CN217171068U

CN217171068U - Nitrogen sealing packaging equipment for easily oxidized and deteriorated product

Info

Publication number: CN217171068U
Application number: CN202122490786.8U
Authority: CN
Inventors: 马飞鸿; 杜项龙; 马士忠
Original assignee: Shanghai Hanhong Technology Co ltd
Current assignee: Shanghai Hanhong Technology Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-08-12
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses an easy oxidation rotten product nitrogen gas seal equipment for packing belongs to fine chemistry industry technical field. Easy oxidation rotten product nitrogen gas seals equipment for packing includes vacuum box and last vacuum lid down, still includes: the supporting blocks are fixedly connected in the lower vacuum box and the upper vacuum cover respectively; the sealing slide block is connected to the supporting block in a sliding manner; the spring is arranged at the bottom of the sealing slide block; the three-way valve is fixedly connected to the lower vacuum box; the utility model discloses can take out oxygen through holistic environment in the three-way valve to equipment to avoid easy oxidation rotten product in the wrapping bag to be extruded by inside and outside pressure difference and become the piece, then fill into nitrogen gas in the wrapping bag, until wrapping bag internal gas pressure slightly be greater than external atmospheric pressure after, seal the wrapping bag through sealed slider, thereby fully to easy oxidation rotten product fill nitrogen packaging protection, prolonged the shelf life of easy oxidation rotten product.

Description

Nitrogen sealing packaging equipment for easily oxidized and deteriorated product

Technical Field

The utility model relates to a fine chemistry industry technical field especially relates to easy oxidation rotten product nitrogen gas seal equipment for packing.

Background

In the fields of fine chemicals and medicines, some products are easily oxidized and absorb moisture under vacuum to deteriorate, so that the products need to be reprocessed, and unavoidable economic loss or unnecessary return goods are caused. The common solution is to pack the product under vacuum and inert gas protection and then put the product in storage.

The vacuum packaging equipment is used for vacuumizing the packaging bag and sealing the packaging bag so as to effectively prevent the product in the packaging bag from being stored and deteriorated for a long time, sometimes the product is easy to agglomerate after being vacuumized, and at the moment, the packaging equipment needs to be firstly vacuumized and then sealed by nitrogen gas.

Most of the existing nitrogen-gas sealing packaging equipment firstly vacuumizes the packaging bag and then recharges nitrogen, and during the vacuumization process, the vacuum degree in the packaging bag is pumped to a higher state, so that the external atmospheric pressure extrudes the product which is easy to oxidize and deteriorate, and the product forms blocks; and when the vacuum degree in the packaging bag is pumped to a low level, more air is left in the packaging bag, the products which are easy to oxidize and deteriorate cannot be stored for a long time, and the products which are easy to oxidize and deteriorate are oxidized and deteriorated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the nitrogen-gas sealing packaging of the easy-to-oxidize and deteriorated product is difficult in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

easy oxidation rotten product nitrogen gas seals equipment for packing, including lower vacuum box and last vacuum lid, it rotates to connect under on the vacuum box to go up the vacuum lid, still includes: the supporting blocks are fixedly connected in the lower vacuum box and the upper vacuum cover respectively, and heating sealing strips are fixedly connected to the supporting blocks; the sealing slide block is connected to the supporting block in a sliding manner; the spring is arranged at the bottom of the sealing slide block and used for driving the two sealing slide blocks to approach each other; the three-way valve is fixedly connected to the lower vacuum box; the air guide pipe is connected into one end, extending into the lower vacuum box, of the three-way valve in a sliding manner, a first guide pipe and a second guide pipe are communicated with the air guide pipe, a one-way valve is arranged in the first guide pipe, and a pressure valve is arranged in the second guide pipe; and the electric telescopic rod is fixedly connected in the lower vacuum box, and the telescopic end of the electric telescopic rod is fixedly connected with the air guide tube through a connecting block.

In order to lock the upper vacuum cover and the lower vacuum box, it is preferable that a locking mechanism is provided on the upper vacuum cover.

In order to lock the device, the locking mechanism further comprises a lock head which is rotatably connected to the upper vacuum cover, and the lower vacuum box is provided with a lock hole corresponding to the lock head.

In order to ensure good air tightness in the locked device, sealing strips are fixedly connected to the upper vacuum cover and the lower vacuum box.

In order to facilitate the air duct to slide into the packaging bag, preferably, one end of the spring is fixedly connected with the bottom of the sealing slide block, the other end of the spring is fixedly connected with the inner wall of the lower vacuum box or the inner wall of the upper vacuum cover, and the air duct corresponds to the sealing slide block.

In order to facilitate observation of the air pressure in the equipment, preferably, an air pressure gauge is embedded on the upper vacuum cover and is communicated with the inside of the upper vacuum cover.

Compared with the prior art, the utility model provides an easy oxidation rotten product nitrogen gas seal equipment for packing possesses following beneficial effect:

1. this easy oxidation rotten product nitrogen gas seals equipment for packing carries out the evacuation decompression to holistic environment in the equipment through the three-way valve to under the circumstances of the abundant extraction of vacuum in the assurance to the wrapping bag, avoided easy oxidation rotten product in the wrapping bag to be extruded by inside and outside atmospheric pressure difference and blocky.

2. This easy oxidation rotten product nitrogen gas seals equipment for packing fills nitrogen gas in to equipment through the three-way valve, and the atmospheric pressure in the use equipment equals with external atmospheric pressure, is convenient for open equipment after the packing is accomplished.

3. This easy oxidation rotten product nitrogen gas seals equipment for packing fills the in-process of nitrogen gas through going on in the air duct to equipment, can at first inflate the inflation to the wrapping bag because the pressure valve restriction on the second pipe makes the atmospheric pressure in the wrapping bag slightly be greater than the atmospheric pressure of wrapping bag to guarantee that the wrapping bag is the inflation and inside is full of the nitrogen gas state after sealing, can fully guarantee the quality to easy oxidation rotten product.

The device does not relate to the part and all is the same with prior art or can adopt prior art to realize, the utility model discloses can carry out the evacuation through the holistic environment in the three-way valve to equipment to avoid the easy oxidation rotten product in the wrapping bag to be extruded by inside and outside pressure differential to be blocky, then fill into nitrogen gas in the wrapping bag, until wrapping bag internal gas pressure slightly be greater than external atmospheric pressure after, seal the wrapping bag through sealed slider, thereby fully to the easy oxidation rotten product fill nitrogen packaging protection, prolonged the shelf life of the easy oxidation rotten product.

Drawings

FIG. 1 is a first structural schematic diagram of the nitrogen-gas sealing packaging equipment for the easily oxidized and deteriorated product provided by the present invention;

FIG. 2 is a second schematic structural diagram of the nitrogen-gas sealing packaging device for the easily oxidized and deteriorated product of the present invention;

FIG. 3 is a third schematic structural view of the nitrogen-sealed packaging equipment for the easily oxidized and deteriorated product of the present invention;

fig. 4 is a schematic structural view of a part a in fig. 3 of the nitrogen-sealed packaging equipment for the easily oxidized and deteriorated product of the present invention.

In the figure: 1. a lower vacuum box; 101. a lock hole; 2. putting a vacuum cover; 201. a lock head; 202. a barometer; 3. a three-way valve; 4. a sealing strip; 5. an air duct; 501. a first conduit; 502. a second conduit; 6. a support block; 601. heating the sealing strip; 602. sealing the sliding block; 603. a spring; 7. an electric telescopic rod; 701. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-4, the nitrogen-sealed packaging device for the easily oxidized and deteriorated product comprises a lower vacuum box 1 and an upper vacuum cover 2, wherein the upper vacuum cover 2 is rotatably connected to the lower vacuum box 1, and the nitrogen-sealed packaging device further comprises: a supporting block 6 fixedly connected in the lower vacuum box 1 and the upper vacuum cover 2 respectively, and a heating sealing strip 601 is fixedly connected on the supporting block 6; a sealing slide block 602 which is connected to the supporting block 6 in a sliding manner; the spring 603 is arranged at the bottom of the sealing slide blocks 602 and is used for driving the two sealing slide blocks 602 to approach each other; a supporting block 6 and a heating sealing strip 601. The sealing slide block 602 and the spring 603 are symmetrically arranged in the upper vacuum cover 2 and the lower vacuum box 1, and the three-way valve 3 is fixedly connected on the lower vacuum box 1; the air duct 5 is connected into one end of the three-way valve 3 extending into the lower vacuum box 1 in a sliding manner, a first conduit 501 and a second conduit 502 are communicated with the air duct 5, a one-way valve is arranged in the first conduit 501, and a pressure valve is arranged in the second conduit 502; electric telescopic handle 7, fixed connection is in vacuum box 1 down, and the flexible end of electric telescopic handle 7 passes through connecting block 701 and air duct 5 fixed connection.

Go up and be equipped with locking mechanism on the vacuum lid 2, locking mechanism includes tapered end 201, tapered end 201 rotates and connects on last vacuum lid 2, set up the lockhole 101 corresponding with tapered end 201 on the lower vacuum box 1, go up vacuum lid 2 and lower vacuum box 1 on equal fixedly connected with sealing strip 4, spring 603 one end and seal slide 602 bottom fixed connection, the spring 603 other end and lower vacuum box 1 inner wall or the 2 inner wall fixed connections of upper vacuum lid, air duct 5 is corresponding with seal slide 602, the gomphosis has barometer 202 on the upper vacuum lid 2, barometer 202 and the interior intercommunication of upper vacuum lid 2.

In the using process of the device, a packaging bag filled with products which are easy to oxidize and deteriorate can be placed in the lower vacuum box 1, the opening of the packaging bag is placed on the heating sealing strip 601, the sealing slide block 602 is manually pressed to move the sealing slide block 602 downwards, the opening of the packaging bag is opened, the electric telescopic rod 7 is controlled to extend, the air guide pipe 5 is driven to slide through the connecting block 701 in the extending process of the electric telescopic rod 7, one end, away from the three-way valve 3, of the air guide pipe 5 is made to slide into the opening of the packaging bag, then the sealing slide block 602 is loosened, the upper vacuum cover 2 is rotated, the upper vacuum cover 2 is closed on the lower vacuum box 1, the upper vacuum cover 2 is locked through the locking mechanism, specifically, the tapered end 201 on the upper vacuum cover 2 is rotated to enable one end of the tapered end to be clamped in the lock hole 101 formed in the lower vacuum box 1, so that the locking purpose is achieved, at the moment, the heating sealing strip 601 in the lower vacuum box 1 and the heating sealing strip 601 in the upper vacuum cover 2 are opposite to be attached to each other, when the heating sealing strip 601 on the supporting block 6 is started, the heating sealing strip 601 generates heat to heat the mouth of the packaging bag, so that the mouth of the packaging bag is sealed, and only one through hole which is attached to and sleeved with the outer surface of the air duct 5 is reserved.

The three-way valve 3 is positioned at two ports outside the box, one end of the three-way valve 3 is communicated with a vacuum air extractor, the other end of the three-way valve 3 is communicated with a nitrogen gas charging device, after the lower vacuum box 1 and the upper vacuum cover 2 are locked and closed, the three-way valve 3 is adjusted, one end of the three-way valve 3 and one end of the vacuum air extracting rotating shaft are communicated with one end positioned in the box, the vacuum air extracting rotating shaft is started, the air guide pipe 5 which is connected to the three-way valve 3 in a sliding way is extracted through the three-way valve 3, when the air guide pipe 5 is used for sucking air in the device, one end of the air guide pipe 5 positioned in the packaging bag can extract air for the packaging bag, the first guide pipe 501 communicated with the air guide pipe 5 can also extract air in and out of the device, so that the vacuum inside and outside the packaging bag can be extracted synchronously, the same air pressure can be preserved, the vacuum in the packaging bag can be extracted to the maximum degree, and products which are easy to be oxidized and deteriorated in the packaging bag can not be extruded and pressed into blocks outside, the vacuum degree in the device can be checked through the air pressure gauge 202 arranged on the upper vacuum cover 2.

When the vacuum degree is reached, the three-way valve 3 is adjusted to enable one end of the three-way valve 3 connected with the nitrogen filling device to be communicated with one end of the box, the nitrogen filling device is used for filling nitrogen into the air guide pipe 5, the nitrogen entering the air guide pipe 5 is filled into the packaging bag filled with the easily oxidized and deteriorated product under the sealing condition of the one-way valve on the first guide pipe 501 and the pressure valve on the second guide pipe 502, when the difference between the air pressure in the packaging bag and the air pressure in the equipment reaches the threshold value of the pressure valves, the filled nitrogen is shunted, one part of the nitrogen enters the packaging bag, the other part of the nitrogen enters the equipment through the pressure valve on the second guide pipe 502 until the air pressure in the equipment is consistent with the external atmospheric pressure, the nitrogen can be checked through the air pressure gauge 202, so that the device can be opened subsequently, the phenomenon that the pressure difference between the air pressure in the packaging bag and the external atmospheric pressure is too large to cause extrusion or expansion and breakage can be avoided after the device is opened, and then the electric telescopic rod 7 is controlled to be shortened, so that the air guide pipe 5 is driven to slide out of the through hole at the opening of the packaging bag through the connecting block 701, at the moment, the two sealing slide blocks 602 move close to each other under the action of the spring 603 and are tightly attached together, heat on the heating sealing strip 601 can be transmitted to the sealing slide blocks 602, so that the sealing slide blocks 602 heat, melt and seal the packaging bag at the through hole of the packaging bag and are attached together, at the moment, the packaging bag filled with the easily oxidized and deteriorated product is expanded and is filled with nitrogen, and slightly larger than the internal air pressure of the equipment, so that the upper vacuum cover 2 can be opened and taken out to be filled with the easily oxidized and deteriorated product packaging bag.

It should be noted that the difference between the nitrogen gas filled in the bag and the external atmospheric pressure is specifically related to the pressure valve installed on the second conduit 502, and the pressure valve can be adjusted according to the material of the bag during the actual use process.

The utility model discloses can carry out the evacuation through holistic environment in the three-way valve 3 to equipment to avoid easy oxidation rotten product in the wrapping bag to be extruded by inside and outside pressure differential and blocking, then fill into nitrogen gas in the wrapping bag, until wrapping bag internal gas pressure slightly be greater than external atmospheric pressure after, seal the wrapping bag through sealed slider 602, thereby under the easy oxidation rotten product prerequisite of not damaging, fully fill nitrogen packaging protection to easy oxidation rotten product, prolonged the shelf life of easy oxidation rotten product.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Easy oxidation rotten product nitrogen gas seals equipment for packing includes vacuum box (1) and last vacuum cover (2) down, go up vacuum cover (2) and rotate to be connected under on vacuum box (1), its characterized in that still includes: the supporting blocks (6) are respectively and fixedly connected with the lower vacuum box (1) and the upper vacuum cover (2), and the heating sealing strips (601) are fixedly connected to the supporting blocks (6); the sealing sliding block (602) is connected to the supporting block (6) in a sliding manner; the spring (603) is arranged at the bottom of the sealing sliding block (602) and is used for driving the two sealing sliding blocks (602) to approach; the three-way valve (3) is fixedly connected to the lower vacuum box (1); the air guide pipe (5) is connected into one end, extending into the lower vacuum box (1), of the three-way valve (3) in a sliding mode, a first guide pipe (501) and a second guide pipe (502) are communicated with the air guide pipe (5), a one-way valve is arranged in the first guide pipe (501), and a pressure valve is arranged in the second guide pipe (502); and the electric telescopic rod (7) is fixedly connected in the lower vacuum box (1), and the telescopic end of the electric telescopic rod (7) is fixedly connected with the air guide pipe (5) through a connecting block (701).

2. The nitrogen-sealed packaging device for the easily oxidized and deteriorated product as claimed in claim 1, wherein a locking mechanism is arranged on the upper vacuum cover (2).

3. The nitrogen-gas sealing packaging device for the easily oxidized and deteriorated product as claimed in claim 2, wherein the locking mechanism comprises a locking head (201), the locking head (201) is rotatably connected to the upper vacuum cover (2), and the lower vacuum box (1) is provided with a locking hole (101) corresponding to the locking head (201).

4. The nitrogen-sealed packaging device for the easily oxidized and deteriorated product as claimed in claim 3, wherein the upper vacuum cover (2) and the lower vacuum box (1) are both fixedly connected with sealing strips (4).

5. The nitrogen-gas sealing packaging device for the easily oxidized and deteriorated product as claimed in claim 1, wherein one end of the spring (603) is fixedly connected with the bottom of the sealing slider (602), the other end of the spring (603) is fixedly connected with the inner wall of the lower vacuum box (1) or the inner wall of the upper vacuum cover (2), and the gas-guide tube (5) corresponds to the sealing slider (602).

6. The nitrogen-sealed packaging device for the easily oxidized and deteriorated product as claimed in claim 1, wherein an air pressure gauge (202) is embedded in the upper vacuum cover (2), and the air pressure gauge (202) is communicated with the inside of the upper vacuum cover (2).