CN104690932A - Rubber corner jointing machine hydraulic control system - Google Patents
Rubber corner jointing machine hydraulic control system Download PDFInfo
- Publication number
- CN104690932A CN104690932A CN201510044397.9A CN201510044397A CN104690932A CN 104690932 A CN104690932 A CN 104690932A CN 201510044397 A CN201510044397 A CN 201510044397A CN 104690932 A CN104690932 A CN 104690932A
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- CN
- China
- Prior art keywords
- oil
- connects
- way
- valve
- solenoid directional
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Classifications
-
- 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
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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
- 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
- B29C2945/76494—Controlled parameter
- B29C2945/76498—Pressure
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a rubber corner jointing machine hydraulic control system which comprises a hydraulic pump, a motor, an overflow valve, an oil tank, a mode locking oil cylinder and an injection molding oil cylinder, wherein a rotor of the motor is connected with the hydraulic pump, the oil inlet of the hydraulic pump is connected with the oil tank, the oil outlet of the hydraulic pump is connected to the overflow valve and the oil inlet of a three-position four-way M-type electromagnetic directional valve; the oil outlet of the overflow valve is connected to the oil tank; the oil return hole of the three-position four-passage M-type electromagnetic directional valve is connected to the oil tank; one work hole of the three-position four-passage M-type electromagnetic directional valve is connected to a rod cavity of the mode locking oil cylinder, and the other work hole thereof is connected to a rodless cavity of the mode locking oil tank.
Description
Technical field
The present invention relates to a kind of hydraulic control system, particularly a kind of rubber connects angle machine hydraulic control system.
Background technology
At present, rubber connects the groove that angle technology is widely used in automotive window, and when turning appears in the position that rubber groove is installed, rubber groove also will have corresponding turning, and this turning completes by rubber groove is carried out connecing angle.When rubber groove connects angle, two rubber weather strips that first will connect angle put into the relevant position connecing angle mold connecing angle machine, then Mode-locking oil cylinder is by mold-locked, material feeding oil cylinder by sizing material high-pressure injection in mold cavity, sizing material in mold cavity is through pressurize, heating, sulfuration, sizing, last opening mold, is separated cope match-plate pattern with lower bolster, takes out the rubber weather strip connecting angle.Tradition connects the problem that angle machine often occurs because automatic pressure-controlledly not causing analysis of hydraulic oil overheat in operation, although adopt air-cooled technology, but still does not reach ideal temperature.And because of can not automatic speed regulation in shot process, deformation of products when causing that the excessive or speed of pressure is unbalance causes groove to connect angle, percent defective increases.
Summary of the invention
The object of the invention is the above-mentioned weak point in order to overcome prior art, and provide one connecing angle course of work hydraulic fluid temperature normally, in shot process, the groove of material feeding pressure controllable connects angle machine hydraulic control system.
For achieving the above object, technical scheme of the present invention is: a kind of rubber connects angle machine hydraulic control system, it comprises hydraulic pump, motor, overflow valve, fuel tank, Mode-locking oil cylinder, injection moulding oil cylinder,: the rotor of the first motor is connected with the first hydraulic pump, the oil-in of the first hydraulic pump connects fuel tank, and the oil-out of the first hydraulic pump connects the oil-in of the first overflow valve and the first 3-position 4-way M type solenoid directional control valve respectively; The oil-out connected tank of the first overflow valve; The oil return opening of the first 3-position 4-way M type solenoid directional control valve connects fuel tank; First working hole of the first 3-position 4-way M type solenoid directional control valve connects Mode-locking oil cylinder rod chamber, and the second working hole of the first 3-position 4-way M type solenoid directional control valve connects Mode-locking oil cylinder rodless cavity; The rotor of the second motor is connected with the second hydraulic pump, and the oil-in of the second hydraulic pump connects fuel tank, and the oil-out of the second hydraulic pump connects the oil-in of the second overflow valve and the second 3-position 4-way M type solenoid directional control valve respectively; The oil-out connected tank of the second overflow valve; The oil return opening of the second 3-position 4-way M type solenoid directional control valve connects fuel tank); First working hole of the second 3-position 4-way M type solenoid directional control valve connects injection moulding cylinder rod chamber, and the second working hole of the second 3-position 4-way K type solenoid directional control valve connects injection moulding oil cylinder rodless cavity.
The further technical scheme of the present invention is: the first working hole of the first described 3-position 4-way M type solenoid directional control valve connects bidirectional hydraulic lock first oil-in, bidirectional hydraulic lock first oil-out connects Mode-locking oil cylinder rod chamber, second working hole of the first 3-position 4-way M type solenoid directional control valve connects bidirectional hydraulic lock second oil-in, and bidirectional hydraulic lock second oil-out connects Mode-locking oil cylinder rodless cavity.
The further technical scheme of the present invention is: the second described 3-position 4-way M type solenoid directional control valve the second working hole connect hydraulic control one-way valve, another termination injection moulding oil cylinder rodless cavity of hydraulic control one-way valve, the hydraulic control mouth of hydraulic control one-way valve connects injection moulding cylinder rod chamber.
The further technical scheme of the present invention is: described second 3-position 4-way M type solenoid directional control valve the first working hole connect adjustable relief valve, another termination injection moulding cylinder rod chamber of adjustable relief valve.
The beneficial effect of hinge structure of the present invention is: can locked mode be made owing to adopting 3-position 4-way K type solenoid directional control valve and one-way hydraulic valve or/and injection moulding time, pump hydraulic oil by the direct off-load of oil return opening, thus reduce whole system oil temperature; Injection moulding oil cylinder is connected to adjustable throttling, the pressure adjustable of injection moulding oil cylinder; Hydraulic oil separately controls, and system is more stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Reference numeral: 1, Mode-locking oil cylinder, 2, injection moulding oil cylinder, 11, bidirectional hydraulic lock, 13, the first 3-position 4-way M type solenoid directional control valve, the 14, first overflow valve, the 15, first motor, 16, fuel tank, 17, the first hydraulic pump, 21, hydraulic control one-way valve, 22, adjustable relief valve, 23, the second 3-position 4-way M type solenoid directional control valve, 24, the second overflow valve, the 25, second motor, the 27, second hydraulic pump.
Detailed description of the invention
Below in conjunction with figure and detailed description of the invention, detailed construction of the present invention is further described.
As shown in Figure 1, one connects angle machine hydraulic control system, it comprises the first hydraulic pump 17, second hydraulic pump 27, first motor 15, second motor 25, first overflow valve 14, second overflow valve 24, fuel tank 16, Mode-locking oil cylinder 1, injection moulding oil cylinder 2, the rotor of the first motor 15 is connected with the first hydraulic pump 17, the oil-out of oil-in connection fuel tank 16, first hydraulic pump 17 of the first hydraulic pump 17 connects the oil-in of the first overflow valve 14 and the first 3-position 4-way M type solenoid directional control valve 13 respectively; The oil-out connected tank 16 of the first overflow valve 14; The oil return opening of the first 3-position 4-way M type solenoid directional control valve 13 connects fuel tank 16; First working hole of the first 3-position 4-way M type solenoid directional control valve 13 connects bidirectional hydraulic lock 11 first oil-in, bidirectional hydraulic lock 11 first oil-out connects Mode-locking oil cylinder 1 rod chamber, second working hole of the first 3-position 4-way M type solenoid directional control valve 13 connects bidirectional hydraulic lock 11 second oil-in, and bidirectional hydraulic lock 11 second oil-out connects Mode-locking oil cylinder 1 rodless cavity; The rotor of the second motor 25 is connected with the second hydraulic pump 27, and the oil-out of oil-in connection fuel tank 16, second hydraulic pump 27 of the second hydraulic pump 27 connects the oil-in of the second overflow valve 24 and the second 3-position 4-way M type solenoid directional control valve 23 respectively; The oil-out connected tank 16 of the second overflow valve 24; The oil return opening of the second 3-position 4-way M type solenoid directional control valve 23 connects fuel tank 16; First working hole of the second 3-position 4-way M type solenoid directional control valve 23 connects adjustable relief valve 22, another termination injection moulding oil cylinder 2 rod chamber of adjustable relief valve 22; Second working hole of the second 3-position 4-way K type solenoid directional control valve (23) connects hydraulic control one-way valve 21, and another termination injection moulding oil cylinder 2 rodless cavity of hydraulic control one-way valve 21, the hydraulic control mouth of hydraulic control one-way valve 21 connects injection moulding oil cylinder 2 rod chamber.
More than show and describe general principle of the present invention and principal character; the technical staff of the industry should understand; above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (4)
1. a rubber connects angle machine hydraulic control system, it comprises hydraulic pump (17,27), motor (15,25), overflow valve (14,24), fuel tank (16), Mode-locking oil cylinder (1), injection moulding oil cylinder (2), it is characterized in that: the rotor of the first motor (15) is connected with the first hydraulic pump (17), the oil-in of the first hydraulic pump (17) connects fuel tank (16), and the oil-out of the first hydraulic pump (17) connects the oil-in of the first overflow valve (14) and the first 3-position 4-way M type solenoid directional control valve (13) respectively; The oil-out connected tank (16) of the first overflow valve (14); The oil return opening of the first 3-position 4-way M type solenoid directional control valve (13) connects fuel tank (16); First working hole of the first 3-position 4-way M type solenoid directional control valve (13) connects Mode-locking oil cylinder (1) rod chamber, and the second working hole of the first 3-position 4-way M type solenoid directional control valve (13) connects Mode-locking oil cylinder (1) rodless cavity; The rotor of the second motor (25) is connected with the second hydraulic pump (27), the oil-in of the second hydraulic pump (27) connects fuel tank (16), and the oil-out of the second hydraulic pump (27) connects the oil-in of the second overflow valve (24) and the second 3-position 4-way M type solenoid directional control valve (23) respectively; The oil-out connected tank (16) of the second overflow valve (24); The oil return opening of the second 3-position 4-way M type solenoid directional control valve (23) connects fuel tank (16); First working hole of the second 3-position 4-way M type solenoid directional control valve (23) connects injection moulding oil cylinder (2) rod chamber, and the second working hole of the second 3-position 4-way K type solenoid directional control valve (23) connects injection moulding oil cylinder (2) rodless cavity.
2. a kind of rubber according to claim 1 connects angle machine hydraulic control system, it is characterized in that: the first working hole of the first described 3-position 4-way M type solenoid directional control valve (13) connects bidirectional hydraulic lock (11) first oil-in, bidirectional hydraulic lock (11) first oil-out connects Mode-locking oil cylinder (1) rod chamber, second working hole of the first 3-position 4-way M type solenoid directional control valve (13) connects bidirectional hydraulic lock (11) second oil-in, and bidirectional hydraulic lock (11) second oil-out connects Mode-locking oil cylinder (1) rodless cavity.
3. one according to claim 1 connects angle machine hydraulic control system, it is characterized in that: the second described 3-position 4-way M type solenoid directional control valve (23) the second working hole connect hydraulic control one-way valve (21), another termination injection moulding oil cylinder (2) rodless cavity of hydraulic control one-way valve (21), the hydraulic control mouth of hydraulic control one-way valve (21) connects injection moulding oil cylinder (2) rod chamber.
4. one according to claim 1 connects angle machine hydraulic control system, it is characterized in that: described second 3-position 4-way M type solenoid directional control valve (23) the first working hole connect adjustable relief valve (22), another termination injection moulding oil cylinder (2) rod chamber of adjustable relief valve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510044397.9A CN104690932A (en) | 2015-01-29 | 2015-01-29 | Rubber corner jointing machine hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510044397.9A CN104690932A (en) | 2015-01-29 | 2015-01-29 | Rubber corner jointing machine hydraulic control system |
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| Publication Number | Publication Date |
|---|---|
| CN104690932A true CN104690932A (en) | 2015-06-10 |
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ID=53338671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510044397.9A Pending CN104690932A (en) | 2015-01-29 | 2015-01-29 | Rubber corner jointing machine hydraulic control system |
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| Country | Link |
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| CN (1) | CN104690932A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1110697A (en) * | 1997-06-24 | 1999-01-19 | Toshiba Mach Co Ltd | Method for raising hydraulic oil temperature in overhead tank |
| CN202106527U (en) * | 2011-06-03 | 2012-01-11 | 广州博创机械有限公司 | Hydraulic return circuit system of micropore foaming injection |
| CN104029366A (en) * | 2014-06-12 | 2014-09-10 | 浙江大学 | Energy-saving hydraulic control device of hydraulic injection molding machine |
| CN104669575A (en) * | 2014-12-18 | 2015-06-03 | 成都佳美嘉科技有限公司 | Hydraulic control system for rubber corner connecting machine |
-
2015
- 2015-01-29 CN CN201510044397.9A patent/CN104690932A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1110697A (en) * | 1997-06-24 | 1999-01-19 | Toshiba Mach Co Ltd | Method for raising hydraulic oil temperature in overhead tank |
| CN202106527U (en) * | 2011-06-03 | 2012-01-11 | 广州博创机械有限公司 | Hydraulic return circuit system of micropore foaming injection |
| CN104029366A (en) * | 2014-06-12 | 2014-09-10 | 浙江大学 | Energy-saving hydraulic control device of hydraulic injection molding machine |
| CN104669575A (en) * | 2014-12-18 | 2015-06-03 | 成都佳美嘉科技有限公司 | Hydraulic control system for rubber corner connecting machine |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150610 |
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