High-performance composite printed square carpet production process and production equipment thereof

Abstract

The invention provides a high-performance composite printed square carpet production process and production equipment thereof, and the production process comprises the following steps: (1) melting and mixing a copolymerization type primary phosphorus flame retardant and copolymerization type polyester chips to prepare a blending type flame-retardant master batch, and melting and mixing dispersed ink and the copolymerization type polyester chips to prepare a blending type color master batch; (2) melting and mixing the blending type flame-retardant master batch and the blending type color master batch to prepare colored expanded silk yarn, and twisting and shaping the expanded silk yarn to prepare colored bent yarn; and (3) taking a spun-bonded non-woven fabric as a middle base fabric, tufting the colored elbow yarns on the front surface of the middle base fabric, gluing and fixing the yarns on the back surface of the middle base fabric to obtain a surface-layer blank carpet, and coiling the surface-layer blank carpet through a coiling machine. The surface layer of the blank carpet is made of the flame-retardant polyester yarn, the advantages that the polyester yarn is good in flame retardance, free of water absorption, good in pollution resistance, good in aging resistance, environmentally friendly and recyclable are fully utilized, and the flame-retardant grade of the produced carpet can reach the GB 8624-2012B grade standard.

Description

Technical Field

[0001] The invention relates to the technical field of carpets, and in particular to a production process and production equipment of a high-performance composite printed square carpet. Background Art

[0002] Carpet is a floor covering made of natural fibers such as cotton, linen, wool, silk, grass yarn, or chemical synthetic fibers, knitted, piled, or woven by hand or mechanical processes. Carpets are used to cover the floors of residences, hotels, conference rooms, entertainment venues, gymnasiums, exhibition halls, vehicles, ships, and airplanes, and have the functions of reducing noise, heat insulation, improving foot feel, and preventing slipping. Existing carpets use PVC base and glass fiber base cloth, which has a complex production process and poor product stability.

[0003] In view of this, the inventor of this case conducted in-depth research on the above-mentioned issues, which resulted in this case. Summary of the invention

[0004] The first object of the present invention is to address the above shortcomings and provide a high-performance composite printed square carpet production process that can produce a double-layer composite carpet with high strength and stable performance. The double-layer composite material is firmly bonded by EVA glue, and the EVA glue has strong adhesion. It plays a role in fixing the yarn while bonding the double-layer composite material, thereby ensuring the quality of the finished product.

[0005] The first solution adopted by the present invention to solve the technical problem is: a high-performance composite printed square carpet production process, comprising the following steps:

[0006] (1) melt-mixing a copolymerized primary phosphorus flame retardant and a copolymerized polyester chip to prepare a blended flame retardant masterbatch, and melt-mixing a dispersed ink and a copolymerized polyester chip to prepare a blended color masterbatch;

[0007] (2) melt-mixing the blended flame retardant masterbatch and the blended color masterbatch to obtain colored bulked silk yarn, and twisting and shaping the bulked silk yarn to obtain colored elbow yarn;

[0008] (3) taking a spunbond nonwoven fabric as an intermediate base fabric, tufting a colored elbow yarn on the front side of the intermediate base fabric, and applying glue to the back side of the intermediate base fabric to fix the yarn, thereby obtaining a surface blanket, and rolling the surface blanket into a roll by a winding machine;

[0009] (4) The polyester staple fiber is mixed with the hot melt material, and is initially opened and mixed in a high-speed mixer, and then is mixed and opened in a high-speed mixer for a second time, and an antistatic agent is sprayed at the same time, and then the fiber layer formed by the mixed opening is supplied to a carding machine, and then the fiber layer output by the carding machine is stacked in a cross manner by a web laying machine to form a fiber web, and then the fiber web is needled by a pre-needling machine, and then the fiber web is needled up and down at a high speed and high density by a five-pass high-frequency main needle loom, so as to obtain a bottom blank blanket with a certain high strength, and finally the bottom blank blanket is rolled by a winding machine;

[0010] (5) The bottom blanket is pulled by the unwinder to the glue coating machine to be coated with EVA glue, and the excess glue is scraped off by the scraper device. At the same time, the top blanket is pulled under the bottom blanket by the tenter-type setting machine to laminate the two blankets. Then, the tenter-type setting machine pulls the laminated two blankets into an oven. After being baked at high temperature in the oven, the glue is dried and solidified, and the two blankets are bonded together to form a composite blanket. Finally, it is pulled by the cloth storage rack for cooling and wound up by the winder.

[0011] (6) placing the composite blank blanket on the unwinding machine, and the composite blank blanket is pulled by the cloth storage rack to the high-definition printer to print the pattern, and then the composite blank blanket with the sprayed pattern is pulled by the tenter-type setting machine into the oven in parallel, and the printed composite blank blanket is dried, colored and fixed in the oven, and then the composite blank blanket is pulled to the cloth rack for cooling;

[0012] (7) Finally, the composite blank blanket is subjected to a hot pressing treatment with a roller pressing device, and then to a cold pressing treatment. After the composite blank blanket is fully cooled after the cold pressing, the composite blank blanket is punched into blocks by a punching machine to obtain a composite printed square blanket.

[0013] Furthermore, in order to make the carpet have better flame retardant function; in step (1), the mass percentage of the copolymerized native phosphorus flame retardant in the mixture is 30-40%, and the mass percentage of the copolymerized polyester chips in the mixture is 60-70%.

[0014] Furthermore, in order to simplify the production process and improve production efficiency; in step (1), the copolymerized native phosphorus flame retardant and the copolymerized polyester chips are processed by melt spinning chip process, and the spinning chip process temperature is 220-250°C.

[0015] Furthermore, a colored carpet is produced to increase the color of the carpet; in step (2), the mass percentage of the blended flame retardant masterbatch in the mixture is 30-40%, and the mass percentage of the blended color masterbatch in the mixture is 2-3%.

[0016] Furthermore, in order to improve the anti-lodging property of the carpet; in step (2), the blended flame retardant masterbatch and the blended color masterbatch are processed by melt spinning process, and the spinning process temperature is 260-295°C.

[0017] Furthermore, in order to improve the stability of the carpet; in step (4), the polyester staple fiber fineness is 4-14.43Dtex, the polyester staple fiber length is 51-75mm, and the hot-melt material includes a low-melting point polyester material so that the low-melting point polyester material is completely melted under the high temperature of the oven to bond the fibers to each other and reinforce the bottom blank carpet structure.

[0018] The second object of the present invention is to address the above shortcomings and provide a high-performance composite printed square carpet production equipment that can produce a double-layer composite carpet with high strength and stable performance. The double-layer composite material is firmly bonded by EVA glue, and the EVA glue has strong adhesion. It plays a role in fixing the yarn while bonding the double-layer composite material, thereby ensuring the quality of the finished product.

[0019] The second solution adopted by the present invention to solve the technical problem is: a high-performance composite printed square carpet production equipment, including an unwinder, a glue coating machine, a scraper device, a tentering type setting machine, a roller pressing device and a cutting machine, the glue coating machine includes a front rubber roller, a rear rubber roller for conveying the blank blanket and a glue outlet pipe for supplying EVA glue, the rear rubber roller is arranged on the rear side of the front rubber roller and the front rubber roller and the rear rubber roller are rollingly matched, the glue outlet pipe is arranged above the side of the front rubber roller close to the rear rubber roller, the glue outlet pipe is provided with a plurality of glue outlet holes, and each glue outlet hole is provided with a control valve for controlling the glue outlet amount of the glue outlet hole.

[0020] Furthermore, in order to avoid uneven glue discharge, resulting in less glue in some places on the rear rubber roller, resulting in uneven glue layer on the carpet, the uniform coating of EVA glue is effectively guaranteed; the glue coating machine also includes a controller for controlling the control valve switch to thereby adjust the glue discharge from the rubber pipe and a photoelectric sensor for detecting the glue distribution on the front rubber roller, the photoelectric sensor is connected to the controller so as to send the glue distribution on the front rubber roller to the controller, and the controller is connected to the control valve so as to control the control valve switch according to the glue distribution and thereby adjust the glue distribution on the front rubber roller.

[0021] Furthermore, in order to improve the drying efficiency and at the same time promote the circulation of high-temperature air in the oven to ensure uniform temperature in the upper and lower parts of the oven, thereby ensuring uniform drying of the carpet; the tenter-type setting machine includes an oven, and a heating mechanism and a fan mechanism are provided in the oven. The heating mechanism includes a mounting frame and an infrared heating tube, the mounting frame can be lifted and installed in the oven, the infrared heating tube is installed on the mounting frame, and the fan mechanism includes a plurality of fans arranged on the side walls of the oven and a plurality of turbine fans on the top wall of the oven.

[0022] Furthermore, in order to ensure that the produced carpet has stable size and thickness; the rolling device includes a hot pressing mechanism and a cold pressing mechanism, the hot pressing mechanism includes a frame, an upper pressing roller and a lower pressing roller, the upper pressing roller is installed on the frame so as to be adjustable up and down, the lower pressing roller is rotatably installed on the frame and the lower pressing roller is located below the upper pressing roller, the frame is provided with a ruler for measuring the distance between the upper pressing roller and the lower pressing roller on both sides of the lower pressing roller, the ruler is provided with a movable long groove for movably passing through the upper pressing roller, the ruler is provided with scale lines on both sides of the movable long groove, the upper pressing roller is provided with a center line on both sides for convenient reading of the scale, the upper pressing roller is provided with a cooling flow channel for cooling the upper pressing roller, the cooling flow channel is connected to a cooling water pipe, the lower pressing roller is provided with a heating flow channel for heating the lower pressing roller, the heating flow channel is connected to a heating water pipe.

[0023] Compared with the prior art, the present invention has the following advantages:

[0024] (1) The surface material of the blank carpet of the present invention is flame-retardant polyester yarn, which fully utilizes the advantages of polyester yarn, such as good flame retardancy, no water absorption, good stain resistance, good aging resistance, environmental protection and recyclability. The flame retardancy grade of the produced carpet can reach GB 8624-2012 B grade standard. Among them, the spinning process used for polyester yarn and the tufting machine model suitable for polyester yarn can greatly improve its lodging resistance;

[0025] (2) The middle base fabric of the tufted woven blanket of the present invention adopts a non-woven base fabric from a domestic advanced enterprise, the product size is relatively stable, and the deformation shrinkage is small. The EVA glue adopts the imported Belgian Yuerxi EVA glue with good yarn fixing effect; the glue amount reaches 1100 grams, the yarn fixing effect is good, and the adhesion is strong. The bottom layer of the environmentally friendly non-woven fabric adopts polyester fiber, combined with low-melting special materials, and through a multi-pass hot drying production process, the stability of the product can be greatly enhanced;

[0026] (3) The present invention adopts a double-layer composite process to reduce production processes and adopts a glue coating process design so that the double-layer composite material is firmly bonded by EVA. By improving the oven, the temperature of the bottom and the surface layer can be controlled, thereby effectively avoiding problems such as unevenness and arching of the product, improving the double-layer composite plasticizing time, and the equipment has strong automatic control, stable quality, and high production efficiency. The products produced meet the paving requirements in terms of thickness and hardness;

[0027] (4) The present invention improves the glue coating machine to effectively solve the problems of poor uniformity and large amount of glue coating on the traditional blank blanket. During glue coating, glue is discharged through the glue outlet pipe, and the amount of glue on the front glue roller is monitored in real time with the photoelectric sensor to ensure uniform glue discharge and uniform glue coating, thereby effectively improving the glue coating quality of the product and ensuring the uniformity and service life of the finished product glue layer. In addition, the hot pressing mechanism adopts an upper cold and lower hot hot pressing structure, which has a better hot pressing effect. In addition, the structure that the upper pressing roller can be adjusted up and down can also be adjusted according to different hot pressing requirements of different products, which is very flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The present invention will be further described below with reference to the accompanying drawings in conjunction with embodiments:

[0029] Figure 1 It is a structural diagram of the production equipment;

[0030] Figure 2 It is a structural schematic diagram of a glue coating machine;

[0031] Figure 3 It is a structural cross-sectional view of the glue coating machine;

[0032] Figure 4 It is a structural schematic diagram of a hot pressing mechanism;

[0033] Figure 5 It is a structural cross-sectional view of the hot pressing mechanism.

[0034] In the figure: unwinder 1; glue coating machine 2; front rubber roller 21; rear rubber roller 22; glue outlet pipe 23; photoelectric sensor 24; tenter-type setting machine 3; roller pressing device 4; frame 41; upper pressing roller 42; lower pressing roller 43; measuring ruler 44; cutting machine 5; surface blanket 6; bottom blanket 7; composite blanket 8. DETAILED DESCRIPTION

[0035] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments:

[0036] Embodiment 1: This embodiment provides a high-performance composite printed square carpet production process, comprising the following steps:

[0037] (1) melt-mixing a copolymerized primary phosphorus flame retardant and a copolymerized polyester chip to prepare a blended flame retardant masterbatch, and melt-mixing a dispersed ink and a copolymerized polyester chip to prepare a blended color masterbatch;

[0038] (2) melt-mixing the blended flame retardant masterbatch and the blended color masterbatch to obtain colored bulked silk yarn, and twisting and shaping the bulked silk yarn to obtain colored elbow yarn;

[0039] (3) taking a spunbond nonwoven fabric as an intermediate base fabric, tufting a colored elbow yarn on the front side of the intermediate base fabric, and applying glue to the back side of the intermediate base fabric to fix the yarn, thereby obtaining a surface blanket, and rolling the surface blanket into a roll by a winding machine;

[0040] (4) The polyester staple fiber is mixed with the hot melt material, and is initially opened and mixed in a high-speed mixer, and then is mixed and opened in a high-speed mixer for a second time, and an antistatic agent is sprayed at the same time, and then the fiber layer formed by the mixed opening is supplied to a carding machine, and then the fiber layer output by the carding machine is stacked in a cross manner by a web laying machine to form a fiber web, and then the fiber web is needled by a pre-needling machine, and then the fiber web is needled up and down at a high speed and high density by a five-pass high-frequency main needle loom, so as to obtain a bottom blank blanket with a certain high strength, and finally the bottom blank blanket is rolled by a winding machine;

[0041] (5) The bottom blanket is pulled by the unwinder to the glue coating machine to be coated with EVA glue, and the excess glue is scraped off by the scraper device. At the same time, the top blanket is pulled under the bottom blanket by the tenter-type setting machine to laminate the two blankets. Then, the tenter-type setting machine pulls the laminated two blankets into an oven. After being baked at high temperature in the oven, the glue is dried and solidified, and the two blankets are bonded together to form a composite blanket. Finally, it is pulled by the cloth storage rack for cooling and wound up by the winder.

[0042] (6) placing the composite blank blanket on the unwinding machine, and the composite blank blanket is pulled by the cloth storage rack to the high-definition printer to print the pattern, and then the composite blank blanket with the sprayed pattern is pulled by the tenter-type setting machine into the oven in parallel, and the printed composite blank blanket is dried, colored and fixed in the oven, and then the composite blank blanket is pulled to the cloth rack for cooling;

[0043] (7) Finally, the composite blank blanket is subjected to a hot pressing treatment with a roller pressing device, and then to a cold pressing treatment. After the composite blank blanket is fully cooled after the cold pressing, the composite blank blanket is punched into blocks by a punching machine to obtain a composite printed square blanket.

[0044] In this embodiment, in order to make the carpet have better flame retardant performance; in step (1), the mass percentage of the copolymerized primary phosphorus flame retardant in the mixture is 30-40%, and the mass percentage of the copolymerized polyester chips in the mixture is 60-70%.

[0045] In this embodiment, in order to simplify the production process and improve production efficiency, in step (1), the copolymerized native phosphorus flame retardant and the copolymerized polyester chips are processed by melt spinning chip process, and the spinning chip process temperature is 220-250°C.

[0046] In this embodiment, a colored carpet is produced to increase the color of the carpet; in step (2), the mass percentage of the blended flame retardant masterbatch in the mixture is 30-40%, and the mass percentage of the blended color masterbatch in the mixture is 2-3%.

[0047] In this embodiment, in order to improve the anti-lodging property of the carpet, in step (2), the blended flame retardant masterbatch and the blended color masterbatch are processed by melt spinning process, and the spinning process temperature is 260-295°C.

[0048] In this embodiment, in order to improve the stability of the carpet; in step (4), the polyester staple fiber fineness is 4-14.43Dtex, the polyester staple fiber length is 51-75mm, and the hot-melt material includes a low-melting point polyester material so that the low-melting point polyester material is completely melted under the high temperature of the oven to bond the fibers to each other and reinforce the bottom blank carpet structure.

[0049] Embodiment 2: Figure 1-5 As shown, this embodiment provides a high-performance composite printed square carpet production equipment, including an unwinder 1, a glue coating machine 2, a scraper device, a tentering type setting machine 3, a roller pressing device 4 and a cutter 5, the glue coating machine 2 includes a front glue roller 21, a rear glue roller 22 for conveying a bottom blank blanket, and a glue outlet pipe 23 for supplying EVA glue, the glue coating machine 2 also includes a conveying roller group for conveying a surface layer blank blanket, and a pressing roller group for pressing the surface layer blank blanket and the bottom layer blank blanket, the rear glue roller 22 is arranged at the rear side of the front glue roller 21 and the front glue roller 21 and the rear glue roller 22 are rollingly matched, the glue outlet pipe 23 is arranged above the side of the front glue roller 21 close to the rear glue roller 22, and the glue outlet pipe 23 is provided with a plurality of glue outlet holes, and each glue outlet hole is provided with a control valve for controlling the glue outlet amount of the glue outlet hole.

[0050] In this embodiment, in order to avoid uneven glue discharge, resulting in less glue in some places on the rear rubber roller 22, resulting in uneven glue layer on the carpet, the uniform coating of EVA glue is effectively guaranteed; the glue coating machine 2 also includes a controller for controlling the control valve switch and thus controlling the glue discharge of the glue outlet pipe 23, and a photoelectric sensor 24 for detecting the glue distribution on the front rubber roller 21. The photoelectric sensor 24 is connected to the controller so as to send the glue distribution on the front rubber roller 21 to the controller, and the controller is connected to the control valve so as to control the control valve switch according to the glue distribution and thus adjust the glue distribution on the front rubber roller 21.

[0051] In this embodiment, in order to improve the drying efficiency, at the same time, the high-temperature air in the oven is promoted to circulate, so as to ensure that the temperature in the upper and lower parts of the oven is uniform, thereby ensuring uniform drying of the carpet; the stenter-type setting machine 3 includes an oven, and a heating mechanism and a fan mechanism are provided in the oven. The heating mechanism includes a mounting frame and an infrared heating tube. The mounting frame can be lifted and installed in the oven, and the infrared heating tube is installed on the mounting frame. The fan mechanism includes a plurality of fans arranged on the side walls of the oven and a plurality of turbine fans on the top wall of the oven. Here, the mounting frame includes a first support rod and a second support rod, and the first support rod and the second support rod are hingedly connected. The other end of the first support rod is rotatably installed on the frame, and the other end of the second support rod is provided with an elastic clamp, and the infrared heating tube is installed on the elastic clamp so that the installation height of the infrared heating tube can be changed by rotating the first support rod and the second support rod.

[0052] In this embodiment, in order to ensure that the produced carpet has stable size and thickness; the rolling device 4 includes a hot pressing mechanism and a cold pressing mechanism, and the hot pressing mechanism includes a frame 41, an upper pressing roller 42 and a lower pressing roller 43. The upper pressing roller 42 is mounted on the frame 41 so as to be adjustable up and down, and the lower pressing roller 43 is rotatably mounted on the frame 41 and is located below the upper pressing roller 42. The frame 41 is provided with a ruler 44 on both sides of the lower pressing roller 43 for measuring the distance between the upper pressing roller 42 and the lower pressing roller 43. The ruler 44 is provided with a movable long groove for movably passing through the upper pressing roller 42. The ruler 44 is provided with scale lines on both sides of the movable long groove. The upper pressing roller 42 is provided with a center line on both sides for convenient reading of the scale. The upper pressing roller 42 is provided with a cooling channel for cooling the upper pressing roller 42, and the cooling channel is connected to a cooling water pipe. The lower pressing roller 43 is provided with a heating channel for heating the lower pressing roller 43, and the heating channel is connected to a heating water pipe.

[0053] The frame 41 includes two mounting plates arranged opposite to each other, a slide groove is provided on the mounting plate, a slider is slidably installed on the slide groove, a screw seat is provided on the mounting plate and is located above the slide groove, a screw is threadedly installed on the screw seat, a rotating hand wheel is provided on the top of the screw, and the bottom of the screw is rotatably installed on the slider to drive the slider to move up and down along the slide groove, and the two ends of the upper pressure roller 42 are rotatably installed on the two sliders through bearings so as to adjust the distance with the lower pressure roller 43 as the slider moves up and down.

[0054] The surface layer material of the blank blanket of the present invention adopts flame-retardant polyester yarn, and fully utilizes the advantages of polyester yarn such as good flame retardancy, no water absorption, good anti-fouling property, good anti-aging property, and environmental protection and recycling. The flame retardancy grade of the produced carpet can reach GB 8624-2012 B grade standard, wherein the spinning process adopted by the polyester yarn and the tufting machine model suitable for the polyester yarn can greatly improve its lodging resistance; the middle base fabric of the tufted blank blanket adopts Freudenberg spunbonded non-woven base fabric, the product size is relatively stable, and the deformation shrinkage is small, and the EVA glue adopts the imported Belgian Yuerxi EVA glue with good yarn fixing effect; the glue amount reaches 1100 grams, the yarn fixing effect is good, and the bonding property is strong; the bottom layer of the environmentally friendly non-woven fabric adopts polyester fiber, and is matched with low-melting special materials, and the stability of the product can be greatly enhanced through a multi-pass hot drying production process; a double-layer composite process is adopted to reduce the production process, and a glue coating process design is adopted to make the double-layer composite material firmly bonded by EVA, and the temperature of the bottom and the surface layer can be controlled by improving the oven, Thereby, problems such as unevenness and arching of the product are effectively avoided, the double-layer composite plasticizing time is improved, the equipment has strong automatic control, stable quality, high production efficiency, and the products produced meet the paving requirements in terms of thickness and hardness; in addition, the present invention improves the glue coating machine to effectively solve the problems of poor uniformity and large amount of glue coating of traditional blank blankets. When coating, glue is discharged through a glue discharge pipe, and a photoelectric sensor is used to monitor the amount of glue on the front glue roller in real time to ensure uniform glue discharge and thus uniform glue coating, thereby effectively improving the product glue coating quality and ensuring the uniformity and service life of the finished glue layer. In addition, the hot pressing mechanism adopts an upper cold and lower hot hot pressing structure, which has a better hot pressing effect, and the structure that the upper pressing roller can be adjusted up and down can also be adjusted according to different hot pressing requirements of different products, and is very flexible to use.

[0055] The preferred embodiments listed above further illustrate the objectives, technical solutions and advantages of the present invention in detail. It should be understood that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-performance composite printed carpet tile production process, characterized in that: The following steps are involved: (1) melt-mixing a copolymerized primary phosphorus flame retardant and a copolymerized polyester chip to prepare a blended flame retardant masterbatch, and melt-mixing a dispersed ink and a copolymerized polyester chip to prepare a blended color masterbatch; (2) melt-mixing the blended flame retardant masterbatch and the blended color masterbatch to obtain colored bulked silk yarn, and twisting and shaping the bulked silk yarn to obtain colored elbow yarn; (3) taking a spunbond nonwoven fabric as an intermediate base fabric, tufting a colored elbow yarn on the front side of the intermediate base fabric, and applying glue to the back side of the intermediate base fabric to fix the yarn, thereby obtaining a surface blanket, and rolling the surface blanket into a roll by a winding machine; (4) The polyester staple fiber is mixed with the hot melt material, and is initially opened and mixed in a high-speed mixer, and then is mixed and opened in a high-speed mixer for a second time, and an antistatic agent is sprayed at the same time, and then the fiber layer formed by the mixed opening is supplied to a carding machine, and then the fiber layer output by the carding machine is stacked in a cross manner by a web laying machine to form a fiber web, and then the fiber web is needled by a pre-needling machine, and then the fiber web is needled up and down at a high speed and high density by a five-pass high-frequency main needle loom, so as to obtain a bottom blank blanket with a certain high strength, and finally the bottom blank blanket is rolled by a winding machine; (5) The bottom blanket is pulled by the unwinder to the glue coating machine to be coated with EVA glue, and the excess glue is scraped off by the scraper device. At the same time, the top blanket is pulled under the bottom blanket by the tenter-type setting machine to laminate the two blankets. Then, the tenter-type setting machine pulls the laminated two blankets into an oven. After being baked at high temperature in the oven, the glue is dried and solidified, and the two blankets are bonded together to form a composite blanket. Finally, it is pulled by the cloth storage rack for cooling and wound up by the winder. (6) placing the composite blank blanket on the unwinding machine, and the composite blank blanket is pulled by the cloth storage rack to the high-definition printer to print the pattern, and then the composite blank blanket with the sprayed pattern is pulled by the tenter-type setting machine into the oven in parallel, and the printed composite blank blanket is dried, colored and fixed in the oven, and then the composite blank blanket is pulled to the cloth rack for cooling; (7) Finally, the composite blank blanket is subjected to a hot pressing treatment with a roller pressing device, and then to a cold pressing treatment. After the composite blank blanket is fully cooled after the cold pressing, the composite blank blanket is punched into blocks by a punching machine to obtain a composite printed square blanket.

2. The high-performance composite printed carpet tile production process according to claim 1, characterized in that: In step (1), the mass percentage of the copolymerized primary phosphorus flame retardant in the mixture is 30-40%, and the mass percentage of the copolymerized polyester chips in the mixture is 60-70%.

3. The high-performance composite printed carpet tile production process according to claim 1, characterized in that: In step (1), the copolymerized primary phosphorus flame retardant and the copolymerized polyester chips are processed by melt spinning chip process, and the spinning chip process temperature is 220-250°C.

4. The high-performance composite printed carpet tile production process according to claim 1, characterized in that: In step (2), the mass percentage of the blended flame retardant masterbatch in the mixture is 30-40%, and the mass percentage of the blended color masterbatch in the mixture is 2-3%.

5. The high-performance composite printed carpet tile production process according to claim 1, characterized in that: In step (2), the blended flame retardant masterbatch and the blended color masterbatch are processed by melt spinning process, and the spinning process temperature is 260-295°C.

6. The high-performance composite printed carpet tile production process according to claim 1, characterized in that: In step (4), the polyester staple fiber fineness is 4-14.43Dtex, the polyester staple fiber length is 51-75mm, and the hot-melt material includes a low-melting-point polyester material so that the low-melting-point polyester material is completely melted under the high temperature of the oven to bond the fibers to each other and reinforce the bottom blanket structure.

7. A production equipment for the production process according to any one of claims 1 to 6, characterized in that: It includes an unwinder, a glue coating machine, a scraper device, a tentering setting machine, a roller pressing device and a cutting machine. The glue coating machine includes a front rubber roller, a rear rubber roller for conveying the blank blanket and a glue outlet pipe for supplying EVA glue. The rear rubber roller is arranged on the rear side of the front rubber roller and the front rubber roller and the rear rubber roller are rollingly matched. The glue outlet pipe is arranged above the side of the front rubber roller close to the rear rubber roller. The glue outlet pipe is provided with a plurality of glue outlet holes, and each glue outlet hole is provided with a control valve for controlling the glue outlet amount of the glue outlet hole.

8. The high-performance composite printed carpet tile production equipment according to claim 7, characterized in that: The glue coating machine also includes a controller for controlling the switch of the control valve to thereby adjust the glue output from the glue outlet pipe, and a photoelectric sensor for detecting the distribution of glue on the front rubber roller. The photoelectric sensor is connected to the controller so as to send the glue distribution on the front rubber roller to the controller, and the controller is connected to the control valve so as to control the switch of the control valve according to the glue distribution and thereby adjust the glue distribution on the front rubber roller.

9. The high-performance composite printed carpet tile production equipment according to claim 7, characterized in that: The tenter-type setting machine comprises an oven, in which a heating mechanism and a fan mechanism are arranged, the heating mechanism comprises a mounting frame and an infrared heating tube, the mounting frame can be lifted and installed in the oven, the infrared heating tube is installed on the mounting frame, and the fan mechanism comprises a plurality of fans arranged on the side walls of the oven and a plurality of turbine fans arranged on the top wall of the oven.

10. The high-performance composite printed carpet tile production equipment according to claim 7, characterized in that: The rolling device includes a hot pressing mechanism and a cold pressing mechanism, the hot pressing mechanism includes a frame, an upper pressing roller and a lower pressing roller, the upper pressing roller is installed on the frame so as to be adjustable up and down, the lower pressing roller is rotatably installed on the frame and the lower pressing roller is located below the upper pressing roller, a ruler for measuring the distance between the upper pressing roller and the lower pressing roller is provided on both sides of the frame at the lower pressing roller, a movable long groove for movably passing through the upper pressing roller is provided on the ruler, scale lines are provided on both sides of the movable long groove on the ruler, a center line for convenient reading of the scale is provided on both sides of the upper pressing roller, a cooling flow channel for cooling the upper pressing roller is provided in the upper pressing roller, the cooling flow channel is connected to a cooling water pipe, a heating flow channel for heating the lower pressing roller is provided in the lower pressing roller, and the heating flow channel is connected to a heating water pipe.

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