阅读说明：本技术 连续式真空气调包装机 (Continuous vacuum gas-control packing device ) 是由 倪日北 杨瑞生 毛立新 常红娜 任晓俊 于 2019-08-20 设计创作，主要内容包括：连续式真空气调包装机,属于食品包装设备技术领域,解决复合保鲜气体中各组分气体填充量精确并且混合均匀的技术问题,解决方案为：本装置包括复合保鲜气体预混装置和真空气调包装装置,复合保鲜气体预混装置包括储气罐、充气电磁阀、气体流量调节器、气体逆止阀、射流器和气体混合恒压罐,真空气调包装装置包括包装盒输入输送带、包装盒输出输送带与密封合模装置,密封合模装置包括上密封仓、下密封仓和包装盒托架。本发明中将各组分气体在射流器中通过混合风叶均匀混合,充分气体均匀混合,同时上下仓采用一次成型技术,混合气体进入仓体结构为多方位、多角度,提高了密封仓密封性能和气体置换率,使食品保鲜质量好、保质周期长。(Continuous vacuum gas-control packing device, belong to food packing device technical field, solve the technical problem that each component gas loading is accurate and uniformly mixed in composite fresh-keeping gas, solution are as follows: the present apparatus includes the gas pre-mixed device of composite fresh-keeping and vacuum controlled atmospheric packing device, the gas pre-mixed device of composite fresh-keeping includes air accumulator, inflate solenoid valve, gas flow adjuster, gas check valve, ejector and gas mixing constant-pressure tank, vacuum controlled atmospheric packing device includes packing box infeed conveyor belt, packing box exports conveyer belt and sealing mold closing mechanism, sealing mold closing mechanism includes upper gas-tight silo, lower gas-tight silo and packing box bracket.Each component gas is uniformly mixed in ejector by mixing fan blade in the present invention, abundant gas uniformly mixes, storehouse uses one-shaping technique up and down simultaneously, it is multi-faceted, multi-angle that mixed gas, which enters warehouse structure, gas-tight silo sealing performance and gas replacement rate are improved, makes that fresh keeping quality is good, the period of guaranteeing the quality is long.)

1. continuous vacuum gas-control packing device, it includes the gas pre-mixed device of composite fresh-keeping and vacuum controlled atmospheric packing device, spy Sign is:

The gas pre-mixed device of composite fresh-keeping includes air accumulator (1), inflation solenoid valve (2), gas flow adjuster (3), gas Body non-return valve (4), ejector (5) and gas mixing constant-pressure tank (8), the gas outlet of several air accumulators (1) passes through respectively to be filled Pneumoelectric magnet valve (2) is connected to the air inlet of corresponding several gas flow adjusters (3), several gas flow adjusters (3) Gas outlet passes through gas check valve (4) respectively and is connected to the air inlet of ejector (5), close to the position of air inlet in ejector (5) The place of setting is provided with mixing fan blade (7), and ejector (5) is external to be equipped with radiator (6) at the position of air inlet, ejector (5) Gas outlet be connected to the air inlet of gas mixing constant-pressure tank (8), on the inner wall of gas mixing constant-pressure tank (8) along gas mixing perseverance The axis direction dislocation of pressure tank (8) is disposed with several arc flow baffles (9), the bottom setting of gas mixing constant-pressure tank (8) side wall Have automatic drain valve (11), the gas outlet of gas mixing constant-pressure tank (8) passes through demand valve (10) and the vacuum controlled atmosphere packet The air inlet of assembling device is connected to；The inflation solenoid valve (2), gas flow adjuster (3), gas check valve (4), automatic feeding Valve (10) and automatic drain valve (11) are electrically connected with the control module in control cabinet respectively；

The vacuum controlled atmospheric packing device includes that packing box infeed conveyor belt (28), packing box output conveyer belt (35) and sealing are closed Mold device is placed with packing box to be packaged (13) on the packing box infeed conveyor belt (28), and packing box is set above (13) It is equipped with the discharge port of quantitative discharging device (14), the conveying end of packing box infeed conveyor belt (28) is along packing box infeed conveyor belt (28) conveying direction is provided with clamping device slide bar (15), and packing box Pneumatic clamping bar is provided on clamping device slide bar (15) (16), packing box Pneumatic clamping bar (16) clamps packing box (13) and is delivered to sealing mold closing mechanism along clamping device slide bar (15)；

The sealing mold closing mechanism includes upper gas-tight silo (19), lower gas-tight silo (30) and packing box bracket (32), upper gas-tight silo (19) it is oppositely arranged with lower gas-tight silo (30), upper gas-tight silo (19) is fastened on the top of lower gas-tight silo (30), and gaseous mixture enters pipe (29) be connected to respectively with the air inlet of the air inlet of upper gas-tight silo (19) and lower gas-tight silo (30), vacuum exhaust pipe (25) respectively with The gas outlet of upper gas-tight silo (19) is connected to the gas outlet of lower gas-tight silo (30), and the lower section of sealing mold closing mechanism outlet is provided with packet Mounted box exports conveyer belt (35)；

The top of upper gas-tight silo (19) center portion is provided with cutter driving cylinder (24) straight down, cutter driving cylinder (24) Piston rod extend to the inside of gas-tight silo (19), cutter driving cylinder (24) piston through the upper surface of upper gas-tight silo (19) The lower end of bar is fixedly connected with cutoff knife rack (20), and several heat for thermoplastic sealer are provided on the lower surface of cutoff knife rack (20) It seals mold (22), reset spring (21) is provided between heat seal die (22) and cutoff knife rack (20), are located on cutoff knife rack (20) The head and the tail both ends of heat seal die (22) are separately provided for the cutter (23) of cutting sealed plastic foil；

It has been arranged vertically upwards below the lower gas-tight silo (30) sealing cylinder (31,34), under sealing cylinder (31,34) driving Gas-tight silo (30) does mould assembling action straight up, has been arranged vertically upwards packing box below lower gas-tight silo (30) center portion and has moved up gas Cylinder (33), the piston rod that packing box moves up cylinder (33) extend in lower gas-tight silo (30) through the bottom surface of lower gas-tight silo (30), The upper end that packing box moves up cylinder (33) piston rod is fixedly connected packing box bracket (32), and packing box (13) is delivered to packing box support Lower section in frame (32) and positioned at corresponding heat seal die (22)；

It is provided with continuous sealing plastic foil between the upper gas-tight silo (19), lower gas-tight silo (30), seals the head end of plastic foil It is wrapped on sealed membrane winding roller (17), the tail end for sealing plastic foil is wrapped on useless film winding roller (26), is twined close to sealed membrane The side of roller (17) is provided with preceding idler roller (18), the side close to useless film winding roller (26) is provided with rear idler roller (27), Seal plastic foil successively by preceding idler roller (18) with after idler roller (27).

2. continuous vacuum gas-control packing device according to claim 1, it is characterised in that: the air accumulator (1) is provided with Four, CO is separately filled with according to the condition of storage of fresh-keeping foodstuff in four air accumulators₂、O₂、N₂Or inert gas.

3. continuous vacuum gas-control packing device according to claim 1, it is characterised in that: the radiator (6) is water cooling Sleeve is provided with the interlayer for being passed through recirculated cooling water on the side wall of water cooling sleeve.

4. continuous vacuum gas-control packing device according to claim 1, it is characterised in that: the upper gas-tight silo (19) it is upper The air gauge (36) for detecting upper gas-tight silo (19) interior pressure, air gauge (36) and demand valve are additionally provided on surface (10) it is electrically connected, air gauge (36) detected pressure signal is sent to demand valve (10) by signal wire, is controlled Demand valve (10) is turned on or off.

Technical field

The invention belongs to food packing device technical fields, and in particular to be continuous vacuum gas-control packing device.

Background technique

In current existing preservation technology, fresh chemically is using chemicals antiseptic and inhibiting bacteria function, but because consumer pays close attention to Preservative side effect and be restricted；The shortcoming of freeze preservation is that taste changes after food product refrigeration；Vacuumize high temperature The shortcomings that sterilizing be the distinctive taste to food, mouthfeel, nutrition destroy it is larger；Nitrogen-filled packaging can preferably keep the mouth of food Sense, taste and nutrition, but aseptic packaging environment is needed, it is high to environmental requirement, need larger investment；Compound controlled atmosphere is to packaging ring Border requirement is corresponding lower, without big investment, it is only necessary to pack environment ultraviolet light or ozone sterilization and to operator etc. Soft environment makees corresponding specification, its main feature is that being not necessarily to high-temperature sterilization.Thus compound controlled atmosphere can ensure that the mouth of original food Sense, taste and nutritional ingredient, really embody Normal juice, original flavor, the original appearance feature of food.

A kind of equipment that gas-control packing device is used primarily directed to preserving fruit and vegetable utilizing, a variety of battalion containing necessary for human in fruits and vegetables Substance is supported, sizable specific gravity is occupied in the consumption of people, but there is stronger seasonal, regional and fruits for its production The perishability of vegetable itself.The principle of compound gas-control packing device is using composite fresh-keeping gas (by 2~4 kinds of gases by food properties Proportion mixing), the air in packing box or packaging bag is replaced, the mesh for inhibiting bacterium (microorganism) growth procreation is reached , the gas mixed in proportion is not generated with food to react, and is only used as filling gas.Different food fruits and vegetables, fresh-keeping gas Ingredient and ratio are also different, how to make to fill each component gas loading into the composite fresh-keeping gas in packing box or packaging bag It accurately and is uniformly mixed, becomes the key technology for extending preserving fruit and vegetable utilizing effect.

Summary of the invention

To solve the technical problems existing in the prior art, filling is solved to the composite fresh-keeping gas in packing box or packaging bag The accurate and uniformly mixed technical problem of each component gas loading in body, the present invention provide continuous vacuum controlled atmospheric packing Machine.

The present invention is achieved by the following technical programs.

Continuous vacuum gas-control packing device, it includes the gas pre-mixed device of composite fresh-keeping and vacuum controlled atmospheric packing device, In:

The gas pre-mixed device of composite fresh-keeping include air accumulator, inflation solenoid valve, gas flow adjuster, gas check valve, Ejector and gas mixing constant-pressure tank, if the gas outlet of several air accumulators passes through inflation solenoid valve and corresponding dry gas respectively The air inlet of body flow regulator is connected to, and the gas outlet of several gas flow adjusters passes through gas check valve and ejector respectively Air inlet connection, mixing fan blade is provided in ejector at the position of air inlet, close to air inlet outside ejector Radiator is equipped at position, the gas outlet of ejector is connected to the air inlet of gas mixing constant-pressure tank, gas mixing constant-pressure tank Axis direction dislocation on inner wall along gas mixing constant-pressure tank is disposed with several arc flow baffles, gas mixing constant pressure pot sidewall Bottom is provided with automatic drain valve, and the gas outlet of gas mixing constant-pressure tank is filled by demand valve and the vacuum controlled atmospheric packing The air inlet connection set；The inflation solenoid valve, gas flow adjuster, gas check valve, demand valve and automatic-discharging Valve is electrically connected with the control module in control cabinet respectively；

The vacuum controlled atmospheric packing device includes packing box infeed conveyor belt, packing box output conveyer belt and seals mold closing mechanism, It is placed with packing box to be packaged on the packing box infeed conveyor belt, going out for quantitative discharging device is provided with above packing box Material mouth, the conveying end of packing box infeed conveyor belt are provided with clamping device along the conveying direction of packing box infeed conveyor belt and slide Bar is provided with packing box Pneumatic clamping bar on clamping device slide bar, and packing box Pneumatic clamping bar cramp hard-pressed bale mounted box is along clamping device Slide bar is delivered to sealing mold closing mechanism；

The sealing mold closing mechanism includes upper gas-tight silo, lower gas-tight silo and packing box bracket, and upper gas-tight silo and lower gas-tight silo are opposite Setting, upper gas-tight silo are fastened on the top of lower gas-tight silo, gaseous mixture enter pipe respectively with the air inlet of upper gas-tight silo and lower sealing The air inlet in storehouse is connected to, and vacuum exhaust pipe is connected to the gas outlet of the gas outlet of upper gas-tight silo and lower gas-tight silo respectively, and sealing is closed The lower section of mold device outlet is provided with packing box output conveyer belt；

The top of the upper gas-tight silo center portion is provided with cutter driving cylinder straight down, and the piston rod of cutter driving cylinder runs through The upper surface of upper gas-tight silo extends to the inside of gas-tight silo, the lower end of cutter driving cylinder piston rod and the fixed company of cutoff knife rack It connects, several heat seal dies for thermoplastic sealer is provided on the lower surface of cutoff knife rack, are arranged between heat seal die and cutoff knife rack There is reset spring, the head and the tail both ends on cutoff knife rack positioned at heat seal die are separately provided for cutting for cutting sealed plastic foil Knife；

Sealing cylinder is arranged vertically upwards below the lower gas-tight silo, sealing cylinder drives lower gas-tight silo to close straight up Mould acts, and has been arranged vertically upwards packing box below lower gas-tight silo center portion and has moved up cylinder, packing box moves up the piston rod of cylinder It is extended in lower gas-tight silo through the bottom surface of lower gas-tight silo, the upper end that packing box moves up cylinder piston rod is fixedly connected with packing box support Frame, packing box are delivered to the lower section in packing box bracket and being located at corresponding heat seal die；

Continuous sealing plastic foil is provided between the upper gas-tight silo, lower gas-tight silo, the head end for sealing plastic foil is wrapped in envelope On membrana oralis winding roller, the tail end for sealing plastic foil is wrapped on useless film winding roller, and the side close to sealed membrane winding roller is provided with Preceding idler roller is provided with rear idler roller close to the side of useless film winding roller, and sealing plastic foil successively passes through preceding idler roller and post-tensioning Tight roller.

Further, there are four the air accumulator settings, distinguished in four air accumulators according to the condition of storage of fresh-keeping foodstuff Filled with CO₂、O₂、N₂Or inert gas.

Further, the radiator is water cooling sleeve, is provided on the side wall of water cooling sleeve and is passed through recirculated cooling water Interlayer.

Further, the air pressure for detecting pressure in upper gas-tight silo is additionally provided on the upper surface of the upper gas-tight silo Table, air gauge and demand valve are electrically connected, and the detected pressure signal of air gauge is sent to automatic confession by signal wire Air valve, control demand valve are turned on or off.

The invention has the following beneficial effects:

1, since the specific gravity of each component gas in mixed gas is different, so uniformly mixed gas could really be realized to food materials Preservation, the present invention in by each component gas in ejector by mix fan blade uniformly mix, and to ejector carry out Recirculated water cooling cooling, can fully ensure that each component gas uniformly mixes, and mention for subsequent vacuum controlled atmospheric packing device sealed package The protection gas of confession can reduce the composition difference of the protective gas of each box, extend the packaged food shelf-life, and fresh-keeping effect is bright It is aobvious to be promoted.

2, the present invention solves the problems, such as gas-tight silo leakproofness, one-shaping technique is used in upper and lower storehouse, at sealed interface Precision ground processing, contact position gasket are high temperature resistant polytetrafluoro pad, eliminate slide unit and penetrate closed chamber structure, mention significantly High gas-tight silo sealing performance；Additional mixing gas enter warehouse structure be multi-faceted, multi-angle, compression type fashion of extrusion, no Dead angle is stayed, gas displacement rate is substantially increased, makes that fresh keeping quality is good, the period of guaranteeing the quality is long.

Detailed description of the invention

Fig. 1 is schematic view of the front view of the present invention.

Specific embodiment

The present invention is described in further detail with reference to the accompanying drawings and examples.

Continuous vacuum gas-control packing device as shown in Figure 1, it includes the gas pre-mixed device of composite fresh-keeping and vacuum controlled atmosphere Packing device, in which:

The gas pre-mixed device of composite fresh-keeping includes air accumulator 1, inflation solenoid valve 2, gas flow adjuster 3, gas check Valve 4, ejector 5 and gas mixing constant-pressure tank 8, the gas outlet of several air accumulators 1 pass through respectively inflation solenoid valve 2 with it is corresponding Several gas flow adjusters 3 air inlet connection, the gas outlet of several gas flow adjusters 3 passes through gas check respectively Valve 4 is connected to the air inlet of ejector 5, is provided at the position of air inlet in ejector 5 and is mixed fan blade 7, outside ejector 5 Portion is equipped with radiator 6 at the position of air inlet, and the gas outlet of ejector 5 is connected to the air inlet of gas mixing constant-pressure tank 8, Axis direction dislocation on the inner wall of gas mixing constant-pressure tank 8 along gas mixing constant-pressure tank 8 is disposed with several arc flow baffles 9, The bottom of 8 side wall of gas mixing constant-pressure tank is provided with automatic drain valve 11, and the gas outlet of gas mixing constant-pressure tank 8 by supplying automatically Air valve 10 is connected to the air inlet of the vacuum controlled atmospheric packing device；The inflation solenoid valve 2, gas flow adjuster 3, gas Non-return valve 4, demand valve 10 and automatic drain valve 11 are electrically connected with the control module in control cabinet respectively；

The vacuum controlled atmospheric packing device includes packing box infeed conveyor belt 28, packing box output conveyer belt 35 and sealing molding dress It sets, packing box 13 to be packaged is placed on the packing box infeed conveyor belt 28, the top of packing box 13, which is provided with, to be quantified Expect the discharge port of device 14, the conveying end of packing box infeed conveyor belt 28 is set along the conveying direction of packing box infeed conveyor belt 28 It is equipped with clamping device slide bar 15, packing box Pneumatic clamping bar 16, packing box Pneumatic clamping bar are provided on clamping device slide bar 15 16 clamping packing boxes 13 are delivered to sealing mold closing mechanism along clamping device slide bar 15；

The sealing mold closing mechanism includes upper gas-tight silo 19, lower gas-tight silo 30 and packing box bracket 32, and upper gas-tight silo 19 is close under Envelope storehouse 30 is oppositely arranged, and upper gas-tight silo 19 is fastened on the top of lower gas-tight silo 30, gaseous mixture enter pipe 29 respectively with upper gas-tight silo 19 air inlet is connected to the air inlet of lower gas-tight silo 30, vacuum exhaust pipe 25 respectively with the gas outlet of upper gas-tight silo 19 and under it is close The gas outlet connection in storehouse 30 is sealed, the lower section of sealing mold closing mechanism outlet is provided with packing box output conveyer belt 35；

The top of 19 center portion of upper gas-tight silo is provided with cutter driving cylinder 24, the piston of cutter driving cylinder 24 straight down Bar extends to the inside of gas-tight silo 19 through the upper surface of upper gas-tight silo 19, the lower end of 24 piston rod of cutter driving cylinder with Cutoff knife rack 20 is fixedly connected, and several heat seal dies 22 for thermoplastic sealer, heat seal die are provided on the lower surface of cutoff knife rack 20 It is provided with reset spring 21 between tool 22 and cutoff knife rack 20, the head and the tail both ends on cutoff knife rack 20 positioned at heat seal die 22 are set respectively It is equipped with the cutter 23 for cutting sealed plastic foil；

The lower section of the lower gas-tight silo 30 has been arranged vertically upwards sealing cylinder 31,34, and sealing cylinder 31,34 drives lower gas-tight silo 30 do mould assembling action straight up, have been arranged vertically upwards packing box below lower 30 center portion of gas-tight silo and have moved up cylinder 33, packaging The piston rod that box moves up cylinder 33 extends in lower gas-tight silo 30 through the bottom surface of lower gas-tight silo 30, and it is living that packing box moves up cylinder 33 The upper end of stopper rod is fixedly connected with packing box bracket 32, and packing box 13 is delivered in packing box bracket 32 and is located at corresponding heat seal die The lower section of tool 22；

It is provided with continuous sealing plastic foil between the upper gas-tight silo 19, lower gas-tight silo 30, seals the head end winding of plastic foil On sealed membrane winding roller 17, the tail end for sealing plastic foil is wrapped on useless film winding roller 26, close to sealed membrane winding roller 17 Side is provided with preceding idler roller 18, the side of useless film winding roller 26 is provided with rear idler roller 27, sealing plastic foil successively passes through Cross preceding idler roller 18 and rear idler roller 27.

Further, there are four the air accumulator settings, distinguished in four air accumulators according to the condition of storage of fresh-keeping foodstuff Filled with CO₂、O₂、N₂Or inert gas.

Further, the radiator 6 is water cooling sleeve, is provided on the side wall of water cooling sleeve and is passed through recirculated cooling water Interlayer.

Further, the gas for detecting pressure in upper gas-tight silo 19 is additionally provided on the upper surface of the upper gas-tight silo 19 Table 36 is pressed, air gauge 36 and demand valve 10 are electrically connected, and the detected pressure signal of air gauge 36 is passed by signal wire It send to demand valve 10, controls demand valve 10 and be turned on or off.

It is of the invention use process is as follows:

One, the mixed gas of different proportion is set according to the technological requirements, and ratio of gas mixture can shift to an earlier date on flow regulator 3 Setting, inflation solenoid valve 2 is opened when gas supply, and gas enters in respective pipeline, is imported into through flow regulator 3, gas check valve 4 In single transfer pipeline, since the specific gravity difference of gas will lead to the lamination of gas, mixed gas passes through jet mixer 5 It tentatively being mixed, will drive mixing 7 high speed rotation of fan blade during gas flow at high rates, rotary shaft position can generate high temperature, To avoid respective gases to temperature limits, radiator 6 is installed on jet mixer 5, to reduce by 5 temperature of jet mixer Degree.Mixed gas is mixed through jet mixer 5, is entered in mixing constant-pressure tank 8 after completing the preliminary mixing of gas.Mix constant-pressure tank Multiple tracks arc flow baffle 9 is installed, the arrangement of arc flow baffle 9 is cross-flow installation, and mixed gas passes through arc flow baffle 9 in 8 Guiding, can generate backflow phenomenon, the gas of front and subsequent gas do again it is further mix, by multiple tracks arc flow baffle 9, so that mixed gas reaches best mixed effect.Automatic drain valve 11, automatic drain valve 11 are installed at the top of constant pressure blending tank 8 The air exhausted in tank is automatically turned on when mixed gas enters for automatic pressure control valve, after reaching setting pressure, is closed Close automatic drain valve 11.After pressure inside the tank reaches supply gas pressure, demand valve 10 opens normal gas supply.Pass through automatic-discharging The effect of valve 11 guarantees that mixture pressure is constant in constant pressure blending tank 8.

Two, packing box 13 is packaged box infeed conveyor belt 28 and is transported to positioning discharge station, and quantitative discharging device 14 is wrapping Indicated weight food is added in mounted box 13, has added the packing box 13 of indicated weight food, is packaged the clamping of box Pneumatic clamping bar 16, packing box Pneumatic clamping bar 16 slides into multiple package position on clamping device slide bar 15, and packing box 13 is placed on to the mould of packing box bracket 32 On frame.

Sealed package storehouse is divided into upper and lower two storehouses, and heat seal die, cutter mold etc. are equipped in upper storehouse, is installed in lower storehouse There are packing box bracket, mold etc..Sealed package storehouse inlet is equipped with sealed membrane winding roller 17, and exit is equipped with useless film winding Roller 26 is equipped with winding motor on the axis of useless film winding roller 26, according to the sealing frequency, does intermittent motion.Packing box 13 enters packet After mounted box bracket 32, sealing cylinder 31,34 lifts lower storehouse, is in close contact with upper storehouse, there is sealing strip in upper and lower storehouse contact position.Vacuum Pump startup, extract out gas-tight silo in air, while mixed gas demand valve 10 open, mixed gas pressure effect and it is close It is injected in gas-tight silo rapidly under the action of envelope storehouse pull of vacuum.The opening time of vacuum pump and the opening time of demand valve 10 Have to grasp, in order to avoid vacuum time is too long, inhale flat packing box, can not opening interval it is too short, influence setting for gas Change rate.When pressure reaches designated value in gas-tight silo, gas displacement is completed.Packing box moves up cylinder 33 and lifts, and makes packing box 13 Upper plane and sealed membrane, heat seal die 22 come into full contact with sealing, cutter driving cylinder 24 acts, and completes to cut film program.Sealing Cylinder 31,34 is withdrawn, and opens gas-tight silo, and aeration packing box is exported by clamping device, and sealed membrane rotates a station, so past Continuous gap movement is done again.

The above description is only a preferred embodiment of the present invention and is not intended to restrict the invention, in embodiment technical solution Same replacement is carried out to single or multiple technical parameters and forms new technical solution, equally all in claimed model In enclosing；For those skilled in the art, the present invention can carry out various modifications and variations.It is all in spirit of the invention and Any modification, equivalent replacement, improvement and so within principle, should all be included in the protection scope of the present invention.