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CN-115923216-B - Manufacturing process of inflation-free football

CN115923216BCN 115923216 BCN115923216 BCN 115923216BCN-115923216-B

Abstract

The invention relates to the technical field of manufacturing of sports goods, in particular to a manufacturing process of an inflation-free football, which comprises the following steps of S1, weighing main material colloidal particles and auxiliary materials, mixing uniformly, putting into a mixer for mixing to obtain a mixture, S2, carrying out open milling on the mixture to obtain a tablet, S3, cutting the tablet into particles, S4, weighing particles, adding into a foaming machine for solid foaming to obtain blank balls, S5, polishing the surfaces of the blank balls to be smooth, S6, carrying out secondary foaming molding on the polished blank balls, S7, carrying out cleaning and finishing on the molded football surfaces, and S8, carrying out vacuum transfer printing and colored drawing patterns on the football surfaces to obtain finished football products. The invention has simple manufacturing process, the finished product has enough elasticity when in use, the elasticity is equivalent to that of a normal ball, the invention is convenient to use, does not inflate, has light texture, has mild and good touch feeling on the surface of the ball, can be recycled after the inflation-free football is scrapped, and is environment-friendly and pollution-free.

Inventors

  • YANG YONGQUAN

Assignees

  • 东莞市丞冠运动用品科技有限公司

Dates

Publication Date
20260512
Application Date
20221209

Claims (6)

  1. 1. A manufacturing process of an inflation-free football is characterized by comprising the following steps: s1, weighing main material colloidal particles and auxiliary materials, adding the auxiliary materials into the main material colloidal particles, uniformly mixing, and then placing the mixture into a stirrer for heating, stirring and mixing to obtain a mixture for later use; s2, transferring the mixture to an open mill for open milling, and discharging to obtain a tablet for later use; S3, cutting the material sheet into particles with the particle size by a granulator for standby; S4, weighing particles, and adding the particles into a mold of a foaming machine to perform solid foaming to obtain blank balls for later use; s5, polishing the surface of the blank ball to be smooth for later use; s6, placing the polished blank ball on a forming machine for secondary foaming forming for later use; s7, cleaning and finishing the surface of the football formed by secondary foaming to obtain a semi-finished football for standby; s8, carrying out vacuum transfer printing, colored drawing patterns and logo on the surface of the semi-finished football to obtain a finished football; in the step S4, the temperature in solid foaming is 180-220 ℃, and the foaming time is 40-60min; in the step S6, the temperature in the secondary foaming is 190-210 ℃ and the foaming time is 50-60min; the main material colloidal particles are at least one of EVA colloidal particles, TPE colloidal particles and POE colloidal particles; The auxiliary materials comprise, by weight, 1-10% of calcium carbonate, 1-10% of an AC foaming agent, 0.2-5.0% of an odorless bridge agent, 0.3-5.0% of zinc oxide powder, 0.3-5.0% of stearic acid, 0-6.0% of a pigment and 1-10% of a deaminating agent.
  2. 2. The process for manufacturing the inflation-free football as claimed in claim 1, wherein in the step S1, the temperature during mixing is 120-130 ℃, and the mixing time is 10-20min.
  3. 3. The process for manufacturing the inflation-free football as claimed in claim 1, wherein in the step S2, the temperature is 75-85 ℃ during open mill, and the open mill time is 4-8min.
  4. 4. The process for manufacturing the inflation-free football according to claim 1, wherein in the step S1, the weight ratio of the main material colloidal particles to the auxiliary material is 5-10:0.4-5.
  5. 5. The process for manufacturing the inflation-free football according to claim 1, wherein the auxiliary materials comprise, by weight, 1-10% of calcium carbonate, 1-10% of an AC foaming agent, 0.2-5.0% of an odorless bridge agent, 0.3-5.0% of zinc oxide powder, 0.3-5.0% of stearic acid, 0.2-6.0% of a pigment and 1-10% of an ammonia removal agent.
  6. 6. The process for manufacturing the inflation-free football of claim 1 or 5, wherein the odorless bridge agent is BIBP.

Description

Manufacturing process of inflation-free football Technical Field The invention relates to the technical field of manufacturing of sports goods, in particular to a manufacturing process of an inflation-free football. Background The conventional ball, such as basketball, volleyball and football made of leather or rubber, is suitable for sports, but is not suitable for teenagers, beginners and middle-aged and elderly people because of heavy and hard ball bladder, and is made by sewing pre-cut leather or artificial materials on the outer surface of the ball bladder, so that the process is complex, the manufacturing cost is high, all the defects can not meet the requirements of people's fitness groups on basketball, volleyball and football feel, in addition, the conventional ball needs to be inflated, the use is inconvenient, all the defects can not meet the requirements of people's fitness groups on football feel, and in addition, the conventional football needs to be inflated, the use is inconvenient, and a football without inflation is to be developed. Disclosure of Invention In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a manufacturing process of an inflation-free football, which is simple in manufacturing process, convenient to manufacture, capable of being recycled after being scrapped in use, environment-friendly and pollution-free, and has the characteristics of sufficient elasticity, equivalent elasticity to that of a normal football, convenience in use, no inflation, light texture, mild and good touch feeling on the surface of the football, difficulty in injuring users, low cost and convenience in manufacturing. The invention aims at realizing the following technical scheme that the manufacturing process of the inflation-free football comprises the following steps of: s1, weighing main material colloidal particles and auxiliary materials, adding the auxiliary materials into the main material colloidal particles, uniformly mixing, and then placing the mixture into a stirrer for heating to 120-130 ℃, stirring and mixing for 10-20min to obtain a mixture for later use; S2, transferring the mixture to an open mill to carry out open mill for 4-8min at 75-85 ℃, and discharging to obtain a tablet for later use; S3, cutting the material sheet into particles with the particle size by a granulator for standby; S4, weighing 210g of particles, adding the particles into a mold of a foaming machine, heating to 180-220 ℃ for solid foaming for 40-60min to obtain blank balls for later use; s5, polishing the surface of the blank ball to be smooth for later use; S6, placing the polished blank ball on a forming machine, heating to 190-210 ℃ and foaming for 50-60min for secondary foaming and forming for later use; s7, cleaning and finishing the surface of the football formed by secondary foaming to obtain a semi-finished football for standby; s8, carrying out vacuum transfer printing, colored drawing patterns and logo on the surface of the semi-finished football to obtain the finished football. The inflation-free football has the characteristics of simple manufacturing process, convenient manufacture, enough elasticity when the finished product is used, the elasticity is equivalent to that of a normal football, convenient use, no inflation, light texture, mild and good touch feeling on the surface of the football, no hurt to a user, low cost and convenient manufacture, provides a new choice for the needs of groups of all levels in society on the football, can be recycled after the inflation-free football is scrapped, and is environment-friendly and pollution-free. Meanwhile, the complicated operation that cold water is required to be poured into the injection molding spherical body during shaping of a finished product in the past and then the injection molding spherical cover and the injection molding spherical body are bonded by adopting glue after cooling is overcome. Preferably, in the step S1, the weight ratio of the main material colloidal particles to the auxiliary material is 5-10:0.4-5. Preferably, the main material colloidal particles are at least one of EVA colloidal particles, TPE colloidal particles and POE colloidal particles. Preferably, the auxiliary materials comprise, by weight, 1-10% of calcium carbonate, 1-10% of an AC foaming agent, 0.2-5.0% of an odorless bridge agent, 0.3-5.0% of zinc oxide powder, 0.3-5.0% of stearic acid, 0-6.0% of a pigment and 1-10% of an ammonia removing agent. More preferably, the auxiliary materials comprise, by weight, 1-10% of calcium carbonate, 1-10% of an AC foaming agent, 0.2-5.0% of an odorless bridge agent, 0.3-5.0% of zinc oxide powder, 0.3-5.0% of stearic acid, 0.2-6.0% of a pigment and 1-10% of an ammonia removing agent, wherein the odorless bridge agent BIBP. The football prepared from the raw materials through foaming molding adopted in the preparation of the inflation-free football has enough elasticity, and the el