CN111923312A - High-strength and high-toughness yoga mat and manufacturing method thereof - Google Patents
High-strength and high-toughness yoga mat and manufacturing method thereof Download PDFInfo
- Publication number
- CN111923312A CN111923312A CN202010707841.1A CN202010707841A CN111923312A CN 111923312 A CN111923312 A CN 111923312A CN 202010707841 A CN202010707841 A CN 202010707841A CN 111923312 A CN111923312 A CN 111923312A
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- Prior art keywords
- foaming
- yoga mat
- baffle
- mould
- manufacturing
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/14—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/40—Interfaces with the user related to strength training; Details thereof
- A63B21/4027—Specific exercise interfaces
- A63B21/4037—Exercise mats for personal use, with or without hand-grips or foot-grips, e.g. for Yoga or supine floor exercises
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B26/00—Exercising apparatus not covered by groups A63B1/00 - A63B25/00
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B6/00—Mats or the like for absorbing shocks for jumping, gymnastics or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
- B29C44/06—Making multilayered articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/35—Component parts; Details or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
- B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
The invention relates to a yoga mat with high strength and high toughness and a manufacturing method thereof, wherein the yoga mat comprises an elastic foaming body, the two side surfaces of the elastic foaming body are respectively provided with a layer of crust, the crust is formed by compression molding foaming, and no air holes or few air holes are formed in the crust; the invention has higher tensile strength and toughness, and the service life is prolonged.
Description
Technical Field
The invention relates to the field of yoga mat production, in particular to a high-strength and high-toughness yoga mat and a manufacturing method thereof.
Background
Yoga mats are indispensable exercise tools for yoga training crowds, the existing yoga mats are generally elastic foam bodies, the interior of the yoga mats is a porous cellular structure, the tensile strength of the yoga mats is low, people who train in the actual use process can apply certain force to the yoga mats when doing various yoga actions on the yoga mats, the yoga mats can be elongated and deformed or even torn after a long time, and the service life of the yoga mats is short; the existing yoga mat production method needs to peel off the skin and cut edges and then bond two or three yoga mats together due to poor surface quality after foaming, and the yoga mat produced by adopting the traditional method has the following problems: 1. the adhesive surface has insufficient strength and is easy to crack when in use; 2. the waste materials are generated by peeling and trimming the surface, the utilization rate of the raw materials is low and is about 65 percent; 3. the yoga mat manufactured by bonding has poor weight consistency and thickness consistency; 4. the yoga mat is full of tiny pits formed by bubbles on the surface, and dust and dirt are easily deposited in the pits and are difficult to clean.
Disclosure of Invention
The invention aims to solve the problems of the existing yoga mat and the manufacturing method thereof, and provides a high-strength and high-toughness yoga mat and a manufacturing method thereof.
The specific scheme of the invention is as follows: the utility model provides a high strength high tenacity yoga mat, includes the elasticity foaming body, elasticity foaming body both sides surface respectively is equipped with one deck crust, the crust passes through moulding-die foaming and forms, and there is not the gas pocket or gas pocket quantity in the crust inside is very little.
The elastic foaming body has multiple layers, the colors of two adjacent layers are different, and the layers are fixed by compression molding foaming adhesion.
The thickness of the crust is 0.3-0.8 mm.
The invention also provides a manufacturing method for manufacturing the yoga mat with high strength and high toughness, which comprises the following steps: raw materials mixes internally mixing → extrudes into the piece → calendering is become the piece → film cooling → moulding-die foaming, wherein moulding-die foaming adopts the multilayer foaming machine to foam, a pair detachable mould is equipped with on every layer of multilayer foaming machine, each pair of mould includes mould and lower mould, it includes the base plate to go up the mould, the welding of base plate one side has the rectangle framed, the binding face of rectangle framed and base plate is equipped with a plurality of exhaust hole along rectangle framed a week, be equipped with a plurality of air discharge ducts on the terminal surface that the base plate was kept away from to the rectangle framed, exhaust hole and air discharge duct are used for when foaming the interior gas that produces of rectangle framed outside the rectangle framed, lower mould structure is the same with last mould, the framed of going up the mould is relative.
The multi-layer synchronous feeding device comprises a track, a feeding cart moving along the track is arranged on the track, the feeding cart comprises a rectangular frame, a plurality of groups of track beams are arranged in the rectangular frame from top to bottom, the number of each group of track beams is two and are symmetrically arranged, each group of track beams is provided with an extension track beam extending towards the foaming machine direction, each group of extension track beams is provided with a baffle, the baffle spans the two extension track beams and is vertical to the extension track beams, a material supporting frame is arranged between each group of track beams, the rear ends of all the material supporting frames are connected through a vertical longitudinal beam, and a push-pull mechanism is arranged on the rectangular frame and connected with the longitudinal beam.
The push-pull mechanism comprises an air cylinder, wherein the air cylinder is arranged in the middle of the rectangular frame, and the output end of the air cylinder is fixedly connected with the longitudinal beam.
According to the yoga mat, the end part of each group of extension track beams is provided with the baffle A, and the distance between the baffle A and the baffle A is matched with the length of the yoga mat.
A plurality of installation grooves are uniformly distributed on the baffle plate and the baffle plate A along the whole length, and detachable width limiting plates are arranged in the installation grooves and used for positioning yoga mats with different widths.
The working principle of the multilayer synchronous feeding device is as follows: push-and-pull mechanism is in the state of pushing forward before the material loading, hold in the palm the below between work or material rest and the baffle A, put the film layer by layer that cools off on holding in the palm the work or material rest earlier, fix a position through baffle, baffle A and limit for width board, then send the stack pallet wholly into the multilayer foaming machine, every layer holds in the palm the work or material rest and corresponds one deck foaming storehouse, then push-and-pull mechanism action will hold in the palm the work or material rest and pull backward in step, yoga mat rear end is blockked by the baffle and can't move backward this moment, form the neutral gear between baffle and the baffle A when holding in the palm the work or material rest and removing the rear end, the yoga mat falls in the foaming machine naturally, return the work or.
The working principle of the foaming mould is as follows: the rubber sheet is placed in the rectangular mold frame, then the foaming machine closes the upper mold and the lower mold of each layer of foaming bin, and after the closing of the molds, the foaming is carried out through heating at high temperature, redundant gas generated in the foaming process is discharged outwards from the exhaust holes and the exhaust grooves, so that the yoga mat is high in compactness and has good tensile strength after foaming.
The invention has the following beneficial effects: 1. because the two sides of the yoga mat are provided with the crust, the crust has no air holes or few air holes inside, so that the tensile strength and toughness of the crust are higher, the tensile strength (which can reach 1.5-2 times of the yoga mat manufactured by the traditional method) and toughness of the whole yoga mat are further improved, and the service life of the yoga mat is prolonged; 2. the two or more yoga mats are compounded together through foaming, and compared with the traditional bonding mode, the yoga mat is not easy to crack; 3. because peeling and trimming operations are not needed, the utilization rate of raw materials is improved, can reach about 90 percent and is improved by about 25 percent, and the cost of the raw materials is reduced; 4. the post secondary processing is not needed, the consistency of the product is improved, and the production process is simplified; 5. the yoga mat has the advantages that the surface of the yoga mat is skinned and almost has no pits formed by air holes, so that dust and stains are easier to clean; 6. by adopting the multilayer synchronous feeding device, all the foaming bins can be simultaneously fed at one time, the traditional layer-by-layer feeding mode inevitably causes overlong heating time of the yoga mat fed first, and for the ultrathin yoga mat with the thickness less than 8mm, the overlong heating time causes the yoga mat to melt and become waste; the heating time of the yoga mat of each layer can be controlled to keep consistent by the multi-layer synchronous feeding mode.
Drawings
Fig. 1 is a perspective view of the yoga mat of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a view A-A of FIG. 2;
FIG. 4 is a perspective view of the upper/lower dies of the invention;
FIG. 5 is a front view of FIG. 4;
FIG. 6 is a view A-A of FIG. 5;
FIG. 7 is a view B-B of FIG. 5;
FIG. 8 is a perspective view of the multi-deck synchronous loading device of the present invention;
FIG. 9 is a front view of FIG. 8;
FIG. 10 is a view A-A of FIG. 9;
FIG. 11 is a view B-B of FIG. 10;
in the figure: 1-skinning, 2-first elastic foaming body, 3-second elastic foaming body, 4-upper die, 401-substrate, 402-rectangular die frame, 403-exhaust groove, 404-exhaust hole, 405-exhaust communicating groove, 5-multilayer synchronous feeding device, 501-track, 502-feeding car, 503-rectangular frame, 504-track beam, 505-extension track beam, 506-baffle, 507-baffle A, 508-sliding groove, 509-material supporting frame, 591-sliding block, 510-longitudinal beam, 511-cylinder, 512-foaming machine and 513-foaming bin.
Detailed Description
Referring to fig. 1-3, the present embodiment includes two layers of elastic foam, namely a first elastic foam 2 and a second elastic foam 3, wherein the first elastic foam 2 and the second elastic foam 3 are foamed and bonded by a pressing mold, the first elastic foam 2 is red, the second elastic foam 3 is blue, two side surfaces of the elastic foam are respectively provided with a layer of crust 1, the crust 1 is formed by pressing mold, and the number of pores inside the crust 1 is very small.
The thickness of the crust 1 described in this example is 0.5 mm.
Referring to fig. 4 to 7, this embodiment further provides a manufacturing method for manufacturing the yoga mat with high strength and high toughness, including the following steps: mixing and internally mixing raw materials → extruding into blocks → rolling into sheets → cooling a film → foaming a compression mold, wherein the foaming of the compression mold is carried out by adopting a multilayer foaming machine, each layer of the multilayer foaming machine is provided with a pair of detachable molds, each pair of molds comprises an upper mold 4 and a lower mold, the upper mold 4 comprises a substrate 401, one side of the substrate 401 is welded with a rectangular mold frame 402, the jointing surface of the rectangular mold frame 402 and the substrate 401 is provided with a plurality of vent holes 404 along the circumference of the rectangular mold frame 402, the end surface of the rectangular mold frame 402 far away from the substrate 401 is provided with 12 vent grooves 403, each side of the rectangular mold frame 402 is provided with 403 vent grooves 403, the vent holes 404 and the vent grooves 403 are used for discharging gas generated in the rectangular mold frame 402 during foaming out of the rectangular mold frame 402, the structure of the lower mold is the same as that of the upper mold.
In this embodiment, two circles of air exhaust communication grooves 405 are formed along the rectangular mold frame 402 on the end surface of the rectangular mold frame 402 away from the substrate 401.
In this embodiment, a galvanized steel sheet is used as the substrate 401.
In this embodiment, the thickness of the substrate 401 is 3mm, and the thickness of the rectangular mold frame 402 is 3 mm.
In this embodiment, the exhaust holes 404 are rectangular, the width of the exhaust holes 404 along the thickness direction of the rectangular mold frame 402 is 0.5mm, and the width of the exhaust grooves 403 is 0.3 mm.
Referring to fig. 8-11, a multilayer synchronous feeding device 5 is provided at one side of the foaming machine 512 in this embodiment, the multilayer synchronous feeding device 5 includes a rail 501, a feeding carriage 502 moving along the rail 502 is provided on the rail 501, the feeding carriage 502 includes a rectangular frame 503, 507 sets of rail beams 504 are provided in the rectangular frame 503 from top to bottom, each set of rail beams 504 is two and symmetrically arranged, each set of rail beams 504 is provided with an extended rail beam 505 extending toward the foaming machine 512, the extended rail beam 505 can be inserted into a foaming bin 513 of the foaming machine 512 when the feeding carriage 502 is moved forward, each set of extended rail beams 505 is provided with a baffle 506, the baffle 506 spans over the two extended rail beams 505 and is perpendicular to the extended rail beams 505, two sliding grooves 508 are symmetrically provided on the inner side of each set of rail beams 504, the sliding grooves 508 extend to the extended rail beams 505, a material supporting frame 509 is provided between the two sliding grooves 508, the two sides of the material supporting frame are provided with sliding blocks 591 moving along the sliding grooves 508, the rear ends of all the material supporting frames 509 are connected through a vertical longitudinal beam 510, and the rectangular frame 503 is provided with a push-pull mechanism which is connected with the longitudinal beam 510.
The push-pull mechanism of the embodiment comprises an air cylinder 511, wherein the air cylinder 511 is installed in the middle of the rectangular frame 503, and the output end of the air cylinder 511 is fixedly connected with the longitudinal beam 510.
In this embodiment, the end of each group of extension track beams 505 is provided with a baffle a507, and the distance between the baffle 506 and the baffle a507 is matched with the length of the yoga mat.
In this embodiment, a plurality of mounting grooves are uniformly distributed on the baffle 506 and the baffle A507 along the whole length, and a detachable width limiting plate is arranged in each mounting groove.
In this embodiment, the foaming machine 512 adopts "a mold fixing structure of a foaming molding machine and a foaming molding machine" with publication number CN209207858U "
The following table shows the comparison of various performance test data of two yoga mats with the same thickness and the same specification manufactured by respectively adopting the traditional process and the process of the invention:
from the above table, it can be calculated that the tensile strength of the yoga mat manufactured by the process of the invention is improved by about 80%, and the tear strength is improved by about 60%.
Claims (8)
1. The utility model provides a high strength high tenacity yoga mat, includes elasticity foaming body, characterized by: the two side surfaces of the elastic foaming body are respectively provided with a layer of crust, and the crust is formed by compression molding and foaming.
2. The yoga mat of claim 1, wherein the yoga mat comprises: the elastic foaming body has multiple layers, the colors of two adjacent layers are different, and the layers are fixed by compression molding foaming adhesion.
3. The yoga mat of claim 1, wherein the yoga mat comprises: the thickness of the crust is 0.3-0.8 mm.
4. A method for manufacturing the yoga mat with high strength and high toughness according to any of claims 1 to 3, which is characterized in that: the method comprises the following steps: raw materials mixes internally mixing → extrudes into the piece → calendering is become the piece → film cooling → moulding-die foaming, wherein moulding-die foaming adopts the multilayer foaming machine to foam, a pair detachable mould is equipped with on every layer of multilayer foaming machine, each pair of mould includes mould and lower mould, it includes the base plate to go up the mould, the welding of base plate one side has the rectangle framed, the binding face of rectangle framed and base plate is equipped with a plurality of exhaust hole along rectangle framed a week, be equipped with a plurality of air discharge ducts on the terminal surface that the base plate was kept away from to the rectangle framed, exhaust hole and air discharge duct are used for when foaming the interior gas that produces of rectangle framed outside the rectangle framed, lower mould structure is the same with last mould, the framed of going up the mould is relative.
5. The manufacturing method according to claim 4, wherein: the multi-layer foaming machine is characterized in that one side of the multi-layer foaming machine is provided with a multi-layer synchronous feeding device, the multi-layer synchronous feeding device comprises a rail, a feeding cart moving along the rail is arranged on the rail, the feeding cart comprises a rectangular frame, a plurality of groups of rail beams are arranged in the rectangular frame from top to bottom, the number of each group of rail beams is two and is symmetrically arranged, each group of rail beams is provided with an extension rail beam extending towards the direction of the foaming machine, each group of extension rail beams is provided with a baffle, the baffle spans the two extension rail beams and is perpendicular to the extension rail beams, a material supporting frame is arranged between each group of rail beams, the rear ends of all the material supporting frames are connected through a vertical longitudinal beam, and a push-pull mechanism.
6. The manufacturing method according to claim 5, wherein: the push-pull mechanism comprises an air cylinder, the air cylinder is installed in the middle of the rectangular frame, and the output end of the air cylinder is fixedly connected with the longitudinal beam.
7. The manufacturing method according to claim 5, wherein: every extension track beam end of group portion is equipped with baffle A, distance between baffle and the baffle A matches with yoga mat length.
8. The manufacturing method according to claim 7, wherein: the baffle has a plurality of mounting groove along the full length equipartition on with baffle A, is equipped with detachable limit for width board in the mounting groove and is used for fixing a position the yoga mat of different widths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010707841.1A CN111923312A (en) | 2020-07-22 | 2020-07-22 | High-strength and high-toughness yoga mat and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010707841.1A CN111923312A (en) | 2020-07-22 | 2020-07-22 | High-strength and high-toughness yoga mat and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111923312A true CN111923312A (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010707841.1A Pending CN111923312A (en) | 2020-07-22 | 2020-07-22 | High-strength and high-toughness yoga mat and manufacturing method thereof |
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| CN (1) | CN111923312A (en) |
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| EP2078606A2 (en) * | 2008-01-08 | 2009-07-15 | Veyance Technologies, Inc. | Treadmill belt with foamed cushion layer and method of making |
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2020
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