CN101779683A - Multi-screw extruding and molding equipment - Google Patents
Multi-screw extruding and molding equipment Download PDFInfo
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- CN101779683A CN101779683A CN200910045320A CN200910045320A CN101779683A CN 101779683 A CN101779683 A CN 101779683A CN 200910045320 A CN200910045320 A CN 200910045320A CN 200910045320 A CN200910045320 A CN 200910045320A CN 101779683 A CN101779683 A CN 101779683A
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Abstract
The invention provides multi-screw extruding and molding equipment which sequentially comprises feeding equipment (20), a screw extruder (10), an extruding mould (40), cutting equipment (30), a rotary motor box (50) and coating equipment, wherein the cavity of the multi-screw extruder (10) internally comprises four screws and an inner layer cavity integrally combined with the inner screws; in addition, an outer layer cavity (7) is also arranged outside each inner layer cavity; the four screws form a four-screw structure and are arranged up and down by layers; and adjacent screws are mutually and hermetically articulated pairwise. By adopting the four-screw structure, the extrusion efficiency and the utilization rate of spaces of the multi-screw extruding and molding equipment are improved, and the highest productivity of single extruding equipment can be effectively increased without enlarging the occupation area of the equipment.
Description
Technical field
The present invention relates to a kind of multi-screw extruding and molding equipment, specifically adopt the extruder of four screw rods and supporting extrude, device such as excision forming, coating comes device 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 → 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.
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 single screw rod or twin (double) screw extruder have some shortcomings:
1, the screw rod of traditional twin (double) 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.
2 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.
3, the extruding efficient of the extrusion structure of traditional single screw rod or twin-screw improves and can only obtain by increasing screw size, yet can cause the decline of the extruding efficient and the extruding quality of entire equipment along with the increase of screw size.
Summary of the invention
The invention provides a kind of multi-screw extruding and molding equipment, adopted the extruding of four screw rods to extrude structure, four screw rods are redesigned at the rotation mode of cavity; And the temperature section of screw rod added thermal control; Multiscrew and with screw rod all-in-one-piece inner chamber body integral replacing device; Spraying equipment behind the excision forming; Cutter sweep on the conveyer belt adopts high-pressure water knife for example etc. to pollute less cutting tool, and is provided with the particle retracting device at corresponding cut-out point place.
Above various improvement have all improved the operating efficiency of cereal extrusion forming device effectively, and the quality control of product is better improved, and have also strengthened the reasonability of being convenient to operability and overal system design of equipment simultaneously.
The invention provides a kind of multi-screw extruding and molding equipment, comprise apparatus for feeding (20) successively, screw extruder (10), extrusion die (40), cutting equipment (30), rotary motor case (50), and coating equipment, wherein, described apparatus for feeding (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 cutting equipment (30) comprises cutter (31), cutter moving track (32), and described cutter (31) are close to the extrusion dish setting;
Include four screw rods in the cavity of above-mentioned multiscrew extrusion machine (10).
Above-mentioned extrusion forming device, wherein, described four screw rods are formed four screw-rod structures, and four screw rod branch upper strata screw rod group and lower floor's screw rod group is two-layer arranges;
The mutual airtight interlock of upper strata screw rod group, the rotation direction of interlock place is for rotating; The mutual airtight interlock of lower floor's screw rod group, the rotation direction of interlock place is for upwards rotating; Simultaneously, upper strata screw rod group and lower floor's screw rod group are stacked up and down, the mutual in twos airtight interlock of adjacent screw rod.
Above-mentioned extrusion formation equipment, wherein, described extruder is four screw extruders (10), comprises four extruding screw (1,2,3,4) and charging notches (5) that are meshing with each other and rotate, described charging notch is the downward conical funnel of the vertex of a cone.
Above-mentioned extrusion formation equipment, wherein, described four screw-rod structures, two screw rods that are positioned at the below are 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 extrusion formation equipment, wherein, described four screw-rod structures, two groups of totally four screw rods up and down are by the gear drive of CD-ROM drive motor by the speed governing unanimity.
Above-mentioned extrusion formation 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 four screw-rod structures in the described internal layer cavity, and is supported between the outer cavity (7).
Above-mentioned extrusion formation equipment wherein, also is provided with a temperature control equipment (8) between described internal layer cavity and outer cavity.
Above-mentioned extrusion formation 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 extrusion formation 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.
Above-mentioned extrusion formation equipment, wherein, described screw extruder (10) with described internal layer cavity and the whole taking-up of screw rod, is realized the whole replacement of described screw rod group in changing the screw rod process.
By the technical solution adopted in the present invention, can obtain following advantage:
1, improves 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.
2, reduce the solid accumulation phenomenon, and reduced the cleaned and changed frequency of screw rod.
3, 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.
4, 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 four screw extruder sectional views of the present invention;
Of the present invention pair of extruder omnidirectional distribution of Fig. 6 figure;
Fig. 7 multiscrew extrusion machine screw rod of the present invention multiscrew segmentation distribution map;
The single screw rod distribution map of Fig. 8 multiscrew extrusion machine temperature regulating device 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 (31), cutter moving track (32), and described cutter (31) are close to the extrusion dish setting.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 extrusion dish by a turning cylinder, 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 extrusion dish rotate with certain speed.According to the speed governing of motor, the rotating speed of described extrusion dish is controlled between the 35RPM to 85RPM, and preferred rotating speed is 45RPM to 55RPM.
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.
In the cutter sweep in the extrusion formation equipment of the present invention, cutter (31) are moved horizontally by moving track (32) guiding, and moving track impels cutter to move back and forth as horizontal cross by drive motor and the driving-belt control that is placed in the cutter sweep; Distance between the reciprocating motion plane of cutter and the disc face of described basic disk is controlled between 2～12 millimeters.Wherein preferred range is 2～5 millimeters.Simultaneously, on described cutter sweep, be provided with antidetonation and buffer structure in the moving track on cutter, for example cushion pad, buffer spring, and the antidetonation groove of between described moving track and cutter, making with padded coaming.Simultaneously, the length of cutter is greater than extruding disk diameter, and its lower end should be lower than the position of disk bottom.The length of cutter should be short as far as possible, also is convenient to the cutting process smoothness with minimizing vibrations amplitude of vibration and carries out.The length of cutter is generally between 35 to 75 centimetres, be preferably more than to extrude 8 to 10 centimetres of disk diameters, and the lower end is lower than and extrudes 2 to 2.5 centimetres in disk.
Referring to Fig. 5, the cross sectional view for the multiscrew extrusion machine of the preferred embodiment of the present invention has an internal layer cavity (6) in the cavity of described screw extruder (10), same internal screw (1,2,3,4) whole combination also comprises a charging notch (5), is 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 four screw-rod structures that four screw rods are formed in the described internal layer cavity, and is supported between the outer cavity (7).And four screw rods divide upper strata screw rod group (1,2) and two-layer the arranging of lower floor's screw rod group (3,4).Wherein, the upper strata screw rod group comprises the first upper strata screw rod (1) and the second upper strata screw rod (2), two mutual interlocks of screw rod, rotate in opposite directions, promptly put down to forwarding to downwards in the rotation of its interlock place, 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 group (3,4) comprises first lower floor's screw rod (3) and second lower floor's screw rod (4), two mutual interlocks of screw rod, and rotate dorsad, promptly at the occlusal position place of two screw rods, the rotation direction of two screw rods is upwards and rotates.Simultaneously, the first upper strata screw rod (1) and the interlock mutually of first lower floor's screw rod (3), the interlock mutually of the second upper strata screw rod (2) and second lower floor's screw rod (4), the rotation direction of their interlocks place is and laterally rotates.Therefore, the material that enters zone line is squeezed to the outside once more by lower floor's screw rod, part is via upper strata screw rod group (1,2) be delivered to the top and push once more, remainder then is delivered to the below also via lower floor's screw rod group (3,4), and by lower floor's screw rod group (3,4) transmission is pushed once more and is transferred to zone line, and enters both sides extruding, shunting upper strata and lower floor.Simultaneously, be easy to pile up the material place, be provided with the bulge-structure of screw rod cross-sectional shape, push once more to help material in time to rotate by screw rod in the bottom.It should be noted that, in the extruder of this kind four screw-rod structures, in lower floor's screw rod, carry the material proportion of extruding more, account for overall 65%～85%, 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 4 screw rods simultaneously implement the extruding, also can make two screw rods in top driven by the mode that only drives two screw rods in below 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 and Fig. 8, view for segmentation heating spiral rod device of the present invention, as shown in the figure, only identify upper strata screw rod (1,2), every screw rod is divided into multistage respectively, wherein first screw rod (1) comprises extrusion tip (106), is 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); Second screw rod (2) comprises extrusion tip (206), is distributed with first extruded segment (201) vertically successively, second extruded segment (202), the 3rd extruded segment (203), the 4th extruded segment (204) and the 5th extruded segment (205).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, below 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 contact recess of position of each root screw rod, separately by independently 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.
Extrusion molding apparatus 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 extrusion molding apparatus, 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 particle.
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. multi-screw extruding and molding equipment, comprise apparatus for feeding (20) successively, screw extruder (10), extrusion die (40), cutting equipment (30), rotary motor case (50), and coating equipment is characterized in that: described apparatus for feeding (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 cutting equipment (30) comprises cutter (31), cutter moving track (32), and described cutter (31) are close to the extrusion dish setting;
Include four screw rods in the cavity of described multiscrew extrusion machine (10).
2. extrusion forming device as claimed in claim 1 is characterized in that, described four screw rods are formed four screw-rod structures, and four screw rod branch upper strata screw rod group and lower floor's screw rod group is two-layer arranges;
The mutual airtight interlock of upper strata screw rod group, the rotation direction of interlock place is for rotating; The mutual airtight interlock of lower floor's screw rod group, the rotation direction of interlock place is for upwards rotating; Simultaneously, upper strata screw rod group and lower floor's screw rod group are stacked up and down, the mutual in twos airtight interlock of adjacent screw rod.
3. extrusion formation equipment as claimed in claim 1 is characterized in that, described extruder is four screw extruders (10), comprise four extruding screws (1,2,3 that are meshing with each other and rotate, 4) and a charging notch (5), described charging notch is the downward conical funnel of the vertex of a cone.
4. extrusion formation equipment as claimed in claim 2 is characterized in that, described four screw-rod structures, and two screw rods that are positioned at the below are 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.
5. extrusion formation equipment as claimed in claim 2 is characterized in that, described four screw-rod structures, and two groups of totally four screw rods up and down are by the gear drive of CD-ROM drive motor by the speed governing unanimity.
6. as any described extrusion formation equipment in the claim 1 to 5, 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 four screw-rod structures in the described internal layer cavity, and is supported between the outer cavity (7).
7. extrusion formation equipment as claimed in claim 5 is characterized in that, also is provided with a temperature control equipment (8) between described internal layer cavity and outer cavity, and described temperature control equipment axial distribution is to axial each section difference of multiscrew extrusion machine temperature control.
8. extrusion formation equipment as claimed in claim 7 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.
9. extrusion formation equipment as claimed in claim 8, 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.
10. extrusion formation equipment as claimed in claim 1 is characterized in that, described screw extruder (10) with described internal layer cavity and the whole taking-up of screw rod, is realized the whole replacement of described screw rod group in changing the screw rod process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910045320A CN101779683A (en) | 2009-01-15 | 2009-01-15 | Multi-screw extruding and molding equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910045320A CN101779683A (en) | 2009-01-15 | 2009-01-15 | Multi-screw extruding and molding equipment |
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| CN101779683A true CN101779683A (en) | 2010-07-21 |
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| CN200910045320A Pending CN101779683A (en) | 2009-01-15 | 2009-01-15 | Multi-screw extruding and molding equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105594776A (en) * | 2016-04-08 | 2016-05-25 | 李建国 | Full-automatic fried bread stick forming machine |
| CN110896972A (en) * | 2019-12-19 | 2020-03-24 | 宿州麦香缘食品有限公司 | Dough extrusion device |
| CN110959642A (en) * | 2019-12-19 | 2020-04-07 | 宿州麦香缘食品有限公司 | Sandwich flour cake production equipment |
-
2009
- 2009-01-15 CN CN200910045320A patent/CN101779683A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105594776A (en) * | 2016-04-08 | 2016-05-25 | 李建国 | Full-automatic fried bread stick forming machine |
| CN110896972A (en) * | 2019-12-19 | 2020-03-24 | 宿州麦香缘食品有限公司 | Dough extrusion device |
| CN110959642A (en) * | 2019-12-19 | 2020-04-07 | 宿州麦香缘食品有限公司 | Sandwich flour cake production equipment |
| CN110959642B (en) * | 2019-12-19 | 2021-09-14 | 宿州麦香缘食品有限公司 | Sandwich flour cake production equipment |
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Application publication date: 20100721 |