CN115006806A - Process for invisible sewing of ball epidermis by utilizing closed cell structure foam - Google Patents
Process for invisible sewing of ball epidermis by utilizing closed cell structure foam Download PDFInfo
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- CN115006806A CN115006806A CN202210694728.3A CN202210694728A CN115006806A CN 115006806 A CN115006806 A CN 115006806A CN 202210694728 A CN202210694728 A CN 202210694728A CN 115006806 A CN115006806 A CN 115006806A
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- leather
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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
- A63B45/00—Apparatus or methods for manufacturing balls
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B41/00—Hollow inflatable balls
- A63B41/08—Ball covers; Closures therefor
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention relates to the technical field of football processing, in particular to a process for invisibly sewing ball epidermis by utilizing closed cell structure foam, which comprises the steps of cutting a leather coil stock, folding the cut leather coil stock to obtain combined leather sheets with different shapes, gluing the back surfaces of the combined leather sheets, attaching the combined leather sheets to foam, drying to obtain combined ball sheets, sewing the combined ball sheets to form a shell, gluing and drying the shell and a ball bladder, putting the dried ball bladder into the dried shell, sealing and heating for shaping; through the method, the combined spherical sheets are used for assembly, so that the possibility of gaps is reduced, a plurality of combined spherical sheets form a closed cell structure, and the stability is improved.
Description
Technical Field
The invention relates to the technical field of football processing, in particular to a process for invisibly suturing ball epidermis by utilizing foam with a closed cell structure.
Background
The traditional hand-made ball manufacturing hand cuts leather into ball pieces, after printing, sews the ball pieces to form a shell, and then puts the bladder into the shell, and the hand-made sewing cost is high.
When the ball piece is used for manufacturing a ball for competition, the bent parts of the ball piece are mutually folded towards the inner side and then sewn, so that machine sewing can be used in the production process of the ball.
However, since the ball piece of the conventional game ball needs to be bent, the bent portion is easily deformed in the subsequent use.
Disclosure of Invention
The invention aims to provide a process for invisibly sewing ball epidermis by utilizing closed cell structure foam, which solves the technical problem that a bent part is easy to deform in subsequent use due to the fact that a ball piece of a ball for competition is required to be bent.
In order to achieve the purpose, the invention provides a process for invisibly suturing ball epidermis by using closed cell structure foam, which comprises the following steps:
cutting the leather coil stock, and then folding the cut leather coil stock to obtain combined leather sheets with different shapes;
gluing the back of the combined leather sheet, attaching the glued back to foam, and drying to obtain a combined ball sheet;
sewing the combined ball piece to form a shell;
gluing and drying the shell and the bladder;
and putting the dried bladder into the dried shell, sealing the opening, and heating and shaping.
The method comprises the following steps of cutting a leather coil stock, folding the cut leather coil stock, and obtaining combined leather sheets with different shapes, wherein the steps of cutting the leather coil stock, folding the edge of the cut leather coil stock and obtaining the combined leather sheets with different shapes comprise:
flatly paving the leather coil material above the cutting table, rotating the threaded column, and pressing the leather coil material through the pressing block;
driving a cutter to move downwards by using a hydraulic press to cut the leather coil stock, and separating the leather coil stock;
and moving the separated leather coil stock to the lower part of a molding press, and performing edge folding through the extrusion of an upper die and a lower die to obtain the combined leather sheet.
4. Wherein, utilizing the hydraulic press to drive the cutter and remove downwards, cutting the leather coil stock, in the step that the leather coil stock takes place to separate:
and printing the separated leather coil stock by using a UV flat printer.
Wherein, right the back of combination leather sheet is rubberized to laminate with the bubble cotton, obtain the step of combination ball piece after the stoving and include:
gluing the back and the folded edge of the combined leather sheet by using a gluing machine;
placing foam with the thickness of 0.48-0.52 mm on the back of the combined leather sheet, attaching the side wall of the foam to the folded edge, and placing the combined leather sheet attached to the foam in a transmission disc;
and conveying the conveying disc into a drying channel by using a conveying belt, and drying to obtain the combined spherical sheet.
Wherein, in utilizing the transmission band will the transmission dish transmits to the drying tunnel, after drying, in the step of obtaining combination ball piece:
the drying temperature of the drying tunnel is set to be 50-55 ℃.
Wherein, in the step of sewing the combined ball piece to form the shell:
and sewing through adjacent folded edges according to a drawing, and turning the shell outwards after sewing is finished, so that the layer with foam is positioned on the outer side.
Wherein, in the step of gluing and drying the shell and the bladder:
and (3) placing the shell and the bladder into a glue groove for soaking, taking out after soaking, and drying.
Wherein, in putting the bladder after drying into the shell after drying, seal in the postheat design's step:
the temperature for heating and shaping is 80-90 ℃.
The invention relates to a process for invisibly sewing ball skins by utilizing closed cell structure foam, which comprises the steps of cutting a leather coil, folding the cut leather coil to obtain combined leather sheets with different shapes, gluing the back surfaces of the combined leather sheets, attaching the combined leather sheets to foam, drying to obtain combined ball sheets, sewing the combined ball sheets to form a shell, gluing and drying the shell and a ball bladder, putting the dried ball bladder into the dried shell, sealing the shell, and heating and shaping; through the method, the combined spherical sheets are used for assembly, the possibility of gaps is reduced, a plurality of combined spherical sheets form a closed cell structure, and the stability is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic plan view of a composite skin sheet provided by the present invention.
Figure 2 is a cross-sectional view of a single skin patch provided by the present invention.
Fig. 3 is a flowchart of the steps of the first embodiment of the present invention.
Fig. 4 is a flowchart of the steps of a second embodiment of the present invention.
Fig. 5 is a flowchart of the steps of a third embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, and the embodiments described below with reference to the accompanying drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention.
The first embodiment:
referring to fig. 1-3, the present invention provides a process for invisibly suturing ball epidermis with closed cell structure foam, comprising the following steps:
s1: cutting the leather coil stock, and then folding the cut leather coil stock to obtain combined leather sheets with different shapes;
s2: gluing the back of the combined leather sheet, attaching the back of the combined leather sheet to foam with the thickness of 0.48mm, and drying to obtain a combined ball sheet;
s3: sewing the combined ball piece to form a shell;
s4: gluing and drying the shell and the bladder;
s5: and (3) putting the dried bladder into the dried shell, sealing the opening, and heating and shaping at the temperature of 80 ℃.
In step S1, the leather coil stock is flatly paved above the cutting table, the threaded columns are rotated, the leather coil stock is tightly pressed through the pressing blocks, the hydraulic press is used for driving the cutter to move downwards, the leather coil stock is cut, the leather coil stock is separated, the separated leather coil stock is printed through the UV flat printer, the printed leather coil stock is moved to the position below the molding press, and edge folding is carried out through extrusion of the upper die and the lower die to obtain the combined leather sheet.
In step S2, gluing the back and the folded edge of the combined leather sheet by using a gluing machine, placing foam with a thickness of 0.48mm on the back of the combined leather sheet, attaching the side wall of the foam to the folded edge, placing the combined leather sheet attached to the foam in a transmission disc, transmitting the transmission disc into a drying tunnel by using a transmission belt, setting the drying temperature of the drying tunnel to 50 ℃, and drying to obtain the combined spherical sheet.
In step S3, the shell is turned outward after sewing by the adjacent hems according to the drawing, so that the layer with foam is located outside.
In step S4, the casing and the bladder are placed in a glue tank for soaking, and then taken out and dried.
In step S5, the dried bladder is placed in the dried casing, and the casing is sealed and then heated to be set at 80 ℃, and the combined ball pieces are assembled by the above method, so as to reduce the possibility of gaps, and form a closed cell structure, thereby improving the stability.
Second embodiment:
based on the first embodiment, referring to fig. 4, the present invention provides a process for invisible suturing ball epidermis with closed cell structure foam, comprising the following steps:
s1: cutting the leather coil stock, and then folding the cut leather coil stock to obtain combined leather sheets with different shapes;
s2: gluing the back of the combined leather sheet, attaching the back of the combined leather sheet to foam with the thickness of 0.5mm, and drying to obtain a combined ball sheet;
s3: sewing the combined ball piece to form a shell;
s4: gluing and drying the shell and the bladder;
s5: and (3) putting the dried bladder into the dried shell, sealing the opening, and heating and shaping at the temperature of 85 ℃.
In step S1, the leather coil stock is flatly paved above the cutting table, the threaded columns are rotated, the leather coil stock is tightly pressed through the pressing blocks, the hydraulic press is used for driving the cutter to move downwards, the leather coil stock is cut, the leather coil stock is separated, the separated leather coil stock is printed through the UV flat printer, the printed leather coil stock is moved to the position below the molding press, and edge folding is carried out through extrusion of the upper die and the lower die to obtain the combined leather sheet.
In step S2, gluing the back and the folded edge of the combined leather sheet by using a gluing machine, placing foam with a thickness of 0.5mm on the back of the combined leather sheet, attaching the side wall of the foam to the folded edge, placing the combined leather sheet attached to the foam in a transmission disc, transmitting the transmission disc into a drying tunnel by using a transmission belt, setting the drying temperature of the drying tunnel to 52 ℃, and drying to obtain the combined spherical sheet.
In step S3, the shell is turned outward after sewing by the adjacent hems according to the drawing, so that the layer with foam is located outside.
In step S4, the casing and the bladder are placed in a glue tank for soaking, and then taken out and dried.
In step S5, the dried bladder is placed in the dried casing, and the casing is sealed and then heated to a temperature of 85 ℃, and the combined ball pieces are assembled by the above method, so as to reduce the possibility of gaps, and form a closed cell structure, thereby improving the stability.
The third embodiment:
based on the second embodiment, referring to fig. 5, the present invention provides a process for invisible suturing ball epidermis with closed cell structure foam, comprising the following steps:
s1: cutting the leather coil stock, and then folding the cut leather coil stock to obtain combined leather sheets with different shapes;
s2: gluing the back of the combined leather sheet, attaching the back of the combined leather sheet to foam with the thickness of 0.52mm, and drying to obtain a combined ball sheet;
s3: sewing the combined ball piece to form a shell;
s4: gluing and drying the shell and the bladder;
s5: and (3) putting the dried bladder into the dried shell, sealing the opening, and heating and shaping at the temperature of 90 ℃.
In step S1, the leather coil stock is flatly paved above the cutting table, the threaded columns are rotated, the leather coil stock is tightly pressed through the pressing blocks, the hydraulic press is used for driving the cutter to move downwards, the leather coil stock is cut, the leather coil stock is separated, the separated leather coil stock is printed through the UV flat printer, the printed leather coil stock is moved to the position below the molding press, and edge folding is carried out through extrusion of the upper die and the lower die to obtain the combined leather sheet.
In step S2, gluing the back surface and the folded edge of the combined leather sheet by using a gluing machine, placing foam with a thickness of 0.5mm on the back surface of the combined leather sheet, attaching the side wall of the foam to the folded edge, placing the combined leather sheet attached to the foam in a transmission disc, transmitting the transmission disc into a drying tunnel by using a transmission belt, setting the drying temperature of the drying tunnel to 55 ℃, and drying to obtain the combined spherical sheet.
In step S3, the shell is turned outward after sewing by the adjacent hems according to the drawing, so that the layer with foam is located outside.
In step S4, the casing and the bladder are placed in a glue tank for soaking, and then taken out and dried.
In step S5, the dried bladder is placed in the dried casing, and is sealed and then heated to a temperature of 90 ℃ for setting, and the combined ball pieces are assembled by the above method, so that the possibility of occurrence of gaps is reduced, and a plurality of combined ball pieces form a closed cell structure, thereby improving stability.
While the above disclosure describes one or more preferred embodiments of the present invention, it is not intended to limit the scope of the claims to such embodiments, and one skilled in the art will understand that all or a portion of the processes performed in the above embodiments may be practiced without departing from the spirit and scope of the claims.
Claims (8)
1. A process for stealthy sewing ball epidermis by foam with closed cell structures is characterized by comprising the following steps:
cutting the leather coil stock, and then folding the cut leather coil stock to obtain combined leather sheets with different shapes;
gluing the back of the combined leather sheet, attaching the glued back to foam, and drying to obtain a combined ball sheet;
sewing the combined ball piece to form a shell;
gluing and drying the shell and the bladder;
and putting the dried bladder into the dried shell, sealing the opening, and heating and shaping.
2. The process for stealthy sewing ball epidermis by closed cell structure foam as claimed in claim 1, wherein the step of cutting the leather coil and then folding the cut leather coil to obtain the combined leather sheets with different shapes comprises:
flatly paving the leather coil material above the cutting table, rotating the threaded column, and pressing the leather coil material through the pressing block;
driving a cutter to move downwards by using a hydraulic press to cut the leather coil stock, and separating the leather coil stock;
and moving the separated leather coil stock to the lower part of a molding press, and performing edge folding through the extrusion of an upper die and a lower die to obtain the combined leather sheet.
3. The process for stealthily sewing ball skins using closed cell structure foam as claimed in claim 2, wherein in the step of cutting the leather coil by moving the cutter downward using the hydraulic press, the leather coil is separated:
and printing the separated leather coil stock by using a UV flat printer.
4. The process for stealthy stitching ball epidermis by using closed cell structure foam cotton according to claim 3, wherein the step of gluing the back surface of the combined flap, attaching the glued back surface to the foam cotton, and drying to obtain the combined flap comprises the following steps:
gluing the back and the folded edge of the combined leather sheet by using a gluing machine;
placing foam with the thickness of 0.48-0.52 mm on the back of the combined leather sheet, attaching the side wall of the foam to the folded edge, and placing the combined leather sheet attached to the foam in a transmission disc;
and (4) conveying the conveying disc into a drying tunnel by using a conveying belt, and drying to obtain the combined spherical sheet.
5. The process for stealthy stitching ball skins by using closed cell structure foam cotton according to claim 4, wherein in the step of conveying the conveying disc into a drying tunnel by using a conveying belt, and drying to obtain the combined ball sheet:
the drying temperature of the drying tunnel is set to be 50-55 ℃.
6. The process for invisibly sewing ball epidermis with closed cell structure foam according to claim 5, wherein in the step of sewing the combined ball piece to form the shell:
and (4) sewing through adjacent folded edges according to a drawing, and turning the shell outwards after sewing is finished, so that the layer with foam is positioned on the outer side.
7. The process for invisibly suturing the epidermis of the ball class by the foam with the closed cell structure as claimed in claim 6, wherein in the step of sizing and drying the outer shell and the bladder:
and (3) placing the shell and the bladder into a glue groove for soaking, taking out after soaking, and drying.
8. The process of claim 7, wherein the step of placing the dried bladder into the dried casing, sealing the casing, and heat setting comprises:
the temperature for heating and shaping is 80-90 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210694728.3A CN115006806A (en) | 2022-06-20 | 2022-06-20 | Process for invisible sewing of ball epidermis by utilizing closed cell structure foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210694728.3A CN115006806A (en) | 2022-06-20 | 2022-06-20 | Process for invisible sewing of ball epidermis by utilizing closed cell structure foam |
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| Publication Number | Publication Date |
|---|---|
| CN115006806A true CN115006806A (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210694728.3A Pending CN115006806A (en) | 2022-06-20 | 2022-06-20 | Process for invisible sewing of ball epidermis by utilizing closed cell structure foam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116351026A (en) * | 2023-04-11 | 2023-06-30 | 南京鼎辉体育科技发展有限公司 | Machining process for machine joint ball |
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| CN2628100Y (en) * | 2003-05-24 | 2004-07-28 | 胡两发 | Improved forming structure of foaming ball |
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| CN201216842Y (en) * | 2008-06-28 | 2009-04-08 | 川越运动工业(肇庆)有限公司 | Adhesive sport ball |
| CN101450248A (en) * | 2007-12-05 | 2009-06-10 | 郑榕彬 | Sports ball inner-bag, ball and production method thereof |
| EP3050599A1 (en) * | 2015-01-28 | 2016-08-03 | Hideomi Shishido | Ball for ball game and method for manufacturing ball for ball game |
| US20170072270A1 (en) * | 2015-09-11 | 2017-03-16 | Hideomi Shishido | Ball for ball games, and method for manufacturing ball for ball games |
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| CN109195672A (en) * | 2016-07-12 | 2019-01-11 | 株式会社宝登 | ball |
| CN109395991A (en) * | 2018-10-22 | 2019-03-01 | 江苏谐丰自动化科技有限公司 | A kind of bladders automatic glue-spraying technique |
| CN111617450A (en) * | 2020-05-29 | 2020-09-04 | 南京绎霖国际贸易有限公司 | Ball piece of ball for athletic training and manufacturing method of ball |
| CN112843636A (en) * | 2021-01-08 | 2021-05-28 | 南京森恩体育用品有限公司 | Embedded type leather ball and production method thereof |
-
2022
- 2022-06-20 CN CN202210694728.3A patent/CN115006806A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5772545A (en) * | 1996-12-20 | 1998-06-30 | Ou; Tsung Ming | Sportsball and manufacturing method thereof |
| CN1741834A (en) * | 2002-12-20 | 2006-03-01 | 株式会社宝登 | Ball for ball game and method for manufacturing the same |
| CN2628100Y (en) * | 2003-05-24 | 2004-07-28 | 胡两发 | Improved forming structure of foaming ball |
| CN101450248A (en) * | 2007-12-05 | 2009-06-10 | 郑榕彬 | Sports ball inner-bag, ball and production method thereof |
| CN201216842Y (en) * | 2008-06-28 | 2009-04-08 | 川越运动工业(肇庆)有限公司 | Adhesive sport ball |
| EP3050599A1 (en) * | 2015-01-28 | 2016-08-03 | Hideomi Shishido | Ball for ball game and method for manufacturing ball for ball game |
| US20170072270A1 (en) * | 2015-09-11 | 2017-03-16 | Hideomi Shishido | Ball for ball games, and method for manufacturing ball for ball games |
| CN109195672A (en) * | 2016-07-12 | 2019-01-11 | 株式会社宝登 | ball |
| CN109011429A (en) * | 2018-08-07 | 2018-12-18 | 南京绎霖国际贸易有限公司 | A kind of football production technology |
| CN109395991A (en) * | 2018-10-22 | 2019-03-01 | 江苏谐丰自动化科技有限公司 | A kind of bladders automatic glue-spraying technique |
| CN111617450A (en) * | 2020-05-29 | 2020-09-04 | 南京绎霖国际贸易有限公司 | Ball piece of ball for athletic training and manufacturing method of ball |
| CN112843636A (en) * | 2021-01-08 | 2021-05-28 | 南京森恩体育用品有限公司 | Embedded type leather ball and production method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116351026A (en) * | 2023-04-11 | 2023-06-30 | 南京鼎辉体育科技发展有限公司 | Machining process for machine joint ball |
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