Silk placement and glue spraying device for bulletproof non-woven cloth

Abstract

The utility model discloses a bulletproof non-woven fabric filament placement glue spraying device which comprises a glue preparation system and a glue spraying execution system which are connected with each other, and the glue spraying execution system comprises an atomized lubricator and a spray head arranged on the atomized lubricator; the glue spraying execution system is arranged to be used for converting the mixed glue from the glue spraying system into atomized glue and spraying the atomized glue outwards. According to the bulletproof non-woven fabric fiber placement glue spraying device, the glue preparation system is matched with the glue spraying execution system, so that the product quality and performance of the bulletproof non-woven fabric can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of chemical fibers, specifically, the utility model relates to a bulletproof weftless cloth laying and glue spraying device. BACKGROUND

[0002] Bulletproof weftless cloth composite material of high-performance fiber is a new type of high-performance fiber composite material that appears on the international market in the past decade and is mainly used in the field of high-grade bulletproof. It is also called UD bulletproof cloth, UD cloth, etc. Its basic structure is to make two or more than two layers of weftless cloth arranged in one direction, and cross-lay according to a certain fiber axis rotation angle (mostly 0° / 90° / 0° / 90°). After being compounded by using special adhesive, it forms a soft film form, which is provided as a basic finished material to downstream users for processing into bulletproof finished products.

[0003] The existing technology for producing single-layer bulletproof weftless cloth is a dipping method. In this method, the bulletproof fiber material is evenly arranged in a certain order and then immersed in a glue tank. The glue amount is controlled by scraping. On the one hand, this method requires high fiber tension. After uniform arrangement, the high-performance fiber is immersed in glue. Due to the high viscosity and large surface tension of the glue, the uniformly arranged fibers are easily re-bunched and held together, affecting the uniformity of the fiber arrangement. On the other hand, this passive method of controlling glue content by scraping is not suitable for adjusting the glue content and is easy to scratch the high-performance fiber.

[0004] A embossed non-woven fabric glue spraying device and process is disclosed in Chinese patent application No. 202310213771.8, which includes a base. Two installation side plates are arranged side by side on the base, and a conveying mechanism is installed between the two installation side plates. The conveying mechanism includes a conveying belt, a servo motor A, and multiple transmission rollers A. Multiple placement templates are fixedly arranged on the conveying belt along its path direction. Limiting grooves are formed on the placement templates. An installation seat A is arranged above the conveying mechanism, and an installation frame is arranged on the base. A linear drive mechanism for driving the installation seat A to move is installed on the installation frame. A transmission mechanism is installed on the installation seat A. The transmission mechanism includes a servo motor B, a transmission belt, and multiple transmission rollers B. A glue spraying head is fixedly arranged on the transmission belt. A glue tank is arranged on the installation frame.

[0005] It is desirable to provide an improved bulletproof weftless cloth laying and glue spraying device, particularly with regard to improving the product quality and performance of bulletproof weftless cloth. UTILITY MODEL CONTENTS

[0006] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a bulletproof weftless cloth laying and glue spraying device, which aims to improve the product quality and performance of bulletproof weftless cloth.

[0007] In order to achieve the above object, the utility model takes the technical scheme for: bulletproof weftless cloth silk laying glue spraying device, including the glue mixing system and the glue spraying execution system who connects, the glue spraying execution system includes the oil atomizer and sets up on the oil atomizer and sprays the head, the glue spraying execution system is set up for the mixed glue water from the glue spraying system is converted into atomized glue water, and atomized glue water is sprayed outward.

[0008] The oil atomizer is provided with a plurality of oil atomizers connected with a compressed air source.

[0009] The glue spraying execution system further comprises a spray shunt baffle, and the spray shunt baffle is located above the spray head.

[0010] A glue recovery tank is arranged below the spray shunt baffle, and the glue recovery tank is connected with the glue mixing system.

[0011] The glue spraying execution system further comprises a circulating pump and a constant-temperature glue storage chamber connected with the circulating pump, and the oil atomizer is connected with the circulating pump.

[0012] A heating module and a temperature sensing device are arranged in the constant-temperature glue storage chamber.

[0013] An air release hole is arranged at the top of the constant-temperature glue storage chamber.

[0014] The glue mixing system comprises a glue stirring kettle, and the glue stirring kettle is connected with the constant-temperature glue storage chamber.

[0015] The bulletproof weftless cloth silk laying glue spraying device of the utility model can uniformly coat atomized glue on the surface of the fiber silk and the PE film through the cooperation of the glue mixing system and the glue spraying execution system, does not affect the uniformity of fiber arrangement, can improve the product quality and performance of the bulletproof weftless cloth, and can more accurately control the amount of glue through the spraying mode. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present specification includes the following drawings, and the shown contents are as follows:

[0017] Figure 1 It is a structure schematic view of the bulletproof weftless cloth silk laying glue spraying device of the utility model;

[0018] Figure 2 It is Figure 1 An enlarged view of A in figure

[0019] Figure 3 It is an arrangement schematic view of the oil atomizer;

[0020] Figure 4 It is a shunt effect schematic view of the spray shunt baffle;

[0021] Marked in the figure: 1, oil atomizer; 2, spray head; 3, spray shunt baffle; 4, glue recovery tank; 5, circulating pump; 6, constant temperature glue storage chamber; 7, heating module; 8, temperature sensing device; 9, air vent; 10, glue stirring tank; 11, high viscosity pump; 12, film laying roller; 13, compressed air inlet; 14, filament laying roller; 15, curing roller; 16, film release rack; 17, first shunt plate; 18, second shunt plate. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings, and the purpose is to help the skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical scheme of the present application, and to facilitate its implementation.

[0023] It should be noted that in the following embodiments, the "first", "second" and "third" do not represent the absolute division relationship of structure and / or function, nor represent the execution order, but only for the convenience of description.

[0024] As Figures 1 to 3 shown, the present application provides a kind of bulletproof weftless cloth filament spraying glue device, including glue dispensing system and glue spraying execution system connected, glue spraying execution system includes oil atomizer 1 and the spray head 2 of setting on oil atomizer 1;Glue spraying execution system is set to be used to convert mixed glue from glue spraying system into atomized glue, and atomized glue is sprayed to fiber filament and PE film (polyethylene film) outward.

[0025] Specifically, as Figures 1 to 3 shown, oil atomizer 1 is provided with multiple, all oil atomizers 1 are parallelly arranged, oil atomizer 1 is connected with compressed air source, and compressed air source is used to provide compressed air into oil atomizer 1.Oil atomizer 1 atomizes mixed glue and injects into air flow, flows into spray head 2 with compressed air, forms atomized glue, and spray head 2 sprays atomized glue to fiber filament and PE film.Atomized glue is in mist or small particle form, which can be more evenly coated on the surface of fiber filament and PE film, to realize rapid and effective adhesion of fiber filament and PE film.

[0026] Moreover, the adhesion of fiber filament and PE film is realized by spraying, which can more accurately control the amount of glue than the way of directly immersing fiber in glue in the prior art, and can greatly reduce the use amount of glue to reduce the areal density of product.Further, it can avoid the setting of subsequent glue scraping process, and can avoid the adverse effect of glue scraping process on the uniformity of fiber arrangement (the glue immersion in the prior art is that fiber is completely immersed in glue, and subsequent only glue scraping roller or glue scraping sheet can be used to scrape excess glue, which will affect the uniformity of fiber arrangement).

[0027] As Figure 1And Figure 2 As shown in the figure, the glue spraying execution system further comprises a spray shunt baffle 3 located above the spray head 2. A glue recovery tank 4 is arranged below the spray shunt baffle 3, and the glue recovery tank 4 is connected with the glue dispensing system. After the spray head 2 sprays the atomized glue outward, the spray shunt baffle 3 shunts the atomized glue, and the spray shunt baffle 3 divides the atomized glue into two parts. The first part of the atomized glue is guided by the spray shunt baffle 3 to the fiber yarn, and finally adheres to the fiber yarn uniformly distributed. The second part of the atomized glue is guided by the spray shunt baffle 3 to the PE film, and finally adheres to the PE film.

[0028] In addition, a part of the glue will remain on the spray shunt baffle 3, and the glue remaining on the spray shunt baffle 3 will drip downward into the glue recovery tank 4. The glue collected in the glue recovery tank 4 flows back to the glue dispensing system, reducing the waste of glue.

[0029] As shown in the figure, Figure 1 , Figure 2 and Figure 4 The spray shunt baffle 3 is in a V-shaped structure, and comprises a first shunt plate 17 and a second shunt plate 18. The first shunt plate 17 and the second shunt plate 18 are arranged obliquely, and the first shunt plate 17 and the second shunt plate 18 are in a V-shaped distribution. The lower end of the first shunt plate 17 is fixedly connected with the lower end of the second shunt plate 18, forming a bottom of the spray shunt baffle 3 in a pointed structure. The glue recovery tank 4 is located below the first shunt plate 17 and the second shunt plate 18. The first shunt plate 17 is located below the fiber yarn transported to the curing roller 15, and the first part of the atomized glue is guided by the first shunt plate 17 to the surface of the fiber yarn. The second shunt plate 18 is located below the PE film transported to the curing roller 15, and the second part of the atomized glue is guided by the second shunt plate 18 to the surface of the PE film.

[0030] By arranging the spray shunt baffle 3, the glue can be coated on the fiber yarn and the PE film according to the predetermined proportion, reducing the waste of glue and improving the production efficiency. Good coating effect can be obtained for both the fiber yarn and the PE film, ensuring the product quality. Through the spray shunt baffle 3, the coating work of two different materials can be completed at one time, simplifying the operation process and reducing the labor cost.

[0031] As preferred, as Figure 4As shown, the spray head 2 is vertically arranged, and the upper end of the spray head 2 is provided with a circular glue outlet for spraying the atomized glue outward. The tip bottom of the spray diversion baffle 3 (the lower end connecting portion of the first diversion baffle 17 and the second diversion baffle 18) is staggered with the upper end glue outlet of the spray head 2, and the tip bottom of the spray diversion baffle 3 is located above the glue recovery groove 4. The height of the tip bottom of the spray diversion baffle 3 is greater than the height of the upper end glue outlet of the spray head 2. There is a certain distance between the two projections of the center points of the tip bottom of the spray diversion baffle 3 and the upper end glue outlet of the spray head 2 on the same horizontal plane. There is a certain distance between the vertical plane where the center points of the tip bottom of the spray diversion baffle 3 and the upper end glue outlet of the spray head 2 are located. The vertical plane where the center point of the upper end glue outlet of the spray head 2 is located is between the fiber yarn and the tip bottom of the spray diversion baffle 3. In this way, the glue amount of the first part of the atomized glue can be greater than the glue amount of the second part of the atomized glue.

[0032] The spray head 2 is fixed on one side of the spray diversion baffle 3. This staggered arrangement can effectively divert most of the atomized glue to the side of the fiber yarn and a small part to the PE film, so that more atomized glue adheres to the fiber yarn. On the one hand, it can accelerate the evaporation of water in the heating and curing process, and on the other hand, it can help the adhesion between fibers. In addition, in the subsequent compounding process, the differential diversion design allows a small amount of atomized glue to adhere to the PE film, which is more conducive to the film peeling process.

[0033] As shown in Figure 1 and Figure 2 The glue spraying execution system further comprises a circulating pump 5 and a constant temperature glue storage chamber 6 connected with the circulating pump 5. The oil atomizer 1 is connected with the circulating pump 5, and the circulating pump 5 is used to deliver the mixed glue in the constant temperature glue storage chamber 6 to the oil atomizer 1. The outlet end of the constant temperature glue storage chamber 6 is connected with the inlet end of the circulating pump 5, and the outlet end of the circulating pump 5 is connected with the inlet end of the oil atomizer 1. A heating module 7 and a temperature sensing device 8 are arranged in the constant temperature glue storage chamber 6. The heating module 7 is used to heat the mixed glue in the constant temperature glue storage chamber 6, so that the temperature of the mixed glue in the constant temperature glue storage chamber 6 reaches a set value. The temperature sensing device 8 is used to detect the temperature of the mixed glue in the constant temperature glue storage chamber 6.

[0034] The constant-temperature glue storage chamber 6 is further provided with a liquid level sensing device. The liquid level sensing device is used to detect the liquid level in the constant-temperature glue storage chamber 6. The liquid level sensing device, the heating module 7 and the temperature sensing device 8 are electrically connected with the control system. During the process of the mixed glue entering the constant-temperature glue storage chamber 6, when the liquid level in the constant-temperature glue storage chamber 6 rises and triggers the liquid level sensing device, the control system controls the heating module 7 to start working to heat the mixed glue. The control system sets a temperature interval corresponding to the high temperature and the low temperature respectively. The temperature sensing device 8 monitors the temperature in real time and displays. When the temperature of the mixed glue rises to the set high temperature, the heating module 7 stops heating. When the temperature of the mixed glue drops to the set low temperature, the heating module 7 starts heating again.

[0035] As shown in Figure 1 , the top of the constant-temperature glue storage chamber 6 is provided with a degassing hole 9.

[0036] As shown in Figure 1 , the glue dispensing system includes a glue stirring kettle 10 connected with the constant-temperature glue storage chamber 6.

[0037] As shown in Figure 1 , the water inlet of the glue stirring kettle 10 is connected with an external water source. The water source provides external water to the glue stirring kettle 10. The glue inlet of the glue stirring kettle 10 is connected with a glue storage tank through a high-viscosity pump 11. The high-viscosity pump 11 transports the glue in the glue storage tank to the glue stirring kettle 10. The glue recovery tank 4 is connected with the glue stirring kettle 10. The glue outlet provided at the bottom of the glue stirring kettle 10 is connected with the glue inlet provided on the constant-temperature glue storage chamber 6.

[0038] As shown in Figure 1 , the bulletproof weftless cloth main device includes a rotatable curing roller 15. After the atomized glue is coated on the surface of the fiber yarn and the PE film, the fiber yarn and the PE film are bonded together through the atomized glue. The atomized glue acts as an adhesive and can form an adhesive layer between the fiber yarn and the PE film. The bonded fiber yarn and PE film are wound on the curing roller 15. The curing roller 15 heats or applies other curing conditions (such as ultraviolet irradiation) to the fiber yarn and PE film wound thereon. These curing conditions promote the chemical reaction of the adhesive components in the atomized glue, thereby curing and enhancing the bonding strength between the fiber yarn and the PE film.

[0039] As shown in Figure 1 Figure 1As shown, the air inlet of the oil mist device 1 is connected to a compressed air source. By actively adjusting the air pressure of the compressed air entering the oil mist device 1, the amount of atomized glue formed inside the oil mist device 1 can be controlled, thereby controlling the amount of atomized glue sprayed onto the fiber filaments and the surface of the PE film, ultimately achieving the effect of controlling the adhesion between the fiber filaments and the PE film. For example, the greater the air pressure of the compressed air entering the oil mist device 1, the greater the amount of atomized glue formed inside the oil mist device 1, and the greater the amount of atomized glue sprayed onto the fiber filaments and the surface of the PE film, ultimately achieving a higher adhesion between the fiber filaments and the PE film. By actively regulating the air pressure to control the amount of atomized glue, the control method is easier to implement and operate, and the bulletproof non-woven fabric produced in this way has better performance.

[0040] In the present utility model, the inner walls of all equipment directly in contact with glue, such as pipes involved in glue transportation, spray diversion baffles, stirring kettles, glue recovery tanks, constant temperature glue storage rooms, etc., are directly or indirectly coated or sprayed with barrier materials such as PTFE (polytetrafluoroethylene) and PI (polyimide) to prevent the glue from solidifying and agglomerating due to long-term contact.

[0041] The method for performing wire laying and glue spraying on bulletproof non-woven fabric using the above-mentioned structure of the wire laying and glue spraying device comprises the following steps:

[0042] S1, the glue dispensing system dispenses glue to form mixed glue;

[0043] S2, the glue spraying execution system heats the mixed glue;

[0044] S3. The glue spraying execution system sprays the heated mixed glue outward onto the fiber filaments and PE film.

[0045] In step S1, glue and external water are delivered into the glue mixing tank 10 in a ratio of 1:10-20 until the liquid level in the glue mixing tank 10 reaches a height of 1 / 2-3 / 2 of the glue mixing tank 10, and then stirring is started. During stirring, the speed of the glue mixing tank 10 is set to 30-100 rpm, and the stirring time is continued for 10-20 minutes.

[0046] In the above step S2, after the stirring is completed, the valve of the glue outlet at the bottom of the glue stirring kettle 10 is opened to discharge the mixed glue into the constant temperature glue storage chamber 6, and then the heating module 7 heats the mixed glue, setting the high temperature to 60°C and the low temperature to 55°C. While the temperature is stable, the fiber filaments and PE film are manually laid.

[0047] In step S3, after the temperature of the mixed glue in the constant temperature glue storage chamber 6 reaches the set high temperature, the bulletproof weftless cloth main device is started, the compressed air source is opened, the pressure of the compressed air in the oil atomizer 1 is set to 0.5-2Mpa, the circulating pump 5 is started, the mixed glue in the constant temperature glue storage chamber 6 is delivered to each oil atomizer 1, the mixed glue is atomized by the oil atomizer 1 under the action of the compressed air and sprayed out by the spray head 2. Under the action of the spray shunt baffle 3 above the spray head 2, most of the atomized glue is adhered to the uniformly distributed fiber filaments, a small part of the atomized glue is adhered to the PE film, and a part of the atomized glue drops into the glue recovery tank 4 through the spray shunt baffle 3, the glue collected in the glue recovery tank 4 is returned to the glue stirring kettle 10 through the pipeline.

[0048] The utility model is described exemplarily above in combination with the drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, all of them are within the protection scope of the utility model.

Claims

1. A bulletproof non-woven fabric laying and gluing device, characterized in that: It includes a glue dispensing system and a glue spraying execution system connected to each other. The glue spraying execution system includes an oil mist device and a nozzle arranged on the oil mist device. The glue spraying execution system is configured to convert the mixed glue from the glue spraying system into atomized glue and spray the atomized glue outward.

2. The bulletproof non-woven fabric laying and gluing device according to claim 1, characterized in that: A plurality of lubricators are provided, and the lubricators are connected to a compressed air source.

3. The bulletproof non-woven fabric laying and gluing device according to claim 1, characterized in that: The glue spraying execution system further includes a spray diversion baffle, which is located above the spray head.

4. The bulletproof non-woven fabric laying and gluing device according to claim 3, characterized in that: A glue recovery tank is provided below the spray diversion baffle, and the glue recovery tank is connected to the glue dispensing system.

5. The bulletproof non-woven fabric laying and gluing device according to any one of claims 1 to 4, characterized in that: The glue spraying execution system further comprises a circulation pump and a constant temperature glue storage chamber connected to the circulation pump, and the oil mist device is connected to the circulation pump.

6. The bulletproof non-woven fabric laying and gluing device according to claim 5, characterized in that: A heating module and a temperature sensing device are arranged in the constant temperature glue storage chamber.

7. The bulletproof non-woven fabric laying and gluing device according to claim 5, characterized in that: An air release hole is provided on the top of the constant temperature glue storage chamber.

8. The bulletproof non-woven fabric laying and gluing device according to claim 7, characterized in that: The glue dispensing system includes a glue stirring kettle, which is connected to the constant temperature glue storage chamber.

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