CN101704294A - Compound extrusion unit for producing tubeless bicycles and mouth device thereof - Google Patents
Compound extrusion unit for producing tubeless bicycles and mouth device thereof Download PDFInfo
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- CN101704294A CN101704294A CN200910193948A CN200910193948A CN101704294A CN 101704294 A CN101704294 A CN 101704294A CN 200910193948 A CN200910193948 A CN 200910193948A CN 200910193948 A CN200910193948 A CN 200910193948A CN 101704294 A CN101704294 A CN 101704294A
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- sizing 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a compound extrusion unit for producing tubeless bicycles and a mouth device thereof. According to flow direction of a sizing material, the mouth device comprises a performed mouth board, a mouth board and a mouth box, which are sequentially connected; and the mouth board is embedded in the mouth box. The performed mouth board has an integral structure; the mouth board comprises an upper mouth board and a lower mouth board, which are matched with each other; the extrusion unit comprises an extrusion system and a temperature-control system, which are connected with each other; the extrusion system comprises three compound heads and three extrusion machines which are connected with the three compound heads respectively; and three extrusion machines are arranged pickaback, and the mouth device in the three compound heads is the mouth device. The mouth device can avoid streaming and burning of the sizing material in the process of inner compounding and guarantee stable extrusion of the products; and meanwhile, the volume of the device is small and maintenance of equipment is convenient because the extrusion machines are assigned pickaback; and mold components are locked by utilizing a lock, so that locking effect is good and shaping effect of tires is also good.
Description
Technical field
The present invention relates to the cycle tyre manufacturing technology, particularly a kind of complex extruder group and mouth device thereof that is used to produce tubeless bicycles.
Background technology
Traditional bicycle tyre is divided into the cover tire and the inner tube of a tyre, is made respectively by two complete equipments usually.Tubeless bicycle tyre obtains more and more wider application owing to have characteristics such as air-tightness is good, wearability is strong.But, extruder that at present can the one-shot forming tubeless bicycles seldom, the field is made eedle tubeless bicycles has been developed the complex extruder group in the Japan, but because the arrangement mode of its extruder is arranged for the L type, reductor on the extruder needs to be connected by side flange with motor, this just makes the maintenance complexity of equipment, and therefore dismounting motor earlier when carrying out the maintenance of reductor has improved the maintenance cost of equipment; Simultaneously, the clamping mechanism of its handpiece structure is the C type structure of locking a door, and this structure has strengthened the volume of extruding unit, and is easy to generate bigger stress concentration phenomenon; And the bolt that the extruder of domestic production ordinary bicycle tire clamping mechanism commonly used hangs tight before and after to be the band inclined-plane lock dog of horizontal left and right sides push-tight add; but this structure makes the locking of horizontal parting face and vertical parting face not carry out simultaneously, so occur leaking the phenomenon of glue easily.And be used for the unit of extruding of doughnut at present, owing to there being the equal reason of rubber material using quantity difference, extruder internal pressure difference, head operating pressure, and be not suitable for the manufacturing of tubeless bicycles.
In addition, the three complex extruder groups that generally are used for the car tire, because the difference of the prescription difference of various sizing materials, Mooney viscosity and the difference of extruding the cross section, the pressure that exists between the various sizing materials, flow velocity and temperature also have nothing in common with each other, therefore cause various sizing materials in mouth device in compound tense have the crossfire phenomenon, but the color of the various sizing materials of car tire is basic identical, so the crossfire between the sizing material is to not influence of products appearance.Yet, if directly the mouth device of this type of three complex extruders group is used for the manufacturing of cycle tyre, because the sizing material of cycle tyre has different colours usually, so the phenomenon of this crossfire obviously influences the outward appearance of goods.Simultaneously, because the rubber mobility of cycle tyre is better, so (wherein glue burns and is meant because sizing material produces a large amount of heats in mixing, the process that plastifies or extrude to occur the phenomenon that sizing material leaks or glue burns under high pressure easily, make rubber vulcanization or semivulcanized phenomenon), therefore, to the improvement of the complex extruder group that is used for producing tubeless bicycles, essential to the improvement of its mouth device.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of good forming effect is provided, can effectively prevent crossfire, leak the mouth device of complex extruder group that is used to produce tubeless bicycles of phenomenons such as glue or glue burning.
Another object of the present invention is to provide a kind of complex extruder group that is used to produce tubeless bicycles that has above-mentioned mouth device, this complex extruder group volume is less, plant maintenance convenient, the tire molding effect might as well.
The present invention is achieved through the following technical solutions: a kind of mouth device that is used to produce the complex extruder group of tubeless bicycles, flow to according to sizing material, and comprise the pre-die panel, die panel and the shape of the mouth as one speaks box that connect successively, wherein die panel is embedded in the shape of the mouth as one speaks box; Described pre-die panel is an integral structure, and die panel comprises last die panel and the following die panel that cooperatively interacts.
Be respectively equipped with on described pre-die panel and the die panel with complex extruder group extrusion die on the corresponding sizing material chamber of each runner port, comprise sizing material chamber, middle sizing material chamber and following sizing material chamber, each sizing material chamber has tapering.
On the described pre-die panel length in each exit, sizing material chamber and width all with die panel on the length of corresponding sizing material chamber import department and width equate.
The last sizing material chamber import department of described pre-die panel or die panel is higher than the exit, and the middle sizing material chamber import department of pre-die panel or die panel is lower than the exit, and the following sizing material chamber import department of pre-die panel or die panel is lower than the exit.
The junction of die panel and following die panel is located in the middle sizing material chamber of described die panel, cooperates fixing back to form by last die panel and following die panel.
The last die panel of described die panel comprises die panel and the outer die panel of going up on the internal layer, and die panel and pre-die panel join on the internal layer, and die panel and shape of the mouth as one speaks box join on the skin; The following die panel of described die panel comprises die panel and outer die panel down under the internal layer, and die panel and pre-die panel join under the internal layer, and outer die panel down and shape of the mouth as one speaks box join.
Be respectively equipped with the temperature control circulation water channel of external complex extruder group temperature control system around the sizing material chamber of described pre-die panel.
The both sides of described pre-die panel are respectively equipped with the handle that makes things convenient for installation or removal to use.
When being used to produce the complex extruder group work of tubeless bicycles, the operation principle of mouth device of the present invention is: the sizing material from each runner of extrusion die enters each corresponding in pre-die panel sizing material chamber respectively, compound back is by the die panel extrusion molding in the sizing material chamber, and sends from the outlet of shape of the mouth as one speaks box; In extrusion, temperature control system detects the sizing material temperature in real time, controls by the temperature of the lip-sync device of temperature control circulation water channel in the pre-die panel then, makes the mobile smooth and easy of sizing material.
A kind of complex extruder group that is used to produce tubeless bicycles that has above-mentioned mouth device of the present invention, comprise the extrusion system and the temperature control system that are connected, described extrusion system comprises three composite machine heads and three extruders that are connected with three composite machine heads respectively, three extruder employings are ridden back of the body formula and are arranged, and are respectively equipped with the machine barrel circulation water channel that is connected with temperature control system in the machine barrel of each extruder; Described three composite machine heads comprise die assembly and are located at the clamping mechanism of die assembly both sides; be provided with the mould circulation water channel that is connected with temperature control system in the die assembly; die assembly and clamping mechanism be external Hydraulic Station respectively, and Hydraulic Station is connected with operating desk by PLC (Programmable Logic Controller).
Described die assembly comprises the patrix that is provided with, upward middle mould, middle mould and counterdie from top to bottom, forms the runner corresponding with each extruder output between adjacent two modules; Each runner exit end is connected with die panel successively with pre-die panel.
According to the flow direction of sizing material, described pre-die panel and die panel are embedded on the shape of the mouth as one speaks box successively, and die panel is connected by last die panel and following die panel and forms; Be respectively equipped with the sizing material mouth corresponding with each runner port on pre-die panel and the die panel, comprise sizing material mouth, middle sizing material mouth and following sizing material mouth, each sizing material mouth has tapering; Import department's equal diameters of corresponding sizing material mouth on the exit diameter of each sizing material mouth and the die panel on the pre-die panel.
Described each extruder comprises machine barrel, screw rod, feeding mechanism, reductor and motor respectively, and wherein screw rod is located at machine barrel inside, and the machine barrel front end is connected with three composite machine heads, and the machine barrel charging aperture is connected with feeding mechanism, and the screw rod end is connected with reductor, motor successively.
Described employing is ridden in three extruders that back of the body formula arranges, and the screw diameter of middle extruder is greater than the screw diameter of last extruder and following extruder; Described three extruders all adopt the pin cold feed extruder, and the screw flight shape of three extruders is identical, and screw rod feeding section is a four-head combination screw thread, and fluxing zone and extruding zone are the double thread of different lead; The basic configuration of screw rod be the dextrorotation multiple thread, etc. dark, stage displacement; The material of screw rod is the high-quality nitrated steel of surface through nitrogen treatment and polishing.
In described three extruders, the reductor main shaft employing that each extruder screw is corresponding with it is for convenience detach to be connected with the spline of centering, can split out from machine barrel the place ahead and pack into; Described reductor is the transmission of three grades of parallel axis hard-tooth surface cylinder teeth, and disposes elastic dowel pin shaft coupling.
The machine barrel of described three extruders is pin barrel, the machine drum body inner periphery machine barrel recirculated water road that evenly distributes, so that carry out heat exchange from the temperature control water and the machine barrel of temperature control system, the machine barrel front end adopts flange to be connected with three composite machine heads; The material of machine barrel adopts the high-quality nitrated steel, and barrel configuration is the multistage Welding Structure through fully annealing.
Described clamping mechanism is for locking a door, about lock a door and be located at the die assembly both sides respectively, the unlatching of clamping mechanism and locking are finished by Hydraulic Station control; During locking, lock a door about the oil cylinder of Hydraulic Station drives and go to the operating position, lock a door about the plunger case tension then and lock, during unlatching, the clamping mechanism counteragent.
Described three composite machine heads are provided with Pressure gauge or the pressure sensor that is used for detecting in real time the head internal pressure.
Described feeding mechanism is connected by flange with the machine barrel charging aperture, and feeding mechanism comprises feeding machine barrel and the feeding seat that is connected successively with machine barrel, is provided with feeding roller in the feeding machine barrel, is provided with the speed ratio gear that is connected with feeding roller in the feeding seat; The lining inwall of feeding machine barrel has the anti-glue groove of multiple-internal screw thread, and feeding machine barrel periphery is provided with the feeding machine barrel recirculated water road that links to each other with temperature control system; Have the anti-glue groove of multiple thread on the feeding roller, feeding roller inside is provided with the feeding roller circulation water channel in parallel with feeding machine barrel recirculated water road; The feeding mechanism below is provided with and prevents that rubber from entering the leakage Jiao Kou of feeding roller bearing; Wherein the lagging material of feeding machine barrel is the high-quality nitrated steel of inner surface through nitrogen treatment, and feeding roller is the steel welding structure of surface through nitrogen treatment, and the feeding roller surface also can be provided with spreading knife, is used to scrape off the feeding roller rubber surface.
When complex extruder group of the present invention is used, its operation principle is: three respectively that tire is required sizing materials of extruder carry out mixing, plasticizing, be delivered to three composite machine heads then, behind the independent runner through the formation of head inner mold assembly, pass through pre-die panel successively again, die panel is compound, tread rubber, sidewall rubber and inner liner are once extruded the most at last; In this process, the temperature in drawing-in device, machine barrel and the die assembly is controlled by the circulation water channel of its correspondence by temperature control system, and the unlatching of die assembly and clamping mechanism and locking are finished by Hydraulic Station in the head.
Compared with prior art, the present invention has following beneficial effect:
1, back of the body formula arrangement mode is ridden in the employing of arranging of extruder in the complex extruder group of the present invention, can reduce the volume of unit, simultaneously, the motor that the reductor of each extruder is corresponding with it is located on the same direction, can on same slide plate, slide during maintenance and need not dismantle, can save the maintenance cost of equipment greatly; The main shaft of reductor adopts spline to be connected with screw rod, can make things convenient for its dismounting and centering, uses more convenient.
2, in the complex extruder group of the present invention, be equipped with the circulation water channel that is connected with temperature control system in feeding mechanism, machine barrel and the die assembly, regulate (proportional integral/differential is regulated) by PID and sizing material is carried out temperature control by technological requirement, its temperature is even, control effectively, and can prevent effectively that glue from burning.
3, in the complex extruder group of the present invention; the clamping mechanism of three composite machine heads adopts the structure of locking a door; the shortcoming of glue phenomenon can not be carried out, be occurred leaking easily to the locking that had both overcome traditional locks mold mechanism horizontal parting face and vertical parting face simultaneously; also overcome the C type shortcoming that structural volume is big, be easy to generate bigger stress concentration phenomenon of locking a door; make compact equipment; and can be issued to the self-locking effect in the situation of Hydraulic Station decompression, its locking effect is good.
4, in the mouth device of the present invention, structure to pre-die panel and die panel is all improved, adopt the pre-die panel of integral type and the die panel of forming by upper and lower die panel, and pre-die panel and die panel be embedded in respectively in the shape of the mouth as one speaks box, handled the matching problem of three die joints well, solved sizing material in the crossfire problem that interior compound tense produces, guaranteed that goods stable extrude.
5, mouth device compact conformation of the present invention, pre-die panel adopts integral structure, therefore can effectively prevent the generation of leak-stopping glue phenomenon; Simultaneously, owing to be provided with the temperature control circulation water channel of external temperature control system in pre-die panel, therefore can control the temperature of sizing material moulding preferably, keep temperature stabilization, it is more smooth and easy that sizing material is flowed in each sizing material chamber, solved the problem that glue burns well.
Description of drawings
Fig. 1 is the structural representation of mouth device of the present invention.
Fig. 2 is the structural front view of shape of the mouth as one speaks box in the mouth device of the present invention.
Fig. 3 is the structure left view of shape of the mouth as one speaks box in the mouth device of the present invention.
Fig. 4 is the structural front view of the pre-die panel of the embodiment of the invention one.
Fig. 5 is the structure left view of the pre-die panel of the embodiment of the invention one.
Fig. 6 is the structural representation of die panel on the skin of the embodiment of the invention one.
Fig. 7 is the structural representation of die panel on the internal layer of the embodiment of the invention one.
Fig. 8 is the structural representation of die panel under the skin of the embodiment of the invention one.
Fig. 9 is the structural representation of die panel under the internal layer of the embodiment of the invention one.
Figure 10 is the structural front view of the pre-die panel of the embodiment of the invention two.
Figure 11 is the structural representation of die panel on the skin of the embodiment of the invention two.
Figure 12 is the structural representation of die panel on the internal layer of the embodiment of the invention two.
Figure 13 is the structural representation of die panel under the skin of the embodiment of the invention two.
Figure 14 is the structural representation of die panel under the internal layer of the embodiment of the invention two.
Figure 15 is the structural front view of the pre-die panel of the embodiment of the invention three.
Figure 16 is the structural representation of die panel on the skin of the embodiment of the invention three.
Figure 17 is the structural representation of die panel on the internal layer of the embodiment of the invention three.
Figure 18 is the structural representation of die panel under the skin of the embodiment of the invention three.
Figure 19 is the structural representation of die panel under the internal layer of the embodiment of the invention three.
Figure 20 is the extrusion system structural front view of this complex extruder group.
Figure 21 is the structure left view of this complex extruder group.
Figure 22 is the extrusion system structure vertical view of this complex extruder group.
Figure 23 is the structural representation of three composite machine heads in this complex extruder group.
Figure 24 is the structural representation of feeding mechanism in this complex extruder group.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment one
Present embodiment is a kind of to be used to produce the mouth device of the complex extruder group of tubeless bicycles, as shown in Figure 1, flow to according to sizing material, comprise the pre-die panel 8, die panel 9 and the shape of the mouth as one speaks box 10 that connect successively, wherein die panel 9 is embedded in (structure of shape of the mouth as one speaks box as shown in Figures 2 and 3) in the shape of the mouth as one speaks box 10; Wherein pre-die panel 8 is an integral structure, and die panel 9 comprises last die panel 11 and the following die panel 12 that cooperatively interacts.
Be respectively equipped with on pre-die panel and the die panel with complex extruder group extrusion die on the corresponding sizing material chamber of each runner port, comprise sizing material chamber, middle sizing material chamber and following sizing material chamber, each sizing material chamber has tapering.As shown in Figure 4 and Figure 5, the pre-die panel of present embodiment is provided with 4 and goes up 1,2 middle sizing material chamber, sizing material chamber 2 and 2 following sizing material chambeies 3.On the pre-die panel length in each exit, sizing material chamber 4 and width all with die panel on the length of corresponding sizing material chamber import department 5 and width equate.
Corresponding with each runner on the complex extruder group extrusion die, the last sizing material chamber import department of pre-die panel or die panel is higher than the exit, the middle sizing material chamber import department of pre-die panel or die panel is lower than the exit, and the following sizing material chamber import department of pre-die panel or die panel is lower than the exit.
The junction of die panel and following die panel is located in the middle sizing material chamber of die panel, cooperates fixing back to form by last die panel and following die panel; The last die panel of die panel comprises on the internal layer die panel and outerly goes up die panel (structure of its ectomesoderm template suitable for reading as shown in Figure 6, the structure of die panel as shown in Figure 7 under the internal layer), die panel and pre-die panel join on the internal layer, and die panel and shape of the mouth as one speaks box join on the skin; The following die panel of described die panel comprises under the internal layer die panel and outer die panel down, and (structure of its ectomesoderm end opening template as shown in Figure 8, the structure of die panel as shown in Figure 9 under the internal layer), die panel and pre-die panel join under the internal layer, and outer die panel down and shape of the mouth as one speaks box join.
As shown in Figure 4, be respectively equipped with the temperature control circulation water channel 6 of external complex extruder group temperature control system around the sizing material chamber of pre-die panel; The both sides of pre-die panel are respectively equipped with the handle 7 that makes things convenient for installation or removal to use.
When being used to produce the complex extruder group work of tubeless bicycles, the operation principle of the mouth device of present embodiment is: the sizing material from each runner of extrusion die enters each corresponding in pre-die panel sizing material chamber respectively, compound back is by the die panel extrusion molding in the sizing material chamber, and sends from the outlet of shape of the mouth as one speaks box; In extrusion, temperature control system detects the sizing material temperature in real time, controls by the temperature of the lip-sync device of temperature control circulation water channel in the pre-die panel then, makes the mobile smooth and easy of sizing material.
Embodiment two
Present embodiment is a kind of to be used to produce the mouth device of the complex extruder group of tubeless bicycles, as shown in Figure 1, flow to according to sizing material, comprise the pre-die panel 8, die panel 9 and the shape of the mouth as one speaks box 10 that connect successively, wherein die panel 9 is embedded in (structure of shape of the mouth as one speaks box as shown in Figures 2 and 3) in the shape of the mouth as one speaks box; Wherein pre-die panel 8 is an integral structure, and die panel 9 comprises last die panel 11 and the following die panel 12 that cooperatively interacts.
Be respectively equipped with on pre-die panel and the die panel with complex extruder group extrusion die on the corresponding sizing material chamber of each runner port, comprise sizing material chamber, middle sizing material chamber and following sizing material chamber, each sizing material chamber has tapering.As shown in figure 10, the pre-die panel of present embodiment is provided with 2 and goes up 1,1 middle sizing material chamber, sizing material chamber 2 and 1 following sizing material chamber 3.On the pre-die panel length in each exit, sizing material chamber 4 and width all with die panel on the length of corresponding sizing material chamber import department 5 and width equate.
Corresponding with each runner on the complex extruder group extrusion die, the last sizing material chamber import department of pre-die panel or die panel is higher than the exit, the middle sizing material chamber import department of pre-die panel or die panel is lower than the exit, and the following sizing material chamber import department of pre-die panel or die panel is lower than the exit.
The junction of die panel and following die panel is located in the middle sizing material chamber of die panel, cooperates fixing back to form by last die panel and following die panel; The last die panel of die panel comprises on the internal layer die panel and outerly goes up die panel (structure of its ectomesoderm template suitable for reading as shown in figure 11, the structure of die panel as shown in figure 12 under the internal layer), die panel and pre-die panel join on the internal layer, and die panel and shape of the mouth as one speaks box join on the skin; The following die panel of described die panel comprises under the internal layer die panel and outer die panel down, and (structure of its ectomesoderm end opening template as shown in figure 13, the structure of die panel as shown in figure 14 under the internal layer), die panel and pre-die panel join under the internal layer, and outer die panel down and shape of the mouth as one speaks box join.
As shown in figure 10, be respectively equipped with the temperature control circulation water channel 6 of external complex extruder group temperature control system around the sizing material chamber of pre-die panel; The both sides of pre-die panel are respectively equipped with the handle 7 that makes things convenient for installation or removal to use.
When being used to produce the complex extruder group work of tubeless bicycles, the operation principle of the mouth device of present embodiment is: the sizing material from each runner of extrusion die enters each corresponding in pre-die panel sizing material chamber respectively, compound back is by the die panel extrusion molding in the sizing material chamber, and sends from the outlet of shape of the mouth as one speaks box; In extrusion, temperature control system detects the sizing material temperature in real time, controls by the temperature of the lip-sync device of temperature control circulation water channel in the pre-die panel then, makes the mobile smooth and easy of sizing material.
Embodiment three
Present embodiment is a kind of to be used to produce the mouth device of the complex extruder group of tubeless bicycles, as shown in Figure 1, flow to according to sizing material, comprise the pre-die panel 8, die panel 9 and the shape of the mouth as one speaks box 10 that connect successively, wherein die panel 9 is embedded in (structure of shape of the mouth as one speaks box as shown in Figures 2 and 3) in the shape of the mouth as one speaks box 10; Wherein pre-die panel 8 is an integral structure, and die panel 9 comprises last die panel 11 and the following die panel 12 that cooperatively interacts.
Be respectively equipped with on pre-die panel and the die panel with complex extruder group extrusion die on the corresponding sizing material chamber of each runner port, comprise sizing material chamber, middle sizing material chamber and following sizing material chamber, each sizing material chamber has tapering.As shown in figure 15, the pre-die panel of present embodiment is provided with 2 and goes up 1,2 middle sizing material chamber, sizing material chamber 2 and 2 following sizing material chambeies 3.On the pre-die panel length in each exit, sizing material chamber 4 and width all with die panel on the length of corresponding sizing material chamber import department 5 and width equate.
Corresponding with each runner on the complex extruder group extrusion die, the last sizing material chamber import department of pre-die panel or die panel is higher than the exit, the middle sizing material chamber import department of pre-die panel or die panel is lower than the exit, and the following sizing material chamber import department of pre-die panel or die panel is lower than the exit.
The junction of die panel and following die panel is located in the middle sizing material chamber of die panel, cooperates fixing back to form by last die panel and following die panel; The last die panel of die panel comprises on the internal layer die panel and outerly goes up die panel (structure of its ectomesoderm template suitable for reading as shown in figure 16, the structure of die panel as shown in figure 17 under the internal layer), die panel and pre-die panel join on the internal layer, and die panel and shape of the mouth as one speaks box join on the skin; The following die panel of described die panel comprises under the internal layer die panel and outer die panel down, and (structure of its ectomesoderm end opening template as shown in figure 18, the structure of die panel as shown in figure 19 under the internal layer), die panel and pre-die panel join under the internal layer, and outer die panel down and shape of the mouth as one speaks box join.
As shown in figure 15, be respectively equipped with the temperature control circulation water channel 6 of external complex extruder group temperature control system around the sizing material chamber of pre-die panel; The both sides of pre-die panel are respectively equipped with the handle 7 that makes things convenient for installation or removal to use.
When being used to produce the complex extruder group work of tubeless bicycles, the operation principle of the mouth device of present embodiment is: the sizing material from each runner of extrusion die enters each corresponding in pre-die panel sizing material chamber respectively, compound back is by the die panel extrusion molding in the sizing material chamber, and sends from the outlet of shape of the mouth as one speaks box; In extrusion, temperature control system detects the sizing material temperature in real time, controls by the temperature of the lip-sync device of temperature control circulation water channel in the pre-die panel then, makes the mobile smooth and easy of sizing material.
Embodiment four
The complex extruder group that is used to produce tubeless bicycles of a kind of embodiment of having one to three any mouth device of present embodiment, as shown in figure 21, comprise the extrusion system 13 and the temperature control system 14 that are connected, as shown in figure 20, extrusion system 13 comprises three composite machine heads 15 and three extruders 16,17,18 that are connected with three composite machine heads 15 respectively, three extruder employings are ridden back of the body formula and are arranged, and are respectively equipped with the machine barrel circulation water channel that is connected with temperature control system in the machine barrel of each extruder; Three composite machine heads 15 comprise die assembly and are located at the clamping mechanism of die assembly both sides, are provided with the mould circulation water channel that is connected with temperature control system in the die assembly, die assembly and the external Hydraulic Station of clamping mechanism difference, and Hydraulic Station is connected with operating desk 29 by PLC.
As shown in figure 23, die assembly comprises the patrix 19 that is provided with, upward middle mould 20, middle mould 21 and counterdie 22 from top to bottom, forms the runner corresponding with each extruder output between adjacent two modules; Each runner exit end is connected with die panel successively with pre-die panel; Be provided with the mould circulation water channel 28 that is connected with temperature control system in the die assembly.
The flow direction according to sizing material, pre-die panel and die panel are embedded on the shape of the mouth as one speaks box successively, die panel is connected by last die panel and following die panel and forms, wherein the structure of pre-die panel is shown in Fig. 4,10,15 or 5, the structure of last die panel is shown in Fig. 7,12 or 17, and the structure of following die panel is shown in Fig. 9,14 or 19; Be respectively equipped with the sizing material mouth corresponding with each runner port on pre-die panel and the die panel, comprise sizing material mouth 1, middle sizing material mouth 2 and following sizing material mouth 3, each sizing material mouth has tapering; Import department's 5 equal diameters of corresponding sizing material mouth on exit 4 diameters of each sizing material mouth and the die panel on the pre-die panel.
As shown in figure 20, each extruder comprises machine barrel 23, screw rod, feeding mechanism, reductor 24 and motor 25 respectively, wherein screw rod is located at machine barrel 23 inside, machine barrel 23 front ends are connected with three composite machine heads 15, the charging aperture of machine barrel 23 is connected with feeding mechanism, and the screw rod end is connected with reductor 24, motor 25 successively.
Employing is ridden in three extruders that back of the body formula arranges, and the screw diameter of middle extruder 17 is greater than the screw diameter of last extruder 16 and following extruder 18, and three extruders all adopt the pin cold feed extruder; Extruder 17 adopts in the present embodiment
Pin cold feed extruder, last extruder 16 and 18 employings of following extruder
The pin cold feed extruder.
The screw flight shape of three extruders is identical, and screw rod feeding section is a four-head combination screw thread, and fluxing zone and extruding zone are the double thread of different lead; The basic configuration of screw rod be the dextrorotation multiple thread, etc. dark, stage displacement; The material of screw rod is the high-quality nitrated steel of surface through nitrogen treatment and polishing.In the present embodiment, the screw rod material adopts 8CrMoAlA, and its nitride layer depth is average 〉=0.55mm, hardness is greater than HV900 (HS95).
In three extruders, the employing of the main shaft of the reductor 24 that each extruder screw is corresponding with it is for convenience detach to be connected with the spline of centering, can split out from machine barrel 23 the place aheads and pack into; Reductor 24 is the transmission of three grades of parallel axis hard-tooth surface cylinder teeth, and disposes elastic dowel pin shaft coupling; Motor 25 adopts Sweden ABB alternating-current variable frequency motor in the present embodiment.
The machine barrel 23 of three extruders is pin barrel, the machine barrel 23 body inner peripherys machine barrel recirculated water road that evenly distributes, so that carry out heat exchange from the temperature control water and the machine barrel 23 of temperature control system, machine barrel 23 front ends adopt flanges to be connected with three composite machine heads 15; The material of machine barrel 23 adopts high-quality nitrated steel 38CrMoAlA, and the structure of machine barrel 23 is for through the abundant multistage Welding Structure of annealing, and its nitride layer depth is average 〉=0.55mm, case hardness is greater than HV950 (HS97).Pin 27 on the pin barrel also adopts nitrated steel 38CrMoAlA to make, insert the conical section nitrogen treatment of rubber, the nitrogenize degree of depth 〉=0.55mm, shown in the extrusion system vertical view of Figure 22, pin 27 is uniform at machine barrel 23 circumferencial directions, totally eight arranges, and the top of pin 27 is provided with screw, the pin extractor of available dedicated screws in this screw and extracts pin 27, and pin 27 is installed the back and compressed with clamp nut.
As shown in figure 21, clamping mechanism is for locking a door 26, about lock a door and be located at the die assembly both sides respectively, the unlatching of clamping mechanism and locking are finished by Hydraulic Station control; During locking, lock a door about the oil cylinder of Hydraulic Station drives and go to the operating position, lock a door about the plunger case tension then and lock, during unlatching, the clamping mechanism counteragent.In the present embodiment, about the material selection model of locking a door be the alloy cast steel of ZG35CrMo.
Also be provided with Pressure gauge or the pressure sensor that is used for detecting in real time the head internal pressure on three composite machine heads 15.
As shown in figure 24, feeding mechanism is connected by flange with the machine barrel charging aperture, and feeding mechanism comprises feeding machine barrel and the feeding seat that is connected successively with machine barrel, is provided with feeding roller 30 in the feeding machine barrel, is provided with the speed ratio gear 31 that is connected with feeding roller 30 in the feeding seat; Lining 32 inwalls of feeding machine barrel have the anti-glue groove of multiple-internal screw thread, and feeding machine barrel periphery is provided with the feeding machine barrel recirculated water road that links to each other with temperature control system; Have the anti-glue groove of multiple thread on the feeding roller 30, feeding roller 30 inside are provided with the feeding roller circulation water channel in parallel with feeding machine barrel recirculated water road; The feeding mechanism below is provided with and prevents that rubber from entering the leakage Jiao Kou of feeding roller bearing; Wherein the material of the lining 32 of feeding machine barrel is the high-quality nitrated steel of inner surface through nitrogen treatment, and feeding roller 30 is the steel welding structure of surface through nitrogen treatment, and feeding roller 30 surfaces also can be provided with spreading knife, are used to scrape off the feeding roller rubber surface.
When the complex extruder group of present embodiment is used, its operation principle is: three respectively that tire is required sizing materials of extruder 16,17,18 carry out mixing, plasticizing, be delivered to three composite machine heads 15 then, behind the independent runner through the formation of head inner mold assembly, pass through pre-die panel successively again, die panel is compound, tread rubber, sidewall rubber and inner liner are once extruded the most at last; In this process, the temperature in drawing-in device, machine barrel and the die assembly is controlled by the circulation water channel of its correspondence by temperature control system, and the unlatching of die assembly and clamping mechanism and locking are finished by Hydraulic Station in the head.
As mentioned above, just can realize the present invention preferably, the foregoing description is preferred embodiment of the present invention only, is not to be used for limiting practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modification, all contained by claim of the present invention scope required for protection.
Claims (10)
1. be used to produce the mouth device of the complex extruder group of tubeless bicycles, it is characterized in that, flow to according to sizing material, comprise the pre-die panel, die panel and the shape of the mouth as one speaks box that connect successively, wherein die panel is embedded in the shape of the mouth as one speaks box; Described pre-die panel is an integral structure, and die panel comprises last die panel and the following die panel that cooperatively interacts.
2. according to the described mouth device that is used to produce the complex extruder group of tubeless bicycles of claim 1, it is characterized in that, be respectively equipped with on described pre-die panel and the die panel with complex extruder group extrusion die on the corresponding sizing material chamber of each runner port, comprise sizing material chamber, middle sizing material chamber and following sizing material chamber, each sizing material chamber has tapering.
3. according to the described mouth device that is used to produce the complex extruder group of tubeless bicycles of claim 2, it is characterized in that, on the described pre-die panel length in each exit, sizing material chamber and width all with die panel on the length of corresponding sizing material chamber import department and width equate; The last sizing material chamber import department of described pre-die panel or die panel is higher than the exit, and the middle sizing material chamber import department of pre-die panel or die panel is lower than the exit, and the following sizing material chamber import department of pre-die panel or die panel is lower than the exit.
4. according to the described mouth device that is used to produce the complex extruder group of tubeless bicycles of claim 2, it is characterized in that, the junction of die panel and following die panel is located in the middle sizing material chamber of described die panel, cooperates fixing back to form by last die panel and following die panel.
5. according to the described mouth device that is used to produce the complex extruder group of tubeless bicycles of claim 1, it is characterized in that, the last die panel of described die panel comprises die panel and the outer die panel of going up on the internal layer, die panel and pre-die panel join on the internal layer, and die panel and shape of the mouth as one speaks box join on the skin; The following die panel of described die panel comprises die panel and outer die panel down under the internal layer, and die panel and pre-die panel join under the internal layer, and outer die panel down and shape of the mouth as one speaks box join.
6. according to the described mouth device that is used to produce the complex extruder group of tubeless bicycles of claim 1, it is characterized in that, be respectively equipped with the temperature control circulation water channel of external complex extruder group temperature control system around the sizing material chamber of described pre-die panel; The both sides of described pre-die panel are respectively equipped with the handle that makes things convenient for installation or removal to use.
7. the complex extruder group that is used to produce tubeless bicycles that has each described mouth device of claim 1～6.
8. according to the described complex extruder group that is used to produce tubeless bicycles of claim 7, comprise the extrusion system and the temperature control system that are connected, it is characterized in that, described extrusion system comprises three composite machine heads and three extruders that are connected with three composite machine heads respectively, three extruder employings are ridden back of the body formula and are arranged, and are respectively equipped with the machine barrel circulation water channel that is connected with temperature control system in the machine barrel of each extruder; Described three composite machine heads comprise die assembly and are located at the clamping mechanism of die assembly both sides, are provided with the mould circulation water channel that is connected with temperature control system in the die assembly, die assembly and the external Hydraulic Station of clamping mechanism difference, and Hydraulic Station is connected with operating desk by PLC.
9. according to the described complex extruder group that is used to produce tubeless bicycles of claim 7, it is characterized in that, described die assembly comprises the patrix that is provided with, upward middle mould, middle mould and counterdie from top to bottom, forms the runner corresponding with each extruder output between adjacent two modules; Each runner exit end is connected with die panel successively with pre-die panel.
Described each extruder comprises machine barrel, screw rod, feeding mechanism, reductor and motor respectively, and wherein screw rod is located at machine barrel inside, and the machine barrel front end is connected with three composite machine heads, and the machine barrel charging aperture is connected with feeding mechanism, and the screw rod end is connected with reductor, motor successively;
Described employing is ridden in three extruders that back of the body formula arranges, and the screw diameter of middle extruder is greater than the screw diameter of last extruder and following extruder; Described three extruders all adopt the pin cold feed extruder, and the screw flight shape of three extruders is identical, and screw rod feeding section is a four-head combination screw thread, and fluxing zone and extruding zone are the double thread of different lead;
In described three extruders, the reductor main shaft employing that each extruder screw is corresponding with it is for convenience detach to be connected with the spline of centering; Described reductor is the transmission of three grades of parallel axis hard-tooth surface cylinder teeth, and disposes elastic dowel pin shaft coupling;
The machine barrel of described three extruders is pin barrel, the machine drum body inner periphery machine barrel recirculated water road that evenly distributes, and the machine barrel front end adopts flange to be connected with three composite machine heads;
Described clamping mechanism is for locking a door, about lock a door and be located at the die assembly both sides respectively, the unlatching of clamping mechanism and locking are finished by Hydraulic Station control;
Described three composite machine heads are provided with Pressure gauge or the pressure sensor that is used for detecting in real time the head internal pressure.
10. according to the described complex extruder group that is used to produce tubeless bicycles of claim 9, it is characterized in that, described feeding mechanism is connected by flange with the machine barrel charging aperture, feeding mechanism comprises feeding machine barrel and the feeding seat that is connected successively with machine barrel, be provided with feeding roller in the feeding machine barrel, be provided with the speed ratio gear that is connected with feeding roller in the feeding seat; The lining inwall of feeding machine barrel has the anti-glue groove of multiple-internal screw thread, and feeding machine barrel periphery is provided with the feeding machine barrel recirculated water road that links to each other with temperature control system; Have the anti-glue groove of multiple thread on the feeding roller, feeding roller inside is provided with the feeding roller circulation water channel in parallel with feeding machine barrel recirculated water road; The feeding mechanism below is provided with and prevents that rubber from entering the leakage Jiao Kou of feeding roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009101939482A CN101704294B (en) | 2009-11-17 | 2009-11-17 | Compound extrusion unit for producing tubeless bicycles and mouth device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101939482A CN101704294B (en) | 2009-11-17 | 2009-11-17 | Compound extrusion unit for producing tubeless bicycles and mouth device thereof |
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| CN101704294A true CN101704294A (en) | 2010-05-12 |
| CN101704294B CN101704294B (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101939482A Expired - Fee Related CN101704294B (en) | 2009-11-17 | 2009-11-17 | Compound extrusion unit for producing tubeless bicycles and mouth device thereof |
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| CN104416879A (en) * | 2013-09-04 | 2015-03-18 | 东洋橡胶工业株式会社 | Mold used for rubber extrusion molding, rubber part used for tire forming and manufacturing method of rubber part used for tire forming |
| EP3037241A1 (en) * | 2014-12-23 | 2016-06-29 | The Goodyear Tire & Rubber Company | Extruder die assembly and method of manufacturing a tire tread |
| CN106671382A (en) * | 2016-12-27 | 2017-05-17 | 宁夏神州轮胎有限公司 | General tread extrusion mouth-shaped plate module |
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| CN107690381A (en) * | 2015-06-02 | 2018-02-13 | 克劳斯马菲贝斯托夫有限公司 | For manufacturing the tire tread of tire and/or the tyre strip of sidewall guard strip with extrusion device and for manufacturing the tire tread of tire or the method for sidewall guard strip |
| CN109514829A (en) * | 2018-12-13 | 2019-03-26 | 软控股份有限公司 | Extrusion system and fetus processing method |
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| US4509907A (en) * | 1983-05-13 | 1985-04-09 | American Maplan Corporation | Extrusion head for tubular bodies and hollow profiles |
| DE19509375A1 (en) * | 1995-03-15 | 1996-09-19 | Rollepaal B V Maschf De | Extrusion head for plastic extruders |
| CN100486794C (en) * | 2005-12-28 | 2009-05-13 | 张芝泉 | Peg type ternary composite hydraulic press head rubber extrusion set for cold feeding |
| CN201012535Y (en) * | 2007-01-31 | 2008-01-30 | 中国化学工业桂林工程公司 | Hydraulic pressure composite head of the composite multiple rubber material extruding machine |
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| EP3037241A1 (en) * | 2014-12-23 | 2016-06-29 | The Goodyear Tire & Rubber Company | Extruder die assembly and method of manufacturing a tire tread |
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| CN105711053B (en) * | 2014-12-23 | 2018-04-20 | 固特异轮胎和橡胶公司 | Extruder die component |
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| US10343321B2 (en) | 2015-12-21 | 2019-07-09 | The Goodycar Tire & Rubber Company | Extruder die assembly |
| CN106671382A (en) * | 2016-12-27 | 2017-05-17 | 宁夏神州轮胎有限公司 | General tread extrusion mouth-shaped plate module |
| CN107310127A (en) * | 2017-08-08 | 2017-11-03 | 中国化学工业桂林工程有限公司 | A kind of fast-open type rubber extruder head |
| CN107310127B (en) * | 2017-08-08 | 2023-05-05 | 中国化学工业桂林工程有限公司 | Quick-open rubber extruder head |
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