CN112268398B - Micro-freezing control method for cold-chain logistics - Google Patents
Micro-freezing control method for cold-chain logistics Download PDFInfo
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- CN112268398B CN112268398B CN202011156864.4A CN202011156864A CN112268398B CN 112268398 B CN112268398 B CN 112268398B CN 202011156864 A CN202011156864 A CN 202011156864A CN 112268398 B CN112268398 B CN 112268398B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D13/00—Stationary devices, e.g. cold-rooms
- F25D13/06—Stationary devices, e.g. cold-rooms with conveyors carrying articles to be cooled through the cooling space
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/36—Freezing; Subsequent thawing; Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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Abstract
The invention discloses a micro-freezing control method for cold chain logistics, which comprises the steps of firstly, accommodating articles to be conveyed through a cold chain cabinet, adjusting the position of an interlayer plate through a lifting mechanism, dividing a refrigerating space in the cold chain cabinet into different interlayers, and adjusting the size of the interlayer according to the volume and mass of the articles to be conveyed so as to maximize the logistics conveying efficiency; the invention provides a micro-freezing control method for cold chain logistics, which is characterized in that a cold chain cabinet is divided into different temperature areas, so that articles under different storage conditions can be conveniently separated and stored, the temperature of the different temperature areas is adjusted in real time, the influence of integral uniform freezing on the storage and preservation effects of the articles is avoided, energy is saved, and the operation cost of the cold chain logistics is reduced.
Description
Technical Field
The invention relates to the technical field of cold-chain logistics, in particular to a micro-freezing control method for cold-chain logistics.
Background
In order to make the freezing preservation more complete and the preserved food have the original flavor of the food, the food is often frozen and preserved at low temperature. With the continuous development and progress of food processing technology, the quick-frozen food of various countries is in a low-temperature environment.
Cold chain logistics generally refers to a system project of producing, storing, transporting and selling refrigerated and frozen foods, and keeping the refrigerated and frozen foods in a specified low-temperature environment in all links before consumption so as to ensure the quality of the foods and reduce the loss of the foods. It is established with the progress of science and technology and the development of refrigeration technology, and is a low-temperature logistics process based on refrigeration technology and by means of refrigeration technology.
The application range of the cold-chain material flow comprises the following steps: a primary agricultural product; aquatic products and flower products. Processing food: quick-frozen food, fowl, meat, aquatic product, etc. can be used for packaging cooked food, ice cream and milk product, and chocolate; a snack food material. Special goods: the requirements of the medicine are higher and more complex than the requirements of a common normal-temperature logistics system, the construction investment is much larger, and the medicine is a huge system engineering. The timeliness of perishable foods requires that each link of the cold chain has higher organization coordination, so the operation of the food cold chain is always related to energy consumption cost, and the effective control operation cost is closely related to the development of the food cold chain. Because the variety of the articles conveyed by the cold chain is numerous, different articles have different requirements on transportation storage temperature and humidity, the storage and preservation effects of the articles conveyed by the cold chain are influenced due to the fact that the articles are often uniformly stored and frozen in the existing cold chain conveying process and cannot be flexibly adjusted in real time according to actual environmental conditions, unnecessary energy waste is caused, and the operation and treatment cost is increased.
Disclosure of Invention
The invention aims to provide a micro-freezing control method for cold-chain logistics, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for micro-freezing control of cold-chain logistics, comprising the steps of:
the method comprises the following steps: the cold chain cabinet is used for accommodating articles to be conveyed, the position of the interlayer plate is adjusted through the lifting mechanism, the refrigerating space in the cold chain cabinet is divided into different interlayers, and the size of the interlayer is adjusted according to the volume and the mass of the articles to be conveyed, so that the logistics conveying efficiency is maximized;
step two: the cold chain cabinet is refrigerated through the refrigerating mechanism, air is supplied to different interlayers through the air supply fan, the temperature of the different interlayers is different by setting the rotating speed of the air supply fan, different temperature zones are formed, and different types of articles can be conveniently and correspondingly processed, so that the energy utilization efficiency is improved;
step three: the articles to be conveyed are conveyed to the proper interlayer by the aid of the feeding mechanism; transporting the article to be transported to a suitable location by a transfer mechanism;
step four: the articles to be conveyed are limited and fixed through the limiting mechanism, so that proper space is kept among the articles to be conveyed, the air supply and refrigeration efficiency is improved, and the stability of the logistics conveying process is improved;
step five: the temperature of each temperature zone is monitored in real time through an infrared temperature sensor, and the temperature of each temperature zone is adjusted in real time by adjusting the rotating speed of an air supply fan.
As a further scheme of the invention: the lifting mechanism comprises a pulley box, the top of the pulley box is fixedly connected with the top of the inner wall of the cold chain cabinet, a lifting motor is fixedly mounted in the middle of the inner wall of the pulley box, the output end of the lifting motor is fixedly connected with a driving gear, one end of the driving gear is meshed with a driven gear, material rollers are fixedly connected to one side of the driving gear and one side of the driven gear, and lifting chains are fixedly connected to the middles of the two material rollers; the equal fixedly connected with backup pad in both ends at interlayer board top surface middle part, two the both ends of backup pad one side respectively with the both ends fixed connection of two spliced poles, the transmission guide pulley is installed in all rotating at the both ends of band pulley incasement wall, logical groove has all been seted up at the both ends of band pulley incasement wall bottom, two the one end of lift chain is passed two respectively logical grooves and with the middle part fixed connection of two spliced poles, two the middle part of lift chain respectively with the middle part sliding connection of two transmission guide pulleys.
As a further scheme of the invention: the internal portion of cabinet of cold chain cabinet has seted up the cavity, refrigerating mechanism includes two refrigeration pipes, two one side of refrigeration pipe respectively with the both sides fixed connection of cavity inner wall, two the one end of refrigeration pipe all with the output fixed connection of refrigeration subassembly, the equal fixed mounting in both ends of cold chain cabinet inner wall both sides has a plurality of evenly distributed's air supply fan, a plurality of one side of air supply fan communicates with each other with the inside of cavity.
As a further scheme of the invention: the transfer mechanism comprises a first transfer unit, the first transfer unit comprises a bearing plate, a plurality of uniformly distributed guide grooves are formed in the top of the bearing plate, guide wheels are inserted and connected into the plurality of guide grooves, one sides of the plurality of guide wheels are fixedly connected with the output ends of the plurality of guide motors respectively, and the tops of the plurality of guide wheels protrude out of the top surface of the bearing plate; stop gear is including seting up in a plurality of spacing groove of leading and send groove clearance position, a plurality of the inside of spacing groove all alternates and is connected with the gag lever post, a plurality of the bottom of gag lever post respectively with the output fixed connection of the spacing cylinder of a plurality of.
As a further scheme of the invention: the transfer mechanism further comprises a second transfer unit, the second transfer unit comprises two material conveying belts, one sides of the two material conveying belts are respectively and rotatably connected with one sides of the two support plates, the other sides of the two material conveying belts are respectively and fixedly connected with one sides of the two side edge plates, and the bottoms of the two side edge plates are respectively and fixedly connected with the two sides of the top of the interlayer plate; and anti-skid grains are arranged on the belt surfaces of the two material conveying belts.
As a further scheme of the invention: the feeding mechanism comprises a feeding table, the two sides of the bottom of the feeding table are respectively connected with the tops of two folding frames in a rotating mode, the two ends of the bottom of each folding frame are respectively fixedly connected with the output ends of four adjusting cylinders, the bottoms of the adjusting cylinders are fixedly connected with the bottom of the inner wall of the cold chain cabinet, and the middle of the bottom of the feeding table is fixedly connected with a bottom column.
As a further scheme of the invention: the cold chain cabinet is characterized in that sealing plates are fixedly connected to two sides of the bottom of the interlayer plate, a plurality of uniformly distributed limiting plates are fixedly connected to one side of each sealing plate, a plurality of uniformly distributed limiting grooves are formed in the middle of two sides of the inner wall of the cold chain cabinet, and the inner walls of the limiting grooves are connected with the limiting plates in a sliding mode.
As a further scheme of the invention: one end of the top of the inner wall of the cold chain cabinet is hinged with a heat insulation plate, the middle part of the heat insulation plate is provided with a plurality of uniformly distributed ventilation windows, and the inner walls of the plurality of ventilation windows are fixedly provided with electric shutters; the top of cold chain cabinet one end articulates there is the freezer door, the vent has all been seted up at the both ends of freezer door one side, the inner wall fixedly connected with filter screen of vent, the equal fixed mounting in both ends of heat insulating board one side has temperature humidity transducer, the equal fixed mounting in both sides at the both sides at cold chain cabinet top and the both sides of interlayer board bottom has infrared temperature sensor.
As a further scheme of the invention: the center at interlayer board top is seted up a plurality of interval distribution's spacing hole, the central fixedly connected with a plurality of spacing post of band pulley bottom of the case portion, a plurality of the bottom of spacing post respectively with the inner wall sliding connection in the spacing hole of a plurality of.
As a further scheme of the invention: the equal fixed mounting in both sides of cold chain cabinet one end bottom has the connecting plate, two one side of connecting plate respectively with the both ends fixed connection of connecting rod, feed mechanism still includes the stock guide, the equal fixedly connected with sliding sleeve of stock guide one end, sliding sleeve's inner wall and the middle part sliding connection of connecting rod, the one end fixedly connected with joint plate at stock guide top, the draw-in groove has been seted up at the middle part of freezer door one side, one side of joint plate corresponds the setting with the inside of draw-in groove.
Compared with the prior art, the invention has the beneficial effects that: according to the micro-freezing control method for the cold chain logistics, the cold chain cabinet is divided into different temperature areas by arranging the partition plate and other structures, so that the articles in different storage conditions can be conveniently separated and stored, and the temperatures of the different temperature areas are adjusted in real time by arranging the cooling mechanisms such as the air supply fan and the like, so that the articles in the different temperature areas are in different freezing states, the storage and preservation effects of the articles are prevented from being influenced by the integral and unified freezing, meanwhile, the energy is effectively saved, and the operation cost of the cold chain logistics is reduced; meanwhile, the material loading and unloading operation of the articles is more convenient and faster by arranging the transfer mechanism; through setting up stop gear, carry on spacingly to depositing the article on the loading board for keep suitable interval between the article of waiting to transport, improve the refrigerated efficiency of air supply, improve logistics transportation process's stability simultaneously.
Drawings
FIG. 1 is a perspective view of a cold chain cabinet;
FIG. 2 is a side cross-sectional view of the cold chain cabinet;
fig. 3 is a partial structural front sectional view of the cold chain cabinet.
In the figure: 101. a cold chain cabinet; 102. an infrared temperature sensor; 103. a heat insulation plate; 104. an electric blind window; 105. a refrigerator door; 106. a filter screen; 107. a temperature and humidity sensor; 108. a connecting plate; 109. a connecting rod; 110. a material guide plate; 111. a sliding sleeve; 112. a clamping and connecting plate; 201. a interlayer plate; 202. a pulley box; 203. a driving gear; 204. a driven gear; 205. a material roller; 206. a lifting chain; 207. a support plate; 208. connecting columns; 209. a transmission guide wheel; 210. a material conveying belt; 211. a side plate; 212. a sealing plate; 213. a limiting plate; 214. a limiting column; 301. an air supply fan; 302. a cavity; 303. a refrigeration pipe; 401. a carrier plate; 402. a guide wheel; 403. a guiding and conveying groove; 404. a limiting rod; 501. a feeding table; 502. a folding frame; 503. an adjusting cylinder; 504. a bottom pillar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, in an embodiment of the present invention, a method for controlling partial freezing of a cold-chain material flow includes the following steps:
the method comprises the following steps: the goods to be transported are accommodated through the cold chain cabinet 101, the position of the interlayer plate 201 is adjusted through the lifting mechanism, the refrigerating space in the cold chain cabinet 101 is divided into different interlayers, and the size of the interlayer is adjusted according to the volume and the mass of the goods to be transported, so that the logistics transportation efficiency is maximum;
step two: the cold chain cabinet 101 is refrigerated through the refrigerating mechanism, air is supplied to different interlayers through the air supply fan 301, the temperature of the different interlayers is different by setting the rotating speed of the air supply fan 301, different temperature regions are formed, and different types of articles can be conveniently and correspondingly processed, so that the energy utilization efficiency is improved;
step three: the articles to be conveyed are conveyed to the proper interlayer by the aid of the feeding mechanism; transporting the article to be transported to a suitable location by a transfer mechanism;
step four: the articles to be conveyed are limited and fixed through the limiting mechanism, so that proper space is kept among the articles to be conveyed, the air supply and refrigeration efficiency is improved, and the stability of the logistics conveying process is improved;
step five: the temperature of each temperature zone is monitored in real time through the infrared temperature sensor 102, and the temperature of each temperature zone is adjusted in real time by adjusting the rotating speed of the air supply fan 301.
The lifting mechanism comprises a belt pulley box 202, the top of the belt pulley box 202 is fixedly connected with the top of the inner wall of the cold chain cabinet 101, a lifting motor is fixedly installed in the middle of the inner wall of the belt pulley box 202, the output end of the lifting motor is fixedly connected with a driving gear 203, one end of the driving gear 203 is meshed with a driven gear 204, material rollers 205 are fixedly connected to one side of the driving gear 203 and one side of the driven gear 204, and lifting chains 206 are fixedly connected to the middles of the two material rollers 205; the two ends of the middle part of the top surface of the interlayer plate 201 are fixedly connected with supporting plates 207, the two ends of one side of each of the two supporting plates 207 are fixedly connected with the two ends of the two connecting columns 208 respectively, the two ends of the inner wall of the belt wheel box 202 are rotatably provided with transmission guide wheels 209, the two ends of the bottom of the inner wall of the belt wheel box 202 are provided with through grooves, one ends of the two lifting chains 206 penetrate through the two through grooves respectively and are fixedly connected with the middle parts of the two connecting columns 208, and the middle parts of the two lifting chains 206 are slidably connected with the middle parts of the two transmission guide wheels 209 respectively; the driving gear 203 is arranged to drive the driven gear 204 to rotate, so that the lifting chains 206 on the two sides can move simultaneously, the stability of the interlayer plate 201 during lifting movement is ensured, the operation of a lifting motor can be adjusted according to the volume and the quality of an article to be conveyed, the size of an interlayer is adjusted, and the overall use flexibility and the conveying efficiency of cold chain logistics are improved;
a cavity 302 is formed in the cabinet body of the cold chain cabinet 101, the refrigerating mechanism comprises two refrigerating pipes 303, one sides of the two refrigerating pipes 303 are fixedly connected with two sides of the inner wall of the cavity 302 respectively, one ends of the two refrigerating pipes 303 are fixedly connected with the output end of the refrigerating assembly, a plurality of uniformly distributed air supply fans 301 are fixedly mounted at two ends of two sides of the inner wall of the cold chain cabinet 101, and one sides of the air supply fans 301 are communicated with the interior of the cavity 302; above-mentioned refrigeration subassembly adopts prior art means to implement, through refrigeration subassembly work, cools down the refrigeration to refrigeration pipe 303, and supply-air fan 301 starts to supply air to different interlayers, judges the temperature of different interlayers through observing infrared temperature sensor 102 to make the temperature of different interlayers produce the difference through the rotational speed of adjustment supply-air fan 301, deposit the article of temperature demand to the difference and correspond the processing, in order to improve energy utilization efficiency.
The transfer mechanism comprises a first transfer unit, the first transfer unit comprises a bearing plate 401, the top of the bearing plate 401 is provided with a plurality of uniformly distributed guide grooves 403, the interior of each guide groove 403 is connected with a guide wheel 402 in an inserting manner, one side of each guide wheel 402 is fixedly connected with the output end of each guide motor, and the top of each guide wheel 402 protrudes out of the top surface of the bearing plate 401; the limiting mechanism comprises a plurality of limiting grooves arranged in the gap positions of the guide grooves 403, limiting rods 404 are inserted into the limiting grooves, and the bottom ends of the limiting rods 404 are fixedly connected with the output ends of the limiting cylinders respectively; pressure sensors are arranged at the bottoms of the limiting rods 404, so that after the articles are conveyed to a proper position, the limiting rods 404 right below the articles are not stretched, stable storage of the articles on the bearing plate 401 is guaranteed, the limiting rods 404 are pushed by the limiting cylinders to penetrate out of the limiting grooves, the articles are blocked and limited, and stability of the articles in the logistics transportation process is guaranteed; through setting up the guide wheel 402, carry out the propelling movement when article carry out the material loading and unload the operation and assist, improve the work efficiency that article carry out the material loading and unload the operation.
The transfer mechanism further comprises a second transfer unit, the second transfer unit comprises two material conveying belts 210, one sides of the two material conveying belts 210 are respectively and rotatably connected with one sides of the two supporting plates 207, the other sides of the two material conveying belts 210 are respectively and fixedly connected with one sides of the two side edge plates 211, and the bottoms of the two side edge plates 211 are respectively and fixedly connected with the two sides of the top of the interlayer plate 201; all seted up anti-skidding line on two material conveyer belt 210's the area face, realized passing on automatically the article on the interlayer board 201 through material conveyer belt 210, make things convenient for the material loading and the unloading of article.
The feeding mechanism comprises a feeding platform 501, two sides of the bottom of the feeding platform 501 are respectively rotatably connected with the tops of two folding frames 502, two ends of the bottom of the two folding frames 502 are respectively fixedly connected with output ends of four adjusting cylinders 503, the bottoms of the four adjusting cylinders 503 are respectively fixedly connected with the bottom of the inner wall of the cold chain cabinet 101, the middle part of the bottom of the feeding platform 501 is also fixedly connected with a bottom column 504, the length of the bottom column 504 meets the condition that the top surface of the feeding platform 501 is flush with the top surface of the bearing plate 401 when the bottom of the limiting column 214 is contacted with the bottom of the cold chain cabinet 101, by arranging the feeding mechanism, the objects to be conveyed which do not need to be frozen and stored at a lower temperature can be conveniently conveyed to the upper part of the interlayer plate 201, by starting the adjusting cylinder 503, the adjusting cylinder 503 drives the feeding table 501 to ascend by pushing the bottom end of the folding frame 502, so that the article to be conveyed is lifted to the height of the material conveying belt 210, and the article is convenient to move and unload.
The two sides of the bottom of the interlayer plate 201 are fixedly connected with sealing plates 212, one side of each of the two sealing plates 212 is fixedly connected with a plurality of uniformly distributed limiting plates 213, the middle parts of the two sides of the inner wall of the cold chain cabinet 101 are provided with a plurality of uniformly distributed limiting grooves, the inner walls of the plurality of limiting grooves are respectively connected with one ends of the plurality of limiting plates 213 in a sliding manner, and the stability of the interlayer plate 201 in the lifting motion process is improved through the matching motion of the limiting grooves and the limiting plates 213; by arranging the sealing plate 212, the sealing performance of the interlayer plate 201 is improved, and effective distinguishing between different temperature areas is realized.
One end of the top of the inner wall of the cold chain cabinet 101 is hinged with a heat insulation plate 103, the middle part of the heat insulation plate 103 is provided with a plurality of ventilation windows which are uniformly distributed, and the inner walls of the plurality of ventilation windows are fixedly provided with electric shutters 104; the top of one end of the cold chain cabinet 101 is hinged with a cold cabinet door 105, two ends of one side of the cold cabinet door 105 are both provided with vents, the inner wall of each vent is fixedly connected with a filter screen 106, two ends of one side of the heat insulation plate 103 are both fixedly provided with a temperature and humidity sensor 107, and two sides of the top of the cold chain cabinet 101 and two sides of the bottom of the interlayer plate 201 are both fixedly provided with infrared temperature sensors 102; temperature and humidity of outside air are known through observing temperature and humidity sensor 107, when the inside temperature and humidity adjustment of cold chain cabinet 101 needs to be carried out, electric shutter 104 can be opened for outside air passes heat insulating board 103 by the ventilation window, realizes the inside and outside gas exchange of cold chain cabinet 101, makes the air temperature and the humidity of article place district temperature district more be favorable to article to preserve.
Spacing hole of a plurality of interval distribution is seted up at the center at interlayer board 201 top, the spacing post 214 of a plurality of central fixedly connected with of pulley case 202 bottom, the bottom of the spacing post 214 of a plurality of respectively with the inner wall sliding connection in the spacing hole of a plurality of, improve the transport stability of interlayer board 201 at the lift in-process.
Equal fixed mounting in both sides of cold chain cabinet 101 one end bottom has connecting plate 108, one side of two connecting plates 108 respectively with the both ends fixed connection of connecting rod 109, feed mechanism still includes stock guide 110, the equal fixedly connected with sliding sleeve 111 of stock guide 110 one end, sliding sleeve 111's inner wall and the middle part sliding connection of connecting rod 109, the one end fixedly connected with joint board 112 at stock guide 110 top, the draw-in groove has been seted up at the middle part of freezer door 105 one side, one side of joint board 112 corresponds the setting with the inside of draw-in groove, when the article quality of depositing too big or have the inconvenient circumstances of removing such as breakable, through can pulling sliding sleeve 111, adjust the position of stock guide 110, through the inclined plane of stock guide 110 formation, carry out the propelling movement to article.
When the device is used, the guide plate 110 is pulled to separate the clamping plate 112 from the clamping groove, the guide plate 110 is placed on the ground to form an inclined plane, the refrigerator door 105 and the heat insulation plate 103 are sequentially opened, the lifting motor is started, the lifting motor rotates to drive the driving gear 203, the driven gear 204 and the two material rollers 205 to rotate, the two material rollers 205 rotate to pull the lifting chain 206 to move, the retraction and pulling of the lifting chain 206 can be stably converted into the lifting movement of the interlayer plate 201 in the vertical direction due to the limiting effect of the transmission guide wheel 209 and the limiting column 214, the operation of the lifting motor can be adjusted according to the volume and the quality of an object to be conveyed by arranging the lifting mechanism, the adjustment of the size of the interlayer is realized, and the use flexibility of the device is improved.
After the size of the interlayer is adjusted, the objects to be refrigerated and stored at a lower temperature in the objects to be conveyed are conveyed to the bearing plate 401, then the conveying motor is started to drive the conveying wheel 402 to rotate to push the objects to be conveyed to the interior of the cold chain cabinet 101, and when the objects move to a proper position, the limiting cylinder located beside the objects is started to push the limiting rod 404 to penetrate out of the limiting groove to block and limit the objects; when there are articles which do not need to be frozen and stored at a lower temperature among the conveyed articles, the articles to be conveyed are placed on the feeding table 501, the adjusting cylinder 503 is started, the adjusting cylinder 503 moves by abutting against the bottom end of the pushing folding frame 502 to drive the feeding table 501 to ascend, the articles to be conveyed are lifted to the height of the material conveying belt 210, then the articles are pushed to the material conveying belt 210 by an operator, then the material conveying belt 210 is started to convey the articles into the cold chain cabinet 101, and in the process of conveying the articles, if the stored articles are too large in mass or have fragile conditions which are inconvenient to move, the sliding sleeve 111 can be pulled, the position of the material guide plate 110 is adjusted, and the articles are pushed and moved through the inclined plane formed by the material guide plate 110.
After all articles are moved, the heat insulation plate 103 and the refrigerator door 105 are sequentially closed, the clamping plate 112 is clamped with the clamping groove, cold chain conveying of the articles is realized through transfer of the cold chain cabinet 101, in the conveying process, the refrigerating assembly works to cool and refrigerate the refrigerating pipe 303, the air supply fan 301 is started to supply air to different interlayers, the temperature of the different interlayers is judged by observing the infrared temperature sensor 102, the temperature of the different interlayers is differentiated by adjusting the rotating speed of the air supply fan 301, so that the articles with different storage temperature requirements are correspondingly processed, and the energy utilization efficiency is improved;
when the cold chain transportation, inside outside air got into cold chain cabinet 101 by the vent, wherein great granule dust and other debris etc. were filtered by filter screen 106, know outside air's temperature and humidity through observing temperature and humidity sensor 107, when the inside temperature humidity adjustment of cold chain cabinet 101 needs to be carried out, electronic shutter 104 can be opened, make outside air pass heat insulating board 103 by the ventilation window, realize the inside and outside gas exchange of cold chain cabinet 101, make the regional air temperature and humidity in article place more be favorable to article to preserve.
"fixedly connected" as described in the present invention means that two parts connected to each other are fixed together, typically by welding, screwing or gluing; "rotationally coupled" means that two components are coupled together and capable of relative motion.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (1)
1. A method for controlling micro-freezing of cold-chain logistics is characterized by comprising the following steps:
the method comprises the following steps: the cold chain cabinet (101) is used for accommodating articles to be conveyed, the position of the interlayer plate (201) is adjusted through the lifting mechanism, the refrigerating space in the cold chain cabinet (101) is divided into different interlayers, and the size of the interlayer is adjusted according to the volume and the mass of the articles to be conveyed, so that the logistics conveying efficiency is maximum;
step two: the cold chain cabinet (101) is refrigerated through the refrigerating mechanism, air is supplied to different interlayers through the air supply fan (301), the temperature of the different interlayers is different by setting the rotating speed of the air supply fan (301), different temperature areas are formed, and different types of articles can be conveniently and correspondingly processed, so that the energy utilization efficiency is improved;
step three: the articles to be conveyed are conveyed to the proper interlayer by the aid of the feeding mechanism; then conveying the articles to be conveyed to a proper position through a transfer mechanism;
step four: the articles to be conveyed are limited and fixed through the limiting mechanism, so that proper space is kept between the articles to be conveyed, the air supply and refrigeration efficiency is improved, and the stability of the logistics conveying process is improved;
step five: the temperature of each temperature zone is monitored in real time through an infrared temperature sensor (102), and the temperature of each temperature zone is adjusted in real time by adjusting the rotating speed of an air supply fan (301);
the lifting mechanism comprises a pulley box (202), the top of the pulley box (202) is fixedly connected with the top of the inner wall of the cold chain cabinet (101), a lifting motor is fixedly installed in the middle of the inner wall of the pulley box (202), a driving gear (203) is fixedly connected with the output end of the lifting motor, one end of the driving gear (203) is meshed with a driven gear (204), material rollers (205) are fixedly connected to one side of the driving gear (203) and one side of the driven gear (204), and lifting chains (206) are fixedly connected to the middles of the two material rollers (205);
the driving gear (203) is arranged to drive the driven gear (204) to rotate, so that the lifting chains (206) on the two sides move simultaneously, the operation of the lifting motor is adjusted according to the volume and the mass of an article to be conveyed, and the size of the interlayer is adjusted;
the two ends of the middle part of the top surface of the interlayer plate (201) are fixedly connected with supporting plates (207), the two ends of one side of each of the two supporting plates (207) are fixedly connected with the two ends of the two connecting columns (208) respectively, the two ends of the inner wall of the pulley box (202) are rotatably provided with transmission guide wheels (209), the two ends of the bottom of the inner wall of the pulley box (202) are provided with through grooves, one ends of the two lifting chains (206) penetrate through the two through grooves respectively and are fixedly connected with the middle parts of the two connecting columns (208) respectively, and the middle parts of the two lifting chains (206) are slidably connected with the middle parts of the two transmission guide wheels (209) respectively;
a cavity (302) is formed in the cabinet body of the cold chain cabinet (101), the refrigerating mechanism comprises two refrigerating pipes (303), one side of each of the two refrigerating pipes (303) is fixedly connected with two sides of the inner wall of the cavity (302), one end of each of the two refrigerating pipes (303) is fixedly connected with the output end of the refrigerating assembly, a plurality of uniformly distributed air supply fans (301) are fixedly mounted at two ends of two sides of the inner wall of the cold chain cabinet (101), one side of each of the air supply fans (301) is communicated with the interior of the cavity (302), and the refrigerating assembly is implemented by adopting the prior art;
the transfer mechanism comprises a first transfer unit, the first transfer unit comprises a bearing plate (401), the top of the bearing plate (401) is provided with a plurality of uniformly distributed guide grooves (403), the guide grooves (403) are internally and uniformly connected with guide wheels (402) in an inserting manner, one sides of the guide wheels (402) are respectively fixedly connected with the output ends of a plurality of guide motors, and the tops of the guide wheels (402) protrude out of the top surface of the bearing plate (401); the limiting mechanism comprises a plurality of limiting grooves arranged in the gap positions of the guide grooves (403), limiting rods (404) are inserted into the limiting grooves, and the bottom ends of the limiting rods (404) are respectively fixedly connected with the output ends of the limiting cylinders;
the transfer mechanism further comprises a second transfer unit, the second transfer unit comprises two material conveying belts (210), one sides of the two material conveying belts (210) are respectively and rotatably connected with one sides of the two supporting plates (207), the other sides of the two material conveying belts (210) are respectively and fixedly connected with one sides of the two side plates (211), and the bottoms of the two side plates (211) are respectively and fixedly connected with the two sides of the top of the interlayer plate (201); the belt surfaces of the two material conveying belts (210) are both provided with anti-skid grains;
the feeding mechanism comprises a feeding table (501), two sides of the bottom of the feeding table (501) are respectively rotatably connected with the tops of two folding frames (502), two ends of the bottoms of the two folding frames (502) are respectively fixedly connected with output ends of four adjusting cylinders (503), the bottoms of the four adjusting cylinders (503) are respectively fixedly connected with the bottom of the inner wall of the cold chain cabinet (101), and the middle part of the bottom of the feeding table (501) is also fixedly connected with a bottom column (504);
sealing plates (212) are fixedly connected to two sides of the bottom of the interlayer plate (201), a plurality of limiting plates (213) which are uniformly distributed are fixedly connected to one side of each of the two sealing plates (212), a plurality of limiting grooves which are uniformly distributed are formed in the middle of two sides of the inner wall of the cold chain cabinet (101), and the inner walls of the limiting grooves are respectively connected with one ends of the limiting plates (213) in a sliding mode;
one end of the top of the inner wall of the cold chain cabinet (101) is hinged with a heat insulation plate (103), the middle part of the heat insulation plate (103) is provided with a plurality of ventilation windows which are uniformly distributed, and the inner walls of the plurality of ventilation windows are fixedly provided with electric shutters (104); the top of one end of the cold chain cabinet (101) is hinged with a cold cabinet door (105), two ends of one side of the cold cabinet door (105) are respectively provided with a vent, the inner wall of each vent is fixedly connected with a filter screen (106), two ends of one side of the heat insulation plate (103) are respectively and fixedly provided with a temperature and humidity sensor (107), and two sides of the top of the cold chain cabinet (101) and two sides of the bottom of the interlayer plate (201) are respectively and fixedly provided with an infrared temperature sensor (102);
the center of the top of the interlayer plate (201) is provided with a plurality of spacing holes which are distributed at intervals, the center of the bottom of the pulley box (202) is fixedly connected with a plurality of spacing columns (214), and the bottoms of the spacing columns (214) are respectively connected with the inner walls of the spacing holes in a sliding manner;
the equal fixed mounting in both sides of cold chain cabinet (101) one end bottom has connecting plate (108), two one side of connecting plate (108) respectively with the both ends fixed connection of connecting rod (109), feed mechanism still includes stock guide (110), equal fixedly connected with sliding sleeve (111) of stock guide (110) one end, the inner wall of sliding sleeve (111) and the middle part sliding connection of connecting rod (109), the one end fixedly connected with joint board (112) at stock guide (110) top, the draw-in groove has been seted up at the middle part of refrigerator door (105) one side, one side of joint board (112) corresponds the setting with the inside of draw-in groove.
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