CN219790720U - Heat sealing device for plastic packaging bag - Google Patents

Abstract

The utility model discloses a heat sealing device for a plastic packaging bag, which comprises a feeding structure, a heat sealing structure and a heat shrinkage structure, wherein the heat sealing structure comprises an operation table, the front side and the right side of the operation table are provided with L-shaped lower melting plates, the left rear side of the operation table is hinged with an L-shaped bracket, a hydraulic rod is hinged between the L-shaped bracket and the operation table through rotation of a rotating connecting piece, the L-shaped upper melting plates are fixedly connected onto the L-shaped bracket, and the heat shrinkage structure comprises an electric conveying mechanism.

Description

Heat sealing device for plastic packaging bag

Technical Field

The utility model belongs to the technical field of plastic bag heat sealing, and particularly relates to a heat sealing device for a plastic packaging bag.

Background

At present, the takeaway industry is vigorous in development, packing is required to be fast and tight in the rush period, multilayer winding preservative films are required to be carried out on takeaway in order to avoid takeaway leakage, packing speed is reduced, plastic garbage is increased, the heat sealing device of the existing plastic packaging bag is only suitable for assembly line processing or is too small and is only suitable for family low-efficiency heat sealing, and therefore the heat sealing device of the plastic packaging bag with high flexibility is needed to facilitate takeaway packing, takeaway packing and the like.

Disclosure of Invention

The heat sealing device for the plastic packaging bag is poor in flexibility, cannot meet the technical defects of packaging requirements of takeaway packaging, takeaway packaging and the like, and is used for achieving rapid and tight packaging, and reducing packaging plastic garbage of takeaway packaging, takeaway packaging and the like.

To achieve the above object, the present utility model proposes the following techniques: a heat sealing device for plastic packaging bags comprises a feeding structure, a heat sealing structure and a heat shrinkage structure.

The feeding structure comprises a plastic roller, the plastic roller is arranged on two U-shaped frames, the U-shaped frames are fixedly connected with a base, a first guide roller, a second guide roller and a third guide roller which are parallel to each other are arranged above the U-shaped frames, the plastic roller is mutually perpendicular to the first guide roller, the second guide roller is arranged on the right side of the first guide roller, the third guide roller is arranged above the first guide roller, a limiting ring is connected onto the first guide roller in a sliding manner, a threaded rod is arranged on the limiting ring, the threaded rod can enable the limiting ring to be fixed with the first guide roller, the second guide roller and the third guide roller are fixedly connected with the base through two supporting columns, and after the plastic packaging paper is folded, the plastic packaging paper passes through the lower portion of the second guide roller and then passes above the third guide roller.

The feeding structure left side is equipped with heat-seal structure, heat-seal structure includes the operation panel, the operation panel links to each other with the base is fixed through first landing leg, operation panel front side and right side are equipped with the L type and fuse the board down, be equipped with the sword groove in the middle of the L type melts the board down, the operation panel left rear side articulates there is L type support, it has a hydraulic stem to rotate the articulated through rotating the connecting piece between L type support and the operation panel, the last fixedly connected with L type of L type support melts the board, fixedly connected with cutting blade under the last melt board of L type, the last fixedly connected with handle of melt board is gone up to the L type, melt board and the last melt board of L type enclose into a rectangle down, melt board phase-match under the L type on the L type, cutting blade and sword groove phase-match.

The heat-seal structure left side is equipped with the pyrocondensation structure, the pyrocondensation structure includes electronic transport mechanism, fixedly connected with brace table under the electronic transport mechanism, the brace table passes through the second landing leg and links to each other with the base is fixed, both ends fixedly connected with transparent baffle around the brace table, fixedly connected with apron between two transparent baffles, apron top fixedly connected with air heater, the apron below is equipped with a plurality of thermal-spray heads, both ends fixedly connected with silica gel heat-insulating sheet about the apron.

Compared with the prior art, the comprehensive effects brought by the utility model comprise:

according to the utility model, through the structures such as the feeding structure, the L-shaped upper melting plate, the L-shaped lower melting plate, the hydraulic rod, the electric conveying mechanism, the hot air blower structure and the like, the quick sealing packaging suitable for take-out packaging, take-out packaging and the like is realized, and excessive packaging plastic garbage brought by a traditional packaging mode is reduced.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a feeding structure 1 according to the embodiment of the present utility model;

FIG. 3 is a schematic diagram of a front view of a feeding structure 1 according to the embodiment of the present utility model;

FIG. 4 is a schematic view of a heat seal structure 2 in the practice of the present utility model;

FIG. 5 is a schematic view of the structure of a part A in the implementation of the present utility model;

FIG. 6 is a schematic view of the heat seal structure 2 according to the embodiment of the present utility model;

FIG. 7 is a schematic view of the heat shrinkage structure 3 in the practice of the present utility model;

fig. 8 is a schematic view of the structure of the thermal nozzle 307 in the embodiment of the present utility model.

Legend description: the plastic feeding device comprises a feeding structure 1, a plastic winding roller 101, a U-shaped frame 102, a first guide roller 103, a second guide roller 104, a third guide roller 105, a limiting ring 106, a threaded rod 107, a heat sealing structure 2, an operation table 201, a first supporting leg 202, an L-shaped lower melting plate 203, a knife slot 2031, an L-shaped bracket 204, a rotating connecting piece 205, a hydraulic rod 206, an L-shaped upper melting plate 207, a cutting blade 2071, a handle 208, a heat shrinkage structure 3, an electric conveying mechanism 301, a supporting table 302, a second supporting leg 303, a transparent baffle 304, a cover plate 305, a hot air blower 306, a thermal spray nozzle 307, a silica gel heat insulation sheet 308 and a base 4.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto.

In this document, appearances of such terms as "front," "back," "left," "right," etc. in various places are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description and to simplify the description, rather than to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

As shown in fig. 1 to 8, a heat sealing device for plastic packaging bags comprises a feeding structure 1, a heat sealing structure 2 and a heat shrinking structure 3.

The feeding structure 1 comprises a plastic roller 101, the plastic roller 101 is arranged on two U-shaped frames 102, the U-shaped frames 102 are fixedly connected with a base 4, a first guide roller 103, a second guide roller 104 and a third guide roller 105 which are parallel to each other are arranged above the U-shaped frames 102, the plastic roller 101 is perpendicular to the first guide roller 103, the second guide roller 104 is arranged on the right side of the first guide roller 103, the third guide roller 105 is arranged above the first guide roller 103, a limiting ring 106 is slidingly connected onto the first guide roller 103, a threaded rod 107 is arranged on the limiting ring 106, the threaded rod 107 can enable the limiting ring 106 to be fixed with the first guide roller 103, the position of the limiting ring 106 is adjusted according to the width of the folded plastic package paper, the plastic package paper is always kept in a half-folded state, the first guide roller 103, the second guide roller 104 and the third guide roller 105 are fixedly connected with the base 4 through two support columns 108, and after the plastic package paper is folded, the plastic package paper is threaded from the upper side of the first guide roller 103 to the lower side of the second guide roller 104 to the upper side of the third guide roller 105.

The feeding structure 1 left side is equipped with heat-seal structure 2, heat-seal structure 2 includes operation panel 201, operation panel 201 passes through first landing leg 202 and links to each other with base 4 is fixed, operation panel 201 front side and right side are equipped with down melt plate 203 of L type, be equipped with sword groove 2031 in the middle of the melt plate 203 under the L type, operation panel 201 left rear side articulates there is L type support 204, rotate articulated a hydraulic stem 206 through rotating the connecting piece 205 between L type support 204 and the operation panel 201, the extension after the hydraulic stem 206 does not have external force to intervene, make things convenient for the automatic of L type support 204 to prop up, fixedly connected with on the L type support 204 is gone up melt plate 207 on the L type, fixedly connected with cutting blade 2071 under the L type is gone up melt plate 207 on the L type, handle 208 makes things convenient for handheld operation, the rectangle is gone up melt plate 207 and is gone up melt plate 203 under the L type through rotating the connecting piece 205, cutting blade 2071 phase-match.

The folded plastic packaging bag is placed on the operation table 201, the L-shaped lower melting plate 203, the knife groove 2031, the L-shaped upper melting plate 207 and the cutting blade 2071 are matched with each other each time, so that the right side and the front side of the packaging bag can be heat sealed and cut off, the left side of the next plastic packaging bag is sealed, and continuous sealing of the plastic packaging bag is realized through continuous operation.

The heat-sealing structure is characterized in that a heat-shrinkage structure 3 is arranged on the left side of the heat-sealing structure 2, the heat-shrinkage structure 3 comprises an electric conveying mechanism 301, a supporting table 302 is fixedly connected under the electric conveying mechanism 301, the supporting table 302 is fixedly connected with a base 4 through a second supporting leg 303, transparent baffles 304 are fixedly connected to the front end and the rear end of the supporting table 302, a cover plate 305 is fixedly connected between the two transparent baffles 304, a hot air blower 306 is fixedly connected to the upper portion of the cover plate 305, a plurality of heat spray heads 307 are arranged below the cover plate 305, silica gel heat insulation sheets 308 are fixedly connected to the left end and the right end of the cover plate 305, and the silica gel heat insulation sheets 308 can not only reduce heat loss in the heat-shrinkage structure 3, but also do not affect the entry and exit of articles.

The working principle of the embodiment of the utility model is as follows: the plastic package paper is folded, then passes through the second guide roller 104 from the upper part of the first guide roller 103 to the lower part of the second guide roller 104 and then passes through the upper part of the third guide roller 105, the plastic package paper is pumped leftwards, the object to be sealed is placed between two layers of plastic package paper and is placed on the operation table 201, the L-shaped upper melting plate 207 and the L-shaped lower melting plate 203 are pressed downwards by the hand-held handle 208 to be overlapped, the plastic package paper is heat-sealed and cut off, the heat sealing is completed, the heat-sealed plastic package bag is placed on the right side of the electric conveying mechanism 301 in operation, the electric conveying mechanism 301 drives the plastic package bag to move rightwards and leftwards, the hot air blower 306 blows the plastic package bag through the hot air nozzle 307, and after the plastic package bag is heat-shrunk, the sealing and packaging are completed.

While the utility model has been described in detail in connection with the preferred embodiments, the scope of the utility model is not limited thereto, but is set forth in the following claims.

Claims (4)

1. The heat sealing device for the plastic packaging bag is characterized by comprising a feeding structure, a heat sealing structure and a heat shrinkage structure; the feeding structure comprises plastic rollers which are arranged on two U-shaped frames; the heat sealing structure comprises an operation table, wherein the operation table is fixedly connected with the base through a first supporting leg, and L-shaped lower melting plates are arranged on the front side and the right side of the operation table; the heat shrinkage structure comprises an electric conveying mechanism, a supporting table is fixedly connected under the electric conveying mechanism and fixedly connected with a base through a second supporting leg, and transparent baffles are fixedly connected to the front end and the rear end of the supporting table.

2. The heat sealing device for plastic packaging bags according to claim 1, wherein the U-shaped frame is fixedly connected with the base, a first guide roller, a second guide roller and a third guide roller which are parallel to each other are arranged above the U-shaped frame, the plastic roller is perpendicular to the first guide roller, the second guide roller is arranged on the right side of the first guide roller, the third guide roller is arranged above the first guide roller, a limiting ring is connected onto the first guide roller in a sliding manner, and a threaded rod is arranged on the limiting ring.

3. The heat sealing device for plastic packaging bags according to claim 1, wherein a knife slot is arranged in the middle of the L-shaped lower melting plate, an L-shaped support is hinged to the left rear side of the operating platform, a hydraulic rod is hinged to the L-shaped support and the operating platform in a rotating mode through a rotating connecting piece, an L-shaped upper melting plate is fixedly connected to the L-shaped support, a cutting blade is fixedly connected to the lower portion of the L-shaped upper melting plate, and a handle is fixedly connected to the L-shaped upper melting plate.

4. The heat sealing device for plastic packaging bags according to claim 1, wherein a cover plate is fixedly connected between the two transparent baffles, a hot air blower is fixedly connected above the cover plate, a plurality of heat spray heads are arranged below the cover plate, and silica gel heat insulation sheets are fixedly connected at the left end and the right end of the cover plate.