CN203371756U - Hydraulic control system of rotary table of clear double-colored injection molding machine - Google Patents
Hydraulic control system of rotary table of clear double-colored injection molding machine Download PDFInfo
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- CN203371756U CN203371756U CN201320409741.6U CN201320409741U CN203371756U CN 203371756 U CN203371756 U CN 203371756U CN 201320409741 U CN201320409741 U CN 201320409741U CN 203371756 U CN203371756 U CN 203371756U
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- control valve
- flow control
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Abstract
The utility model relates to a hydraulic control system of a rotary table of a clear double-colored injection molding machine. The hydraulic control system comprises a bidirectional hydraulic motor, wherein the two ends of the bidirectional hydraulic motor are connected with a port O1 and a port O2 of a solenoid directional valve in parallel; a port O3 and a port O4 of the solenoid directional valve are connected with a port B and a port A of a proportion flow control valve respectively; a port P of the proportion flow control valve is connected with a high-pressure oil path; a port T of the proportion flow control valve is connected with an oil tank; the proportion flow control valve is provided with a proportion electromagnet for controlling the proportion flow control valve. Compared with the prior art, proportion flow control can be carried out on inlet and returned oil when the bidirectional hydraulic motor is rotated forwards and backwards; the hydraulic control system of the rotary table of the clear double-colored injection molding machine is simple in structure, convenient to control and low in realization cost.
Description
Technical field
The utility model relates to the hydraulic control system of double coloured plastic injection machine clearly, relates in particular to double coloured plastic injection machine rotating disk hydraulic control system clearly.
Background technology
Development along with the injection machine technology, the double-shot moulding technology is more and more extensive in the application in injection machine field, existing double coloured plastic injection machine is divided into blending double-color injection machine and clear double coloured plastic injection machine, wherein clear double coloured plastic injection machine arranges auxiliary template on moving platen, the core rod of one secondary two die cavities is installed on auxiliary template, rotate the rotation that realizes core rod by rotating shaft, on moving platen, rotating disk is set simultaneously, one secondary or two width moulds are installed on rotating disk, realize the change of mold cavity by the rotation of driven by rotary disc mould, the main clearly demarcated clear double-colored goods of production color limit.
Need to do 180 ° of rotations in the rotating disk course of action, the elemental motion process is as follows: drive hydraulic motor to rotate around turntable shaft by the engaged transmission drive rotating disk of gear, by the first location of the automatically controlled and limited block of approach switch, making rotating disk rotate to 180 ° of positions (ultimate position) from 0 ° of position (initial position) stops, again by alignment pin, positioning sleeve is accurately located, and be about to put in place and need to be slowed down at turntable rotation, make the speed of rotating disk drop to gradually 0, but due to rotating disk and die quality larger, therefore in motion process, inertia is larger, hydraulic system is to carry out throttling to the oil inlet and oil return of motor controlling the hydraulic motor deceleration simultaneously, and restriction will reduce gradually, thereby reach the effect of even deceleration.Make like this throttling arrangement structure in hydraulic control system more complicated, while making the rotating disk action, the hydraulic control process is also more complicated, and can improve the cost of realizing of whole rotating disk hydraulic control system.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of for prior art can be controlled the oil inlet and oil return flow of motor simultaneously, and simple in structure, control clear double coloured plastic injection machine rotating disk hydraulic control system easily.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of clear double coloured plastic injection machine rotating disk hydraulic control system is characterized in that: comprise a two-way hydraulic motor, the two ends of this two-way hydraulic motor solenoid directional control valve interface in parallel O
1with interface O
2, the interface O of this solenoid directional control valve
3with interface O
4with the interface B of an operated proportional flow control valve, with interface A, be connected respectively, and the interface P of this operated proportional flow control valve connects high-pressure oil passage, interface T connected tank, be provided with a proportion electro-magnet that is used for controlling described operated proportional flow control valve on wherein said operated proportional flow control valve.
Described operated proportional flow control valve can have multiple way of realization, and as preferably, described operated proportional flow control valve is two-position four-way solenoid valve, comprises interface A, interface B, interface P and interface T, has first flow and the second runner.
Further, on described first flow and the second runner, be provided with proportional throttle valve, can be controlled the flow of the oil inlet and oil return of two-way hydraulic motor so simultaneously.
Described solenoid directional control valve can have multiple way of realization, as preferably, described solenoid directional control valve is 3-position 4-way O type reversal valve, and 3-position 4-way O type reversal valve commutation precision is high, can effectively realize the conversion of two-way hydraulic motor positive and negative rotation direction, thereby realize positive and negative 180 ° of rotations of rotating disk.
Compared with prior art, the utility model has the advantage of: the hydraulic control system in the utility model is controlled the positive and negative rotation of two-way hydraulic motor by O type solenoid directional control valve, by oil inlet and oil return flow that control by single proportion electro-magnet, that operated proportional flow control valve that have dual channel is controlled motor, adopt the flow valve of digital ratio equation electromagnet setting can realize the dual control system to the motor oil inlet and oil return, thereby realize the proportion control to the rotating disk rotating, therefore this utility model is simple in structure, it is convenient to control, and realizes that cost is low.
The accompanying drawing explanation
Fig. 1 is please double coloured plastic injection machine rotating disk hydraulic control system structure principle chart in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Figure 1, a kind of clear double coloured plastic injection machine rotating disk hydraulic control system, comprise two-way hydraulic motor 1, the two ends of two-way hydraulic motor 1 solenoid directional control valve 2 interface O in parallel
121 and interface O
2after 22, the interface O of solenoid directional control valve 2
323 and interface O
424 are connected respectively with interface A71 with the interface B72 of an operated proportional flow control valve 7, and the interface P73 of operated proportional flow control valve 7 connects high-pressure oil passage, interface T74 connected tank 10.Wherein, solenoid directional control valve 2 is 3-position 4-way O type reversal valve, comprises 3 working positions, four interface: O
121, O
222, O
323, O
424, and interface O
121, O
222, O
323, O
424 is not connected, four inner flow passages: runner 3, runner 4, runner 5, runner 6, control assembly a25 and control assembly b26; Operated proportional flow control valve 7 is two-position four-way solenoid valve, comprise 2 working positions, four interface: A71, B72, P73, T74, two inner flow passages: first flow 8, the second runner 9, be separately positioned on 81,71, proportion electro-magnet 75 of flow divider and a back-moving spring 76 on these two inner flow passages.
When proportion electro-magnet 75 energising, hydraulic oil enters operated proportional flow control valve 7 by interface P73, enter pipeline 11 through first flow 8, interface B72, wherein hydraulic oil flow divider 81 through proportion electro-magnet 75 and first flow 8 in operated proportional flow control valve 7 carries out flow-control.Then hydraulic oil enters solenoid electric valve 2, and when the control assembly a25 in solenoid electric valve 2 switches on, hydraulic oil is by interface O
323 through runner 3, interface O
121 enter the pipeline be connected with two-way hydraulic motor 1, it are rotated in the forward after entering two-way hydraulic motor 1, and oil return is by interface O
222 enter solenoid directional control valve 2, through runner 4, interface O
424 enter pipeline 12, then by interface A71, enter operated proportional flow control valve 7, through the second runner 9, interface T74, are back to fuel tank 10, and wherein oil return flow divider 91 through proportion electro-magnet 75 and the second runner 9 in operated proportional flow control valve 7 carries out flow-control; When the control assembly b26 in solenoid electric valve 2 switches on, hydraulic oil is by interface O
323 through runner 6, interface O
222 enter the pipeline be connected with two-way hydraulic motor 1, it are rotated in the forward after entering two-way hydraulic motor 1, and oil return is by interface O
121 enter solenoid directional control valve 2, through runner 5, interface O
424 enter pipeline 12, then by interface A71, enter operated proportional flow control valve 7, through the second runner 9, interface T74, are back to fuel tank 10, and wherein oil return flow divider 91 through proportion electro-magnet 75 and the second runner 9 in operated proportional flow control valve 7 carries out flow-control.This hydraulic control system can all can be carried out flow-control to its oil inlet and oil return when 1 rotating of bidirectional hydraulic oil pump like this, thereby has realized the proportion control to 180 ° of rotatings of rotating disk.
Claims (4)
1. a clear double coloured plastic injection machine rotating disk hydraulic control system, is characterized in that: comprise a two-way hydraulic motor, the two ends of this two-way hydraulic motor solenoid directional control valve interface in parallel O
1with interface O
2, the interface O of this solenoid directional control valve
3with interface O
4with the interface B of an operated proportional flow control valve, with interface A, be connected respectively, and the interface P of this operated proportional flow control valve connects high-pressure oil passage, interface T connected tank, be provided with a proportion electro-magnet that is used for controlling described operated proportional flow control valve on wherein said operated proportional flow control valve.
2. clear double coloured plastic injection machine rotating disk hydraulic control system according to claim 1, it is characterized in that: described operated proportional flow control valve is two-position four-way solenoid valve, has first flow and the second runner.
3. clear double coloured plastic injection machine rotating disk hydraulic control system according to claim 2, is characterized in that: on described first flow and the second runner, be provided with proportional throttle valve.
4. according to the arbitrary described clear double coloured plastic injection machine rotating disk hydraulic control system of claim 1～3, it is characterized in that: described solenoid directional control valve is 3-position 4-way O type reversal valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320409741.6U CN203371756U (en) | 2013-07-10 | 2013-07-10 | Hydraulic control system of rotary table of clear double-colored injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320409741.6U CN203371756U (en) | 2013-07-10 | 2013-07-10 | Hydraulic control system of rotary table of clear double-colored injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203371756U true CN203371756U (en) | 2014-01-01 |
Family
ID=49834307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320409741.6U Expired - Fee Related CN203371756U (en) | 2013-07-10 | 2013-07-10 | Hydraulic control system of rotary table of clear double-colored injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203371756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122156A (en) * | 2016-08-08 | 2016-11-16 | 浙江台意德塑机制造有限公司 | Differential injection module on injection machine |
-
2013
- 2013-07-10 CN CN201320409741.6U patent/CN203371756U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122156A (en) * | 2016-08-08 | 2016-11-16 | 浙江台意德塑机制造有限公司 | Differential injection module on injection machine |
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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 | ||
| CP02 | Change in the address of a patent holder |
Address after: 315806 Zhejiang city of Ningbo province Beilun Daqi Yongjiang Road No. 36 building 6, No. 1 Patentee after: Ningbo Haixiong Plastic Machinery Co., Ltd. Address before: 315806 Zhejiang Province, Ningbo city Beilun District Yongjiang Road No. 36 Patentee before: Ningbo Haixiong Plastic Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20210710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |