CN2763012Y - Integrated control system type end cover of hydraulic cylinder - Google Patents
Integrated control system type end cover of hydraulic cylinder Download PDFInfo
- Publication number
- CN2763012Y CN2763012Y CN 200520038846 CN200520038846U CN2763012Y CN 2763012 Y CN2763012 Y CN 2763012Y CN 200520038846 CN200520038846 CN 200520038846 CN 200520038846 U CN200520038846 U CN 200520038846U CN 2763012 Y CN2763012 Y CN 2763012Y
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- valve
- cylinder
- oil
- end cap
- cylinder end
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Abstract
The utility model relates to an integrated control system type end cover of a hydraulic cylinder, which comprises a multi-stage oil cylinder (11) connected with a movable mould plate of a machine body, wherein one end of the oil cylinder is fixedly connected with a functional valve integrated cylinder end cover (20) which comprises a hydraulic system device. A functional valve in the cylinder end cover (20) integrates and comprises a high-pressure shuttle valve (4), a liquid controlling cartridge inserted valve (9), an electromagnetic directional valve (6), a balance valve (7) and two liquid controlling one-way control valves (5), (6), one end of the cylinder end cover (20) is fixedly connected with a pressure oil tank (10), and the other end of the cylinder end cover (20) is fixedly connected with the multi-stage oil cylinder (11). One side of the cylinder end cover (20) is fixedly connected with a double acting gear pump (2) with a servomotor (1). The utility model adopts a multifunctional valve integrated block, so the connection of hydraulic pipelines is simple and the systematical leaky tache is effectively reduced. The design of the multifunctional valve integrated block adopts the mode of combining the cartridge inserted valve and a plate valve to reduce the pressure loss of flow passages, so the utility model has the advantages of compact figure height, small space occupation and simple installation.
Description
Technical field
The utility model relates to a kind of injection molding machine.Relate in particular to a kind of control system integrated hydraulic cylinder end cap of direct press type injection machine.
Background technology
The hydraulic cylinder end cap is the element of installation and sealed cylinder block and piston rod in hydraulic cylinder.Existing hydraulic injection molding machine cylinder end cap mostly as number of patent application be 89217488.8 " pull bar movable type forming machine mold closing mechanism " as shown in Figure 3, it comprises with regulating template 4, the structure that guiding pull bar 3 and moving die plate 2 move simultaneously, whole mobile oil cylinder 8 is arranged in the described pull bar, link together with supercharging locking cylinder 5 between described adjusting template and the moving die plate, also be provided with opening mold oil cylinder 6 in the described supercharging locking cylinder, a fixedly connected fixed form 9 on guide rail 12, described moving die plate 2 slides on described guide rail by shoes 7, one end of 4 described guiding pull bars is fastened on respectively on the described adjusting template, and described guiding pull bar passes described moving die plate and fixed form.Slippage in the pilot sleeve 10 of described guiding pull bar on described fixed form, open-close type locking flashboard 1 is installed on described fixed form, whole mobile oil cylinder 8 is arranged in described pull bar, one end of the mobile oil cylinder of described integral body is fixed on the bracket sleeve tube 11 that is installed on the described fixed form, press locking cylinder 5 to link together with 4 between described adjusting template and the moving die plate, also be provided with opening mold oil cylinder 6 in the described supercharging locking cylinder.
The portable injection machine mold closing mechanism of this pull bar can solve the shortcoming that original mechanism exists aspect the shifting formwork stroke, can realize the increase of shifting formwork stroke and molar size and do not increase the overall dimensions of mold closing mechanism, can reduce Master Cost, save cost, reduce floor space, improve the complete machine performance.Yet above-mentioned number of patent application is the weak point of 89217488.8 " pull bar portable forming machine mold closing mechanism " is that the end cap of the fixed connection one of the whole mobile oil cylinder 8 in the described pull bar can't be controlled function singleness to the action of oil cylinder.
Summary of the invention
The purpose of this utility model is exactly in order to overcome above-mentioned weak point of the prior art, a kind of compact conformation is provided, control system integrated hydraulic cylinder end cap simple, easy to maintenance, dependable performance is installed.
The purpose of this utility model is by providing a kind of control system integrated hydraulic cylinder end cap with following structure to realize, it comprises the moving platen on the body, the described moving platen oil cylinder that is connected, the fixedly connected cylinder end cap of described oil cylinder one end is controlled the translator of described oil cylinder and the hydraulic system of oil pump in addition.
Described cylinder end cap is the cylinder end cap that comprises the duty valve integrated form of described hydraulic system, an integrated high pressure shuttle, a hydraulic control inserted valve, a solenoid directional control valve, a balanced valve and two hydraulic circuits that the fluid-control one-way control valve is formed of comprising of duty valve in the described cylinder end cap, the fixedly connected pressure oil tank of one end of described cylinder end cap, the other end of described cylinder end cap fixedly connected one is provided with the multi-stage oil cylinder in loculus and big chamber, the fixedly connected band of a side of described cylinder end cap double-direction gearpump servomotor and that be provided with two oil-outs.
Two oil-outs of described high pressure shuttle and described double-direction gearpump are connected in parallel.Described two fluid-control one-way control valve differential concatenations connect, and two ends that it is connected in series and described high pressure shuttle are connected in parallel.Described hydraulic control inserted valve one end is connected with described pressure oil tank, and the other end is connected with described big chamber.Described solenoid directional control valve one end is connected with described hydraulic control inserted valve, and the other end is connected with described oil-out.Described balanced valve one end is connected with described big chamber, and the other end is connected with described oil-out.
Duty valve in the described cylinder end cap is integrated to be connected with the oil circuit of multi-stage oil cylinder.
When motor forward drive double-direction gearpump, pressure oil extrudes from the oil-out of described gear pump, and the reverse opening hydraulic control one-way valve enters the multi-stage oil cylinder loculus, and promoting movably, cylinder body ejects fast.Obtain control oil by shuttle valve simultaneously and open the hydraulic control inserted valve and communicate with pressure oil tank, realization is to the repairing in the big chamber of multi-stage oil cylinder.The oil that oil cylinder is discharged enters the oil-in of gear pump.Put in place when cylinder body movably ejects template fast, solid plate and moving platen are also tight, thereby realize the quick matched moulds process of injection machine in producing.At this moment, oil-out pressure raises, and pressure sensor sends signal, and the solenoid directional control valve action that is triggered is closed the hydraulic control inserted valve and made the balanced valve action, and hydraulic oil enters the large and small chamber of multi-stage oil cylinder simultaneously, realizes the locked mode process in the injection machine production.
Motor reverse drive double-direction gearpump, pressure oil extrudes from another oil-out of described gear pump, and the reverse opening hydraulic control one-way valve enters the rod chamber of multi-stage oil cylinder, promotes movably cylinder fast return.Obtain control oil by shuttle valve simultaneously and open the oil that the hydraulic control inserted valve makes the big chamber of multi-stage oil cylinder and directly get back in the pressure oil tank, the oil of oil cylinder loculus is got back to the oil-out of multi-stage oil cylinder, realizes the die sinking process of the moving platen of injection machine in producing.
In the die sinking and matched moulds process of injection machine, two fluid-control one-way control valves are reverse openings respectively, between two oil-outs of described gear pump owing to leak etc. former thereby outage that produce compensates.
Compared with prior art, advantage of the present utility model is: adopt the multifunction valve integrated package, thereby fluid pressure line connects simply effective link of leaking that reduces 1.; 2. the design of multifunction valve integrated package adopts inserted valve to combine with plate valve, with the loss of minimizing flowpath pressure, and makes that height of contour is compact and saves the space, and install simple.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a hydraulic system principle figure of the present utility model;
Fig. 3 is a kind of prior art constructions schematic diagram;
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Fig. 1, Fig. 2 show the utility model and are applied to embodiment in the direct press type Clamping Device of Injection Moulding Machine.Its main mentality of designing is that high pressure shuttle shown in Figure 24, hydraulic control inserted valve 9, solenoid directional control valve 6, a balanced valve 7 and two fluid-control one-way control valves 5,8 are integrated in the described cylinder end cap 20.Employing is the center with the described cylinder end cap 20 of integrated all control valve members, the fixedly connected spring-loaded plunger formula pressure oil tank 10 of one end, the other end fixedly connected one is provided with the multi-stage oil cylinder 11 in loculus 13 and big chamber 12, the fixedly connected band of a side of described cylinder end cap 20 double-direction gearpump 2 servomotor 1 and that be provided with two oil-outs 31,32.This mentality of designing has been simplified the fluid pressure line connection to greatest extent, has reduced the link of leaking very effectively.Adopt inserted valve to combine in 20 designs of integrated form cylinder end cap, reduce flowpath pressure loss and height of contour compactness with plate valve.
Comprise the moving platen 21 on the body in the present embodiment, the described moving platen multi-stage oil cylinder 11 that is connected, control the band servomotor 1 of described oil cylinder and the hydraulic system of double-direction gearpump 2, a fixedly connected solid plate (not shown) on the described body in addition.
Described multi-stage oil cylinder comprises that one is fixed in the cylinder sleeve 111 and cylinder core 113 in the described cylinder end cap outside, the periphery slide arrangement one of described cylinder core is cylinder body 112 movably, and the internal diameter of the external diameter of described movably cylinder body 112 and described cylinder sleeve 111 is slidingly fitted.One loculus 13 and big chamber 12 respectively are set between described cylinder core and the cylinder body.The outer end of described movably cylinder body connects a moving platen 21.
Described high pressure shuttle 4 is connected in parallel with two oil-outs of described double-direction gearpump.Described two fluid-control one-way control valves, 5,8 differential concatenations connect, and two ends that it is connected in series and described high pressure shuttle are connected in parallel.Described hydraulic control inserted valve 9 one ends are connected with described pressure oil tank, and the other end is connected with described big chamber 12.Described solenoid directional control valve 6 one ends are connected with described hydraulic control inserted valve 9, and the other end is connected with described oil-out 31.Described balanced valve 7 one ends are connected with described big chamber 12, and the other end is connected with described oil-out 31.
Duty valve in the described cylinder end cap is integrated to be connected with the oil circuit of multi-stage oil cylinder.
The course of work that the utility model is applied in the direct press type Clamping Device of Injection Moulding Machine is such: when starting the motor 1 of injection machine; forward drive double-direction gearpump 2; pressure oil extrudes from the oil-out 31 of described gear pump; reverse opening hydraulic control one-way valve 5; enter multi-stage oil cylinder 11 loculuses 13, promoting movably, cylinder body ejects fast.Obtain control oil by shuttle valve 4 simultaneously and open hydraulic control inserted valve 9 and communicate with pressure oil tank 10, realization is to the repairing in the big chamber 12 of multi-stage oil cylinder 11.The oil that oil cylinder 11 is discharged enters the oil-in 32 of gear pump.Put in place when cylinder body movably ejects template 20 fast, solid plate and moving platen are also tight, thereby realize the quick matched moulds process of injection machine in producing.
At this moment, oil-out 31 pressure raise, and pressure sensor sends signal, and solenoid directional control valve 6 action that is triggered is closed hydraulic control inserted valve 9 and made balanced valve 7 actions, and hydraulic oil enters the large and small chamber of multi-stage oil cylinder 11 simultaneously, realizes the locked mode process in the injection machine production.
When injection machine is finished an injection moulding, motor 1 reverse drive double-direction gearpump 2, pressure oil extrudes from the oil-out 32 of described gear pump, and reverse opening hydraulic control one-way valve 5 enters the rod chamber of multi-stage oil cylinder 11, promotes movably cylinder body 15 fast returns.Obtain control oil by shuttle valve 4 simultaneously and open hydraulic control inserted valve 9 oil in multi-stage oil cylinder 11 big chambeies is directly got back in the pressure oil tank 10, the oil of oil cylinder 11 loculuses is got back to the oil-out 31 of multi-stage oil cylinder 11, realizes the die sinking process of the moving platen in the injection machine production.
In the die sinking and matched moulds process of injection machine, two fluid-control one-way control valves 5,8 are reverse openings respectively, between the oil-out 31 and 32 of described gear pump owing to leak etc. former thereby outage that produce compensates.
Claims (7)
1. control system integrated hydraulic cylinder end cap, comprise the moving platen on the body, the described moving platen oil cylinder that is connected, described oil cylinder one end is fixedly connected-cylinder end cap, control the translator of described oil cylinder and the hydraulic system of oil pump in addition, it is characterized in that: described cylinder end cap is the cylinder end cap (20) that comprises the duty valve integrated form of described hydraulic system, the integrated high pressure shuttle (4) that comprises of duty valve in the described cylinder end cap (20), one hydraulic control inserted valve (9), one solenoid directional control valve (6), one balanced valve (7) and two fluid-control one-way control valves (5), (8), the fixedly connected pressure oil tank of one end of described cylinder end cap (20) (10), the other end fixedly connected one of described cylinder end cap (20) is provided with the multi-stage oil cylinder (11) in loculus (13) and big chamber (12), the fixedly connected band servomotor (1) of a side of described cylinder end cap (20) and be provided with two oil-outs (31), (32) double-direction gearpump (2).
2. control system integrated hydraulic cylinder end cap according to claim 1 is characterized in that: described high pressure shuttle (4) is connected in parallel with two oil-outs of described double-direction gearpump.
3. control system integrated hydraulic cylinder end cap according to claim 1 is characterized in that: described two fluid-control one-way control valves (5), (8) differential concatenation connect, and two ends that it is connected in series and described high pressure shuttle (4) are connected in parallel.
4. control system integrated hydraulic cylinder end cap according to claim 1 is characterized in that: described hydraulic control inserted valve (9) one ends are connected with described pressure oil tank (10), and the other end is connected with described big chamber (12).
5. control system integrated hydraulic cylinder end cap according to claim 1 is characterized in that: described solenoid directional control valve (6) one ends are connected with described hydraulic control inserted valve (9), and the other end is connected with described oil-out (31).
6. control system integrated hydraulic cylinder end cap according to claim 1 is characterized in that: described balanced valve (7) one ends are connected with described big chamber (12), and the other end is connected with described oil-out (31).
7. control system integrated hydraulic cylinder end cap according to claim 1 is characterized in that: the duty valve in the described cylinder end cap (20) is integrated to be connected with the oil circuit of multi-stage oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520038846 CN2763012Y (en) | 2005-01-10 | 2005-01-10 | Integrated control system type end cover of hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520038846 CN2763012Y (en) | 2005-01-10 | 2005-01-10 | Integrated control system type end cover of hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2763012Y true CN2763012Y (en) | 2006-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520038846 Expired - Fee Related CN2763012Y (en) | 2005-01-10 | 2005-01-10 | Integrated control system type end cover of hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2763012Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465938A (en) * | 2010-11-05 | 2012-05-23 | 江苏海陵机械有限公司 | Multi-stage cylinder type electro-hydraulic push rod |
| CN102814956A (en) * | 2012-06-11 | 2012-12-12 | 无锡天惠塑机有限公司 | Injection machine injection integration device |
| CN103758818A (en) * | 2014-01-20 | 2014-04-30 | 山东弘发兴凯实业有限公司 | Multistage sleeve-type reverse-sequence telescopic hydraulic cylinder |
-
2005
- 2005-01-10 CN CN 200520038846 patent/CN2763012Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465938A (en) * | 2010-11-05 | 2012-05-23 | 江苏海陵机械有限公司 | Multi-stage cylinder type electro-hydraulic push rod |
| CN102814956A (en) * | 2012-06-11 | 2012-12-12 | 无锡天惠塑机有限公司 | Injection machine injection integration device |
| CN102814956B (en) * | 2012-06-11 | 2014-08-20 | 无锡天惠塑机有限公司 | Injection machine injection integration device |
| CN103758818A (en) * | 2014-01-20 | 2014-04-30 | 山东弘发兴凯实业有限公司 | Multistage sleeve-type reverse-sequence telescopic hydraulic cylinder |
| CN103758818B (en) * | 2014-01-20 | 2017-12-22 | 山东弘发兴凯实业有限公司 | A kind of multistage sleeve-type reverse-sequence telescopic hydraulic cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060308 |