CN101919573A - Composite grain extrusion cutting and molding system - Google Patents
Composite grain extrusion cutting and molding system Download PDFInfo
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- CN101919573A CN101919573A CN2009100529298A CN200910052929A CN101919573A CN 101919573 A CN101919573 A CN 101919573A CN 2009100529298 A CN2009100529298 A CN 2009100529298A CN 200910052929 A CN200910052929 A CN 200910052929A CN 101919573 A CN101919573 A CN 101919573A
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Abstract
The invention provides a composite grain extrusion cutting and molding system, whrein the composite grains are subjected to the steps of feeding, screw extrusion, squeezing out, cutting, conveying, film coating, drying, and the like. The system particularly comprises a feeding device (20), a screw extruder (10), an extrusion mold (40), a cutting device (30), a rotary motor box (50), a coating device (60) and a conveyer belt (70). The grain particle product with high yield and high stability can be obtained through the efficient extrusion of a plurality of groups of screws, the cutting of a rotary cutter and the oil fat coating to an extruded and cut product.
Description
Technical field
The present invention relates to a kind of composite grain extrusion cutting and molding system, specifically adopt screw extruder and supporting extrude, excision forming, coating unit come equipment that premixed rice flour mash or dough are processed, belong 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 → excision forming → drying → screening → join rice in proportion.
And the step of extruding-excision forming 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.
Simultaneously, because the techniqueflow of extrusion modling process can be processed into cereal the product with certain puffed degree and mellowness, be applicable to products such as various food, nourishing additive agent, animal feed.
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 extruding excision forming machine still has some shortcomings:
1, the product that obtains of traditional extruding cutting equipment directly carries out the heating, drying step, yet but tends in baking step and since the product that contains moisture suddenly dehydration cause product surface to break or pulverize, cause the yield rate reduction.
2, the output of traditional extrusion formation equipment and productive rate are difficult to be greatly improved.
3, 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.
4, 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, thereby influence the uniformity coefficient of integral product output efficiency and product, need often cleaning.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 composite grain extrusion cutting and molding system, comprising:
Above-mentioned composite grain extrusion cutting and molding system, wherein, the feed rate of described feed step is: 1.2 tons/hour～4 tons/hour.
Above-mentioned composite grain extrusion cutting and molding system, wherein, the screw rod slewing rate of described screw rod pressing steps is: 20～180 rev/mins.
Above-mentioned composite grain extrusion cutting and molding system, wherein, the rotating speed of the cutter in the cutting step is set to 80-280rpm.
Above-mentioned composite grain extrusion cutting and molding system, wherein, the cutter blade 32 of described cutter sweep is four, and adjacent two blades are an angle of 90 degrees distribution mutually; The range of speeds of described cutter is 110-220rpm.
Above-mentioned composite grain extrusion cutting and molding system wherein, includes three screw rods in the cavity of described screw extruder 10, 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 1, the 2 airtight interlock respectively of upper strata screw rod, and lower floor's screw rod rotation direction is opposite with upper strata screw rod direction.
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 composite grain extrusion cutting and molding system, wherein, described coating unit 60 is vertical liquid film coating unit, comprises upper strata fuel reserve tank 61, lower floor's fuel reserve tank 62, oil pump 69 and pipeline road 68;
In the middle of the described coating unit be the coated frame 64 of hollow, and the liquid that is formed by a plurality of compact arranged jet 66 at coated frame 64 tops flows 67 and constitutes liquid film, and the material surface by is wherein applied.
Above-mentioned composite grain extrusion cutting and molding system 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; Also be provided with an outer cavity 7 outside the internal layer cavity 6, be sealed with double-screw structure in the described internal layer cavity, and be supported between the outer cavity 7.
Above-mentioned composite grain extrusion cutting and molding system, wherein, 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 composite grain extrusion cutting and molding system, wherein, described extrusion formation equipment comprises that two groups or above 10, two groups of extruders of screw extruder arrange 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, by being applied grease, extruding cutting back product (mainly refers to all kinds of edible oil and fat, especially refer to soybean oil, olive wet goods vegetable oil), so that it can obtain the better overall form before oven dry, and can effectively prevent in the predrying process because moment the high temperature cracking and the fragmentation that cause.
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;
The lateral plan of Fig. 9 coating unit of the present invention;
Figure 10 coating unit front view of the present invention;
The schematic diagram of Figure 11 coating unit of the present invention and conveyer;
Figure 12 integrated artistic flow chart of the present invention.
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; Described cutter sweep 30 comprises cutter blade 32, cutter rotating shaft 31, and the knife face of pressing close to extrusion dish 41 surfaces of described cutter blade 32 is plane or inclined-plane, the cut surface that is directly used in cutting is parallel to described extrusion dish 41 surfaces and is provided with.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.Described cutter sweep 30 by a cutter rotating shaft 31, is connected by turning cylinder 51 with the rotary motor case 50 of outside, and the axial transmission of the turning cylinder by motor makes cutter rotating shaft 31 drive cutter blades 32 and rotates with certain speed.Speed governing according to motor, with the controllable rotation speed scope of described cutter be: between the 15RPM to 600RPM, in extruding, cutting and forming integrated equipment of the present invention, the preferred rotating speed that is applicable to product is: 80-280RPM, the wherein normal rotating speed that uses is respectively: 110RPM, 150RPM, 180RPM and 220RPM.
Extrusion die 40 equipment have 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.
In the cutter sweep in the pressurizing unit of the present invention, cutter blade 32 is fixed in the cutter rotating shaft 31 by axle sleeve, axially drives by rotary motor by cutter rotating shaft 31, drives cutter blade 32 and rotates.Blade 32 length of cutter are slightly larger than the radius of adjacent extrusion dish, blade exceeds the length of extrusion dish between 2-5cm, described cutter sweep 30 also has an outer cover, to coat whole cutter blade, have and the corresponding square breach of conveyer belt that is positioned under the extrusion dish mouth in its underpart, preventing that material from dispersing or sputter in cutting process, and can make it enter conveyer belt.Described blade has 4, and is arc along the blade of its rotation direction (clockwise); Be used for directly cutting the material place on the described blade and have a cut surface, described cut surface is parallel to the extrusion dish plane.Blade can be set to full wafer and entirely presses close to extrusion dish in addition; Perhaps blade integral and extrusion dish plane tilt, but in the position near the cut surface place, have one section with extrusion dish near parallel transition face, its actual and extrusion dish has the angle of inclination of 0-15 degree.The cut surface and the distance between the extrusion dish of described cutter are: the 1-15 millimeter is preferably the 2-7 millimeter.
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.Ternary extrusion 42 on the described extrusion dish 41, 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. 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, with internal screw 1,2,3 whole combinations, 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; Also be provided with an outer cavity 7 outside the internal layer cavity 6, be sealed with the three-screw-rod structure that three screw rods are formed in the described internal layer cavity, and be supported between the outer cavity 7.And three screw rods divide upper strata screw rod group 1,2 and lower floor's screw rod 3 two-layer arranging.Wherein, the upper strata screw rod group comprises that the first upper strata screw rod 1 is identical with 2, two screw rod height of the second upper strata screw rod, 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 1,2 interlock respectively of upper strata screw rod group, the direction of rotation of the rotation direction of lower floor's screw rod 3 and 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 sections, and remainder enters in the transmission locus of the second upper strata screw rod 2.Subsequently, the material of bottom is after the 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 three extruded segment, 103, the four extruded segment 104 and the 5th extruded segment 105.The thread density of every section extruded segment is all inequality, and secondly wherein the most close terminal 106 the first extruded segment thread density maximum 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, the second heaters, 82, the three heaters, 83, the four heaters, 84, the slender acanthopanax thermic devices 85 according to different extruded segment.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.10, the two groups of extruders of screw extruder that comprise two groups 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 screw extruder 10 shared same extrusion dies 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 that two groups or above 10, two groups of extruders of screw extruder arrange 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 70, and conveyer is accepted the product of cutter sweep excision forming, is transported to an oven dry treating apparatus.
Referring to Fig. 9 and Figure 10, be respectively the front and the lateral plan of coating unit 60 of the present invention, described coating unit is vertical liquid film coating unit, comprises upper strata fuel reserve tank 61, lower floor's fuel reserve tank 62, oil pump 69 and pipeline road 68; Described oil pump is promoted to the oil plant in lower floor's fuel reserve tank 62 in the upper strata fuel reserve tank 61 aperiodically according to oil mass in lower floor's fuel reserve tank and oil pressure situation.Described pipeline road can adopt metal or hard plastic tube, also can adopt plastic hose.In the middle of the described coating unit is the coated frame 64 of a hollow, and the liquid that is formed by a plurality of jets that closely are arranged in a row 66 at coated frame 64 tops flows 67 and constitutes liquid film, and the material surface by is wherein applied.The stronger surface tension that described vertical liquid film utilizes grease itself to be had is kept certain thickness liquid and is hung face from above, and its thickness can be controlled in the 0.8-1.5 millimeter according to the selection and the setting of jet.Described coated frame top has oil storage tank 65, in order to store and to distribute the oil in storage of each jet 66.Described oil storage tank directly is communicated with the jet of below, and oil storage tank 65 is adjusted into level, so that the flow of each jet, flow velocity are consistent substantially.Oil storage tank 65 tops have a plurality of throttling funnels 63, in order to from the fuel reserve tank of upper strata fluid is delivered in the jet 66, are provided with choke valve in each throttling funnel, can regulate separately, to distribute the average degree of each several part liquid stream in the coated frame.The bore of each jet 66 of coating unit 60 of the present invention is 1.5 millimeters to the maximum, and the spacing of described adjacent jet is the 2-5 millimeter, to form the coating liquid stream 67 near complete liquid film.
Referring to Figure 11, be the combine schematic diagram of coating unit of the present invention with conveyer, under described conveyer 70 settings and extrusion dish 41 and the cutter blade 32, comprise delivery roller 71 and conveyer belt 72.The cutter arranged outside has the baffle plate (not shown) that coats whole cutter sweep, and the transmission mouth of offering below baffle plate, and the material that cutting is finished is entered on the conveyer belt 72 to be transmitted.Described conveyer belt 72 is that the vibrations that the material on the conveyer belt obtains to a certain degree disperse by the mode of intermittent transfer.Having the baffle plate that prevents material spilling in described conveyer belt both sides, is on the described conveyer belt at baffle plate, all offers tiny hole, flows out for use in the fluid that applies.Material on the conveyer belt, in the process of the coated frame 64 by coating unit 60, be covered with one deck grease via from top to bottom liquid flow coat after, be sent to next section conveyer belt.And in being provided with the conveyer belt of coating unit, coating unit front-back direction place can be provided with the brush and the baffle plate that help fluid to be recycled to lower floor's fuel reserve tank 62, is beneficial to the fluid recovery and uses.
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 granular cereal hydrate.
The present invention also provides a kind of integrated composite cereal extrusion process.Referring to Figure 12, the overall flow figure for extrusion apparatus of the present invention comprises:
Feed step: with the material powder that obtains after the cleaning of cereal process, the pulverizing, through the pulpous state raw material that obtains after premix and the stirring, by the charging aperture of extruder, the screw extruder of packing into.And, feed arrangement has the loading hopper of flow control valve and monitoring equipment, adjusts inlet amount according to the operating condition and the product requirement of screw extruder, and equally spaced gradation charging is taked in charging, require lower product corresponding to the extruding degree, also can carry out continuous feed.Feed rate is controlled at: between 1.2 tons/hour～4 tons/hour, be preferably 2 tons/hour.
Screw rod pressing steps: by screw extruder,,, make the convey materials of preliminary mixing, pushed fully and shrink, and enter corresponding extrusion die, extrusion molding by extruding of the intermeshing screw thread of screw rod and helical feed with drive shaft.The rotating speed of screw rod is adjustable, and according to actual needs, its slewing rate generally is controlled at: 20～180rpm (rev/min), wherein preferred rotating speed is: 36rpm, 72rpm, 108rpm and 144rpm.Low-rotate speed 20rpm generally only uses in the test run stage.
Extrusion step: extrusion die 40 is connected with the extruder outlet end is airtight, its inside is provided with storage chamber 43 and extrusion 42, material through extruder shearing, extruding, after entering extrusion die, carry out extruding by extrusion after the short stay according to the shape of extrusion die 40 inside, the material that the conical design of extrusion 42 helps last moulding carries out the final step compression, makes the product structure consolidation.
Cutting step: the cutter sweep that is provided with in the position of the extrusion of being close to extrusion die, realization is to the homogenization cutting of material, cutter sweep comprises cutter blade 32 and cutter rotating shaft 31 specifically, by regulating the rotating speed of cutter, obtained difform product, according to the material extruded velocity of optimized design, the rotating speed of cutter is set to 110-220rpm, to obtain the granular product of shape approximation.
Transfer step: granular product falls on the conveyer belt 72 of extrusion dish below, and transmit via conveyer belt 72, the conveyer belt both sides have places the baffle plate that product leaks down, and be provided with netted sieve aperture in conveyer belt bottom and two bottom sides edge, the aperture of described sieve aperture is generally below the 2mm, be preferably 1.2mm or 0.8mm, further be sent to the oil film coating device.
Coated film step: to described material, by oil film coating coating device 60 coating one deck greases; Described coating fluid from top to bottom stays, and material is carried out flowing out by sieve aperture after of short duration half submergence.And via lower floor's oil collector sump tank collection, and pump and to carry out reuse in the upper strata.
Baking step: be sent to follow-up drying unit via conveyer belt more subsequently, carry out flow processs such as TRANSIENT HIGH TEMPERATURE oven dry and freeze-day with constant temperature, check through verifying attachment subsequently and enter and carry out the final finished packing in the packing device.
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 (10)
1. composite grain extrusion cutting and molding system comprises:
Feed arrangement (20), screw extruder (10), extrusion die (40), cutter sweep (30), rotary motor case (50), coating unit (60), and conveyer belt (70), 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 cutter sweep (30) in cutter sweep, comprises cutter blade (32), cutter rotating shaft (31);
It is characterized in that: described system passes through feed step, screw rod pressing steps, extrusion step, cutting step, transfer step, coated film step successively.
2. composite grain extrusion cutting and molding system as claimed in claim 1 is characterized in that: the feed rate of described feed step is: 1.2 tons/hour～4 tons/hour.
3. composite grain extrusion cutting and molding system as claimed in claim 1 is characterized in that: the screw rod slewing rate of described screw rod pressing steps is: 20～180 rev/mins.
4. composite grain extrusion cutting and molding system as claimed in claim 1 is characterized in that: the rotating speed of the cutter in the cutting step is set to 80-280rpm.
5. composite grain extrusion cutting and molding system as claimed in claim 1 is characterized in that, the cutter blade (32) of described cutter sweep is four, and adjacent two blades are an angle of 90 degrees distribution mutually; The range of speeds of described cutter is 110-220rpm.
6. as any described composite grain extrusion cutting and molding system among the claim 1-4, it is characterized in that: include three screw rods in the cavity of described screw extruder (10), 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.
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.
7. composite grain extrusion cutting and molding system as claimed in claim 1 is characterized in that, described coating unit (60) is vertical liquid film coating unit, comprises upper strata fuel reserve tank (61), lower floor's fuel reserve tank (62), oil pump (69) and pipeline road (68);
In the middle of the described coating unit be the coated frame (64) of hollow, and the liquid that is formed by a plurality of compact arranged jet (66) at coated frame (64) top flows (67) formation liquid film, and the material surface by is wherein applied.
8. as any described composite grain extrusion cutting and molding system in the claim 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 double-screw structure in the described internal layer cavity, and is supported between the outer cavity (7).
9. composite grain extrusion cutting and molding system 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.
10. composite grain extrusion cutting and molding system 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.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102987248A (en) * | 2012-11-16 | 2013-03-27 | 安徽省信誉机械有限责任公司 | High-efficiency and energy-saving one-step forming machine for non-fried self-cooked type instant noodles |
| CN103722633A (en) * | 2013-12-17 | 2014-04-16 | 南通密炼捏合机械有限公司 | Fly cutter discharge device of kneader |
| CN104431696A (en) * | 2014-08-27 | 2015-03-25 | 贵州大学 | Extruded cereal particles in liquid particle mixed sterilization product and preparation method of extruded cereal particles |
| CN105533784A (en) * | 2014-11-04 | 2016-05-04 | 李家桦 | Stuffed food shaping machine |
| CN107529766A (en) * | 2015-04-23 | 2018-01-02 | 创新食品设计Ifd股份公司 | Method |
| CN107712989A (en) * | 2017-11-02 | 2018-02-23 | 上海沃敉奥机电设备有限公司 | Secondary feed stuffing supply device device |
| IT202000001669A1 (en) * | 2020-01-29 | 2021-07-29 | Spagnuolo Alex | EQUIPMENT FOR THE EXTRUSION OF FOOD PRODUCTS |
-
2009
- 2009-06-11 CN CN2009100529298A patent/CN101919573A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102987248A (en) * | 2012-11-16 | 2013-03-27 | 安徽省信誉机械有限责任公司 | High-efficiency and energy-saving one-step forming machine for non-fried self-cooked type instant noodles |
| CN102987248B (en) * | 2012-11-16 | 2015-05-06 | 安徽省三车节能科技有限公司 | High-efficiency and energy-saving one-step forming machine for non-fried self-cooked type instant noodles |
| CN103722633A (en) * | 2013-12-17 | 2014-04-16 | 南通密炼捏合机械有限公司 | Fly cutter discharge device of kneader |
| CN104431696A (en) * | 2014-08-27 | 2015-03-25 | 贵州大学 | Extruded cereal particles in liquid particle mixed sterilization product and preparation method of extruded cereal particles |
| CN105533784A (en) * | 2014-11-04 | 2016-05-04 | 李家桦 | Stuffed food shaping machine |
| CN105533784B (en) * | 2014-11-04 | 2018-01-16 | 李家桦 | A kind of sandwich food forming machine |
| CN107529766A (en) * | 2015-04-23 | 2018-01-02 | 创新食品设计Ifd股份公司 | Method |
| CN107712989A (en) * | 2017-11-02 | 2018-02-23 | 上海沃敉奥机电设备有限公司 | Secondary feed stuffing supply device device |
| IT202000001669A1 (en) * | 2020-01-29 | 2021-07-29 | Spagnuolo Alex | EQUIPMENT FOR THE EXTRUSION OF FOOD PRODUCTS |
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Application publication date: 20101222 |