CN115401852A - Preparation process and production equipment of double-color high-elastic wear-resistant sole - Google Patents
Preparation process and production equipment of double-color high-elastic wear-resistant sole Download PDFInfo
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- CN115401852A CN115401852A CN202211003318.6A CN202211003318A CN115401852A CN 115401852 A CN115401852 A CN 115401852A CN 202211003318 A CN202211003318 A CN 202211003318A CN 115401852 A CN115401852 A CN 115401852A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
- B29C45/04—Injection moulding apparatus using movable moulds or mould halves
- B29C45/06—Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction
- B29C45/062—Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction carrying mould halves co-operating with fixed mould halves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1615—The materials being injected at different moulding stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2681—Moulds with rotatable mould parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/50—Footwear, e.g. shoes or parts thereof
- B29L2031/504—Soles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2427/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses a process for preparing a double-color high-elasticity wear-resistant sole, which comprises the following specific process steps of firstly injecting an elastic raw material between a lower shoe mold and a first left upper shoe mold to prepare a left insole, and then injecting a wear-resistant raw material between the lower shoe mold and a second left upper shoe mold to prepare a left big sole coated on the surface of the left insole.
Description
Technical Field
The invention discloses a preparation process and production equipment of a double-color high-elasticity wear-resistant sole, and belongs to the technical field of shoe material production.
Background
The sole is an important part of the shoe, has the advantages of wear resistance, water resistance, oil resistance, heat resistance, pressure resistance, impact resistance, good elasticity, easy adaptation to foot shapes and the like, is generally made of rubber, plastic, rubber and plastic composite materials and the like, and the forming method comprises compression molding, injection molding and the like. In order to produce the sole with double-color, three sets of dies are mostly adopted, the first set is used for forming the outsole, the second set is used for forming the insole, the third set is used for compounding and forming the insole and the outsole, but the mode is high in die cost and low in production efficiency.
In order to solve the problem, a patent with a publication number of CN110789044B discloses a forming process and a forming machine for a double-color EVA foaming sole, and the specific forming process comprises the following steps: s1, preparing a mold, S2, injection molding, S3 station conversion, S4 gluing, cross-linked foam molding and secondary injection molding, and S5 continuous production.
Above-mentioned patent is through two sets of moulds on, two sets of lower moulds and one set of well mould, after sole and lower sole in the shaping, utilize the mode that the station switches, make lower sole and last sole carry out the cross-linking foaming, and go up sole and lower sole simultaneously and also be foaming the shaping again, thereby make two processes go on simultaneously, can shorten the time of double-colored sole continuous production greatly, but glue the mould easily after the sole shaping, need carry out the manual work and get the material, workman's intensity of labour has not only been increased, and there is the potential safety hazard, and adopt sole and lower sole secondary cross-linking foaming, both bonds insecurely, equipment energy consumption is also too big.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a preparation process and production equipment of a double-color high-elasticity wear-resistant sole.
The invention realizes the purpose through the following technical scheme, and a preparation process of a double-color high-elastic wear-resistant sole comprises the following steps:
s1: adopting a lower shoe mold with a left sole cavity and a right sole cavity, closing the left sole cavity and the first left upper shoe mold in a first station in a state that the left sole cavity is arranged at the upper part and the right sole cavity is arranged at the lower part, then performing injection molding on the elastic sole raw material, and opening the mold to obtain a left insole;
s2: horizontally rotating the lower shoe mold by 90 degrees to a second station, closing the lower shoe mold and a second left upper shoe mold, then performing injection molding on the wear-resistant sole raw material, and opening the mold to obtain a left foot outsole coated on the surface of the left foot insole;
s3: horizontally rotating the lower shoe mold by 90 degrees to move to a third station, vertically overturning the lower shoe mold by 180 degrees around the center of the lower shoe mold in the process, keeping the state that a right sole cavity is arranged above and a left sole cavity is arranged below, then closing the lower shoe mold with the first right upper shoe mold, ejecting a left insole and a left outsole from the left sole cavity, then performing injection molding on the elastic sole raw material, and opening the mold to obtain a right insole;
s4: horizontally rotating the lower shoe mold by 90 degrees to a fourth station, closing the lower shoe mold and a second right upper shoe mold, then performing injection molding on the wear-resistant sole raw material, and opening the mold to obtain a right foot outsole coated on the surface of the right foot insole;
s5: horizontally rotating the lower shoe mold by 90 degrees to move to a first station, vertically turning the lower shoe mold by 180 degrees around the center of the lower shoe mold in the process, keeping the upper sole cavity and the lower sole cavity in a lower state, then closing the lower shoe mold with the first upper left shoe mold, and ejecting the right insole and the right outsole out of the left sole cavity;
s6: and (5) repeating the steps S1, S2, S3, S4 and S5 to realize continuous production, cooling the prepared double-color high-elasticity wear-resistant sole, and trimming the flash on the surface of the sole.
Preferably, the elastic sole comprises the following raw materials in parts by weight: 100-150 parts of EVA; 2-5 parts of zinc oxide; 15-18 parts of a foaming agent; 25-30 parts of polyvinyl chloride; 15-18 parts of butadiene rubber; 3-5 parts of thermoplastic polyamide; 8-10 parts of silica gel, 10-15 parts of ethylene propylene diene monomer and 3-6 parts of zinc oxide.
Preferably, the wear-resistant sole comprises the following raw materials in parts by weight: 30-40 parts of butadiene rubber, 10-15 parts of nitrile rubber, 3-5 parts of zinc oxide, 2-3 parts of stearic acid, 1-2 parts of accelerator, 1-2 parts of anti-aging agent and 2-3 parts of dispersant.
The utility model provides a wear-resisting sole production facility of double-colored high-elastic, includes the rotating turret, the outside of rotating turret is provided with annular guide, it is provided with four lower shoe mold, four to slide in the annular guide down the shoe mold uses annular guide as the center according to 90 symmetric distribution to form first station, second station, third station and fourth station, the shoe mold has left sole chamber and right sole chamber down, be provided with the gliding power unit of drive lower shoe mold along annular guide on the rotating turret, and still be provided with drive lower shoe mold with 180 actuating mechanism of its central point position vertical upset on the rotating turret, actuating mechanism is located between second station and third station, fourth station and the first station, second station, third station and fourth station all are provided with vertical injection molding device and frame, first station and second station are provided with first left upper shoe mold and the upper left side upper shoe mold of the left sole chamber of closing cap and the upper left upper shoe mold and the upper right shoe mold of second and the upper right side upper shoe mold, the upper left upper shoe mold and the upper right side upper shoe mold of second that is used for closing cap left sole chamber respectively, the upper right side upper mold, the upper right side upper and upper right side upper shoe mold and the upper right side upper and the second telescopic drive the upper shoe mold.
Preferably, the lower shoe mold comprises a first mold plate, a second mold plate and a plurality of telescopic rods arranged between the first mold plate and the second mold plate, the left shoe sole cavity is located in the first mold plate, the right shoe sole cavity is located in the second mold plate, a convex ring is arranged in the middle of each telescopic rod, two ends of each telescopic rod stretch into the left shoe sole cavity and the right shoe sole cavity, first springs are arranged on two sides of each convex ring, pressing devices used for pressing the telescopic rods are arranged on the second upper left shoe mold and the second upper right shoe mold, and first pulleys are arranged on two sides of the first mold plate and the second mold plate.
Preferably, the pressing device comprises a fixing plate, an ejector rod, a second spring and a limiting bolt, the ejector rod and the telescopic rod are arranged in a one-to-one correspondence mode, one end of the ejector rod is fixedly connected with the fixing plate, the other end of the ejector rod penetrates through the second left upper shoe mold or the second right upper shoe mold, the limiting bolt penetrates through the fixing plate and then is in threaded connection with the first left upper shoe mold or the first right upper shoe mold, and the second spring is sleeved on the outer side of the ejector rod.
Preferably, a pull rod is further arranged between the first template and the second template, annular grooves are formed in the pull rod and located in the left sole cavity and the right sole cavity, the first left upper shoe mold and the first right upper shoe mold are both of a flat plate structure, and forming cavities are formed in the second left upper shoe mold and the second right upper shoe mold.
Preferably, the vertical device of moulding plastics includes barrel, screw rod, first motor, feeder hopper and second extensible member, the screw rod is located the inboard of barrel, the feeder hopper is located the top side of barrel and switches on with it, the top of barrel is installed to first motor, the bottom of barrel can cooperate with first upper left shoe mould, second upper left shoe mould, first upper right shoe mould or second upper right shoe mould, the second extensible member is installed in the frame, its lower extreme and barrel fixed connection.
Preferably, the power mechanism comprises a rotating cover, a driving wheel, a grooved wheel and a second motor, the grooved wheel is fixedly connected with the rotating cover through a connecting shaft and is rotatably connected with the rotating frame, the driving wheel is rotatably mounted on the rotating frame, an output shaft of the second motor is fixedly connected with the driving wheel, the rotating cover is located on the outer side of the rotating frame, a support is fixedly connected between the first template and the second template, and one end of the support is rotatably connected with the rotating cover.
Preferably, the one end that the support passed the rotation cover is provided with the swing span, the rotation is connected with two second pulleys on the swing span, two the second pulley is pushed down and is made first template and second template be in the horizontality by the neighboring of swing span, actuating mechanism includes the dog and is located the notch on the swing span, the both sides of dog have the inclined plane, and its lowest department is less than the neighboring of swing span, the dog passes through dead lever and swing span fixed connection, be formed with the slide of falling Y between notch and the dog, be provided with on the ring rail and dodge groove and chute.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up first station, second station, third station and fourth station, four stations can the simultaneous working, just can the shaping double-colored sole in the unit operating time of every station to realize automatic blanking, need not the manual work and get the material, both improved the production efficiency of equipment, also reduced the potential safety hazard of operation simultaneously.
2. Double-colored sole is injection moulding insole earlier, and then with wear-resisting sole raw materials mould plastics to the shaping chamber in, so shaping play the outsole, improved traditional insole and outsole and need the method of secondary cross-linking foaming shaping, the insole bonds more firmly with the outsole, and anti tear performance is better, and equipment energy loss is little.
Drawings
FIG. 1 is a schematic structural view of a double-color high-elastic wear-resistant sole according to the present invention;
FIG. 2 is a schematic structural view of a double-color high-elastic wear-resistant sole production device of the invention;
FIG. 3 is a schematic view of the apparatus of the present invention in a first station;
FIG. 4 is a schematic view of the apparatus of the present invention in a second station;
FIG. 5 is a schematic view showing the installation structure of the lower shoe mold, the support frame, the swing frame and the rotating cover according to the present invention;
FIG. 6 is a schematic structural view of a turret and a driving mechanism according to the present invention;
FIG. 7 is a schematic view of the pressing device and the first left upper shoe mold according to the present invention;
FIG. 8 is a schematic view showing the structure of a second left upper shoe mold according to the present invention;
FIG. 9 is an exploded view of the lower shoe mold of the present invention;
FIG. 10 is a circular guide of the lower shoe mold in the present invention;
reference numerals: 1. a midsole; 2. connecting columns; 3. a outsole; 4. a first station; 5. a shoe mold is put down; 6. an annular guide rail; 7. a second station; 8. a second left upper shoe mold; 9. a third station; 10. a first right upper shoe mold; 11. a pressing device; 12. a vertical injection molding device; 13. a frame; 14. a second right upper shoe mold; 15. a fourth station; 16. a rotating cover; 17. a first left upper shoe mold; 18. a fixing plate; 19. a limit bolt; 20. a feed hopper; 21. a second telescoping member; 22. a first telescoping member; 23. a barrel; 24. a first template; 25. a second template; 26. a swing frame; 27. a second pulley; 28. a first pulley; 29. a support; 30. a first motor; 31. a second motor; 32. a drive wheel; 33. a connecting shaft; 34. a grooved wheel; 35. a rotating frame; 36. a slideway; 37. grooving; 38. a stopper; 39. a top rod; 40. a molding cavity; 41. a first spring; 42. a pull rod; 43. a convex ring; 44. a telescopic rod; 45. a charging chute; 46. an avoidance groove; 47. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-10, a process for preparing a double-color high-elasticity wear-resistant sole comprises the following steps:
s1: adopt lower shoe mold 5 that has left sole chamber and right sole chamber to left sole chamber is at the state under last, right sole chamber and the 17 compound dies of first upper left shoe mold in first station 4, makes left foot insole 1 after the die sinking with elasticity sole raw materials injection moulding afterwards, and wherein elasticity sole raw materials include according to part by weight: 100-150 parts of EVA; 2-5 parts of zinc oxide; 15-18 parts of a foaming agent; 25-30 parts of polyvinyl chloride; 15-18 parts of butadiene rubber; 3-5 parts of thermoplastic polyamide; 8-10 parts of silica gel, 10-15 parts of ethylene propylene diene monomer and 3-6 parts of zinc oxide;
s2: move lower shoe mold 5 horizontal rotation 90 to second station 7, with 8 compound dies of upper left shoe mold of second, later with wear-resisting sole raw materials injection moulding, make the left foot outsole 3 of cladding on 1 surface in left foot insole after the die sinking, wherein wear-resisting sole raw materials include according to part by weight: 30-40 parts of butadiene rubber, 10-15 parts of nitrile rubber, 3-5 parts of zinc oxide, 2-3 parts of stearic acid, 1-2 parts of accelerator, 1-2 parts of anti-aging agent and 2-3 parts of dispersant;
s3: horizontally rotating the lower shoe mold 5 by 90 degrees to move to a third station 9, vertically turning the lower shoe mold 5 by 180 degrees at the center of the lower shoe mold in the process, keeping the state that the right sole cavity is arranged above and the left sole cavity is arranged below, then closing the lower shoe mold and the first right upper shoe mold 10, ejecting the left insole 1 and the left outsole 3 from the left sole cavity, then performing injection molding on the elastic sole raw material, and opening the mold to obtain the right insole 1;
s4: horizontally rotating the lower shoe mold 5 by 90 degrees to move to a fourth station 15, closing the lower shoe mold and a second right upper shoe mold 14, then performing injection molding on the wear-resistant sole raw material, and opening the mold to obtain a right foot outsole 3 coated on the surface of the right foot insole 1;
s5: horizontally rotating the lower shoe mold 5 by 90 degrees and moving to a first station 4, wherein the lower shoe mold 5 vertically overturns 180 degrees at the center thereof in the process, keeping the left sole cavity in the upper state and the right sole cavity in the lower state, then closing the mold with the first left upper shoe mold 17, and ejecting the right insole 1 and the right outsole 3 from the left sole cavity;
s6: repeating the steps S1, S2, S3, S4 and S5; so as to realize continuous production, cool the prepared double-color high-elastic wear-resistant sole, and trim the flash on the surface of the sole to be smooth.
As shown in fig. 1-10, a two-color high-elastic wear-resistant sole production device comprises a rotating frame 35, an annular guide rail 6 is arranged on the outer side of the rotating frame 35, four lower shoe molds 5 are arranged in the annular guide rail 6, each lower shoe mold 5 is composed of a first mold plate 24, a second mold plate 25 and an expansion link 44, a left sole cavity is arranged on the first mold plate 24, a right sole cavity is arranged on the second mold plate 25, the two shoe cavities are mirror images and are connected through bolts, a plurality of expansion links 44 are arranged in the middle of the expansion links 44, a convex ring 43 is arranged in the middle of the expansion links, the two ends of each expansion link extend to the left sole cavity and the right sole cavity, first springs 41 are arranged on the two sides of the convex ring 43, when the expansion links 44 are subjected to the acting force in the left sole cavity, the expansion links move to the right sole cavity and compress one of the first springs 41, and vice versa, in order to enable the lower shoe molds 5 to smoothly slide in the annular guide rail 6, first pulleys 28 are arranged on the two sides of the first mold plates 24 and the second mold plates 25, and the rotating frame 35 is provided with a power mechanism for driving the lower shoe mold 5 to slide along the annular guide rail 6, the power mechanism is composed of a rotating cover 16, a driving wheel 32, a grooved wheel 34 and a second motor 31, the grooved wheel 34 is fixedly connected with the rotating cover 16 through a connecting shaft 33 and is rotatably connected with the rotating frame 35, the driving wheel 32 is rotatably installed on the rotating frame 35, an output shaft of the second motor 31 is fixedly connected with the driving wheel 32, the rotating cover 16 is positioned at the outer side of the rotating frame 35, a bracket 29 is fixedly connected between the first template 24 and the second template 25, one end of the bracket 29 is rotatably connected with the rotating cover 16, when the second motor 31 drives the driving wheel 32 to rotate, the grooved wheel 34 synchronously and intermittently drives the rotating cover 16 to rotate, and the lower shoe mold 5 synchronously slides by means of the bracket 29, because the four lower shoe molds 5 are symmetrically distributed at 90 degrees by taking the annular guide rail 6 as the center, thus forming a first station 4, a second station 7, a third station 9 and a fourth station 15 for producing soles.
The first station 4 and the second station 7 are respectively provided with a first left upper shoe mold 17 and a second left upper shoe mold 8 for sealing a left shoe sole cavity, the third station 9 and the fourth station 15 are respectively provided with a first right upper shoe mold 10 and a second right upper shoe mold 14 for sealing a right shoe sole cavity, the rack 13 is provided with a vertical injection molding device 12 and a rack 13 for driving the first left upper shoe mold 17, the second left upper shoe mold 8, the first right upper shoe mold 10 and the second right upper shoe mold 14 to vertically lift, the vertical injection molding device 12 is composed of a gun barrel 23, a screw rod, a first motor 30, a feed hopper 20 and a second telescopic part 21, the screw rod is positioned at the inner side of the gun barrel 23, the feed hopper 20 is positioned at the top side of the gun barrel 23 and communicated with the gun barrel 23, the first motor 30 is used for installing the top of the gun barrel 23, the bottom of the gun barrel 23 can be matched with the first left upper shoe mold 17, the second upper shoe mold 8, the second upper shoe mold 10 and the second right upper shoe mold 14 through the first left upper shoe mold 1 or the second telescopic part 21, the gun barrel 23 can be installed with the left upper shoe mold 1 and the right shoe mold 14 by means of the gun barrel 1, and the left upper mold 14, and the right shoe mold 14, and the right telescopic part can be driven by the elastic material to be installed after the gun barrel is melted.
Because the first left upper shoe mold 17 and the first right upper shoe mold 10 are both provided with the pressing device 11 for abutting against the telescopic rod 44, the pressing device 11 is composed of the fixed plate 18, the ejector rod 39, the second spring 47 and the limit bolt 19, the ejector rod 39 and the telescopic rod 44 are arranged in one-to-one correspondence, one end of the ejector rod 39 is fixedly connected with the fixed plate 18, the other end of the ejector rod passes through the first left upper shoe mold 17 or the first right upper shoe mold 10, the limit bolt 19 passes through the fixed plate 18 and then is in threaded connection with the first left upper shoe mold 17 or the first right upper shoe mold 10, the second spring 47 is sleeved on the outer side of the ejector rod 39, before the left foot insole 1 and the right foot insole 1 are formed, the gun barrel 23 is driven by the second telescopic piece 21 to move downwards and applies pressure to the fixed plate 18, fixed plate 18 compresses second spring 47 and drives ejector pin 39 and moves down, so can keep with telescopic link 44 with left sole chamber or with the bottom parallel and level in right sole chamber, treat after left foot insole 1 and the shaping of right foot insole 1, barrel 23 resets under the drive of second extensible member 21 earlier, fixed plate 18 also resets automatically under second spring 47's effect, thereby shaping out the through-hole on left foot insole 1 and right foot insole 1, the diameter of through-hole is the same with the diameter of ejector pin 39 and telescopic link 44, because first upper left shoe mold 17 is the plate structure with first upper right shoe mold 10, ejector pin 39 resets earlier, thereby avoid insole 1 after the shaping to glue at first upper left shoe mold 17 and first upper right shoe mold 10.
Secondly, the power mechanism drives the lower shoe mold 5 with the insole 1 to rotate 90 degrees to reach a second station 7 and a fourth station 15, then the first expansion piece 22 drives a second left upper shoe mold 8 and a second right upper shoe mold 14 to be matched with the lower shoe mold 5, since the second left upper shoe mold 8 and the second right upper shoe mold 14 have the molding cavity 40 formed therein, the expansion link 44 is not in contact with the top wall of the molding cavity 40, then the second telescopic part 21 drives the gun barrel 23 to vertically descend to be embedded with the second left upper shoe mold 8 and the second right upper shoe mold 14, and the wear-resistant sole raw material is injected into the forming cavity 40, at this time, the expansion link 44 compresses the first spring 41 under the injection pressure of the molten raw material, so that the wear-resistant sole raw material can be filled into the through hole, thus, the outsole 3 coated on the surface of the insole 1 can be formed, the outsole 3 realizes cross-linking and welding with the insole 1 by depending on melting raw materials, the traditional secondary cross-linking foaming is not needed, the bonding firmness of the two is good, partial raw materials of the outsole 3 form a connecting column 2 in the insole 1, thereby increasing the contact area of the left upper shoe mold and the right upper shoe mold and having better anti-tearing effect, then the first telescopic piece 22 and the second telescopic piece 21 drive the second left upper shoe mold 8, the second right upper shoe mold 14 and the gun barrel 23 to reset, in order to avoid the outsole 3 from being stuck on the second left upper shoe mold 8 and the second right upper shoe mold 14, a pull rod 42 is also arranged between the first template 24 and the second template 25, the pull rod 42 is provided with annular grooves in the left sole cavity and the right sole cavity, which can generate certain pulling force to the middle sole 1, thereby ensuring that the subsequent forming of the second left upper shoe mold 8 and the second right upper shoe mold 14 is not influenced, and when stripping, the pull rod 42 is kept still, and the push rod 39 pushes the telescopic rod 44 to move, so that the bicolor sole can be stripped smoothly.
In addition, a swing frame 26 is arranged at one end of the bracket 29 penetrating through the rotating cover 16, two second pulleys 27 are rotatably connected to the swing frame 26, the two second pulleys 27 are pressed by the peripheral edge of the rotating frame 35 to enable the first template 24 and the second template 25 to be in a horizontal state, a power mechanism drives the lower shoe mold 5 formed with the two-color sole to rotate 90 degrees to reach the first station 4 and the third station 9, in the process, a driving mechanism for driving the lower shoe mold 5 to vertically turn 180 degrees at the central position is further arranged on the rotating frame 35, the driving mechanism consists of a stop block 38 and a groove 37 positioned on the rotating frame 35, two sides of the stop block 38 are provided with inclined surfaces, the lowest position of the stop block is lower than the peripheral edge of the rotating frame 35, the stop block 38 is fixedly connected with the rotating frame 35 through a fixed rod, a reverse Y-shaped slide way 36 is formed between the groove 37 and the stop block 38, when the lower shoe mold 5 rotates, one of the second pulleys 27 contacts with the stopper 38 and slides along the slide rail 36, because the middle of the bracket 29 keeps unchanged in height, the second pulley 27 rises under the action of the inclined surface and rotates the bracket 29, so as to drive the lower shoe mold 5 to vertically turn over for 180 degrees, the annular guide rail 6 is provided with an avoidance groove 46 which can avoid the turning action of the lower shoe mold 5, when the second pulley 27 slides to the middle of the slide rail 36, the second pulley is kept in the groove 37 and does not move, the lower shoe mold 5 continues to rotate so as to enable the other second pulley 27 to be positioned at the front side of the moving direction, when the second pulley 27 is separated from the slide rail 36, the lower shoe mold 5 is turned over, the formed double-color sole is positioned below, the lower shoe mold 5 can continue to be matched with the first upper left shoe mold 17 or the first upper right shoe mold 10 for injection molding of the midsole 1, and during molding, the mandril 39 pushes the telescopic rod 44 to move, so that the double-color sole is ejected, the production equipment designed by the invention can realize synchronous production of four stations, and a double-color sole can be formed between the forming of a single station, thereby realizing continuous production, obviously improving the production efficiency and reducing the potential safety hazard of workers operating equipment.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A preparation process of a double-color high-elastic wear-resistant sole is characterized by comprising the following steps:
s1: adopting a lower shoe mold (5) with a left sole cavity and a right sole cavity, closing the left sole cavity and a first left upper shoe mold (17) in a first station (4) in a state that the left sole cavity is arranged at the upper part and the right sole cavity is arranged at the lower part, then performing injection molding on the elastic sole raw material, and opening the mold to obtain a left insole (1);
s2: horizontally rotating the lower shoe mold (5) by 90 degrees to move to a second station (7), closing the lower shoe mold and a second left upper shoe mold (8), then performing injection molding on the wear-resistant sole raw material, and opening the mold to obtain a left big sole (3) coated on the surface of the left middle sole (1);
s3: horizontally rotating the lower shoe mold (5) by 90 degrees to move to a third station (9), vertically overturning the lower shoe mold (5) by 180 degrees at the center thereof in the process, keeping the state that a right sole cavity is arranged above and a left sole cavity is arranged below, then closing the mold with the first right upper shoe mold (10), ejecting a left insole (1) and a left outsole (3) from the left sole cavity, then performing injection molding on the elastic sole raw material, and opening the mold to obtain the right insole (1);
s4: horizontally rotating the lower shoe mold (5) by 90 degrees to move to a fourth station (15), closing the lower shoe mold and a second right upper shoe mold (14), then performing injection molding on the wear-resistant sole raw material, and opening the mold to obtain a right foot outsole (3) coated on the surface of the right foot insole (1);
s5: horizontally rotating the lower shoe mold (5) by 90 degrees and moving the lower shoe mold to a first station (4), vertically turning the lower shoe mold (5) by 180 degrees at the center of the lower shoe mold, keeping the left sole cavity in a state of being positioned above and the right sole cavity in a downward state, then closing the lower shoe mold with the first left upper shoe mold (17), and ejecting the right insole (1) and the right outsole (3) from the left sole cavity;
s6: and (5) repeating the steps S1, S2, S3, S4 and S5 to realize continuous production, cooling the prepared double-color high-elasticity wear-resistant sole, and trimming the burr on the surface of the sole.
2. The preparation process of the double-color high-elasticity wear-resistant sole according to claim 1, wherein the elastic sole comprises the following raw materials in parts by weight: 100-150 parts of EVA; 2-5 parts of zinc oxide; 15-18 parts of a foaming agent; 25-30 parts of polyvinyl chloride; 15-18 parts of butadiene rubber; 3-5 parts of thermoplastic polyamide; 8-10 parts of silica gel, 10-15 parts of ethylene propylene diene monomer and 3-6 parts of zinc oxide.
3. The preparation process of the double-color high-elasticity wear-resistant sole according to claim 2, wherein the wear-resistant sole comprises the following raw materials in parts by weight: 30-40 parts of butadiene rubber, 10-15 parts of nitrile rubber, 3-5 parts of zinc oxide, 2-3 parts of stearic acid, 1-2 parts of accelerator, 1-2 parts of anti-aging agent and 2-3 parts of dispersant.
4. The utility model provides a wear-resisting sole production facility of double-colored high-elastic, includes rotating turret (35), its characterized in that, the outside of rotating turret (35) is provided with annular guide (6), it is provided with four lower shoe mold (5), four to slide in annular guide (6) lower shoe mold (5) use annular guide (6) to distribute according to 90 degrees symmetric distribution as the center down, and form first station (4), second station (7), third station (9) and fourth station (15), lower shoe mold (5) have left sole chamber and right sole chamber, be provided with under the drive shoe mold (5) along gliding power unit of annular guide (6) on rotating turret (35), and still be provided with on rotating turret (35) under the drive shoe mold (5) with 180 degrees of its central point position vertical upset, actuating mechanism is located between second station (7) and third station (9), fourth station (15) and first station (4), first station (4) and third station (7) and fourth station (9) are used for the third station (9) and fourth station (15) and first sole cover (15) are used for respectively on the injection molding machine frame (13) and the third station (15) and fourth station (15) and last be provided with first shoe mold (15) respectively, first station (13) and a left side shoe mold cover (15) and a left side cover device (15) are provided with last be provided with the shoe mold (13) respectively A first right upper shoe mold (10) and a second right upper shoe mold (14) of the cavity, and a first telescopic piece (22) for driving the second left upper shoe mold (8), the first right upper shoe mold (10) and the second right upper shoe mold (14) to vertically lift is arranged on the rack (13).
5. The production equipment of the double-color high-elasticity wear-resistant sole according to claim 4, wherein the lower shoe mold (5) comprises a first mold plate (24), a second mold plate (25) and a plurality of telescopic rods (44) arranged between the first mold plate and the second mold plate, the left shoe sole cavity is arranged in the first mold plate (24), the right shoe sole cavity is arranged in the second mold plate (25), a convex ring (43) is arranged in the middle of each telescopic rod (44), two ends of each telescopic rod stretch into the left shoe sole cavity and the right shoe sole cavity, first springs (41) are arranged on two sides of each convex ring (43), pressing devices (11) used for pressing the telescopic rods (44) are arranged on the second upper left shoe mold (8) and the second upper right shoe mold (14), and first pulleys (28) are arranged on two sides of the first mold plate (24) and the second mold plate (25).
6. The production equipment of the bicolor high-elastic wear-resistant sole according to claim 5, wherein the pressing device (11) comprises a fixing plate (18), a push rod (39), a second spring (47) and a limit bolt (19), the push rod (39) and the telescopic rod (44) are arranged in a one-to-one correspondence manner, one end of the push rod is fixedly connected with the fixing plate (18), the other end of the push rod passes through the first left upper shoe mold (17) or the first right upper shoe mold (10), the limit bolt (19) passes through the fixing plate (18) and then is in threaded connection with the first left upper shoe mold (17) or the first right upper shoe mold (10), and the second spring (47) is sleeved on the outer side of the push rod (39).
7. The production equipment for the bicolor high-elastic wear-resistant sole according to claim 5, wherein a pull rod (42) is further arranged between the first template (24) and the second template (25), the pull rod (42) is positioned in the left sole cavity and the right sole cavity and is provided with an annular groove, the first left upper shoe mold (17) and the first right upper shoe mold (10) are both of a flat plate structure, and the second left upper shoe mold (8) and the second right upper shoe mold (14) are provided with forming cavities (40).
8. The production equipment of a double-colored high-elastic wear-resisting sole of claim 4, characterized in that, the vertical device (12) of moulding plastics includes barrel (23), screw rod, first motor (30), feeder hopper (20) and second extensible member (21), the screw rod is located the inboard of barrel (23), feeder hopper (20) are located the top side of barrel (23) and switch on with it, the top of barrel (23) is installed to first motor (30), the bottom of barrel (23) can cooperate with first upper left shoe mould (17), second upper left shoe mould (8), first upper right shoe mould (10) or second upper right shoe mould (14), second extensible member (21) is installed on frame (13), its lower extreme and barrel (23) fixed connection.
9. The production equipment of the bicolor high-elasticity wear-resistant sole according to claim 5, wherein the power mechanism comprises a rotating cover (16), a driving wheel (32), a grooved wheel (34) and a second motor (31), the grooved wheel (34) is fixedly connected with the rotating cover (16) through a connecting shaft (33) and is rotatably connected with a rotating frame (35), the driving wheel (32) is rotatably installed on the rotating frame (35), an output shaft of the second motor (31) is fixedly connected with the driving wheel (32), the rotating cover (16) is positioned on the outer side of the rotating frame (35), a support (29) is fixedly connected between the first template (24) and the second template (25), and one end of the support (29) is rotatably connected with the rotating cover (16).
10. The production equipment of the bicolor high-elastic wear-resistant sole according to claim 9, wherein a swing frame (26) is arranged at one end of the support (29) penetrating through the rotating cover (16), two second pulleys (27) are rotatably connected to the swing frame (26), the two second pulleys (27) are pressed by the peripheral edge of the rotating frame (35) to enable the first template (24) and the second template (25) to be in a horizontal state, the driving mechanism comprises a stop block (38) and a groove (37) formed in the rotating frame (35), the two sides of the stop block (38) are provided with inclined planes, the lowest position of the inclined planes is lower than the peripheral edge of the rotating frame (35), the stop block (38) is fixedly connected with the rotating frame (35) through a fixing rod, a reverse Y-shaped slide way (36) is formed between the groove (37) and the stop block (38), and an avoiding groove (46) and a blanking groove (45) are formed in the annular guide rail (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211003318.6A CN115401852A (en) | 2022-08-19 | 2022-08-19 | Preparation process and production equipment of double-color high-elastic wear-resistant sole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211003318.6A CN115401852A (en) | 2022-08-19 | 2022-08-19 | Preparation process and production equipment of double-color high-elastic wear-resistant sole |
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| Publication Number | Publication Date |
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| CN115401852A true CN115401852A (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211003318.6A Withdrawn CN115401852A (en) | 2022-08-19 | 2022-08-19 | Preparation process and production equipment of double-color high-elastic wear-resistant sole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116766527A (en) * | 2023-08-25 | 2023-09-19 | 晋江一伦科技有限公司 | EVA sole forming device and forming method thereof |
-
2022
- 2022-08-19 CN CN202211003318.6A patent/CN115401852A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116766527A (en) * | 2023-08-25 | 2023-09-19 | 晋江一伦科技有限公司 | EVA sole forming device and forming method thereof |
| CN116766527B (en) * | 2023-08-25 | 2023-10-27 | 晋江一伦科技有限公司 | EVA sole forming device and forming method thereof |
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Application publication date: 20221129 |
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