CN101773278A - Single-screw low-temperature wet-process puffing machine - Google Patents

Single-screw low-temperature wet-process puffing machine Download PDF

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Publication number
CN101773278A
CN101773278A CN201010127725A CN201010127725A CN101773278A CN 101773278 A CN101773278 A CN 101773278A CN 201010127725 A CN201010127725 A CN 201010127725A CN 201010127725 A CN201010127725 A CN 201010127725A CN 101773278 A CN101773278 A CN 101773278A
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screw rod
screw
extrusion die
low
flaps
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CN201010127725A
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CN101773278B (en
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武勇
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Changzhou Honghuan Machinery Co ltd
Wu Yong
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Individual
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Abstract

The invention relates to a novel single-screw low-temperature wet-process puffing machine belonging to the field of puffing devices. The novel single-screw low-temperature wet-process puffing machine comprises a rack body and a motor, wherein the top of the rack body is provided with a double-screw feeder; the upper middle part of the rack body is provided with a conditioner connected with the double-screw feeder; the middle of the rack body is provided with a secondary feeder connected with the conditioner through a conditioner outlet tee joint; a low-temperature extrusion puffing device driven by the motor is connected with the secondary feeder; the tail end of the low-temperature extrusion puffing device is connected with an extrusion die device; and the outer side of the extrusion die device is also provided with a gap self-regulating cutter device connected with the rack body and an electrical control system. The invention is automatically controlled by a programmable logic controller (PLC) and realizes the production of puffed products, i.e. puffed foods, puffed pet foods, puffed aquatic feeds, puffed livestock and poultry feeds, puffed urea, and the like, under a low-temperature condition.

Description

Single-screw low-temperature wet-process puffing machine
Technical field
The present invention relates to the expanding apparatus field, particularly control automatically, realize cryogenic conditions a kind of new type single screw low-temperature wet-process puffing machine of dilated products such as production dilated food, puffed pet food, puffing aquatic product feed, expanded animal and fowl fodder and expanded urea down by PLC.
Background technology
At present, in dilated food, puffed pet food, puffing aquatic product and other production of fodder fields, extensively utilization is with the theoretical designed wet-process puffing machine of high temperature puffing.This expanded system will feed the steam of certain pressure or normal-temperature water and material is heated up or cool off in expanded extrusion process between the interlayer of swivel nut, prevent that too low expanded requirement or the temperature of not reaching of temperature is too high and the phenomenon that material burns occurs.In general, the temperature of expanded material before depanning is generally about 130-160 ℃.Because material passes through extruding, kneading and the shearing of screw rod, swivel nut under the effect of high temperature, high pressure, adding swivel nut heats up by high steam, be easy to cause material coking variable color, and make enzyme preparation, microorganism formulation, protein, amino acid and vitamin a large amount of destroyed and loss or variations.Traditional bulking machine structure usually by single screw feeder, twin shaft differential quality-adjusting device, extruding screw, resistance ring (vent plug), rub stripping and slicing, swivel nut, Builking cavity, discharging mechanism and location cutter mechanism and form.Be easy to generate the feed pulsation, and the quality-adjusting device volume is big, the modified time is long, and power consumption is high, the powder poor permeability.Because resistance ring (vent plug) and rub the effect of stripping and slicing, material is sheared repeatedly with reverse in extrusion process to be rubbed, cause the gluten network entanglement of starch materials, thereby the extensibility and the plasticity of starch gluten have been influenced, and the location cutter mechanism needs carry out a real-time adjusting to cutting knife under the situation that wearing and tearing all appears in cutting knife and mould, otherwise can cause particle to can't cut, trail and production problem such as distortion.
Summary of the invention
The object of the present invention is to provide a kind of single-screw low-temperature wet-process puffing machine that can under 40~80 ℃ temperature, produce dilated food, puffed pet food, puffing aquatic product and other feeds, the present invention is by the improvement to quality-adjusting device, extruding screw and extruded segment swivel nut, realized under the environment of low temperature, producing dilated food, solved high temperature puffing the damnous problem of the nutrient in the product.
The present invention is achieved through the following technical solutions:
Single-screw low-temperature wet-process puffing machine, it comprises Rack Body, motor, described motor is connected in the bottom of Rack Body, the top of Rack Body is provided with the twin-screw feeder, the middle and upper part of Rack Body is provided with the quality-adjusting device that is connected with the twin-screw feeder, the middle part of Rack Body is provided with the secondary feed appliance that is connected with quality-adjusting device by quality-adjusting device outlet threeway, be connected with the secondary feed appliance by motor-driven low temperature extrusion pressing puffing apparatus, end at the low temperature extrusion pressing puffing apparatus is connected with extrusion die, also be provided with the self-gap-regulating cutter that is connected on the Rack Body in the outside of extrusion die, and electric control system, described electric control system comprises the moisture content checkout gear on twin-screw feeder and the quality-adjusting device of being positioned at that is connected with PLC.
Described twin-screw feeder comprises the housing with two cavitys, the sidewall of housing also is provided with a feeding motor, described first screw rod and second screw rod are provided with the continuous spiral pusher plate of displacement, and the rotation direction of the spiral pusher plate on described first screw rod and second screw rod is opposite, described spiral pusher plate is divided into first section spiral pusher plate and second section spiral pusher plate, and the pitch of first section spiral pusher plate is greater than the pitch of second section spiral pusher plate, first screw rod and second screw rod are arranged in the cavity of housing, feeding motor is connected with first screw rod, and first screw rod is connected with second screw rod.
Described quality-adjusting device comprises modified cylindrical shell and the modified motor that is provided with two inspection doors, in modified cylindrical shell, be provided with a conditioning shaft, described conditioning shaft is the axle of an inner hollow, the axle body of one end of conditioning shaft is provided with one section helical blade, be provided with the blade of several inclinations at the axle body upper edge of centre zigzag shape, the other end of conditioning shaft be provided with blade parallel with modified axle body the material toggling blade, on the axle body between the adjacent blades, also be provided with some steam holes, one end of conditioning shaft is connected with modified motor, and the other end is connected with swivel joint.
Described secondary feed appliance comprises first gripper shoe and second gripper shoe that connects by sliding support, between two gripper shoes, be provided with the lifting cylinder, promote cylinder fixedly connected with first gripper shoe on, the push rod that promotes cylinder is connected on second gripper shoe, on described second gripper shoe, be provided with the feeding sleeve, the feeding sleeve is provided with and quality-adjusting device outlet threeway feeding charging aperture that is connected and the feeding discharging opening that is connected with extrusion pressing puffing apparatus, feeding spiro rod is arranged in the feeding sleeve, one end of feeding spiro rod is connected with deceleration device, and deceleration device connects and is connected with drive motors.
Described low temperature extrusion pressing puffing apparatus comprises screw rod, swivel nut, described swivel nut comprises an integral type swivel nut and a plurality of radially removable swivel nut, screw rod is divided into the feed zone screw rod, defeated material section screw rod and discharging section screw rod, the feed zone screw rod is located at the material charging aperture, also comprise the cooling jacket that is arranged at radially removable swivel nut outside, cooling jacket and swivel nut are formed Builking cavity, screw rod is located in the Builking cavity, the feed zone screw rod is a diameter progressive screw, the discharging section screw rod is a Variable pitch screw with defeated material section screw rod, the end of inherent defeated material section screw rod of swivel nut and discharging section screw rod is provided with the itemize flaps, and the itemize flaps is provided with some through holes.
The itemize flaps that described itemize flaps is a ring-type, the itemize flaps is divided into radially removable itemize flaps and integral type itemize flaps, described radially removable itemize flaps is arranged at the end of defeated material section screw rod, integral type itemize flaps is arranged at the end of discharging section screw rod, described itemize flaps is provided with at least one ring through hole, and this through hole is the through hole of cylindrical or taper type.
Described extrusion die device comprises extrusion die seat ring, extrusion die tight fixed ring and extrusion die, the extrusion die seat ring fixedly connected with swivel nut on, has nib on the extrusion die, this extrusion die center is provided with part flow arrangement, this part flow arrangement is Internal Spherical Surface or cone face, one itemize flaps and extrusion die are located in the extrusion die seat ring and fix by the extrusion die tight fixed ring, and the extrusion die seat ring is fixed on the swivel nut end face.
When described part flow arrangement was Internal Spherical Surface, the height A of this Internal Spherical Surface was smaller or equal to 2/3rds of extrusion die internal diameter height H.When described part flow arrangement was the cone face, the height h of this cone face was more than or equal to 3/4ths of extrusion die internal diameter height H.
Described self-gap-regulating cutter comprises mainframe, secondary frame, mainframe is connected on the Rack Body, one end of secondary frame and mainframe is connected by pivot pin, the other end is provided with retaining mechanism, and movable base plate is connected on the secondary frame, and work drive motor is connected on the movable base plate, cutting knife is connected with work drive motor by the micro-adjusting mechanism with universal adjustment function, be provided with the feeding motor at assistant support, the feeding motor is connected with feed screw, and feed screw is connected with movable base plate.
Described electrical control comprises the moisture content checkout gear on twin-screw feeder and the quality-adjusting device of being positioned at that is connected with PLC, and interactively display unit is connected with PLC.The moisture content checkout gear that is provided with detects the water content of material before the feeding respectively and the moisture content of the material after quality-adjusting device is modified.
The present invention has effectively solved the problem of the feeding fluctuation of traditional feeder by above technical scheme, realized that feeding is uniform and stable and solved the problem that the material knot encircles, also dwindled the volume of quality-adjusting device, thereby dwindled the volume of entire machine, also reduced simultaneously the manufacturing cost of this machine, quality-adjusting device can make powder obtain sufficient slaking and the infiltration that stirs in the shortest time, the secondary feed appliance adopts an equidistant screw rod to carry out feeding, make the material after modified can enter the low temperature extrusion pressing puffing apparatus uniformly, and the lifting cylinder of its setting can make the secondary feed appliance separate with the low temperature extrusion pressing puffing apparatus, be convenient to the cleaning and the maintenance of low temperature extrusion pressing puffing apparatus, the feed zone screw rod is a diameter progressive screw, realized material is carried out a precompressed, the itemize formula flaps that is provided with makes material rub along a direction extruding to stretch, guaranteed the uniformity of gluten network molecular structure, the water absorbing capacity and the extensibility of material particulate have been improved, the cooling jacket that on swivel nut, is provided with, guaranteed that temperature in the swivel nut is controlled in the temperature of effective slaking of material and gelatinization, avoided the coking of the excessive and material that causes of traditional bulking process Yin Gaowen moisture content flash distillation or low-temperature material to stir moisture content and failed fully infiltration.The self-gap-regulating cutter that is provided with, the flexibility that can guarantee cutting knife and extrusion die is constantly fitted, improved the service life of cutting knife and extrusion die, the shape and the quality of product have also been guaranteed simultaneously, the present invention adopts PLC that each parameter in the production process is carried out real-time detection and control, can reflect the dynamic variation in the device fabrication rapidly accurately, the staff can adjust the parameter of bulking machine according to the quality of real-time product, to realize the stable and optimization of product quality.
Description of drawings
Fig. 1 is the single-screw low-temperature wet-process puffing machine schematic diagram,
Fig. 2 is a twin-screw feeder structural representation,
Fig. 3 is the schematic diagram of the screw rod of twin-screw feeder,
Fig. 4 is the quality-adjusting device structural representation,
Fig. 5 is the conditioning shaft structural representation,
Fig. 6 is a secondary feed appliance structural representation,
Fig. 7 is a low temperature expanding apparatus structure schematic diagram,
Fig. 8 is an extrusion die apparatus structure schematic diagram,
Fig. 9 is a self-gap-regulating cutter structural representation,
Figure 10 is the micro-adjusting mechanism structural representation,
Figure 11 is an Internal Spherical Surface extrusion die cutaway view,
Figure 12 is a cone face extrusion die cutaway view,
1 is the twin-screw feeder among the figure, 2 is quality-adjusting device, 3 are quality-adjusting device outlet threeway, 4 is the secondary feed appliance, 5 is the low temperature extrusion pressing puffing apparatus, 6 is the extrusion die device, 7 is the self-gap-regulating cutter, 11 is housing, 12 is spout, 13 is feeding motor, 14 is first screw rod, and 15 is first cavity, and 16 is second screw rod, 17 is second cavity, 18 is the feeding discharging opening, and 19 is the spiral pusher plate, and 191 is first section spiral pusher plate, 192 is second section spiral pusher plate, 21 is modified cylindrical shell, and 22 is inspection door, and 23 is modified charging aperture, 24 is modified discharging opening, 25 is door closure, and 26 is conditioning shaft, and 261 is helical blade, 262 is blade, 263 is steam hole, and 264 is swivel joint, and 265 is the material toggling blade, 27 is motor cabinet, 28 is modified motor, and 41 is first gripper shoe, and 42 is second gripper shoe, 43 for promoting cylinder, 44 are the feeding sleeve, and 441 are the feeding charging aperture, and 442 are the feeding discharging opening, 46 is feeding spiro rod, 47 is deceleration device, and 48 are the feeding motor, and 51 is screw rod, 511 is the feed zone screw rod, 512 are defeated material section screw rod, and 5121 is the first defeated material section screw rod, and 5122 is the second defeated material section screw rod, 5123 is the 3rd defeated material section screw rod, 513 is the discharging section screw rod, and 52 is swivel nut, and 521 is the integral type swivel nut, 522 are radially removable swivel nut, 53 is the material charging aperture, and 54 is cooling jacket, and 55 is the itemize flaps, 551 are radially removable itemize flaps, 552 is integral type itemize flaps, and 61 is the extrusion die seat ring, and 62 is the extrusion die tight fixed ring, 63 is extrusion die, 64 is part flow arrangement, and 71 is mainframe, and 72 is secondary frame, 73 is movable base plate, 74 is work drive motor, and 75 is cutting knife, and 76 is micro-adjusting mechanism, 761 is cutting knife tuning axle, 762 for regulating briquetting, and 763 for regulating axle sleeve, and 764 are regulating shaft cover locknut, 765 for transferring the crack spring, 766 is the motor connecting rod, and 767 regulate pivot pin, and 77 are the feeding motor, 78 is feed screw, 79 is retaining mechanism, and 8 is Rack Body, and 9 is interactive display unit.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further specified,
Single-screw low-temperature wet-process puffing machine shown in Fig. 1 to 11, it comprises Rack Body 8, motor, described motor is connected in the bottom of Rack Body 8, the top of Rack Body 8 is provided with twin-screw feeder 1, the middle and upper part of Rack Body 8 is provided with the quality-adjusting device 2 that is connected with twin-screw feeder 1, the middle part of Rack Body 8 is provided with the secondary feed appliance 4 that is connected with quality-adjusting device 2 by quality-adjusting device outlet threeway 3, be connected with secondary feed appliance 4 by motor-driven low temperature extrusion pressing puffing apparatus 5, end at low temperature extrusion pressing puffing apparatus 5 is connected with extrusion die 6, also is provided with the self-gap-regulating cutter 7 that is connected on the Rack Body in the outside of extrusion die 6.
Described twin-screw feeder 1 comprises the housing 11 of two cavitys, the top of housing 11 is provided with spout 12, the sidewall of housing 11 also is provided with a feeding motor 13, first screw rod 14 is arranged at first chamber, 15 bodies of housing 11, second screw rod 16 is arranged in second cavity 17 of housing 11, feeding motor 13 is connected with first screw rod 14 by the chain transmission, first screw rod 14 and second screw rod 15 pass through meshed transmission gear, described first screw rod 14 and second screw rod 16 are provided with the continuous spiral pusher plate 19 of displacement, the rotation direction of the spiral pusher plate 19 on described first screw rod 14 and second screw rod 16 is opposite, described spiral pusher plate is divided into first section spiral pusher plate and second section spiral pusher plate, and the pitch of first section spiral pusher plate is greater than the pitch of second section spiral pusher plate, and an end of housing 11 also is provided with the feeding discharging opening 18 that is connected with quality-adjusting device 2.In process of production, the screw rod by the displacement that is provided with and the pitch of first section spiral pusher plate are greater than the pitch of second section spiral pusher plate, reached the feeding amount of the feeding amount of first section spiral pusher plate greater than second section spiral pusher plate, first section spiral pusher plate thrust little, the pressure of second section spiral pusher plate is big, and material is caved in forward, has reduced powder and tie the probability that encircles in housing, adopt twin-screw simultaneously, also increased the speed of feeding.
Described quality-adjusting device 2 comprises the modified cylindrical shell 21 that is provided with two inspection doors 25, on modified cylindrical shell 21, also be provided with into water connecting hole, oil-feed connecting hole and advance the steam connecting hole, more than three connecting holes be used for adding water to material, oil and steam, reached the water of stipulating in the material formula, the percentage of oil, steam is boiled in a covered pot over a slow fire to steam to material on the one hand and is made the material slaking, on the other hand also in material the content of moisture content finely tune, one end of modified cylindrical shell 21 is provided with the modified charging aperture 23 that is connected with the feeding discharging opening, the other end is provided with the modified discharging opening 24 that is connected with quality-adjusting device outlet threeway 3, also be provided with two door closures 25 on the modified cylindrical shell 21, in modified cylindrical shell 21, be provided with conditioning shaft 26, modified cylindrical shell 21 tops also are provided with motor cabinet 27, modified motor 28 is fixed on the motor cabinet 27, and modified motor 28 is connected with an end of conditioning shaft 26.Described conditioning shaft 26 is the axle of an inner hollow, the axle body of one end of conditioning shaft 26 is provided with one section helical blade 261, this helical blade 261 is given extruding force of advancing of material, mainly realized impetus to material, on the axle body of centre, be provided with the blade 262 of several inclinations by zigzag shape, the other end of conditioning shaft 26 be provided with blade parallel with modified axle body material toggling blade 265, also be provided with some steam holes 263 on the axle body between the adjacent blades 262, conditioning shaft 26 other ends are connected with swivel joint 264.Steam enters the axle center of conditioning shaft 26 through swivel joint 264, spray out by the steam hole 263 that is arranged on the axle body, form a spiral vapor stream, cooperate steam, water and the oil that adds again, add the stirring of blade, material is stirred rapidly, improved water and the infiltration of oil in material, make the starch in the material can obtain sufficient gelatinization at short notice, fully enter the secondary feed appliance by 265 dial-outs of material toggling blade after the gelatinization.
Described secondary feed appliance 4 comprises first gripper shoe 41 and second gripper shoe 42 that connects by sliding support, between two gripper shoes, be provided with and promote cylinder 43, promote cylinder 43 fixedly connected with first gripper shoe 41 on, the push rod that promotes cylinder 43 is connected on second gripper shoe 42, on described second gripper shoe, be provided with feeding sleeve 44, feeding sleeve 44 is provided with and quality-adjusting device outlet threeway 3 feeding charging aperture that is connected and the feeding discharging opening that is connected with low temperature extrusion pressing puffing apparatus 5, feeding spiro rod 46 is arranged in the feeding sleeve 44, one end of feeding spiro rod 46 is connected with deceleration device 47, and deceleration device 47 connects and is connected with drive motors 48.Behind material process quality-adjusting device, because the effect of blade in the quality-adjusting device, material can produce certain fluctuation, if material directly passes in and out the low temperature extrusion pressing puffing apparatus, there is the problem of the puffed degree and the big or small uniformity in the expanded product that comes out, so eliminate the fluctuation of the material that quality-adjusting device comes out at this secondary feed appliance that single screw rod is set, guaranteed that material can enter the low temperature extrusion pressing puffing apparatus uniformly.Promoting cylinder in addition can be that second gripper shoe 42 produces a displacement, even the feeding discharging opening of secondary feed appliance separates with the low temperature extrusion pressing puffing apparatus, be convenient to maintenance and maintenance to the low temperature extrusion pressing puffing apparatus, the decelerator of She Zhiing is convenient to we regulate the secondary feed appliance according to the needs of actual production capacity feeding speed herein.
Described low temperature extrusion pressing puffing apparatus 5 comprises screw rod 51, swivel nut 52, described swivel nut 52 comprises an integral type swivel nut 521 and three radially removable swivel nuts 522, screw rod 51 is divided into feed zone screw rod 511, defeated material section screw rod 512 and discharging section screw rod 513, and defeated material section screw rod 512 comprises the first defeated material section screw rod 5121, the second defeated material section screw rod 5122 and the 3rd defeated material section screw rod 5123, material charging aperture 53 is arranged on the integral type swivel nut 521, feed zone screw rod 511 is located at material charging aperture 53, also comprise the cooling jacket 54 that is arranged at radially removable swivel nut 522 outsides, cooling jacket 54 is formed Builking cavity with swivel nut 52, cooling jacket 54 connects with circulation waterway, stable with the temperature that guarantees whole Builking cavity, screw rod 51 is located in the Builking cavity, feed zone screw rod 511 is a diameter progressive screw, discharging section screw rod 513 is a Variable pitch screw with defeated material section screw rod 512, and the pitch of each defeated material section screw rod has nothing in common with each other, and discharging section screw rod 513 is the two-wire screw rod, the two-wire screw rod has increased the power of extruding, a good puffed degree after being extruded, product can be arranged, the inherent defeated material section screw rod 512 of swivel nut comprises the first defeated material section screw rod 5121, the end of the second defeated material section screw rod 5122 and the 3rd defeated material section screw rod 5123 and discharging section screw rod 513 is equipped with itemize flaps 55, described itemize flaps 55 is the itemize flaps of ring-type, itemize flaps 55 comprises radially removable itemize flaps (551) and integral type itemize flaps 552, described radially removable itemize flaps is arranged at the end of defeated material section screw rod, integral type itemize flaps is arranged at the end of discharging section screw rod 513, described itemize flaps 55 is provided with at least one ring through hole, this through hole is the through hole of cylindrical or taper type, feed zone screw rod 511 is the screw rod of a reducing, the identical external diameter with defeated material section screw rod 512 and discharging section screw rod 513 is excessively arrived in the taper from large to small of the external diameter of screw rod, increase the extruding density of material by the variation of external diameter, effectively raise the compression of volume of material, 4 itemize flaps that are provided with divide four itemizes to rub to stretch, having prevented to rub in the prior art stripping and slicing shears and reverse rubbing in extrusion process repeatedly to material, cause the gluten network entanglement of starch materials, make the material of slaking become high density group material by the direction of unanimity constantly extruding stretch and rub, guaranteed the uniformity of material gluten network molecular structure, improve and saved the suction of powder particulate and the extensibility and the plasticity of material gluten from damage, the water-soluble time and the elasticity of swelling granule material have been strengthened greatly, this process is the stewing steaming of adopting material, extruding is stretched to rub and is made material fully infiltration slaking and bonding under best saturation state, cooling jacket and external pipeline are connected to form the water circulation, water circulation cooling in the cooling jacket has guaranteed that the temperature of whole Builking cavity is in 40~80 ℃ scope, guarantee that expanded cavity temperature is controlled in the effective slaking and gelatinization point of material, avoided the flash distillation of traditional bulking process Yin Gaowen moisture content excessive and the coking that causes or low temperature powder particulate moisture content to fail fully half-matureization of infiltration, significantly reduce Yin Gaowen simultaneously and caused enzyme preparation in the prescription, microorganism formulation, protein, the loss of element such as amino acid and vitamin and destruction, and radially removable swivel nut is convenient in machine maintenance and maintenance to machine when breaking down, simultaneously also reduce the manufacture difficulty of producing this machine, saved manufacturing cost.
Described extrusion die device comprises extrusion die seat ring 61, extrusion die tight fixed ring 62 and extrusion die 63, the extrusion die seat ring fixedly connected with swivel nut on, has nib on the extrusion die 63, the nib ring-type is arranged on the extrusion die 63, described nib is to be provided with to prolong the different diameter hole of pressing section, prolong and press section that the raw material by the itemize flaps is carried out once more the extruding of density degree, the interior pressure of extruded stock particle and temperature are far above room temperature and atmospheric pressure, unexpected release causes particle to expand, thereby realized that particle is expanded, expanded more abundant better effects if, these extrusion die 63 centers are provided with part flow arrangement 64, this part flow arrangement 64 is Internal Spherical Surface or cone face, integral type bar flaps 552 is located in the extrusion die seat ring 61 fixing by extrusion die tight fixed ring 62 with extrusion die 63, extrusion die seat ring 61 is fixed on swivel nut 52 end faces, the material diversion that the part flow arrangement 64 that is provided with is extruded low temperature extrusion pressing puffing apparatus 5 arrives the nib place that ring-type is provided with, avoided the accumulation of material middle part, by the extrusion die tight fixed ring extrusion die is fixedly clamped, be convenient to the replacing of mould, saved the lead-time.When described part flow arrangement was Internal Spherical Surface, the height A of this Internal Spherical Surface can better be shunted like this smaller or equal to 2/3rds of extrusion die internal diameter height H; Part flow arrangement also can be cone face or other body face that helps making the raw material shunting or prevent the raw material buildup, and when described part flow arrangement was the cone face, the height h of this cone face was more than or equal to 3/4ths of extrusion die internal diameter height H.
Described self-gap-regulating cutter comprises mainframe 71, secondary frame 72, mainframe 71 is connected on the Rack Body 8, one end of secondary frame 72 and mainframe 71 is connected by pivot pin, the other end is provided with retaining mechanism 79, movable base plate 73 is connected on the secondary frame 72, work drive motor 74 is connected on the movable base plate 73, cutting knife 75 is connected with work drive motor 74 by the micro-adjusting mechanism 76 with universal adjustment function, be provided with feeding motor 77 at assistant support 72, feeding motor 77 is connected with feed screw 78, and feed screw 78 is connected with movable base plate 73.Described micro-adjusting mechanism 76 comprises cutting knife tuning axle 761, regulate briquetting 762, regulate axle sleeve 763, regulating shaft cover locknut 764, transfer crack spring 765 and motor connecting rod 766, one end of cutting knife tuning axle 761 is threaded with cutting knife 75, the other end is a hemisphere face, an end of regulating axle sleeve 763 is connected with cutting knife tuning axle 761 by regulating pivot pin 767, the other end is connected with motor connecting rod screw thread 766, also be provided with the adjusting briquetting 762 that cooperates with cutting knife tuning axle 761 other ends in the inside of regulating axle sleeve 763, and to regulating the accent crack spring 765 that briquetting 762 improves pressure.Realized the fast feed of cutting knife, shortened the time that artificial tool setting is regulated before the start, the precision and the speed of regulating have been improved, saved production man-hour, improved production efficiency, also realized fine setting in addition to cutting knife, cutting knife is fitted with the die face of extrusion die mould is flexible constantly, both guaranteed the quality of product, improved the service life of cutting knife and mould again, also reduced simultaneously because the adjusting number of times to cutting knife that die wear causes has promptly produced the successional influence to producing, guaranteed the production capacity of product.
Described electric control system comprises the moisture content checkout gear on twin-screw feeder and the quality-adjusting device of being positioned at that is connected with PLC, the moisture content checkout gear specifically is arranged on the spout of twin-screw feeder and the modified discharging opening of quality-adjusting device, respectively to the water content in the material before the feeding and after quality-adjusting device is modified water content in the material detect, interactively display unit is connected with PLC, comprise in addition feeding capacity, oil, steam, temperature, the checkout gear of the speed of mainshaft and electric current, and with detected value by real-time being reflected on the interactively display unit of PLC, the operator can control the actual value of the parameters of bulking machine accurately, and can be according to the requirement of actual product, each parameter is set, can significantly reduce tradition and test the waste that causes raw material with operating experience and sense organ, reduced production cost, improved production efficiency, this electric control system can also be carried out real-time record to above each parameter in addition, and can be input in the computer by output device, make things convenient for analytic product problem in process of production.
Above technical scheme has realized a kind ofly by PLC each parameter in the production process being detected in real time and controlling, and can produce the single-screw low-temperature wet-process puffing machine of dilated food, puffed pet food, puffing aquatic product and other feeds under 40 ℃~80 ℃ temperature.

Claims (10)

1. single-screw low-temperature wet-process puffing machine, it comprises Rack Body (8), motor, described motor is connected in the bottom of Rack Body (8), it is characterized in that: the top of Rack Body (8) is provided with twin-screw feeder (1), the middle and upper part of Rack Body (8) is provided with the quality-adjusting device (2) that is connected with twin-screw feeder (1), the middle part of Rack Body (8) is provided with the secondary feed appliance (4) that is connected with quality-adjusting device (2) by quality-adjusting device outlet threeway (3), be connected with secondary feed appliance (4) by motor-driven low temperature extrusion pressing puffing apparatus (5), end at low temperature extrusion pressing puffing apparatus (5) is connected with extrusion die device (6), also be provided with the self-gap-regulating cutter (7) that is connected on the Rack Body (8) in the outside of extrusion die device (6), and electric control system, described electric control system comprises the moisture content checkout gear on twin-screw feeder and the quality-adjusting device of being positioned at that is connected with PLC.
2. single-screw low-temperature wet-process puffing machine according to claim 1, it is characterized in that: described twin-screw feeder (1) comprises the housing (11) with two cavitys, the sidewall of housing (11) also is provided with a feeding motor (13), described first screw rod (14) and second screw rod (16) are provided with the continuous spiral pusher plate (19) of displacement, and the rotation direction of the spiral pusher plate (19) on described first screw rod (14) and second screw rod (16) is opposite, described spiral pusher plate is divided into first section spiral pusher plate (191) and second section spiral pusher plate (192), and the pitch of first section spiral pusher plate is greater than the pitch of second section spiral pusher plate, first screw rod (14) and second screw rod (16) are arranged in the cavity of housing (11), feeding motor (13) is connected with first screw rod (14), and first screw rod (14) is connected with second screw rod (16).
3. single-screw low-temperature wet-process puffing machine according to claim 1, it is characterized in that: described quality-adjusting device (2) comprises modified cylindrical shell (21) and the modified motor (28) that is provided with two inspection doors (22), in modified cylindrical shell (21), be provided with a conditioning shaft (26), described conditioning shaft (26) is the axle of an inner hollow, the axle body of one end of conditioning shaft (26) is provided with one section helical blade (261), be provided with the blade (262) of several inclinations at the axle body upper edge of centre zigzag shape, the other end of conditioning shaft (26) be provided with blade parallel with modified axle body material toggling blade (265), on the axle body between the adjacent blades, also be provided with some steam holes (263), one end of conditioning shaft (26) is connected with modified motor (28), and the other end is connected with swivel joint (264).
4. single-screw low-temperature wet-process puffing machine according to claim 1, it is characterized in that: described secondary feed appliance comprises first gripper shoe (41) and second gripper shoe (42) that connects by sliding support, between two gripper shoes, be provided with and promote cylinder (43), promoting cylinder (43) is fixedly connected on first gripper shoe (41), the push rod that promotes cylinder (43) is connected on second gripper shoe (42), on described second gripper shoe (42), be provided with feeding sleeve (44), feeding spiro rod (46) is arranged in the feeding sleeve (44), one end of feeding spiro rod (46) is connected with deceleration device (47), and deceleration device (47) is connected with drive motors (48).
5. single-screw low-temperature wet-process puffing machine according to claim 1, it is characterized in that: described low temperature extrusion pressing puffing apparatus comprises screw rod (51), swivel nut (52), screw rod (51) is divided into feed zone screw rod (511), defeated material section screw rod (513) and discharging section screw rod (512), also comprise the cooling jacket (54) that is arranged at the swivel nut outside, cooling jacket (54) is formed Builking cavity with swivel nut (52), screw rod (51) is located in the Builking cavity, feed zone screw rod (511) is a diameter progressive screw, discharging section screw rod (512) is a Variable pitch screw with defeated material section screw rod (513), also be provided with itemize flaps (55) in the swivel nut (52), itemize flaps (55) is provided with some through holes.
6. single-screw low-temperature wet-process puffing machine according to claim 5, it is characterized in that: described itemize flaps (55) is the itemize flaps of ring-type, itemize flaps (55) is divided into radially removable itemize flaps (551) and integral type itemize flaps (552), described itemize flaps (55) is provided with at least one ring through hole, and this through hole is the through hole of cylindrical or taper type.
7. single-screw low-temperature wet-process puffing machine according to claim 5 is characterized in that: described swivel nut comprises an integral type swivel nut (521) and a plurality of radially removable swivel nuts (522).
8. single-screw low-temperature wet-process puffing machine according to claim 1, it is characterized in that: described extrusion die device comprises extrusion die seat ring (61), extrusion die tight fixed ring (62) and extrusion die (63), extrusion die has nib on (63), this extrusion die (63) center is provided with part flow arrangement (64), this part flow arrangement is Internal Spherical Surface or cone face, integral type itemize flaps (552) is located in the extrusion die seat ring (61) with extrusion die (63) and fixes by extrusion die tight fixed ring (62), and extrusion die seat ring (61) is fixed on swivel nut (52) end face.
9. single-screw low-temperature wet-process puffing machine according to claim 8, it is characterized in that: when described part flow arrangement is Internal Spherical Surface, the height A of this Internal Spherical Surface is smaller or equal to 2/3rds of extrusion die internal diameter height H, when described part flow arrangement was the cone face, the height h of this cone face was more than or equal to 3/4ths of extrusion die internal diameter height H.
10. single-screw low-temperature wet-process puffing machine according to claim 1, it is characterized in that: described self-gap-regulating cutter comprises mainframe (71), secondary frame (72), mainframe (71) is connected on the Rack Body, one end of secondary frame (72) and mainframe (71) is connected by pivot pin, the other end is provided with retaining mechanism (79), movable base plate (73) is connected on the secondary frame (72), work drive motor (74) is connected on the movable base plate (73), cutting knife (75) is connected with work drive motor (74) by the micro-adjusting mechanism (76) with universal adjustment function, be provided with feeding motor (77) at assistant support (72), feeding motor (77) is connected with feed screw (78), and feed screw (78) is connected with movable base plate (73).
CN2010101277259A 2010-03-15 2010-03-15 Single-screw low-temperature wet-process puffing machine Expired - Fee Related CN101773278B (en)

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Cited By (9)

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Publication number Priority date Publication date Assignee Title
CN102038280A (en) * 2011-02-11 2011-05-04 山东省农业科学院农产品研究所 Low temperature food bulking machine
CN107259616A (en) * 2017-06-30 2017-10-20 浙江省德清县鸿利饲料有限公司 A kind of feed single lead screw ex truding briquetting machine
CN108477652A (en) * 2018-06-06 2018-09-04 辽宁工程技术大学 A kind of digitlization Stem Squeezing Expansion Machine and its application method
CN109007932A (en) * 2018-09-12 2018-12-18 江苏正昌粮机股份有限公司 A kind of preprocessing system and process of raw material granulation
CN109531652A (en) * 2019-01-15 2019-03-29 安德里茨(中国)有限公司 Puffing machine cutting knife and puffing machine cutting knife automatic control system
CN112369526A (en) * 2020-11-11 2021-02-19 安徽理工大学 Cat food capable of improving immunity of cats and production device thereof
CN113519875A (en) * 2021-07-12 2021-10-22 南京可莱威生物科技有限公司 Screening formula pig feed processing is with single twin-screw integral type bulking machine
CN113679069A (en) * 2021-09-01 2021-11-23 安徽澳贝诗生物科技有限公司 Processing equipment for suckling pig feed
CN115715565A (en) * 2022-11-23 2023-02-28 中国农业科学院饲料研究所 Microalgae functional nutrition enhancer for fish, preparation method and application thereof

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CN1387405A (en) * 1999-11-05 2002-12-25 雷科特公司 Process for expanded pellet production
CN2437152Y (en) * 2000-08-09 2001-07-04 中国农业机械化科学研究院 Puffing granulator
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102038280A (en) * 2011-02-11 2011-05-04 山东省农业科学院农产品研究所 Low temperature food bulking machine
CN107259616A (en) * 2017-06-30 2017-10-20 浙江省德清县鸿利饲料有限公司 A kind of feed single lead screw ex truding briquetting machine
CN108477652A (en) * 2018-06-06 2018-09-04 辽宁工程技术大学 A kind of digitlization Stem Squeezing Expansion Machine and its application method
CN109007932A (en) * 2018-09-12 2018-12-18 江苏正昌粮机股份有限公司 A kind of preprocessing system and process of raw material granulation
CN109531652A (en) * 2019-01-15 2019-03-29 安德里茨(中国)有限公司 Puffing machine cutting knife and puffing machine cutting knife automatic control system
CN112369526A (en) * 2020-11-11 2021-02-19 安徽理工大学 Cat food capable of improving immunity of cats and production device thereof
CN113519875A (en) * 2021-07-12 2021-10-22 南京可莱威生物科技有限公司 Screening formula pig feed processing is with single twin-screw integral type bulking machine
CN113679069A (en) * 2021-09-01 2021-11-23 安徽澳贝诗生物科技有限公司 Processing equipment for suckling pig feed
CN115715565A (en) * 2022-11-23 2023-02-28 中国农业科学院饲料研究所 Microalgae functional nutrition enhancer for fish, preparation method and application thereof

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