CN101878945A

CN101878945A - Integrated extrusion molding equipment

Info

Publication number: CN101878945A
Application number: CN2009100505607A
Authority: CN
Inventors: 刘�英
Original assignee: Shanghai Yichen Information Technology Development Co Ltd
Current assignee: Shanghai Yichen Information Technology Development Co Ltd
Priority date: 2009-05-05
Filing date: 2009-05-05
Publication date: 2010-11-10
Also published as: WO2010127561A1

Abstract

The invention provides integrated extrusion molding equipment, which comprises a feeding device (20), a screw extruder (10), an extrusion die (40), a rotary motor box (50), a coating device, a conveying device (70) and a cut-off device (90) in turn. The screw extruder (10) comprises a plurality of screws which are closed and occluded one another; the extrusion die (40) has two extrusion discs (41); the conveying device (70) comprises a driving roller and a conveyor belt (72) with adhesiveness; and the cut-off device (90) is arranged between the adjacent conveyor belts, and comprises a jet orifice (91) and high-pressure jet (92) emitted from the jet orifice to cut strip continuous materials (200) into sectional materials (210) with fixed lengths. The sectional treatment of the extrusion molding materials is realized through the conveying device with height fall and a high-pressure water jet system, products with specified lengths can be accurately obtained, and the cutting process is clean and safe.

Description

Integrated extrusion molding equipment

Technical field

The present invention relates to a kind of integrated extrusion molding equipment, specifically adopt screw extruder and supporting extrude, apply, device such as cut-out comes equipment that premixed rice flour mash or dough are processed, belongs to food processing technology field.

Background technology

Along with increase day by day to the requirement of the nutrition of food, the bread basket and the production method thereof of various composite nutrients are also developing by leaps and bounds, from the pre-steaming method technology of early stage acid, directly soak technologies such as suction method and coating method, develop into nowadays more complete:, obtain the technological process of multi-nutrient fortification composite cereal at last from cereal pulverizing → preliminary treatment → mix with nutrient → push → moulding → drying → screening → join rice in proportion.

And the step of extruding-moulding wherein is the important step in the production process, single screw rod or the twin (double) screw extruder generally taked, the hydrate of cereal powder is pushed the back by certain shape mould, obtain the cereals of needed shape, size through cutting, and on corresponding conveyer belt, carry, until check and packaging step.

Referring to accompanying drawing 1, international open text (WO01/72151) discloses a kind of incorporate composite cereal mixing, extruding, former.Comprise raw material blending device, twin (double) screw extruder, extrusion device, excision forming equipment.Raw material blending device wherein and twin (double) screw extruder link to each other by the vertical transport pipeline that is communicated with, and be provided with control valve in pipelines, to adjust speed and the product efficiency that the premix raw material enters extruder.Be arranged in parallel in the twin (double) screw extruder screw rod of two mutual interlocks of screw thread rotates in opposite directions, makes the material of from top to bottom carrying can carry out compacting fully and conveying.End at extruder has extrusion dish, offer a plurality of extrusion cavities on the extrusion dish, be close to the extrusion cavities place and be provided with cutter sweep, the strip-shaped materials that squeezes out can be cut into needed strip, granular or sheet products, to meet the needs of various cereal joint products.

Referring to accompanying drawing 2, United States Patent (USP) (US5350585) discloses a kind of double-screw structure of extruder.Described double-screw structure is divided into multistage, and its thread density is all inconsistent, to cooperate the needs in each stage in the extrusion process.Simultaneously, also offer the cavity in the screw rod, so that material fully mixes in screw extruder.

Yet traditional screw rod single lead screw ex truding briquetting machine still has some shortcomings:

1, need cut off for the strip material, and traditional equipment adopts machinery knives to cut its accuracy and cleaning is difficult to guarantee.

2, the screw rod of traditional screw extruder directly is positioned in the cavity of ellipse or circular cross-section, and in extruding and the course of conveying, material is easy to pile up in some position generation, thereby squeezing effect is reduced again.

3 and owing in the screw rod cavity packing phenomenon is often arranged, and these deposits of failing for a long time fully to be pushed can condense into piece after after a while, thus the uniformity coefficient of integral product output efficiency and product influence, need often to clear up.Yet the screw rod of traditional twin (double) screw extruder is changed the process difficulty, and after shutting down, screw rod still can produce mechanical rotation because of the structure of mutual interlock, causes the accident easily.

Summary of the invention

The invention provides a kind of integrated extrusion molding equipment, comprise feed arrangement (20) successively, screw extruder (10), extrusion die (40), rotary motor case (50), coating unit, conveyer (70) and shearing device (90), wherein: described feed arrangement (20) is for having the loading hopper of flow control valve and monitoring equipment; Described screw extruder (10) comprises the cavity that screw rod is installed, supporting strut, and with many screw rods of the mutual airtight interlock of inside cavity; Described extrusion die (40) has two extrusion dishes (41), and extrusion dish is the frustum shape, and extrusion is distributed on the outer ring surface of disk; Described conveyer (70) is arranged on the extrusion dish below, comprises driving rolls and has adhering conveyer belt (72);

Be provided with shearing device (90) between the adjacent conveyer belt, comprise jet (91), and the section shape material (210) that is cut to regular length by the high-pressure spray (92) that jet sends with the moving material (200) with strip.

Above-mentioned integrated extrusion molding equipment, wherein, described conveyer (70) can be divided into conveyer (70 ') behind a preceding conveyer (70) and, between two adjacent conveyers drop is arranged all, and back conveyer (70 ') highly is lower than preceding conveyer (70);

On the turning cylinder of preceding conveyer (70), be provided with fixedly pole (74) and saddle face (75), guiding strip moving material is back transmitting device (70 ') extremely, and material is cut off by high-pressure spray (92) exactly.

Above-mentioned integrated extrusion molding equipment, wherein, described jet (91) is for tilting, and and the angle of described saddle face (75) be between 85 ℃ to 95 ℃;

Described jet makes the basic homogeneous of length of final product by timing means batch (-type) jetting stream.

Above-mentioned integrated extrusion molding equipment wherein, includes three screw rods in the described screw extruder, described three screw rods are formed three-screw-rod structure, and three screw rod branch upper strata screw rod group and lower floor's screw rod is two-layer arranges;

The upper strata screw rod group comprises the first upper strata screw rod (1) and the second upper strata screw rod (2), and contactless between its two upper strata screw rods, the rotation direction of two screw rods is consistent; Lower floor's screw rod (3) and upper strata screw rod (1,2) airtight interlock respectively, and lower floor's screw rod rotation direction is opposite with upper strata screw rod direction.

Above-mentioned integrated extrusion molding equipment, wherein, described three-screw-rod structure, the screw rod that is positioned at the below is as the active screw rod, by drive motor; Two screw rods that are positioned at the top are rotated by the screw thread drive of mutual interlock as driven screw rod.

Above-mentioned integrated extrusion molding equipment, wherein, described three-screw-rod structure, totally three screw rods of screw rod group are by the gear drive of CD-ROM drive motor by the speed governing unanimity.

Above-mentioned integrated extrusion molding equipment wherein, has an internal layer cavity in the cavity of described screw extruder (10), with the whole combination of internal screw; The shape of internal layer cavity is close to the edge setting of screw-rod structure; Internal layer cavity (6) is outer also to be provided with an outer cavity (7), is sealed with the multiscrew structure in the described internal layer cavity, and is supported between the outer cavity (7).

Above-mentioned integrated extrusion molding equipment wherein, also is provided with a temperature control equipment (8) between described internal layer cavity and outer cavity, thermostat layer (9) is arranged at the bottom.

9. integrated extrusion molding equipment as claimed in claim 8 is characterized in that, described temperature control equipment is an electric heater unit, and is furnished with a plurality of temperature control equipments of regulation and control respectively along screw rod cavity axial segmentation.

Above-mentioned integrated extrusion molding equipment, wherein, described extrusion formation equipment comprises two groups or above screw extruder (10), and two groups of extruders are arranged in opposite directions, shared same extrusion die (40), described two extrusion dishes (41) and screw extruder omnidirectional distribution.

By the technical solution adopted in the present invention, can obtain following advantage:

1, conveyer by having high low head and high-pressure water knife system realize the segment processing of the material after the extrusion modling, can obtain the product of designated length exactly, and cutting process clean also, safety.

2, improve extruding efficient and utilization of space, can under the situation that does not enlarge the hold facility area, effectively increase the maximum output of separate unit extrusion equipment.

3, reduce the solid accumulation phenomenon, and reduced the cleaned and changed frequency of screw rod.

4, be convenient to the integral replacing and the repairing of screw rod, avoid changing the safety problem that produces in the screw rod process, and can under non-stop-machine situation, realize check maintenance the control of external cavity and temperature, checkout gear.

5, for control of the segmentation in the process of extrusion modling and maintenance, provide possibility.

Description of drawings

The extruder of Fig. 1 prior art;

The double-screw structure of Fig. 2 prior art;

The horizontal view of Fig. 3 extrusion formation equipment of the present invention;

The vertical view of Fig. 4 extrusion formation equipment of the present invention;

Fig. 5 screw extruder sectional view of the present invention;

Of the present invention pair of extruder omnidirectional distribution of Fig. 6 figure;

Fig. 7 extrusion formation equipment extruding screw of the present invention temperature regulating device and single screw rod distribution map.

The cut-away view of Fig. 8 extrusion die of the present invention;

Fig. 9 extrusion die of the present invention and conveyer belt distribution relation figure;

Figure 10 shearing device of the present invention and conveyer distribution schematic diagram;

Figure 11 conveyer of the present invention and on saddle face schematic diagram.

The specific embodiment

Referring to accompanying drawing 3 and accompanying drawing 4, be the vertical view of extrusion formation equipment horizontal flow chart of the present invention and equipment.Comprise feed arrangement (20), screw extruder (10), extrusion die (40), cutter sweep (30), rotary motor case (50), wherein, described feed arrangement (20) is for having the loading hopper of flow control valve and monitoring device; Described screw extruder (10) comprises the cavity that screw rod is installed, supporting strut, and with many screw rods of the mutual airtight interlock of inside cavity; Described extrusion die (40) has two extrusion dishes (41), and extrusion dish is the frustum shape, and extrusion is distributed on the outer ring surface of disk.Material enters screw extruder (10) by feed arrangement (20), there are twin-screw or multiscrew structure to carry out the extruding and the conveying of level in the screw extruder, and described material finally is accumulated to an end of close extrusion die (40), by the screw rod rotation process that continues, material is pushed into extrusion die, and via the extrusion cavities in the mould, described extrusion cavities is distributed on the circular extrusion dish (41), and material is extruded thus.

Extrusion die (40) equipment has two extrusion dishes (41), and extrusion dish is the frustum shape, and less at a side bore of extrusion die, and bigger at the side bore away from extrusion die.And be distributed with extrusion (42) on the extrusion dish, extrusion is distributed on the outer ring surface of disk.The preferred extrusion cavities arrangement of the present invention, extruding on the disk (41) as shown in Figure 3,3 one group arrangement of extrusion, and 3 extrusions of every group are arranged along the disk tangential direction.Can press certain angle with respect to disk and distribute,, be divided into and join 4 groups as 90 ° of angles.Perhaps also can take 120 ° of angles to distribute 3 groups or 60 ° of angles to distribute other equal mode for cloth such as 6 groups.The diameter of extrusion dish (41) is typically chosen between 15 to 65 centimetres, is preferably 15 centimetres of extrusion dishes to 30 cm diameters.The diameter of extrusion (42) is controlled to be between 1 millimeter to 15 millimeters, and the extrusion dish that can select to have different diameter extrusion cavities according to different product requirements as an alternative.The bore dia that wherein is preferred for making the extrusion of production reconstituted rice kernels equipment is 1.2 millimeters or 3.8 millimeters, so that the finished product final size can be near natural rice.The shape of described extrusion also can adopt other shapes such as square, rectangle, ellipse.

Referring to Fig. 8, the pressurizing unit middle body in the extrusion forming device of the present invention is a storage chamber (43), is used for storing the material that is delivered to extrusion die (40) from extruding screw.And the both sides, porch in that screw rod (1,2) and storage chamber are carried are provided with block (44) in addition to prevent feed back and to be piled up in the corner.Described extrusion dish (41) is gone up ternary extrusion (42), and big outer little taper in it is shaped as is beneficial to material and can continues the compaction rate that keeps certain when squeezing out extrusion dish.

Referring to Fig. 9, for extrusion die of the present invention (40) and conveyer (70) are in the vertical distribution state, described conveyer belt (72) be positioned at extrusion dish (41) under, simultaneously, the conveyer two ends are provided with baffle plate (73) and are scattered from conveyer belt behind the solid accumulation preventing.Described conveyer belt adopts material that rubber, plastics, smooth metal etc. have certain viscosity as the surface, and in the transport process, the material of extruding by extrusion cavities (42) is strip and is distributed on the conveyer belt.In the time of the generation speed extruded greater than material when conveyer belt (72) transfer rate, because the pulling effect of cohesive material makes product become straight and elongated; In the time of the generation speed extruded less than material when the transfer rate of conveyer belt (72), same because the traction of cohesive material and the free accumulation of material, the finished product that obtains is the product with certain degreeof tortuosity.The optional speed of conveyer belt is 2 to 25 cels, is preferably the 5-8 cel.And the rotation of described extrusion dish also can make product form specific forms such as winding, spiral.

Referring to Figure 10 and Figure 11, be shearing device of the present invention (90) and conveyer distribution schematic diagram, described conveyer is a section in all conveyers, only represents two adjacent conveyers and is positioned at herein shearing device.Described conveyer comprises preceding conveyer (70) and back conveyer (70 '), wherein, back conveyer setting (70 ') (70) of conveyer before being lower than, and two parts conveyer is close to mutually, conveyer belt transmitted rearward band transmission, i.e. direction from left to right as shown in Figure 10 before the direction of transfer of unprocessed moving material (200) was served as reasons.Be provided with saddle face (75) at preceding conveyer (70) end, by fixing pole (74) fixed support.Saddle face (75) is provided with roller (71) is close mutually, and it is positioned at the end of roller, it is downward-sloping position, be convenient to material directly through sliding to conveyer belt on the saddle face, push by moving material thereafter, make it to slide on the conveyer of back, and after the saddle face, be in vacant state along the saddle face.Above the joint of adjacent two conveyers, be provided with high-pressure water knife shearing device (90), comprise the jet (91) that is used for spray liquid flow (being generally current), the position of jet slightly tilts with respect to vertical direction, and almost vertical with the upper surface of saddle face, angle is between 85 ° to 95 °.By controller control, eject high-pressure spray (92) off and on, cut off material in the unsettled place of material, the pull power of cut material through transmitting with the below continues to transmit to follow up device, forms the section shape material (210) of length basically identical.Behind the track of high-pressure water knife, be provided with retracting device (93), be used to collect the material fragment of cut-out, and part is via the chip of two conveyers below intersection guides to.

In addition, described high-pressure water knife can be arranged side by side a plurality of, so that cut the long vertical bar material that whole transmission zone face is covered simultaneously.Wherein, jointly allocate according to the speed of conveyer belt the blanking time of high-pressure water knife, and the product that satisfies blanking time and conveyer belt transfer rate equals the scope of 30cm to 75cm.And, can adjust the specification of product material by independent adjusting line speed or injection interval time.

Referring to Fig. 5, the cross sectional view for the screw extruder of the preferred embodiment of the present invention has an internal layer cavity (6) in the cavity of described screw extruder (10), the whole combination of same internal screw (1,2,3), also comprise a charging notch (5), be used to allow the premix raw material enter extrusion equipment; The shape of internal layer cavity (6) is close to the edge setting of screw-rod structure; Internal layer cavity (6) is outer also to be provided with an outer cavity (7), is sealed with the three-screw-rod structure that three screw rods are formed in the described internal layer cavity, and is supported between the outer cavity (7).And three screw rods divide upper strata screw rod group (1,2) and two-layer the arranging of lower floor's screw rod (3).Wherein, the upper strata screw rod group comprises the first upper strata screw rod (1) and the second upper strata screw rod (2), and two screw rod height are identical, do not contact mutually, and rotation direction is identical, and material falls between the screw rod of upper strata by charging notch (5), pushes and mill through screw rod to enter the cavity zone line.Lower floor's screw rod (3) and upper strata screw rod group (1,2) difference interlock, the rotation direction of lower floor's screw rod (3) and the direction of rotation of upper strata screw rod group.The angle that the axle center of two upper strata screw rods is become with lower floor screw rod axial connecting line is 75-85 °, wherein preferred 80-83 °.Under the bottom of screw extruder be provided with thermostat layer (9), in be filled with isothermal liquid or steam, with the bulk temperature of assurance device greater than 40 ℃.

Therefore, the material that enters zone line enters the screw rod group bottom by lower floor's screw rod and the second upper strata screw rod (2) extruding rear section, and remainder enters in the transmission locus of the second upper strata screw rod (2).Subsequently, the material of bottom is after first upper strata screw rod (1) co-extruded, and part enters in the first upper strata screw rod, pushes with the lower floor screw rod once more; Remainder then enters zone line.Enter the material of zone line and the material that directly falls into,, enter respectively in the bottom and the second upper strata screw rod via the lower floor's screw rod and the second upper strata screw rod extruding by the charging notch.It should be noted that, in the extruder of this kind three-screw-rod structure, material resides in carries the time proportion of extruding more in lower floor's screw rod, account for overall 65%～80%, and have only partial material to get back in the screw rod of upper strata through extruding, simultaneously relevant with the viscosity characteristics of material itself, the material that viscosity is bigger, the ratio regular meeting that enters upper strata screw rod extruding is bigger.

Therefore, except routine utilize gear structure reach the device of rotation driving that drives three screw rods simultaneously implement the extruding, also can make two screw rods in top driven by the mode that only drives lower floor's screw rod along screw thread, realize the extruding of material, and reduce too much idle running and power consumption effectively, realize the utilization to greatest extent of power output.

Have fixed structure between described internal layer cavity and outer cavity, to keep the stable of two-layer cavity, fixed structure is conventional mechanical configurations such as mounting flange, fixed support; And the cushion that described fixed structure also can be made for porous material.And, in the space, bottom of described outer cavity and internal layer cavity, be provided with temperature-adjusting device (8), be heater specifically, may be selected to be resistance heater or steam fumarole, and detect the temperature of each section by the temperature sensor that is arranged on the axial diverse location of extruder.By being arranged on the axially heater of each section, regulate again, reach the control of multistage temperature, be convenient to the extruded product of difference extruding degree and position is carried out temperature control by electric control circuit or steam valve.

Referring to Fig. 7, view for segmentation heating spiral rod device of the present invention, as shown in the figure, only identify lower floor's screw rod (3), every screw rod all is divided into multistage, comprises extrusion tip (106), be distributed with first extruded segment (101) vertically successively, second extruded segment (102), the 3rd extruded segment (103), the 4th extruded segment (104) and the 5th extruded segment (105).The thread density of every section extruded segment is all inequality, and wherein the first extruded segment thread density maximum of the most close end (106) secondly is second extruded segment and the 4th extruded segment, and the 3rd extruded segment and the 5th extruded segment thread density are less.And, near corresponding each extruded segment, also be assigned heater (8) piecemeal, and specifically can be divided into first heater (81) according to different extruded segment, second heater (82), the 3rd heater (83), the 4th heater (84), slender acanthopanax thermic devices (85).And described heater is in the middle of two screw rod belows, each free independent temperature-adjusting device control.In the present invention, described heater is the thermal resistance of coiling, and is equipped with temperature sensor at corresponding heater place, so that regulate the temperature conditions of each specific position, can realize stepped temperature control.The extrusion temperature of screw extruder generally is controlled at 45-60 ℃, wherein at the 5th extruded segment place that material enters, temperature is controlled at 45-50 ℃, and the 4th extruded segment place temperature is 50-55 ℃, the 3rd extruded segment place temperature is 45-55 ℃, and first and second extruded segment temperature is 55-60 ℃.

Referring to Fig. 6, be of the present invention pair of extruder omnidirectional distribution structure chart.Comprise two groups screw extruder (10), two groups of extruders are arranged in opposite directions, shared same extrusion die (40), described two extrusion dishes (41) and screw extruder omnidirectional distribution.Simultaneously, also can take the shared same extrusion dies of screw extruder (10) (40) more than layered mode is realized two groups up and down, and the inwall of described extrusion die (40) need pass through dilatation and structure-reinforced, so that it can bear the common immense pressure that produces of many group extruders.

Combined screw-type extrusion device of the present invention, wherein, described extrusion forming device comprises two groups or above screw extruder (10), and two groups of extruders are arranged in opposite directions, be communicated to same extrusion die (40), described two extrusion dishes (41) and screw extruder omnidirectional distribution.

Above-mentioned combined screw-type extrusion device, wherein, described screw extruder (10) is in changing the screw rod process, by stopping the screw drive axle, subsequently screw rod and the internal layer cavity that is coated on the screw rod outside are unclamped jointly to a certain degree, promptly leave driving shaft fixed position 25 to 50 centimeters, with mechanical arm or hangar system, screw rod internal layer cavity and inner screw rod are replaced simultaneously, and new screw rod cavity and screw rod is mounted on the plant equipment.

Be provided with the dismounting groove on the internal layer cavity of screw rod, the dismounting groove distributes vertically, is positioned on the tangent plane direction of two screw rod contact points.And, by dismantling groove behind its length direction cutting damage, the internal layer cavity can be opened, thereby take out the screw rod be coated on respectively in the cavity, clean separately and safeguard.And can put new internal layer cavity and recycle.

Extrusion molding apparatus of the present invention, wherein, described cutter sweep below is provided with conveyer, and conveyer is accepted the product of cutter sweep excision forming, is transported to an oven dry treating apparatus.Conveyer more specifically is a conveyer belt, its be positioned at extrusion under, and the outside is coated with the funnel-form casing, becomes scattered about outside the conveyer belt after avoiding product to extrude.

On the direction of transfer of conveyer belt, also be provided with liquid film application system or paint finishing, with ediblely film, coating material such as edible oil, grease is coated on the product.

Coat film can play prevent the cereal hydrate inter-adhesive, with the adhesion of machine, further prevent contingent cracking in the follow-up dry run, also be beneficial to the shape of keeping the cereal hydrate.

Foregoing is exemplifying of specific embodiments of the invention, for the wherein not equipment of detailed description and structure, should be understood to take the existing conventional equipment in this area to be implemented.

Claims

1. integrated extrusion molding equipment, comprise feed arrangement (20) successively, screw extruder (10), extrusion die (40), rotary motor case (50), coating unit, conveyer (70) and shearing device (90) is characterized in that: described feed arrangement (20) is for having the loading hopper of flow control valve and monitoring equipment; Described screw extruder (10) comprises the cavity that screw rod is installed, supporting strut, and with many screw rods of the mutual airtight interlock of inside cavity; Described extrusion die (40) has two extrusion dishes (41), and extrusion dish is the frustum shape, and extrusion is distributed on the outer ring surface of disk; Described conveyer (70) is arranged on the extrusion dish below, comprises driving rolls and has adhering conveyer belt (72);

2. integrated extrusion molding equipment as claimed in claim 1, it is characterized in that, described conveyer (70) can be divided into conveyer (70 ') behind a preceding conveyer (70) and, between two adjacent conveyers drop is arranged all, back conveyer (70 ') highly is lower than preceding conveyer (70);

3. integrated extrusion molding equipment as claimed in claim 2 is characterized in that, described jet (91) is for tilting, and and the angle of described saddle face (75) be between 85 ° to 95 °;

4. integrated extrusion molding equipment as claimed in claim 1 is characterized in that, includes three screw rods in the described screw extruder, and described three screw rods are formed three-screw-rod structure, and three screw rod branch upper strata screw rod group and lower floor's screw rod is two-layer arranges;

5. integrated extrusion molding equipment as claimed in claim 4 is characterized in that, described three-screw-rod structure, and the screw rod that is positioned at the below is as the active screw rod, by drive motor; Two screw rods that are positioned at the top are rotated by the screw thread drive of mutual interlock as driven screw rod.

6. integrated extrusion molding equipment as claimed in claim 4 is characterized in that, described three-screw-rod structure, and totally three screw rods of screw rod group are by the gear drive of CD-ROM drive motor by the speed governing unanimity.

7. as any described integrated extrusion molding equipment in the claim 1 to 6, it is characterized in that having an internal layer cavity in the cavity of described screw extruder (10), with the whole combination of internal screw; The shape of internal layer cavity is close to the edge setting of screw-rod structure; Internal layer cavity (6) is outer also to be provided with an outer cavity (7), is sealed with the multiscrew structure in the described internal layer cavity, and is supported between the outer cavity (7).

8. integrated extrusion molding equipment as claimed in claim 7 is characterized in that, also is provided with a temperature control equipment (8) between described internal layer cavity and outer cavity, and thermostat layer (9) is arranged at the bottom.

10. integrated extrusion molding equipment as claimed in claim 9, it is characterized in that, described extrusion formation equipment comprises two groups or above screw extruder (10), two groups of extruders are arranged in opposite directions, shared same extrusion die (40), described two extrusion dishes (41) and screw extruder omnidirectional distribution.