CN111204019A - Storage balance oil way of vertical injection molding machine - Google Patents
Storage balance oil way of vertical injection molding machine Download PDFInfo
- Publication number
- CN111204019A CN111204019A CN202010123577.7A CN202010123577A CN111204019A CN 111204019 A CN111204019 A CN 111204019A CN 202010123577 A CN202010123577 A CN 202010123577A CN 111204019 A CN111204019 A CN 111204019A
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- China
- Prior art keywords
- oil pipe
- oil
- electromagnetic directional
- communicated
- directional valve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/82—Hydraulic or pneumatic circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76775—Fluids
- B29C2945/76785—Fluids hydraulic fluids
Abstract
The invention discloses a material storage balance oil way of a vertical injection molding machine, which comprises: the injection mechanism, the first electromagnetic directional valve and the second electromagnetic directional valve; a pressure oil port is formed in the P end of the first electromagnetic directional valve; the ejection mechanism is provided with a first oil pipe and a second oil pipe; the first oil pipe is sequentially provided with a third oil pipe, a direct-acting overflow valve and a guide type pressure reducing valve; the other end of the first oil pipe is communicated with the pressure oil port; the other end of the third oil pipe is communicated with the end B of the first electromagnetic directional valve; the other end of the second oil pipe is communicated with the end B of the second electromagnetic directional valve; a fourth oil pipe is arranged at the T end of the second electromagnetic directional valve; a pilot type overflow valve is arranged on the fourth oil pipe; one end of the fourth oil pipe is communicated with the T end of the second electromagnetic directional valve, and the other end of the fourth oil pipe is provided with a fifth oil pipe; and one end of the fifth oil pipe is provided with a first oil tank, and the other end of the fifth oil pipe is provided with an oil motor and is communicated with the A end of the second electromagnetic directional valve. Through the mode, the invention has the advantages of stable operation, product quality guarantee and service life extension.
Description
Technical Field
The invention relates to an improvement of a turret mold core reset oil way, in particular to a turret mold core reset oil way which solves the problem that an injection mechanism is unstable in operation under an injection molding working condition, ensures the product quality of an injection molding machine and prolongs the service life of the injection molding machine; the improved structure is improved on the basis of not changing the original oil circuit structure, and can be directly applied to the material storage balance oil circuit of the vertical injection molding machine of the existing injection molding machine.
Background
The injection-withdrawal oil way structure for the conventional vertical injection molding machine is controlled by using a first electromagnetic directional valve; when the screw charging barrel executes the material storage action, the ejection mechanism moves upwards, the loosening cavity is supplemented with oil from the T end through the first electromagnetic reversing valve, the pressure of the T end is unstable, and the pressure generated by the self weight of the ejection mechanism and the friction force of mechanical movement is insufficient to balance, so that the instability of the material storage action is caused.
Disclosure of Invention
The invention mainly solves the technical problem of providing a novel injection molding machine, which solves the problem of unstable operation of an injection mechanism in an injection molding working condition, ensures the product quality of the injection molding machine and prolongs the service life of the injection molding machine; the improved structure is improved on the basis of not changing the original oil circuit structure, and can be directly applied to the material storage balance oil circuit of the vertical injection molding machine of the existing injection molding machine.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a balanced oil circuit of storage of vertical injection molding machine, includes: the injection mechanism, the first electromagnetic directional valve and the second electromagnetic directional valve; a loosening cavity is arranged in the ejection mechanism; a pressure oil port is formed in the P end of the first electromagnetic directional valve; the injection mechanism is provided with a first oil pipe and a second oil pipe; a third oil pipe, a direct-acting overflow valve and a guide type pressure reducing valve are sequentially arranged on the first oil pipe from a position close to the injection mechanism; one end of the first oil pipe is communicated with the ejection mechanism, and the other end of the first oil pipe is communicated with the pressure oil port; one end of the third oil pipe is communicated with the first oil pipe, and the other end of the third oil pipe is communicated with the end B of the first electromagnetic directional valve; one end of the second oil pipe is communicated with the ejection mechanism, and the other end of the second oil pipe is communicated with the end B of the second electromagnetic directional valve; a fourth oil pipe communicated with the T end of the second electromagnetic reversing valve is arranged at the T end of the second electromagnetic reversing valve; a pilot type overflow valve is arranged on the fourth oil pipe; one end of the fourth oil pipe is communicated with the T end of the second electromagnetic directional valve, and the other end of the fourth oil pipe is provided with a fifth oil pipe; one end of the fifth oil pipe is provided with a first oil tank, and the other end of the fifth oil pipe is communicated with the A end of the second electromagnetic directional valve; an oil motor is arranged on the oil pipe at the other end of the fifth oil pipe; and a sixth oil pipe is arranged at the P end of the second electromagnetic directional valve.
Preferably, a second oil tank is arranged at the end T of the first electromagnetic directional valve in a communicating manner.
Preferably, the first electromagnetic directional valve is a 2-way valve having an O-type neutral function.
Preferably, the bit function B end of the second electromagnetic directional valve is communicated with the T end.
Preferably, a screw is arranged in the oil motor.
The invention has the beneficial effects that: the storage balance oil way of the vertical injection molding machine solves the problem that an injection mechanism is unstable in operation under the injection molding working condition, ensures the product quality of the injection molding machine, and prolongs the service life of the injection molding machine; the structure is improved on the basis of not changing the original oil way structure, and can be directly applied to the existing injection molding machine.
Drawings
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
FIG. 1 is a schematic structural diagram of a material storage balance oil way of the vertical injection molding machine.
Wherein: 1. an ejection mechanism; 2. a first electromagnetic directional valve; 3. a second electromagnetic directional valve; 4. a pressure oil port; 5 a first oil pipe; 6. a second oil pipe; 7. a third oil pipe; 8. a direct-acting overflow valve; 9. a pilot type pressure reducing valve; 10. a fourth oil pipe; 11. a pilot-operated relief valve; 12. a fifth oil pipe; 13. a first oil tank; 14. an oil motor; 15. a sixth oil pipe; 16. a second oil tank.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1, the present invention includes:
in order to solve the technical problem, the invention adopts a technical scheme that the material storage balance oil way of the vertical injection molding machine comprises: the injection mechanism 1, the first electromagnetic directional valve 2 and the second electromagnetic directional valve 3; a loosening cavity is arranged in the ejection mechanism 1; a pressure oil port 4 is formed in the P end of the first electromagnetic directional valve 2; the injection mechanism 1 is provided with a first oil pipe 5 and a second oil pipe 6; a third oil pipe 7, a direct-acting overflow valve 8 and a guide type pressure reducing valve 9 are sequentially arranged on the first oil pipe 5 from the position close to the injection mechanism 1; one end of the first oil pipe 5 is communicated with the injection mechanism 1, and the other end of the first oil pipe is communicated with the pressure oil port 4; one end of the third oil pipe 7 is communicated with the first oil pipe 5, and the other end of the third oil pipe is communicated with the end B of the first electromagnetic directional valve 2; one end of the second oil pipe 6 is communicated with the injection mechanism 1, and the other end of the second oil pipe is communicated with the end B of the second electromagnetic directional valve 3; a fourth oil pipe 10 communicated with the T end of the second electromagnetic directional valve 3 is arranged at the T end of the second electromagnetic directional valve; a pilot type overflow valve 11 is arranged on the fourth oil pipe 10; one end of the fourth oil pipe 10 is communicated with the T end of the second electromagnetic directional valve 3, and the other end of the fourth oil pipe is provided with a fifth oil pipe 12; one end of the fifth oil pipe 12 is provided with a first oil tank 13, and the other end of the fifth oil pipe is communicated with the end A of the second electromagnetic directional valve 3; an oil motor 14 is arranged on the oil pipe at the other end of the fifth oil pipe 12; and a sixth oil pipe 15 is arranged at the P end of the second electromagnetic directional valve 3.
And a second oil tank 16 is communicated with the end 2T of the first electromagnetic directional valve.
The first electromagnetic directional valve 2 is a 2-way valve with O-shaped neutral position function.
The B end and the T end of the position function in the second electromagnetic directional valve 3 are communicated.
A screw is arranged in the oil motor 14.
When the screw charging barrel executes a storage action: the second electromagnetic directional valve 3 is electrified, the first electromagnetic directional valve 2 is disconnected, at the moment, the second electromagnetic directional valve 3P → A, B → T is connected with the first electromagnetic directional valve 3P → A, B → T, and the oil motor controls the screw to execute the material storage action; the loosening cavity of the injection mechanism 1 is communicated with the pressure oil port 4 all the time through a guide type pressure reducing valve 9 and a direct-acting overflow valve 8; the injection cavity of the injection mechanism 1 is communicated with a first oil tank 13 through a second electromagnetic directional valve 3 and a pilot type overflow valve 11; at the moment, the injection mechanism 1 is subjected to material storage action, the loosening cavity is enlarged, oil is supplemented through a guide type pressure reducing valve 9, a direct-acting overflow valve 8 and a pressure oil port 4, the oil pressure is stabilized, and the self weight and the mechanical friction force of the injection mechanism 1 are balanced; and an injection cavity of the injection mechanism 1 overflows and returns oil through the second electromagnetic directional valve 3 and the pilot type overflow valve 11, so that the stability of the material storage action is ensured.
The invention has the beneficial effects that: the storage balance oil way of the vertical injection molding machine solves the problem that an injection mechanism is unstable in operation under the injection molding working condition, ensures the product quality of the injection molding machine, and prolongs the service life of the injection molding machine; the structure is improved on the basis of not changing the original oil way structure, and can be directly applied to the existing injection molding machine.
The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (5)
1. The utility model provides a balanced oil circuit of storage of vertical injection molding machine which characterized in that: the method comprises the following steps: the injection mechanism, the first electromagnetic directional valve and the second electromagnetic directional valve; a loosening cavity is arranged in the ejection mechanism; a pressure oil port is formed in the P end of the first electromagnetic directional valve; the injection mechanism is provided with a first oil pipe and a second oil pipe; a third oil pipe, a direct-acting overflow valve and a guide type pressure reducing valve are sequentially arranged on the first oil pipe from a position close to the injection mechanism; one end of the first oil pipe is communicated with the ejection mechanism, and the other end of the first oil pipe is communicated with the pressure oil port; one end of the third oil pipe is communicated with the first oil pipe, and the other end of the third oil pipe is communicated with the end B of the first electromagnetic directional valve; one end of the second oil pipe is communicated with the ejection mechanism, and the other end of the second oil pipe is communicated with the end B of the second electromagnetic directional valve; a fourth oil pipe communicated with the T end of the second electromagnetic reversing valve is arranged at the T end of the second electromagnetic reversing valve; a pilot type overflow valve is arranged on the fourth oil pipe; one end of the fourth oil pipe is communicated with the T end of the second electromagnetic directional valve, and the other end of the fourth oil pipe is provided with a fifth oil pipe; one end of the fifth oil pipe is provided with a first oil tank, and the other end of the fifth oil pipe is communicated with the A end of the second electromagnetic directional valve; an oil motor is arranged on the oil pipe at the other end of the fifth oil pipe; and a sixth oil pipe is arranged at the P end of the second electromagnetic directional valve.
2. The material storage balance oil way of the vertical injection molding machine according to claim 1, characterized in that: and a second oil tank is communicated with the T end of the first electromagnetic directional valve.
3. The material storage balance oil way of the vertical injection molding machine according to claim 1, characterized in that: the first electromagnetic directional valve is a 2-way valve with an O-shaped neutral position function.
4. The material storage balance oil way of the vertical injection molding machine according to claim 1, characterized in that: and the B end of the bit function in the second electromagnetic directional valve is communicated with the T end.
5. The material storage balance oil way of the vertical injection molding machine according to claim 1, characterized in that: a screw is arranged in the oil motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123577.7A CN111204019A (en) | 2020-02-27 | 2020-02-27 | Storage balance oil way of vertical injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123577.7A CN111204019A (en) | 2020-02-27 | 2020-02-27 | Storage balance oil way of vertical injection molding machine |
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| Publication Number | Publication Date |
|---|---|
| CN111204019A true CN111204019A (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010123577.7A Pending CN111204019A (en) | 2020-02-27 | 2020-02-27 | Storage balance oil way of vertical injection molding machine |
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| CN (1) | CN111204019A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113650252A (en) * | 2021-07-05 | 2021-11-16 | 海天塑机集团有限公司 | Hydraulic control loop for accelerating forming of PET raw material |
Citations (6)
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|---|---|---|---|---|
| CN202685256U (en) * | 2012-01-11 | 2013-01-23 | 博创机械股份有限公司 | Injection molding machine servo valve controlled injection oil line system with combined accumulator plastic injection |
| CN106346731A (en) * | 2016-11-21 | 2017-01-25 | 宁波海太工贸有限公司 | Injection control system of injection molding machine |
| CN106476233A (en) * | 2015-08-28 | 2017-03-08 | 震雄机械（深圳）有限公司 | Jet forming machine and its plasticization unit hydraulic control device, back pressure control method |
| CN206374164U (en) * | 2017-01-13 | 2017-08-04 | 东莞市瑞拓五金橡塑有限公司 | Rubber injection moulding machine |
| CN208148424U (en) * | 2018-02-08 | 2018-11-27 | 丰铁机械(苏州)有限公司 | A kind of open mold oil circuit of injection molding machine |
| CN109624254A (en) * | 2019-01-10 | 2019-04-16 | 泰瑞机器股份有限公司 | A kind of high response injection molding machine servo pumping cylinder injecting systems |
-
2020
- 2020-02-27 CN CN202010123577.7A patent/CN111204019A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202685256U (en) * | 2012-01-11 | 2013-01-23 | 博创机械股份有限公司 | Injection molding machine servo valve controlled injection oil line system with combined accumulator plastic injection |
| CN106476233A (en) * | 2015-08-28 | 2017-03-08 | 震雄机械（深圳）有限公司 | Jet forming machine and its plasticization unit hydraulic control device, back pressure control method |
| CN106346731A (en) * | 2016-11-21 | 2017-01-25 | 宁波海太工贸有限公司 | Injection control system of injection molding machine |
| CN206374164U (en) * | 2017-01-13 | 2017-08-04 | 东莞市瑞拓五金橡塑有限公司 | Rubber injection moulding machine |
| CN208148424U (en) * | 2018-02-08 | 2018-11-27 | 丰铁机械(苏州)有限公司 | A kind of open mold oil circuit of injection molding machine |
| CN109624254A (en) * | 2019-01-10 | 2019-04-16 | 泰瑞机器股份有限公司 | A kind of high response injection molding machine servo pumping cylinder injecting systems |
Non-Patent Citations (2)
| Title |
|---|
| 张帆: "《液压与气动控制及应用》", 31 August 2018, 北京理工大学出版社 * |
| 赵应樾: "《名优机械液压系统及其修理》", 31 March 2002, 上海交通大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113650252A (en) * | 2021-07-05 | 2021-11-16 | 海天塑机集团有限公司 | Hydraulic control loop for accelerating forming of PET raw material |
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Application publication date: 20200529 |