CN110092029A - Inner drawing type vacuum packing machine is segmented pumped vacuum systems - Google Patents

Abstract

The present invention provides a kind of inner drawing type vacuum packing machine segmentation pumped vacuum systems, including three sections of pumped vacuum systems and multistage pumped vacuum systems, three sections of pumped vacuum systems include single vacuum chamber work system, six continuous packaging systems of vacuum chamber, the multistage pumped vacuum systems includes single vacuum chamber work system of four sections of vacuum pumping technologies, single vacuum chamber work system of five sections of section vacuum pumping technologies, more continuous packaging systems of vacuum chamber, it can be different from the difference of normal pressure according to air pressure needed for being vacuum-packed, with reference to efficiency and cost etc. factor, select two sections or more of segmented mode.The present invention is in practical application, on the basis of guaranteeing energy-efficient, vacuum chamber quantity can be increased according to the requirement of output, it realizes continuous production and improves yield, the application of segmented mode is wider, it can be applied for generating work, the gas flush packaging depressurized again after air pressure change or partial pressure variation, such as needs pressurization, realization is energy-efficient, saves the purpose of gas source.

Description

Inner drawing type vacuum packing machine is segmented pumped vacuum systems

Technical field

The present invention relates to vacuum packaging equipment fields more particularly to a kind of segmentation of inner drawing type vacuum packing machine to vacuumize and be System.

Background technique

Vacuum packing machine is divided into inner drawing type and two kinds of outer odd test by air suction mode.Inner drawing type vacuum packing machine is will to be packaged Object is placed in vacuum chamber, is vacuumized, is encapsulated to realize the purpose vacuumized to packed article to vacuum chamber, had The advantages that vacuum degree height (atmospheric pressure value is usually in 600-1333Pa, i.e. 1/100 standard atmospheric pressure or so), residual air is few, Good effect is that outer odd test packing machine is incomparable.Although inner drawing type vacuum packing machine has advantage, also there is many lack Point, packaging process be first by vacuum chamber, then complete packed article encapsulation, vacuum chamber is finally restored into air pressure, is wrapped Object is filled to take out.Due to taking out, deflation course is primary completion, and the volume of air for needing to extract out in packed article is generally far smaller than It actually extracts total volume of air, the extraction that large quantity of air is deactivated in vacuum chamber out, therefore efficiency is very low, causes very big energy wave Take.Vacuum-pumping equipment frequent starting, stopping also damaging influence service life to machine itself.In addition, a machine is only Discontinuous one or two vacuum chamber can be evacuated, utilization rate is also very low, and is unfavorable for continuous production.

Summary of the invention

In order to solve problem above, the present invention provides a kind of inner drawing type vacuum packing machine segmentation pumped vacuum systems, it can be with It is different from the difference of normal pressure according to air pressure needed for being vacuum-packed, with reference to efficiency and cost etc. factor, select two sections or more Segmented mode.The present invention can increase true in practical application, on the basis of guaranteeing energy-efficient according to the requirement of output Empty room quantity realizes continuous production and improves yield.

The technical scheme is that providing a kind of inner drawing type vacuum packing machine segmentation pumped vacuum systems, including three sections of pumpings Vacuum system and multistage pumped vacuum systems, three sections of pumped vacuum systems include single vacuum chamber work system, six vacuum chambers companies Continuous packaging system, the multistage pumped vacuum systems include single vacuum chamber work system of four sections of vacuum pumping technologies, five sections of sections take out it is true Single vacuum chamber work system, the continuous packaging system of more vacuum chambers of empty technology；

The composition of single vacuum chamber work system of three sections of vacuum pumping technologies is as follows: vacuum pump passes through pipeline and vacuum tank It is connected, is controlled by control system of gas pressure intensity, vacuum tank, which is in, is vacuum-packed required air pressure；Vacuum tank passes through pipeline and surge tank One, surge tank two is connected, and is controlled respectively by gas pressure regulator one, gas pressure regulator two；Pipeline one, pipeline two, pipeline ten are distinguished It is connected with surge tank one, surge tank two, vacuum tank；Package system needed for vacuum chamber one is provided with vacuum packaging, vacuum chamber one are logical It crosses pipeline to be connected with pipeline one, pipeline two, pipeline ten, is controlled by solenoid valve three, solenoid valve four, solenoid valve two respectively, and kept It closes；Vacuum chamber one is connected by pipeline with the external world, is controlled and is remained turned-off by solenoid valve one；Pressure is housed on vacuum chamber one Table, for observing one air pressure of vacuum chamber；

The composition of single vacuum chamber work system of four sections of vacuum pumping technologies is as follows: vacuum pump passes through pipeline and vacuum tank It is connected, is controlled by control system of gas pressure intensity, vacuum tank, which is in, is vacuum-packed required air pressure；Vacuum tank passes through pipeline and surge tank One, surge tank two, surge tank three are connected, and are controlled respectively by gas pressure regulator one, gas pressure regulator two, gas pressure regulator three；Pipe Lu Yi, pipeline two, pipeline three, pipeline ten are connected with surge tank one, surge tank two, surge tank three, vacuum tank respectively；Vacuum chamber one Package system needed for being provided with vacuum packaging, vacuum chamber one are connected by pipeline with pipeline one, pipeline two, pipeline three, pipeline ten, It is controlled by solenoid valve three, solenoid valve four, solenoid valve five, solenoid valve two respectively, and is remained turned-off；Vacuum chamber one is by pipeline and outside Boundary is connected, and is controlled and is remained turned-off by solenoid valve one；Pressure gauge is housed, for observing one air pressure of vacuum chamber on vacuum chamber one；

The composition of single vacuum chamber work system of five sections of section vacuum pumping technologies is as follows: vacuum pump passes through pipeline and vacuum Tank is connected, and is controlled by control system of gas pressure intensity, and vacuum tank, which is in, is vacuum-packed required air pressure；Vacuum tank passes through pipeline and buffering Tank one, surge tank two, surge tank three, surge tank four are connected, respectively by gas pressure regulator one, gas pressure regulator two, pressure control Device three, gas pressure regulator four control；Pipeline one, pipeline two, pipeline three, pipeline four, pipeline ten respectively with surge tank one, surge tank Two, surge tank three, surge tank four, vacuum tank are connected；Package system needed for vacuum chamber one is provided with vacuum packaging, vacuum chamber one are logical It crosses pipeline to be connected with pipeline one, pipeline two, pipeline three, pipeline four, pipeline ten, respectively by solenoid valve three, solenoid valve four, solenoid valve Five, solenoid valve six, solenoid valve two are controlled, and are remained turned-off；Vacuum chamber one is connected by pipeline with the external world, is controlled by solenoid valve one And it remains turned-off；Pressure gauge is housed, for observing one air pressure of vacuum chamber on vacuum chamber one.

Further, single vacuum chamber work system work step of three sections of vacuum pumping technologies includes: a step, from true Packing material is completed in the taking-up of empty room one, is packed into object to be packaged and closes vacuum chamber one；B step, connection surge tank one, vacuum chamber one Decompression；Step c, connection surge tank two, vacuum chamber one depressurize；Step d, connection vacuum tank, vacuum chamber one depressurize and complete to encapsulate； Step e, connection surge tank two, vacuum chamber one boost；F step, connection surge tank one, vacuum chamber one boost；

Work first forvacuum before starting: vacuum pump operation, 1/100 atmospheric pressure needed for vacuum tank is evacuated to vacuum packaging, And stable gas pressure is kept by control system of gas pressure intensity；It is 2/3 atmospheric pressure that surge tank one, which is evacuated to air pressure, and by gas pressure regulator One control is not higher than this numerical value；It is 1/3 atmospheric pressure that surge tank two, which is evacuated to air pressure, and by the control of gas pressure regulator two for not Higher than this numerical value；

The course of work: vacuum chamber one is closed after object to be packaged will be packed into vacuum chamber one, completes a step；Open solenoid valve Three, until pressure balance is closed, vacuum chamber one is identical as the air pressure of surge tank one and is higher than 2/3 atmospheric pressure, one work of gas pressure regulator Make, extraction section air, surge tank one is reduced to 2/3 atmospheric pressure, completes b step；Solenoid valve four is opened, until pressure balance is closed, Vacuum chamber one is identical as the air pressure of surge tank two and is higher than 1/3 atmospheric pressure, and gas pressure regulator two works, and extraction section air delays It rushes tank two and is reduced to 1/3 atmospheric pressure, complete step c；Open solenoid valve two, control system of gas pressure intensity work, until atmospheric pressure is reduced to 1/100 atmospheric pressure, solenoid valve two close, object to be packaged are packaged, and complete Step d；Solenoid valve four is opened, until pressure balance It closes, surge tank two is lower than 1/3 atmospheric pressure, and gas pressure regulator two does not work at this time, and air is by next packaging recycle and vacuum chamber Additional air is supplemented and extracted out when one connection, completes step e；Solenoid valve three is opened, until pressure balance is closed, surge tank one is lower than 2/3 atmospheric pressure, gas pressure regulator one does not work at this time, and air is supplemented and extracted out when being connect by next packaging recycle with vacuum chamber one Additional air completes f step；Solenoid valve one is opened, until pressure balance is closed, air pressure restores to 1 atmospheric pressure, opens vacuum chamber one Completion object has been packed in taking-up, is put into new object to be packaged and is completed a step, carries out next packaging recycle.

Further, realize that continuous packaging needs each step there are one or several vacuum chambers to work at the same time.Three sections are taken out very It is six steps that empty technology, which completes a packaging recycle, and the vacuum chamber of six or six integral multiple is needed to work at the same time；Six vacuum The continuous packaging system continuous work process in room is as follows: vacuum chamber unit includes vacuum chamber unit one, vacuum chamber unit two, vacuum chamber Unit three, vacuum chamber unit four, vacuum chamber unit five, vacuum chamber unit six；Vacuum chamber unit one includes: vacuum chamber one, electromagnetism Valve one, solenoid valve two, solenoid valve three, solenoid valve four, pressure gauge；Vacuum chamber unit two includes: vacuum chamber two, second solenoid valve One, second solenoid valve two, second solenoid valve three, second solenoid valve four, second pressure gauge, vacuum chamber unit three guarantees include: vacuum chamber Three, third solenoid valve one, third solenoid valve two, third solenoid valve three, third solenoid valve four, third pressure gauge, vacuum chamber unit Four include: vacuum chamber four, the 4th solenoid valve one, the 4th solenoid valve two, the 4th solenoid valve three, the 4th solenoid valve four, the 4th pressure Table, vacuum chamber unit five include: vacuum chamber five, the 5th solenoid valve one, the 5th solenoid valve two, the 5th solenoid valve three, the 5th electromagnetism Valve four, the 5th pressure gauge, vacuum chamber unit six include: vacuum chamber six, the 6th solenoid valve one, the 6th solenoid valve two, the 6th electromagnetism Valve three, the 6th solenoid valve four, the 6th pressure gauge；Vacuum chamber unit one, vacuum chamber unit two, vacuum chamber unit three, vacuum chamber list Member four, vacuum chamber unit five, vacuum chamber unit six are connect with pipeline one, pipeline two, pipeline ten respectively；In continuous packaging process, After packaging system is stable, surge tank one, surge tank two, vacuum tank have been in the air pressure of normal operating conditions, vacuum chamber Unit one, vacuum chamber unit two, vacuum chamber unit three, vacuum chamber unit four, vacuum chamber unit five, vacuum chamber unit six it is initial State are as follows: vacuum chamber unit one is completed to close after being packed into object to be packaged in vacuum chamber one, and one air pressure of vacuum chamber is 1 atmospheric pressure, i.e., A step is completed；Vacuum chamber unit two completes the connection with surge tank one, and two air pressure of vacuum chamber is 2/3 atmospheric pressure, that is, is completed B step；Vacuum chamber unit three completes the connection with surge tank two, and three air pressure of vacuum chamber is 1/3 atmospheric pressure, that is, step c is completed； The connection of vacuum chamber unit four and vacuum tank reaches setting atmospheric pressure value and encapsulates completion, and four air pressure of vacuum chamber is 1/100 atmosphere Pressure, that is, be completed Step d；Vacuum chamber unit five completes the connection with surge tank two, and five air pressure of vacuum chamber is 1/3 atmospheric pressure, i.e., Step e is completed；Vacuum chamber unit six completes the connection with surge tank one, and six air pressure of vacuum chamber is 2/3 atmospheric pressure, that is, is completed F step；

Completing primary production packaging only need to open simultaneously and close following solenoid valve: solenoid valve three, second solenoid valve four, the Three solenoid valves two, the 4th solenoid valve four, the 5th solenoid valve three, the 6th solenoid valve one；Detailed process are as follows: open solenoid valve three and the Five solenoid valves three, vacuum chamber one are connect with surge tank one simultaneously with vacuum chamber five, and atmospheric pressure value is slightly above 2/3 atmosphere after pressure balance Pressure, solenoid valve three, the 5th solenoid valve three are closed, and gas pressure regulator one works, and surge tank one drops to 2/3 atmospheric pressure, air pressure control Device one processed is closed, and vacuum chamber unit one completes b step, and vacuum chamber unit five completes f step；Open second solenoid valve four and the 4th Solenoid valve four, vacuum chamber two are connect with surge tank two simultaneously with vacuum chamber four, and atmospheric pressure value is slightly above 1/3 atmosphere after pressure balance Pressure, second solenoid valve four, the 4th solenoid valve four are closed, and gas pressure regulator two works, and surge tank two drops to 1/3 atmospheric pressure, gas Pressure controller two is closed, and vacuum chamber unit two completes step c, and vacuum chamber unit four completes step e；Third solenoid valve two is opened, Vacuum chamber three is connect with vacuum tank, control system of gas pressure intensity work, until atmospheric pressure is reduced to 1/100 atmospheric pressure, third solenoid valve Two close, and object to be packaged are completed to encapsulate, vacuum chamber unit three completes Step d；Open the 6th solenoid valve one, vacuum chamber six and outer Boundary's connection, air pressure restores to 1 atmospheric pressure after pressure balance, closes the 6th solenoid valve one, opens the taking-up of vacuum chamber six and has packed At object, vacuum chamber is closed after being put into new object to be packaged, vacuum chamber unit six completes a step；After the completion of this process, each vacuum chamber list Member completes a work step in order respectively, and six vacuum chamber units complete a packaging recycle six are asynchronous Suddenly；Next solenoid valve is opened by packing work sequence and closed to each vacuum chamber unit, can carry out product packaging next time, A packaging recycle can be completed by six product packagings of the every completion of job order；Since a step in six packaging steps and d walk The rapid deadline is longer, other Step Times are very short, and therefore, each step has multiple vacuum chamber cell operations that can make to pack simultaneously Speed significantly improves.

Further, single vacuum chamber work system course of work of four sections of vacuum pumping technologies are as follows: forvacuum: vacuum Pump operation, 1/100 atmospheric pressure needed for vacuum tank is evacuated to vacuum packaging, and stable gas pressure is kept by control system of gas pressure intensity； It is 3/4 atmospheric pressure that surge tank one, which is evacuated to air pressure, and by the control of gas pressure regulator one for not higher than this numerical value；By surge tank two Being evacuated to air pressure is 1/2 atmospheric pressure, and by the control of gas pressure regulator two for not higher than this numerical value；Surge tank three, which is evacuated to air pressure, is 1/4 atmospheric pressure, and by the control of gas pressure regulator three for not higher than this numerical value；

Vacuum chamber one is closed after object to be packaged will be packed into vacuum chamber one；Solenoid valve three is opened, until pressure balance is closed, very Empty room one is identical as the air pressure of surge tank one and is higher than 3/4 atmospheric pressure, and gas pressure regulator one works, extraction section air, buffering Tank one is reduced to 3/4 atmospheric pressure；Open solenoid valve four, until pressure balance close, vacuum chamber one it is identical as the air pressure of surge tank two and Higher than 1/2 atmospheric pressure, gas pressure regulator two works, and extraction section air, surge tank two is reduced to 1/2 atmospheric pressure；Open solenoid valve Five, until pressure balance is closed, vacuum chamber one is identical as the air pressure of surge tank three and is higher than 1/4 atmospheric pressure, three work of gas pressure regulator Make, extraction section air, surge tank three is reduced to 1/4 atmospheric pressure；Open solenoid valve two, control system of gas pressure intensity work, until gas Pressure is reduced to 1/100 atmospheric pressure, and solenoid valve two closes, object to be packaged is packaged；Solenoid valve five is opened, until pressure balance is closed It closes, surge tank three is lower than 1/4 atmospheric pressure, and gas pressure regulator three does not work at this time, and air is connected by next packaging recycle vacuum chamber one It is supplemented when connecing and extracts additional air out；Solenoid valve four is opened, until pressure balance is closed, surge tank two is lower than 1/2 atmospheric pressure, at this time Gas pressure regulator two does not work, and air supplements when being connected by next packaging recycle vacuum chamber one and extracts additional air out；Open electricity Magnet valve three, until pressure balance is closed, surge tank one is lower than 3/4 atmospheric pressure, and gas pressure regulator one does not work at this time, and air is by next Packaging recycle vacuum chamber one supplements when connecting and extracts additional air out；Solenoid valve one is opened, until pressure balance is closed, air pressure restores It to 1 atmospheric pressure, opens the taking-up of vacuum chamber one and has packed completion object, be put into new object to be packaged and carry out next packaging recycle.

Further, single vacuum chamber work system course of work of five sections of vacuum pumping technologies is as follows: forvacuum: vacuum pump Operation, 1/100 atmospheric pressure needed for vacuum tank is evacuated to vacuum packaging, and stable gas pressure is kept by control system of gas pressure intensity；It will It is 4/5 atmospheric pressure that surge tank one, which is evacuated to air pressure, and by the control of gas pressure regulator one for not higher than this numerical value；Surge tank two is taken out It is 3/5 atmospheric pressure to air pressure, and by the control of gas pressure regulator two for not higher than this numerical value；It is 2/ that surge tank three, which is evacuated to air pressure, 5 atmospheric pressure, and by the control of gas pressure regulator three for not higher than this numerical value；It is 1/5 atmospheric pressure that surge tank four, which is evacuated to air pressure, and By the control of gas pressure regulator four for not higher than this numerical value；

Vacuum chamber one is closed after object to be packaged will be packed into vacuum chamber one；Solenoid valve three is opened, until pressure balance is closed, very Empty room one is identical as the air pressure of surge tank one and is higher than 4/5 atmospheric pressure, and gas pressure regulator one works, extraction section air, buffering Tank one is reduced to 4/5 atmospheric pressure；Open solenoid valve four, until pressure balance close, vacuum chamber one it is identical as the air pressure of surge tank two and Higher than 3/5 atmospheric pressure, gas pressure regulator two works, and extraction section air, surge tank two is reduced to 3/5 atmospheric pressure；Open solenoid valve Five, until pressure balance is closed, vacuum chamber one is identical as the air pressure of surge tank three and is higher than 2/5 atmospheric pressure, three work of gas pressure regulator Make, extraction section air, surge tank three is reduced to 2/5 atmospheric pressure；Open solenoid valve six, until pressure balance close, vacuum chamber one with The air pressure of surge tank four is identical and is higher than 1/5 atmospheric pressure, and gas pressure regulator four works, and extraction section air, surge tank four is reduced to 1/5 atmospheric pressure；Open solenoid valve two, control system of gas pressure intensity work, until atmospheric pressure is reduced to 1/100 atmospheric pressure, solenoid valve two It closes, object to be packaged is packaged；Solenoid valve six is opened, until pressure balance is closed, surge tank four is lower than 1/5 atmospheric pressure, this When gas pressure regulator four do not work, air supplements when being connected by next packaging recycle vacuum chamber one and extracts additional air out；It opens Solenoid valve five, until pressure balance is closed, surge tank three is lower than 2/5 atmospheric pressure, and gas pressure regulator three does not work at this time, and air is under One packaging recycle vacuum chamber one supplements when connecting and extracts additional air out；Solenoid valve four is opened, until pressure balance is closed, surge tank Two are lower than 3/5 atmospheric pressure, and gas pressure regulator two does not work at this time, supplement simultaneously when air is connected by next packaging recycle vacuum chamber one Extract additional air out；Solenoid valve three is opened, until pressure balance is closed, surge tank one is lower than 4/5 atmospheric pressure, at this time gas pressure regulator One does not work, and air supplements when being connected by next packaging recycle vacuum chamber one and extracts additional air out；Solenoid valve one is opened, until pressure Dynamic balance is closed, and air pressure restores to 1 atmospheric pressure, is opened the taking-up of vacuum chamber one and has been packed completion object, is put into new object to be packaged and is carried out Next packaging recycle.

Further, the continuous packaging process of more vacuum chambers: by being segmented vacuum pumping technology scheme above it is found that taking out with three sections true Empty technology is similar, and the packaging process of four sections of vacuum pumping technology list vacuum chambers is divided into 8 steps: packet is completed from the taking-up of vacuum chamber one Object is filled, object to be packaged is packed into and closes vacuum chamber one；Surge tank one is connected, vacuum chamber one depressurizes；Connect surge tank two, vacuum chamber One decompression；Surge tank three is connected, vacuum chamber one depressurizes；Vacuum tank is connected, vacuum chamber one depressurizes and completes to encapsulate；Connect surge tank Three, vacuum chamber one boosts；Surge tank two is connected, vacuum chamber one boosts；Surge tank one is connected, vacuum chamber one boosts.

Further, the packaging process of five sections of vacuum pumping technology list vacuum chambers is divided into ten steps: taking out from vacuum chamber one Packing material is completed, be packed into object to be packaged and closes vacuum chamber one；Surge tank one is connected, vacuum chamber one depressurizes；Connect surge tank Two, vacuum chamber one depressurizes；Surge tank three is connected, vacuum chamber one depressurizes；Surge tank four is connected, vacuum chamber one depressurizes；Connect vacuum Tank, vacuum chamber one depressurize and complete to encapsulate；Surge tank four is connected, vacuum chamber one boosts；Connection surge tank three, one liter of vacuum chamber Pressure；Surge tank two is connected, vacuum chamber one boosts；Surge tank one is connected, vacuum chamber one boosts.

Further, realize that continuous packaging needs each step there are one or several vacuum chambers to work at the same time, three sections of pumpings are true Empty technology needs the vacuum chamber of six and/or six integral multiple to work at the same time；The packaging process of four sections of vacuum pumping technology list vacuum chambers point For eight steps, the vacuum chamber of eight or eight integral multiple is needed to work at the same time, the packaging of five sections of vacuum pumping technology list vacuum chambers Journey is divided into ten steps, and the vacuum chamber of ten or ten integral multiple is needed to work at the same time, the packaging of N sections of vacuum pumping technology list vacuum chambers Process is divided into 2 × N number of step, need the vacuum chamber of the integral multiple of 2 × N or 2 × N to work at the same time, each vacuum chamber in the course of work It evenly distributes in different step；Four sections, five sections, the N sections of continuous packaging process of vacuum pumping technology continuously wrap with three sections of vacuum pumping technologies Dress process is similar, and corresponding solenoid valve is opened by packing work sequence and closed to each vacuum chamber unit, and primary packaging can be completed, Being respectively completed eight, ten times by job order can be completed a packaging recycle, and all vacuum chamber units return to original state； Except connect vacuum tank and take out packing material and the step of be packed into object to be packaged in addition to, the vacuum chamber of air pressure decline stage and be in The vacuum chamber of air pressure ascent stage is connected up to pressure balance, gas pressure regulator with corresponding surge tank by solenoid valve simultaneously Without frequently opening；It is similar to the continuous packaging process of three sections of vacuum pumping technologies, cooperation electronic control system to multiple vacuum chambers, Solenoid valve is controlled, and distribution make-and-break time and sequence realize continuous automatic production；

The natural number that the N is 1 or 1 or more；

The vacuum unit may include multiple vacuum chambers.

Further, the pipeline one, pipeline two, pipeline ten can be with multiple vacuum chambers one by pipeline, multiple solenoid valves It is connected；

The pipeline one, pipeline two, pipeline three, pipeline ten can be with multiple one phases of vacuum chamber by pipeline, multiple solenoid valves Even；

The pipeline one, pipeline two, pipeline three, pipeline four, pipeline ten can be with multiple vacuum by pipeline, multiple solenoid valves Room one is connected.

Further, to make, vacuum tank, surge tank one, surge tank two, surge tank three, air pressure is not in four tank of surge tank Will appear larger fluctuation, vacuum tank, surge tank one, surge tank two, surge tank three, surge tank four volume be greater than vacuum chamber assembly Volume.

It compared with prior art, the beneficial effects of the present invention are: can be according to the difference of air pressure and normal pressure needed for being vacuum-packed Value is different, with reference to efficiency and cost etc. factor, selects two sections or more of segmented mode.The present invention in practical application, On the basis of guaranteeing energy-efficient, vacuum chamber quantity can be increased according to the requirement of output, realize that continuous production and raising produce Amount, the application of segmented mode is wider, changes for generating air pressure change or partial pressure, such as the work for needing to depressurize again after pressurizeing Work, gas flush packaging etc. can apply, and realization is energy-efficient, saves the purpose of gas source.

Detailed description of the invention

Further the present invention is illustrated below according to figure:

Fig. 1 is three sections of vacuum pumping technology schematic diagrames of the invention；

Fig. 2 is the continuous packaging process schematic diagram for six vacuum chambers one of the invention；

Fig. 3 is four sections of vacuum pumping technology schematic diagram structure charts of the invention；

Fig. 4 is five sections of vacuum pumping technology schematic diagrames of the invention；

Fig. 5 is the continuous packaging process schematic diagram for eight vacuum chambers one of the invention；

Fig. 6 is the continuous packaging process schematic diagram for ten vacuum chambers one of the invention；

Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6: 1, vacuum pump, 2, vacuum tank, 3, surge tank one, 4, surge tank Two, 5, surge tank three, 6, surge tank four, 1-1, control system of gas pressure intensity, 1-2, gas pressure regulator one, 1-3, gas pressure regulator Two, 1-4, gas pressure regulator three, 1-5, gas pressure regulator four, 2-1, pipeline one, 2-2, pipeline two, 2-3, pipeline three, 2-4, pipe Lu Si, 2-10, pipeline ten, 3-1, vacuum chamber one, 3-2, solenoid valve three, 3-3, solenoid valve four, 3-4, solenoid valve five, 3-5, electromagnetism Valve six, 3-11, solenoid valve one, 3-12, pressure gauge, 3-13, solenoid valve two, 4-1, vacuum chamber two, 4-11, second solenoid valve one, 4-13, second solenoid valve two, 4-2, second solenoid valve three, 4-3, second solenoid valve four, 4-12, second pressure gauge, 5-1, vacuum Room three, 5-11, third solenoid valve one, 5-13, third solenoid valve two, 5-2, third solenoid valve three, 5-3, third solenoid valve four, 5- 12, third pressure gauge, 6-1, vacuum chamber four, 6-11, the 4th solenoid valve one, 6-13, the 4th solenoid valve two, 6-2, the 4th solenoid valve Three, 6-3, the 4th solenoid valve four, 6-12, the 4th pressure gauge, 7-1, vacuum chamber five, 7-11, the 5th solenoid valve one, 7-13, the 5th Solenoid valve two, 7-2, the 5th solenoid valve three, 7-3, the 5th solenoid valve four, 7-12, the 5th pressure gauge, 8-1, vacuum chamber six, 8-11, 6th solenoid valve one, 8-13, the 6th solenoid valve two, 8-2, the 6th solenoid valve three, 8-3, the 6th solenoid valve four, 8-12, the 6th pressure Power table.

Specific embodiment

Below with reference to figure, the present invention is described in further detail, it should be noted that scheme for explaining only the invention, It is to be schematically illustrated to the embodiment of the present invention, and should not be understood as limitation of the invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, inner drawing type vacuum packing machine is segmented pumped vacuum systems, including three sections Pumped vacuum systems and multistage pumped vacuum systems, three sections of pumped vacuum systems include single vacuum chamber work system, six vacuum chambers Continuous packaging system, the multistage pumped vacuum systems include single vacuum chamber work system of four sections of vacuum pumping technologies, five sections of sections pumpings Single vacuum chamber work system, the continuous packaging system of more vacuum chambers of vacuum technique；

As shown in Figure 1, the composition of single vacuum chamber work system of three sections of vacuum pumping technologies is as follows: vacuum pump 1 passes through Pipeline is connected with vacuum tank 2, and air pressure needed for being vacuum-packed is in by control system of gas pressure intensity 1-1 control vacuum tank 2；Vacuum tank 2 are connected by pipeline with surge tank 1, surge tank 24, are controlled respectively by one 1-2 of gas pressure regulator, two 1-3 of gas pressure regulator； One 2-1 of pipeline, two 2-2 of pipeline, ten 2-10 of pipeline are connected with surge tank 1, surge tank 24, vacuum tank 2 respectively；Vacuum chamber one Package system needed for 3-1 is provided with vacuum packaging, one 3-1 of vacuum chamber pass through pipeline and one 2-1 of pipeline, two 2-2 of pipeline, pipeline ten 2-10 is connected, and is controlled by three 3-2 of solenoid valve, four 3-3 of solenoid valve, two 3-13 of solenoid valve respectively, and is remained turned-off；One 3- of vacuum chamber 1 is connected by pipeline with the external world, is controlled and is remained turned-off by one 3-11 of solenoid valve；Pressure gauge 3-12 is housed on one 3-1 of vacuum chamber, For observing one 3-1 air pressure of vacuum chamber；For required air pressure is vacuum-packed and is 1/100 atmospheric pressure, one 3 air pressure of surge tank is 2/ 3 atmospheric pressure, 24 air pressure of surge tank are 1/3 atmospheric pressure, and 2 air pressure of vacuum tank is 1/100 atmospheric pressure；

As shown in figure 3, the composition of single vacuum chamber work system of four sections of vacuum pumping technologies is as follows: vacuum pump 1 passes through Pipeline is connected with vacuum tank 2, is controlled by control system of gas pressure intensity 1-1, and vacuum tank 2, which is in, is vacuum-packed required air pressure；Vacuum Tank 2 is connected by pipeline with surge tank 1, surge tank 24, surge tank 35, respectively by one 1-2 of gas pressure regulator, pressure control Two 1-3 of device, three 1-4 of gas pressure regulator control；One 2-1 of pipeline, two 2-2 of pipeline, three 2-3 of pipeline, ten 2-10 of pipeline respectively with it is slow Tank 1, surge tank 24, surge tank 35, vacuum tank 2 is rushed to be connected；One 3-1 of vacuum chamber is provided with encapsulation system needed for vacuum packaging System, one 3-1 of vacuum chamber is connected by pipeline with one 2-1 of pipeline, two 2-2 of pipeline, three 2-3 of pipeline, ten 2-10 of pipeline, respectively by electricity Three 3-2 of magnet valve, four 3-3 of solenoid valve, five 3-4 of solenoid valve, two 3-13 of solenoid valve control, and remain turned-off；One 3-1 of vacuum chamber passes through Pipeline is connected with the external world, is controlled and is remained turned-off by one 3-11 of solenoid valve；Pressure gauge 3-12 is housed on one 3-1 of vacuum chamber, is used for Observe one 3-1 air pressure of vacuum chamber；For required air pressure is vacuum-packed and is 1/100 atmospheric pressure, one 3 air pressure of surge tank is 3/4 big Air pressure, 24 air pressure of surge tank are 1/2 atmospheric pressure, and 35 air pressure of surge tank is 1/4 atmospheric pressure, and 2 air pressure of vacuum tank is 1/100 atmosphere Pressure；

As shown in figure 4, the composition of single vacuum chamber work system of five sections of section vacuum pumping technologies is as follows: vacuum pump 1 is logical It crosses pipeline to be connected with vacuum tank 2, be controlled by control system of gas pressure intensity 1-1, vacuum tank 2, which is in, is vacuum-packed required air pressure；Very Slack tank 2 is connected by pipeline with surge tank 1, surge tank 24, surge tank 35, surge tank 46, respectively by gas pressure regulator one 1-2, two 1-3 of gas pressure regulator, three 1-4 of gas pressure regulator, four 1-5 of gas pressure regulator control；One 2-1 of pipeline, two 2-2 of pipeline, Three 2-3 of pipeline, four 2-4 of pipeline, ten 2-10 of pipeline respectively with surge tank 1, surge tank 24, surge tank 35, surge tank 46, Vacuum tank 2 is connected；Package system needed for one 3-1 of vacuum chamber is provided with vacuum packaging, one 3-1 of vacuum chamber pass through pipeline and pipeline one 2-1, two 2-2 of pipeline, three 2-3 of pipeline, four 2-4 of pipeline, ten 2-10 of pipeline are connected, respectively by three 3-2 of solenoid valve, four 3- of solenoid valve 3, five 3-4 of solenoid valve, six 3-5 of solenoid valve, two 3-13 of solenoid valve control, and remain turned-off；One 3-1 of vacuum chamber is by pipeline and outside Boundary is connected, and is controlled and is remained turned-off by one 3-11 of solenoid valve；Pressure gauge 3-12 is housed, for observing vacuum on one 3-1 of vacuum chamber One 3-1 air pressure of room；For required air pressure is vacuum-packed and is 1/100 atmospheric pressure, one 3 air pressure of surge tank is 4/5 atmospheric pressure, buffering 24 air pressure of tank is 3/5 atmospheric pressure, and 35 air pressure of surge tank is 2/5 atmospheric pressure, and 46 air pressure of surge tank is 1/5 atmospheric pressure, vacuum tank 2 air pressures are 1/100 atmospheric pressure.

Further, single vacuum chamber work system work step of three sections of vacuum pumping technologies includes: a step, from true Packing material is completed in one 3-1 of empty room taking-up, is packed into object to be packaged and closes one 3-1 of vacuum chamber；B step, connection surge tank 1, One 3-1 of vacuum chamber decompression；Step c, connection surge tank 24, one 3-1 of vacuum chamber decompression；Step d, connection vacuum tank 2, vacuum chamber One 3-1 is depressurized and is completed to encapsulate；Step e, connection surge tank 24, one 3-1 of vacuum chamber boosting；F step, connection surge tank 1, One 3-1 of vacuum chamber boosting；

Work first forvacuum before starting: vacuum pump operation, 1/100 atmospheric pressure needed for vacuum tank 2 is evacuated to vacuum packaging, And stable gas pressure is kept by control system of gas pressure intensity 1-1；It is 2/3 atmospheric pressure that surge tank 1, which is evacuated to air pressure, and by air pressure control One 1-2 of device control processed is not higher than this numerical value；It is 1/3 atmospheric pressure that surge tank 24, which is evacuated to air pressure, and by gas pressure regulator two 1-3 control is not higher than this numerical value；

The course of work: one 3-1 of vacuum chamber is closed after object to be packaged will be packed into one 3-1 of vacuum chamber, completes a step；It opens Three 3-2 of solenoid valve, until pressure balance is closed, one 3-1 of vacuum chamber is identical as the air pressure of surge tank 1 and is higher than 2/3 atmospheric pressure, gas One 1-2 of pressure controller work, extraction section air, surge tank 1 are reduced to 2/3 atmospheric pressure, complete b step；Open solenoid valve four 3-3, until pressure balance is closed, one 3-1 of vacuum chamber is identical as the air pressure of surge tank 24 and is higher than 1/3 atmospheric pressure, gas pressure regulator Two 1-3 work, extraction section air, surge tank 24 are reduced to 1/3 atmospheric pressure, complete step c；Open two 3-13 of solenoid valve, gas Pressure control system 1-1 work, until atmospheric pressure is reduced to 1/100 atmospheric pressure, two 3-13 of solenoid valve is closed, object to be packaged is sealed Dress completes Step d；Four 3-3 of solenoid valve is opened, until pressure balance is closed, surge tank 24 is lower than 1/3 atmospheric pressure, at this time air pressure control Two 1-3 of device processed does not work, and air supplements and extract out additional air when being connect by next packaging recycle with one 3-1 of vacuum chamber, completes e Step；Three 3-2 of solenoid valve is opened, until pressure balance is closed, surge tank 1 is lower than 2/3 atmospheric pressure, at this time one 1- of gas pressure regulator 2 do not work, and air supplements and extract out additional air when being connect by next packaging recycle with one 3-1 of vacuum chamber, complete f step；It beats One 3-11 of open electromagnetic valve, until pressure balance is closed, air pressure restores to 1 atmospheric pressure, opens one 3-1 of vacuum chamber taking-up and has packed completion Object is put into new object to be packaged and completes a step, carries out next packaging recycle.

As shown in Fig. 2, it is further, realize that continuous packaging needs each step to have one or several vacuum chambers work simultaneously Make.It is six steps that three sections of vacuum pumping technologies, which complete a packaging recycle, needs the vacuum chamber while work of six or six integral multiple Make；The continuous packaging system continuous work process of six vacuum chambers is as follows: vacuum chamber unit includes vacuum chamber unit one, vacuum chamber list First two, vacuum chamber unit three, vacuum chamber unit four, vacuum chamber unit five, vacuum chamber unit six；Vacuum chamber unit one includes: true One 3-1 of empty room, one 3-11 of solenoid valve, two 3-13 of solenoid valve, three 3-2 of solenoid valve, four 3-3 of solenoid valve, pressure gauge 3-12；Vacuum chamber Unit two includes: two 4-1 of vacuum chamber, one 4-11 of second solenoid valve, two 4-13 of second solenoid valve, three 4-2 of second solenoid valve, second Four 4-3 of solenoid valve, second pressure gauge 4-12, vacuum chamber unit three guarantees include: three 5-1 of vacuum chamber, one 5-11 of third solenoid valve, third Two 5-13 of solenoid valve, three 5-2 of third solenoid valve, four 5-3 of third solenoid valve, third pressure gauge 5-12, vacuum chamber unit four include: Four 6-1 of vacuum chamber, one 6-11 of the 4th solenoid valve, two 6-13 of the 4th solenoid valve, three 6-2 of the 4th solenoid valve, four 6- of the 4th solenoid valve 3, the 4th pressure gauge 6-12, vacuum chamber unit five include: five 7-1 of vacuum chamber, one 7-11 of the 5th solenoid valve, two 7- of the 5th solenoid valve 13, three 7-2 of the 5th solenoid valve, four 7-3 of the 5th solenoid valve, the 5th pressure gauge 7-12, vacuum chamber unit six include: six 8- of vacuum chamber 1, one 8-11 of the 6th solenoid valve, two 8-13 of the 6th solenoid valve, three 8-2 of the 6th solenoid valve, four 8-3 of the 6th solenoid valve, the 6th pressure Table 8-12；Vacuum chamber unit one, vacuum chamber unit two, vacuum chamber unit three, vacuum chamber unit four, vacuum chamber unit five, vacuum Chamber unit six is connect with one 2-1 of pipeline, two 2-2 of pipeline, ten 2-10 of pipeline respectively；In continuous packaging process, packaging system operation After stabilization, surge tank 1, surge tank 24, vacuum tank 2 have been in the air pressure of normal operating conditions, vacuum chamber unit one, true The original state of empty room unit two, vacuum chamber unit three, vacuum chamber unit four, vacuum chamber unit five, vacuum chamber unit six are as follows: true Empty room unit one is completed to close after being packed into object to be packaged in one 3-1 of vacuum chamber, and one 3-1 air pressure of vacuum chamber is 1 atmospheric pressure, i.e., complete At a step；Vacuum chamber unit two completes the connection with surge tank 1, and two 4-1 air pressure of vacuum chamber is 2/3 atmospheric pressure, that is, is completed B step；Vacuum chamber unit three completes the connection with surge tank 24, and three 5-1 air pressure of vacuum chamber is 1/3 atmospheric pressure, that is, c is completed Step；The connection of vacuum chamber unit four and vacuum tank 2 reaches setting atmospheric pressure value and encapsulates completion, and four 6-1 air pressure of vacuum chamber is 1/ 100 atmospheric pressure, that is, be completed Step d；Vacuum chamber unit five completes the connection with surge tank 24, and five 7-1 air pressure of vacuum chamber is 1/ 3 atmospheric pressure, that is, be completed step e；Vacuum chamber unit six completes the connection with surge tank 1, and six 8-1 air pressure of vacuum chamber is 2/3 F step is completed in atmospheric pressure；

Completing primary production packaging only need to open simultaneously and close following solenoid valve: three 3-2 of solenoid valve, second solenoid valve four 4-3, two 5-13 of third solenoid valve, four 6-3 of the 4th solenoid valve, three 7-2 of the 5th solenoid valve, one 8-11 of the 6th solenoid valve；Specific mistake Journey are as follows: open solenoid valve three 3-2 and three 7-2 of the 5th solenoid valve, one 3-1 of vacuum chamber and five 7-1 of vacuum chamber simultaneously with surge tank 1 Connection, atmospheric pressure value is slightly above 2/3 atmospheric pressure after pressure balance, and three 3-2 of solenoid valve, three 7-2 of the 5th solenoid valve are closed, pressure control One 1-2 of device work, surge tank 1 drop to 2/3 atmospheric pressure, and one 1-2 of gas pressure regulator is closed, and vacuum chamber unit one completes b step Suddenly, vacuum chamber unit five completes f step；Open second solenoid valve four 4-3 and four 6-3 of the 4th solenoid valve, two 4-1 of vacuum chamber with very Four 6-1 of empty room is connect with surge tank 24 simultaneously, and atmospheric pressure value is slightly above 1/3 atmospheric pressure after pressure balance, four 4-3 of second solenoid valve, 4th solenoid valve, four 6-3 is closed, and two 1-3 of gas pressure regulator work, surge tank 24 drops to 1/3 atmospheric pressure, gas pressure regulator two 1-3 is closed, and vacuum chamber unit two completes step c, and vacuum chamber unit four completes step e；Open two 5-13 of third solenoid valve, vacuum Three 5-1 of room is connect with vacuum tank 2, control system of gas pressure intensity 1-1 work, until atmospheric pressure is reduced to 1/100 atmospheric pressure, third electromagnetism Two 5-13 of valve is closed, and object to be packaged is completed to encapsulate, vacuum chamber unit three completes Step d；One 8-11 of the 6th solenoid valve is opened, very Six 8-1 of empty room is connect with the external world, and air pressure restores to 1 atmospheric pressure after pressure balance, closes one 8-11 of the 6th solenoid valve, opens vacuum Completion object has been packed in six 8-1 of room taking-up, closes vacuum chamber 8-1 after being put into new object to be packaged, vacuum chamber unit six completes a step； After the completion of this process, each vacuum chamber unit completes a work step in order respectively, and six vacuum chamber units complete one Six different steps of a packaging recycle；Next solenoid valve is opened by packing work sequence and closed to each vacuum chamber unit, Product packaging next time can be carried out, a packaging recycle can be completed by six product packagings of the every completion of job order, is owned Vacuum chamber unit returns to original state, and packaging process is as follows:

Since a step and Step d deadline are longer in six packaging steps, other Step Times are very short, therefore each Step has multiple vacuum chamber cell operations packaging speed can be made to significantly improve simultaneously.

Further, single vacuum chamber work system course of work of four sections of vacuum pumping technologies are as follows: forvacuum: vacuum Pump operation, 1/100 atmospheric pressure needed for vacuum tank 2 is evacuated to vacuum packaging, and keep air pressure steady by control system of gas pressure intensity 1-1 It is fixed；It is 3/4 atmospheric pressure that surge tank 1, which is evacuated to air pressure, and by one 1-2 of gas pressure regulator control for not higher than this numerical value；It will It is 1/2 atmospheric pressure that surge tank 24, which is evacuated to air pressure, and by two 1-3 of gas pressure regulator control for not higher than this numerical value；By surge tank 35 are evacuated to air pressure as 1/4 atmospheric pressure, and by three 1-4 of gas pressure regulator control for not higher than this numerical value；

One 3-1 of vacuum chamber is closed after object to be packaged will be packed into one 3-1 of vacuum chamber；Three 3-2 of solenoid valve is opened, until pressure is flat Weighing apparatus is closed, and one 3-1 of vacuum chamber is identical as the air pressure of surge tank 1 and is higher than 3/4 atmospheric pressure, and one 1-2 of gas pressure regulator work is taken out Partial air out, surge tank 1 are reduced to 3/4 atmospheric pressure；Four 3-3 of solenoid valve is opened, until pressure balance is closed, one 3-1 of vacuum chamber It is identical as the air pressure of surge tank 24 and be higher than 1/2 atmospheric pressure, two 1-3 of gas pressure regulator work, extraction section air, surge tank 24 are reduced to 1/2 atmospheric pressure；Five 3-4 of solenoid valve is opened, until pressure balance is closed, the air pressure of vacuum chamber one 3-1 and surge tank 35 Identical and be higher than 1/4 atmospheric pressure, three 1-4 of gas pressure regulator work, extraction section air, surge tank 35 is reduced to 1/4 atmospheric pressure； Open two 3-13 of solenoid valve, control system of gas pressure intensity 1-1 work, until atmospheric pressure is reduced to 1/100 atmospheric pressure, two 3-13 of solenoid valve It closes, object to be packaged is packaged；Five 3-4 of solenoid valve is opened, until pressure balance is closed, surge tank 35 is lower than 1/4 atmosphere Pressure, three 1-4 of gas pressure regulator does not work at this time, and air is by supplementing and extracting out more when next one 3-1 connection of packaging recycle vacuum chamber Remaining air；Four 3-3 of solenoid valve is opened, until pressure balance is closed, surge tank 24 is lower than 1/2 atmospheric pressure, at this time gas pressure regulator two 1-3 does not work, and air when next one 3-1 connection of packaging recycle vacuum chamber by supplementing and extracting additional air out；Open solenoid valve three 3-2, until pressure balance is closed, surge tank 1 is lower than 3/4 atmospheric pressure, and one 1-2 of gas pressure regulator does not work at this time, and air is under It supplements when one packaging recycle vacuum chamber, one 3-1 connection and extracts additional air out；One 3-11 of solenoid valve is opened, until pressure balance is closed It closes, air pressure restores to 1 atmospheric pressure, opens one 3-1 of vacuum chamber taking-up and has packed completion object, is put into new object to be packaged and carries out next packet Dress circulation.

Further, single vacuum chamber work system course of work of five sections of section vacuum pumping technologies is as follows: forvacuum: vacuum Pump operation, 1/100 atmospheric pressure needed for vacuum tank 2 is evacuated to vacuum packaging, and keep air pressure steady by control system of gas pressure intensity 1-1 It is fixed；It is 4/5 atmospheric pressure that surge tank 1, which is evacuated to air pressure, and by one 1-2 of gas pressure regulator control for not higher than this numerical value；It will It is 3/5 atmospheric pressure that surge tank 24, which is evacuated to air pressure, and by two 1-3 of gas pressure regulator control for not higher than this numerical value；By surge tank 35 are evacuated to air pressure as 2/5 atmospheric pressure, and by three 1-4 of gas pressure regulator control for not higher than this numerical value；Surge tank 46 is taken out It is 4/5 atmospheric pressure to air pressure, and by four 1-5 of gas pressure regulator control for not higher than this numerical value；

One 3-1 of vacuum chamber is closed after object to be packaged will be packed into one 3-1 of vacuum chamber；Three 3-2 of solenoid valve is opened, until pressure is flat Weighing apparatus is closed, and one 3-1 of vacuum chamber is identical as the air pressure of surge tank 1 and is higher than 4/5 atmospheric pressure, and one 1-2 of gas pressure regulator work is taken out Partial air out, surge tank 1 are reduced to 4/5 atmospheric pressure；Four 3-3 of solenoid valve is opened, until pressure balance is closed, one 3-1 of vacuum chamber It is identical as the air pressure of surge tank 24 and be higher than 3/5 atmospheric pressure, two 1-3 of gas pressure regulator work, extraction section air, surge tank 24 are reduced to 3/5 atmospheric pressure；Five 3-4 of solenoid valve is opened, until pressure balance is closed, the air pressure of vacuum chamber one 3-1 and surge tank 35 Identical and be higher than 2/5 atmospheric pressure, three 1-4 of gas pressure regulator work, extraction section air, surge tank 35 is reduced to 2/5 atmospheric pressure； Six 3-5 of solenoid valve is opened, until pressure balance is closed, one 3-1 of vacuum chamber is identical as the air pressure of surge tank 46 and is higher than 1/5 atmosphere Pressure, four 1-5 of gas pressure regulator work, extraction section air, surge tank 46 are reduced to 1/5 atmospheric pressure；Two 3-13 of solenoid valve is opened, Control system of gas pressure intensity 1-1 work, until atmospheric pressure is reduced to 1/100 atmospheric pressure, two 3-13 of solenoid valve is closed, by object to be packaged into Row encapsulation；Six 3-5 of solenoid valve is opened, until pressure balance is closed, surge tank 46 is lower than 1/5 atmospheric pressure, at this time gas pressure regulator four 1-5 does not work, and air when next one 3-1 connection of packaging recycle vacuum chamber by supplementing and extracting additional air out；Open solenoid valve five 3-4, until pressure balance is closed, surge tank 35 is lower than 2/5 atmospheric pressure, and three 1-4 of gas pressure regulator does not work at this time, and air is under It supplements when one packaging recycle vacuum chamber, one 3-1 connection and extracts additional air out；Four 3-3 of solenoid valve is opened, until pressure balance is closed, Surge tank 24 is lower than 3/5 atmospheric pressure, and two 1-3 of gas pressure regulator does not work at this time, and air is by next one 3- of packaging recycle vacuum chamber It supplements when 1 connection and extracts additional air out；Three 3-2 of solenoid valve is opened, until pressure balance is closed, surge tank 1 is lower than 4/5 atmosphere Pressure, one 1-2 of gas pressure regulator does not work at this time, and air is by supplementing and extracting out more when next one 3-1 connection of packaging recycle vacuum chamber Remaining air；One 3-11 of solenoid valve is opened, until pressure balance is closed, air pressure restores to 1 atmospheric pressure, opens one 3-1 of vacuum chamber and takes out Completion object has been packed, new object to be packaged has been put into and carries out next packaging recycle.

Further, the continuous packaging process of more vacuum chambers: by being segmented vacuum pumping technology scheme above it is found that taking out with three sections true Empty technology is similar, and the packaging process of four sections of vacuum pumping technology list vacuum chambers is divided into 8 steps: taking out from one 3-1 of vacuum chamber complete At packing material, it is packed into object to be packaged and closes one 3-1 of vacuum chamber；Connect surge tank 1, one 3-1 of vacuum chamber decompression；Connection buffering Tank 24, one 3-1 of vacuum chamber decompression；Connect surge tank 35, one 3-1 of vacuum chamber decompression；Vacuum tank 2 is connected, one 3-1 of vacuum chamber subtracts It presses and completes to encapsulate；Connect surge tank 35, one 3-1 of vacuum chamber boosting；Connect surge tank 24, one 3-1 of vacuum chamber boosting；Connection Surge tank 1, one 3-1 of vacuum chamber boosting.

Further, the packaging process of five sections of vacuum pumping technology list vacuum chambers is divided into ten steps: taking from one 3-1 of vacuum chamber Packing material is completed out, be packed into object to be packaged and closes one 3-1 of vacuum chamber；Connect surge tank 1, one 3-1 of vacuum chamber decompression；Even Connect surge tank 24, one 3-1 of vacuum chamber decompression；Connect surge tank 35, one 3-1 of vacuum chamber decompression；Connect surge tank 46, vacuum One 3-1 of room decompression；Vacuum tank 2 is connected, one 3-1 of vacuum chamber is depressurized and completed to encapsulate；Connect surge tank 46, one 3-1 liter of vacuum chamber Pressure；Connect surge tank 35, one 3-1 of vacuum chamber boosting；Connect surge tank 24, one 3-1 of vacuum chamber boosting；Surge tank 1 is connected, One 3-1 of vacuum chamber boosting.

Further, realize that continuous packaging needs each step there are one or several vacuum chamber units to work at the same time, three sections Vacuum pumping technology needs the vacuum chamber unit of six and/or six integral multiple to work at the same time；Realize that continuous packaging needs each step to have One or several vacuum chambers work at the same time, and the packaging process of four sections of vacuum pumping technology list vacuum chambers is divided into eight steps, need eight Or eight vacuum chamber of integral multiple works at the same time, the packaging process of five sections of vacuum pumping technology list vacuum chambers is divided into ten steps, needs The vacuum chamber of ten or ten integral multiple is wanted to work at the same time, the packaging process of N sections of vacuum pumping technology list vacuum chambers is divided into 2 × N number of step Suddenly, the vacuum chamber of the integral multiple of 2 × N or 2 × N is needed to work at the same time, each vacuum chamber is evenly distributed in asynchronous in the course of work Suddenly；Four sections, five sections, the N sections of continuous packaging process of vacuum pumping technology it is similar to three sections of continuous packaging process of vacuum pumping technology, Mei Gezhen Corresponding solenoid valve is opened by packing work sequence and closed to empty room unit, and primary packaging can be completed, distinguished by job order A packaging recycle can be completed at eight, ten times, all vacuum chamber units return to original state；Except connection 2 He of vacuum tank Take out packing material and the step of be packed into object to be packaged except, the vacuum chamber of air pressure decline stage and in air pressure ascent stage Vacuum chamber is connected up to pressure balance with corresponding surge tank by solenoid valve simultaneously, and gas pressure regulator is without frequently opening；With The continuous packaging process of three sections of vacuum pumping technologies is similar, and cooperation electronic control system controls multiple vacuum chambers, solenoid valve, Make-and-break time and sequence are distributed, is not only able to achieve continuous production, and energy saving, more efficient；

The natural number that the N is 1 or 1 or more；

The vacuum unit may include multiple vacuum chambers.

Further, one 2-1 of pipeline, two 2-2 of pipeline, ten 2-10 of pipeline by pipeline, multiple solenoid valves can with it is multiple true Empty room one is connected；

One 2-1 of pipeline, two 2-2 of pipeline, three 2-3 of pipeline, ten 2-10 of pipeline by pipeline, multiple solenoid valves can with it is multiple true Empty room one is connected；

One 2-1 of pipeline, two 2-2 of pipeline, three 2-3 of pipeline, four 2-4 of pipeline, ten 2-10 of pipeline pass through pipeline, multiple solenoid valves It can be connected with multiple vacuum chambers one.

Further, to make vacuum tank 2, surge tank 1, surge tank 24, surge tank 35, gas in 46 tank of surge tank Pressure is not in larger fluctuation, and vacuum tank 2, surge tank 1, surge tank 24, surge tank 35, the volume of surge tank 46 are big In the volume of vacuum chamber assembly.

The principle of segmentation vacuum pumping technology is: normal pressure is uniformly divided into several segments between atmospheric pressure value needed for being vacuum-packed, Since the vacuum chamber of vacuum packaging sealing task is completed, air pressure is low before restoring normal pressure, to aspirator vacuum room air pressure height, utilizes Complete packaging task vacuum chamber striping order extract different phase to aspirator vacuum room, complete packaging task gas pressure in vacuum Segmentation rises, until restoring normal pressure, takes out packed article, is segmented and declines to evacuated chamber's air pressure, until air pressure needed for reaching packaging. This technology major part stage is pressure natural equilibrium process, and the final stage only dropped under pneumatic pressure needs vaccum-pumping equipment to be evacuated to needs Vacuum degree, consuming energy is seldom.

On the basis of the present invention in the ideal situation, practical situations are fully considered, for example piping connection is airtight Property, segmentation vacuum pumping technology scheme is optimized in complexity and air pressure change, the grade that influences each other factors.Optimization Technical solution increase surge tank, realize the simplification of vacuum line.

Structure of the invention is reasonable, solves the problems, such as that existing vacuum packing machine exists, the principle for being segmented vacuum pumping technology is: Normal pressure is uniformly divided into several segments between atmospheric pressure value needed for being vacuum-packed, since the vacuum of vacuum packaging sealing task is completed Room one restores to be still in low pressure state before normal pressure, and to one air pressure of aspirator vacuum room height, utilize completion packaging task Vacuum chamber one segmentation extract different phase to aspirator vacuum room one.It is completed in one air pressure of packaging task vacuum chamber segmentation in the process It rises, until restoring normal pressure, takes out packed article, be put into object to be packaged, complete a packaging recycle, followed into next vacuum packaging Ring.To one air pressure of evacuated chamber be segmented decline, this stage be pressure natural equilibrium process, the final stage only dropped under pneumatic pressure by Vaccum-pumping equipment is evacuated to the vacuum degree of needs, and consuming energy is seldom.

The present invention, can also be according to the difference of air pressure and normal pressure needed for being vacuum-packed other than segmented mode listed above Difference selects two sections or more of segmented mode with reference to efficiency and cost etc. factor.The present invention in practical application, Guarantee it is energy-efficient on the basis of, can according to the requirement of output increase by one quantity of vacuum chamber, realize continuous production and improve produce Amount.Moreover, the application of segmented mode is wider, changes for generating air pressure change or partial pressure, after needing to pressurize Work, gas flush packaging for depressurizing again etc. can apply, and realization is energy-efficient, saves the purpose of gas source.

The above is the embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art, The present invention can have various modifications and variations.Any modification done within the spirit and principles of the present invention, equivalent replacement, Improvement etc. should all be contained within scope of the presently claimed invention.

Claims (10)

1. inner drawing type vacuum packing machine is segmented pumped vacuum systems, it is characterised in that: taken out including three sections of pumped vacuum systems and multistage true Empty set system, three sections of pumped vacuum systems include single vacuum chamber work system, six continuous packaging systems of vacuum chamber, the multistage Pumped vacuum systems includes single vacuum chamber work of single vacuum chamber work system of four sections of vacuum pumping technologies, five sections of section vacuum pumping technologies System, the continuous packaging system of more vacuum chambers；

The composition of single vacuum chamber work system of three sections of vacuum pumping technologies is as follows: vacuum pump (1) passes through pipeline and vacuum tank (2) it is connected, is controlled by control system of gas pressure intensity (1-1), vacuum tank (2), which is in, is vacuum-packed required air pressure；Vacuum tank (2) is logical It crosses pipeline to be connected with surge tank one (3), surge tank two (4), respectively by gas pressure regulator one (1-2), gas pressure regulator two (1-3) Control；Pipeline one (2-1), pipeline two (2-2), pipeline ten (2-10) respectively with surge tank one (3), surge tank two (4), vacuum tank (2) it is connected；Package system needed for vacuum chamber one (3-1) is provided with vacuum packaging, vacuum chamber one (3-1) pass through pipeline and pipeline one (2-1), pipeline two (2-2), pipeline ten (2-10) are connected, respectively by solenoid valve three (3-2), solenoid valve four (3-3), solenoid valve two (3-13) control, and remain turned-off；Vacuum chamber one (3-1) is connected by pipeline with the external world, simultaneously by solenoid valve one (3-11) control It remains turned-off；Pressure gauge (3-12) is housed on vacuum chamber one (3-1), for observing vacuum chamber one (3-1) air pressure；

The composition of single vacuum chamber work system of four sections of vacuum pumping technologies is as follows: vacuum pump (1) passes through pipeline and vacuum tank (2) it is connected, is controlled by control system of gas pressure intensity (1-1), vacuum tank (2), which is in, is vacuum-packed required air pressure；Vacuum tank (2) is logical It crosses pipeline to be connected with surge tank one (3), surge tank two (4), surge tank three (5), respectively by gas pressure regulator one (1-2), air pressure Controller two (1-3), gas pressure regulator three (1-4) control；Pipeline one (2-1), pipeline two (2-2), pipeline three (2-3), pipeline Ten (2-10) are connected with surge tank one (3), surge tank two (4), surge tank three (5), vacuum tank (2) respectively；Vacuum chamber one (3-1) Package system needed for being provided with vacuum packaging, vacuum chamber one (3-1) pass through pipeline and pipeline one (2-1), pipeline two (2-2), pipe Road three (2-3), pipeline ten (2-10) are connected, respectively by solenoid valve three (3-2), solenoid valve four (3-3), solenoid valve five (3-4), electricity Magnet valve two (3-13) control, and remain turned-off；Vacuum chamber one (3-1) is connected by pipeline with the external world, by solenoid valve one (3-11) It controls and remains turned-off；Pressure gauge (3-12) is housed on vacuum chamber one (3-1), for observing vacuum chamber one (3-1) air pressure；

The composition of single vacuum chamber work system of five sections of section vacuum pumping technologies is as follows: vacuum pump (1) passes through pipeline and vacuum Tank (2) is connected, and is controlled by control system of gas pressure intensity (1-1), and vacuum tank (2), which is in, is vacuum-packed required air pressure；Vacuum tank (2) It is connected by pipeline with surge tank one (3), surge tank two (4), surge tank three (5), surge tank four (6), respectively by pressure control Device one (1-2), gas pressure regulator two (1-3), gas pressure regulator three (1-4), gas pressure regulator four (1-5) control；One (2- of pipeline 1), pipeline two (2-2), pipeline three (2-3), pipeline four (2-4), pipeline ten (2-10) respectively with surge tank one (3), surge tank two (4), surge tank three (5), surge tank four (6), vacuum tank (2) are connected；Vacuum chamber one (3-1) is provided with encapsulation needed for vacuum packaging System, vacuum chamber one (3-1) by pipeline and pipeline one (2-1), pipeline two (2-2), pipeline three (2-3), pipeline four (2-4), Pipeline ten (2-10) is connected, respectively by solenoid valve three (3-2), solenoid valve four (3-3), solenoid valve five (3-4), six (3- of solenoid valve 5), solenoid valve two (3-13) controls, and remains turned-off；Vacuum chamber one (3-1) is connected by pipeline with the external world, by solenoid valve one (3-11) is controlled and is remained turned-off；Pressure gauge (3-12) is housed on vacuum chamber one (3-1), for observing vacuum chamber one (3-1) gas Pressure.

2. inner drawing type vacuum packing machine is segmented pumped vacuum systems according to claim 1, it is characterised in that: described three sections are taken out very Single vacuum chamber work system work step of empty technology include: a step, from vacuum chamber one (3-1) taking-up packing material is completed, fill Enter object to be packaged and closes vacuum chamber one (3-1)；B step, connection surge tank one (3), vacuum chamber one (3-1) decompression；Step c, It connects surge tank two (4), vacuum chamber one (3-1) decompression；Step d, connection vacuum tank (2), vacuum chamber one (3-1) are depressurized and are completed Encapsulation；Step e, connection surge tank two (4), vacuum chamber one (3-1) boosting；F step, connection surge tank one (3), vacuum chamber one (3-1) boosting；

Work first forvacuum before starting: vacuum pump (1) operation, 1/100 atmosphere needed for vacuum tank (2) is evacuated to vacuum packaging Pressure, and stable gas pressure is kept by control system of gas pressure intensity (1-1)；It is 2/3 atmospheric pressure that surge tank one (3), which is evacuated to air pressure, and By gas pressure regulator one (1-2) control for not higher than this numerical value；It is 1/3 atmospheric pressure that surge tank two (4), which is evacuated to air pressure, and by Gas pressure regulator two (1-3) control is not higher than this numerical value；

The course of work: vacuum chamber one (3-1) is closed after object to be packaged being packed into vacuum chamber one (3-1), completes a step；It opens Solenoid valve three (3-2), until pressure balance is closed, vacuum chamber one (3-1) is identical as the air pressure of surge tank one (3) and is higher than 2/3 greatly Air pressure, gas pressure regulator one (1-2) work, extraction section air, surge tank one (3) are reduced to 2/3 atmospheric pressure, complete b step；It beats Open electromagnetic valve four (3-3), until pressure balance is closed, vacuum chamber one (3-1) is identical as the air pressure of surge tank two (4) and is higher than 1/3 Atmospheric pressure, gas pressure regulator two (1-3) work, extraction section air,Surge tank two (4)It is reduced to1/3 atmospheric pressure,Complete step c； It opens solenoid valve two (3-13), control system of gas pressure intensity (1-1) work, until atmospheric pressure is reduced to 1/100 atmospheric pressure, solenoid valve two (3-13) is closed, and object to be packaged is packaged, and completes Step d；It opens solenoid valve four (3-3), until pressure balance is closed, buffering Tank two (4) is lower than 1/3 atmospheric pressure, and gas pressure regulator two (1-3) does not work at this time, and air is by next packaging recycle and vacuum chamber one (3-1) supplements and extracts out additional air when connecting, complete step e；It opens solenoid valve three (3-2), until pressure balance is closed, buffering Tank one (3) is lower than 2/3 atmospheric pressure, and gas pressure regulator one (1-2) does not work at this time, and air is by next packaging recycle and vacuum chamber one (3-1) supplements and extracts out additional air when connecting, complete f step；It opens solenoid valve one (3-11), until pressure balance is closed, gas Pressure is restored to 1 atmospheric pressure, opens vacuum chamber one (3-1) taking-up and has packed completion object, is put into new object to be packaged and completes a step, into The next packaging recycle of row.

3. inner drawing type vacuum packing machine is segmented pumped vacuum systems according to claim 1, it is characterised in that: realize continuous packaging Each step is needed there are one or several vacuum chambers to work at the same time.It is six steps that three sections of vacuum pumping technologies, which complete a packaging recycle, Suddenly, the vacuum chamber of six or six integral multiple is needed to work at the same time；The continuous packaging system continuous work process of six vacuum chambers is as follows: Vacuum chamber unit includes vacuum chamber unit one, vacuum chamber unit two, vacuum chamber unit three, vacuum chamber unit four, vacuum chamber unit Five, vacuum chamber unit six；Vacuum chamber unit one include: vacuum chamber one (3-1), solenoid valve one (3-11), solenoid valve two (3-13), Solenoid valve three (3-2), solenoid valve four (3-3), pressure gauge (3-12)；Vacuum chamber unit two includes: vacuum chamber two (4-1), second Solenoid valve one (4-11), second solenoid valve two (4-13), second solenoid valve three (4-2), second solenoid valve four (4-3), the second pressure Power table (4-12), vacuum chamber unit three guarantees include: vacuum chamber three (5-1), third solenoid valve one (5-11), two (5- of third solenoid valve 13), third solenoid valve three (5-2), third solenoid valve four (5-3), third pressure gauge (5-12), vacuum chamber unit four include: true Empty room four (6-1), the 4th solenoid valve one (6-11), the 4th solenoid valve two (6-13), the 4th solenoid valve three (6-2), the 4th electromagnetism Valve four (6-3), the 4th pressure gauge (6-12), vacuum chamber unit five include: vacuum chamber five (7-1), the 5th solenoid valve one (7-11), 5th solenoid valve two (7-13), the 5th solenoid valve three (7-2), the 5th solenoid valve four (7-3), the 5th pressure gauge (7-12), vacuum Chamber unit six includes: vacuum chamber six (8-1), the 6th solenoid valve one (8-11), the 6th solenoid valve two (8-13), the 6th solenoid valve three (8-2), the 6th solenoid valve four (8-3), the 6th pressure gauge (8-12)；Vacuum chamber unit one, vacuum chamber unit two, vacuum chamber unit Three, vacuum chamber unit four, vacuum chamber unit five, vacuum chamber unit six respectively with pipeline one (2-1), pipeline two (2-2), pipeline ten (2-10) connection；In continuous packaging process, after packaging system is stable, surge tank one (3), surge tank two (4), vacuum tank (2) air pressure of normal operating conditions, vacuum chamber unit one, vacuum chamber unit two, vacuum chamber unit three, vacuum chamber list have been in Member four, the original state of vacuum chamber unit five, vacuum chamber unit six are as follows: it is built-in that vacuum chamber unit one completes vacuum chamber one (3-1) It is closed after entering object to be packaged, (3-1) air pressure of vacuum chamber one is 1 atmospheric pressure, that is, a step is completed；Vacuum chamber unit two complete with The connection of surge tank one (3), (4-1) air pressure of vacuum chamber two are 2/3 atmospheric pressure, that is, b step is completed；Vacuum chamber unit three is completed With the connection of surge tank two (4), (5-1) air pressure of vacuum chamber three is 1/3 atmospheric pressure, that is, step c is completed；Vacuum chamber unit four with The connection of vacuum tank (2) reaches setting atmospheric pressure value and encapsulates completion, and (6-1) air pressure of vacuum chamber four is 1/100 atmospheric pressure, i.e., Complete Step d；Vacuum chamber unit five completes the connection with surge tank two (4), and (7-1) air pressure of vacuum chamber five is 1/3 atmospheric pressure, i.e., Step e is completed；Vacuum chamber unit six completes the connection with surge tank one (3), and (8-1) air pressure of vacuum chamber six is 2/3 atmospheric pressure, F step is completed；

Completing primary production packaging only need to open simultaneously and close following solenoid valve: solenoid valve three (3-2), second solenoid valve four (4-3), third solenoid valve two (5-13), the 4th solenoid valve four (6-3), the 5th solenoid valve three (7-2), one (8- of the 6th solenoid valve 11)；Detailed process are as follows: open solenoid valve three (3-2) and the 5th solenoid valve three (7-2), vacuum chamber one (3-1) and vacuum chamber five (7-1) is connect with surge tank one (3) simultaneously, and atmospheric pressure value is slightly above 2/3 atmospheric pressure, solenoid valve three (3-2), the 5th after pressure balance Solenoid valve three (7-2) is closed, and gas pressure regulator one (1-2) work, surge tank one (3) drops to 2/3 atmospheric pressure, gas pressure regulator One (1-2) is closed, and vacuum chamber unit one completes b step, and vacuum chamber unit five completes f step；It opens second solenoid valve four (4-3) With the 4th solenoid valve four (6-3), vacuum chamber two (4-1) is connect with surge tank two (4) simultaneously with vacuum chamber four (6-1), and pressure is flat Atmospheric pressure value is slightly above 1/3 atmospheric pressure after weighing apparatus, and second solenoid valve four (4-3), the 4th solenoid valve four (6-3) are closed, gas pressure regulator Two (1-3) work, surge tank two (4) drop to 1/3 atmospheric pressure, and gas pressure regulator two (1-3) is closed, and vacuum chamber unit two is completed Step c, vacuum chamber unit four complete step e；It opens third solenoid valve two (5-13), vacuum chamber three (5-1) and vacuum tank (2) are even It connects, control system of gas pressure intensity (1-1) work, until atmospheric pressure is reduced to 1/100 atmospheric pressure, third solenoid valve two (5-13) is closed, Object to be packaged is completed to encapsulate, vacuum chamber unit three completes Step d；Open the 6th solenoid valve one (8-11), vacuum chamber six (8-1) It is connect with the external world, air pressure restores to 1 atmospheric pressure after pressure balance, closes the 6th solenoid valve one (8-11), opens six (8- of vacuum chamber 1) it takes out and has packed completion object, close vacuum chamber (8-1) after being put into new object to be packaged, vacuum chamber unit six completes a step；This mistake After the completion of journey, each vacuum chamber unit completes a work step in order respectively, and six vacuum chamber units complete a packet Fill six different steps of circulation；Each vacuum chamber unit is opened by packing work sequence and closes next solenoid valve Product packaging next time is carried out, a packaging recycle can be completed by six product packagings of the every completion of job order；Due to six A step and Step d deadline are longer in packaging step, other Step Times are very short, and therefore, each step has multiple true simultaneously Empty room cell operation can be such that packaging speed significantly improves.

4. inner drawing type vacuum packing machine is segmented pumped vacuum systems according to claim 1, it is characterised in that: described four sections are taken out very Single vacuum chamber work system course of work of empty technology are as follows: forvacuum: vacuum tank (2) is evacuated to vacuum by vacuum pump (1) operation 1/100 atmospheric pressure needed for packing, and stable gas pressure is kept by control system of gas pressure intensity (1-1)；Surge tank one (3) is evacuated to gas Pressure is 3/4 atmospheric pressure, and by gas pressure regulator one (1-2) control for not higher than this numerical value；Surge tank two (4) is evacuated to air pressure For 1/2 atmospheric pressure, and by gas pressure regulator two (1-3) control for not higher than this numerical value；Surge tank three (5), which is evacuated to air pressure, is 1/4 atmospheric pressure, and by gas pressure regulator three (1-4) control for not higher than this numerical value；

Vacuum chamber one (3-1) is closed after object to be packaged being packed into vacuum chamber one (3-1)；It opens solenoid valve three (3-2), until pressure Balance is closed, and vacuum chamber one (3-1) is identical as the air pressure of surge tank one (3) and is higher than 3/4 atmospheric pressure, one (1- of gas pressure regulator 2) it works, extraction section air, surge tank one (3) is reduced to 3/4 atmospheric pressure；It opens solenoid valve four (3-3), until pressure balance is closed It closing, vacuum chamber one (3-1) is identical as the air pressure of surge tank two (4) and is higher than 1/2 atmospheric pressure, gas pressure regulator two (1-3) work, Extraction section air, surge tank two (4) are reduced to 1/2 atmospheric pressure；It opens solenoid valve five (3-4), until pressure balance is closed, vacuum chamber One (3-1) is identical as the air pressure of surge tank three (5) and is higher than 1/4 atmospheric pressure, gas pressure regulator three (1-4) work, extraction section Air, surge tank three (5) are reduced to 1/4 atmospheric pressure；It opens solenoid valve two (3-13), control system of gas pressure intensity (1-1) work, until Atmospheric pressure is reduced to 1/100 atmospheric pressure, and solenoid valve two (3-13) closes, object to be packaged is packaged；Open five (3- of solenoid valve 4), until pressure balance close, surge tank three (5) be lower than 1/4 atmospheric pressure, gas pressure regulator three (1-4) does not work at this time, air by Next packaging recycle vacuum chamber one (3-1) supplements when connecting and extracts additional air out；It opens solenoid valve four (3-3), until pressure is flat Weighing apparatus is closed, and surge tank two (4) is lower than 1/2 atmospheric pressure, and gas pressure regulator two (1-3) does not work at this time, and air is followed by next packaging Ring vacuum chamber one (3-1) supplements when connecting and extracts additional air out；It opens solenoid valve three (3-2), until pressure balance is closed, buffering Tank one (3) is lower than 3/4 atmospheric pressure, and gas pressure regulator one (1-2) does not work at this time, and air is by next packaging recycle vacuum chamber one (3-1) is supplemented when connecting and is extracted additional air out；It opens solenoid valve one (3-11), until pressure balance is closed, air pressure restores to 1 greatly Air pressure opens vacuum chamber one (3-1) taking-up and has packed completion object, is put into new object to be packaged and carries out next packaging recycle.

5. inner drawing type vacuum packing machine is segmented pumped vacuum systems according to claim 1, it is characterised in that: described five sections are taken out very Single vacuum chamber work system course of work of empty technology is as follows: forvacuum: vacuum tank (2) is evacuated to very by vacuum pump (1) operation 1/100 atmospheric pressure needed for empty package, and stable gas pressure is kept by control system of gas pressure intensity (1-1)；Surge tank one (3) is evacuated to Air pressure is 4/5 atmospheric pressure, and by gas pressure regulator one (1-2) control for not higher than this numerical value；Surge tank two (4) is evacuated to gas Pressure is 3/5 atmospheric pressure, and by gas pressure regulator two (1-3) control for not higher than this numerical value；Surge tank three (5) is evacuated to air pressure For 2/5 atmospheric pressure, and by gas pressure regulator three (1-4) control for not higher than this numerical value；Surge tank four (6), which is evacuated to air pressure, is 1/5 atmospheric pressure, and by gas pressure regulator four (1-5) control for not higher than this numerical value；

Vacuum chamber one (3-1) is closed after object to be packaged being packed into vacuum chamber one (3-1)；It opens solenoid valve three (3-2), until pressure Balance is closed, and vacuum chamber one (3-1) is identical as the air pressure of surge tank one (3) and is higher than 4/5 atmospheric pressure, one (1- of gas pressure regulator 2) it works, extraction section air, surge tank one (3) is reduced to 4/5 atmospheric pressure；It opens solenoid valve four (3-3), until pressure balance is closed It closing, vacuum chamber one (3-1) is identical as the air pressure of surge tank two (4) and is higher than 3/5 atmospheric pressure, gas pressure regulator two (1-3) work, Extraction section air, surge tank two (4) are reduced to 3/5 atmospheric pressure；It opens solenoid valve five (3-4), until pressure balance is closed, vacuum chamber One (3-1) is identical as the air pressure of surge tank three (5) and is higher than 2/5 atmospheric pressure, gas pressure regulator three (1-4) work, extraction section Air, surge tank three (5) are reduced to 2/5 atmospheric pressure；It opens solenoid valve six (3-5), until pressure balance is closed, vacuum chamber one (3-1) It is identical as the air pressure of surge tank four (6) and be higher than 1/5 atmospheric pressure, gas pressure regulator four (1-5) work, extraction section air, delay It rushes tank four (6) and is reduced to 1/5 atmospheric pressure；It opens solenoid valve two (3-13), control system of gas pressure intensity (1-1) work, until atmospheric pressure It is reduced to 1/100 atmospheric pressure, solenoid valve two (3-13) closes, object to be packaged is packaged；It opens solenoid valve six (3-5), until pressure Dynamic balance is closed, and surge tank four (6) is lower than 1/5 atmospheric pressure, and gas pressure regulator four (1-5) does not work at this time, and air is by next packet It supplements when dress circulating vacuum room one (3-1) connection and extracts additional air out；It opens solenoid valve five (3-4), until pressure balance is closed, Surge tank three (5) is lower than 2/5 atmospheric pressure, and gas pressure regulator three (1-4) does not work at this time, and air is by next packaging recycle vacuum chamber It supplements when one (3-1) connection and extracts additional air out；It opens solenoid valve four (3-3), until pressure balance is closed, surge tank two (4) Lower than 3/5 atmospheric pressure, gas pressure regulator two (1-3) does not work at this time, and air is connected by next packaging recycle vacuum chamber one (3-1) When supplement and extract additional air out；It opens solenoid valve three (3-2), until pressure balance is closed, surge tank one (3) is lower than 4/5 atmosphere Pressure, gas pressure regulator one (1-2) does not work at this time, and air is supplemented and taken out when being connected by next packaging recycle vacuum chamber one (3-1) Additional air out；It opens solenoid valve one (3-11), until pressure balance is closed, air pressure restores to 1 atmospheric pressure, opens vacuum chamber one Completion object has been packed in (3-1) taking-up, is put into new object to be packaged and is carried out next packaging recycle.

6. inner drawing type vacuum packing machine is segmented pumped vacuum systems according to claim 1, it is characterised in that: more vacuum chambers Continuous packaging process: by being segmented vacuum pumping technology scheme above it is found that, four section vacuum pumping technologies similar with three sections of vacuum pumping technologies The packaging process of single vacuum chamber is divided into eight steps: packing material is completed from vacuum chamber one (3-1) taking-up, is packed into object to be packaged simultaneously It closes vacuum chamber one (3-1)；It connects surge tank one (3), vacuum chamber one (3-1) decompression；It connects surge tank two (4), vacuum chamber one (3-1) decompression；It connects surge tank three (5), vacuum chamber one (3-1) decompression；It connects vacuum tank (2), vacuum chamber one (3-1) depressurizes simultaneously Complete encapsulation；It connects surge tank three (5), vacuum chamber one (3-1) boosting；It connects surge tank two (4), vacuum chamber one (3-1) boosting； It connects surge tank one (3), vacuum chamber one (3-1) boosting.

7. inner drawing type vacuum packing machine is segmented pumped vacuum systems according to claim 1, it is characterised in that: described five sections are taken out very The packaging process of empty technology list vacuum chamber is divided into ten steps: packing material is completed from vacuum chamber one (3-1) taking-up, is packed into wait wrap Dress object simultaneously closes vacuum chamber one (3-1)；It connects surge tank one (3), vacuum chamber one (3-1) decompression；It connects surge tank two (4), very Empty room one (3-1) decompression；It connects surge tank three (5), vacuum chamber one (3-1) decompression；It connects surge tank four (6), one (3- of vacuum chamber 1) it depressurizes；It connects vacuum tank (2), vacuum chamber one (3-1) depressurizes and completes to encapsulate；It connects surge tank four (6), one (3- of vacuum chamber 1) it boosts；It connects surge tank three (5), vacuum chamber one (3-1) boosting；It connects surge tank two (4), vacuum chamber one (3-1) boosting；Even Connect surge tank one (3), vacuum chamber one (3-1) boosting.

8. inner drawing type vacuum packing machine is segmented pumped vacuum systems according to claim 1, it is characterised in that: realize continuous packaging Each step is needed there are one or several vacuum chambers to work at the same time, three sections of vacuum pumping technologies need the true of six and/or six integral multiple Empty room works at the same time；The packaging process of four sections of vacuum pumping technology list vacuum chambers is divided into eight steps, needs eight or eight integral multiple Vacuum chamber work at the same time, the packaging process of five sections of vacuum pumping technology list vacuum chambers is divided into ten steps, need ten or ten it is whole The vacuum chamber of several times works at the same time, and the packaging process of N sections of vacuum pumping technology list vacuum chambers is divided into 2 × N number of step, need 2 × N or The vacuum chamber of the integral multiple of 2 × N works at the same time, and each vacuum chamber is evenly distributed in different step in the course of work；Four sections, five sections, N The section continuous packaging process of vacuum pumping technology is similar to three sections of continuous packaging process of vacuum pumping technology, and each vacuum chamber unit is by packaging Corresponding solenoid valve is opened and closed to job order, and primary packaging can be completed, and being respectively completed eight, ten times by job order can be complete Cheng Yici packaging recycle, all vacuum chamber units return to original state；Except packing material has been simultaneously for connection vacuum tank (2) and taking-up Except the step of being packed into object to be packaged, the vacuum chamber of air pressure decline stage and the vacuum chamber in air pressure ascent stage pass through electricity Magnet valve is connected up to pressure balance with corresponding surge tank simultaneously, and gas pressure regulator is without frequently opening；Skill is vacuumized with three sections The continuous packaging process of art is similar, and cooperation electronic control system controls multiple vacuum chambers, solenoid valve, distributes make-and-break time Continuous automatic production is realized with sequence；

The natural number that the N is 1 or 1 or more；

The vacuum unit may include multiple vacuum chambers.

9. inner drawing type vacuum packing machine is segmented pumped vacuum systems according to claim 1, it is characterised in that: the pipeline one (2-1), pipeline two (2-2), pipeline ten (2-10) can be connected by pipeline, multiple solenoid valves with multiple vacuum chambers one；

The pipeline one (2-1), pipeline two (2-2), pipeline three (2-3), pipeline ten (2-10) can by pipeline, multiple solenoid valves It is connected with multiple vacuum chambers one；

The pipeline one (2-1), pipeline two (2-2), pipeline three (2-3), pipeline four (2-4), pipeline ten (2-10) by pipeline, Multiple solenoid valves can be connected with multiple vacuum chambers one.

10. inner drawing type vacuum packing machine is segmented pumped vacuum systems according to claim 1, it is characterised in that: to make vacuum tank (2), surge tank one (3), surge tank two (4), surge tank three (5), air pressure is not in larger wave in surge tank four (6) tank It is dynamic, vacuum tank (2), surge tank one (3), surge tank two (4), surge tank three (5), surge tank four (6) volume be greater than vacuum chamber The volume of assembly.