CN102991746B - Vacuum line system - Google Patents

Vacuum line system Download PDF

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Publication number
CN102991746B
CN102991746B CN201210515410.0A CN201210515410A CN102991746B CN 102991746 B CN102991746 B CN 102991746B CN 201210515410 A CN201210515410 A CN 201210515410A CN 102991746 B CN102991746 B CN 102991746B
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vacuum
communicated
piston
line system
valve body
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CN102991746A (en
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郑友林
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Chengdu Haike Mechanical Equipment Manufacturing Co Ltd
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Chengdu Haike Mechanical Equipment Manufacturing Co Ltd
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Abstract

The invention discloses a vacuum line system which comprises a connecting pipe, a vacuum pump and a vacuum three-way valve, wherein the vacuum three-way valve is respectively communicated with the two ends of the connecting pipe, the connecting pipe is communicated with the vacuum pump, an opening A of the vacuum three-way valve is communicated with the atmosphere, an opening B of the vacuum three-way valve is communicated with a corresponding vacuum chamber, an opening C of the vacuum three-way valve is communicated with the connecting pipe, the opening B end of the vacuum three-way valve is communicated with a port of an electromagnetic valve through a branch connecting pipe, another port of the electromagnetic valve is communicated with an airbag through an air pipe, the electromagnetic valve is also provided with a port communicated with the atmosphere, and the branch connecting pipe is provided with a pressure detector for detecting the internal pressure of the branch connecting pipe. According to the invention, the airbag of a thermal package mechanism is connected with the electromagnetic valve, and then the electromagnetic valve is connected with the port communicated with the vacuum chamber in the vacuum three-way valve through the branch connecting pipe, so that a path between the airbag and the vacuum chamber is cut off in the process of thermal package through controlling the opening and closing of the electromagnetic valve, and the airbag is expanded by using the difference between the atmosphere and the internal pressure of the airbag, thereby completing a thermal package action.

Description

A kind of vacuum line system
Technical field
The present invention relates to a kind of vacuum line system being applicable in full-automatic vacuum packaging machine.
Background technology
At present, in the disclosed heat-seal of full-automatic vacuum packaging machine (CN201110373338.8) mechanism, when sealing, need to adopt vacuum pump to airbag aeration, complete after vacuum packaging, again air bag is carried out to pressure release, during i.e. each heat-sealing, all need to airbag aeration, in addition, in vacuum line generation systems, for being communicated with the control cock of vacuum pump and two vacuum chambers, it is tee ball valve, vacuumize with vacuum breaker and carry out by tee ball valve, and adopt tee ball valve major defect, be that execution speed is slow, sometimes actr is failure to actuate, cause machine work mal, fluctuation of service, have a strong impact on the processing of product.
Summary of the invention
Goal of the invention of the present invention is, problem for above-mentioned existence, provide a kind of utilize atmosphere and intracapsular pressure poor and air bag is expanded, without vacuum pump, inflate heat-sealing under vacuum state to move, and vacuum line system simple in structure, execution speed is fast, stable.
Technical scheme of the present invention is achieved in that a kind of vacuum line system, it is characterized in that: comprise connection pipe, vacuum pump and the vacuum triple valve being communicated with connection pipe two ends respectively, described connection pipe is communicated with vacuum pump, the opening A of described vacuum triple valve is communicated with atmosphere, opening B and corresponding vacuum chamber, open C is communicated with connection pipe, the opening B end of described vacuum triple valve is communicated with a port of electromagnetic valve by connecting branch, the another port of described electromagnetic valve is communicated with air bag by tracheae, described electromagnetic valve is also provided with the port being communicated with atmosphere, on described connecting branch, be provided with the pressure detector for detection of connecting branch internal pressure.
Vacuum line system of the present invention, described in it, vacuum triple valve comprises valve body and is arranged on the piston component in valve body, the upper and lower two ends of described valve body are respectively arranged with upper end cover and bottom end cover, described valve inner is divided into the upper cavity being interconnected, middle cavity and lower chamber, the opening A of described vacuum triple valve is communicated with upper cavity, opening B is communicated with middle cavity, open C is communicated with lower chamber, described piston component comprises upper piston and the lower piston being separately positioned in upper cavity and lower chamber, described upper piston and lower piston interconnect by the connecting rod being arranged in middle cavity, the valve interior wall upper and lower side that described middle cavity is corresponding is boss structure, described upper piston lower surface can be corresponding with middle cavity valve interior wall upper end projection section fit tightly, so that upper cavity and middle cavity are isolated mutually, described lower piston upper surface can be corresponding with middle cavity valve interior wall lower end projection section fit tightly, so that lower chamber and middle cavity are isolated mutually, described piston component is by its moving up and down in valve body of driving mechanisms control.
Vacuum line system of the present invention, it is fixedly installed respectively slide shaft and downslide moving axis at the upper and lower two ends of described connecting rod, described upper piston is by upper slide shaft and be arranged on upper limit packing ring on connecting rod and fix on the top of connecting rod, and described lower piston fixes the bottom at connecting rod by downslide moving axis and the lower limit packing ring that is arranged on connecting rod.
Vacuum line system of the present invention, its slide shaft and the junction of upper piston and junction of downslide moving axis and lower piston on described are respectively arranged with O RunddichtringO.
Vacuum line system of the present invention, described in it, driver train comprises the driving cylinder being arranged on mount pad, described mount pad is connected with the screw mandrel being fixed on upper end cover, the upper end of described upper slide shaft passes upper end cover, and the piston rod of described driving cylinder is connected with upper slide shaft by being arranged on the connector of upper slide shaft upper end.
Vacuum line system of the present invention, described in it, upper end cover middle part extends to form guide-localization section in valve body, between slide shaft and the guide-localization section of upper end cover, be provided with guide-localization cover on described, described guide-localization cover fixes by the spacing ring being arranged on upper end cover.
Vacuum line system of the present invention, described in it, the opening B of vacuum triple valve is by vacuum chamber joint and vacuum chamber, and described connection pipe is communicated with vacuum pump by vacuum pump adapter.
Vacuum line system of the present invention, it is provided with the pressure detector of pressure while working for detection of vacuum pump in described vacuum pump adapter place.
Vacuum line system of the present invention, described in it, vacuum chamber joint and connection pipe are connected with open C with the opening B of corresponding vacuum triple valve by Connection Block respectively, the junction being connected with valve body at described Connection Block and bottom end cover is respectively arranged with O RunddichtringO, and described vacuum chamber joint is communicated with a port of electromagnetic valve by connecting branch.
Vacuum line system of the present invention, described in it, connection pipe connects with corresponding Connection Block by fast connecting card.
The present invention is by being connected the air bag of heat-seal mechanism with electromagnetic valve, again electromagnetic valve is connected with the port with vacuum chamber in vacuum triple valve by connecting branch, thereby by controlling the switching of electromagnetic valve, when heat-seal, cut off the path of air bag and vacuum chamber, utilize atmosphere and intracapsular pressure official post air bag to expand, can complete heat-sealing action under vacuum state; Vacuum triple valve is by driving cylinder control plunger assembly moving up and down in valve body in addition, utilize upper and lower piston to control connected state corresponding between each opening, when upper piston is blocked middle cavity upper end, make being communicated with of vacuum pump and vacuum chamber, realization vacuumizes action, when lower piston is blocked middle cavity lower end, vacuum chamber is communicated with atmosphere, realize vacuum breaker action.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is birds-eye view of the present invention.
Fig. 3 is the front view of vacuum triple valve in the present invention.
Fig. 4 is the lateral plan of Fig. 3.
Fig. 5 is A-A cutaway view in Fig. 3.
Mark in figure: 1 is connection pipe, 2 is fast connecting card, 3 is vacuum triple valve, 4a is opening A, 4b is opening B, 4c is open C, 5 is connecting branch, 6 is electromagnetic valve, 7 is tracheae, 8 is valve body, 9a is upper end cover, 9b is bottom end cover, 10a is upper cavity, 10b is middle cavity, 10c is lower chamber, 11a is upper piston, 11b is lower piston, 12 is connecting rod, 13a is upper slide shaft, 13b is downslide moving axis, 14a is upper limit packing ring, 14b is lower limit packing ring, 15 is mount pad, 16 for driving cylinder, 17 is screw mandrel, 18 is connector, 19 is guide-localization cover, 20 is spacing ring, 21 is vacuum chamber joint, 22 is vacuum pump adapter, 23 is Connection Block.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As illustrated in fig. 1 and 2, a kind of vacuum line system, comprise connection pipe 1, vacuum pump and the vacuum triple valve 3 being communicated with connection pipe 1 two ends respectively, described connection pipe 1 is communicated with vacuum pump by vacuum pump adapter 22, is provided with the pressure detector of pressure while working for detection of vacuum pump at described vacuum pump adapter 22 places; The opening A4a of described vacuum triple valve 3 is communicated with atmosphere, opening B4b is by vacuum chamber joint 21 and corresponding vacuum chamber, open C 4c is communicated with connection pipe 1, described vacuum chamber joint 21 is communicated with a port of electromagnetic valve 6 by connecting branch 5, the another port of described electromagnetic valve 6 is communicated with the air bag in heat-seal mechanism by tracheae 7, described electromagnetic valve 6 is also provided with the port being communicated with atmosphere, on described connecting branch 5, is provided with the pressure detector for detection of connecting branch 5 internal pressures.
Wherein, described vacuum chamber joint 21 and connection pipe 1 are connected with open C 4c with the opening B4b of corresponding vacuum triple valve 3 by Connection Block 23 respectively, and the junction being connected with valve body 8 at described Connection Block 23 is provided with O RunddichtringO; Described connection pipe 1 connects with corresponding Connection Block 23 by fast connecting card 2.
As shown in Fig. 3,4 and 5, described vacuum triple valve 3 comprises valve body 8 and is arranged on the piston component in valve body 8, described valve body is respectively arranged with upper end cover 9a and bottom end cover 9b in two ends Shang Xia 8, described valve body 8 inside are divided into the upper cavity 10a being interconnected, middle cavity 10b and lower chamber 10c, the opening A4a of described vacuum triple valve 3 is communicated with upper cavity 10a, opening B4b is communicated with middle cavity 10b, open C 4c is communicated with lower chamber 10c, and the junction being connected with valve body 8 at described bottom end cover 9b is respectively arranged with O RunddichtringO.
Described piston component comprises upper piston 11a and the lower piston 11b being separately positioned in upper cavity 10a and lower chamber 10c, described upper piston 11a and lower piston 11b interconnect by the connecting rod 12 being arranged in middle cavity 10b, at described connecting rod, Shang Xia 12, be fixedly installed respectively slide shaft 13a and downslide moving axis 13b in two ends, described upper piston 11a is by upper slide shaft 13a and be arranged on upper limit packing ring 14a on connecting rod 12 and fix the top at connecting rod 12, described lower piston 11b is by downslide moving axis 13b and be arranged on lower limit packing ring 14b on connecting rod 12 and fix the bottom at connecting rod 12, slide shaft 13a and the junction of upper piston 11a and the junction of downslide moving axis 13b and lower piston 11b are respectively arranged with O RunddichtringO on described.
Wherein, the valve body 8 inwall upper and lower sides that described middle cavity 10b is corresponding are boss structure, described upper piston 11a lower surface can be corresponding with middle cavity 10b valve body 8 inwall upper end projection sections fit tightly, so that upper cavity 10a and middle cavity 10b isolate mutually, described lower piston 11b upper surface can be corresponding with middle cavity 10b valve body 8 inwall lower end projection sections fit tightly, so that lower chamber 10c and middle cavity 10b isolate mutually, described piston component is by its moving up and down in valve body 8 of driving mechanisms control.
Described driver train comprises the driving cylinder 16 being arranged on mount pad 15, described mount pad 15 is connected with the screw mandrel 17 being fixed on upper end cover 9a, the upper end of described upper slide shaft 13a passes upper end cover 9a, the piston rod of described driving cylinder 16 is connected with upper slide shaft 13a by being arranged on the connector 18 of upper slide shaft 13a upper end, described upper end cover 9a middle part extends to form guide-localization section in valve body 8, between slide shaft 13a and the guide-localization section of upper end cover 9a, be provided with guide-localization cover 19 on described, described guide-localization cover 19 fixes by the spacing ring 20 being arranged on upper end cover 9a.
Principle of work of the present invention: at two vacuum chambers not during vacuum operation, with the vacuum triple valve of two corresponding connections of vacuum chamber in closed condition, now lower piston and middle cavity lower end projection section fit tightly, middle cavity and lower chamber are isolated completely, and upper piston is separated with middle cavity upper end projection section so that middle cavity is communicated with upper cavity, now the piston component in vacuum triple valve in limes superiors position, now vacuum chamber communicates with atmosphere, and is not communicated with vacuum pump.
When wherein vacuum chamber carries out vacuum operation on one side, the vacuum triple valve that it is on one side corresponding and electromagnetic valve start, piston component in vacuum triple valve moves to smallest limit position under the effect that drives cylinder, now upper piston and middle cavity upper end projection section fit tightly, middle cavity and upper cavity are isolated completely, and lower piston is separated with middle cavity lower end projection section, so that middle cavity is communicated with lower chamber, thereby cut off the path of air bag and atmosphere in vacuum chamber and heat-seal mechanism, now vacuum pump starts vacuum chamber and air bag to bleed, because air bag is communicated with vacuum chamber joint by connecting branch, so time vacuum indoor pressure identical during with intracapsular pressure, when the pressure detector on connecting branch detects vacuum chamber pressure and has reached predetermined value, closed electromagnetic valve, now air bag is communicated with atmosphere and disconnects with vacuum chamber path, utilize atmosphere and intracapsular pressure poor, air bag is expanded, thereby complete the action of the heat-sealing under vacuum state in vacuum chamber, time delay pressurize set pressure and after the time after heat-sealing, piston component in vacuum triple valve moves to again limes superiors position under the effect that drives cylinder, vacuum chamber atmosphere is communicated, complete vacuum breaker action.The vacuum packaging action of another side is same as described above.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.

Claims (9)

1. a vacuum line system, it is characterized in that: comprise connection pipe (1), vacuum pump and the vacuum triple valve (3) being communicated with connection pipe (1) two ends respectively, described connection pipe (1) is communicated with vacuum pump, the opening A(4a of described vacuum triple valve (3)) be communicated with atmosphere, opening B(4b) with corresponding vacuum chamber, open C (4c) is communicated with connection pipe (1), the opening B(4b of described vacuum triple valve (3)) end is communicated with a port of electromagnetic valve (6) by connecting branch (5), the another port of described electromagnetic valve (6) is communicated with air bag by tracheae (7), described electromagnetic valve (6) is also provided with the port being communicated with atmosphere, on described connecting branch (5), be provided with the pressure detector for detection of connecting branch (5) internal pressure,
Described vacuum triple valve (3) comprises valve body (8) and is arranged on the piston component in valve body (8), the upper and lower two ends of described valve body (8) are respectively arranged with upper end cover (9a) and bottom end cover (9b), described valve body (8) inside is divided into the upper cavity (10a) being interconnected, middle cavity (10b) and lower chamber (10c), the opening A(4a of described vacuum triple valve (3)) be communicated with upper cavity (10a), opening B(4b) be communicated with middle cavity (10b), open C (4c) is communicated with lower chamber (10c), described piston component comprises upper piston (11a) and the lower piston (11b) being separately positioned in upper cavity (10a) and lower chamber (10c), described upper piston (11a) and lower piston (11b) interconnect by the connecting rod (12) being arranged in middle cavity (10b), valve body (8) the inwall upper and lower side that described middle cavity (10b) is corresponding is boss structure, described upper piston (11a) lower surface can be corresponding with middle cavity (10b) valve body (8) inwall upper end projection section fit tightly, so that upper cavity (10a) is isolated mutually with middle cavity (10b), described lower piston (11b) upper surface can be corresponding with middle cavity (10b) valve body (8) inwall lower end projection section fit tightly, so that lower chamber (10c) is isolated mutually with middle cavity (10b), described piston component is by its moving up and down in valve body (8) of driving mechanisms control.
2. vacuum line system according to claim 1, it is characterized in that: at the upper and lower two ends of described connecting rod (12), be fixedly installed respectively upper slide shaft (13a) and downslide moving axis (13b), described upper piston (11a) is by upper slide shaft (13a) and be arranged on upper limit packing ring (14a) on connecting rod (12) and fix on the top of connecting rod (12), and described lower piston (11b) is by downslide moving axis (13b) and be arranged on lower limit packing ring (14b) fixing on connecting rod (12) in the bottom of connecting rod (12).
3. vacuum line system according to claim 2, is characterized in that: slide shaft (14a) is respectively arranged with O RunddichtringO with junction and the downslide moving axis (14b) of upper piston (11a) with the junction of lower piston (11b) on described.
4. vacuum line system according to claim 2, it is characterized in that: described driver train comprises the driving cylinder (16) being arranged on mount pad (15), described mount pad (15) is connected with the screw mandrel (17) being fixed on upper end cover (9a), the upper end of described upper slide shaft (13a) passes upper end cover (9a), and the piston rod of described driving cylinder (16) is connected with upper slide shaft (13a) by being arranged on the connector (18) of upper slide shaft (13a) upper end.
5. vacuum line system according to claim 4, it is characterized in that: described upper end cover (9a) middle part extends to form guide-localization section in valve body (8), between slide shaft (13a) and the guide-localization section of upper end cover (9a), be provided with guide-localization cover (19) on described, described guide-localization cover (19) fixes by the spacing ring (20) being arranged on upper end cover (9a).
6. according to the vacuum line system described in any one in claim 1 to 5, it is characterized in that: the opening B(4b of described vacuum triple valve (3)), by vacuum chamber joint (21) and vacuum chamber, described connection pipe (1) is communicated with vacuum pump by vacuum pump adapter (22).
7. vacuum line system according to claim 6, is characterized in that: in described vacuum pump adapter (22), locate to be provided with the pressure detector of pressure while working for detection of vacuum pump.
8. vacuum line system according to claim 6, it is characterized in that: described vacuum chamber joint (21) and connection pipe (1) be the opening B(4b with corresponding vacuum triple valve (3) by Connection Block (23) respectively) be connected with open C (4c), at described Connection Block (23) and bottom end cover (9b), be respectively arranged with O RunddichtringO with the junction that valve body (8) is connected, described vacuum chamber joint (21) is communicated with a port of electromagnetic valve (6) by connecting branch (5).
9. vacuum line system according to claim 8, is characterized in that: described connection pipe (1) connects with corresponding Connection Block (23) by fast connecting card (2).
CN201210515410.0A 2012-12-05 2012-12-05 Vacuum line system Active CN102991746B (en)

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CN201210515410.0A CN102991746B (en) 2012-12-05 2012-12-05 Vacuum line system

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CN102991746B true CN102991746B (en) 2014-09-17

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108626481B (en) * 2018-05-24 2023-11-21 江苏一控真空注胶技术有限公司 Vacuum air-release integrated valve

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2299812Y (en) * 1997-06-25 1998-12-09 张键 Automatic chamber-type vacuum packaging machine
CN101195418A (en) * 2006-12-08 2008-06-11 上海海事大学 High-vacuum packing machine with primary heater unit
JP2008213051A (en) * 2007-02-28 2008-09-18 Kuroda Pneumatics Ltd Switching valve device for vacuum
CN202417875U (en) * 2011-11-22 2012-09-05 成都海科机械设备制造有限公司 Vacuum pipeline generating system
CN202966737U (en) * 2012-12-05 2013-06-05 成都海科机械设备制造有限公司 Vacuum pipeline system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5233852B2 (en) * 2009-06-11 2013-07-10 アイシン・エィ・ダブリュ株式会社 Solenoid valve device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2299812Y (en) * 1997-06-25 1998-12-09 张键 Automatic chamber-type vacuum packaging machine
CN101195418A (en) * 2006-12-08 2008-06-11 上海海事大学 High-vacuum packing machine with primary heater unit
JP2008213051A (en) * 2007-02-28 2008-09-18 Kuroda Pneumatics Ltd Switching valve device for vacuum
CN202417875U (en) * 2011-11-22 2012-09-05 成都海科机械设备制造有限公司 Vacuum pipeline generating system
CN202966737U (en) * 2012-12-05 2013-06-05 成都海科机械设备制造有限公司 Vacuum pipeline system

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