One-way air valve heat sealing device capable of automatically discharging waste

Abstract

The utility model provides a one-way air valve heat-sealing device capable of automatically discharging waste, which comprises a heating plate, a heating pipe, an air valve heat-sealing knife, an annular trepanning serrated knife and a waste discharging channel, the heating pipe is inserted in the heating plate, the upper surface of the air valve heat-sealing knife clings to the lower surface of the heating plate, the annular trepanning serrated knife is inserted and fixed at the bottom of the air valve heat-sealing knife, and the waste discharging channel is communicated with the air valve heat-sealing knife. The cutting edge of the annular trepanning serrated knife protrudes out of the bottom face of the air valve heat-sealing knife, and the waste discharge channel sequentially penetrates through the heating plate, the air valve heat-sealing knife and the annular trepanning serrated knife from top to bottom in the first direction. The one-way air valve heat sealing device capable of automatically discharging waste is simple in structure and ingenious in design, on the premise that the function of the one-way air valve is guaranteed, the procedure of manual punching is omitted, meanwhile, the problem of waste discharging is solved, the production cost is greatly reduced, the production efficiency is improved, and the production cost is reduced. And integrated operation of punching, waste discharging and heat sealing during installation of the one-way air valve can be conveniently achieved.

Description

Technical Field

[0001] This utility model belongs to the field of one-way air valve heat sealing technology, and in particular, it is a one-way air valve heat sealing device with automatic waste discharge capability. Background Technology

[0002] A one-way air valve is an accessory on a packaging bag. Its function is to expel the gas inside the bag while preventing outside air from entering, thus enabling the packaging bag to have both venting and preservation functions. It is currently widely used in heavy-duty bags, ton bags, and coffee bean bags.

[0003] Currently, one-way valves on the market are installed onto membranes using a segmented production model. This involves first using a punching die to pre-drill holes in the membrane at the locations where the one-way valve will be installed, and then using a valve heat-sealing knife to heat-seal the one-way valve onto the membrane. Meanwhile, membrane waste must be processed separately. This segmented production model results in high labor costs and low production efficiency, and it is difficult to achieve automatic waste removal. Therefore, how to achieve an integrated operation of drilling, waste removal, and heat sealing during one-way valve installation has become a problem that needs to be solved. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a one-way air valve heat sealing device with automatic waste discharge capability, which solves the problem of how to achieve integrated operation of drilling, waste discharge and heat sealing during the installation of one-way air valves.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A one-way gas valve heat sealing device with automatic waste discharge includes: a heating plate, a heating tube, a gas valve heat sealing knife, an annular perforated serrated knife, and a waste discharge channel. The heating tube is inserted into the heating plate. The upper surface of the gas valve heat sealing knife is closely attached to the lower surface of the heating plate. The annular perforated serrated knife is inserted and fixed at the bottom of the gas valve heat sealing knife, and the blade of the annular perforated serrated knife protrudes from the bottom surface of the gas valve heat sealing knife. The waste discharge channel passes through the interior of the heating plate, the gas valve heat sealing knife, and the annular perforated serrated knife in sequence from top to bottom along a first direction.

[0007] Optionally, the gas valve heat sealing knife includes a heating part and a welding part. The bottom surface of the heating part is connected to the top surface of the welding part. The top surface contour of the welding part is located within the bottom surface contour of the heating part. The top surface of the heating part is in close contact with the bottom surface of the heating plate.

[0008] Preferably, the cross-sectional shape of the welded part perpendicular to the first direction is annular. Preferably, the heating part and the welded part are integrally formed.

[0009] Optionally, the axial center lines parallel to the first direction on the heating plate, the gas valve heat sealing knife, and the annular perforating saw blade coincide with each other.

[0010] Optionally, the annular perforated serrated blade can be detachably inserted and fixed to the bottom of the gas valve heat sealing blade.

[0011] Optionally, the cross-sectional shape of the waste discharge channel perpendicular to the first direction is circular, and the outer diameter of the annular perforated saw blade is larger than the inner diameter of the waste discharge channel.

[0012] Preferably, the inner diameter of the annular perforated serrated cutter is less than or equal to the inner diameter of the waste discharge channel.

[0013] Optionally, two heating elements are provided, which are symmetrically inserted on both sides of the heating plate.

[0014] Optionally, the heating element is cylindrical.

[0015] Compared with the prior art, the one-way air valve heat sealing device with automatic waste discharge of this utility model has a simple structure and ingenious design. While ensuring the function of the one-way air valve, it not only eliminates the manual drilling process, but also solves the problem of waste discharge, which greatly reduces production costs, improves production efficiency, and facilitates the integrated operation of drilling, waste discharge and heat sealing during the installation of the one-way air valve. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a one-way air valve heat sealing device with automatic waste discharge according to an embodiment of the present invention.

[0017] Figure 2 This is a schematic diagram of the heat sealing operation of a one-way air valve heat sealing device with automatic waste discharge according to an embodiment of the present invention. Detailed Implementation

[0018] To provide a better understanding of the purpose, structure, features, and functions of this utility model, detailed descriptions are provided below with reference to specific embodiments.

[0019] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0020] Please refer to Figure 1 and Figure 2 As shown, a one-way air valve heat sealing device 100 with automatic waste discharge includes: a heating plate 1, a heating tube 2, an air valve heat sealing knife 3, an annular perforated serrated knife 4, and a waste discharge channel 5.

[0021] Heating element 2 is inserted into heating plate 1.

[0022] The upper surface of the gas valve heat sealing knife 3 is set in close contact with the lower surface of the heating plate 1.

[0023] The annular serrated cutter 4 is inserted and fixed at the bottom of the gas valve heat sealing knife 3, and the cutting edge of the annular serrated cutter 4 protrudes from the bottom surface of the gas valve heat sealing knife 3.

[0024] Waste discharge channel 5 passes through the interior of heating plate 1, gas valve heat sealing knife 3 and annular perforated serrated knife 4 sequentially from top to bottom along the first direction X.

[0025] Optionally, the gas valve heat sealing knife 3 includes a heating part 31 and a welding part 32. The bottom surface of the heating part 31 is connected to the top surface of the welding part 32, and the outline of the top surface of the welding part 32 is located within the outline of the bottom surface of the heating part 31. The top surface of the heating part 31 is in close contact with the bottom surface of the heating plate 1. This arrangement can increase the contact surface for heat conduction, reduce the overall volume of the gas valve heat sealing knife 3, and achieve rapid heating.

[0026] Preferably, the cross-sectional shape of the welded portion 32 perpendicular to the first direction X is annular. This arrangement facilitates the fitting and pressing of the outer ring of the one-way valve 102.

[0027] Preferably, the heating part 31 and the welding part 32 are integrally formed. This facilitates processing and improves heat conduction efficiency.

[0028] Optionally, the axial center lines of the heating plate 1, the gas valve heat sealing knife 3, and the annular perforating serrated knife 4, parallel to the first direction X, coincide with each other. This arrangement makes heat sealing more stable.

[0029] Optionally, the annular serrated cutter 4 can be detachably inserted and fixed to the bottom of the gas valve heat sealing cutter 3. This facilitates the disassembly and maintenance of the annular serrated cutter 4.

[0030] Optionally, the cross-sectional shape of the waste discharge channel 5 perpendicular to the first direction X is circular, and the outer diameter of the annular perforated serrated blade 4 is larger than the inner diameter of the waste discharge channel 5. This facilitates both the installation and fixation of the annular perforated serrated blade 4 and the discharge of the film waste 103.

[0031] Preferably, the inner diameter of the annular perforated serrated blade 4 is less than or equal to the inner diameter of the waste discharge channel 5. This facilitates better discharge of the film waste 103.

[0032] Optionally, two heating elements 2 are provided, symmetrically inserted on both sides of the heating plate 1. This facilitates improved overall heating efficiency and stability.

[0033] Optionally, heating element 2 can be cylindrical. This allows for rapid and stable heating and facilitates disassembly and maintenance.

[0034] Operating principle of the one-way air valve heat sealing device 100 with automatic waste discharge according to an embodiment of this utility model:

[0035] First, the film 101 is placed on the one-way valve 102 to be heat-sealed. Then, the one-way valve heat-sealing device 100 is pressed down as a whole, and a hole is made in the film 101 by the annular perforated serrated blade 4. The film waste 103 is left in the annular perforated serrated blade 4. Next, the heating plate 1 is heated by the heating tube 2, and the heat-sealing blade 3 of the valve is heated up quickly through heat conduction. Then, the heated heat-sealing blade 3 of the valve is pressed down and pressed against the outer ring of the one-way valve 102, so that the outer ring of the one-way valve 102 and the film 101 are heat-fused together. At the same time, when the heat-sealing blade 3 of the valve is pressed down on the one-way valve 102, the top of the inner ring of the one-way valve 102 generates an upward pushing force on the film waste 103 in the annular perforated serrated blade 4, so that the film waste 103 is squeezed and discharged through the waste discharge channel 5 in sequence until a certain number of layers are filled and then automatically squeezed out of the waste discharge channel 5, thereby achieving the effect of integrated molding and installation.

[0036] This utility model discloses a one-way air valve heat sealing device with automatic waste discharge. It has a simple structure and ingenious design. While ensuring the function of the one-way air valve, it not only eliminates the manual drilling process, but also solves the problem of waste discharge, which greatly reduces production costs, improves production efficiency, and facilitates the integrated operation of drilling, waste discharge and heat sealing during the installation of the one-way air valve.

[0037] This utility model has been described by the above-described embodiments; however, these embodiments are merely examples for implementing this utility model. It must be noted that the disclosed embodiments do not limit the scope of this utility model. Conversely, any modifications and refinements made without departing from the spirit and scope of this utility model are within the scope of patent protection of this utility model.

Claims

1. A one-way air valve heat sealing device capable of automatic waste discharge, characterized in that, The device comprises a heating plate, a heating tube, a hot air valve sealing cutter, a ring-shaped open notch zigzag cutter and a waste discharge channel. The heating tube is inserted into the heating plate. The upper surface of the hot air valve sealing cutter is close to the lower surface of the heating plate. The ring-shaped open notch zigzag cutter is inserted and fixed at the bottom of the hot air valve sealing cutter, and the blade of the ring-shaped open notch zigzag cutter protrudes from the bottom surface of the hot air valve sealing cutter. The waste discharge channel penetrates the inside of the heating plate, the hot air valve sealing cutter and the ring-shaped open notch zigzag cutter in the first direction from top to bottom.

2. The self-wasteable, one-way air valve heat seal apparatus of claim 1, wherein, The hot air valve sealing cutter comprises a heating part and a welding part, the bottom surface of the heating part is connected with the top surface of the welding part, the top surface profile of the welding part is within the bottom surface profile of the heating part, and the top surface of the heating part is close to the bottom surface of the heating plate.

3. The self-wasteable, one-way air valve heat seal apparatus of claim 2, wherein, The cross section shape of the welding part perpendicular to the first direction is circular ring shape.

4. The self-wasteable, one-way air valve heat seal apparatus of claim 2, wherein, The heating part and the welding part are integrally formed.

5. The self-wasteable, one-way air valve heat seal apparatus of claim 1, wherein, The axial center lines of the heating plate, the hot air valve sealing cutter and the ring-shaped open notch zigzag cutter parallel to the first direction coincide with each other.

6. The self-wasteable, one-way air valve heat seal apparatus of claim 1, wherein, The ring-shaped open notch zigzag cutter is detachably inserted and fixed at the bottom of the hot air valve sealing cutter.

7. The self-wasteable, one-way air valve heat seal apparatus of claim 1, wherein, The cross section shape of the waste discharge channel perpendicular to the first direction is circular, and the outer diameter of the ring-shaped open notch zigzag cutter is greater than the inner diameter of the waste discharge channel.

8. The self-wasteable, one-way air valve heat seal apparatus of claim 7, wherein, The inner diameter of the ring-shaped open notch zigzag cutter is less than or equal to the inner diameter of the waste discharge channel.

9. The self-wasteable, one-way air valve heat seal apparatus of claim 1, wherein, The heating tube is provided with two, which are symmetrically inserted into the two sides of the heating plate.

10. The self-wasteable, one-way air valve heat seal apparatus of claim 1, wherein, The heating tube is cylindrical.

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