A method of manufacturing degradable plastic bags

Abstract

The present application relates to the field of plastic preparation, more particularly to a kind of degradable plastic bag manufacturing method.The method comprises the following steps: step one: first produce the degradable plastic bag that can be continuously torn open and carry out unfolding;Step two: while carrying out plastic bag unfolding transportation, the synchronous unfolding of the metal wire with skin is carried out on the two sides of plastic bag;Step three: the metal wire of two sides is pasted on plastic bag by smearing glue;Step four: the metal wire with skin is laid on the upper and lower sides of plastic bag;Step five: by heating the metal wire with skin, it is fused on plastic bag, and the collection of plastic bag is carried out.The present application has the advantage that plastic bag that can be opened can be manufactured.

Description

TECHNICAL FIELD

[0001] The application relates to the field of plastic bag preparation, in particular to a method for manufacturing degradable plastic bags. BACKGROUND

[0002] The application with the patent number 113561565 discloses a degradable plastic bag and a preparation method thereof, and the preparation method comprises the following steps: step one, fixing the upper filter bag and the lower liquid bag on a degradable plastic bag preparation device; step two, tensioning the lower end of the upper filter bag and punching holes in the upper filter bag; step three, moving the upper filter bag into the liquid bag; and step four, connecting the upper filter bag and the lower liquid bag. The application has the defect that the plastic bag cannot be stretched open. SUMMARY

[0003] The application aims to provide a method for manufacturing degradable plastic bags, which has the advantage that the plastic bag can be stretched open.

[0004] The application is achieved by the following technical scheme.

[0005] A method for manufacturing degradable plastic bags, which comprises the following steps:

[0006] Step one, producing the degradable plastic bags that can be continuously torn open and unfolding the plastic bags;

[0007] Step two, simultaneously unfolding the metal wires on both sides of the plastic bags while transporting the unfolded plastic bags;

[0008] Step three, sticking the metal wires on both sides to the plastic bags by applying glue;

[0009] Step four, laying the metal wires on both sides of the plastic bags;

[0010] Step five, heating the metal wires to make them fuse on the plastic bags and collecting the plastic bags.

[0011] The method for manufacturing degradable plastic bags is achieved by a degradable plastic bag manufacturing device, which comprises an unfolding frame for laying the plastic bags, a stand fixed to the side of the unfolding frame, two laying wheels rotating on the stand, two upper pipes and two lower pipes fixed to the unfolding frame, a plurality of bending frames fixed to the two upper pipes and the two lower pipes, a plurality of air cylinders fixed to the bending frames, and a plurality of heating discs fixed to the air cylinder rods of the air cylinders.

[0012] Further, the device further comprises an upper limiting pipe fixed to the two bending frames at the upper end, and a lower limiting pipe fixed to the two bending frames at the lower end. Attached Figure Description

[0013] The present invention will now be described in further detail with reference to the accompanying drawings and specific implementation methods.

[0014] Figure 1 This is a flowchart illustrating the process of manufacturing plastic bags;

[0015] Figure 2 This is a schematic diagram of a structure in which metal wires are laid flat on both the top and bottom sides of a plastic bag.

[0016] Figure 3 This is a schematic diagram of a structure in which metal wires are fixed to the top and bottom sides of a plastic bag.

[0017] Figure 4 This is a schematic diagram of the unfolding frame;

[0018] Figure 5 This is a schematic diagram of the structure for releasing and collecting plastic bags;

[0019] Figure 6 This is a schematic diagram of the structure that drives the collecting wheel to rotate;

[0020] Figure 7 yes Figure 6 A magnified view of a portion of the structure shown.

[0021] Figure 8 This is a schematic diagram of the structure for releasing the metal wires on both sides;

[0022] Figure 9 This is a structural diagram showing the application of adhesive to the two metal wires on the side.

[0023] Figure 10 This is a schematic diagram of a structure that limits the movement of the metal wires on the side. Detailed Implementation

[0024] refer to Figure 1 A detailed flowchart illustrating the process of manufacturing biodegradable plastic bags:

[0025] A method for manufacturing a biodegradable plastic bag, the method comprising the following steps:

[0026] Step 1: First, produce biodegradable plastic bags that can be continuously torn and unfold them to prepare for processing into plastic bags that can be continuously torn for easy loading of items;

[0027] Step 2: While the plastic bag is being unfolded for transport, the metal wire with leather straps is simultaneously unfolded on both sides of the plastic bag.

[0028] Step three: the two sides of the metal wire is smeared with glue and stick on the plastic bag, so that the plastic bag on both sides of the fixed connection of metal wire, through two metal wire in the direction of the plastic bag loading port support, so that the plastic bag does not need a garbage can can stand up, loading of garbage, use more convenient;

[0029] Step four: the upper and lower sides of the plastic bag on the laying of the metal wire, so that the upper and lower sides of the metal wire with the direction of the two metal wire loading port so that the plastic bag can completely stand up by itself;

[0030] Step five: by heating the metal wire to make it on the plastic bag and plastic bag collection.

[0031] In combination with the above embodiments, the following functions can also be achieved;

[0032] Reference Figure 1 , the implementation process of laying the metal wire on the upper and lower sides of the plastic bag is described in detail:

[0033] The step two of the plastic bag is intermittent transportation, when the plastic bag stops transportation, the metal wire is laid on the upper and lower sides of the plastic bag, and the metal wire and the plastic bag are fixedly connected after the completion of the coking.

[0034] In combination with the above embodiments, the following functions can also be achieved;

[0035] Reference Figure 2 , 3 and 4, the implementation process of laying and fixing the metal wire on the upper and lower sides of the plastic bag is described in detail:

[0036] The degradable plastic bag manufacturing method is realized through a degradable plastic bag manufacturing device, the device comprises an unwinding frame 11 for laying plastic bags, the unwinding frame 11 is used for unwinding the laid parts during plastic bag transportation, the front of the unwinding frame 11 is fixedly connected with a stand 21, two laying wheels 22 are rotatably connected on the stand 21, the two laying wheels 22 are fixedly connected on the output shafts of two speed reducer motors I respectively, the two speed reducer motors I are fixedly connected on the two stands 21, the two speed reducer motors I are started, the two speed reducer motors I drive the two laying wheels 22 to rotate, the two laying wheels 22 drive the metal wires on them to be released and laid on the upper and lower surfaces of the plastic bags, the unwinding frame 11 is fixedly connected with two upper guide pipes 12 and two lower guide pipes 15, the two upper guide pipes 12 and the two lower guide pipes 15 guide the upper and lower metal wires, so that the metal wires can be laid flat on the upper and lower sides of the plastic bags, a plurality of bending frames 13 are fixedly connected on the two upper guide pipes 12 and the two lower guide pipes 15, a gas cylinder 31 is fixedly connected on each of the plurality of bending frames 13, a heating disc 32 is fixedly connected on the gas cylinder rod of each of the plurality of gas cylinders 31, the plurality of heating discs 32 can be heated after being powered on, the upper and lower heating discs 32 correspond to each other, can heat the plastic bags in the middle and the metal wires with skins, so that the skins of the corresponding metal wires and the plastic bags are melted together, realize the fixation of the plurality of metal wires and the plastic bags, ensure that the processed plastic bags can be expanded by the metal wires, do not need a garbage can to be expanded, and then realize that the garbage can be loaded, facilitate camping in the wild, facilitate taking away the garbage at hand, protect the environment, the plurality of gas cylinders 31 can drive the plurality of heating discs 32 to ascend and descend after being started, complete the fixation and processing of the plastic bags and the metal wires, and also do not hinder the transportation of the plastic bags, a cutter is fixedly connected on each of the plurality of heating discs 32, when the metal wires are heated, the cutters on the upper and lower corresponding heating discs 32 can cut the metal wires after the plurality of heating discs 32 move to the limit position, complete the cutting of the metal wires, and the metal wires can be laid at different positions of the plastic bags.

[0037] In combination with the above-mentioned embodiments, the following functions can also be realized;

[0038] Reference Figure 2 、 3 and 4, the implementation process of limiting the metal wires when laying the metal wires is described in detail:

[0039] The upper ends of the two bending frames 13 are fixedly connected with upper limiting pipes 14, the metal wires passing through the two upper guide pipes 12 are limited through the upper limiting pipes 14, so that the metal wires at the upper end can be completely laid flat on the upper surface of the plastic bags, preventing the metal wires at the upper end from being inclined or misaligned, and failing to realize the fixation of the metal wires on the plastic bags;

[0040] The lower ends of the two bending frames 13 are fixedly connected with lower limiting pipes 16, the lower limiting pipes 16 can guide the metal wires at the lower end, and have the same effect as the upper limiting pipes 14.

[0041] In combination with the above embodiment, the following functions can also be realized.

[0042] Reference Figure 5 The implementation process of releasing and winding the plastic bag is described in detail.

[0043] The left and right ends of the unfolding frame 11 are rotatably connected with a release wheel 41 and a collection wheel 43. The collection wheel 43 is powered to rotate, driving the release wheel 41 to rotate through the plastic bag, realizing the transportation of the plastic bag.

[0044] The left and right ends of the unfolding frame 11 are fixedly connected with guide rods 42. The two guide rods 42 guide the transported plastic bag to ensure that the transported plastic bag is flat and level, ensuring the processing of the plastic bag.

[0045] In combination with the above embodiment, the following functions can also be realized.

[0046] Reference Figure 8 The implementation process of the metal wire that releases the transportation direction of the plastic bag is described in detail.

[0047] The left end of the unfolding frame 11 is rotatably connected with a transmission shaft 51. The two ends of the transmission shaft 51 are detachably connected with two erected wheels 52 through bolts. The transmission shaft 51 is fixedly connected with the output shaft of a speed reducer motor II. The speed reducer motor II is fixedly connected with the unfolding frame 11. Starting the speed reducer motor II drives the transmission shaft 51 to rotate, and the transmission shaft 51 drives the two erected wheels 52 to rotate to complete the release of the metal wire.

[0048] In combination with the above embodiment, the following functions can also be realized.

[0049] Reference Figure 8 The implementation process of the metal wire that releases the transportation direction of the plastic bag is described in detail.

[0050] The left end of the unfolding frame 11 is fixedly connected with two pressing rods 17. The two pressing rods 17 press the metal wire released by the two erected wheels 52, ensuring that the metal wires on both sides do not arch, and ensuring the normal operation of the metal wires.

[0051] In combination with the above embodiment, the following functions can also be realized.

[0052] Reference Figure 9 The implementation process of the metal wire that releases the transportation direction of the plastic bag is described in detail.

[0053] The two ends of the left side of the unfolding frame 11 are fixedly connected with L-shaped frames 61, the two L-shaped frames 61 are fixedly connected with storage tubes 62, the two storage tubes 62 are fixedly connected with glue applying tubes 63, the two glue applying tubes 63 are fixedly connected with valves, the two glue applying tubes 63 can be opened and closed, and the glue stored in the two storage tubes 62 flows out through the two glue applying tubes 63 and falls on the metal wires at the lower end, so that the metal wires are adhered to the plastic bags.

[0054] In combination with the above embodiment, the following functions can also be realized.

[0055] Reference Figure 10 for the implementation process of limiting the two metal wires on the side of the plastic bag:

[0056] The two L-shaped frames 61 are fixedly connected with guide plates 71, the metal wires coated with glue are pressed down by the two guide plates 71, the middle part of the lower end of the two guide plates 71 is provided with limiting holes, the two metal wires are limited through the two limiting holes, so that deviation of the two metal wires during transportation is avoided, and the two glue applying tubes 63 can also ensure that the glue is applied to the two metal wires at the lower end.

[0057] In combination with the above embodiment, the following functions can also be realized.

[0058] Reference Figure 6 and 7 for the implementation process of driving the collection wheel to collect the plastic bag intermittently:

[0059] The two ends of the collection wheel 43 are fixedly connected with driven wheels 44, the two ends of the right side of the unfolding frame 11 are rotatably connected with driving wheels 45, the two driving wheels 45 are in friction transmission with the two driven wheels 44 respectively, the two driving wheels 45 are fixedly connected with the output shafts of two speed reducing motors III respectively, the two speed reducing motors III are fixedly connected with the unfolding frame 11, the two speed reducing motors III are started, the two speed reducing motors III drive the two driving wheels 45 to rotate, the two driving wheels 45 frictionally drive the two driven wheels 44 to rotate, and the two driven wheels 44 drive the collection wheel 43 to rotate, the two driving wheels 45 are provided with notches, the two driving wheels 45 drive the driven wheels 44 to rotate intermittently through the notches, and the intermittent transportation of the plastic bag is realized.

Claims

1. A method of manufacturing degradable plastic bags, characterized by: The method comprises the following steps: Step one: produce a continuously tearable degradable plastic bag and unfold it; Step two: simultaneously unfold the plastic bag and the metal wire on both sides of the plastic bag during the transportation of the plastic bag; Step three: apply glue to the metal wire on both sides and stick it to the plastic bag; Step four: lay the metal wire on both sides of the plastic bag; Step five: heat the metal wire to make it coagulate on the plastic bag and collect the plastic bag; The plastic bag unfolding transportation in step two is intermittent transportation; The degradable plastic bag manufacturing method is realized by a degradable plastic bag manufacturing device, which comprises an unfolding frame (11) for laying the plastic bag, a stand (21) fixed to the side of the unfolding frame (11), two laying wheels (22) rotating on the stand (21), two upper guide pipes (12) and two lower guide pipes (15) fixed to the unfolding frame (11), a plurality of bending frames (13) fixed to the two upper guide pipes (12) and the two lower guide pipes (15), a plurality of air cylinders (31) fixed to the plurality of bending frames (13), and a plurality of heating discs (32) fixed to the air cylinder rods of the plurality of air cylinders (31). The device further comprises an upper limiting pipe (14) fixed to the two bending frames (13) at the upper end, and a lower limiting pipe (16) fixed to the two bending frames (13) at the lower end.

2. The method of claim 1, wherein: The device further comprises a release wheel (41) and a collection wheel (43) rotating at both ends of the unfolding frame (11), and two guide rods (42) fixed to both ends of the unfolding frame (11).

3. The method of claim 2, wherein: The device further comprises a transmission shaft (51) rotating at the left end of the unfolding frame (11), and two erection wheels (52) detachably connected at both ends of the transmission shaft (51).

4. The method of claim 3, wherein: The device further comprises two downward pressing rods (17) fixed to the left end of the unfolding frame (11).

5. The method of claim 4, wherein: The device further comprises two L-shaped frames (61) fixed to both ends of the left side of the unfolding frame (11), two storage pipes (62) fixed to the two L-shaped frames (61), and two glue applying pipes (63) fixed to the two storage pipes (62).

6. The method of claim 5, wherein: The device further comprises two guide plates (71) fixed to the two L-shaped frames (61).

7. The method of claim 6, wherein: The device further comprises two driven wheels (44) fixed to both ends of the collection wheel (43), and two driving wheels (45) rotating at both ends of the right side of the unfolding frame (11), the two driving wheels (45) respectively frictionally driving the two driven wheels (44).

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