CN104179732A - Oil cylinder pressurization system and blowing machine - Google Patents
Oil cylinder pressurization system and blowing machine Download PDFInfo
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- CN104179732A CN104179732A CN201410390367.9A CN201410390367A CN104179732A CN 104179732 A CN104179732 A CN 104179732A CN 201410390367 A CN201410390367 A CN 201410390367A CN 104179732 A CN104179732 A CN 104179732A
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- cylinder
- oil cylinder
- pressurization system
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Abstract
The invention discloses an oil cylinder pressurization system. The oil cylinder pressurization system comprises a main oil cylinder, a pressurization oil cylinder of which a rod cavity is communicated with a rod-free cavity of the main oil cylinder, a check valve provided in which a liquid control opening is formed and which is mounted on the pressurization oil cylinder and communicated with the rod-free cavity of the pressurization oil cylinder, a reversing valve which is mounted on the pressurization oil cylinder and is connected with the check valve and in which an oil inlet and an oil outlet are formed. The invention further discloses a blowing machine. The pressurization oil cylinder can output pressure higher than 2.7 times, and is small in size and low in cost.
Description
Technical field
The invention belongs to hollow blow molding field, particularly relate to a kind of oil cylinder pressurization system and use the blow-moulding machine of this oil cylinder pressurization system.
Background technique
Blowing (blow moulding) also claim hollow blow molding, and a kind of development is plastic working method rapidly.Thermoplastic resin is through the tubular plastic parison of extruding or injection moulding obtains, (or being heated to soft state) while hot, be placed in split cavity, after mold closing, in parison, pass into immediately pressurized air, make plastic parison inflation and be close on mould inner wall, through cooling and demolding, obtain various hollow products.
Existing blow-moulding machine is after completing matched moulds, generally need external force make mold cramping and keep, conventionally adopt oil cylinder to push mould, but the pressure that mould need to compare in some cases, now oil cylinder is in order to provide larger ouput force, and it is larger that volume need to arrange conventionally, and the oil cylinder of large volume has taken larger usage space, very inconvenient during installation, and cost is higher.
Summary of the invention
The object of the present invention is to provide a kind of oil cylinder pressurization system and blow-moulding machine, to overcome deficiency of the prior art.
For achieving the above object, the invention provides following technological scheme:
The embodiment of the invention discloses a kind of oil cylinder pressurization system, comprising:
Master cylinder;
Pressurizing cylinder, the rod chamber of this pressurizing cylinder is communicated in the rodless cavity of described master cylinder;
The one-way valve with hydraulic control mouth, is installed on described pressurizing cylinder, and described one-way valve is communicated in the rodless cavity of described pressurizing cylinder;
Selector valve, is installed on described pressurizing cylinder, and is connected in described one-way valve, and described selector valve has a filler opening and an oil outlet.
Preferably, in above-mentioned oil cylinder pressurization system, described one-way valve is Pilot operated check valve.
Preferably, in above-mentioned oil cylinder pressurization system, described selector valve is 01-2B2 solenoid directional control valve.
Preferably, in above-mentioned oil cylinder pressurization system, described oil outlet is communicated in fuel tank.
Preferably, in above-mentioned oil cylinder pressurization system, described pressurizing cylinder comprises cylinder barrel and cylinder cap, between described cylinder barrel and cylinder cap, be formed with start space, this start space is slidably provided with piston and piston rod, described piston is connected in described piston rod, and the outer surface of this piston is concaved with at least one annular groove.
Correspondingly, the present invention also discloses a blow-moulding machine thirty years of age, comprises described oil cylinder pressurization system, and described master cylinder is connected in the mold closing mechanism of blow-moulding machine.
Compared with prior art, the invention has the advantages that: pressurizing cylinder of the present invention can be exported 2.7 times of above pressure, and volume is little simultaneously, and cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiments that record in the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Figure 1 shows that the structural representation of pressurizing cylinder in the specific embodiment of the invention;
Figure 2 shows that the principle schematic of oil cylinder pressurization system in the specific embodiment of the invention;
Figure 3 shows that the structural representation of piston in the specific embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is described in detail, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.
Shown in ginseng Fig. 1 to Fig. 3, oil cylinder pressurization system comprises master cylinder 1, pressurizing cylinder 2, Pilot operated check valve 3 and selector valve 4.
Master cylinder 1 is connected with the mould in blow-moulding machine, and after mould matched moulds, master cylinder 1 start also makes mould keep clamped condition.
The rod chamber B of pressurizing cylinder 2 is communicated in the rodless cavity of master cylinder 1.Pressurizing cylinder 2 comprises cylinder barrel 21 and cylinder cap 22, between cylinder barrel 21 and cylinder cap 22, be formed with start space, this start space is slidably provided with piston 23 and piston rod 24, and piston 23 is connected in described piston rod 24, and the outer surface of this piston 23 is concaved with at least one annular groove 231.
Pilot operated check valve 3 is installed on one end of pressurizing cylinder 2, and Pilot operated check valve 3 is communicated in the rodless cavity of pressurizing cylinder 2.Pilot operated check valve 3 has a hydraulic control mouth X, and this hydraulic control mouth is in order to control the reset of pressurizing cylinder 2.
Selector valve 4 is installed on the top of pressurizing cylinder 2, and it is communicated in one-way valve 3.Selector valve 4 also has a filler opening and an oil outlet, and this filler opening is connected with oil pump, and this oil outlet is communicated in fuel tank.
Preferably, selector valve 4 is 01-2B2 solenoid directional control valve.
Pressurizing cylinder 2 of the present invention is communicated in master cylinder 1, by the pressurization of pressurizing cylinder 2, can export 2.7 times of above active forces, and meanwhile, the volume of this pressurization system is little, simple in structure, cost is low, can be advantageously applied to hollow blow molding device.
It should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or control panel, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The above is only the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. an oil cylinder pressurization system, is characterized in that, comprising:
Master cylinder;
Pressurizing cylinder, the rod chamber of this pressurizing cylinder is communicated in the rodless cavity of described master cylinder;
The one-way valve with hydraulic control mouth, is installed on described pressurizing cylinder, and described one-way valve is communicated in the rodless cavity of described pressurizing cylinder;
Selector valve, is installed on described pressurizing cylinder, and is connected in described one-way valve, and described selector valve has a filler opening and an oil outlet.
2. oil cylinder pressurization system according to claim 1, is characterized in that: described one-way valve is Pilot operated check valve.
3. oil cylinder pressurization system according to claim 1, is characterized in that: described selector valve is 01-2B2 solenoid directional control valve.
4. oil cylinder pressurization system according to claim 1, is characterized in that: described oil outlet is communicated in fuel tank.
5. oil cylinder pressurization system according to claim 1, it is characterized in that: described pressurizing cylinder comprises cylinder barrel and cylinder cap, between described cylinder barrel and cylinder cap, be formed with start space, this start space is slidably provided with piston and piston rod, described piston is connected in described piston rod, and the outer surface of this piston is concaved with at least one annular groove.
6. a blow-moulding machine, is characterized in that, comprises the arbitrary described oil cylinder pressurization system of claim 1 to 5, and described master cylinder is connected in the mold closing mechanism of blow-moulding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410390367.9A CN104179732A (en) | 2014-08-08 | 2014-08-08 | Oil cylinder pressurization system and blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410390367.9A CN104179732A (en) | 2014-08-08 | 2014-08-08 | Oil cylinder pressurization system and blowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104179732A true CN104179732A (en) | 2014-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410390367.9A Pending CN104179732A (en) | 2014-08-08 | 2014-08-08 | Oil cylinder pressurization system and blowing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN104179732A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555208A (en) * | 2020-12-10 | 2021-03-26 | 重庆大学 | Hydraulic device suitable for ultrahigh pressure precision force loading and step control method |
Citations (7)
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| US4919039A (en) * | 1988-07-25 | 1990-04-24 | General Electric Company | Hydraulic turning gear |
| JPH0757996B2 (en) * | 1989-09-02 | 1995-06-21 | 日立建機株式会社 | Booster |
| JPH08238558A (en) * | 1995-03-02 | 1996-09-17 | Toshiba Mach Co Ltd | Hydraulic device for die clamping |
| US5579882A (en) * | 1995-06-09 | 1996-12-03 | Ford Motor Company | Clutch assist mechanism |
| CN2467313Y (en) * | 2001-03-14 | 2001-12-26 | 陈循理 | Blow molding machine |
| CN201147838Y (en) * | 2007-12-28 | 2008-11-12 | 亨特尔(天津)科技开发有限公司 | Boost-up circuit of punch-out equipment |
| CN204041572U (en) * | 2014-08-08 | 2014-12-24 | 张家港市普信机械有限公司 | A kind of oil cylinder pressurization system and blow-moulding machine |
-
2014
- 2014-08-08 CN CN201410390367.9A patent/CN104179732A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4919039A (en) * | 1988-07-25 | 1990-04-24 | General Electric Company | Hydraulic turning gear |
| JPH0757996B2 (en) * | 1989-09-02 | 1995-06-21 | 日立建機株式会社 | Booster |
| JPH08238558A (en) * | 1995-03-02 | 1996-09-17 | Toshiba Mach Co Ltd | Hydraulic device for die clamping |
| US5579882A (en) * | 1995-06-09 | 1996-12-03 | Ford Motor Company | Clutch assist mechanism |
| CN2467313Y (en) * | 2001-03-14 | 2001-12-26 | 陈循理 | Blow molding machine |
| CN201147838Y (en) * | 2007-12-28 | 2008-11-12 | 亨特尔(天津)科技开发有限公司 | Boost-up circuit of punch-out equipment |
| CN204041572U (en) * | 2014-08-08 | 2014-12-24 | 张家港市普信机械有限公司 | A kind of oil cylinder pressurization system and blow-moulding machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555208A (en) * | 2020-12-10 | 2021-03-26 | 重庆大学 | Hydraulic device suitable for ultrahigh pressure precision force loading and step control method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141203 |