CN105345986B - The injection feed mechanism of polyurethane footwear material - Google Patents
The injection feed mechanism of polyurethane footwear material Download PDFInfo
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- CN105345986B CN105345986B CN201510764742.6A CN201510764742A CN105345986B CN 105345986 B CN105345986 B CN 105345986B CN 201510764742 A CN201510764742 A CN 201510764742A CN 105345986 B CN105345986 B CN 105345986B
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- polyurethane
- screw rod
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention discloses a kind of recovery manufacture craft of polyurethane footwear material, is achieved by the steps of：First, crush：Polyurethane footwear material waste material is poured into super power crusher and crushed；2nd, stir：Granular wastes are poured into heating low-speed mixer, and add colophony powder and auxiliary agent is stirred, mixing time is 80 100 minutes, and whipping temp is 100 110 DEG C, you can obtains polyurethane injection molding material；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；3rd, it is molded：Polyurethane injection molding material is subjected to injection molding by disk injection machine, obtains polyurethane footwear material.Compared with prior art, its polyurethane waste material is recycled completely, resource is utilized effectively, and without largely using other auxiliary ingredients, cost recovery is relatively low；And there is the advantages of low cost recovery, recovery product softness.Invention additionally discloses a kind of injection feed mechanism for the polyurethane footwear material realized polyurethane and be molded in a manner of being molded.
Description
Technical field
The present invention relates to a kind of injection feed mechanism for polyurethane injection.
Background technology
Polyurethane (English：Polyurethane, it is abbreviated as PU) refer in main chain containing carbamate feature unit
One family macromolecule.It used for more than 30 years in China's shoe-making industry, it be by polyurethane and polyalcohol in catalyst and
Polyaddition reaction in the presence of other auxiliary agents and generate, the product of shaping has wear-resisting, heatproof, sealing, sound insulation, processing characteristics good
Deng excellent properties, because the mobility of Polyurethane raw material is larger, be in a liquid state shape, can not direct injection molding, can only moulding by casting.
Stock caused by caused waste material and sales process can be carried out them during polyurethane footwear material is produced
It is recycled.The recovery method of existing Polyurethane footwear material is to crush polyurethane footwear material waste material, can only at most be added after broken
The broken material for accounting for total amount amount 30% is added in the TPU of recovery, forms the elastomer that can be molded.But such a recovery method, one
Aspect makes the yield of polyurethane footwear material waste material relatively limited, and TPU price is costly, causes cost recovery height；It is another
Aspect makes the footwear material quality of shaping harder, does not meet people's requirement soft to footwear material matter.In view of in terms of above-mentioned two, it is existing poly-
Urethane footwear material manufacturer is not reclaimed generally to polyurethane waste material, and polyurethane waste material is directly abandoned and allows its own outside being deposited in
Weathering, this undoubtedly causes the waste of resource.
In view of this, the present inventor furthers investigate to above mentioned problem, is produced then in this case.
The content of the invention
It is an object of the invention to provide the polyurethane shoe that a kind of polyurethane footwear material for enabling recovery is able to injection molding
The injection feed mechanism of material.
A kind of injection feed mechanism of polyurethane footwear material, including base and screw rod conveyor, screw rod conveyor include installation
Block, outer cylinder body, conveying screw rod, hopper and material injection nozzle, mounting blocks on the upper surface of base, convey in a sliding manner
Accumbency is set screw rod in a rotating manner, and is combined together in a sliding manner with mounting blocks, the glide direction of conveying screw rod
It is identical with the glide direction of mounting blocks, the oil motor drive device of control conveying screw rod rotation is installed on mounting blocks and controlled defeated
The oil cylinder of screw slide is sent, the outer cylinder body is sheathed on outside conveying screw rod, first end and the mounting blocks secure fit of outer cylinder body, blanking
Bucket is installed on the top surface of outer cylinder body, and the port being connected with the discharging opening of hopper is offered in the side wall of outer cylinder body, is noted
Expect that mouth is arranged on the second end of conveying screw rod, and the partial portion of material injection nozzle is stretched out outside the second end of outer cylinder body；Above-mentioned material feeding
Mouth includes only expecting block, crosses barrel, gag lever post, fixed cover and slide nozzle, and above-mentioned gag lever post is in above-mentioned outer cylinder body, above-mentioned limit
The first end of position bar is connected with the second end of above-mentioned conveying screw rod, and above-mentioned only material block set is fixed in the first end of above-mentioned gag lever post
Outside, above-mentioned barrel of crossing is movably set in outside above-mentioned gag lever post in a manner of the axis direction along gag lever post slides, above-mentioned to cross barrel
Only expect in above-mentioned between block and the second end end of above-mentioned gag lever post, it is above-mentioned to cross barrel and the closely connected cooperation of above-mentioned outer cylinder body, on
To state and only expect have between block and above-mentioned outer cylinder body with spacing, above-mentioned cross between barrel and above-mentioned gag lever post has material passing passage, on
State the second end end of gag lever post there is limit consolidate barrel and skid off limited block outside gag lever post, above-mentioned limited block and above-mentioned outer cylinder body
Closely connected cooperation, above-mentioned only material block towards being convexly equipped with closure ring for blocking the material passing passage on the above-mentioned end face for crossing barrel,
There is the tapping channel being connected with material passing passage, above-mentioned fixed cover is arranged on the second end port of outer sleeve on above-mentioned limited block
Place, has Packed material stock space, above-mentioned slip nozzle is installed in a sliding manner between above-mentioned fixed cover and above-mentioned limited block
In in fixed cover, and can to skid off fixed cover outer in material stock space for the first end of above-mentioned slip nozzle, above-mentioned slip nozzle
First end end face is in closed, and above-mentioned slip nozzle coordinates with fixed cover sealing, and material feeding passage is provided with above-mentioned slip nozzle, on
State and offer the charging hole being connected with material feeding passage on the first end lateral wall for sliding nozzle, the second end of above-mentioned slip nozzle is stretched
Go out outside above-mentioned fixed cover, and outside the second end in above-mentioned outer cylinder body.
Using the conveying direction of conveying screw rod as left and right directions, above-mentioned gag lever post has external thread section, light bar segment and conehead section,
Above-mentioned light bar segment is between above-mentioned external thread section and above-mentioned conehead section, it is above-mentioned only material block and it is above-mentioned cross barrel be sheathed on it is above-mentioned
Outside light bar segment, above-mentioned only material block coordinates admittedly with above-mentioned light bar segment set, above-mentioned to cross barrel and above-mentioned light bar segment activity fit and above-mentioned
Crossing has spacing between barrel and above-mentioned light bar segment, this spacing is above-mentioned material passing passage；The right-hand member end of above-mentioned conveying screw rod
It is arranged with installation cavity, the cavity wall of above-mentioned installation cavity is provided with internal thread, together with above-mentioned external thread section screws togather with installation cavity,
And the closed-loop shaped being convexly equipped with the end lateral wall that is connected with above-mentioned external thread section of above-mentioned light bar segment outside conveying screw rod is convex
Ring, 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, and above-mentioned conehead section is in by a left side
To right tapered conical structure, left end and the closely connected cooperation of above-mentioned outer cylinder body of above-mentioned conehead section, the left end outside of above-mentioned conehead section
Wall is concavely provided with several depressions being connected with material passing passage, and each depression is along the multiple circumferentially spaced of conehead section, respectively
Depression forms above-mentioned tapping channel.
Above-mentioned fixed cover is in hollow circular cylinder structure, and the left end end of above-mentioned fixed cover, which is extended with, stretches into the above-mentioned outer cylinder body right side
Hold the undergauge external thread section in port；The above-mentioned cylindrical structure of slip nozzle, axial direction of the above-mentioned material feeding passage along slip nozzle
Direction is extended, and the right-hand member end of material feeding passage is passed to outside the right-hand member end face for sliding nozzle.
There is loudspeaker section and column section in above-mentioned fixed cover, above-mentioned loudspeaker section is in the left side of above-mentioned column section, above-mentioned cunning
Dynamic nozzle be in above-mentioned column section, and above-mentioned slip nozzle is fitted close with above-mentioned column section, above-mentioned loudspeaker section be in by a left side extremely
Right tapered setting.
Have on one end end of above-mentioned slip nozzle in above-mentioned loudspeaker section, and seal the spacing head of column section.
After adopting the above technical scheme, a kind of recovery manufacture craft of polyurethane footwear material of the present invention, passes through agitating and heating
The mode of operation can be such that dioctyl phthalate adsorbs completely on polyurethane, and can evaporate the moisture of polyurethane, be done
Dry particle regenerant, transhipment when facilitating the worker to be molded to regenerant, while utilize the characteristic one of dioctyl phthalate
Aspect can increase the pliability of polyurethane footwear material after injection molding, and sticking together now has occurred in the colophony powder that on the other hand can prevent from adding
As, peptizaiton is played, and can prevent that polyurethane waste material is dryouied in stirring and heating course, enables polyurethane to reclaim completely,
Yield is big, and without largely using other auxiliary ingredients, cost recovery is relatively low；Meanwhile injection-molded item can be made using colophony powder
Surface-brightening so that polyurethane footwear material products formed seems class height.
After adopting the above technical scheme, a kind of injection feed mechanism of polyurethane footwear material of the present invention, polyurethane during use
Polyurethane materials are through material passing passage to material stock space memory storage when material is delivered at material injection nozzle through conveying screw rod, install during injection
Seat with the traveling of mounting blocks, slides the second end of nozzle and the lateral wall of injection mold is fended off to injection mold direction running,
Conveying screw rod machine continues to travel, and slides nozzle and is moved by the reaction force of injection mold and to conveying screw rod direction, with
The movement of nozzle is slided, the charging hole for sliding nozzle is released, and mounting seat stops, and afterwards, oil cylinder pushing conveying screw rod is to note
Mould direction is moved, and material stock space diminishes, and the part that is squeezed of the material in material stock space is led to through charging hole and material feeding successively
In road to injection mold；Another part can promote punishment in advance to the direction reverse flow away from injection mold, the reverse flow of material
Cylinder is to only material Block direction movement, and crossing the movement of barrel makes only to expect that the closure ring of block is stretched in material passing passage, and material passing passage is sealed
Stifled, the polyurethane materials of flowing can not be back in conveying screw rod, enable the material in material stock space completely by injection mold
Injection chamber make, to complete the injection molding of polyurethane materials, avoid tradition flow polyurethane materials can be back to it is defeated
Send the problem of causing the injection chamber of injection mold can not make and then lead to not injection molding at screw rod；And with structure letter
Easily, the advantages of injection operation mode is constant.
Brief description of the drawings
Fig. 1 is the structural representation of present invention injection feed mechanism；
Fig. 2 is another structural representation (omission hopper) of present invention injection feed mechanism；
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.
Embodiment
A kind of recovery manufacture craft of polyurethane footwear material of the present invention, is achieved by the steps of：
First, crush：Polyurethane footwear material waste material is poured into super power crusher and crushed, it is 10-12mm to crush and obtain its particle diameter
Granular wastes, the optimum grain-diameter of this granular wastes is 10mm；
2nd, stir：The granular wastes of step 1 are poured into heating low-speed mixer, and add colophony powder and auxiliary agent progress
Stirring, mixing time are 80-100 minutes, and whipping temp is 100-110 DEG C, and the optimum temperature of this stirring is 109 DEG C, you can
To polyurethane injection molding material；Wherein, it is 100 minutes to stir Best Times, and stirring is held by hand stirring material after 100 minutes have harsh feeling,
Dry, no moisture；
3rd, it is molded：The polyurethane injection molding material of step 2 is subjected to injection molding by disk injection machine, injection temperature is
160-170 DEG C, injection optimum temperature is 160 DEG C, finally gives injection molding polyurethane footwear material.
In step 2, colophony powder accounts for the 0.8-1.2% of gross weight, and preferably colophony powder accounts for the 0.8% of gross weight, helps
Agent is dioctyl phthalate, and auxiliary agent accounts for the 1-1.3% of gross weight, and preferably dioctyl phthalate accounts for gross weight
1.2%.
In the present invention, if stirring is stirred when material also has a small amount of moisture after 100 minutes needs director's mixing time, until anhydrous
Point.
A kind of recovery manufacture craft of polyurethane footwear material of the present invention, adjacent benzene two can be made by way of agitating and heating operation
The absorption completely of formic acid dioctyl ester can evaporate the moisture of polyurethane on polyurethane, obtain dry particle regenerant, facilitate work
Transhipment when people is molded to regenerant, while gather after on the one hand can increasing injection molding using the characteristic of dioctyl phthalate
Have there is the phenomenon that sticks together, have played peptizaiton, and can prevent in the pliability of urethane footwear material, the colophony powder that on the other hand can prevent from adding
Polyurethane waste material is dryouied in stirring and heating course, polyurethane is reclaimed completely, and yield is big, without largely using other
Auxiliary ingredients, cost recovery are relatively low；Meanwhile injection-molded item surface-brightening can be made using colophony powder so that polyurethane footwear material is molded
Product seem class height.
A kind of injection feed mechanism of polyurethane footwear material of the present invention, as Figure 1-5, including base 1 and screw rod transmission
Machine, screw rod conveyor include mounting blocks 2, outer cylinder body 3, conveying screw rod 4, hopper 5 and material injection nozzle, and mounting blocks 2 pass through sliding block 21
Cooperation with pulley 11 is slidably mounted on the upper surface of base 1, and the slip that control mounting blocks 2 slide is provided with base 1 and is driven
Dynamic device (not shown), this sliding driving device is oil cylinder, using the glide direction of mounting blocks 2 as left and right directions, conveys spiral shell
Accumbency is set bar 4 in left-right direction in a rotating manner, i.e. the left end of conveying screw rod 4 is rotatably mounted to mounting blocks
In 2, and it is connected in a manner of the direction that horizontally slips with mounting blocks 2, the rotation of this conveying screw rod 4 and the mounting means slided
For known technology, it is not repeated herein, the oil motor drive device of the control rotation of conveying screw rod 4 is installed (in figure on mounting blocks 2
It is not shown) and the oil cylinder 100 that slides of control conveying screw rod, the outer cylinder body 3 is sheathed on outside conveying screw rod 4, the left end end of outer cylinder body 3
Portion is locked and connected with mounting blocks 2, and the locking of hopper 5 is installed on the top surface of outer cylinder body 3, and is offered in the side wall of outer cylinder body 3
The port 31 being connected with the discharging opening of hopper 5, material injection nozzle is arranged on the second end of conveying screw rod 4, and the portion of material injection nozzle
Divisional is stretched out outside the second end of outer cylinder body 3.The injection feed mechanism of the present invention, in addition to material injection nozzle, it makees the knot of each part
Structure and principle are identical with the structure and principle of the injection feed mechanism of disk injection machine, are not repeated herein.
The innovation of the present invention is：Described material injection nozzle includes only expecting block 61, crosses barrel 62, gag lever post 63, fixes
Set 64 and slip nozzle 65, the right-hand member of the left end and conveying screw rod 4 of gag lever post 63 lock and connect, and only expect that 61 sets of block is fixed in gag lever post
Outside 63 first end, cross barrel 62 and be movably set in a manner of the axis direction along gag lever post 63 slides outside gag lever post 63, limited
There is limit to consolidate barrel 62 at second end of position bar 63 and skid off limited block outside gag lever post 63；Preferably：Gag lever post 63 has
External thread section 631, light bar segment 632 and conehead section 633, external thread section 631 are in left section, and light bar segment 632 is in interlude, conehead
Section 633 is in right section, and the right-hand member end of conveying screw rod 4 is arranged with installation cavity, and the cavity wall for installing cavity is provided with internal thread, outer spiral shell
Line section 631 stretches into installation cavity screwed togather with installation cavity together with, and be located at thread segment in addition on the lateral wall of light bar segment 632
631 ends being connected are convexly equipped with the closed-loop shaped bulge loop 632a outside conveying screw rod 4, can using this closed-loop shaped bulge loop 632a
Position-limiting action is played in the installation that screws togather to conveying screw rod 4 and external thread section 631.
Described conehead section 633 is in conical structure tapered from left to right, and the external diameter of the left end end of conehead section 633 was more than
The internal diameter of barrel 62, this conehead section 633 are described limited block, and left end end and the outer cylinder body 3 of conehead section 633 are fitted close
Together, only expect that block 61 is set in outside light bar segment 632 with crossing barrel 62, only expect block 61 and 632 sets of solid cooperations of light bar segment, only expect
There is spacing between the lateral wall of block 61 and the madial wall of outer cylinder body 3, cross barrel 62 and be movably set in outside light bar segment 632, and mistake
There is the material passing passage of its left and right both ends open shape, the material of conveying screw rod 4 is through only material block between barrel 62 and light bar segment 632
Spacing between 61 and outer cylinder body 3 can be flow in material passing passage, only expect that the right-hand member end face of block 61 is convexly equipped with to the right for blocking
Expect the closure ring 611 of passage left end port, in conehead section 633 there is the discharging being connected with the right-hand member end of material passing passage to lead to
Road；The thickness for blocking ring 611 matches with crossing the width of spacing between barrel 62 and light bar segment 632, outside the left end of conehead section 633
Side wall is concavely provided with several depression 633a being connected with the second spacing, each circumference sides of the 633a along conehead section 633 that be recessed
To being spaced apart, each 633a that is recessed forms described tapping channel.
The described closure of fixed cover 64 has at the right-hand member port of outer sleeve 3 between fixed cover 64 and conehead section 633
There is material stock space, preferably：Fixed cover 64 is in hollow circular cylinder structure, and fixed cover 64 is in outside the right-hand member of outer sleeve 3, fixed
The left end end of set 64 is extended with the undergauge external thread section 641 stretched into the right-hand member port of outer cylinder body 3, the right-hand member port of outer cylinder body 3
Madial wall is provided with the internal thread being screwed with the external screw thread of undergauge external thread section 641, achievable using screwing togather for internal and external threads
The installation of fixed cover 64.The slip nozzle 65 is installed in the hollow chamber of fixed cover 64 in a sliding manner, slides nozzle
65 cylindrical structures, and the lateral wall of nozzle 65 and the closely connected cooperation of madial wall of fixed cover 64 are slided, and slide nozzle 65
Left end can be skidded off outside the left end port of fixed cover 64, and the left end end face of the slip nozzle 65 is in closed, and this slides nozzle 65
Left end end and conehead section 633 between formed with sealing space, this sealing space is described material stock space, slides nozzle
Material feeding passage 651 is provided with 65, material feeding passage 651 is extended along the axial direction for sliding nozzle 65, the right side of material feeding passage 651
End end is passed to outside the right-hand member end face for sliding nozzle 65, is slided and is offered and material feeding passage 651 on the left end lateral wall of nozzle 65
Connected charging hole 652, the right-hand member end for sliding nozzle 65 are stretched out outside fixed cover 64, and outside the right-hand member in outer cylinder body 3.
A kind of injection feed mechanism of polyurethane footwear material of the present invention, polyurethane thing is often added during use in hopper 5
In material, in port 31 of the polyurethane materials through outer cylinder body 3 to the conveying screw rod 4 in hopper 5, with the rotation of conveying screw rod 4
Polyurethane materials can cross only material block 61, and defeated by the material passing passage at barrel 62 and the depression 633a of conehead section 633 successively
The material stock space memory storage delivered between conehead section 633 and the left end of fixed cover 64, when the weight of material in material stock space is to note
In mould during the material of required heavy burder, stop feeding, conveying screw rod 4 is stopped, and mounting seat 2 is slided to the right, with installation
The right cunning of seat 2, sliding the right-hand member end of material mouth 65 can be in contact with the side wall of the injection mold of disk injection machine, now again with peace
The right cunning of seat 2 is filled, material mouth 65 is slided and is slided to the left by the reaction force of injection mold, sliding the left cunning of material mouth 65 expects slip
The left end of mouth 65 skids off that fixed cover 64 is outer in material stock space, and the charging hole 652 for sliding material mouth 65 exposes, now oil cylinder
100 promotion conveying screw rods 4 slide to the right, and conveying screw rod 4 moves to right, and memory space diminishes, and makes the polyurethane thing in memory space
Material is squeezed, and an extruded polyurethane materials part is another successively through charging hole 652 and injection channel 651 to injection mold
Part reverse flow, the polyurethane materials of reverse flow can promote barrel 62 to move to left to the left, and crossing moving to left for barrel 62 can make to stop
The envelope material ring 611 of material block 61 stretches into closed-loop shaped bulge loop 632a and crossed in the first spacing between barrel 62, and the first spacing is blocked,
Now the polyurethane materials of reverse flow are blocked in material stock space all the time, will not be back in conveying screw rod 4；Material feeding is completed
Afterwards, conveying screw rod 4 move to right can also by slide expect mouth 65 left end push back to the right in fixed cover 64, charging hole 652 again by
Fixed cover 64 stashes, and the right-hand member for sliding material mouth 65 is restored back to original state；Similarly, when being molded next time, with conveying spiral shell
The feeding of bar 4, polyurethane materials can promote barrel 62 to move right, and crossed barrel 62 and were separated with only material block 61, the first spacing
Conducting, polyurethane materials can be flow in memory space again.
Compared with prior art, the injection feed mechanism of polyurethane footwear material of the invention, it slides material injection nozzle 65 to injection
61 salable material passing passage of block is only expected during mold injection, in order to avoid polyurethane materials are back at conveying screw rod, is made in material stock space
Material the injection chamber of injection mold can be made completely, to complete the injection molding of polyurethane materials, avoid conventional flow
Dynamic polyurethane materials, which can be back to, to be caused the injection chamber of injection mold not make and then leads to not note at conveying screw rod
The problem of being moulded into type；And original injection operation mode can be kept, there is the advantages of simple structure, easy to operate.
In the present invention, there is loudspeaker section and column section in the right-hand member of the fixed cover 64, loudspeaker section is in left side, at column section
In right side, slide nozzle 5 and be in column section, and slide nozzle and be fitted close with column section, loudspeaker section is in tapered from left to right
Set, meanwhile, sliding on the left end end of nozzle 65 has in loudspeaker section, and seals spacing first the 653 of column section；This
Sample, nozzle 65 is slided when sliding to the left, sliding can be exposed when the material hole 652 of nozzle 65 slides into loudspeaker section, without sliding
Go out outside fixed cover 64, you can quick material feeding, injection time are short；It can be strengthened by spacing first 653 one side simultaneously and slide nozzle 65
, on the other hand can anti-sliding stop nozzle 65 be overall skids off outside the right-hand member of fixed cover 64 with the sealing effectiveness of column section.
A kind of injection feed mechanism of polyurethane footwear material of the present invention, exactly just it can be achieved using the material injection nozzle of the present invention poly-
Chlorine ester reclaimed materials using injection by the way of molded polyurethanes injection footwear material, broken polyurethane only using pouring type shaping and
Conventional injection molding machine can only produce the footwear material based on PVC, can not produce the footwear material based on PU, enable the polyurethane footwear material after recovery
Utilize, turn waste into wealth.
Above-described embodiment and schema and non-limiting product form of the invention and style, any art it is common
The appropriate change or modification that technical staff is done to it, it all should be regarded as not departing from the patent category of the present invention.
Claims (5)
1. a kind of injection feed mechanism of polyurethane footwear material, including base and screw rod conveyor, screw rod conveyor include mounting blocks,
Outer cylinder body, conveying screw rod, hopper and material injection nozzle, mounting blocks on the upper surface of base, convey spiral shell in a sliding manner
Accumbency is set bar in a rotating manner, and is combined together in a sliding manner with mounting blocks, the glide direction of conveying screw rod with
The glide direction of mounting blocks is identical, and oil motor drive device and control conveying that control conveying screw rod rotates are provided with mounting blocks
The oil cylinder of screw slide, the outer cylinder body are sheathed on outside conveying screw rod, first end and the mounting blocks secure fit of outer cylinder body, hopper
It is installed on the top surface of outer cylinder body, and the port being connected with the discharging opening of hopper, material feeding is offered in the side wall of outer cylinder body
Mouth is arranged on the second end of conveying screw rod, and the partial portion of material injection nozzle is stretched out outside the second end of outer cylinder body；It is characterized in that：
Above-mentioned material injection nozzle includes only expecting block, crosses barrel, gag lever post, fixed cover and slide nozzle, and above-mentioned gag lever post is in above-mentioned outer cylinder body
Interior, the first end of above-mentioned gag lever post and the second end of above-mentioned conveying screw rod are connected, and above-mentioned only material block set is fixed in above-mentioned spacing
Outside the first end of bar, above-mentioned barrel of crossing is movably set in outside above-mentioned gag lever post in a manner of the axis direction along gag lever post slides,
It is above-mentioned cross barrel be in it is above-mentioned only material block and above-mentioned gag lever post the second end end between, it is above-mentioned cross barrel and above-mentioned outer cylinder body it is close
Patch coordinates, above-mentioned only to have spacing between material block and above-mentioned outer cylinder body, and above-mentioned cross between barrel and above-mentioned gag lever post has punishment in advance
Passage, the second end end of above-mentioned gag lever post, which has, to be limited barrel and skids off limited block outside gag lever post, above-mentioned limited block with it is upper
The closely connected cooperation of outer cylinder body is stated, above-mentioned only material block is convexly equipped with for blocking the material passing passage on the end face of barrel excessively towards above-mentioned
Ring is blocked, there is on above-mentioned limited block the tapping channel being connected with material passing passage, above-mentioned fixed cover is arranged on the of outer sleeve
At two ends port, has Packed material stock space between above-mentioned fixed cover and above-mentioned limited block, above-mentioned slip nozzle is to slide
Mode is installed in fixed cover, and the first end of above-mentioned slip nozzle outer in material stock space, the above-mentioned cunning that can skid off fixed cover
The first end end face of dynamic nozzle is in closed, and above-mentioned slip nozzle coordinates with fixed cover sealing, and note is provided with above-mentioned slip nozzle
Expect passage, the charging hole being connected with material feeding passage, above-mentioned slip nozzle are offered on the first end lateral wall of above-mentioned slip nozzle
The second end stretch out outside above-mentioned fixed cover, and outside the second end in above-mentioned outer cylinder body.
2. the injection feed mechanism of polyurethane footwear material according to claim 1, it is characterised in that：With the conveying of conveying screw rod
Direction is left and right directions, and above-mentioned gag lever post has external thread section, light bar segment and conehead section, and above-mentioned light bar segment is in above-mentioned external screw thread
Section above-mentioned conehead section between, it is above-mentioned only material block and it is above-mentioned cross barrel be sheathed on outside above-mentioned light bar segment, it is above-mentioned only material block with it is upper
State that light bar segment set is solid to be coordinated, it is above-mentioned to cross barrel and above-mentioned light bar segment activity fit, and above-mentioned cross between barrel and above-mentioned light bar segment
With 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, above-mentioned installation
The cavity wall of cavity is provided with internal thread, together with above-mentioned external thread section screws togather with installation cavity, and above-mentioned light bar segment and above-mentioned outer spiral shell
The closed-loop shaped bulge loop outside conveying screw rod, above-mentioned only material block and above-mentioned punishment in advance are convexly equipped with the end lateral wall that line section is connected
Cylinder is between above-mentioned closed-loop shaped bulge loop and above-mentioned conehead section, and above-mentioned conehead section is in conical structure tapered from left to right, above-mentioned
The left end of conehead section and the closely connected cooperation of above-mentioned outer cylinder body, the left end lateral wall of above-mentioned conehead section are concavely provided with several and punishment in advance
The depression that passage is connected, each depression form above-mentioned tapping channel along the multiple circumferentially spaced of conehead section, each depression.
3. the injection feed mechanism of polyurethane footwear material according to claim 1, it is characterised in that：Above-mentioned fixed cover is in hollow
Cylindrical structure, the left end end of above-mentioned fixed cover are extended with the undergauge external thread section stretched into above-mentioned outer cylinder body right-hand member port；
The above-mentioned cylindrical structure of slip nozzle, above-mentioned material feeding passage is extended along the axial direction for sliding nozzle, and material feeding passage
Right-hand member end pass to slide nozzle right-hand member end face outside.
4. the injection feed mechanism of polyurethane footwear material according to claim 2, it is characterised in that：Have in above-mentioned fixed cover
Loudspeaker section and column section, above-mentioned loudspeaker section are in the left side of above-mentioned column section, and above-mentioned slip nozzle is in above-mentioned column section, and
Above-mentioned slip nozzle is fitted close with above-mentioned column section, and above-mentioned loudspeaker section is in tapered setting from left to right.
5. the injection feed mechanism of polyurethane footwear material according to claim 4, it is characterised in that：The one of above-mentioned slip nozzle
Holding on end has in above-mentioned loudspeaker section, and seals the spacing head of column section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510764742.6A CN105345986B (en) | 2015-11-11 | 2015-11-11 | The injection feed mechanism of polyurethane footwear material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510764742.6A CN105345986B (en) | 2015-11-11 | 2015-11-11 | The injection feed mechanism of polyurethane footwear material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105345986A CN105345986A (en) | 2016-02-24 |
| CN105345986B true CN105345986B (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510764742.6A Expired - Fee Related CN105345986B (en) | 2015-11-11 | 2015-11-11 | The injection feed mechanism of polyurethane footwear material |
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Families Citing this family (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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1266181C (en) * | 2004-02-17 | 2006-07-26 | 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 |
| KR100822479B1 (en) * | 2006-10-23 | 2008-04-16 | 김종수 | 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 |
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| CN105345986A (en) | 2016-02-24 |
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