CN114617336A - Production process for preparing counter by hot pressing and counter structure - Google Patents
Production process for preparing counter by hot pressing and counter structure Download PDFInfo
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- CN114617336A CN114617336A CN202210243315.3A CN202210243315A CN114617336A CN 114617336 A CN114617336 A CN 114617336A CN 202210243315 A CN202210243315 A CN 202210243315A CN 114617336 A CN114617336 A CN 114617336A
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- Prior art keywords
- sheet
- shoe
- counter
- edge
- welt
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0205—Uppers; Boot legs characterised by the material
- A43B23/0235—Different layers of different material
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/025—Uppers; Boot legs characterised by the constructive form assembled by stitching
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/0255—Uppers; Boot legs characterised by the constructive form assembled by gluing or thermo bonding
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/026—Laminated layers
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D11/00—Machines for preliminary treatment or assembling of upper-parts, counters, or insoles on their lasts preparatory to the pulling-over or lasting operations; Applying or removing protective coverings
- A43D11/12—Machines for forming the toe part or heel part of shoes, with or without use of heat
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D8/00—Machines for cutting, ornamenting, marking or otherwise working up shoe part blanks
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D8/00—Machines for cutting, ornamenting, marking or otherwise working up shoe part blanks
- A43D8/02—Cutting-out
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B15/00—Machines for sewing leather goods
- D05B15/02—Shoe sewing machines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Textile Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses a production process for preparing a counter by hot pressing and a counter structure, wherein the production process for preparing the counter by hot pressing comprises the following steps: providing a hemming sheet, an upper shoe sheet, a lower shoe sheet and a filler; placing the lower shoe sheet, the filler and the upper shoe sheet on a parting surface of a first forming die from bottom to top in sequence, closing the first forming die, and carrying out hot pressing and heat preservation on the lower shoe sheet, the filler and the upper shoe sheet to obtain a rear upper rough blank; the edge wrapping sheet is wrapped at the edge of the welt of the shoe back upper rough blank, and the edge wrapping sheet and the edge of the welt of the shoe back upper rough blank are connected into a whole to obtain a finished shoe back upper product.
Description
Technical Field
The invention relates to the technical field of shoe bodies, in particular to a production process for preparing a counter by hot pressing and a counter structure.
Background
The shoe heel counter is an important component of the shoe, mainly plays a role in wrapping and supporting the heel of a human body, and plays an important role in improving the wearing experience and feeling of a user.
At present, most of the sheets of the counter are manufactured by adopting a sewing forming process, the sewing forming process can lead the manufacturing flow of the counter to be more complex, so that the labor time and the labor intensity of workers are increased, the production efficiency of the counter is reduced, and the conventional counter is generally arranged at a shoe opening in a naked edge manner, so that the rubbing and the scraping of the foot of a user are easy to cause, and the user feels uncomfortable.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
In a first aspect, the invention provides a production process for preparing a counter by hot pressing, which comprises the following steps: providing a hemming sheet, an upper shoe sheet, a lower shoe sheet and a filler; placing a lower shoe sheet, a filler and an upper shoe sheet on a parting surface of a first forming die from bottom to top in sequence, closing the first forming die, and carrying out hot pressing and heat preservation on the lower shoe sheet, the filler and the upper shoe sheet to obtain a shoe back upper rough blank; and wrapping the edge wrapping sheet at the edge of the welt of the shoe back upper rough blank, and connecting the edge wrapping sheet and the edge of the welt of the shoe back upper rough blank into a whole to obtain a finished product of the shoe back upper.
The production process for preparing the counter by hot pressing provided by the embodiment of the invention at least has the following beneficial effects: the lower shoe sheet, the filler and the upper shoe sheet are sequentially placed on the parting surface of a first forming die from bottom to top, the parting surface shape of the first forming die can change the overall shape of the rough blank of the prepared counter, the first forming die is matched, the lower shoe sheet, the filler and the upper shoe sheet are subjected to hot pressing and are kept warm for a certain time, and the surfaces of the lower shoe sheet, the filler and the upper shoe sheet are hot-pressed into a whole under the action of temperature; the edge covering piece is wrapped at the edge of the welt of the shoe back upper rough blank and connected with the edge of the welt of the shoe back upper rough blank into a whole to obtain a finished shoe back upper product, the arrangement of the edge covering piece can improve the connection stability of the upper shoe piece, the filler and the lower shoe piece, and is beneficial to avoiding the problem that the upper shoe piece and the lower shoe piece are curled or separated at the edge of the welt, the arrangement of the edge covering piece is beneficial to shielding the edge of the welt of the shoe back upper rough blank, compared with the structure that the edge of the welt of the shoe back upper is generally a bare edge in the traditional shoe, the arrangement of the edge covering piece is beneficial to reducing the rubbing of the whole shoe back upper on a human body, thereby improving the comfort of a user when wearing the shoe with the shoe back upper structure and being beneficial to improving the overall aesthetic property of the shoe back upper structure.
According to some embodiments of the present invention, before the step of wrapping the hem sheet at the welt edge of the counter blank, the method further comprises the steps of:
and providing a cutting tool for standby, and trimming the periphery of the shoe heel part rough blank by the cutting tool.
After the shoe rear upper blank is formed, considering that residual materials exist around the shoe rear upper blank due to hot pressing of the upper shoe sheet, the filler and the lower shoe sheet, the periphery of the shoe rear upper blank needs to be trimmed through a cutting tool, so that the edge of the opening of the shoe rear upper blank forms the radian required by the opening of the shoe, the edge covering sheet needs to be wrapped at the edge of the opening of the shoe rear upper, the cut formed by cutting the shoe rear upper blank at the opening of the shoe is favorably shielded, the problem that the cut scratches and scratches of a human body are favorably avoided, the left edge, the right edge and the lower edge of the shoe rear upper blank are trimmed, and the use requirement that the shoe rear upper blank needs to be connected with a shoe front upper and a shoe sole in a shoe making process is met.
According to some embodiments of the invention, the first forming die comprises an upper die holder and a lower die holder, the front end of the upper surface of the lower die holder is provided with a first arc-shaped part protruding upwards, the rear end of the upper surface of the lower die holder is provided with a second arc-shaped part recessed downwards, the first arc-shaped part and the second arc-shaped part are in smooth transition, and the shape of the upper die holder is matched with the shape of the lower die holder.
The preceding tip of die holder upper surface is equipped with the first arc portion that makes progress protrudingly, and the rear end of die holder upper surface is equipped with the second arc portion of undercut, the upper surface of die holder is "S" shape promptly, and the shape of upper die base and the shape looks adaptation of die holder, under first forming die' S hot pressing, the thick embryo of group forms "S" shape behind the shoes, accord with the setting of human foot shape, the first arc portion of epirelief is favorable to improving the parcel performance of the thick embryo of group behind the shoes to human foot, the protruding second arc portion in back makes the thick embryo of group behind the shoes and the shape looks adaptation of human heel, the laminating.
According to some embodiments of the present invention, the filler includes a supporting sheet, the lower die base is provided with a plurality of positioning pillars, the supporting sheet is disposed on the positioning pillars in a penetrating manner, and the shape of the supporting sheet is matched with the shape of the lower die base.
The support sheet is arranged on the positioning column in a penetrating mode, under the positioning effect of the positioning column, the relative position relation between the support sheet and the first arc-shaped portion and the relative position relation between the support sheet and the second arc-shaped portion are favorably fixed, the problem that inferior-quality products or the support sheet is damaged due to stress caused by dislocation of the support sheet and the first arc-shaped portion and the second arc-shaped portion is favorably avoided, the shape of the support sheet is matched with the shape of the lower die base, namely the front end portion of the support sheet is also provided with the upward protruding arc-shaped portion, the rear end portion of the support sheet is also provided with the downward recessed arc-shaped portion, the support sheet is attached to the parting surface of the first forming die, namely the integral shape of the support sheet and the shoe rear upper rough blank is also matched, the integral stability of the manufactured shoe rear upper rough blank is favorably improved through the built-in support sheet, and the supporting and wrapping performance of the whole shoe rear upper on a human body is indirectly improved.
According to some embodiments of the invention, the insert further comprises a collar reinforcement panel; place lower shoe piece, filler and last shoe piece from bottom to top in proper order on the die joint of first forming die, include the following step:
the lower shoe sheet penetrates through the positioning column and is placed on the upper surface of the lower die holder, the shoe opening reinforcing sheet is placed on the upper surface of the lower shoe sheet, and the shoe opening reinforcing sheet is located at the front end of the first arc-shaped part; placing the support sheet through the positioning column, wherein the support sheet is attached to the first arc-shaped part and the second arc-shaped part, and the front end of the support sheet is abutted to the shoe opening reinforcing sheet; the lower shoe sheet is covered above the support sheet and the welt-reinforcing sheet.
The welt reinforcing sheet is placed at the upper edge of the lower welt and is positioned at the front end of the first arc-shaped part, namely, the welt reinforcing sheet is positioned at the top of the heel counter rough blank, the welt reinforcing sheet is arranged to be beneficial to increasing the welt hardness of the heel counter rough blank, the welt radian and the shape of the heel counter rough blank are beneficial to keeping, the service life of the heel counter finished product is prolonged, and the problems that the welt of the heel counter is loosened after being worn for many times and the wrapping performance of a human body is poor are solved.
According to some embodiments of the invention, the padding further comprises a foam pad and a connecting piece; before the step of covering the lower shoe sheet above the support sheet and the welt-reinforcing sheet, the method further comprises the steps of:
placing a sponge cushion on the upper surface of the support sheet and in the area of the first arc-shaped part; the connecting sheet is covered above the spongy cushion, the supporting sheet and the welt reinforcing sheet.
The spongy cushion is placed on the upper surface of the supporting sheet and is placed in the area of the first arc-shaped part, under the combined action of the upper shoe sheet and the lower shoe sheet, the thick blank of the counter is thickened in the filling area of the spongy cushion, the spongy cushion corresponds to the concave part of the heel of a human body, the wrapping performance of a finished product of the counter on the human body is favorably enhanced, the connecting sheet covers the spongy cushion, the supporting sheet and the welt reinforcing sheet, the spongy cushion is connected, the supporting sheet and the welt reinforcing sheet are connected, the connection stability and the integrity of the spongy cushion, the supporting sheet and the welt reinforcing sheet are improved to a certain extent, and the spongy cushion, the supporting sheet and the welt reinforcing sheet are favorable for avoiding the problems of separation or relative movement of the spongy cushion, the supporting sheet and the welt reinforcing sheet after being worn for a long time.
According to some embodiments of the invention, the filling further comprises two pieces of sizing yarns, the sizing yarns gradually narrowing from back to front; before the step of covering the lower shoe plate above the support plate and the welt-reinforcing plate, the method further comprises the steps of:
two pieces of setting yarns penetrate through the positioning columns, are uniformly arranged on the lower shoe sheet, are respectively arranged at the left end and the right end of the lower die base, are arranged in an overlapping mode, and are abutted against the supporting sheet.
Two sizing yarns are equally divided and are respectively arranged at the left end and the right end of the lower die base, the two sizing yarns respectively correspond to the left end part and the right end part of the counter, the sizing yarns are arranged to be beneficial to enhancing the flexibility and the wrapping property of the counter, and the counter is beneficial to avoiding loosening after being worn for many times or worn for a long time, so that the problem of poor wrapping property of the human foot due to the fact that the counter is loosened is solved. The setting yarn gradually becomes from back to front by narrow widen, and the front end of two setting yarns overlaps each other, and setting of setting yarn overlap department corresponds the backing sheet, thereby setting yarn can assist the backing sheet to improve the holistic support performance of shoe back upper promptly.
According to some embodiments of the present invention, the heating temperature of the first molding die ranges from 160 ℃ to 220 ℃, and the holding time of the first molding die ranges from 150S to 280S.
The first forming die enables the lower shoe sheet, the filler and the upper shoe sheet to be connected into a whole through setting and matching of hot pressing temperature and heat preservation time, enables the three to keep good connection stability and high production efficiency, and meets the use requirements of the production process for preparing the counter through hot pressing.
According to some embodiments of the invention, the invention further comprises a sewing machine and a creasing clamp, the creasing clamp being disposed on the sewing machine; wrapping the edge wrapping sheet at the edge of the welt of the shoe back upper rough blank, and connecting the edge wrapping sheet and the edge of the welt of the shoe back upper rough blank into a whole, wherein the method comprises the following steps:
the edge covering piece penetrates through the folded clamp, and one end of the welt edge of the shoe back upper rough blank penetrates into an outlet of the folded clamp; starting the sewing machine, sewing the edge covering piece to the other end of the edge of the shoe opening of the shoe back upper rough blank along one end of the edge of the shoe opening of the shoe back upper rough blank, and sewing the edge covering piece and the edge of the shoe opening of the shoe back upper rough blank into a whole.
The edge covering piece penetrates through the opening folding fixture, and one end of the welt edge of the shoe back upper rough blank penetrates into the outlet of the opening folding fixture, so that the edge covering piece is folded and wrapped at the welt edge of the shoe back upper rough blank, the edge covering piece is sewn to the other end of the welt edge of the shoe back upper rough blank along one end of the welt edge of the shoe back upper rough blank, and the edge covering piece can completely cover the welt edge of the shoe back upper rough blank and is sewn with the welt edge of the shoe back upper rough blank into a whole.
In a second aspect, the present invention provides a counter structure made using the manufacturing process for making a counter by hot pressing as set forth in any of the first aspects.
According to the shoe back upper structure provided by the embodiment of the invention, at least the following beneficial effects are achieved: the shoe back upper structure is manufactured by applying the production process for manufacturing the shoe back upper by hot pressing as shown in any one of the first aspect, the lower shoe sheet, the filler and the upper shoe sheet are sequentially placed on the parting surface of the first forming die from bottom to top, the arrangement of the parting surface shape of the first forming die can change the overall shape of the manufactured shoe back upper rough blank, the first forming die is closed, the lower shoe sheet, the filler and the upper shoe sheet are hot pressed and kept warm for a certain time, under the action of temperature, the surfaces of the lower shoe sheet, the filler and the upper shoe sheet are hot-pressed into a whole, compared with the traditional shoe back upper made by sewing, the hot-press forming process is simpler, is beneficial to reducing the labor time and labor intensity of workers and improving the production efficiency of the shoe back upper, the hot-pressing integrated forming process is favorable for avoiding the problem that more sewing lines are generated at the joint of the sheets forming the counter; the edge covering piece is wrapped at the edge of the welt of the shoe back upper rough blank and connected with the edge of the welt of the shoe back upper rough blank into a whole to obtain a finished shoe back upper product, the arrangement of the edge covering piece can improve the connection stability of the upper shoe piece, the filler and the lower shoe piece, and is beneficial to avoiding the problem that the upper shoe piece and the lower shoe piece are curled or separated at the edge of the welt, the arrangement of the edge covering piece is beneficial to shielding the edge of the welt of the shoe back upper rough blank, compared with the structure that the edge of the welt of the shoe back upper is generally a bare edge in the traditional shoe, the arrangement of the edge covering piece is beneficial to reducing the rubbing of the whole shoe back upper on a human body, thereby improving the comfort of a user when wearing the shoe with the shoe back upper structure and being beneficial to improving the overall aesthetic property of the shoe back upper structure.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a process flow of a manufacturing process for hot pressing a counter according to an embodiment of the present invention;
FIG. 2 is a schematic view of a process flow of a manufacturing process for hot pressing a counter according to an embodiment of the present invention;
FIG. 3 is a schematic view of a process flow of a manufacturing process for manufacturing a counter by hot pressing according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of the lower blade, the filler and the upper blade of the production process for preparing the counter by hot pressing provided by the embodiment of the invention, which are combined in a first forming mold;
FIG. 5 is a schematic structural view of a shoe heel rough blank of a manufacturing process for hot-pressing a shoe heel provided in an embodiment of the present invention;
FIG. 6 is a schematic view of the connection between the edge covering sheet and the shoe rear upper blank in the production process of the hot-pressing shoe rear upper provided by the embodiment of the invention;
FIG. 7 is a schematic structural view of a finished shoe counter for a manufacturing process of a hot press shoe counter according to an embodiment of the present invention;
FIG. 8 is a flow chart of a manufacturing process for hot pressing a counter according to an embodiment of the present invention;
FIG. 9 is a flow chart of a manufacturing process for hot pressing a counter according to an embodiment of the present invention;
FIG. 10 is a flow chart of a manufacturing process for manufacturing a counter by hot pressing according to an embodiment of the present invention.
In the drawings: 110. a lower shoe sheet; 120. putting on a shoe sheet; 200. a filler; 210. a reinforcing sheet; 220. a support sheet; 230. setting yarns; 240. a sponge cushion; 310. a lower die holder; 311. a first arcuate portion; 312. a second arcuate portion; 320. an upper die holder; 400. shoe back upper rough blank; 500. a sewing machine; 600. a shoe back upper finished product; 700. and (4) edge wrapping sheets.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings only for the convenience of description of the present invention and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of the terms are not limited to a certain number, and a plurality of the terms are two or more, and the terms larger, smaller, larger, and the like are understood to include the number of the terms, and the terms larger, smaller, and the like are understood to include the number of the terms. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. Additionally, appearing throughout and/or representing three side-by-side scenarios, e.g., A and/or B represents a scenario satisfied by A, a scenario satisfied by B, or a scenario satisfied by both A and B.
In the description of the present invention, there is a phrase containing a plurality of parallel features, wherein the phrase defines the closest feature, for example: b, C disposed on A, E connected to D, B disposed on A, E connected to D, C is not limited; however, terms indicating relationships between features such as "spaced apart", "arranged in a ring", etc. do not fall within this category. The phrase preceded by the word "mean" indicates that it is a definition of all features in the phrase, and if it is B, C, D, it indicates that both B, C and D are located on a.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
An embodiment of the present invention will be described below with reference to fig. 1 to 7.
Referring to fig. 8, the embodiment of the invention provides a production process for preparing a counter by hot pressing, which comprises the following steps:
s100: providing a hem sheet 700, an upper flap 120, a lower flap 110, and a filler 200;
s200: placing the lower shoe sheet 110, the filler 200 and the upper shoe sheet 120 on a parting surface of a first forming die from bottom to top in sequence, closing the first forming die, and carrying out hot pressing and heat preservation on the lower shoe sheet 110, the filler 200 and the upper shoe sheet 120 to obtain a shoe back upper rough blank 400;
s300: a cutting tool is provided for use, and the periphery of the shoe back part blank 400 is trimmed by the cutting tool.
S400: the edge covering sheet 700 is wrapped at the edge of the welt of the shoe back upper blank 400, and the edge covering sheet 700 and the edge of the welt of the shoe back upper blank 400 are connected into a whole to obtain the finished shoe back upper product 600.
In step S100, the lower sheet 110 is used as a fabric for the rear upper product 600 to be attached to the foot of the human body, and may be made of a breathable and skin-friendly material, such as various natural leathers, yarns, canvases, etc., while the upper sheet 120 is used as a cloth for the exterior decoration of the rear upper product 600, and may be made of a material having a good hardness or smoothness, such as various leathers, fabrics, etc.
Referring to fig. 4, in step S200, the first forming mold includes an upper mold base 320 and a lower mold base 310, a first arc-shaped portion 311 protruding upward is disposed at a front end of an upper surface of the lower mold base 310, a second arc-shaped portion 312 recessed downward is disposed at a rear end of the upper surface of the lower mold base 310, the first arc-shaped portion 311 and the second arc-shaped portion 312 smoothly transition, that is, an upper surface of the lower mold base 310 is "S" shaped, and a shape of the upper mold base 320 is adapted to a shape of the lower mold base 310.
Under the mold closing action of the external heating equipment and the first forming mold, the lower shoe sheet 110, the filler 200 and the upper shoe sheet 120 are connected into a shoe back upper rough blank 400, referring to fig. 7, the upper part of the shoe back upper rough blank 400 forms a front convex arc part, the lower part of the shoe back upper rough blank 400 forms a back concave arc part, the shape of the human foot is set, the upper convex first arc part 311 is beneficial to improving the wrapping performance of the shoe back upper rough blank 400 on the human foot, and the back convex second arc part 312 enables the shoe back upper rough blank 400 to be matched with the shape of the human heel. The heating device can be a hot press, a heating air pipe and the like.
The lower die holder 310 is provided with a plurality of positioning columns, and the positioning columns are arranged to facilitate the relative position relationship between the upper shoe piece 120, the lower shoe piece 110 and the filler 200 and the lower die holder 310 to be fixed, thereby being beneficial to avoiding the problem that the upper shoe piece 120, the lower shoe piece 110 and the filler 200 cannot be completely attached or wrinkles are generated in the hot pressing process.
Since the front surface of the shoe back part product 600 needs to be attached to the foot of the human body and the back surface of the shoe back part product 600 mainly plays a role of supporting and decorating, the shapes of the front surface and the back surface of the shoe back part product 600 do not need to be completely consistent, and the opposite surfaces of the upper mold base 320 and the lower mold base 310 do not need to be completely attached.
In step S200, the filler 200 includes a support sheet 220, a collar reinforcement sheet 210, a sponge pad 240, a connection sheet, and two pieces of sizing yarn 230.
The shape of the support sheet 220 is adapted to the shape of the first arc-shaped portion 311 and the second arc-shaped portion 312, that is, the front end portion of the support sheet 220 is also provided with an upward protruding arc-shaped portion, the rear end portion of the support sheet 220 is also provided with a downward recessed arc-shaped portion, the support sheet 220 is attached to the parting surface of the first forming mold, that is, the overall shapes of the support sheet 220 and the shoe rear upper blank 400 are also adapted, and the support sheet 220 is internally provided with a groove which is beneficial to improving the overall stability of the manufactured shoe rear upper blank 400, so that the overall support and wrapping performance of the shoe rear upper on a human body are indirectly improved. The support sheet 220 may be made of a material having a good support performance, such as a sea jade, a TPU (thermoplastic polyurethane elastomer), a TPE (thermoplastic elastomer), and a TPEE (thermoplastic polyester elastomer). The throat reinforcing sheet 210 may be a thin plastic sheet, a foam sheet, or the like.
Referring to fig. 1 to 4, and also to fig. 9, the lower blade 110, the filler 200, and the upper blade 120 are sequentially placed on the parting surface of the first molding die from bottom to top, including the steps of:
s210: the lower shoe 110 is inserted through the positioning post and placed on the upper surface of the lower mold base 310, and the throat reinforcing plate 210 is placed on the upper surface of the lower shoe 110, the throat reinforcing plate 210 being located at the front end of the first arc-shaped portion 311.
S220: the support sheet 220 is placed through the positioning column, the support sheet 220 is attached to the first arc-shaped portion 311 and the second arc-shaped portion 312, and the front end of the support sheet 220 is abutted to the welt reinforcing sheet 210.
S230: the two pieces of setting yarns 230 penetrate through the positioning columns, the two pieces of setting yarns 230 are uniformly arranged on the lower shoe sheet 110, the two pieces of setting yarns 230 are respectively arranged at the left end and the right end of the lower die holder 310, the front ends of the two pieces of setting yarns 230 are arranged in an overlapping mode, and the two pieces of setting yarns 230 are abutted to the supporting sheet 220.
S240: the sponge pad 240 is placed on the upper surface of the support sheet 220, and the sponge pad 240 is placed in the area of the first arc-shaped portion 311.
S250: the connecting sheet is covered over the sizing yarn 230, the sponge pad 240, the supporting sheet 220 and the cuff reinforcing sheet 210.
S260: the lower blade 110 is covered over the connecting sheet, the sizing yarns 230, the supporting sheet 220 and the throat reinforcing sheet 210.
In step S220, the support sheet 220 is inserted through the positioning posts, so that the relative position relationship between the support sheet 220 and the first arc-shaped portion 311 and the second arc-shaped portion 312 is favorably fixed under the positioning action of the positioning posts, the problem that defective products are generated or the support sheet 220 is damaged due to misalignment of the support sheet 220 and the first arc-shaped portion 311 and the second arc-shaped portion 312 is favorably solved, the shape of the support sheet 220 is fitted with the shape of the lower die holder 310, that is, an upward protruding arc-shaped portion is also arranged at the front end of the support sheet 220, a downward recessed arc-shaped portion is also arranged at the rear end of the support sheet 220, the shape of the support sheet 220 is adapted to the shape of the parting surface of the first forming die, and the overall stability of the manufactured shoe rear upper blank 400 is favorably improved, thereby indirectly improving the support and wrapping performance of the whole shoe rear upper on a human body.
In step S230, the two sizing yarns 230 are respectively arranged at the left end and the right end of the lower die holder 310, the two sizing yarns 230 are respectively arranged corresponding to the left end and the right end of the counter, the sizing yarns 230 are arranged to be beneficial to enhancing the flexibility and the wrapping performance of the counter, and the problem that the wrapping performance of the counter becomes poor due to looseness of the counter after multiple times of wearing or long-time wearing is avoided. The sizing yarns 230 gradually narrow and widen from back to front, and are matched with the shape of the supporting sheet 220 that narrows from back to front, the front ends of the two sizing yarns 230 are mutually overlapped, the overlapped part of the sizing yarns 230 is arranged corresponding to the supporting sheet 220, namely, the sizing yarns 230 can assist the supporting sheet 220 to improve the integral supporting performance of the back upper.
In step S240, the foam-rubber cushion 240 is placed on the upper surface of the support sheet 220 and in the area of the first arc-shaped portion 311, so that the thick heel part 400 is thickened in the filling area of the foam-rubber cushion 240 under the combined action of the upper and lower uppers, and the foam-rubber cushion 240 is disposed in a concave portion corresponding to the heel of the human body, thereby facilitating to increase the wrapping performance of the finished heel part 600 on the human body.
In step S250, the connecting sheet covers the sizing yarns 230, the foam-rubber cushion 240, the supporting sheet 220 and the collar reinforcing sheet 210 to connect the sizing yarns 230, the foam-rubber cushion 240, the supporting sheet 220 and the collar reinforcing sheet 210, so as to improve the connection stability and the integrity of the sizing yarns 230, the foam-rubber cushion 240, the supporting sheet 220 and the collar reinforcing sheet 210 to a certain extent, and to avoid the problem of separation or relative movement of the sizing yarns 230, the foam-rubber cushion 240, the supporting sheet 220 and the collar reinforcing sheet 210 after being worn for a long time.
In step S260, the lower blade 110 is covered over the support sheet 220 and the throat reinforcing sheet 210. Under the action of the hot press of the first forming mold, the sizing yarn 230, the sponge pad 240, the supporting sheet 220 and the welt reinforcing sheet 210 are sandwiched between the upper shoe sheet 120 and the lower shoe sheet 110 to obtain a rib blank 400.
In other embodiments of the present invention, the stacking sequence of the sizing yarn 230, the sponge pad 240, the supporting sheet 220 and the collar reinforcement sheet 210 may be changed, for example, the sizing yarn 230 is first placed, and then the reinforcing sheet 210 and the supporting sheet 220 are placed, and the supporting sheet 220 may be above or below the reinforcing sheet 210. Also, for example, the connecting piece can be placed in front of or behind the foam rubber pad 240, and the supporting and wrapping functions of the shoe heel part product 600 can be improved.
The heating temperature range of the first forming die is 160 ℃ to 220 ℃, preferably, the heating temperature of the first forming die can be 200 ℃, the heat preservation time range of the first forming die is 150S to 280S, preferably, the heat preservation time can be controlled to be about 200S. The first forming die enables the lower shoe sheet 110, the filler 200 and the upper shoe sheet 120 to be connected into a whole through the setting and matching of the hot-pressing temperature and the heat preservation time, keeps good stability and high production efficiency, and meets the production process for preparing the counter through hot pressing.
Referring to fig. 5, in step S300, after the shoe counter blank 400 is formed, considering that there are excess materials in the hot pressing of the upper sheet 120, the filler 200 and the lower sheet 110, the periphery of the shoe counter blank 400 needs to be trimmed by a cutting tool, so that the edge of the throat of the shoe counter blank 400 forms the radian required by the throat, and the edge-covering sheet 700 needs to be wrapped at the edge of the throat of the shoe counter, which is beneficial to shielding the cut formed by cutting the shoe counter blank 400, and avoiding the problem that the cut scratches the human body, and the left edge, the right edge and the lower edge of the shoe counter blank 400 are trimmed to meet the use requirement of being connected with the shoe front counter and the sole in the shoe making process. The cutting tool may be a cutter, scissors, or the like.
Referring to fig. 6 and 10, the present invention further includes a sewing machine 500 and a creasing jig provided on the sewing machine 500 at step S400.
Wrapping the edge wrapping sheet 700 at the edge of the welt of the shoe back upper blank 400, and connecting the edge wrapping sheet 700 and the edge of the welt of the shoe back upper blank 400 into a whole, comprising the following steps:
s410: the hemming sheet 700 is arranged by passing through the folding clamp, and one end of the welt edge of the counter blank 400 is passed through the outlet of the folding clamp;
s420: starting the sewing machine 500, sewing the edge covering piece 700 to the other end of the welt edge of the counter blank 400 along one end of the welt edge of the counter blank 400, and sewing the edge covering piece 700 and the welt edge of the counter blank 400 into a whole.
The edge covering sheet 700 penetrates through the opening folding fixture, and one end of the welt edge of the counter blank 400 penetrates through the outlet of the opening folding fixture, so that the edge covering sheet 700 is folded and wrapped at the welt edge of the counter blank 400, the edge covering sheet 700 is sewn to the other end of the welt edge of the counter blank 400 along one end of the welt edge of the counter blank 400, and the edge covering sheet 700 can completely cover the welt edge of the counter blank 400 and is sewn with the welt edge of the counter blank 400 into a whole.
In a second embodiment, the invention further provides a counter manufactured by the counter manufacturing process in the first embodiment. The counter includes a counter body, a covering sheet 700, and a support sheet 220.
The shoe back part comprises an upper shoe sheet 120 and a lower shoe sheet 110, wherein the upper shoe sheet 120 is butted with the lower shoe sheet 110 to form an accommodating cavity; the edge covering piece 700, the edge covering piece 700 covers the upper edge of the shoe back upper body, and the front surface of the upper shoe piece 120 and the rear surface of the lower shoe piece 110 are both connected with the edge covering piece 700; the supporting sheet 220, the supporting sheet 220 is arranged in the containing cavity, and the supporting sheet 220 is arranged at the rear end of the shoe back upper body.
The upper portion of the back end of the counter body is provided with a front convex arc portion, the lower portion of the back end of the counter body is provided with a back convex arc portion, the shape of the support sheet 220 is matched with that of the back end of the counter body, the upper end of the support sheet 220 extends to the arc portion above, and the lower end of the support sheet 220 extends to the arc portion below. The top of the counter body is provided with a first bending section of the back warp, the first bending section is arranged at the rear end of the counter body, the top of the supporting sheet 220 is provided with a second bending section of the back warp, the second bending section is arranged at the rear end of the supporting sheet 220, and the second bending section is arranged in an area of the accommodating cavity corresponding to the first bending section.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (10)
1. A production process for preparing a counter by hot pressing is characterized by comprising the following steps:
providing a hemming sheet, an upper shoe sheet, a lower shoe sheet and a filler;
placing the lower shoe sheet, the filler and the upper shoe sheet on a parting surface of a first forming die from bottom to top in sequence, closing the first forming die, and carrying out hot pressing and heat preservation on the lower shoe sheet, the filler and the upper shoe sheet to obtain a rear upper rough blank;
and wrapping the edge wrapping sheet at the edge of the welt of the shoe back upper blank, and connecting the edge wrapping sheet and the edge of the welt of the shoe back upper blank into a whole to obtain a finished shoe back upper product.
2. The process for manufacturing a counter by hot pressing according to claim 1, further comprising the following steps before the step of wrapping the welt sheet around the welt edge of the counter blank:
and providing a cutting tool for standby, and trimming the periphery of the shoe back upper rough blank through the cutting tool.
3. The production process for preparing the counter by hot pressing according to claim 1, wherein the first forming die comprises an upper die holder and a lower die holder, a first arc-shaped part protruding upwards is arranged at the front end of the upper surface of the lower die holder, a second arc-shaped part recessed downwards is arranged at the rear end of the upper surface of the lower die holder, the first arc-shaped part and the second arc-shaped part are in smooth transition, and the shape of the upper die holder is matched with the shape of the lower die holder.
4. The production process for preparing the counter by hot pressing according to claim 3, wherein the filler comprises a support sheet, the lower die holder is provided with a plurality of positioning columns, the support sheet is arranged on the positioning columns in a penetrating manner, and the shape of the support sheet is matched with that of the lower die holder.
5. The process for manufacturing a counter by hot pressing according to claim 4, wherein the filler further comprises a collar reinforcement sheet; will the lower shoe sheet, the filler with the upper shoe sheet is placed on the die joint of first forming die from bottom to top in proper order, including following step:
the lower shoe sheet penetrates through the positioning column and is placed on the upper surface of the lower die base, and the welt reinforcing sheet is placed on the upper surface of the lower shoe sheet and is positioned at the front end of the first arc-shaped part;
placing the support sheet through the positioning column, wherein the support sheet is attached to the first arc-shaped part and the second arc-shaped part, and the front end of the support sheet is abutted to the welt reinforcing sheet;
and covering the lower shoe sheet above the supporting sheet and the welt reinforcing sheet.
6. The process for manufacturing a counter by hot pressing according to claim 5, wherein the filler further comprises a sponge pad and a connecting sheet; before the step of covering the lower shoe sheet above the support sheet and the throat reinforcing sheet, further comprising the steps of:
placing the sponge pad on the upper surface of the support sheet and in the area of the first arc-shaped portion;
and covering the connecting sheet above the sponge cushion, the supporting sheet and the welt reinforcing sheet.
7. The process for manufacturing a counter by hot pressing according to claim 6, wherein the filler further comprises two sizing yarns, and the sizing yarns gradually narrow and widen from back to front; before the step of covering the lower shoe sheet above the support sheet and the throat reinforcing sheet, further comprising the steps of:
will two the design yarn all passes the reference column, two the design yarn equipartition is put down on the shoe sheet, two the design yarn is arranged respectively the left end and the right-hand member of die holder, two the front end of design yarn is the overlap setting, two the design yarn all with the backing sheet butt.
8. The manufacturing process for preparing a counter by hot pressing according to claim 1, wherein the heating temperature of the first forming mold ranges from 160 ℃ to 220 ℃, and the heat preservation time of the first forming mold ranges from 150S to 280S.
9. The production process for preparing the counter by hot pressing according to claim 1, further comprising a sewing machine and a folding clamp, wherein the folding clamp is arranged on the sewing machine; wrapping the edge covering sheet at the edge of the welt of the shoe back upper blank, and connecting the edge covering sheet and the edge of the welt of the shoe back upper blank into a whole, wherein the method comprises the following steps:
the edge wrapping sheet penetrates through the folded clamp, and one end of the welt edge of the shoe back upper rough blank penetrates into the outlet of the folded clamp;
and starting the sewing machine, sewing the edge covering piece to the other end of the edge of the welt of the counter rough blank along one end of the edge of the welt of the counter rough blank, and sewing the edge covering piece and the edge of the welt of the counter rough blank into a whole.
10. A counter structure, characterized in that it is obtained by applying the process for manufacturing a counter according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210243315.3A CN114617336A (en) | 2022-03-11 | 2022-03-11 | Production process for preparing counter by hot pressing and counter structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210243315.3A CN114617336A (en) | 2022-03-11 | 2022-03-11 | Production process for preparing counter by hot pressing and counter structure |
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| Publication Number | Publication Date |
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| CN114617336A true CN114617336A (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210243315.3A Pending CN114617336A (en) | 2022-03-11 | 2022-03-11 | Production process for preparing counter by hot pressing and counter structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12011064B2 (en) | 2021-10-15 | 2024-06-18 | Skechers U.S.A., Inc. Ii | Footwear counter for easier entry and removal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB764640A (en) * | 1955-02-04 | 1956-12-28 | William Francis Herlihy | Method of making shoes of the type wherein the quarter portion of the shoe comprises a molded stiffener |
| CN102240088A (en) * | 2010-05-11 | 2011-11-16 | 株式会社上沼 | Counter and manufacturing method of shoe by using counter |
| TW201215342A (en) * | 2010-10-08 | 2012-04-16 | Shu-Hua Lin | Shoes for convenience of wearing and taking off |
| CN204259964U (en) * | 2014-10-15 | 2015-04-15 | 胡吼 | A kind of wireless bound edge wear resistant shoe |
| CN215455754U (en) * | 2021-06-16 | 2022-01-11 | 广东恩浩内衣实业有限公司 | Shoes with welt structure |
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2022
- 2022-03-11 CN CN202210243315.3A patent/CN114617336A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB764640A (en) * | 1955-02-04 | 1956-12-28 | William Francis Herlihy | Method of making shoes of the type wherein the quarter portion of the shoe comprises a molded stiffener |
| CN102240088A (en) * | 2010-05-11 | 2011-11-16 | 株式会社上沼 | Counter and manufacturing method of shoe by using counter |
| TW201215342A (en) * | 2010-10-08 | 2012-04-16 | Shu-Hua Lin | Shoes for convenience of wearing and taking off |
| CN204259964U (en) * | 2014-10-15 | 2015-04-15 | 胡吼 | A kind of wireless bound edge wear resistant shoe |
| CN215455754U (en) * | 2021-06-16 | 2022-01-11 | 广东恩浩内衣实业有限公司 | Shoes with welt structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12011064B2 (en) | 2021-10-15 | 2024-06-18 | Skechers U.S.A., Inc. Ii | Footwear counter for easier entry and removal |
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Effective date of registration: 20230602 Address after: California, USA Applicant after: Skechers U S A Inc. II Address before: 528000 Xiongxing Industrial Zone, Hecun, Lishui Town, Nanhai District, Foshan City, Guangdong Province Applicant before: GUANGDONG ENHAO UNDERWEAR INDUSTRY CO.,LTD. |