CN112109382B

CN112109382B - Degradable plastic bag and preparation process thereof

Info

Publication number: CN112109382B
Application number: CN202010975973.2A
Authority: CN
Inventors: 孔庆子
Original assignee: Hebei Xinding Packaging Material Co ltd
Current assignee: Hebei Xinding Packaging Material Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2022-05-17
Anticipated expiration: 2040-09-16
Also published as: CN112109382A

Abstract

The invention relates to preparation of degradable plastics, in particular to a degradable plastic bag and a preparation process thereof, wherein the preparation process comprises the following steps: the winding mechanism is wound with a paper tape, and the smearing mechanism is used for smearing glue on two sides of the lower end face of the paper tape; step two: the processing mechanism and the cutting platform cut the paper tape into rectangular paper boards, and the conveying mechanism and the pressing mechanism send the rectangular paper boards into a space between the rectangular supporting block and the material returning mechanism; step three: the two forming mechanisms move in sequence to extrude the rectangular paper boards to form paper side walls; because the paper lateral wall has certain intensity, consequently does not rely on the garbage bin, convenient to use to this disposal bag also conveniently puts into the garbage bin, and can not lead to the disposal bag to be blown out the garbage bin through the wind-force that the hole produced when indoor ventilation owing to there is the hole on the garbage bin lateral wall, and because the plastics bottom that the bottom set up, the plastics bottom can be the degradable plastic film among the prior art, and the plastics bottom can be better holds the liquid in the rubbish.

Description

Degradable plastic bag and preparation process thereof

Technical Field

The invention relates to preparation of degradable plastics, in particular to a degradable plastic bag and a preparation process thereof.

Background

For example, publication No. CN208263554U is a three-edge sealing high efficiency bag machine. The three-edge sealing efficient bag making machine comprises a bag making machine shell; a film winding shaft bracket; the feeding guide wheel is rotatably connected to the top of the bag making machine shell; a support bar; a motor; a first drive wheel; the side cutting mechanism is arranged at the top of the bag making machine shell; the side sealing mechanism comprises a support frame, a pneumatic sliding block, a pneumatic sliding rail, a first electric push rod and a first film sealing mechanism, and the first film sealing mechanism comprises a film sealing head and a connecting mechanism; the connecting mechanism comprises a through hole, a connecting buckle, a connecting plate and a pressing block; the steering guide wheel is fixed on the side part of the bag-making machine shell; the film cutting mechanism comprises a cross rod, a second electric push rod, a second film sealing mechanism, a first cutter, a groove and a second driving wheel; a conveyor belt; the utility model has the defect that the paper tube side wall of the degradable garbage bag consisting of the paper tube side wall and the plastic bottom can not be processed.

Disclosure of Invention

The invention aims to provide a degradable plastic bag and a preparation process thereof, which can be used for processing a paper tube side wall of a degradable garbage bag consisting of a paper tube side wall and a plastic bottom.

The purpose of the invention is realized by the following technical scheme:

a preparation process of a degradable plastic bag comprises the following steps:

the method comprises the following steps: a paper tape is wound on the material rolling mechanism, the paper tape penetrates between the processing mechanism and the cutting platform, and the coating mechanism coats two sides of the lower end face of the paper tape with glue;

step two: the processing mechanism and the cutting platform cut the paper tape into rectangular paper boards, and the conveying mechanism and the pressing mechanism send the rectangular paper boards into a space between the rectangular supporting block and the material returning mechanism;

step three: the two forming mechanisms move in sequence to extrude the rectangular paper boards to form paper side walls;

step four: the paper side wall and the plastic bottom are connected to form a degradable plastic bag;

the degradable plastic bag preparation process also comprises a degradable plastic bag preparation device, the degradable plastic bag preparation device comprises a device support, a coiling mechanism, a material conveying mechanism, a pressing mechanism, a smearing mechanism, a processing mechanism, a cutting platform, a rectangular supporting block, a forming mechanism and a material returning mechanism, the rear end of the device support is rotatably connected with the coiling mechanism, the device support is connected with the material conveying mechanism, the device support is connected with the pressing mechanism, the pressing mechanism is positioned on the upper side of the material conveying mechanism, the processing mechanism is fixedly connected on the device support, the cutting platform is fixedly connected on the device support, the processing mechanism is positioned on the upper side of the cutting platform, the device support is rotatably connected with the smearing mechanism, the front end of the device support is fixedly connected with the rectangular supporting block, the front end of the device support is rotatably connected with the material returning mechanism, the material returning mechanism is in transmission connection with the material conveying mechanism, and the front end of the device support is fixedly connected with the two forming mechanisms, the two forming mechanisms are respectively positioned on two sides of the rectangular supporting block and are both positioned between the cutting platform and the material returning mechanism.

According to the preparation process of the degradable plastic bag, the preparation device of the degradable plastic bag further comprises a support roll II, the device support comprises a processing support, a bottom plate, a pressing support I and a vertical long hole, the lower end of the processing support is fixedly connected with the bottom plate, the rear end of the processing support is fixedly connected with the pressing support I, the vertical long hole is formed in each of two sides of the front end of the processing support, the rear end of the processing support is rotatably connected with the support rolls II, and the cutting platform is fixedly connected to the bottom plate.

As a further optimization of the technical scheme, the preparation process of the degradable plastic bag comprises the following steps that the material rolling mechanism comprises two material rolling barrels, two detaching barrels and two winding drums, the two material rolling barrels are rotatably connected to the rear end of the processing support, the detaching barrels are connected to the two material rolling barrels in a sliding mode, compression springs are fixedly connected between the detaching barrels and the material rolling barrels, the winding drums are detachably and fixedly connected between the two detaching barrels, and paper tapes are wound on the winding drums.

As the technical scheme is further optimized, the degradable plastic bag preparation process comprises the following steps that the material conveying mechanism comprises a material conveying motor, a material conveying wheel I, a material conveying wheel II and a transmission belt wheel I, the material conveying motor is fixedly connected to one side of a processing support, the material conveying wheel I is fixedly connected to an output shaft of the material conveying motor, the material conveying wheel II is rotatably connected to the processing support, the transmission belt wheel I is fixedly connected to the material conveying wheel II, the material conveying wheel I is in transmission connection with the material conveying wheel II, and the transmission ratio between the material conveying wheel I and the material conveying wheel II is one.

According to the preparation process of the degradable plastic bag, the compression mechanism comprises two compression wheels, two connecting slide rails, two compression supports II and a threaded rod, the two compression wheels are rotatably connected between the two ends of the two compression wheels, the two connecting slide rails are slidably connected to the compression supports I, one of the compression wheels is rotatably connected with the compression supports II, the compression supports II is rotatably connected with the threaded rod, the threaded rod is connected to the compression supports I through threads, and the two compression wheels are respectively positioned on the upper sides of the two material conveying wheels I and the material conveying wheels II.

As a further optimization of the technical scheme, the degradable plastic bag preparation process comprises the step that the material returning mechanism comprises a material returning wheel and a transmission belt wheel II, the material returning wheel is rotatably connected to the front end of the processing support, the transmission belt wheel II is fixedly connected onto the material returning wheel and is in transmission connection with the transmission belt wheel I, and the diameter of the transmission belt wheel I is larger than that of the transmission belt wheel II.

As further optimization of the technical scheme, the degradable plastic bag preparation device further comprises a punching platform, the punching platform is fixedly connected to the bottom plate, the machining mechanism comprises a reciprocating mechanism I, a punching cutter and a cutting cutter, the reciprocating mechanism I is fixedly connected to the pressing support II, the telescopic end of the reciprocating mechanism I is fixedly connected with the punching cutter and the cutting cutter, the punching cutter is located on the upper side of the punching platform, and the cutting cutter is located on the upper side of the cutting platform.

According to the technical scheme, the degradable plastic bag manufacturing process is further optimized, the forming mechanism comprises an L-shaped slide rail, a reciprocating mechanism II, an inclined push plate, a forming support, a forming wheel, a limiting column and a limiting slide block, the reciprocating mechanism II is fixedly connected to the L-shaped slide rail, the inclined push plate is fixedly connected to the reciprocating end of the reciprocating mechanism II, the forming support is connected to the inclined push plate in a sliding mode, the forming support is connected to the L-shaped slide rail in a sliding mode, the forming wheel and the limiting column are fixedly connected to the forming support, the limiting slide block is connected to the limiting column in a sliding mode, the L-shaped slide rail is fixedly connected to the left side and the right side of the processing support, and the limiting slide block is connected to the corresponding vertical long hole in a sliding mode.

According to the preparation process of the degradable plastic bag, the smearing mechanism comprises two hollow shafts, smearing wheels, smearing holes and supporting rolls I, the number of the hollow shafts is two, the two hollow shafts are fixedly connected with the smearing wheels, the two smearing wheels are respectively provided with the smearing holes, the smearing holes are connected with the corresponding hollow shafts, the supporting rolls I are fixedly connected between the two smearing wheels, and the two hollow shafts are rotatably connected to the processing support.

The utility model provides a degradable plastic bag, degradable plastic bag includes paper lateral wall, plastics bottom and connecting hole, and the downside of paper lateral wall is provided with a plurality of connecting holes, and the lower extreme of paper lateral wall is connected with the plastics bottom.

The degradable plastic bag and the preparation process thereof have the beneficial effects that:

according to the degradable plastic bag and the preparation process thereof, the two sides of the lower end surface of the paper tape can be coated with glue through the coating mechanism; the processing mechanism and the cutting platform cut the paper tape into rectangular paper boards, and the conveying mechanism and the pressing mechanism send the rectangular paper boards into a space between the rectangular supporting block and the material returning mechanism; the two forming mechanisms move in sequence to extrude the rectangular paper boards to form paper side walls; the paper side wall and the plastic bottom are connected to form a degradable plastic bag; the degradable plastic bag comprises a paper side wall, a plastic bottom and connecting holes, wherein the plurality of connecting holes are formed in the lower side of the paper side wall, the lower end of the paper side wall is connected with the plastic bottom, the paper side wall of the garbage bag has certain strength, and the garbage bag is independent of a garbage can and convenient to use, and the garbage bag is also convenient to place in the garbage can, and cannot be blown out of the garbage can due to the fact that holes exist in the side wall of the garbage can and wind force generated through the holes during indoor ventilation exists, and the plastic bottom is arranged and can be a degradable plastic film in the prior art, and the plastic bottom can better contain liquid in garbage.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of a device for manufacturing degradable plastic bags according to the present invention;

FIG. 2 is a schematic structural view of a cross-sectional view of a degradable plastic bag manufacturing apparatus according to the present invention;

FIG. 3 is a schematic view of a partial structure of a degradable plastic bag manufacturing apparatus according to the present invention;

FIG. 4 is a schematic view of the construction of the reel mechanism of the present invention;

FIG. 5 is a schematic view of the material handling mechanism of the present invention;

FIG. 6 is a schematic view of the hold-down mechanism of the present invention;

FIG. 7 is a schematic view of the applicator mechanism of the present invention;

FIG. 8 is a schematic view of the tooling structure of the present invention;

FIG. 9 is a first schematic structural diagram of the forming mechanism of the present invention;

FIG. 10 is a second schematic structural view of the forming mechanism of the present invention;

FIG. 11 is a schematic structural view of the material returning mechanism of the present invention;

fig. 12 is a schematic view of the structure of the degradable plastic bag of the present invention.

In the figure: a device holder 1; processing the bracket 101; a base plate 102; the pressing support I103; a vertical long hole 104; a material rolling mechanism 2; a take-up barrel 201; disassembling the barrel 202; a reel 203; a material conveying mechanism 3; a material transporting motor 301; a conveying wheel I302; a material conveying wheel II 303; a transmission belt wheel I304; a pressing mechanism 4; a pinch roller 401; a connecting slide rail 402; pressing the support II 403; a threaded rod 404; a smearing mechanism 5; a hollow shaft 501; an application wheel 502; a painting hole 503; a support roller I504; a processing mechanism 6; a reciprocating mechanism I601; a punching cutter 602; a cutting tool 603; a punching platform 7; a cutting platform 8; a rectangular supporting block 9; a molding mechanism 10; an L-shaped slide 1001; a reciprocating mechanism II 1002; a tilt push plate 1003; forming a bracket 1004; a forming wheel 1005; a restraint post 1006; a limiting slide block 1007; a material returning mechanism 11; a material return wheel 1101; a driving belt wheel II 1102; a support roller II 12; a paper-made side wall 13; a plastic bottom 14; and connecting to the aperture 15.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and "upright", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, integral connections, direct connections, indirect connections through intervening media, and communication between two components. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present invention, the meaning of "a plurality", and "a plurality" is two or more unless otherwise specified.

The first embodiment is as follows:

the present embodiment will be described with reference to fig. 1 to 12, and a process for preparing a degradable plastic bag comprises the following steps:

the method comprises the following steps: a paper tape is wound on the material winding mechanism 2, the paper tape penetrates through a position between the processing mechanism 6 and the cutting platform 8, and the coating mechanism 5 is used for coating glue on two sides of the lower end face of the paper tape;

step two: the processing mechanism 6 and the cutting platform 8 cut the paper tape into rectangular paper boards, and the conveying mechanism 3 and the pressing mechanism 4 send the rectangular paper boards into a space between the rectangular supporting block 9 and the material returning mechanism 11;

step three: the two forming mechanisms 10 move in sequence to extrude the rectangular paperboard to form a paper side wall 13;

step four: the paper side wall 13 and the plastic bottom 14 are connected to form a degradable plastic bag;

the preparation process of the degradable plastic bag also comprises a degradable plastic bag preparation device, the degradable plastic bag preparation device comprises a device support 1, a coiling mechanism 2, a material conveying mechanism 3, a pressing mechanism 4, an applying mechanism 5, a processing mechanism 6, a cutting platform 8, a rectangular supporting block 9, a forming mechanism 10 and a material returning mechanism 11, the rear end of the device support 1 is rotatably connected with the coiling mechanism 2, the device support 1 is connected with the material conveying mechanism 3, the device support 1 is connected with the pressing mechanism 4, the pressing mechanism 4 is positioned at the upper side of the material conveying mechanism 3, the processing mechanism 6 is fixedly connected with the device support 1, the cutting platform 8 is fixedly connected with the device support 1, the processing mechanism 6 is positioned at the upper side of the cutting platform 8, the device support 1 is rotatably connected with the applying mechanism 5, the front end of the device support 1 is fixedly connected with the rectangular supporting block 9, the front end of the device support 1 is rotatably connected with the material returning mechanism 11, the material returning mechanism 11 is in transmission connection with the material conveying mechanism 3, the front end of the device support 1 is fixedly connected with two forming mechanisms 10, the two forming mechanisms 10 are respectively positioned on two sides of the rectangular supporting block 9, and the two forming mechanisms 10 are both positioned between the cutting platform 8 and the material returning mechanism 11; the degradable plastic bag comprises a paper side wall 13, a plastic bottom 14 and connecting holes 15, wherein the lower side of the paper side wall 13 is provided with the plurality of connecting holes 15, the lower end of the paper side wall 13 is connected with the plastic bottom 14, the paper side wall 13 of the garbage bag has certain strength, so that the garbage bag is independent of a garbage can and convenient to use, the garbage bag is also convenient to put into the garbage can, the garbage bag cannot be blown out of the garbage can due to wind generated by holes in the indoor ventilation due to the holes in the side wall of the garbage can, and the plastic bottom 14 is arranged at the bottom and can be a degradable plastic film in the prior art, and the plastic bottom 14 can better contain liquid in garbage.

The second embodiment is as follows:

the embodiment is described below with reference to fig. 1 to 12, and the embodiment further describes a first embodiment, the degradable plastic bag preparation device further includes a support roller ii 12, the device bracket 1 includes a processing bracket 101, a bottom plate 102, a pressing bracket i 103 and a vertical long hole 104, the bottom end of the processing bracket 101 is fixedly connected with the bottom plate 102, the rear end of the processing bracket 101 is fixedly connected with the pressing bracket i 103, the vertical long holes 104 are respectively arranged on two sides of the front end of the processing bracket 101, the rear end of the processing bracket 101 is rotatably connected with a plurality of support rollers ii 12, and the cutting platform 8 is fixedly connected to the bottom plate 102.

The third concrete implementation mode:

the following describes the present embodiment with reference to fig. 1 to 12, and the present embodiment further describes the second embodiment, the material rolling mechanism 2 includes two material rolling barrels 201, two detaching barrels 202 and two winding barrels 203, the two material rolling barrels 201 are both rotatably connected to the rear end of the processing support 101, the two material rolling barrels 201 are both slidably connected to the detaching barrels 202, compression springs are fixedly connected between the detaching barrels 202 and the material rolling barrels 201, the two detaching barrels 202 are detachably and fixedly connected to the winding barrels 203, and paper tapes are wound on the winding barrels 203.

The fourth concrete implementation mode:

the third embodiment is further described with reference to fig. 1 to 12, where the material transporting mechanism 3 includes a material transporting motor 301, a material transporting wheel i 302, a material transporting wheel ii 303, and a driving pulley i 304, the material transporting motor 301 is fixedly connected to one side of the processing support 101, the material transporting wheel i 302 is fixedly connected to an output shaft of the material transporting motor 301, the material transporting wheel ii 303 is rotatably connected to the processing support 101, the driving pulley i 304 is fixedly connected to the material transporting wheel ii 303, the material transporting wheel i 302 and the material transporting wheel ii 303 are in driving connection, and a driving ratio between the material transporting wheel i 302 and the material transporting wheel ii 303 is one.

The fifth concrete implementation mode:

the embodiment is described below with reference to fig. 1 to 12, and the fourth embodiment is further described, where the pressing mechanism 4 includes two pressing wheels 401, two connecting slide rails 402, two pressing supports ii 403 and a threaded rod 404, the two pressing wheels 401 are connected to the connecting slide rails 402 between two ends of the two pressing wheels 401, the two connecting slide rails 402 are connected to the pressing supports i 103 in a sliding manner, one of the pressing wheels 401 is connected to the pressing support ii 403 in a rotating manner, the pressing support ii 403 is connected to the threaded rod 404 in a rotating manner, the threaded rod 404 is connected to the pressing support i 103 through a thread, and the two pressing wheels 401 are located on upper sides of the two material conveying wheels i 302 and the material conveying wheel ii 303 respectively.

The sixth specific implementation mode:

the present embodiment is described below with reference to fig. 1 to 12, and further described in the present embodiment, the material returning mechanism 11 includes a material returning wheel 1101 and a driving pulley ii 1102, the material returning wheel 1101 is rotatably connected to the front end of the processing support 101, the driving pulley ii 1102 is fixedly connected to the material returning wheel 1101, the driving pulley ii 1102 is in driving connection with the driving pulley i 304, and the diameter of the driving pulley i 304 is greater than the diameter of the driving pulley ii 1102.

The seventh embodiment:

the following describes the present embodiment with reference to fig. 1 to 12, and the present embodiment further describes an embodiment six, the apparatus for preparing degradable plastic bags further includes a punching platform 7, the punching platform 7 is fixedly connected to the bottom plate 102, the processing mechanism 6 includes a reciprocating mechanism i 601, a punching cutter 602 and a cutting cutter 603, the reciprocating mechanism i 601 is fixedly connected to the pressing bracket i 103, a telescopic end of the reciprocating mechanism i 601 is fixedly connected to the punching cutter 602 and the cutting cutter 603, the punching cutter 602 is located on the upper side of the punching platform 7, and the cutting cutter 603 is located on the upper side of the cutting platform 8.

The specific implementation mode is eight:

the following describes the present embodiment with reference to fig. 1 to 12, and the seventh embodiment is further described in the present embodiment, where the forming mechanism 10 includes an L-shaped slide rail 1001, a reciprocating mechanism ii 1002, an inclined push plate 1003, a forming support 1004, a forming wheel 1005, a limiting post 1006, and a limiting slider 1007, the L-shaped slide rail 1001 is fixedly connected with the reciprocating mechanism ii 1002, the reciprocating end of the reciprocating mechanism ii 1002 is fixedly connected with the inclined push plate 1003, the inclined push plate 1003 is slidably connected with the forming support 1004, the forming support 1004 is slidably connected to the L-shaped slide rail, the forming support 1001 is fixedly connected with the forming wheel 1005 and the limiting post 1006, the limiting slider 1007 is slidably connected to the limiting post 1006, the left and right sides of the processing support 101 are fixedly connected with the L-shaped slide rail 1001, and the limiting slider 1007 is slidably connected to the corresponding vertical long hole 104.

The specific implementation method nine:

the following describes the present embodiment with reference to fig. 1 to 12, and the eighth embodiment is further described, where the smearing mechanism 5 includes two hollow shafts 501, smearing wheels 502, smearing holes 503, and support rollers i 504, the hollow shafts 501 are provided with two, the two hollow shafts 501 are both fixedly connected with the smearing wheels 502, the two smearing wheels 502 are both provided with a plurality of smearing holes 503, the plurality of smearing holes 503 are connected with the corresponding hollow shafts 501, the support rollers i 504 are fixedly connected between the two smearing wheels 502, and the two hollow shafts 501 are both rotatably connected to the processing bracket 101.

A degradable plastic bag comprises a paper sidewall 13, a plastic bottom 14 and connecting holes 15, wherein the lower side of the paper sidewall 13 is provided with a plurality of connecting holes 15, and the lower end of the paper sidewall 13 is connected with the plastic bottom 14.

The invention relates to a degradable plastic bag and a preparation process thereof, wherein the working principle is as follows:

when the paper tape is used, one end of the paper tape is wound on the winding drum 203, paper materials of the paper tape can be set according to different use requirements, the two winding drum 201 are both connected with the dismounting drums 202 in a sliding mode, the compression springs are fixedly connected between the dismounting drums 202 and the winding drum 201, the winding drum 203 is detachably and fixedly connected between the two dismounting drums 202, so that the winding drum 203 is convenient to mount and dismount, and meanwhile, due to the thick existence of the compression springs, the winding drums 203 with different widths can be mounted between the two dismounting drums 202; as shown in fig. 2, paper bags sequentially pass through a pressing wheel 401 and a material conveying wheel i 302 on the rear side and a pressing wheel 401 and a material conveying wheel ii 303 on the front side, a plurality of supporting rollers ii 12 and i 504 support the paper bags, a threaded rod 404 is rotated, the threaded rod 404 drives a pressing support ii 403 to move through threads, the pressing support ii 403 drives the two pressing wheels 401 to move, the relative heights of the two pressing wheels 401 are adjusted, the material conveying wheel i 302 and the material conveying wheel ii 303 are guaranteed to be capable of conveying paper tapes with different thicknesses, and after installation and adjustment are completed, the material conveying motor 301 is started; an output shaft of the material conveying motor 301 drives a material conveying wheel I302 to rotate, the material conveying wheel I302 and a material conveying wheel II 303 are in transmission connection, the transmission ratio between the material conveying wheel I302 and the material conveying wheel II 303 is one, the material conveying wheel I302 drives the material conveying wheel II 303 to rotate, after the end portion of a paper tape is inserted between a material returning wheel 1101 and a rectangular support block 9, a reciprocating mechanism I601 is started, the reciprocating mechanism I601 and the reciprocating mechanism II 1002 can be hydraulic cylinders or electric push rods or other mechanical mechanisms capable of performing reciprocating motion, a reciprocating end of the reciprocating mechanism I601 drives a punching cutter 602 and a cutting cutter 603 to move downwards, the punching cutter 602 is located on the upper side of a punching platform 7, the cutting cutter 603 is located on the upper side of a cutting platform 8, the punching cutter 602 is matched with the punching platform 7 to punch the paper tape to form a connecting hole 15, the cutting cutter 603 is matched with the cutting platform 8 to cut the paper tape to form a rectangular paper board, it should be noted that, because the rectangular cardboard cut off in the first processing is not punched by the punching tool 602, the connection hole 15 is not formed in the first cutting, the main purpose of the connection hole 15 is to facilitate the connection between the paper sidewall 13 and the plastic bottom 14 by an adhesive tape, the upper side of the adhesive tape is connected to the paper sidewall 13 and the plastic bottom 14 at the side of the connection hole 15, and the lower side of the adhesive tape is connected to the plastic bottom 14; the cut rectangular paper board is located between the rectangular supporting block 9 and the material returning wheel 1101, the reciprocating mechanism II 1002 is started, the reciprocating end of the reciprocating mechanism II 1002 pushes the inclined pushing plate 1003 to move downwards, the inclined pushing plate 1003 drives the forming support 1004 to move downwards, the forming support 1004 drives the forming wheel 1005 to move downwards, the forming wheel 1005 extrudes the side edge of the rectangular paper board from top to bottom, the width of the rectangular paper board is larger than that of the rectangular supporting block 9, the forming wheel 1005 enables one side of the rectangular paper board to surround the rectangular supporting block 9, as shown in fig. 9 and 10, in the process that the inclined pushing plate 1003 moves downwards, the forming support 1004 is pushed to slide in the L-shaped sliding rail 1001, the motion track of the forming wheel 1005 is L-shaped, and the forming wheel 1005 extrudes the rectangular paper board to surround the side edge of the rectangular supporting block 9; the two smearing wheels 502 are respectively provided with a plurality of smearing holes 503, the smearing holes 503 are connected with the corresponding hollow shaft 501, a glue pipeline is connected on the hollow shaft 501 in advance, glue in the glue pipeline is led into the hollow shaft 501, the hollow shaft 501 is led into the smearing holes 503, the smearing wheels 502 are used for smearing glue on two sides of the lower end face of the paper sheet through the smearing holes 503, the glue can be selected from different types according to different use requirements, for example, when the forming mechanism 10 on one side moves, the forming mechanism 10 pushes the side edge of the rectangular paper sheet to surround the rectangular supporting block 9, the end part of the side edge of the rectangular paper sheet is required to be stuck on the rectangular supporting block 9, the sticking force cannot be too large, the rectangular paper sheet can be taken down conveniently, only the positioning effect is achieved, therefore, the glue needs to be selected according to the use requirements, when the forming mechanism 10 on the other side moves, the forming mechanism 10 pushes the side edge of the rectangular paper sheet to surround the rectangular supporting block 9, the end parts of the sides of the rectangular paperboard are required to be adhered to the end parts which are already surrounded on the rectangular supporting block 9 before to form a surrounding, so that the two sides of the rectangular paperboard are required to be connected, and glue is required to be selected according to use requirements; it should be noted that the forming mechanisms 10 which move first move alternately, and after one of the forming mechanisms moves, the other forming mechanism moves, and the two forming mechanisms 10 move sequentially to extrude the rectangular paperboard to form the paper side wall 13; the paper sidewall 13 and the plastic bottom 14 are connected to form a degradable plastic bag, which includes the paper sidewall 13, the plastic bottom 14 and the connection holes 15, the lower side of the paper sidewall 13 is provided with a plurality of connection holes 15, the lower end of the paper sidewall 13 is connected to the plastic bottom 14, the paper side wall 13 of the garbage bag has certain strength, so that the garbage bag is independent of a garbage can, is convenient to use, the garbage bag is also convenient to be placed in the garbage can, and the garbage bag cannot be blown out of the garbage can due to wind power generated by the holes when the holes are formed in the side wall of the garbage can and the indoor ventilation is performed, and because the plastic bottom 14 is arranged at the bottom, the plastic bottom 14 can be a degradable plastic film in the prior art, the plastic bottom 14 can better contain liquid in the garbage, and the paper side wall 13 and the plastic bottom 14 can be connected through adhesive tapes.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. A preparation process of a degradable plastic bag is characterized by comprising the following steps: the process comprises the following steps:

the method comprises the following steps: a paper tape is wound on the material rolling mechanism (2), the paper tape penetrates between the processing mechanism (6) and the cutting platform (8), and the coating mechanism (5) coats two sides of the lower end face of the paper tape with glue;

step two: the processing mechanism (6) and the cutting platform (8) cut the paper tape into rectangular paper boards, and the conveying mechanism (3) and the pressing mechanism (4) convey the rectangular paper boards into a space between the rectangular supporting block (9) and the material returning mechanism (11);

step three: the two forming mechanisms (10) move in sequence to extrude the rectangular paper boards to form paper side walls (13);

step four: the paper side wall (13) and the plastic bottom (14) are connected to form a degradable plastic bag;

the preparation process of the degradable plastic bag also comprises a preparation device of the degradable plastic bag, the preparation device of the degradable plastic bag comprises a device support (1), a coiling mechanism (2), a material conveying mechanism (3), a pressing mechanism (4), a smearing mechanism (5), a processing mechanism (6), a cutting platform (8), a rectangular supporting block (9), a forming mechanism (10) and a material returning mechanism (11), the rear end of the device support (1) is rotatably connected with the coiling mechanism (2), the device support (1) is connected with the material conveying mechanism (3), the device support (1) is connected with the pressing mechanism (4), the pressing mechanism (4) is positioned at the upper side of the material conveying mechanism (3), the processing mechanism (6) is fixedly connected to the device support (1), the cutting platform (8) is fixedly connected to the device support (1), the processing mechanism (6) is positioned at the upper side of the cutting platform (8), the device comprises a device support (1), a smearing mechanism (5) is connected to the device support (1) in a rotating mode, a rectangular supporting block (9) is fixedly connected to the front end of the device support (1), a material returning mechanism (11) is connected to the front end of the device support (1) in a rotating mode, the material returning mechanism (11) is in transmission connection with a material conveying mechanism (3), two forming mechanisms (10) are fixedly connected to the front end of the device support (1), the two forming mechanisms (10) are located on two sides of the rectangular supporting block (9) respectively, and the two forming mechanisms (10) are located between a cutting platform (8) and the material returning mechanism (11);

the device for preparing the degradable plastic bag further comprises supporting rolls II (12), the device support (1) comprises a processing support (101), a bottom plate (102), a pressing support I (103) and vertical long holes (104), the lower end of the processing support (101) is fixedly connected with the bottom plate (102), the rear end of the processing support (101) is fixedly connected with the pressing support I (103), the vertical long holes (104) are formed in two sides of the front end of the processing support (101), the rear end of the processing support (101) is rotatably connected with the supporting rolls II (12), and the cutting platform (8) is fixedly connected to the bottom plate (102);

the material rolling mechanism (2) comprises two material rolling barrels (201), two disassembling barrels (202) and two winding drums (203), the two material rolling barrels (201) are rotatably connected to the rear end of the processing support (101), the two material rolling barrels (201) are connected with the disassembling barrels (202) in a sliding mode, compression springs are fixedly connected between the disassembling barrels (202) and the material rolling barrels (201), the winding drums (203) are detachably and fixedly connected between the two disassembling barrels (202), and paper tapes are wound on the winding drums (203);

the material conveying mechanism (3) comprises a material conveying motor (301), a material conveying wheel I (302), a material conveying wheel II (303) and a transmission belt wheel I (304), the material conveying motor (301) is fixedly connected to one side of the processing support (101), the material conveying wheel I (302) is fixedly connected to an output shaft of the material conveying motor (301), the material conveying wheel II (303) is rotatably connected to the processing support (101), the transmission belt wheel I (304) is fixedly connected to the material conveying wheel II (303), the material conveying wheel I (302) is in transmission connection with the material conveying wheel II (303), and the transmission ratio between the material conveying wheel I (302) and the material conveying wheel II (303) is one;

hold-down mechanism (4) are including pinch roller (401), connect slide rail (402), compress tightly support II (403) and threaded rod (404), pinch roller (401) are provided with two, all rotate between the both ends of two pinch rollers (401) and be connected with connection slide rail (402), two are connected the equal sliding connection of slide rail (402) and are compressing tightly on support I (103), it is connected with to rotate on one of them pinch roller (401) and compress tightly support II (403), it is connected with threaded rod (404) to rotate on compressing tightly support II (403), threaded rod (404) are through threaded connection on compressing tightly support I (103), two pinch rollers (401) are located the upside of two fortune material wheels I (302) and fortune material wheel II (303) respectively.

2. The process for preparing a degradable plastic bag according to claim 1, wherein the process comprises the following steps: the material returning mechanism (11) comprises a material returning wheel (1101) and a transmission belt wheel II (1102), the material returning wheel (1101) is rotatably connected to the front end of the machining support (101), the material returning wheel (1101) is fixedly connected with the transmission belt wheel II (1102), the transmission belt wheel II (1102) is in transmission connection with the transmission belt wheel I (304), and the diameter of the transmission belt wheel I (304) is larger than that of the transmission belt wheel II (1102).

3. The process for preparing a degradable plastic bag according to claim 1, wherein the process comprises the following steps: degradable plastic bag preparation facilities is still including platform (7) punch, platform (7) fixed connection punches is on bottom plate (102), processing agency (6) are including reciprocating mechanism I (601), punching cutter (602) and cutting tool (603), reciprocating mechanism I (601) fixed connection is on compressing tightly support I (103), the flexible end fixedly connected with of reciprocating mechanism I (601) punches cutter (602) and cutting tool (603), punching cutter (602) are located the upside of platform (7) punch, cutting tool (603) are located the upside of cutting platform (8).

4. The process for preparing a degradable plastic bag according to claim 1, wherein the process comprises the following steps: the forming mechanism (10) comprises an L-shaped sliding rail (1001), a reciprocating mechanism II (1002), an inclined push plate (1003), a forming support (1004), a forming wheel (1005), a limiting column (1006) and a limiting sliding block (1007), the L-shaped sliding rail (1001) is fixedly connected with the reciprocating mechanism II (1002), the reciprocating end of the reciprocating mechanism II (1002) is fixedly connected with the inclined push plate (1003), the inclined push plate (1003) is slidably connected with the forming support (1004), the forming support (1004) is slidably connected onto the L-shaped sliding rail (1007), the forming support (1001) is fixedly connected with the forming wheel (1005) and the limiting column (1006), the limiting sliding block (1007) is slidably connected onto the limiting column (1006), the L-shaped sliding rail (1001) is fixedly connected to the left side and the right side of the processing support (101), and the limiting sliding block (1007) is slidably connected into the corresponding vertical long hole (104).

5. The process for preparing a degradable plastic bag according to any one of claims 1 to 4, wherein: scribble mechanism (5) including hollow shaft (501), scribble wheel (502), scribble hole (503) and backing roll I (504), hollow shaft (501) are provided with two, equal fixedly connected with paints wheel (502) on two hollow shafts (501), it all is provided with a plurality of holes (503) of scribbling on wheel (502) to scribble for two, a plurality of holes (503) of scribbling are connected with corresponding hollow shaft (501), two are scribbled fixedly connected with backing roll I (504) between wheel (502), two hollow shafts (501) are all rotated and are connected on processing support (101).

6. The degradable plastic bag prepared by using the preparation process of the degradable plastic bag according to claim 5, wherein the preparation process comprises the following steps: the degradable plastic bag comprises a paper side wall (13), a plastic bottom (14) and connecting holes (15), wherein the lower side of the paper side wall (13) is provided with a plurality of connecting holes (15), and the lower end of the paper side wall (13) is connected with the plastic bottom (14).