CN110421882B - Preparation process of integrally formed shoes - Google Patents
Preparation process of integrally formed shoes Download PDFInfo
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- CN110421882B CN110421882B CN201910670820.4A CN201910670820A CN110421882B CN 110421882 B CN110421882 B CN 110421882B CN 201910670820 A CN201910670820 A CN 201910670820A CN 110421882 B CN110421882 B CN 110421882B
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- die
- shoe
- sole
- fabric
- fixing ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/0054—Producing footwear by compression moulding, vulcanising or the like; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/0054—Producing footwear by compression moulding, vulcanising or the like; Apparatus therefor
- B29D35/0063—Moulds
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention relates to the field of shoe preparation, in particular to a preparation process of an integrally formed shoe, which mainly solves the problem of poor connection firmness of an upper and a sole in the prior art and comprises the following steps: injection molding to obtain a sole mold blank; preparing an upper; sleeving the upper in the matched shoe tree; preparing a secondary forming die, wherein the secondary forming die comprises an upper die, a middle die, a lower die and a fixing ring, a sole die blank is placed in the lower die, a shoe tree is fixedly arranged on the upper die, the fixing ring is sleeved on the outer side of an upper, a fabric is attached to the outer ring surface of the fixing ring, and finally the upper die is pushed to move downwards to be embedded into the through hole; vulcanizing and heating the secondary forming die through a secondary forming machine to foam and form the sole die blank; the upper part of the fabric and the connecting sheet are welded into an integrally formed shoe through ultrasonic welding.
Description
Technical Field
The invention relates to the field of shoe preparation, in particular to a preparation process of integrally formed shoes.
Background
The existing sports shoes generally comprise uppers and soles, the uppers are generally prepared by sewing cut fabric sheets and then performing subsequent treatment, the preparation process is long in flow and auxiliary, the more complicated the vamp patterns are, the more complicated the processing is, the cost is increased, the hardness of the tailored and sewn uppers is higher, the uppers cannot be completely attached to feet, and the feet are easily extruded and rubbed to cause discomfort, so that more and more shoemaking manufacturers integrally form the uppers by the fly-weaving technology at present, for example, the integrally-formed 3D fly-woven vamp disclosed by 2016, 27 and 201610054151.4 and the preparation method thereof are disclosed in detail, and the technology for integrally forming the uppers by the fly-weaving technology is disclosed, so that the prepared uppers and feet are good in attachment. The composite connection process of the upper and the sole comprises the following steps: whether the traditional cut and sewn upper or the fly-woven upper is compounded with the sole, one method is to bond the upper and the sole through a glue adhesive, the glue adhesive is coated on the bonding position, the upper and the sole are aligned through an alignment structure and are bonded by applying pressure through a machine, so that the lack of unevenness such as insufficient tightness, folds, gaps and the like between the upper and the sole is easily caused, the degumming phenomenon is easy to occur after the shoe is used for a period of time, or the degumming phenomenon is damaged when the shoe is soaked in water in a rainy day; the other is to connect the sole and the upper by means of stitching, and the stitching used for connecting the upper and the sole of the shoe is inevitable or exposed, which affects the appearance of the shoe, and after long-term use, the stitching is easy to wear and even fall off, or the stitching is damaged and broken after being soaked in water in rainy days.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides a preparation process of an integrally formed shoe, which mainly solves the problem of poor connection firmness of an upper and a sole in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation process of an integrally formed shoe comprises the following steps:
1) selecting a corresponding mold according to the style of the sole and preparing a sole mold blank in an injection molding mode;
2) preparing an upper, and sewing a connecting sheet with a smooth surface on the outer surface of the upper around the lower periphery of the upper;
3) sleeving the shoe upper prepared in the step 2 in the matched shoe tree, and opening the shoe upper in a shoe shape;
4) preparing a secondary forming die, wherein the secondary forming die comprises an upper die, a middle die, a lower die and a fixing ring, the upper die, the middle die and the lower die form a die cavity, the upper part of the middle die is communicated with the die cavity and is provided with a through hole, a sole die blank prepared in the step 1 is placed into the lower die, the lower die is pushed to move upwards to be matched with the middle die, a shoe tree is fixedly arranged on the upper die, the fixing ring is sleeved on the outer side of an upper, a waterproof fabric with transverse ductility is attached to the outer ring surface of the fixing ring, the upper die is pushed to move downwards to be embedded into the through hole, the lower end edge of the upper and the lower end edge of the fabric extend into the die cavity, and meanwhile, the middle die, the fixing;
5) vulcanizing and heating the secondary forming die through a secondary forming machine to foam and form the sole die blank, wherein in the foaming and forming process, materials are attached to the lower part of the upper and the lower part of the fabric to be fixedly connected after forming;
6) and (5) after demoulding the product in the step (5), welding the upper part of the fabric and the connecting sheet by ultrasonic welding to form the integrally formed shoe.
Further, the secondary forming machine heats the secondary forming die at the temperature of 150-165 ℃ for 8-12 min.
Furthermore, the middle die is provided with an upper end edge which extends upwards at the through hole, when the upper die is embedded into the through hole downwards, the outer ring surface and the end edge of the fixing ring clamp the fabric, and the lower end surface of the fixing ring is higher than the die cavity of the middle die.
Further, fixed ring includes detachable left ring body and right ring body, all be provided with the locating piece on two terminal surfaces that contact with right ring body on the ring body of a left side, be provided with magnet on the locating piece, cooperate with the locating piece on the terminal surface of right ring body and be provided with the constant head tank.
Furthermore, a plurality of salient points are uniformly distributed on the outer ring surface of the fixing ring.
By adopting the technical scheme, the invention has the beneficial effects that: the preparation process of the integrally formed shoes has the advantages that the integrally formed shoes are adhered to the upper and the fabric in the sole foaming forming process and are subjected to ultrasonic welding with the upper through the fabric, double connection effects are formed, the connection firmness of the upper and the sole is improved, compared with the existing lengthy shoemaking process, the processing process flow is simplified, the processing benefit is greatly improved, the gluing or sewing process is cancelled in the connection mode of the sole and the upper, the sole and the upper are replaced by the adhering connection, the shoe is high in integrity and good in following performance, the fitting performance of the shoe and the foot is improved, the shoe can well provide assistance and lateral support performance in high-strength movement, the waterproof performance of the shoe is greatly improved after the lower part of the fabric and the sole are integrally formed, the waterproof performance of the shoe is greatly improved, the upper part and the side face of the shoe are welded, and the water seepage phenomenon at the connection part of the upper and the sole is prevented, compared with the prior art, the shoe has the advantages that the connection stability of the shoe and the upper is protected to the maximum extent, meanwhile, the attractiveness of the shoe is improved by the arranged fabric, the upper and the sole of the prior shoe are connected through viscose or sewing, the hardness of the connection part is higher, and the response flexibility cannot be improved in the movement process; furthermore, the end edge of the middle mold and the fixing ring form a clamping state to clamp the fabric, after the sole is foamed and molded, the sole between the fabric and the upper is foamed and protruded upwards, so that the attachment surfaces of the upper and the fabric are increased, the firmness of the upper and the upper is improved, and the part of the sole which is foamed and protruded upwards is higher than the upper surface of the sole, so that in practical use, the lateral supporting effect on the foot is achieved, meanwhile, the arc-shaped surface between the sole and the side surface of the foot can be wrapped, good wrapping performance is formed, and the wearing comfort level is improved; furthermore, the fixing ring comprises a left ring body and a right ring body which are detachable, the upper can be fastened and clamped from the side surface of the upper, a better demolding procedure is realized, and the production efficiency is further improved; furthermore, a plurality of salient points are uniformly distributed on the outer ring surface of the fixing ring, so that the adhesion between the fabric and the fixing ring is good, the fabric is prevented from shifting in mutual extrusion when being embedded into the middle die through hole, and the qualification rate of products is improved.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of an overmolding mold of the invention;
fig. 2 is a schematic sectional view of the secondary molding die in a clamped state according to the embodiment of the invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
The embodiment of the invention is as follows:
a preparation process of an integrally formed shoe comprises the following steps:
1) selecting a corresponding mold according to the style of the sole and preparing a sole mold blank in an injection molding mode;
2) preparing an upper 100 and sewing a connecting sheet having a smooth surface on an outer surface of the upper 100 around a lower circumference thereof;
3) sleeving the shoe upper 100 prepared in the step 2 in the matched shoe tree 1, and unfolding the shoe upper 100 in a shoe shape;
4) preparing a secondary forming die, referring to fig. 1 and 2, the secondary forming die comprises an upper die 2, a middle die 3, a lower die 4 and a fixing ring 5, the upper die 2, the middle die 3 and the lower die 4 form a die cavity 6, the upper part of the middle die 3 is communicated with the die cavity 6 and is provided with a through hole 7, putting the sole die blank prepared in the step 1 into the lower die 4, pushing the lower die 4 to move upwards to be matched with the middle die 3, fixedly mounting the shoe tree 1 on the upper die 2, sleeving the fixing ring 5 on the outer side of the upper 100, attaching a waterproof fabric 200 with transverse extensibility on the outer ring surface of the fixing ring 5, finally pushing the upper die 2 to move downwards to be embedded into the through hole 7, at the moment, the lower end edge of the upper 100 and the lower end edge of the fabric 200 extend into the die cavity 6, and simultaneously, the middle die 3, the fixing ring 5 and the upper die 2, an upper end edge 8 is arranged on the middle die 3 and extends upwards at the through hole 7, and when the upper die 2 is embedded into the through hole 7 downwards, the outer ring surface and the end edge 8 of the fixing ring 5 clamp the fabric 200, so that the lower end surface of the fixing ring 5 is higher than the die cavity 6 of the middle die 3;
5) vulcanizing and heating a secondary forming die through a secondary forming machine, wherein the temperature of the secondary forming die heated by the secondary forming machine is 155 ℃, and the heating time is 10min, so that a sole die blank is foamed and formed, and materials are attached to the lower part of an upper 100 and the lower part of a fabric 200 in the foaming and forming process, so that the materials are fixedly connected after being formed;
6) and (5) after demoulding the product in the step (5), welding the upper part of the fabric 200 and the connecting sheet by ultrasonic welding to form the integrally formed shoe.
In this embodiment, the fixing ring 5 includes a detachable left ring body 51 and a detachable right ring body 52, positioning blocks 9 are disposed on two end faces of the left ring body 51, which are in contact with the right ring body 52, magnets are disposed on the positioning blocks 9, positioning grooves 10 are disposed on an end face of the right ring body 52, which are in fit with the positioning blocks 9, and a plurality of convex points are uniformly distributed on an outer annular surface of the fixing ring 5.
The working mode of the invention is as follows: the preparation process of the integrally formed shoe has the advantages that the integrally formed shoe is adhered to the upper 100 and the fabric 200 in the foaming forming process of the sole and is ultrasonically welded with the upper 100 through the fabric 200, so that the dual connection effect is formed, the connection firmness of the upper 100 and the sole is improved, compared with the existing lengthy shoe making process, the processing process flow is simplified, the processing benefit is greatly improved, the gluing or sewing process is cancelled in the connection mode of the sole and the upper 100, the sole and the upper 100 are replaced by the adhering connection, so that the integrity of the shoe is strong, the following performance is good, the fitting performance of the shoe and the foot is improved, the shoe can well provide assistance and lateral support performance in high-strength movement, the waterproof performance of the lower part of the fabric 200 is greatly improved after the integrally formed with the sole, the phenomenon of water seepage at the connection part of the upper 100 and the sole is prevented by combining the welding of the upper part and the side surface of the upper 100, compared with the prior art that the upper and the sole of the shoe are connected through viscose or sewing, the hardness of the connection part is higher, and the response flexibility cannot be improved in the movement process, the flexibility of the shoe is enhanced through the foaming of the sole, the preparation of the upper and the connection of the two, and the connection of the fabric 200, and the connection firmness is improved; the end edge 8 arranged on the middle die 3 and the fixing ring 5 form a clamping state to clamp the fabric, after the sole is foamed and molded, the sole between the fabric 200 and the upper 100 is foamed and protrudes upwards, so that the attachment surfaces of the upper 100 and the fabric 200 are increased, the firmness of the upper 100 and the upper 200 is improved, and the part protruding upwards in the sole foaming process is higher than the upper surface of the sole, so that in practical use, the lateral supporting effect on the foot is achieved, meanwhile, the arc-shaped surface between the sole and the side surface of the foot can be wrapped, good wrapping performance is formed, and the wearing comfort level is improved; the fixing ring 5 comprises a detachable left ring body 51 and a detachable right ring body 52, the upper 100 can be mutually fastened and clamped from the side surface of the upper 100, a better demolding procedure is realized, and the production efficiency is further improved; the outer ring surface of the fixing ring 5 is uniformly distributed with a plurality of salient points, so that the adhesion between the fabric 200 and the fixing ring 5 is good, the fabric 200 is prevented from shifting in mutual extrusion when being embedded into the through hole 7 of the middle die 3, and the qualification rate of products is improved.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A preparation process of integrally formed shoes is characterized by comprising the following steps: the method comprises the following steps:
1) selecting a corresponding mold according to the style of the sole and preparing a sole mold blank in an injection molding mode;
2) preparing an upper, and sewing a connecting sheet with a smooth surface on the outer surface of the upper around the lower periphery of the upper;
3) sleeving the shoe upper prepared in the step 2) in a matched shoe tree, and opening the shoe upper in a shoe shape;
4) preparing a secondary forming die, wherein the secondary forming die comprises an upper die, a middle die, a lower die and a fixing ring, the upper die, the middle die and the lower die form a die cavity, a through hole is formed in the upper part of the middle die and communicated with the die cavity, an upper end edge is arranged on the middle die and extends upwards at the through hole, when the upper die is embedded into the through hole downwards, the outer ring surface and the end edge of the fixing ring clamp the fabric, the lower end surface of the fixing ring is higher than the die cavity of the middle die, the fixing ring comprises a detachable left ring body and a detachable right ring body, positioning blocks are arranged on two end surfaces of the left ring body, which are contacted with the right ring body, magnets are arranged on the positioning blocks, positioning grooves are arranged on the end surface of the right ring body and matched with the positioning blocks, a sole die blank prepared in the step, then, the fixing ring is sleeved on the outer side of the upper, a piece of waterproof fabric with transverse ductility is attached to the outer ring surface of the fixing ring, finally the upper die is pushed to move downwards to be embedded into the through hole, the lower end edge of the upper and the lower end edge of the fabric extend into the die cavity, and meanwhile, the middle die, the fixing ring and the upper die respectively clamp the fabric and the upper;
5) vulcanizing and heating the secondary forming die through a secondary forming machine to foam and form the sole die blank, wherein in the foaming and forming process, materials are attached to the lower part of the upper and the lower part of the fabric to be fixedly connected after forming;
6) and (5) after demoulding the product in the step 5), welding the upper part of the fabric and the connecting sheet by ultrasonic welding to form the integrally formed shoe.
2. The process for manufacturing an integrally formed shoe according to claim 1, wherein: the temperature of the secondary forming machine for heating the secondary forming die is 150-165 ℃, and the heating time is 8-12 min.
3. The process for manufacturing an integrally formed shoe according to claim 2, wherein: a plurality of salient points are uniformly distributed on the outer ring surface of the fixing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910670820.4A CN110421882B (en) | 2019-07-24 | 2019-07-24 | Preparation process of integrally formed shoes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910670820.4A CN110421882B (en) | 2019-07-24 | 2019-07-24 | Preparation process of integrally formed shoes |
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| Publication Number | Publication Date |
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| CN110421882A CN110421882A (en) | 2019-11-08 |
| CN110421882B true CN110421882B (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910670820.4A Active CN110421882B (en) | 2019-07-24 | 2019-07-24 | Preparation process of integrally formed shoes |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1485813B2 (en) * | 1965-04-24 | 1973-02-01 | Schmidt, Oskar, Wien | DEVICE FOR THE MANUFACTURE OF SKI BOOTS WITH INTERIOR |
| US4245406A (en) * | 1979-05-03 | 1981-01-20 | Brookfield Athletic Shoe Company, Inc. | Athletic shoe |
| CN1554301A (en) * | 2003-12-22 | 2004-12-15 | 吴金林 | Water-proof shoes or boots and producing method thereof |
| CN102697250A (en) * | 2012-04-19 | 2012-10-03 | 罗作军 | Hot seal bonding process of sole and vamp |
| DE102012206094A1 (en) * | 2012-04-13 | 2013-10-17 | Adidas Ag | Soles for sports shoes |
| CN105050442A (en) * | 2013-05-07 | 2015-11-11 | 耐克创新有限合伙公司 | Article of footwear having welded upper |
| CN106551470A (en) * | 2016-11-11 | 2017-04-05 | 晋江创赢新材料科技有限公司 | A kind of shoe-making process of integrally-forming shoe |
| CN109383060A (en) * | 2017-08-07 | 2019-02-26 | 革乐美时尚有限公司 | It is a kind of to consolidate special shoes, shoes mould, solid special shoes production equipment and production method |
-
2019
- 2019-07-24 CN CN201910670820.4A patent/CN110421882B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1485813B2 (en) * | 1965-04-24 | 1973-02-01 | Schmidt, Oskar, Wien | DEVICE FOR THE MANUFACTURE OF SKI BOOTS WITH INTERIOR |
| US4245406A (en) * | 1979-05-03 | 1981-01-20 | Brookfield Athletic Shoe Company, Inc. | Athletic shoe |
| CN1554301A (en) * | 2003-12-22 | 2004-12-15 | 吴金林 | Water-proof shoes or boots and producing method thereof |
| DE102012206094A1 (en) * | 2012-04-13 | 2013-10-17 | Adidas Ag | Soles for sports shoes |
| CN102697250A (en) * | 2012-04-19 | 2012-10-03 | 罗作军 | Hot seal bonding process of sole and vamp |
| CN105050442A (en) * | 2013-05-07 | 2015-11-11 | 耐克创新有限合伙公司 | Article of footwear having welded upper |
| CN106551470A (en) * | 2016-11-11 | 2017-04-05 | 晋江创赢新材料科技有限公司 | A kind of shoe-making process of integrally-forming shoe |
| CN109383060A (en) * | 2017-08-07 | 2019-02-26 | 革乐美时尚有限公司 | It is a kind of to consolidate special shoes, shoes mould, solid special shoes production equipment and production method |
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| Publication number | Publication date |
|---|---|
| CN110421882A (en) | 2019-11-08 |
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