CN110893327A - Automatic change vacuum spraying system - Google Patents
Automatic change vacuum spraying system Download PDFInfo
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- CN110893327A CN110893327A CN201911189184.XA CN201911189184A CN110893327A CN 110893327 A CN110893327 A CN 110893327A CN 201911189184 A CN201911189184 A CN 201911189184A CN 110893327 A CN110893327 A CN 110893327A
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- spraying
- pipeline
- branch pipe
- bin
- mixing cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
- B01F33/811—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles in two or more consecutive, i.e. successive, mixing receptacles or being consecutively arranged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7179—Feed mechanisms characterised by the means for feeding the components to the mixer using sprayers, nozzles or jets
Abstract
The invention discloses an automatic vacuum spraying system in the field of food, pet food and aquatic feed processing, which comprises a spraying host machine, wherein a feed inlet is formed in the top of the spraying host machine, a mixing cavity is formed in the spraying host machine, a discharge outlet is formed in the bottom of the spraying host machine, the mixing cavity comprises two bilaterally symmetrical sub-cavities, stirring shafts are respectively arranged in the two sub-cavities, a plurality of blades are arranged on the stirring shafts in a staggered manner, the stirring shafts are in transmission connection with a rotary driving mechanism, discharge outlets are formed in the bottoms of the sub-cavities, discharge doors are correspondingly arranged at the discharge outlets, a vacuumizing pipe and a hot air drying pipe are arranged on the upper side of the spraying host machine, a nozzle assembly is arranged at the top of the; and material adding equipment is correspondingly arranged above the feeding hole. The mixing cavity of the spraying main machine is convenient to clean, the requirement of food sanitation can be met, and the spraying efficiency is higher.
Description
Technical Field
The invention belongs to the field of food, pet food and aquatic feed processing, and particularly relates to a vacuum spraying system.
Background
Among the prior art, there is a vacuum coating machine, its patent application number: 201410516694.4, respectively; application date: 2014-09-30; its structure includes jar body and sets up at jar internal portion's auger, and the auger is provided with circular discharge gate with jar top coupling in jar bottom of body, installs the valve in discharge gate department, the top of valve be the conical surface body, the directional auger of awl point, the conical surface body is coaxial with the auger, the conical surface of the conical surface body is sealed with the cooperation of circular discharge gate, the helical blade of auger extends to jar body bottom along the conical surface spiral, is provided with the telescoping device of drive discharge valve up-and-down motion in the bottom of valve. The helical blade of the auger of the device extends to the bottom of the tank body along the conical surface of the conical surface body in a helical manner, and can scrape and convey the granular materials at the bottom of the tank body to the upper side of the tank body to be contacted with atomized liquid drops. But has the disadvantages that: the inner wall of the spiral protective cylinder and the inner spiral blades form cleaning dead corners, compressed air and manpower cannot clean the dead corners, grease is added and sprayed in an atomized manner, and the grease can be bonded on the spiral along with powder in the material; after the materials are sprayed for many times, the interior of the tank body is not cleaned completely, bacteria are easy to breed, and the requirement of food sanitation level cannot be met; the conical discharge door is easy to be stuck to cause untight closing, so that the risk of air leakage exists; the unable intensive mixing material of single hank dragon, the spraying is even inadequately, and jar internal volume is big inadequately, and the efficiency of material is handled in the spraying is lower.
Disclosure of Invention
The invention aims to provide an automatic vacuum spraying system, which adopts a horizontal double-shaft paddle type mixing mechanism to avoid material sticking, has smooth inner wall of a mixing cavity without a sanitary blind area, is convenient to clean, can meet the food sanitation requirement, improves the discharging efficiency of double discharging doors, avoids material sticking, and has larger bin capacity of the mixing cavity and higher spraying efficiency.
The purpose of the invention is realized as follows: the automatic vacuum spraying system comprises a spraying host, wherein a feed inlet is formed in the top of the spraying host, a mixing cavity is formed in the spraying host, a discharge outlet is formed in the bottom of the spraying host, the mixing cavity comprises two bilaterally symmetrical sub-cavities, a stirring shaft is respectively and rotatably arranged in the two sub-cavities and is parallel to the length direction of the sub-cavities of the spraying host, a plurality of blades are staggered on the stirring shaft, each blade on the two stirring shafts is staggered in the circumferential direction, the two stirring shafts are in transmission connection with a rotary driving mechanism, the two spraying hosts are respectively provided with a discharge outlet at the bottom of the sub-cavities, discharge doors are correspondingly arranged at the discharge outlets and are in transmission connection with an opening and closing driving mechanism, the discharge doors are arc-shaped along the cross sections perpendicular to the stirring shafts, the arc-shaped angle of the discharge, the spraying main machine is characterized in that openable machine body access doors are arranged on the left side and the right side of the spraying main machine, a vacuumizing pipe communicated with the mixing cavity and a hot air drying pipe communicated with the mixing cavity are arranged on the upper side of the spraying main machine, a first nozzle assembly and a second nozzle assembly communicated with the mixing cavity are arranged at the top of the spraying main machine, the first nozzle assembly and the second nozzle assembly are respectively connected with a pumping pipeline, and the head end of the pumping pipeline is connected with liquid adding equipment; and material adding equipment is correspondingly arranged above the feeding hole.
When the device works, materials (pet materials) are added into a mixing cavity through a feeding hole by material adding equipment, after feeding is finished, the feeding hole is closed, the interior of the mixing cavity is vacuumized through a vacuum tube, grease with corresponding weight is prepared in advance by liquid adding equipment according to the weight of the added materials, after vacuumizing is finished, liquid grease is sent into a first nozzle assembly by a pumping pipeline, meanwhile, a stirring shaft rotates to roll and stir the materials through a paddle, the grease is sprayed onto the surfaces of the materials by the nozzle assembly, after spraying is finished, the vacuum is slowly released, and the opening degree of the vacuum tube is controlled through a proportional ball valve, so that the grease is pressed into material particles under atmospheric pressure; then spraying meat pulp on the surfaces of the material particles through another pumping pipeline and a second nozzle assembly, or adding a powdery phagostimulant through a feed inlet; and finally, opening and closing the driving mechanism to open the two discharging doors for discharging.
Compared with the prior art, the invention has the beneficial effects that: the full-length discharge door structure can discharge materials quickly without residue; the sealing performance is good, and the vacuum degree is high; due to the design of the oversized double-body access door, the cleaning is quicker; the vacuumizing system and the hot air drying system are controlled separately and do not influence each other; a horizontal double-shaft paddle type mixing mechanism is adopted, two stirring shafts rotate reversely, and materials are stirred by the rotating paddles and are tumbled and mixed at a high speed in a mixing cavity, so that uniform spraying is ensured; the discharge door is positioned at the bottom of the sub-cavity, so that the discharge is convenient after being opened, and the discharge door is convenient to maintain and easy to clean; the complete machine material is 304 stainless steel of food level, and the mixing chamber inner structure is succinctly mostly the welding piece, is the smooth surface with material contact part, does not have sanitary blind area, convenient clearance.
As a further improvement of the invention, the inner wall of each sub-chamber comprises a top arc section, a middle connecting section and a bottom arc section, the arc angle of the top arc section is an acute angle, the arc angle of the bottom arc section is an obtuse angle, and the bottom arc sections of the two sub-chambers are arranged in an intersecting manner; carrying out thin film vapor phase epitaxy on the bottom wall of the mixing cavity, carrying out thin film vapor phase epitaxy on the bottom wall of the mixing cavity; the arc angle of discharge door is 60, and two door body sides all incline to set up about the discharge door, and two door body sides of discharge door all are line contact with the corresponding inner wall of discharge gate. The inside no dead angle design of equipment, the clearance of being convenient for avoids the material to pile up, and full length discharge door, the angle of opening the door 60, quick blowing, low residue.
As a further improvement of the invention, the spraying host is positioned below the mixing cavity and integrally provided with a discharging bin, the discharging door is positioned in the discharging bin, the outer side of the spraying host corresponding to the bottom of the discharging bin is provided with an installation base, the discharging bin comprises an upper conical section and a lower straight cylinder section, the cross-sectional area of the conical section of the discharging bin is gradually increased from top to bottom, a buffer bin is correspondingly arranged below the discharging bin and comprises an upper straight cylinder section and a lower conical section, the cross-sectional area of the conical section of the buffer bin is gradually decreased from top to bottom, and a discharging port is arranged at the bottom of the buffer bin; a plurality of cleaning nozzles connected with the CIP automatic cleaning system are arranged in the mixing chamber, the discharging bin and the buffer bin. The material discharged by the discharge door firstly passes through the discharge bin and then enters the buffer bin, and the material is automatically discharged without residue; after spraying a period, wash spraying host computer inside through CIP self-cleaning system, then rethread hot-blast drying pipe is to the inside stoving heating of spraying host computer, avoids leading to bacterial growing because of moisture remains.
As a further improvement of the invention, a plurality of support rods are arranged on the stirring shaft in a staggered manner, the support rods are perpendicular to the stirring shaft, the support rods penetrate through the corresponding stirring shaft, the left end and the right end of each support rod are symmetrically distributed on the left side and the right side of the stirring shaft, blades are arranged at the two ends of each support rod, the edges of the blades are arc-shaped, and two adjacent support rods on each stirring shaft are perpendicular to each other; the utility model discloses a spraying machine, including the (mixing) shaft, the (mixing) shaft is all rotated and is supported on the spraying host computer in both ends about, both ends all are provided with the bearing about corresponding every (mixing) shaft on the spraying host computer, and wherein one end of (mixing) shaft stretches out outside the spraying host computer, rotary driving mechanism includes two reducers, and the reducer output stretches out the end transmission with corresponding the (mixing) shaft and is connected, and the reducer input end all is connected with the driving motor transmission, still passes. The double motors are directly connected for transmission, so that the transmission is more stable, and the equipment is cleaner; the double rotors rotate reversely to drive the materials to rotate anticlockwise and turn left and right along the inner wall of the mixing cavity, and the materials lose weight instantaneously at the crossed and overlapped part of the two rotors, so that the materials are ensured to be uniformly sprayed by liquid; two adjacent stay bars on the stirring shaft are mutually perpendicular, blades at two ends of the stay bars are also mutually perpendicular, and the processing of the arc angle of the edge of the blade ensures that the crushing rate of the material is extremely low.
As a further improvement of the invention, the opening and closing driving mechanism comprises two discharging door shafts which are arranged in one-to-one correspondence with the two discharging doors, the discharging door shafts are parallel to the stirring shaft, the left and right ends of the discharging door shafts are rotatably supported on the spraying host machine, the discharging door shafts are fixedly connected with the corresponding discharging doors through at least two support arms, a damping backing plate is arranged between the end parts of the support arms and the discharging doors, one end of each discharging door shaft is connected with a rocker arm, the spraying host machine is provided with an air cylinder bin corresponding to the rocker arm, an air cylinder is hinged in the air cylinder bin, the working end of the air cylinder is hinged with a double-link rocker, the left and right ends of the double-link rocker are hinged with connecting rods; a limit column fixed with the spraying host is correspondingly arranged above the double-connection rocker; the spraying host computer is provided with a cylinder bin access door capable of shielding the cylinder bin, and the two cylinder bin access doors are symmetrically arranged on the left and right. The cylinder drives the doubly-linked rocker to swing, the doubly-linked rocker drives the two connecting rods to swing respectively, and the two connecting rods drive the two discharging door shafts to rotate respectively, so that the function of driving the discharging door to open and close is achieved; the synchronous opening and closing action of the double discharge doors is guaranteed, the action consistency is kept, the stretching of the air cylinder is controlled through electromagnetic valve action signals, so that the discharge doors are opened and closed, and a feedback signal is generated when the door body is opened and closed in place.
As a further improvement of the invention, the side surface of the vacuum tube is connected with a quick-release return air pipeline, the other end of the quick-release return air pipeline is communicated with the inside of the mixing cavity, the end part of the vacuum tube is connected with the inlet of the oil mist filter through a pipeline I, the pipeline I is respectively provided with a negative pressure gauge, a pressure transmitter and a pressure release valve, the bottom of the oil mist filter is provided with a sewage discharge outlet, the outlet of the oil mist filter is connected with a front pipeline through a flange, the other end of the front pipeline is connected with a tee joint, the right end of the tee joint is connected with a main pipeline, the upper end of the tee joint is connected with an exhaust pipe, the end part of the exhaust pipe is connected with a fan, the main pipeline is provided with a butterfly valve, the rear end of the. The oil stain filter can filter oil and dust generated during vacuumizing, when the vacuum pump is used for vacuumizing the mixing cavity, the pipeline is long, the vacuum can be achieved within a certain time, the oil stain filter can be used for storing pressure and keeping negative pressure, and the oil stain filter can quickly pump out air in the spraying host machine when the vacuum pump is used for vacuumizing; when the vacuum needs to be released, the pressure release valve preferably adopts a proportional ball valve, and the opening of the pressure release valve can be adjusted to slowly release the vacuum; after the vacuum is completely released, the fan exhausts the air of the mixing cavity, the condensed water in the mixing cavity is reduced to form drops after being condensed, and the drops drop on material particles to influence the mildew of the material.
As a further improvement of the invention, the side surface of the hot air drying pipe is connected with a quick-release return air pipeline, the other end of the quick-release return air pipeline is communicated with the inner part of the mixing cavity, the end part of the hot air drying pipe is connected with a hot air pipe, the front end of the hot air pipe is connected with an electric heating plate type heat exchanger, the electric heating plate type heat exchanger is connected with an air quantity adjustable fan through a pipeline, and the air quantity adjustable fan is connected with an air filter through a pipeline. The return air flow of the return air pipeline is more stable, and the quick-release return air pipeline is more convenient to maintain; the vacuum pumping and hot air drying systems are separately controlled.
As a further improvement of the invention, the first nozzle assembly comprises ten nozzles arranged on the left side of the feed port, each nozzle on the left side is connected with a corresponding pumping pipeline, the second nozzle assembly comprises ten nozzles arranged on the right side of the feed port, and each nozzle on the right side is connected with a corresponding pumping pipeline; the spraying port of the nozzle is provided with a V-shaped groove, and the included angle between the axis of the spraying port of the nozzle and the horizontal plane of the mixing cavity is 15 degrees. The accuracy and the uniformity of liquid spraying are good; the liquid adding proportion range is large, and different adding amount requirements can be met.
As a further improvement of the invention, the first nozzle assembly is connected with a pumping pipeline positioned above the first nozzle assembly, the first nozzle assembly comprises a first left branch pipe, a first right branch pipe and a second right branch pipe, six nozzles are arranged on the first left branch pipe, and four nozzles are arranged on the first right branch pipe and the second right branch pipe; the second nozzle assembly is connected with a pumping pipeline positioned below the second nozzle assembly, the second nozzle assembly comprises a left branch pipe II and a right branch pipe III, four nozzles are arranged on the left branch pipe II, two nozzles are arranged on the right branch pipe III, the left branch pipe II is arranged corresponding to the left branch pipe I, and the right branch pipe III is arranged corresponding to the right branch pipe I and the right branch pipe II; the spraying port of the nozzle is provided with a V-shaped groove, and the included angle between the axis of the spraying port of the nozzle and the horizontal plane of the mixing cavity is 15 degrees. The inclination angle of the nozzles enables the spray between the left and right nozzles to spray all the materials thrown upwards, in the middle of the mixing cavity and on the two stirring shaft blades, and the adjacent sprays are overlapped, so that a better spraying effect is achieved; the 10 nozzles on the left side and the right side can be configured with different addition amounts and used according to actual needs; and a plurality of groups of inclined pressure atomizing nozzles which are reasonably arranged are matched to ensure that the coefficient of variation CV value of the spraying uniformity is less than or equal to 5 percent.
As a further improvement of the invention, the liquid adding equipment comprises a daily tank, the daily tank is connected with a batch tank through a pipeline, the batch tank is connected with a weighing tank through a pipeline, the weighing tank is connected with a buffer tank through a pipeline, and the buffer tank is connected with a pumping pipeline; the material adding equipment is a weightless scale and a batching scale which are matched. The daily tank can ensure the liquid dosage in one day, prevent the device from being incapable of supplying liquid during maintenance, and can send the required liquid into the pumping pipeline through the weighing tank.
Drawings
Fig. 1 is a working principle diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the vacuum pumping system.
Fig. 4 is a schematic structural diagram of a hot air drying system.
Fig. 5 is a three-dimensional structure diagram of the spraying host of the invention.
Fig. 6 is a schematic structural view of the cylinder chamber of the present invention.
Fig. 7 is a cross-sectional view of the present invention.
FIG. 8 is a schematic view of a double stirring shaft.
Fig. 9 is a schematic structural view of the discharge door of the present invention.
Fig. 10 is a perspective view of the discharge door.
Fig. 11 is a side view of the exit door.
Fig. 12 is a schematic structural view of the machine body access door.
FIG. 13 is a schematic structural diagram of a weighing tank and a buffer tank.
FIG. 14 is a schematic structural view of another embodiment of the first and second nozzle assemblies of the present invention.
Fig. 15 is a top view of fig. 14.
Wherein, 1 spraying host computer, 101 mixing chamber, 101a chambered, 101a1 top arc segment, 101a2 middle connecting segment, 101a3 bottom arc segment, 102 discharging bin, 103 buffer bin, 2 feeding inlet, 3 stirring shaft, 4 brace rod, 5 paddle, 6 decelerator, 7 driving motor, 8 coupling, 9 discharging outlet, 10 discharging door, 10a door side, 11 vacuum tube, 11a quick-release return air duct, 12 hot air drying tube, 12a quick-release return air duct, 13 nozzle component, pumping pipeline above 1301, 1301a left branch pipe I, 1301b right branch pipe I, 1301c right branch pipe II, 1302 lower pumping pipeline, 1302a left branch pipe II, 1302b right branch pipe III, 14 bearing, 15 discharging door shaft, 16 support arm, 17 damping cushion plate, 18 rocker arm, 19 cylinder, 20 cylinder, 21 double-linked rocker, 22 connecting rod, 23 spacing column, 24 cylinder bin maintenance door, 25 machine body access doors, 26 nozzles, 27 mounting bases, 28 cleaning nozzles, 29 pumping pipelines, 30 liquid adding equipment, 31 pipeline I, 31a negative pressure gauge, 31b pressure transmitter, 31c pressure release valve,
32 oil mist filter, 32a sewage outlet, 33 front pipeline, 34 exhaust pipe, 35 blower, 36 butterfly valve, 37 main pipeline, 38 branch pipeline, 39 manual ball valve, 40 tee joint, 41 vacuum pump, 42 hot blast pipe, 43 electric heating plate type heat exchanger, 44 air filter, 45 weighing tank and 46 buffer tank.
Detailed Description
Example 1
As shown in fig. 1-13, an automatic vacuum spraying system comprises a spraying host 1, a feeding port 2 is arranged at the top of the spraying host 1, a mixing chamber 101 is arranged inside the spraying host 1, a discharging port 9 is arranged at the bottom of the spraying host 1, and butterfly valves 36 are arranged at the feeding port 2 and the discharging port 9; the mixing cavity 101 comprises two bilaterally symmetrical sub-cavities 101a, a stirring shaft 3 is respectively and rotatably arranged in the two sub-cavities 101a, the stirring shaft 3 is parallel to the length direction of the sub-cavities 101a of the spraying main machine 1, a plurality of paddles 5 are staggered on the stirring shaft 3, the paddles 5 on the two stirring shaft 3 are staggered along the circumferential direction, the two stirring shafts 3 are in transmission connection with a rotary driving mechanism, discharge ports 9 are respectively arranged at the bottoms of the sub-cavities 101a of the two spraying main machines 1, discharge doors 10 are correspondingly arranged at the discharge ports 9, the two discharge doors 10 are both in transmission connection with an opening and closing driving mechanism, the section of each discharge door 10 perpendicular to the stirring shaft 3 is arc-shaped, the arc-shaped angle of each discharge door 10 is 59-61 degrees, openable machine body access doors 25 are respectively arranged at the left side and the right side of the spraying main machine 1, a vacuum tube 11 communicated with the mixing cavity 101 and a hot air, the top of the spraying main machine 1 is provided with a first nozzle assembly 13 and a second nozzle assembly 13 which are communicated with the mixing cavity 101, the first nozzle assembly 13 and the second nozzle assembly 13 are respectively connected with a pumping pipeline 29, and the head end of the pumping pipeline 29 is connected with a liquid adding device 30; a material adding device is correspondingly arranged above the feeding port 2.
In order to ensure that no dead angle exists in the mixing cavity 101, the inner wall of the sub-cavity 101a comprises a top arc-shaped section 101a1, a middle connecting section 101a2 and a bottom arc-shaped section 101a3, the arc-shaped angle of the top arc-shaped section 101a1 is an acute angle, the arc-shaped angle of the bottom arc-shaped section 101a3 is an obtuse angle, and the bottom arc-shaped sections 101a3 of the two sub-cavities 101a are arranged in an intersecting manner; carrying out thin film forging on the bottom wall of the mixing cavity 101 at a height of 160mm above the stirring shaft 3, wherein the total volume of the mixing cavity 101 is 2.30-2.36 m, the volume of the mixing cavity 101 from the bottom wall of the mixing cavity 101 to the upper side part of the stirring shaft 3 is 1.1-1.14 m, the volume of the mixing cavity 101 from the bottom wall of the mixing cavity 101 to the position with the height of 160mm above the stirring shaft 3 is 1.5-1.506 m, and the volume of the mixing cavity 101 from the bottom wall of the mixing cavity 101 to the lower edge part of the machine body inspection door 25 is 1.; the arc angle of discharge door 10 is 60, and two door body sides 10a all incline to set up about discharge door 10, and two door body sides 10a of discharge door 10 all are line contact with the corresponding inner wall of discharge gate 9. The full-length discharge door 10 realizes quick discharge and low residue.
In order to ensure that the material discharged from the discharge hole 9 automatically falls without residue; a discharge bin 102 is integrally arranged below the mixing cavity 101 of the spraying host 1, a discharge door 10 is arranged in the discharge bin 102, a mounting base 27 is arranged on the outer side of the spraying host 1 corresponding to the bottom of the discharge bin 102, the discharge bin 102 comprises an upper conical section and a lower straight cylinder section, the cross-sectional area of the conical section of the discharge bin 102 is gradually increased from top to bottom, a buffer storage bin 103 is correspondingly arranged below the discharge bin 102, the buffer storage bin 103 comprises an upper straight cylinder section and a lower conical section, the cross-sectional area of the conical section of the buffer storage bin 103 is gradually decreased from top to bottom, and a discharge port 9 is arranged at the bottom of the buffer storage bin 103; a plurality of cleaning nozzles 28 connected with the CIP automatic cleaning system are arranged in the mixing chamber 101, the discharging bin 102 and the storing bin 103. After spraying a period, wash spraying host computer 1 inside through CIP self-cleaning system, then rethread hot-blast drying pipe 12 is to the inside stoving heating of spraying host computer 1, avoids leading to bacterial growing because of moisture remains.
In order to make the double-rotor transmission more stable, the equipment is cleaner; a plurality of support rods 4 are arranged on the stirring shaft 3 in a staggered manner, the support rods 4 are perpendicular to the stirring shaft 3, the support rods 4 penetrate through the corresponding stirring shaft 3, the left end and the right end of each support rod 4 are symmetrically distributed on the left side and the right side of the stirring shaft 3, blades 5 are arranged at the two ends of each support rod 4, the edges of the blades 5 are arc-shaped, and two adjacent support rods 4 on each stirring shaft 3 are perpendicular to each other; both ends all rotate to support on spraying host computer 1 about (mixing) shaft 3, and both ends all are provided with bearing 14 about corresponding every (mixing) shaft 3 on spraying host computer 1, outside spraying host computer 1 is stretched out to one of them end of (mixing) shaft 3, rotary drive mechanism includes two reduction gears 6, and 6 output ends of reduction gear are connected with the transmission that corresponds (mixing) shaft 3 and stretch out the end, and 6 input ends of reduction gear all are connected with driving motor 7 transmission, still through 8 looks transmission connections of shaft coupling between two reduction gears 6. The double rotors rotate reversely to drive the materials to rotate anticlockwise and turn left and right along the inner wall of the mixing cavity 101, and the materials lose weight instantaneously at the crossed and overlapped part of the two rotors, so that the materials are ensured to be uniformly sprayed by liquid; two adjacent support rods 4 on the stirring shaft 3 are mutually vertical, blades 5 at two ends of each support rod 4 are also mutually vertical, and the arc angle of the edge of each blade 5 is processed to ensure that the crushing rate of materials is extremely low.
In order to ensure that the double discharge doors 10 are opened synchronously, the opening and closing driving mechanism comprises two discharge door 10 shafts which are arranged in one-to-one correspondence with the two discharge doors 10, the discharge door 10 shafts are parallel to the stirring shaft 3, the left and right ends of the discharge door 10 shafts are rotatably supported on the spraying host machine 1, the discharge door 10 shafts are fixedly connected with the corresponding discharge doors 10 through at least two support arms 16, a damping cushion plate 17 is arranged between the end parts of the support arms 16 and the discharge doors 10, one ends of the discharge door 10 shafts are connected with rocker arms 18, cylinder bins 19 are arranged on the spraying host machine 1 corresponding to the rocker arms 18, cylinders 20 are hinged in the cylinder bins 19, the working ends of the cylinders 20 are hinged with double-link rockers 21, the left and right ends of the double-link rockers 21 are hinged with connecting rods 22, and the; a limit column 23 fixed with the spraying host 1 is correspondingly arranged above the double-connection rocker 21; the spraying host machine 1 is provided with two cylinder chamber access doors 24 capable of shielding the cylinder chambers 19, and the two cylinder chamber access doors 24 are arranged in bilateral symmetry. The cylinder 20 drives the double-link rocker 21 to swing, the double-link rocker 21 drives the two connecting rods 22 to swing respectively, and the two connecting rods 22 drive the two discharging doors 10 to rotate respectively so as to play a role in driving the discharging doors 10 to open and close; the synchronous opening and closing action of the double discharging doors 10 is guaranteed, the action consistency is kept, the stretching of the air cylinder 20 is controlled through electromagnetic valve action signals, the opening and closing of the discharging doors 10 are achieved, and feedback signals exist when the door body is opened and closed in place.
In order to prevent the vacuumizing time from being too long, the oil stain filter is stored as pressure, and negative pressure is kept; the side of the vacuum tube 11 is connected with a quick-release return air pipeline 11a, the other end of the quick-release return air pipeline 11a is communicated with the interior of the mixing cavity 101, the end of the vacuum tube 11 is connected with the inlet of the oil mist filter 32 through a pipeline I31, the pipeline I31 is a 304 seamless steel pipe of ∅ 108, the pipeline I31 is provided with two elbows, the pipeline I31 is respectively provided with a negative pressure gauge 31a, a pressure transmitter 31b and a pressure release valve 31c, the pressure release valve 31c is a proportional ball valve, the proportional ball valve is connected with the side of the pipeline I31 through a DN32 flange, the bottom of the oil mist filter 32 is connected with a ∅ 108 seamless steel pipe through a DN100 butterfly valve, a drain 32a is arranged at the lower end of the seamless steel pipe, the outlet of the oil mist filter 32 is connected with a front pipeline through the DN100 flange, the other end of the front pipeline is connected, the end of the exhaust pipe 34 is connected with a fan 35, a DN100 butterfly valve 36 is arranged on the main pipeline 37, a tee joint 40 is connected with the rear end of the main pipeline 37, the left end and the right end of the tee joint 40 are connected with branch pipelines 38 through reducer joints of ∅ 57, manual ball valves 39 of DN50 are arranged on the branch pipelines 38, the branch pipelines 38 are L-shaped, the end parts of the branch pipelines 38 are connected with a vacuum pump 41 through single-head wires, one end of each single-head wire is a ∅ 57 pipe, and the other end of each single-head wire is a G2 thread. The oil stain filter can filter oil and dust generated during vacuumizing, and can quickly pump out air in the spraying host machine 1 when vacuumizing is needed; when the vacuum needs to be released, the pressure release valve 31c is preferably a proportional ball valve, and the opening of the pressure release valve 31c can be adjusted to slowly release the vacuum; after the vacuum is completely released, the fan 35 is used for exhausting air to the mixing cavity 101, so that the problem that condensed water in the mixing cavity 101 is condensed to form drops and drops on material particles to influence the mildew of the material is solved.
In order to make the return air flow of the return air pipeline more stable, the quick-release return air pipeline is more convenient to maintain; the side of the hot air drying pipe 12 is connected with a quick-release return air pipeline 12a, the other end of the quick-release return air pipeline 12a is communicated with the inside of the mixing chamber 101, the end of the hot air drying pipe 12 is connected with a hot air pipe 42, the front end of the hot air pipe 42 is connected with an electric heating plate type heat exchanger, the electric heating plate type heat exchanger is connected with an air quantity adjustable fan 35 through a pipeline, and the air quantity adjustable fan 35 is connected with an air filter 44 through a pipeline. The vacuum pumping and hot air drying systems are separately controlled.
The first nozzle assembly 13 comprises ten nozzles 26 arranged on the left side of the feed port 2, each nozzle 26 on the left side is connected with a corresponding pumping pipeline 29, the second nozzle assembly 13 comprises ten nozzles 26 arranged on the right side of the feed port 2, and each nozzle 26 on the right side is connected with a corresponding pumping pipeline 29; a V-shaped groove is arranged at the spray outlet of the nozzle 26, and the angle between the spray outlet axis of the nozzle 26 and the horizontal plane of the mixing cavity 101 is 15 degrees. The accuracy and the uniformity of liquid spraying are good; the liquid adding proportion range is large, and different adding amount requirements can be met.
In order to ensure the normal work of the spraying system and prevent the device from being incapable of supplying liquid during maintenance; the liquid adding device 30 comprises a daily tank, the daily tank is connected with a batch tank through a pipeline, the batch tank is connected with a weighing tank 45 through a pipeline, the weighing tank 45 is connected with a buffer tank 46 through a pipeline, and the buffer tank 46 is connected with a pumping pipeline 29; the material adding equipment is a weightless scale and a batching scale which are matched. The required liquid can be fed to the pumping conduit 29 via a weighing tank 45.
When the device works, materials (pet materials) are added into a mixing cavity 101 through a feeding hole 2 by material adding equipment, after the feeding is finished, the feeding hole 2 is closed, the interior of the mixing cavity 101 is vacuumized through a vacuum tube 11, grease with corresponding weight is prepared in advance by liquid adding equipment 30 according to the weight of the added materials, after the vacuumization is finished, liquid grease is sent into a first nozzle assembly 13 through a pumping pipeline 29, meanwhile, a stirring shaft 3 rotates to roll and stir the materials through a paddle 5, the grease is sprayed onto the surface of the materials by the nozzle assembly 13, after the spraying is finished, the vacuum is slowly released, and the opening degree of the vacuum tube 11 is controlled through a proportional ball valve, so that the grease is pressed into material particles by atmospheric pressure; then, meat pulp is sprayed on the surfaces of the material particles through another pumping pipeline 29 and a second nozzle assembly 13, or powdery phagostimulant is added through the feed inlet 2; and finally, opening and closing the driving mechanism to open the two discharging doors 10 for discharging.
Example 2
As shown in fig. 14 and 15, the difference from embodiment 1 is that the first nozzle assembly 13 is connected to the pumping line 1301 located above, the first nozzle assembly 13 includes a left branch pipe 1301a, a right branch pipe 1301b and a right branch pipe 1301c, six nozzles 26 are provided on the left branch pipe 1301a, and four nozzles 26 are provided on each of the right branch pipe 1301b and the right branch pipe 1301 c; the second nozzle assembly 13 is connected with the pumping pipeline 1302 positioned below, the second nozzle assembly 13 comprises a left branch pipe two 1302a and a right branch pipe three 1302b, four nozzles 26 are arranged on the left branch pipe two 1302a, two nozzles 26 are arranged on the right branch pipe three 1302b, the left branch pipe two 1302a is arranged corresponding to the left branch pipe one 1301a, and the right branch pipe three 1302b is arranged corresponding to the right branch pipe one 1301b and the right branch pipe two 1301 c; a V-shaped groove is arranged at the spray outlet of the nozzle 26, and the angle between the spray outlet axis of the nozzle 26 and the horizontal plane of the mixing cavity 101 is 15 degrees. The inclination angle of the nozzles 26 ensures that the spray between the nozzles 26 at the left side and the right side can spray all the materials thrown upwards and in the middle of the mixing cavity 101 and on the blades 5 of the stirring shaft 3, and the adjacent sprays are overlapped to achieve a better spraying effect; the 10 nozzles 26 on the left side and the right side can be configured with different addition amounts and can be used according to actual needs; and a plurality of groups of inclined pressure atomizing nozzles which are reasonably arranged are matched to ensure that the coefficient of variation CV value of the spraying uniformity is less than or equal to 5 percent.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (10)
1. The automatic vacuum spraying system comprises a spraying host, wherein a feeding hole is formed in the top of the spraying host, a mixing cavity is formed in the spraying host, a discharging hole is formed in the bottom of the spraying host, the mixing cavity comprises two bilaterally symmetrical sub-cavities, a stirring shaft is respectively and rotatably arranged in the two sub-cavities and is parallel to the length direction of the sub-cavities of the spraying host, a plurality of blades are arranged on the stirring shaft in a staggered mode, the blades on the stirring shaft are circumferentially staggered, the stirring shaft is in transmission connection with a rotary driving mechanism, the discharging hole is formed in the bottom of each sub-cavity of the spraying host, discharging doors are correspondingly arranged at the discharging holes and are in transmission connection with an opening and closing driving mechanism, the discharging doors are arc-shaped along the cross section perpendicular to the stirring shaft, the arc-shaped angle of each discharging door is 59-61 degrees, the spraying main machine is characterized in that openable machine body access doors are arranged on the left side and the right side of the spraying main machine, a vacuumizing pipe communicated with the mixing cavity and a hot air drying pipe communicated with the mixing cavity are arranged on the upper side of the spraying main machine, a first nozzle assembly and a second nozzle assembly communicated with the mixing cavity are arranged at the top of the spraying main machine, the first nozzle assembly and the second nozzle assembly are respectively connected with a pumping pipeline, and the head end of the pumping pipeline is connected with liquid adding equipment; and material adding equipment is correspondingly arranged above the feeding hole.
2. The automatic vacuum spraying system of claim 1, wherein the inner wall of each sub-chamber comprises a top arc section, a middle connecting section and a bottom arc section, the arc angle of the top arc section is an acute angle, the arc angle of the bottom arc section is an obtuse angle, and the bottom arc sections of the two sub-chambers are arranged in an intersecting manner; carrying out thin film vapor phase epitaxy on the bottom wall of the mixing cavity, carrying out thin film vapor phase epitaxy on the bottom wall of the mixing cavity; the arc angle of discharge door is 60, and two door body sides all incline to set up about the discharge door, and two door body sides of discharge door all are line contact with the corresponding inner wall of discharge gate.
3. The automatic vacuum spraying system according to claim 1 or 2, wherein a discharge bin is integrally arranged below the mixing cavity, a discharge door is arranged in the discharge bin, a mounting base is arranged on the outer side of the spraying host corresponding to the bottom of the discharge bin, the discharge bin comprises an upper conical section and a lower straight cylinder section, the cross-sectional area of the conical section of the discharge bin is gradually increased from top to bottom, a buffer bin is correspondingly arranged below the discharge bin, the buffer bin comprises an upper straight cylinder section and a lower conical section, the cross-sectional area of the conical section of the buffer bin is gradually decreased from top to bottom, and a discharge port is arranged at the bottom of the buffer bin; a plurality of cleaning nozzles connected with the CIP automatic cleaning system are arranged in the mixing chamber, the discharging bin and the buffer bin.
4. The automatic vacuum spraying system of claim 1 or 2, wherein a plurality of support rods are arranged on the stirring shaft in a staggered manner, the support rods are perpendicular to the stirring shaft, the support rods are arranged to penetrate through the corresponding stirring shaft, the left end and the right end of each support rod are symmetrically distributed on the left side and the right side of the stirring shaft, blades are arranged at the two ends of each support rod, the edges of the blades are arc-shaped, and two adjacent support rods on each stirring shaft are perpendicular to each other; the utility model discloses a spraying machine, including the (mixing) shaft, the (mixing) shaft is all rotated and is supported on the spraying host computer in both ends about, both ends all are provided with the bearing about corresponding every (mixing) shaft on the spraying host computer, and wherein one end of (mixing) shaft stretches out outside the spraying host computer, rotary driving mechanism includes two reducers, and the reducer output stretches out the end transmission with corresponding the (mixing) shaft and is connected, and the reducer input end all is connected with the driving motor transmission, still passes.
5. The automatic vacuum spraying system according to claim 1 or 2, wherein the opening and closing driving mechanism comprises two discharging door shafts which are arranged in one-to-one correspondence with the two discharging doors, the discharging door shafts are parallel to the stirring shaft, the left and right ends of each discharging door shaft are rotatably supported on the spraying host machine, each discharging door shaft is fixedly connected with the corresponding discharging door through at least two support arms, a damping cushion plate is arranged between the end part of each support arm and each discharging door, one end of each discharging door shaft is connected with a rocker arm, the spraying host machine is provided with an air cylinder bin corresponding to the rocker arm, an air cylinder is hinged in the air cylinder bin, the working end of the air cylinder is hinged with a double-link rocker, the left and right ends of the double-link rocker are hinged with connecting rods, and the other ends of the; a limit column fixed with the spraying host is correspondingly arranged above the double-connection rocker; the spraying host computer is provided with a cylinder bin access door capable of shielding the cylinder bin, and the two cylinder bin access doors are symmetrically arranged on the left and right.
6. An automated vacuum coating system according to claim 1 or 2, the side surface of the vacuum tube is connected with a quick-release return air pipeline, the other end of the quick-release return air pipeline is communicated with the inside of the mixing cavity, the end part of the vacuum tube is connected with an inlet of the oil mist filter through a pipeline I, a negative pressure gauge, a pressure transmitter and a pressure release valve are respectively arranged on the pipeline I, the bottom of the oil mist filter is provided with a drain outlet, the outlet of the oil mist filter is connected with a front pipeline through a flange, the other end of the front pipeline is connected with a tee joint, the right end of the tee joint is connected with a main pipeline, the upper end of the tee joint is connected with an exhaust pipe, the end part of the exhaust pipe is connected with a fan, be provided with the butterfly valve on the main line, the main line rear end is connected with the tee bend, and both ends all are connected with branch pipeline about the tee bend, are provided with manual ball valve on the branch pipeline, divide the pipeline tip all to be connected with the vacuum pump.
7. The automatic vacuum spraying system of claim 1 or 2, wherein a quick-release air return pipeline is connected to a side surface of the hot air drying pipe, the other end of the quick-release air return pipeline is communicated with the inside of the mixing cavity, a hot air pipe is connected to an end portion of the hot air drying pipe, an electric heating plate type heat exchanger is connected to the front end of the hot air pipe, the electric heating plate type heat exchanger is connected with an air quantity adjustable fan through a pipeline, and the air quantity adjustable fan is connected with an air filter through a pipeline.
8. The automated vacuum coating system of claim 1 or 2, wherein the first nozzle assembly comprises ten nozzles disposed on the left side of the feed port, each nozzle on the left side being connected to a corresponding pumping duct, the second nozzle assembly comprises ten nozzles disposed on the right side of the feed port, each nozzle on the right side being connected to a corresponding pumping duct; the spraying port of the nozzle is provided with a V-shaped groove, and the included angle between the axis of the spraying port of the nozzle and the horizontal plane of the mixing cavity is 15 degrees.
9. The automated vacuum coating system according to claim 1 or 2, wherein the first nozzle assembly is connected to the pumping line located above, the first nozzle assembly comprises a first left branch pipe, a first right branch pipe and a second right branch pipe, six nozzles are arranged on the first left branch pipe, and four nozzles are arranged on each of the first right branch pipe and the second right branch pipe; the second nozzle assembly is connected with a pumping pipeline positioned below the second nozzle assembly, the second nozzle assembly comprises a left branch pipe II and a right branch pipe III, four nozzles are arranged on the left branch pipe II, two nozzles are arranged on the right branch pipe III, the left branch pipe II is arranged corresponding to the left branch pipe I, and the right branch pipe III is arranged corresponding to the right branch pipe I and the right branch pipe II; the spraying port of the nozzle is provided with a V-shaped groove, and the included angle between the axis of the spraying port of the nozzle and the horizontal plane of the mixing cavity is 15 degrees.
10. The automated vacuum coating system of claim 1 or 2, wherein the liquid adding device comprises a day tank, the day tank is connected with a batch tank through a pipeline, the batch tank is connected with a weighing tank through a pipeline, the weighing tank is connected with a buffer tank through a pipeline, and the buffer tank is connected with a pumping pipeline; the material adding equipment is a weightless scale and a batching scale which are matched.
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| CN201911189184.XA CN110893327A (en) | 2019-11-28 | 2019-11-28 | Automatic change vacuum spraying system |
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| CN201911189184.XA CN110893327A (en) | 2019-11-28 | 2019-11-28 | Automatic change vacuum spraying system |
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| CN110893327A true CN110893327A (en) | 2020-03-20 |
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| CN111266240A (en) * | 2020-03-27 | 2020-06-12 | 江苏丰尚智能科技有限公司 | Horizontal vacuum spraying machine |
| CN113858431A (en) * | 2021-09-13 | 2021-12-31 | 河南强耐新材股份有限公司 | Double-shaft double-cylinder pulping device |
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