CN109621283B

CN109621283B - Method for manufacturing yoga mat

Info

Publication number: CN109621283B
Application number: CN201910066823.7A
Authority: CN
Inventors: 邵建波
Original assignee: JIANGSU QIANSHENG SYNTHETIC MATERIAL CO Ltd
Current assignee: JIANGSU QIANSHENG SYNTHETIC MATERIAL CO Ltd
Priority date: 2019-01-24
Filing date: 2019-01-24
Publication date: 2020-08-04
Anticipated expiration: 2039-01-24
Also published as: CN109621283A

Abstract

The invention relates to a manufacturing method of a yoga mat. The manufacturing method of the yoga mat comprises the following steps: preparing materials according to a preset component proportion to form a mixture, wherein the mixture comprises polyvinyl chloride, a plasticizer, a foaming agent, color paste, calcium carbonate and butadiene acrylonitrile rubber, and the mass fraction of the butadiene acrylonitrile rubber in the mixture is 3% -5%; stirring the mixture by using a stirrer; coating the mixture by using a coating machine to form a strip-shaped base band; and carrying out foaming operation on the strip-shaped base belt. The yoga mat manufactured by the manufacturing method of the yoga mat has high resilience and good use effect.

Description

Method for manufacturing yoga mat

Technical Field

The invention relates to the technical field of yoga mat processing, in particular to a method for manufacturing a yoga mat.

Background

Yoga is a sport, is suitable for various crowds, and there are many yoga mats of accompanying and practicing persons, the material of yoga mat generally adopts natural latex, natural rubber and other natural materials to make, yoga mat is soft and elastic, common yoga mat has TPE (Thermoplastic Elastomer, tetraphenyl Ethylene), PVC (polyvinyl chloride), EVA (Ethylene Vinyl Acetate Copolymer), natural rubber several materials.

For example, chinese patent publication No. CN102000412A discloses a PVC plastic foam yoga mat and a method for preparing the same, in which effective amounts of PVC paste resin, plasticized modified resin, EVA toughened resin, stabilizer, modified nanoparticles and foaming agent are uniformly mixed, and then a plasticizer is added and uniformly stirred to form a paste mixture; and (3) coating the pasty mixture on a mesh by adopting a continuous blade coating method, plasticizing and foaming in a foaming furnace, then molding, and then circularly cooling and shaping to obtain the foaming pad.

However, the above prior art has the following drawbacks: the yoga mat formed by the yoga mat has poor resilience, thereby influencing the use effect.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a yoga mat manufacturing method capable of improving the resilience of the yoga mat.

In order to achieve the purpose, the invention provides the following technical scheme:

a manufacturing method of a yoga mat comprises the following steps:

preparing materials according to a preset component proportion to form a mixture, wherein the mixture comprises polyvinyl chloride, a plasticizer, a foaming agent, color paste, calcium carbonate and butadiene acrylonitrile rubber, and the mass fraction of the butadiene acrylonitrile rubber in the mixture is 3% -5%;

stirring the mixture by using a stirrer;

coating the mixture by using a coating machine to form a strip-shaped base band; and

and carrying out foaming operation on the strip-shaped base belt.

By adopting the technical scheme, the nitrile rubber with the mass fraction of 3% -5% is added into the mixed components of the yoga mat, compared with the existing yoga mat with the same size, the hardness of the yoga mat manufactured by adopting the method is improved, the resilience performance of the yoga mat is improved by 3-5 degrees, and the using effect of the yoga mat is improved.

Further, the foaming operation of the strip-shaped base belt further comprises the following steps:

winding the strip baseband by using a winding machine; and

and carrying out embossing operation on the strip base belt to form the yoga mat.

Through adopting above-mentioned technical scheme, be convenient for form yoga mat's surface pattern.

Further, the step of embossing the strip-shaped base belt to form the yoga mat further comprises the following steps: and measuring the yoga mat by using a measuring instrument.

Through adopting above-mentioned technical scheme, can be right yoga mat's hardness carries out the rapid survey.

Further, the measuring instrument includes the sclerometer, adopts the measuring instrument right the yoga mat measures specifically and is: and measuring the hardness of the yoga mat by adopting a hardness meter.

Through adopting above-mentioned technical scheme, can measure comparatively conveniently the hardness of yoga mat.

Further, the method also comprises the following steps after measuring the hardness of the yoga mat by adopting a hardness meter: and packaging the yoga mat and warehousing.

Through adopting above-mentioned technical scheme, it is convenient yoga mat's packing.

Further, in the step of winding the strip-shaped base band by using a winding machine, the strip-shaped base band is cooled to 50-60 ℃.

By adopting the technical scheme, the strip-shaped base band can be conveniently and subsequently imprinted.

Further, to the step of the strip baseband carry out the impression operation in order to form the yoga mat specifically is: carrying out hot-press molding on the strip-shaped base band by using a hot press to form a yoga mat; and adopting a printing machine to perform printing operation on the yoga mat.

Through adopting above-mentioned technical scheme, it is convenient right yoga mat carries out hot briquetting.

Further, the coating machine is arranged in a cylinder, the cylinder is cylindrical, and the top of the cylinder is provided with an opening.

Through adopting above-mentioned technical scheme, it is convenient right the yoga mat carries out the coating operation.

Further, will yoga mat packing step of putting in storage specifically is: and packaging and warehousing the yoga mat by adopting a transparent bag, wherein the transparent bag is cylindrical, and the middle part of the transparent bag is provided with a decorative paper sheet.

Through adopting above-mentioned technical scheme, make things convenient for the consumer to look over from the outside yoga mat.

Further, after the yoga mat is packaged and stored in a warehouse, the ground clearance of the yoga mat is 15-20 cm.

Through adopting above-mentioned technical scheme, can prevent yoga mat receives the invasion of moist moisture.

In conclusion, the invention has the following beneficial effects:

1. by adopting the nitrile rubber, the nitrile rubber with the mass fraction of 3% -5% is added into the mixed components of the yoga mat, compared with the existing yoga mat with the same size, the hardness of the yoga mat manufactured by the method is improved, the resilience performance of the yoga mat is improved by 3-5 degrees, and the using effect of the yoga mat is improved.

Drawings

Fig. 1 is a schematic cross-sectional view illustrating a method for manufacturing a yoga mat according to an embodiment.

Fig. 2 is a schematic perspective view of a coater according to an embodiment.

Fig. 3 is a perspective view of the coater shown in fig. 2 from another view angle.

FIG. 4 is a flowchart illustrating the steps of the coating process according to one embodiment.

In the figure, 100, coater; 20. a feed pipe; 21. a feed channel; 22. an elastic guide piece; 225. an arcuate guide convex surface; 226. rotating the column; 30. blade coating components; 31. a first squeeze roll; 32. a second squeeze roll; 33. a guide body; 331. a V-shaped heating tank; 335. a guide surface; 336. a side cutter; 338. an arc-shaped leading-out surface; 34. a first squeegee; 35. a second squeegee; 38. extruding the gap; 40. thinning the component; 41. a support frame; 411. a spindle rod; 412. a blocking rod; 415. an inclined lever; 42. thinning the scraper; 425. a scraping blade; 426. thinning the gap; 43. a linkage spring; 50. a film covering assembly; 51. rolling the film; 511. a reel; 512. a protective film; 52. pressing and holding the plate; 525. the rotating shaft is pressed; 53. a tension spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a method for manufacturing a yoga mat includes the following steps:

in the step S101, mixing materials according to a preset component proportion to form a mixture, wherein the mixture comprises polyvinyl chloride, a plasticizer, a foaming agent, color paste, calcium carbonate and butadiene acrylonitrile rubber, and the mass fraction of the butadiene acrylonitrile rubber in the mixture is 3% -5%;

in step S102, the mixture is stirred by a stirrer;

in step S103, coating the mixture by using a coater to form a strip-shaped base tape; and

in step S104, a foaming operation is performed on the strip-shaped base tape.

Specifically, the foaming operation of the strip-shaped base belt further comprises the following steps: winding the strip baseband by using a winding machine; and carrying out embossing operation on the strip base belt to form the yoga mat. In one embodiment, after the embossing operation is performed on the strip-shaped base belt to form the yoga mat, the method further comprises the following steps: and measuring the yoga mat by using a measuring instrument. The measuring instrument includes the sclerometer, adopts the measuring instrument right the yoga mat measures specifically to be: and measuring the hardness of the yoga mat by adopting a hardness meter. Adopt the sclerometer to measure still include the following step after the hardness of yoga mat: and packaging the yoga mat and warehousing. And in the step of rolling the strip-shaped base band by using a rolling machine, cooling the strip-shaped base band to 50-60 ℃.

The step of carrying out the impression operation in order to form the yoga mat to strip baseband specifically is: carrying out hot-press molding on the strip-shaped base band by using a hot press to form a yoga mat; and adopting a printing machine to perform printing operation on the yoga mat. The coater 100 is disposed in a barrel. The barrel is cylindrical and has an opening at the top. Will yoga mat packing step of putting in storage specifically does: and packaging and warehousing the yoga mat by adopting a transparent bag, wherein the transparent bag is cylindrical, and the middle part of the transparent bag is provided with a decorative paper sheet. And after the yoga mat is packaged and stored, the ground clearance of the yoga mat is 15-20 cm.

Referring to fig. 2 and 3, the coating machine 100 includes a feeding tube 20, a blade coating assembly 30, a thinning assembly 40, and a film covering assembly 50. The feeding pipe 20 is in a rectangular pipe shape and used for conveying the mixed materials output by the stirrer to the scraping and coating assembly 30, the scraping and coating assembly 30 is arranged close to the feeding pipe 20 and used for extruding the mixed materials to form a strip-shaped base band, and the thinning assembly 40 is linked with the scraping and coating assembly 30 and used for scraping and coating the surface of the strip-shaped base band so as to level the surface of the strip-shaped base band and reduce the thickness of the strip-shaped base band. The film coating assembly 50 is used for attaching a protective film 512 to the strip-shaped baseband to protect the strip-shaped baseband, so that the strip-shaped baseband can be temporarily stored, or the strip-shaped baseband is prevented from being damaged in the subsequent process.

A feeding channel 21 is formed in the feeding pipe 20, elastic guide pieces 22 are respectively convexly arranged on two opposite sides of the feeding pipe 20, one end of each elastic guide piece 22 is arranged in the middle of the feeding pipe 20, the other end of each elastic guide piece 22 extends towards the end of the feeding channel 21 and forms a gap with the side wall of the feeding pipe 20, arc-shaped guide convex surfaces 225 are formed on the two elastic guide pieces 22, and the two arc-shaped guide convex surfaces 225 are oppositely arranged. The distance between the arc-shaped guide convexities 225 of the two elastic guide pieces 22 is gradually increased in a direction away from the middle of the feed tube 20. The free ends of the two resilient guide tabs 22 are each provided with a rotation post 226. The blade coating assembly 30 includes a first squeeze roller 31, a second squeeze roller 32, a guide body 33, a first blade 34, and a second blade 35. The first squeeze roll 31 and the second squeeze roll 32 are arranged at the end of the feeding channel 21 at intervals, a squeeze gap 38 is formed between the first squeeze roll 31 and the second squeeze roll 32, the squeeze gap 38 is communicated with the feeding channel 21, the width of the squeeze gap 38 is smaller than that of the feeding channel 21, and the squeeze gap 38 is used for squeezing the mixture conveyed out from the feeding channel 21 to form a strip-shaped base band.

The free ends of the two elastic guide pieces 22 respectively elastically abut against the circumferential surface of the first squeezing roller 31 and the circumferential surface of the second squeezing roller 32. The rotation posts 226 of the two elastic guide pieces 22 respectively roll against the circumferential surface of the first squeeze roller 31 and the circumferential surface of the second squeeze roller 32. For example, the two elastic guide pieces 22 are respectively a first elastic guide piece and a second elastic guide piece, the first elastic guide piece elastically abuts against the first squeeze roller 31, the second elastic guide piece elastically abuts against the second squeeze roller 32, and by arranging the first elastic guide piece and the second elastic guide piece, the mixture can be prevented from overflowing, so that the mixture can be conveyed to the squeeze gap 38. The rotating columns 226 on the first elastic guiding sheet and the rotating columns 226 on the second elastic guiding sheet can respectively and rotatably scrape the residual mixture on the first squeeze roller 31 and the second squeeze roller 32, so that the first squeeze roller 31 and the second squeeze roller 32 can be kept relatively clean.

The end of the guide body 33 slidably abuts against the circumferential surface of the first squeeze roller 31, a V-shaped heating groove 331 is concavely formed in the end of the guide body 33, and the V-shaped heating groove 331 opens toward the circumferential surface of the first squeeze roller 31 to heat the circumferential surface of the first squeeze roller 31. The surface of the guide body 33 is formed with a guide surface 335, the guide surface 335 is tangent to the circumferential surface of the first squeeze roller 31, and the guide surface 335 extends into the squeeze gap 38 to receive and convey the strip-shaped base tape. The guide surface 335 is constituted by the surface of a conveyor belt, for example. An arc-shaped leading-out surface 338 is formed at one end, away from the extrusion gap 38, of the guide body 33, the arc-shaped leading-out surface 338 extends in an arc shape towards the direction away from the second extrusion roller 32, and the arc-shaped leading-out surface 338 is used for leading the strip-shaped base band out of the guide body 33 and guiding the strip-shaped base band to the next station. The guide body 33 is further provided with two side cutters 336, the two side cutters 336 are both adjacent to the arc-shaped leading-out surface 338, the two side cutters 336 are respectively arranged on two opposite sides of the guide body 33, and the two side cutters 336 extend towards the direction of the first squeezing roller 31. The two side cutters 336 are respectively formed with a side cutting edge (not shown) on the surface thereof, and the side cutting edges of the two side cutters 336 are used for cutting opposite sides of the strip-shaped base tape so as to control the width of the strip-shaped base tape to a preset value.

The first scraper 34 and the second scraper 35 elastically abut against the circumferential surface of the first squeeze roll 31 and the circumferential surface of the second squeeze roll 32, respectively. The first scraper 34 is located on one side of the first squeezing roller 31 away from the first elastic guiding piece, one end of the first scraper 34 is provided with a first rotating shaft, the first rotating shaft elastically abuts against the circumferential surface of the first squeezing roller 31, the other end of the first scraper 34 extends towards an arc-shaped leading-out surface 338 of the guiding body 33, and the distance between the first scraper 34 and the guiding surface 335 gradually increases along the direction away from the feeding channel 21. The second scraper 35 is located on the side of the second squeeze roller 32 remote from the second resilient guide piece. The second squeegee 35 is located between the second pressing roller 32 and the guide body 33. One end of the second scraper 35 is provided with a second rotating shaft, the second rotating shaft elastically abuts against the second squeeze roll 32, and the other end of the second scraper 35 is connected to the bottom of the guide body 33. The first scraper 34 and the second scraper 35 are used for scraping the mixture on the first squeeze roll 31 and the second squeeze roll 32, respectively.

The thinning component 40 comprises a support frame 41, a thinning scraper 42 and a linkage spring 43. The supporting frame 41 is installed on the guiding body 33, the supporting frame 41 is located between the arc-shaped leading-out surface 338 and the first squeezing roller 31, the supporting frame 41 is perpendicular to the guiding body 33, a rotating shaft rod 411 is convexly arranged at the top of the supporting frame 41, and the rotating shaft rod 411 is perpendicular to the guiding body 33 and perpendicular to the supporting frame 41. A blocking rod 412 is convexly arranged in the middle of the supporting frame 41, and the blocking rod 412 is arranged in parallel with the rotating shaft rod 411. One end of the first scraper 34 far away from the first squeeze roll 31 is rotationally connected to the rotating shaft rod 411, the thinning scraper 42 is adjacent to the blocking rod 412, and the thinning scraper 42 is located at one side of the blocking rod 412 facing the first squeeze roll 31. One end of the thinning blade 42 is rotatably connected to the rotating shaft 411, and the other end of the thinning blade 42 extends vertically toward the guide body 33. The end of the thinning scraper 42 away from the rotating shaft 411 is provided with a scraper blade 425, the scraper blade 425 faces the guide surface 335 of the guide body 33, a thinning gap 426 is formed between the scraper blade 425 and the guide surface 335, and the width of the thinning gap 426 is smaller than the width of the pressing gap 38. The scraping edge 425 is used to reduce the thickness of the strip-shaped base tape to further control the final thickness of the strip-shaped base tape. The two opposite ends of the linkage spring 43 are respectively connected with the first scraper 34 and the thinning scraper 42. When the interlocking spring 43 is as long as it is, the thinning scraper 42 is perpendicular to the guide surface 335 of the guide body 33.

When the strip-shaped base tape is conveyed onto the guide surface 335 of the guide body 33, the scraping edge 425 of the thinning scraper 42 scrapes the top surface of the strip-shaped base tape to reduce the thickness of the strip-shaped base tape. When the rotating speed of the first squeeze roll 31 is faster and the conveying speed of the strip-shaped base strip is increased, more mixture remains on the first squeeze roll 31. At this time, the thinning scraper 42 moves towards the blocking rod 412 due to the larger pulling force of the strip-shaped base band, and then the linking spring 43 pulls the first scraper 34 to increase the force to tightly abut against the first squeeze roll 31, so that the abutting force of the first squeeze roll 31 is improved, and the residual mixed material on the first squeeze roll 31 can be conveniently removed. When the thinning scraper blade 42 continues to rotate, the blocking rod 412 can block the thinning scraper blade 42 to prevent the thinning scraper blade 42 from excessively rotating due to stress, and damage of the thinning scraper blade 42 is avoided. When the rotating speed of the first squeezing roller 31 is reduced, the linkage spring 43 returns to the original length, and the thinning scraper 42 is pulled to return to the original position.

The film covering assembly 50 comprises a film roll 51, a pressing plate 52 and a tension spring 53, wherein the film roll 51 comprises a reel 511 and a protective film 512 wound on the reel 511. The winding shaft 511 is arranged adjacent to the arc-shaped leading-out surface 338, two opposite ends of the winding shaft 511 are respectively rotatably mounted in the middle of the two side cutters 336, the protective film 512 is wound on the winding shaft 511, one end of the protective film 512 extends towards the arc-shaped leading-out surface 338, and the end part of the protective film 512 is attached to the surface of the strip-shaped base band. The supporting frame 41 is further provided with an inclined rod 415 in a protruding manner, the inclined rod 415 extends in an inclined manner towards the arc-shaped leading-out surface 338, the top end of the pressing and holding plate 52 is rotatably connected to the end part of the inclined rod 415, and the pressing and holding plate 52 is arranged in an inclined manner relative to the guide surface 335. The bottom end of the pressing plate 52 is provided with a pressing rotating shaft 525, and the pressing rotating shaft 525 is rotatably pressed on the protective film 512 and is adjacent to the end of the protective film 512. The position of the pressure-holding rotating shaft 525 is lower than the position of the winding shaft 511. The two opposite ends of the tension spring 53 are respectively connected to the thinning scraper 42 and the pressing plate 52. The tension spring 53 applies force to the pressing plate 52, so that the pressing rotating shaft 525 of the pressing plate 52 is pressed on the protective film 512, and the protective film 512 can be attached to the strip-shaped base tape. The pressing shaft 525 applies a lateral pressing force to the protective film 512.

When the rotating speed of the first squeezing roller 31 is increased, the transmission speed of the strip-shaped base band is also increased, the force applied by the strip-shaped base band on the film roll 51 is increased, the thinning scraper 42 is retracted under the influence of the first scraper 34 and the linkage spring 43, and the tension spring 53 is slightly released, so that the force of the pressing plate 52 pressing the protective film 512 is reduced, and the protective film 512 is released, so that the pressing plate 52 is prevented from breaking the protective film 512. In the coating machine 100, the linkage spring 43 and the tension spring 53 can realize the linkage of the first scraper 34, the thinning scraper 42 and the pressing and holding plate 52, so that the forming effect of the strip-shaped base band is improved.

For example, the coating step, that is, the step of coating the mixture with a coating machine to form a strip-shaped base tape, specifically includes:

in step S1021, the feeding tube 20 delivers the mixture to the guiding body 33, and the two elastic guiding pieces 22 on the feeding tube 20 guide the mixture into the extrusion gap 38 by using their own arc-shaped guiding convex surfaces 225;

in step S1022, the first squeezing roller 31 and the second squeezing roller 32 squeeze the mixture together to form a strip-shaped base tape, and the guide surface 335 of the guide body 33 conveys the strip-shaped base tape;

in step S1023, the first scraper 34 rotates and abuts against the first squeeze roll 31 by using the first rotating shaft, and the second scraper 35 rotates and abuts against the second squeeze roll 32 by using the second rotating shaft, so as to scrape off the residual mixture on the first squeeze roll 31 and the second squeeze roll 32 respectively;

in step S1024, the thinning scraper 42 scrapes the surface of the strip-shaped base tape by using its own scraping edge 425 to reduce the thickness of the strip-shaped base tape, and both ends of the linkage spring 43 respectively pull the first scraper 34 and the thinning scraper 42, so as to adjust the pressing force of the first scraper 34 on the first squeeze roller 31 according to the stress of the thinning scraper 42; when the thinning scraper 42 rotates to a preset angle, the blocking rod 412 blocks the thinning scraper 42.

In step S1025, the guiding surface 335 guides and conveys the strip-shaped base tape towards the arc-shaped leading-out surface 338, and the two side cutters 336 cut opposite sides of the strip-shaped base tape to control the width of the strip-shaped base tape;

in step S1026, the protective film 512 is drawn out from the top of the film roll 51, so that the end of the protective film 512 is attached to the strip-shaped base tape at the arc-shaped drawing surface 338, and the strip-shaped base tape drives the protective film 512 to move so as to force the film roll 51 to rotate;

in step S1027, the pressing plate 52 presses the protection film 512 toward the strip-shaped base tape, and the opposite ends of the tension spring 53 respectively pull the pressing plate 52 and the thinning scraper 42, so as to adjust the transverse pressing force applied to the protection film 512 by the pressing plate 52 according to the stress of the thinning scraper 42.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A yoga mat manufacturing method is characterized in that: the method comprises the following steps:

stirring the mixture by using a stirrer;

foaming the strip base band;

the coating machine (100) comprises a feeding pipe (20), a blade coating assembly (30), a thinning assembly (40) and a film coating assembly (50), wherein a feeding channel (21) is formed in the feeding pipe (20), the thinning assembly (40) is linked with the blade coating assembly (30), the blade coating assembly (30) comprises a first extrusion roller (31), a second extrusion roller (32), a guide body (33), a first scraper blade (34) and a second scraper blade (35), the first extrusion roller (31) and the second extrusion roller (32) are arranged at the end part of the feeding channel (21) at intervals, an extrusion gap (38) is formed between the first extrusion roller (31) and the second extrusion roller (32), the extrusion gap (38) is communicated with the feeding channel (21), the width of the extrusion gap (38) is smaller than that of the feeding channel (21), and an arc-shaped leading-out surface (338) is formed at one end, far away from the extrusion gap (38), of the guide body (33), the end part of the guide body (33) is slidably abutted against the circumferential surface of the first extrusion roller (31), a guide surface (335) is formed on the surface of the guide body (33), the guide surface (335) is tangential to the circumferential surface of the first extrusion roller (31), one end of the first scraper (34) is provided with a first rotating shaft, the first rotating shaft is elastically abutted against the circumferential surface of the first extrusion roller (31), the other end of the first scraper (34) extends towards an arc-shaped leading-out surface (338) of the guide body (33), the second scraper (35) is positioned between the second extrusion roller (32) and the guide body (33), one end of the second scraper (35) is provided with a second rotating shaft, the second rotating shaft is elastically abutted against the second extrusion roller (32), the other end of the second scraper (35) is connected to the bottom of the guide body (33), the thinning assembly (40) comprises a support frame (41), a thinning scraper (42) and a linkage spring (43), the support frame (41) is positioned between the arc-shaped leading-out surface (338) and the first extrusion roller (31), the support frame (41) is perpendicular to the guide body (33), the top of the support frame (41) is convexly provided with a rotating shaft rod (411), the rotating shaft rod (411) is perpendicular to the guide body (33) and perpendicular to the support frame (41), the middle part of the support frame (41) is convexly provided with a blocking rod, the blocking rod is parallel to the rotating shaft rod (411), one end, far away from the first extrusion roller (31), of the first scraper blade (34) is rotatably connected onto the rotating shaft rod (411), the thinning scraper blade (42) is adjacent to the blocking rod, the thinning scraper blade (42) is positioned on one side, far away from the first extrusion roller (31), of the thinning scraper blade (42), the end, far away from the rotating shaft rod (411), of the scraper blade (425), the scraper blade (425) is toward the guide surface (335) of the guide body (33), and a thinning gap (426) is formed between the scraper blade (425) and, the width of the thinning gap (426) is smaller than that of the extrusion gap (38), the film covering assembly (50) comprises a film roll (51), a pressing and holding plate (52) and a tension spring (53), the film roll (51) comprises a scroll (511) and a protective film (512) wound on the scroll (511), the scroll (511) is arranged close to an arc-shaped leading-out surface (338), two opposite ends of the scroll (511) are respectively and rotatably installed in the middle of two side cutters (336), the protective film (512) is wound on the scroll (511), one end of the protective film (512) extends towards the arc-shaped leading-out surface (338), the end part of the protective film (512) is attached to the surface of the strip-shaped base tape, an inclined rod (415) is further convexly arranged on the support frame (41), the inclined rod (415) extends obliquely towards the arc-shaped leading-out surface (338), the top end of the pressing and holding plate (52) is rotatably connected to the end part of the inclined rod (415), and the pressing and the, the bottom end of the pressing plate (52) is provided with a pressing rotating shaft (525), and the pressing rotating shaft (525) is rotatably pressed on the protective film (512) and is adjacent to the end part of the protective film (512).

2. The method of manufacturing the yoga mat of claim 1, wherein: the foaming operation of the strip-shaped base belt further comprises the following steps:

winding the strip baseband by using a winding machine; and

3. The yoga mat manufacturing method of claim 2, wherein: the method comprises the following steps of carrying out embossing operation on the strip base belt to form the yoga mat: and measuring the yoga mat by using a measuring instrument.

4. The yoga mat manufacturing method of claim 3, wherein: the measuring instrument includes the sclerometer, adopts the measuring instrument right the yoga mat measures specifically to be: and measuring the hardness of the yoga mat by adopting a hardness meter.

5. The method of manufacturing the yoga mat of claim 4, wherein: adopt the sclerometer to measure still include the following step after the hardness of yoga mat: and packaging the yoga mat and warehousing.

6. The yoga mat manufacturing method of claim 5, wherein: and in the step of rolling the strip-shaped base band by using a rolling machine, cooling the strip-shaped base band to 50-60 ℃.

7. The yoga mat manufacturing method of claim 6, wherein: the step of carrying out the impression operation in order to form the yoga mat to strip baseband specifically is: carrying out hot-press molding on the strip-shaped base band by using a hot press to form a yoga mat; and adopting a printing machine to perform printing operation on the yoga mat.

8. The method of manufacturing the yoga mat of claim 7, wherein: the coating machine is arranged in the cylinder, the cylinder is cylindrical, and the top of the cylinder is provided with an opening.

9. The method of manufacturing the yoga mat of claim 8, wherein: will yoga mat packing step of putting in storage specifically does: and packaging and warehousing the yoga mat by adopting a transparent bag, wherein the transparent bag is cylindrical, and the middle part of the transparent bag is provided with a decorative paper sheet.

10. The method of manufacturing the yoga mat of claim 9, wherein: and after the yoga mat is packaged and stored, the ground clearance of the yoga mat is 15-20 cm.