Process for producing a napped insole fabric

Abstract

The application discloses a production process of a raised middle sole cloth, which comprises the following steps: first warping, cotton mixing, opening, first carding, first cotton laying, first sewing and knitting, second warping, second carding, second cotton laying, raised sewing and knitting, and hot pressing and setting. The raised middle sole cloth produced by the application is based on a base cloth, the base cloth and a second cotton layer are sewn and knitted in one step to form the raised middle sole cloth, the top surface of the raised middle sole cloth is a raised surface, and thus the structure of the raised middle sole cloth is composed of a base and a raised surface layer; the raised surface layer increases the elasticity of the middle sole cloth and makes the middle sole cloth soft in hand feeling, so that the user's foot sole can be more comfortable; meanwhile, the further sewing and knitting of the raised surface layer on the basis of the base cloth increases the elasticity of the middle sole cloth and guarantees the tensile strength of the middle sole cloth.

Description

TECHNICAL FIELD

[0001] The present application relates to a non-woven fabric process, in particular to a production process of a raised middle sole fabric. BACKGROUND

[0002] The middle sole fabric is a material used in shoe manufacturing, usually used in the middle sole part of the shoe, which is mainly used to increase the support and durability of the shoe, and improve the comfort and service life of the wearer. Specifically, the main uses of the middle sole fabric include the following aspects: 1. Increase the support of the shoe, the middle sole fabric can increase the hardness and stability of the shoe, keep the shape of the shoe unchanged, and make it more supportive; 2. Improve comfort, the middle sole fabric has a certain cushioning effect, which can reduce the impact and friction on the feet and improve the comfort of the wearer; 3. Increase the durability, the middle sole fabric has high density and good wear resistance, which can effectively prolong the service life of the shoe. The existing middle sole fabric applied to shoe materials uses sewing non-woven fabric (commonly known as Lixin cloth), but in actual use, the sewing non-woven fabric has the problems of poor elasticity and poor air permeability, which brings discomfort to people when wearing shoes. SUMMARY

[0003] The present application provides a production process of a raised middle sole fabric, which mainly aims to solve the problem of poor elasticity of the existing middle sole fabric.

[0004] In order to solve the above technical problems, the present application adopts the following technical scheme:

[0005] A production process of a raised middle sole fabric, comprising the following steps:

[0006] S1, first warping: winding a plurality of first polyester filaments on a first warping machine; winding a plurality of first polyester filaments on a plurality of first disc heads, and placing the first disc heads in front of a first sewing machine for standby;

[0007] S2, cotton mixing: mixing low-melting point synthetic fibers and imitation large fibers in a cotton mixing machine according to a ratio of 30%-50% and 50%-70% to form mixed cotton;

[0008] S3, opening: opening the mixed cotton in step S2 by a first air blower into a first cotton box for primary opening, and opening the primary opened mixed cotton by a second air blower from the first cotton box into a second cotton box for secondary opening;

[0009] S4, first carding: sending the opened mixed cotton in step S3 to a first carding machine to card into a first cotton web in a thin net shape;

[0010] S5, first cotton laying: sending the first cotton web in step S4 to a first cotton laying device to repeatedly stack to form a first cotton layer;

[0011] S6, first stitch: the first cotton layer in step S5 is sent to the first stitch machine to form the base cloth by first stitch, and the yarn used in the first stitch is the first polyester filament on the first disc head in step S1;

[0012] S7, second warping: several second polyester filaments are warped on a second disc head on the warping machine, and after the second polyester filaments are warped on the plurality of second disc heads, they are placed in front of the second stitch machine for standby;

[0013] S8, second carding: the mixed cotton after opening in step S3 is sent to the second carding machine to be carded into a second cotton web in a thin net shape;

[0014] S9, second cotton laying: the second cotton web in step S8 is sent to the second cotton laying device to form a second cotton layer by repeated superposition;

[0015] S10, stitch: the second cotton layer in step S9 and the base cloth in step S6 are superposed and sent to the second stitch machine to form the raised middle sole fabric with a raised top surface;

[0016] S11, hot pressing and shaping: the raised middle sole fabric in step S10 is sent to the hot pressing and shaping device for hot pressing and shaping, and the raised middle sole fabric is placed with the raised surface upward during hot pressing and shaping, and the raised middle sole fabric forms the raised middle sole cloth after hot pressing and shaping.

[0017] Further, the stitch method of step S10 is as follows: the distance between the lower baffle of the second stitch machine and the sinker is adjusted to 8mm, the width of the loop withdrawal sinker is 7mm, the loop withdrawal sinker is installed on the front baffle, the front baffle is adjusted to be 4mm above the upper edge of the lower baffle, the guide pin on the guide plate is adjusted, when the slot needle is flush with the guide pin, the needle hole center of the guide pin is on the same horizontal line with the slot needle hook, the stitch length is adjusted to 1.4mm, the warp speed, the cloth feeding speed after the second cotton layer and the base cloth are superposed, and the winding speed of the raised middle sole fabric are respectively adjusted to 50%, 7% and 45% of the main machine running speed of the second stitch machine, and finally the second polyester filament is introduced into the guide pin, and the second stitch machine is operated to weave the second cotton layer and the base cloth into the raised middle sole fabric.

[0018] Further, the first polyester filament in step S1 adopts 100D×48F FDy polyester filament, there are 280 first polyester filaments on each first disc head, and six first disc heads are placed in front of the first stitch machine for standby.

[0019] Further, the low-melting-point chemical fiber in step S2 adopts 4D×51mm low-melting-point chemical fiber, and the big-imitation chemical fiber adopts 3D×51mm big-imitation chemical fiber.

[0020] Further, the first cotton layer in the step S5 is stacked by 9 first cotton nets; the second cotton layer in the step S9 is stacked by 4 second cotton nets.

[0021] Further, the stitch length of the first time in the step S6 is 3mm.

[0022] Further, the second polyester filament in the step S7 adopts 167Dx48F DTy polyester textured yarn, each second disc head has 358 first polyester filaments, and six second disc heads are a group and placed in front of the second sewing machine for standby.

[0023] Further, the padding organization of the raised middle sole base cloth is 10 / 12, and the gram weight of the raised middle sole base cloth is 280g / m2.

[0024] Further, the hot pressing setting method in the step S11 is that the raised middle sole base cloth sequentially passes through three hot pressing roller devices and then passes through a cooling roller device, and the hot pressing temperature of each hot pressing roller device is 180-220 DEG C.

[0025] From the above description of the application, compared with the prior art, the application has the following advantages:

[0026] 1. The raised middle sole cloth produced by the application is based on the base cloth, and the base cloth and the second cotton layer are formed into the raised middle sole cloth by one-step sewing, the top surface of the raised middle sole cloth is the hair surface, and thus the structure of the raised middle sole cloth is composed of the base and the hair surface layer, the hair surface layer increases the elasticity of the middle sole cloth, and the hand feeling is soft, so that the user's foot bottom feels more comfortable; at the same time, further sewing the hair surface layer on the basis of the base cloth increases the elasticity of the middle sole cloth while ensuring the tensile strength of the middle sole cloth.

[0027] 2. The raised middle sole cloth produced by the application is light in quality, and the sewed base cloth has pores, so that the raised middle sole cloth has elasticity and air permeability, further improving the comfort of the foot bottom. DETAILED DESCRIPTION Example One

[0028] A production process of a raised middle sole cloth, comprising the following steps:

[0029] S1, first time warping: warping a plurality of first polyester filaments on a first disc head on a warping machine, and placing the first disc heads on the front of a first sewing machine for standby after warping a plurality of first disc heads; specifically, the first polyester filaments adopt 100Dx48F FDy polyester filaments, each first disc head has 280 first polyester filaments, and six first disc heads are a group and placed in front of the first sewing machine for standby.

[0030] S2, cotton mixing: low melting point chemical fiber and imitation big cotton are put into a cotton mixing machine in a proportion of 30% and 70% to be mixed to form mixed cotton; the low melting point chemical fiber is a 4D*51mm low melting point chemical fiber, and the imitation big cotton is a 3D*51mm imitation big cotton.

[0031] S3, opening: the mixed cotton in step S2 is drawn by a first fan into a first cotton box for primary opening, and the mixed cotton after the primary opening is drawn by a second fan from the first cotton box into a second cotton box for secondary opening.

[0032] S4, first carding: the mixed cotton after the opening in step S3 is sent to a first carding machine to be carded into a first cotton web in a thin net shape.

[0033] S5, first cotton laying: the first cotton web in step S4 is sent to a first cotton laying device to be repeatedly stacked to form a first cotton layer; the first cotton layer is stacked by 9 layers of the first cotton web.

[0034] S6, first stitching: the first cotton layer in step S5 is sent to a first stitching machine to be stitched for the first time to form a base cloth, the yarn used for the first stitching is the first polyester filament on the six first heads in step S1; the stitch length of the first stitching is 3mm, and the base cloth formed by the first stitching has pores.

[0035] S7, second warping: a plurality of second polyester filaments are warped on a second head on a warping machine, and the second polyester filaments are placed in front of a second stitching machine after being warped on a plurality of second heads for standby; specifically, the second polyester filament is a 167D*48F DTy polyester textured yarn, there are 358 first polyester filaments on each second head, and six second heads are placed in front of the second stitching machine for standby as a group. The DTy polyester textured yarn has high bulkiness, good heat insulation, comfortable hand feeling, soft luster, high general polyester breaking strength and elastic modulus, excellent heat setting property, good rebound performance and other advantages.

[0036] S8, second carding: the mixed cotton after the opening in step S3 is sent to a second carding machine to be carded into a second cotton web in a thin net shape.

[0037] S9, second cotton laying: the second cotton web in step S8 is sent to a second cotton laying device to be repeatedly stacked to form a second cotton layer; the second cotton layer is stacked by 4 layers of the second cotton web.

[0038] S10, pile stitch knitting: the second cotton layer in step S9 and the base cloth in step S6 are stacked and sent to a second stitch knitting machine to perform pile stitch knitting to form a pile middle sole fabric with a pile top surface; the pile stitch knitting method is as follows: the distance between the lower baffle of the second stitch knitting machine and the sinker is adjusted to 8 mm, the width of the loop take-down sinker is 7 mm, the loop take-down sinker is installed on the front baffle, the front baffle is adjusted to the position where the loop take-down sinker is 4 mm above the upper edge of the lower baffle, the guide needle on the guide plate is adjusted, when the groove needle is flush with the guide needle, the needle hole center of the guide needle and the groove needle hook are on the same horizontal line, the stitch length is adjusted to 1.4 mm, the warp feeding speed, the feeding speed of the stacked second cotton layer and base cloth, and the winding speed of the pile middle sole fabric are respectively adjusted to 50%, 7% and 45% of the main machine running speed of the second stitch knitting machine, finally the second polyester filament is introduced into the guide needle, and the second stitch knitting machine is operated to knit the second cotton layer and the base cloth into the pile middle sole fabric. The gage of the pile middle sole fabric is 280 grams per square. After the pile stitch knitting is completed, the base cloth still has pores with further reduced pore size.

[0039] S11, heat pressing and setting: the pile middle sole fabric in step S10 is sent to a heat pressing and setting device for heat pressing and setting, the pile surface of the pile middle sole fabric faces upward during the heat pressing and setting, and the pile middle sole fabric forms a pile middle sole cloth after the heat pressing and setting; the heat pressing and setting method is as follows: the pile middle sole fabric sequentially passes through three heat pressing roller devices and then passes through a cooling roller device, and the heat pressing temperature of each heat pressing roller device is 180°C. Due to shrinkage, the gage of the pile middle sole cloth after heat pressing and setting is 340-370 grams per square. Example two

[0040] A production process of a pile middle sole cloth, comprising the following steps:

[0041] S1, first warping: a plurality of first polyester filaments are warped on a first disc head on a warping machine, and the first polyester filaments are placed on the front of a first stitch knitting machine after being warped on a plurality of first disc heads for standby; specifically, the first polyester filaments are 100D×48F FDy polyester filaments, there are 280 first polyester filaments on each first disc head, and six first disc heads are placed as a group on the front of the first stitch knitting machine for standby.

[0042] S2, cotton mixing: low-melting-point chemical fibers and imitation bigs are put into a cotton mixing machine in a proportion of 50% and 50% to be mixed to form mixed cotton; the low-melting-point chemical fibers are 4D×51 mm low-melting-point chemical fibers, and the imitation bigs are 3D×51 mm imitation bigs.

[0043] S3, opening: the mixed cotton in step S2 is sucked into a first cotton box by a first air blower for primary opening, and the mixed cotton after the primary opening is sucked into a second cotton box from the first cotton box by a second air blower for secondary opening.

[0044] S4, first carding: the mixed cotton opened in step S3 is sent to a first carding machine to be carded into a first cotton web in a thin net shape.

[0045] S5, first laying: the first cotton web in step S4 is sent to a first laying device to be repeatedly superimposed to form a first cotton layer; the first cotton layer is formed by superimposing 9 first cotton webs.

[0046] S6, first stitching: the first cotton layer in step S5 is sent to a first stitching machine to be first stitched to form a base cloth; the yarn used in the first stitching is the first polyester filament on the six first heads in step S1; the stitch length of the first stitching is 3mm, and the base cloth formed by the first stitching has pores.

[0047] S7, second warping: a plurality of second polyester filaments are warped on a second head on a warping machine, and after the second polyester filaments are warped on a plurality of second heads, they are placed in front of a second stitching machine for standby; specifically, the second polyester filaments are 167Dx48F DTy polyester textured yarns, there are 358 first polyester filaments on each second head, and six second heads are placed in front of the second stitching machine for standby as a group. The DTy polyester textured yarn has high bulkiness, good heat insulation, comfortable hand feeling, soft luster, and has the advantages of high general polyester breaking strength and elastic modulus, excellent heat setting property, and good rebound performance.

[0048] S8, second carding: the mixed cotton opened in step S3 is sent to a second carding machine to be carded into a second cotton web in a thin net shape.

[0049] S9, second laying: the second cotton web in step S8 is sent to a second laying device to be repeatedly superimposed to form a second cotton layer; the second cotton layer is formed by superimposing 4 second cotton webs.

[0050] S10, pile stitch knitting: the second cotton layer in step S9 and the base cloth in step S6 are stacked and sent to a second stitch knitting machine to perform pile stitch knitting to form a pile middle sole fabric with a pile top surface; the pile stitch knitting method is as follows: the distance between the lower baffle of the second stitch knitting machine and the sinker is adjusted to 8 mm, the width of the loop take-down sinker is 7 mm, the loop take-down sinker is installed on the front baffle, the front baffle is adjusted to the position where the loop take-down sinker is 4 mm above the upper edge of the lower baffle, the guide needle on the guide plate is adjusted, when the groove needle is flush with the guide needle, the needle hole center of the guide needle and the groove needle hook are on the same horizontal line, the stitch length is adjusted to 1.4 mm, the warp feeding speed, the feeding speed of the stacked second cotton layer and base cloth, and the winding speed of the pile middle sole fabric are respectively adjusted to 50%, 7% and 45% of the main machine running speed of the second stitch knitting machine, finally the second polyester filament is introduced into the guide needle, and the second stitch knitting machine is operated to knit the second cotton layer and the base cloth into the pile middle sole fabric. The gage of the pile middle sole fabric is 280 grams per square. After the pile stitch knitting is completed, the base cloth still has pores with further reduced pore size.

[0051] S11, heat pressing and setting: the pile middle sole fabric in step S10 is sent to a heat pressing and setting device for heat pressing and setting, the pile surface of the pile middle sole fabric faces upward during the heat pressing and setting, and the pile middle sole fabric forms a pile middle sole cloth after the heat pressing and setting; the heat pressing and setting method is as follows: the pile middle sole fabric sequentially passes through three heat pressing roller devices and then passes through a cooling roller device, and the heat pressing temperature of each heat pressing roller device is 220°C. Due to shrinkage, the gage of the pile middle sole cloth after heat pressing and setting is 340-370 grams per square. Example Three

[0052] A production process of a pile middle sole cloth, comprising the following steps:

[0053] S1, first warping: a plurality of first polyester filaments are warped on a first disc head on a warping machine, and the first polyester filaments are placed on the front of a first stitch knitting machine after being warped on a plurality of first disc heads for standby; specifically, the first polyester filaments are 100D×48F FDy polyester filaments, there are 280 first polyester filaments on each first disc head, and six first disc heads are placed as a group on the front of the first stitch knitting machine for standby.

[0054] S2, cotton mixing: low-melting-point chemical fibers and imitation bigs are put into a cotton mixing machine in a ratio of 40% and 60% to mix and form mixed cotton; the low-melting-point chemical fibers are 4D×51 mm low-melting-point chemical fibers, and the imitation bigs are 3D×51 mm imitation bigs.

[0055] S3, opening: the mixed cotton in step S2 is sucked into a first cotton box by a first air blower for primary opening, and the mixed cotton after the primary opening is sucked into a second cotton box from the first cotton box by a second air blower for secondary opening.

[0056] S4, first carding: the mixed cotton opened in step S3 is sent to a first carding machine to be carded into a first cotton web in a thin net shape.

[0057] S5, first laying: the first cotton web in step S4 is sent to a first laying device to be repeatedly superimposed to form a first cotton layer; the first cotton layer is formed by superimposing 9 first cotton webs.

[0058] S6, first stitching: the first cotton layer in step S5 is sent to a first stitching machine to be first stitched to form a base cloth; the yarn used in the first stitching is the first polyester filament on the six first heads in step S1; the stitch length of the first stitching is 3mm, and the base cloth formed by the first stitching has pores.

[0059] S7, second warping: a plurality of second polyester filaments are warped on a second head on a warping machine, and the second polyester filaments are placed in front of a second stitching machine after being warped on a plurality of second heads for standby; specifically, the second polyester filaments are 167Dx48F DTy polyester textured yarns, there are 358 first polyester filaments on each second head, and six second heads are placed in front of the second stitching machine for standby as a group. The DTy polyester textured yarn has high bulkiness, good heat insulation, comfortable hand feeling, soft luster, and the advantages of high general polyester breaking strength and elastic modulus, excellent heat setting property, and good rebound performance.

[0060] S8, second carding: the mixed cotton opened in step S3 is sent to a second carding machine to be carded into a second cotton web in a thin net shape.

[0061] S9, second laying: the second cotton web in step S8 is sent to a second laying device to be repeatedly superimposed to form a second cotton layer; the second cotton layer is formed by superimposing 4 second cotton webs.

[0062] S10, pile stitch knitting: the second cotton layer in step S9 and the base cloth in step S6 are stacked and sent to a second stitch knitting machine to perform pile stitch knitting to form a pile middle sole fabric with a pile top surface; the pile stitch knitting method is as follows: the distance between the lower baffle of the second stitch knitting machine and the sinker is adjusted to 8 mm, the width of the loop take-down sinker is 7 mm, the loop take-down sinker is installed on the front baffle, and the front baffle is adjusted to the position where the loop take-down sinker is 4 mm above the upper edge of the lower baffle, the guide needle on the guide plate is adjusted, when the groove needle is flush with the guide needle, the needle hole center of the guide needle is on the same horizontal line with the groove needle hook, the stitch length is adjusted to 1.4 mm, the warp sending speed, the sending speed of the stacked second cotton layer and base cloth, and the winding speed of the pile middle sole fabric are respectively adjusted to 50%, 7% and 45% of the main machine running speed of the second stitch knitting machine, finally the second polyester filament is introduced into the guide needle, and the second stitch knitting machine is operated to knit the second cotton layer and the base cloth into the pile middle sole fabric. The tucking stitch of the pile middle sole fabric is 10 / 12, and the grammage of the pile middle sole fabric is 280 g / m2. After the pile stitch knitting is completed, the base cloth still has a pore with a further reduced pore size.

[0063] S11, heat pressing and shaping: the pile middle sole fabric in step S10 is sent to a heat pressing and shaping device for heat pressing and shaping, the pile surface of the pile middle sole fabric faces upward during the heat pressing and shaping, and the pile middle sole fabric forms a pile middle sole cloth after the heat pressing and shaping; the heat pressing and shaping method is as follows: the pile middle sole fabric sequentially passes through three heat pressing roller devices, and then passes through a cooling roller device, and the heat pressing temperature of each heat pressing roller device is 200 DEG C. Due to shrinkage, the grammage of the pile middle sole cloth after heat pressing and shaping is 340-370 g / m2.

[0064] After testing, the ratio of 40% and 60% of the low-melting-point chemical fiber and the imitation big in example three is the best ratio, the ratio of the low-melting-point chemical fiber is too high, which makes the hardness of the pile middle sole cloth after heat pressing relatively hard, and the ratio of the low-melting-point chemical fiber is too low, which makes the hardness of the pile middle sole cloth after heat pressing not enough. The heat pressing temperature of 200 DEG C in example three is the best temperature, the temperature is too high, which makes the pile surface layer not strong, and the hardness of the pile middle sole cloth is relatively hard, and the temperature is too low, which makes the strength of the pile middle sole cloth not strong, and the edge is easy to burst. Moreover, the strength of the pile middle sole cloth produced by the implementation of example three is also the best, and the following table is the comparison of the test results of the three examples:

[0065]

[0066] The above is only a specific embodiment of the present application, but the design concept of the present application is not limited thereto, and any non-essential modification of the present application using this concept shall be regarded as an act of infringing the protection scope of the present application.

Claims

1. A manufacturing process for a napped insole fabric, characterized in that: Includes the following steps: S1. First warping: Several first polyester filaments are warped onto a first coil on the warping machine. After the first polyester filaments are warped onto multiple first coils, they are placed in front of the first sewing machine for later use. S2, Blended Cotton: Low-melting-point chemical fibers and imitation chemical fibers are added to a blending machine at a ratio of 40% and 60% to form blended cotton; S3, Opening: The mixed cotton in step S2 is drawn from the first fan into the first cotton box for initial opening. After initial opening, the mixed cotton is drawn from the first cotton box into the second cotton box by the second fan for secondary opening. S4, First carding: The mixed cotton opened in step S3 is sent to the first carding machine to be carded into a thin web first cotton web; S5. First cotton layering: The first cotton web from step S4 is sent to the first cotton layering device and repeatedly stacked to form the first cotton layer; S6. First stitching: The first cotton layer in step S5 is sent to the first stitching machine for the first stitching to form the base fabric. The yarn used in the first stitching is the first polyester yarn on the multiple first coils in step S1. The stitch length of the first stitching is 3mm. The base fabric formed by the first stitching has pores. S7. Second warping: Several second polyester filaments are warped onto a second warp head on the warping machine. After the second polyester filaments are warped onto multiple second warp heads, they are placed in front of the second sewing machine for later use. S8. Second carding: The mixed cotton that was opened in step S3 is sent to the second carding machine and carded into a thin web-like second cotton web; S9. Second cotton layering: The second cotton web from step S8 is sent to the second cotton layering device and repeatedly stacked to form the second cotton layer; S10. Raised Fabric Stitching: The second cotton layer from step S9 and the base fabric from step S6 are stacked and fed to the second stitching machine for raised fabric stitching to form a raised insole fabric with a napped top surface. The raised fabric stitching method is as follows: the distance between the lower baffle and the sinker of the second stitching machine is adjusted to 8mm; a 7mm wide unwinding sinker is installed on the front baffle; the front baffle is adjusted so that the unwinding sinker is 4mm from the upper edge of the lower baffle; the yarn guide needles on the yarn guide plate are adjusted until the groove needle and the yarn guide needle are flush; the needle hole of the yarn guide needle... With the center and grooved needle hooks on the same horizontal line, adjust the stitch length to 1.4mm. Adjust the warp feed speed, the fabric feed speed after the second cotton layer and base fabric are stacked, and the take-up speed of the napped insole fabric to 50%, 7%, and 45% of the main operating speed of the second sewing machine, respectively. Finally, guide the second polyester yarn into the guide needle and run the second sewing machine to weave the second cotton layer and base fabric into the napped insole fabric. The padding yarn structure of the napped insole fabric is 10 / 12, and the weight of the napped insole fabric is 280 g / m². S11. Hot pressing and shaping: The napped insole fabric from step S10 is sent to a hot pressing and shaping device for hot pressing and shaping. During hot pressing and shaping, the napped side of the napped insole fabric faces upward. After hot pressing and shaping, the napped insole fabric forms a napped insole fabric.

2. The manufacturing process of a napped insole fabric as described in claim 1, characterized in that: The first polyester yarn in step S1 is 100D×48F FDy polyester yarn. Each first coil has 280 first polyester yarns. Six first coils are placed in front of the first sewing machine for later use.

3. The manufacturing process of a napped insole fabric as described in claim 1, characterized in that: The low-melting-point chemical fiber in step S2 is a 4D×51mm low-melting-point chemical fiber, and the imitation large-scale chemical fiber is a 3D×51mm imitation large-scale chemical fiber.

4. The manufacturing process of a napped insole fabric as described in claim 1, characterized in that: The first cotton layer in step S5 is composed of 9 layers of first cotton web; the second cotton layer in step S9 is composed of 4 layers of second cotton web.

5. The manufacturing process of a napped insole fabric as described in claim 1, characterized in that: The second polyester yarn in step S7 is 167D×48F DTy polyester textured yarn. Each second coil has 358 first polyester yarns. Six second coils are placed in front of the second sewing machine for later use.

6. The manufacturing process of a napped insole fabric as described in claim 1, characterized in that: The hot pressing method in step S11 is as follows: the napped insole fabric is passed through three hot pressing roller devices in sequence, and then through a cooling roller device. The hot pressing temperature of each hot pressing roller device is 180-220℃.

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