Production equipment and process of flame-retardant fabric

Abstract

The invention relates to the technical field of textile equipment, in particular to production equipment and process of flame-retardant fabric. Production equipment of flame-retardant fabric comprises an assistant pool, the assistant pool is used for containing a waterproof assistant, the assistant pool is communicated with a circulating cylinder, the bottom of the cylinder wall of the circulating cylinder is communicated with a return pipe, the end, away from the circulating cylinder, of the return pipe is communicated with the assistant pool, a filter part is arranged in the circulating cylinder, and the filter part is communicated with the assistant pool. The filtering part is used for filtering fluff in the waterproof additive entering the circulating barrel, and a fluff catching structure is arranged in the circulating barrel and used for catching the fluff in the waterproof additive. Compared with the prior art, the device has the following effects that the filtering part and the fluff capturing structure are matched, fluff in the waterproof additive is captured, the content of the fluff in the waterproof additive flowing back to the additive pool is reduced, the waterproof effect of the waterproof additive is improved, and the quality of a final flame-retardant fabric product is improved.

Description

Technical Field

[0001] The present application relates to the technical field of textile equipment, and in particular to a production equipment and process for flame-retardant fabrics. Background Art

[0002] In the textile industry, products made from processed and woven textile fibers are called textiles. With the development of society, the functional requirements for textile fabrics are getting higher and higher. Textile fabrics can also be made into furniture, carpets, etc. In particular, flame-retardant fabrics have broad application prospects in many fields such as construction, transportation, and medical treatment due to their excellent fire retardant properties.

[0003] In the production process of flame-retardant fabrics, the performance of production equipment has a vital impact on the quality of the final product. With the growth of market demand, higher requirements are placed on the quality of flame-retardant fabrics. The water-repellent performance of flame-retardant fabrics has become an indispensable performance requirement. At present, the industry generally adopts a variety of methods to deal with waterproofing additives. Common methods include installing a filter in the additive pool to remove impurities in the additive; using a circulation system to continuously circulate the additive through a pump to maintain the uniformity and stability of the additive; and equipping it with a stirring device to ensure that the additive is evenly distributed throughout the entire treatment process.

[0004] Although the above method can remove impurities in the waterproofing agent to a certain extent, the fluff in the waterproofing agent is still a difficult problem to overcome. The fluff not only affects the waterproofing effect of the waterproofing agent, but also causes the surface of the flame retardant fabric to be uneven, affecting the quality of the final flame retardant fabric product. Summary of the invention

[0005] In order to reduce the content of lint in the waterproofing additive and improve the quality of the final flame-retardant fabric product, the present application provides a production equipment for flame-retardant fabric.

[0006] The present application provides a flame-retardant fabric production equipment, which adopts the following technical solution: it includes an additive pool, which is used to hold a waterproof additive. The additive pool is connected to a circulation cylinder, and the bottom of the circulation cylinder wall is connected to a return pipe, and the end of the return pipe away from the circulation cylinder is connected to the additive pool. A filter is provided in the circulation cylinder, and the filter is used to filter the fluff in the waterproof additive entering the circulation cylinder. A fluff capture structure is provided in the circulation cylinder, and the fluff capture structure is used to capture the fluff in the waterproof additive.

[0007] By adopting the above technical scheme, the waterproofing agent in the agent pool passes through the filter element and the lint capturing structure in the circulation drum, so that the lint in the waterproofing agent is captured and retained in the circulation drum, thereby reducing the lint content in the waterproofing agent that flows back into the agent pool, improving the waterproof effect of the waterproofing agent, and improving the quality of the final flame-retardant fabric product.

[0008] Preferably, the lint capture structure includes a lint capture plate and a negative pressure member, the lint capture plate is axially arranged above the filter element along the circulation cylinder, a lint capture cavity and a lint capture hole are provided on the lint capture plate, the lint capture hole is connected with the lint capture cavity, the lint capture cavity is connected with the negative pressure member, and the negative pressure member is arranged on the circulation cylinder.

[0009] By adopting the above technical solution, the filter element blocks the fluff in the waterproofing agent flowing into the circulation drum above the filter element, and the negative pressure element makes the fluff capture chamber a negative pressure state, so that the fluff enters the fluff capture chamber from the fluff capture hole, thereby capturing the fluff in the waterproofing agent and reducing the fluff content in the waterproofing agent.

[0010] Preferably, a plurality of lint capture holes are provided on both sides of the lint capture plate, and the plurality of lint capture holes are distributed on both sides of the lint capture plate. The lint capture holes are provided in the upper half of the lint capture plate along the axial direction of the circulation cylinder, and the lint capture holes divide the lint capture chamber into a lint capture area and a lint temporary storage area along the axial direction of the circulation cylinder.

[0011] By adopting the above technical solution, the lint capture holes are only opened in the upper half of the lint capture plate, and the lint capture plate is divided into a lint capture area and a lint temporary storage area, thereby reducing the risk of lint entering the lint capture chamber from the upper lint capture hole and returning to the circulation cylinder from the lower lint capture hole. In addition, the setting of the lint temporary storage area enables the negative pressure element to give a better negative pressure effect to the lint capture chamber, thereby improving the efficiency of lint capture.

[0012] Preferably, the lint capture plate is provided with a plurality of groups of one-way flow parts that allow the waterproofing aid to enter the lint capture cavity from the circulation cylinder, and the plurality of groups of one-way flow parts correspond one-to-one to the plurality of lint capture holes, and the one-way flow parts are arranged in the lint capture holes.

[0013] By adopting the above technical solution, the one-way flow member is arranged so that the fluff in the circulation drum can only enter the fluff catching chamber from the circulation drum, and the fluff in the fluff catching chamber will not flow back into the circulation drum.

[0014] Preferably, the one-way flow component includes two one-way flow sheets, which are arc-shaped, and the outer arc surfaces of the two one-way flow sheets are arranged opposite to each other, the opposite sides of the two one-way flow sheets are abutted and connected, and the back sides of the two one-way flow sheets are respectively connected to the opposite side hole walls of the lint capture hole.

[0015] By adopting the above technical solution, when the fluff enters the fluff capture chamber from the circulation cylinder, the outer arc surfaces of the two one-way flow sheets provide guidance for the fluff to enter the fluff capture chamber, and the two one-way flow sheets abut against each other, limiting the fluff in the fluff capture chamber from flowing back into the circulation cylinder.

[0016] Preferably, a driving member is provided on the circulation drum, and the driving member includes a driving motor and a driving rod. The driving rod is coaxially arranged inside the circulation drum with the circulation drum, and the driving motor is arranged outside the circulation drum. One end of the driving rod is coaxially connected to the output shaft of the driving motor, and the other end of the driving rod is used to be connected to the negative pressure member. A rod wall on one side of the driving rod is connected to a side wall on one side of the lint capture plate. A circulation cavity is opened on the driving rod, and the circulation cavity is connected to the lint capture cavity and the negative pressure member.

[0017] By adopting the above technical solution, the driving motor drives the driving rod to rotate and then drives the fluff capturing plate to rotate, so that the fluff capturing plate actively approaches the fluff, thereby improving the efficiency of fluff capturing.

[0018] Preferably, the negative pressure component includes a negative pressure tube and a first water pump, one end of the negative pressure tube is connected to the driving rod via a connecting bearing, the negative pressure tube is connected to the circulation cavity, the other end of the negative pressure tube is connected to the first water pump, the first water pump is connected to an external filter cartridge, and the external filter cartridge is detachably connected to the first water pump.

[0019] By adopting the above technical solution, the negative pressure part cooperates with the external filter cylinder to collect the fluff outside the circulation cylinder, which is convenient for cleaning the fluff. At the same time, the fluff capture plate can still collect the fluff, achieving the effect of continuous collection of fluff and improving the efficiency of cleaning the fluff.

[0020] Preferably, a stirring assembly is also provided in the circulation drum, and the stirring assembly is axially arranged below the filter element along the circulation drum. The stirring assembly includes a stirring rod, multiple groups of stirring blades and a stirring motor. The stirring motor is arranged on the outer side of the drum wall of the circulation drum, and the stirring motor is used to drive the stirring rod to rotate. The multiple groups of stirring blades are equidistantly arranged on the stirring rod along the axial direction of the stirring rod.

[0021] By adopting the above technical solution, the stirring motor works, driving the stirring rod and the stirring blades to rotate, providing stirring force to the waterproofing agent after the fluff is filtered out, so that the waterproofing agent can be mixed evenly, improving the waterproofing effect of the waterproofing agent, and when the waterproofing agent flows back into the agent pool, it can better combine with the fabric, so that the waterproofing agent is added to the fabric.

[0022] Preferably, the axial direction of the stirring rod is consistent with the radial direction of the circulation drum, one end of the stirring rod is coaxially connected to the output shaft of the stirring motor, and the other end of the stirring rod is axially fixed and circumferentially connected to the inner wall of the circulation drum.

[0023] By adopting the above technical solution, the radially arranged stirring rod enables the stirring force to stir the waterproofing aid in the circulation drum with the radial direction of the circulation drum as the rotation axis, and at the same time, it will give an upward impact force to the waterproofing aid above the filter element, helping the fluff in the waterproofing aid to enter the fluff capture plate, further improving the efficiency of fluff capture.

[0024] The present application also provides a production process for flame retardant fabrics.

[0025] A production process of flame retardant fabrics, which is realized by using the above-mentioned production equipment of flame retardant fabrics. The following steps are involved: S1. Pre-setting: put the fabric into the pre-setting machine for pre-treatment; S2, two-side napping: the pre-shaped fabric is sent into the napping machine to perform napping treatment on both sides of the fabric; S3, combing: the napped fabric is sent to the combing machine for combing to remove the short fibers and impurities on the surface of the fabric; S4, shearing: sending the combed fabric into the shearing machine for shearing; S5, Ironing: Send the sheared fabric into the ironing machine for ironing treatment; S6, shaping: send the ironed fabric into the shaping machine for final shaping; S7, adding auxiliary agent: immersing the shaped fabric into the auxiliary agent pool, and adding waterproof auxiliary agent.

[0026] By adopting the above technical solution, various steps cooperate with each other to form a complete production process, which improves the efficiency and stability of the production of flame-retardant fabrics and improves the production quality and efficiency of flame-retardant fabrics.

[0027] In summary, the present application includes at least one of the following beneficial technical effects: 1. The waterproofing agent in the agent pool passes through the filter element and the lint capturing structure in the circulation drum to capture the lint in the waterproofing agent, so that the lint remains in the circulation drum, reducing the lint content in the waterproofing agent that flows back into the agent pool, improving the waterproofing effect of the waterproofing agent, and improving the quality of the final flame-retardant fabric product; 2. The one-way flow member is set so that the fluff in the circulation cylinder can only enter the fluff capture chamber from the circulation cylinder, and the fluff in the fluff capture chamber will not flow back into the circulation cylinder; 3. The radially arranged stirring rod uses the radial direction of the circulation drum as the rotation axis to stir the waterproofing aid in the circulation drum. At the same time, it will give an upward impact force to the waterproofing aid above the filter element, helping the fluff in the waterproofing aid to enter the fluff capture plate, further improving the efficiency of fluff capture. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of a flame retardant fabric production equipment in this application; Figure 2 It is a cross-sectional schematic diagram of a partial structure of a production equipment for flame-retardant fabrics in the present application; Figure 3 It is a cross-sectional schematic diagram of a partial structure of a production equipment for flame-retardant fabrics in the present application; Figure 4 It is a cross-sectional schematic diagram of a partial structure of a production equipment for flame-retardant fabrics in the present application; Figure 5 It is a process flow diagram of a production process of a flame retardant fabric in this application.

[0029] Description of reference numerals: 110, additive tank; 111, cloth feeding roller; 112, water squeezing roller; 113, adjusting slider; 114, adjusting rod; 116, adjusting disc; 117, hand grip rod; 118, cloth guide roller; 120, circulation drum; 121, filter element; 122, circulation pipe; 123, return pipe; 124, second water pump; 130, lint capture structure; 131, lint capture plate; 132, negative pressure element; 1321 , negative pressure tube; 1322, first water pump; 133, lint capture chamber; 1331, lint capture area; 1332, lint temporary storage area; 134, lint capture hole; 135, driving member; 1351, driving motor; 1352, driving rod; 136, circulation chamber; 140, one-way circulation piece; 150, external filter cartridge; 160, stirring assembly; 161, stirring rod; 162, stirring blades; 163, stirring motor. DETAILED DESCRIPTION

[0030] The present application is further described in detail below in conjunction with the accompanying drawings.

[0031] The present application discloses a flame retardant fabric production device, which is used to reduce the content of lint in a waterproofing auxiliary agent and improve the quality of the final flame retardant fabric product.

[0032] refer to Figure 1 , Figure 2 A production device for flame-retardant fabrics includes an additive pool 110, which is used to hold waterproof additives. In this embodiment, two cloth-feeding rollers 111 are provided at the cloth-feeding end of the additive pool 110, and two squeezing rollers 112 are provided at the cloth-discharging end of the additive pool 110. The two cloth-feeding rollers 111 are arranged on the additive pool 110 at intervals in the vertical direction, and the distance between the two cloth-feeding rollers 111 is for the fabric after shaping to enter the additive pool 110. The two squeezing rollers 112 are arranged on the additive pool 110 at intervals in the vertical direction, and the distance between the two squeezing rollers 112 in the vertical direction is adjustable. Specifically, an adjusting slider 113 is provided on one end of the same side of the two squeezing rollers 112. The additive An adjusting rod 114 is provided on the pool 110, and the adjusting rod 114 is sequentially passed through the two adjusting sliders 113. Two sections of adjusting threads are opened on the rod wall of the adjusting rod 114. The two sections of adjusting threads are opened in opposite directions and are respectively threadedly connected to the two adjusting sliders 113. An adjusting disk 116 is coaxially arranged above the adjusting rod 114. A hand grip 117 is arranged axially along the adjusting rod 114 at one end of the adjusting disk 116 away from the adjusting rod 114. The adjusting disk 116 is operated by the hand grip 117 to drive the adjusting rod 114 to rotate, thereby achieving the effect of the two squeezing rollers 112 approaching or moving away from each other, and the two squeezing rollers 112 are connected by reverse rotation through a worm gear structure.

[0033] A plurality of cloth guide rollers 118 are arranged in the additive pool 110. The plurality of cloth guide rollers 118 are parallel to each other and the length direction of the cloth guide rollers 118 is consistent with the length direction of the water squeezing roller 112 and the cloth feeding roller 111. The plurality of cloth guide rollers 118 are arranged in an up-and-down staggered manner in the additive pool 110. After the fabric enters the additive pool 110, it passes through the plurality of cloth guide rollers 118 in sequence.

[0034] refer to Figure 1 , Figure 3, As the market demand grows, higher requirements are put forward for the quality of flame-retardant fabrics, and the water-proof performance of flame-retardant fabrics has become an indispensable performance requirement. The fluff in the waterproofing agent will not only affect the waterproofing effect of the waterproofing agent, but also cause the surface of the flame-retardant fabric to be uneven, affecting the quality of the final flame-retardant fabric product. Therefore, the auxiliary agent pool 110 is connected to a circulation cylinder 120, and a filter 121 is arranged in the circulation cylinder 120. The filter 121 is used to filter the fluff in the waterproofing agent entering the circulation cylinder 120. In this embodiment, the circulation cylinder 120 is cylindrical, and the filter 121 is a filter screen laid flat in the middle of the circulation cylinder 120. The peripheral wall of the filter screen is connected to the inner wall of the circulation cylinder 120. In other embodiments, the filter 121 can be a multi-layer filter screen, for example, the first layer of the filter screen can be made of stainless steel, the second layer of the filter screen can be made of nylon, and the third layer of the filter screen can be made of polyester fiber. To gradually filter out fluff of different sizes.

[0035] refer to Figure 1 , Figure 3 and Figure 4 The circulation drum 120 is connected with a circulation pipe 122 and a return pipe 123. The ends of the circulation pipe 122 and the return pipe 123 away from the circulation drum 120 are both connected with the auxiliary agent pool 110. The return pipe 123 is also connected with a second pumping pump 124, which is used to pump the waterproofing auxiliary agent in the circulation drum 120 back into the auxiliary agent pool 110.

[0036] Furthermore, a fluff capture structure 130 is provided in the circulation drum 120, and the fluff capture structure 130 is used to capture fluff in the waterproofing agent. The fluff capture structure 130 includes a fluff capture plate 131 and a negative pressure member 132. The fluff capture plate 131 is axially arranged above the filter element 121 along the circulation drum 120. In the present embodiment, the width direction of the fluff capture plate 131 is consistent with the radial direction of the circulation drum 120, and the length direction of the fluff capture plate 131 is consistent with the axial direction of the circulation drum 120. The waterproofing agent in the agent pool 110 passes through the filter element 121 and the fluff capture structure 130 in the circulation drum 120, and the fluff in the waterproofing agent is captured, so that the fluff remains in the circulation drum 120, thereby reducing the fluff content in the waterproofing agent that flows back into the agent pool 110, improving the waterproofing effect of the waterproofing agent, and improving the quality of the final flame-retardant fabric product.

[0037] A fluff capturing chamber 133 and a fluff capturing hole 134 are provided on the fluff capturing plate 131, the fluff capturing hole 134 is communicated with the fluff capturing chamber 133, the fluff capturing chamber 133 is communicated with the negative pressure member 132, the negative pressure member 132 is arranged on the circulation drum 120, the filter element 121 blocks the fluff in the waterproofing agent flowing into the circulation drum 120 above the filter element 121, and the negative pressure member 132 makes the fluff capturing chamber 133 in a negative pressure state, so that the fluff enters the fluff capturing chamber 133 from the fluff capturing hole 134, thereby capturing the fluff in the waterproofing agent and reducing the fluff content in the waterproofing agent.

[0038] Specifically, a plurality of fluff catching holes 134 are provided on both sides of the fluff catching plate 131, and the plurality of fluff catching holes 134 are distributed on both sides of the fluff catching plate 131. In the present embodiment, the plurality of fluff catching holes 134 are provided on the fluff catching plate 131 in three rows and three columns, and the fluff catching holes 134 are provided in the upper half of the fluff catching plate 131 along the axial direction of the circulation cylinder 120. The fluff catching holes 134 divide the fluff catching chamber 133 into a fluff catching area 1331 and a fluff temporary storage area 1332 along the axial direction of the circulation cylinder 120, thereby reducing the fluff entering the fluff catching chamber 133 from the upper end fluff catching hole 134 and returning to the circulation cylinder 120 from the lower end fluff catching hole 134, and the setting of the fluff temporary storage area 1332 enables the negative pressure effect of the negative pressure member 132 on the fluff catching chamber 133 to be better, thereby improving the efficiency of fluff catching.

[0039] Furthermore, the fluff capture plate 131 is provided with a plurality of one-way flow members for allowing the waterproofing agent to enter the fluff capture chamber 133 from the circulation cylinder 120. The plurality of one-way flow members correspond to the plurality of fluff capture holes 134 one by one. The one-way flow members are arranged in the fluff capture holes 134. The arrangement of the one-way flow members enables the fluff in the circulation cylinder 120 to flow into the fluff capture chamber 133 in one direction only, while the fluff in the fluff capture chamber 133 cannot flow out in the reverse direction, thereby effectively preventing the fluff from being mixed into the waterproofing agent again. Specifically, the one-way flow member includes two one-way flow sheets 14 0, the one-way flow sheet 140 is arc-shaped, and the outer arc surfaces of the two one-way flow sheets 140 are arranged opposite to each other, and the opposite sides of the two one-way flow sheets 140 are abutted and connected, and the opposite sides of the two one-way flow sheets 140 are respectively connected to the opposite side hole walls of the fluff capture hole 134. In the process of the fluff entering the fluff capture chamber 133 from the circulation cylinder 120, the outer arc surfaces of the two one-way flow sheets 140 provide guidance for the fluff to enter the fluff capture chamber 133, and the two one-way flow sheets 140 abut against each other, so as to limit the fluff in the fluff capture chamber 133 from flowing back into the circulation cylinder 120.

[0040] In addition, the negative pressure member 132 includes a negative pressure tube 1321 and a first water pump 1322. The circulation drum 120 is provided with a driving member 135. The driving member 135 includes a driving motor 1351 and a driving rod 1352. The driving rod 1352 is coaxially arranged in the circulation drum 120 with the circulation drum 120, and the driving motor 1351 is arranged outside the circulation drum 120. The driving motor 1351 drives the driving rod 1352 to rotate and then drives the fluff catching plate 131 to rotate, so that the fluff catching plate 131 actively approaches the fluff, thereby improving the efficiency of fluff catching; one end of the driving rod 1352 is coaxially connected to the output shaft of the driving motor 1351, and the other end of the driving rod 1352 is connected to the negative pressure tube 1321 through a connecting bearing. One side rod wall of the driving rod 1352 is connected to one side wall of the fluff catching plate 131. A flow cavity 1 is provided on the driving rod 1352. 36. The circulation chamber 136 passes through the side wall where the driving rod 1352 is connected to the lint catching plate 131 and is connected to the lint catching chamber 133. The bottom of the circulation chamber 136 is connected to the negative pressure tube 1321. The end of the negative pressure tube 1321 away from the driving rod 1352 is connected to the first water pump 1322. The first water pump 1322 is connected to an external filter cartridge 150. The external filter cartridge 150 is detachably connected to the first water pump 1322. The negative pressure tube 1321 can be made of corrosion-resistant stainless steel or plastic to ensure reliability and durability in long-term use. The external filter cartridge 150 can be cleaned or replaced regularly, and when the external filter cartridge 150 is cleaned, the lint catching plate 131 can still capture the lint, thereby achieving the effect of continuously collecting the lint and improving the efficiency of cleaning the lint, thereby ensuring the cleanliness and efficient operation of the entire system.

[0041] In addition, a stirring assembly 160 is also provided in the circulation drum 120. The stirring assembly 160 is axially arranged below the filter element 121 along the circulation drum 120. The stirring assembly 160 includes a stirring rod 161, multiple groups of stirring blades 162 and a stirring motor 163. The stirring motor 163 is arranged on the outer side of the drum wall of the circulation drum 120. The stirring motor 163 is used to drive the stirring rod 161 to rotate. The axial direction of the stirring rod 161 is consistent with the radial direction of the circulation drum 120. One end of the stirring rod 161 is coaxially connected to the output shaft of the stirring motor 163, and the other end of the stirring rod 161 is axially fixed and circumferentially connected to the inner wall of the circulation drum 120. In the present embodiment, a total of three groups of stirring blades 162 are provided, and the three groups of stirring blades 162 are equidistantly arranged on the stirring rod 161 along the axial direction of the stirring rod 161.

[0042] The stirring motor 163 works, driving the stirring rod 161 and the stirring blades 162 to rotate, giving stirring force to the waterproofing agent after the fluff is filtered out, so that the waterproofing agent can be mixed evenly, improving the waterproof effect of the waterproofing agent, and when the waterproofing agent flows back into the agent pool 110, it can better combine with the fabric, so that the waterproofing agent is added to the fabric, and the radially arranged stirring rod 161 uses the stirring force to stir the waterproofing agent in the circulation drum 120 with the radial direction of the circulation drum 120 as the rotation axis, while giving the waterproofing agent above the filter element 121 an upward impact force, helping the fluff in the waterproofing agent to enter the fluff capture plate 131, further improving the efficiency of fluff capture.

[0043] The implementation principle of the flame-retardant fabric production equipment of the embodiment of the present application is as follows: by setting a filter element 121 and a lint capture structure 130, the problem of removing lint from the additive is effectively solved, the purity of the waterproof additive is improved, the waterproof effect of the waterproof additive is improved, and the quality of the final flame-retardant fabric product is improved; the lint capture structure 130 realizes effective capture and separation of lint through the cooperation of the negative pressure element 132 and the one-way flow element, thereby avoiding the lint from being mixed into the waterproof additive again, and the setting of the stirring component 160 ensures the uniform mixing of the waterproof additive during the circulation process, thereby reducing the probability of product quality problems caused by local uneven concentration.

[0044] In addition, reference Figure 5 , the application also discloses a production process of flame retardant fabrics.

[0045] A production process of flame retardant fabrics, which is realized by using the above-mentioned production equipment of flame retardant fabrics. The following steps are involved: S1. Pre-setting: put the fabric into the pre-setting machine for pre-treatment; S2, two-side napping: the pre-shaped fabric is sent into the napping machine to perform napping treatment on both sides of the fabric; S3, combing: the napped fabric is sent to the combing machine for combing to remove the short fibers and impurities on the surface of the fabric; S4, shearing: sending the combed fabric into the shearing machine for shearing; S5, Ironing: Send the sheared fabric into the ironing machine for ironing treatment; S6, shaping: send the ironed fabric into the shaping machine for final shaping; S7, adding an auxiliary agent: immersing the shaped fabric into an auxiliary agent pool 110, and adding a waterproof auxiliary agent.

[0046] The implementation principle of the production process of a flame-retardant fabric in the embodiment of the present application is: various steps cooperate with each other to form a complete production process, which improves the efficiency and stability of the production of the flame-retardant fabric, and improves the production quality and efficiency of the flame-retardant fabric.

[0047] The embodiments of this specific implementation method are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, all equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A flame retardant fabric production device, comprising an additive pool (110), the additive pool (110) being used to hold a waterproof additive, the additive pool (110) being connected to a circulation drum (120), the bottom of the circulation drum (120) being connected to a return pipe (123), the return pipe (123) being connected to the additive pool (110) at one end away from the circulation drum (120), and characterized in that: A filter element (121) is provided in the circulation drum (120), and the filter element (121) is used to filter fluff in the waterproofing auxiliary agent entering the circulation drum (120). A fluff capturing structure (130) is provided in the circulation drum (120), and the fluff capturing structure (130) is used to capture fluff in the waterproofing auxiliary agent.

2. The flame retardant fabric production equipment according to claim 1, characterized in that: The fluff capture structure (130) comprises a fluff capture plate (131) and a negative pressure piece (132); the fluff capture plate (131) is arranged above the filter element (121) along the axial direction of the circulation cylinder (120); a fluff capture cavity (133) and a fluff capture hole (134) are provided on the fluff capture plate (131); the fluff capture hole (134) is connected to the fluff capture cavity (133); the fluff capture cavity (133) is connected to the negative pressure piece (132); and the negative pressure piece (132) is arranged on the circulation cylinder (120).

3. The flame retardant fabric production equipment according to claim 2, characterized in that: A plurality of lint capturing holes (134) are provided on both sides of the lint capturing plate (131). The plurality of lint capturing holes (134) are distributed on both sides of the lint capturing plate (131). The lint capturing holes (134) are provided in the upper half of the lint capturing plate (131) along the axial direction of the circulation cylinder (120). The lint capturing holes (134) divide the lint capturing chamber (133) into a lint capturing area (1331) and a lint temporary storage area (1332) along the axial direction of the circulation cylinder (120).

4. The flame retardant fabric production equipment according to claim 3, characterized in that: The lint capture plate (131) is provided with a plurality of one-way flow members that allow the waterproofing agent to enter the lint capture chamber (133) from the circulation cylinder (120), the plurality of one-way flow members corresponding one-to-one to the plurality of lint capture holes (134), and the one-way flow members are arranged in the lint capture holes (134).

5. The flame retardant fabric production equipment according to claim 4, characterized in that: The one-way circulation member comprises two one-way circulation pieces (140), the one-way circulation pieces (140) are arc-shaped, the outer arc surfaces of the two one-way circulation pieces (140) are arranged opposite to each other, the opposite sides of the two one-way circulation pieces (140) are abutted and connected, and the opposite sides of the two one-way circulation pieces (140) are respectively connected to the opposite side hole walls of the lint capturing hole (134).

6. The flame retardant fabric production equipment according to claim 2, characterized in that: The circulation drum (120) is provided with a driving member (135), the driving member (135) comprising a driving motor (1351) and a driving rod (1352), the driving rod (1352) being coaxially arranged inside the circulation drum (120) with the circulation drum (120), the driving motor (1351) being arranged outside the circulation drum (120), one end of the driving rod (1352) being coaxially connected to an output shaft of the driving motor (1351), the other end of the driving rod (1352) being used to be connected to the negative pressure member (132), a rod wall on one side of the driving rod (1352) being connected to a side wall on one side of the fluff catching plate (131), a circulation cavity (136) being provided on the driving rod (1352), the circulation cavity (136) being in communication with the fluff catching cavity (133) and the negative pressure member (132).

7. The flame retardant fabric production equipment according to claim 6, characterized in that: The negative pressure member (132) comprises a negative pressure tube (1321) and a first water pump (1322); one end of the negative pressure tube (1321) is connected to the driving rod (1352) via a connecting bearing; the negative pressure tube (1321) is connected to the circulation cavity (136); the other end of the negative pressure tube (1321) is connected to the first water pump (1322); the first water pump (1322) is connected to an external filter cartridge (150); the external filter cartridge (150) is detachably connected to the first water pump (1322).

8. The flame retardant fabric production equipment according to claim 1, characterized in that: A stirring assembly (160) is also provided in the circulation drum (120). The stirring assembly (160) is arranged below the filter element (121) along the axial direction of the circulation drum (120). The stirring assembly (160) comprises a stirring rod (161), a plurality of groups of stirring blades (162) and a stirring motor (163). The stirring motor (163) is arranged outside the drum wall of the circulation drum (120). The stirring motor (163) is used to drive the stirring rod (161) to rotate. The plurality of groups of stirring blades (162) are arranged on the stirring rod (161) at equal intervals along the axial direction of the stirring rod (161).

9. The flame retardant fabric production equipment according to claim 8, characterized in that: The axial direction of the stirring rod (161) is consistent with the radial direction of the circulation drum (120); one end of the stirring rod (161) is coaxially connected to the output shaft of the stirring motor (163); and the other end of the stirring rod (161) is axially fixed and circumferentially rotatably connected to the inner wall of the circulation drum (120).

10. A production process for flame retardant fabrics, characterized in that: The flame retardant fabric production equipment described in any one of claims 1 to 9 is used to achieve: The following steps are involved: S1. Pre-setting: put the fabric into the pre-setting machine for pre-treatment; S2, two-side napping: the pre-shaped fabric is sent into the napping machine to perform napping treatment on both sides of the fabric; S3, combing: the napped fabric is sent to the combing machine for combing to remove the short fibers and impurities on the surface of the fabric; S4, shearing: sending the combed fabric into the shearing machine for shearing; S5, Ironing: Send the sheared fabric into the ironing machine for ironing treatment; S6, shaping: send the ironed fabric into the shaping machine for final shaping; S7, adding an auxiliary agent: immersing the shaped fabric into the auxiliary agent pool (110) and adding a waterproof auxiliary agent.

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