CN208290453U - Pneumatic vacuum three-way valve assemblies and plastic containers blow molding apparatus - Google Patents
Pneumatic vacuum three-way valve assemblies and plastic containers blow molding apparatus Download PDFInfo
- Publication number
- CN208290453U CN208290453U CN201820639200.5U CN201820639200U CN208290453U CN 208290453 U CN208290453 U CN 208290453U CN 201820639200 U CN201820639200 U CN 201820639200U CN 208290453 U CN208290453 U CN 208290453U
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- valve body
- channel
- pneumatic vacuum
- way valve
- cavity
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- 230000000712 assembly Effects 0.000 title claims abstract description 27
- 238000000429 assembly Methods 0.000 title claims abstract description 27
- 229920003023 plastic Polymers 0.000 title claims abstract description 25
- 239000004033 plastic Substances 0.000 title claims abstract description 25
- 238000000071 blow moulding Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000007787 solid Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Abstract
The utility model relates to a kind of Pneumatic vacuum three-way valve assemblies and plastic containers blow molding apparatus.The Pneumatic vacuum three-way valve assemblies include at least two Pneumatic vacuum triple valves installed side by side, and Pneumatic vacuum triple valve includes driving part and valve body；Driving part is connect with valve body, and valve body is equipped with cavity, first passage, second channel, third channel and through-hole；First passage and second channel are connected to cavity, and third channel is connected to through-hole, and through-hole is connected to cavity；Driving part includes fixing seat and the movable piston rod in fixing seat, the top of piston rod is set in the chamber of fixing seat, the bottom end of piston rod passes through through-hole and extends in cavity, the bottom end of piston rod is equipped with sealing structure, sealing structure is within the cavity, adjacent first passage connection and adjacent third channel connection, each topology layout is compact, to reduce the volume of Pneumatic three-way valve.The plastic containers blow molding apparatus includes above-mentioned Pneumatic vacuum three-way valve assemblies.
Description
Technical field
The utility model relates to Pneumatic three-way valve technical fields, more particularly to a kind of Pneumatic vacuum three-way valve assemblies and modeling
Material container blow molding apparatus.
Background technique
It blows encapsulation all-in-one machine container produced and generally uses vacuum adsorption molding, design has vacuum logical on molding die
Road needs to be controlled the open and close of vacuum passage with valve.Existing equipment is controlled using two-way pneumatic diaphragm valve
The on-off of mold vacuum, and two-port valve cannot rapidly exhaust the residual vacuum in mold vacuum passage after closing, so that at
The good container of type does not allow easy mold release.To cause a machine to preferably demould, need to control vacuum using triple valve, and it is existing in the market
Some Pneumatic three-way valve volumes are big, are not easy to the compact arranged occasion of multiple valves, it is therefore desirable to be directed to the operating condition special designing one
The dedicated Pneumatic three-way valve of kind.
Utility model content
Based on this, it is necessary to be directed to the bulky technical problem of existing Pneumatic three-way valve, provide a kind of Pneumatic vacuum three
Port valve component and plastic containers blow molding apparatus.
The utility model provides a Pneumatic vacuum three-way valve assemblies, the Pneumatic vacuum threeway installed side by side including at least two
Valve, the Pneumatic vacuum triple valve includes driving part and valve body；The driving part is connect with the valve body, and the valve body is set
There are cavity, first passage, second channel, third channel and through-hole；The first passage and the second channel and the cavity
Connection, the third channel are connected to the through-hole, and the through-hole is connected to the cavity；
The driving part includes fixing seat and the movable piston rod in fixing seat；The top of the piston rod is set
In in the chamber of fixing seat, the bottom end of the piston rod passes through the through-hole and extends in the cavity, the piston rod
Bottom end is equipped with sealing structure, and the sealing structure is located in the cavity, and the sealing structure is upper and lower together with the piston rod
It is mobile, so that the through-hole and first passage selectivity are connected to the cavity；
Wherein, adjacent first passage connection, adjacent third channel connection.
Preferably, the sealing structure includes flap and the first seal member, the bottom end of the flap and the piston rod
Connection, first seal member are located in the upper and lower surfaces of the flap.
Preferably, the valve body includes upper valve body and lower valve body, and the upper valve body lid closes in the lower valve body, it is described on
The second seal member is equipped between valve body and the lower valve body.
It is highly preferred that being equipped with third seal member between the upper valve body and the fixing seat.
Preferably, it is equipped with spring in the chamber of the fixing seat, the spring one end is fixed in the fixing seat, spring
The other end connect with the piston rod.
Preferably, the driving part offers air inlet, the air inlet and the chamber, passes through the air inlet
Hole on-off compressed air realizes moving up and down for the piston rod.
Preferably, the first passage is located at the lower section of the second channel.
Further, the fixing seat is equipped with air hole.
Preferably, the connection type between the adjacent valve body is integrally formed.
The utility model also proposes a kind of plastic containers blow molding apparatus, including described in die assembly and any of the above-described
Pneumatic vacuum three-way valve assemblies；The die assembly includes the left seal mould that the same side is arranged in, left main mould；Left seal mould is set
In the top of left main mould；It further include the right seal mould that the other side is set, right main mould, right seal mould is located at the top of right main mould；
The centre of two sides can place the parison for plastic containers blow molding；Wherein, the left seal mould, left main mould, right seal mould,
Be respectively equipped with vacuum passage in right main mould, the second channel of the Pneumatic vacuum three-way valve assemblies respectively with the vacuum passage one
One corresponding connection.
The beneficial effect of the utility model compared with prior art includes: that the Pneumatic vacuum three-way valve assemblies include at least two
A Pneumatic vacuum triple valve, triple valve are made of driving part and valve body, and structure is simple, the piston rod and movable end of driving part
Connection, can be mobile with movable end, and the bottom end of piston rod is equipped with sealing structure, and sealing structure is within the cavity, sealing structure with
Piston rod moves up and down together so that the through-hole and the first passage selectivity be connected to the cavity；When first
When channel is connected to cavity, because second channel is connected to cavity, therefore first passage is connected to second channel by cavity；Work as through-hole
When being connected to cavity, third channel is connected to through-hole, therefore third channel is also connected to cavity, because second channel is connected to cavity,
Therefore third channel is connected with the second channel, seal member move up and down in the cavity can be realized second channel and first passage or
Third channel connection, adjacent first passage connection and adjacent third channel connection, it is only necessary to which a vacuum source realizes that this is true
Air moves the on-off vacuum of each Pneumatic vacuum triple valve in three-way valve assemblies, and each topology layout is compact, to reduce gas
The volume of dynamic triple valve.
Detailed description of the invention
Fig. 1 is the perspective view of Pneumatic vacuum three-way valve assemblies in the utility model embodiment.
Fig. 2 is the cross-sectional view of Pneumatic vacuum three-way valve assemblies in the utility model embodiment.
Fig. 3 is Pneumatic vacuum triple valve open state structural schematic diagram in the utility model embodiment.
Fig. 4 is Pneumatic vacuum threeway valve closing state structural schematic diagram in the utility model embodiment.
Fig. 5 is the structural schematic diagram of the die assembly in the utility model embodiment before plastic containers molding.
Fig. 6 is the structural schematic diagram of the molding die assembly of plastic container portion in the utility model embodiment.
Fig. 7 is the structural schematic diagram of plastic containers die assembly after molding in the utility model embodiment.
Fig. 8 is the structural schematic diagram of the die assembly in the utility model embodiment after plastic containers demoulding.
Description of symbols: 1, fixing seat；11, piston rod；12, spring；13, air inlet；14, air hole；2, upper valve body；
21, third channel；22, through-hole；3, lower valve body；31, flap, the 32, first seal member；33, cavity；34, first passage；35,
Second channel；4, third seal member；5, the second seal member；41, left seal mould；42, left main mould；43, right seal mould；44,
Right main mould；45, parison；46, vacuum passage.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific implementation opened.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
As shown in Fig. 1,2,3 and 4, the present embodiment proposes a kind of Pneumatic vacuum three-way valve assemblies, including five Pneumatic vacuums
Triple valve, the Pneumatic vacuum triple valve includes driving part and valve body；Driving part is connect with valve body, and valve body is equipped with cavity
33, first passage 34, second channel 35, third channel 21 and through-hole 22；First passage 34 and second channel 35 and cavity 33 connect
Logical, third channel 21 is connected to through-hole 22, and through-hole 22 is connected to cavity 33；
The driving part includes fixing seat 1 and the movable piston rod 11 in fixing seat, the top of piston rod 11
In the chamber of fixing seat 1, the bottom end of piston rod 11 passes through through-hole 22 and extends in cavity 33, and the bottom end of piston rod 11 is set
There is sealing structure, the sealing structure is located in cavity 33, and the sealing structure is upper and lower together with piston rod 11 in cavity 33
It is mobile, so that through-hole 22 and 34 selectivity of first passage are connected to cavity 33；
Wherein, adjacent first passage 34 is connected to, and adjacent third channel 21 is connected to.Convenient in plastic containers blow molding
In use.Quantity in mounting structure arranged side by side in the present embodiment for the Pneumatic vacuum triple valve of plastic containers blow molding
It is 5, the Pneumatic vacuum triple valve of more than two other quantities, such as 2,3,4 is also possible in other embodiments
Or 6 etc..
When first passage 34 is connected to cavity 33, because second channel 35 is connected to cavity 33, therefore first passage 34 and
Two channels 35 are connected to by cavity 33；When through-hole 22 is connected to 33 body of chamber, third channel 21 is connected to through-hole 22, therefore third is logical
Road 21 is also connected to cavity 33, and because second channel 35 is connected to cavity 33, therefore third channel 21 is connected to second channel 35, sealing
Structure moves up and down in cavity 33 can be realized second channel 34 and is connected to first passage 21 or third channel 35, and adjacent
The connection of one channel and adjacent third channel connection, it is only necessary to which a vacuum source is realized each in the Pneumatic vacuum three-way valve assemblies
The on-off vacuum of Pneumatic vacuum triple valve, each topology layout is compact, to reduce the volume of Pneumatic three-way valve.
Vacuum enters second channel 35, second channel 35 and plastic containers blow molding from first passage 34 in the present embodiment
Die assembly connection, third channel 21 is used to blowing air, and on-off vacuum is, it can be achieved that die assembly leads to vacuum or blowing air.?
It, can also be using other ventilating modes in other embodiments.
On the basis of the above embodiments, as shown in Figures 3 and 4, the sealing structure includes flap 31 and the first sealing
Part 32, flap 31 are connect with the bottom end of piston rod 11, and the first seal member 32 is located in the upper and lower surfaces of flap 31, the
One seal member is contacted with the top of cavity or bottom end can be realized connecting with cavity 33 for 34 selectivity of through-hole 22 and first passage
It is logical.First seal member of the upper and lower surface of flap is flat seal, and sealing is simple and reliable, not same by flap 31 and through-hole 22
The influence of heart degree；In triple valve opening-closing process, the first seal member is only moved up and down, and will not be generated with valve body and mutually be rubbed
It wipes, long service life.
On the basis of the above embodiments, as shown in Figures 3 and 4, the valve body includes upper valve body 2 and lower valve body 3, upper valve body
2 lids close in lower valve body 3, and the second seal member 5 is equipped between upper valve body 2 and lower valve body 3, convenient to install or replace from valve body
Flap after piston rod enters upper valve body, then installs flap, finally connect lower valve body with upper valve body.Wherein, second is close
Sealing component 5 is preferably gasket.In addition, being preferably provided with third seal member 4 between upper valve body 2 and fixing seat 1, upper valve body is realized
2 with the sealing of driving part, prevent the case where leaking air therebetween, further, third seal member 4 is preferably close
Seal.
In the present embodiment, preferred connection type is integrally formed between the adjacent valve body；Further, as schemed
Shown in 1 and 2, the connection type between adjacent upper valve body 2 is integrally formed, and the connection type between adjacent lower valve body 3 is
It is integrally formed.
On the basis of the above embodiments, as shown in Figures 3 and 4, spring 12, spring are equipped in the chamber of the fixing seat 1
12 one end are fixed in fixing seat 1, and the other end of spring 12 is connect with the piston rod 11, spring 12 with piston rod 11 shifting
It moves and stretches.
On the basis of the above embodiments, as shown in Figures 3 and 4, fixing seat 1 offers air inlet 13, air inlet 13 and solid
The chamber of reservation 1 realizes that piston rod 11 moves up and down by 13 on-off compressed air of air inlet.
On the basis of the above embodiments, as shown in Figures 3 and 4, the first passage 34 in the present embodiment is located at second channel
35 lower section is conducive to on-off vacuum.
On the basis of the above embodiments, as shown in Figures 3 and 4, fixing seat 1 is equipped with air hole 14, and piston rod 11 will be fixed
Chamber in seat 1 is divide into upper part and lower part, and air hole 14 is connected to the upper part of chamber, when air inlet 13 is from the lower part of chamber
When logical compressed air, piston rod 11 is moved up, and the upper part of chamber is connected to by air hole 14 with atmospheric pressure, the top of chamber
Partial pressure will not increase because of the reduction in space；When air inlet 13 disconnects compressed air, piston rod 11 is moved down, chamber
Upper part is connected to by air hole 14 with atmospheric pressure, on chamber the pressure of part will not because of space increase and reduce.
The driving part of the present embodiment is the single-acting cylinder of small cylinder diameter, so that in the case where same latus rectum, further
The volume of triple valve is reduced, and reduces the stress levels of valve, and then be more suitable for the application of vacuum occasion.It should be noted that
In the present embodiment, the internal diameter of first passage and/or second channel can be contracted to 10mm.
The present embodiment also proposes a kind of plastic containers blow molding apparatus, including die assembly and above-mentioned Pneumatic vacuum threeway
Valve module；In conjunction with Fig. 1 and Fig. 5~8, the die assembly includes the left seal mould 41 that the same side is arranged in, left main mould 42；Left envelope
Mouth mold 41 is located at the top of left main mould 42；It further include the right seal mould 43 that the other side is set, right main mould 44, right seal mould 43 is set
In the top of right main mould 44；The centre of two sides can place the parison 45 for plastic containers blow molding；Wherein, the left sealing
Mould 41, right seal mould 43, is respectively equipped with vacuum passage 46, the Pneumatic vacuum three-way valve assemblies in right main mould 44 at left main mould 42
Second channel 35 respectively with the vacuum passage 46 one-to-one correspondence be connected to, on-off vacuum realize plastic containers molding with take off
Mould.Further, in this embodiment plastic containers be plastic bottle, the left seal mould 41 and right seal mould 43 are set as one
Vacuum passage 46, the left main mould 42 and right main mould 44 are equipped with two vacuum passages 46 up and down.
The following detailed description of the process of plastic bottle maker: when parison 45 is extruded into sufficient length among open mold,
Left and right mold clamp, while left main mould 42 and right main mould 44 lead to vacuum, after the body molding for realizing plastic bottle, left main mould 42 and the right side
44 vacuum of main mould is closed；The subsequent left seal mould 41 and right seal mould 43 close up, while the left seal mould 41 and right sealing
Mould 43 leads to vacuum, and after the bottle head molding for completing plastic bottle, left seal mould 41 is closed with right 43 vacuum of seal mould, most rear left seal mould
41, left main mould 42, right seal mould 43 and right main mould 44 open simultaneously, and complete the demoulding of plastic bottle.Further, in actual production
In the process, it can be adjusted according to on-off of the formed in mould concrete condition to each vacuum.On blowing encapsulation all-in-one machine, when
After the molding for completing body, can directly carry out it is filling, complete medical fluid it is filling after, then carry out the molding on bottle bottle head point, improve
Production efficiency.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Each technical characteristic of embodiment described above
It can be combined arbitrarily, for simplicity of description, not to all possible combination of each technical characteristic in above-described embodiment
It is all described, as long as being all considered to be the model of this specification record however, there is no contradiction in the combination of these technical features
It encloses.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of Pneumatic vacuum three-way valve assemblies, which is characterized in that the Pneumatic vacuum triple valve installed side by side including at least two,
The Pneumatic vacuum triple valve includes driving part and valve body；
The driving part is connect with the valve body, and the valve body is equipped with cavity (33), first passage (34), second channel
(35), third channel (21) and through-hole (22)；The first passage (34) and the second channel (35) and the cavity (33)
Connection, the third channel (21) are connected to the through-hole (22), and the through-hole (22) is connected to the cavity (33)；
The driving part includes fixing seat (1) and the movable piston rod (11) in fixing seat；The piston rod (11)
Top be set in the chamber of the fixing seat (1), the bottom end of the piston rod (11) passes through the through-hole (22) and extends to
In the cavity (33), the bottom end of the piston rod (11) is equipped with sealing structure, and the sealing structure is located at the cavity (33)
Interior, the sealing structure moves up and down together with the piston rod (11), so that the through-hole (22) and the first passage
(34) selective to be connected to the cavity (33)；
Wherein, the adjacent first passage (34) connection, the adjacent third channel (21) connection.
2. Pneumatic vacuum three-way valve assemblies according to claim 1, which is characterized in that the sealing structure includes flap
(31) it is connect with the first seal member (32), the flap (31) with the bottom end of the piston rod (11), first sealing
Part (32) is located in the upper and lower surfaces of the flap (31).
3. Pneumatic vacuum three-way valve assemblies according to claim 1, which is characterized in that the valve body includes upper valve body (2)
With lower valve body (3), the upper valve body (2) lid is closed on the lower valve body (3), the upper valve body (2) and the lower valve body (3) it
Between be equipped with the second seal member (5).
4. Pneumatic vacuum three-way valve assemblies according to claim 3, which is characterized in that the upper valve body (2) with it is described solid
Third seal member (4) are equipped between reservation (1).
5. Pneumatic vacuum three-way valve assemblies according to claim 1, which is characterized in that in the chamber of the fixing seat (1)
Equipped with spring (12), described spring (12) one end is fixed on the fixing seat (1), the other end of the spring (12) with it is described
Piston rod (11) connection.
6. Pneumatic vacuum three-way valve assemblies according to claim 1, which is characterized in that the fixing seat offers air inlet
(13), the air inlet (13) and the chamber realize the piston by the air inlet (13) on-off compressed air
Bar (11) move up and down.
7. Pneumatic vacuum three-way valve assemblies according to claim 1, which is characterized in that the first passage (34) is located at institute
State the lower section of second channel (35).
8. Pneumatic vacuum three-way valve assemblies according to claim 1, which is characterized in that the fixing seat (1) is equipped with ventilative
Hole (14).
9. Pneumatic vacuum three-way valve assemblies according to claim 1, which is characterized in that the company between the adjacent valve body
The mode of connecing is integrally formed.
10. a kind of plastic containers blow molding apparatus, which is characterized in that including any one of die assembly and claim 1~9 institute
The Pneumatic vacuum three-way valve assemblies stated；The die assembly includes the left seal mould (41) that the same side is arranged in, left main mould (42)；
The left seal mould (41) is located at the top of the left main mould (42)；It further include the right seal mould (43) that the other side is set, right
Main mould (44), the right seal mould (43) are located at the top of the right main mould (44)；The centre of two sides can be placed to hold for plastics
The parison (45) of device blow molding；Wherein, the left seal mould (41), the left main mould (42), the right seal mould (43), institute
State and be respectively equipped on right main mould (44) vacuum passage (46), the second channel (35) of the Pneumatic vacuum three-way valve assemblies respectively with
The vacuum passage (46) corresponds connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820639200.5U CN208290453U (en) | 2018-05-02 | 2018-05-02 | Pneumatic vacuum three-way valve assemblies and plastic containers blow molding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820639200.5U CN208290453U (en) | 2018-05-02 | 2018-05-02 | Pneumatic vacuum three-way valve assemblies and plastic containers blow molding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208290453U true CN208290453U (en) | 2018-12-28 |
Family
ID=64702839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820639200.5U Active CN208290453U (en) | 2018-05-02 | 2018-05-02 | Pneumatic vacuum three-way valve assemblies and plastic containers blow molding apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208290453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094543A (en) * | 2019-04-30 | 2019-08-06 | 上海化工院检测有限公司 | A kind of slide block type insulation reversal valve and height temperature conversion system |
-
2018
- 2018-05-02 CN CN201820639200.5U patent/CN208290453U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094543A (en) * | 2019-04-30 | 2019-08-06 | 上海化工院检测有限公司 | A kind of slide block type insulation reversal valve and height temperature conversion system |
| CN110094543B (en) * | 2019-04-30 | 2020-07-14 | 上海化工院检测有限公司 | Slider type heat insulation reversing valve and high-low temperature conversion system |
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Assignee: Changsha Pharmaceutical Equipment Industrial Technology Research Institute Co.,Ltd. Assignor: TRUKING TECHNOLOGY Ltd. Contract record no.: X2023980051833 Denomination of utility model: Vacuum pneumatic three-way valve assembly and plastic container blow molding device Granted publication date: 20181228 License type: Common License Record date: 20231213 |