CN102700100A - Structure for oil cylinder of opening and closing mould of hydraulic cylinder of injection molding machine - Google Patents
Structure for oil cylinder of opening and closing mould of hydraulic cylinder of injection molding machine Download PDFInfo
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- CN102700100A CN102700100A CN2012102050472A CN201210205047A CN102700100A CN 102700100 A CN102700100 A CN 102700100A CN 2012102050472 A CN2012102050472 A CN 2012102050472A CN 201210205047 A CN201210205047 A CN 201210205047A CN 102700100 A CN102700100 A CN 102700100A
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Abstract
The invention discloses a structure for an oil cylinder of an opening and closing mould of a hydraulic cylinder of an injection molding machine. The structure comprises a first one-way valve, a second one-way valve, an opening and closing mould oil cylinder, a third two-position and four-way reversing valve, a first pressure control valve, a second pressure control valve and a third pressure control valve, wherein the oil cylinder cannot obtain energy directly from a main pipe through the pressure control valve, but a newly arranged pipeline is used for pressurizing the oil cylinder; and the pressure control valves are added to increase the hydraulic pressure. The structure for the oil cylinder of the opening and closing mould of the hydraulic cylinder of the injection molding machine, disclosed by the invention, has the advantages of overcoming the defects of low hydraulic pressure and the like in the prior art and realizing bigger pressure of the hydraulic cylinder.
Description
Technical field
The present invention relates to model and make the field, particularly, relate to the syndeton of a kind of injection machine internal hydraulic pressure system.
Background technology
At present; Oil pump is converted into mechanical energy the potential energy of liquid flow in the hydraulic system; Directly liquid is transported to each executive component then; Before executive component, be provided with three position four-way directional control valve,, control liquid in the ducted flow direction through check valve through three position four-way directional control valve and the pressure-control valve control pressure that executive component obtained.Because liquid directly flows to each executive component at pipeline, does not hold the process of power, so hydraulic system is that the liquid flow potential energy that executive component provided is not enough.
Summary of the invention
The objective of the invention is to,, propose a kind of hydraulic system folding mould oil cylinder place structure that is used for injection machine, to realize strengthening the advantage of fluid pressure to the problems referred to above.
For realizing above-mentioned purpose; The technical scheme that the present invention adopts is: a kind of hydraulic system folding mould oil cylinder place structure that is used for injection machine; Comprise: first check valve, second check valve, folding mould oil cylinder, the 3rd two-position four way change valve, first pressure-control valve, second pressure-control valve and the 3rd pressure-control valve; The oil pump output is connected to first check valve and second check valve, divides out branch to be connected with overflow valve and magnetic valve between first check valve and the oil pump on the pipeline
The said second check valve end links to each other with the 3rd check valve input and the 3rd two-position four way change valve P end respectively,
Said the 3rd two-position four way change valve A end links to each other with the 3rd pressure-control valve input, and the 3rd pressure-control valve output links to each other with folding mould oil cylinder piston end,
Said folding mould oil cylinder cylinder barrel end respectively with the first pressure-control valve output and the second pressure-control valve output,
The said first pressure-control valve output inserts the hydraulic system output channel.
Further; Said the 3rd check valve output links to each other with the first pressure-control valve output and the second pressure-control valve output junction with second two-position four way change valve P end and said folding mould oil cylinder cylinder barrel end respectively; Said second two-position four way change valve A end links to each other with the second pressure-control valve input; Second two-position four way change valve T end links to each other with manual two-position four way change valve B end, and the said second pressure-control valve output inserts trunk line.
Further, said manual two-position four way change valve T termination is gone into fuel tank, and manually two-position four way change valve P termination is gone into second check valve and the 3rd check valve input and the 3rd two-position four way change valve P end link node place.
Further, said the 3rd pressure-control valve output also is connected with the 4th two-position four way change valve P end, the 4th pressure-control valve output and trunk line, and said the 4th two-position four way change valve A end links to each other with the 4th pressure-control valve input.
Further; Said the 3rd two-position four way change valve T end, the 4th two-position four way change valve T end and the 4th pressure-control valve output link to each other; And link to each other with first two-position four way change valve T end; Said first two-position four way change valve A end links to each other with the first pressure-control valve input, and the said first pressure-control valve output also links to each other with first two-position four way change valve P end.
Further, said folding mould oil cylinder piston end also links to each other with three position four-way directional control valve B end, folding mould oil cylinder cylinder barrel end and three position four-way directional control valve A end, and said three position four-way directional control valve T termination is gone into fuel tank.
A kind of hydraulic system folding mould oil cylinder place structure that is used for injection machine of the present invention; Owing between folding mould oil cylinder and trunk line and hydraulic system output channel, add a plurality of pressure-control valves; Hydraulic system is the defectives such as liquid flow potential energy deficiency that executive component provides in the prior art thereby can overcome, to realize strengthening the advantage of fluid pressure.
Other features and advantages of the present invention will be set forth in specification subsequently, and, partly from specification, become obvious, perhaps understand through embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is a kind of hydraulic system folding mould oil cylinder place structural representation that is used for injection machine according to the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
According to the embodiment of the invention, a kind of syndeton that is used for the motor and the oil pump of injection machine is provided.As shown in Figure 1, present embodiment comprises:
A kind of hydraulic system folding mould oil cylinder place structure that is used for injection machine; Oil pump 1 output is connected to first check valve 4 and second check valve 5; Divide out branch to be connected with overflow valve 6 and magnetic valve 7 between first check valve 4 and the oil pump 1 on the pipeline; Overflow valve 6 and magnetic valve 7 outputs insert overfall, and second check valve, 5 outputs link to each other with the 3rd check valve 13 inputs and the 3rd two-position four way change valve 15P end respectively
The 3rd two-position four way change valve 15A end links to each other with the 3rd pressure-control valve 16 inputs, and the 3rd pressure-control valve 16 outputs link to each other with folding mould oil cylinder 8 piston ends,
Folding mould oil cylinder 8 cylinder barrel ends respectively with first pressure-control valve, 11 outputs and second pressure-control valve, 14 outputs,
First pressure-control valve, 11 outputs insert the hydraulic system output channel.
The 3rd check valve 13 outputs link to each other with first pressure-control valve, 11 outputs and second pressure-control valve, 14 output junctions with second two-position four way change valve 12P end and folding mould oil cylinder 8 cylinder barrel ends respectively; Second two-position four way change valve 12A end links to each other with second pressure-control valve, 14 inputs; Second two-position four way change valve 12T end links to each other with manual two-position four way change valve 17B end, and second pressure-control valve, 14 outputs insert trunk line.
Manually two-position four way change valve 17T termination is gone into fuel tank, and manually two-position four way change valve 17P termination is gone into second check valve 5 and the 3rd check valve 13 inputs and the 3rd two-position four way change valve 15P end link node place.
The 3rd pressure-control valve 16 outputs also are connected with the 4th two-position four way change valve 18P end, the 4th pressure-control valve 19 outputs and trunk line, and the 4th two-position four way change valve 18A end links to each other with the 4th pressure-control valve 19 inputs.
The 3rd two-position four way change valve 15T end, the 4th two-position four way change valve 18T end and the 4th pressure-control valve 19 outputs link to each other; And link to each other with first two-position four way change valve 10T end; First two-position four way change valve 10A end links to each other with first pressure-control valve, 11 inputs, and first pressure-control valve, 11 outputs also link to each other with first two-position four way change valve 10P end.
Folding mould oil cylinder 8 piston ends also link to each other with three position four-way directional control valve 9B end, folding mould oil cylinder 8 cylinder barrel ends and three position four-way directional control valve 9A end, and three position four-way directional control valve 9T termination is gone into fuel tank.
Claims (6)
1. hydraulic system folding mould oil cylinder place structure that is used for injection machine; It is characterized in that; Comprise: first check valve, second check valve, folding mould oil cylinder, the 3rd two-position four way change valve, first pressure-control valve, second pressure-control valve and the 3rd pressure-control valve; The oil pump output is connected to first check valve and second check valve, divides out branch to be connected with overflow valve and magnetic valve between first check valve and the oil pump on the pipeline
The said second check valve end links to each other with the 3rd check valve input and the 3rd two-position four way change valve P end respectively,
Said the 3rd two-position four way change valve A end links to each other with the 3rd pressure-control valve input, and the 3rd pressure-control valve output links to each other with folding mould oil cylinder piston end,
Said folding mould oil cylinder cylinder barrel end respectively with the first pressure-control valve output and the second pressure-control valve output,
The said first pressure-control valve output inserts the hydraulic system output channel.
2. according to the said hydraulic system folding mould oil cylinder place structure that is used for injection machine of claim 1; It is characterized in that; Said the 3rd check valve output links to each other with the first pressure-control valve output and the second pressure-control valve output junction with second two-position four way change valve P end and said folding mould oil cylinder cylinder barrel end respectively; Said second two-position four way change valve A end links to each other with the second pressure-control valve input; Second two-position four way change valve T end links to each other with manual two-position four way change valve B end, and the said second pressure-control valve output inserts trunk line.
3. according to the said hydraulic system folding mould oil cylinder place structure that is used for injection machine of claim 2; It is characterized in that; Said manual two-position four way change valve T termination is gone into fuel tank, and manually two-position four way change valve P termination is gone into second check valve and the 3rd check valve input and the 3rd two-position four way change valve P end link node place.
4. according to the said hydraulic system folding mould oil cylinder place structure that is used for injection machine of claim 1; It is characterized in that; Said the 3rd pressure-control valve output also is connected with the 4th two-position four way change valve P end, the 4th pressure-control valve output and trunk line, and said the 4th two-position four way change valve A end links to each other with the 4th pressure-control valve input.
5. according to claim 1 or the 4 said hydraulic system folding mould oil cylinder place structures that are used for injection machine; It is characterized in that; Said the 3rd two-position four way change valve T end, the 4th two-position four way change valve T end and the 4th pressure-control valve output link to each other; And link to each other with first two-position four way change valve T end, said first two-position four way change valve A end links to each other with the first pressure-control valve input, and the said first pressure-control valve output is also held with the first two-position four way change valve P and is linked to each other.
6. according to the said hydraulic system folding mould oil cylinder place structure that is used for injection machine of claim 1; It is characterized in that; Said folding mould oil cylinder piston end also links to each other with three position four-way directional control valve B end; Folding mould oil cylinder cylinder barrel end and three position four-way directional control valve A end, said three position four-way directional control valve T termination is gone into fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210205047.2A CN102700100B (en) | 2012-06-20 | 2012-06-20 | Structure for oil cylinder of opening and closing mould of hydraulic cylinder of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210205047.2A CN102700100B (en) | 2012-06-20 | 2012-06-20 | Structure for oil cylinder of opening and closing mould of hydraulic cylinder of injection molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102700100A true CN102700100A (en) | 2012-10-03 |
| CN102700100B CN102700100B (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210205047.2A Expired - Fee Related CN102700100B (en) | 2012-06-20 | 2012-06-20 | Structure for oil cylinder of opening and closing mould of hydraulic cylinder of injection molding machine |
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| CN (1) | CN102700100B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031436A1 (en) * | 2019-08-21 | 2021-02-25 | 华澳轮胎设备科技（苏州）股份有限公司 | Differential control mold opening and closing control loop of vulcanizing machine and mold opening and closing control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4044653A (en) * | 1972-11-12 | 1977-08-30 | Nissei Plastics Industrial Co., Ltd. | Hydraulic control apparatus for injection molding fluent plastic material |
| JPH01134132A (en) * | 1987-11-19 | 1989-05-26 | Misato Kk | Construction work for floor heating type space heater |
| JPH10202710A (en) * | 1997-01-23 | 1998-08-04 | Toshiba Mach Co Ltd | Control of mold clamping of injection molding machine |
| JPH1134132A (en) * | 1997-07-23 | 1999-02-09 | Mitsubishi Heavy Ind Ltd | Cylinder apparatus |
| CN2931073Y (en) * | 2006-04-29 | 2007-08-08 | 余姚市奥斯机电有限公司 | Hydraulic equipment for double-pump double-proportion injection machine |
| CN201950795U (en) * | 2011-01-26 | 2011-08-31 | 福建省龙圣重工机械股份有限公司 | Hydraulic system of rain boots injection molding machine |
| CN202640730U (en) * | 2012-06-20 | 2013-01-02 | 无锡天惠塑机有限公司 | Hydraulic system opening mould oil cylinder structure for injection molding machine |
-
2012
- 2012-06-20 CN CN201210205047.2A patent/CN102700100B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4044653A (en) * | 1972-11-12 | 1977-08-30 | Nissei Plastics Industrial Co., Ltd. | Hydraulic control apparatus for injection molding fluent plastic material |
| JPH01134132A (en) * | 1987-11-19 | 1989-05-26 | Misato Kk | Construction work for floor heating type space heater |
| JPH10202710A (en) * | 1997-01-23 | 1998-08-04 | Toshiba Mach Co Ltd | Control of mold clamping of injection molding machine |
| JPH1134132A (en) * | 1997-07-23 | 1999-02-09 | Mitsubishi Heavy Ind Ltd | Cylinder apparatus |
| CN2931073Y (en) * | 2006-04-29 | 2007-08-08 | 余姚市奥斯机电有限公司 | Hydraulic equipment for double-pump double-proportion injection machine |
| CN201950795U (en) * | 2011-01-26 | 2011-08-31 | 福建省龙圣重工机械股份有限公司 | Hydraulic system of rain boots injection molding machine |
| CN202640730U (en) * | 2012-06-20 | 2013-01-02 | 无锡天惠塑机有限公司 | Hydraulic system opening mould oil cylinder structure for injection molding machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031436A1 (en) * | 2019-08-21 | 2021-02-25 | 华澳轮胎设备科技（苏州）股份有限公司 | Differential control mold opening and closing control loop of vulcanizing machine and mold opening and closing control method |
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| Publication number | Publication date |
|---|---|
| CN102700100B (en) | 2014-08-20 |
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