CN101884427A - Expanded food forming processing equipment - Google Patents
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- CN101884427A CN101884427A CN2009100509379A CN200910050937A CN101884427A CN 101884427 A CN101884427 A CN 101884427A CN 2009100509379 A CN2009100509379 A CN 2009100509379A CN 200910050937 A CN200910050937 A CN 200910050937A CN 101884427 A CN101884427 A CN 101884427A
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Abstract
The invention provides expanded food forming processing equipment, comprising feeding devices (20), screw extruders (10), an extrusion die (40), rotary motor boxes (50), a coating device (60), a conveyor belt (70) and cutting devices (90) in sequence, wherein the screw extruders (10) are provided with a plurality of screws which closely occlude with each other; the extrusion die (40) is provided with two extrusion discs; the conveyor device (70) is arranged below one extrusion disc and comprises driving rolls and an adhering conveyor belt (72); the coating device (60) is a vertical liquid film coating device; and the liquid film is formed by liquid flow (67) formed by a plurality of closely arranged oil nozzles (66) and is used for coating the surfaces of the materials passing through the liquid film. For the long-strip materials needing to be cut, the traditional mechanical tools are used for cutting the materials and the precision and the cleanliness are hard to be ensured, while the high-pressure water cutting machine can realize cutting of the products more cleanly and efficiently.
Description
Technical field
The present invention relates to a kind of expanded food forming processing equipment, specifically adopt screw extruder and supporting extrude, coating, shearing device 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 → 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.
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, former.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, the product that obtains of traditional extrusion 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, packing phenomenon is often arranged in the screw rod cavity, 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 expanded food forming processing equipment, comprise feed arrangement (20) successively, screw extruder (10), extrusion die (40), rotary motor case (50), coating unit (60), conveyer belt (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);
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.
Above-mentioned expanded food forming processing equipment, wherein, 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 expanded food forming processing 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.
Described jet (91) is for tilting, and and the angle of described saddle face (75) be between 85 ° to 95 °.
Above-mentioned expanded food forming processing equipment, wherein, the bore of described jet (66) 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.
Above-mentioned expanded food forming processing equipment 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 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.
Above-mentioned expanded food forming processing equipment, wherein, the coated frame (64) of described coating unit (60) is set to be wrapped in conveyer belt (70) outside, and described conveyer belt (70) is provided with the device that is used to collect reuse oil at the front and back position through coating unit.
Above-mentioned expanded food forming processing 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 double-screw structure in the described internal layer cavity, and is supported between the outer cavity (7).
Above-mentioned expanded food forming processing 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.
Above-mentioned expanded food forming processing equipment, 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 expanded food forming processing 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, need cut off for the strip material, traditional equipment adopts machinery knives to cut its accuracy and cleaning is difficult to guarantee, and high-pressure water knife can be realized cutting apart of product more cleanly and efficiently.
2, by being applied grease, product after the extrusion modling (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.
3, 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.
4, reduce the solid accumulation phenomenon, and reduced the cleaned and changed frequency of screw rod.
5, 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.
6, 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;
Fig. 8 coating unit front view of the present invention;
The lateral plan of Fig. 9 coating unit of the present invention;
The schematic diagram of Figure 10 coating unit of the present invention and conveyer;
Figure 11 shearing device of the present invention and conveyer distribution schematic diagram;
Figure 12 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 Figure 11 and Figure 12, 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 11 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 extrusion device below is provided with conveyer (70), and conveyer is accepted the product of extrusion device extrusion modling, is transported to an oven dry treating apparatus.
Referring to Fig. 8 and Fig. 9, be respectively the front and the lateral plan of coating unit of the present invention (60), 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 liquid stream (67) formation liquid film that is formed by a plurality of jets that closely are arranged in a row (66) at coated frame (64) top applies the material surface by wherein.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) top has a plurality of throttling funnels (63), in order to from the fuel reserve tank of upper strata fluid is delivered in the jet (66), is 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 of the present invention (60) 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 10, be the combine schematic diagram of coating unit of the present invention with conveyer, under described conveyer (70) setting and the extrusion dish (41), comprise delivery roller (71) and conveyer belt (72).Extruded material directly drops on the conveyer belt, by regulating the speed of conveyer belt, can make the material product stretching or curling.Concrete, when line speed during greater than the material extruded velocity, material is able to stretching; When line speed during less than the material extruded velocity, material is the shape that curls.The material that squeezes out enters on the conveyer belt (72) and transmits.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.
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. expanded food forming processing equipment, comprise feed arrangement (20) successively, screw extruder (10), extrusion die (40), rotary motor case (50), coating unit (60), conveyer belt (70), and shearing device (90), it 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);
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.
2. expanded food forming processing equipment as claimed in claim 1, it is characterized in that, 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.
3. 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);
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.
Described jet (91) is for tilting, and and the angle of described saddle face (75) be between 85 ° to 95 °.
4. expanded food forming processing equipment as claimed in claim 1, it is characterized in that, the bore of described jet (66) 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.
5. expanded food forming processing equipment as claimed in claim 1, 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.
6. expanded food forming processing equipment as claimed in claim 1, it is characterized in that, the coated frame (64) of described coating unit (60) is set to be wrapped in conveyer belt (70) outside, and described conveyer belt (70) is provided with the device that is used to collect reuse oil at the front and back position through coating unit.
7. as any described expanded food forming processing 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 double-screw structure in the described internal layer cavity, and is supported between the outer cavity (7).
8. expanded food forming processing 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.
9. expanded food forming processing 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.
10. expanded food forming processing 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.
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| CN2009100509379A CN101884427A (en) | 2009-05-11 | 2009-05-11 | Expanded food forming processing equipment |
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| CN2009100509379A CN101884427A (en) | 2009-05-11 | 2009-05-11 | Expanded food forming processing equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102160679A (en) * | 2011-02-25 | 2011-08-24 | 江苏牧羊集团有限公司 | Water-containing material extruding, bulking and drying device and drying method using same |
| CN102630807A (en) * | 2012-04-26 | 2012-08-15 | 北京金地三福膨化机制造(大厂)有限公司 | Extrusion type expansion machine and extrusion die used for same |
| CN104839589A (en) * | 2015-06-09 | 2015-08-19 | 烟台泉源食品有限公司 | Apple crispy chip water-spraying equipment and processing process thereof |
| CN111972501A (en) * | 2020-09-04 | 2020-11-24 | 合肥凯斯迪智能科技有限公司 | Bean puffed food production equipment |
| CN117564651A (en) * | 2024-01-19 | 2024-02-20 | 安徽汉普斯精密传动有限公司 | Automatic oiling and press mounting equipment for motor oil seal |
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2009
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102160679A (en) * | 2011-02-25 | 2011-08-24 | 江苏牧羊集团有限公司 | Water-containing material extruding, bulking and drying device and drying method using same |
| CN102630807A (en) * | 2012-04-26 | 2012-08-15 | 北京金地三福膨化机制造(大厂)有限公司 | Extrusion type expansion machine and extrusion die used for same |
| CN102630807B (en) * | 2012-04-26 | 2013-04-10 | 北京金地三福膨化机制造(大厂)有限公司 | Extrusion type expansion machine and extrusion die used for same |
| CN104839589A (en) * | 2015-06-09 | 2015-08-19 | 烟台泉源食品有限公司 | Apple crispy chip water-spraying equipment and processing process thereof |
| CN111972501A (en) * | 2020-09-04 | 2020-11-24 | 合肥凯斯迪智能科技有限公司 | Bean puffed food production equipment |
| CN117564651A (en) * | 2024-01-19 | 2024-02-20 | 安徽汉普斯精密传动有限公司 | Automatic oiling and press mounting equipment for motor oil seal |
| CN117564651B (en) * | 2024-01-19 | 2024-04-23 | 安徽汉普斯精密传动有限公司 | Automatic oiling and press mounting equipment for motor oil seal |
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Application publication date: 20101117 |