CN116873270A - Controlled atmosphere fresh-keeping packaging machine for onions - Google Patents
Controlled atmosphere fresh-keeping packaging machine for onions Download PDFInfo
- Publication number
- CN116873270A CN116873270A CN202310930513.1A CN202310930513A CN116873270A CN 116873270 A CN116873270 A CN 116873270A CN 202310930513 A CN202310930513 A CN 202310930513A CN 116873270 A CN116873270 A CN 116873270A
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- Prior art keywords
- groove
- packaging
- film
- machine body
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 166
- 241000234282 Allium Species 0.000 title claims abstract description 113
- 235000002732 Allium cepa var. cepa Nutrition 0.000 title claims abstract description 112
- 238000004320 controlled atmosphere Methods 0.000 title description 7
- 238000007789 sealing Methods 0.000 claims abstract description 123
- 238000009423 ventilation Methods 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims description 76
- 238000012856 packing Methods 0.000 claims description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 239000010720 hydraulic oil Substances 0.000 claims description 13
- 239000000741 silica gel Substances 0.000 claims description 13
- 229910002027 silica gel Inorganic materials 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 12
- 239000004964 aerogel Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000009448 modified atmosphere packaging Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000009470 controlled atmosphere packaging Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 1
- 238000004378 air conditioning Methods 0.000 abstract description 28
- 230000001143 conditioned effect Effects 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000003755 preservative agent Substances 0.000 description 4
- 230000002335 preservative effect Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 150000008442 polyphenolic compounds Chemical class 0.000 description 2
- 235000013824 polyphenols Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- LXNHXLLTXMVWPM-UHFFFAOYSA-N pyridoxine Chemical compound CC1=NC=C(CO)C(CO)=C1O LXNHXLLTXMVWPM-UHFFFAOYSA-N 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229930003268 Vitamin C Natural products 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- -1 potassium and zinc) Chemical compound 0.000 description 1
- RADKZDMFGJYCBB-UHFFFAOYSA-N pyridoxal hydrochloride Natural products CC1=NC=C(CO)C(C=O)=C1O RADKZDMFGJYCBB-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 235000019158 vitamin B6 Nutrition 0.000 description 1
- 239000011726 vitamin B6 Substances 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- 229940011671 vitamin b6 Drugs 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/02—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
- B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
- B65B61/10—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting using heated wires or cutters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Package Closures (AREA)
Abstract
The invention relates to the technical field of packaging machines, in particular to an air-conditioning fresh-keeping packaging machine for onions; comprises a machine body, a ventilation sheet at one side of the machine body and a conveyer belt at two sides of the machine body; conveying belts are fixedly arranged on two sides of the machine body; the conveying belt is used for conveying onions to the machine body; according to the onion packaging bag, the drive motor can drive the film sealing plate to drive the two films to wrap the onion through the screw rod through the cooperation between the screw rod and the film sealing plate, then the film wrapping the onion is subjected to air conditioning, and finally the air conditioned film is heat-sealed into the packaging bag through the heat sealing knife; the onion is not required to be bagged by a worker; the onion packaging device has the advantages that the onion packaging device can prevent the onion packaged by the staff from being subjected to air-conditioning packaging, the problem that the clamping device clamps hands of the staff are avoided, the working safety of the staff is guaranteed, the labor intensity of the staff is reduced, the air-conditioning packaging speed of the onion is greatly improved, and the practicability of the onion packaging device is improved.
Description
Technical Field
The invention relates to the technical field of packaging machines, in particular to an air-conditioning fresh-keeping packaging machine for onions.
Background
Onion is a biennial herb of the genus allium of the family lycoridae; onion contains a variety of nutrients including vitamin C, vitamin B6, cellulose, antioxidants, minerals (e.g., potassium and zinc), sulfides and polyphenols; these nutrients are beneficial to the health and immune system functions of the body; moreover, sulfides and polyphenols can reduce cardiovascular risks; onion is also a common seasoning, and plays a role in improving flavor in cooking; therefore, onion is a plant widely favored in daily food for people;
the onion storage methods are more, and the most common methods include stacking, hanging, refrigerating, modified atmosphere storage, radiation storage and the like; the controlled atmosphere storage is to pack and store the onions by an controlled atmosphere fresh-keeping packing machine, and the principle is to inhibit metabolism of the onions and growth of microorganisms by adjusting oxygen concentration and carbon dioxide concentration in a storage environment so as to slow down the spoilage speed of the onions; the controlled atmosphere storage can effectively prolong the fresh-keeping period of the onions, maintain the quality of the onions, reduce the loss of moisture of the onions, and facilitate the transportation of the onions by adopting controlled atmosphere fresh-keeping; the damage to the onion surface by external force is reduced;
the existing air-conditioning fresh-keeping packaging machine can be divided into a box-packed air-conditioning fresh-keeping packaging machine and a bagged air-conditioning fresh-keeping packaging machine in a mounting packaging mode; the packaging bag used by the bag-packed air-conditioning fresh-keeping packaging machine is less in packaging material and lower in packaging cost compared with a packaging box, and the packaging bag is thin and soft; the shape of the onion can be better fit when the onion is packaged; not only reduces the usage amount of the packaging material; the packaged onion occupies smaller space and is convenient to store and transport; and the onion packed by the packing bag is more convenient to open than the onion packed by the packing box;
when the existing bagged air-conditioning fresh-keeping packaging machine is used for packaging onions, workers are required to put the onions into the packaging bags firstly, then the workers hold the packaging bags with the onions packaged therein to clamping equipment of the bagged air-conditioning fresh-keeping packaging machine, so that the clamping equipment clamps and packages the mouths of the packaging bags, on one hand, the problem of clamping of the clamping equipment is easy to occur, on the other hand, the workers need to bag the onions, and on the other hand, the bagged onions need to be subjected to air-conditioning packaging, so that the labor intensity of the workers is increased, and the air-conditioning packaging speed of the onions is reduced;
in view of the above, the present invention provides an air-conditioning fresh-keeping packaging machine for onions, which solves the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides an onion air-conditioning fresh-keeping packaging machine, wherein a driving motor can drive two films to wrap onion through a screw rod driving film sealing plate through the cooperation between the screw rod and the film sealing plate, then air-conditioning is carried out on the film wrapping onion, and finally the air-conditioned film is heat-sealed into a packaging bag through a heat sealing knife; the onion is not required to be bagged by a worker; the onion packaging device has the advantages that the onion packaging device can prevent the onion packaged by the staff from being subjected to air-conditioning packaging, the problem that the clamping device clamps hands of the staff are avoided, the working safety of the staff is guaranteed, the labor intensity of the staff is reduced, the air-conditioning packaging speed of the onion is greatly improved, and the practicability of the onion packaging device is improved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to an onion controlled atmosphere fresh-keeping packaging machine, which comprises:
a ventilation sheet on one side of the machine body and a conveyer belt on two sides of the machine body;
the conveyor belt is fixedly arranged on two sides of the machine body; the conveying belt is used for conveying onions to the machine body;
the air exchanging piece is positioned between the two conveying belts; the ventilation sheet is fixedly connected with the machine body through a pneumatic push rod; two air holes are formed in the ventilation sheet; one of the air holes is communicated with an external vacuum pump, and the other air hole is communicated with an air source system;
further comprises:
a screw; the screw is rotationally connected with the machine body; the two ends of the screw rod are connected with a film sealing plate in a spiral transmission manner; threads at two ends of the screw rod are oppositely arranged; a driving motor is fixedly arranged at the upper end of the machine body; the output end of the driving motor is fixedly connected with the screw rod;
a packaging roller; the packaging roller is rotationally connected to one surface of the two film sealing plates, which is close to each other; a film cylinder is wound on the packaging roller; a heat sealing knife is arranged on one surface of the two film sealing plates, which is close to each other; a protection unit is arranged between the heat sealing knife and the film; the protection unit is arranged on the film sealing plate; the protection unit is used for isolating the heat sealing knife from being contacted with the film;
a driving module; the driving module is arranged on the packaging roller; the driving module is used for driving the packaging roller to rotate;
a blocking module; the blocking module is arranged on one side of the machine body, which is close to the film sealing plate; the blocking module is used for blocking onions on the film sealing plate.
Preferably, the protection unit includes a heat insulation board; a heat insulation groove is formed in one surface, close to each other, of the two film sealing plates; the heat insulation plate is connected in the heat insulation groove in a sliding way; the heat insulation plate is fixedly connected with the bottom of the heat insulation groove through a connecting spring; an aerogel layer is arranged on one surface of the heat insulation plate, which is close to the film sealing plate; and a rubber pad is fixedly connected to the upper end of the heat insulation plate.
Preferably, the heat insulation plates are distributed on two sides of the heat sealing knife; a baffle is arranged above the heat sealing knife; an aerogel layer is arranged on the upper end surface of the baffle; the baffle is rotationally connected to the upper end of the heat insulation plate through a torsion spring; one surface of the baffle plate, which is close to the heat sealing knife, is fixedly connected with a silica gel elastic rope; one end of the silica gel elastic rope, which is far away from the baffle, bypasses the lower end face of the heat insulation plate and is fixedly connected with the groove wall of the heat insulation groove.
Preferably, the driving module comprises a gear and a rack; the two sides of the machine body are provided with sliding grooves; the rack is fixedly connected to the bottom of the chute through a pushing spring; a pushing unit is arranged in the chute; the pushing unit is used for pushing the gear to be meshed with the rack; the gear is fixedly connected with a packaging roller at one side of the machine body; the two packaging rollers arranged on the same film sealing plate are connected through belt transmission.
Preferably, the pushing unit includes a pushing rod; a groove is formed in the bottom of the sliding groove; the pushing rod is connected in the groove in a sliding and sealing manner; the upper end of the machine body is provided with a hydraulic groove communicated with the groove; the hydraulic groove is filled with hydraulic oil; a compression bar is arranged in the hydraulic groove; the compression bar is connected with the driving motor through belt transmission.
Preferably, a spiral groove and an annular groove are formed in the hydraulic groove; the spiral groove is communicated with the annular groove; the surface of the compression bar is fixedly connected with a bulge; the compression bar is spirally driven in the spiral groove through the protrusions on the surface.
Preferably, fixed rollers are arranged at two ends of the packaging roller; the fixed roller is rotationally connected with the film sealing plate; a rectangular groove is formed in one end, away from the film sealing plate, of the fixed roller; a rectangular rod is connected in the rectangular groove in a sliding manner; clamping grooves matched with the rectangular rods are formed in two ends of the packaging roller; the rectangular rod is fixedly connected with the bottom of the rectangular groove through a fixed spring; and the bottom of the rectangular groove is embedded with an electromagnetic sheet.
Preferably, a clamping unit is arranged on the packaging roller connected with the gear; the clamping unit comprises an arc clamping plate; the clamping plates are rotationally connected with the packaging rollers through torsion springs.
The beneficial effects of the invention are as follows:
1. according to the onion packaging bag, the drive motor can drive the film sealing plate to drive the two films to wrap the onion through the screw rod through the cooperation between the screw rod and the film sealing plate, then the film wrapping the onion is subjected to air conditioning, and finally the air conditioned film is heat-sealed into the packaging bag through the heat sealing knife; the onion is not required to be bagged by a worker; the onion packaging device has the advantages that the onion packaging device can prevent the onion packaged by the staff from being subjected to air-conditioning packaging, the problem that the clamping device clamps hands of the staff are avoided, the working safety of the staff is guaranteed, the labor intensity of the staff is reduced, the air-conditioning packaging speed of the onion is greatly improved, and the practicability of the onion packaging device is improved.
2. According to the invention, through the arrangement of the aerogel layer, the aerogel layer can improve the heat insulation property of the heat insulation plate; the heat insulation plate can insulate heat of the heat sealing knife from radiating outwards; in the same way, the baffle plate is matched with the heat insulation plate, so that the heat sealing knife is prevented from being contacted with the film, the heat of the heat sealing knife is prevented from being transferred to the film, and the film is prevented from being heated and melted before being wrapped by the onion; ensure that the film can effectively wrap the onion.
Drawings
The invention will be further described with reference to the drawings and embodiments.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of a plunger used in the present invention;
fig. 5 is an enlarged view at B in fig. 4;
FIG. 6 is an enlarged view at C in FIG. 4;
FIG. 7 is a perspective view of a wrapping roller used in the present invention;
in the figure: 1. a body; 11. a ventilation sheet; 12. a conveyor belt; 13. a screw; 14. a driving motor; 15. a hydraulic tank; 151. a spiral groove; 152. an annular groove; 16. a compression bar; 161. a protrusion; 2. film sealing plates; 21. a packaging roller; 211. a fixed roller; 212. rectangular grooves; 213. a rectangular bar; 214. a clamping groove; 215. a fixed spring; 216. an electro-magnetic sheet; 217. an arc clamping plate; 22. a heat sealing knife; 23. a heat insulating plate; 231. a heat insulation tank; 232. a connecting spring; 233. an aerogel layer; 234. a rubber pad; 235. a baffle; 236. a silica gel elastic rope; 24. a gear; 25. a rack; 26. a chute; 261. a pushing spring; 262. a push rod; 263. a groove.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 7, the modified atmosphere packaging machine for onion according to the present invention comprises:
a machine body 1, a ventilation sheet 11 on one side of the machine body 1 and a conveyor belt 12 on two sides of the machine body 1;
the machine body 1, the conveyer belt 12 that the said body 1 both sides fixedly install; the conveying belt 12 is used for conveying onions to the machine body 1;
a ventilation flap 11, said ventilation flap 11 being located between two conveyor belts 12; the ventilation sheet 11 is fixedly connected with the machine body 1 through a pneumatic push rod; two air holes are formed in the ventilation sheet 11; one of the air holes is communicated with an external vacuum pump, and the other air hole is communicated with an air source system;
further comprises:
a screw 13; the screw 13 is rotatably connected with the machine body 1; the two ends of the screw 13 are connected with the film sealing plate 2 in a spiral transmission manner; threads at two ends of the screw 13 are oppositely arranged; a driving motor 14 is fixedly arranged at the upper end of the machine body 1; the output end of the driving motor 14 is fixedly connected with the screw 13;
a packaging roller 21; the packaging roller 21 is rotatably connected to one surface of the two film sealing plates 2, which are close to each other; a film tube is wound on the packaging roller 21; a heat sealing knife 22 is arranged on one surface of the two film sealing plates 2, which are close to each other; a protection unit is arranged between the heat sealing knife 22 and the film; the protection unit is arranged on the film sealing plate 2; the protection unit is used for isolating the heat sealing knife 22 from being contacted with the film;
a driving module; the drive module is mounted on the packing roller 21; the driving module is used for driving the packaging roller 21 to rotate;
a blocking module; the blocking module is arranged on one side of the machine body 1, which is close to the film sealing plate 2; the blocking module is used for blocking the onions on the film sealing plate 2.
As an embodiment of the present invention, the shielding unit includes a heat shielding plate 23; a heat insulation groove 231 is formed in one surface, close to each other, of the two film sealing plates 2; the heat insulation plate 23 is slidingly connected in the heat insulation groove 231; the heat insulation plate 23 is fixedly connected with the bottom of the heat insulation groove 231 through a connecting spring 232; an aerogel layer 233 is arranged on one surface of the heat insulation plate 23 close to the film sealing plate 2; a rubber pad 234 is fixedly connected to the upper end of the heat insulating plate 23.
As an embodiment of the present invention, the heat insulation plates 23 are distributed at both sides of the heat sealing knife 22; a baffle 235 is arranged above the heat sealing knife 22; an aerogel layer 233 is arranged on the upper end surface of the baffle 235; the baffle 235 is rotatably connected to the upper end of the heat insulation plate 23 through a torsion spring; a silica gel elastic rope 236 is fixedly connected to one surface of the baffle 235, which is close to the heat sealing knife 22; one end of the silica gel elastic rope 236 far away from the baffle 235 bypasses the lower end face of the heat insulation plate 23 and is fixedly connected with the groove wall of the heat insulation groove 231;
when the existing bagged air-conditioning fresh-keeping packaging machine is used for packaging onions, workers are required to put the onions into the packaging bags firstly, then the workers hold the packaging bags with the onions packaged therein to clamping equipment of the bagged air-conditioning fresh-keeping packaging machine, so that the clamping equipment clamps and packages the mouths of the packaging bags, on one hand, the problem of clamping of the clamping equipment is easy to occur, on the other hand, the workers need to bag the onions, and on the other hand, the bagged onions need to be subjected to air-conditioning packaging, so that the labor intensity of the workers is increased, and the air-conditioning packaging speed of the onions is reduced;
in the initial state, the packaging roller 21 is sleeved with a film cylinder; a worker pulls one end of the film on the film cylinder to pass through the film sealing plate 2 and to the packaging roller 21 on the other side of the machine body 1, and uses a tool to fix the film on the packaging roller 21, and the film is positioned above the film sealing plate 2 under the support of the heat insulating plate 23; when the controlled atmosphere packaging machine operates, a worker places the onions to be packaged on the conveying belt 12, so that the conveying belt 12 conveys the onions to the machine body 1, the onions fall onto the film from the conveying belt 12, the thickness of the preservative film for the onions is set to be 0.5-1mm, and the preservative film for the onions has enough strength and tear resistance; when the onion falls on the film due to the closing state of the driving module, the film can enter a packaging groove surrounded by the heat insulation plate 23 and the film sealing plate 2 under the pushing of the onion gravity, so that the film cylinder can be pulled by the film to rotate, the length of the film supported by the heat insulation plate 23 is increased, at the moment, the onion is positioned in the packaging groove surrounded by the heat insulation plate 23 and the film sealing plate 2, at the moment, the driving motor 14 is controlled to operate, the driving motor 14 drives the screw 13 to rotate, the screw 13 can drive the film sealing plates 2 at the two ends to approach each other, the two film sealing plates 2 drive the heat insulation plate 23 to approach each other, at the moment, the pneumatic pushing rod 262 is controlled to push the ventilation sheet 11 to approach the film sealing plates 2, the ventilation sheet 11 is positioned between the two film sealing plates 2 until the heat insulation plates 23 are abutted against each other, so that the film supported by the heat insulation plate 23 is tightly pressed, and the rubber pad 234 is fixedly connected to the upper end of the heat insulation plate 23, so that the rubber pad 234 can be tightly pressed and deformed under the action of elastic restoring force of the rubber pad 234; on the other hand, the deformed rubber pad 234 can squeeze the films to wrap the surfaces of the air exchange sheets 11, so that the films can be tightly attached while the air exchange sheets 11 are effectively sealed; the aerogel layer 233 is provided to provide the insulation panel 23 with insulation properties; so that the heat insulating plate 23 can insulate the heat of the heat sealing knife 22 from being radiated outwards; the cooperation of the baffle 235 and the heat insulation plate 23 prevents the heat sealing knife 22 from contacting the film, and also prevents the heat of the heat sealing knife 22 from being transferred to the film, so that the film is prevented from being heated and melted before being wrapped by the onion; after the two films are abutted against each other, an external vacuum pump is controlled to run, so that the vacuum pump pumps air between the two films through air holes communicated with the air exchanging piece 11, the two films wrap onions, an external air source system is controlled to convey nitrogen between the two films, the films are inflated with the nitrogen, the nitrogen wraps the onions in the films, after inflation is completed, the air passage push rod pulls the air exchanging piece 11 to extend out between the two films, and at the moment, the films at the air exchanging piece 11 are not blocked by the air exchanging piece 11 any more and are extruded by the rubber pad 234 to be mutually abutted against each other; then the driving motor 14 is controlled to run, so that the driving motor 14 drives the screw 13 to continue to rotate, the two film sealing plates 2 are enabled to continue to approach, the two film sealing plates 2 drive the heat insulation plates 23 to abut against each other, the two heat insulation plates 23 can squeeze the connecting springs 232 connected with the two heat insulation plates into the heat insulation grooves 231, the heat insulation plates 23 are contacted with the silica gel elastic ropes 236, the heat insulation plates 23 can push the silica gel elastic ropes 236 to pull the baffle 235 to rotate downwards against the torsion force of the torsion springs until the baffle 235 is contacted with the heat insulation plates 23, the heat sealing knife 22 is moved to the baffle 235, the baffle 235 is not blocked any more at the moment, the heat sealing knife 22 is enabled to stretch the silica gel elastic ropes 236 to deform as the heat insulation plates 23 continue to descend, the heat sealing knife 22 ascends relative to the baffle 235 and passes over the heat insulation plates 23, the heat sealing knife 22 is contacted with the films, the heat sealing knife 22 heats the films, the two films are heated and melted and bonded to realize heat sealing to form packaging bags, at the moment, the middle of the film on the film cylinder is heat-cut Cheng Kongdong, after the film heat sealing is finished, the driving motor 14 is controlled to reversely rotate, the driving module is controlled to operate, the driving module drives the packaging roller 21 to rotate, the packaging roller 21 pulls the film with holes to be wound on the packaging roller 21, the packaging bag with the holes is pushed to roll towards the driving module by the wall of the holes by the film with holes until the packaging bag with the holes is packaged, the packaging bag with the holes is placed at the packaging roller 21, and the packaging bag with the holes falls onto the conveyor belt 12 along the packaging roller 21 from the machine body 1, so that the conveyor belt 12 conveys the packaging bag with the holes away from the machine body 1;
according to the onion packaging bag, through the cooperation between the screw 13 and the film sealing plate 2, the driving motor 14 can drive the film sealing plate 2 through the screw 13 to drive the two films to wrap the onion, then the film wrapping the onion is subjected to air conditioning, and finally the air conditioned film is heat-sealed into the packaging bag through the heat sealing knife 22; the onion is not required to be bagged by a worker; the onion packaging device has the advantages that the onion packaging device can prevent the onion packaged by the staff from being subjected to air-conditioning packaging, the problem that the clamping device clamps hands of the staff are avoided, the working safety of the staff is guaranteed, the labor intensity of the staff is reduced, the air-conditioning packaging speed of the onion is greatly improved, and the practicability of the onion packaging device is improved.
As an embodiment of the present invention, the driving module includes a gear 24 and a rack 25; the two sides of the machine body 1 are provided with sliding grooves 26; the rack 25 is fixedly connected to the bottom of the chute 26 through a pushing spring 261; a pushing unit is arranged in the chute 26; the pushing unit is used for pushing the gear 24 to be meshed with the rack 25; the gear 24 is fixedly connected with the packaging roller 21 at one side of the machine body 1; the two packing rollers 21 mounted on the same film sealing plate 2 are connected through belt transmission.
As an embodiment of the present invention, the pushing unit includes a pushing rod 262; a groove 263 is formed at the bottom of the chute 26; the pushing rod 262 is connected in the groove 263 in a sliding and sealing way; the upper end of the machine body 1 is provided with a hydraulic groove 15 communicated with the groove 263; the hydraulic tank 15 is filled with hydraulic oil; a compression bar 16 is arranged in the hydraulic groove 15; the compression bar 16 is connected with the driving motor 14 through a belt transmission.
As an embodiment of the present invention, the hydraulic groove 15 is provided with a spiral groove 151 and an annular groove 152; the spiral groove 151 and the annular groove 152 are communicated; the surface of the compression bar 16 is fixedly connected with a protrusion 161; the compression bar 16 is spirally driven in the spiral groove 151 through the protrusions 161 on the surface;
in operation, in an initial state, the pressing rod 16 drives the protrusion 161 to be positioned on the annular groove 152 above the spiral groove 151; when the driving motor 14 drives the screw 13 to reversely rotate, the screw 13 drives the two film sealing plates 2 to be far away from each other, at this time, the driving motor 14 drives the pressing rod 16 to rotate in a belt transmission mode, so that the pressing rod 16 can drive the protrusion 161 to enter the spiral groove 151 from the annular groove 152, the protrusion 161 can rotate downwards along the spiral groove 151, the pressing rod 16 continuously enters the hydraulic groove 15, the pressing rod 16 can squeeze hydraulic oil in the hydraulic groove 15 to flow into the groove 263, the pressure of the hydraulic oil in the groove 263 is increased, the hydraulic oil in the groove 263 can push the pushing rod 262 to continuously extend out of the groove 263, the pushing rod 262 pushes the rack 25 in the sliding groove 26 to be far away from the sliding groove 26, and the rack 25 pulls the pushing spring 261 to extend out of the sliding groove 26; so that the rack 25 is constantly adjacent to the gear 24; when the protrusion 161 on the driving surface of the pressing rod 16 enters the annular groove 152 below from the spiral groove 151, at this time, the pressing rod 16 is driven by the driving motor 14 to drive the protrusion 161 to rotate in the annular groove 152, at this time, hydraulic oil in the groove 263 pushes the pushing rod 262 to extend maximally, at this time, the pushing rod 262 pushes the rack 25 to extend out of the sliding groove 26 and engage with the gear 24, at this time, as the driving motor 14 drives the two film sealing plates 2 to move away from each other through the screw 13, the film sealing plates 2 drive the gear 24 to synchronously move downwards through the packaging roller 21, the gear 24 rolls downwards along the rack 25, the gear 24 drives the packaging roller 21 to rotate, and a film tube is sleeved on the other packaging roller 21 without the gear 24, so when the packaging roller 21 with the gear 24 is installed to rotate, the packaging roller 21 with the gear 24 can drive the packaging roller 21 connected with the belt thereof to synchronously rotate, the film release on the film cylinder can be accelerated in the process of rotating the film cylinder, the film with holes is accelerated to be wound on the packaging roller 21 provided with the gear 24, the pulling force of the packaging roller 21 on the film with holes is reduced, the breakage of the film with holes is avoided, the whole film can be paved on the film sealing plate 2, similarly, when the driving motor 14 drives the film sealing plate 2 at two ends of the screw 13 to approach each other, the driving motor 14 drives the pressing rod 16 to enter the spiral groove 151 from the annular groove 152 below the spiral groove 151, then enter the annular groove 152 above the spiral groove 151 from the spiral groove 151, the space in the hydraulic groove 15 is increased, the hydraulic oil pressure in the groove 263 is released, at the moment, the pushing rod 262 no longer generates pushing force on the rack 25, the rack 25 enters the sliding groove 26 and pushes the groove 263 in the machine of the pushing rod 262 under the pulling of the restoring force of the pushing spring 261, the rack 25 is separated from the gear 24, so that the films with holes cut on the packaging roller 21 are prevented from being released, the films with holes cut on the packaging roller 21 can be effectively wound, and the practical application effect of the packaging roller is effectively improved.
As an embodiment of the present invention, the fixing rollers 211 are installed at both ends of the packing roller 21; the fixed roller 211 is rotationally connected with the film sealing plate 2; a rectangular groove 212 is formed in one end, away from the film sealing plate 2, of the fixed roller 211; a rectangular rod 213 is slidably connected in the rectangular groove 212; clamping grooves 214 matched with the rectangular rods 213 are formed in the two ends of the packaging roller 21; the rectangular rod 213 is fixedly connected with the bottom of the rectangular groove 212 through a fixed spring 215; electromagnetic plate 216 is embedded at the bottom of rectangular slot 212.
As an embodiment of the present invention, a clamping unit is mounted on the packing roller 21 connected to the gear 24; the clamping unit comprises an arc-shaped clamping plate 217; the clamping plate is rotationally connected with the packaging roller 21 through a torsion spring;
when the film on the film cylinder is used, a user needs to stop the machine and control the electrifying of the electromagnetic sheet 216 at the moment, so that the electromagnet generates adsorption force on the rectangular rod 213, and the rectangular rods 213 at the two ends of the packaging roller 21 extend out of the clamping grooves 214 at the two ends of the packaging roller 21 under the adsorption of the electromagnet; the rectangular rod 213 can squeeze the fixing spring 215 into the rectangular groove 212 where the rectangular rod 213 is located, the rectangular rod 213 does not support the packing roller 21 through the groove wall of the clamping groove 214, the packing roller 21 falls off from between the two fixing rollers 211 under the action of self gravity, at the moment, a user removes the packing roller 21 which is about to fall off, removes a film cylinder with a used film on the packing roller 21 and replaces the film cylinder with a new film, the packing roller 21 with the new film cylinder is replaced between the two fixing rollers 211, the electromagnetic sheet 216 is controlled to be powered off, the rectangular rod 213 stretches out of the rectangular groove 212 and enters the clamping groove 214 under the pushing of the restoring force of the fixing spring 215, the rectangular rod 213 supports the packing roller 21 through the inner wall of the clamping groove 214, the packing roller 21 which is installed with the gear 24 is removed, the packing roller 21 which is wound with a broken film is replaced, and the packing roller 21 which is newly installed with the arc-shaped clamping plate 217 is installed between the two fixing rollers 211 which are connected with the gear 24; then, one end of the film on the film cylinder is pulled to pass through the film sealing plate 2 and go to the packaging roller 21 provided with the arc clamping plate 217, so that the arc clamping plate 217 is turned over, the arc clamping plate 217 is turned away from the packaging roller 21 by overcoming the torsion force of the torsion spring, one end of the film is placed between the arc clamping plate 217 and the packaging roller 21, and then the arc clamping plate 217 is loosened, so that the film is clamped on the surface of the packaging roller 21 by the arc clamping plate 217, and is fixed on the packaging roller 21, and when the packaging roller 21 is guaranteed to rotate, the film can be effectively stretched and wound on the packaging roller 21, and further the film is prevented from being separated from the packaging roller 21, so that the practical application effect of the film packaging roller is effectively improved.
The specific working procedure is as follows:
in the initial state, the packaging roller 21 is sleeved with a film cylinder; a worker pulls one end of the film on the film cylinder to pass through the film sealing plate 2 and to the packaging roller 21 on the other side of the machine body 1, and uses a tool to fix the film on the packaging roller 21, and the film is positioned above the film sealing plate 2 under the support of the heat insulating plate 23; when the controlled atmosphere packaging machine operates, a worker places the onions to be packaged on the conveying belt 12, so that the conveying belt 12 conveys the onions to the machine body 1, the onions fall onto the film from the conveying belt 12, the thickness of the preservative film for the onions is set to be 0.5-1mm, and the preservative film for the onions has enough strength and tear resistance; when the onion falls on the film due to the closing state of the driving module, the film can enter a packaging groove surrounded by the heat insulation plate 23 and the film sealing plate 2 under the pushing of the onion gravity, so that the film cylinder can be pulled by the film to rotate, the length of the film supported by the heat insulation plate 23 is increased, at the moment, the onion is positioned in the packaging groove surrounded by the heat insulation plate 23 and the film sealing plate 2, at the moment, the driving motor 14 is controlled to operate, the driving motor 14 drives the screw 13 to rotate, the screw 13 can drive the film sealing plates 2 at the two ends to approach each other, the two film sealing plates 2 drive the heat insulation plate 23 to approach each other, at the moment, the pneumatic pushing rod 262 is controlled to push the ventilation sheet 11 to approach the film sealing plates 2, the ventilation sheet 11 is positioned between the two film sealing plates 2 until the heat insulation plates 23 are abutted against each other, so that the film supported by the heat insulation plate 23 is tightly pressed, and the rubber pad 234 is fixedly connected to the upper end of the heat insulation plate 23, so that the rubber pad 234 can be tightly pressed and deformed under the action of elastic restoring force of the rubber pad 234; on the other hand, the deformed rubber pad 234 can squeeze the films to wrap the surfaces of the air exchange sheets 11, so that the films can be tightly attached while the air exchange sheets 11 are effectively sealed; the aerogel layer 233 is provided to provide the insulation panel 23 with insulation properties; so that the heat insulating plate 23 can insulate the heat of the heat sealing knife 22 from being radiated outwards; the cooperation of the baffle 235 and the heat insulation plate 23 prevents the heat sealing knife 22 from contacting the film, and also prevents the heat of the heat sealing knife 22 from being transferred to the film, so that the film is prevented from being heated and melted before being wrapped by the onion; after the two films are abutted against each other, an external vacuum pump is controlled to run, so that the vacuum pump pumps air between the two films through air holes communicated with the air exchanging piece 11, the two films wrap onions, an external air source system is controlled to convey nitrogen between the two films, the films are inflated with the nitrogen, the nitrogen wraps the onions in the films, after inflation is completed, the air passage push rod pulls the air exchanging piece 11 to extend out between the two films, and at the moment, the films at the air exchanging piece 11 are not blocked by the air exchanging piece 11 any more and are extruded by the rubber pad 234 to be mutually abutted against each other; then the driving motor 14 is controlled to run, so that the driving motor 14 drives the screw 13 to continue to rotate, the two film sealing plates 2 are enabled to continue to approach, the two film sealing plates 2 drive the heat insulation plates 23 to abut against each other, the two heat insulation plates 23 can squeeze the connecting springs 232 connected with the two heat insulation plates into the heat insulation grooves 231, the heat insulation plates 23 are contacted with the silica gel elastic ropes 236, the heat insulation plates 23 can push the silica gel elastic ropes 236 to pull the baffle 235 to rotate downwards against the torsion force of the torsion springs until the baffle 235 is contacted with the heat insulation plates 23, the heat sealing knife 22 is moved to the baffle 235, the baffle 235 is not blocked any more at the moment, the heat sealing knife 22 is enabled to stretch the silica gel elastic ropes 236 to deform as the heat insulation plates 23 continue to descend, the heat sealing knife 22 ascends relative to the baffle 235 and passes over the heat insulation plates 23, the heat sealing knife 22 is contacted with the films, the heat sealing knife 22 heats the films, the two films are heated and melted and bonded to realize heat sealing to form packaging bags, at the moment, the middle of the film on the film cylinder is heat-cut Cheng Kongdong, after the film heat sealing is finished, the driving motor 14 is controlled to reversely rotate, the driving module is controlled to operate, the driving module drives the packaging roller 21 to rotate, the packaging roller 21 pulls the film with holes to be wound on the packaging roller 21, the packaging bag with the holes is pushed to roll towards the driving module by the wall of the holes by the film with holes until the packaging bag with the holes is packaged, the packaging bag with the holes is placed at the packaging roller 21, and the packaging bag with the holes falls onto the conveyor belt 12 along the packaging roller 21 from the machine body 1, so that the conveyor belt 12 conveys the packaging bag with the holes away from the machine body 1;
wherein, in the initial state, the pressing rod 16 drives the protrusion 161 to be positioned on the annular groove 152 above the spiral groove 151; when the driving motor 14 drives the screw 13 to reversely rotate, the screw 13 drives the two film sealing plates 2 to be far away from each other, at this time, the driving motor 14 drives the pressing rod 16 to rotate in a belt transmission mode, so that the pressing rod 16 can drive the protrusion 161 to enter the spiral groove 151 from the annular groove 152, the protrusion 161 can rotate downwards along the spiral groove 151, the pressing rod 16 continuously enters the hydraulic groove 15, the pressing rod 16 can squeeze hydraulic oil in the hydraulic groove 15 to flow into the groove 263, the pressure of the hydraulic oil in the groove 263 is increased, the hydraulic oil in the groove 263 can push the pushing rod 262 to continuously extend out of the groove 263, the pushing rod 262 pushes the rack 25 in the sliding groove 26 to be far away from the sliding groove 26, and the rack 25 pulls the pushing spring 261 to extend out of the sliding groove 26; so that the rack 25 is constantly adjacent to the gear 24; when the protrusion 161 on the driving surface of the pressing rod 16 enters the annular groove 152 below from the spiral groove 151, at this time, the pressing rod 16 is driven by the driving motor 14 to drive the protrusion 161 to rotate in the annular groove 152, at this time, hydraulic oil in the groove 263 pushes the pushing rod 262 to extend maximally, at this time, the pushing rod 262 pushes the rack 25 to extend out of the sliding groove 26 and engage with the gear 24, at this time, as the driving motor 14 drives the two film sealing plates 2 to move away from each other through the screw 13, the film sealing plates 2 drive the gear 24 to synchronously move downwards through the packaging roller 21, the gear 24 rolls downwards along the rack 25, the gear 24 drives the packaging roller 21 to rotate, and a film tube is sleeved on the other packaging roller 21 without the gear 24, so when the packaging roller 21 with the gear 24 is installed to rotate, the packaging roller 21 with the gear 24 can drive the packaging roller 21 connected with the belt thereof to synchronously rotate, the film release on the film cylinder can be accelerated in the process of rotating the film cylinder, the film with holes is accelerated to be wound on the packaging roller 21 provided with the gear 24, the pulling force of the packaging roller 21 on the film with holes is reduced, the breakage of the film with holes is avoided, the whole film can be paved on the film sealing plate 2, similarly, when the driving motor 14 drives the film sealing plate 2 at two ends of the screw 13 to approach each other, the driving motor 14 drives the pressing rod 16 to enter the spiral groove 151 from the annular groove 152 below the spiral groove 151, then enter the annular groove 152 above the spiral groove 151 from the spiral groove 151, the space in the hydraulic groove 15 is increased, the hydraulic oil pressure in the groove 263 is released, at the moment, the pushing rod 262 no longer generates pushing force on the rack 25, the rack 25 enters the sliding groove 26 and pushes the groove 263 in the machine of the pushing rod 262 under the pulling of the restoring force of the pushing spring 261, the rack 25 is separated from the gear 24, so that the films with holes cut on the packaging roller 21 are prevented from being released, the films with holes cut on the packaging roller 21 can be effectively wound, and the practical application effect of the packaging roller is effectively improved; when the film on the film cylinder is used, a user needs to stop the machine and control the electrifying of the electromagnetic sheet 216, so that the electromagnet generates adsorption force on the rectangular rod 213, and the rectangular rods 213 at the two ends of the packaging roller 21 extend out of the clamping grooves 214 at the two ends of the packaging roller 21 under the adsorption of the electromagnet; the rectangular rod 213 can squeeze the fixing spring 215 into the rectangular groove 212 where the rectangular rod 213 is located, the rectangular rod 213 does not support the packing roller 21 through the groove wall of the clamping groove 214, the packing roller 21 falls off from between the two fixing rollers 211 under the action of self gravity, at the moment, a user removes the packing roller 21 which is about to fall off, removes a film cylinder with a used film on the packing roller 21 and replaces the film cylinder with a new film, the packing roller 21 with the new film cylinder is replaced between the two fixing rollers 211, the electromagnetic sheet 216 is controlled to be powered off, the rectangular rod 213 stretches out of the rectangular groove 212 and enters the clamping groove 214 under the pushing of the restoring force of the fixing spring 215, the rectangular rod 213 supports the packing roller 21 through the inner wall of the clamping groove 214, the packing roller 21 which is installed with the gear 24 is removed, the packing roller 21 which is wound with a broken film is replaced, and the packing roller 21 which is newly installed with the arc-shaped clamping plate 217 is installed between the two fixing rollers 211 which are connected with the gear 24; then, one end of the film on the film cylinder is pulled to pass through the film sealing plate 2 and go to the packaging roller 21 provided with the arc clamping plate 217, so that the arc clamping plate 217 is turned over, the arc clamping plate 217 is turned away from the packaging roller 21 by overcoming the torsion force of the torsion spring, one end of the film is placed between the arc clamping plate 217 and the packaging roller 21, and then the arc clamping plate 217 is loosened, so that the film is clamped on the surface of the packaging roller 21 by the arc clamping plate 217, and is fixed on the packaging roller 21, and when the packaging roller 21 is guaranteed to rotate, the film can be effectively stretched and wound on the packaging roller 21, and further the film is prevented from being separated from the packaging roller 21, so that the practical application effect of the film packaging roller is effectively improved.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present invention, and furthermore, the terms "first", "second", "third", etc. are merely used for distinguishing the description, and should not be construed as indicating or implying relative importance.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. An onion controlled atmosphere packaging machine, comprising:
the machine body (1), a ventilation sheet (11) at one side of the machine body (1) and conveying belts (12) at two sides of the machine body (1);
the machine body (1), the conveyer belt (12) that the both sides of said machine body (1) are fixedly mounted; the conveying belt (12) is used for conveying onions to the machine body (1);
the method is characterized in that: further comprises:
a screw (13); the screw (13) is rotationally connected with the machine body (1); the two ends of the screw rod (13) are connected with the film sealing plate (2) in a spiral transmission manner; threads at two ends of the screw rod (13) are oppositely arranged; a driving motor (14) is fixedly arranged at the upper end of the machine body (1); the output end of the driving motor (14) is fixedly connected with the screw rod (13);
a packaging roller (21); the packaging roller (21) is rotationally connected to one surface of the two film sealing plates (2) close to each other; a film cylinder is wound on the packaging roller (21); a heat sealing knife (22) is arranged on one surface of the two film sealing plates (2) close to each other; a protection unit is arranged between the heat sealing knife (22) and the film; the protection unit is arranged on the film sealing plate (2); the protection unit is used for isolating the heat sealing knife (22) from being contacted with the film;
a driving module; the driving module is arranged on the packing roller (21); the driving module is used for driving the packaging roller (21) to rotate;
a blocking module; the blocking module is arranged on one side of the machine body (1) close to the film sealing plate (2); the blocking module is used for blocking onions on the film sealing plate (2).
2. The modified atmosphere packaging machine for onions according to claim 1, wherein: the protective unit comprises a heat insulation plate (23); a heat insulation groove (231) is formed in one surface, close to each other, of the two film sealing plates (2); the heat insulation plate (23) is connected in the heat insulation groove (231) in a sliding way; the heat insulation plate (23) is fixedly connected with the bottom of the heat insulation groove (231) through a connecting spring (232); an aerogel layer (233) is arranged on one surface of the heat insulation plate (23) close to the film sealing plate (2); a rubber pad (234) is fixedly connected to the upper end of the heat insulating plate (23).
3. The modified atmosphere packaging machine for onions according to claim 2, wherein: the heat insulation plates (23) are distributed on two sides of the heat sealing knife (22); a baffle plate (235) is arranged above the heat sealing knife (22); an aerogel layer (233) is arranged on the upper end surface of the baffle plate (235); the baffle plate (235) is rotationally connected to the upper end of the heat insulation plate (23) through a torsion spring; one surface of the baffle plate (235) close to the heat sealing knife (22) is fixedly connected with a silica gel elastic rope (236); one end of the silica gel elastic rope (236) far away from the baffle plate (235) bypasses the lower end face of the heat insulation plate (23) and is fixedly connected with the groove wall of the heat insulation groove (231).
4. The modified atmosphere packaging machine for onions according to claim 3, wherein: the drive module comprises a gear (24) and a rack (25); both sides of the machine body (1) are provided with sliding grooves (26); the rack (25) is fixedly connected to the bottom of the chute (26) through a pushing spring (261); a pushing unit is arranged in the chute (26); the pushing unit is used for pushing the gear (24) to be meshed with the rack (25); the gear (24) is fixedly connected with a packaging roller (21) at one side of the machine body (1); two packaging rollers (21) arranged on the same film sealing plate (2) are connected through belt transmission.
5. The modified atmosphere packaging machine for onions according to claim 4, wherein: the pushing unit comprises a pushing rod (262); a groove (263) is formed in the groove bottom of the sliding groove (26); the pushing rod (262) is connected in the groove (263) in a sliding and sealing way; the upper end of the machine body (1) is provided with a hydraulic groove (15) communicated with the groove (263); the hydraulic tank (15) is filled with hydraulic oil; a compression bar (16) is arranged in the hydraulic groove (15); the compression bar (16) is connected with the driving motor (14) through belt transmission.
6. The modified atmosphere packaging machine for onions according to claim 5, wherein: a spiral groove (151) and an annular groove (152) are formed in the hydraulic groove (15); the spiral groove (151) is communicated with the annular groove (152); the surface of the compression bar (16) is fixedly connected with a protrusion (161); the compression bar (16) is spirally driven in the spiral groove (151) through the protrusions (161) on the surface.
7. The modified atmosphere packaging machine for onions according to claim 6, wherein: the two ends of the packaging roller (21) are provided with fixed rollers (211); the fixed roller (211) is rotationally connected with the film sealing plate (2); one end of the fixed roller (211) far away from the film sealing plate (2) is provided with a rectangular groove (212); a rectangular rod (213) is connected in a sliding manner in the rectangular groove (212); clamping grooves (214) matched with the rectangular rods (213) are formed in the two ends of the packaging roller (21); the rectangular rod (213) is fixedly connected with the bottom of the rectangular groove (212) through a fixed spring (215); electromagnetic sheets (216) are embedded at the bottom of the rectangular grooves (212).
8. The modified atmosphere packaging machine for onions according to claim 7, wherein: a clamping unit is arranged on the packaging roller (21) connected with the gear (24); the clamping unit comprises an arc-shaped clamping plate (217); the clamping plates are rotationally connected with the packaging roller (21) through torsion springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310930513.1A CN116873270A (en) | 2023-07-26 | 2023-07-26 | Controlled atmosphere fresh-keeping packaging machine for onions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310930513.1A CN116873270A (en) | 2023-07-26 | 2023-07-26 | Controlled atmosphere fresh-keeping packaging machine for onions |
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| Publication Number | Publication Date |
|---|---|
| CN116873270A true CN116873270A (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310930513.1A Pending CN116873270A (en) | 2023-07-26 | 2023-07-26 | Controlled atmosphere fresh-keeping packaging machine for onions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117125299A (en) * | 2023-10-24 | 2023-11-28 | 合肥佛斯德新材料科技有限公司 | Bag making and packaging device and packaging bag |
-
2023
- 2023-07-26 CN CN202310930513.1A patent/CN116873270A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117125299A (en) * | 2023-10-24 | 2023-11-28 | 合肥佛斯德新材料科技有限公司 | Bag making and packaging device and packaging bag |
| CN117125299B (en) * | 2023-10-24 | 2024-01-02 | 合肥佛斯德新材料科技有限公司 | Bag making and packaging device and packaging bag |
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