CN112111800B - Preparation process of polyethylene plastic woven wire material for woven bag - Google Patents
Preparation process of polyethylene plastic woven wire material for woven bag Download PDFInfo
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- CN112111800B CN112111800B CN202011074604.2A CN202011074604A CN112111800B CN 112111800 B CN112111800 B CN 112111800B CN 202011074604 A CN202011074604 A CN 202011074604A CN 112111800 B CN112111800 B CN 112111800B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/42—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments
- D01D5/426—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments by cutting films
Abstract
The invention provides a preparation process of a polyethylene plastic woven wire material for woven bags, which comprises the operation of matching a bottom plate, a delay unit, a telescopic cylinder, a U-shaped frame, a rotating shaft, a motor, a wire cutting unit, an air blowing unit and a traction unit.
Description
Technical Field
The invention relates to the technical field of woven material processing, in particular to a preparation process of a polyethylene plastic woven wire material for woven bags.
Background
The woven bag is one kind of plastic bag for packing and is produced with polyethylene and other chemical plastic material. The plastic woven bag is made by using polyethylene as main material and through extrusion, shredding and stretching to obtain polyethylene plastic woven filament, and weaving.
Polyethylene plastics weaving silk belongs to one kind of weaving material, to weaving silk preparation in-process, need shred the processing with fashioned piece membrane, thereby obtain more thin flat silk, traditional shredding process carries out centre gripping formula with the piece membrane usually and carries, shreds the piece membrane through the mould cutter, however, current mould structure is mostly fixed, be difficult to adjust, the section silk width that cuts into often can not obtain the change, simultaneously, the formula of falling cuts off and is difficult to cut off completely, the condition that still exists the connecting portion between the adjacent section silk probably appears, traditional piece membrane is carried and also can appear carrying the condition that does not tighten, thereby lead to the condition of bending midway, and then lead to the phenomenon that is difficult to cut off.
Disclosure of Invention
In order to solve the problems, the invention provides a preparation process of a polyethylene plastic woven wire material for a woven bag, which can solve the problems that a traditional wire cutting process generally carries out clamping type conveying on a piece of film, and the piece of film is cut into wires by a die cutter, but most of the existing die structures are fixed and difficult to adjust, the width of the cut wire cannot be changed frequently, meanwhile, direct falling type cutting is difficult to completely cut off, the situation that a connecting part still exists between adjacent cut wires can occur, the situation that conveying is not tightened can also occur in the traditional piece of film conveying, the situation that the conveying is bent halfway is caused, and the phenomenon that the cutting is difficult is caused, and the like.
In order to achieve the purpose, the invention adopts the following technical scheme that a preparation process of the polyethylene plastic woven wire material for the woven bag uses a shredding device, the shredding device comprises a bottom plate, a delay unit, a telescopic cylinder, a U-shaped frame, a rotating shaft, a motor, a shredding unit, an air blowing unit and a traction unit, and the preparation process of the polyethylene plastic woven wire material for the woven bag by using the shredding device comprises the following steps:
s1, preparing a sheet film: the raw materials are melted, filtered and extruded into a sheet film, and then the sheet film is cooled and dried;
s2, clamping and conveying: the manufactured piece of film is pulled rightwards, the free end of the piece of film is clamped through a pressing mechanism, the piece of film is driven by a second electric roller to be conveyed rightwards at a low speed, and meanwhile, the piece of film is conveyed in a tightening manner under the coordination of a delay unit;
s3, shredding: during conveying, the sheet films are subjected to equidistant shredding treatment through the descending shredding unit, so that shredded yarns are formed, and the shredded yarns are wound on the traction cylinder under the rotation of the second electric roller;
s4, molding: and heating, stretching and cooling the split yarn to obtain the woven yarn.
Delay unit is installed to the left end of bottom plate, and telescopic cylinder is installed to both ends symmetry around the bottom plate middle part, and U type frame is installed to telescopic cylinder's ejecting end, is connected for the bearing between U type frame and the pivot, the rear end of pivot and the output shaft of motor, and the motor passes through pedestal mounting on U type frame, evenly installs in the pivot and shreds the unit, is equipped with the air-blowing unit on the U type frame, and traction unit is installed to the right-hand member of bottom plate.
The middle part of the bottom plate is uniformly provided with the cutter grooves from front to back, the cutter grooves are provided with V-shaped flexible frames, and the cutter grooves and the V-shaped flexible frames are arranged to reduce the damage of the edge part of the shredding cutter.
The delay unit comprises two connecting plates, a first electric roller, a rotating cylinder and a resistance increasing mechanism, wherein the two connecting plates are installed on the bottom plate, the first electric roller is connected between the two connecting plates, the rotating cylinder is installed on the first electric roller, and the resistance increasing mechanism is evenly arranged on the rotating cylinder along the circumferential direction of the rotating cylinder.
The film conveying device comprises a first electric roller, a second electric roller, a rotating cylinder, an arc resistance-increasing layer, a compression spring and a supporting plate, wherein the first electric roller is arranged on the supporting plate and rotates anticlockwise, the rotating cylinder is arranged on the supporting plate, the arc resistance-increasing layer is in close contact with the upper end face of the film, and the compression spring is arranged on the supporting plate and is used for compressing the film.
The shredding unit comprises a combined lower block, a combined upper block, a locking column, a positioning group, a scale indicating needle, a main air cavity, a shunting cavity and a shredding mechanism, the combined upper block is connected with the combined lower block through the locking column, the positioning group is arranged in the middle of the combined upper block, the scale indicating needle is installed at the rear end of the combined upper block, the main air cavity is formed in the middle of the combined lower block, the shunting cavities are symmetrically formed in the left end and the right end of the combined lower block, and the shredding mechanism is arranged at the lower end of the combined lower block.
The concrete during operation, when needing to readjust and shredding the unit position, thereby only need correspond the position of confirming shredding the unit according to the position between scale pointer and the scale mark, afterwards, will merge the piece down, merge the piece and merge, through the locking post locking, afterwards, rotate the screw thread post and hug closely the upper end at the pivot until increasing the resistance chassis, thereby carry out the secondary location, after the piece membrane passes, it descends until the shredding knife cuts off the piece membrane to drive U type frame through telescopic cylinder, it sways to reciprocate the little amplitude of pivot through the motor, thereby shred the piece membrane in the transport, shred the in-process, thereby blow through shredding mechanism's air and clear up the crushed aggregates on the piece membrane.
The air-blowing unit comprises an air pump and a connecting pipe, the connecting pipe is connected between main air cavities on adjacent lower combined blocks, the main air cavities of the lower combined blocks arranged on the rear side are connected with the air pump through a conveying pipe, the air pump is installed on the outer side wall of the U-shaped frame, during specific work, under the connection of the connecting pipe, air is blown into each main air cavity in sequence through the air pump and then is sprayed out from the shunting cavity, and accordingly crushed aggregates on the film are cleaned.
The traction unit comprises a first electric slider, a second electric roller, a traction cylinder, a placing groove, a second electric slider, a cutting knife, a pressing mechanism and a sliding frame, wherein the first electric slider is arranged on a bottom plate, the sliding frame is arranged on the first electric slider, the second electric roller is arranged on the sliding frame, the traction cylinder is arranged on the second electric roller, the placing groove is arranged at the left end of the traction cylinder, the second electric slider is arranged at the left end of the placing groove, the cutting knife is arranged on the second electric slider, the pressing mechanism is arranged at the right end of the placing groove, when the traction unit works, the free end of a film is placed into the placing groove, the pressing plate is driven to press downwards by a pressing cylinder so as to clamp the free end of the film, then the clamped film is driven to be pulled rightwards by the first electric slider so that the film is in a tensioned state, the film is driven by the second electric roller to be wound so that cut filaments are wound on the traction cylinder, because the free end of the film is in a clamping state and is not in a threadlike state, the connection still exists between the cut wires, and after the cut wires are wound, the second electric slide block is needed to drive the cutting knife to move, so that the free end of the film is cut off, and the connection between the cut wires is avoided.
Preferably, the resistance increasing mechanism comprises an arc resistance increasing layer and a compression spring, an inner groove is uniformly formed in the rotating cylinder along the circumferential direction of the rotating cylinder, the inner groove is connected with the arc resistance increasing layer in a sliding fit mode, and the compression spring is connected between the two ends of the arc resistance increasing layer and the inner groove.
Preferably, the rotating shaft is provided with scale marks, the upper combining block and the lower combining block are combined to form a combining block, the combining block and the rotating shaft are sleeved in an embedded mode, the lower end of the locking column is in threaded fit connection with the lower combining block, and the middle of the locking column is in threaded fit connection with the upper combining block.
Preferably, the positioning set comprises a threaded column and a resistance increasing chassis, the threaded column is in threaded fit connection with the middle part of the upper end of the combined upper block, the lower end of the threaded column is in rotational fit connection with the resistance increasing chassis, the threaded column and the resistance increasing chassis are in rotational connection, and the lower end face of the resistance increasing chassis is in a fit state with the upper end face of the rotating shaft.
Preferably, the shredding mechanism comprises a buffer rod, a buffer spring and a shredding cutter, the lower end of the combined lower block is provided with a buffer groove, the upper ends of the buffer groove and the buffer rod are connected with the buffer spring, and the shredding cutter is installed at the lower end of the buffer rod.
Preferably, the knife edge part at the lower end of the shredding knife is of an arc-shaped structure.
Preferably, the pressing mechanism comprises a pressing cylinder and a pressing plate, the pressing cylinder is mounted on the placing groove, the pressing plate is mounted at the ejection end of the pressing cylinder, and the rubber layer is laid on the lower end face of the pressing plate.
The invention has the beneficial effects that:
according to the preparation process of the polyethylene plastic woven filament material for the woven bag, the design concept of the adjustable filament cutting unit is adopted, the position change can better adapt to the filament cutting width required by the current work, meanwhile, the elastic resistance increasing is carried out on the sheet membrane in conveying, the tightness of the sheet membrane in conveying is improved, and the filament cutting of the sheet membrane is facilitated;
the delay unit plays a role in pulling back and tightening a film conveyed to the right through the close contact between the arc resistance increasing layer and the film and the elastic action of the compression spring, so that the film can be cut into threads;
the position of the shredding unit can be adjusted on the rotating shaft, so that the distance between the shredding units can be adjusted, the small-amplitude reciprocating swinging buffer type cutting is performed on the film through the shredding cutter, the condition of a small amount of position connection between adjacent shredded yarns is greatly reduced, and the crushed materials on the film are favorably cleaned by matching with an air blowing mode.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of a process for preparing a polyethylene plastic woven filament material for woven bags;
FIG. 2 is an overall cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view (from right to left) of the bottom plate, the telescopic cylinder, the U-shaped frame, the rotating shaft, the motor, the shredding unit and the air blowing unit of the present invention;
fig. 4 is a sectional view between the rotating shaft and the thread cutting unit according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 4, a process for preparing a polyethylene plastic woven wire material for woven bags, which uses a shredding device comprising a base plate 1, a delay unit 2, a telescopic cylinder 3, a U-shaped frame 4, a rotating shaft 5, a motor 6, a shredding unit 7, an air blowing unit 8 and a traction unit 9, comprises the following steps:
s1, preparing a sheet film: the raw materials are melted, filtered and extruded into a sheet film, and then the sheet film is cooled and dried;
s2, clamping and conveying: the manufactured piece of film is pulled rightwards, the free end of the piece of film is clamped through a pressing mechanism 97, the piece of film is driven by a second electric roller 92 to be conveyed rightwards at a low speed, and the piece of film is conveyed in a tightening manner under the coordination of a delay unit 2;
s3, shredding: during conveying, the sheet film is subjected to equal-interval shredding treatment through the descending shredding unit 7, so that cut filaments are formed, and the cut filaments are wound on the traction cylinder 93 under the rotation of the second electric roller 92;
s4, molding: and heating, stretching and cooling the split yarn to obtain the woven yarn.
The middle part of the bottom plate 1 is uniformly provided with the cutter grooves from front to back, the cutter grooves are provided with V-shaped flexible frames, and the cutter grooves and the V-shaped flexible frames are arranged to reduce the damage of the cutter edge part of the shredding cutter 783.
The delay unit 2 comprises two connecting plates 21, a first electric roller 22, a rotating cylinder 23 and resistance-increasing mechanisms 24, wherein the two connecting plates 21 are installed on the bottom plate 1, the first electric roller 22 is connected between the two connecting plates 21, the rotating cylinder 23 is installed on the first electric roller 22, the resistance-increasing mechanisms 24 are evenly arranged on the rotating cylinder 23 along the circumferential direction of the rotating cylinder, each resistance-increasing mechanism 24 comprises an arc-shaped resistance-increasing layer 241 and a compression spring 242, inner grooves are evenly formed in the rotating cylinder 23 along the circumferential direction of the rotating cylinder and are connected with the arc-shaped resistance-increasing layers 241 in a sliding fit mode, compression springs 242 are connected between the two ends of the arc-shaped resistance-increasing layers 241 and the inner grooves, when the delay unit works, the first electric roller 22 rotates anticlockwise to assist sheet films to be conveyed rightwards, the rotating speed and the rotating direction of the first electric roller 22 and the second electric roller 92 are consistent, and in the synchronous rotation process of the rotating cylinder 23, the arc-shaped resistance-increasing layers, under the elastic action of the compression spring 242, the condition that the sheet film is conveyed to the right too fast to cause conveying collapse is reduced.
The shredding unit 7 comprises a combining lower block 71, a combining upper block 72, a locking column 73, a positioning group 74, a scale indicating needle 75, a main air cavity 76, a diversion cavity 77 and a shredding mechanism 78, the combining upper block 72 is connected with the combining lower block 71 through the locking column 73, the positioning group 74 is arranged in the middle of the combining upper block 72, the scale indicating needle 75 is installed at the rear end of the combining upper block 72, the main air cavity 76 is formed in the middle of the combining lower block 71, the diversion cavities 77 are symmetrically formed in the left end and the right end of the combining lower block 71, the shredding mechanism 78 is arranged at the lower end of the combining lower block 71, when the shredding unit 7 needs to be readjusted in specific work, the position of the shredding unit 7 is determined according to the position correspondence between the scale indicating needle 75 and scale marks, then the combining lower block 71 and the combining upper block 72 are combined and locked through the locking column 73, then, the thread column 741 is rotated until the resistance-increasing chassis 742 is tightly attached to the upper end of the, thereby carry out the secondary positioning, after the piece membrane passes, drive U type frame 4 through telescopic cylinder 3 and descend until shredding knife 783 cuts off the piece membrane, drive the reciprocal small range of pivot 5 through motor 6 and sway to shred the piece membrane in carrying, thereby shred the in-process, thereby the air-blowing through shredding mechanism 78 clears up the crushed aggregates on the piece membrane.
The utility model discloses a locking device, including pivot 5, piece 71, locking post 73, the piece 72 is gone up in the combination, the piece is formed to the combination after the combination to pivot 5 on be equipped with the scale mark, the combination is gone up the piece 72, the combination is down the piece 71 and is combined the piece and is established for embedded cover between 5, embedded cover is established and is prevented to combine the condition that the angle dislocation deflected to appear between piece and the pivot 5, be screw-thread fit connection between the lower extreme of locking post 73 and the piece 71 under the combination, be screw-thread fit connection between the middle part of locking post 73 and the piece 72 on combining, locking post 73 sets up and plays the effect of locking.
The positioning set 74 comprises a threaded column 741 and a resistance increasing chassis 742, the threaded column 741 is in threaded fit connection with the middle of the upper end of the combined upper block 72, the lower end of the threaded column 741 is in rotational fit connection with the resistance increasing chassis 742, and the threaded column 741 and the resistance increasing chassis 742 are in rotational connection, so that the situation that the resistance increasing chassis 742 rotates along with the threaded column 741 in a spiral descending manner is avoided, friction damage occurs to the upper end face of the resistance increasing chassis 742 and the upper end face of the rotating shaft 5 along with the rotation, and the lower end face of the resistance increasing chassis 742 and the upper end face of the rotating shaft 5 are in a fit state, so that a tightening effect is achieved.
The air blowing unit 8 comprises an air pump 81 and a connecting pipe 82, the connecting pipe 82 is connected between the main air cavities 76 on the adjacent lower combined blocks 71, the main air cavities 76 of the lower combined blocks 71 arranged at the rearmost side are connected with the air pump 81 through conveying pipes, the air pump 81 is installed on the outer side wall of the U-shaped frame 4, and in specific work, under the connection of the connecting pipe 82, air is blown into the main air cavities 76 in sequence through the air pump 81 and then is sprayed out of the flow dividing cavities 77, so that crushed aggregates on the film sheets are cleaned.
The traction unit 9 comprises a first electric slider 91, a second electric roller 92, a traction barrel 93, a placing groove 94, a second electric slider 95, a cutting knife 96, a pressing mechanism 97 and a sliding frame 98, wherein the first electric slider 91 is arranged on the bottom plate 1, the sliding frame 98 is arranged on the first electric slider 91, the second electric roller 92 is arranged on the sliding frame 98, the traction barrel 93 is arranged on the second electric roller 92, the placing groove 94 is arranged at the left end of the traction barrel 93, the second electric slider 95 is arranged at the left end of the placing groove 94, the cutting knife 96 is arranged on the second electric slider 95, the pressing mechanism 97 is arranged at the right end of the placing groove 94, when the traction unit works specifically, the free end of the film is placed into the placing groove 94, the pressing plate 972 is driven to be pressed downwards through the pressing cylinder 971 so as to clamp the free end of the film, then the clamped film is driven to be pulled rightwards through the first electric slider 91 so as to enable the film to be in a tight state, the second electric roller 92 drives the film to wind, so that the cut filaments are wound on the traction cylinder 93, the free end of the film is in a clamping state and is not in a filament shape, connection still exists between the cut filaments, after the cut filaments are wound, the second electric slider 95 is required to drive the cut-off knife 96 to move, so that the free end of the film is cut off, connection between the cut filaments is avoided, the pressing mechanism 97 comprises a pressing air cylinder 971 and a pressing plate 972, the pressing air cylinder 971 is installed on the placing groove 94, the pressing plate 972 is installed at the ejection end of the pressing air cylinder 971, a rubber layer is laid on the lower end face of the pressing plate 972, and clamping force is increased.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a braided bag is with polyethylene plastic weaving silk material preparation technology, it has used one kind and has shredded equipment, should shred the equipment and include bottom plate (1), delay element (2), telescopic cylinder (3), U type frame (4), pivot (5), motor (6), shred unit (7), air-blowing unit (8) and traction unit (9), its characterized in that: the preparation process of the polyethylene plastic woven wire material for the woven bag by adopting the wire cutting equipment comprises the following steps:
s1, preparing a sheet film: the raw materials are melted, filtered and extruded into a sheet film, and then the sheet film is cooled and dried;
s2, clamping and conveying: the manufactured piece of film is pulled rightwards, the free end of the piece of film is clamped through a pressing mechanism (97), the piece of film is driven by a second electric roller (92) to be conveyed rightwards at a low speed, and the piece of film is conveyed in a tightening mode under the coordination of a delay unit (2);
s3, shredding: during conveying, the sheet membrane is subjected to equal-interval shredding treatment through the descending shredding unit (7), so that shredded fibers are formed, and the shredded fibers are wound on a traction cylinder (93) under the rotation of a second electric roller (92);
s4, molding: heating, stretching and cooling the cut filaments to obtain woven filaments;
the delay unit (2) is installed at the left end of the bottom plate (1), the telescopic cylinders (3) are symmetrically installed at the front end and the rear end of the middle part of the bottom plate (1), the U-shaped frame (4) is installed at the ejection ends of the telescopic cylinders (3), the U-shaped frame (4) is connected with the rotating shaft (5) through bearings, the rear end of the rotating shaft (5) is connected with an output shaft of the motor (6), the motor (6) is installed on the U-shaped frame (4) through a base, the shredding units (7) are evenly installed on the rotating shaft (5), the air blowing units (8) are arranged on the U-shaped frame (4), and the traction unit (9) is installed at the right end of;
the middle part of the bottom plate (1) is uniformly provided with cutter grooves from front to back, and the cutter grooves are provided with V-shaped flexible frames;
the delay unit (2) comprises two connecting plates (21), a first electric roller (22), a rotating cylinder (23) and resistance increasing mechanisms (24), the two connecting plates (21) are installed on the bottom plate (1), the first electric roller (22) is connected between the two connecting plates (21), the rotating cylinder (23) is installed on the first electric roller (22), and the resistance increasing mechanisms (24) are uniformly arranged on the rotating cylinder (23) along the circumferential direction of the rotating cylinder;
the shredding unit (7) comprises a combined lower block (71), a combined upper block (72), a locking column (73), a positioning group (74), a scale indicating needle (75), a main air cavity (76), a diversion cavity (77) and a shredding mechanism (78), the combined upper block (72) is connected with the combined lower block (71) through the locking column (73), the positioning group (74) is arranged in the middle of the combined upper block (72), the scale indicating needle (75) is installed at the rear end of the combined upper block (72), the main air cavity (76) is formed in the middle of the combined lower block (71), the diversion cavities (77) are symmetrically formed in the left end and the right end of the combined lower block (71), and the shredding mechanism (78) is arranged at the lower end of the combined lower block (71);
the air blowing unit (8) comprises an air pump (81) and a connecting pipe (82), the connecting pipe (82) is connected between the main air cavities (76) on the adjacent combined lower blocks (71), the main air cavity (76) of the combined lower block (71) arranged at the rearmost side is connected with the air pump (81) through a conveying pipe, and the air pump (81) is installed on the outer side wall of the U-shaped frame (4);
traction unit (9) include first electronic slider (91), electronic roller of second (92), pull a section of thick bamboo (93), standing groove (94), electronic slider of second (95), cutting off cutter (96), pressing mechanism (97) and carriage (98), first electronic slider (91) are installed on bottom plate (1), be equipped with carriage (98) on electronic slider of first (91), install electronic roller of second (92) on carriage (98), install on electronic roller of second (92) and pull a section of thick bamboo (93), standing groove (94) have been seted up to the left end of pulling a section of thick bamboo (93), electronic slider of second (95) is installed to the left end of standing groove (94), be equipped with cutting off cutter (96) on electronic slider of second (95), pressing mechanism (97) are installed to the right-hand member of standing groove (94).
2. The preparation process of the polyethylene plastic braided wire material for the woven bag according to claim 1, is characterized in that: resistance-increasing mechanism (24) include arc resistance-increasing layer (241) and compression spring (242), rotate a section of thick bamboo (23) and go up along its circumference and evenly seted up the inner groovy, the inner groovy is connected with arc resistance-increasing layer (241) through sliding fit's mode, even there is compression spring (242) between the both ends of arc resistance-increasing layer (241) and the inner groovy.
3. The preparation process of the polyethylene plastic braided wire material for the woven bag according to claim 1, is characterized in that: the rotary shaft (5) is provided with scale marks, the upper combining block (72) and the lower combining block (71) are combined to form a combining block, the combining block and the rotary shaft (5) are sleeved in an embedded mode, the lower end of the locking column (73) is connected with the lower combining block (71) in a threaded fit mode, and the middle of the locking column (73) is connected with the upper combining block (72) in a threaded fit mode.
4. The preparation process of the polyethylene plastic braided wire material for the woven bag according to claim 1, is characterized in that: the positioning set (74) comprises a threaded column (741) and a resistance increasing chassis (742), the threaded column (741) is in threaded fit connection with the middle of the upper end of the combined upper block (72), the lower end of the threaded column (741) is in rotational fit connection with the resistance increasing chassis (742), and the lower end face of the resistance increasing chassis (742) is in a fit state with the upper end face of the rotating shaft (5).
5. The preparation process of the polyethylene plastic braided wire material for the woven bag according to claim 1, is characterized in that: shredding mechanism (78) including buffer bar (781), buffer spring (782) and shredding knife (783), the dashpot has been seted up to the lower extreme that merges lower piece (71), the dashpot even has buffer spring (782) with the upper end of buffer bar (781), shredding knife (783) is installed to the lower extreme of buffer bar (781).
6. The process for preparing the polyethylene plastic woven filament material for the woven bag according to claim 5, wherein the process comprises the following steps: the knife edge part at the lower end of the shredding knife (783) is of an arc-shaped structure.
7. The preparation process of the polyethylene plastic braided wire material for the woven bag according to claim 1, is characterized in that: pressing mechanism (97) including suppression cylinder (971) and pressboard (972), install suppression cylinder (971) on standing groove (94), pressboard (972) is installed to the ejecting end of suppression cylinder (971), the rubber layer is laid to the lower terminal surface of pressboard (972).
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| CN202011074604.2A CN112111800B (en) | 2020-10-09 | 2020-10-09 | Preparation process of polyethylene plastic woven wire material for woven bag |
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| CN112111800B true CN112111800B (en) | 2021-06-04 |
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| US7503887B2 (en) * | 1997-06-19 | 2009-03-17 | Wanda M. Weder | Method and apparatus for making curled decorative grass |
| DK1155177T3 (en) * | 1999-01-12 | 2006-04-03 | Hunter Douglas | Non-woven fabrics |
| CN106671479B (en) * | 2016-05-20 | 2019-03-12 | 天津同祺科技有限公司 | A kind of woven bag bag-making method and the woven bag bag making device using this method |
| CN108570171A (en) * | 2017-03-13 | 2018-09-25 | 武穴市恒龙塑业有限公司 | A kind of Polywoven Bag and preparation method thereof |
| CN107723842B (en) * | 2017-10-30 | 2019-02-05 | 枣阳市东航塑编彩印有限公司 | A kind of woven bag flat filament and preparation method thereof |
| CN110591199A (en) * | 2019-09-04 | 2019-12-20 | 安徽颍上县天成印业包装有限公司 | Expandable graphite flame-retardant polyethylene material for woven bags |
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