CN219095987U - Preparation device for composite membrane cloth - Google Patents

Abstract

The utility model provides a preparation device for composite membrane cloth, which comprises an unreeling device, a water squeezing, drying and leveling device, a batching device, an extruding machine, a casting die head, a cooling composite shaping device, a cooling device and a first traction device, wherein the base cloth output by the unreeling device sequentially passes through the water squeezing, drying and leveling device, the cooling composite shaping device and the cooling device, the water squeezing, drying and leveling and shaping are carried out on the base cloth, the casting membrane in a hot melt state and the base cloth are extruded and compounded by the cooling composite shaping device, and the formed membrane cloth is primarily cooled and shaped by the cooling device, so that a finished product membrane cloth is formed by the cooling device. The utility model can realize multi-cloth multi-film continuous casting composite molding, omits repeated hot melting composite and the like, has low energy consumption and high production efficiency of the preparation device, improves the product quality, reduces the production cost and realizes the purposes of energy conservation and emission reduction.

Description

Preparation device for composite membrane cloth

Technical Field

The utility model relates to a preparation device of composite membrane cloth, in particular to a preparation device for composite membrane cloth.

Background

At present, the composite membrane cloth is prepared by respectively preparing base cloth and membrane materials and then carrying out the membrane pasting process, such as one-cloth-two-membrane, two-cloth-three-membrane or multi-cloth-multi-membrane composite membrane cloth, and the like, so that the composite membrane cloth prepared by the process needs to be respectively laminated, hot melt formed and the like for a plurality of times, is inconvenient to operate, wastes time, needs to consume a large amount of heat energy repeatedly, and also easily influences the quality of products and the like, thereby causing the increase of cost, having low productivity, consuming time and labor, and not meeting the national requirements of energy conservation and consumption reduction, carbon emission reduction and the like for industrial production.

Disclosure of Invention

The utility model aims to provide a preparation device for composite membrane cloth, which can solve at least one of the technical problems, and the technical scheme of the utility model is as follows:

the utility model provides a preparation facilities for complex film cloth, including unreeling device, the stoving leveling device of wringing, dosing unit, the extruding machine, the curtain coating die head, cooling complex shaping device, cooling device and first draw gear, under the effect of first draw gear, the basic cloth of unreeling device output is passed through the stoving leveling device of wringing in proper order, cooling complex shaping device and cooling device, the stoving leveling device of wringing is used for carrying out the wringing to the basic cloth, dry and cooling flattening shaping, the exit of dosing unit and the entry linkage of extruding machine, the exit of extruding machine and the entry linkage of curtain coating die head, cooling complex shaping device is located the below of curtain coating die head, dosing unit sends the tectorial membrane material into the extruding machine, the extruding machine sends the tectorial membrane material after plasticization into the curtain coating die head, curtain coating membrane of curtain coating die head curtain coating state curtain coating membrane of curtain coating state curtain coating along the surface curtain coating of basic cloth, cooling complex shaping device carries out extrusion complex and carries out preliminary cooling shaping to the product film cloth that forms to complex formation, cooling device carries out the finished product film cloth that is accomplished to the complex and forms the film cloth and forms the film.

In some embodiments, the wringing, drying and leveling device comprises a third bracket, a wringing roller, a first compression roller, a heating roller and a first cooling roller are arranged on the third bracket, the wringing roller is driven by a corresponding driving mechanism to rotate, the first compression roller is matched with the wringing roller, base cloth passes through between the first compression roller and the wringing roller to be wringed, the base cloth after wringing is dried by the heating roller, and the base cloth after drying is cooled, leveled and shaped by the first cooling roller.

In some embodiments, the batching device comprises a high-speed stirrer, a low-speed stirrer, a first storage bin and a vacuum feeder, wherein an outlet of the high-speed stirrer is connected with an inlet of the low-speed stirrer, an outlet of the low-speed stirrer is connected with an inlet of the first storage bin, an outlet of the first storage bin is connected with an inlet of the vacuum feeder through a first conveying pipe, an outlet of the vacuum feeder is connected with a feed hopper of the extruding machine, an outlet of the extruding machine is connected with an inlet of the screen changer, and an outlet of the screen changer is connected with an inlet of the casting die head.

In some embodiments, the cooling composite shaping device comprises a first bracket, a first driving roller and a second pressing roller which are matched are arranged on the first bracket side by side, cooling mediums are respectively introduced into the first driving roller and the second pressing roller, the first driving roller is driven by a corresponding driving mechanism to rotate, and the base cloth and a casting film in a hot melt state which is cast along the surface of the base cloth pass through between the first driving roller and the second pressing roller together to be extrusion composited.

In some embodiments, the first traction device comprises a second bracket, the second bracket is provided with a trimming assembly, a second driving roller and a third pressing roller which are matched with each other, the second driving roller is driven by a corresponding driving mechanism to rotate, the finished film cloth passes through between the second driving roller and the third pressing roller to be drawn, and the trimming assembly can cut burrs of the finished film cloth.

In some embodiments, the device further comprises a cloth storage rack and a winding device, and the cooling device, the cloth storage rack, the first traction device and the winding device are sequentially arranged.

The beneficial effects of the utility model are as follows: the water squeezing, drying, leveling and shaping device is used for squeezing, drying, cooling, leveling and shaping base cloth, so that better hot-melt casting composite shaping is guaranteed, the quality of a product is improved, a casting film in a hot-melt state is cast to the surface of the base cloth, two layers of casting films in a hot-melt state can be clamped with one layer of casting film in a hot-melt state, the casting films in the hot-melt state and the two layers of base cloth are sequentially and alternately compounded, the cooling composite shaping device is used for extrusion and compounding the casting films in the hot-melt state with the base cloth, primary cooling and shaping of the film cloth formed by compounding can be realized, and multi-cloth multi-film continuous casting composite shaping can be realized through sequential hot-melt casting compounding in batches.

In addition, in the technical scheme of the utility model, the technical scheme can be realized by adopting conventional means in the field without specific description.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a process flow diagram of a method for preparing a composite membrane cloth according to an embodiment of the present utility model.

Fig. 2 is a schematic illustration of one-cloth-two film casting compounding according to an embodiment of the present utility model.

Fig. 3 is a schematic illustration of a two-over-one film casting composite according to an embodiment of the present utility model.

Fig. 4 is a schematic diagram of a two-cloth two-film casting composite according to an embodiment of the present utility model.

Fig. 5 is a schematic diagram of a two-cloth three-film casting composite according to an embodiment of the present utility model.

Fig. 6 is a schematic diagram of a three-cloth four-film casting composite according to an embodiment of the present utility model.

Fig. 7 is a schematic structural view of a three-cloth four-film composite film cloth manufacturing apparatus according to an embodiment of the present utility model.

Fig. 8 is a schematic structural view of a device for preparing a one-cloth two-film composite film cloth according to an embodiment of the present utility model.

Fig. 9 is a schematic structural view of a two-cloth two-film composite film cloth manufacturing apparatus according to an embodiment of the present utility model.

Fig. 10 is a schematic structural view of a two-cloth three-film composite film cloth manufacturing apparatus according to an embodiment of the present utility model.

Fig. 11 is a schematic structural view of a wringing, drying and leveling device according to an embodiment of the present utility model.

Fig. 12 is a schematic structural view of a cooling composite sizing device according to an embodiment of the present utility model.

Fig. 13 is a schematic structural view of a first traction device according to an embodiment of the present utility model.

The reference numerals in the drawings indicate that the unreeling device 1, the reeling device 11, the casting die head 13, the wringing, drying and leveling device 2, the wringing roller 21, the first press roller 22, the heating roller 23, the first cooling roller 24, the third support 25, the cooling composite shaping device 4, the first support 41, the first drive roller 42, the second press roller 43, the cooling device 5, the first traction device 6, the second support 61, the second drive roller 62, the third press roller 63 and the cloth storage frame 7.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are illustrative of some, but not all embodiments of the utility model and are not intended to limit the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "both ends", "two sides", "bottom", "top", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the elements referred to must have a specific orientation or be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "superior," "subordinate," "primary," "secondary," and the like are used for descriptive purposes only and may be used simply to more clearly distinguish between different components and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 13, there is schematically shown a manufacturing apparatus for composite membrane cloth according to the present utility model, including an unreeling apparatus 1, a wringing, drying and leveling apparatus 2, a batching apparatus, an extruder, a casting die 13, a cooling composite shaping apparatus 4, a cooling apparatus 5, and a first traction apparatus 6; under the action of the first traction device 6, the base cloth output by the unreeling device 1 sequentially passes through the wringing, drying and leveling device 2, the cooling composite shaping device 4 and the cooling device 5; the squeezing, drying and leveling device 2 is used for squeezing, drying, cooling, leveling and shaping the base cloth and conveying the base cloth; the outlet of the batching device is connected with the inlet of the extruding machine, the outlet of the extruding machine is connected with the inlet of the casting die head 13, the casting die head 13 corresponds to the cooling composite shaping device 4, the cooling composite shaping device 4 is positioned below the casting die head 13, one cooling composite shaping device 4 can correspond to one or two casting die heads 13, the batching device sends the coating film material into the extruding machine, the extruding machine sends the plasticized coating film material into the casting die head 13, the casting die head 13 casts a casting film in a hot melt state, the casting film in the hot melt state casts along the surface of the base cloth, the cooling composite shaping device 4 extrudes and composites the casting film in the hot melt state with the base cloth, and meanwhile, the cooling composite shaping device 4 carries out preliminary cooling shaping on the film cloth formed by compositing. The quantity, arrangement and the like of the unreeling device 1, the water squeezing, drying and leveling device 2, the batching device, the extruding machine, the casting die head 13, the cooling composite shaping device 4 are determined according to specific conditions, and the required product membrane cloth, such as a composite membrane cloth of one cloth with two membranes, two cloth with one membrane, two cloth with two membranes, two cloth with three membranes, three cloth with four membranes or multiple cloth with multiple membranes and the like, is finally shaped through one-time, two-time or multiple-time hot melting and compounding, and then the cooling device 5 carries out cooling shaping on the product membrane cloth after the compounding, so as to form the finished product membrane cloth.

The wringing, drying and leveling device 2 comprises a third bracket 25, wherein a wringing roller 21, a first compression roller 22, a heating roller 23 and a first cooling roller 24 are arranged on the third bracket 25, the first compression roller 22 is matched with the wringing roller 21, the wringing roller 21 is driven to rotate by a corresponding driving mechanism such as a servo motor, the heating roller 23 can be heated by an electric heating tube or heat conducting oil, and the like, cooling media such as water and the like can be introduced into the first cooling roller 24, the temperature of the heating roller 23 and the temperature of the first cooling roller 24 are determined according to specific conditions, the base cloth passes through between the first compression roller 22 and the wringing roller 21 for wringing, the base cloth after wringing is dried by the heating roller 23, and the base cloth after drying is cooled and leveled by the first cooling roller 24 for cleaning and tidying the base cloth, ensuring that the following base cloth is better in hot melt casting compounding and improving the quality of products.

The extruder and the casting die 13 are mechanisms in the prior art, the extruder can adopt a single screw or cone double screw extrusion plasticizing machine and the like, and the casting die 13 can adopt a flat head die or a clothes hanger die and the like.

The batching device and the extruding machine are not shown in the drawing, the batching device comprises a high-speed stirrer, a low-speed stirrer, a first storage bin and a vacuum feeding machine, the high-speed stirrer, the low-speed stirrer and the vacuum feeding machine are mechanisms in the prior art, an outlet of the high-speed stirrer is connected with an inlet of the low-speed stirrer, an outlet of the low-speed stirrer is connected with an inlet of the first storage bin, an outlet of the first storage bin is connected with an inlet of the vacuum feeding machine through a first conveying pipe, and an outlet of the vacuum feeding machine is connected with a feed hopper of the extruding machine, so that raw material components of a laminating material can be guaranteed to be more fully and uniformly mixed, the efficiency is higher, and the precision is higher.

The outlet of the extruding machine is connected with the inlet of a screen changer, the outlet of the screen changer is connected with the inlet of the casting die head 13, and the screen changer can be a double-position and four-station screen changer. In the use process, the screen changer can filter sundries in the plasticized film coating material, is more convenient to operate, improves the quality of the casting film, and the like.

The cooling composite shaping device 4 comprises a first bracket 41, a first driving roller 42 and a second pressing roller 43 which are matched are arranged on the first bracket 41 side by side, cooling media such as cooling water and the like are respectively introduced into the first driving roller 42 and the second pressing roller 43, the cooling temperature is determined according to specific conditions, the first driving roller 42 is driven by a corresponding driving mechanism such as a servo motor to rotate, and under the traction effect of the first traction device 6, the base cloth and a casting film in a hot melt state cast along the surface of the base cloth pass through between the first driving roller 42 and the second pressing roller 43 together to be extruded and compounded, so that good compounding can be ensured, primary cooling shaping can be performed on the film materials formed in a compounding mode synchronously, shaping of products is accelerated, quality of the products is improved, and the like. The cooling device 5 is similar to the cooling composite shaping device 4 in structure, and the cooling device 5 can refer to the cooling composite shaping device 4, and the cooling temperature of the cooling device 5 is determined according to specific situations.

The first traction device 6 comprises a second bracket 61, a trimming assembly and a second driving roller 62 and a third pressing roller 63 which are matched are arranged on the second bracket 61, the second driving roller 62 is driven by a corresponding driving mechanism such as a servo motor to rotate, finished film cloth passes through between the second driving roller 62 and the third pressing roller 63 to be drawn, and the trimming assembly cuts burrs of the finished film cloth. The trimming assembly is not shown in the drawing, and comprises a cutter, an air cylinder, an electric cylinder, an oil cylinder and the like, and a driving mechanism drives the cutter to move up and down, so that burrs of the finished film cloth are cut off by the cutter.

The preparation device for the composite membrane cloth further comprises a cloth storage frame 7 and a winding device 11, wherein the cooling device 5, the cloth storage frame 7, the first traction device 6 and the winding device 11 are sequentially arranged, finished membrane cloth subjected to cooling shaping by the cooling device 5 sequentially passes through the cloth storage frame 7, the first traction device 6 and the winding device 11, the cloth storage frame 7 can temporarily store the finished membrane cloth, and the like, so that the winding of the finished membrane cloth, the replacement of a material roll and the like are facilitated. The cloth storage frame 7 comprises a support, a plurality of cloth guide rollers are arranged on the support, the cloth guide rollers are connected through transmission mechanisms such as chains, the cloth guide rollers are driven to rotate by driving mechanisms such as servo motors, the cloth guide rollers are sequentially arranged up and down, and finished film cloth sequentially passes through the cloth guide rollers to be conveyed.

The unreeling device 1 and the reeling device 11 can adopt a double-station structure, and the unreeling device 1 can be further provided with a magnetic powder brake, so that the balanced tension is maintained, cloth is unreeled at a constant speed, automatic deviation correction and the like. Before each casting and hot-melting compounding, a preheating roller can be further arranged, the base cloth is preheated by the preheating roller, and then enters the cooling compounding shaping device 4 together with the casting film in a hot-melting state for compounding, so that the compounding effect, the peeling strength and the like are improved, and the preheating temperature is determined according to specific conditions. According to actual production needs such as the number of layers of compound membrane cloth, can also set up frame, operation platform, cloth guide roll, tension roller and dancer etc. corresponding device sets up in the frame, operation platform convenient to operate.

As shown in FIG. 8, the preparation device for the one-cloth two-film composite film cloth comprises an unreeling device 1, a water squeezing, drying and leveling device 2, a batching device, an extruding machine, a casting die head 13, a cooling composite shaping device 4, a cooling device 5, a cloth storage rack 7, a first traction device 6 and a reeling device 11, wherein the batching device, the extruding machine and the casting die head 13 are two sets, the casting die heads 13 of the two sets correspond to the cooling composite shaping device 4, and the specific connection, the arrangement, the casting composite and the like are referred to above.

As shown in fig. 9, the preparation device for the two-cloth two-film composite film cloth comprises an unreeling device 1, a water squeezing, drying and leveling device 2, a batching device, an extruding machine, a casting die head 13, a cooling composite shaping device 4, a cooling device 5, a cloth storage rack 7, a first traction device 6 and a reeling device 11, wherein the unreeling device 1 and the water squeezing, drying and leveling device 2 are two sets, the batching device, the extruding machine and the casting die head 13 are two sets, the casting die head 13 of the two sets and the water squeezing, drying and leveling device 2 of the two sets correspond to the same cooling composite shaping device 4, and the specific connection, the arrangement, the casting compounding and the like are referred to above.

As shown in fig. 10, the preparation device for the two-cloth three-film composite film cloth comprises an unreeling device 1, a water squeezing, drying and leveling device 2, a batching device, an extruding machine, a casting die head 13, a cooling composite shaping device 4, a cooling device 5, a cloth storage rack 7, a first traction device 6 and a winding device 11, wherein the unreeling device 1 and the water squeezing, drying and leveling device 2 are two sets, the batching device, the extruding machine and the casting die head 13 are three sets, the cooling composite shaping device 4 is two sets, the two sets of hot melt casting and compounding can be divided into two sets, the first hot melt casting and compounding comprises two sets of unreeling devices 1, two sets of water squeezing, drying and leveling devices 2, one set of batching device, one set of extruding machine, one set of casting die head 13 and one set of cooling composite shaping device 4, the film materials formed by the first hot melt casting and compounding enter the second hot melt casting and continue to be compounded after the second hot melt casting and compounding, the second hot melt casting and compounding comprises two sets of batching devices, two sets of extruding machines, two sets of casting die heads 13 and one set of cooling composite shaping device 4, the second hot melt casting and one set of film materials are connected with the first cooling composite shaping device 7 and the winding device through the cloth storage rack 7, the first cooling composite shaping device and the second hot melt casting die head 4 is connected with the first traction device and the winding device.

As shown in FIG. 7, the preparation device for the three-cloth four-film composite film cloth comprises an unreeling device 1, a water-squeezing drying leveling device 2, a batching device, an extruding machine, a casting die head 13, a cooling composite shaping device 4, a cooling device 5, a cloth storage rack 7, a first traction device 6 and a winding device 11, wherein the unreeling device 1 and the water-squeezing drying leveling device 2 are three sets, the batching device, the extruding machine and the casting die head 13 are four sets, the cooling composite shaping device 4 is three sets, the three-time hot-melt casting composite can be divided into three sets, the first hot-melt casting composite comprises two sets of unreeling devices 1, two sets of water-squeezing drying leveling devices 2, one set of batching device, one set of extruding machine, one set of casting die head 13 and one set of cooling composite shaping device 4, the film material formed by the first hot-melt casting composite is continuously compounded after entering the second hot-melt casting composite shaping device, the second hot-melt casting composite device is continuously compounded after the first set of unreeling device 1, one set of water-squeezing leveling device 2, one set of batching device 13, one set of casting die head 13 and one set of extruding machine and one set of hot-melt composite shaping device 4 are continuously carried out, the film material formed by the second hot-melt composite is continuously after the first set of hot-melt composite shaping device is continuously carried out by the second hot-melt composite shaping device is carried out, the second hot-melt composite shaping device is carried out by the second set of hot-melt shaping device, the film material formed by the second set of the three sets of hot-melt shaping device is continuously after the first set of hot-melt shaping device is 3, the film material is continuously cooled after the first set of hot-melt composite shaping device is 3, and the first set of the film material is continuously cooled after the first set of the material is formed by the cooling device, and the 3 is formed by the 3, and the 3 is formed.

According to the production needs, the hot melt casting compounding can be carried out once, twice, three times or more, but only one set of cooling device 5, one set of cloth storage frame 7, one set of first traction device 6 and one set of winding device 11 are needed, the equipment volume is reduced, the occupied space is small, the repeated transfer of semi-finished products is not needed, the efficiency is improved, the cost is reduced and the like.

The preparation method of the composite membrane cloth comprises the following steps:

unreeling the base cloth roll, wherein the size specification of the base cloth is determined according to specific conditions, the base cloth can be selected from fabrics which are fused with a casting film or can be formed by composite materials changing the physical and mechanical properties of the base cloth, such as polyester fiber fabrics, glass fiber fabrics, aromatic fiber fabrics, carbon fiber fabrics, polyethylene fiber fabrics, polyvinyl chloride fiber fabrics and the like, and then squeezing, drying, cooling, leveling and shaping the base cloth, so that the base cloth is clean and tidy, the follow-up better hot melt casting compounding is ensured, and the quality of products is improved;

according to different requirements, raw material components of the coating material are prepared, according to different requirements, main materials of the coating material can be PVC, PE, TPU, PP and the like, and the raw material components of the coating material can also comprise polyvinyl chloride resin, plasticizer, stabilizer, flame retardant, antistatic agent, filler, pigment, binder, mildew-proof auxiliary agent and the like, so that the prepared composite film cloth has special functions of printing, self-cleaning, aging resistance, impact resistance, toughness increase and the like, and meets different use requirements, places, working conditions and the like. Firstly, selecting raw material components for preparing a laminating material, then carrying out batching, stirring and mixing to ensure that the materials are uniformly mixed, then sending the mixed laminating material into an extruding machine, plasticizing the laminating material by the extruding machine, and extruding the plasticized laminating material;

the coating material is plasticized and then is sent into a casting die head 13, the coating material flows out from the casting die head 13 to form a casting film in a hot melt state, the casting film in the hot melt state is cast on the surface of a base cloth, according to different product film cloths, two layers of casting films in the hot melt state can be clamped by one layer of base cloth, or two layers of casting films in the hot melt state can be clamped by two layers of base cloth, or the casting films in the hot melt state and the two layers of base cloth are sequentially and alternately combined, and then the casting films are led into a cooling composite shaping device 4 together to be extruded and combined, so that a first film material is formed by multi-layer coextrusion one-time casting composite shaping, and meanwhile, the cooling composite shaping device 4 carries out primary cooling shaping on the composite shaped first film material;

continuing to cast the composite casting film and/or the base cloth on the first film material, and sequentially carrying out hot melt casting and compounding in batches according to the requirement until the required product film cloth is formed, such as composite film cloth of one cloth with two films, two cloth with one film, two cloth with two films, two cloth with three films, three cloth with four films or multiple cloth with multiple films;

the product membrane cloth is manufactured into the finished product membrane cloth after being cooled by traction.

The finished film cloth can also pass through the cloth storage frame 7, the edge cutting, the metering mark and the winding in sequence through traction, the cloth storage frame 7 can temporarily store the finished film cloth, and the like, is convenient for winding the finished film cloth, replacing a material roll and the like, then cutting burrs of the finished film cloth, the metering mark comprises metering, coding and the like, and the wound finished film cloth can be inspected, packaged, put in storage and the like.

After the base cloth is cooled, leveled and shaped, the base cloth is preheated, then the casting film in the hot-melt state is cast on the surface of the base cloth for compounding, the casting film and the base cloth are better compounded and formed through preheating, the laminating degree of hot-melt compounding is enhanced, the peeling strength of the composite film cloth is increased, and the base cloth is further dried conveniently. The plasticized coating material output by the extruding machine firstly passes through the screen changer, the screen changer can filter sundries in the plasticized coating material, and then the impurities are sent into the casting die head 13, so that the operation is more convenient, and the quality of the casting film is improved.

The temperature of the hot melt casting film must have a strict control range, and according to the hot melt properties of different main film materials and raw materials of the base cloth, the required temperature is different, for example, the main film materials are PE, the wire drawing temperature of the PE main film materials is controlled between 170 ℃ and 190 ℃, the drying temperature of the base cloth is controlled between 80 ℃ and 100 ℃, the physical properties of the base cloth are prevented from being damaged by PE hot melt, and the casting temperature of the same hot melt casting film must be strictly controlled at the lowest point, so long as the casting film materials can be used for casting films, the PE main film materials should be controlled at about 190 ℃, and the temperature is too high, so that the physical properties of the base cloth attached with the PE main film materials are damaged by the hot melt of the base cloth.

The raw material components of the laminating material are stirred at a high speed, are uniformly dehydrated and are primarily plasticized, the cooling and kneading are carried out through a low-speed stirrer, the cooled and kneaded material is sent to a vacuum feeding machine, and the vacuum feeding machine sends the material into a feed bin of an extruding machine, so that the raw material components of the laminating material are more fully and uniformly mixed, the efficiency is higher, and the precision is higher.

According to actual needs, one casting die head 13 can be used for casting and compounding alone, two casting die heads 13 can be used as a group for casting and compounding double films simultaneously at one time, and single, double or multiple combinations can be used for casting and compounding in a split and layer-by-layer mode. According to different requirements, a plurality of casting dies 13 can be matched to carry out multilayer coextrusion and kneading one-time casting compounding, so as to prepare the multi-cloth multi-film composite film cloth.

As shown in fig. 2, a schematic diagram of a two-film casting composite is shown, two casting dies 13 are symmetrically arranged, two casting dies 13 correspond to one cooling composite shaping device 4, two casting dies 13 respectively flow out of casting films in a hot melt state, the casting films in the hot melt state are cast on the surface of a base fabric, the casting films in the two hot melt state sandwich one layer of the base fabric, and three layers of film materials are introduced into the cooling composite shaping device 4 together for extrusion and compositing, so that a two-film composite film cloth is formed by one-layer co-extrusion one-time casting composite.

As shown in fig. 3, a schematic diagram of two-cloth-one-film casting and compounding is shown, one casting die head 13 corresponds to one cooling and compounding shaping device 4, the casting die head 13 flows out of the casting films in a hot-melt state, the casting films in the hot-melt state are respectively cast on the surfaces of two base cloths, the two base cloths sandwich one layer of casting film in the hot-melt state, and three layers of film materials are introduced into the cooling and compounding shaping device 4 together for extrusion compounding, so that three layers of co-extrusion one-time casting and compounding are formed into two-cloth-one-film composite film cloth.

As shown in fig. 4, two casting dies 13 are symmetrically arranged, the two casting dies 13 correspond to one cooling composite shaping device 4, the two casting dies 13 respectively flow out of the casting films in a hot-melt state, the two casting films in the hot-melt state are respectively cast to two sides of the base cloth, or the two casting films in the hot-melt state and the two base cloths are sequentially and alternately compounded, that is, one base cloth is sandwiched between two adjacent casting films, one casting film is sandwiched between two adjacent base cloths, and four film materials are introduced into the cooling composite shaping device 4 together for extrusion and compounding, so that the four-layer co-extrusion one-time casting composite film cloth with two base cloths is formed.

Referring to the above, a first hot-melt compounding is performed, a casting die 13 corresponds to a cooling composite shaping device 4, two layers of base cloth sandwich a layer of casting film in a hot-melt state, three layers of film materials are introduced into the cooling composite shaping device 4 together to be extruded and compounded, a first film material of two layers of one film is formed by casting and compounding, then a second hot-melt compounding is performed, two symmetrically arranged casting dies 13 correspond to the cooling composite shaping device 4, two layers of casting film in a hot-melt state sandwich the first film material, and then are introduced into the cooling composite shaping device 4 together to be extruded and compounded, and a composite film material of two layers of three films is formed by casting and compounding.

As shown in fig. 6, a schematic diagram of three-cloth four-film casting composition is divided into three hot melt compositions, referring to the foregoing description, first hot melt composition is performed, one casting die 13 corresponds to one cooling composite shaping device 4, two layers of base cloth sandwich one layer of casting film in a hot melt state, three layers of film materials are introduced into the cooling composite shaping device 4 together to be extruded and compounded, first film materials of two layers of one film are formed by casting composite, then second hot melt composition is performed, one casting die 13 corresponds to one cooling composite shaping device 4, one layer of casting film in a hot melt state is sandwiched between one layer of base cloth and the first film material, then the first film materials are introduced into the cooling composite shaping device 4 together to be extruded and compounded, second film materials of three layers of two films are formed by casting composite, then third hot melt composition is performed, two symmetrically arranged casting dies 13 correspond to one cooling composite shaping device 4, two layers of casting films in a hot melt state sandwich the second film materials, and then the second film materials are introduced into the cooling composite shaping device 4 together to be extruded and compounded, and the three-cloth four-film composite is formed. Similarly, the composite film cloth with more layers is subjected to multiple hot melt compounding according to the above.

Compared with the prior art, the utility model has the advantages that: the multi-cloth multi-film continuous casting composite forming can be realized, for example, composite film cloth such as a first cloth, a second cloth, a third cloth, a fourth cloth, a plurality of cloths, a plurality of films and the like can be prepared according to specific requirements, the water squeezing, drying and leveling device 2 is used for squeezing, drying, cooling, leveling and shaping the base cloth, the better hot melt casting composite forming is ensured, the quality of products is improved, the cooling composite shaping device 4 can stably squeeze and compound the casting film in a hot melt state with the base cloth, the primary casting composite forming can be realized, the primary cooling and shaping of the film cloth formed by the composite forming can be realized, the cloth storage frame 7 can temporarily store the finished film cloth, and the like, the winding and the material roll replacement of the finished film cloth are facilitated, the equipment structure is compact and stable, the volume is small, the occupied space is small, the processing precision is high, the process is simple, the repeated hot melt composite forming and the like is omitted, the preparation device is low in energy consumption, the production efficiency is high, the productivity is large, waste materials and the leftover materials can be recycled, the product quality is improved, the production cloth can be reduced, the production cost can be reduced, the energy-saving cloth can be used for preparing the cloth, the waterproof cloth can be widely applied to the air duct, and has the purposes of the multipurpose requirements of the waterproof cloth, and the multipurpose air duct can be used for preparing, and has the purposes of the multipurpose, and the application requirements.

The foregoing description of the embodiments of the present utility model is merely illustrative of the technical solutions of the present utility model and not limiting thereof, and it should be understood that modifications and substitutions can be made by those skilled in the art without departing from the inventive concept of the present utility model, and all such modifications and substitutions shall fall within the scope of the appended claims. In this case, all details may be replaced with equivalent elements, and the materials, shapes and sizes may be arbitrary.

Claims (6)

1. A preparation facilities for complex film cloth, its characterized in that includes unwinding device (1), crowded water stoving leveling device (2), dosing unit, extruding machine, casting die (13), cooling complex shaping device (4), cooling device (5) and first draw gear (6) under the effect of first draw gear (6), the base cloth of unwinding device (1) output passes through in turn crowded water stoving leveling device (2) cooling complex shaping device (4) with cooling device (5), crowded water stoving leveling device (2) are used for carrying out crowded water, stoving and cooling flattening shaping to base cloth, the export of dosing unit with the entrance linkage of extruding machine, the export of extruding machine with the entrance linkage of casting die (13), cooling complex shaping device (4) are located the below of casting die (13), dosing unit is with the tectorial membrane material send into in the extruding machine, the extruding machine is with the tectorial membrane material behind the plasticization in casting die (13) the casting die, the casting die (13) carries out the hot-melt shaping to form the complex film of casting complex shaping device and the casting die (13), the state is carried out the hot-melt shaping to the casting film (5) and is carried out the shaping state to form the complex film (5) and is carried out the hot-melt shaping to the product.

2. The preparation device for composite membrane cloth according to claim 1, wherein the wringing, drying and leveling device (2) comprises a third bracket (25), a wringing roller (21), a first pressing roller (22), a heating roller (23) and a first cooling roller (24) are arranged on the third bracket (25), the wringing roller (21) is driven to rotate by a corresponding driving mechanism, the first pressing roller (22) is matched with the wringing roller (21), base cloth passes through between the first pressing roller (22) and the wringing roller (21) to be wringed, the base cloth after wringing is dried by the heating roller (23), and the base cloth after drying is cooled, leveled and shaped by the first cooling roller (24).

3. The apparatus according to claim 1, wherein an outlet of the extruder is connected to an inlet of a screen changer, and an outlet of the screen changer is connected to an inlet of the casting die.

4. The preparation device for composite film cloth according to claim 1, wherein the cooling composite shaping device (4) comprises a first bracket (41), a first driving roller (42) and a second pressing roller (43) which are matched are arranged on the first bracket (41) side by side, cooling mediums are respectively introduced into the first driving roller (42) and the second pressing roller (43), the first driving roller (42) is driven by a corresponding driving mechanism to rotate, and the base cloth passes through between the first driving roller (42) and the second pressing roller (43) together with a casting film in a hot melt state which is cast along the surface of the base cloth to be extrusion composited.

5. The preparation device for composite membrane cloth according to any one of claims 1 to 4, wherein the first traction device (6) comprises a second bracket (61), a trimming assembly and a second driving roller (62) and a third pressing roller (63) which are matched are arranged on the second bracket (61), the second driving roller (62) is driven to rotate by a corresponding driving mechanism, a finished membrane cloth passes through between the second driving roller (62) and the third pressing roller (63) for traction, and the trimming assembly can cut burrs of the finished membrane cloth.

6. The preparation device for composite membrane cloth according to claim 5, further comprising a cloth storage frame (7) and a winding device (11), wherein the cooling device (5), the cloth storage frame (7), the first traction device (6) and the winding device (11) are sequentially arranged.

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