104, the heat sealing cutter driving component 102 and the wrinkle removing and anti-sticking component are installed on a frame 101, the frame 101 is connected with the frame driving component 119, the heat sealing cutter driving component 102 is installed on the frame 101 and is connected with the heat sealing cutter component 104, the frame driving component 119 and the heat sealing cutter driving component 102 are generally air cylinders, other power sources capable of realizing feeding motion can be utilized to realize, the heat sealing cutter component 104 is installed on a cutter frame 103, the heat sealing matching mechanism 20 comprises a lower heat sealing cutter or a lower heat sealing base plate 202, and a matching driving 201 for feeding driving is also adopted by the matching driving 201, and a film feeding area is formed between the heat sealing matching mechanism 20 and the heat sealing mechanism 10.
The anti-wrinkling and anti-sticking assembly comprises a rotating shaft 108 arranged at two sides of the heat-sealing knife assembly 104, an anti-sticking roller 105 arranged on the rotating shaft 108 and an anti-wrinkling and anti-sticking driving assembly, wherein the anti-sticking roller 105 extends along the direction of the heat-sealing knife assembly 104, the surface of the anti-sticking roller 105 can be made of Teflon materials or other smooth materials with smaller friction force, the anti-wrinkling and anti-sticking driving assembly is used for rotating and moving the rotating shaft 108, and when the heat-sealing action is carried out, as shown in fig. 7, the anti-wrinkling and anti-sticking driving assembly sequentially passes through the following states: the A state is an initial state; in state B, the anti-sticking roller 105 is in contact with the film prior to the heat-seal knife assembly 104; in the process that the heat sealing knife assembly 104 approaches the film, the anti-sticking rollers 105 on two sides move away from each other and rotate simultaneously, the rotation direction is the direction of pulling the film to the two sides of the heat sealing knife assembly 104 (pulling only removes the wrinkles and does not elastically deform the film), namely, the film rotates relatively, the left side is clockwise, the right side is anticlockwise, thereby realizing preliminary wrinkle removal of the film at the heat sealing position in the process of moving away from each other, simultaneously assisting in removing the wrinkles existing at the heat sealing position in a rotating effect, and realizing removal of larger wrinkles by trowelling and rotating straightening modes with a short separation distance, thereby having the advantage of high efficiency, and the rotating can avoid rapid recovery of the wrinkles, the wrinkles can be dispersed to two sides by separating and matching with rotating action, and the wrinkles formed by stacking again can avoid the problem that the wrinkles existing at the pressing position can not be removed by the anti-sticking rollers 105 far away from each other; in the state C, the heat sealing knife assembly 104 and the heat sealing matching mechanism 20 heat-seal the film, and the anti-sticking roller 105 is preferably stopped at the moment; in the D state, the heat-seal knife assembly 104 is separated from the film after heat sealing is finished, and the film is rapidly separated from the heat-seal knife assembly 104 under the action of the pressure of the anti-sticking roller 105, so that knife sticking is avoided; in the E state, after the heat seal knife assembly 104 is separated from the film, the anti-sticking roller 105 is separated from the film, so that static electricity caused by continuous contact friction is avoided from being generated in a large amount. The transverse sealing action in the bag making process is realized through the steps.
The structure of the wrinkle-removing anti-sticking driving assembly can be two types of driving assemblies in the implementation, as shown in fig. 1-4.
Wherein fig. 1 and fig. 3 show a first embodiment: the anti-wrinkling and anti-sticking driving assembly comprises a connecting rod mechanism 109, a sliding chute 106, a sliding block 116 arranged in the sliding chute 106, a gear mechanism 112 connected with a rotating shaft 108 and a toothed plate 111 matched with the gear mechanism 112, wherein the rotating shaft 108 is connected with the sliding block 116 through a bearing, the sliding chute 106 is arranged on the frame 101, the connecting rod mechanism 109 is hinged with the sliding block 116 and the knife rest 103, when the heat-sealing knife assembly 104 is close to a film, anti-sticking rollers 105 on two sides are mutually far away under the action of the connecting rod mechanism 109, the gear mechanism 112 is matched with the toothed plate 111 to enable the anti-sticking rollers 105 to rotate, the number of gears of the gear mechanism 112 and the position relationship between the gears and the toothed plate 111 are set according to the required rotation direction and rotation speed, the simplest structure is shown in fig. 3, and one gear is meshed with the toothed plate 111 on the upper side of the heat-sealing knife assembly. Optionally, in order to avoid that when the heat sealing knife assembly leaves the film, the two side anti-sticking rollers 105 approach each other and rotate, so as to generate wrinkles, the sliding block 116 is provided with the auxiliary sliding groove 113 and the auxiliary sliding block 115, the link mechanism 109 is connected with the auxiliary sliding block 115, so that the effect of delaying movement of the anti-sticking rollers 105 when the heat sealing knife assembly 104 leaves the film is achieved, that is, when the auxiliary sliding block 115 moves to the inner end of the auxiliary sliding groove 113, the sliding block 116 can be driven to move, so that the two side anti-sticking rollers 105 approach each other, and before the auxiliary sliding block 115 moves to the inner end of the auxiliary sliding groove 113, the anti-sticking rollers 105 are separated from the film, the movement is achieved by controlling the matched movement of the frame driving assembly 119 and the heat sealing knife driving assembly 102, and the movement can be controlled by a PLC or a microprocessor as a control module; alternatively, a first spring 114 and a second spring 107 (the hardness relationship between the first spring 114 and the second spring 107 is adjusted according to the required movement effect) may be disposed in the auxiliary chute 113 and the chute 106, respectively, so as to achieve the effect of assisting return. The scheme has better cooperative mobility and general adjustability.
Fig. 2 and 4 show a second embodiment: the device comprises a rotary drive 117 and a translation drive 118 which are connected with the rotating shaft 108, wherein the rotary drive 117 is a motor and is used for driving the rotating shaft to rotate, and the translation drive 118 is an air cylinder and is used for driving the rotary drive 117 and/or the rotating shaft 108 to translate, so that the adjustability is better.
In the above two embodiments, the driving method may be selected according to the need, and other driving methods may be provided as long as the above-described operation steps of the present embodiment can be realized.
Embodiment two: on the basis of the first embodiment, as shown in fig. 8, a cleaning part 40 is disposed on the anti-adhesion roller 105, the cleaning part 40 is made of a material with a certain friction force on the surface, and the whole is made of an elastic material, such as a cloth covered with silica gel, the anti-adhesion roller 105 can rotate to enable the cleaning part 40 to clean the heat sealing working surface of the heat sealing knife assembly 104 when being reset near each other, and preferably, a suction module 50 is disposed on the outer side of the anti-adhesion roller 105 for sucking and removing impurities on the cleaning part 40.
Embodiment III: on the basis of the first or second embodiment, in this embodiment, the heat sealing device further includes two sets of following drives 30, the frame driving assembly 119 in the heat sealing mechanism 10 is mounted on the upper support 110, the matching drive 201 is mounted on the lower support 203, the upper support 110 and the lower support 203 are respectively mounted on the respective following drives 30, the following drives 30 are slide rails or belts arranged along the film conveying direction, and the following drives 30 can enable the heat sealing mechanism 10 and the heat sealing matching mechanism 20 to follow the film to synchronously move, so that non-stop heat sealing is realized, and bag making efficiency is improved.
Embodiment four: on the basis of the first embodiment, the second embodiment or the third embodiment, when the thicker double-layer film is heat sealed, the anti-sticking roller 105 has poorer wrinkle removing performance on the lower-layer film, in this embodiment, the heat sealing device further comprises an electrostatic generator, the electrostatic generator is connected with one or two anti-sticking rollers 105 or is arranged at the front station of the heat sealing device, when the anti-sticking roller 105 contacts with the film, the electrostatic generator works, static electricity is generated on the anti-sticking roller 105, adhesion of the upper-layer film and the lower-layer film is realized by using the static electricity, wrinkles of the upper-layer film and the lower-layer film are removed by the anti-sticking roller 105 conveniently, and the heat sealed film is removed by the subsequent static electricity removing module.
A heat sealing method based on the heat sealing device comprises the following steps:
S1: the anti-sticking roller 105 is in contact with the film;
S2: the heat sealing knife assembly 104 moves towards the film until the heat sealing knife assembly 104 contacts the film, and before the heat sealing knife assembly 104 contacts the film, the anti-sticking rollers 105 at the two sides move away from each other and rotate simultaneously, and the rotating direction is the direction for pulling the film towards the two sides of the heat sealing knife assembly 104, so that the wrinkle of the film is removed;
S3: the heat-seal knife assembly 104 and the heat-seal matching mechanism 20 are matched with each other to carry out heat seal, and after the heat seal is finished, the heat-seal knife assembly 104 and the anti-sticking roller 105 are separated from the film in sequence, so that the anti-sticking knife effect is realized.
Further, when the heat sealing is performed, the heat sealing mechanism 10 and the heat sealing matching mechanism 20 are accelerated to the same speed as the film, then the heat sealing action is performed, after the heat sealing is completed and the heat sealing is separated from the film, the heat sealing mechanism returns to the initial position to perform the next heat sealing action, and the non-stop heat sealing of the film is realized.
A bag making machine comprises the heat sealing device in any embodiment, a discharging device, a folding device, a cutting device and the like.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement it without limiting the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (10)
1. A heat sealing apparatus, characterized in that: including sealing mechanism (10) and heat-seal cooperation mechanism (20), sealing mechanism (10) include frame drive assembly (119), heat-seal knife tackle spare (104), heat-seal knife drive assembly (102) and go wrinkle antiseize subassembly all to be connected with frame drive assembly (119), heat-seal knife drive assembly (102) with heat-seal knife tackle spare (104) are connected, go wrinkle antiseize subassembly including setting up pivot (108) of heat-seal knife tackle spare (104) both sides, antiseize roller (105) and go wrinkle antiseize drive assembly that set up on pivot (108), go wrinkle antiseize drive assembly and be used for the drive pivot (108) are rotatory and remove, when carrying out the heat-seal action, antiseize roller (105) are kept away from each other to move with the film before heat-seal knife tackle spare (104), and tear film (104) both sides direction of orientation that is pulled to heat-seal knife tackle spare (104) both sides direction simultaneously, and tear film (105) and break away from film after completion of heat-seal knife tackle spare (104).
2. The heat seal apparatus as set forth in claim 1 wherein: the anti-wrinkling and anti-sticking driving assembly comprises a connecting rod mechanism (109), a sliding chute (106), a sliding block (116) arranged in the sliding chute (106), a gear mechanism (112) connected with a rotating shaft (108) and a toothed plate (111) matched with the gear mechanism (112), the rotating shaft (108) is connected with the sliding block (116), the connecting rod mechanism (109) is connected with the sliding block (116) and the heat sealing knife assembly (104), when the heat sealing knife assembly (104) is close to a film, anti-sticking rollers (105) on two sides are mutually far away under the action of the connecting rod mechanism (109), and the gear mechanism (112) is matched with the toothed plate (111) to enable the anti-sticking rollers (105) to rotate.
3. The heat seal apparatus as set forth in claim 2 wherein: the sliding block (116) is provided with a secondary sliding groove (113) and a secondary sliding block (115), and the connecting rod mechanism (109) is connected with the secondary sliding block (115) so as to realize the effect of delaying movement of the anti-sticking roller (105) when the heat sealing knife assembly (104) leaves the film.
4. The heat seal apparatus as set forth in claim 1 wherein: the wrinkle-removing anti-sticking driving assembly comprises a rotation driving part (117) and a translation driving part (118) which are connected with the rotating shaft (108).
5. The heat seal apparatus according to any one of claims 1 to 4, wherein: the anti-sticking roller (105) is provided with a cleaning part (40), and the anti-sticking roller (105) enables the cleaning part (40) to clean the heat sealing working surface of the heat sealing knife assembly (104) through rotation.
6. The heat seal apparatus as set forth in claim 5 wherein: the outside of the anti-sticking roller (105) is provided with a suction module (50) for sucking and removing impurities on the cleaning part (40).
7. The heat seal apparatus according to any one of claims 1 to 4, wherein: the heat sealing device further comprises two groups of following drives (30), the heat sealing mechanism (10) and the heat sealing matching mechanism (20) are respectively arranged on the following drives (30), and the following drives (30) can enable the heat sealing mechanism (10) and the heat sealing matching mechanism (20) to synchronously move along with the film.
8. A heat sealing method, based on the heat sealing device according to any one of claims 1 to 7, characterized in that: the method comprises the following steps:
S1: an anti-sticking roller (105) is contacted with the film;
S2: the heat sealing knife assembly (104) moves towards the film until the heat sealing knife assembly contacts the film, and before the heat sealing knife assembly (104) contacts the film, the anti-sticking rollers (105) on the two sides move away from each other and rotate simultaneously, and the rotating direction is the direction for pulling the film towards the two sides of the heat sealing knife assembly (104), so that the wrinkle of the film is removed;
S3: the heat sealing knife assembly (104) and the heat sealing matching mechanism (20) are matched with each other to carry out heat sealing, and after the heat sealing is finished, the heat sealing knife assembly (104) and the anti-sticking roller (105) are separated from the film in sequence, so that the anti-sticking knife effect is realized.
9. The heat sealing method according to claim 8, wherein: when the heat sealing is carried out, the heat sealing mechanism (10) and the heat sealing matching mechanism (20) are accelerated to the same speed as the film, then the heat sealing action is carried out, after the heat sealing is completed and the heat sealing is separated from the film, the heat sealing mechanism returns to the initial position to carry out the next heat sealing action, and the non-stop heat sealing of the film is realized.
10. A bag making machine, characterized in that: comprising a heat sealing device according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410460859.4A CN118061596A (en) | 2024-04-17 | 2024-04-17 | Heat sealing device, heat sealing method and bag making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410460859.4A CN118061596A (en) | 2024-04-17 | 2024-04-17 | Heat sealing device, heat sealing method and bag making machine |
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| CN118061596A true CN118061596A (en) | 2024-05-24 |
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| CN202410460859.4A Pending CN118061596A (en) | 2024-04-17 | 2024-04-17 | Heat sealing device, heat sealing method and bag making machine |
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| CN (1) | CN118061596A (en) |
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