CN113335597A - Vacuum packaging is with preventing that excessive suction air from causing device of product damage - Google Patents
Vacuum packaging is with preventing that excessive suction air from causing device of product damage Download PDFInfo
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- CN113335597A CN113335597A CN202110778288.5A CN202110778288A CN113335597A CN 113335597 A CN113335597 A CN 113335597A CN 202110778288 A CN202110778288 A CN 202110778288A CN 113335597 A CN113335597 A CN 113335597A
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- suction
- rod
- swing joint
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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or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied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or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzle being arranged for insertion into, and withdrawal from, the mouth of a filled container and operating in conjunction with means for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
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
Abstract
The invention relates to the technical field of automatic packaging machinery, and discloses a device for preventing a product from being damaged due to excessive air suction for vacuum packaging, which comprises a separating mechanism and a transmission mechanism, wherein the separating mechanism comprises a trapezoidal block, one side surface of the trapezoidal block is fixedly connected with a spring, two side surfaces of the trapezoidal block, which are close to the spring, are movably connected with telescopic rods, the surface of each telescopic rod is fixedly connected with a limiting rod, air is sucked by inserting a suction head into a packaging bag, when food in the packaging bag is deformed, an arch-shaped plate is extruded outwards, a rotating rod rotates along the middle point of the rotating rod to drive a hot welding plate to move towards a suction opening of the packaging bag for welding, meanwhile, the arc-shaped plate extrudes a movable rod to close the suction head, the bottom of the L-shaped rod is driven to extrude the limiting rod to drive the telescopic rod to extend, the trapezoidal block is pushed to, the suction tube is separated from the packaging bag.
Description
Technical Field
The invention relates to the technical field of automatic packaging machinery, in particular to a device for preventing a product from being damaged due to excessive air suction for vacuum packaging.
Background
The packing automation utilizes automation equipment control and management packaging process, makes it go on according to the procedure of prescribing in advance automatically, through predetermineeing the procedure and pack the interior product of packagine machine unified specification, unified mode, can play and beautify the product, improves effects such as product discernment degree, in addition, automatic packing can also reduce operating personnel intensity of labour, improves packing efficiency.
Some food need take out the air in the wrapping bag when carrying out vacuum packaging, and when the suction was excessive, easily caused the product in the wrapping bag to take place to buckle, distort, fold etc. influence the packing effect, in addition, the suction is accomplished the back, when the separation suction machine, need in time seal, prevents that the air from getting into, consequently, we provide a vacuum packaging with preventing that excessive suction air from causing the device of product damage.
Disclosure of Invention
The present invention is directed to a device for preventing damage to a product caused by excessive air suction for vacuum packaging, which solves the problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a vacuum packaging is with preventing that excessive suction air from causing product damage, includes separating mechanism, drive mechanism, separating mechanism's inside includes trapezoidal piece, a side fixedly connected with spring of trapezoidal piece, and the equal swing joint of both sides face that trapezoidal piece is close to the spring has the telescopic link, and the fixed surface of telescopic link is connected with the gag lever post.
Further, drive mechanism's inside includes the mount, the surperficial swing joint of mount has the arch-shaped plate, the one end fixedly connected with spring wire of arch-shaped plate, the spout has been seted up on the surface of mount, the one end of arch-shaped plate is through the spout of a slider swing joint on the mount surface, the other end fixed connection of spring wire is on mount surface spout inner wall, the flex point department swing joint of arch-shaped plate has the bull stick, the mid point department of bull stick is through a pivot swing joint in a side of mount, the one end swing joint of bull stick has the depression bar, the surperficial swing joint of bull stick has the extension spring, the other end swing joint of extension spring is in the side of mount, the telescopic link is kept away from the one end swing joint of trapezoidal piece and is on the surface of mount.
Further, the inside of suction mechanism includes the suction head, and the surperficial swing joint of suction head has the sector plate, and the fixed surface of sector plate is connected with the elastic rod, and the other end fixedly connected with suction tube of elastic rod, the fixed surface of sector plate are connected with the movable rod, and annular spout has been seted up on the surface of suction head, and sector plate swing joint is in the annular spout of suction head.
Furthermore, the inside of the welding mechanism comprises a hot welding plate, a connecting rod is fixedly connected to the surface of the hot welding plate, an arc-shaped plate is fixedly connected to one end, far away from the hot welding plate, of the connecting rod, and an L-shaped rod is fixedly connected to one side face of the hot welding plate.
Furthermore, the separating mechanism is movably connected to two side faces of the suction mechanism, the welding mechanism is movably connected to the upper surface and the lower surface of the suction mechanism, and the transmission mechanism is movably connected to two side faces of the welding mechanism.
Furthermore, the one end of gag lever post is connected perpendicularly on the surface of telescopic link, and L shape pole is the L shape, and gag lever post swing joint is in the bottom on L shape pole surface.
Furthermore, one side face, away from the connecting rod, of the arc-shaped plate is an arc-shaped face, the bottoms of the two ends of the arc-shaped plate are provided with limiting blocks, and one end, away from the fan-shaped plate, of the movable rod is movably connected to the arc-shaped face of the arc-shaped plate.
Compared with the prior art, the invention has the following beneficial effects: insert the packing bag through the suction head and carry out the suction air in, when food takes place to warp in the packing bag, extrude the domatic board to the outside, the domatic board slides along mount surface spout, the flex point department of domatic board promotes the bull stick and rotates along self mid point, it promotes the hot welding board and removes to wrapping bag suction mouth to drive the depression bar, the joint action of cooperation link, make the arc remove to the one end of movable rod, promote movable rod and sector plate and remove along the annular spout on suction head surface, close the suction head, the elastic rod is stretched at this process, provide power for sector plate resets, two hot welding boards of deuterogamying extrude from wrapping bag suction mouth both sides, carry out the hot welding, thereby reach the purpose of automatic stop suction air and welding suction mouth.
Move to the mouth of sucking of wrapping bag through the hot welded plate, drive the bottom extrusion gag lever post of L shape pole, drive the telescopic link extension, promote the side of trapezoidal piece to the suction tube and remove for the inclined plane of trapezoidal piece inserts between suction tube and the wrapping bag mouth of sucking, with suction tube and wrapping bag separation, the spring is by tensile accumulation elastic potential energy, provides power for the trapezoidal piece resets, thereby reaches autosegregation suction mechanism, prevents the purpose of excessive suction.
Drawings
FIG. 1 is a schematic view of a draft tube according to the present invention;
FIG. 2 is a schematic view of the pumping mechanism of the present invention;
FIG. 3 is a schematic view of the separating mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the transmission mechanism of the present invention;
fig. 5 is a schematic structural diagram of the welding mechanism of the present invention.
In the figure: 1. a suction mechanism; 11. a suction head; 12. a sector plate; 13. a movable rod; 14. an elastic rod; 15. a suction tube; 2. a separating mechanism; 21. a trapezoidal block; 22. a spring; 23. a telescopic rod; 24. a limiting rod; 3. a transmission mechanism; 31. a fixed mount; 32. an arch plate; 33. a spring wire; 34. a rotating rod; 35. A pressure lever; 36. a tension spring; 4. a welding mechanism; 41. a hot-welded plate; 42. a connecting rod; 43. an arc-shaped plate; 44. An L-shaped rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 2 and 3, a device for preventing a product from being damaged due to excessive air suction for vacuum packaging comprises a separating mechanism 2 and a transmission mechanism 3, wherein the separating mechanism 2 comprises a trapezoidal block 21, a spring 22 is fixedly connected to one side surface of the trapezoidal block 21, telescopic rods 23 are movably connected to two side surfaces of the trapezoidal block 21 close to the spring 22, and limiting rods 24 are fixedly connected to the surfaces of the telescopic rods 23.
Further, drive mechanism 3's inside includes mount 31, the surperficial swing joint of mount 31 has arch board 32, the one end fixedly connected with spring wire 33 of arch board 32, the spout has been seted up on mount 31's surface, a slider swing joint is passed through at the spout on mount 31 surface to arch board 32's one end, spring wire 33's other end fixed connection is on mount 31 surperficial spout inner wall, arch board 32's inflection point department swing joint has bull stick 34, a side at mount 31 is located through a pivot swing joint to the mid point of bull stick 34, the one end swing joint of bull stick 34 has depression bar 35, the surperficial swing joint of bull stick 34 has extension spring 36, the other end swing joint of extension spring 36 is in the side of mount 31, the one end swing joint that trapezoidal piece 21 was kept away from to telescopic link 23 is on the surface of mount 31.
Further, the inside of the suction mechanism 1 includes a suction head 11, a sector plate 12 is movably connected to the surface of the suction head 11, an elastic rod 14 is fixedly connected to the surface of the sector plate 12, a suction pipe 15 is fixedly connected to the other end of the elastic rod 14, a movable rod 13 is fixedly connected to the surface of the sector plate 12, an annular chute is formed in the surface of the suction head 11, and the sector plate 12 is movably connected in the annular chute of the suction head 11.
The arch plate 32 slides along the sliding groove on the surface of the fixed frame 31, the inflection point of the arch plate 32 pushes the rotating rod 34 to rotate along the self midpoint, the pressing rod 35 is driven to push the hot welding plate 41 to move towards the suction opening of the packaging bag, the welding function is achieved, the connecting function of the connecting rod 42 is matched, so that the arc plate 43 moves towards one end of the movable rod 13, the movable rod 13 and the fan-shaped plate 12 are pushed to move along the annular sliding groove on the surface of the suction head 11, the suction head 11 is closed, and the function of closing the suction opening is achieved.
Example two:
referring to fig. 2, a device for preventing a product from being damaged due to excessive air suction for vacuum packaging comprises a separating mechanism 2 and a transmission mechanism 3, wherein the separating mechanism 2 comprises a trapezoidal block 21 inside, a spring 22 is fixedly connected to one side surface of the trapezoidal block 21, telescopic rods 23 are movably connected to two side surfaces of the trapezoidal block 21 close to the spring 22, and limiting rods 24 are fixedly connected to the surfaces of the telescopic rods 23.
Further, the inside of the suction mechanism 1 includes a suction head 11, a sector plate 12 is movably connected to the surface of the suction head 11, an elastic rod 14 is fixedly connected to the surface of the sector plate 12, a suction pipe 15 is fixedly connected to the other end of the elastic rod 14, a movable rod 13 is fixedly connected to the surface of the sector plate 12, an annular chute is formed in the surface of the suction head 11, and the sector plate 12 is movably connected in the annular chute of the suction head 11.
The hot welding plate 41 moves towards the suction opening of the packaging bag, drives the bottom of the L-shaped rod 44 to extrude the limiting rod 24, drives the telescopic rod 23 to extend, pushes the trapezoidal block 21 to move towards the side surface of the suction pipe 15, plays a role in separation, enables the inclined surface of the trapezoidal block 21 to be inserted between the suction pipe 15 and the suction opening of the packaging bag, separates the suction pipe 15 from the packaging bag, and plays a role in pushing separation.
Example three:
referring to fig. 1-5, an apparatus for preventing a product from being damaged due to excessive air suction for vacuum packaging includes a separating mechanism 2 and a transmission mechanism 3, wherein the separating mechanism 2 is movably connected to two side surfaces of the suction mechanism 1, a welding mechanism 4 is movably connected to upper and lower surfaces of the suction mechanism 1, and the transmission mechanism 3 is movably connected to two side surfaces of the welding mechanism 4.
The suction head 11 is inserted into the packaging bag to suck air, when food in the packaging bag deforms, the arch plate 32 is extruded outwards, the arch plate 32 slides along the surface sliding groove of the fixed frame 31, the inflection point of the arch plate 32 pushes the rotating rod 34 to rotate along the midpoint of the rotating rod, the pressing rod 35 is driven to push the hot welding plate 41 to move towards the suction opening of the packaging bag, the connection effect of the connecting rod 42 is matched, the arc plate 43 moves towards one end of the movable rod 13, the movable rod 13 and the fan-shaped plate 12 are pushed to move along the annular sliding groove on the surface of the suction head 11, the suction head 11 is closed, the elastic rod 14 is stretched in the process, power is provided for resetting of the fan-shaped plate 12, and then the two hot welding plates 41 are matched to extrude from two sides of the suction opening of the packaging bag to perform hot welding.
The hot welding plate 41 moves towards the suction opening of the packaging bag, the bottom of the L-shaped rod 44 is driven to extrude the limiting rod 24, the telescopic rod 23 is driven to extend, the trapezoidal block 21 is pushed to move towards the side face of the suction pipe 15, the inclined face of the trapezoidal block 21 is inserted between the suction pipe 15 and the suction opening of the packaging bag, the suction pipe 15 is separated from the packaging bag, the spring 22 is stretched to accumulate elastic potential energy, and power is provided for resetting the trapezoidal block 21.
Fixed surface of telescopic link 23 is connected with gag lever post 24, drive mechanism 3's inside includes mount 31, mount 31's surperficial swing joint has arch shaped plate 32, arch shaped plate 32's one end fixedly connected with spring wire 33, the spout has been seted up on mount 31's surface, a slider swing joint is passed through at the spout on mount 31 surface to arch shaped plate 32's one end, spring wire 33's other end fixed connection is on mount 31 surperficial spout inner wall, arch shaped plate 32's inflection point department swing joint has bull stick 34, a side at mount 31 is located through a pivot swing joint to the mid point of bull stick 34, the one end swing joint of bull stick 34 has depression bar 35, the surperficial swing joint of bull stick 34 has extension spring 36.
The other end swing joint of extension spring 36 is in the side of mount 31, the one end swing joint that trapezoidal piece 21 was kept away from to telescopic link 23 is on the surface of mount 31, welding mechanism 4's inside includes hot welding board 41, the fixed surface of hot welding board 41 is connected with connecting rod 42, the one end fixedly connected with arc 43 that hot welding board 41 was kept away from to connecting rod 42, one side that connecting rod 42 was kept away from to arc 43 is the arcwall, the bottom at arc 43 both ends is provided with the stopper, the one end swing joint that sector plate 12 was kept away from to movable rod 13 is on the arcwall of arc 43, a side fixedly connected with L shape pole 44 of hot welding board 41, the perpendicular surface of connecting at telescopic link 23 of one end of gag lever post 24, L shape pole 44 is L shape, gag lever post 24 swing joint is in the bottom on L shape pole 44 surface.
The working principle is as follows: the suction head 11 is inserted into the packaging bag to suck air, when food in the packaging bag deforms, the arch plate 32 is extruded outwards, the arch plate 32 slides along the surface sliding groove of the fixed frame 31, the inflection point of the arch plate 32 pushes the rotating rod 34 to rotate along the midpoint of the rotating rod, the pressing rod 35 is driven to push the hot welding plate 41 to move towards the suction opening of the packaging bag, the connection effect of the connecting rod 42 is matched, the arc plate 43 moves towards one end of the movable rod 13, the movable rod 13 and the fan-shaped plate 12 are pushed to move along the annular sliding groove on the surface of the suction head 11, the suction head 11 is closed, the elastic rod 14 is stretched in the process, power is provided for resetting of the fan-shaped plate 12, and then the two hot welding plates 41 are matched to extrude from two sides of the suction opening of the packaging bag to perform hot welding.
The hot welding plate 41 moves towards the suction opening of the packaging bag, the bottom of the L-shaped rod 44 is driven to extrude the limiting rod 24, the telescopic rod 23 is driven to extend, the trapezoidal block 21 is pushed to move towards the side face of the suction pipe 15, the inclined face of the trapezoidal block 21 is inserted between the suction pipe 15 and the suction opening of the packaging bag, the suction pipe 15 is separated from the packaging bag, the spring 22 is stretched to accumulate elastic potential energy, and power is provided for resetting the trapezoidal block 21.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A device for preventing excessive air suction from causing product damage for vacuum packaging is characterized in that: including separating mechanism (2), drive mechanism (3), separating mechanism's (2) inside includes trapezoidal piece (21), and a side fixedly connected with spring (22) of trapezoidal piece (21), the equal swing joint in both sides face that trapezoidal piece (21) are close to spring (22) has telescopic link (23), and the fixed surface of telescopic link (23) is connected with gag lever post (24).
2. The apparatus for preventing damage to a product by excessive suction of air for vacuum packaging as claimed in claim 1, wherein: the inside of drive mechanism (3) includes mount (31), the surperficial swing joint of mount (31) has arch shaped plate (32), the one end fixedly connected with spring silk (33) of arch shaped plate (32), the spout has been seted up on the surface of mount (31), the spout on mount (31) surface is passed through a slider swing joint to the one end of arch shaped plate (32), the other end fixed connection of spring silk (33) is on mount (31) surface spout inner wall, the flex point department swing joint of arch shaped plate (32) has bull stick (34), the midpoint department of bull stick (34) is through a pivot swing joint in a side of mount (31), the one end swing joint of bull stick (34) has depression bar (35), the surperficial swing joint of bull stick (34) has extension spring (36), the other end swing joint of extension spring (36) is in the side of mount (31), the one end swing joint that trapezoidal piece (21) was kept away from in telescopic link (23) is on the surface of mount (31).
3. The apparatus for preventing damage to a product by excessive suction of air for vacuum packaging as claimed in claim 1, wherein: still include suction mechanism (1), the inside of suction mechanism (1) includes suction head (11), and the surface swing joint of suction head (11) has sector plate (12), and the fixed surface of sector plate (12) is connected with elastic rod (14), and the other end fixedly connected with suction tube (15) of elastic rod (14), the fixed surface of sector plate (12) is connected with movable rod (13), and annular spout has been seted up on the surface of suction head (11), and sector plate (12) swing joint is in the annular spout of suction head (11).
4. The apparatus for preventing damage to a product by excessive suction of air for vacuum packaging as claimed in claim 1, wherein: still include welding mechanism (4), the inside of welding mechanism (4) includes hot welding plate (41), and the fixed surface of hot welding plate (41) is connected with connecting rod (42), and one end fixedly connected with arc (43) that hot welding plate (41) were kept away from to connecting rod (42), and a side fixedly connected with L shape pole (44) of hot welding plate (41).
5. The apparatus for preventing damage to a product by excessive suction of air for vacuum packaging as claimed in claim 1, wherein: the separating mechanism (2) is movably connected to two side faces of the suction mechanism (1), the welding mechanism (4) is movably connected to the upper surface and the lower surface of the suction mechanism (1), and the transmission mechanism (3) is movably connected to two side faces of the welding mechanism (4).
6. The apparatus for preventing damage to a product by excessive suction of air for vacuum packaging as claimed in claim 1, wherein: one end of the limiting rod (24) is vertically connected to the surface of the telescopic rod (23), the L-shaped rod (44) is L-shaped, and the limiting rod (24) is movably connected to the bottom of the surface of the L-shaped rod (44).
7. The apparatus for preventing the damage of the product caused by the excessive suction of the air for vacuum packaging as set forth in claim 4, wherein: one side face, far away from the connecting rod (42), of the arc-shaped plate (43) is an arc-shaped face, the bottoms of the two ends of the arc-shaped plate (43) are provided with limiting blocks, and one end, far away from the sector plate (12), of the movable rod (13) is movably connected to the arc-shaped face of the arc-shaped plate (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110778288.5A CN113335597A (en) | 2021-07-09 | 2021-07-09 | Vacuum packaging is with preventing that excessive suction air from causing device of product damage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110778288.5A CN113335597A (en) | 2021-07-09 | 2021-07-09 | Vacuum packaging is with preventing that excessive suction air from causing device of product damage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113335597A true CN113335597A (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110778288.5A Withdrawn CN113335597A (en) | 2021-07-09 | 2021-07-09 | Vacuum packaging is with preventing that excessive suction air from causing device of product damage |
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| CN (1) | CN113335597A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879602A (en) * | 2021-11-05 | 2022-01-04 | 刘艳玲 | Method for vacuum packaging cooked food |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH072233A (en) * | 1992-05-15 | 1995-01-06 | Toyo Jidoki Co Ltd | Degassing device for automatic packaging machine |
| KR20180001193A (en) * | 2016-06-27 | 2018-01-04 | 박병무 | Vacuum packaging device |
| CN206969045U (en) * | 2017-07-14 | 2018-02-06 | 吉林工程技术师范学院 | A kind of vacuum packaging equipment for food processing storage |
| CN209080263U (en) * | 2018-11-26 | 2019-07-09 | 厦门巧亿科技有限公司 | Air extractor in a kind of bag for packing machine |
| CN111661393A (en) * | 2020-07-14 | 2020-09-15 | 孟强 | Food vacuum packaging equipment |
| CN212313974U (en) * | 2020-05-14 | 2021-01-08 | 青岛金兴达包装有限公司 | Full-automatic vacuum packaging machine set |
| CN212580236U (en) * | 2020-07-10 | 2021-02-23 | 福建顺鑫鑫源食品有限公司 | Small beef packaging bag vacuumizing device |
| CN112550809A (en) * | 2020-12-17 | 2021-03-26 | 倪美锦 | Vacuum packaging method for food production |
-
2021
- 2021-07-09 CN CN202110778288.5A patent/CN113335597A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH072233A (en) * | 1992-05-15 | 1995-01-06 | Toyo Jidoki Co Ltd | Degassing device for automatic packaging machine |
| KR20180001193A (en) * | 2016-06-27 | 2018-01-04 | 박병무 | Vacuum packaging device |
| CN206969045U (en) * | 2017-07-14 | 2018-02-06 | 吉林工程技术师范学院 | A kind of vacuum packaging equipment for food processing storage |
| CN209080263U (en) * | 2018-11-26 | 2019-07-09 | 厦门巧亿科技有限公司 | Air extractor in a kind of bag for packing machine |
| CN212313974U (en) * | 2020-05-14 | 2021-01-08 | 青岛金兴达包装有限公司 | Full-automatic vacuum packaging machine set |
| CN212580236U (en) * | 2020-07-10 | 2021-02-23 | 福建顺鑫鑫源食品有限公司 | Small beef packaging bag vacuumizing device |
| CN111661393A (en) * | 2020-07-14 | 2020-09-15 | 孟强 | Food vacuum packaging equipment |
| CN112550809A (en) * | 2020-12-17 | 2021-03-26 | 倪美锦 | Vacuum packaging method for food production |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879602A (en) * | 2021-11-05 | 2022-01-04 | 刘艳玲 | Method for vacuum packaging cooked food |
| CN113879602B (en) * | 2021-11-05 | 2022-12-13 | 重庆培君香熹生物科技有限公司 | Method for vacuum packaging cooked food |
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Application publication date: 20210903 |
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