CN209500689U

CN209500689U - Sport ball

Info

Publication number: CN209500689U
Application number: CN201821952205.XU
Authority: CN
Inventors: 姚月良
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2019-10-18
Anticipated expiration: 2028-11-26

Abstract

The utility model discloses a kind of sport balls, including rubber liner, yarn layer, cementing layer and four layers of leather layer are twined, yarn layer is twined and is arranged in rubber liner surface, include cementing layer outside yarn layer twining, the raw material of cementing layer is raw stock, and cementing layer and external leather layer are through vulcanizate integrator.Sport ball is divided into four-layer structure by the utility model, and arrangement twines yarn layer on rubber liner, and cementing layer is included outside yarn layer twining, and cementing layer and external leather layer vulcanize gluing, and leather layer is made of several skin grafts for constituting movement ball surface.It combines together after low temperature short vulcanization processing between cementing layer and skin graft, both any glue class binder is not used, the raising production and the use upper feature of environmental protection and fastness of amplitude peak, it is connected again without using any sewing line, product manufacturing is automatically performed by mold, it effectively saves labour turnover, improves working efficiency.

Description

Sport ball

Technical field

The utility model relates to ball sports articles field, especially a kind of sport ball.

Background technique

The sport ball of the rubber material such as football and vollyball is common sport ball, is generally made in ball sport With.The surface of football is usually spliced by 32 skin grafts, including 12 regular pentagon skin grafts and 20 regular hexagon skin grafts.Root According to the difference of manufacture craft, football can be divided into rubber football, sewing football and manual sticker football.Rubber football is led to by rubber Rolled-to-death rubber is in blocks, and patch in a mold, is made, spherome surface is one by high temperature, the direct heat cure processing molding of high pressure by hand Whole, the lines on surface is to suppress.This technology is due to being the direct heat cure shaping of rubber, and texture is hard, roundness It is poor, and rubber smell is larger, and comforts of use are not high.Sewing football includes rubber liner, twines yarn layer and epidermis leather Three layers, leather is cut into the piece number of needs by slicer, by machine or by hand using sewing line sewing connection, then will twine yarn Rubber liner afterwards is put into the epidermis leather sewed, is sealed, is completed the production by hand.This technology is connected by sewing line The firmness of each skin graft, product is not high, is easy to happen breakage and bursts at the seams, and does not have the effects of waterproof, sand control, sewn by hand When producing efficiency it is low, higher cost.Manual sticker football includes rubber liner, non-woven fabrics and three layers of surface leather, and leather passes through Slicer is cut into the piece number of needs, and brush coating water pastes non-woven fabrics on rubber liner, then by the skin graft back side brush coating of well cutting Water is pasted on non-woven fabrics, is completed the production.This technology is pasted using glue, in every skin graft glue of football surface bonding Conjunction area is small, and firmness is poor, is easy to happen cracking and falls off, and not can be carried out operation of cooling down, and make without waterproof, sand control etc. With.Therefore, the prior art there are between skin graft or between skin graft and internal layer independently of one another, be connected with each other the disadvantages of not secured enough.

Utility model content

The applicant between skin graft existing for above-mentioned existing sport ball or between skin graft and internal layer independently of one another, mutually It is not connected firmly, is easy cracking and damaged, complex manufacturing technology, the disadvantages such as production efficiency is low provide a kind of structurally reasonable Sport ball can be realized the integrated molding of internal layer raw rubber and leather layer by vulcanization gelatinization joint, improve the secured of sphere epidermis leather Reliability simplifies manufacture craft, improves production efficiency.

Technical solution used by the utility model is as follows:

A kind of sport ball, including rubber liner, yarn layer, cementing layer and four layers of leather layer are twined, it twines yarn layer and is arranged in rubber Gallbladder surface includes cementing layer twining outside yarn layer, the raw material of cementing layer is raw stock, and cementing layer is with external leather layer through vulcanizing It is glued integral.

As a further improvement of the above technical scheme:

Leather layer is made of several skin grafts for constituting movement ball surface.

Leather layer is spliced by 32 skin grafts, including 12 regular pentagon skin grafts and 20 regular hexagon skin grafts.

It twines yarn layer and twines yarn sizing in the progress coiling of rubber liner surface.

Rubber liner is spheroidal or oval spherical shape.

The sport ball is football, vollyball or rugby.

The beneficial effects of the utility model are as follows:

Sport ball is divided into four-layer structure by the utility model, and arrangement twines yarn layer on rubber liner, is wrapped outside yarn layer twining Cementing layer is closed, cementing layer and external leather layer vulcanize gluing, and leather layer is made of several skin grafts for constituting movement ball surface.Glue It closes and combines together after low temperature short vulcanization processing between layer and skin graft, both do not use any glue class binder, most substantially The raising production and the use upper feature of environmental protection and fastness of degree, and connected without using any sewing line, it is automatic by mold Product manufacturing is completed, is effectively saved labour turnover, working efficiency is improved.The cementing layer of the utility model combines together with skin graft, Structure is stronger reliable, and manufacture craft is more simple and efficient, improves production efficiency, while effectively solving sport ball and being easy to happen The problems such as cracking and breakage, prolong the service life, and comfort is more preferable.The utility model is carried out leading by lotus flower mold Roughing, convenient for patch operate, and adsorb the relatively artificial patch of patch and suture connection it is more accurate, effectively solve movement Ball surface docking not just, the problems such as line code is uneven, burst at the seams, fold, vulcanization finishing is carried out by sulfurizing mould, improves movement The quality and quality of ball finished product.The four-layer structure of the utility model forms a close-connected entirety, waterproof in use, anti- Sand is unlikely to deform by long-term use, and the service life is longer.

Detailed description of the invention

Fig. 1 is the schematic diagram of the utility model sport ball.

Fig. 2 is the structure chart of the utility model sport ball.

Fig. 3 is the schematic diagram of lotus flower mold, only shows lower mold in figure.

Fig. 4 is the schematic diagram of sulfurizing mould, only shows lower mold in figure.

In figure: 1, rubber liner；2, yarn layer is twined；3, cementing layer；4, leather layer；5, skin graft；6, lotus flower mold；7, vulcanizing mold Tool；8, unit piece；9, gaseous core pipe；10, raised line.

Specific embodiment

With reference to the accompanying drawing, illustrate specific embodiment of the present utility model.The present embodiment is illustrated by taking football as an example The technical solution of the utility model.

As depicted in figs. 1 and 2, sport ball described in the utility model includes rubber liner 1, twines yarn layer 2,3 and of cementing layer 4 four layers of leather layer.Rubber liner 1 is spherical shape, has a normally closed blow vent, twines yarn layer 2 and be distributed in 1 surface of rubber liner, Cementing layer 3 is included outside yarn layer 2 twining, cementing layer 3 and external leather layer 4 vulcanize gluing, and leather layer 4 is by constituting football surface Several skin grafts 5 form.Rubber liner 1 is the inner most structure of sphere, is made of natural rubber by the vulcanizing treatment of mold, External structure formation sphere is propped up for storing gas, natural rubber can guarantee the elasticity and air-tightness of football.Using twining yarn machine Coiling is carried out on 1 surface of rubber liner and twines yarn sizing, and formation twines yarn layer 2.Yarn machine is twined using fixed wire length and grams to guarantee The roundness and fastness of football is made, the inflation of rubber liner 1 deformation occurs after avoiding football from inflating and is squeezed and deformed, extends foot The service life of ball.The raw material of cementing layer 3 is raw stock, and raw stock adds synthesis material to be process by refining glue by raw rubber. The rubber liner 1 for having twined yarn sizing and raw stock inclusion are integrated by automatic tape-wrapping machine, form cementing layer 3.Leather layer 4 is adopted Manually leather, leather base fabric use high resiliency high-density non-woven fabrics, and slicer requires leather according to mold to be cut into needs Skin graft 5, each skin graft 5 composes an entirety by short vulcanization processing and cementing layer 3 in a mold.

The production method of sport ball described in the utility model includes: firstly, passing through the vulcanizing treatment of mold by natural rubber Rubber liner 1 is made, twines yarn sizing in the progress coiling of 1 surface of rubber liner using yarn machine is twined, formation twines yarn layer 2.By automatic The rubber liner 1 for having twined yarn sizing and raw stock inclusion are integrated by rubber coating machine, form cementing layer 3.Selecting leather base fabric is height Artificial leather is cut into the skin graft 5 of needs by slicer by the artificial leather of Stretchable high-density non-woven fabrics according to mold requirement. The skin graft 5 of well cutting is put into order in the upper/lower die of lotus flower mold 6, is taken out by the vacuum evacuation device in lotus flower mold 6 Vacuum is adsorbed on skin graft 5 securely in lotus flower mold 6, and the bladders with cementing layer 3 is put into mold, carries out molding processing, It is filled with high pressure gas in rubber liner 1 and is heated to 50 ~ 60 degrees Celsius, preferably 55 degrees Celsius, heating time is 40 ~ 60 Second, preferably 50 seconds.Then it is opened, forms substantially spherical.Substantially spherical is put into sulfurizing mould 7, high pressure is filled with after molding Gas is simultaneously heated to 90 ~ 100 degrees Celsius, preferably 98 degrees Celsius, and heating time is 10 ~ 20 minutes, preferably 15 minutes.Raw rubber Piece is impregnated with leather base fabric in heating sulfidation, is integrated by low temperature short vulcanization and 5 gluing of skin graft.Die sinking, football system It completes.As shown in figure 3, the inner wall of the upper mold of lotus flower mold 6 and lower mold is spliced by several module unit pieces 8, on The inner cavity of a football-shaped, the shape and position distribution and football table of unit piece 8 are surrounded after mold and lower mold clamping jointly The skin graft 5 in face is corresponding.As shown in figure 4, the structure of sulfurizing mould 7 and lotus flower mold 6 are consistent, the difference is that its upper mold It is an entirety with lower mould inner wall, there is the raised line 10 for forming 5 impression of skin graft in the boundary of unit piece 8.In lotus flower mould One unit piece 8 of the lower mold of tool 6 is equipped with gaseous core pipe 9, is equipped on a unit piece 8 of the lower mold of sulfurizing mould 7 One corresponding gaseous core pipe 9, gaseous core pipe 9 are filled with high pressure gas for being inserted into rubber liner 1 when processing.

The utility model is illustrated by taking football as an example, but implement when be not limited to football, apply also for production vollyball, There is no limit as long as meet through mold cure production for the shapes and sizes of rugby etc., i.e. the utility model to sport ball Rubber is ball, can be made by technical solution described in the utility model.Above description is to the utility model It explains, is not the restriction to utility model, without prejudice to the spirit of the present invention, the utility model can be made any The modification of form.

Claims

1. a kind of sport ball, it is characterised in that: including rubber liner, twine yarn layer, cementing layer and four layers of leather layer, twine yarn layer arrangement On rubber liner surface, cementing layer is included outside yarn layer twining, the raw material of cementing layer is raw stock, cementing layer and external leather Layer is through vulcanizate integrator.

2. sport ball according to claim 1, it is characterised in that: leather layer moves several skin graft groups of ball surface by constituting At.

3. sport ball according to claim 1, it is characterised in that: leather layer is spliced by 32 skin grafts, including 12 Regular pentagon skin graft and 20 regular hexagon skin grafts.

4. sport ball according to claim 1, it is characterised in that: twine yarn layer and on rubber liner surface carry out coiling to twine yarn fixed Type.

5. sport ball according to claim 1, it is characterised in that: rubber liner is spheroidal or oval spherical shape.

6. sport ball according to claim 1, it is characterised in that: the sport ball is football, vollyball or rugby.