CN202186032U - Plastic control mechanism of injecting moulding machine - Google Patents
Plastic control mechanism of injecting moulding machine Download PDFInfo
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- CN202186032U CN202186032U CN2011202945267U CN201120294526U CN202186032U CN 202186032 U CN202186032 U CN 202186032U CN 2011202945267 U CN2011202945267 U CN 2011202945267U CN 201120294526 U CN201120294526 U CN 201120294526U CN 202186032 U CN202186032 U CN 202186032U
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Abstract
The utility model discloses a plastic control mechanism of an injecting moulding machine, comprising a motor pump group, a first plastic control mechanism and a second plastic control mechanism, wherein the first plastic control mechanism and the second plastic control mechanism are independently matched with a first group of control systems and a second group of control systems; two groups of control systems with independent control functions have strong controllability of practical operation, can realize combination of a plurality of different control modes, be provided with combined counterbalance valve and electromagnetic directional valve, and realize accurate metering and melt filling degree when the plastic in the charging barrel is molten; each control system is provided with a pressure flow proportional valve to realize efficient operation according to different original plastic characteristics. Two independent oil pumps with the same flow are provided to control two control systems, respectively and to realize synchronizing speed in simultaneous operation. The counterbalance valve is provided with three oil ports, namely a sharing one-way port, an overflow port and a master oil port so as to realize backpressure adjustability of pre-plasticization and fast efficiency of injection.
Description
Technical field
The utility model relates to the technical field of plastic rubber ejection shaping apparatus, particularly a kind of plastic cement controlling organization of Jet forming machine.
Background technology
In the structure of plastic rubber ejection shaping apparatus; The plastic injection machine structure part that is absolutely necessary; General plastic injection machine structure can be divided into monochromatic moulding and multicolour forming; And multicolour forming is divided into multicolour forming and interlayer colour mixture moulding two big classes clearly; Clear multicolour forming is meant that plastic material independently expects pipe group melten gel by each group and be injected to respectively in the die cavity of mould, and the colour mixture moulding is meant multiple different plastic material is injected to the die cavity of mould simultaneously through a shared nozzle, and the interlayer moulding is meant the die cavity that multiple different plastic material successively is injected to mould by the order of setting through shared nozzle.
In view of present control mode, be mostly independent control model, i.e. colour mixture moulding control, perhaps interlayer moulding control.Two kinds of control models can not realize simultaneously, effectively reduce the plastic rubber ejection shaping apparatus service efficiency like this.
Summary of the invention
The utility model technical problem to be solved is the present situation to prior art, and a kind of strong, operation is efficient, synchronism reaches a kind of Jet forming machine of control model strong modularity well plastic cement controlling organization reasonable in design, handling is provided.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of plastic cement controlling organization of Jet forming machine includes electric-motor pump group, the first plastic cement controlling organization, the second plastic cement controlling organization; The first plastic cement controlling organization, the second plastic cement controlling organization independent respectively supporting first set control system and second set control system;
First set control system includes the first ratio pressure flow valve, the first preformed reversal valve, first injection reversal valve, the first smelting glue back pressure valve and the first back pressure control valve; The pressure hydraulic fluid port of the first preformed reversal valve, the first injection reversal valve is connected with the first ratio pressure flow valve oil-out; The check valve oil-in of the first smelting glue back pressure valve, the first back pressure control valve pressure hydraulic fluid port link to each other with the B hydraulic fluid port of the first injection reversal valve simultaneously, and the overflow valve oil-out of the first smelting glue back pressure valve links to each other with an oil-out of the first back pressure control valve;
Second set control system includes the second ratio pressure flow valve, the second preformed reversal valve, second injection reversal valve, the second smelting glue back pressure valve and the second back pressure control valve; The pressure hydraulic fluid port of the second preformed reversal valve, the second injection reversal valve is connected with the second ratio pressure flow valve oil-out; The check valve oil-in of the second smelting glue back pressure valve, the second back pressure control valve pressure hydraulic fluid port link to each other with the B hydraulic fluid port of the second injection reversal valve simultaneously, and the overflow valve oil-out of the second smelting glue back pressure valve links to each other with an oil-out of the second back pressure control valve.
The measure of taking also comprises:
Above-mentioned electric-motor pump group comprises motor and the pair vane pump that matches, first oil pump of built-in two same displacement of pair vane pump and second oil pump; And first oil pump is connected with the first ratio pressure flow valve oil-in, and second oil pump is connected with the second ratio pressure flow valve oil-in.
The first above-mentioned smelting glue back pressure valve is built-in with the check valve and the overflow valve of parallel connection design, and has three hydraulic fluid ports; One hydraulic fluid port is the check valve oil-in, and two hydraulic fluid ports are the overflow valve oil-out, and three hydraulic fluid ports are total hydraulic fluid port that check valve oil-out and overflow valve oil-in are merged into.
The first above-mentioned back pressure control valve is the Sandwich plate valve structure, and pad is assigned in the bottom of the first smelting glue back pressure valve; The first back pressure control valve function is a two-position four way change valve.
The spool function of the first above-mentioned back pressure control valve spring end is that P and A are logical, T leads to B; The spool function of electromagnetism end is that P and B are logical, T leads to A.
The second above-mentioned smelting glue back pressure valve is built-in with the check valve and the overflow valve of parallel connection design, and has three hydraulic fluid ports; One hydraulic fluid port is the check valve oil-in, and two hydraulic fluid ports are the overflow valve oil-out, and three hydraulic fluid ports are total hydraulic fluid port that check valve oil-out and overflow valve oil-in are merged into.
The second above-mentioned back pressure control valve is the Sandwich plate valve structure, and pad is assigned in the bottom of the second smelting glue back pressure valve; The second back pressure control valve function is a two-position four way change valve.
The spool function of the second above-mentioned back pressure control valve spring end is that P and A are logical, T leads to B; The spool function of electromagnetism end is that P and B are logical, T leads to A.
Compared with prior art, the utility model includes electric-motor pump group, the first plastic cement controlling organization, the second plastic cement controlling organization; The first plastic cement controlling organization, the second plastic cement controlling organization independent respectively supporting first set control system and second set control system; The advantage of the utility model is: two set control systems that configuration has independent control function, be independent of each other, and the practical operation controllability is strong, can realize the combination of multiple different control models; Combined counterbalance valve and solenoid directional control valve are set, and realize that the interior plastic cement of barrel accurately measures when melting and the degree of filling of melt; Each control system all disposes the pressure flow proportioning valve, according to the former plastic properties of difference, reaches the method for operation targetedly, in the hope of realizing the operation high efficiency; Two independent oil pumps of configuration same traffic are controlled two control systems respectively, and global design is reasonable, the synchronizing speed when being beneficial to realize moving simultaneously; Counterbalance valve is split three hydraulic fluid ports, share unidirectional mouth, overfall and total hydraulic fluid port, back pressure adjustability, the property rapidly and efficiently when injecting when realizing preformed.
Description of drawings
Fig. 1 is the hydraulic principle sketch map of the utility model embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1, figure grade is explained as follows: electric-motor pump group 1, the first set control system 2, the first ratio pressure flow valves 21; The first preformed reversal valve, 22, the first injection reversal valves, 23, the first smelting glue back pressure valves, 24, the first back pressure control valves 25; Second set control system, 3, the second ratio pressure flow valves, 31, the second preformed reversal valves, 32, the second injection reversal valves 33; The second smelting glue back pressure valve, 34, the second back pressure control valves, 35, the first plastic cement controlling organization A, the second plastic cement controlling organization B; Motor M, the first oil pump Q1, the second oil pump Q2.
The utility model embodiment, a kind of plastic cement controlling organization of Jet forming machine includes electric-motor pump group 1, the first plastic cement controlling organization A, the second plastic cement controlling organization B; The first plastic cement controlling organization A, the second plastic cement controlling organization B independent respectively supporting first set control system 2 and second set control system 3;
First set control system 2 includes the first ratio pressure flow valve 21, the first preformed reversal valve 22, first injection reversal valve 23, the first smelting glue back pressure valve 24 and the first back pressure control valve 25; The pressure hydraulic fluid port that the first preformed reversal valve 22, first is injected reversal valve 23 is connected with the first ratio pressure flow valve, 21 oil-outs; The check valve oil-in of the first smelting glue back pressure valve 24, the first back pressure control valve, 25 pressure hydraulic fluid ports link to each other with the B hydraulic fluid port of the first injection reversal valve 23 simultaneously, and the overflow valve oil-out of the first smelting glue back pressure valve 24 links to each other with an oil-out of the first back pressure control valve 25;
Second set control system 3 includes the second ratio pressure flow valve 31, the second preformed reversal valve 32, second injection reversal valve 33, the second smelting glue back pressure valve 34 and the second back pressure control valve 35; The pressure hydraulic fluid port that the second preformed reversal valve 32, second is injected reversal valve 33 is connected with the second ratio pressure flow valve, 31 oil-outs; The check valve oil-in of the second smelting glue back pressure valve 34, the second back pressure control valve, 35 pressure hydraulic fluid ports link to each other with the B hydraulic fluid port of the second injection reversal valve 33 simultaneously, and the overflow valve oil-out of the second smelting glue back pressure valve 34 links to each other with an oil-out of the second back pressure control valve 35.Two set control systems that configuration has independent control function are independent of each other, and the practical operation controllability is strong, can realize the combination of multiple different control models; Combined counterbalance valve and solenoid directional control valve are set, and realize that the interior plastic cement of barrel accurately measures when melting and the degree of filling of melt; Each control system all disposes the pressure flow proportioning valve, according to the former plastic properties of difference, reaches the method for operation targetedly, in the hope of realizing the operation high efficiency.
Electric-motor pump group 1 comprises motor M and the pair vane pump that matches, the first oil pump Q1 of built-in two same displacement of described pair vane pump and the second oil pump Q2; And the first oil pump Q1 is connected with the described first ratio pressure flow valve, 21 oil-ins, and the second oil pump Q2 is connected with the described second ratio pressure flow valve, 31 oil-ins.Two independent oil pumps of configuration same traffic are controlled two control systems respectively, and global design is reasonable, the synchronizing speed when being beneficial to realize moving simultaneously.
The first smelting glue back pressure valve 24 is built-in with the check valve and the overflow valve of parallel connection design, and has three hydraulic fluid ports; One hydraulic fluid port is the check valve oil-in, and two hydraulic fluid ports are the overflow valve oil-out, and three hydraulic fluid ports are total hydraulic fluid port that check valve oil-out and overflow valve oil-in are merged into.The first back pressure control valve 25 is the Sandwich plate valve structure, and pad is assigned in the bottom of the first smelting glue back pressure valve 24; The described first back pressure control valve, 25 functions are two-position four way change valve.The spool function of the first back pressure control valve, 25 spring terminals is that P and A are logical, T leads to B; The spool function of electromagnetism end is that P and B are logical, T leads to A.Counterbalance valve is split three hydraulic fluid ports, share unidirectional mouth, overfall and total hydraulic fluid port, back pressure adjustability, the property rapidly and efficiently when injecting when realizing preformed;
The second smelting glue back pressure valve 34 is built-in with the check valve and the overflow valve of parallel connection design, and has three hydraulic fluid ports; One hydraulic fluid port is the check valve oil-in, and two hydraulic fluid ports are the overflow valve oil-out, and three hydraulic fluid ports are total hydraulic fluid port that check valve oil-out and overflow valve oil-in are merged into.The second back pressure control valve 35 is the Sandwich plate valve structure, and pad is assigned in the bottom of the second smelting glue back pressure valve 34; The described second back pressure control valve, 35 functions are two-position four way change valve.The spool function of the second back pressure control valve, 35 spring terminals is that P and A are logical, T leads to B; The spool function of electromagnetism end is that P and B are logical, T leads to A.Counterbalance valve is split three hydraulic fluid ports, share unidirectional mouth, overfall and total hydraulic fluid port, back pressure adjustability, the property rapidly and efficiently when injecting when realizing preformed;
The injection control model of the utility model embodiment is following three kinds:
First kind: colour mixture moulding pattern
The first injection reversal valve 23 of the first plastic cement controlling organization A and the second injection reversal valve, the 33 left side electromagnet of the second plastic cement controlling organization B are gone into electricity simultaneously, simultaneously the first back pressure control valve 25 and the second back pressure control valve, 35 electromagnet are gone into; The ejaculation cylinder that the hydraulic oil that the first oil pump Q1 and the second oil pump Q2 produce promotes among the first plastic cement controlling organization A, the second plastic cement controlling organization B moves forward, and the plastics that are about in two barrels penetrate simultaneously;
Second kind: distinguish interlayer moulding pattern
The first injection reversal valve 23 left side electromagnet and the first back pressure control valve, 25 electromagnet of the first plastic cement controlling organization A are gone into simultaneously; The ejaculation cylinder that the hydraulic oil that the first oil pump Q1 produces promotes the first plastic cement controlling organization A moves forward, and the plastics that are about in the first plastic cement controlling organization A barrel penetrate;
After treating the first plastic cement controlling organization A complete operation, again the second injection reversal valve 33 left side electromagnet of the second plastic cement controlling organization B and the second back pressure control valve, 35 electromagnet of the second plastic cement controlling organization B are gone into simultaneously; The ejaculation cylinder that the hydraulic oil that the second oil pump Q2 produces promotes among the second plastic cement controlling organization B moves forward, and the plastics that are about in the second plastic cement controlling organization B barrel penetrate;
Otherwise also can, earlier the first plastic cement controlling organization A is restarted in the two the second plastic cement controlling organization B operations; Realize two groups of independently plastics ejaculation controls;
The third: spacer interlayers moulding pattern
According to the different demands of moulded products, the ejaculation campaign sequencing of the first plastic cement controlling organization A and the second plastic cement controlling organization B is set, realize various sandwich injection;
Or retable glue controlling organization operation earlier is set, another retable glue controlling organization operation again, and strike a bargain for operation at interval;
Or two retable glue controlling organizations move simultaneously earlier, retable glue controlling organization operation earlier again, and another retable glue controlling organization operation operation at last, and strike a bargain for operation at interval;
Or retable glue controlling organization operation earlier is set, and two retable glue controlling organizations move simultaneously again, another retable glue controlling organization operation at last, and strike a bargain for operation at interval, and strike a bargain for operation at interval;
Or retable glue controlling organization operation earlier, another retable glue controlling organization operation again, last two retable glue controlling organizations move simultaneously, and strike a bargain for operation at interval.
The advantage of the utility model is: two set control systems that configuration has independent control function, be independent of each other, and the practical operation controllability is strong, can realize the combination of multiple different control models; Combined counterbalance valve and solenoid directional control valve are set, and realize that the interior plastic cement of barrel accurately measures when melting and the degree of filling of melt; Each control system all disposes the pressure flow proportioning valve, according to the former plastic properties of difference, reaches the method for operation targetedly, in the hope of realizing the operation high efficiency; Two independent oil pumps of configuration same traffic are controlled two control systems respectively, and global design is reasonable, the synchronizing speed when being beneficial to realize moving simultaneously; Counterbalance valve is split three hydraulic fluid ports, share unidirectional mouth, overfall and total hydraulic fluid port, back pressure adjustability, the property rapidly and efficiently when injecting when realizing preformed.
The most preferred embodiment of the utility model is illustrated, and various variations of being made by those of ordinary skills or remodeling can not break away from the scope of the utility model.
Claims (9)
1. the plastic cement controlling organization of a Jet forming machine includes electric-motor pump group (1), the first plastic cement controlling organization (A), the second plastic cement controlling organization (B); It is characterized in that: the described first plastic cement controlling organization (A), the second plastic cement controlling organization (B) independent respectively supporting first set control system (2) and second set control system (3);
Described first set control system (2) includes the first ratio pressure flow valve (21), the first preformed reversal valve (22), first injection reversal valve (23), the first smelting glue back pressure valve (24) and the first back pressure control valve (25); The pressure hydraulic fluid port of the described first preformed reversal valve (22), the first injection reversal valve (23) is connected with first ratio pressure flow valve (21) oil-out; The check valve oil-in of the described first smelting glue back pressure valve (24), first back pressure control valve (25) the pressure hydraulic fluid port link to each other with the B hydraulic fluid port of the first injection reversal valve (23) simultaneously, and the overflow valve oil-out of the described first smelting glue back pressure valve (24) links to each other with an oil-out of the first back pressure control valve (25).
2. the plastic cement controlling organization of a kind of Jet forming machine according to claim 1 is characterized in that: described second set control system (3) includes the second ratio pressure flow valve (31), the second preformed reversal valve (32), second injection reversal valve (33), the second smelting glue back pressure valve (34) and the second back pressure control valve (35); The pressure hydraulic fluid port of the described second preformed reversal valve (32), the second injection reversal valve (33) is connected with second ratio pressure flow valve (31) oil-out; The check valve oil-in of the described second smelting glue back pressure valve (34), second back pressure control valve (35) the pressure hydraulic fluid port link to each other with the B hydraulic fluid port of the second injection reversal valve (33) simultaneously, and the overflow valve oil-out of the described second smelting glue back pressure valve (34) links to each other with an oil-out of the second back pressure control valve (35).
3. the plastic cement controlling organization of a kind of Jet forming machine according to claim 2; It is characterized in that: described electric-motor pump group (1) comprises motor (M) and the pair vane pump that matches, first oil pump (Q1) of built-in two same displacement of described pair vane pump and second oil pump (Q2); And first oil pump (Q1) is connected with described first ratio pressure flow valve (21) oil-in, and second oil pump (Q2) is connected with described second ratio pressure flow valve (31) oil-in.
4. the plastic cement controlling organization of a kind of Jet forming machine according to claim 3 is characterized in that: the described first smelting glue back pressure valve (24) is built-in with the check valve and the overflow valve of parallel connection design, and has three hydraulic fluid ports; One hydraulic fluid port is the check valve oil-in, and two hydraulic fluid ports are the overflow valve oil-out, and three hydraulic fluid ports are total hydraulic fluid port that check valve oil-out and overflow valve oil-in are merged into.
5. the plastic cement controlling organization of a kind of Jet forming machine according to claim 4 is characterized in that: the described first back pressure control valve (25) is the Sandwich plate valve structure, and pad is assigned in the bottom of the first smelting glue back pressure valve (24); Described first back pressure control valve (25) function is a two-position four way change valve.
6. the plastic cement controlling organization of a kind of Jet forming machine according to claim 5 is characterized in that: the spool function of described first back pressure control valve (25) spring terminal is that P and A are logical, T leads to B; The spool function of electromagnetism end is that P and B are logical, T leads to A.
7. the plastic cement controlling organization of a kind of Jet forming machine according to claim 3 is characterized in that: the described second smelting glue back pressure valve (34) is built-in with the check valve and the overflow valve of parallel connection design, and has three hydraulic fluid ports; One hydraulic fluid port is the check valve oil-in, and two hydraulic fluid ports are the overflow valve oil-out, and three hydraulic fluid ports are total hydraulic fluid port that check valve oil-out and overflow valve oil-in are merged into.
8. the plastic cement controlling organization of a kind of Jet forming machine according to claim 7 is characterized in that: the described second back pressure control valve (35) is the Sandwich plate valve structure, and pad is assigned in the bottom of the second smelting glue back pressure valve (34); Described second back pressure control valve (35) function is a two-position four way change valve.
9. the plastic cement controlling organization of a kind of Jet forming machine according to claim 8 is characterized in that: the spool function of described second back pressure control valve (35) spring terminal is that P and A are logical, T leads to B; The spool function of electromagnetism end is that P and B are logical, T leads to A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202945267U CN202186032U (en) | 2011-08-15 | 2011-08-15 | Plastic control mechanism of injecting moulding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202945267U CN202186032U (en) | 2011-08-15 | 2011-08-15 | Plastic control mechanism of injecting moulding machine |
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| Publication Number | Publication Date |
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| CN202186032U true CN202186032U (en) | 2012-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202945267U Expired - Lifetime CN202186032U (en) | 2011-08-15 | 2011-08-15 | Plastic control mechanism of injecting moulding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275282A (en) * | 2011-08-15 | 2011-12-14 | 富强鑫（宁波）机器制造有限公司 | Plastic control mechanism for multi-component plastic injection molding and control mode of plastic control mechanism |
-
2011
- 2011-08-15 CN CN2011202945267U patent/CN202186032U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275282A (en) * | 2011-08-15 | 2011-12-14 | 富强鑫（宁波）机器制造有限公司 | Plastic control mechanism for multi-component plastic injection molding and control mode of plastic control mechanism |
| CN102275282B (en) * | 2011-08-15 | 2013-06-26 | 富强鑫（宁波）机器制造有限公司 | Plastic control mechanism for multi-component plastic injection molding and control mode of plastic control mechanism |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |
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| CX01 | Expiry of patent term |