CN2313734Y - Hydraulic commission of injector with rotary table - Google Patents
Hydraulic commission of injector with rotary table Download PDFInfo
- Publication number
- CN2313734Y CN2313734Y CN 97242815 CN97242815U CN2313734Y CN 2313734 Y CN2313734 Y CN 2313734Y CN 97242815 CN97242815 CN 97242815 CN 97242815 U CN97242815 U CN 97242815U CN 2313734 Y CN2313734 Y CN 2313734Y
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- hydraulic
- control valve
- directional control
- solenoid directional
- hydraulic cylinder
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- Expired - Fee Related
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Abstract
The utility model relates to a rotary table type hydraulic transmission device of an injector. The utility model comprises a hydraulic cylinder A61 which is used for controlling a mode locked system, a hydraulic cylinder B62 which is used for controlling an injection system, and a hydraulic motor B72 which is used for controlling a premold system. The hydraulic cylinder A61, the hydraulic cylinder B62, and the hydraulic motor B72 are respectively connected with an electromagnetic reversing valve in an external connection way. The electromagnetic reversing valve is connected with a hydraulic pump through an electromagnetic proportional overflow valve and an electromagnetic proportional speed regulating valve which are connected in parallel. The working pressure and the working time of each process can be regulated in a stepless way to suitable for the arts demands of different molds.
Description
The utility model relates to a kind of injector of turntable type mobility model, particularly a kind of turntable type injector hydraulic transmission.
Have a significant impact product properties and quality inject time, and the factors such as wall thickness, shape and mould structure that depend on goods this inject time, existing turntable type injector hydraulic transmission only disposes pressure regulator valve, can only adjust the operating pressure of each operation, and the responsiveness of each operation is invariable can't the adjustment, like this, certainly will cause the whole hydraulic transmission can't be, and finally influence production efficiency and product quality in response to the arts demand of each mould.
The purpose of this utility model is to overcome weak point of the prior art, and provide a kind of operating pressure and the turntable type injector hydraulic transmission of responsiveness that can the every operation of stepless adjustment, further purpose of the present utility model to be to provide a kind of reliable operation, high efficiency, structure to form better simply again turntable type injector hydraulic transmission to need in response to different moulds, different operation.
The purpose of this utility model realizes by following approach.
Turntable type injector hydraulic transmission: comprise the hydraulic cylinder A that controls clamping system, the hydraulic cylinder B of control injecting systems and the hydraulic motor B that controls pre-moulding system, hydraulic cylinder A, hydraulic cylinder B and hydraulic motor B be external solenoid directional control valve respectively, solenoid directional control valve is connected with hydraulic pump by a kind of pressure regulator valve A, it forms main points: pressure regulator valve A is a kind of electromagnetic proportion relief valve, and a kind of solenoid-operated proportional flow speed control valve is in parallel with this electromagnetic proportion relief valve.
The purpose of this utility model can also realize by following approach.
Also comprise a kind of hydraulic motor A that controls the turntable transposition, it is connected with hydraulic pump by solenoid directional control valve.
Also comprise a kind of hydraulic motor A that controls the turntable transposition, have four 3-position 4-way solenoid directional control valves and two hydraulic pumps, the external pressure regulator valve A that is connected in parallel of hydraulic pump A, behind the solenoid-operated proportional flow speed control valve more respectively with solenoid directional control valve A, solenoid directional control valve B is connected with solenoid directional control valve, wherein, other three ports of solenoid directional control valve A respectively with fuel tank, hydraulic cylinder B advances, oil-out connects, other three ports of solenoid directional control valve B respectively with fuel tank, hydraulic cylinder A high pressure chest oil-in and hydraulic motor B connect, other three ports of solenoid directional control valve C then respectively with fuel tank, the control end of hydraulic cylinder A speedup chamber oil-in and check valve A connects, check valve A one termination fuel tank, the other end is connected with the high pressure chest oil-in of hydraulic cylinder A, hydraulic pump B is connected with solenoid directional control valve D, other three ports of solenoid directional control valve D respectively with fuel tank, hydraulic motor A and hydraulic cylinder A oil back chamber oil return opening connect, and hydraulic cylinder A is a kind of speedup cylinder that is combined by piston cylinder and plunger case.
Like this, not only can carry out stepless adjustment,, thereby help improving the quality of products, enhance productivity with needs in response to different moulds, different product material prescription to the operating pressure and the responsiveness of each operation.And, proportional velocity regulating valve and proportional pressure control valve complement each other, also brought following unexpected effect: the variation of following load owing to proportional pressure control valve changes, make proportional velocity regulating valve be in work under the reasonable and stable pressure reduction, thereby improve the precision of proportional velocity regulating valve greatly, realize best speed adjusting performance; In addition, the utility model also has reliable operation, high efficiency (because the intervention of solenoid-operated proportional flow speed control valve, make the responsiveness of each operation can obtain setting than science, and the intervention of speedup hydraulic cylinder is not only shortened the locked mode time greatly), hydraulic circuit is formed and structure but also simple advantage.
Accompanying drawing is the hydraulic circuit diagram of the utility model most preferred embodiment.
Below we carry out more detailed description to the utility model in conjunction with the accompanying drawings.Most preferred embodiment:
With reference to accompanying drawing, turntable type injector hydraulic transmission, comprise the hydraulic cylinder A61, the hydraulic cylinder B62 of control injecting systems, the hydraulic motor A71 of control turntable transposition that control clamping system, control the hydraulic motor B72 of pre-moulding system, four 3-position 4-way solenoid directional control valves, two hydraulic pumps and solenoid-operated proportional flow speed control valve and by the pressure regulator valve A3 of electromagnetic proportion relief valve conduct.Be connected with solenoid directional control valve C13 with solenoid directional control valve A11, solenoid directional control valve B12 respectively again behind the external solenoid-operated proportional flow speed control valve 4 that is connected in parallel of hydraulic pump A21 and the electromagnetic proportion relief valve.The port connected mode of solenoid directional control valve A11 is the Y pattern shown in the figure, its other three ports respectively with fuel tank 5, hydraulic cylinder B62 connects into and out of hydraulic fluid port.The port connected mode of solenoid directional control valve B12 is the O pattern shown in the figure, and one of them in its other three ports is connected with hydraulic cylinder A61 high pressure chest oil-in 611 by check valve B82, and two other then is connected with fuel tank 5 and hydraulic motor B72 respectively.The port connected mode of solenoid directional control valve C13 is 0 pattern, its other three ports then respectively with fuel tank 5, the control end of hydraulic cylinder A61 speedup chamber oil-in 612 and check valve A81 connects, check valve A81 one termination fuel tank 5, and the other end is connected with the high pressure chest oil-in of hydraulic cylinder A61.Hydraulic pump B22 is connected with solenoid directional control valve D14, and the port connected mode of solenoid directional control valve D14 is the N pattern, and its other three ports are connected with fuel tank 5, hydraulic cylinder A61 oil back chamber oil return opening 613 and hydraulic motor A71 respectively.Hydraulic pump B22 outlet also bypass connects pressure regulator valve B9.
This hydraulic control device job order is as follows:
Primer fluid press pump A21, control solenoid directional control valve B12 is operated in right position state, backs down check valve C83 through electromagnetic proportion relief valve and the adjusted pressure oil of solenoid-operated proportional flow speed control valve, and hydraulic motor B72 rotates, and pre-moulding system is started working;
Control solenoid directional control valve C13 is operated in position, left side state, and the pressure oil after electromagnetic proportion relief valve and solenoid-operated proportional flow speed control valve are readjusted enters the speedup chamber of hydraulic cylinder A61, piston fast moving;
Stir solenoid directional control valve B12, make it be operated in right position state, electromagnetic proportion relief valve and solenoid-operated proportional flow speed control valve are set up in hydraulic motor B72 stall again, pressure oil backs down the high pressure chest that check valve B82 enters hydraulic cylinder A61, and piston is converted at a slow speed, the impulse stroke of high thrust finishes until locked mode;
Stir solenoid directional control valve A11, make it be operated in position, left side state, set up electromagnetic proportion relief valve and solenoid-operated proportional flow speed control valve again, pressure oil enters the high pressure chest of hydraulic cylinder B62, and piston is advanced with injection speed and finished until injection;
Stir solenoid directional control valve A11, make it be operated in right position state, set up electromagnetic proportion relief valve and solenoid-operated proportional flow speed control valve again, pressure oil backs down check valve D84 and enters hydraulic cylinder B62, and the speed return that piston is set up with the solenoid-operated proportional flow speed control valve is until finishing;
Stir solenoid-operated proportional reversal valve B12 simultaneously, C13 and D14, make solenoid directional control valve B12 be operated in the meta state, solenoid directional control valve C132 does at right position state, solenoid directional control valve D14 is operated in position, left side state, again set up electromagnetic proportion relief valve and solenoid-operated proportional flow speed control valve, primer fluid press pump B22, pressure oil enters the oil back chamber of hydraulic cylinder A61, hydraulic oil in the hydraulic cylinder A61 speedup chamber returns fuel tank through solenoid directional control valve C13, hydraulic oil in the hydraulic cylinder A61 high pressure chest is then through the controlled check valve A81 that opens, and returning fuel tank, hydraulic cylinder A61 piston return, clamping system are realized die sinking;
Stir solenoid directional control valve D14, make it be operated in right position state, pressure oil enters hydraulic motor A71, the turntable rotation.
It is same as the prior art that present embodiment is not stated part.
Label declaration: 11 solenoid directional control valve A, 12 solenoid directional control valve B, 13 solenoid directional control valve C, 14 solenoid directional control valve D, 21 hydraulic pump A, 22 hydraulic pump B, 3 pressure regulator valve A, 4 solenoid-operated proportional flow speed control valves, 5 fuel tanks, 61 hydraulic cylinder A, 611 high pressure chest oil-ins, 612 speedup chamber oil-ins, 613 oil back chamber oil return openings, 62 hydraulic cylinder B, 71 hydraulic motor A, 72 hydraulic motor B, 81 check valve A, 82 check valve B, 83 check valve C, 84 check valve D, 9 pressure regulator valve B
Claims (3)
1. turntable type injector hydraulic transmission, comprise the hydraulic cylinder A (61) that controls clamping system, the hydraulic cylinder B (62) of control injecting systems and the hydraulic motor B (72) that controls pre-moulding system, hydraulic cylinder A (61), hydraulic cylinder B (62) and hydraulic motor B (72) be external solenoid directional control valve respectively, solenoid directional control valve is connected with hydraulic pump by a kind of pressure regulator valve A (3), it is characterized in that, pressure regulator valve A (3) is a kind of electromagnetic proportion relief valve, and a kind of solenoid-operated proportional flow speed control valve (4) is in parallel with this electromagnetic proportion relief valve.
2. turntable type injector hydraulic transmission according to claim 1 is characterized in that, also comprises a kind of hydraulic motor A (71) that controls the turntable transposition, and hydraulic motor A (71) is connected with hydraulic pump by solenoid directional control valve.
3. turntable type injector hydraulic transmission according to claim 1, it is characterized in that, also comprise a kind of hydraulic motor A (71) that controls the turntable transposition, have four 3-position 4-way solenoid directional control valves and two hydraulic pumps, the external pressure regulator valve A (3) that is connected in parallel of hydraulic pump A (21), behind the solenoid-operated proportional flow speed control valve (4) more respectively with solenoid directional control valve A (11), solenoid directional control valve B (12) is connected with solenoid directional control valve (13), wherein, other three ports of solenoid directional control valve A (11) respectively with fuel tank (5), advancing of hydraulic cylinder B (62), oil-out connects, other three ports of solenoid directional control valve B (12) respectively with fuel tank (5), hydraulic cylinder A (61) high pressure chest oil-in and hydraulic motor B (72) connect, other three ports of solenoid directional control valve C (13) then respectively with fuel tank (5), the control end of hydraulic cylinder A (61) speedup chamber oil-in and check valve A (81) connects, check valve A (61) one termination fuel tanks (5), the other end is connected with the high pressure chest oil-in of hydraulic cylinder A (61), hydraulic pump B (22) is connected with solenoid directional control valve D (14), other three ports of solenoid directional control valve D (14) respectively with fuel tank (5), hydraulic motor A (71) and hydraulic cylinder A (61) oil back chamber oil return opening connect, and hydraulic cylinder A (61) is a kind of speedup cylinder that is combined by piston cylinder and plunger case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97242815 CN2313734Y (en) | 1997-12-04 | 1997-12-04 | Hydraulic commission of injector with rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97242815 CN2313734Y (en) | 1997-12-04 | 1997-12-04 | Hydraulic commission of injector with rotary table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2313734Y true CN2313734Y (en) | 1999-04-14 |
Family
ID=33951941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97242815 Expired - Fee Related CN2313734Y (en) | 1997-12-04 | 1997-12-04 | Hydraulic commission of injector with rotary table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2313734Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330443C (en) * | 2004-07-23 | 2007-08-08 | 天津市天锻压力机有限公司 | System of hydraulic pressure controlling for fast ocking die of semisolid forming hydraulic pressure machine |
| CN103619557A (en) * | 2011-07-06 | 2014-03-05 | 株式会社丰田自动织机 | Injection apparatus |
-
1997
- 1997-12-04 CN CN 97242815 patent/CN2313734Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330443C (en) * | 2004-07-23 | 2007-08-08 | 天津市天锻压力机有限公司 | System of hydraulic pressure controlling for fast ocking die of semisolid forming hydraulic pressure machine |
| CN103619557A (en) * | 2011-07-06 | 2014-03-05 | 株式会社丰田自动织机 | Injection apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |