CN105345986A - Recovering and manufacturing process for polyurethane shoe materials and polyurethane-shoe-material injection-molding feeding mechanism for recovering and manufacturing process - Google Patents
Recovering and manufacturing process for polyurethane shoe materials and polyurethane-shoe-material injection-molding feeding mechanism for recovering and manufacturing process Download PDFInfo
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- CN105345986A CN105345986A CN201510764742.6A CN201510764742A CN105345986A CN 105345986 A CN105345986 A CN 105345986A CN 201510764742 A CN201510764742 A CN 201510764742A CN 105345986 A CN105345986 A CN 105345986A
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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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/20—Injection nozzles
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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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
- B29C45/54—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
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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
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
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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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
- B29C45/54—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
- B29C2045/547—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw continuously rotating plasticising screw cooperating with a single injection plunger
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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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
- B29C45/54—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
- B29C2045/548—Reciprocating plasticising screws
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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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2275/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as reinforcement
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a recovering and manufacturing process for polyurethane shoe materials. The process includes the following steps that firstly, crushing is carried out, specifically, waste polyurethane shoe materials are poured into a strong crusher to be crushed; secondly, stirring is carried out, specifically, waste particle materials are poured into a low-speed heating stirrer, rosin powder and auxiliaries are added and stirred, and polyurethane injection molding materials can be obtained under the condition of stirring for 80-100 minutes at the stirring temperature of 100-110 DEG C; the weight of the rosin powder accounts for 0.8%-1.2% of the total weight, the auxiliaries are dioctyl phthalate, and the weight of the auxiliaries accounts for 1%-1.3% of the total weight; and thirdly, injection molding is carried out, specifically, the polyurethane injection molding materials are subjected to injection molding through a disc injection molding machine, so that the polyurethane shoe materials are obtained. Compared with the prior art, the waste polyurethane shoe materials are completely recycled, resources are effectively utilized, a large number of other auxiliary components are not needed, and the recovery cost is low; the process has the advantages that the recovery cost is low, and recovery products are soft. The invention further discloses a polyurethane-shoe-material injection-molding feeding mechanism used for achieving injection molding of polyurethane.
Description
Technical field
The present invention relates to a kind of manufacture craft, particularly a kind of recovery manufacture craft of polyurethane shoe material, also relate to a kind of injection moulding feed mechanism for polyurethane injection moulding.
Background technology
Polyurethane (English: Polyurethane, is abbreviated as PU) refers to the family macromolecule containing carbamate feature unit in main chain.It employed for more than 30 years in China's shoe-making industry, it is by polyurethane and polyalcohol polyaddition reaction and generating under catalyst and other auxiliary agent exist, shaping goods have the excellent properties such as wear-resisting, heatproof, sealing, sound insulation, good processability, because the mobility of Polyurethane raw material is larger, be in a liquid state shape, cannot directly injection mo(u)lding, can only moulding by casting.
All they can be recycled at the stock producing waste material and the sales process generation produced in polyurethane shoe material process.The recovery method of existing polyurethane shoes material is that polyurethane shoe material waste material is broken, can only add at most the broken material accounting for total amount amount 30% and be added in the TPU of recovery after fragmentation, and being formed can the elastomer of injection moulding.But this kind of recovery method, make the yield of polyurethane shoe material waste material comparatively limited on the one hand, and the price of TPU is costly, causes cost recovery high; Make shaping footwear material amount comparatively hard on the other hand, do not meet the requirement that people are soft to footwear material.In view of above-mentioned two aspects, existing polyurethane shoe material manufacturer does not generally reclaim polyurethane waste material, is directly abandoned by polyurethane waste material to be deposited in outside and to allow himself weathering, and this causes the waste of resource undoubtedly.
In view of this, the present inventor furthers investigate the problems referred to above, then produces in this case.
Summary of the invention
The object of this invention is to provide a kind of recovery manufacture craft of polyurethane shoe material, it can be recycled completely to polyurethane waste material, and resource is utilized effectively, and have cost recovery low, reclaim goods softnesses, toughness, advantage comfortable and easy to wear.
Another object of the present invention is to provide a kind of injection moulding feed mechanism enabling the polyurethane shoe material of recovery be able to the polyurethane shoe material of injection mo(u)lding.
A recovery manufacture craft for polyurethane shoe material, realizes as follows:
One, broken: poured into by polyurethane shoe material waste material in super power crusher broken, fragmentation obtains the granular wastes that its particle diameter is 10-12mm;
Two, stir: poured into by the granular wastes of step one and heat in low-speed mixer, and add colophony powder and auxiliary agent stirs, mixing time is 80-100 minute, and whipping temp is 100-110 DEG C, can obtain polyurethane injection molding material;
In above-mentioned steps two, colophony powder accounts for the 0.8-1.2% of gross weight, and auxiliary agent is dioctyl phthalate, and auxiliary agent accounts for the 1-1.3% of gross weight;
Three, injection moulding: the polyurethane injection molding material of step 2 is carried out injection mo(u)lding by disk injection machine, injection temperature is 160-170 DEG C, final injection mo(u)lding polyurethane shoe material.
The best whipping temp of above-mentioned steps two is 109 DEG C.
The best injection temperature of above-mentioned steps three is 160 DEG C.
A kind of injection moulding feed mechanism of polyurethane shoe material, comprise base and screw rod conveyor, screw rod conveyor comprises mounting blocks, outer cylinder body, conveying screw rod, hopper and material injection nozzle, mounting blocks is arranged on the upper surface of base in a sliding manner, conveying screw rod in a rotating manner accumbency is arranged, and be combined together with mounting blocks in a sliding manner, the glide direction of conveying screw rod is identical with the glide direction of mounting blocks, mounting blocks is provided with and controls the oil motor drive unit that conveying screw rod rotates and the oil cylinder controlling conveying screw rod slip, this outer cylinder body is sheathed on outside conveying screw rod, the first end of outer cylinder body and mounting blocks secure fit, hopper is installed on the end face of outer cylinder body, and the sidewall of outer cylinder body offers the port be connected with the discharging opening of hopper, material injection nozzle is arranged on the second end of conveying screw rod, and the partial portion of material injection nozzle stretches out outside the second end of outer cylinder body, above-mentioned material injection nozzle comprises only expects block, cross barrel, gag lever post, fixed cover and the note mouth that slides, above-mentioned gag lever post is in above-mentioned outer cylinder body, the first end of above-mentioned gag lever post and the second end of above-mentioned conveying screw rod are connected, above-mentioned only material block cover is fixed in outside the first end of above-mentioned gag lever post, above-mentioned barrel of crossing is movably set in outside above-mentioned gag lever post in the mode of sliding along the axis direction of gag lever post, above-mentioned barrel of crossing is in above-mentioned only between material block and the second end end of above-mentioned gag lever post, above-mentioned barrel of crossing coordinates with above-mentioned outer cylinder body is closely connected, above-mentioned stopping expects to have between block and above-mentioned outer cylinder body to have spacing, above-mentioned mistake between barrel and above-mentioned gag lever post has material passing passage, second end end of above-mentioned gag lever post has limit and consolidated barrel and skid off limited block outside gag lever post, above-mentioned limited block coordinates with above-mentioned outer cylinder body is closely connected, above-mentioned only material block is provided with the shutoff ring for this material passing passage of shutoff towards the above-mentioned end face epirelief crossing barrel, above-mentioned limited block has the tapping channel be connected with material passing passage, above-mentioned fixed cover is arranged on the second end port of outer sleeve, the Packed material stock space of tool between above-mentioned fixed cover and above-mentioned limited block, above-mentioned slip note mouth is installed in fixed cover in a sliding manner, and the first end of above-mentioned slip note mouth can skid off outside fixed cover in material stock space, the first end end face of above-mentioned slip note mouth is closed, above-mentioned slip note mouth and fixed cover are sealed and matched, material feeding passage is provided with in above-mentioned slip note mouth, the first end lateral wall of above-mentioned slip note mouth offers the charging hole be connected with material feeding passage, second end of above-mentioned slip note mouth stretches out outside above-mentioned fixed cover, and be in outside the second end of above-mentioned outer cylinder body.
With the throughput direction of conveying screw rod for left and right directions, above-mentioned gag lever post has external thread section, polished rod section and conehead section, above-mentioned polished rod section is between above-mentioned external thread section and above-mentioned conehead section, above-mentioned only material block and above-mentioned barrel of crossing all are sheathed on outside above-mentioned polished rod section, above-mentioned only material block overlaps solid cooperation with above-mentioned polished rod section, above-mentioned barrel and above-mentioned polished rod section activity fit excessively, and above-mentioned mistake between barrel and above-mentioned polished rod section has spacing, this spacing is above-mentioned material passing passage, the right-hand member end of above-mentioned conveying screw rod is arranged with installation cavity, the chamber wall of above-mentioned installation cavity is provided with internal thread, together with above-mentioned external thread section is screwed on installation cavity, and the end lateral wall that is connected with above-mentioned external thread section of above-mentioned polished rod section is convexly equipped with the closed-loop shaped bulge loop be in outside conveying screw rod, above-mentioned only material block and above-mentioned barrel of crossing are between above-mentioned closed-loop shaped bulge loop and above-mentioned conehead section, above-mentioned conehead section is the conical structure of convergent from left to right, the left end of above-mentioned conehead section coordinates with above-mentioned outer cylinder body is closely connected, the left end lateral wall of above-mentioned conehead section is arranged with several depressions be all connected with material passing passage, each depression is spaced apart along the circumferencial direction of conehead section, each depression forms above-mentioned tapping channel.
Above-mentioned fixed cover is hollow circuit cylinder body structure, and the left end end of above-mentioned fixed cover is extended with the undergauge external thread section stretched in above-mentioned outer cylinder body right-hand member port; Above-mentioned slip note mouth is cylindrical-shaped structure, and above-mentioned material feeding passage is extended along the axial direction of the note mouth that slides, and the right-hand member end of material feeding passage passes to outside the right-hand member end face of slip note mouth.
Have loudspeaker section and column section in above-mentioned fixed cover, above-mentioned loudspeaker section is in the left side of above-mentioned column section, and above-mentioned slip is noted tight-lipped cooperation and is in above-mentioned column section, and above-mentioned loudspeaker section is in convergent setting from left to right.
The end, one end of above-mentioned slip note mouth has and is in above-mentioned loudspeaker section, and seal the spacing head of column section.
After adopting technique scheme, the recovery manufacture craft of a kind of polyurethane shoe material of the present invention, the mode operated by agitating heating can make dioctyl phthalate be adsorbed on completely on polyurethane, and the moisture of polyurethane can be evaporated, obtain dry particle regenerant, transhipment to regenerant when facilitating workman's injection moulding, utilize the characteristic of dioctyl phthalate can increase on the one hand the pliability of polyurethane shoe material after injection mo(u)lding simultaneously, can prevent the colophony powder added from having occurred the phenomenon that sticks together on the other hand, play peptizaiton, and can prevent polyurethane waste material in stirring and heating course from being dryouied, polyurethane is reclaimed completely, yield is large, without the need to using other auxiliary ingredients in a large number, cost recovery is lower, meanwhile, utilize colophony powder can make the surface-brightening of injection-molded item, make polyurethane shoe material forming product seem that class is high.
After adopting technique scheme, the injection moulding feed mechanism of a kind of polyurethane shoe material of the present invention, during use, polyurethane materials polyurethane materials when conveying screw rod is delivered to material injection nozzle place stores to material stock space through material passing passage, during injection moulding, mount pad is to injection mold direction running, along with the traveling of mounting blocks, slip note the second end of mouth and the lateral wall of injection mold are fended off, conveying screw rod machine continues to travel, slide note mouth by the reaction force of injection mold to the movement of conveying screw rod direction, along with the movement of the note mouth that slides, the charging hole noting mouth that slides is released, mount pad stops, afterwards, oil cylinder pushing conveying screw rod moves to injection mold direction, material stock space diminishes, material in material stock space be squeezed a part successively through charging hole and material feeding passage in injection mold, another part can to the direction reverse flow away from injection mold, the reverse flow of material promoted barrel to only expecting that Block direction moves, the movement of crossing barrel makes the shutoff ring of only material block stretch in material passing passage, material passing passage is by shutoff, the polyurethane materials of flowing cannot be back in conveying screw rod, the injection moulding chamber of injection mold is made by material in material stock space completely, to complete the injection mo(u)lding of polyurethane materials, avoid the polyurethane materials of tradition flowing can be back to conveying screw rod place cause the injection moulding chamber of injection mold to make and then to cause cannot the problem of injection mo(u)lding, and there is simple structure, the advantage that injection operation mode is constant.
Accompanying drawing explanation
Fig. 1 is the structural representation of injection moulding feed mechanism of the present invention;
Fig. 2 is another structural representation (omission hopper) of injection moulding feed mechanism of the present invention;
Fig. 3 is the partial exploded view of material injection nozzle in the present invention;
Fig. 4 is the partial assembly drawing of material injection nozzle in the present invention;
Fig. 5 is the partial assembly drawing of another state of material injection nozzle in the present invention.
Detailed description of the invention
The recovery manufacture craft of a kind of polyurethane shoe material of the present invention, realizes as follows:
One, broken: poured into by polyurethane shoe material waste material in super power crusher broken, fragmentation obtains the granular wastes that its particle diameter is 10-12mm, and the optimum grain-diameter of this granular wastes is 10mm;
Two, stir: the granular wastes of step one is poured into and heats in low-speed mixer, and adding colophony powder and auxiliary agent stirs, mixing time is 80-100 minute, and whipping temp is 100-110 DEG C, this optimum temperature stirred is 109 DEG C, can obtain polyurethane injection molding material; Wherein, stir Best Times be 100 minutes, stirs after 100 minutes with hand grab stir material have harsh feeling, drying, without moisture;
Three, injection moulding: the polyurethane injection molding material of step 2 is carried out injection mo(u)lding by disk injection machine, injection temperature is 160-170 DEG C, and injection moulding optimum temperature is 160 DEG C, finally obtains injection mo(u)lding polyurethane shoe material.
In step 2, colophony powder accounts for the 0.8-1.2% of gross weight, and preferably colophony powder accounts for 0.8% of gross weight, and auxiliary agent is dioctyl phthalate, and auxiliary agent accounts for the 1-1.3% of gross weight, and preferably dioctyl phthalate accounts for 1.2% of gross weight.
In the present invention, expect to need director's mixing time, until without moisture when also having a small amount of moisture if stir stirring after 100 minutes.
The recovery manufacture craft of a kind of polyurethane shoe material of the present invention, the mode operated by agitating heating can make dioctyl phthalate be adsorbed on completely on polyurethane, and the moisture of polyurethane can be evaporated, obtain dry particle regenerant, transhipment to regenerant when facilitating workman's injection moulding, utilize the characteristic of dioctyl phthalate can increase on the one hand the pliability of polyurethane shoe material after injection mo(u)lding simultaneously, can prevent the colophony powder added from having occurred the phenomenon that sticks together on the other hand, play peptizaiton, and can prevent polyurethane waste material in stirring and heating course from being dryouied, polyurethane is reclaimed completely, yield is large, without the need to using other auxiliary ingredients in a large number, cost recovery is lower, meanwhile, utilize colophony powder can make injection-molded item surface-brightening, make polyurethane shoe material forming product seem that class is high.
The injection moulding feed mechanism of a kind of polyurethane shoe material of the present invention, as Figure 1-5, comprise base 1 and screw rod conveyor, screw rod conveyor comprises mounting blocks 2, outer cylinder body 3, conveying screw rod 4, hopper 5 and material injection nozzle, mounting blocks 2 by slide block 21 and pulley 11 coordinate be slidably mounted on base 1 upper surface on, base 1 is provided with the sliding driving device (not shown) controlling mounting blocks 2 and slide, this sliding driving device is oil cylinder, with the glide direction of mounting blocks 2 for left and right directions, conveying screw rod 4 is accumbency setting in left-right direction in a rotating manner, namely the left end of conveying screw rod 4 is pivotally arranged in mounting blocks 2, and be connected with the mode in the direction that horizontally slips and mounting blocks 2, the rotation of this conveying screw rod 4 mounting means slided is known technology, be not repeated at this, mounting blocks 2 is provided with and controls the oil motor drive unit (not shown) that conveying screw rod 4 rotates and the oil cylinder 100 controlling conveying screw rod slip, this outer cylinder body 3 is sheathed on outside conveying screw rod 4, left end end and the mounting blocks 2 of outer cylinder body 3 lock and connect, hopper 5 locking is installed on the end face of outer cylinder body 3, and the sidewall of outer cylinder body 3 offers the port 31 be connected with the discharging opening of hopper 5, material injection nozzle is arranged on the second end of conveying screw rod 4, and the partial portion of material injection nozzle stretches out outside the second end of outer cylinder body 3.Injection moulding feed mechanism of the present invention, except material injection nozzle, its structure making each parts is identical with principle with the structure of the injection moulding feed mechanism of disk injection machine with principle, is not repeated at this.
Innovation of the present invention is: described material injection nozzle comprise only material block 61, cross barrel 62, gag lever post 63, fixed cover 64 and the note mouth 65 that slides, the left end of gag lever post 63 and the right-hand member of conveying screw rod 4 lock and connect, only material block 61 cover is fixed in outside the first end of gag lever post 63, crossing barrel 62 is movably set in outside gag lever post 63 in the mode of sliding along the axis direction of gag lever post 63, and the second end place of gag lever post 63 has limit and consolidated barrel 62 and skid off limited block outside gag lever post 63, preferably: gag lever post 63 has external thread section 631, polished rod section 632 and conehead section 633, external thread section 631 is in left section, polished rod section 632 section of mediating, conehead section 633 is in right section, the right-hand member end of conveying screw rod 4 is arranged with installation cavity, the chamber wall installing cavity is provided with internal thread, it is interior together with installing cavity and being screwed on that external thread section 631 stretches into installation cavity, and the lateral wall of polished rod section 632 is positioned at the end that thread segment 631 is connected in addition and is convexly equipped with the closed-loop shaped bulge loop 632a be in outside conveying screw rod 4, utilize this closed-loop shaped bulge loop 632a can play position-limiting action to the installation that screws togather of conveying screw rod 4 and external thread section 631.
Described conehead section 633 is the conical structure of convergent from left to right, the external diameter of conehead section 633 left end end was greater than the internal diameter of barrel 62, this conehead section 633 is described limited block, together with the left end end of conehead section 633 closely cooperates with outer cylinder body 3, only expect block 61 and cross barrel 62 to be all set in outside polished rod section 632, only material block 61 and polished rod section 632 overlap solid cooperation, only expect, between the lateral wall of block 61 and the madial wall of outer cylinder body 3, there is spacing, crossing barrel 62 is movably set in outside polished rod section 632, and excessively there is between barrel 62 and polished rod section 632 its left side, the material passing passage of right both ends open shape, the material of conveying screw rod 4 can flow in material passing passage through the spacing only between material block 61 and outer cylinder body 3, only the right-hand member end face of material block 61 is convexly equipped with the shutoff ring 611 for shutoff material passing passage left end port to the right, conehead section 633 has the tapping channel be connected with the right-hand member end of material passing passage, the thickness of shutoff ring 611 and the width crossing spacing between barrel 62 and polished rod section 632 match, the left end lateral wall of conehead section 633 is arranged with the depression 633a that several are all connected with the second spacing, each depression 633a is spaced apart along the circumferencial direction of conehead section 633, the tapping channel described in each depression 633a is formed.
Described fixed cover 64 shutoff is arranged on the right-hand member port of outer sleeve 3, there is between fixed cover 64 and conehead section 633 material stock space, preferably: fixed cover 64 is in hollow circuit cylinder body structure, fixed cover 64 is in outside the right-hand member of outer sleeve 3, the left end end of fixed cover 64 is extended with the undergauge external thread section 641 stretched in outer cylinder body 3 right-hand member port, the right-hand member port madial wall of outer cylinder body 3 is provided with the internal thread be screwed with the external screw thread of undergauge external thread section 641, and what utilize internal and external threads screws togather the installation that can realize fixed cover 64.Described slip note mouth 65 is installed in the hollow chamber of fixed cover 64 in a sliding manner, slide note mouth 65 in cylindrical-shaped structure, and the lateral wall of the note mouth 65 that slides coordinates with the madial wall of fixed cover 64 is closely connected, and the left end of the note mouth 65 that slides can skid off outside the left end port of fixed cover 64, the left end end face of this slip note mouth 65 is closed, seal cavity is formed between the left end end of this note mouth 65 that slides and conehead section 633, this seal cavity is described material stock space, slide to note in mouth 65 and be provided with material feeding passage 651, material feeding passage 651 is extended along the axial direction of the note mouth 65 that slides, the right-hand member end of material feeding passage 651 passes to slides outside the right-hand member end face of note mouth 65, the left end lateral wall of slip note mouth 65 offers the charging hole 652 be connected with material feeding passage 651, the right-hand member end of slip note mouth 65 is stretched out outside fixed cover 64, and be in outside the right-hand member of outer cylinder body 3.
The injection moulding feed mechanism of a kind of polyurethane shoe material of the present invention, often add in polyurethane materials in hopper 5 during use, polyurethane materials in hopper 5 is in port 31 to the conveying screw rod 4 of outer cylinder body 3, rotation polyurethane materials along with conveying screw rod 4 can pass over only material block 61, and store in the material stock space that the material passing passage at barrel 62 place and the depression 633a of conehead section 633 are delivered between conehead section 633 and fixed cover 64 left end successively, when the weight of material in material stock space is when the material of heavy burder required in injection mold, stop feeding, conveying screw rod 4 quits work, mount pad 2 slides to the right, along with the right cunning of mount pad 2, slide and expect that the right-hand member end of mouth 65 can contact with the sidewall of the injection mold of disk injection machine, now again with the right cunning of mount pad 2, the material mouth 65 that slides slides left by the reaction force of injection mold, sliding, it is outer in material stock space to expect that the left cunning of mouth 65 makes the left end of slip material mouth 65 skid off fixed cover 64, slide and expect that the charging hole 652 of mouth 65 is out exposed, now oil cylinder 100 promotes conveying screw rod 4 and slides to the right, moving to right of conveying screw rod 4, memory space diminishes, polyurethane materials in memory space is squeezed, an extruded polyurethane materials part is successively through charging hole 652 and injection channel 651 to injection mold, another part can reverse flow left, the polyurethane materials of reverse flow promoted barrel 62 and moved to left, cross moving to left of barrel 62 the envelope material ring 611 of only material block 61 can be made to stretch into closed-loop shaped bulge loop 632a and cross in the first spacing between barrel 62, first spacing is by shutoff, now the polyurethane materials of reverse flow by shutoff all the time in material stock space, can not be back in conveying screw rod 4, after material feeding completes, the left end of the material mouth 65 that slides also can push back in fixed cover 64 to the right by moving to right of conveying screw rod 4, and charging hole 652 cover 64 that is again fixed stashes, and the right-hand member of the material mouth 65 that slides recovers back original state, in like manner, next time during injection moulding, along with the feeding of conveying screw rod 4, polyurethane materials can promote barrel 62 and move right, and cross barrel 62 and only expect that block 61 is separated, the first spacing conducting, polyurethane materials can flow in memory space again.
Compared with prior art, the injection moulding feed mechanism of polyurethane shoe material of the present invention, only block 61 salable material passing passage is expected during its slip material injection nozzle 65 pairs of injection mold injection moulding, in order to avoid polyurethane materials is back to conveying screw rod place, the injection moulding chamber of injection mold is made by material in material stock space completely, to complete the injection mo(u)lding of polyurethane materials, avoid the polyurethane materials of tradition flowing can be back to conveying screw rod place cause the injection moulding chamber of injection mold to make and then to cause cannot the problem of injection mo(u)lding; And original injection operation mode can be kept, there is simple structure, easy to operate advantage.
In the present invention, there is in the right-hand member of this fixed cover 64 loudspeaker section and column section, loudspeaker section is in left side, column section is in right side, note mouth 65 tight fit of sliding is in column section, and loudspeaker section is convergent setting from left to right, simultaneously, the left end end of slip note mouth 65 has and is in loudspeaker section, and seal spacing 653 of column section; Like this, slide note mouth 65 when sliding left, can be exposed when the material hole 652 of the note mouth 65 that slides slides into loudspeaker section, without the need to sliding out outside fixed cover 64, can quick material feeding, injection time is short; Can strengthen by spacing 653 1 aspects slide note mouth 65 and the sealing effectiveness of column section simultaneously, can anti-sliding stop note mouth 65 entirety skid off outside the right-hand member of fixed cover 64 on the other hand.
The injection moulding feed mechanism of a kind of polyurethane shoe material of the present invention, adopt material injection nozzle of the present invention just can realize the mode molded polyurethanes injection moulded shoes material of polyurethane reclaimed materials employing injection moulding just, break polyurethane and only had that to adopt the shaping and conventional injection molding machine of pouring type can only produce PVC be main footwear material, cannot produce PU is main footwear material, polyurethane shoe material after recovery is utilized, turns waste into wealth.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.
Claims (8)
1. a recovery manufacture craft for polyurethane shoe material, is characterized in that, realizes as follows:
One, broken: poured into by polyurethane shoe material waste material in super power crusher broken, fragmentation obtains the granular wastes that its particle diameter is 10-12mm;
Two, stir: poured into by the granular wastes of step one and heat in low-speed mixer, and add colophony powder and auxiliary agent stirs, mixing time is 80-100 minute, and whipping temp is 100-110 DEG C, can obtain polyurethane injection molding material;
In above-mentioned steps two, colophony powder accounts for the 0.8-1.2% of gross weight, and auxiliary agent is dioctyl phthalate, and auxiliary agent accounts for the 1-1.3% of gross weight;
Three, injection moulding: the polyurethane injection molding material of step 2 is carried out injection mo(u)lding by disk injection machine, injection temperature is 160-170 DEG C, final injection mo(u)lding polyurethane shoe material.
2. the recovery manufacture craft of a kind of polyurethane shoe material according to claim 1, is characterized in that: the best whipping temp of above-mentioned steps two is 109 DEG C.
3. the recovery manufacture craft of a kind of polyurethane shoe material according to claim 1, is characterized in that: the best injection temperature of above-mentioned steps three is 160 DEG C.
4. the injection moulding feed mechanism of a polyurethane shoe material, comprise base and screw rod conveyor, screw rod conveyor comprises mounting blocks, outer cylinder body, conveying screw rod, hopper and material injection nozzle, mounting blocks is arranged on the upper surface of base in a sliding manner, conveying screw rod in a rotating manner accumbency is arranged, and be combined together with mounting blocks in a sliding manner, the glide direction of conveying screw rod is identical with the glide direction of mounting blocks, mounting blocks is provided with and controls the oil motor drive unit that conveying screw rod rotates and the oil cylinder controlling conveying screw rod slip, this outer cylinder body is sheathed on outside conveying screw rod, the first end of outer cylinder body and mounting blocks secure fit, hopper is installed on the end face of outer cylinder body, and the sidewall of outer cylinder body offers the port be connected with the discharging opening of hopper, material injection nozzle is arranged on the second end of conveying screw rod, and the partial portion of material injection nozzle stretches out outside the second end of outer cylinder body, it is characterized in that: above-mentioned material injection nozzle comprises only expects block, cross barrel, gag lever post, fixed cover and the note mouth that slides, above-mentioned gag lever post is in above-mentioned outer cylinder body, the first end of above-mentioned gag lever post and the second end of above-mentioned conveying screw rod are connected, above-mentioned only material block cover is fixed in outside the first end of above-mentioned gag lever post, above-mentioned barrel of crossing is movably set in outside above-mentioned gag lever post in the mode of sliding along the axis direction of gag lever post, above-mentioned barrel of crossing is in above-mentioned only between material block and the second end end of above-mentioned gag lever post, above-mentioned barrel of crossing coordinates with above-mentioned outer cylinder body is closely connected, above-mentioned stopping expects to have between block and above-mentioned outer cylinder body to have spacing, above-mentioned mistake between barrel and above-mentioned gag lever post has material passing passage, second end end of above-mentioned gag lever post has limit and consolidated barrel and skid off limited block outside gag lever post, above-mentioned limited block coordinates with above-mentioned outer cylinder body is closely connected, above-mentioned only material block is provided with the shutoff ring for this material passing passage of shutoff towards the above-mentioned end face epirelief crossing barrel, above-mentioned limited block has the tapping channel be connected with material passing passage, above-mentioned fixed cover is arranged on the second end port of outer sleeve, the Packed material stock space of tool between above-mentioned fixed cover and above-mentioned limited block, above-mentioned slip note mouth is installed in fixed cover in a sliding manner, and the first end of above-mentioned slip note mouth can skid off outside fixed cover in material stock space, the first end end face of above-mentioned slip note mouth is closed, above-mentioned slip note mouth and fixed cover are sealed and matched, material feeding passage is provided with in above-mentioned slip note mouth, the first end lateral wall of above-mentioned slip note mouth offers the charging hole be connected with material feeding passage, second end of above-mentioned slip note mouth stretches out outside above-mentioned fixed cover, and be in outside the second end of above-mentioned outer cylinder body.
5. the injection moulding feed mechanism of polyurethane shoe material according to claim 4, it is characterized in that: with the throughput direction of conveying screw rod for left and right directions, above-mentioned gag lever post has external thread section, polished rod section and conehead section, above-mentioned polished rod section is between above-mentioned external thread section and above-mentioned conehead section, above-mentioned only material block and above-mentioned barrel of crossing all are sheathed on outside above-mentioned polished rod section, above-mentioned only material block overlaps solid cooperation with above-mentioned polished rod section, above-mentioned barrel and above-mentioned polished rod section activity fit excessively, and above-mentioned mistake between barrel and above-mentioned polished rod section has spacing, this spacing is above-mentioned material passing passage, the right-hand member end of above-mentioned conveying screw rod is arranged with installation cavity, the chamber wall of above-mentioned installation cavity is provided with internal thread, together with above-mentioned external thread section is screwed on installation cavity, and the end lateral wall that is connected with above-mentioned external thread section of above-mentioned polished rod section is convexly equipped with the closed-loop shaped bulge loop be in outside conveying screw rod, above-mentioned only material block and above-mentioned barrel of crossing are between above-mentioned closed-loop shaped bulge loop and above-mentioned conehead section, above-mentioned conehead section is the conical structure of convergent from left to right, the left end of above-mentioned conehead section coordinates with above-mentioned outer cylinder body is closely connected, the left end lateral wall of above-mentioned conehead section is arranged with several depressions be all connected with material passing passage, each depression is spaced apart along the circumferencial direction of conehead section, each depression forms above-mentioned tapping channel.
6. the injection moulding feed mechanism of polyurethane shoe material according to claim 4, is characterized in that: above-mentioned fixed cover is hollow circuit cylinder body structure, and the left end end of above-mentioned fixed cover is extended with the undergauge external thread section stretched in above-mentioned outer cylinder body right-hand member port; Above-mentioned slip note mouth is cylindrical-shaped structure, and above-mentioned material feeding passage is extended along the axial direction of the note mouth that slides, and the right-hand member end of material feeding passage passes to outside the right-hand member end face of slip note mouth.
7. the injection moulding feed mechanism of polyurethane shoe material according to claim 5, it is characterized in that: there is in above-mentioned fixed cover loudspeaker section and column section, above-mentioned loudspeaker section is in the left side of above-mentioned column section, above-mentioned slip is noted tight-lipped cooperation and is in above-mentioned column section, and above-mentioned loudspeaker section is in convergent setting from left to right.
8. the injection moulding feed mechanism of polyurethane shoe material according to claim 7, is characterized in that: the end, one end of above-mentioned slip note mouth has and is in above-mentioned loudspeaker section, and seal the spacing head of column section.
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| CN201510764742.6A CN105345986B (en) | 2015-11-11 | 2015-11-11 | The injection feed mechanism of polyurethane footwear material |
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| CN201510764742.6A CN105345986B (en) | 2015-11-11 | 2015-11-11 | The injection feed mechanism of polyurethane footwear material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415181A (en) * | 2017-05-31 | 2017-12-01 | 杨海波 | Miniature injection machine |
| CN111251638A (en) * | 2020-01-20 | 2020-06-09 | 胡海兵 | Manufacturing process for manufacturing shoe material product by using industrial waste |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1560104A (en) * | 2004-02-17 | 2005-01-05 | 上海联景聚氨酯科技发展有限公司 | Production of dry type binary liquid shape polyaminoester (pu) resin by waste polyaminoester (pu)resin sole |
| CN101588908A (en) * | 2006-10-23 | 2009-11-25 | 翰度铁钢有限公司 | Nozzle assembly for injector |
| CN104448775A (en) * | 2014-11-24 | 2015-03-25 | 晋江市闽高纺织科技有限公司 | Polyurethane composite material regenerated from waste polyurethane soles and preparation process thereof |
| CN204725768U (en) * | 2015-06-19 | 2015-10-28 | 谢建华 | A kind of novel feeding machanism |
-
2015
- 2015-11-11 CN CN201510764742.6A patent/CN105345986B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1560104A (en) * | 2004-02-17 | 2005-01-05 | 上海联景聚氨酯科技发展有限公司 | Production of dry type binary liquid shape polyaminoester (pu) resin by waste polyaminoester (pu)resin sole |
| CN101588908A (en) * | 2006-10-23 | 2009-11-25 | 翰度铁钢有限公司 | Nozzle assembly for injector |
| CN104448775A (en) * | 2014-11-24 | 2015-03-25 | 晋江市闽高纺织科技有限公司 | Polyurethane composite material regenerated from waste polyurethane soles and preparation process thereof |
| CN204725768U (en) * | 2015-06-19 | 2015-10-28 | 谢建华 | A kind of novel feeding machanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415181A (en) * | 2017-05-31 | 2017-12-01 | 杨海波 | Miniature injection machine |
| CN111251638A (en) * | 2020-01-20 | 2020-06-09 | 胡海兵 | Manufacturing process for manufacturing shoe material product by using industrial waste |
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| Publication number | Publication date |
|---|---|
| CN105345986B (en) | 2018-01-09 |
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