CN105961607B - Cream production line - Google Patents
Cream production line Download PDFInfo
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- CN105961607B CN105961607B CN201610465790.XA CN201610465790A CN105961607B CN 105961607 B CN105961607 B CN 105961607B CN 201610465790 A CN201610465790 A CN 201610465790A CN 105961607 B CN105961607 B CN 105961607B
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C13/00—Cream; Cream preparations; Making thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to a cream production line, which comprises a feeding and weighing system, a raw material storage system, a spice adding system and a residual material cleaning system, wherein the raw material storage system is connected with the spice adding system; a first vacuum system and a second vacuum system are arranged between the batching cylinder and the aging cylinder, and a third vacuum system is arranged between the aging cylinder and the filling machine; the three vacuum systems respectively comprise a vacuum pump, an auxiliary cylinder and a material suction target cylinder, the auxiliary cylinder is connected with a cylinder opening of the material suction target cylinder through an auxiliary pipeline, and the cylinder opening of the material suction target cylinder is also connected with a raw material residual pipeline to be sucked; the vacuum pump is connected with the auxiliary cylinder; a material suction target cylinder in the first vacuum system is a proportioning cylinder, and the raw materials in the front half section of the corresponding raw material residual pipeline are sucked back into the proportioning cylinder; a material suction target cylinder in the second vacuum system is an aging cylinder, and the raw material in the second half section of the corresponding raw material residual pipeline is sucked back into the aging cylinder; and a material sucking target cylinder in the third vacuum system is also an aging cylinder, and the raw materials of the corresponding raw material residual pipeline are sucked back into the aging cylinder.
Description
Technical Field
The invention relates to an automatic cream production line, and belongs to the technical field of cream production lines.
Background
The production steps of the cream production line comprise principle storage, batching, bus sterilization, homogenization, aging, inner packaging (filling), outer packaging, stacking and the like.
In the existing cream production line, the metering of the feeding mass is needed in the feeding process of powder, in the prior art, the feeding of the powder is generally weighed by a weighing device, when the powder falls into the weighing device from top to bottom from a raw material storage bin, impulsive force is generated, the impulsive force generates errors for mass metering, the errors are called dynamic errors (the errors of the weighing device are static errors), in the existing cream production line feeding weighing system, the dynamic errors of the weighing device are obvious, and the control on the feeding precision is unfavorable; in addition, in the existing cream production, a mass flowmeter is generally adopted for feeding liquid materials such as oil materials, syrup and the like, the precision control of the quality is not high, and the control of the product quality is not favorable;
in the process of raw material storage, the powder is of various varieties, the powder is added and conveyed in a manual distribution mode, the condition of adding wrong materials often occurs, great loss is caused to cream production, and the control on the product quality is unfavorable. In the premixing procedure of mixing powder and liquid, essence and spice are required to be added, the essence and spice have three types of liquid state, colloidal state and powder state, the feeding mode adopted by the prior art is that the essence and spice are respectively and manually weighed and then manually added into a premixing tank, and the premixing tank is added into a mixing tank for mixing. Because the powder is weighed manually, the spice is added more trouble, the precision control is poorer, and the powder adopts the same weighing device, so that the weighing device is difficult to avoid residual spice, the smell tainting is easy to occur, and the adverse effect is caused on the quality of cream products;
the existing cream production cannot be 24 hours uninterrupted according to the relevant regulations of food safety, and long time intervals exist among shifts. Therefore, after a shift is finished, the cream raw materials can be remained in the pipelines between the dosing cylinder and the aging cylinder and between the aging cylinder and the filling machine, and the pipelines generally do not have the temperature control function, so that the raw materials in the pipelines cannot be safely stored in the next shift. Not only causes waste and environmental pollution, but also indirectly increases the production cost and the pressure of sewage treatment.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme:
a cream production line comprising a feed weighing system: the feeding weighing system comprises a powder feeding weighing device and a liquid feeding weighing device; the powder feeding and weighing device comprises a powder storage tank 3, a spiral propelling mechanism 2, a weighing trolley 1 and a variable frequency motor 4; the starting end of the spiral propelling mechanism 2 is horizontally and fixedly arranged at the lower part of the powder storage tank 3, and the variable frequency motor 4 is coaxially arranged with the spiral propelling mechanism 2 and is used for driving the spiral propelling mechanism 2; the lower part of the tail end of the spiral propelling mechanism 2 can be matched and butted with a feed inlet of the weighing trolley 1; the weighing trolley 1 can move on a horizontal rail and is matched and butted with a row of corresponding powder storage tanks 3 above the rail; the weighing trolley 1 is in signal connection with a PLC (programmable logic controller) of the variable frequency motor 4, and the variable frequency motor 4 decelerates step by step according to the weighing signal until the weighing trolley reaches the target weight and stops rotating; the liquid material feeding and weighing device comprises a liquid material storage tank and a pipeline type mass flowmeter which are connected with each other; the liquid material storage tank is internally provided with a steam jacket type heating device, so that the viscosity of the liquid material is kept constant during discharging; an electromagnetic stop valve is arranged at the tail end of a pipeline of the pipeline type mass flowmeter, and the opening and closing of the electromagnetic stop valve respectively control the running and the stopping of liquid material feeding; still include raw materials storage system, spices addition system: the raw material storage system comprises a plurality of storage areas, and each storage area is provided with 10-20 raw material storage tanks; each storage area is provided with a respective first code scanning device, each storage tank is provided with a respective second code scanning device, and each powder storage bag to be fed is provided with a bar code for recording the type, the production date and the weight of a product; before the powder storage bag enters the storage area, the bar code needs to be identified through a first bar code scanning device, and the powder storage bag can enter after verification; before the powder storage bag feeds materials into the raw material storage tank, the bar code needs to be identified through a second bar code scanning device, and after the secondary verification is passed, the materials can be fed; the perfume adding system comprises a plurality of perfume adding units, each perfume adding unit is respectively provided with a stepping eccentric pump, a mixing cavity and a conveying pipe which are sequentially connected, the tail end of the conveying pipe is positioned at the upper part of a premixing cylinder, and liquid perfume, dissolved powdery perfume or diluted colloidal perfume is quantitatively added into the premixing cylinder through the respective stepping eccentric pump; still include leftover bits clearance system: the cream production line comprises a batching cylinder, an aging cylinder and a filling machine which are connected in sequence; a first vacuum system and a second vacuum system are arranged between the batching cylinder and the aging cylinder, and a third vacuum system is arranged between the aging cylinder and the filling machine; the three vacuum systems respectively comprise a vacuum pump, an auxiliary cylinder E2 and a material suction target cylinder E1, wherein the auxiliary cylinder E2 is connected with a cylinder opening of the material suction target cylinder E1 through an auxiliary pipeline, and the cylinder opening of the material suction target cylinder E1 is also connected with a raw material residue pipeline to be sucked; the vacuum pump is connected with the auxiliary cylinder E2, so that stable negative pressure is generated in the auxiliary cylinder E2, and the cream raw material in the raw material residual pipeline falls into the material suction target cylinder E1 under the action of gravity and cannot enter the auxiliary pipeline; a material suction target cylinder E1 in the first vacuum system is a proportioning cylinder, and the raw materials in the front half section of the corresponding raw material residual pipeline are sucked back into the proportioning cylinder; a material suction target cylinder E1 in the second vacuum system is an aging cylinder, and the raw materials in the second half section of the corresponding raw material residual pipeline are sucked back into the aging cylinder; and a material sucking target cylinder E1 in the third vacuum system is also an aging cylinder, and sucks the corresponding raw material of the raw material residual pipeline back to the aging cylinder.
Furthermore, the liquid material feeding and weighing device also comprises a weighing module and a premixing cylinder for mixing powder materials and liquid materials, wherein the weighing module is arranged below the premixing cylinder and is used for weighing the materials in the premixing cylinder; and the weighing module is in signal connection with the pipeline type mass flow meter, PID correction is carried out on data measured by the pipeline type mass flow meter until the finally corrected target mass data is obtained, and the electromagnetic stop valve is closed.
Further, when the powder is discharged: the variable frequency motor 4 keeps constant high speed, before approaching a metering point, the variable frequency motor 4 gradually decelerates, and the conveying speed gradually slows down until reaching the metering point and stops; when liquid materials are discharged: the pipeline type flowmeter records the discharge quality in real time, the weighing module carries out weighing, real-time PID correction is carried out on detection data of the pipeline type flowmeter, and the electromagnetic stop valve receives a closing signal fed back by the weighing module and closes until the quality data after the PID correction reaches a metering point.
Furthermore, the liquid material and the powder material are alternately discharged in sequence, the discharged materials fall into the premixing cylinder, and the weighing module subtracts the mass of the powder material falling into the premixing cylinder before performing real-time PID correction on the detection data of the pipeline type flowmeter.
Further, the raw material storage system monitors the real-time weight and quality guarantee period of the powder in the raw material storage tank 2 according to the production date and weight information recorded by the bar code.
Further, the multiple of the displacement of the stepping eccentric pump is the addition amount of liquid perfume.
Further, the second vacuum system and the third vacuum system share one vacuum pump, one auxiliary cylinder E2 and one aging cylinder; the residual pipelines of the raw materials to be pumped are different and are switched by a valve.
Furthermore, the residual material cleaning system of the cream production line also comprises a cooling water system, wherein the cooling water system forms circulation between the vacuum pump and the auxiliary cylinder E2 through a pipeline and external power to cool the auxiliary cylinder E2 and the vacuum pump.
Furthermore, the cooling water system comprises a temperature control reservoir, and a water outlet of the temperature control reservoir is connected with a water inlet pipeline; the water inlet pipeline, the cooling pipeline in the auxiliary cylinder E2 and the water return pipeline are sequentially connected; the water return pipeline is connected with a water return port of the temperature control reservoir; and a first valve V8, a sight glass FI40, a filter B2, a real-time flow meter V12, a second valve V9 and a circulating pump PI1 are sequentially arranged on the water inlet pipeline.
The invention has the beneficial effects that:
aiming at a raw material storage system and a spice adding system:
1) By arranging the spiral propelling mechanism and the variable frequency motor and controlling the propelling speed of the spiral propelling mechanism to be gradually decreased by the PLC, the dynamic error caused by the fact that powder falls into the weighing device from top to bottom is reduced to the maximum extent, and the precision of powder metering is improved.
2) The dolly of weighing is rail movement's form, can dock with a plurality of powder holding vessel, design benefit, and work efficiency is high.
3) And performing PID correction on implementation data of the pipeline type mass flow meter by adopting the weighing module to obtain more accurate mass data of liquid material discharging. The liquid material feeding precision is higher.
4) Liquid material, powder ejection of compact in proper order in turn, the ejection of compact falls into the jar that mixes in advance, weighing module subtracts the quality that has fallen into the jar that mixes in advance earlier before carrying out real-time PID correction to the test data of pipeline formula flowmeter, has both reached the effect of misce bene, has reached the purpose of the reinforced accurate measurement of liquid material again, design benefit.
5) Various metered raw materials are automatically sent to a premixing cylinder for mixing, and the premixing cylinder also has a metering composite function, so that the metering safety in the production process is further enhanced.
6) The whole charging and weighing system is controlled to execute according to a specific program and record the process, so that various defects caused by a manual operation mode commonly adopted in the industry are avoided, and the safety and traceability of the product are ensured.
Aiming at a raw material storage system and a spice adding system:
1) Storage area and single raw materials storage jar all are equipped with sweeps a yard device, sweeps a yard control through twice, prevents to feed in raw materials and makes mistakes, improves product quality.
2) The real-time weight and the quality guarantee period of the powder in the raw material storage tank are monitored through the production date and the weight information recorded by the bar codes, and the automatic monitoring is more reliable.
3) The stepping eccentric pump, the mixing cavity and the conveying pipe are adopted for adding spice, the spice is completely converted into liquid state through dissolution and dilution, and the stepping eccentric pump with fixed displacement is adopted for feeding, so that the method is more convenient; meanwhile, the addition amount of the spice is more accurate, the product quality is improved, a weighing device is avoided, and the smell of the spice is prevented from being mixed.
Aiming at the residual material cleaning system:
1) When the cream production shifts, the original materials in the pipeline do not need to be discharged, thereby avoiding waste and protecting the environment.
2) The online cleaning and disinfection in a specific range are avoided for each shift, the workload is reduced, and the working efficiency is improved.
3) The auxiliary cylinder and the vacuum pump are matched to provide stable negative pressure, raw materials cannot be sucked into the pump or the auxiliary cylinder and the auxiliary pipeline under the action of gravity, and the design is ingenious.
4) The upper part of the auxiliary cylinder is communicated with the inlet of the material suction target cylinder through an auxiliary pipeline, and the design is reasonable. 5) Arranging three vacuum systems, wherein the first vacuum system aims at the front half section of a pipeline between the proportioning cylinder and the homogenizing cylinder; the second vacuum system is used for the rear half section of the pipeline between the proportioning cylinder and the homogenizing cylinder; and the third vacuum system is configured and optimized aiming at the pipeline between the aging cylinder and the filling machine, and is carefully considered.
6) The same aging cylinder and auxiliary cylinder are shared by the second vacuum system and the third vacuum system, so that resources are fully integrated, the integration is high, the cost is saved, and the efficiency is improved.
7) And a circulating water cooling system is adopted, and the auxiliary cylinder and the vacuum pump are cooled simultaneously, so that the reasonable temperatures of the vacuum pump and the auxiliary cylinder are ensured, and the working efficiency of the cooling system is high.
8) Set up first valve V8, sight glass FI40, filter B2, real-time flowmeter V12, second valve V9, circulating pump PI1 in the circulating water cooling system, water circulation control is more convenient, and monitorable nature is good, and the reliability is high.
Drawings
FIG. 1 is a schematic diagram of the main process flow of a cream production line.
FIG. 2 is a vertical view of the powder storage and metering process in the cream production line feeding and weighing system.
FIG. 3 is a schematic view of the powder storage and metering process shown in FIG. 2, showing the connection of the weighing carriage, the screw propulsion mechanism, the powder storage tank, and other components.
Fig. 4 is a process flow diagram of a flavor addition system.
Fig. 5 is a partially enlarged view of fig. 4.
Fig. 6 is a partially enlarged view of fig. 4.
Fig. 7 is a partially enlarged view of fig. 4.
Fig. 8 is a partially enlarged view of fig. 4.
FIG. 9 is a schematic diagram of the vacuum system of the residue cleaning system in the cream production line.
Fig. 10 is an enlarged view of a portion of the upper portion of fig. 9.
Fig. 11 is a partially enlarged view of the lower portion of fig. 9.
In the figure, 1 is a weighing trolley, 2 is a spiral propelling mechanism, 3 is a powder storage tank, and 4 is a variable frequency motor.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Firstly aiming at a charging weighing system:
referring to fig. 1-3, the feeding and weighing system comprises a powder feeding and weighing device and a liquid feeding and weighing device; the powder feeding and weighing device comprises a powder storage tank 3, a spiral propelling mechanism 2, a weighing trolley 1 and a variable frequency motor 4; the starting end of the spiral propelling mechanism 2 is horizontally and fixedly arranged at the lower part of the powder storage tank 3, and the variable frequency motor 4 is coaxially arranged with the spiral propelling mechanism 2 and is used for driving the spiral propelling mechanism 2; the lower part of the tail end of the spiral propelling mechanism 2 can be matched and butted with a feed inlet of the weighing trolley 1; the weighing trolley 1 can move on a horizontal rail and is matched and butted with a row of corresponding powder storage tanks 3 above the rail; the weighing trolley 1 is in signal connection with a PLC (programmable logic controller) of the variable frequency motor 4, and the variable frequency motor 4 decelerates step by step according to the weighing signal until the weighing trolley reaches the target weight and stops rotating; the liquid material feeding and weighing device comprises a liquid material storage tank and a pipeline type mass flowmeter which are connected with each other; the liquid material storage tank is internally provided with a steam jacket type heating device, so that the viscosity of the liquid material is kept constant during discharging; the pipeline end of the pipeline type mass flow meter is provided with an electromagnetic stop valve, and the opening and closing of the electromagnetic stop valve respectively control the operation and the stop of liquid material feeding.
The liquid material feeding and weighing device also comprises a weighing module and a premixing cylinder for mixing powder materials and liquid materials, wherein the weighing module is arranged below the premixing cylinder and is used for weighing the materials in the premixing cylinder; and the weighing module is in signal connection with the pipeline type mass flow meter, PID correction is carried out on data measured by the pipeline type mass flow meter until the finally corrected target mass data is obtained, and the electromagnetic stop valve is closed.
When the powder is discharged: the variable frequency motor 4 keeps constant high speed firstly, before approaching a metering point, the variable frequency motor 4 gradually decelerates, and the conveying speed gradually slows down until the metering point is reached; when liquid materials are discharged: the pipeline type flowmeter records the discharge quality in real time, the weighing module carries out weighing, real-time PID correction is carried out on detection data of the pipeline type flowmeter, and the electromagnetic stop valve receives a closing signal fed back by the weighing module and closes until the quality data after the PID correction reaches a metering point.
The liquid material and the powder material are alternately discharged in sequence, the discharged materials fall into the premixing cylinder, and the weighing module subtracts the mass of the powder material falling into the premixing cylinder before performing real-time PID correction on the detection data of the pipeline type flowmeter.
The powder adopts an electronic and mechanical weighing system, integrates an electronic scale into the PLC as a functional module of the PLC, can finish the weighing process according to the program in the existing system, and can also properly modify the program of the scale according to certain allowable conditions. The electronic scale is seamlessly integrated into the PLC automatic control system through the PLC program, various weighing controls can be completed, and the defect that the conventional electronic scale instrument control cannot be compatible with the PLC control is overcome. In addition, the variable-frequency control screw feeder mechanism further reduces the influence of material pulse on the metering precision in the powder discharging process through a set feeding curve, namely the powder discharging speed is kept constant at a high speed, the conveying speed is gradually reduced before the powder discharging speed approaches a metering point, the impact on a metering element is reduced, and the metering precision is improved.
The metering of oil, syrup class raw materials adopts the compound mode that pipeline formula mass flowmeter + weighing module combined together, and mass flowmeter measures the material, and weighing module measures the material of flowmeter measurement and compound the inspection for the measurement of material accomplishes dual fail-safe on the system. The storage tank is also internally provided with a steam jacket type heating device, so that the viscosity of the stored material is kept constant during discharging, and the metering precision can completely meet the requirement of producing high-quality products.
Various metered raw materials are automatically sent to a premixing cylinder for mixing, and the premixing cylinder also has a metering composite function, so that the metering safety in the production process is further enhanced.
The whole system is controlled to execute and record the process according to a specific program, so that various defects caused by a manual operation mode commonly adopted in the industry are avoided, and the safety and traceability of the product are ensured.
Secondly, aiming at the raw material storage system and the spice adding system:
referring to fig. 4-8, the raw material storage and spice adding system of the cream production line comprises a raw material storage system and a spice adding system; the raw material storage system comprises a plurality of storage areas, each storage area is provided with 10-20 raw material storage tanks 2; each storage area is provided with a respective first code scanning device, each storage tank is provided with a respective second code scanning device, and each powder storage bag to be fed is provided with a bar code for recording the type, the production date and the weight of a product; before the powder storage bag enters the storage area, the bar code needs to be identified through a first bar code scanning device, and the powder storage bag can enter after passing the verification; before the powder storage bag feeds materials into the raw material storage tank 2, the bar code needs to be identified through a second code scanning device, and after the secondary verification is passed, the materials can be fed; the perfume adding system comprises a plurality of perfume adding units, each perfume adding unit is respectively provided with a stepping eccentric pump, a mixing cavity and a conveying pipe which are sequentially connected, the tail end of the conveying pipe is positioned at the upper part of a premixing cylinder, and liquid perfume, dissolved powdery perfume or diluted colloidal perfume is quantitatively added into the premixing cylinder through the respective stepping eccentric pump.
And the raw material storage system monitors the real-time weight and quality guarantee period of the powder in the raw material storage tank 2 according to the production date and weight information recorded by the bar code.
The multiple of the displacement of the stepping eccentric pump is the addition amount of liquid spice.
The mixing chamber is used for dissolution of the powdered flavor, dilution of the liquid/colloidal flavor.
A heating device and stirring blades which are adjusted in a stepless manner are arranged in the premixing cylinder.
Finally, aiming at a residual material cleaning system:
referring to fig. 9-11, the cream production line includes a batching cylinder, an aging cylinder, and a filling machine connected in sequence; a first vacuum system and a second vacuum system are arranged between the batching cylinder and the aging cylinder, and a third vacuum system is arranged between the aging cylinder and the filling machine; the three vacuum systems respectively comprise a vacuum pump, an auxiliary cylinder E2 and a material suction target cylinder E1, wherein the auxiliary cylinder E2 is connected with a cylinder opening of the material suction target cylinder E1 through an auxiliary pipeline, and the cylinder opening of the material suction target cylinder E1 is also connected with a raw material residue pipeline to be sucked; the vacuum pump is connected with the auxiliary cylinder E2, so that stable negative pressure is generated in the auxiliary cylinder E2, and the cream raw material in the raw material residual pipeline falls into the material suction target cylinder E1 under the action of gravity and cannot enter the auxiliary pipeline; a material suction target cylinder E1 in the first vacuum system is a proportioning cylinder, and the raw materials in the front half section of the corresponding raw material residual pipeline are sucked back into the proportioning cylinder; a material suction target cylinder E1 in the second vacuum system is an aging cylinder, and the raw materials in the second half section of the corresponding raw material residual pipeline are sucked back into the aging cylinder; and a material sucking target cylinder E1 in the third vacuum system is also an aging cylinder, and sucks the corresponding raw material of the raw material residual pipeline back to the aging cylinder.
The second vacuum system and the third vacuum system share one vacuum pump, one auxiliary cylinder E2 and one aging cylinder; and the residual pipelines of the raw materials to be pumped are different and are switched by a valve.
Referring to fig. 11, the system for cleaning the residual materials in the cream production line further comprises a cooling water system, wherein the cooling water system forms circulation between the vacuum pump and the auxiliary cylinder E2 through a pipeline and external power to cool the auxiliary cylinder E2 and the vacuum pump.
Referring to fig. 11, the cooling water system includes a temperature-controlled reservoir, and a water outlet of the temperature-controlled reservoir is connected to a water inlet pipeline; the water inlet pipeline, the cooling pipeline in the auxiliary cylinder E2 and the water return pipeline are sequentially connected; the water return pipeline is connected with a water return port of the temperature control reservoir; and the water inlet pipeline is sequentially provided with a first valve V8, a sight glass FI40, a filter B2, a real-time flow meter V12, a second valve V9 and a circulating pump PI1.
Referring to fig. 10, the auxiliary line is connected to a side wall of an upper portion of the auxiliary cylinder E2 in a horizontal shape.
When the cream production line shifts, the three vacuum systems are started to work, and cream raw materials remained in the raw material residual pipelines are sucked into the corresponding material suction target cylinders E1, so that waste caused by discharging of the raw materials is avoided, and the environment is protected; meanwhile, the phenomenon that each shift needs to be cleaned and disinfected on line within a specific range is avoided, the workload is reduced, and the working efficiency is improved. The auxiliary cylinder is used for providing stable negative pressure by being matched with the vacuum pump, so that raw materials cannot be sucked into the pump, and the raw materials cannot be sucked into the auxiliary cylinder and the auxiliary pipeline.
While the preferred embodiments of the present invention have been described, those skilled in the art will recognize that many changes may be made thereto without departing from the scope and spirit of the invention, which is defined by the claims and their equivalents.
Claims (7)
1. A cream production line is characterized in that:
including reinforced weighing system: the feeding weighing system comprises a powder feeding weighing device and a liquid feeding weighing device; the powder feeding and weighing device comprises a powder storage tank (3), a spiral propelling mechanism (2), a weighing trolley (1) and a variable frequency motor (4); the starting end of the spiral propelling mechanism (2) is horizontally and fixedly arranged at the lower part of the powder storage tank (3), and the variable frequency motor (4) is coaxially arranged with the spiral propelling mechanism (2) and is used for driving the spiral propelling mechanism (2); the lower part of the tail end of the spiral propelling mechanism (2) can be in matched butt joint with a feed inlet of the weighing trolley (1); the weighing trolley (1) can move on a horizontal rail and is matched and butted with a row of corresponding powder storage tanks (3) above the rail; the weighing trolley (1) is in signal connection with a PLC (programmable logic controller) of the variable frequency motor (4), and the variable frequency motor (4) decelerates step by step according to the weighing signal until the weighing trolley reaches the target weight and stops rotating; the liquid material feeding and weighing device comprises a liquid material storage tank and a pipeline type mass flow meter which are connected with each other; the liquid material storage tank is internally provided with a steam jacket type heating device, so that the viscosity of the liquid material is kept constant during discharging; an electromagnetic stop valve is arranged at the tail end of a pipeline of the pipeline type mass flowmeter, and the opening and closing of the electromagnetic stop valve respectively control the running and the stopping of liquid material feeding;
still include raw materials storage system, spices addition system: the raw material storage system comprises a plurality of storage areas, and each storage area is provided with 10-20 raw material storage tanks; each storage area is provided with a respective first code scanning device, each storage tank is provided with a respective second code scanning device, and each powder storage bag to be fed is provided with a bar code for recording the type, the production date and the weight of a product; before the powder storage bag enters the storage area, the bar code needs to be identified through a first bar code scanning device, and the powder storage bag can enter after verification; before the powder storage bag feeds materials into the raw material storage tank, the bar code needs to be identified through a second bar code scanning device, and after the secondary verification is passed, the materials can be fed; the perfume adding system comprises a plurality of perfume adding units, each perfume adding unit is respectively provided with a stepping eccentric pump, a mixing cavity and a conveying pipe which are sequentially connected, the tail end of the conveying pipe is positioned at the upper part of a premixing cylinder, and liquid perfume, dissolved powdery perfume or diluted colloidal perfume is quantitatively added into the premixing cylinder through the respective stepping eccentric pump;
still include leftover bits clearance system: the cream production line comprises a batching cylinder, an aging cylinder and a filling machine which are connected in sequence; a first vacuum system and a second vacuum system are arranged between the batching cylinder and the aging cylinder, and a third vacuum system is arranged between the aging cylinder and the filling machine; the three vacuum systems respectively comprise a vacuum pump, an auxiliary cylinder (E2) and a material suction target cylinder (E1), wherein the auxiliary cylinder (E2) is connected with a cylinder opening of the material suction target cylinder (E1) through an auxiliary pipeline, and the cylinder opening of the material suction target cylinder (E1) is also connected with a raw material residual pipeline to be sucked; the vacuum pump is connected with the auxiliary cylinder (E2) to generate stable negative pressure in the auxiliary cylinder (E2), and the negative pressure enables the cream raw material in the raw material residual pipeline to fall into the material suction target cylinder (E1) under the action of gravity and not enter the auxiliary pipeline; a material suction target cylinder (E1) in the first vacuum system is a proportioning cylinder, and the raw materials in the front half section of the corresponding raw material residual pipeline are sucked back into the proportioning cylinder; a material suction target cylinder (E1) in the second vacuum system is an aging cylinder, and the raw materials in the second half section of the corresponding raw material residual pipeline are sucked back into the aging cylinder; a material suction target cylinder (E1) in the third vacuum system is also an aging cylinder, and the raw material of the corresponding raw material residual pipeline is sucked back into the aging cylinder;
the liquid material feeding and weighing device also comprises a weighing module and a premixing cylinder for mixing powder materials and liquid materials, wherein the weighing module is arranged below the premixing cylinder and is used for weighing the materials in the premixing cylinder; the weighing module is in signal connection with the pipeline type mass flowmeter, PID correction is carried out on data measured by the pipeline type mass flowmeter until target mass data which are finally corrected are obtained, and the electromagnetic stop valve is closed;
when the powder is discharged: the variable frequency motor (4) keeps constant high speed, before approaching a metering point, the variable frequency motor (4) gradually decelerates, and the conveying speed gradually slows down until the metering point is reached;
when liquid materials are discharged: the pipeline type flowmeter records the discharge quality in real time, the weighing module carries out weighing, real-time PID correction is carried out on detection data of the pipeline type flowmeter, and the electromagnetic stop valve receives a closing signal fed back by the weighing module and closes until the quality data after the PID correction reaches a metering point.
2. The cream production line of claim 1, wherein: the liquid material and the powder material are alternately discharged in sequence, the discharged materials fall into the premixing cylinder, and the weighing module subtracts the mass of the powder material falling into the premixing cylinder before performing real-time PID correction on the detection data of the pipeline type flowmeter.
3. The cream production line as recited in claim 1, further comprising: the raw material storage system monitors the real-time weight and quality guarantee period of the powder in the raw material storage tank (2) according to the production date and weight information recorded by the bar code.
4. The cream production line as recited in claim 1, further comprising: the multiple of the displacement of the stepping eccentric pump is the addition amount of the liquid perfume.
5. The cream production line of claim 1, wherein: the second vacuum system and the third vacuum system share one vacuum pump, one auxiliary cylinder (E2) and one aging cylinder; and the residual pipelines of the raw materials to be pumped are different and are switched by a valve.
6. The cream production line as recited in claim 1, further comprising: the residual material cleaning system of the cream production line further comprises a cooling water system, wherein the cooling water system forms circulation between the vacuum pump and the auxiliary cylinder (E2) through a pipeline and external power to cool the auxiliary cylinder (E2) and the vacuum pump.
7. The cream production line as recited in claim 6, further comprising:
the cooling water system comprises a temperature control reservoir, and a water outlet of the temperature control reservoir is connected with a water inlet pipeline; the water inlet pipeline, the cooling pipeline in the auxiliary cylinder (E2) and the water return pipeline are connected in sequence; the water return pipeline is connected with a water return port of the temperature control reservoir;
the water inlet pipeline is sequentially provided with a first valve (V8), a sight glass (FI 40), a filter (B2), a real-time flowmeter (V12), a second valve (V9) and a circulating pump (PI 1).
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| CN201610465790.XA CN105961607B (en) | 2016-06-24 | 2016-06-24 | Cream production line |
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| CN201610465790.XA CN105961607B (en) | 2016-06-24 | 2016-06-24 | Cream production line |
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| CN105961607B true CN105961607B (en) | 2023-02-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108308508A (en) * | 2018-03-26 | 2018-07-24 | 上海冠生园蜂制品有限公司 | A kind of high viscosity liquid food semi-finished product traceability system |
| CN109132980B (en) * | 2018-09-28 | 2021-06-22 | 广东浪淘砂新型材料有限公司 | Method for automatically identifying components for charging |
| CN112021411A (en) * | 2020-07-30 | 2020-12-04 | 上海海融食品科技股份有限公司 | Online bubble removing device and method for cream production line |
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| CN102657259A (en) * | 2012-06-05 | 2012-09-12 | 光明乳业股份有限公司 | Device and method for producing additive-free yogurt |
| CN202680372U (en) * | 2012-06-05 | 2013-01-23 | 光明乳业股份有限公司 | Device for producing yogurt without additives |
| CN203563635U (en) * | 2013-07-10 | 2014-04-30 | 上海海融食品工业有限公司 | Mixing and circulating system for cream ingredients |
| CN206213154U (en) * | 2016-06-24 | 2017-06-06 | 上海海融食品科技股份有限公司 | A kind of cream production line |
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| CN102657259A (en) * | 2012-06-05 | 2012-09-12 | 光明乳业股份有限公司 | Device and method for producing additive-free yogurt |
| CN202680372U (en) * | 2012-06-05 | 2013-01-23 | 光明乳业股份有限公司 | Device for producing yogurt without additives |
| CN203563635U (en) * | 2013-07-10 | 2014-04-30 | 上海海融食品工业有限公司 | Mixing and circulating system for cream ingredients |
| CN206213154U (en) * | 2016-06-24 | 2017-06-06 | 上海海融食品科技股份有限公司 | A kind of cream production line |
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