CN202037828U - Numerical control molten gel backpressure circuit for injection molding machine - Google Patents
Numerical control molten gel backpressure circuit for injection molding machine Download PDFInfo
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- CN202037828U CN202037828U CN2011200089680U CN201120008968U CN202037828U CN 202037828 U CN202037828 U CN 202037828U CN 2011200089680 U CN2011200089680 U CN 2011200089680U CN 201120008968 U CN201120008968 U CN 201120008968U CN 202037828 U CN202037828 U CN 202037828U
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- valve
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- injection
- numerical control
- melten gel
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- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a numerical control molten gel backpressure circuit for an injection molding machine. The circuit is mainly formed by connecting an injection molding loosening valve, a molten gel valve, a backpressure valve, an electro-hydraulic proportional pilot overflow valve, a hydraulic motor, an injection oil cylinder and a pressure transmitter through a pipeline and an oil circuit integrated block. In the utility model, injection molding and gel melting actions of the injection molding machine are combined organically, an oil circuit structure is compact and simple, numerical control over the backpressure of molten gel is realized, and a practical backpressure value is fed back in a computer screen of the injection molding machine, so that an intelligent numerical control circuit which has a simple and compact oil circuit structure and contributes to reducing and shortening the connection of outer pipelines and enhancing the molten gel backpressure adjusting accuracy and response is provided.
Description
Affiliated technical field
The utility model relates to a kind of injection machine numerical control smelting glue back pressure loop.
Background technology
It is the important parameter of Shooting Technique that the smelting glue back pressure of injection machine is regulated, especially for the high moulding of quality requirements such as size, outward appearance.Medium-sized and small injecting machine for routine, often smelting glue back pressure is the manual adjustments overflow valve, back pressure pressure is by the Pressure gauge visible reading, and injection, melten gel, backpressure regulation are separated on two or more oil path blocks, usually the backpressure regulation oil path block is in the front of machine operation face, injection, melten gel oil path block connect with flexible pipe or steel pipe betwixt at the back side of operating surface.Its shortcoming is that intelligence is simple inadequately for manual adjustments, long pipeline connects the big pressure linear loss of generation, thereby make the smelting glue back pressure governing response slower, accuracy is relatively poor, there is certain deviation in the Pressure gauge visible reading, increase bend pipe and joint quantity simultaneously, when also having increased the workshop assembler and the leakage of oil probability.Often realize for large size plastic jetting-moulding device, and the shortcoming of inserted valve is that the latus rectum large volume is big, is not suitable for middle-size and small-size machine or minicomputer with the inserted valve oil circuit.
Summary of the invention
Technical problem to be solved in the utility model: a kind of injection machine numerical control smelting glue back pressure loop is provided, this loop overcomes the deficiency that exists in the present technology, a kind of oil channel structures compactness, simple is provided, reduce and shorten the connection of exterior line, improve the intelligent numerical control loop of regulating accuracy and response.
The utility model solves the technical scheme that its technical problem adopts: system's oil-in moves back the oil-in of valve with the injection pine, the oil-in of melten gel valve is communicated with by oil path block is integrated, the injection pine moves back the rodless cavity of first actuator port connection injection cylinder of valve, the injection pine moves back the rod chamber of the second actuator port hydraulic fluid port connection injection cylinder of valve, is communicated with second actuator port of melten gel valve simultaneously; Second actuator port of melten gel valve is communicated with the oil-in of hydraulic motor, the oil return opening of melten gel valve is communicated with counterbalance valve, the guide oil of counterbalance valve is by the control of electric-hydraulic proportion pilot operated compound relief valve, oil return opening, counterbalance valve oil return opening, hydraulic motor oil return opening that the injection pine moves back valve are communicated with the system oil return mouth by pipeline and oil path block, pressure transmitter feeds back to injection machine control computer screen with the back pressure value of reality, realizes injection machine numerical control smelting glue back pressure function.
It is the 3-position 4-way direction valve that described injection pine moves back valve, and the melten gel valve is the two-position four-way direction valve, and counterbalance valve is controlled overflow valve for the guide.
Described electric-hydraulic proportion pilot operated compound relief valve is independent oil return.
The utility model combines injection, the melten gel action of injection machine, and oil channel structures compactness, simple realizes that smelting glue back pressure is digital control, and feed back the back pressure actual value in the injection machine computer screen.
Description of drawings
Fig. 1 is a front view of the present utility model.
1-injection pine moves back valve, 2-melten gel valve, 3-electric-hydraulic proportion pilot operated compound relief valve, 4-melten gel valve, 5-hydraulic motor, 6-injection cylinder, 7-pressure transmitter among the figure.
The specific embodiment
As shown in Figure 1, a kind of injection machine numerical control smelting glue back pressure loop, the oil-feed P of system moves back valve 1 with the injection pine, the oil-in of melten gel valve 4 is by the integrated UNICOM of oil path block, the injection pine moves back valve 1 actuator port UNICOM injection cylinder 6, melten gel valve 4 UNICOM's hydraulic motor oil-ins, the T2 hydraulic fluid port UNICOM counterbalance valve 3 of melten gel valve 4, counterbalance valve 3 guide oils are by 2 controls of electric-hydraulic proportion pilot operated compound relief valve, the injection pine moves back valve 1, the oil return opening of counterbalance valve 3, the oil return opening of hydraulic motor 5 is by pipeline and oil path block and system oil return T UNICOM, pressure transmitter 7 feeds back to injection machine control computer screen with the back pressure value of reality, and realization injection machine numerical control smelting glue back pressure is accurately controlled function.
Described injection pine moves back valve 1 and is the 3-position 4-way direction valve, and melten gel valve 4 is the two-position four-way direction valve, and counterbalance valve 3 is controlled overflow valve for the guide, and electric-hydraulic proportion pilot operated compound relief valve 2 is independent oil return.
Operation principle
Below in conjunction with concrete drawings and Examples the utility model is done a step explanation.
As shown in the figure: oil-feed P of system and the loose P1 hydraulic fluid port that moves back valve 1 of injection, the P2 hydraulic fluid port of melten gel valve 4 is by the integrated UNICOM of oil path block, the injection pine moves back the rodless cavity of the A1 hydraulic fluid port UNICOM injection cylinder 6 of valve 1, the rod chamber of B1 hydraulic fluid port UNICOM injection cylinder 6 and the A2 hydraulic fluid port of melten gel valve 4, B2 hydraulic fluid port UNICOM hydraulic motor 5 oil-ins of melten gel valve 4, the T2 hydraulic fluid port UNICOM counterbalance valve 3 of melten gel valve 4, counterbalance valve 3 guide oils are by 2 controls of electric-hydraulic proportion pilot operated compound relief valve, the injection pine moves back the T1 hydraulic fluid port of valve 1, counterbalance valve 3 oil return openings, hydraulic motor 5 oil return openings are by pipeline and oil path block and system oil return T UNICOM, pressure transmitter 7 feeds back to injection machine control computer screen with the back pressure value of reality, and realization injection machine numerical control smelting glue back pressure is accurately controlled function.
Described injection pine moves back valve 1 and is the 3-position 4-way direction valve, and melten gel valve 4 is the two-position four-way direction valve, and counterbalance valve 3 is controlled overflow valve for the guide, and electric-hydraulic proportion pilot operated compound relief valve 2 is independent oil return.
Injection machine is 4 actions of melten gel valve when doing the melten gel action, and electromagnet YA11 gets electric, and pressure oil arrives hydraulic motor by melten gel valve 4, and CD-ROM drive motor drives the screw in injection molding machine transhipment, realize the melten gel action.Because raw material produces during melten gel reaction force lead-screw and injection cylinder 6 piston rods shrink back, the fluid of injection cylinder 6 rod chambers arrives counterbalance valve 3 places by A2 hydraulic fluid port, the T2 hydraulic fluid port of melten gel valve 4 at this moment, and counterbalance valve 3 guide oils are by 2 controls of electric-hydraulic proportion pilot operated compound relief valve.
The user realizes numerical control smelting glue back pressure function at the computer melten gel control page input back pressure numerical value of injection machine by electrical control electric-hydraulic proportion pilot operated compound relief valve 2.
The utility model combines injection, the melten gel action of injection machine, and oil channel structures compactness, simple realizes that smelting glue back pressure is digital control, and feed back the back pressure actual value in the injection machine computer screen, intelligent, digitlization.
Claims (2)
1. injection machine numerical control smelting glue back pressure loop, it is characterized in that: system's oil-in moves back valve (1) oil-in with the injection pine, melten gel valve (4) oil-in is communicated with by oil path block is integrated, the injection pine moves back the rodless cavity of valve (1) first actuator port UNICOM injection cylinder (6), second actuator port is communicated with the rod chamber of injection cylinder, is communicated with melten gel valve (4) first actuator ports simultaneously; Melten gel valve (4) second actuator ports are communicated with hydraulic motor (5) oil-in, melten gel valve (4) oil return opening is communicated with counterbalance valve (3), counterbalance valve (3) guide oil is by electric-hydraulic proportion pilot operated compound relief valve (2) control, the injection pine moves back valve (1) oil return opening, counterbalance valve (3) oil return opening, hydraulic motor (5) oil return opening by pipeline and oil path block and system oil return T UNICOM, pressure transmitter (7) feeds back to injection machine control computer screen with the back pressure value of reality, realizes injection machine numerical control smelting glue back pressure function.
2. a kind of injection machine numerical control smelting glue back pressure as claimed in claim 1 loop, it is characterized in that: it is the 3-position 4-way direction valve that described injection pine moves back valve (1), melten gel valve (4) is the two-position four-way direction valve, counterbalance valve (3) is for the guide controls overflow valve, and electric-hydraulic proportion pilot operated compound relief valve (2) is independent oil return.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200089680U CN202037828U (en) | 2011-01-12 | 2011-01-12 | Numerical control molten gel backpressure circuit for injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200089680U CN202037828U (en) | 2011-01-12 | 2011-01-12 | Numerical control molten gel backpressure circuit for injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202037828U true CN202037828U (en) | 2011-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200089680U Expired - Fee Related CN202037828U (en) | 2011-01-12 | 2011-01-12 | Numerical control molten gel backpressure circuit for injection molding machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN202037828U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476234A (en) * | 2015-08-25 | 2017-03-08 | 宁波优诺姆机械有限公司 | A kind of hydraulic circuit structure |
| CN111559060A (en) * | 2020-05-20 | 2020-08-21 | 宁波华美达机械制造有限公司 | Zero back pressure injection oil piping system |
| CN113021819A (en) * | 2021-03-30 | 2021-06-25 | 广船国际有限公司 | Penetrate and glue back pressure test system and injection molding machine |
| CN114311575A (en) * | 2021-12-30 | 2022-04-12 | 阿托斯(上海)液压有限公司 | Injection molding machine backpressure control device and method based on double closed-loop PID regulation |
| CN116985366A (en) * | 2023-09-25 | 2023-11-03 | 博创智能装备股份有限公司 | Glue injection pressure test system and method |
-
2011
- 2011-01-12 CN CN2011200089680U patent/CN202037828U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476234A (en) * | 2015-08-25 | 2017-03-08 | 宁波优诺姆机械有限公司 | A kind of hydraulic circuit structure |
| CN111559060A (en) * | 2020-05-20 | 2020-08-21 | 宁波华美达机械制造有限公司 | Zero back pressure injection oil piping system |
| CN113021819A (en) * | 2021-03-30 | 2021-06-25 | 广船国际有限公司 | Penetrate and glue back pressure test system and injection molding machine |
| CN114311575A (en) * | 2021-12-30 | 2022-04-12 | 阿托斯(上海)液压有限公司 | Injection molding machine backpressure control device and method based on double closed-loop PID regulation |
| CN114311575B (en) * | 2021-12-30 | 2024-03-29 | 阿托斯(上海)液压有限公司 | Injection molding machine back pressure control device and method based on double closed-loop PID regulation |
| CN116985366A (en) * | 2023-09-25 | 2023-11-03 | 博创智能装备股份有限公司 | Glue injection pressure test system and method |
| CN116985366B (en) * | 2023-09-25 | 2024-01-09 | 博创智能装备股份有限公司 | Glue injection pressure test system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BORCHE MACHINERY CO., LTD. Free format text: FORMER NAME: GUANGZHOU BORCH MACHINERY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 511340 Guangzhou Province, Zengcheng City automobile industry base, Cheung Road, No. 9 Patentee after: BORCH MACHINEY Co.,Ltd. Address before: 511340 Guangzhou Province, Zengcheng City automobile industry base, Cheung Road, No. 9 Patentee before: Guangzhou Bo Chuang machinery Limited by Share Ltd. Address after: 511340 Guangzhou Province, Zengcheng City automobile industry base, Cheung Road, No. 9 Patentee after: Guangzhou Bo Chuang machinery Limited by Share Ltd. Address before: 511340 Guangzhou Province, Zengcheng City automobile industry base, Cheung Road, No. 9 Patentee before: Guangzhou Borch Machinery Co.,Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20140112 |