Plastic packaging bag sealing device

Abstract

The utility model discloses a plastic packaging bag sealing device which comprises a bottom plate and a top plate, a lower shell and an upper shell are fixed to the opposite sides of the bottom plate and the top plate respectively, electric heaters are fixed to the left sides of the interiors of the lower shell and the upper shell, a rotating shaft is fixed to the left sides of the electric heaters, and the surface of the rotating shaft is rotationally sleeved with a heat conduction wheel. The opposite sides of the two heat conduction wheels extend out of the lower shell and the upper shell correspondingly, heating strip plates are arranged on the right sides of the interiors of the lower shell and the upper shell correspondingly, the opposite sides of the two heating strip plates extend out of the lower shell and the upper shell correspondingly, and sleeves are fixed to the two sides of the interior of the lower shell correspondingly. The utility model relates to the technical field of packaging bag sealing. According to the plastic packaging bag sealing device, sealing of plastic packaging bags with different lengths can be met, when the packaging bags are small, sealing can be conducted through the heating strip plate, the using method is flexible, and meanwhile the device is small in size and convenient to carry.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging bag sealing, in particular to a plastic packaging bag sealing device. Background Art

[0002] At present, since some snacks are often stored in sealed bags to maintain their taste, they are often not finished when eaten. If the bagged snacks are not sealed, the snacks will become damp, which will affect the taste of the snacks.

[0003] After searching, the Chinese patent with publication number CN220501201U provides a sealing device for plastic packaging bags. By setting an adjustment structure and a heat conduction plate, after the heater generates heat, the heat conduction plate can receive the heat of the heater, and the heat conduction plate is heated. At this time, the heat conduction plate is pushed out by the adjustment structure, and the sealing edge of the plastic packaging bag is passed through between the two heat conduction plates to complete the heat shrink sealing operation. In addition, the sealing device uses two circular heat conduction plates for circumferential sealing operations, which can meet the sealing needs of plastic packaging bags of different lengths.

[0004] However, in actual use, the distance between the two circular heat-conducting plates is fixed. It cannot be guaranteed that the plastic bag can be in contact with the two circular heat-conducting plates exactly during use, so it cannot be guaranteed that the sealing is complete. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a plastic packaging bag sealing device to solve the above problems.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a plastic packaging bag sealing device, comprising a bottom plate and a top plate, wherein the bottom plate and the top plate are respectively fixed with a lower shell and an upper shell on opposite sides, an electric heater is fixed to the left side of the lower shell and the upper shell, and a rotating shaft is fixed to the left side of the electric heater, a surface of the rotating shaft is rotatably sleeved with a heat-conducting wheel, and the opposite sides of the two heat-conducting wheels extend to the outside of the lower shell and the upper shell respectively, a heating strip is arranged on the right side of the lower shell and the upper shell, and the opposite sides of the two heating strips extend to the outside of the lower shell and the upper shell respectively, a sleeve is fixed on both sides of the interior of the lower shell, and a connecting plate is slidably connected to the interior of the sleeve, both sides of the connecting plate are respectively slidably arranged in the sliding groove of the inner side wall of the sleeve, a guide rod is fixed on the top of the connecting plate, the top end of the guide rod movably passes through the lower shell and the top end is fixed to the upper shell, and a spring is arranged between the bottom of the connecting plate and the inner wall of the sleeve.

[0007] Preferably, the ends of the two heat-conducting wheels and the ends of the two heating strips are located on the same horizontal line.

[0008] Preferably, a power source is fixed inside the lower shell, and the power source is connected to the electric heater and the heating strip through a wire.

[0009] Preferably, two conductive columns are fixed on the top of the power supply, and the conductive columns penetrate and extend into the interior of the upper shell. The top ends of the two conductive columns are respectively connected to the electric heater and the heating strip inside the upper shell through wires.

[0010] Preferably, the upper shell is provided with through holes adapted to the heat-conducting wheel, the conductive column and the heating strip, and the lower shell is provided with through holes adapted to the heat-conducting wheel, the conductive column, the heating strip and the guide rod.

[0011] Preferably, a handle is fixed on the top of the top plate, and the handle is semicircular.

[0012] Beneficial Effects

[0013] The utility model provides a plastic packaging bag sealing device, which has the following beneficial effects:

[0014] (1) When the plastic packaging bag sealing device is used, the power is turned on, the electric heater works to generate heat and transfers it to the heat-conducting wheel, and then the sealing edge of the plastic packaging bag is passed between the two heat-conducting wheels, and then the top plate is pressed down, so that the two heat-conducting wheels squeeze the plastic bag, and then the plastic bag is pulled to move. Since the heat-conducting wheels can rotate, the plastic bag can be easily pulled, and the sealing of plastic packaging bags of different lengths can be met.

[0015] (2) When the plastic packaging bag sealing device is used, if the packaging bag is small, the sealing edge of the plastic packaging bag can be placed between the two heating strips, and then the top plate is pressed down so that the two heating strips squeeze the plastic bag to achieve sealing of the plastic packaging bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the upper shell and the lower shell of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure inside the sleeve of the utility model.

[0019] In the figure: 1. bottom plate; 2. top plate; 3. lower shell; 4. upper shell; 5. electric heater; 6. rotating shaft; 7. heat transfer wheel; 8. heating strip; 9. sleeve; 10. connecting plate; 11. slide groove; 12. guide rod; 13. power supply; 14. wire; 15. handle; 16. conductive column; 17. spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 The utility model provides a technical solution: a plastic packaging bag sealing device, comprising a bottom plate 1 and a top plate 2, a handle 15 is fixed on the top of the top plate 2, and the handle 15 is semicircular, a lower shell 3 and an upper shell 4 are fixed on opposite sides of the bottom plate 1 and the top plate 2, a sleeve 9 is fixed on both sides of the interior of the lower shell 3, and a connecting plate 10 is slidably connected to the interior of the sleeve 9, and both sides of the connecting plate 10 are slidably arranged in the inside of the slide groove 11 of the inner wall of the sleeve 9, a guide rod 12 is fixed on the top of the connecting plate 10, the top end of the guide rod 12 movably passes through the lower shell 3 and the top end is fixed to the upper shell 4, and a spring 17 is arranged between the bottom of the connecting plate 10 and the inner wall of the sleeve 9;

[0022] The setting of the spring 17 means that when the top plate 2 is pressed down, the guide rod 12 moves down, driving the connecting plate 10 to be pressed down, and the spring 17 contracts. After the sealing is completed, the top plate 2 is released, and the guide rod 12 is reset under the action of the spring 17, and the plastic bag can be taken out.

[0023] An electric heater 5 is fixed to the left side of the lower shell 3 and the upper shell 4, and a rotating shaft 6 is fixed to the left side of the electric heater 5. A heat transfer wheel 7 is rotatably sleeved on the surface of the rotating shaft 6. The opposite sides of the two heat transfer wheels 7 extend to the outside of the lower shell 3 and the upper shell 4 respectively.

[0024] When in use, start the power supply, the electric heater 5 starts to generate heat and transfer it to the heat-conducting wheel 7, then the sealing edge of the plastic packaging bag is passed between the two heat-conducting wheels 7, and then the top plate 2 is pressed down, so that the two heat-conducting wheels 7 squeeze the plastic bag, and then the plastic bag is pulled to move. Since the heat-conducting wheels 7 can rotate, the plastic bag can be easily pulled, which can meet the sealing needs of plastic packaging bags of different lengths.

[0025] A heating strip 8 is provided on the right side of the lower shell 3 and the upper shell 4, and the opposite sides of the two heating strips 8 extend to the outside of the lower shell 3 and the upper shell 4 respectively, and the ends of the two heat-conducting wheels 7 and the ends of the two heating strips 8 are located on the same horizontal line;

[0026] When in use, if the packaging bag is small, the sealing edge of the plastic packaging bag can be placed between the two heating strips 8, and then the top plate 2 is pressed down to make the two heating strips squeeze the plastic bag to achieve the sealing of the plastic packaging bag. The ends of the two heat-conducting wheels 7 and the ends of the two heating strips 8 are located on the same horizontal line to ensure that they will not interfere with each other during use.

[0027] A power supply 13 is fixed inside the lower shell 3, and the power supply is connected to the electric heater 5 and the heating strip 8 through a wire 14. Two conductive columns 16 are fixed on the top of the power supply 13. The conductive columns 16 pass through and extend to the inside of the upper shell 4. The top ends of the two conductive columns 16 are respectively connected to the electric heater 5 and the heating strip 8 inside the upper shell 4 through the wire 14.

[0028] The upper shell 4 is provided with through holes adapted to the heat transfer wheel 7 , the conductive column 16 and the heating strip 8 , and the lower shell 3 is provided with through holes adapted to the heat transfer wheel 7 , the conductive column 16 , the heating strip 8 and the guide rod 12 .

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic packaging bag sealing device, comprising a bottom plate (1) and a top plate (2), characterized in that: A lower shell (3) and an upper shell (4) are fixed to opposite sides of the bottom plate (1) and the top plate (2), respectively; an electric heater (5) is fixed to the left side of the inside of the lower shell (3) and the upper shell (4), and a rotating shaft (6) is fixed to the left side of the electric heater (5); a heat-conducting wheel (7) is rotatably sleeved on the surface of the rotating shaft (6); opposite sides of the two heat-conducting wheels (7) extend to the outside of the lower shell (3) and the upper shell (4), respectively; heating strips (8) are provided on the right side of the inside of the lower shell (3) and the upper shell (4), and opposite sides of the two heating strips (8) are respectively The lower shell (3) and the upper shell (4) extend to the outside of the lower shell (3), and sleeves (9) are fixed on both sides of the interior of the lower shell (3), and the interior of the sleeve (9) is slidably connected to a connecting plate (10), and the two sides of the connecting plate (10) are respectively slidably arranged in the inside of a slide groove (11) of the inner wall of the sleeve (9), and a guide rod (12) is fixed on the top of the connecting plate (10), and the top end of the guide rod (12) movably passes through the lower shell (3) and is fixed to the upper shell (4), and a spring (17) is arranged between the bottom of the connecting plate (10) and the inner wall of the sleeve (9).

2. A plastic packaging bag sealing device according to claim 1, characterized in that: The ends of the two heat-conducting wheels (7) and the ends of the two heating strips (8) are located on the same horizontal line.

3. A plastic packaging bag sealing device according to claim 1, characterized in that: A power source (13) is fixed inside the lower shell (3), and the power source is connected to the electric heater (5) and the heating strip (8) through a wire (14).

4. A plastic packaging bag sealing device according to claim 3, characterized in that: Two conductive columns (16) are fixed on the top of the power source (13), and the conductive columns (16) penetrate and extend into the interior of the upper shell (4). The top ends of the two conductive columns (16) are respectively connected to the electric heater (5) and the heating strip (8) inside the upper shell (4) through wires (14).

5. A plastic packaging bag sealing device according to claim 1, characterized in that: The upper shell (4) is provided with through holes compatible with the heat-conducting wheel (7), the conductive column (16) and the heating strip (8), and the lower shell (3) is provided with through holes compatible with the heat-conducting wheel (7), the conductive column (16), the heating strip (8) and the guide rod (12).

6. A plastic packaging bag sealing device according to claim 1, characterized in that: A handle (15) is fixed on the top of the top plate (2), and the handle (15) is semicircular.

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