CN219903585U - Plastic bag sealing machine - Google Patents
Plastic bag sealing machine Download PDFInfo
- Publication number
- CN219903585U CN219903585U CN202320638997.8U CN202320638997U CN219903585U CN 219903585 U CN219903585 U CN 219903585U CN 202320638997 U CN202320638997 U CN 202320638997U CN 219903585 U CN219903585 U CN 219903585U
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- China
- Prior art keywords
- heating
- strip
- heating strip
- plastic film
- plastic bag
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- 239000004033 plastic Substances 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 title claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 115
- 239000002985 plastic film Substances 0.000 claims abstract description 38
- 229920006255 plastic film Polymers 0.000 claims abstract description 38
- 230000007704 transition Effects 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 239000012943 hotmelt Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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- Making Paper Articles (AREA)
Abstract
The utility model discloses a plastic bag sealing machine, which belongs to the technical field of plastic bag production, wherein a heating part of the sealing machine comprises a first heating strip and a second heating strip, the cross sections of the first heating strip and the second heating strip are in a right angle shape, the two heating strips can move relatively to be close, the right angle turning parts of the two heating strips are in arc transition, the outer side surface of the first heating strip is used for extending and tiling a plastic film strip in a right angle shape, the outer side of the first heating strip is also provided with a second heating strip which has the same shape and a heating function in parallel with the first heating strip, the second heating strip is connected with a tearing forming part, and when the second heating strip moves vertically downwards to extrude the plastic film strip positioned on the first heating strip, the tearing forming part evenly punches out a plurality of perforations from the plastic film strip at intervals along the width direction of the plastic film strip. The plastic bag sealing device is simple and compact in structure, can synchronously realize plastic sealing and tearing molding operation, and relatively improves the flatness of a plastic bag sealing area.
Description
Technical Field
The utility model relates to the technical field of plastic bag processing equipment, in particular to a plastic bag sealing machine.
Background
In the processing process of plastic bags, a long section of flattened plastic film belt subjected to blow molding is required to be cut and segmented and then sealed, so that the plastic bags with one end closed and the other end open can be directly torn off when in use, and the plastic bag finished products are widely used in supermarkets. For the production and manufacture of the plastic bag, at present, a plastic film belt serving as a semi-finished product is heated by adopting a pressing plate which is parallel up and down, so that a hot-melt seal is realized, and then a tearing opening of an easy-to-tear section is processed. Because the two procedures are separated, a reasonable hot-melt sealing part and a tearing processing part are required to be prepared, and the production line is relatively redundant and heavy.
In the existing production, the plastic film in the sealing area is generally horizontally arranged on a horizontal plane and then directly extruded, so that wrinkles are easily generated, the sealing area after hot melting is sometimes uneven, at least in some existing economic hot melting equipment, the problem is not existed in the equipment with high informatization and intelligence degree, but the equipment cost is not acceptable in the common plastic bag processing or common factories, and the flatness of the sealing area affects the beauty and the sealing firmness; although in practice the flatness requirements for the sealing area are not very high, improvements are still needed from the viewpoint of optimizing production.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a plastic bag sealing machine, which aims at solving the problems that in the prior art, the sealing and the tearing processing are asynchronous, the equipment is matched and is bulky, and the sealing area is easily uneven.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a plastic bag capper, includes heating element to and be used for carrying the plastic film area to heating element on the heating element and heat the conveying element who seals, heating element includes that the transversal first heating strip and the second heating strip of personally submitting the right angle form, and two heating strips can relative movement draw close, and the right angle corner circular arc transition of two heating strips supplies the outside surface of first heating strip the plastic film area is the right angle form and extends tiling, and the outside of first heating strip still is equipped with the second heating strip that the shape is the same with it parallelly, also has the heating function, the second heating strip is connected with a tear mouth shaping part, and when the plastic film area that the extrusion of second heating strip is located first heating strip is moved down, tear mouth shaping part evenly separates out a plurality of punching holes with the plastic film area along its width direction.
Further, a plurality of heating wires are arranged in the first heating strip and the second heating strip, and the arrangement path of the heating wires is a right-angle path.
Further, the first heating strip and the second heating strip emit heat outwards through the mode of injecting high-temperature steam.
Further, the tear forming component comprises a base connected with the free end of the horizontal section of the first heating strip, the base is abutted against the free end, and a plurality of die holes are arrayed in the base in a straight line path; the stamping part is fixedly connected with the second heating strip and is provided with a stamping longitudinal beam, a plurality of male dies are arranged on the stamping longitudinal beam along the length direction of the stamping longitudinal beam, and the male dies are in socket fit with the die holes in a one-to-one correspondence mode so as to punch out the perforations.
Further, the cross sections of the male die and the die hole are rectangular; the punching press longeron top is through crossbeam and one pressure handle rigid coupling, press the handle and can vertically remove, press the handle bottom to have the traveller, the traveller sliding fit inserts in the round platform on second heating strip surface, and the traveller is gone up to overlap and is located press the pressure-bearing spring between handle and the round platform, pressure-bearing spring must satisfy: when the second heating strip extrudes the plastic film strip on the surface of the first heating strip, the male die is just inserted into the die hole, and the perforation is processed by piercing the plastic film strip when the pressing handle is continuously pressed down.
Further, the conveying part comprises a first guide wheel and a second guide wheel, the first guide wheel is arranged near the base, the second guide wheel is arranged outside the bottom end of one side, far away from the base, of the second heating strip, and the plastic film strip is wound in from the upper part of the first guide wheel and is wound out from the lower part of the second guide wheel.
(III) beneficial effects
The utility model provides a plastic bag sealing machine. The beneficial effects are as follows:
1. the sealing process and the tearing processing process are synchronously performed, the efficiency is higher, the integration level is better, and the whole processing equipment is relatively more concise and practical.
2. Through the upper and lower clamp pressure heating of the right angle form heating strip of chamfer, can make the plastic film area because having experienced the steering extension tiling of a circular arc transition, play the effect of tightening to a certain extent, can realize laying on first heating strip surface stability, better with the contact of second heating strip to in the two extrusion process, the fold appears less, ensure the relative planarization after sealing the district hot melt.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of a seal area on a plastic film strip.
FIG. 3 is a schematic view of the path of perforations made by the tear profile component.
FIG. 4 is an enlarged view of a portion of a punch stringer provided with a punch;
FIG. 5 is a top view of the structure of FIG. 1 at the press handle;
fig. 6 is a schematic view of the plastic mold tape after continuous sealing.
In the figure: the heating device comprises a first heating strip 1, a second heating strip 2, a plastic film belt 3, an electric heating wire 4, a base 5, a die hole 6, a male die 7, a cross beam 8, a pressing handle 9, a pressure spring 10, a sliding column 11, a round table 12, a stamping longitudinal beam 13, a perforation 14, a sealing area 15, a first guide wheel 16 and a second guide wheel 17.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The structure shown in fig. 1 specifically depicts a plastic bag sealer, which, like a general sealer, generally includes a heating means and a conveying means for conveying a plastic film strip 3 onto the heating means to heat the seal, and the heating means is integrally movable so that the heating means is in place to heat when the plastic film strip 3 is conveyed in place. However, unlike the present sealing machine, the heating means comprises a first heating strip 1 and a second heating strip 2 with right-angle cross sections, which can move relatively and close, the general structure of the heating strips is similar to thickened angle steel, but the right-angle edges are rounded, for example, the right-angle corners of the first heating strip 1 are rounded and arc-shaped, so as to ensure that the outer side surface of the first heating strip 1 is provided with the plastic film strip 3 extending and laying in a right angle shape, the tightness is improved to a certain extent, after relaxation, the two heating strips lack enough contact with the surface of the first heating strip 1 before being close to each other and heated, and for the first heating strip 1, the outer side of the first heating strip 1 can be provided with a second heating strip 2 with the same shape and also with a heating function, the second heating strip 2 is connected with one tearing and forming means so as to move synchronously, and when the second heating strip 2 moves vertically downwards to squeeze the plastic film strip 3 on the first heating strip 1, the tearing and punching the plastic film strip 3 uniformly and punching holes 14 at intervals along the width direction. When the plastic film strip 3 is in place, the two heating strips are driven to be close to each other and heated, and the sealing is carried out by welding. For example, a plurality of heating wires 4 are arranged in the first heating strip 1 and the second heating strip 2, the arrangement path of the heating wires 4 is a right-angle path, so that the heating and hot melting can be timely realized, and the heating and hot melting device is particularly suitable for large plastic bags with thicker thickness. Of course, the sealing machine can also be applied to manual hot melting, and a section of plastic film with the length of two plastic bags is directly placed on the first heating strip 1, and the second heating strip 2 is moved downwards.
As implementation details, the first heating strip 1 and the second heating strip 2 can release heat outwards through injecting high-temperature steam, and the design needs that the two heating strips are far away as far as possible when the hot-melt plastic film strips 3 are not closed, so as to avoid heat influencing the plastic film in transmission.
With the above structure, with continued reference to fig. 1, the tear forming component includes a base 5 connected to a free end of the horizontal section of the first heating strip 1, the base 5 abuts against the free end, and a plurality of mold holes 6 are arrayed in a linear path in the base 5; the stamping part is fixedly connected with the second heating strip 2, the stamping part is provided with a stamping longitudinal beam 13, referring to fig. 4, the stamping longitudinal beam 13 is provided with a plurality of male dies 7 along the length direction thereof, and the male dies 7 are in socket fit with the die holes 6 in a one-to-one correspondence manner so as to punch out the perforations 14 as shown in fig. 2-3.
Specifically, in this embodiment, the cross sections of the male die 7 and the die hole 6 are rectangular, as shown in fig. 5, the top of the stamping longitudinal beam 13 is fixedly connected with a pressing handle 9 through a cross beam 8, the pressing handle 9 can move vertically, the bottom end of the pressing handle 9 is provided with a sliding column 11, the sliding column 11 is inserted into a round table 12 on the surface of the second heating strip 2 in a sliding fit manner, a pressure-bearing spring 10 located between the pressing handle 9 and the round table 12 is sleeved on the sliding column 11, the pressure-bearing spring 10 is a cylindrical spring, however, the length and stiffness coefficient of the pressure-bearing spring 10 must be satisfied, when the second heating strip 2 presses the plastic film strip 3 on the surface of the first heating strip 1, the male die 7 is just inserted into the die hole 6, and when the pressing handle 9 continues to press down, the plastic film strip 3 is pierced to process the through hole 14, so as to obtain a plastic bag finished product as shown in fig. 6, and the plastic bag is rolled for use.
As shown in fig. 1, the conveying component of the embodiment comprises a first guiding wheel 16 and a second guiding wheel 17, the first guiding wheel 16 is arranged near the base 5, the second guiding wheel 17 is arranged outside the bottom end of one side, far away from the base 5, of the second heating strip 2, the plastic film strip 3 is wound in from above the first guiding wheel 16 and is wound out from below the second guiding wheel 17, and therefore, in the continuous conveying process of the plastic film strip 3, the heating strip presses the hot melting and tear forming component to punch out a tear structure.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A plastic bag sealer comprising a heating means and a conveying means for conveying a plastic film strip (3) onto the heating means for heat sealing, characterized in that: the heating component comprises a first heating strip (1) and a second heating strip (2) which are in right-angle shapes in cross section, the two heating strips can relatively move to be close, the right-angle turning parts of the two heating strips are in arc transition, the outer side surface of the first heating strip (1) is provided with the plastic film strip (3) in a right-angle extending and tiling mode, the outer side of the first heating strip (1) is also provided with the second heating strip (2) which is the same in shape and has a heating function in parallel with the first heating strip, the second heating strip (2) is connected with a tearing forming component, and when the second heating strip (2) vertically moves downwards to extrude the plastic film strip (3) positioned on the first heating strip (1), the tearing forming component evenly punches out a plurality of perforations (14) from the plastic film strip (3) along the width direction of the plastic film strip at intervals.
2. The plastic bag sealer of claim 1 wherein: the heating device is characterized in that a plurality of heating wires (4) are arranged in the first heating strip (1) and the second heating strip (2), and the arrangement path of the heating wires (4) is a right-angle path.
3. The plastic bag sealer of claim 1 wherein: the first heating strip (1) and the second heating strip (2) are internally provided with heat release outwards in a mode of injecting high-temperature steam.
4. The plastic bag sealer of claim 1 wherein: the tearing forming part comprises a base (5) connected with the free end of the horizontal section of the first heating strip (1), the base (5) is abutted against the free end, and a plurality of die holes (6) are arrayed in the base (5) in a straight line path;
the stamping part is fixedly connected with the second heating strip (2), the stamping part is provided with a stamping longitudinal beam (13), a plurality of male dies (7) are arranged on the stamping longitudinal beam (13) along the length direction of the stamping longitudinal beam, and the male dies (7) are in socket fit with the die holes (6) in a one-to-one correspondence mode so as to punch out the perforations (14).
5. The plastic bag sealer as set forth in claim 4 wherein: the cross sections of the male die (7) and the die hole (6) are rectangular.
6. The plastic bag sealer as set forth in claim 4 wherein: stamping longeron (13) top is through crossbeam (8) and one press handle (9) rigid coupling, press handle (9) can vertical removal, press handle (9) bottom to have traveller (11), traveller (11) sliding fit inserts in round platform (12) on second heating strip (2) surface, and the cover has on traveller (11) to be located press pressure spring (10) between handle (9) and round platform (12), pressure spring (10) must satisfy: when the second heating strip (2) presses the plastic film strip (3) on the surface of the first heating strip (1), the male die (7) is just inserted into the die hole (6), and the perforation (14) is processed by penetrating the plastic film strip (3) when the pressing handle (9) is continuously pressed down.
7. The plastic bag sealer as set forth in claim 4 wherein: the conveying part comprises a first guide wheel (16) and a second guide wheel (17), the first guide wheel (16) is arranged near the base (5), the second guide wheel (17) is arranged outside the bottom end of one side, far away from the base (5), of the second heating strip (2), and the plastic film strip (3) is wound in from the upper side of the first guide wheel (16) and is wound out from the lower side of the second guide wheel (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320638997.8U CN219903585U (en) | 2023-03-28 | 2023-03-28 | Plastic bag sealing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320638997.8U CN219903585U (en) | 2023-03-28 | 2023-03-28 | Plastic bag sealing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219903585U true CN219903585U (en) | 2023-10-27 |
Family
ID=88467394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320638997.8U Active CN219903585U (en) | 2023-03-28 | 2023-03-28 | Plastic bag sealing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219903585U (en) |
-
2023
- 2023-03-28 CN CN202320638997.8U patent/CN219903585U/en active Active
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| GR01 | Patent grant |