CN117816487B - Device and method for coating film in composite plastic woven bag - Google Patents
Device and method for coating film in composite plastic woven bag Download PDFInfo
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- CN117816487B CN117816487B CN202410251923.8A CN202410251923A CN117816487B CN 117816487 B CN117816487 B CN 117816487B CN 202410251923 A CN202410251923 A CN 202410251923A CN 117816487 B CN117816487 B CN 117816487B
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- 239000007788 liquid Substances 0.000 claims abstract description 254
- 239000000463 material Substances 0.000 claims abstract description 107
- 239000007888 film coating Substances 0.000 claims abstract description 55
- 238000009501 film coating Methods 0.000 claims abstract description 55
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000001179 sorption measurement Methods 0.000 claims description 40
- 238000003825 pressing Methods 0.000 claims description 38
- 239000012528 membrane Substances 0.000 claims description 31
- 238000004140 cleaning Methods 0.000 claims description 28
- 238000001035 drying Methods 0.000 claims description 25
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- 238000007731 hot pressing Methods 0.000 claims description 3
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- 238000005213 imbibition Methods 0.000 description 3
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Abstract
The invention discloses a device and a method for coating a film in a composite plastic woven bag, and belongs to the field of woven bag film coating. The coating device in the composite plastic woven bag comprises a coating box, wherein a coating roller is rotationally connected to the coating box, the rotating shaft ends of the two groups of coating rollers are in transmission connection through a steering gear set, an upper liquid supply box and a lower liquid supply box are respectively fixed on the upper part and the lower part of a cavity of the coating box, and one sides of the upper liquid supply box and the lower liquid supply box, which are close to the coating roller, are arc-shaped; according to the invention, the extrusion effect of the upper and lower groups of counter-rotating coating rollers is utilized to realize double-sided coating of the plastic woven bag, and the liquid-extracting blades are driven to rotate through the liquid-outlet rotating shaft, so that the film materials of the upper liquid-supply box and the lower liquid-supply box are mixed, and the coating effect is improved; and the film materials consumed by the upper liquid supply box and reflowed to the lower liquid supply box are supplemented, so that continuous feeding of the upper liquid supply box is completed, liquid supply circulation is realized, double-sided film coating is completed, and film coating effect is improved.
Description
Technical Field
The invention relates to the technical field of woven bag coating, in particular to a device and a method for coating a film in a composite plastic woven bag.
Background
Plastic woven bags are widely used for packaging fertilizer, chemical products, agricultural products and other articles at present. When the plastic is used for weaving some special articles in bags, the plastic bag needs to have the functions of moisture resistance and water resistance. The inner coating of the composite plastic woven bag means that a layer of film is coated in the plastic woven bag to enhance the waterproof performance and durability of the bag, thereby meeting the use requirement.
The utility model provides a publication number is "CN216261631U" patent, the name is a two-sided device of filming of plastic woven bag, including the backup pad, the backup pad top is equipped with first support column, first support column outer wall is equipped with coating roller, servo motor and coating groove, the coating groove outer wall is equipped with the discharge gate, the discharge gate inner wall is equipped with the baffle, the discharge gate outer wall is equipped with the brush, the coating groove inner wall is equipped with promotes the stopper, it is equipped with to promote the stopper outer wall, it is equipped with the rack to promote the post outer wall, the rack outside is equipped with irregular gear, irregular gear outer wall is equipped with first pivot. The device can be even with the coating agent scribble at the paint roller outer wall to make the paint roller even scribble the coating agent at the weaving raw materials outer wall, reach even effect of film, can carry out the operation of film coating to the upper and lower surface of weaving the raw materials simultaneously, improve the work efficiency of film coating, can intermittently scribble the coating agent to the paint roller outer wall, the use of rational control coating agent avoids extravagant, improves resource utilization.
For the prior patent, the quality of the coating agent dipped by a brush is limited, the coating agent cannot be fully coated on the surface of a plastic woven bag, the coating agent is difficult to be effectively adhered on the woven bag only by coating of a coating roller, the coating agent in the upper and lower coating tanks is relatively static, and most of the coating agent is formed by mixing a plurality of materials, and after long-time standing, the conditions of layering or coagulating sedimentation of the materials possibly exist, so that the use effect of the coating agent is reduced; but also lacks the cleaning before coating the plastic woven bag and the drying after coating, thereby reducing the coating quality and the comprehensive production efficiency of the plastic woven bag. Therefore, a device and a method for coating films in the composite plastic woven bags are provided.
Disclosure of Invention
The invention aims to solve the problem that the prior art cannot ensure that a film coating agent is fully coated and adhered on the surface of a plastic woven bag; the film coating agent is relatively static, and layering or coagulation and precipitation are easy to occur; and the problems of reduced coating effect and production efficiency caused by cleaning before coating and drying after coating the plastic woven bag are solved.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a device of film in compound plastic woven sack, includes film case, film incasement rotation is connected with the coating roller, the coating roller symmetry is provided with two sets of, and two sets of pass through steering gear group transmission connection between the pivot tip of coating roller, film case cavity upper and lower part is fixed with respectively and supplies liquid case and lower liquid case, it is the arc setting to go up one side that liquid case and lower liquid case are close to the coating roller, it has last liquid pipe to go up liquid case bottom both sides all to communicate, lower liquid hole has been seted up to liquid case top down, still include: the liquid supply circulation mechanism is arranged on the film coating box and is used for enabling film coating materials in the upper liquid supply box and the lower liquid supply box to circulate; the cleaning component is arranged on the film coating box and is used for cleaning the surface of the plastic woven bag before film coating; and the hot drying mechanism is arranged on the film coating box and is used for hot-pressing and drying the surface of the plastic woven bag after film coating.
In order to realize the double-sided coating, preferably, liquid supply circulation mechanism includes imbibition pivot and play liquid pivot, imbibition pivot and lower feed tank inner wall rotate to be connected, play liquid pivot and last feed tank inner wall rotate to be connected, it is connected with reduction gear group to coat film tank lateral wall fixedly connected with, meshing between the tip of imbibition pivot and the reduction gear group, be connected through the drive pulley transmission between the tip of reduction gear group and play liquid pivot, coat film tank lateral wall fixedly connected with drawing liquid box and drain box respectively, through first pipe intercommunication between drawing liquid box and the drain box, just first pipe is close to the one end inside of drawing liquid box and is provided with the check valve, drawing liquid box and play liquid pivot inner chamber intercommunication, play liquid pivot and last feed tank inner chamber intercommunication, and be located drawing liquid box the play liquid pivot tip fixedly connected with drawing liquid blade, drain box and liquid pivot inner chamber intercommunication, liquid pivot and lower feed tank inner chamber intercommunication, box top fixedly connected with driving motor, be connected with through first belt transmission between driving motor's output shaft and the pivot respectively, be connected through the first belt transmission group between drawing liquid roller and the second coating liquid end portion through the coating film roll.
Further, the side wall of the liquid suction rotating shaft is fixedly connected with stirring blades, and drag reduction grooves are formed in the side wall of the stirring blades at equal intervals.
In order to improve the coating quality, preferably, the coating roll is internally provided with a film pressing groove in an annular equidistant manner, the film pressing groove is internally provided with a limiting clamping groove, a first magnetic block is connected in the limiting clamping groove in a sliding manner, two groups of mutually symmetrical first magnetic blocks are magnetically repelled, one sides of the upper liquid supply tank and the lower liquid supply tank, which are close to the coating roll, are fixedly connected with second magnetic blocks, and the second magnetic blocks are magnetically repelled with the first magnetic blocks.
In order to improve the efficiency of coating film, preferably, the equal sliding connection in upper liquid feed case inner chamber both sides have the piston briquetting, both sides fixedly connected with reset spring between the piston briquetting, and two sets of one side that the piston briquetting is close to each other is symmetrical slope setting, is located upper liquid feed case department second magnetic path middle part sliding connection has the third magnetic path, magnetism repulsion between third magnetic path and the first magnetic path, just the third magnetic path runs through to upper liquid feed incasement and fixedly connected with wedge ejector pad, laminating slip between wedge ejector pad and the both sides piston briquetting.
In order to improve the effect of coating film, preferably, the clearance subassembly includes the clearance storehouse, clearance storehouse and the case lateral wall fixed connection that coats film, fixedly connected with adsorbs the storehouse in the clearance storehouse, it is provided with two sets of to adsorb the storehouse symmetry, two sets of through the second pipe intercommunication between the adsorption storehouse, clearance storehouse lateral wall fixedly connected with friction storehouse, driving motor's output shaft runs through to friction storehouse in and fixedly connected with adsorption vane, friction storehouse top intercommunication has the third pipe, the one end and the clearance storehouse inner chamber intercommunication in friction storehouse are kept away from to the third pipe, just be provided with the mesh filter screen in the port that the third pipe is close to the clearance storehouse.
In order to improve the drying speed of the film materials, preferably, the hot drying mechanism comprises a pressing bin, the pressing bin is fixedly connected with the side wall of a film coating box, three groups of pressing rollers are rotationally connected in the pressing bin, the end parts of the adsorption blades are fixedly connected with friction plates, the friction plates are attached to the inner wall of the friction bin and slide, gas collecting boxes are fixedly connected to the two sides of the pressing bin, the gas collecting boxes are communicated with the inner cavities of the pressing rollers, a fourth guide pipe is communicated with the side wall of the gas collecting boxes on the same side as the friction bin, and one end of the fourth guide pipe, which is far away from the gas collecting boxes, is communicated with the inner cavities of the friction bin.
In order to improve the fluidity of the film material, preferably, the bottom of the liquid extraction box is fixedly connected with a heat supply box, the two sides of the heat supply box are communicated with each other, a fifth guide pipe is communicated with the side wall of the gas collection box on the same side of the heat supply box, one end of the fifth guide pipe, which is far away from the gas collection box, is communicated with the inner cavity of the heat supply box, the two ends of the heat supply box are communicated with heat outlet pipes, the two sides of the heat outlet pipes are symmetrically arranged, and the output end of the heat outlet pipes is opposite to the side wall of the liquid extraction box.
In order to improve the utilization rate of the film material, preferably, a reflux groove is arranged below the inner cavity of the pressing bin and is communicated with the inner cavity of the lower liquid supply box.
The coating method in the composite plastic woven bag comprises the following steps:
S1, cleaning the surface of a plastic woven bag;
S2, coating a film material on the surface of the cleaned plastic woven bag;
s3, mixing the membrane materials and enabling the membrane materials to flow up and down to realize circulating liquid supply;
S4, drying the plastic woven bag coated with the film material while pressing the plastic woven bag.
Compared with the prior art, the invention provides a coating device and a coating method in a composite plastic woven bag, which have the following beneficial effects:
1. According to the coating device in the composite plastic woven bag, double-sided coating of the plastic woven bag is realized by utilizing the extrusion action of the upper and lower sets of counter-rotating coating rollers, and the liquid suction blades are driven to rotate by the liquid outlet rotating shaft, so that the coating materials of the upper liquid supply box and the lower liquid supply box are mixed, and the coating effect is improved; and the film materials consumed by the upper liquid supply box and reflowed to the lower liquid supply box are supplemented, so that continuous feeding of the upper liquid supply box is completed, liquid supply circulation is realized, double-sided film coating is completed, and film coating effect is improved.
2. According to the coating device in the composite plastic woven bag, the first magnetic block and the second magnetic block repel each other, so that extrusion of the surface of the plastic woven bag is realized in the process of coating by rotating the coating roller, the film material is tightly adhered to the surface of the plastic woven bag, and the coating quality is improved.
3. According to the coating device in the composite plastic woven bag, through the suction effect generated by rotation of the adsorption blades, adsorption force is generated at the port of the adsorption bin, so that dust impurities attached to the surface of the plastic woven bag are sucked away, the surface of the plastic woven bag is cleaned, the surface of the plastic woven bag is tidy, and the adhesion effect of the subsequent coating film material is ensured.
4. According to the coating device in the composite plastic woven bag, the friction plate and the inner wall of the friction bin are jointed and rotated to generate heat which is conveyed into the pressing roller under the action of the gas flowing generated by the rotation of the adsorption blade, so that the heating and drying of the plastic woven bag film material in the pressing process are realized, and the drying speed of the plastic woven bag film material is improved; and the heat is acted on the membrane material in the liquid extraction box through the fifth guide pipe, so that the mobility of the membrane material in the liquid extraction box is enhanced, the circulating flow and the discharging are convenient, and the recycling efficiency of the membrane material is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a coating device in a composite plastic woven bag according to the present invention;
FIG. 2 is a schematic diagram showing the overall structure of a coating device in a composite plastic woven bag in side view;
FIG. 3 is a schematic side view of a coating device in a composite plastic woven bag according to the invention;
fig. 4 is a schematic view of a partial enlarged structure of fig. 3 of a coating device in a composite plastic woven bag according to the present invention;
FIG. 5 is a schematic diagram of a side view partially in section of a coating device in a composite plastic woven bag according to the present invention;
FIG. 6 is a schematic view of the enlarged partial structure of FIG. 5 of a coating device in a composite plastic woven bag according to the present invention;
fig. 7 is a schematic diagram of the internal structure of a pressing bin of the coating device in the composite plastic woven bag;
FIG. 8 is a schematic view of the internal structure of a heating box of the coating device in the composite plastic woven bag;
fig. 9 is a schematic diagram of a structure of a reduction gear set of the coating device in a composite plastic woven bag.
In the figure: 1. a film coating box; 2. a coating roller; 21. a steering gear set; 22. a film pressing groove; 23. a limit clamping groove; 24. a first magnetic block; 25. a second magnetic block; 3. an upper liquid supply tank; 31. an upper liquid supply pipe; 32. a piston pressing block; 33. a return spring; 34. a third magnetic block; 35. wedge-shaped push blocks; 4. a lower liquid supply tank; 41. a lower liquid supply hole; 5. a liquid supply circulation mechanism; 51. a liquid suction rotating shaft; 511. an agitating blade; 52. a liquid outlet rotating shaft; 53. a reduction gear set; 531. a reduction pulley; 54. a liquid extraction box; 541. a first conduit; 542. a liquid suction blade; 55. a liquid guide box; 56. a driving motor; 561. a first belt group; 562. a second belt group; 6. cleaning the assembly; 61. cleaning the bin; 62. an adsorption bin; 621. a second conduit; 63. a friction bin; 631. a third conduit; 64. adsorption blades; 7. a hot drying mechanism; 71. pressing the bin; 72. a pressing roller; 73. a friction plate; 74. a gas collection box; 75. a fourth conduit; 76. a heating box; 761. a heat pipe; 77. a fifth conduit; 8. and a reflux groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Embodiment one:
Referring to fig. 1-9, a coating device in a composite plastic woven bag comprises a coating box 1, wherein coating rollers 2 are rotationally connected in the coating box 1, the coating rollers 2 are symmetrically provided with two groups, the rotating shaft ends of the two groups of coating rollers 2 are in transmission connection through a steering gear set 21, an upper liquid supply box 3 and a lower liquid supply box 4 are respectively fixed on the upper and lower parts of a cavity of the coating box 1, one sides of the upper liquid supply box 3 and the lower liquid supply box 4, which are close to the coating rollers 2, are arc-shaped, are matched with the coating rollers 2, both sides of the bottom of the upper liquid supply box 3 are communicated with an upper liquid supply pipe 31, an electromagnetic valve is arranged in the upper liquid supply pipe 31, and a lower liquid supply hole 41 is formed in the top of the lower liquid supply box 4, and the coating device further comprises: a liquid supply circulation mechanism 5, wherein the liquid supply circulation mechanism 5 is arranged on the film coating box 1 and is used for circulating the film coating materials in the upper liquid supply box 3 and the lower liquid supply box 4; the cleaning component 6 is arranged on the film coating box 1 and is used for cleaning the surface of the plastic woven bag before film coating; and the hot drying mechanism 7 is arranged on the film coating box 1 and is used for hot-pressing and drying the surface of the coated plastic woven bag.
Through the arrangement of the structure, the upper liquid supply box 3 and the lower liquid supply box 4 which are respectively arranged on the upper part and the lower part of the coating roller 2 are utilized to realize the feeding of the coating roller 2 on the upper part and the lower part of the plastic woven bag, and the extrusion effect of the upper group and the lower group of the counter-rotating coating rollers 2 is utilized to realize the double-sided coating of the plastic woven bag, so that the coating effect is improved; the arrangement of the liquid supply circulation mechanism 5 is matched, so that the film material circulation of the upper liquid supply tank 3 and the lower liquid supply tank 4 is realized, the film material mixing effect is ensured, and the film coating quality is improved; through the setting of clearance subassembly 6, realize the clearance to plastic woven sack surface, improved the coating effect, the setting of cooperation hot dry mechanism 7 has accelerated the drying rate on plastic woven sack surface after the film, has improved production efficiency.
Referring to fig. 1-3 and 9, the liquid supply circulation mechanism 5 comprises a liquid suction rotating shaft 51 and a liquid outlet rotating shaft 52, the liquid suction rotating shaft 51 is rotationally connected with the inner wall of the lower liquid supply box 4, the liquid outlet rotating shaft 52 is rotationally connected with the inner wall of the upper liquid supply box 3, the side wall of the film coating box 1 is fixedly connected with a reduction gear set 53, the reduction gear set 53 adopts the prior mature technology, the reduction is realized through the mutual meshing transmission of a plurality of groups of gears with different sizes, the end part of the liquid suction rotating shaft 51 is meshed with the reduction gear set 53, the reduction gear set 53 is in transmission connection with the end part of the liquid outlet rotating shaft 52 through a reduction pulley 531, the side wall of the film coating box 1 is respectively fixedly connected with a liquid suction box 54 and a liquid guide box 55, the liquid suction box 54 is communicated with the liquid guide box 55 through a first conduit 541, the first conduit 541 is provided with a one-way valve inside one end close to the liquid suction box 54, the liquid suction box 54 is communicated with the inner cavity of the liquid outlet rotating shaft 52, the liquid outlet rotating shaft 52 is communicated with the inner cavity of the upper liquid supply box 3, the end part of the liquid outlet rotating shaft 52 positioned in the liquid suction box 54 is fixedly connected with a liquid suction blade 542, the liquid guide box 55 is communicated with the inner cavity of the liquid suction rotating shaft 51, the liquid suction rotating shaft 51 is communicated with the inner cavity of the lower liquid supply box 4, the top of the film coating box 1 is fixedly connected with a driving motor 56, an output shaft of the driving motor 56 is in transmission connection with the liquid outlet rotating shaft 52 through a first belt group 561, the liquid suction rotating shaft 51 is in transmission connection with the rotating shaft end part of the coating roller 2 through a second belt group 562, the side wall of the liquid suction rotating shaft 51 is fixedly connected with a stirring blade 511, and the side wall of the stirring blade 511 is provided with drag reduction grooves at equal intervals;
It should be noted that, the one-way valve in the first conduit 541 only allows the membrane material in the liquid guiding box 55 to enter the liquid extracting box 54;
Through the arrangement of the structure, in the process of rotating the liquid suction rotating shaft 51, the stirring blades 511 on the side wall of the liquid suction rotating shaft will stir the membrane materials in the lower liquid supply box 4, so as to ensure the mixing effect between the membrane materials, and avoid the condition that the membrane materials are coagulated and precipitated, in the process of rotating the liquid outlet rotating shaft 52, the liquid suction blades 542 are driven to rotate, so that the suction effect is generated in the liquid suction box 54, the one-way valve in the first conduit 541 is opened by the suction effect, and the membrane materials flowing into the liquid guide box 55 from the liquid suction rotating shaft 51 are sucked into the liquid suction box 54 upwards and flow into the upper liquid supply box 3 along the liquid outlet rotating shaft 52, so that the upper membrane materials and the lower membrane materials are mixed; when the first magnetic block 24 and the third magnetic block 34 are separated from the vertical state, the wedge-shaped push block 35 will move downwards to reset under the rebound action of the reset spring 33, and the piston press blocks 32 at two sides will be pulled back at the moment, so that a certain suction force is generated in the cavities at two sides of the upper liquid supply box 3, thereby sucking the film material in the liquid suction rotating shaft 51 into the upper liquid supply box 3 more quickly, and improving the feeding efficiency; in summary, the above-mentioned realization is to the upper liquid supply tank 3 consume and the back flow to the membrane material of lower liquid supply tank 4 supplement, accomplish last material loading to upper liquid supply tank 3, realize the liquid supply circulation, accomplish two-sided film coating, improved the film coating effect.
Referring to fig. 3 and 4, a film pressing groove 22 is annularly and equidistantly formed in the coating roller 2, a limiting clamping groove 23 is formed in the film pressing groove 22, first magnetic blocks 24 are connected in a sliding manner in the limiting clamping groove 23, two groups of first magnetic blocks 24 which are symmetrical to each other are magnetically repelled, a second magnetic block 25 is fixedly connected to one side, close to the coating roller 2, of the upper liquid supply tank 3 and the lower liquid supply tank 4, the second magnetic blocks 25 are magnetically repelled from the first magnetic blocks 24, piston press blocks 32 are slidingly connected to two sides of an inner cavity of the upper liquid supply tank 3, return springs 33 are fixedly connected between the piston press blocks 32 on two sides, one side, close to each other, of the two groups of piston press blocks 32 is symmetrically arranged in a slope manner, a third magnetic block 34 is slidingly connected to the middle part of the second magnetic block 25 at the upper liquid supply tank 3, the third magnetic block 34 is magnetically repelled from the first magnetic block 24, the third magnetic block 34 penetrates into the upper liquid supply tank 3 and is fixedly connected with a wedge-shaped pushing block 35, and the wedge-shaped pushing block 35 slides in a fitting manner between the wedge-shaped pushing block 35 and the piston press blocks 32 on two sides;
Through the arrangement of the structure, in the rotating process of the coating roller 2, the second magnetic block 25 can push the first magnetic block 24 in a vertical state to slide towards the surface of the plastic woven bag by utilizing the repulsive interaction of the first magnetic block 24 and the second magnetic block 25, and the sliding of the first magnetic block 24 can push the other first magnetic block 24 at the symmetrical side to squeeze the surface of the plastic woven bag, so that the film material is more tightly adhered to the surface of the plastic woven bag, and the coating quality is effectively improved; and the repulsive interaction of the third magnetic block 34 and the first magnetic block 24 is utilized, when the first magnetic block 24 and the third magnetic block 34 are in a vertical state, the first magnetic block 24 pushes the third magnetic block 34 to slide upwards, so that the wedge-shaped push block 35 pushes the piston press block 32 to slide to two sides, and the cavities at two sides of the upper liquid supply box 3 are extruded, so that the film material drops from the upper liquid supply pipe 31 more quickly, enough film material is adhered to the outer wall of the upper coating roller 2 more quickly, the film coating requirement of a plastic woven bag is fully met, and the film coating effect is improved; the excessive extruded film material drops on the bottom of the pressing bin 71 after being extruded by the pressing roller 72, and flows back into the lower liquid supply tank 4 through the reflux groove 8, so that the collection of the excessive film material is realized, the film coating effect is improved, and the loss of the film material is reduced.
Referring to fig. 2, 3, 5 and 6, the cleaning assembly 6 includes a cleaning bin 61, the cleaning bin 61 is fixedly connected with a side wall of the film coating box 1, an adsorption bin 62 is fixedly connected in the cleaning bin 61, the adsorption bins 62 are symmetrically provided with two groups, the two groups of adsorption bins 62 are communicated through a second conduit 621, the side wall of the cleaning bin 61 is fixedly connected with a friction bin 63, an output shaft of the driving motor 56 penetrates into the friction bin 63 and is fixedly connected with an adsorption blade 64, the top of the friction bin 63 is communicated with a third conduit 631, one end of the third conduit 631, which is far away from the friction bin 63, is communicated with an inner cavity of the cleaning bin 61, and a fine mesh filter screen is arranged in a port of the third conduit 631, which is close to the cleaning bin 61;
Through the arrangement of the structure, the rotating shaft of the driving motor 56 drives the adsorption blades 64 in the friction bin 63 to rotate, at the moment, the rotation of the adsorption blades 64 generates suction force on one side of the friction bin 63, and the suction force is transmitted into the adsorption bin 62 along the third guide pipe 631, so that the adsorption force is generated at the port of the adsorption bin 62 symmetrically arranged on two sides, dust impurities attached to the surface of the plastic woven bag are sucked away, and are collected in the adsorption bin 62 after being filtered by the fine filter screen in the third guide pipe 631, and the plastic woven bag is pulled to advance by the opening of the existing winding equipment, so that the surface of the plastic woven bag is cleaned, the surface of the plastic woven bag is tidy, and the adhesion effect of the subsequent coating film materials is ensured.
Referring to fig. 1 and 5-8, the hot drying mechanism 7 comprises a pressing bin 71, the pressing bin 71 is fixedly connected with the side wall of the film coating box 1, three groups of pressing rollers 72 are rotationally connected in the pressing bin 71, the end parts of the adsorption blades 64 are fixedly connected with friction plates 73, the friction plates 73 are attached to the inner wall of the friction bin 63 and slide, gas collecting boxes 74 are fixedly connected to the two sides of the pressing bin 71, the gas collecting boxes 74 are communicated with the inner cavities of the pressing rollers 72, a fourth guide pipe 75 is communicated with the side wall of the gas collecting box 74 on the same side as the friction bin 63, and one end, far away from the gas collecting box 74, of the fourth guide pipe 75 is communicated with the inner cavities of the friction bin 63;
through the arrangement of the structure, when the adsorption blades 64 rotate, the friction plates 73 are driven to rotate in a fitting manner with the inner wall of the friction bin 63, heat is generated in the friction bin 63 due to high-speed and continuous friction, and air flow in the friction bin 63 is sucked from the third guide pipe 631, the heat is taken into the air collecting box 74 along the fourth guide pipe 75, and then is dispersed into the three groups of pressing rollers 72, so that the pressing rollers 72 are heated, heating and drying in the plastic woven bag film material pressing process are realized, the drying speed of the plastic woven bag film material is improved, and the overall production efficiency is further improved.
Referring to fig. 1, 7 and 8, a heat supply box 76 is fixedly connected to the bottom of the liquid extraction box 54, the heat supply boxes 76 on two sides are communicated with each other, a fifth conduit 77 is communicated with the side wall of the gas collection box 74 on the same side as the heat supply box 76, one end of the fifth conduit 77, which is far away from the gas collection box 74, is communicated with the inner cavity of the heat supply box 76, two ends of the heat supply box 76 are communicated with heat outlet pipes 761, the heat outlet pipes 761 on two sides are symmetrically arranged, the output ends of the heat outlet pipes 761 are opposite to the side wall of the liquid extraction box 54, a reflux groove 8 is arranged below the inner cavity of the pressing bin 71, and the reflux groove 8 is communicated with the inner cavity of the lower liquid supply box 4;
Through the arrangement of the structure, heat passing through the laminating roller 72 continuously enters the heat supply box 76 along the fifth guide pipe 77, at the moment, the bottom of the liquid extraction box 54 is heated through the heat supply box 76, and finally the heat is sprayed to the side wall of the liquid extraction box 54 through the heat outlet pipe 761, so that the film material in the liquid extraction box 54 is effectively heated, the flowability of the film material in the liquid extraction box 54 is enhanced, the situation that the film material is too viscous and flows unsmoothly is avoided, the circulating flow and discharging are facilitated, and the recycling efficiency of the film material is improved; and the excessive extruded film material is extruded by the laminating roller 72, then drops to the bottom of the laminating bin 71, and flows back into the lower liquid supply tank 4 through the reflux groove 8, so that the collection of the excessive film material is realized, the film coating effect is improved, and meanwhile, the loss of the film material is reduced.
Referring to fig. 1 to 8, in the present invention, when in use, firstly, a plastic woven bag passes through the film coating box 1 and is fixed on the existing winding device, then, the driving motor 56 and the winding device are started at the same time, the rotating shaft of the driving motor 56 drives the adsorption blade 64 in the friction bin 63 to rotate, at the moment, the rotation of the adsorption blade 64 generates a suction effect on one side of the friction bin 63, and the suction force is transferred into the adsorption bin 62 along the third conduit 631, so that the ports of the adsorption bins 62 symmetrically arranged on both sides generate adsorption force, dust impurities attached to the surface of the plastic woven bag are sucked away, and are collected in the adsorption bin 62 after being filtered by the fine mesh filter screen in the third conduit 631, and the opening of the existing winding device pulls the plastic woven bag to advance, thereby realizing cleaning of the surface of the plastic woven bag, improving the cleanliness of the surface of the plastic woven bag, and ensuring the adhesion effect of the subsequent coating film materials. When the driving motor 56 rotates, the liquid outlet rotating shafts 52 on two sides are driven to rotate through the transmission effect of the first belt group 561, the liquid outlet rotating shafts 52 rotate, the speed reducing gear sets 53 are driven to rotate through the speed reducing belt pulley 531, the liquid suction rotating shafts 51 are driven to rotate, the coating rollers 2 on two sides are reversely rotated through the linkage effect of the second belt group 562 and the steering gear sets 21, meanwhile, the film material in the upper liquid supply tank 3 can drop on the coating rollers 2 on the upper side along the upper liquid supply pipe 31, the film material in the lower liquid supply tank 4 can seep from the lower liquid supply hole 41 and adhere to the coating rollers 2 on the lower side, and the film material can be uniformly coated on the upper surface and the lower surface of the woven bag under the reverse rotation effect of the upper coating roller 2 and the lower coating roller 2, so that double-layer coating is realized, and the coating efficiency is effectively improved; meanwhile, in the process of rotating the coating roller 2, the repulsive interaction of the first magnetic block 24 and the second magnetic block 25 is utilized, so that the second magnetic block 25 pushes the first magnetic block 24 which is in a vertical state to slide towards the surface of the plastic woven bag, and the sliding of the first magnetic block 24 pushes the other first magnetic block 24 at the symmetrical side to squeeze the surface of the plastic woven bag, thereby enabling the film material to be more tightly adhered on the surface of the plastic woven bag, and effectively improving the coating quality; and the repulsive interaction of the third magnetic block 34 and the first magnetic block 24 is utilized, when the first magnetic block 24 and the third magnetic block 34 are in a vertical state, the first magnetic block 24 pushes the third magnetic block 34 to slide upwards, so that the wedge-shaped push block 35 pushes the piston press block 32 to slide to two sides, and the cavities at two sides of the upper liquid supply box 3 are extruded, so that the film material drops from the upper liquid supply pipe 31 more quickly, enough film material is adhered to the outer wall of the upper coating roller 2 more quickly, the film coating requirement of a plastic woven bag is fully met, and the film coating effect is improved; the excessive extruded film material drops on the bottom of the pressing bin 71 after being extruded by the pressing roller 72 and flows back into the lower liquid supply tank 4 through the reflux groove 8, so that the collection of the excessive film material is realized, the film coating effect is improved, and meanwhile, the loss of the film material is reduced;
In the process of rotating the liquid suction rotating shaft 51, the stirring blades 511 on the side wall of the liquid suction rotating shaft 51 stir the membrane materials in the lower liquid supply box 4, so that the mixing effect among the membrane materials is ensured, the condition that the membrane materials are coagulated and precipitated is avoided, in the process of rotating the liquid outlet rotating shaft 52, the liquid suction blades 542 are driven to rotate, so that the suction effect is generated in the liquid suction box 54, the one-way valve in the first conduit 541 is opened by the suction effect, and the membrane materials flowing into the liquid guide box 55 from the liquid suction rotating shaft 51 are sucked into the liquid suction box 54 upwards and flow into the upper liquid supply box 3 along the liquid outlet rotating shaft 52, so that the upper membrane materials and the lower membrane materials are mixed; when the first magnetic block 24 and the third magnetic block 34 are separated from the vertical state, the wedge-shaped push block 35 will move downwards to reset under the rebound action of the reset spring 33, and the piston press blocks 32 at two sides will be pulled back at the moment, so that a certain suction force is generated in the cavities at two sides of the upper liquid supply box 3, thereby sucking the film material in the liquid suction rotating shaft 51 into the upper liquid supply box 3 more quickly, and improving the feeding efficiency; in summary, the consumption of the upper liquid supply tank 3 and the film material backflow to the lower liquid supply tank 4 are supplemented, the continuous feeding of the upper liquid supply tank 3 is completed, the liquid supply circulation is realized, the double-sided film coating is completed, and the film coating effect is improved; when the adsorption blades 64 rotate, the friction plates 73 are driven to be attached to the inner wall of the friction bin 63 to rotate, at the moment, heat is generated in the friction bin 63 due to the high-speed and continuous friction effect, and the air flow sucked into the friction bin 63 from the third guide pipe 631 brings the heat into the air collecting box 74 along the fourth guide pipe 75 and then is dispersed into the three groups of laminating rollers 72, so that the laminating rollers 72 are heated, the heating and drying of the plastic woven bag film material in the laminating process are realized, the drying speed of the plastic woven bag film material is improved, and the overall production efficiency is further improved; then, the heat passing through the laminating roller 72 will continue to enter the heat supply box 76 along the fifth conduit 77, at this time, the bottom of the liquid extraction box 54 is heated by the heat supply box 76, and finally the heat will be sprayed to the side wall of the liquid extraction box 54 by the heat outlet pipe 761, so as to effectively heat the film material in the liquid extraction box 54, enhance the fluidity of the film material in the liquid extraction box 54, avoid the situation that the film material is too viscous and causes unsmooth flow, facilitate circulation flow and discharge, and improve the recycling efficiency of the film material.
Embodiment two:
Basically the same as the first embodiment, on the basis of the first embodiment, a method for coating a film in a composite plastic woven bag is provided.
Referring to fig. 1-8, a method for coating a film in a composite plastic woven bag comprises the following steps:
S1, cleaning the surface of a plastic woven bag;
Firstly, a plastic woven bag passes through a film coating box 1 and is fixed on the existing winding equipment, then a driving motor 56 and the winding equipment are started at the same time, a rotating shaft of the driving motor 56 drives an adsorption blade 64 in a friction bin 63 to rotate, at the moment, the rotation of the adsorption blade 64 generates a suction effect on one side of the friction bin 63, the suction force is transmitted into an adsorption bin 62 along a third conduit 631, so that the ports of the adsorption bin 62 symmetrically arranged on two sides generate adsorption force, dust impurities attached to the surface of the plastic woven bag are sucked away, and are collected in the adsorption bin 62 after being filtered by a fine-mesh filter screen in the third conduit 631, and the plastic woven bag is pulled to move forward by the starting of the existing winding equipment, so that the surface of the plastic woven bag is cleaned, the surface of the plastic woven bag is improved, and the adhesion effect of a subsequent coating film material is ensured;
S2, coating a film material on the surface of the cleaned plastic woven bag;
When the driving motor 56 rotates, the liquid outlet rotating shafts 52 on two sides are driven to rotate through the transmission effect of the first belt group 561, the liquid outlet rotating shafts 52 rotate, the speed reducing gear sets 53 are driven to rotate through the speed reducing belt pulley 531, the liquid suction rotating shafts 51 are driven to rotate, the coating rollers 2 on two sides are reversely rotated through the linkage effect of the second belt group 562 and the steering gear sets 21, meanwhile, the film material in the upper liquid supply tank 3 can drop on the coating rollers 2 on the upper side along the upper liquid supply pipe 31, the film material in the lower liquid supply tank 4 can seep from the lower liquid supply hole 41 and adhere to the coating rollers 2 on the lower side, and the film material can be uniformly coated on the upper surface and the lower surface of the woven bag under the reverse rotation effect of the upper coating roller 2 and the lower coating roller 2, so that double-layer coating is realized, and the coating efficiency is effectively improved; meanwhile, in the process of rotating the coating roller 2, the repulsive interaction of the first magnetic block 24 and the second magnetic block 25 is utilized, so that the second magnetic block 25 pushes the first magnetic block 24 which is in a vertical state to slide towards the surface of the plastic woven bag, and the sliding of the first magnetic block 24 pushes the other first magnetic block 24 at the symmetrical side to squeeze the surface of the plastic woven bag, thereby enabling the film material to be more tightly adhered on the surface of the plastic woven bag, and effectively improving the coating quality; and the repulsive interaction of the third magnetic block 34 and the first magnetic block 24 is utilized, when the first magnetic block 24 and the third magnetic block 34 are in a vertical state, the first magnetic block 24 pushes the third magnetic block 34 to slide upwards, so that the wedge-shaped push block 35 pushes the piston press block 32 to slide to two sides, and the cavities at two sides of the upper liquid supply box 3 are extruded, so that the film material drops from the upper liquid supply pipe 31 more quickly, enough film material is adhered to the outer wall of the upper coating roller 2 more quickly, the film coating requirement of a plastic woven bag is fully met, and the film coating effect is improved; the excessive extruded film material drops on the bottom of the pressing bin 71 after being extruded by the pressing roller 72 and flows back into the lower liquid supply tank 4 through the reflux groove 8, so that the collection of the excessive film material is realized, the film coating effect is improved, and meanwhile, the loss of the film material is reduced;
s3, mixing the membrane materials and enabling the membrane materials to flow up and down to realize circulating liquid supply;
In the process of rotating the liquid suction rotating shaft 51, the stirring blades 511 on the side wall of the liquid suction rotating shaft 51 stir the membrane materials in the lower liquid supply box 4, so that the mixing effect among the membrane materials is ensured, the condition that the membrane materials are coagulated and precipitated is avoided, in the process of rotating the liquid outlet rotating shaft 52, the liquid suction blades 542 are driven to rotate, so that the suction effect is generated in the liquid suction box 54, the one-way valve in the first conduit 541 is opened by the suction effect, and the membrane materials flowing into the liquid guide box 55 from the liquid suction rotating shaft 51 are sucked into the liquid suction box 54 upwards and flow into the upper liquid supply box 3 along the liquid outlet rotating shaft 52, so that the upper membrane materials and the lower membrane materials are mixed; when the first magnetic block 24 and the third magnetic block 34 are separated from the vertical state, the wedge-shaped push block 35 will move downwards to reset under the rebound action of the reset spring 33, and the piston press blocks 32 at two sides will be pulled back at the moment, so that a certain suction force is generated in the cavities at two sides of the upper liquid supply box 3, thereby sucking the film material in the liquid suction rotating shaft 51 into the upper liquid supply box 3 more quickly, and improving the feeding efficiency; in summary, the consumption of the upper liquid supply tank 3 and the film material backflow to the lower liquid supply tank 4 are supplemented, the continuous feeding of the upper liquid supply tank 3 is completed, the liquid supply circulation is realized, the double-sided film coating is completed, and the film coating effect is improved;
s4, pressing the plastic woven bag coated with the film material and drying the plastic woven bag;
when the adsorption blades 64 rotate, the friction plates 73 are driven to be attached to the inner wall of the friction bin 63 to rotate, at the moment, heat is generated in the friction bin 63 due to the high-speed and continuous friction effect, and the air flow sucked into the friction bin 63 from the third guide pipe 631 brings the heat into the air collecting box 74 along the fourth guide pipe 75 and then is dispersed into the three groups of laminating rollers 72, so that the laminating rollers 72 are heated, the heating and drying of the plastic woven bag film material in the laminating process are realized, the drying speed of the plastic woven bag film material is improved, and the overall production efficiency is further improved; then, the heat passing through the laminating roller 72 will continue to enter the heat supply box 76 along the fifth conduit 77, at this time, the bottom of the liquid extraction box 54 is heated by the heat supply box 76, and finally the heat will be sprayed to the side wall of the liquid extraction box 54 by the heat outlet pipe 761, so as to effectively heat the film material in the liquid extraction box 54, enhance the fluidity of the film material in the liquid extraction box 54, avoid the situation that the film material is too viscous and causes unsmooth flow, facilitate circulation flow and discharge, and improve the recycling efficiency of the film material.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a device of film is scribbled in compound plastic woven sack, including film case (1), its characterized in that, film case (1) swivelling joint has coating roller (2), coating roller (2) symmetry is provided with two sets of, and two sets of through turning gear group (21) transmission connection between the pivot tip of coating roller (2), film case (1) cavity is fixed with respectively from top to bottom and is supplied liquid case (3) and lower supply liquid case (4), go up one side that supplies liquid case (3) and lower supply liquid case (4) to be close to coating roller (2) and be the arc setting, go up supply liquid case (3) bottom both sides and all communicate and have last liquid supply pipe (31), down supply liquid case (4) top has been seted up down and has been supplied liquid hole (41), annular equidistant pressure membrane groove (22) have been seted up in coating roller (2), set up spacing draw-in groove (23) in pressure membrane groove (22), it is connected with first magnet piece (24) respectively to slide in spacing draw-in groove (23), be close to one side of scribbling cloth case (2) and one side that is close to scribble liquid case (24) and two magnet pieces (25) are supplied between two magnet pieces (25) to be connected, two magnet pieces (25) are supplied between magnet piece (24) and two magnet pieces (25), fixedly connected with reset spring (33) between piston briquetting (32) in both sides, and two sets of one side that piston briquetting (32) are close to each other is symmetrical slope setting, is located the department of last confession liquid case (3) second magnetic path (25) middle part sliding connection has third magnetic path (34), magnetism repulsion between third magnetic path (34) and first magnetic path (24), just third magnetic path (34) run through in the supreme confession liquid case (3) and fixedly connected with wedge ejector pad (35), laminating slip between wedge ejector pad (35) and the both sides piston briquetting (32) still includes:
The liquid supply circulation mechanism (5) is arranged on the film coating box (1) and is used for circulating the film coating materials in the upper liquid supply box (3) and the lower liquid supply box (4);
The cleaning assembly (6) is arranged on the film coating box (1) and is used for cleaning the surface of the plastic woven bag before film coating;
and the hot drying mechanism (7) is arranged on the film coating box (1) and is used for hot-pressing and drying the surface of the coated plastic woven bag.
2. The device for coating film in the composite plastic woven bag according to claim 1, wherein the liquid supply circulation mechanism (5) comprises a liquid suction rotating shaft (51) and a liquid outlet rotating shaft (52), the liquid suction rotating shaft (51) is rotationally connected with the inner wall of the lower liquid supply box (4), the liquid outlet rotating shaft (52) is rotationally connected with the inner wall of the upper liquid supply box (3), the side wall of the film coating box (1) is fixedly connected with a speed reduction gear set (53), the end part of the liquid suction rotating shaft (51) is in meshed connection with the speed reduction gear set (53), the speed reduction gear set (53) is in transmission connection with the end part of the liquid outlet rotating shaft (52) through a speed reduction pulley (531), the side wall of the film coating box (1) is fixedly connected with a liquid suction box (54) and a liquid guide box (55) respectively, one end part of the first conduit (541) close to the liquid suction box (54) is internally provided with a one-way valve, the liquid suction box (54) is communicated with an inner cavity (52), the liquid suction box (52) is fixedly connected with the liquid suction box (52) through a speed reduction pulley (531), the liquid suction box (52) is fixedly connected with the liquid suction box (52) through the liquid guide box (52), the liquid suction rotating shaft (51) is communicated with the inner cavity of the lower liquid supply box (4), a driving motor (56) is fixedly connected to the top of the film coating box (1), an output shaft of the driving motor (56) is in transmission connection with the liquid outlet rotating shaft (52) through a first belt group (561), and the liquid suction rotating shaft (51) is in transmission connection with the rotating shaft end part of the coating roller (2) through a second belt group (562).
3. The coating device in the composite plastic woven bag according to claim 2, wherein the side wall of the liquid suction rotating shaft (51) is fixedly connected with stirring blades (511), and the side wall of the stirring blades (511) is provided with drag reduction grooves at equal intervals.
4. The device of coating film in a composite plastic woven bag according to claim 2, wherein the cleaning assembly (6) comprises a cleaning bin (61), the cleaning bin (61) is fixedly connected with the side wall of the coating film box (1), an adsorption bin (62) is fixedly connected in the cleaning bin (61), two groups of adsorption bins (62) are symmetrically arranged, the two groups of adsorption bins (62) are communicated through a second conduit (621), a friction bin (63) is fixedly connected with the side wall of the cleaning bin (61), an output shaft of the driving motor (56) penetrates into the friction bin (63) and is fixedly connected with an adsorption blade (64), a third conduit (631) is communicated with the top of the friction bin (63), one end, far away from the friction bin (63), of the third conduit (631) is communicated with the inner cavity of the cleaning bin (61), and a fine filter screen is arranged in a port, close to the cleaning bin (61), of the third conduit (631).
5. The device for coating films in composite plastic woven bags according to claim 4, wherein the hot drying mechanism (7) comprises a lamination bin (71), the lamination bin (71) is fixedly connected with the side wall of a film coating box (1), three groups of lamination rollers (72) are rotationally connected to the lamination bin (71), friction plates (73) are fixedly connected to the end parts of the adsorption blades (64), the friction plates (73) are attached to the inner wall of the friction bin (63) and slide, gas collecting boxes (74) are fixedly connected to the two sides of the lamination bin (71), the gas collecting boxes (74) are communicated with the inner cavities of the lamination rollers (72), fourth guide pipes (75) are communicated with the side walls of the gas collecting boxes (74) on the same side of the friction bin (63), and one ends of the fourth guide pipes (75) away from the gas collecting boxes (74) are communicated with the inner cavities of the friction bin (63).
6. The coating device in the composite plastic woven bag according to claim 5, wherein a heat supply box (76) is fixedly connected to the bottom of the liquid suction box (54), the heat supply boxes (76) are communicated with each other at two sides, a fifth conduit (77) is communicated with the side wall of the gas collection box (74) at the same side as the heat supply box (76), one end, far away from the gas collection box (74), of the fifth conduit (77) is communicated with the inner cavity of the heat supply box (76), two ends of the heat supply box (76) are communicated with heat outlet pipes (761), the heat outlet pipes (761) at two sides are symmetrically arranged, and the output ends of the heat outlet pipes (761) are opposite to the side wall of the liquid suction box (54).
7. The coating device in the composite plastic woven bag according to claim 6, wherein a reflux groove (8) is formed below the inner cavity of the pressing bin (71), and the reflux groove (8) is communicated with the inner cavity of the lower liquid supply box (4).
8. A method for coating a film in a composite plastic woven bag, which adopts the device for coating a film in a composite plastic woven bag according to any one of claims 1 to 7, and is characterized by comprising the following steps:
S1, cleaning the surface of a plastic woven bag;
S2, coating a film material on the surface of the cleaned plastic woven bag;
s3, mixing the membrane materials and enabling the membrane materials to flow up and down to realize circulating liquid supply;
S4, drying the plastic woven bag coated with the film material while pressing the plastic woven bag.
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