CN116729700B - Packaging device for food - Google Patents
Packaging device for food Download PDFInfo
- Publication number
- CN116729700B CN116729700B CN202311011465.2A CN202311011465A CN116729700B CN 116729700 B CN116729700 B CN 116729700B CN 202311011465 A CN202311011465 A CN 202311011465A CN 116729700 B CN116729700 B CN 116729700B
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- Prior art keywords
- assembly
- hot
- connecting rod
- link
- stamping
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- 235000013305 food Nutrition 0.000 title claims abstract description 44
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 74
- 238000002844 melting Methods 0.000 claims abstract description 20
- 230000008018 melting Effects 0.000 claims abstract description 20
- 239000012943 hotmelt Substances 0.000 claims description 84
- 238000004080 punching Methods 0.000 claims description 27
- 239000011324 bead Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 2
- 239000000155 melt Substances 0.000 claims 1
- 238000009461 vacuum packaging Methods 0.000 description 43
- 238000000034 method Methods 0.000 description 11
- 238000005086 pumping Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 235000021485 packed food Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
- B65B31/06—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzle being arranged for insertion into, and withdrawal from, the mouth of a filled container and operating in conjunction with means for sealing the container mouth
-
- 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
- B65B25/00—Packaging other articles presenting special problems
- B65B25/001—Packaging other articles presenting special problems of foodstuffs, combined with their conservation
-
- 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
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
- B65B51/146—Closing bags
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Package Closures (AREA)
Abstract
The invention relates to the technical field of food packaging, and provides a food packaging device which comprises a supporting component, a control component, a driving component, a vacuumizing component, a stamping hot melting component and a sealing hot melting component, wherein the control component is arranged on the supporting component; the stamping hot melting assembly arranged on the sliding shaft corresponding to the first connecting rod and the third connecting rod comprises a first lifting driving piece arranged on the sliding shaft corresponding to the first connecting rod, a second lifting driving piece arranged on the sliding shaft corresponding to the third connecting rod, an upper stamping hot melting piece, a lower stamping hot melting piece and a stamping die arranged on the supporting assembly, wherein the upper stamping hot melting piece and the lower stamping hot melting piece are respectively driven by the first lifting driving piece and the second lifting driving piece.
Description
Technical Field
The invention relates to the technical field of food packaging, in particular to a packaging device for food.
Background
It is known that vacuum packaging bags are often used to package foods in order to extend the shelf life of the foods and to effectively isolate the outside contamination. For vacuum packed food which cannot be consumed at one time, a sealing strip is usually stuck on the inner side of the opening of the vacuum packing bag, so that consumers can preserve the food in a short time. However, the sealing tape is stuck to the inner side of the opening of the vacuum packaging bag, which not only complicates the process but also increases the cost and wastes resources for foods that can be stored for a short period of time.
Disclosure of Invention
In order to solve or at least alleviate the above problems, the present invention provides a packaging device for food.
The invention provides a packaging device for food, which comprises a supporting component, a control component, a driving component, a punching hot melting component, a vacuumizing component and a sealing hot melting component, wherein the control component is installed on the supporting component; the stamping hot melting assembly is arranged on a sliding shaft connected with the first connecting rod and the third connecting rod and comprises a first lifting driving piece arranged on the sliding shaft connected with the first connecting rod, a second lifting driving piece arranged on the sliding shaft connected with the third connecting rod, an upper stamping hot melting piece driven by the first lifting driving piece, a lower stamping hot melting piece driven by the second lifting driving piece and a stamping die arranged on the supporting assembly.
In some embodiments, the vacuum pumping assembly comprises two vacuum pumping pipes connected with a vacuum pumping pump, and the two vacuum pumping pipes are respectively arranged at two sides of the stamping die.
In some embodiments, the positional relationship and the dimensional relationship between each of the two evacuation tubes and the stamping die satisfy the relationship: s=1/4pi D, and d=h, where S is a distance between a center of the evacuation tube and a side of the stamping die adjacent to the evacuation tube, D is an outer diameter of the evacuation tube, and H is a height of the stamping die.
In some embodiments, the sealing hot melt assembly is mounted on a sliding shaft connected to the second link and the fourth link, and the sealing hot melt assembly includes a third elevation driving member mounted on the sliding shaft connected to the second link, a fourth elevation driving member mounted on the sliding shaft connected to the fourth link, an upper sealing hot melt member driven by the third elevation driving member, and a lower sealing hot melt member driven by the fourth elevation driving member.
In some embodiments, the upper and lower sealing hot melts are symmetrically disposed with respect to the support plate of the support assembly.
In some embodiments, the upper sealing hot-melt element comprises a body, first extending parts respectively arranged at two ends of the body, and second extending parts arranged outside the first extending parts, wherein the first extending parts extend from the body to the upper stamping hot-melt element, and the second extending parts extend outwards from one ends of the first extending parts away from the body.
In some embodiments, the body is in a strip shape, the length of the body along the length direction is equal to the length of the upper stamping hot-melt piece along the length direction, and the outer sides of the two first extending parts are respectively flush with two sides of the upper stamping hot-melt piece.
In some embodiments, the support assembly includes a plurality of posts supporting the food packaging device on a table, a support plate secured to the plurality of posts, and a support slot disposed on a front side of the support plate.
In some embodiments, the support plate is provided with a bead adjacent to the support groove.
In some embodiments, the first and second links are disposed on either side of the first drive rod, respectively, with the first link interposed between the second link and the first cylinder; the third connecting rod is symmetrically arranged relative to the supporting plate of the supporting assembly and the first connecting rod, and the fourth connecting rod is symmetrically arranged relative to the supporting plate and the second connecting rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the food packaging device can form the sealing strip on the vacuum packaging bag, and the sealing strip is not required to be additionally adhered to the sealing position of the vacuum packaging bag, so that the process is simplified, the cost is reduced, and the resource waste is avoided for foods which can be stored only in a short time.
2. The relation between the vacuumizing pipe and the stamping die enables the upper sealing strip of the vacuum packaging bag on the upper stamping hot-melt piece to be connected with the lower sealing strip of the vacuum packaging bag on the lower stamping hot-melt piece, and then the vacuum packaging bag can be connected with the outer side of the vacuumizing pipe, so that a closed space in the vacuumizing process is formed, and vacuumizing efficiency is improved.
3. When the upper sealing hot-melt piece and the lower sealing hot-melt piece are sealed by hot melting, the two ends of the sealing strip part are pressed by hot melting to shape the upper sealing strip and the lower sealing strip of the vacuum packaging bag, so that reliable joint of the upper sealing strip in the lower sealing strip is formed; further, the vacuum packaging bag with the upper seal and the lower seal formed by the method can be reused, so that the pollution of the outside to internal foods is effectively isolated.
Drawings
Fig. 1 is a perspective view of a food packaging device according to an embodiment of the present invention.
Fig. 2 is a perspective view showing the food packaging device shown in fig. 1 in another direction.
Fig. 3 shows a plan view of the food packaging device shown in fig. 1, with parts omitted.
Fig. 4 shows a perspective view of a part of the components of the packaging device for food shown in fig. 1.
Fig. 5 shows a side view of a portion of the components of the ram heat and seal heat assembly of the food packaging device shown in fig. 1.
Fig. 6 shows a top view of a portion of the components of the ram heat and seal heat assembly of the food packaging device shown in fig. 1.
Fig. 7 is a perspective view showing a vacuum packing bag completed by the packing apparatus for food shown in fig. 1.
Fig. 8 shows an enlarged view of a portion a in fig. 3, in which S is a distance from a center of the evacuation tube to a side of the press mold adjacent to the evacuation tube, D is an outer diameter of the evacuation tube, and H is a height of the press mold.
Reference numerals illustrate: 1-a support assembly; 11-struts; 12-supporting plates; 13-a supporting groove; 14-layering; 2-a control assembly; 21-a control panel; 3-a drive assembly; 31-a bracket; 311-upper bracket; 312-a lower rack; 32-a first cylinder; 33-a second cylinder; 34-a first drive rod; 35-a second drive rod; 36-a first link; 37-a second link; 38-a third link; 39-fourth link; 30-sliding support; 4-stamping the hot melting assembly; 41-a first lifting drive; 42-a second lift drive; 43-upper punching the hot melt; 431-first bump; 432-rim; 40-stamping die; 401-mounting seats; 402-a second bump; 403-first groove; 404-a second groove; 44-lower stamping the hot melt; 441-a third groove; 442-fourth grooves; 443-third bump; 45-a first getter; 46-a second getter; 5-vacuumizing assembly; 51-evacuating the tube; 52-supporting seats; 6-sealing the hot melt assembly; 61-a third lifting drive; 62-fourth lifting drive; 63-upper sealing the hot melt; 631-body; 632-first extension; 633-second extension; 64-lower seal hot melt; 7-vacuum packaging bags; 71-a seal part; 72-a vacuum tube placement section; 73-seal.
Detailed Description
The following detailed description of the invention refers to the accompanying drawings and the detailed description of the invention, so that the technical scheme and the beneficial effects of the invention are more clear. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention, for which the dimensions are shown in the drawings for the purpose of clarity and not in a limiting sense.
As shown in fig. 1 and 2, the food packaging device provided by the invention comprises a supporting component 1, a control component 2 arranged on the supporting component 1, a driving component 3 arranged on the supporting component 1 and electrically connected with the control component 2, a stamping hot melting component 4 driven by the driving component 3, a vacuumizing component 5 arranged on the supporting component 1 and electrically connected with the control component 2, and a sealing hot melting component 6 driven by the driving component 3.
In the present embodiment, the support assembly 1 includes a plurality of posts 11 supporting the packing device for food on a table, a support plate 12 fixed to the plurality of posts 11 for mounting the above assembly, and a support groove 13 provided at a front side of the support plate 12 for placing food to be vacuum-packed. Preferably, the heights of the plurality of struts 11 are adjustable according to the user's needs. The supporting groove 13 is recessed downward. Food placed in the vacuum packaging bag to be vacuum-packed can be gathered in the supporting groove 13 to prevent the food from moving to the sealing place to affect the sealing quality in the process of performing subsequent seal punching, vacuum pumping and sealing. It is further preferred that the support plate 12 is provided with a bead 14 adjacent to the support groove 13, which bead 14 is rotatable relative to the support plate 12. When the vacuum packaging bag to be packaged is placed on the supporting groove 13, a user can rotate the pressing bar 14 to press the vacuum packaging bag against the supporting plate 12, so that food to be vacuum packaged is limited, and the food to be vacuum packaged is prevented from moving on the supporting plate 12 in the processes of carrying out subsequent seal stamping, vacuumizing and sealing, and further, the food is prevented from moving to the sealing position to influence the sealing quality.
After placing the vacuum packaging bag to be packaged on the food packaging device, the user controls the subsequent vacuumizing and sealing processes through the control assembly 2. In this embodiment, the control module 2 is provided with a control panel 21, and the user can set relevant parameters on the control panel 21, such as the pumping time, the vacuum degree, the pump speed, etc. After the related parameters are set, the subsequent processes of stamping the seal, vacuumizing and sealing can be performed.
Referring to fig. 1 to 4, the process of stamping the seal, evacuating and sealing in the present embodiment is driven by the driving assembly 3 under the control of the control assembly 2. The drive assembly 3 comprises a bracket 31 mounted on the support plate 12. The bracket 31 includes an upper bracket 311 mounted on the upper surface of the support plate 12 and a lower bracket 312 mounted on the lower surface of the support plate 12. The driving assembly 3 further includes a first cylinder 32 fixed to the upper bracket 311, a second cylinder 33 fixed to the lower bracket 312, a first driving lever 34 driven by the first cylinder 32, a second driving lever 35 driven by the second cylinder 33, a first link 36 and a second link 37 rotatably connected to the first driving lever 34, and a third link 38 and a fourth link 39 rotatably connected to the second driving lever 35. The upper bracket 311 and the lower bracket 312 are symmetrically disposed at both upper and lower sides of the support plate 12 with respect to the support plate 12. Preferably, the upper bracket 311 and the lower bracket 312 are identical in construction and each have a generally U-shape. The first cylinder 32 and the second cylinder 33 are the same cylinder and are also symmetrically arranged on the respective brackets with respect to the support plate 12. In the present embodiment, the first cylinder 32 and the second cylinder 33 are operated in synchronization under the control of the control unit 2. Referring to fig. 1 to 4 at the same time, the first link 36 and the second link 37 are provided on both sides of the first driving lever 34, respectively. In the present embodiment, the first link 36 is located closer to the first cylinder 32 than the second link 37, that is, the first link 36 is interposed between the first cylinder 32 and the second link 37. The third link 38 is symmetrically disposed with respect to the support plate 12 and the first link 36. The fourth link 39 is symmetrically disposed with respect to the support plate 12 and the second link 37. Preferably, the first link 36, the second link 37, the third link 38 and the fourth link 39 have the same configuration. The drive assembly 3 further comprises a sliding support 30 mounted on a bracket 31. The first link 36, the second link 37, the third link 38, and the fourth link 39 are respectively connected to slide shafts slidably installed in the slide mount 30. When the first and second cylinders 32 and 33 are executed, the first and second driving levers 34 and 35 are respectively driven to move, the first and second links 36 and 37 are respectively rotated with respect to the first driving lever 34 and simultaneously push the corresponding sliding shafts to move, and the third and fourth links 38 and 39 are respectively rotated with respect to the second driving lever 35 and simultaneously push the corresponding sliding shafts to move, as the first and second driving levers 34 and 35 are moved. Specifically, when the first link 36 pushes the corresponding sliding shaft away from the first driving rod 34, the second link 37 pushes the corresponding sliding shaft closer to the first driving rod 34; when the third link 38 pushes the corresponding sliding shaft away from the second driving rod 35, the fourth link 39 pushes the corresponding sliding shaft toward the second driving rod 35.
The ram fuse assembly 4 is mounted on a sliding shaft that is connected to a first link 36 and a third link 38. The press-hot-melt assembly 4 includes a first elevation driving member 41 mounted on a sliding shaft connected to the first link 36, a second elevation driving member 42 mounted on a sliding shaft connected to the third link 38, an upper press-hot-melt member 43 driven by the first elevation driving member 41, a lower press-hot-melt member 44 driven by the second elevation driving member 42, and a press die 40 mounted on the support plate 12. In the present embodiment, the first lift driving member 41 and the second lift driving member 42 use the same cylinder and operate synchronously under the control of the control unit 2. The upper punch fuse 43, the lower punch fuse 44 and the punch die 40 are used for punching the seal. In the case of stamping the seal, the stamping die 40 is interposed between the upper stamping hotmelt 43 and the lower stamping hotmelt 44, and the seal is formed by a form fit therebetween.
Referring to fig. 3 to 6 together, the side of the upper press hot-melt 43 facing the press die 40 is provided with a first protrusion 431, and rims 432 provided on both sides of the first protrusion 431. The side of the stamping die 40 facing upward to stamp the hot melt 43 is provided with a first groove 403 which engages with a first protrusion 431 and a rim 432. The stamping die 40 is provided with a second protrusion 402 corresponding to the first protrusion 431 on one side thereof facing downward to stamp the fuse 44, and a second groove 404 on both sides of the second protrusion 402. The side of the lower press hot-melt member 44 facing the press die 40 is provided with a third groove 441 engaged with the second projection 402, third projections 443 engaged with the second groove 404 provided on both sides of the third groove 441, and a fourth groove 442 interposed between the third groove 441 and the third projections 443. In the present embodiment, the height of the third protrusion 443 with respect to the bottom of the third recess 441 is greater than the height of the first protrusion 431 with respect to the rim 432. The stamping die 40 is movably mounted in a mount 401, wherein the mount 401 is fixed to the support plate 12. Preferably, the movement of the stamping die 40 is achieved by a rack provided at the rear end thereof and a gear and motor driving the movement of the rack. The support plate 12 is provided with openings at positions corresponding to the punching heat-fusible module 4 and the sealing heat-fusible module 6. The stamping die 40 moves to the opening of the supporting plate 12 and is positioned between the upper stamping hot-melt piece 43 and the lower stamping hot-melt piece 44, and when the sealing strip is stamped, the first bulge 431 and the edge 432 of the upper stamping hot-melt piece 43 and the first groove 403 of the stamping die 40 stamp and heat the upper side of the sealing opening of the vacuum packaging bag to form an upper sealing strip of the vacuum packaging bag; and the third groove 441, the fourth groove 442, and the third protrusion 443 of the lower punch fuse 44 punch and heat the sealed lower side of the vacuum packaging bag with the second protrusion 402 and the second groove 404 of the punch die 40 to form a lower side seal of the vacuum packaging bag, in which the upper side seal can be engaged. In this embodiment, the upper punching hot-melt member 43 is provided with the first air suction member 45, the lower punching hot-melt member 44 is provided with the second air suction member 46, after the punching seal is finished, the heating of the upper punching hot-melt member 43 and the lower punching hot-melt member 44 is stopped, the first air suction member 45 and the second air suction member 46 are started, the upper and lower sides of the vacuum packaging bag are respectively adsorbed on the upper punching hot-melt member 43 and the lower punching hot-melt member 44, the upper punching hot-melt member 43 is driven by the first lifting driving member 41 to move up and down, the lower punching hot-melt member 44 is driven by the second lifting driving member 42 to move down so as to separate from the engagement of the upper punching hot-melt member 43 and the lower punching hot-melt member 44 with the punching die 40, then the punching die 40 is retracted into the mounting seat 401, and simultaneously the upper punching hot-melt member 43 is driven by the first lifting driving member 41 to move up and down, the upper side of the vacuum on the upper punching hot-melt member 43 is driven by the second lifting driving member 42 to be adsorbed on the upper and lower side of the vacuum packaging bag, the upper side of the vacuum packaging bag is bonded on the lower punching hot-melt member 44 to the lower punching hot-melt member 44, the first air suction member 46 is stopped, and then the vacuum packaging bag is subjected to the vacuum suction assembly 5.
In this embodiment, the vacuum pump (not shown) of the vacuum pumping unit 5 is disposed in the control unit 2, and the vacuum pump may be constructed as known in the art, and will not be described in detail herein. The evacuation assembly 5 comprises two evacuation tubes 51 connected to an evacuation pump. Each of the two evacuation tubes 51 is supported on the support plate 12 by a support 52. Two evacuation tubes 51 are provided on both sides of the stamping die 40, respectively. Preferably, two evacuation tubes 51 are symmetrically disposed on both sides of the stamping die 40. Referring to fig. 3 and 8 simultaneously, the positional relationship and the dimensional relationship between one of the two evacuation tubes 51 and the press die 40 satisfy the relationship: s=1/4pi D, where S is the distance of the center of the evacuation tube 51 from the side of the stamping die 40 adjacent to the evacuation tube 51, D is the outer diameter of the evacuation tube 51, and H is the height of the stamping die 40. The evacuation tube 51 is at the same level as the stamping die 40. The relationship between the evacuating pipe 51 and the stamping die 40 is such that the vacuum bag can be bonded to the outside of the evacuating pipe 51 to form a closed space in the evacuating process after the upper seal of the vacuum bag on the upper stamping hot-melt member 43 is bonded to the lower seal of the vacuum bag on the lower stamping hot-melt member 44. The evacuation assembly 5 evacuates, the upper punch fuse 43 and the lower punch fuse 44 are spaced apart from each other, at which time the upper seal of the vacuum packing bag is engaged in the lower seal, the vacuum packing bag is in a vacuum state, and then the first air cylinder 32 and the second air cylinder 33 of the driving assembly 3 are operated such that the punch fuse 4 is spaced apart from the bracket 31 and the seal fuse 6 is adjacent to the bracket 31 to perform sealing of the vacuum packing bag.
The sealing hot melt assembly 6 is mounted on a sliding shaft connected to the second link 37 and the fourth link 39. The sealing hot melt assembly 6 includes a third elevation driving member 61 installed on a sliding shaft connected to the second link 37, a fourth elevation driving member 62 installed on a sliding shaft connected to the fourth link 39, an upper sealing hot melt member 63 driven by the third elevation driving member 61, and a lower sealing hot melt member 64 driven by the fourth elevation driving member 62. In the present embodiment, the third lift driving member 61 and the fourth lift driving member 62 use the same cylinder and operate synchronously under the control of the control unit 2. In performing the sealing, the upper sealing hot-melt member 63 and the lower sealing hot-melt member 64 are moved toward each other, and the sealing portion of the vacuum packaging bag is clamped therein and heat-fused.
In the present embodiment, the upper sealing hot melt 63 and the lower sealing hot melt 64 are symmetrically disposed with respect to the support plate 12 and are identical in configuration. The above sealing hot melt 63 is exemplified. The upper sealing hot-melt member 63 includes a body 631, first extending portions 632 respectively disposed at two ends of the body 631, and a second extending portion 633 disposed outside the first extending portion 632, wherein the first extending portion 632 extends from the body 631 to the upper punching hot-melt member 43, and the second extending portion 633 extends from one end of the first extending portion 632 away from the body 631. The body 631 is elongated. In the present embodiment, the length of the body 631 in the length direction thereof is equal to the length of the upper punch fuse 43 in the direction. The outer sides of the two first extending portions 632 are flush with both sides of the upper punch fuse 43, respectively.
As shown in fig. 7, after passing through the heat seal of the upper seal heat-seal member 63 and the lower seal heat-seal member 64, the final vacuum packaging bag 7 is obtained. The sealing part of the vacuum packaging bag 7 comprises a sealing part 71, a vacuum tube placing part 72 and a sealing part 73, wherein two ends of the sealing part 71 are partially overlapped with the sealing part 73. At the time of heat sealing of the upper seal heat-sealing member 63 and the lower seal heat-sealing member 64, the heat-sealing is performed to press both ends of the seal portion 71 to fix the upper seal and the lower seal, thereby forming a reliable engagement of the upper seal in the lower seal. After the vacuum packaging bag 7 is opened, the user can close the vacuum packaging bag 7 by using the seal portion 71 at the sealing portion to seal the food which is not consumed, thereby realizing the reuse of the vacuum packaging bag 7.
In use, the stamping die 40 is moved between the two evacuating pipes 51, the mouth of the vacuum packaging bag 7 is sleeved on the two evacuating pipes 51 and the stamping die 40, the pressing bar 14 is rotated to press the vacuum packaging bag 7 against the supporting plate 12, then under the control of the control assembly 2, the first air cylinder 32 and the second air cylinder 33 are synchronously operated, so that the upper stamping hot-melt part 43 and the lower stamping hot-melt part 44 of the stamping hot-melt assembly 4 move towards the bracket 31, thereby causing the stamping die 40 to be interposed between the upper stamping hot-melt part 43 and the lower stamping hot-melt part 44, the first lifting driving part 41 drives the first protrusion 431 and the edge 432 of the upper stamping hot-melt part 43 to punch and heat the upper side of the seal of the vacuum packaging bag with the first groove 403 of the stamping die 40, and simultaneously the second lifting driving part 42 drives the third groove 441, the fourth groove 442 and the third protrusion 443 of the lower stamping hot-melt part 44 to punch and the second protrusion 402 and heat the lower side of the seal of the vacuum packaging bag to form the lower side of the vacuum packaging bag; after the stamping seal is finished, stopping heating of the upper stamping hot-melt piece 43 and the lower stamping hot-melt piece 44, starting the first air suction piece 45 and the second air suction piece 46, respectively adsorbing the upper side and the lower side of the vacuum packaging bag on the upper stamping hot-melt piece 43 and the lower stamping hot-melt piece 44, enabling the upper stamping hot-melt piece 43 to move upwards under the driving of the first lifting driving piece 41, enabling the lower stamping hot-melt piece 44 to move downwards under the driving of the second lifting driving piece 42 so as to separate from the connection of the upper stamping hot-melt piece 43 and the lower stamping hot-melt piece 44 with the stamping die 40, then retracting the stamping die 40 into the mounting seat 401, enabling the upper stamping hot-melt piece 43 to move downwards under the driving of the first lifting driving piece 41, enabling the upper sealing piece of the vacuum packaging bag on the upper stamping hot-melt piece 43 to be connected with the lower sealing piece of the vacuum packaging bag on the lower stamping hot-melt piece 44, stopping the operation of the first air suction piece 45 and the second air suction piece 46, and then performing the vacuumizing process of the vacuumizing assembly 5; after the evacuation meets the set value, the upper and lower punching heat-fusible members 43 and 44 are moved away from each other, and then the first and second air cylinders 32 and 33 of the driving assembly 3 are operated so that the punching heat-fusible member 4 is moved away from the bracket 31 and the sealing heat-fusible member 6 is moved close to the bracket 31 to seal the vacuum packing bag, and then the third elevating driving member 61 drives the upper sealing heat-fusible member 63 to move down, and the fourth elevating driving member 62 drives the lower sealing heat-fusible member 64 to move up, and the final vacuum packing bag 7 is obtained after the heat-fusible sealing of the upper and lower sealing heat-fusible members 63 and 64.
The above description is merely of a preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above-listed examples, and any simple changes or equivalent substitutions of the technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present invention disclosed in the present invention fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a packing plant for food, includes supporting component, installs control assembly on the supporting component, install on the supporting component and with the drive assembly of control assembly electricity connection, by the punching press hot melt subassembly of drive assembly drive, install on the supporting component and with the evacuation subassembly of control assembly electricity connection, and by the sealed hot melt subassembly of drive assembly drive, its characterized in that:
the driving assembly comprises a bracket installed on the supporting assembly, a first air cylinder fixed on an upper bracket of the bracket, a second air cylinder fixed on a lower bracket of the bracket, a first driving rod driven by the first air cylinder, a second driving rod driven by the second air cylinder, a first connecting rod and a second connecting rod rotatably connected to the first driving rod, and a third connecting rod and a fourth connecting rod rotatably connected to the second driving rod;
the stamping hot melting assembly is arranged on a sliding shaft connected with the first connecting rod and the third connecting rod and comprises a first lifting driving piece arranged on the sliding shaft connected with the first connecting rod, a second lifting driving piece arranged on the sliding shaft connected with the third connecting rod, an upper stamping hot melting piece driven by the first lifting driving piece, a lower stamping hot melting piece driven by the second lifting driving piece and a stamping die arranged on the supporting assembly.
2. The food packaging device according to claim 1, wherein the evacuation assembly comprises two evacuation tubes connected to an evacuation pump, the two evacuation tubes being disposed on both sides of the stamping die, respectively.
3. The packaging device for food according to claim 2, wherein a positional relationship and a dimensional relationship between each of the two evacuation tubes and the press die satisfy a relational expression: s=1/4pi D, and d=h, where S is a distance between a center of the evacuation tube and a side of the stamping die adjacent to the evacuation tube, D is an outer diameter of the evacuation tube, and H is a height of the stamping die.
4. The food packaging apparatus of claim 1, wherein the sealing hot melt assembly is mounted on a sliding shaft connected to the second link and the fourth link, the sealing hot melt assembly including a third elevation driving member mounted on the sliding shaft connected to the second link, a fourth elevation driving member mounted on the sliding shaft connected to the fourth link, an upper sealing hot melt member driven by the third elevation driving member, and a lower sealing hot melt member driven by the fourth elevation driving member.
5. The food packaging apparatus of claim 4, wherein the upper and lower sealing heat melts are symmetrically disposed with respect to the support plate of the support assembly.
6. The food packaging device of claim 5, wherein the upper sealing hot-melt member comprises a body, first extending portions provided at both ends of the body, respectively, and second extending portions provided outside the first extending portions, wherein the first extending portions are formed by extending from the body toward the upper punching hot-melt member, and the second extending portions are formed by extending outwardly from one end of the first extending portions away from the body.
7. The food packaging device according to claim 6, wherein the body is elongated, and the length of the body along the length direction thereof is equal to the length of the upper press hot-melt member in the direction, and the outer sides of the two first extending portions are flush with both sides of the upper press hot-melt member, respectively.
8. The food packaging apparatus of claim 1, wherein the support assembly comprises a plurality of posts supporting the food packaging apparatus on a table, a support plate secured to the plurality of posts, and a support slot disposed on a front side of the support plate.
9. The food product packaging apparatus of claim 8, wherein the support plate is provided with a bead adjacent the support channel.
10. The packaging device for food according to claim 1, wherein the first link and the second link are provided on both sides of the first drive lever, respectively, and the first link is interposed between the second link and the first cylinder; the third connecting rod is symmetrically arranged relative to the supporting plate of the supporting assembly and the first connecting rod, and the fourth connecting rod is symmetrically arranged relative to the supporting plate and the second connecting rod.
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